/* roulang page: index */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-light: #EFF4FF;
            --accent-green: #10B981;
            --accent-orange: #F97316;
            --accent-red: #EF4444;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A2440;
            --bg-dark-secondary: #141D33;
            --text-main: #1E293B;
            --text-secondary: #5B6B7F;
            --text-light: #94A3B8;
            --text-on-dark: #E2E8F0;
            --text-on-dark-muted: #94A3B8;
            --border: #E3EAF3;
            --border-light: #EDF2F8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(31, 52, 102, 0.06);
            --shadow-md: 0 8px 24px rgba(31, 52, 102, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 52, 102, 0.14);
            --shadow-hover: 0 18px 40px rgba(31, 52, 102, 0.16);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --nav-brand-height: 64px;
            --nav-channel-height: 48px;
            --section-padding-desktop: 72px;
            --section-padding-tablet: 48px;
            --section-padding-mobile: 36px;
            --container-max-width: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-max-width);
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-fluid {
            padding-left: 0;
            padding-right: 0;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(31, 52, 102, 0.05);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-brand-height);
            padding: 8px 0;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--text-main);
        }

        .brand-logo .logo-text {
            background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 6px 12px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--text-main);
            width: 100%;
            padding: 4px 0;
        }

        .search-box input::placeholder {
            color: var(--text-light);
        }

        .search-box .search-icon {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .btn-rss {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 7px 16px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            color: var(--text-secondary);
            font-size: 0.85rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-rss:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        .channel-row {
            display: flex;
            align-items: center;
            min-height: var(--nav-channel-height);
            gap: 4px;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 4px;
        }

        .channel-row::-webkit-scrollbar {
            height: 3px;
        }

        .channel-row::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 999px;
        }

        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            cursor: pointer;
            transition: all var(--transition-fast);
            position: relative;
            flex-shrink: 0;
        }

        .channel-link::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 0;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
            transition: width var(--transition-base);
        }

        .channel-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .channel-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .channel-link.active::after {
            width: 60%;
        }

        /* 移动端汉堡按钮 */
        .navbar-toggler-custom {
            display: none;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            cursor: pointer;
            color: var(--text-main);
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        @media (max-width: 991.98px) {
            .navbar-toggler-custom {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .channel-row {
                gap: 2px;
                padding-bottom: 8px;
            }
            .channel-link {
                padding: 8px 12px;
                font-size: 0.85rem;
            }
            .search-box {
                min-width: 140px;
            }
        }

        @media (max-width: 575.98px) {
            .brand-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 12px 0;
            }
            .brand-actions {
                width: 100%;
                justify-content: space-between;
            }
            .search-box {
                flex: 1;
                min-width: 0;
            }
            .channel-row {
                padding-bottom: 6px;
            }
            .channel-link {
                padding: 7px 10px;
                font-size: 0.8rem;
            }
        }

        /* ========== Hero 白皮书获客风格 ========== */
        .hero-section {
            position: relative;
            background: var(--bg-white);
            padding: 56px 0 64px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 5px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent-green) 50%, var(--accent-orange) 100%);
        }

        .hero-bg-pattern {
            position: absolute;
            top: 0;
            right: 0;
            width: 480px;
            height: 480px;
            background: radial-gradient(circle, rgba(37, 99, 235, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-layout {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-cover-wrapper {
            background: var(--bg-dark);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
            aspect-ratio: 3/4;
            max-width: 380px;
            margin: 0 auto;
        }

        .hero-cover-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.92;
        }

        .hero-cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26, 36, 64, 0.15) 0%, rgba(26, 36, 64, 0.65) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
        }

        .hero-cover-overlay .cover-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 999px;
            width: fit-content;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .hero-cover-overlay .cover-title {
            color: #fff;
            font-size: 1.25rem;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 6px;
        }

        .hero-cover-overlay .cover-sub {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.82rem;
            line-height: 1.5;
        }

        .hero-content {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            width: fit-content;
            letter-spacing: 0.5px;
        }

        .hero-title {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin: 0;
            letter-spacing: -0.5px;
        }

        .hero-title .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero-desc {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.85;
            max-width: 580px;
            margin: 0;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            margin-top: 4px;
        }

        .hero-meta-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            margin-top: 6px;
            padding-top: 16px;
            border-top: 1px solid var(--border-light);
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .hero-meta-item .meta-icon {
            color: var(--primary);
            font-size: 1rem;
            width: 20px;
            text-align: center;
        }

        @media (max-width: 991.98px) {
            .hero-layout {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-cover-wrapper {
                max-width: 300px;
                aspect-ratio: 16/10;
            }
            .hero-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 575.98px) {
            .hero-section {
                padding: 36px 0 44px;
            }
            .hero-title {
                font-size: 1.5rem;
                line-height: 1.4;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .hero-cover-wrapper {
                max-width: 100%;
                aspect-ratio: 16/9;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-meta-list {
                gap: 8px 14px;
                font-size: 0.78rem;
            }
        }

        /* ========== 通用按钮 ========== */
        .btn {
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 10px 22px;
            transition: all var(--transition-base);
            cursor: pointer;
            letter-spacing: 0.3px;
        }

        .btn-primary-custom {
            background: var(--primary);
            border: 1px solid var(--primary);
            color: #fff;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(37, 99, 235, 0.3);
        }

        .btn-primary-custom:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-outline-custom {
            background: var(--bg-white);
            border: 1.5px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary-dark);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(37, 99, 235, 0.15);
        }

        .btn-ghost-custom {
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-secondary);
        }

        .btn-ghost-custom:hover {
            background: var(--bg-page);
            border-color: var(--text-light);
            color: var(--text-main);
        }

        .btn-cta-large {
            padding: 14px 32px;
            font-size: 1.05rem;
            border-radius: var(--radius-md);
        }

        .btn-sm-custom {
            padding: 6px 14px;
            font-size: 0.82rem;
            border-radius: var(--radius-sm);
        }

        /* ========== 通用 Section ========== */
        .section-padding {
            padding: var(--section-padding-desktop) 0;
        }

        .section-padding-compact {
            padding: 48px 0;
        }

        .section-header {
            margin-bottom: 40px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 12px;
        }

        .section-desc {
            font-size: 0.98rem;
            color: var(--text-secondary);
            line-height: 1.8;
            max-width: 680px;
        }

        .section-bg-white {
            background: var(--bg-white);
        }

        .section-bg-dark {
            background: var(--bg-dark);
        }

        .section-bg-dark .section-title {
            color: #fff;
        }

        .section-bg-dark .section-desc {
            color: var(--text-on-dark-muted);
        }

        .section-bg-dark .section-tag {
            color: #60A5FA;
        }

        @media (max-width: 767.98px) {
            .section-padding {
                padding: var(--section-padding-mobile) 0;
            }
            .section-padding-compact {
                padding: 32px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
        }

        /* ========== 指标看板 ========== */
        .metrics-section {
            background: var(--bg-page);
            padding: 48px 0;
        }

        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            border-radius: 4px 4px 0 0;
        }

        .metric-card.metric-up::before {
            background: var(--accent-green);
        }

        .metric-card.metric-down::before {
            background: var(--accent-orange);
        }

        .metric-card.metric-neutral::before {
            background: var(--primary);
        }

        .metric-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .metric-label {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-light);
            text-transform: uppercase;
            letter-spacing: 0.8px;
            margin-bottom: 8px;
        }

        .metric-value {
            font-family: var(--font-mono);
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 6px;
            font-variant-numeric: tabular-nums;
        }

        .metric-value .unit {
            font-size: 1rem;
            font-weight: 500;
            color: var(--text-secondary);
            letter-spacing: 0;
            margin-left: 4px;
        }

        .metric-change {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 3px 8px;
            border-radius: 999px;
            font-family: var(--font-mono);
        }

        .metric-change.up {
            background: rgba(16, 185, 129, 0.1);
            color: var(--accent-green);
        }

        .metric-change.down {
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent-orange);
        }

        .metric-change.neutral {
            background: rgba(37, 99, 235, 0.08);
            color: var(--primary);
        }

        @media (max-width: 1199.98px) {
            .metrics-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 767.98px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .metric-value {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 424.98px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 服务矩阵 ========== */
        .services-grid {
            display: grid;
            grid-template-columns: 1.3fr 1fr 1fr;
            gap: 24px;
        }

        .service-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
        }

        .service-card.featured {
            grid-row: span 2;
            background: linear-gradient(160deg, var(--bg-white) 60%, var(--primary-light) 100%);
        }

        .service-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: var(--primary);
        }

        .service-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            border-radius: var(--radius-md);
            color: var(--primary);
            font-size: 1.3rem;
            flex-shrink: 0;
        }

        .service-card.featured .service-icon {
            background: var(--primary);
            color: #fff;
        }

        .service-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
        }

        .service-desc {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin: 0;
            flex-grow: 1;
        }

        .service-link {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        @media (max-width: 991.98px) {
            .services-grid {
                grid-template-columns: 1fr 1fr;
            }
            .service-card.featured {
                grid-row: auto;
                grid-column: span 2;
            }
        }

        @media (max-width: 575.98px) {
            .services-grid {
                grid-template-columns: 1fr;
            }
            .service-card.featured {
                grid-column: auto;
            }
        }

        /* ========== 成功数据条 ========== */
        .data-strip-section {
            background: var(--bg-dark);
            padding: 40px 0;
        }

        .data-strip-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            text-align: center;
        }

        .data-strip-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .data-strip-value {
            font-family: var(--font-mono);
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -1px;
            font-variant-numeric: tabular-nums;
        }

        .data-strip-value .accent {
            color: #60A5FA;
        }

        .data-strip-label {
            font-size: 0.9rem;
            color: var(--text-on-dark-muted);
            font-weight: 500;
        }

        @media (max-width: 767.98px) {
            .data-strip-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .data-strip-value {
                font-size: 1.8rem;
            }
        }

        /* ========== 结果对比 ========== */
        .compare-section {
            background: var(--bg-white);
        }

        .compare-panel {
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-sm);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            position: relative;
        }

        .compare-grid::after {
            content: 'VS';
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            background: var(--bg-white);
            color: var(--primary);
            font-weight: 800;
            font-size: 1rem;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            z-index: 2;
            letter-spacing: 1px;
        }

        .compare-team {
            padding: 24px 28px;
            border-radius: var(--radius-md);
            background: var(--bg-white);
            border: 1px solid var(--border);
        }

        .compare-team:first-child {
            margin-right: 8px;
        }

        .compare-team:last-child {
            margin-left: 8px;
        }

        .compare-team-name {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
            text-align: center;
        }

        .compare-stat-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 0.9rem;
        }

        .compare-stat-row:last-child {
            border-bottom: none;
        }

        .compare-stat-label {
            color: var(--text-secondary);
        }

        .compare-stat-value {
            font-weight: 700;
            font-family: var(--font-mono);
            font-variant-numeric: tabular-nums;
            color: var(--text-main);
        }

        .compare-stat-value.win {
            color: var(--accent-green);
        }

        .compare-stat-value.loss {
            color: var(--accent-orange);
        }

        .compare-bar {
            height: 8px;
            background: var(--border-light);
            border-radius: 999px;
            overflow: hidden;
            margin-top: 6px;
        }

        .compare-bar-fill {
            height: 100%;
            border-radius: 999px;
            background: var(--primary);
            transition: width 0.8s ease;
        }

        .compare-bar-fill.green {
            background: var(--accent-green);
        }

        .compare-bar-fill.orange {
            background: var(--accent-orange);
        }

        @media (max-width: 767.98px) {
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .compare-grid::after {
                display: none;
            }
            .compare-team:first-child,
            .compare-team:last-child {
                margin: 0;
            }
            .compare-panel {
                padding: 20px;
            }
        }

        /* ========== 深度内容区 ========== */
        .deep-content {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: center;
        }

        .deep-content.reverse {
            direction: rtl;
        }

        .deep-content.reverse>* {
            direction: ltr;
        }

        .deep-content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 16/10;
        }

        .deep-content-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deep-content-text h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .deep-content-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        .deep-content-text .data-highlight {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 2px 8px;
            border-radius: var(--radius-sm);
            font-size: 0.88rem;
        }

        @media (max-width: 767.98px) {
            .deep-content {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-section {
            background: var(--bg-page);
            padding: 48px 0;
        }

        .brand-intro-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 40px;
            box-shadow: var(--shadow-sm);
            display: grid;
            grid-template-columns: auto 1fr;
            gap: 28px;
            align-items: start;
        }

        .brand-intro-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-md);
            color: #fff;
            font-size: 1.6rem;
            flex-shrink: 0;
        }

        .brand-intro-text h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .brand-intro-text p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 8px;
        }

        @media (max-width: 575.98px) {
            .brand-intro-card {
                grid-template-columns: 1fr;
                padding: 24px 20px;
                gap: 16px;
            }
        }

        /* ========== 资讯新闻 ========== */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 28px;
        }

        .news-main-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-item {
            display: flex;
            flex-direction: column;
            gap: 10px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all var(--transition-base);
            cursor: pointer;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
            transform: translateX(4px);
        }

        .news-item-header {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
        }

        .news-date-badge {
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
            font-family: var(--font-mono);
        }

        .news-item-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            line-height: 1.45;
        }

        .news-item-excerpt {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        .news-read-more {
            align-self: flex-start;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .news-read-more:hover {
            gap: 8px;
            color: var(--primary-dark);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-featured-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }

        .news-featured-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .news-featured-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

        .news-featured-body {
            padding: 16px 20px;
        }

        .news-featured-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-featured-body p {
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 767.98px) {
            .news-layout {
                grid-template-columns: 1fr;
            }
            .news-item {
                padding: 16px 18px;
            }
        }

        /* ========== 使用指南 ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .guide-step-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }

        .guide-step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .guide-step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-weight: 700;
            font-size: 1.1rem;
            margin-bottom: 12px;
            font-family: var(--font-mono);
        }

        .guide-step-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .guide-step-desc {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        @media (max-width: 991.98px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 424.98px) {
            .guide-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 爆款清单 ========== */
        .hot-list-section {
            background: var(--bg-page);
        }

        .hot-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .hot-list-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 10px;
            transition: all var(--transition-base);
            position: relative;
        }

        .hot-list-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }

        .hot-rank-badge {
            position: absolute;
            top: -10px;
            left: 20px;
            background: var(--accent-orange);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 999px;
            letter-spacing: 0.5px;
        }

        .hot-list-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            line-height: 1.4;
        }

        .hot-list-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
            flex-grow: 1;
        }

        .hot-list-actions {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        @media (max-width: 991.98px) {
            .hot-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 424.98px) {
            .hot-list-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-base);
            background: var(--bg-white);
        }

