/* roulang page: index */
:root {
            --color-primary: #0f1f3d;
            --color-primary-light: #1a3056;
            --color-primary-dark: #09162b;
            --color-accent: #c8963e;
            --color-accent-light: #d9ad5f;
            --color-accent-dark: #a87a2e;
            --color-accent-glow: #e8c97a;
            --color-bg: #fafbfc;
            --color-bg-alt: #f2f4f7;
            --color-bg-white: #ffffff;
            --color-bg-dark: #0a1525;
            --color-text: #1c1c1e;
            --color-text-secondary: #5a5a5e;
            --color-text-muted: #8e8e93;
            --color-text-light: #e5e5e7;
            --color-border: #e2e4e8;
            --color-border-light: #eef0f3;
            --color-success: #2d8c4a;
            --color-warning: #e8a83a;
            --color-danger: #c0392b;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 18px 48px rgba(0, 0, 0, 0.13);
            --shadow-accent: 0 6px 22px rgba(200, 150, 62, 0.25);
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1240px;
            --nav-brand-height: 58px;
            --nav-channel-height: 46px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.68;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            min-width: 320px;
        }

        a {
            color: var(--color-primary-light);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 3px;
        }

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

        button,
        .btn {
            cursor: pointer;
            font-family: var(--font-sans);
            transition: all var(--transition-base);
        }
        button:focus-visible,
        .btn:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
        }

        input {
            font-family: var(--font-sans);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin-top: 0;
            line-height: 1.3;
            color: var(--color-primary);
        }

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

        .section-gap {
            margin-top: var(--section-gap);
        }
        .section-gap-sm {
            margin-top: var(--section-gap-sm);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 10px;
            color: var(--color-primary);
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            text-align: center;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .section-divider {
            width: 56px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0 auto 16px;
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            background: var(--color-bg-white);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--color-border-light);
        }
        .nav-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-brand-height);
            padding: 0 20px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            text-decoration: none;
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .nav-logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent) 0%, var(--color-accent-dark) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .nav-brand-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .nav-brand-actions .nav-cta-sm {
            font-size: 0.9rem;
            padding: 7px 16px;
            background: var(--color-accent);
            color: #fff;
            border-radius: 20px;
            font-weight: 600;
            border: none;
            text-decoration: none;
            transition: all var(--transition-base);
            white-space: nowrap;
        }
        .nav-brand-actions .nav-cta-sm:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: var(--shadow-accent);
            transform: translateY(-1px);
        }
        .nav-search-btn {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            border: 1px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-secondary);
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .nav-search-btn:hover {
            background: var(--color-border);
            color: var(--color-primary);
        }
        .nav-channel-row {
            background: var(--color-primary);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-channel-inner {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            gap: 0;
            height: var(--nav-channel-height);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-channel-inner::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-inner .nav-link {
            display: inline-flex;
            align-items: center;
            height: 100%;
            padding: 0 18px;
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.93rem;
            font-weight: 500;
            text-decoration: none;
            white-space: nowrap;
            position: relative;
            transition: all var(--transition-fast);
            letter-spacing: 0.01em;
        }
        .nav-channel-inner .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-channel-inner .nav-link.active {
            color: var(--color-accent-glow);
            font-weight: 600;
        }
        .nav-channel-inner .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px 3px 0 0;
        }
        .nav-mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--color-border);
            align-items: center;
            justify-content: center;
            cursor: pointer;
            font-size: 1.3rem;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }
        .nav-mobile-toggle:hover {
            background: var(--color-bg-alt);
        }
        .nav-channel-row.mobile-open {
            display: flex !important;
        }

        @media (max-width: 768px) {
            .nav-mobile-toggle {
                display: flex;
            }
            .nav-channel-row {
                display: none;
                position: absolute;
                top: var(--nav-brand-height);
                left: 0;
                right: 0;
                background: var(--color-primary);
                z-index: 999;
                box-shadow: var(--shadow-lg);
                border-top: 1px solid rgba(255, 255, 255, 0.1);
            }
            .nav-channel-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 8px 14px;
                gap: 4px;
            }
            .nav-channel-inner .nav-link {
                height: 38px;
                padding: 0 14px;
                border-radius: 20px;
                font-size: 0.88rem;
                background: rgba(255, 255, 255, 0.05);
                margin: 2px;
            }
            .nav-channel-inner .nav-link.active {
                background: var(--color-accent);
                color: #fff;
            }
            .nav-channel-inner .nav-link.active::after {
                display: none;
            }
            .nav-brand-actions .nav-cta-sm {
                font-size: 0.8rem;
                padding: 6px 12px;
            }
            .section-title {
                font-size: 1.55rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 28px;
            }
            :root {
                --section-gap: 48px;
                --section-gap-sm: 32px;
            }
        }
        @media (max-width: 520px) {
            .nav-logo {
                font-size: 1.1rem;
            }
            .nav-logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
            .nav-brand-actions .nav-cta-sm {
                display: none;
            }
            .nav-brand-actions .nav-search-btn {
                width: 32px;
                height: 32px;
                font-size: 0.85rem;
            }
            .nav-brand-row {
                height: 50px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
        }

        /* ========== HERO ========== */
        .hero-section {
            position: relative;
            background: var(--color-primary-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 61, 0.88) 0%, rgba(10, 21, 37, 0.82) 40%, rgba(15, 31, 61, 0.78) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
            padding: 60px 20px;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.18);
            border: 1px solid rgba(200, 150, 62, 0.4);
            color: var(--color-accent-glow);
            font-size: 0.88rem;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            line-height: 1.22;
            letter-spacing: -0.02em;
        }
        .hero-title span {
            color: var(--color-accent-glow);
        }
        .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.82);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 600px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 28px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            text-decoration: none;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(200, 150, 62, 0.35);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            font-size: 1rem;
            font-weight: 600;
            border-radius: 28px;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            text-decoration: none;
            transition: all var(--transition-base);
        }
        .btn-outline:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 420px;
            }
            .hero-title {
                font-size: 1.9rem;
            }
            .hero-desc {
                font-size: 0.98rem;
            }
            .hero-content {
                padding: 40px 16px;
            }
            .btn-primary,
            .btn-outline {
                padding: 11px 20px;
                font-size: 0.9rem;
                border-radius: 24px;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                min-height: 360px;
            }
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-desc {
                font-size: 0.9rem;
            }
            .hero-badge {
                font-size: 0.78rem;
                padding: 4px 12px;
            }
            .hero-btns {
                flex-direction: column;
                gap: 10px;
            }
            .btn-primary,
            .btn-outline {
                justify-content: center;
                width: 100%;
            }
        }

        /* ========== STATS CARDS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: -50px;
            position: relative;
            z-index: 10;
        }
        .stat-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 26px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-base);
            border: 1px solid var(--color-border-light);
        }
        .stat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-number .accent {
            color: var(--color-accent);
        }
        .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
                margin-top: -30px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-number {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                margin-top: -24px;
            }
            .stat-card {
                padding: 16px 10px;
                border-radius: var(--radius-md);
            }
            .stat-number {
                font-size: 1.5rem;
            }
            .stat-label {
                font-size: 0.78rem;
            }
        }

        /* ========== ADVANTAGE CARDS ========== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }
        .advantage-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 30px 22px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
        }
        .advantage-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: var(--color-accent);
        }
        .advantage-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary-light) 0%, var(--color-primary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            color: var(--color-accent-glow);
            font-size: 1.5rem;
        }
        .advantage-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .advantage-card p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 768px) {
            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .advantage-card {
                padding: 22px 16px;
            }
        }
        @media (max-width: 520px) {
            .advantage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .advantage-card {
                padding: 18px 12px;
            }
            .advantage-icon {
                width: 44px;
                height: 44px;
                font-size: 1.2rem;
                margin-bottom: 10px;
            }
            .advantage-card h4 {
                font-size: 0.95rem;
            }
            .advantage-card p {
                font-size: 0.82rem;
            }
        }

        /* ========== CATEGORY CARDS ========== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .category-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            text-decoration: none;
            color: inherit;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: var(--color-accent);
            color: inherit;
        }
        .category-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .category-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card-body h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .category-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            margin: 0 0 14px;
            flex: 1;
        }
        .category-card-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(200, 150, 62, 0.1);
            padding: 4px 12px;
            border-radius: 12px;
            align-self: flex-start;
        }
        @media (max-width: 768px) {
            .category-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .category-card-img {
                height: 160px;
            }
            .category-card-body {
                padding: 16px;
            }
        }
        @media (max-width: 520px) {
            .category-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .category-card-img {
                height: 180px;
            }
        }

        /* ========== BRAND STORY ========== */
        .brand-story-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }
        .brand-story-img {
            width: 100%;
            height: 100%;
            min-height: 380px;
            object-fit: cover;
            display: block;
        }
        .brand-story-text {
            padding: 36px 32px;
        }
        .brand-story-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 14px;
            position: relative;
            padding-left: 18px;
            border-left: 4px solid var(--color-accent);
        }
        .brand-story-text p {
            font-size: 0.98rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }
        @media (max-width: 768px) {
            .brand-story-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .brand-story-img {
                min-height: 240px;
                max-height: 300px;
            }
            .brand-story-text {
                padding: 24px 20px;
            }
            .brand-story-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ========== FOCUS / HOT SECTION ========== */
        .focus-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .focus-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .focus-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .focus-card-img {
            width: 100%;
            height: 170px;
            object-fit: cover;
        }
        .focus-card-body {
            padding: 18px;
            flex: 1;
        }
        .focus-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
        }
        .focus-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.55;
        }
        .focus-card-meta {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 8px;
        }
        @media (max-width: 768px) {
            .focus-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }
        @media (max-width: 520px) {
            .focus-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .focus-card-img {
                height: 180px;
            }
        }

        /* ========== TESTIMONIALS + PARTNERS ========== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .testimonial-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            text-align: center;
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }
        .testimonial-avatar {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-bg-alt);
            margin: 0 auto 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-accent);
            border: 2px solid var(--color-accent);
        }
        .testimonial-card .quote {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            font-style: italic;
            margin-bottom: 10px;
        }
        .testimonial-card .name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
        }
        .partners-row {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: center;
            align-items: center;
            padding: 20px 0;
        }
        .partner-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            padding: 16px 24px;
            border: 1px solid var(--color-border-light);
            font-weight: 600;
            color: var(--color-text-secondary);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            text-align: center;
            min-width: 100px;
        }
        .partner-item:hover {
            border-color: var(--color-accent);
            color: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        @media (max-width: 768px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
            box-shadow: var(--shadow-xs);
        }
        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-primary);
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question i {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 22px;
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }
        @media (max-width: 520px) {
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                font-size: 0.85rem;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
        }

