/* roulang page: index */
:root {
            --primary: #1a2744;
            --primary-light: #2a3f66;
            --primary-dark: #0f1a2e;
            --accent: #d42828;
            --accent-hover: #b52020;
            --gold: #e8a838;
            --gold-light: #f4c26a;
            --bg-light: #f5f7fa;
            --bg-white: #ffffff;
            --text-dark: #1a1a2e;
            --text-muted: #6b7a8f;
            --text-light: #8a9bb5;
            --border-color: #e2e6ed;
            --shadow-sm: 0 2px 8px rgba(26, 39, 68, 0.06);
            --shadow-md: 0 6px 24px rgba(26, 39, 68, 0.10);
            --shadow-lg: 0 16px 48px rgba(26, 39, 68, 0.14);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --transition: all 0.30s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: var(--font-family);
            font-size: 1rem;
            line-height: 1.65;
            color: var(--text-dark);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
            margin-left: auto;
            margin-right: auto;
        }
        .container-fluid {
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ---- Navigation ---- */
        .site-header {
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 1050;
            border-bottom: 1px solid var(--border-color);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.6rem 0;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .site-logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            flex-shrink: 0;
        }
        .site-logo i {
            color: var(--accent);
            font-size: 1.7rem;
        }
        .site-logo:hover {
            color: var(--primary);
            opacity: 0.92;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
            flex-wrap: wrap;
        }
        .search-form {
            display: flex;
            align-items: center;
            background: var(--bg-light);
            border-radius: 50px;
            padding: 0.3rem 0.3rem 0.3rem 1rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            min-width: 200px;
        }
        .search-form:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(26, 39, 68, 0.08);
        }
        .search-form input {
            border: none;
            background: transparent;
            padding: 0.35rem 0;
            font-size: 0.9rem;
            outline: none;
            width: 100%;
            color: var(--text-dark);
        }
        .search-form input::placeholder {
            color: var(--text-light);
        }
        .search-form button {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 50px;
            width: 34px;
            height: 34px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .search-form button:hover {
            background: var(--accent);
        }
        .btn-cta-nav {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 0.45rem 1.4rem;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            white-space: nowrap;
        }
        .btn-cta-nav:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(212, 40, 40, 0.35);
        }
        .navbar-channel {
            background: var(--bg-white);
            border-top: 1px solid var(--border-color);
            padding: 0 0;
        }
        .channel-tabs {
            display: flex;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0.4rem 0;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex-wrap: nowrap;
        }
        .channel-tabs::-webkit-scrollbar {
            display: none;
        }
        .channel-tabs .nav-item {
            flex-shrink: 0;
        }
        .channel-tabs .nav-link {
            display: block;
            padding: 0.5rem 1.2rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--text-muted);
            border-radius: 50px;
            transition: var(--transition);
            white-space: nowrap;
            background: transparent;
            border: none;
            cursor: pointer;
        }
        .channel-tabs .nav-link:hover {
            color: var(--primary);
            background: var(--bg-light);
        }
        .channel-tabs .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: var(--shadow-sm);
        }
        .channel-tabs .nav-link i {
            margin-right: 0.4rem;
            font-size: 0.85rem;
        }
        .navbar-toggler-channel {
            display: none;
            background: transparent;
            border: 1px solid var(--border-color);
            border-radius: var(--radius-sm);
            padding: 0.3rem 0.7rem;
            font-size: 1.1rem;
            color: var(--primary);
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .header-top {
                padding: 0.5rem 0;
            }
            .site-logo {
                font-size: 1.25rem;
            }
            .search-form {
                min-width: 140px;
            }
            .btn-cta-nav {
                padding: 0.35rem 1rem;
                font-size: 0.8rem;
            }
            .channel-tabs {
                padding: 0.3rem 0;
            }
            .channel-tabs .nav-link {
                padding: 0.4rem 1rem;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .header-actions .search-form {
                min-width: 100px;
                order: 2;
            }
            .header-actions .btn-cta-nav {
                order: 1;
            }
            .site-logo {
                font-size: 1.1rem;
            }
        }

        /* ---- Hero ---- */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            padding: 3rem 0;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.20;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(26, 39, 68, 0.6) 0%, transparent 70%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            color: #fff;
            max-width: 780px;
            padding: 1.5rem 0;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.20;
            letter-spacing: -0.02em;
            margin-bottom: 1.2rem;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.25);
        }
        .hero-content .hero-sub {
            font-size: 1.2rem;
            font-weight: 400;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 2rem;
            max-width: 640px;
        }
        .hero-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 0.6rem 1rem;
            margin-bottom: 2rem;
        }
        .hero-badges span {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            padding: 0.35rem 1rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.92);
            border: 1px solid rgba(255, 255, 255, 0.10);
        }
        .hero-badges span i {
            margin-right: 0.4rem;
            color: var(--gold);
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .btn-hero-primary {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 0.8rem 2.4rem;
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(212, 40, 40, 0.35);
        }
        .btn-hero-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 32px rgba(212, 40, 40, 0.45);
        }
        .btn-hero-secondary {
            background: rgba(255, 255, 255, 0.10);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.25);
            border-radius: 50px;
            padding: 0.8rem 2.4rem;
            font-weight: 600;
            font-size: 1.05rem;
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }
        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.20);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.40);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .hero-section {
                min-height: 420px;
                padding: 2.5rem 0;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .hero-content .hero-sub {
                font-size: 1rem;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                padding: 0.6rem 1.8rem;
                font-size: 0.95rem;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.7rem;
            }
            .hero-content .hero-sub {
                font-size: 0.9rem;
            }
            .hero-badges span {
                font-size: 0.75rem;
                padding: 0.2rem 0.8rem;
            }
        }