        .faq-item:hover {
            border-color: var(--primary);
        }

        .faq-item.open {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 20px;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-main);
            user-select: none;
            transition: all var(--transition-fast);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-number {
            font-family: var(--font-mono);
            color: var(--text-light);
            font-size: 0.8rem;
            font-weight: 500;
            margin-right: 8px;
        }

        .faq-question .faq-toggle-icon {
            color: var(--text-light);
            font-size: 0.9rem;
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.open .faq-toggle-icon {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 20px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin: 0;
            padding-top: 0;
        }

        @media (max-width: 575.98px) {
            .faq-question {
                padding: 14px 16px;
                font-size: 0.9rem;
            }
            .faq-answer p {
                font-size: 0.85rem;
            }
        }

        /* ========== 转化表单 ========== */
        .form-section {
            background: var(--bg-page);
            padding: 64px 0;
        }

        .form-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-md);
            max-width: 780px;
            margin: 0 auto;
        }

        .form-card .form-title {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            text-align: center;
        }

        .form-card .form-sub {
            font-size: 0.9rem;
            color: var(--text-secondary);
            text-align: center;
            margin-bottom: 28px;
        }

        .form-label-custom {
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            display: block;
        }

        .form-control-custom {
            border: 1.5px solid var(--border);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            font-size: 0.92rem;
            color: var(--text-main);
            background: var(--bg-white);
            transition: all var(--transition-fast);
            width: 100%;
            font-family: var(--font-sans);
        }

        .form-control-custom:focus {
            border-color: var(--primary);
            outline: none;
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .form-control-custom::placeholder {
            color: var(--text-light);
        }

        .form-check-input-custom {
            accent-color: var(--primary);
            width: 16px;
            height: 16px;
            cursor: pointer;
        }

        .form-check-label-custom {
            font-size: 0.85rem;
            color: var(--text-secondary);
            cursor: pointer;
        }

        @media (max-width: 575.98px) {
            .form-card {
                padding: 24px 18px;
            }
            .form-card .form-title {
                font-size: 1.2rem;
            }
        }

        /* ========== 隐私说明 ========== */
        .privacy-note {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-top: 20px;
            font-size: 0.82rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        .privacy-note strong {
            color: var(--text-main);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
        }

        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-on-dark-muted);
            line-height: 1.7;
            max-width: 360px;
            margin-bottom: 20px;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 20px;
            margin-bottom: 20px;
        }

        .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            margin-top: 20px;
            font-size: 0.8rem;
            color: var(--text-on-dark-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
            justify-content: space-between;
            align-items: center;
        }

        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }

        .footer-legal span {
            white-space: nowrap;
        }

        @media (max-width: 575.98px) {
            .site-footer {
                padding: 32px 0 16px;
            }
            .footer-divider {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        /* ========== 浮动 CTA ========== */
        .floating-cta {
            position: fixed;
            bottom: 24px;
            right: 24px;
            z-index: 1050;
            display: flex;
            flex-direction: column;
            gap: 8px;
            align-items: flex-end;
        }

        .floating-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: 0 8px 24px rgba(37, 99, 235, 0.35);
            transition: all var(--transition-base);
            white-space: nowrap;
        }

        .floating-cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 28px rgba(37, 99, 235, 0.45);
            color: #fff;
        }

        @media (max-width: 575.98px) {
            .floating-cta-btn {
                padding: 10px 16px;
                font-size: 0.8rem;
            }
        }

        /* ========== 深色区块文字调整 ========== */
        .section-bg-dark .service-card,
        .section-bg-dark .news-featured-card,
        .section-bg-dark .hot-list-card {
            background: var(--bg-dark-secondary);
            border-color: rgba(255, 255, 255, 0.1);
            color: var(--text-on-dark);
        }
        .section-bg-dark .service-title,
        .section-bg-dark .hot-list-card h4 {
            color: #fff;
        }
        .section-bg-dark .service-desc,
        .section-bg-dark .hot-list-card p,
        .section-bg-dark .news-featured-body p {
            color: var(--text-on-dark-muted);
        }

/* roulang page: category2 */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-light: #EFF4FF;
            --accent-green: #10B981;
            --accent-orange: #F97316;
            --accent-red: #EF4444;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A2440;
            --bg-dark-secondary: #141D33;
            --text-main: #1E293B;
            --text-secondary: #5B6B7F;
            --text-light: #94A3B8;
            --text-on-dark: #E2E8F0;
            --text-on-dark-muted: #94A3B8;
            --border: #E3EAF3;
            --border-light: #EDF2F8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(31, 52, 102, 0.06);
            --shadow-md: 0 8px 24px rgba(31, 52, 102, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 52, 102, 0.14);
            --shadow-hover: 0 18px 40px rgba(31, 52, 102, 0.16);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --nav-brand-height: 64px;
            --nav-channel-height: 48px;
            --section-padding-desktop: 72px;
            --section-padding-tablet: 48px;
            --section-padding-mobile: 36px;
            --container-max-width: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-max-width);
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-fluid {
            padding-left: 0;
            padding-right: 0;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(31, 52, 102, 0.05);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-brand-height);
            padding: 8px 0;
            gap: 16px;
            flex-wrap: wrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--text-main);
        }
        .brand-logo .logo-text {
            background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 6px 12px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--text-main);
            width: 100%;
            padding: 4px 0;
        }
        .search-box input::placeholder {
            color: var(--text-light);
        }
        .search-box .search-icon {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .btn-rss {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: var(--primary-light);
            color: var(--primary);
            border: 1px solid rgba(37, 99, 235, 0.2);
            border-radius: var(--radius-md);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-rss:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .navbar-toggler-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            color: var(--text-main);
            font-size: 1.1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary);
        }
        .channel-row {
            display: flex;
            align-items: center;
            gap: 4px;
            min-height: var(--nav-channel-height);
            padding: 6px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }
        .channel-row::-webkit-scrollbar {
            height: 4px;
        }
        .channel-row::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            border-bottom: 2px solid transparent;
            transition: all var(--transition-fast);
            position: relative;
        }
        .channel-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }
        .channel-link.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--primary);
            background: transparent;
            border-radius: 0;
        }
        .channel-link.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 14px;
            right: 14px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px 2px 0 0;
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, #1A2440 0%, #1E3A8A 55%, #2563EB 100%);
            padding: 64px 0 72px;
            overflow: hidden;
            color: var(--text-on-dark);
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.18;
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #D4E3FF;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            font-weight: 500;
            letter-spacing: 0.4px;
            margin-bottom: 16px;
        }
        .page-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.6rem);
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            color: #FFFFFF;
        }
        .page-hero .hero-sub {
            font-size: 1.05rem;
            line-height: 1.75;
            color: var(--text-on-dark-muted);
            max-width: 640px;
            margin-bottom: 24px;
        }
        .page-hero .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: #FFFFFF;
            color: var(--primary-dark);
            border: none;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.18);
        }
        .btn-hero-primary:hover {
            background: #F0F4FF;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.22);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            background: transparent;
            color: #D4E3FF;
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: #FFFFFF;
        }

        /* ========== 通用板块 ========== */
        .section-block {
            padding: var(--section-padding-desktop) 0;
        }
        .section-block.tight {
            padding: 40px 0;
        }
        .section-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.35;
        }
        .section-subtitle {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .section-title-row .section-subtitle {
            margin-bottom: 0;
        }

        /* ========== 筛选条 ========== */
        .filter-bar {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .filter-btn {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 7px 14px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-btn:hover {
            border-color: var(--primary);
            color: var(--primary);
        }
        .filter-btn.active {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
        }
        .filter-divider {
            width: 1px;
            height: 28px;
            background: var(--border);
            flex-shrink: 0;
        }

        /* ========== 时间线 ========== */
        .timeline-date-group {
            margin-bottom: 36px;
        }
        .timeline-date-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 16px;
        }
        .timeline-date-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .timeline-date-badge.today {
            background: var(--accent-green);
        }
        .timeline-date-badge.week {
            background: var(--text-secondary);
        }
        .timeline-date-info {
            font-size: 0.85rem;
            color: var(--text-light);
        }

        .result-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 16px 18px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            cursor: pointer;
            margin-bottom: 12px;
        }
        .result-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, 0.35);
            transform: translateY(-2px);
        }
        .result-card .match-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .result-card .match-info {
            flex: 1 1 180px;
            min-width: 160px;
        }
        .result-card .match-league {
            font-size: 0.8rem;
            color: var(--text-light);
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
            margin-bottom: 2px;
        }
        .result-card .match-teams {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
        }
        .result-card .match-meta {
            font-size: 0.82rem;
            color: var(--text-secondary);
        }
        .result-card .score-display {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            padding: 4px 12px;
            background: var(--bg-page);
            border-radius: var(--radius-md);
        }
        .result-card .score-number {
            font-family: var(--font-mono);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .result-card .score-divider {
            font-family: var(--font-mono);
            font-size: 1rem;
            color: var(--text-light);
        }
        .result-card .score-status {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent-green);
            background: rgba(16, 185, 129, 0.12);
            padding: 2px 8px;
            border-radius: 999px;
            white-space: nowrap;
        }
        .result-card .score-status.loss {
            color: var(--accent-orange);
            background: rgba(249, 115, 22, 0.12);
        }
        .result-card .score-detail {
            font-size: 0.78rem;
            color: var(--text-light);
            flex-basis: 100%;
            margin-top: 4px;
            padding-top: 8px;
            border-top: 1px dashed var(--border-light);
        }
        .result-card .card-action {
            flex-shrink: 0;
        }
        .btn-detail {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 12px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-detail:hover {
            background: var(--primary-light);
            border-color: var(--primary);
        }

        /* 赛果对比卡片 */
        .compare-panel {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .compare-header {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            flex-wrap: wrap;
        }
        .compare-header h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0;
        }
        .compare-header .date {
            font-size: 0.85rem;
            color: var(--text-on-dark-muted);
        }
        .compare-body {
            padding: 20px;
        }
        .compare-row {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border-light);
        }
        .compare-row:last-child {
            border-bottom: none;
        }
        .compare-team {
            flex: 1;
            font-weight: 600;
            color: var(--text-main);
        }
        .compare-team.winner {
            color: var(--accent-green);
        }
        .compare-team.loser {
            color: var(--text-secondary);
        }
        .compare-score {
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--text-main);
        }
        .compare-badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 2px 8px;
            border-radius: 999px;
            font-size: 0.75rem;
            font-weight: 700;
        }
        .compare-badge.win {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-green);
        }
        .compare-badge.lose {
            background: rgba(239, 68, 68, 0.12);
            color: var(--accent-red);
        }
        .compare-stat {
            font-size: 0.82rem;
            color: var(--text-secondary);
            margin-left: 8px;
        }

        /* 赛况深度卡 */
        .insight-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .insight-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 22px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .insight-card:hover {
            box-shadow: var(--shadow-md);
        }
        .insight-card .insight-icon {
            font-size: 1.6rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .insight-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .insight-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }
        .insight-tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.75rem;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 8px;
        }

        /* FAQ */
        .faq-section {
            background: #FFFFFF;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(37, 99, 235, 0.3);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 16px 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            text-align: left;
        }
        .faq-question .faq-icon {
            transition: transform var(--transition-fast);
            color: var(--text-light);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] .faq-icon {
            transform: rotate(45deg);
            color: var(--primary);
        }
        .faq-answer {
            padding: 0 20px 16px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }
        .faq-answer p {
            margin: 0;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary-dark) 100%);
            padding: 56px 0;
            color: var(--text-on-dark);
        }
        .cta-card {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px;
            backdrop-filter: blur(4px);
        }
        .cta-card h3 {
            color: #fff;
            font-weight: 700;
            font-size: 1.3rem;
            margin-bottom: 8px;
        }
        .cta-card p {
            color: var(--text-on-dark-muted);
            font-size: 0.9rem;
            margin-bottom: 16px;
        }
        .cta-form .form-control {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: var(--radius-md);
            padding: 10px 14px;
        }
        .cta-form .form-control::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }
        .cta-form .form-control:focus {
            background: rgba(255, 255, 255, 0.15);
            border-color: var(--accent-green);
            box-shadow: 0 0 0 3px rgba(16, 185, 129, 0.25);
            color: #fff;
        }
        .cta-form .btn-cta-submit {
            background: var(--accent-green);
            border: none;
            color: #fff;
            font-weight: 700;
            padding: 10px 20px;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .cta-form .btn-cta-submit:hover {
            background: #0DA271;
            transform: translateY(-1px);
        }

        /* 页脚 */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 40px 0 24px;
            font-size: 0.9rem;
        }
        .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            color: var(--text-on-dark-muted);
            margin-bottom: 16px;
            max-width: 500px;
            line-height: 1.7;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            margin-bottom: 20px;
        }
        .footer-links a {
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 16px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-legal {
            color: var(--text-on-dark-muted);
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-legal span {
            font-size: 0.8rem;
        }

        /* 响应式 */
        @media (max-width: 991px) {
            .brand-row { flex-wrap: wrap; }
            .channel-row { overflow-x: auto; }
            .page-hero { padding: 40px 0 48px; }
            .section-block { padding: var(--section-padding-tablet) 0; }
            .insight-grid { grid-template-columns: 1fr; }
            .compare-body { padding: 16px; }
        }
        @media (max-width: 767px) {
            .brand-row { flex-direction: column; align-items: stretch; }
            .brand-actions { justify-content: space-between; }
            .search-box { min-width: 0; flex: 1; }
            .btn-rss { padding: 8px 12px; font-size: 0.8rem; }
            .filter-bar { flex-direction: column; align-items: stretch; gap: 10px; }
            .filter-divider { width: auto; height: 1px; }
            .result-card { padding: 14px; }
            .result-card .score-display { padding: 4px 8px; }
            .result-card .score-number { font-size: 1.1rem; }
            .cta-card { padding: 20px; }
            .section-title { font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .result-card { flex-direction: column; align-items: flex-start; }
            .result-card .score-display { align-self: flex-start; }
        }