        /* ========== NEWS ========== */
        .news-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            max-width: 960px;
            margin: 0 auto;
        }
        .news-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .news-card-body {
            padding: 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
        }
        .news-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .news-card-body p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin: 0 0 12px;
            flex: 1;
            line-height: 1.55;
        }
        .news-read-more {
            align-self: flex-start;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-accent);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .news-read-more:hover {
            color: var(--color-accent-dark);
        }
        @media (max-width: 768px) {
            .news-list {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .news-card-img {
                height: 160px;
            }
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 31, 61, 0.85);
            z-index: 1;
            border-radius: var(--radius-xl);
        }
        .cta-section>* {
            position: relative;
            z-index: 2;
        }
        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .cta-section .btn-primary {
            font-size: 1.05rem;
            padding: 14px 32px;
            border-radius: 30px;
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 32px 18px;
                border-radius: var(--radius-lg);
            }
            .cta-section h3 {
                font-size: 1.3rem;
            }
            .cta-section p {
                font-size: 0.9rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 44px 20px 28px;
            margin-top: var(--section-gap);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 32px;
            max-width: var(--max-width);
            margin: 0 auto;
        }
        .footer-brand .footer-logo {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            text-decoration: none;
            margin-bottom: 6px;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent-glow);
        }
        .footer-bottom {
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            padding-top: 24px;
            margin-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }
            .footer-col a {
                display: inline-block;
                margin: 0 8px 6px;
            }
        }

/* roulang page: category2 */
/* ============ 设计变量 ============ */
        :root {
            --primary: #1a365d;
            --primary-light: #2c5282;
            --primary-lighter: #3b6da8;
            --accent: #c9a96e;
            --accent-light: #d4b87a;
            --accent-dark: #b8944f;
            --accent-bg: #fdf8f0;
            --bg-white: #ffffff;
            --bg-light: #f7f6f3;
            --bg-lighter: #fafaf9;
            --bg-muted: #eef1f5;
            --text-dark: #1a202c;
            --text-mid: #4a5568;
            --text-light: #718096;
            --text-lighter: #a0aec0;
            --border: #e2e8f0;
            --border-light: #edf2f7;
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 14px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow: 0 2px 10px rgba(0, 0, 0, 0.07);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.10);
            --shadow-lg: 0 8px 36px rgba(0, 0, 0, 0.13);
            --shadow-xl: 0 16px 50px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1240px;
            --nav-height: 96px;
            --section-gap: 72px;
            --section-gap-sm: 48px;
        }

        /* ============ Reset & Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-mid);
            background-color: var(--bg-white);
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--accent-dark);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--text-dark);
            line-height: 1.3;
            margin-top: 0;
        }

        h1 {
            font-size: 2.6rem;
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2rem;
            font-weight: 700;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.45rem;
            font-weight: 600;
        }
        h4 {
            font-size: 1.2rem;
            font-weight: 600;
        }

        p {
            margin-top: 0;
            margin-bottom: 1rem;
        }

        ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ============ 容器 ============ */
        .custom-container {
            width: 100%;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .custom-container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

        /* ============ Header / 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-xs);
            transition: box-shadow var(--transition);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-md);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height);
            gap: 20px;
        }

        .header-logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .header-logo-icon {
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #fff;
            flex-shrink: 0;
        }

        .header-logo-text {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .header-logo-text:hover {
            color: var(--primary-light);
        }

        /* 频道导航行 */
        .nav-channel-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 4px 0;
        }

        .nav-channel-inner::-webkit-scrollbar {
            display: none;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-mid);
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: var(--primary);
            background: var(--bg-lighter);
        }

        .nav-link.active {
            color: #fff;
            background: var(--primary);
            font-weight: 600;
            box-shadow: 0 2px 8px rgba(26, 54, 93, 0.25);
        }

        .nav-link.active:hover {
            color: #fff;
            background: var(--primary-light);
        }

        /* 移动端汉堡按钮 */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.6rem;
            color: var(--text-dark);
            padding: 8px;
            line-height: 1;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .nav-toggle:hover {
            background: var(--bg-muted);
        }

        @media (max-width: 1024px) {
            .nav-link {
                padding: 6px 12px;
                font-size: 0.84rem;
            }
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: block;
            }

            .nav-channel-inner {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                align-items: stretch;
                gap: 2px;
                padding: 12px 16px;
                border-bottom: 2px solid var(--border);
                box-shadow: var(--shadow-md);
                display: none;
                z-index: 999;
                border-radius: 0 0 var(--radius-lg) var(--radius-lg);
            }

            .nav-channel-inner.open {
                display: flex;
            }

            .nav-link {
                border-radius: var(--radius);
                padding: 12px 16px;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* ============ 板块标题 ============ */
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }

        .section-header h2 {
            margin-bottom: 10px;
            color: var(--primary);
        }

        .section-header .subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--accent-dark);
            background: var(--accent-bg);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        /* ============ Hero Banner ============ */
        .hero-banner {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, #0f2340 0%, #1a365d 35%, #1e4d7b 100%);
            overflow: hidden;
            padding: 60px 0;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            mix-blend-mode: overlay;
            z-index: 0;
        }

        .hero-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(255, 255, 255, 0.06), transparent);
            z-index: 0;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .hero-content .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            color: #f0e6d2;
            font-size: 0.85rem;
            font-weight: 500;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 18px;
            letter-spacing: 0.04em;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-content h1 {
            color: #ffffff;
            font-size: 2.8rem;
            margin-bottom: 16px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
        }

        .hero-content .hero-desc {
            color: rgba(255, 255, 255, 0.88);
            font-size: 1.1rem;
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 560px;
        }

        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
        }

        .hero-stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-light);
            line-height: 1;
        }

        .hero-stat-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.78);
            line-height: 1.3;
        }

        @media (max-width: 768px) {
            .hero-banner {
                min-height: 340px;
                padding: 40px 0;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content .hero-desc {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
        }

        /* ============ 板块间距 ============ */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-sm {
            padding: var(--section-gap-sm) 0;
        }

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

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

        /* ============ 卡片系统 ============ */
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
            background: var(--accent-bg);
            color: var(--accent-dark);
        }

        .card-icon.blue {
            background: #e8f0fa;
            color: var(--primary);
        }

        .card h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }

        .card p {
            font-size: 0.93rem;
            color: var(--text-light);
            margin-bottom: 0;
            flex-grow: 1;
        }

        /* 图片卡片 */
        .card-image-top {
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--bg-muted);
        }

        .card-image-top img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }

        .card-has-image:hover .card-image-top img {
            transform: scale(1.06);
        }

        .card-has-image {
            padding-top: 0;
            overflow: hidden;
        }

        .card-has-image .card-body {
            padding: 20px 20px 8px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
        }

        .card-tag {
            display: inline-block;
            font-size: 0.76rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            color: var(--accent-dark);
            background: var(--accent-bg);
            padding: 3px 10px;
            border-radius: 12px;
            margin-bottom: 8px;
            width: fit-content;
        }

        /* ============ 数据统计卡片 ============ */
        .stat-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: all var(--transition);
            height: 100%;
        }

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

        .stat-card .stat-value {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }

        .stat-card .stat-value .accent {
            color: var(--accent);
        }

        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--text-light);
            font-weight: 500;
        }

        .stat-card .stat-desc {
            font-size: 0.8rem;
            color: var(--text-lighter);
            margin-top: 4px;
        }

        /* ============ 按钮系统 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
            text-align: center;
            font-family: var(--font-body);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(26, 54, 93, 0.30);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            color: #fff;
            box-shadow: 0 6px 20px rgba(26, 54, 93, 0.38);
            transform: translateY(-1px);
        }

        .btn-accent {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(201, 169, 110, 0.30);
        }

        .btn-accent:hover {
            background: var(--accent-dark);
            color: #fff;
            box-shadow: 0 6px 20px rgba(184, 148, 79, 0.38);
            transform: translateY(-1px);
        }

        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }

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

        .btn-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: 32px;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.84rem;
            border-radius: 20px;
        }

        /* ============ 资讯列表 ============ */
        .news-list-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border-light);
            align-items: flex-start;
            transition: background var(--transition-fast);
            border-radius: var(--radius-sm);
            padding-left: 12px;
            padding-right: 12px;
            margin: 0 -12px;
        }

        .news-list-item:hover {
            background: var(--bg-lighter);
        }

        .news-list-item:last-child {
            border-bottom: none;
        }

        .news-date {
            font-size: 0.82rem;
            color: var(--text-lighter);
            white-space: nowrap;
            min-width: 80px;
            padding-top: 3px;
            font-weight: 500;
        }

        .news-list-content h4 {
            font-size: 1rem;
            margin-bottom: 4px;
            color: var(--text-dark);
            font-weight: 600;
            transition: color var(--transition-fast);
        }

        .news-list-item:hover .news-list-content h4 {
            color: var(--primary);
        }

        .news-list-content p {
            font-size: 0.87rem;
            color: var(--text-light);
            margin-bottom: 0;
            line-height: 1.5;
        }

        .news-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 10px;
            background: var(--accent-bg);
            color: var(--accent-dark);
            letter-spacing: 0.03em;
            margin-left: 8px;
            white-space: nowrap;
        }

        @media (max-width: 520px) {
            .news-list-item {
                flex-direction: column;
                gap: 4px;
            }
            .news-date {
                min-width: auto;
            }
        }

        /* ============ 流程步骤 ============ */
        .steps-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            counter-reset: step;
        }

        .step-card {
            flex: 1;
            min-width: 220px;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            position: relative;
            text-align: center;
            transition: all var(--transition);
        }

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

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-family: var(--font-heading);
        }

        .step-card h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            color: var(--text-dark);
        }

        .step-card p {
            font-size: 0.88rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            margin-bottom: 10px;
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-xs);
        }

        .faq-item:hover {
            box-shadow: var(--shadow);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-family: var(--font-body);
            letter-spacing: 0.01em;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            font-size: 0.9rem;
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.45s ease, padding 0.45s ease;
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }

        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-mid);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ============ CTA 板块 ============ */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, #1e4d7b 100%);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            z-index: 0;
        }

        .cta-block::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -30px;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            z-index: 0;
        }

        .cta-block>* {
            position: relative;
            z-index: 1;
        }

        .cta-block h2 {
            color: #fff;
            margin-bottom: 12px;
            font-size: 2rem;
        }

        .cta-block p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.05rem;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: #111c2b;
            color: rgba(255, 255, 255, 0.7);
            padding: 48px 0 24px;
            font-size: 0.9rem;
            line-height: 1.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 32px;
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding: 0 24px;
        }

        .footer-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.25rem;
            color: #fff;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 0.87rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0;
            max-width: 320px;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 12px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.87rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--accent-light);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            max-width: var(--max-width);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
        }

        /* ============ 辅助工具类 ============ */
        .text-center {
            text-align: center;
        }
        .mt-0 {
            margin-top: 0;
        }
        .mb-0 {
            margin-bottom: 0;
        }
        .mb-2 {
            margin-bottom: 1rem;
        }
        .mb-3 {
            margin-bottom: 1.5rem;
        }
        .gap-16 {
            gap: 16px;
        }
        .gap-20 {
            gap: 20px;
        }

        /* ============ Foundation 覆盖 ============ */
        .grid-container {
            max-width: var(--max-width);
        }

        /* 覆盖 Foundation 的默认链接蓝 */
        a:not(.btn):not(.nav-link):not(.footer-col a):not(.header-logo-text) {
            color: var(--primary);
        }
        a:not(.btn):not(.nav-link):not(.footer-col a):not(.header-logo-text):hover {
            color: var(--primary-light);
        }