        /* ---- Section通用 ---- */
        .section-padding {
            padding: 5rem 0;
        }
        .section-padding-sm {
            padding: 3rem 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 0.75rem;
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 680px;
            margin-bottom: 2.5rem;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin-bottom: 1.5rem;
        }
        @media (max-width: 768px) {
            .section-padding {
                padding: 3rem 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
            }
        }

        /* ---- Cards ---- */
        .card-feature {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            border: 1px solid var(--border-color);
        }
        .card-feature:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .card-feature .card-img-top {
            height: 200px;
            object-fit: cover;
            border-radius: 0;
        }
        .card-feature .card-body {
            padding: 1.5rem;
        }
        .card-feature .card-body .badge-tag {
            display: inline-block;
            background: var(--gold);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.7rem;
            padding: 0.2rem 0.8rem;
            border-radius: 50px;
            text-transform: uppercase;
            letter-spacing: 0.03em;
            margin-bottom: 0.6rem;
        }
        .card-feature .card-body h5 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.5rem;
        }
        .card-feature .card-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        /* ---- 资讯列表 ---- */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .news-item {
            display: flex;
            gap: 1.2rem;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 1.2rem 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-color);
            align-items: flex-start;
        }
        .news-item:hover {
            transform: translateX(4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .news-item .news-img {
            width: 120px;
            height: 80px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--bg-light);
        }
        .news-item .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-item .news-content .news-cat {
            font-size: 0.75rem;
            font-weight: 700;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 0.03em;
            display: inline-block;
            margin-bottom: 0.2rem;
        }
        .news-item .news-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.3rem;
            line-height: 1.4;
        }
        .news-item .news-content h4 a {
            color: inherit;
        }
        .news-item .news-content h4 a:hover {
            color: var(--accent);
        }
        .news-item .news-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 0.3rem;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-item .news-content .news-meta {
            font-size: 0.8rem;
            color: var(--text-light);
            display: flex;
            gap: 1rem;
            flex-wrap: wrap;
        }
        .news-item .news-content .news-meta i {
            margin-right: 0.25rem;
        }
        .news-empty {
            text-align: center;
            padding: 2.5rem 1rem;
            color: var(--text-muted);
            font-size: 1rem;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-color);
        }
        @media (max-width: 640px) {
            .news-item {
                flex-direction: column;
                padding: 1rem;
            }
            .news-item .news-img {
                width: 100%;
                height: 180px;
            }
        }

        /* ---- Stats ---- */
        .stats-section {
            background: var(--primary);
            color: #fff;
            padding: 3.5rem 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            background-color: var(--primary);
        }
        .stat-item {
            text-align: center;
            padding: 1.5rem 0.5rem;
        }
        .stat-item .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.1;
            color: var(--gold);
        }
        .stat-item .stat-label {
            font-size: 1rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.80);
            margin-top: 0.3rem;
        }
        @media (max-width: 768px) {
            .stat-item .stat-number {
                font-size: 2rem;
            }
        }

        /* ---- 图文区块 ---- */
        .feature-block {
            display: flex;
            gap: 2.5rem;
            align-items: center;
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            border: 1px solid var(--border-color);
        }
        .feature-block .block-img {
            flex: 0 0 45%;
            min-height: 300px;
            background-size: cover;
            background-position: center;
        }
        .feature-block .block-text {
            flex: 1;
            padding: 2.5rem;
        }
        .feature-block .block-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 0.8rem;
        }
        .feature-block .block-text p {
            color: var(--text-muted);
            line-height: 1.7;
            font-size: 1rem;
        }
        .feature-block .block-text .block-list {
            list-style: none;
            padding: 0;
            margin: 1.2rem 0 0;
        }
        .feature-block .block-text .block-list li {
            padding: 0.35rem 0;
            font-size: 0.95rem;
            color: var(--text-dark);
            display: flex;
            align-items: center;
            gap: 0.6rem;
        }
        .feature-block .block-text .block-list li i {
            color: var(--accent);
            font-size: 0.9rem;
            width: 1.2rem;
            text-align: center;
        }
        @media (max-width: 768px) {
            .feature-block {
                flex-direction: column;
            }
            .feature-block .block-img {
                flex: unset;
                width: 100%;
                min-height: 220px;
            }
            .feature-block .block-text {
                padding: 1.5rem;
            }
            .feature-block .block-text h3 {
                font-size: 1.3rem;
            }
        }