/* roulang page: category1 */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-light: #EFF4FF;
            --accent-green: #10B981;
            --accent-orange: #F97316;
            --accent-red: #EF4444;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A2440;
            --bg-dark-secondary: #141D33;
            --text-main: #1E293B;
            --text-secondary: #5B6B7F;
            --text-light: #94A3B8;
            --text-on-dark: #E2E8F0;
            --text-on-dark-muted: #94A3B8;
            --border: #E3EAF3;
            --border-light: #EDF2F8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(31, 52, 102, 0.06);
            --shadow-md: 0 8px 24px rgba(31, 52, 102, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 52, 102, 0.14);
            --shadow-hover: 0 18px 40px rgba(31, 52, 102, 0.16);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --nav-brand-height: 64px;
            --nav-channel-height: 48px;
            --section-padding-desktop: 72px;
            --section-padding-tablet: 48px;
            --section-padding-mobile: 36px;
            --container-max-width: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-max-width);
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(31, 52, 102, 0.05);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-brand-height);
            padding: 8px 0;
            gap: 16px;
            flex-wrap: wrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--text-main);
        }
        .brand-logo .logo-text {
            background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 6px 12px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--text-main);
            width: 100%;
            padding: 4px 0;
        }
        .search-box input::placeholder {
            color: var(--text-light);
        }
        .search-icon {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .btn-rss {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            border: none;
            border-radius: var(--radius-md);
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .btn-rss:hover {
            background: var(--primary);
            color: #fff;
        }
        .navbar-toggler-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            color: var(--text-main);
            font-size: 1.1rem;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            color: var(--primary);
        }
        .channel-row {
            display: flex;
            align-items: center;
            gap: 4px;
            min-height: var(--nav-channel-height);
            padding: 4px 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }
        .channel-row::-webkit-scrollbar {
            height: 4px;
        }
        .channel-row::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }
        .channel-link {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            padding: 6px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-bottom: 3px solid transparent;
            border-radius: var(--radius-sm) var(--radius-sm) 0 0;
            transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
        }
        .channel-link:hover {
            color: var(--primary);
            background: var(--primary-light);
            border-bottom-color: rgba(37, 99, 235, 0.4);
        }
        .channel-link.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--primary);
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            padding: 32px 0 28px;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary) 0%, var(--accent-green) 50%, var(--accent-orange) 100%);
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .hero-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 10px;
            line-height: 1.3;
            letter-spacing: 0.3px;
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin: 0 0 16px;
            max-width: 720px;
            line-height: 1.8;
        }
        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }
        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 10px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition-fast);
        }
        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--primary);
            border: 1.5px solid var(--primary);
            border-radius: var(--radius-md);
            padding: 9px 20px;
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
        }
        .btn-outline-custom:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        /* ========== 通用 Section ========== */
        .section-block {
            padding: var(--section-padding-desktop) 0;
        }
        .section-heading {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 8px;
            letter-spacing: 0.3px;
        }
        .section-subheading {
            font-size: 0.98rem;
            color: var(--text-secondary);
            margin: 0 0 28px;
            max-width: 680px;
        }
        .section-title-row {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .section-title-row .section-heading {
            margin-bottom: 0;
        }

        /* ========== 筛选条 ========== */
        .filter-bar {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            box-shadow: var(--shadow-sm);
            margin-bottom: 24px;
        }
        .filter-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .filter-chip {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 6px 14px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-secondary);
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: 20px;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .filter-chip:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
        }
        .filter-chip.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .filter-select {
            padding: 6px 12px;
            font-size: 0.82rem;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            background: var(--bg-white);
            color: var(--text-main);
            cursor: pointer;
            transition: border-color var(--transition-fast);
        }
        .filter-select:focus {
            border-color: var(--primary);
        }
        .refresh-indicator {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.75rem;
            color: var(--text-light);
            margin-left: auto;
            white-space: nowrap;
        }
        .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--accent-green);
            border-radius: 50%;
            animation: livePulse 1.5s ease infinite;
        }
        @keyframes livePulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.85); }
        }

        /* ========== 比分卡片列表 ========== */
        .score-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .score-card {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 16px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            position: relative;
        }
        .score-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, 0.3);
            transform: translateY(-2px);
        }
        .score-card.live-match {
            border-left: 4px solid var(--accent-green);
        }
        .score-card.upcoming-match {
            border-left: 4px solid var(--text-light);
        }
        .score-card.finished-match {
            border-left: 4px solid var(--primary);
        }
        .match-status {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.7rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            white-space: nowrap;
            padding: 4px 10px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .match-status.live {
            background: #ECFDF5;
            color: #059669;
        }
        .match-status.upcoming {
            background: var(--bg-page);
            color: var(--text-light);
        }
        .match-status.finished {
            background: var(--primary-light);
            color: var(--primary);
        }
        .match-info {
            flex: 1;
            min-width: 160px;
        }
        .match-league {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--text-light);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .match-league img {
            width: 18px;
            height: 18px;
            border-radius: 50%;
            object-fit: cover;
        }
        .match-teams {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .team-line {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 10px;
            min-width: 130px;
        }
        .team-name {
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .team-score {
            font-family: var(--font-mono);
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            tabular-nums: tabular-nums;
            min-width: 36px;
            text-align: center;
        }
        .team-score.winner {
            color: var(--accent-green);
        }
        .team-score.loser {
            color: var(--accent-orange);
        }
        .match-meta {
            display: flex;
            flex-direction: column;
            gap: 6px;
            font-size: 0.78rem;
            color: var(--text-secondary);
            white-space: nowrap;
        }
        .match-meta span {
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .match-meta i {
            color: var(--text-light);
            font-size: 0.75rem;
            width: 16px;
            text-align: center;
        }
        .match-actions {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .btn-detail-sm {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 6px 12px;
            font-size: 0.78rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
            border: none;
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-detail-sm:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== 数据指标条 ========== */
        .stats-strip {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
            gap: 14px;
            margin-bottom: 24px;
        }
        .stat-tile {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
            box-shadow: var(--shadow-sm);
        }
        .stat-tile .stat-value {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            tabular-nums: tabular-nums;
        }
        .stat-tile .stat-label {
            font-size: 0.8rem;
            color: var(--text-secondary);
        }
        .stat-tile .stat-change {
            display: inline-flex;
            align-items: center;
            gap: 3px;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 2px 8px;
            border-radius: 10px;
            width: fit-content;
        }
        .stat-change.up {
            background: #ECFDF5;
            color: #059669;
        }
        .stat-change.down {
            background: #FEF3C7;
            color: #D97706;
        }

        /* ========== 资讯卡片 ========== */
        .news-card {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .news-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: rgba(37, 99, 235, 0.3);
        }
        .news-card .news-img {
            width: 140px;
            height: 88px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-card .news-body {
            flex: 1;
            min-width: 200px;
        }
        .news-card .news-date {
            font-size: 0.75rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 4px;
            margin-bottom: 4px;
        }
        .news-card .news-title {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-main);
            margin: 0 0 6px;
            line-height: 1.45;
        }
        .news-card .news-excerpt {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin: 0 0 8px;
            line-height: 1.6;
        }
        .news-card .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--primary);
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
            transition: color var(--transition-fast);
        }
        .news-card .btn-read-more:hover {
            color: var(--primary-dark);
        }

        /* ========== 订阅 CTA ========== */
        .subscribe-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-xl);
            padding: 32px;
            box-shadow: var(--shadow-md);
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            align-items: center;
        }
        .subscribe-card .sub-info {
            flex: 1;
            min-width: 240px;
        }
        .subscribe-card .sub-info h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 8px;
        }
        .subscribe-card .sub-info p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin: 0;
        }
        .subscribe-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }
        .subscribe-form input,
        .subscribe-form select {
            padding: 10px 14px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            font-size: 0.9rem;
            color: var(--text-main);
            background: var(--bg-page);
            min-width: 160px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .subscribe-form input:focus,
        .subscribe-form select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }
        .subscribe-form .btn-submit {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 10px 24px;
            font-size: 0.9rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .subscribe-form .btn-submit:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* ========== FAQ ========== */
        .faq-section {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .faq-grid {
            display: flex; 
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .faq-accordion .accordion-button {
            background: var(--bg-white);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
            border-bottom: 1px solid var(--border);
        }
        .faq-accordion .accordion-button::after {
            margin-left: auto;
        }
        .faq-accordion .accordion-body {
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 16px 20px;
            line-height: 1.75;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 48px 0 32px;
            margin-top: 0;
        }
        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-on-dark-muted);
            margin: 0 0 24px;
            max-width: 600px;
            line-height: 1.7;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 24px;
            margin-bottom: 24px;
        }
        .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-divider {
            border-top: 1px solid rgba(148, 163, 184, 0.2);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            justify-content: space-between;
            align-items: center;
        }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            font-size: 0.78rem;
            color: var(--text-on-dark-muted);
        }
        .footer-legal span {
            white-space: nowrap;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .section-block {
                padding: var(--section-padding-tablet) 0;
            }
            .brand-row {
                flex-wrap: wrap;
            }
            .channel-row {
                padding-bottom: 8px;
            }
            .score-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .match-actions {
                width: 100%;
                justify-content: flex-end;
            }
        }
        @media (max-width: 767.98px) {
            .hero-section {
                padding: 24px 0 20px;
            }
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .section-block {
                padding: var(--section-padding-mobile) 0;
            }
            .filter-bar {
                padding: 12px 14px;
                gap: 8px;
            }
            .news-card .news-img {
                width: 100%;
                height: 160px;
            }
            .subscribe-card {
                padding: 20px;
            }
        }
        @media (max-width: 519.98px) {
            .brand-logo {
                font-size: 1.15rem;
            }
            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .search-box {
                min-width: 0;
                flex: 1;
            }
            .btn-rss {
                padding: 6px 12px;
                font-size: 0.8rem;
            }
            .section-heading {
                font-size: 1.3rem;
            }
            .team-name {
                font-size: 0.82rem;
            }
            .team-score {
                font-size: 1rem;
                min-width: 28px;
            }
            .stats-strip {
                grid-template-columns: 1fr 1fr;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-light: #EFF4FF;
            --accent-green: #10B981;
            --accent-orange: #F97316;
            --accent-red: #EF4444;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A2440;
            --bg-dark-secondary: #141D33;
            --text-main: #1E293B;
            --text-secondary: #5B6B7F;
            --text-light: #94A3B8;
            --text-on-dark: #E2E8F0;
            --text-on-dark-muted: #94A3B8;
            --border: #E3EAF3;
            --border-light: #EDF2F8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(31, 52, 102, 0.06);
            --shadow-md: 0 8px 24px rgba(31, 52, 102, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 52, 102, 0.14);
            --shadow-hover: 0 18px 40px rgba(31, 52, 102, 0.16);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --nav-brand-height: 64px;
            --nav-channel-height: 48px;
            --section-padding-desktop: 72px;
            --section-padding-tablet: 48px;
            --section-padding-mobile: 36px;
            --container-max-width: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-max-width);
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-fluid {
            padding-left: 0;
            padding-right: 0;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(31, 52, 102, 0.05);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-brand-height);
            padding: 8px 0;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--text-main);
        }

        .brand-logo .logo-text {
            background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 6px 12px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--text-main);
            width: 100%;
            padding: 4px 0;
        }

        .search-box input::placeholder {
            color: var(--text-light);
        }

        .btn-rss {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            border: 1px solid rgba(37, 99, 235, 0.25);
            border-radius: var(--radius-md);
            padding: 7px 14px;
            font-size: 0.85rem;
            font-weight: 600;
            white-space: nowrap;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-rss:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .navbar-toggler-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--bg-white);
            color: var(--text-main);
            font-size: 1.1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        .channel-row {
            display: flex;
            align-items: center;
            gap: 4px;
            min-height: var(--nav-channel-height);
            padding: 6px 0;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            -webkit-overflow-scrolling: touch;
        }

        .channel-row::-webkit-scrollbar {
            height: 4px;
        }

        .channel-row::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }

        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 6px 14px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: all var(--transition-fast);
            border-bottom: 2px solid transparent;
        }

        .channel-link:hover {
            color: var(--text-main);
            background: var(--bg-page);
        }

        .channel-link.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--primary);
            background: transparent;
        }

        .channel-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 50%;
            transform: translateX(-50%);
            width: 24px;
            height: 3px;
            background: var(--primary);
            border-radius: 3px 3px 0 0;
        }

        /* ========== Hero ========== */
        .hero-rankings {
            position: relative;
            background: var(--bg-dark);
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
            padding: var(--section-padding-desktop) 0;
        }

        .hero-rankings::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.18;
            z-index: 1;
        }

        .hero-rankings::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 36, 64, 0.92) 0%, rgba(26, 36, 64, 0.55) 55%, rgba(26, 36, 64, 0.85) 100%);
            z-index: 2;
        }

        .hero-rankings .container {
            position: relative;
            z-index: 3;
        }

        .hero-rankings .hero-content {
            max-width: 640px;
        }

        .hero-rankings h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .hero-rankings h1 .highlight {
            color: var(--primary);
        }

        .hero-rankings .hero-sub {
            font-size: 1.1rem;
            color: var(--text-on-dark-muted);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-rankings .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 28px;
        }

        .hero-rankings .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-on-dark);
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }

        .hero-rankings .hero-badge i {
            color: var(--accent-green);
            font-size: 0.75rem;
        }

        .hero-rankings .hero-cta {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
            border-radius: var(--radius-md);
            padding: 12px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.55);
            transform: translateY(-2px);
        }

        .hero-rankings .hero-quick-stats {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-rankings .quick-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .hero-rankings .quick-stat .num {
            font-family: var(--font-mono);
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 1px;
        }

        .hero-rankings .quick-stat .label {
            font-size: 0.8rem;
            color: var(--text-on-dark-muted);
        }

        .hero-rankings .quick-stat .delta {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.78rem;
            color: var(--accent-green);
            font-weight: 600;
        }

        /* ========== 板块通用 ========== */
        .section-rank {
            padding: var(--section-padding-desktop) 0;
        }

        .section-rank.alt-bg {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-rank .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 32px;
            flex-wrap: wrap;
        }

        .section-rank .section-header .title-group h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0 0 6px;
            letter-spacing: 0.3px;
        }

        .section-rank .section-header .title-group p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            margin: 0;
        }

        .section-rank .section-header .filter-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .filter-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 6px 14px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .filter-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-pill.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ========== 榜单卡片 ========== */
        .rank-table-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            margin-bottom: 24px;
        }

        .rank-table-card .rank-table-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 24px;
            background: var(--primary-light);
            border-bottom: 1px solid var(--border-light);
            flex-wrap: wrap;
            gap: 10px;
        }

        .rank-table-card .rank-table-header h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .rank-table-card .rank-table-header h3 i {
            color: var(--primary);
            font-size: 1rem;
        }

        .rank-table-card .rank-table-header .update-time {
            font-size: 0.78rem;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .rank-table-card .rank-table-header .update-time i {
            font-size: 0.7rem;
            color: var(--accent-green);
        }

        .rank-row {
            display: flex;
            align-items: center;
            padding: 14px 24px;
            border-bottom: 1px solid var(--border-light);
            gap: 16px;
            transition: all var(--transition-fast);
            cursor: default;
        }

        .rank-row:last-child {
            border-bottom: none;
        }

        .rank-row:hover {
            background: var(--bg-page);
        }

        .rank-row .rank-num {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-secondary);
            width: 36px;
            flex-shrink: 0;
            text-align: center;
        }