        /* 确保 Foundation 按钮不干扰自定义按钮 */
        button:not(.btn):not(.faq-question):not(.nav-toggle) {
            font-family: inherit;
        }

/* roulang page: category1 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #1a3c5e;
            --color-primary-light: #1f4f7a;
            --color-primary-dark: #0f2a42;
            --color-accent: #c8963e;
            --color-accent-light: #ddb35e;
            --color-accent-dark: #a07828;
            --color-bg: #f8f9fb;
            --color-bg-white: #ffffff;
            --color-bg-light: #f0f2f5;
            --color-bg-dark: #1a1f2b;
            --color-text: #1e2233;
            --color-text-secondary: #5a5f6e;
            --color-text-muted: #8b8f9a;
            --color-text-light: #b0b5c0;
            --color-border: #e2e5ec;
            --color-border-light: #eef0f5;
            --color-success: #2d9d5a;
            --color-warning: #e8a020;
            --color-danger: #d9444a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 22px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.11);
            --shadow-xl: 0 14px 48px rgba(0, 0, 0, 0.14);
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 20px;
            --spacing-lg: 32px;
            --spacing-xl: 48px;
            --spacing-2xl: 64px;
            --spacing-3xl: 80px;
            --font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --max-width: 1200px;
            --nav-height: 68px;
            --channel-nav-height: 50px;
        }

        /* ============ 基础 Reset ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            font-size: 16px;
        }

        body {
            font-family: var(--font-family);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: all var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        input {
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-text);
        }

        /* ============ 容器 ============ */
        .container-custom {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        @media (min-width: 768px) {
            .container-custom {
                padding: 0 var(--spacing-lg);
            }
        }

        @media (min-width: 1024px) {
            .container-custom {
                padding: 0 var(--spacing-xl);
            }
        }

        /* ============ Header / 导航 ============ */
        .site-header {
            background: var(--color-bg-white);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
            border-bottom: 1px solid var(--color-border-light);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: var(--nav-height);
            gap: var(--spacing-md);
        }

        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--color-primary);
            white-space: nowrap;
            letter-spacing: -0.02em;
            flex-shrink: 0;
        }

        .header-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
        }

        .header-logo:hover {
            color: var(--color-primary-light);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-toggle {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: transparent;
            border-radius: var(--radius-sm);
            font-size: 1.4rem;
            color: var(--color-text);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-bg-light);
            color: var(--color-primary);
        }

        @media (min-width: 769px) {
            .mobile-menu-toggle {
                display: none;
            }
        }

        /* 频道导航行 */
        .nav-channel-bar {
            background: var(--color-bg-white);
            border-top: 1px solid var(--color-border-light);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: var(--nav-height);
            z-index: 999;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-channel-bar::-webkit-scrollbar {
            display: none;
        }

        .nav-channel-inner {
            display: flex;
            align-items: center;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
            height: var(--channel-nav-height);
            gap: 2px;
            white-space: nowrap;
            flex-wrap: nowrap;
        }

        .nav-channel-inner .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            border-radius: 22px;
            transition: all var(--transition-base);
            letter-spacing: 0.01em;
            position: relative;
            white-space: nowrap;
            flex-shrink: 0;
        }

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

        .nav-channel-inner .nav-link.active {
            color: #fff;
            background: var(--color-primary);
            box-shadow: 0 2px 10px rgba(26, 60, 94, 0.3);
        }

        .nav-channel-inner .nav-link.active:hover {
            background: var(--color-primary-light);
            color: #fff;
        }

        /* 移动端导航面板 */
        .mobile-nav-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: var(--color-bg-white);
            z-index: 998;
            padding: var(--spacing-md);
            overflow-y: auto;
            flex-direction: column;
            gap: 6px;
            box-shadow: var(--shadow-lg);
        }

        .mobile-nav-panel.is-open {
            display: flex;
        }

        .mobile-nav-panel .nav-link {
            display: block;
            padding: 14px 18px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text);
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }

        .mobile-nav-panel .nav-link:hover {
            background: var(--color-bg-light);
            color: var(--color-primary);
        }

        .mobile-nav-panel .nav-link.active {
            background: var(--color-primary);
            color: #fff;
        }

        @media (min-width: 769px) {
            .mobile-nav-panel {
                display: none !important;
            }
        }

        @media (max-width: 768px) {
            .nav-channel-bar {
                display: none;
            }
        }

        /* ============ 板块间距 ============ */
        .section {
            padding: var(--spacing-2xl) 0;
        }

        .section-sm {
            padding: var(--spacing-xl) 0;
        }

        .section-lg {
            padding: var(--spacing-3xl) 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--spacing-xl) 0;
            }
            .section-lg {
                padding: var(--spacing-2xl) 0;
            }
            .section-sm {
                padding: var(--spacing-lg) 0;
            }
        }

        /* ============ Hero ============ */
        .hero-category {
            position: relative;
            background: var(--color-primary-dark);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            padding: var(--spacing-3xl) 0;
            min-height: 380px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg,
                    rgba(15, 42, 66, 0.88) 0%,
                    rgba(26, 60, 94, 0.78) 40%,
                    rgba(15, 42, 66, 0.72) 100%);
            z-index: 1;
        }

        .hero-category .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
        }

        .hero-category .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.82rem;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.04em;
            margin-bottom: var(--spacing-md);
            text-transform: uppercase;
        }

        .hero-category h1 {
            color: #fff;
            font-size: 2.6rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }

        .hero-category .hero-subtitle {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.15rem;
            line-height: 1.7;
            margin-bottom: var(--spacing-lg);
            max-width: 600px;
        }

        .hero-category .hero-stats-row {
            display: flex;
            gap: var(--spacing-lg);
            flex-wrap: wrap;
        }

        .hero-category .hero-stat-item {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-md);
            padding: var(--spacing-md) var(--spacing-lg);
            text-align: center;
            min-width: 100px;
        }

        .hero-category .hero-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent-light);
            line-height: 1;
        }

        .hero-category .hero-stat-item .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.75);
            margin-top: 4px;
        }

        @media (max-width: 768px) {
            .hero-category {
                min-height: 300px;
                padding: var(--spacing-2xl) 0;
            }
            .hero-category h1 {
                font-size: 1.9rem;
            }
            .hero-category .hero-subtitle {
                font-size: 1rem;
            }
            .hero-category .hero-stats-row {
                gap: var(--spacing-sm);
            }
            .hero-category .hero-stat-item {
                padding: var(--spacing-sm) var(--spacing-md);
            }
            .hero-category .hero-stat-item .stat-num {
                font-size: 1.5rem;
            }
        }

        /* ============ 数据统计卡片 ============ */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--spacing-md);
        }

        .stat-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .stat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
            opacity: 0;
            transition: opacity var(--transition-base);
        }

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

        .stat-card:hover::before {
            opacity: 1;
        }

        .stat-card .stat-icon {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto var(--spacing-sm);
            font-size: 1.4rem;
            color: var(--color-primary);
        }

        .stat-card .stat-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 4px;
            letter-spacing: -0.02em;
        }

        .stat-card .stat-value .unit {
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-secondary);
        }

        .stat-card .stat-desc {
            font-size: 0.88rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-sm);
            }
            .stat-card {
                padding: var(--spacing-md);
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
        }

        /* ============ 板块标题 ============ */
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        .section-header .section-label {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 700;
            color: var(--color-accent-dark);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: var(--spacing-xs);
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: -0.02em;
            margin-bottom: var(--spacing-sm);
        }

        .section-header .section-desc {
            color: var(--color-text-secondary);
            font-size: 1.05rem;
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header .section-desc {
                font-size: 0.95rem;
            }
        }

        /* ============ 预测卡片网格 ============ */
        .prediction-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-lg);
        }

        .prediction-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }

        .prediction-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-5px);
            border-color: var(--color-border);
        }

        .prediction-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-light);
        }

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

        .prediction-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        .prediction-card .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 14px;
            letter-spacing: 0.03em;
            z-index: 2;
        }

        .prediction-card .card-body {
            padding: var(--spacing-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .prediction-card .card-match {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            font-weight: 600;
            letter-spacing: 0.02em;
            margin-bottom: 6px;
        }

        .prediction-card .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .prediction-card .card-probabilities {
            display: flex;
            gap: 8px;
            margin-bottom: var(--spacing-sm);
            flex-wrap: wrap;
        }

        .prediction-card .prob-tag {
            font-size: 0.78rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 14px;
            background: var(--color-bg-light);
            color: var(--color-text-secondary);
            white-space: nowrap;
        }

        .prediction-card .prob-tag.highlight {
            background: #e8f4e8;
            color: var(--color-success);
        }

        .prediction-card .card-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            flex: 1;
            margin-bottom: var(--spacing-sm);
        }

        .prediction-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-primary);
            transition: gap var(--transition-fast);
            align-self: flex-start;
        }

        .prediction-card .card-link:hover {
            gap: 10px;
            color: var(--color-primary-light);
        }

        @media (max-width: 1024px) {
            .prediction-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .prediction-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* ============ 图文区块 ============ */
        .feature-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--spacing-xl);
            align-items: center;
            background: var(--color-bg-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
        }

        .feature-block .feature-image {
            aspect-ratio: 4 / 3;
            overflow: hidden;
            border-radius: 0;
            height: 100%;
            min-height: 300px;
        }

        .feature-block .feature-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .feature-block .feature-text {
            padding: var(--spacing-xl);
        }

        .feature-block .feature-text h3 {
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            color: var(--color-text);
            letter-spacing: -0.01em;
        }

        .feature-block .feature-text p {
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: var(--spacing-md);
            font-size: 0.98rem;
        }

        .feature-block .feature-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .feature-block .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.93rem;
            color: var(--color-text);
            line-height: 1.5;
        }

        .feature-block .feature-list li i {
            color: var(--color-accent);
            font-size: 1rem;
            margin-top: 3px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .feature-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .feature-block .feature-image {
                aspect-ratio: 16 / 9;
                min-height: 200px;
            }
            .feature-block .feature-text {
                padding: var(--spacing-md);
            }
            .feature-block .feature-text h3 {
                font-size: 1.25rem;
            }
        }

        /* ============ 用户评价 ============ */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--spacing-md);
        }

        .testimonial-card {
            background: var(--color-bg-white);
            border-radius: var(--radius-lg);
            padding: var(--spacing-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
        }

        .testimonial-card::before {
            content: '\201C';
            font-size: 3.5rem;
            color: var(--color-accent);
            opacity: 0.3;
            position: absolute;
            top: 8px;
            left: 16px;
            line-height: 1;
            font-family: serif;
            pointer-events: none;
        }

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

        .testimonial-card .testimonial-text {
            font-size: 0.93rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: var(--spacing-md);
            position: relative;
            z-index: 1;
            padding-top: var(--spacing-sm);
        }

        .testimonial-card .testimonial-author {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .testimonial-card .author-avatar {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-weight: 700;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .testimonial-card .author-info .author-name {
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-text);
        }

        .testimonial-card .author-info .author-role {
            font-size: 0.78rem;
            color: var(--color-text-muted);
        }