        /* ---- FAQ ---- */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            overflow: hidden;
            margin-bottom: 0.75rem;
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--primary);
            background: var(--bg-white);
            padding: 1.1rem 1.5rem;
            border: none;
            box-shadow: none;
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: var(--bg-white);
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-color);
        }
        .faq-accordion .accordion-button::after {
            background-size: 1rem;
            opacity: 0.6;
        }
        .faq-accordion .accordion-body {
            padding: 0 1.5rem 1.2rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ---- CTA ---- */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 4.5rem 0;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-content h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 0.8rem;
            letter-spacing: -0.01em;
        }
        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.80);
            max-width: 600px;
            margin: 0 auto 2rem;
        }
        .btn-cta-large {
            background: var(--accent);
            color: #fff;
            border: none;
            border-radius: 50px;
            padding: 1rem 3rem;
            font-weight: 700;
            font-size: 1.1rem;
            transition: var(--transition);
            box-shadow: 0 8px 28px rgba(212, 40, 40, 0.40);
        }
        .btn-cta-large:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(212, 40, 40, 0.55);
        }
        @media (max-width: 768px) {
            .cta-section {
                padding: 3rem 0;
            }
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .cta-content p {
                font-size: 0.95rem;
            }
            .btn-cta-large {
                padding: 0.8rem 2rem;
                font-size: 1rem;
            }
        }

        /* ---- Footer ---- */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 3.5rem 0 1.5rem;
        }
        .site-footer .footer-brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 0.4rem;
            margin-bottom: 0.8rem;
        }
        .site-footer .footer-brand i {
            color: var(--accent);
        }
        .site-footer .footer-desc {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.60);
            max-width: 360px;
        }
        .site-footer .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer .footer-links li {
            margin-bottom: 0.4rem;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.9rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .site-footer .footer-links a:hover {
            color: var(--gold);
            transform: translateX(4px);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 1.5rem;
            margin-top: 2.5rem;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 0.5rem;
        }
        .site-footer .footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--gold);
        }
        @media (max-width: 768px) {
            .site-footer {
                padding: 2.5rem 0 1rem;
            }
            .site-footer .footer-brand {
                font-size: 1.2rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ---- 响应式辅助 ---- */
        @media (max-width: 992px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding-left: 0.75rem;
                padding-right: 0.75rem;
            }
            .section-padding {
                padding: 2.5rem 0;
            }
        }

        /* ---- 额外UI组件 ---- */
        .badge-pill-custom {
            display: inline-block;
            padding: 0.2rem 1rem;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            background: var(--bg-light);
            color: var(--text-muted);
            border: 1px solid var(--border-color);
        }
        .badge-pill-custom.accent {
            background: var(--accent);
            color: #fff;
            border-color: var(--accent);
        }
        .badge-pill-custom.gold {
            background: var(--gold);
            color: var(--primary-dark);
            border-color: var(--gold);
        }

        .btn-outline-primary-custom {
            background: transparent;
            border: 2px solid var(--primary);
            color: var(--primary);
            border-radius: 50px;
            padding: 0.5rem 1.6rem;
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-outline-primary-custom:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-sm);
        }

        .text-gold {
            color: var(--gold);
        }
        .bg-accent-soft {
            background: rgba(212, 40, 40, 0.05);
        }
        .bg-primary-soft {
            background: rgba(26, 39, 68, 0.04);
        }

        /* 滚动条美化 */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-light);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--text-light);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* 选中状态 */
        ::selection {
            background: var(--primary);
            color: #fff;
        }

        /* 图片占位背景 */
        .img-placeholder-bg {
            background: var(--bg-light);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-light);
            font-size: 0.85rem;
        }

/* roulang page: article */
:root {
            --primary: #e63946;
            --primary-dark: #b71c1c;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #2b4c7a;
            --accent: #f4a261;
            --bg-dark: #0f1a2b;
            --bg-card: #ffffff;
            --bg-light: #f8f9fa;
            --bg-section-alt: #f1f4f8;
            --text-dark: #1a1a2e;
            --text-body: #2d3436;
            --text-muted: #636e72;
            --text-light: #dfe6e9;
            --border-color: rgba(0, 0, 0, 0.08);
            --border-light: rgba(255, 255, 255, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.05);
            --shadow-md: 0 8px 28px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.12);
            --shadow-hover: 0 16px 40px rgba(230, 57, 70, 0.14);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