        .rank-row.top1 .rank-num {
            color: #FFD700;
        }
        .rank-row.top2 .rank-num {
            color: #C0C0C0;
        }
        .rank-row.top3 .rank-num {
            color: #CD7F32;
        }

        .rank-row .rank-team {
            display: flex;
            align-items: center;
            gap: 12px;
            flex: 1;
            min-width: 160px;
        }

        .rank-row .rank-team .team-avatar {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-md);
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .rank-row .rank-team .team-info .team-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .rank-row .rank-team .team-info .team-region {
            font-size: 0.78rem;
            color: var(--text-light);
        }

        .rank-row .rank-metric {
            font-family: var(--font-mono);
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            text-align: center;
            min-width: 70px;
        }

        .rank-row .rank-metric .metric-label {
            display: block;
            font-family: var(--font-sans);
            font-size: 0.68rem;
            color: var(--text-light);
            font-weight: 400;
            margin-top: 2px;
        }

        .rank-row .rank-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.82rem;
            font-weight: 600;
            min-width: 56px;
            justify-content: center;
        }

        .rank-row .rank-trend.up {
            color: var(--accent-green);
        }
        .rank-row .rank-trend.down {
            color: var(--accent-red);
        }
        .rank-row .rank-trend.flat {
            color: var(--text-light);
        }

        .rank-table-card .rank-footer-link {
            display: block;
            text-align: center;
            padding: 12px;
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--primary);
            border-top: 1px solid var(--border-light);
            transition: all var(--transition-fast);
        }

        .rank-table-card .rank-footer-link:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        /* ========== 数据条 ========== */
        .data-bar-wrap {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            margin-bottom: 16px;
        }

        .data-bar-wrap .bar-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 8px;
        }

        .data-bar-wrap .bar-header .bar-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .data-bar-wrap .bar-header .bar-value {
            font-family: var(--font-mono);
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
        }

        .data-bar-custom {
            height: 10px;
            background: var(--bg-page);
            border-radius: 5px;
            overflow: hidden;
            margin-bottom: 6px;
        }

        .data-bar-custom .bar-fill {
            height: 100%;
            border-radius: 5px;
            transition: width 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .data-bar-wrap .bar-note {
            font-size: 0.75rem;
            color: var(--text-light);
            margin: 0;
        }

        /* ========== 趋势徽章 ========== */
        .trend-badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 0.75rem;
            font-weight: 600;
            white-space: nowrap;
        }

        .trend-badge.rising {
            background: rgba(16, 185, 129, 0.12);
            color: #0B8F63;
        }

        .trend-badge.falling {
            background: rgba(239, 68, 68, 0.12);
            color: #D32F2F;
        }

        .trend-badge.stable {
            background: rgba(94, 107, 127, 0.12);
            color: var(--text-secondary);
        }

        .trend-badge.hot {
            background: rgba(249, 115, 22, 0.12);
            color: #D45A14;
        }

        /* ========== 对比卡 ========== */
        .compare-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 28px;
            height: 100%;
            transition: all var(--transition-base);
        }

        .compare-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .compare-card .compare-header {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
            padding-bottom: 16px;
            border-bottom: 1px solid var(--border-light);
        }

        .compare-card .compare-header .compare-icon {
            width: 44px;
            height: 44px;
            background: var(--primary-light);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .compare-card .compare-header .compare-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
        }

        .compare-card .compare-header .compare-sub {
            font-size: 0.82rem;
            color: var(--text-light);
            margin: 0;
        }

        .compare-card .compare-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            gap: 12px;
        }

        .compare-card .compare-item .item-label {
            font-size: 0.85rem;
            color: var(--text-secondary);
        }

        .compare-card .compare-item .item-value {
            font-family: var(--font-mono);
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .compare-card .compare-item .item-value.green {
            color: var(--accent-green);
        }

        .compare-card .compare-item .item-value.orange {
            color: var(--accent-orange);
        }

        /* ========== 选手排名卡片 ========== */
        .player-rank-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            margin-bottom: 16px;
            transition: all var(--transition-base);
        }

        .player-rank-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .player-rank-card .player-rank {
            font-family: var(--font-mono);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }

        .player-rank-card .player-avatar {
            width: 46px;
            height: 46px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .player-rank-card .player-info {
            flex: 1;
            min-width: 0;
        }

        .player-rank-card .player-info .player-name {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .player-rank-card .player-info .player-team {
            font-size: 0.78rem;
            color: var(--text-light);
        }

        .player-rank-card .player-stats {
            display: flex;
            gap: 16px;
            flex-shrink: 0;
            flex-wrap: wrap;
        }

        .player-rank-card .player-stats .stat {
            text-align: center;
        }

        .player-rank-card .player-stats .stat .stat-num {
            font-family: var(--font-mono);
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            display: block;
        }

        .player-rank-card .player-stats .stat .stat-label {
            font-size: 0.68rem;
            color: var(--text-light);
            display: block;
        }

        /* ========== 方法论 ========== */
        .methodology-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 32px;
        }

        .methodology-card .method-title {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 20px;
        }

        .methodology-card .method-title i {
            width: 42px;
            height: 42px;
            background: var(--primary-light);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .methodology-card .method-title h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin: 0;
        }

        .methodology-card .method-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .methodology-card .method-item {
            display: flex;
            gap: 10px;
            padding: 12px 16px;
            background: var(--bg-page);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
        }

        .methodology-card .method-item i {
            color: var(--primary);
            font-size: 0.9rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .methodology-card .method-item .method-text {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }

        .faq-custom .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .faq-custom .accordion-button {
            background: var(--bg-white);
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 24px;
            border: none;
            box-shadow: none !important;
            transition: all var(--transition-fast);
        }

        .faq-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .faq-custom .accordion-button:focus {
            box-shadow: none;
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: -2px;
        }

        .faq-custom .accordion-button::after {
            transition: all var(--transition-fast);
        }

        .faq-custom .accordion-body {
            padding: 18px 24px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--bg-white);
        }

        .faq-custom .accordion-body strong {
            color: var(--text-main);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-dark);
            padding: var(--section-padding-desktop) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            opacity: 0.12;
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-section .cta-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 40px;
            box-shadow: var(--shadow-lg);
            max-width: 760px;
            margin: 0 auto;
        }

        .cta-section .cta-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .cta-section .cta-card p {
            color: var(--text-secondary);
            margin-bottom: 24px;
        }

        .cta-section .cta-card .form-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-main);
        }

        .cta-section .cta-card .form-control,
        .cta-section .cta-card .form-select {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            font-size: 0.9rem;
            color: var(--text-main);
            background: var(--bg-white);
            transition: all var(--transition-fast);
        }

        .cta-section .cta-card .form-control:focus,
        .cta-section .cta-card .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .cta-section .cta-card .form-control::placeholder {
            color: var(--text-light);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 48px 0 24px;
            border-top: 4px solid var(--primary);
        }

        .site-footer .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .site-footer .footer-desc {
            color: var(--text-on-dark-muted);
            font-size: 0.88rem;
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 24px;
        }

        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
            margin-bottom: 28px;
        }

        .site-footer .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links a:hover {
            color: #fff;
        }

        .site-footer .footer-divider {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
        }

        .site-footer .footer-legal {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: var(--text-on-dark-muted);
        }

        .site-footer .footer-legal span {
            white-space: nowrap;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .brand-row {
                flex-wrap: nowrap;
            }
            .search-box {
                min-width: 120px;
                flex: 1;
            }
            .btn-rss {
                padding: 7px 10px;
                font-size: 0.78rem;
            }
            .btn-rss span {
                display: none;
            }
            .channel-row {
                gap: 2px;
                padding: 4px 8px;
                margin: 0 -20px;
                padding-left: 20px;
                padding-right: 20px;
            }
            .channel-link {
                padding: 5px 10px;
                font-size: 0.82rem;
            }
            .hero-rankings {
                min-height: auto;
                padding: 48px 0;
            }
            .hero-rankings h1 {
                font-size: 1.8rem;
            }
            .hero-rankings .hero-sub {
                font-size: 1rem;
            }
            .section-rank {
                padding: var(--section-padding-tablet) 0;
            }
            .methodology-card .method-list {
                grid-template-columns: 1fr;
            }
            .cta-section .cta-card {
                padding: 28px 20px;
            }
        }

        @media (max-width: 767.98px) {
            .hero-rankings {
                padding: 36px 0;
                text-align: center;
            }
            .hero-rankings .hero-content {
                max-width: 100%;
            }
            .hero-rankings h1 {
                font-size: 1.5rem;
            }
            .hero-rankings .hero-badges {
                justify-content: center;
            }
            .hero-rankings .hero-cta {
                justify-content: center;
            }
            .hero-rankings .hero-quick-stats {
                justify-content: center;
            }
            .section-rank {
                padding: var(--section-padding-mobile) 0;
            }
            .section-rank .section-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .section-rank .section-header .title-group h2 {
                font-size: 1.4rem;
            }
            .rank-row {
                padding: 12px 16px;
                gap: 10px;
                flex-wrap: wrap;
            }
            .rank-row .rank-team {
                min-width: 120px;
            }
            .rank-row .rank-metric {
                min-width: 50px;
                font-size: 0.85rem;
            }
            .player-rank-card {
                flex-wrap: wrap;
                padding: 16px;
            }
            .player-rank-card .player-stats {
                width: 100%;
                justify-content: space-between;
                gap: 8px;
                padding-top: 8px;
                border-top: 1px solid var(--border-light);
            }
            .compare-card {
                padding: 20px;
            }
            .data-bar-wrap {
                padding: 18px;
            }
            .methodology-card {
                padding: 20px;
            }
            .faq-custom .accordion-button {
                padding: 14px 18px;
                font-size: 0.9rem;
            }
            .faq-custom .accordion-body {
                padding: 14px 18px;
                font-size: 0.85rem;
            }
            .site-footer .footer-divider {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        @media (max-width: 575.98px) {
            .brand-row {
                flex-wrap: wrap;
                gap: 8px;
            }
            .brand-logo {
                font-size: 1.15rem;
            }
            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .search-box {
                min-width: 100px;
            }
            .hero-rankings h1 {
                font-size: 1.3rem;
            }
            .hero-rankings .hero-quick-stats {
                gap: 16px;
            }
            .hero-rankings .quick-stat .num {
                font-size: 1.2rem;
            }
            .rank-row {
                padding: 10px 12px;
                gap: 8px;
            }
            .rank-row .rank-team .team-avatar {
                width: 32px;
                height: 32px;
                font-size: 0.78rem;
            }
            .rank-row .rank-team .team-info .team-name {
                font-size: 0.85rem;
            }
            .rank-row .rank-metric {
                font-size: 0.78rem;
                min-width: 40px;
            }
            .rank-row .rank-trend {
                font-size: 0.72rem;
                min-width: 40px;
            }
            .cta-section .cta-card {
                padding: 20px 16px;
            }
            .cta-section .cta-card h2 {
                font-size: 1.3rem;
            }
            .site-footer .footer-legal {
                flex-direction: column;
                gap: 6px;
            }
        }

/* roulang page: category5 */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-light: #EFF4FF;
            --accent-green: #10B981;
            --accent-orange: #F97316;
            --accent-red: #EF4444;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A2440;
            --bg-dark-secondary: #141D33;
            --text-main: #1E293B;
            --text-secondary: #5B6B7F;
            --text-light: #94A3B8;
            --text-on-dark: #E2E8F0;
            --text-on-dark-muted: #94A3B8;
            --border: #E3EAF3;
            --border-light: #EDF2F8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(31, 52, 102, 0.06);
            --shadow-md: 0 8px 24px rgba(31, 52, 102, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 52, 102, 0.14);
            --shadow-hover: 0 18px 40px rgba(31, 52, 102, 0.16);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --nav-brand-height: 64px;
            --nav-channel-height: 48px;
            --section-padding-desktop: 72px;
            --section-padding-tablet: 48px;
            --section-padding-mobile: 36px;
            --container-max-width: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-max-width);
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(31, 52, 102, 0.05);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-brand-height);
            padding: 8px 0;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--text-main);
        }

        .brand-logo .logo-text {
            background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 6px 12px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--text-main);
            width: 100%;
            padding: 4px 0;
            font-family: var(--font-sans);
        }

        .search-box input::placeholder {
            color: var(--text-light);
            font-size: 0.85rem;
        }

        .search-icon {
            color: var(--text-light);
            font-size: 0.9rem;
        }

        .btn-rss {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            border: 1px solid rgba(37, 99, 235, 0.2);
            border-radius: var(--radius-md);
            padding: 7px 14px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
            font-family: var(--font-sans);
        }

        .btn-rss:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        .navbar-toggler-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            color: var(--text-main);
            font-size: 1.1rem;
            cursor: pointer;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary);
        }

        .channel-row {
            display: flex;
            align-items: center;
            gap: 4px;
            min-height: var(--nav-channel-height);
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
            padding: 4px 0;
            -webkit-overflow-scrolling: touch;
        }

        .channel-row::-webkit-scrollbar {
            height: 4px;
        }

        .channel-row::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }

        .channel-row::-webkit-scrollbar-track {
            background: transparent;
        }

        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: color var(--transition-fast), background var(--transition-fast);
            border-bottom: 2px solid transparent;
        }

        .channel-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .channel-link.active {
            color: var(--primary);
            border-bottom-color: var(--primary);
            background: transparent;
        }

        /* ========== Hero ========== */
        .page-hero {
            position: relative;
            background:
                linear-gradient(135deg, rgba(26, 36, 64, 0.88) 0%, rgba(37, 99, 235, 0.72) 55%, rgba(16, 185, 129, 0.55) 100%),
                url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            color: #fff;
            padding: 64px 0 72px;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 40px;
            background: var(--bg-page);
            border-radius: 20px 20px 0 0;
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.15);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 18px;
            color: #fff;
        }

        .hero-badge .badge-dot {
            width: 8px;
            height: 8px;
            background: var(--accent-green);
            border-radius: 50%;
            animation: pulse-dot 2s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.6; transform: scale(1.4); }
        }

        .page-hero h1 {
            font-size: 2.2rem;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: #fff;
            max-width: 700px;
        }

        .page-hero .hero-desc {
            font-size: 1.05rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
            max-width: 640px;
            margin-bottom: 28px;
        }

        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary-dark);
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 22px;
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
            font-family: var(--font-sans);
        }

        .btn-hero-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
            background: #f0f4ff;
        }

        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-md);
            padding: 12px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), border-color var(--transition-fast), transform var(--transition-fast);
            font-family: var(--font-sans);
        }

        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: var(--section-padding-desktop) 0;
        }