        @media (max-width: 1024px) {
            .testimonial-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 600px) {
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ============ FAQ ============ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: var(--spacing-sm);
        }

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

        .faq-item:hover {
            border-color: var(--color-border);
            box-shadow: var(--shadow-sm);
        }

        .faq-item .faq-question {
            width: 100%;
            background: none;
            padding: var(--spacing-md) var(--spacing-lg);
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            text-align: left;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--spacing-sm);
            cursor: pointer;
            border: none;
            transition: color var(--transition-fast);
        }

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

        .faq-item .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.8rem;
            transition: all var(--transition-base);
            color: var(--color-text-secondary);
        }

        .faq-item.is-open .faq-question .faq-icon {
            background: var(--color-primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 var(--spacing-lg);
        }

        .faq-item.is-open .faq-answer {
            max-height: 600px;
            padding: 0 var(--spacing-lg) var(--spacing-md);
        }

        .faq-item .faq-answer p {
            color: var(--color-text-secondary);
            font-size: 0.93rem;
            line-height: 1.7;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 60%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: var(--spacing-2xl);
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            pointer-events: none;
        }

        .cta-section h2 {
            color: #fff;
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: var(--spacing-sm);
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.82);
            font-size: 1.05rem;
            margin-bottom: var(--spacing-lg);
            position: relative;
            z-index: 1;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 32px;
            border-radius: 30px;
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
            box-shadow: 0 4px 18px rgba(200, 150, 62, 0.4);
        }

        .btn-cta:hover {
            background: var(--color-accent-light);
            box-shadow: 0 6px 26px rgba(200, 150, 62, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 28px;
            border-radius: 30px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            letter-spacing: 0.02em;
            margin-left: var(--spacing-sm);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            color: #fff;
        }

        @media (max-width: 520px) {
            .cta-section {
                padding: var(--spacing-xl) var(--spacing-md);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .btn-cta,
            .btn-outline-light {
                display: block;
                width: 100%;
                justify-content: center;
                margin: var(--spacing-sm) 0;
            }
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-bg-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: var(--spacing-2xl) 0 var(--spacing-md);
            margin-top: var(--spacing-2xl);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: var(--spacing-xl);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 var(--spacing-md);
        }

        .footer-logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: var(--spacing-sm);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.6);
            max-width: 380px;
        }

        .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: var(--spacing-sm);
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: var(--spacing-xl);
            padding-top: var(--spacing-md);
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            max-width: var(--max-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: var(--spacing-md);
            padding-right: var(--spacing-md);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--spacing-lg);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--spacing-md);
            }
        }

        /* ============ 通用按钮 ============ */
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: 26px;
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

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

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-bg-white);
            color: var(--color-primary);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 12px 26px;
            border-radius: 26px;
            border: 2px solid var(--color-border);
            transition: all var(--transition-base);
            letter-spacing: 0.02em;
        }

        .btn-secondary:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: var(--color-bg-light);
            transform: translateY(-2px);
        }

        /* ============ 辅助工具类 ============ */
        .text-center {
            text-align: center;
        }
        .mt-lg {
            margin-top: var(--spacing-lg);
        }
        .mt-xl {
            margin-top: var(--spacing-xl);
        }
        .mb-lg {
            margin-bottom: var(--spacing-lg);
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a365d;
            --color-primary-light: #2c5282;
            --color-accent: #c8a45c;
            --color-accent-light: #d4b87a;
            --color-accent-dark: #a8843e;
            --color-bg: #ffffff;
            --color-bg-alt: #f5f6f8;
            --color-bg-card: #ffffff;
            --color-bg-dark: #1a2035;
            --color-text: #2d3748;
            --color-text-light: #5a6577;
            --color-text-muted: #8895a7;
            --color-text-on-dark: #e8eaef;
            --color-border: #e2e6ed;
            --color-border-light: #edf0f4;
            --color-success: #38a169;
            --color-warning: #dd6b20;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.16);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-stack: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --max-content-width: 1200px;
            --nav-channel-height: 48px;
        }

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

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

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            min-width: 320px;
        }

        a {
            color: var(--color-primary-light);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
            text-decoration: none;
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 3px;
        }

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

        button,
        input,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        .container {
            max-width: var(--max-content-width);
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
            width: 100%;
        }

        /* ========== HEADER ========== */
        .site-header {
            background: #ffffff;
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 0 var(--color-border-light), 0 2px 8px rgba(0, 0, 0, 0.04);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            gap: 16px;
        }
        .header-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .header-logo:hover {
            color: var(--color-primary-light);
        }
        .header-logo .logo-icon {
            font-size: 1.6rem;
            color: var(--color-accent);
            flex-shrink: 0;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .btn-header-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 8px 18px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            text-decoration: none;
        }
        .btn-header-cta:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .header-search-toggle {
            background: none;
            border: none;
            font-size: 1.2rem;
            color: var(--color-text-light);
            cursor: pointer;
            padding: 6px;
            border-radius: 50%;
            transition: all var(--transition-fast);
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
        }
        .header-search-toggle:hover {
            color: var(--color-primary);
            background: var(--color-bg-alt);
        }

        /* 频道导航行 */
        .nav-channel-row {
            background: var(--color-primary);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-channel-inner {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            padding: 0;
            min-height: var(--nav-channel-height);
            flex-wrap: nowrap;
            white-space: nowrap;
        }
        .nav-channel-inner::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-inner .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 10px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.82);
            text-decoration: none;
            border-radius: 6px;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.01em;
            flex-shrink: 0;
        }
        .nav-channel-inner .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        .nav-channel-inner .nav-link.active {
            color: #fff;
            background: rgba(255, 255, 255, 0.16);
            font-weight: 600;
            box-shadow: inset 0 -3px 0 var(--color-accent);
        }
        .nav-channel-inner .nav-link .nav-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            font-size: 0.7rem;
            padding: 2px 7px;
            border-radius: 10px;
            margin-left: 5px;
            font-weight: 600;
            letter-spacing: 0.03em;
        }

        /* 移动端汉堡菜单 */
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-text);
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-nav-toggle:hover {
            background: var(--color-bg-alt);
        }

        /* ========== PAGE BANNER ========== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, #1a365d 0%, #0f2440 40%, #1a3c5e 100%);
            background-image: url('assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center 30%;
            background-blend-mode: overlay;
            padding: 64px 0 60px;
            color: #fff;
            text-align: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 28, 50, 0.55);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 5px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            margin: 0 0 14px;
            letter-spacing: 0.02em;
            line-height: 1.25;
            color: #fff;
        }
        .page-banner .banner-subtitle {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin: 0 auto 8px;
            line-height: 1.6;
        }
        .page-banner .banner-desc {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 720px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .breadcrumb-row {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .breadcrumb-row a {
            color: rgba(255, 255, 255, 0.8);
            text-decoration: none;
        }
        .breadcrumb-row a:hover {
            color: #fff;
        }
        .breadcrumb-row .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        /* ========== SECTION COMMON ========== */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-dark {
            background: var(--color-bg-dark);
            color: var(--color-text-on-dark);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 10px;
            letter-spacing: 0.02em;
        }
        .section-header .section-subtitle {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        .section-dark .section-header h2 {
            color: #fff;
        }
        .section-dark .section-header .section-subtitle {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ========== STATS CARDS ========== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-accent-light);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
            display: block;
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            line-height: 1.2;
        }
        .stat-card .stat-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            font-weight: 500;
        }
        .stat-card .stat-trend {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 12px;
            margin-top: 8px;
        }
        .stat-trend.up {
            background: #e6f7ee;
            color: #1a7a3a;
        }
        .stat-trend.stable {
            background: #fff8e6;
            color: #b07a1a;
        }

        /* ========== SEARCH / QUERY AREA ========== */
        .query-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
            max-width: 860px;
            margin: 0 auto;
        }
        .query-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 20px;
            text-align: center;
        }
        .query-form-row {
            display: flex;
            gap: 14px;
            align-items: flex-end;
            flex-wrap: wrap;
            justify-content: center;
        }
        .query-form-row .form-group {
            flex: 1;
            min-width: 180px;
        }
        .query-form-row label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-text-light);
            margin-bottom: 5px;
            letter-spacing: 0.02em;
        }
        .query-form-row select,
        .query-form-row input {
            width: 100%;
            padding: 11px 14px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-md);
            font-size: 0.95rem;
            color: var(--color-text);
            background: #fff;
            transition: all var(--transition-fast);
            appearance: none;
            -webkit-appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%238895a7' stroke-width='1.8' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 14px center;
            padding-right: 36px;
        }
        .query-form-row select:focus,
        .query-form-row input:focus {
            outline: none;
            border-color: var(--color-accent);
            box-shadow: 0 0 0 3px rgba(200, 164, 92, 0.15);
        }
        .btn-query {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .btn-query:hover {
            background: var(--color-primary-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-query:active {
            transform: scale(0.97);
        }

        /* ========== MATCHUP CARDS ========== */
        .matchup-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 22px;
        }
        .matchup-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
        }
        .matchup-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--color-accent-light);
        }
        .matchup-card .card-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: #e8ecf1;
        }
        .matchup-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .matchup-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .matchup-card .card-img-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26, 54, 93, 0.88);
            color: #fff;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .matchup-card .card-body {
            padding: 18px 16px 16px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .matchup-card .matchup-teams {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 8px;
            letter-spacing: 0.02em;
        }
        .matchup-card .matchup-meta {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin: 0 0 12px;
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .matchup-card .matchup-meta span {
            background: var(--color-bg-alt);
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.8rem;
            white-space: nowrap;
        }
        .matchup-card .matchup-record {
            display: flex;
            gap: 14px;
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .matchup-card .matchup-record .rec-item {
            text-align: center;
            flex: 1;
            min-width: 50px;
        }
        .matchup-card .matchup-record .rec-val {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary);
        }
        .matchup-card .matchup-record .rec-lbl {
            font-size: 0.72rem;
            color: var(--color-text-muted);
        }
        .matchup-card .btn-card-sm {
            display: inline-block;
            text-align: center;
            background: transparent;
            color: var(--color-accent-dark);
            border: 1.5px solid var(--color-accent);
            padding: 8px 16px;
            border-radius: 20px;
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            margin-top: auto;
            letter-spacing: 0.02em;
        }
        .matchup-card .btn-card-sm:hover {
            background: var(--color-accent);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        /* ========== HISTORY TABLE-LIKE LIST ========== */
        .history-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .history-list li {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .history-list li:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--color-accent-light);
        }
        .history-list .hl-date {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.9rem;
            min-width: 80px;
            text-align: center;
        }
        .history-list .hl-matchup {
            flex: 1;
            min-width: 140px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            letter-spacing: 0.02em;
        }
        .history-list .hl-score {
            font-weight: 700;
            font-size: 1.15rem;
            color: var(--color-primary);
            min-width: 60px;
            text-align: center;
            letter-spacing: 0.04em;
        }
        .history-list .hl-venue {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            min-width: 70px;
            text-align: center;
        }
        .history-list .hl-tag {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .hl-tag.win {
            background: #e6f7ee;
            color: #1a7a3a;
        }
        .hl-tag.draw {
            background: #fff8e6;
            color: #b07a1a;
        }
        .hl-tag.loss {
            background: #fde8e8;
            color: #b91c1c;
        }