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

        body {
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

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

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
        }

        /* === Header / Top Bar === */
        .site-header {
            background: var(--bg-dark);
            border-bottom: 1px solid var(--border-light);
            position: sticky;
            top: 0;
            z-index: 1040;
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            flex-wrap: wrap;
            gap: 12px;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.55rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: -0.02em;
            transition: var(--transition);
        }
        .site-logo i {
            color: var(--primary-light);
            font-size: 1.6rem;
            filter: drop-shadow(0 0 6px rgba(230, 57, 70, 0.5));
        }
        .site-logo:hover {
            color: var(--primary-light);
            transform: scale(1.02);
        }

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

        .search-form {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 50px;
            padding: 0 8px 0 16px;
            transition: var(--transition);
        }
        .search-form:focus-within {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.2);
        }
        .search-form input {
            background: transparent;
            border: none;
            padding: 8px 6px;
            color: #fff;
            font-size: 0.85rem;
            min-width: 120px;
            outline: none;
        }
        .search-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .search-form button {
            background: transparent;
            border: none;
            color: rgba(255, 255, 255, 0.6);
            padding: 8px 10px;
            cursor: pointer;
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .search-form button:hover {
            color: var(--primary-light);
        }

        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff !important;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            transition: var(--transition);
            border: none;
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.35);
        }
        .btn-cta-nav:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.45);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }

        /* === 频道导航 (Channel Tabs) === */
        .navbar-channel {
            background: rgba(15, 26, 43, 0.95);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(8px);
        }

        .channel-tabs {
            display: flex;
            list-style: none;
            gap: 2px;
            padding: 0;
            margin: 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-tabs::-webkit-scrollbar {
            display: none;
        }

        .channel-tabs .nav-item {
            flex-shrink: 0;
        }

        .channel-tabs .nav-link {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 20px;
            font-size: 0.88rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.65);
            border-radius: 0;
            transition: var(--transition);
            border-bottom: 3px solid transparent;
            white-space: nowrap;
        }
        .channel-tabs .nav-link i {
            font-size: 0.9rem;
            opacity: 0.7;
        }
        .channel-tabs .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.05);
            border-bottom-color: rgba(255, 255, 255, 0.2);
        }
        .channel-tabs .nav-link.active {
            color: #fff;
            font-weight: 600;
            border-bottom-color: var(--primary-light);
            background: rgba(230, 57, 70, 0.12);
        }
        .channel-tabs .nav-link.active i {
            opacity: 1;
            color: var(--primary-light);
        }

        /* === 页面主体 === */
        .article-page {
            padding: 40px 0 60px;
            background: var(--bg-light);
        }

        .article-header {
            background: var(--bg-dark);
            padding: 50px 0 40px;
            position: relative;
            overflow: hidden;
        }
        .article-header::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.15;
            pointer-events: none;
        }
        .article-header .container {
            position: relative;
            z-index: 2;
        }
        .article-header h1 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px 28px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            align-items: center;
        }
        .article-meta i {
            margin-right: 4px;
            opacity: 0.6;
        }
        .article-meta .badge-cat {
            background: var(--primary);
            color: #fff;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }

        .article-body {
            max-width: 860px;
            margin: 0 auto;
        }

        .article-content {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 40px 48px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-body);
        }
        .article-content p {
            margin-bottom: 1.4rem;
        }
        .article-content h2,
        .article-content h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            font-weight: 700;
            color: var(--text-dark);
        }
        .article-content h2 {
            font-size: 1.6rem;
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }
        .article-content h3 {
            font-size: 1.25rem;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 1.4rem;
            padding-left: 1.6rem;
        }
        .article-content li {
            margin-bottom: 0.4rem;
        }
        .article-content img {
            border-radius: var(--radius-sm);
            margin: 1.8rem auto;
            box-shadow: var(--shadow-sm);
        }
        .article-content blockquote {
            border-left: 4px solid var(--primary-light);
            background: var(--bg-section-alt);
            padding: 16px 24px;
            margin: 1.8rem 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-muted);
        }
        .article-content a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--primary-dark);
        }

        .article-not-found {
            text-align: center;
            padding: 80px 20px;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }
        .article-not-found i {
            font-size: 3.6rem;
            color: var(--text-muted);
            margin-bottom: 20px;
            display: block;
        }
        .article-not-found h2 {
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }
        .article-not-found p {
            color: var(--text-muted);
            margin-bottom: 20px;
        }
        .article-not-found .btn-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .article-not-found .btn-home:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }

        /* === 相关文章 / 推荐 === */
        .related-section {
            margin-top: 48px;
            padding-top: 40px;
            border-top: 1px solid var(--border-color);
        }
        .related-section h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .related-section h3 i {
            color: var(--primary);
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .related-card .card-img {
            aspect-ratio: 16 / 10;
            background: var(--bg-section-alt);
            overflow: hidden;
        }
        .related-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: 0;
            transition: var(--transition);
        }
        .related-card:hover .card-img img {
            transform: scale(1.04);
        }
        .related-card .card-body {
            padding: 16px 18px 18px;
        }
        .related-card .card-body h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 6px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body .card-meta {
            font-size: 0.78rem;
            color: var(--text-muted);
        }
        .related-card .card-body .card-meta i {
            margin-right: 3px;
        }