        .section-block.bg-white {
            background: var(--bg-white);
        }

        .section-block.bg-page {
            background: var(--bg-page);
        }

        .section-header {
            margin-bottom: 36px;
        }

        .section-header .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .section-header .section-eyebrow::before {
            content: '';
            width: 24px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .section-header h2 {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--text-secondary);
            max-width: 560px;
            line-height: 1.8;
        }

        /* ========== 精选专题卡片 ========== */
        .featured-review-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            height: 100%;
        }

        .featured-review-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }

        .featured-review-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
        }

        .featured-review-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .featured-review-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .featured-review-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 4px 12px;
            font-size: 0.78rem;
            font-weight: 700;
        }

        .featured-review-card .card-body {
            padding: 22px 24px 24px;
        }

        .featured-review-card .card-date {
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .featured-review-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.5;
        }

        .featured-review-card .card-excerpt {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 16px;
        }

        .card-tags {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }

        .card-tags .tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50px;
            padding: 4px 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }

        .btn-read-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: none;
            border: 1.5px solid var(--primary);
            color: var(--primary);
            border-radius: var(--radius-md);
            padding: 8px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), color var(--transition-fast);
            font-family: var(--font-sans);
        }

        .btn-read-more:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== 深度文章列表 ========== */
        .deep-review-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 24px;
            display: flex;
            gap: 20px;
            margin-bottom: 18px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-base), border-color var(--transition-base);
        }

        .deep-review-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, 0.3);
        }

        .deep-review-item .item-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 1.1rem;
            font-family: var(--font-mono);
            flex-shrink: 0;
        }

        .deep-review-item .item-content {
            flex: 1;
        }

        .deep-review-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .deep-review-item .item-meta {
            display: flex;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 10px;
            flex-wrap: wrap;
        }

        .deep-review-item .item-meta span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .deep-review-item .item-excerpt {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 12px;
        }

        .deep-review-item .item-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        /* ========== 数据要点面板 ========== */
        .data-insight-panel {
            background: var(--bg-dark);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            color: var(--text-on-dark);
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .data-insight-panel::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: rgba(37, 99, 235, 0.15);
            border-radius: 50%;
            pointer-events: none;
        }

        .data-insight-panel h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .data-insight-panel .panel-subtitle {
            color: var(--text-on-dark-muted);
            font-size: 0.95rem;
            margin-bottom: 28px;
        }

        .insight-stat {
            text-align: center;
            padding: 16px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .insight-stat .stat-value {
            font-size: 1.6rem;
            font-weight: 700;
            font-family: var(--font-mono);
            color: var(--accent-green);
            margin-bottom: 4px;
        }

        .insight-stat .stat-label {
            font-size: 0.8rem;
            color: var(--text-on-dark-muted);
        }

        /* ========== 复盘标签云 ========== */
        .topic-tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .topic-tag-cloud .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            cursor: pointer;
            transition: border-color var(--transition-fast), color var(--transition-fast), background var(--transition-fast), transform var(--transition-fast);
            font-family: var(--font-sans);
        }

        .topic-tag-cloud .topic-tag:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .topic-tag-cloud .topic-tag .tag-count {
            background: var(--bg-page);
            border-radius: 50px;
            padding: 1px 8px;
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--text-light);
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: border-color var(--transition-base), box-shadow var(--transition-base);
        }

        .accordion-custom .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(37, 99, 235, 0.1);
        }

        .accordion-custom .accordion-button {
            background: var(--bg-white);
            color: var(--text-main);
            padding: 18px 22px;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            box-shadow: none;
            gap: 12px;
            font-family: var(--font-sans);
            border-radius: var(--radius-md);
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
            box-shadow: none;
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }

        .accordion-custom .accordion-button .faq-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
        }

        .accordion-custom .accordion-button:not(.collapsed) .faq-num {
            background: var(--primary-dark);
        }

        .accordion-custom .accordion-body {
            padding: 18px 22px 22px 62px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            color: #fff;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
            margin-bottom: 40px;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -80px;
            left: -60px;
            width: 250px;
            height: 250px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -40px;
            width: 180px;
            height: 180px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 2;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1rem;
            margin-bottom: 24px;
            position: relative;
            z-index: 2;
            max-width: 500px;
        }

        .cta-form {
            position: relative;
            z-index: 2;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .cta-form input {
            flex: 1;
            min-width: 220px;
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 18px;
            font-size: 0.95rem;
            color: var(--text-main);
            font-family: var(--font-sans);
            background: #fff;
        }

        .cta-form input:focus {
            outline: 3px solid rgba(255, 255, 255, 0.4);
        }

        .btn-cta-submit {
            background: #fff;
            color: var(--primary-dark);
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            font-family: var(--font-sans);
            white-space: nowrap;
        }

        .btn-cta-submit:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.25);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .site-footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .site-footer .footer-desc {
            font-size: 0.9rem;
            color: var(--text-on-dark-muted);
            line-height: 1.8;
            max-width: 500px;
            margin-bottom: 24px;
        }

        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 28px;
        }

        .site-footer .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        .site-footer .footer-links a:hover {
            color: #fff;
        }

        .site-footer .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }

        .site-footer .footer-legal {
            display: flex;
            flex-direction: column;
            gap: 4px;
            font-size: 0.78rem;
            color: var(--text-on-dark-muted);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .page-hero {
                padding: 48px 0 56px;
            }

            .page-hero h1 {
                font-size: 1.7rem;
            }

            .section-block {
                padding: var(--section-padding-tablet) 0;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .deep-review-item {
                flex-direction: column;
                gap: 12px;
                padding: 20px;
            }

            .data-insight-panel {
                padding: 28px 22px;
            }

            .cta-section {
                padding: 36px 28px;
            }
        }

        @media (max-width: 767.98px) {
            .brand-row {
                flex-direction: row;
                flex-wrap: wrap;
            }

            .search-box {
                min-width: 140px;
                flex: 1;
            }

            .page-hero h1 {
                font-size: 1.45rem;
            }

            .page-hero .hero-desc {
                font-size: 0.95rem;
            }

            .section-block {
                padding: var(--section-padding-mobile) 0;
            }

            .section-header h2 {
                font-size: 1.3rem;
            }

            .featured-review-card .card-body {
                padding: 16px 18px 20px;
            }

            .featured-review-card h3 {
                font-size: 1rem;
            }

            .deep-review-item h3 {
                font-size: 0.95rem;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }

            .cta-form {
                flex-direction: column;
            }

            .cta-form input {
                min-width: 100%;
            }

            .site-footer .footer-divider {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
            }

            .accordion-custom .accordion-body {
                padding: 14px 16px 18px 16px;
            }

            .accordion-custom .accordion-button {
                padding: 14px 16px;
                font-size: 0.88rem;
            }
        }

        @media (max-width: 519.98px) {
            .brand-logo {
                font-size: 1.2rem;
            }

            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
            }

            .search-box {
                min-width: 110px;
                padding: 4px 10px;
            }

            .btn-rss {
                padding: 6px 10px;
                font-size: 0.78rem;
            }

            .channel-link {
                padding: 6px 10px;
                font-size: 0.8rem;
            }

            .page-hero {
                padding: 36px 0 44px;
            }

            .page-hero h1 {
                font-size: 1.3rem;
            }

            .hero-badge {
                font-size: 0.72rem;
                padding: 5px 12px;
            }

            .section-block {
                padding: 28px 0;
            }

            .section-header .section-eyebrow {
                font-size: 0.72rem;
            }

            .section-header h2 {
                font-size: 1.2rem;
            }

            .insight-stat .stat-value {
                font-size: 1.3rem;
            }
        }

/* roulang page: category6 */
:root {
        --primary: #2563EB;
        --primary-dark: #1E40AF;
        --primary-light: #EFF4FF;
        --accent-green: #10B981;
        --accent-orange: #F97316;
        --accent-red: #EF4444;
        --bg-page: #F5F8FC;
        --bg-white: #FFFFFF;
        --bg-dark: #1A2440;
        --bg-dark-secondary: #141D33;
        --text-main: #1E293B;
        --text-secondary: #5B6B7F;
        --text-light: #94A3B8;
        --text-on-dark: #E2E8F0;
        --text-on-dark-muted: #94A3B8;
        --border: #E3EAF3;
        --border-light: #EDF2F8;
        --radius-sm: 8px;
        --radius-md: 12px;
        --radius-lg: 16px;
        --radius-xl: 20px;
        --shadow-sm: 0 2px 8px rgba(31, 52, 102, 0.06);
        --shadow-md: 0 8px 24px rgba(31, 52, 102, 0.08);
        --shadow-lg: 0 14px 32px rgba(31, 52, 102, 0.14);
        --shadow-hover: 0 18px 40px rgba(31, 52, 102, 0.16);
        --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
        --nav-brand-height: 64px;
        --nav-channel-height: 48px;
        --section-padding-desktop: 64px;
        --section-padding-tablet: 44px;
        --section-padding-mobile: 32px;
        --container-max-width: 1200px;
        --transition-fast: 0.18s ease;
        --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
    }

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.75;
        color: var(--text-main);
        background-color: var(--bg-page);
        margin: 0;
        padding: 0;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: color var(--transition-fast);
    }
    a:hover {
        color: var(--primary-dark);
        text-decoration: none;
    }
    a:focus-visible,
    button:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
        outline: 3px solid rgba(37, 99, 235, 0.35);
        outline-offset: 2px;
        border-radius: var(--radius-sm);
    }
    .container {
        max-width: var(--container-max-width);
        padding-left: 20px;
        padding-right: 20px;
    }
    .container-fluid {
        padding-left: 0;
        padding-right: 0;
    }

    /* ========== 顶部导航 ========== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1040;
        background: var(--bg-white);
        border-bottom: 1px solid var(--border);
        box-shadow: 0 2px 12px rgba(31, 52, 102, 0.05);
    }
    .brand-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: var(--nav-brand-height);
        padding: 8px 0;
        gap: 16px;
        flex-wrap: wrap;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.4rem;
        font-weight: 700;
        color: var(--text-main);
        letter-spacing: 0.5px;
        white-space: nowrap;
    }
    .brand-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 38px;
        height: 38px;
        background: var(--primary);
        color: #fff;
        border-radius: var(--radius-md);
        font-size: 1.1rem;
        flex-shrink: 0;
    }
    .brand-logo:hover {
        color: var(--text-main);
    }
    .brand-logo .logo-text {
        background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 90%);
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .brand-actions {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
    }
    .search-box {
        display: flex;
        align-items: center;
        background: var(--bg-page);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 6px 12px;
        gap: 8px;
        min-width: 200px;
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .search-box:focus-within {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
    }
    .search-box input {
        border: none;
        background: transparent;
        outline: none;
        font-size: 0.9rem;
        color: var(--text-main);
        width: 100%;
        padding: 4px 0;
    }
    .search-box input::placeholder {
        color: var(--text-light);
    }
    .search-icon {
        color: var(--text-light);
        font-size: 0.85rem;
    }
    .btn-rss {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--primary-light);
        color: var(--primary);
        border: 1px solid rgba(37, 99, 235, 0.2);
        border-radius: var(--radius-md);
        padding: 8px 14px;
        font-size: 0.85rem;
        font-weight: 600;
        white-space: nowrap;
        transition: all var(--transition-fast);
    }
    .btn-rss:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }
    .navbar-toggler-custom {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px;
        height: 40px;
        background: var(--bg-page);
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        color: var(--text-main);
        font-size: 1.1rem;
        cursor: pointer;
        transition: all var(--transition-fast);
    }
    .navbar-toggler-custom:hover {
        background: var(--primary-light);
        border-color: var(--primary);
        color: var(--primary);
    }
    .channel-row {
        display: flex;
        align-items: center;
        gap: 4px;
        min-height: var(--nav-channel-height);
        padding: 4px 0;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: thin;
        scrollbar-color: var(--border) transparent;
    }
    .channel-row::-webkit-scrollbar {
        height: 3px;
    }
    .channel-row::-webkit-scrollbar-thumb {
        background: var(--border);
        border-radius: 10px;
    }
    .channel-link {
        display: inline-flex;
        align-items: center;
        padding: 8px 14px;
        font-size: 0.88rem;
        font-weight: 600;
        color: var(--text-secondary);
        border-radius: var(--radius-sm);
        white-space: nowrap;
        border-bottom: 2px solid transparent;
        transition: all var(--transition-fast);
    }
    .channel-link:hover {
        color: var(--primary);
        background: var(--primary-light);
        border-bottom-color: var(--primary);
    }
    .channel-link.active {
        color: var(--primary);
        border-bottom-color: var(--primary);
        background: var(--primary-light);
    }

    /* ========== Hero - 资源下载搜索风 ========== */
    .archive-hero {
        position: relative;
        background: var(--bg-dark) url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
        padding: 72px 0 80px;
        color: #fff;
        overflow: hidden;
    }
    .archive-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(20, 29, 51, 0.88) 0%, rgba(26, 36, 64, 0.78) 45%, rgba(20, 29, 51, 0.9) 100%);
        z-index: 1;
    }
    .archive-hero > .container {
        position: relative;
        z-index: 2;
    }
    .hero-tagline-badge {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: rgba(16, 185, 129, 0.2);
        color: #6EE7B7;
        border: 1px solid rgba(16, 185, 129, 0.35);
        border-radius: 50px;
        padding: 5px 14px;
        font-size: 0.82rem;
        font-weight: 600;
        margin-bottom: 18px;
    }
    .archive-hero h1 {
        font-size: 2.4rem;
        font-weight: 700;
        letter-spacing: 0.5px;
        color: #fff;
        margin-bottom: 14px;
        line-height: 1.3;
    }
    .archive-hero .hero-desc {
        font-size: 1.05rem;
        color: rgba(226, 232, 240, 0.85);
        max-width: 680px;
        margin: 0 auto 28px;
        line-height: 1.8;
    }
    .hero-search-wrapper {
        max-width: 640px;
        margin: 0 auto 28px;
    }
    .hero-search-box {
        display: flex;
        align-items: center;
        background: #fff;
        border-radius: var(--radius-xl);
        padding: 6px 8px 6px 20px;
        box-shadow: 0 16px 48px rgba(0, 0, 0, 0.3);
        gap: 10px;
    }
    .hero-search-box .search-icon {
        color: var(--text-light);
        font-size: 1rem;
    }
    .hero-search-box input {
        flex: 1;
        border: none;
        outline: none;
        font-size: 1rem;
        color: var(--text-main);
        padding: 10px 0;
        background: transparent;
    }
    .hero-search-box input::placeholder {
        color: var(--text-light);
    }
    .hero-search-box .btn-search {
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: var(--radius-lg);
        padding: 12px 24px;
        font-weight: 600;
        font-size: 0.92rem;
        white-space: nowrap;
        transition: all var(--transition-fast);
    }
    .hero-search-box .btn-search:hover {
        background: var(--primary-dark);
    }
    .hero-hot-tags {
        display: flex;
        align-items: center;
        justify-content: center;
        flex-wrap: wrap;
        gap: 10px;
    }
    .hero-hot-tags span {
        color: rgba(226, 232, 240, 0.65);
        font-size: 0.85rem;
    }
    .hot-tag-link {
        display: inline-flex;
        align-items: center;
        background: rgba(255, 255, 255, 0.1);
        color: #E2E8F0;
        border: 1px solid rgba(255, 255, 255, 0.2);
        border-radius: 50px;
        padding: 6px 16px;
        font-size: 0.82rem;
        font-weight: 500;
        transition: all var(--transition-fast);
    }
    .hot-tag-link:hover {
        background: rgba(255, 255, 255, 0.2);
        color: #fff;
        border-color: rgba(255, 255, 255, 0.35);
    }