        /* ========== GUIDE CARDS ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }
        .guide-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all var(--transition-base);
        }
        .guide-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .guide-card .guide-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            flex-shrink: 0;
            width: 50px;
            text-align: center;
        }
        .guide-card .guide-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 6px;
        }
        .guide-card .guide-content p {
            font-size: 0.9rem;
            color: var(--color-text-light);
            margin: 0;
            line-height: 1.6;
        }

        /* ========== ACCORDION / FAQ ========== */
        .faq-accordion {
            max-width: 800px;
            margin: 0 auto;
            list-style: none;
            padding: 0;
        }
        .faq-accordion .accordion-item {
            margin-bottom: 10px;
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            background: #fff;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-item:hover {
            border-color: var(--color-accent-light);
        }
        .faq-accordion .accordion-title {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-primary);
            cursor: pointer;
            background: #fff;
            border: none;
            width: 100%;
            text-align: left;
            transition: background var(--transition-fast);
            letter-spacing: 0.01em;
            gap: 12px;
        }
        .faq-accordion .accordion-title:hover {
            background: var(--color-bg-alt);
        }
        .faq-accordion .accordion-title .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-fast);
            color: var(--color-accent);
            font-size: 1rem;
        }
        .faq-accordion .accordion-item.is-open .accordion-title .faq-icon {
            transform: rotate(180deg);
        }
        .faq-accordion .accordion-content {
            display: none;
            padding: 0 20px 18px;
            font-size: 0.92rem;
            color: var(--color-text-light);
            line-height: 1.75;
        }
        .faq-accordion .accordion-item.is-open .accordion-content {
            display: block;
        }
        .faq-accordion .accordion-item.is-open {
            border-color: var(--color-accent-light);
            box-shadow: var(--shadow-md);
        }

        /* ========== CTA ========== */
        .cta-section {
            text-align: center;
            padding: 56px 0;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--color-primary);
            margin: 0 0 12px;
            letter-spacing: 0.02em;
        }
        .cta-section p {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            border: none;
            padding: 13px 32px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.03em;
        }
        .btn-cta-primary:hover {
            background: var(--color-accent-dark);
            color: #fff;
            box-shadow: var(--shadow-lg);
            transform: translateY(-2px);
        }
        .btn-cta-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-decoration: none;
            letter-spacing: 0.02em;
            margin-left: 12px;
        }
        .btn-cta-outline:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #1a2035;
            color: rgba(255, 255, 255, 0.75);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            max-width: var(--max-content-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            margin: 0;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 14px;
            letter-spacing: 0.03em;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 5px 0;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            max-width: var(--max-content-width);
            margin: 32px auto 0;
            padding: 18px 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
            letter-spacing: 0.02em;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .matchup-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .guide-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .page-banner h1 {
                font-size: 2.1rem;
            }
            .history-list li {
                gap: 10px;
                padding: 14px;
            }
            .history-list .hl-date {
                min-width: 60px;
                font-size: 0.8rem;
            }
            .history-list .hl-matchup {
                font-size: 0.9rem;
                min-width: 100px;
            }
            .history-list .hl-score {
                font-size: 1rem;
                min-width: 45px;
            }
        }
        @media (max-width: 768px) {
            .header-brand-row {
                padding: 10px 0;
            }
            .header-logo {
                font-size: 1.15rem;
            }
            .header-logo .logo-icon {
                font-size: 1.3rem;
            }
            .btn-header-cta {
                padding: 6px 14px;
                font-size: 0.8rem;
                border-radius: 16px;
            }
            .header-search-toggle {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .nav-channel-inner {
                gap: 2px;
            }
            .nav-channel-inner .nav-link {
                padding: 8px 11px;
                font-size: 0.8rem;
                border-radius: 4px;
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .page-banner {
                padding: 44px 0 40px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-subtitle {
                font-size: 1rem;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.6rem;
            }
            .matchup-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .matchup-card .card-img-wrap {
                height: 140px;
            }
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .query-form-row {
                flex-direction: column;
                gap: 10px;
            }
            .query-form-row .form-group {
                min-width: 100%;
            }
            .query-card {
                padding: 24px 18px;
            }
            .history-list li {
                flex-direction: column;
                align-items: flex-start;
                gap: 6px;
                padding: 12px 14px;
            }
            .history-list .hl-date,
            .history-list .hl-venue {
                text-align: left;
                min-width: auto;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .btn-cta-outline {
                margin-left: 0;
                margin-top: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
                text-align: center;
            }
            .footer-brand p {
                max-width: 100%;
            }
            .section {
                padding: 36px 0;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .section-header h2 {
                font-size: 1.45rem;
            }
        }
        @media (max-width: 520px) {
            .page-banner h1 {
                font-size: 1.4rem;
            }
            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }
            .page-banner .banner-desc {
                font-size: 0.82rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .stat-card {
                padding: 16px 10px;
                border-radius: var(--radius-md);
            }
            .stat-card .stat-number {
                font-size: 1.35rem;
            }
            .stat-card .stat-icon {
                font-size: 1.5rem;
            }
            .matchup-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .matchup-card .card-img-wrap {
                height: 170px;
            }
            .matchup-card .matchup-teams {
                font-size: 1rem;
            }
            .nav-channel-inner .nav-link {
                padding: 7px 9px;
                font-size: 0.75rem;
            }
            .btn-header-cta {
                font-size: 0.75rem;
                padding: 5px 10px;
            }
            .header-logo {
                font-size: 1rem;
            }
            .query-card {
                padding: 18px 12px;
                border-radius: var(--radius-md);
            }
            .query-card h3 {
                font-size: 1.1rem;
            }
            .btn-query {
                width: 100%;
                justify-content: center;
            }
            .faq-accordion .accordion-title {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-accordion .accordion-content {
                font-size: 0.85rem;
                padding: 0 16px 14px;
            }
            .container {
                padding-left: 14px;
                padding-right: 14px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #1B2A4A;
            --color-primary-light: #253D6B;
            --color-accent: #C8963E;
            --color-accent-light: #D9B05C;
            --color-accent-dark: #A67A2E;
            --color-highlight: #1A6B4A;
            --color-bg: #F7F6F3;
            --color-bg-warm: #F0EDE6;
            --color-bg-dark: #141E30;
            --color-card: #FFFFFF;
            --color-text: #1a1a1a;
            --color-text-secondary: #5A5A5A;
            --color-text-muted: #7D7D7D;
            --color-text-light: #9CA3AF;
            --color-border: #E5E4E0;
            --color-border-light: #F0EFEC;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12);
            --space-xs: 0.5rem;
            --space-sm: 1rem;
            --space-md: 1.5rem;
            --space-lg: 2.5rem;
            --space-xl: 4rem;
            --space-2xl: 6rem;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.5s ease;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-body);
            color: var(--color-text);
            background-color: var(--color-bg);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            overflow-x: hidden;
            font-size: 16px;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        a:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            line-height: 1.3;
            color: var(--color-primary);
            margin: 0 0 0.75rem;
        }

        h1 {
            font-size: clamp(2rem, 4vw, 3rem);
        }
        h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            letter-spacing: -0.02em;
        }
        h3 {
            font-size: clamp(1.2rem, 2vw, 1.5rem);
        }
        h4 {
            font-size: 1.15rem;
        }

        p {
            margin: 0 0 1rem;
            color: var(--color-text-secondary);
        }
        p:last-child {
            margin-bottom: 0;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-md);
        }

        /* ========== HEADER ========== */
        .site-header {
            background: #fff;
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-sm);
        }
        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: var(--space-sm) var(--space-md);
            max-width: 1200px;
            margin: 0 auto;
            flex-wrap: wrap;
            gap: var(--space-sm);
        }
        .brand-logo {
            font-family: var(--font-heading);
            font-size: 1.55rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        .brand-logo .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            border-radius: var(--radius-sm);
            color: #fff;
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .brand-logo:hover {
            color: var(--color-primary-light);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: var(--space-sm);
        }
        .btn-header-cta {
            display: inline-block;
            padding: 0.55rem 1.3rem;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            border: none;
        }
        .btn-header-cta:hover {
            background: var(--color-accent-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            padding: 0.5rem 0.7rem;
            font-size: 1.3rem;
            color: var(--color-primary);
            line-height: 1;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .mobile-menu-toggle:hover {
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* 频道导航行 */
        .nav-channel-wrapper {
            background: var(--color-bg-warm);
            border-top: 1px solid var(--color-border-light);
            padding: 0 var(--space-md);
        }
        .nav-channel-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 0.15rem;
            flex-wrap: wrap;
            padding: 0.35rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-channel-inner::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-inner .nav-link {
            display: inline-block;
            padding: 0.6rem 1.15rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-text-secondary);
            border-radius: 50px;
            white-space: nowrap;
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }
        .nav-channel-inner .nav-link:hover {
            color: var(--color-primary);
            background: rgba(27, 42, 74, 0.05);
        }
        .nav-channel-inner .nav-link.active {
            color: #fff;
            background: var(--color-primary);
            box-shadow: var(--shadow-sm);
        }
        .nav-channel-inner .nav-link.active:hover {
            background: var(--color-primary-light);
            color: #fff;
        }

        /* ========== 页面Banner ========== */
        .page-banner {
            position: relative;
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            min-height: 340px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(27, 42, 74, 0.88) 0%, rgba(20, 30, 48, 0.78) 100%);
            z-index: 1;
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 1200px;
            margin: 0 auto;
            padding: var(--space-xl) var(--space-md);
            width: 100%;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: var(--space-sm);
        }
        .page-banner h1 {
            color: #fff;
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            margin-bottom: 0.6rem;
            letter-spacing: -0.02em;
        }
        .page-banner .banner-desc {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            max-width: 620px;
            line-height: 1.7;
        }
        .breadcrumb-row {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: var(--space-sm);
            flex-wrap: wrap;
        }
        .breadcrumb-row a {
            color: rgba(255, 255, 255, 0.85);
            transition: color var(--transition-fast);
        }
        .breadcrumb-row a:hover {
            color: var(--color-accent-light);
        }
        .breadcrumb-row .sep {
            color: rgba(255, 255, 255, 0.45);
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: var(--space-2xl) 0;
        }
        .section-block.bg-warm {
            background: var(--color-bg-warm);
        }
        .section-block.bg-white {
            background: #fff;
        }
        .section-block.bg-dark {
            background: var(--color-bg-dark);
            color: #fff;
        }
        .section-block.bg-dark h2,
        .section-block.bg-dark h3,
        .section-block.bg-dark h4 {
            color: #fff;
        }
        .section-block.bg-dark p {
            color: rgba(255, 255, 255, 0.75);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--space-xl);
        }
        .section-header .section-tag {
            display: inline-block;
            background: rgba(200, 150, 62, 0.12);
            color: var(--color-accent-dark);
            padding: 0.3rem 1rem;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            margin-bottom: var(--space-xs);
        }
        .section-header h2 {
            margin-bottom: 0.4rem;
        }
        .section-header .section-subtitle {
            color: var(--color-text-muted);
            font-size: 1.05rem;
            max-width: 550px;
            margin: 0 auto;
        }