        /* === 页脚 === */
        .site-footer {
            background: var(--bg-dark);
            padding: 48px 0 28px;
            border-top: 1px solid var(--border-light);
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand i {
            color: var(--primary-light);
            font-size: 1.5rem;
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 360px;
            font-size: 0.88rem;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 8px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
            font-size: 0.88rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .footer-links a:hover {
            color: var(--primary-light);
            transform: translateX(4px);
        }
        .footer-bottom {
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 10px;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.35);
        }

        /* === 响应式 === */
        @media (max-width: 992px) {
            .header-top {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
            }
            .header-actions {
                justify-content: space-between;
                flex-wrap: wrap;
            }
            .search-form {
                flex: 1;
                min-width: 140px;
            }
            .search-form input {
                min-width: 80px;
                width: 100%;
            }
            .article-header h1 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 28px 24px;
            }
        }

        @media (max-width: 768px) {
            .article-header {
                padding: 32px 0 28px;
            }
            .article-header h1 {
                font-size: 1.5rem;
            }
            .article-meta {
                gap: 10px 16px;
                font-size: 0.78rem;
            }
            .article-content {
                padding: 20px 16px;
                font-size: 0.98rem;
                border-radius: var(--radius-sm);
            }
            .article-content h2 {
                font-size: 1.3rem;
                padding-left: 12px;
            }
            .article-content h3 {
                font-size: 1.1rem;
            }
            .related-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .related-section h3 {
                font-size: 1.2rem;
            }
            .channel-tabs .nav-link {
                padding: 10px 14px;
                font-size: 0.8rem;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .btn-cta-nav span {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .header-top {
                padding: 10px 0;
            }
            .site-logo {
                font-size: 1.25rem;
            }
            .site-logo i {
                font-size: 1.2rem;
            }
            .header-actions {
                gap: 8px;
            }
            .search-form input {
                min-width: 60px;
                font-size: 0.78rem;
                padding: 6px 4px;
            }
            .search-form button {
                padding: 6px 8px;
            }
            .btn-cta-nav {
                padding: 6px 14px;
                font-size: 0.75rem;
            }
            .channel-tabs .nav-link {
                padding: 8px 12px;
                font-size: 0.75rem;
                gap: 4px;
            }
            .channel-tabs .nav-link i {
                font-size: 0.75rem;
            }
            .article-header h1 {
                font-size: 1.25rem;
            }
            .article-content {
                padding: 16px 12px;
                font-size: 0.92rem;
            }
            .related-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .article-not-found {
                padding: 40px 16px;
            }
            .article-not-found i {
                font-size: 2.4rem;
            }
            .article-not-found h2 {
                font-size: 1.2rem;
            }
            .site-footer {
                padding: 32px 0 20px;
            }
            .footer-brand {
                font-size: 1.2rem;
            }
        }

        /* 打印优化 */
        @media print {
            .site-header,
            .navbar-channel,
            .site-footer,
            .related-section {
                display: none !important;
            }
            .article-header {
                background: #fff !important;
                padding: 20px 0 !important;
            }
            .article-header h1 {
                color: #000 !important;
            }
            .article-meta {
                color: #666 !important;
            }
            .article-content {
                box-shadow: none !important;
                border: none !important;
                padding: 20px 0 !important;
            }
            .article-content a {
                text-decoration: underline !important;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --color-primary: #0f1e3a;
            --color-primary-light: #1a2f52;
            --color-secondary: #e8b830;
            --color-secondary-hover: #d4a620;
            --color-accent: #c0392b;
            --color-bg: #f5f7fa;
            --color-bg-alt: #eef1f5;
            --color-bg-dark: #0b1628;
            --color-text: #1e2a3e;
            --color-text-light: #5a6a7e;
            --color-text-muted: #8a9aaa;
            --color-border: #dce1e8;
            --color-white: #ffffff;
            --color-success: #27ae60;
            --color-info: #2980b9;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 16px 48px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 24px 64px rgba(0, 0, 0, 0.14);
            --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-body: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --font-size-xs: 0.75rem;
            --font-size-sm: 0.875rem;
            --font-size-base: 1rem;
            --font-size-md: 1.125rem;
            --font-size-lg: 1.375rem;
            --font-size-xl: 1.75rem;
            --font-size-2xl: 2.25rem;
            --font-size-3xl: 3rem;
            --spacing-xs: 0.25rem;
            --spacing-sm: 0.5rem;
            --spacing-md: 1rem;
            --spacing-lg: 2rem;
            --spacing-xl: 3rem;
            --spacing-2xl: 5rem;
        }

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

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

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

        a {
            color: var(--color-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--color-secondary);
        }
        a:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