    /* ========== 面包屑 ========== */
    .breadcrumb-bar {
        background: var(--bg-white);
        border-bottom: 1px solid var(--border-light);
        padding: 12px 0;
    }
    .breadcrumb-bar .breadcrumb {
        margin: 0;
        font-size: 0.85rem;
    }
    .breadcrumb-bar .breadcrumb-item + .breadcrumb-item::before {
        content: '/';
        color: var(--text-light);
    }
    .breadcrumb-bar .breadcrumb-item a {
        color: var(--text-secondary);
    }
    .breadcrumb-bar .breadcrumb-item.active {
        color: var(--primary);
        font-weight: 600;
    }

    /* ========== 通用板块 ========== */
    .section-block {
        padding: var(--section-padding-desktop) 0;
    }
    .section-block.alt-bg {
        background: var(--bg-white);
        border-top: 1px solid var(--border-light);
        border-bottom: 1px solid var(--border-light);
    }
    .section-header {
        margin-bottom: 36px;
    }
    .section-header h2 {
        font-size: 1.72rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
        letter-spacing: 0.3px;
    }
    .section-header p {
        color: var(--text-secondary);
        font-size: 0.98rem;
        margin: 0;
        max-width: 680px;
        line-height: 1.75;
    }

    /* ========== 分类目录 ========== */
    .category-directory-grid {
        display: grid;
        grid-template-columns: repeat(6, 1fr);
        gap: 16px;
    }
    .dir-cat-card {
        background: var(--bg-white);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 20px 16px;
        text-align: center;
        cursor: pointer;
        transition: all var(--transition-base);
        position: relative;
        overflow: hidden;
    }
    .dir-cat-card::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 100%;
        height: 3px;
        background: var(--primary);
        transform: scaleX(0);
        transform-origin: left;
        transition: transform var(--transition-base);
    }
    .dir-cat-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
        border-color: rgba(37, 99, 235, 0.3);
    }
    .dir-cat-card:hover::after {
        transform: scaleX(1);
    }
    .dir-cat-card .cat-icon {
        width: 52px;
        height: 52px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        background: var(--primary-light);
        color: var(--primary);
        border-radius: var(--radius-md);
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    .dir-cat-card h3 {
        font-size: 0.92rem;
        font-weight: 600;
        color: var(--text-main);
        margin-bottom: 4px;
    }
    .dir-cat-card .cat-count {
        font-size: 0.78rem;
        color: var(--text-light);
    }

    /* ========== 资源卡片 ========== */
    .resource-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .resource-card {
        background: var(--bg-white);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        transition: all var(--transition-base);
        display: flex;
        flex-direction: column;
    }
    .resource-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
        border-color: rgba(37, 99, 235, 0.25);
    }
    .resource-card .res-thumbnail {
        position: relative;
        height: 160px;
        overflow: hidden;
        background: var(--bg-dark);
    }
    .resource-card .res-thumbnail img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform 0.4s ease;
    }
    .resource-card:hover .res-thumbnail img {
        transform: scale(1.05);
    }
    .res-thumbnail .res-format-badge {
        position: absolute;
        top: 10px;
        left: 10px;
        background: rgba(20, 29, 51, 0.78);
        color: #fff;
        border-radius: var(--radius-sm);
        padding: 4px 10px;
        font-size: 0.72rem;
        font-weight: 600;
        letter-spacing: 0.5px;
    }
    .res-thumbnail .res-download-badge {
        position: absolute;
        bottom: 10px;
        right: 10px;
        background: var(--accent-green);
        color: #fff;
        border-radius: var(--radius-sm);
        padding: 4px 10px;
        font-size: 0.72rem;
        font-weight: 600;
    }
    .resource-card .res-body {
        padding: 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .resource-card .res-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 0.8rem;
        color: var(--text-light);
        margin-bottom: 8px;
    }
    .resource-card .res-meta i {
        margin-right: 4px;
    }
    .resource-card h3 {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .resource-card p {
        font-size: 0.88rem;
        color: var(--text-secondary);
        line-height: 1.7;
        flex: 1;
    }
    .resource-card .res-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        margin-top: 16px;
        padding-top: 14px;
        border-top: 1px solid var(--border-light);
    }
    .res-footer .res-size {
        font-size: 0.8rem;
        color: var(--text-light);
        font-family: var(--font-mono);
    }
    .btn-download-res {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: var(--radius-sm);
        padding: 8px 16px;
        font-size: 0.82rem;
        font-weight: 600;
        transition: all var(--transition-fast);
    }
    .btn-download-res:hover {
        background: var(--primary-dark);
        color: #fff;
    }

    /* ========== 精选专题 ========== */
    .featured-resource {
        background: var(--bg-dark);
        border-radius: var(--radius-xl);
        padding: 40px;
        display: flex;
        align-items: center;
        gap: 36px;
        color: var(--text-on-dark);
    }
    .featured-resource .featured-img {
        flex-shrink: 0;
        width: 320px;
        height: 220px;
        border-radius: var(--radius-lg);
        overflow: hidden;
    }
    .featured-resource .featured-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .featured-resource .featured-info h3 {
        font-size: 1.4rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 10px;
    }
    .featured-resource .featured-info p {
        color: rgba(226, 232, 240, 0.8);
        font-size: 0.95rem;
        line-height: 1.75;
        margin-bottom: 18px;
    }
    .featured-meta-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
        margin-bottom: 18px;
    }
    .featured-meta-tags span {
        background: rgba(255, 255, 255, 0.1);
        color: #E2E8F0;
        border: 1px solid rgba(255, 255, 255, 0.18);
        border-radius: 50px;
        padding: 3px 12px;
        font-size: 0.78rem;
    }
    .btn-featured-download {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--accent-green);
        color: #fff;
        border: none;
        border-radius: var(--radius-md);
        padding: 12px 24px;
        font-weight: 600;
        font-size: 0.9rem;
        transition: all var(--transition-fast);
    }
    .btn-featured-download:hover {
        background: #0D9F6E;
        color: #fff;
    }

    /* ========== 更新说明 ========== */
    .update-timeline {
        display: flex;
        flex-direction: column;
        gap: 20px;
    }
    .update-item {
        display: flex;
        gap: 20px;
        background: var(--bg-white);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 18px 22px;
        transition: all var(--transition-fast);
    }
    .update-item:hover {
        box-shadow: var(--shadow-sm);
        border-color: rgba(37, 99, 235, 0.2);
    }
    .update-item .update-date {
        flex-shrink: 0;
        width: 90px;
        text-align: center;
        background: var(--primary-light);
        color: var(--primary);
        border-radius: var(--radius-sm);
        padding: 8px 10px;
        font-weight: 700;
        font-size: 0.82rem;
        font-family: var(--font-mono);
        align-self: flex-start;
    }
    .update-item .update-info h4 {
        font-size: 0.95rem;
        font-weight: 600;
        color: var(--text-main);
        margin-bottom: 4px;
    }
    .update-item .update-info p {
        font-size: 0.85rem;
        color: var(--text-secondary);
        margin: 0;
    }

    /* ========== CTA ========== */
    .cta-section {
        background: linear-gradient(135deg, var(--bg-dark) 0%, var(--bg-dark-secondary) 100%);
        border-radius: var(--radius-xl);
        padding: 48px 40px;
        text-align: center;
        color: #fff;
    }
    .cta-section h2 {
        font-size: 1.6rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 10px;
    }
    .cta-section p {
        color: rgba(226, 232, 240, 0.75);
        font-size: 0.95rem;
        max-width: 540px;
        margin: 0 auto 24px;
    }
    .cta-buttons {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 14px;
        flex-wrap: wrap;
    }
    .btn-cta-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: var(--radius-md);
        padding: 13px 28px;
        font-weight: 600;
        font-size: 0.92rem;
        transition: all var(--transition-fast);
    }
    .btn-cta-primary:hover {
        background: #3B82F6;
        color: #fff;
        transform: translateY(-2px);
        box-shadow: var(--shadow-lg);
    }
    .btn-cta-outline {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: transparent;
        color: #E2E8F0;
        border: 1px solid rgba(255, 255, 255, 0.3);
        border-radius: var(--radius-md);
        padding: 13px 28px;
        font-weight: 600;
        font-size: 0.92rem;
        transition: all var(--transition-fast);
    }
    .btn-cta-outline:hover {
        background: rgba(255, 255, 255, 0.08);
        color: #fff;
        border-color: rgba(255, 255, 255, 0.5);
    }

    /* ========== FAQ ========== */
    .faq-wrapper {
        max-width: 840px;
        margin: 0 auto;
    }
    .faq-wrapper .accordion-item {
        background: var(--bg-white);
        border: 1px solid var(--border);
        border-radius: var(--radius-md) !important;
        margin-bottom: 12px;
        overflow: hidden;
        transition: all var(--transition-fast);
    }
    .faq-wrapper .accordion-item:hover {
        border-color: rgba(37, 99, 235, 0.25);
    }
    .faq-wrapper .accordion-button {
        background: var(--bg-white);
        color: var(--text-main);
        font-weight: 600;
        font-size: 0.95rem;
        padding: 18px 22px;
        border: none;
        box-shadow: none !important;
        border-radius: var(--radius-md) !important;
        transition: all var(--transition-fast);
    }
    .faq-wrapper .accordion-button:not(.collapsed) {
        background: var(--primary-light);
        color: var(--primary);
        border-bottom: 1px solid rgba(37, 99, 235, 0.15);
        border-radius: var(--radius-md) var(--radius-md) 0 0 !important;
    }
    .faq-wrapper .accordion-button:focus {
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.15) !important;
    }
    .faq-wrapper .accordion-button::after {
        background-size: 1rem;
        transition: transform 0.3s ease;
    }
    .faq-wrapper .accordion-body {
        padding: 18px 22px;
        color: var(--text-secondary);
        font-size: 0.9rem;
        line-height: 1.75;
    }
    .faq-question-prefix {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 26px;
        height: 26px;
        background: var(--primary-light);
        color: var(--primary);
        border-radius: 50%;
        font-size: 0.78rem;
        font-weight: 700;
        margin-right: 10px;
    }
    .faq-question-prefix {
        flex-shrink: 0;
    }

    /* ========== 表单与订阅 ========== */
    .subscribe-form-card {
        background: var(--bg-white);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        padding: 32px;
        box-shadow: var(--shadow-md);
    }
    .subscribe-form-card .form-label {
        font-weight: 600;
        font-size: 0.9rem;
        color: var(--text-main);
        margin-bottom: 6px;
    }
    .subscribe-form-card .form-control,
    .subscribe-form-card .form-select {
        border: 1px solid var(--border);
        border-radius: var(--radius-sm);
        padding: 10px 14px;
        font-size: 0.92rem;
        color: var(--text-main);
        background: var(--bg-page);
        transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
    }
    .subscribe-form-card .form-control:focus,
    .subscribe-form-card .form-select:focus {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        background: #fff;
    }
    .subscribe-form-card .btn-submit {
        background: var(--primary);
        color: #fff;
        border: none;
        border-radius: var(--radius-sm);
        padding: 12px 28px;
        font-weight: 600;
        font-size: 0.95rem;
        transition: all var(--transition-fast);
        width: 100%;
    }
    .subscribe-form-card .btn-submit:hover {
        background: var(--primary-dark);
    }
    .form-check-input:checked {
        background-color: var(--primary);
        border-color: var(--primary);
    }
    .form-check-input:focus {
        box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        border-color: var(--primary);
    }

    /* ========== 页脚 ========== */
    .site-footer {
        background: var(--bg-dark);
        color: var(--text-on-dark);
        padding: 56px 0 24px;
        margin-top: 0;
    }
    .footer-brand {
        font-size: 1.5rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 12px;
    }
    .footer-desc {
        color: var(--text-on-dark-muted);
        font-size: 0.95rem;
        max-width: 560px;
        line-height: 1.7;
        margin-bottom: 28px;
    }
    .footer-links {
        display: flex;
        flex-wrap: wrap;
        gap: 12px 24px;
        list-style: none;
        padding: 0;
        margin-bottom: 32px;
    }
    .footer-links a {
        color: var(--text-on-dark-muted);
        font-size: 0.9rem;
        transition: color var(--transition-fast);
    }
    .footer-links a:hover {
        color: #fff;
    }
    .footer-divider {
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
    }
    .footer-legal {
        display: flex;
        flex-wrap: wrap;
        gap: 12px 18px;
        color: var(--text-on-dark-muted);
        font-size: 0.85rem;
    }
    .footer-divider a {
        color: var(--text-on-dark-muted);
        font-size: 0.9rem;
    }
    .footer-divider a:hover {
        color: #fff;
    }

    /* ========== 响应式 ========== */
    @media (max-width: 1199.98px) {
        .resource-grid { grid-template-columns: repeat(2, 1fr); }
        .category-directory-grid { grid-template-columns: repeat(4, 1fr); }
    }
    @media (max-width: 991.98px) {
        .section-block { padding: var(--section-padding-tablet) 0; }
        .archive-hero { padding: 56px 0 60px; }
        .archive-hero h1 { font-size: 2rem; }
        .featured-resource { flex-direction: column; align-items: flex-start; padding: 28px; }
        .featured-resource .featured-img { width: 100%; height: 200px; }
        .footer-divider { flex-direction: column; align-items: flex-start; }
        .channel-row { overflow-x: auto; -webkit-overflow-scrolling: touch; }
        .brand-row { flex-wrap: wrap; }
        .search-box { min-width: 160px; }
    }
    @media (max-width: 767.98px) {
        .section-block { padding: var(--section-padding-mobile) 0; }
        .archive-hero { padding: 40px 0 44px; }
        .archive-hero h1 { font-size: 1.65rem; }
        .archive-hero .hero-desc { font-size: 0.95rem; }
        .hero-search-box { flex-direction: column; padding: 12px; }
        .hero-search-box .btn-search { width: 100%; }
        .category-directory-grid { grid-template-columns: repeat(2, 1fr); }
        .resource-grid { grid-template-columns: 1fr; }
        .update-item { flex-direction: column; gap: 10px; }
        .update-item .update-date { width: 100%; text-align: left; }
        .featured-resource { padding: 20px; }
        .cta-section { padding: 32px 20px; }
        .brand-logo { font-size: 1.2rem; }
        .brand-actions { width: 100%; justify-content: flex-end; }
        .search-box { flex: 1; }
        .btn-rss span { display: none; }
        .footer-divider { gap: 16px; }
        .footer-legal { flex-direction: column; gap: 6px; }
    }
    @media (max-width: 575.98px) {
        .archive-hero h1 { font-size: 1.4rem; }
        .archive-hero .hero-desc { font-size: 0.9rem; }
        .section-header h2 { font-size: 1.4rem; }
        .hero-hot-tags { justify-content: flex-start; }
        .subscribe-form-card { padding: 24px 18px; }
    }