        /* ========== 策略卡片 ========== */
        .strategy-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-normal);
            height: 100%;
            display: flex;
            flex-direction: column;
            border: 1px solid var(--color-border-light);
        }
        .strategy-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }
        .strategy-card .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: var(--color-bg-warm);
        }
        .strategy-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .strategy-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .strategy-card .card-img-wrap .card-num {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-accent);
            color: #fff;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1rem;
            z-index: 2;
            box-shadow: var(--shadow-md);
        }
        .strategy-card .card-body {
            padding: var(--space-md);
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .strategy-card .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 0.5rem;
        }
        .strategy-card .card-body p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            flex: 1;
        }
        .strategy-card .card-body .card-link {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--color-accent-dark);
            margin-top: var(--space-sm);
            transition: gap var(--transition-fast);
        }
        .strategy-card .card-body .card-link:hover {
            gap: 0.6rem;
            color: var(--color-accent);
        }

        /* ========== 深度解析区 ========== */
        .insight-block {
            display: flex;
            align-items: center;
            gap: var(--space-xl);
            flex-wrap: wrap;
        }
        .insight-block.reverse {
            flex-direction: row-reverse;
        }
        .insight-block .insight-img {
            flex: 1 1 400px;
            min-width: 280px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .insight-block .insight-img img {
            width: 100%;
            height: auto;
            display: block;
        }
        .insight-block .insight-text {
            flex: 1 1 350px;
            min-width: 280px;
        }
        .insight-block .insight-text h3 {
            margin-bottom: 0.8rem;
        }
        .insight-block .insight-text .highlight-tip {
            background: rgba(200, 150, 62, 0.08);
            border-left: 4px solid var(--color-accent);
            padding: var(--space-sm) var(--space-md);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: var(--space-md) 0;
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.95rem;
        }

        /* ========== 对比表格区 ========== */
        .compare-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: #fff;
            min-width: 700px;
        }
        .compare-table thead th {
            background: var(--color-primary);
            color: #fff;
            padding: 1rem 1.2rem;
            text-align: center;
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
        }
        .compare-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
            padding-left: 1.5rem;
        }
        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table tbody td {
            padding: 0.9rem 1.2rem;
            border-bottom: 1px solid var(--color-border-light);
            text-align: center;
            font-size: 0.9rem;
        }
        .compare-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--color-primary);
            padding-left: 1.5rem;
        }
        .compare-table tbody tr:last-child td:first-child {
            border-radius: 0 0 0 var(--radius-lg);
        }
        .compare-table tbody tr:last-child td:last-child {
            border-radius: 0 0 var(--radius-lg) 0;
        }
        .compare-table tbody tr:hover {
            background: var(--color-bg-warm);
        }
        .compare-table .badge-rec {
            display: inline-block;
            background: var(--color-highlight);
            color: #fff;
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
        }
        .compare-table .badge-cau {
            display: inline-block;
            background: #F59E0B;
            color: #fff;
            padding: 0.2rem 0.7rem;
            border-radius: 50px;
            font-size: 0.78rem;
            font-weight: 700;
        }

        /* ========== 步骤列表 ========== */
        .steps-list {
            list-style: none;
            padding: 0;
            margin: 0;
            counter-reset: step-counter;
        }
        .steps-list li {
            counter-increment: step-counter;
            display: flex;
            gap: var(--space-md);
            padding: var(--space-md) 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
        }
        .steps-list li:last-child {
            border-bottom: none;
        }
        .steps-list .step-num {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
        }
        .steps-list .step-content h4 {
            margin-bottom: 0.3rem;
        }
        .steps-list .step-content p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: var(--space-sm);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: var(--space-md);
            text-align: left;
            font-weight: 700;
            font-size: 1.05rem;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: var(--space-sm);
            cursor: pointer;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--color-accent-dark);
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            transition: transform var(--transition-normal);
            font-size: 0.85rem;
            color: var(--color-accent);
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-normal), padding var(--transition-normal);
            padding: 0 var(--space-md);
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 var(--space-md) var(--space-md);
        }
        .faq-answer p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.8;
        }

        /* ========== CTA ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-xl);
            padding: var(--space-xl);
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: rgba(255, 255, 255, 0.04);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-block h2 {
            color: #fff;
            margin-bottom: 0.6rem;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 500px;
            margin: 0 auto var(--space-md);
            position: relative;
            z-index: 1;
        }
        .btn-cta-lg {
            display: inline-block;
            padding: 0.85rem 2.2rem;
            background: var(--color-accent);
            color: #fff;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.05rem;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            border: none;
            letter-spacing: 0.02em;
        }
        .btn-cta-lg:hover {
            background: var(--color-accent-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 150, 62, 0.4);
        }

        /* ========== 统计卡片 ========== */
        .stat-card-mini {
            background: #fff;
            border-radius: var(--radius-md);
            padding: var(--space-md);
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .stat-card-mini:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card-mini .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--color-accent-dark);
            letter-spacing: -0.03em;
            line-height: 1;
        }
        .stat-card-mini .stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 0.35rem;
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: var(--space-xl) var(--space-md) var(--space-md);
            margin-top: 0;
        }
        .footer-grid {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: var(--space-xl);
            padding-bottom: var(--space-lg);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .footer-brand .footer-logo {
            font-family: var(--font-heading);
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 0.6rem;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 0.8rem;
            font-weight: 700;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 0.3rem 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            max-width: 1200px;
            margin: var(--space-md) auto 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: var(--space-lg);
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .insight-block {
                gap: var(--space-lg);
            }
            .nav-channel-inner .nav-link {
                padding: 0.5rem 0.9rem;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-channel-wrapper {
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-normal);
                padding: 0;
            }
            .nav-channel-wrapper.mobile-open {
                max-height: 500px;
                padding: 0 var(--space-sm);
                border-top: 1px solid var(--color-border-light);
            }
            .nav-channel-inner {
                flex-direction: column;
                align-items: stretch;
                gap: 0.2rem;
                padding: var(--space-sm) 0;
            }
            .nav-channel-inner .nav-link {
                text-align: center;
                border-radius: var(--radius-sm);
                padding: 0.7rem 1rem;
            }
            .page-banner {
                min-height: 260px;
            }
            .page-banner h1 {
                font-size: 1.7rem;
            }
            .page-banner .banner-desc {
                font-size: 0.95rem;
            }
            .section-block {
                padding: var(--space-xl) 0;
            }
            .insight-block,
            .insight-block.reverse {
                flex-direction: column;
            }
            .insight-block .insight-img {
                flex: 1 1 auto;
                min-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: var(--space-md);
            }
            .compare-table-wrap {
                border-radius: var(--radius-md);
            }
            .compare-table {
                min-width: 600px;
            }
            .compare-table thead th,
            .compare-table tbody td {
                padding: 0.6rem 0.8rem;
                font-size: 0.8rem;
            }
            .stat-card-mini .stat-number {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .header-brand-row {
                padding: var(--space-xs) var(--space-sm);
            }
            .brand-logo {
                font-size: 1.25rem;
            }
            .brand-logo .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 1rem;
            }
            .btn-header-cta {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
            .page-banner {
                min-height: 220px;
            }
            .page-banner h1 {
                font-size: 1.45rem;
            }
            .page-banner .banner-desc {
                font-size: 0.88rem;
            }
            .section-header h2 {
                font-size: 1.4rem;
            }
            .cta-block {
                padding: var(--space-lg) var(--space-md);
            }
            .cta-block h2 {
                font-size: 1.3rem;
            }
            .btn-cta-lg {
                padding: 0.7rem 1.6rem;
                font-size: 0.95rem;
            }
            .strategy-card .card-body h3 {
                font-size: 1.05rem;
            }
            .steps-list li {
                flex-direction: column;
                gap: var(--space-xs);
            }
            .steps-list .step-num {
                width: 38px;
                height: 38px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 400px) {
            .page-banner {
                min-height: 200px;
            }
            .page-banner h1 {
                font-size: 1.3rem;
            }
            .container-custom {
                padding: 0 var(--space-sm);
            }
        }

        /* Foundation覆盖 */
        .row {
            max-width: 1200px;
        }
        .row.collapse>.columns {
            padding-left: 0;
            padding-right: 0;
        }
        @media (max-width: 768px) {
            .row .columns {
                margin-bottom: var(--space-md);
            }
            .row .columns:last-child {
                margin-bottom: 0;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a3c6e;
            --color-primary-light: #234b85;
            --color-accent: #c8923a;
            --color-accent-light: #e0b45f;
            --color-bg: #fafaf8;
            --color-bg-alt: #f1f0ec;
            --color-surface: #ffffff;
            --color-text: #1e1e1e;
            --color-text-weak: #5c5c5c;
            --color-text-muted: #888888;
            --color-border: #e2dfd8;
            --color-border-light: #edeae4;
            --color-success: #2e7d4f;
            --color-warning: #b85c1a;
            --color-danger: #c0392b;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 3px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 20px rgba(0, 0, 0, 0.09);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.15);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --max-width: 1240px;
            --nav-height: 64px;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            margin: 0;
            line-height: 1.3;
            color: var(--color-text);
        }

        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header */
        .site-header {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-xs);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
            height: var(--nav-height);
        }
        .header-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.3rem;
            color: var(--color-primary);
            white-space: nowrap;
        }
        .header-brand i {
            color: var(--color-accent);
            font-size: 1.5rem;
        }
        .header-brand:hover {
            color: var(--color-primary);
        }

        /* Channel Nav */
        .nav-channel-outer {
            background: var(--color-surface);
            border-bottom: 1px solid var(--color-border-light);
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-channel-outer::-webkit-scrollbar {
            display: none;
        }
        .nav-channel-inner {
            display: flex;
            gap: 2px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
            flex-wrap: nowrap;
            white-space: nowrap;
        }
        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 13px 18px;
            font-size: 0.93rem;
            font-weight: 500;
            color: var(--color-text-weak);
            border-bottom: 3px solid transparent;
            transition: color var(--transition-fast), border-color var(--transition-fast), background var(--transition-fast);
            position: relative;
            white-space: nowrap;
            letter-spacing: 0.02em;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: rgba(26, 60, 110, 0.03);
        }
        .nav-link.active {
            color: var(--color-primary);
            font-weight: 700;
            border-bottom-color: var(--color-accent);
            background: rgba(200, 146, 58, 0.04);
        }
        .nav-link .nav-icon {
            margin-right: 6px;
            font-size: 0.85rem;
            opacity: 0.7;
        }