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

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

        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: 2px;
        }

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

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        /* ===== 自定义按钮 ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.7rem 1.8rem;
            font-weight: 600;
            font-size: var(--font-size-sm);
            border-radius: var(--radius-md);
            border: 2px solid transparent;
            transition: var(--transition);
            cursor: pointer;
            letter-spacing: 0.02em;
            text-align: center;
            white-space: nowrap;
        }
        .btn-custom-primary {
            background: var(--color-secondary);
            color: var(--color-primary) !important;
            border-color: var(--color-secondary);
        }
        .btn-custom-primary:hover {
            background: var(--color-secondary-hover);
            border-color: var(--color-secondary-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(232, 184, 48, 0.35);
        }
        .btn-custom-outline {
            background: transparent;
            color: var(--color-white) !important;
            border-color: var(--color-white);
        }
        .btn-custom-outline:hover {
            background: var(--color-white);
            color: var(--color-primary) !important;
            transform: translateY(-2px);
        }
        .btn-custom-dark {
            background: var(--color-primary);
            color: var(--color-white) !important;
            border-color: var(--color-primary);
        }
        .btn-custom-dark:hover {
            background: var(--color-primary-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 30, 58, 0.30);
        }
        .btn-custom-sm {
            padding: 0.45rem 1.2rem;
            font-size: var(--font-size-xs);
            border-radius: var(--radius-sm);
        }

        /* ===== 徽章/标签 ===== */
        .badge-custom {
            display: inline-block;
            padding: 0.3rem 0.9rem;
            font-size: var(--font-size-xs);
            font-weight: 600;
            border-radius: 50px;
            letter-spacing: 0.03em;
            background: rgba(232, 184, 48, 0.15);
            color: var(--color-secondary);
            border: 1px solid rgba(232, 184, 48, 0.25);
        }
        .badge-custom-light {
            background: rgba(255, 255, 255, 0.12);
            color: var(--color-white);
            border-color: rgba(255, 255, 255, 0.18);
        }
        .badge-custom-info {
            background: rgba(41, 128, 185, 0.12);
            color: var(--color-info);
            border-color: rgba(41, 128, 185, 0.20);
        }
        .badge-custom-success {
            background: rgba(39, 174, 96, 0.12);
            color: var(--color-success);
            border-color: rgba(39, 174, 96, 0.20);
        }

        /* ===== 站点头部 ===== */
        .site-header {
            background: var(--color-white);
            border-bottom: 1px solid var(--color-border);
            position: sticky;
            top: 0;
            z-index: 1050;
            box-shadow: var(--shadow-sm);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.7rem 0;
            flex-wrap: wrap;
            gap: 0.75rem;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--color-primary) !important;
            letter-spacing: -0.02em;
        }
        .site-logo i {
            color: var(--color-secondary);
            font-size: 1.6rem;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 1rem;
        }
        .search-form {
            display: flex;
            align-items: center;
            background: var(--color-bg);
            border-radius: 50px;
            padding: 0.2rem 0.2rem 0.2rem 1rem;
            border: 1px solid var(--color-border);
            transition: var(--transition);
        }
        .search-form:focus-within {
            border-color: var(--color-secondary);
            box-shadow: 0 0 0 3px rgba(232, 184, 48, 0.12);
        }
        .search-form input {
            border: none;
            background: transparent;
            outline: none;
            padding: 0.45rem 0;
            font-size: var(--font-size-sm);
            color: var(--color-text);
            min-width: 160px;
        }
        .search-form input::placeholder {
            color: var(--color-text-muted);
        }
        .search-form button {
            background: var(--color-secondary);
            border: none;
            color: var(--color-primary);
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background: var(--color-secondary-hover);
        }
        .btn-cta-nav {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            padding: 0.5rem 1.2rem;
            background: var(--color-primary);
            color: var(--color-white) !important;
            border-radius: 50px;
            font-size: var(--font-size-sm);
            font-weight: 600;
            transition: var(--transition);
        }
        .btn-cta-nav:hover {
            background: var(--color-primary-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-md);
        }

        /* ===== 频道导航 ===== */
        .navbar-channel {
            background: var(--color-primary);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .channel-tabs {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            padding: 0.3rem 0;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .channel-tabs::-webkit-scrollbar {
            display: none;
        }
        .channel-tabs .nav-item .nav-link {
            display: flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.55rem 1.2rem;
            font-size: var(--font-size-sm);
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            border-radius: var(--radius-sm);
            white-space: nowrap;
            transition: var(--transition);
            border: none;
            background: transparent;
        }
        .channel-tabs .nav-item .nav-link i {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .channel-tabs .nav-item .nav-link:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .channel-tabs .nav-item .nav-link.active {
            color: var(--color-primary);
            background: var(--color-secondary);
            font-weight: 700;
        }
        .channel-tabs .nav-item .nav-link.active i {
            opacity: 1;
        }