/* roulang page: category4 */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-light: #EFF4FF;
            --accent-green: #10B981;
            --accent-orange: #F97316;
            --accent-red: #EF4444;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A2440;
            --bg-dark-secondary: #141D33;
            --text-main: #1E293B;
            --text-secondary: #5B6B7F;
            --text-light: #94A3B8;
            --text-on-dark: #E2E8F0;
            --text-on-dark-muted: #94A3B8;
            --border: #E3EAF3;
            --border-light: #EDF2F8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(31, 52, 102, 0.06);
            --shadow-md: 0 8px 24px rgba(31, 52, 102, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 52, 102, 0.14);
            --shadow-hover: 0 18px 40px rgba(31, 52, 102, 0.16);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --nav-brand-height: 64px;
            --nav-channel-height: 48px;
            --section-padding-desktop: 72px;
            --section-padding-tablet: 48px;
            --section-padding-mobile: 36px;
            --container-max-width: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }

        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }

        .container {
            max-width: var(--container-max-width);
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-fluid {
            padding-left: 0;
            padding-right: 0;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(31, 52, 102, 0.05);
        }

        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-brand-height);
            padding: 8px 0;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--text-main);
        }

        .brand-logo .logo-text {
            background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 6px 12px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }

        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--text-main);
            width: 100%;
            padding: 4px 0;
        }

        .search-box input::placeholder {
            color: var(--text-light);
        }

        .search-icon {
            color: var(--text-light);
            font-size: 0.85rem;
            flex-shrink: 0;
        }

        .btn-rss {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: transparent;
            border: 1px solid var(--border);
            color: var(--text-secondary);
            padding: 7px 14px;
            border-radius: var(--radius-md);
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .btn-rss:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }

        .navbar-toggler-custom {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--bg-white);
            color: var(--text-main);
            font-size: 1.15rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .navbar-toggler-custom:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .channel-row {
            display: flex;
            align-items: center;
            gap: 4px;
            min-height: var(--nav-channel-height);
            padding: 4px 0;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border) transparent;
        }

        .channel-row::-webkit-scrollbar {
            height: 4px;
        }

        .channel-row::-webkit-scrollbar-track {
            background: transparent;
        }

        .channel-row::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 4px;
        }

        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            position: relative;
            transition: all var(--transition-fast);
            border-bottom: 3px solid transparent;
        }

        .channel-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .channel-link.active {
            color: var(--primary);
            font-weight: 600;
            border-bottom-color: var(--primary);
            background: transparent;
        }

        /* ========== Hero ========== */
        .page-hero {
            background: var(--bg-dark);
            padding: var(--section-padding-desktop) 0 56px;
            position: relative;
            overflow: hidden;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 36, 64, 0.92) 0%, rgba(37, 99, 235, 0.72) 60%, rgba(16, 185, 129, 0.35) 100%);
            z-index: 1;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--text-on-dark-muted);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a {
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }

        .hero-breadcrumb a:hover {
            color: var(--text-on-dark);
        }

        .hero-breadcrumb .separator {
            color: var(--text-on-dark-muted);
            opacity: 0.6;
        }

        .page-hero h1 {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .page-hero .hero-subtitle {
            font-size: 1.05rem;
            color: var(--text-on-dark-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 26px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .btn-primary-custom:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.4);
            padding: 12px 26px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: var(--section-padding-desktop) 0;
        }

        .section-block.bg-white-section {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }

        .section-block.bg-page-section {
            background: var(--bg-page);
        }

        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
            line-height: 1.35;
            letter-spacing: 0.3px;
        }

        .section-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        /* ========== 筛选侧栏 ========== */
        .filter-sidebar {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            position: sticky;
            top: calc(var(--nav-brand-height) + var(--nav-channel-height) + 20px);
        }

        .filter-sidebar h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .filter-group {
            margin-bottom: 20px;
        }

        .filter-group label {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-secondary);
            display: block;
            margin-bottom: 6px;
        }

        .filter-group .form-select,
        .filter-group .form-control {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 8px 12px;
            font-size: 0.85rem;
            color: var(--text-main);
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--bg-page);
        }

        .filter-group .form-select:focus,
        .filter-group .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
            outline: none;
        }

        .filter-checkbox-group {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
        }

        .filter-checkbox-group .form-check {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 10px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: 20px;
            cursor: pointer;
            font-size: 0.78rem;
            color: var(--text-secondary);
            transition: all var(--transition-fast);
        }

        .filter-checkbox-group .form-check:hover {
            border-color: var(--primary);
            color: var(--primary);
        }

        .filter-checkbox-group .form-check input {
            margin: 0;
        }

        .btn-filter-submit {
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 16px;
            border-radius: var(--radius-md);
            font-size: 0.88rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-filter-submit:hover {
            background: var(--primary-dark);
        }

        /* ========== 战队资料卡 ========== */
        .team-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .team-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: var(--primary-light);
        }

        .team-card-media {
            position: relative;
            height: 180px;
            overflow: hidden;
            flex-shrink: 0;
        }

        .team-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-base);
        }

        .team-card:hover .team-card-media img {
            transform: scale(1.05);
        }

        .team-card-media .team-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--primary);
            color: #fff;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.3px;
        }

        .team-card-media .team-region {
            position: absolute;
            top: 12px;
            right: 12px;
            background: rgba(255, 255, 255, 0.92);
            color: var(--text-main);
            font-size: 0.72rem;
            font-weight: 500;
            padding: 4px 10px;
            border-radius: 20px;
        }

        .team-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .team-card-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 12px;
            gap: 8px;
            flex-wrap: wrap;
        }

        .team-card-name {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
        }

        .team-card-record {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-secondary);
            background: var(--bg-page);
            padding: 3px 10px;
            border-radius: 6px;
        }

        .team-card-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 8px;
            margin-bottom: 14px;
        }

        .team-stat-item {
            text-align: center;
            padding: 8px 4px;
            background: var(--bg-page);
            border-radius: var(--radius-sm);
        }

        .team-stat-value {
            font-family: var(--font-mono);
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            display: block;
            line-height: 1.3;
        }

        .team-stat-label {
            font-size: 0.72rem;
            color: var(--text-secondary);
            display: block;
            margin-top: 2px;
        }

        .team-recent-title {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .team-recent-matches {
            display: flex;
            gap: 4px;
            flex-wrap: wrap;
            margin-bottom: 14px;
        }

        .match-pill {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 28px;
            height: 28px;
            border-radius: 6px;
            font-size: 0.72rem;
            font-weight: 600;
            font-family: var(--font-mono);
        }

        .match-pill.win {
            background: rgba(16, 185, 129, 0.12);
            color: var(--accent-green);
        }

        .match-pill.loss {
            background: rgba(239, 68, 68, 0.1);
            color: var(--accent-red);
        }

        .match-pill.draw {
            background: rgba(249, 115, 22, 0.1);
            color: var(--accent-orange);
        }

        .btn-view-team {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            border: 1px solid rgba(37, 99, 235, 0.2);
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 0.82rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            margin-top: auto;
        }

        .btn-view-team:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ========== 选手档案卡 ========== */
        .player-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }

        .player-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }

        .player-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary-light) 0%, var(--bg-page) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary);
            flex-shrink: 0;
            border: 2px solid var(--primary-light);
        }

        .player-info {
            flex: 1;
            min-width: 0;
        }

        .player-name {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 2px;
        }

        .player-role {
            font-size: 0.75rem;
            color: var(--text-secondary);
            background: var(--bg-page);
            padding: 2px 8px;
            border-radius: 4px;
            display: inline-block;
            margin-bottom: 8px;
        }

        .player-stats-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.75rem;
            color: var(--text-secondary);
        }

        .player-stats-row span {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .player-stats-row .stat-highlight {
            font-family: var(--font-mono);
            font-weight: 600;
            color: var(--text-main);
        }

        /* ========== 趋势面板 ========== */
        .trend-panel {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            height: 100%;
        }

        .trend-panel h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 16px;
        }

        .trend-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }

        .trend-bar-label {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--text-secondary);
            min-width: 80px;
            text-align: right;
        }

        .trend-bar-track {
            flex: 1;
            background: var(--bg-page);
            border-radius: 6px;
            height: 8px;
            overflow: hidden;
        }

        .trend-bar-fill {
            height: 100%;
            border-radius: 6px;
            transition: width var(--transition-base);
        }

        .trend-bar-fill.primary-fill {
            background: var(--primary);
        }

        .trend-bar-fill.green-fill {
            background: var(--accent-green);
        }

        .trend-bar-fill.orange-fill {
            background: var(--accent-orange);
        }

        .trend-bar-value {
            font-family: var(--font-mono);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-main);
            min-width: 40px;
        }

        /* ========== 对比面板 ========== */
        .compare-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            height: 100%;
            transition: all var(--transition-base);
        }

        .compare-card:hover {
            box-shadow: var(--shadow-hover);
        }

        .compare-card .compare-team-name {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-card .compare-team-region {
            font-size: 0.78rem;
            color: var(--text-light);
            margin-bottom: 14px;
        }

        .compare-divider {
            text-align: center;
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent-orange);
            align-self: center;
            padding: 0 8px;
            font-family: var(--font-mono);
        }

        /* ========== FAQ ========== */
        .accordion-custom .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-item:hover {
            border-color: var(--primary-light);
            box-shadow: var(--shadow-sm);
        }

        .accordion-custom .accordion-header {
            margin: 0;
        }

        .accordion-custom .accordion-button {
            display: flex;
            align-items: center;
            gap: 12px;
            width: 100%;
            padding: 16px 20px;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-main);
            background: var(--bg-white);
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: left;
        }

        .accordion-custom .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
        }

        .accordion-custom .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }

        .accordion-custom .accordion-button .faq-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 26px;
            height: 26px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .accordion-custom .accordion-button:not(.collapsed) .faq-number {
            background: var(--primary);
            color: #fff;
        }

        .accordion-custom .accordion-body {
            padding: 16px 20px 20px 58px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--bg-white);
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--bg-dark);
            padding: var(--section-padding-desktop) 0;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 36, 64, 0.95) 0%, rgba(37, 99, 235, 0.65) 70%, rgba(16, 185, 129, 0.4) 100%);
            z-index: 1;
        }

        .cta-section .container {
            position: relative;
            z-index: 2;
        }

        .cta-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-lg);
            max-width: 760px;
            margin: 0 auto;
        }

        .cta-card h2 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
        }

        .cta-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-bottom: 22px;
            line-height: 1.7;
        }

        .form-label-custom {
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 4px;
            display: block;
        }

        .form-control-custom,
        .form-select-custom {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 10px 14px;
            font-size: 0.88rem;
            color: var(--text-main);
            width: 100%;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            background: var(--bg-page);
            margin-bottom: 14px;
        }

        .form-control-custom:focus,
        .form-select-custom:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
            outline: none;
            background: var(--bg-white);
        }

        .btn-submit-custom {
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 20px;
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-submit-custom:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-lg);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 56px 0 28px;
            margin-top: 0;
        }

        .footer-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-on-dark-muted);
            max-width: 520px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .footer-links {
            display: flex;
            gap: 12px 20px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .footer-links a {
            color: var(--text-on-dark-muted);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-divider {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-legal {
            display: flex;
            gap: 10px 20px;
            flex-wrap: wrap;
            font-size: 0.78rem;
            color: var(--text-on-dark-muted);
        }

        .footer-divider a {
            color: var(--text-on-dark-muted);
            font-size: 0.8rem;
            transition: color var(--transition-fast);
        }

        .footer-divider a:hover {
            color: #fff;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 991.98px) {
            .page-hero {
                padding: 48px 0 40px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .section-block {
                padding: var(--section-padding-tablet) 0;
            }
            .cta-section {
                padding: var(--section-padding-tablet) 0;
            }
            .filter-sidebar {
                position: static;
                margin-bottom: 20px;
            }
        }

        @media (max-width: 767.98px) {
            .brand-row {
                padding: 6px 0;
            }
            .brand-logo {
                font-size: 1.2rem;
            }
            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .search-box {
                min-width: 130px;
                flex: 1;
            }
            .btn-rss {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
            .channel-row {
                gap: 2px;
                padding: 2px 0;
            }
            .channel-link {
                padding: 7px 10px;
                font-size: 0.8rem;
            }
            .page-hero {
                padding: 36px 0 32px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .page-hero .hero-subtitle {
                font-size: 0.88rem;
            }
            .section-block {
                padding: var(--section-padding-mobile) 0;
            }
            .cta-section {
                padding: var(--section-padding-mobile) 0;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .team-card-media {
                height: 140px;
            }
            .player-card {
                padding: 16px;
                gap: 12px;
            }
            .player-avatar {
                width: 48px;
                height: 48px;
                font-size: 1.1rem;
            }
            .cta-card {
                padding: 24px 18px;
            }
            .footer-divider {
                flex-direction: column;
                align-items: flex-start;
            }
            .compare-divider {
                font-size: 1rem;
                padding: 4px 0;
            }
        }

        @media (max-width: 519.98px) {
            body {
                font-size: 14px;
                line-height: 1.65;
            }
            .brand-row {
                flex-wrap: nowrap;
                gap: 8px;
            }
            .brand-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .brand-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 0.8rem;
            }
            .search-box {
                min-width: 100px;
                padding: 4px 8px;
                font-size: 0.8rem;
            }
            .search-box input {
                font-size: 0.8rem;
            }
            .btn-rss {
                font-size: 0.7rem;
                padding: 5px 8px;
            }
            .channel-link {
                padding: 6px 8px;
                font-size: 0.75rem;
            }
            .page-hero h1 {
                font-size: 1.3rem;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary-custom,
            .btn-outline-light-custom {
                width: 100%;
                justify-content: center;
                padding: 10px 18px;
                font-size: 0.85rem;
            }
            .team-card-stats {
                gap: 4px;
            }
            .team-stat-value {
                font-size: 0.9rem;
            }
            .team-recent-matches {
                gap: 3px;
            }
            .match-pill {
                min-width: 24px;
                height: 24px;
                font-size: 0.65rem;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .trend-bar-label {
                min-width: 60px;
                font-size: 0.72rem;
                text-align: left;
            }
            .trend-bar-value {
                min-width: 32px;
                font-size: 0.7rem;
            }
            .cta-card h2 {
                font-size: 1.25rem;
            }
            .footer-links {
                gap: 8px 14px;
            }
            .footer-legal {
                flex-direction: column;
                gap: 4px;
            }
        }