        /* Page Hero */
        .page-hero {
            position: relative;
            padding: 72px 24px 64px;
            text-align: center;
            background: linear-gradient(170deg, #1a2d4a 0%, #1a3c6e 40%, #1e4a7a 100%);
            color: #ffffff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, transparent 30%, rgba(0, 0, 0, 0.45) 100%);
            z-index: 1;
        }
        .page-hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
            margin: 0 auto;
        }
        .page-hero .hero-badge {
            display: inline-block;
            padding: 8px 18px;
            background: rgba(255, 255, 255, 0.13);
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            font-size: 0.88rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            color: var(--color-accent-light);
            margin-bottom: 20px;
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 16px;
            letter-spacing: 0.03em;
            line-height: 1.25;
        }
        .page-hero .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            max-width: 600px;
            margin: 0 auto 28px;
        }
        .hero-stats-row {
            display: flex;
            gap: 36px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 20px;
        }
        .hero-stat-item {
            text-align: center;
            min-width: 80px;
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent-light);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* Section */
        .section {
            padding: 56px 0;
        }
        .section-alt {
            background: var(--color-bg-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 520px;
            margin: 0 auto;
        }
        .section-header .section-divider {
            width: 48px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 3px;
            margin: 14px auto 0;
        }

        /* Cards */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            transition: box-shadow var(--transition-base), transform var(--transition-base);
            border: 1px solid var(--color-border-light);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-icon.blue {
            background: #e8eef7;
            color: var(--color-primary);
        }
        .card-icon.gold {
            background: #fdf3e2;
            color: var(--color-accent);
        }
        .card-icon.green {
            background: #e6f0ea;
            color: var(--color-success);
        }
        .card-icon.red {
            background: #fdeaea;
            color: var(--color-danger);
        }
        .card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .card p {
            font-size: 0.93rem;
            color: var(--color-text-weak);
            line-height: 1.65;
            margin: 0;
            flex-grow: 1;
        }
        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--color-bg-alt);
            border-radius: 50px;
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-top: 12px;
            font-weight: 500;
        }

        /* Rule Detail Block */
        .rule-detail-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .rule-detail-block .rule-image-wrap {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            aspect-ratio: 4/3;
        }
        .rule-detail-block .rule-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .rule-text h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .rule-text p {
            font-size: 0.98rem;
            color: var(--color-text-weak);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .rule-text .highlight-box {
            background: #fdf8ef;
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            padding: 14px 18px;
            font-size: 0.93rem;
            color: #7a4e1a;
            margin-top: 12px;
            line-height: 1.6;
        }

        /* Steps */
        .steps-list {
            display: flex;
            gap: 0;
            counter-reset: step;
            flex-wrap: wrap;
            justify-content: center;
        }
        .step-item {
            flex: 1;
            min-width: 200px;
            max-width: 280px;
            text-align: center;
            padding: 28px 18px 20px;
            position: relative;
            counter-increment: step;
        }
        .step-item::after {
            content: '';
            position: absolute;
            top: 52px;
            right: -20px;
            width: 40px;
            height: 2px;
            background: var(--color-border);
        }
        .step-item:last-child::after {
            display: none;
        }
        .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            position: relative;
            z-index: 2;
        }
        .step-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .step-item p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            line-height: 1.55;
        }

        /* Warning Cards */
        .warning-card {
            background: #fffdf7;
            border: 1px solid #f0e4c8;
            border-left: 5px solid var(--color-warning);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            margin-bottom: 14px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .warning-card .warn-icon {
            font-size: 1.4rem;
            color: var(--color-warning);
            flex-shrink: 0;
            margin-top: 2px;
        }
        .warning-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #6b3a0a;
            margin-bottom: 4px;
        }
        .warning-card p {
            font-size: 0.9rem;
            color: #7a5a3a;
            margin: 0;
            line-height: 1.6;
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: box-shadow var(--transition-fast);
            cursor: pointer;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
        }
        .faq-question i {
            transition: transform var(--transition-base);
            color: var(--color-accent);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--color-text-weak);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(160deg, #1a3c6e 0%, #1e5088 100%);
            padding: 56px 24px;
            text-align: center;
            color: #fff;
            border-radius: 0;
        }
        .cta-section h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 500px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            border: none;
            font-family: inherit;
        }
        .btn-primary {
            background: var(--color-accent);
            color: #fff;
        }
        .btn-primary:hover {
            background: #d99b3f;
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #fff;
            color: #fff;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
        }

        /* Info list */
        .info-tile {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            border: 1px solid var(--color-border-light);
            display: flex;
            align-items: flex-start;
            gap: 14px;
            transition: box-shadow var(--transition-fast);
        }
        .info-tile:hover {
            box-shadow: var(--shadow-sm);
        }
        .info-tile .tile-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--color-accent);
            flex-shrink: 0;
            margin-top: 6px;
        }
        .info-tile h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .info-tile p {
            font-size: 0.9rem;
            color: var(--color-text-weak);
            margin: 0;
            line-height: 1.55;
        }

        /* Footer */
        .site-footer {
            background: #1a1f28;
            color: #c5c5c5;
            padding: 48px 24px 28px;
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 36px;
            max-width: var(--max-width);
            margin: 0 auto 32px;
        }
        .footer-logo {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            color: #a0a0a0;
            line-height: 1.6;
            margin: 0;
        }
        .footer-col h5 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            color: #a0a0a0;
            padding: 5px 0;
            font-size: 0.88rem;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-accent-light);
        }
        .footer-bottom {
            text-align: center;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            max-width: var(--max-width);
            margin: 0 auto;
            color: #777;
            font-size: 0.82rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .rule-detail-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .rule-detail-block .rule-image-wrap {
                order: -1;
                max-height: 300px;
            }
            .page-hero h1 {
                font-size: 2.1rem;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
            .step-item::after {
                right: -12px;
                width: 24px;
            }
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 48px 16px 40px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-desc {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .section {
                padding: 36px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .card {
                padding: 20px 16px;
            }
            .steps-list {
                flex-direction: column;
                align-items: center;
            }
            .step-item {
                max-width: 100%;
            }
            .step-item::after {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .nav-link {
                padding: 11px 13px;
                font-size: 0.82rem;
            }
            .header-inner {
                padding: 0 14px;
            }
            .header-brand {
                font-size: 1.1rem;
            }
            .info-tile {
                flex-direction: column;
                gap: 8px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.4rem;
            }
            .page-hero .hero-desc {
                font-size: 0.88rem;
            }
            .hero-stats-row {
                gap: 12px;
            }
            .hero-stat-num {
                font-size: 1.2rem;
            }
            .hero-stat-label {
                font-size: 0.72rem;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .card {
                padding: 16px 14px;
            }
            .card h3 {
                font-size: 1rem;
            }
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 0.85rem;
            }
            .nav-channel-inner {
                gap: 0;
                padding: 0 8px;
            }
            .nav-link {
                padding: 10px 10px;
                font-size: 0.76rem;
            }
        }

/* roulang page: category5 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #1a3c5e;
            --color-primary-dark: #0f2a42;
            --color-primary-light: #2a5175;
            --color-accent: #c8963e;
            --color-accent-light: #d9b065;
            --color-accent-dark: #a67a2e;
            --color-bg: #ffffff;
            --color-bg-alt: #f6f7f9;
            --color-bg-dark: #1a1f2b;
            --color-bg-card: #ffffff;
            --color-text: #2c2c2c;
            --color-text-strong: #1a1a1a;
            --color-text-weak: #6b7280;
            --color-text-light: #9ca3af;
            --color-border: #e5e7eb;
            --color-border-light: #f0f1f3;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --color-danger: #ef4444;
            --color-live: #e53e3e;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.10), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --transition-slow: 0.40s ease;
            --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container-max: 1200px;
            --nav-height-brand: 56px;
            --nav-height-channel: 48px;
            --section-gap: 60px;
            --section-gap-mobile: 36px;
        }

        /* ============ 基础 Reset & Base ============ */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            min-width: 320px;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--color-accent);
        }

        button {
            cursor: pointer;
            font-family: inherit;
        }

        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0 0 0.5em;
            line-height: 1.3;
            color: var(--color-text-strong);
        }

        p {
            margin: 0 0 1em;
            line-height: 1.75;
        }

        ul,
        ol {
            margin: 0 0 1em;
            padding-left: 1.5em;
        }

        /* ============ 容器 ============ */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ============ Header / 导航 ============ */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.07);
        }

        .header-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--nav-height-brand);
            padding: 0 24px;
            max-width: var(--container-max);
            margin: 0 auto;
            border-bottom: 1px solid var(--color-border-light);
        }

        .header-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.01em;
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: opacity var(--transition-fast);
        }

        .header-logo:hover {
            opacity: 0.85;
            color: var(--color-primary);
        }

        .header-logo .logo-icon {
            font-size: 1.5rem;
            display: inline-flex;
            align-items: center;
        }

        .header-quick-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .header-quick-actions .live-dot {
            display: inline-block;
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--color-live);
            animation: livePulse 1.4s infinite;
            margin-right: 6px;
        }

        @keyframes livePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(229, 62, 62, 0.55);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(229, 62, 62, 0);
            }
        }

        .live-indicator {
            display: inline-flex;
            align-items: center;
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--color-live);
            letter-spacing: 0.04em;
        }

        /* 频道导航行 */
        .header-channel-row {
            background: #ffffff;
            border-bottom: 1px solid var(--color-border-light);
        }

        .nav-channel-outer {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            /* Firefox */
            -ms-overflow-style: none;
            /* IE/Edge */;
        }

        .nav-channel-outer::-webkit-scrollbar {
            display: none;
            /* Chrome/Safari */;
        }

        .nav-channel-inner {
            display: flex;
            align-items: center;
            gap: 4px;
            height: var(--nav-height-channel);
            white-space: nowrap;
            min-width: max-content;
        }

        .nav-channel-inner .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-text-weak);
            border-radius: var(--radius-sm);
            transition: all var(--transition-fast);
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-channel-inner .nav-link:hover {
            color: var(--color-primary);
            background: rgba(26, 60, 94, 0.05);
        }

        .nav-channel-inner .nav-link.active {
            color: var(--color-primary);
            font-weight: 600;
            background: rgba(26, 60, 94, 0.07);
        }

        .nav-channel-inner .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 12px;
            right: 12px;
            height: 2.5px;
            background: var(--color-accent);
            border-radius: 2px;
        }

        /* 移动端汉堡菜单按钮 */
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--color-primary);
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            cursor: pointer;
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-bar {
            padding: 14px 0;
            font-size: 0.85rem;
            color: var(--color-text-weak);
            border-bottom: 1px solid var(--color-border-light);
            background: var(--color-bg-alt);
        }

        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .breadcrumb-bar a {
            color: var(--color-text-weak);
            transition: color var(--transition-fast);
        }

        .breadcrumb-bar a:hover {
            color: var(--color-accent);
        }

        .breadcrumb-bar .sep {
            color: var(--color-text-light);
            font-size: 0.75rem;
        }

        .breadcrumb-bar .current {
            color: var(--color-primary);
            font-weight: 500;
        }

        /* ============ Hero Banner ============ */
        .hero-banner {
            position: relative;
            min-height: 380px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(15, 30, 50, 0.82) 0%, rgba(10, 22, 38, 0.88) 100%), url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            color: #ffffff;
            padding: 60px 0;
        }

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

        .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.9);
            color: #fff;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 18px;
            animation: fadeInUp 0.6s ease forwards;
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(18px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero-banner h1 {
            font-size: 2.6rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 14px;
            line-height: 1.25;
            letter-spacing: -0.01em;
            animation: fadeInUp 0.6s ease 0.08s forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }

        .hero-banner .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.88);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 24px;
            animation: fadeInUp 0.6s ease 0.16s forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }

        .hero-banner .hero-stats-row {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            animation: fadeInUp 0.6s ease 0.22s forwards;
            opacity: 0;
            animation-fill-mode: forwards;
        }

        .hero-stat-item {
            text-align: center;
            min-width: 90px;
        }

        .hero-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-accent-light);
            line-height: 1;
        }

        .hero-stat-item .stat-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

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

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

        .section-dark {
            background: var(--color-bg-dark);
            color: #e0e0e0;
        }

        .section-dark h2,
        .section-dark h3 {
            color: #ffffff;
        }

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

        .section-header h2 {
            font-size: 1.9rem;
            font-weight: 700;
            color: var(--color-text-strong);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .section-header .section-subtitle {
            font-size: 1rem;
            color: var(--color-text-weak);
            max-width: 560px;
            margin: 0 auto;
        }

        .section-dark .section-header h2 {
            color: #ffffff;
        }

        .section-dark .section-header .section-subtitle {
            color: #b0b8c0;
        }

        /* ============ 实时比分面板 ============ */
        .live-score-panel {
            background: #ffffff;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }

        .live-score-panel .panel-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            background: var(--color-primary);
            color: #fff;
            flex-wrap: wrap;
            gap: 12px;
        }

        .panel-header .panel-title {
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .panel-header .panel-title .live-dot-lg {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #ff4444;
            animation: livePulse 1.4s infinite;
        }

        .panel-header .update-time {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.8);
        }

        .match-row {
            display: flex;
            align-items: center;
            padding: 16px 24px;
            border-bottom: 1px solid var(--color-border-light);
            gap: 16px;
            transition: background var(--transition-fast);
            flex-wrap: wrap;
        }

        .match-row:hover {
            background: rgba(26, 60, 94, 0.03);
        }

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

        .match-league-tag {
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            background: #eef2f7;
            color: var(--color-text-weak);
            white-space: nowrap;
            min-width: 56px;
            text-align: center;
            letter-spacing: 0.02em;
        }

        .match-teams {
            flex: 1;
            min-width: 180px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text-strong);
            text-align: center;
        }

        .match-score {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            min-width: 70px;
            text-align: center;
            letter-spacing: 0.04em;
        }

        .match-score.live-now {
            color: var(--color-live);
            animation: scoreGlow 2s infinite;
        }

        @keyframes scoreGlow {
            0%,
            100% {
                text-shadow: 0 0 0 rgba(229, 62, 62, 0);
            }
            50% {
                text-shadow: 0 0 14px rgba(229, 62, 62, 0.35);
            }
        }

        .match-status {
            font-size: 0.78rem;
            font-weight: 600;
            min-width: 64px;
            text-align: center;
            white-space: nowrap;
        }

        .match-status .status-live {
            color: var(--color-live);
        }

        .match-status .status-upcoming {
            color: var(--color-accent-dark);
        }

        .match-status .status-finished {
            color: var(--color-text-weak);
        }

        .match-time-info {
            font-size: 0.75rem;
            color: var(--color-text-weak);
            min-width: 44px;
            text-align: center;
        }

        /* ============ 功能特色卡片 ============ */
        .feature-cards-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .feature-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            text-align: center;
            transition: all var(--transition-normal);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-accent);
            border-radius: 0 0 4px 4px;
            transform: scaleX(0);
            transition: transform var(--transition-normal);
            transform-origin: left;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: transparent;
        }

        .feature-card:hover::before {
            transform: scaleX(1);
        }

        .feature-card .card-icon {
            font-size: 2.2rem;
            color: var(--color-accent);
            margin-bottom: 14px;
            display: inline-block;
            transition: transform var(--transition-normal);
        }

        .feature-card:hover .card-icon {
            transform: scale(1.12);
        }

        .feature-card h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--color-text-strong);
        }

        .feature-card p {
            font-size: 0.88rem;
            color: var(--color-text-weak);
            margin-bottom: 0;
        }

        /* ============ 数据统计区 ============ */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            text-align: center;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-normal);
        }

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

        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--color-accent);
            margin-bottom: 10px;
        }

        .stat-card .stat-value {
            font-size: 2.4rem;
            font-weight: 700;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-card .stat-desc {
            font-size: 0.85rem;
            color: var(--color-text-weak);
        }

        /* ============ 赛事追踪列表 ============ */
        .tracking-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 14px;
        }

        .tracking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            flex-wrap: wrap;
        }

        .tracking-item:hover {
            box-shadow: var(--shadow-md);
            border-color: #d0d5dd;
        }

        .tracking-item .tracking-img {
            width: 60px;
            height: 60px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: #eef2f7;
        }

        .tracking-item .tracking-info {
            flex: 1;
            min-width: 160px;
        }

        .tracking-item .tracking-info h5 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 4px;
        }

        .tracking-item .tracking-info p {
            font-size: 0.8rem;
            color: var(--color-text-weak);
            margin-bottom: 0;
        }

        .tracking-item .tracking-status {
            font-size: 0.78rem;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 16px;
            white-space: nowrap;
        }

        .tracking-status.watching {
            background: #fef3c7;
            color: #b45309;
        }

        .tracking-status.completed {
            background: #d1fae5;
            color: #065f46;
        }

        .tracking-status.upcoming {
            background: #e0e7ff;
            color: #3730a3;
        }

        /* ============ CTA ============ */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-dark) 100%);
            color: #ffffff;
            text-align: center;
            padding: 56px 0;
            border-radius: 0;
        }

        .cta-section h3 {
            font-size: 1.7rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .cta-section p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 520px;
            margin: 0 auto 24px;
        }

        .btn {
            display: inline-block;
            padding: 12px 28px;
            font-size: 0.95rem;
            font-weight: 600;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
            cursor: pointer;
            letter-spacing: 0.01em;
            border: 2px solid transparent;
            text-align: center;
            line-height: 1.4;
        }

        .btn-accent {
            background: var(--color-accent);
            color: #ffffff;
            border-color: var(--color-accent);
        }

        .btn-accent:hover {
            background: var(--color-accent-dark);
            border-color: var(--color-accent-dark);
            color: #ffffff;
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
            transform: translateY(-2px);
        }

        .btn-outline-light {
            background: transparent;
            color: #ffffff;
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #ffffff;
            color: #ffffff;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            border-radius: var(--radius-sm);
        }

        /* ============ FAQ ============ */
        .faq-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            gap: 12px;
        }

        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--color-text-strong);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: color var(--transition-fast);
        }

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

        .faq-question .faq-icon {
            font-size: 0.9rem;
            color: var(--color-accent);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

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

        .faq-item.open .faq-answer {
            max-height: 400px;
        }

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--color-text-weak);
            line-height: 1.75;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #1a1f2b;
            color: #c5cad3;
            padding: 48px 0 28px;
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px 32px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .footer-logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: #9ca3af;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .footer-col h5 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .footer-col a {
            display: block;
            font-size: 0.84rem;
            color: #9ca3af;
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-accent-light);
        }

        .footer-bottom {
            text-align: center;
            padding: 22px 20px 0;
            font-size: 0.8rem;
            color: #6b7280;
            max-width: var(--container-max);
            margin: 0 auto;
        }

        /* ============ 标签 / 徽章 ============ */
        .tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 500;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .tag-primary {
            background: rgba(26, 60, 94, 0.1);
            color: var(--color-primary);
        }

        .tag-accent {
            background: rgba(200, 150, 62, 0.12);
            color: var(--color-accent-dark);
        }

        .tag-live {
            background: rgba(229, 62, 62, 0.1);
            color: var(--color-live);
            animation: livePulse 1.8s infinite;
        }

        /* ============ 分隔线 ============ */
        .divider {
            height: 1px;
            background: var(--color-border-light);
            margin: 20px 0;
        }

        .divider-accent {
            height: 3px;
            width: 50px;
            background: var(--color-accent);
            border-radius: 2px;
            margin: 0 auto 20px;
        }

        /* ============ 图片遮罩 ============ */
        .img-card {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-normal);
        }

        .img-card:hover {
            box-shadow: var(--shadow-xl);
            transform: translateY(-2px);
        }

        .img-card img {
            width: 100%;
            height: 220px;
            object-fit: cover;
        }

        .img-card .img-card-body {
            padding: 18px 20px;
            background: #fff;
        }

        .img-card .img-card-body h5 {
            font-weight: 600;
            margin-bottom: 6px;
        }

        .img-card .img-card-body p {
            font-size: 0.82rem;
            color: var(--color-text-weak);
            margin-bottom: 0;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            .feature-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .hero-banner h1 {
                font-size: 2.1rem;
            }
            .hero-banner {
                min-height: 320px;
                padding: 48px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-brand {
                grid-column: span 2;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 36px;
                --nav-height-brand: 50px;
                --nav-height-channel: 42px;
            }

            .header-brand-row {
                padding: 0 16px;
            }
            .header-logo {
                font-size: 1.15rem;
            }
            .header-quick-actions .live-indicator span {
                display: none;
            }
            .header-quick-actions .live-indicator {
                font-size: 0.7rem;
            }

            .nav-channel-inner .nav-link {
                padding: 7px 12px;
                font-size: 0.8rem;
            }

            .hero-banner {
                min-height: 260px;
                padding: 36px 0;
            }
            .hero-banner h1 {
                font-size: 1.7rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.9rem;
            }
            .hero-stats-row {
                gap: 18px;
            }
            .hero-stat-item .stat-num {
                font-size: 1.4rem;
            }

            .feature-cards-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .feature-card h4 {
                font-size: 0.9rem;
            }
            .feature-card p {
                font-size: 0.78rem;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 22px 14px;
            }
            .stat-card .stat-value {
                font-size: 1.8rem;
            }

            .match-row {
                padding: 12px 14px;
                gap: 10px;
            }
            .match-teams {
                font-size: 0.85rem;
                min-width: 120px;
            }
            .match-score {
                font-size: 1.2rem;
                min-width: 50px;
            }

            .tracking-item {
                padding: 14px 14px;
                gap: 12px;
            }
            .tracking-item .tracking-img {
                width: 48px;
                height: 48px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-brand {
                grid-column: span 1;
            }

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

            .cta-section h3 {
                font-size: 1.35rem;
            }

            .img-card img {
                height: 180px;
            }
        }

        @media (max-width: 520px) {
            .feature-cards-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .stats-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .hero-banner h1 {
                font-size: 1.4rem;
            }
            .hero-banner .hero-desc {
                font-size: 0.82rem;
            }
            .hero-stats-row {
                gap: 12px;
                justify-content: center;
            }
            .hero-stat-item .stat-num {
                font-size: 1.2rem;
            }
            .hero-stat-item .stat-label {
                font-size: 0.7rem;
            }
            .panel-header {
                padding: 14px 16px;
            }
            .match-row {
                flex-direction: column;
                align-items: stretch;
                text-align: center;
                gap: 6px;
            }
            .match-teams {
                text-align: center;
            }
            .match-score {
                text-align: center;
            }
            .match-status {
                text-align: center;
            }
            .match-league-tag {
                align-self: center;
            }
            .btn {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .section {
                padding: 28px 0;
            }
        }