        /* ===== Hero 区域 ===== */
        .hero-category {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: var(--color-bg-dark);
            overflow: hidden;
        }
        .hero-category-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center 30%;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-category-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 22, 40, 0.88) 0%, rgba(11, 22, 40, 0.60) 100%);
            z-index: 1;
        }
        .hero-category .container {
            position: relative;
            z-index: 2;
            text-align: center;
            padding-top: 2.5rem;
            padding-bottom: 2.5rem;
        }
        .hero-category .badge-custom {
            margin-bottom: 1rem;
        }
        .hero-category h1 {
            font-size: var(--font-size-3xl);
            font-weight: 800;
            color: var(--color-white);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 1rem;
        }
        .hero-category h1 span {
            color: var(--color-secondary);
        }
        .hero-category .hero-sub {
            font-size: var(--font-size-md);
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            margin: 0 auto 1.8rem;
            line-height: 1.7;
        }
        .hero-category .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 0.75rem;
            justify-content: center;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: var(--spacing-2xl) 0;
        }
        .section-block-alt {
            background: var(--color-bg-alt);
        }
        .section-block-dark {
            background: var(--color-bg-dark);
            color: var(--color-white);
        }
        .section-title {
            font-size: var(--font-size-2xl);
            font-weight: 700;
            letter-spacing: -0.015em;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }
        .section-title-light {
            color: var(--color-white);
        }
        .section-subtitle {
            font-size: var(--font-size-md);
            color: var(--color-text-light);
            max-width: 600px;
            margin: 0 auto 2.5rem;
            text-align: center;
        }
        .section-subtitle-light {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-header {
            text-align: center;
            margin-bottom: var(--spacing-xl);
        }

        /* ===== 卡片 ===== */
        .card-modern {
            background: var(--color-white);
            border: none;
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
        }
        .card-modern:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .card-modern .card-img-top {
            height: 200px;
            object-fit: cover;
            border-bottom: 2px solid var(--color-border);
        }
        .card-modern .card-body {
            padding: 1.5rem 1.4rem;
        }
        .card-modern .card-title {
            font-size: var(--font-size-md);
            font-weight: 700;
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }
        .card-modern .card-text {
            font-size: var(--font-size-sm);
            color: var(--color-text-light);
            line-height: 1.6;
        }
        .card-modern .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 0.4rem;
            margin-top: 0.8rem;
        }
        .card-modern .card-tags .badge-custom {
            font-size: 0.65rem;
            padding: 0.2rem 0.7rem;
        }

        /* ===== 特色信息卡 ===== */
        .feature-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 2rem 1.5rem;
            text-align: center;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
            height: 100%;
            border: 1px solid var(--color-border);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-secondary);
        }
        .feature-card .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: rgba(232, 184, 48, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            font-size: 1.6rem;
            color: var(--color-secondary);
        }
        .feature-card h5 {
            font-weight: 700;
            font-size: var(--font-size-md);
            margin-bottom: 0.5rem;
            color: var(--color-text);
        }
        .feature-card p {
            font-size: var(--font-size-sm);
            color: var(--color-text-light);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ===== 统计数字块 ===== */
        .stat-block {
            text-align: center;
            padding: 1.5rem 0.5rem;
        }
        .stat-block .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-secondary);
            line-height: 1.1;
            letter-spacing: -0.02em;
        }
        .stat-block .stat-label {
            font-size: var(--font-size-sm);
            color: rgba(255, 255, 255, 0.7);
            margin-top: 0.3rem;
        }

        /* ===== 流程步骤 ===== */
        .step-item {
            display: flex;
            gap: 1.2rem;
            align-items: flex-start;
            padding: 1.2rem 1rem;
            background: var(--color-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border-left: 4px solid var(--color-secondary);
            transition: var(--transition);
            margin-bottom: 1rem;
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(4px);
        }
        .step-number {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-secondary);
            color: var(--color-primary);
            font-weight: 800;
            font-size: var(--font-size-md);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .step-content h6 {
            font-weight: 700;
            font-size: var(--font-size-base);
            margin-bottom: 0.2rem;
            color: var(--color-text);
        }
        .step-content p {
            font-size: var(--font-size-sm);
            color: var(--color-text-light);
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            margin-bottom: 0.75rem;
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--color-secondary);
        }
        .faq-question {
            padding: 1.1rem 1.4rem;
            font-weight: 600;
            font-size: var(--font-size-base);
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 1rem;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--color-secondary);
            outline-offset: -2px;
        }
        .faq-question i {
            color: var(--color-secondary);
            transition: var(--transition);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 1.4rem 1.1rem;
            font-size: var(--font-size-sm);
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ===== CTA 区域 ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 3rem 2.5rem;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-block .container {
            position: relative;
            z-index: 1;
        }
        .cta-block h3 {
            font-size: var(--font-size-2xl);
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 0.75rem;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.7);
            font-size: var(--font-size-md);
            max-width: 600px;
            margin: 0 auto 1.8rem;
        }