/* roulang page: category7 */
:root {
            --primary: #2563EB;
            --primary-dark: #1E40AF;
            --primary-light: #EFF4FF;
            --accent-green: #10B981;
            --accent-orange: #F97316;
            --accent-red: #EF4444;
            --bg-page: #F5F8FC;
            --bg-white: #FFFFFF;
            --bg-dark: #1A2440;
            --bg-dark-secondary: #141D33;
            --text-main: #1E293B;
            --text-secondary: #5B6B7F;
            --text-light: #94A3B8;
            --text-on-dark: #E2E8F0;
            --text-on-dark-muted: #94A3B8;
            --border: #E3EAF3;
            --border-light: #EDF2F8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(31, 52, 102, 0.06);
            --shadow-md: 0 8px 24px rgba(31, 52, 102, 0.08);
            --shadow-lg: 0 14px 32px rgba(31, 52, 102, 0.14);
            --shadow-hover: 0 18px 40px rgba(31, 52, 102, 0.16);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --font-mono: 'Roboto Mono', 'SF Mono', 'Consolas', 'Monaco', 'Courier New', monospace;
            --nav-brand-height: 64px;
            --nav-channel-height: 48px;
            --section-padding-desktop: 72px;
            --section-padding-tablet: 48px;
            --section-padding-mobile: 36px;
            --container-max-width: 1200px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-page);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--primary-dark);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 3px solid rgba(37, 99, 235, 0.35);
            outline-offset: 2px;
            border-radius: var(--radius-sm);
        }
        .container {
            max-width: var(--container-max-width);
            padding-left: 20px;
            padding-right: 20px;
        }
        .container-fluid {
            padding-left: 0;
            padding-right: 0;
        }

        /* ========== 顶部导航 ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1040;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(31, 52, 102, 0.05);
        }
        .brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: var(--nav-brand-height);
            padding: 8px 0;
            gap: 16px;
            flex-wrap: wrap;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-md);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--text-main);
        }
        .brand-logo .logo-text {
            background: linear-gradient(135deg, var(--text-main) 0%, var(--primary) 90%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .brand-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 6px 12px;
            gap: 8px;
            min-width: 200px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }
        .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.9rem;
            color: var(--text-main);
            width: 100%;
            padding: 4px 0;
        }
        .search-box input::placeholder {
            color: var(--text-light);
        }
        .search-icon {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .btn-rss {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            border: 1px solid rgba(37, 99, 235, 0.18);
            border-radius: var(--radius-md);
            padding: 7px 14px;
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }
        .btn-rss:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }
        .navbar-toggler-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            color: var(--text-main);
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .navbar-toggler-custom:hover {
            background: var(--primary-light);
            border-color: var(--primary);
            color: var(--primary);
        }
        .channel-row {
            display: flex;
            align-items: center;
            gap: 4px;
            min-height: var(--nav-channel-height);
            padding: 4px 0;
            overflow-x: auto;
            scrollbar-width: thin;
            scrollbar-color: var(--border-light) transparent;
            -webkit-overflow-scrolling: touch;
        }
        .channel-row::-webkit-scrollbar {
            height: 4px;
        }
        .channel-row::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 4px;
        }
        .channel-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 14px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border-bottom: 2px solid transparent;
            position: relative;
        }
        .channel-link:hover {
            color: var(--primary);
            background: var(--primary-light);
            border-bottom-color: rgba(37, 99, 235, 0.35);
        }
        .channel-link.active {
            color: var(--primary);
            font-weight: 700;
            border-bottom-color: var(--primary);
            background: var(--primary-light);
        }

        /* ========== Hero ========== */
        .hero-section {
            background: linear-gradient(160deg, #0D1B3E 0%, #1A2D5C 55%, #1E3A7A 100%);
            padding: var(--section-padding-desktop) 0 56px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(37,99,235,0.25) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -160px;
            left: -100px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(16,185,129,0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-wrapper {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(37, 99, 235, 0.2);
            border: 1px solid rgba(37, 99, 235, 0.4);
            color: #BFDBFE;
            border-radius: 99px;
            padding: 6px 16px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.3px;
        }
        .hero-badge i {
            color: #60A5FA;
            font-size: 0.8rem;
        }
        .hero-title {
            font-size: 2.4rem;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .hero-title .highlight {
            color: #60A5FA;
            border-bottom: 2px solid rgba(96, 165, 250, 0.4);
            padding-bottom: 2px;
        }
        .hero-subtitle {
            font-size: 1.08rem;
            color: var(--text-on-dark-muted);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 540px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 24px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .btn-hero-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .btn-hero-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #DBEAFE;
            border: 1px solid rgba(219, 234, 254, 0.4);
            border-radius: var(--radius-md);
            padding: 12px 22px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .btn-hero-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #BFDBFE;
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-stats-mini {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-value {
            font-family: var(--font-mono);
            font-size: 1.35rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
        }
        .hero-stat-label {
            font-size: 0.82rem;
            color: var(--text-on-dark-muted);
            letter-spacing: 0.3px;
        }

        /* 时段选择视觉面板 */
        .hero-panel {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            box-shadow: 0 24px 56px rgba(0, 0, 0, 0.3);
            padding: 28px;
            position: relative;
            z-index: 2;
        }
        .hero-panel-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .hero-panel-sub {
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 18px;
        }
        .freq-selector {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            gap: 10px;
            margin-bottom: 18px;
        }
        .freq-option {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            background: var(--bg-page);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 14px 10px;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
        }
        .freq-option:hover {
            border-color: var(--primary);
            background: var(--primary-light);
        }
        .freq-option.selected {
            border-color: var(--primary);
            background: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
        }
        .freq-option i {
            font-size: 1.2rem;
            color: var(--primary);
        }
        .freq-option span {
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--text-main);
        }
        .freq-option small {
            font-size: 0.72rem;
            color: var(--text-light);
        }
        .hero-panel-divider {
            height: 1px;
            background: var(--border-light);
            margin: 16px 0;
        }
        .hero-panel-row {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-secondary);
            margin-bottom: 8px;
        }
        .hero-panel-row i {
            color: var(--primary);
            width: 16px;
            text-align: center;
        }
        .btn-panel-submit {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 12px 20px;
            font-size: 0.95rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-fast);
            margin-top: 12px;
            letter-spacing: 0.3px;
        }
        .btn-panel-submit:hover {
            background: var(--primary-dark);
            color: #fff;
            box-shadow: var(--shadow-hover);
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: var(--section-padding-desktop) 0;
        }
        .section-alt {
            background: var(--bg-white);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-on-dark);
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 680px;
        }
        .section-dark .section-desc {
            color: var(--text-on-dark-muted);
        }
        .section-header {
            margin-bottom: 36px;
        }
        .section-header.center {
            text-align: center;
        }
        .section-header.center .section-desc {
            margin-left: auto;
            margin-right: auto;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            border-radius: 99px;
            padding: 5px 14px;
            letter-spacing: 0.5px;
            margin-bottom: 10px;
        }
        .section-dark .section-tag {
            background: rgba(37, 99, 235, 0.25);
            color: #60A5FA;
        }

        /* ========== 工具卡片 ========== */
        .tools-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .tool-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .tool-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
            border-color: rgba(37, 99, 235, 0.3);
        }
        .tool-card-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-md);
            font-size: 1.3rem;
            margin-bottom: 16px;
        }
        .tool-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }
        .tool-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
            flex-grow: 1;
        }
        .tool-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            transition: all var(--transition-fast);
        }
        .tool-card-link:hover {
            color: var(--primary-dark);
            gap: 10px;
        }
        .tool-card-link i {
            font-size: 0.75rem;
        }

        /* ========== 使用指引步骤 ========== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step-counter;
        }
        .step-item {
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding: 24px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            position: relative;
            transition: all var(--transition-base);
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, 0.25);
        }
        .step-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-family: var(--font-mono);
            font-weight: 700;
            font-size: 1rem;
        }
        .step-item h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* ========== 订阅表单区 ========== */
        .subscribe-card {
            background: var(--bg-white);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            padding: 40px;
            border: 1px solid var(--border);
            max-width: 720px;
            margin: 0 auto;
        }
        .subscribe-card .form-label {
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
        }
        .subscribe-card .form-control,
        .subscribe-card .form-select {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 10px 14px;
            font-size: 0.92rem;
            color: var(--text-main);
            background: var(--bg-white);
            transition: all var(--transition-fast);
            margin-bottom: 4px;
        }
        .subscribe-card .form-control:focus,
        .subscribe-card .form-select:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.12);
            outline: none;
        }
        .subscribe-card .form-text {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .btn-subscribe {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            width: 100%;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: var(--radius-md);
            padding: 14px 24px;
            font-size: 1rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
            margin-top: 16px;
        }
        .btn-subscribe:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .subscribe-note {
            text-align: center;
            font-size: 0.82rem;
            color: var(--text-light);
            margin-top: 12px;
            margin-bottom: 0;
        }

        /* ========== 数据覆盖范围 ========== */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .coverage-item {
            display: flex;
            align-items: flex-start;
            gap: 14px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 22px;
            border: 1px solid var(--border);
            transition: all var(--transition-base);
        }
        .coverage-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(37, 99, 235, 0.25);
        }
        .coverage-item .coverage-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: var(--radius-sm);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .coverage-item h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 4px;
        }
        .coverage-item p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin: 0;
        }

        /* ========== 深度内容 ========== */
        .deep-content-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }
        .deep-content-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
        }
        .deep-content-card:hover {
            box-shadow: var(--shadow-md);
        }
        .deep-content-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 14px;
        }
        .deep-content-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.85;
            margin-bottom: 12px;
        }
        .deep-content-card .highlight-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .deep-content-card .highlight-list li {
            display: flex;
            align-items: flex-start;
            gap: 8px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            padding: 6px 0;
            line-height: 1.7;
        }
        .deep-content-card .highlight-list li i {
            color: var(--accent-green);
            font-size: 0.8rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--bg-white);
            transition: all var(--transition-base);
        }
        .faq-accordion .accordion-item:hover {
            border-color: rgba(37, 99, 235, 0.3);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            background: var(--bg-white);
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.95rem;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--primary);
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-body {
            padding: 18px 22px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.8;
            background: var(--bg-white);
        }
        .faq-number {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 50%;
            font-size: 0.78rem;
            font-weight: 700;
            margin-right: 10px;
            flex-shrink: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(150deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: var(--section-padding-desktop) 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -60px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255,255,255,0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 1.05rem;
            color: #DBEAFE;
            max-width: 600px;
            margin: 0 auto 28px;
            line-height: 1.8;
            position: relative;
            z-index: 1;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        .btn-cta-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            border: none;
            border-radius: var(--radius-md);
            padding: 14px 28px;
            font-size: 0.98rem;
            font-weight: 700;
            cursor: pointer;
            transition: all var(--transition-fast);
            letter-spacing: 0.3px;
        }
        .btn-cta-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 18px 36px rgba(0, 0, 0, 0.2);
            color: var(--primary-dark);
        }
        .btn-cta-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.5);
            border-radius: var(--radius-md);
            padding: 14px 26px;
            font-size: 0.98rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .btn-cta-outline-white:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        /* ========== Footer ========== */
        .site-footer {
            background: var(--bg-dark);
            color: var(--text-on-dark);
            padding: 48px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }
        .footer-desc {
            font-size: 0.9rem;
            color: var(--text-on-dark-muted);
            line-height: 1.8;
            margin-bottom: 24px;
            max-width: 520px;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 14px 22px;
            margin-bottom: 28px;
        }
        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-on-dark-muted);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-divider {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-legal {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
            font-size: 0.8rem;
            color: var(--text-on-dark-muted);
        }
        .footer-divider a {
            font-size: 0.82rem;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .hero-wrapper {
                gap: 32px;
            }
            .hero-title {
                font-size: 2rem;
            }
        }
        @media (max-width: 991.98px) {
            :root {
                --section-padding-desktop: 48px;
            }
            .hero-wrapper {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .hero-panel {
                max-width: 480px;
            }
            .tools-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-content-grid {
                grid-template-columns: 1fr;
            }
            .brand-row {
                flex-wrap: nowrap;
            }
            .search-box {
                min-width: 150px;
            }
            .channel-row {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 6px;
            }
            .channel-link {
                padding: 8px 10px;
                font-size: 0.85rem;
            }
        }
        @media (max-width: 767.98px) {
            :root {
                --section-padding-desktop: 36px;
                --section-padding-tablet: 32px;
                --section-padding-mobile: 28px;
            }
            .hero-section {
                padding: 36px 0 36px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats-mini {
                gap: 18px;
            }
            .hero-stat-value {
                font-size: 1.1rem;
            }
            .freq-selector {
                grid-template-columns: 1fr 1fr 1fr;
                gap: 6px;
            }
            .freq-option {
                padding: 10px 6px;
            }
            .freq-option span {
                font-size: 0.7rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .coverage-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .subscribe-card {
                padding: 24px 18px;
            }
            .deep-content-card {
                padding: 22px 18px;
            }
            .footer-divider {
                flex-direction: column;
                align-items: flex-start;
            }
            .brand-row {
                padding: 6px 0;
                gap: 8px;
            }
            .brand-logo {
                font-size: 1.1rem;
                gap: 6px;
            }
            .brand-logo .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .btn-rss {
                padding: 6px 10px;
                font-size: 0.75rem;
            }
            .search-box {
                min-width: 120px;
                padding: 4px 8px;
            }
            .search-box input {
                font-size: 0.8rem;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 519.98px) {
            .hero-title {
                font-size: 1.4rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-outline {
                width: 100%;
                justify-content: center;
            }
            .hero-panel {
                padding: 18px 14px;
            }
            .freq-selector {
                grid-template-columns: 1fr;
            }
            .freq-option {
                flex-direction: row;
                gap: 10px;
                align-items: center;
                padding: 10px 14px;
            }
            .freq-option i {
                font-size: 1rem;
            }
            .footer-links {
                gap: 10px 16px;
            }
            .footer-legal {
                flex-direction: column;
                gap: 6px;
            }
        }