        /* ===== 图片卡片 (图文混排) ===== */
        .media-card {
            display: flex;
            align-items: center;
            gap: 2rem;
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 1.5rem;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            flex-wrap: wrap;
        }
        .media-card:hover {
            box-shadow: var(--shadow-md);
        }
        .media-card .media-img {
            flex: 0 0 200px;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .media-card .media-img img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .media-card .media-body {
            flex: 1;
            min-width: 200px;
        }
        .media-card .media-body h5 {
            font-weight: 700;
            font-size: var(--font-size-md);
            margin-bottom: 0.4rem;
        }
        .media-card .media-body p {
            font-size: var(--font-size-sm);
            color: var(--color-text-light);
            margin-bottom: 0.5rem;
        }

        /* ===== 项目标签网格 ===== */
        .sport-tag {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.6rem 1.2rem;
            background: var(--color-white);
            border-radius: 50px;
            font-size: var(--font-size-sm);
            font-weight: 600;
            color: var(--color-text);
            border: 1px solid var(--color-border);
            transition: var(--transition);
            cursor: default;
        }
        .sport-tag i {
            color: var(--color-secondary);
            font-size: 1rem;
        }
        .sport-tag:hover {
            border-color: var(--color-secondary);
            background: rgba(232, 184, 48, 0.05);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.65);
            padding: var(--spacing-xl) 0 var(--spacing-md);
            font-size: var(--font-size-sm);
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--color-white);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            margin-bottom: 0.8rem;
        }
        .footer-brand i {
            color: var(--color-secondary);
        }
        .footer-desc {
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 380px;
        }
        .footer-links {
            padding: 0;
            margin: 0;
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.4rem;
        }
        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: var(--font-size-sm);
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
        }
        .footer-links a:hover {
            color: var(--color-secondary);
            transform: translateX(3px);
        }
        .footer-bottom {
            margin-top: var(--spacing-lg);
            padding-top: var(--spacing-md);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 0.75rem;
            font-size: var(--font-size-xs);
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .hero-category h1 {
                font-size: var(--font-size-2xl);
            }
            .media-card .media-img {
                flex: 0 0 160px;
            }
            .stat-block .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: stretch;
                gap: 0.5rem;
            }
            .header-actions {
                justify-content: space-between;
                flex-wrap: wrap;
            }
            .search-form input {
                min-width: 120px;
            }
            .channel-tabs {
                gap: 0.1rem;
                padding: 0.2rem 0;
            }
            .channel-tabs .nav-item .nav-link {
                padding: 0.4rem 0.8rem;
                font-size: var(--font-size-xs);
            }
            .hero-category {
                min-height: 320px;
            }
            .hero-category h1 {
                font-size: var(--font-size-xl);
            }
            .hero-category .hero-sub {
                font-size: var(--font-size-sm);
            }
            .section-title {
                font-size: var(--font-size-xl);
            }
            .section-block {
                padding: var(--spacing-xl) 0;
            }
            .cta-block {
                padding: 2rem 1.2rem;
            }
            .cta-block h3 {
                font-size: var(--font-size-lg);
            }
            .media-card {
                flex-direction: column;
                padding: 1rem;
            }
            .media-card .media-img {
                flex: 0 0 auto;
                width: 100%;
            }
            .media-card .media-img img {
                height: 180px;
            }
            .stat-block .stat-number {
                font-size: 1.6rem;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .feature-card {
                padding: 1.5rem 1rem;
            }
            .step-item {
                padding: 0.9rem 0.8rem;
            }
            .step-number {
                width: 32px;
                height: 32px;
                font-size: var(--font-size-sm);
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 0.9rem;
                padding-right: 0.9rem;
            }
            .hero-category h1 {
                font-size: 1.4rem;
            }
            .hero-category .hero-sub {
                font-size: var(--font-size-xs);
            }
            .section-title {
                font-size: 1.2rem;
            }
            .section-subtitle {
                font-size: var(--font-size-sm);
            }
            .btn-custom {
                padding: 0.5rem 1.2rem;
                font-size: var(--font-size-xs);
            }
            .header-actions {
                gap: 0.4rem;
            }
            .search-form input {
                min-width: 80px;
                font-size: var(--font-size-xs);
            }
            .btn-cta-nav {
                font-size: var(--font-size-xs);
                padding: 0.4rem 0.8rem;
            }
            .site-logo {
                font-size: 1.1rem;
            }
            .stat-block .stat-number {
                font-size: 1.3rem;
            }
            .stat-block .stat-label {
                font-size: 0.65rem;
            }
            .faq-question {
                font-size: var(--font-size-sm);
                padding: 0.9rem 1rem;
            }
            .faq-answer {
                padding: 0 1rem 0.8rem;
                font-size: var(--font-size-xs);
            }
            .sport-tag {
                font-size: var(--font-size-xs);
                padding: 0.4rem 0.9rem;
            }
        }