/* roulang page: index */
:root {
            --primary: #1e40af;
            --primary-light: #3b82f6;
            --primary-dark: #1e3a8a;
            --accent: #f97316;
            --accent-light: #fb923c;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --text-dark: #0f172a;
            --text-mid: #334155;
            --text-light: #64748b;
            --border-light: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 40px rgba(0,0,0,0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            background: var(--bg-body);
            color: var(--text-dark);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            outline: none;
            transition: var(--transition);
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 900px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ===== header / nav ===== */
        .site-header {
            background: var(--bg-white);
            box-shadow: var(--shadow-sm);
            position: sticky;
            top: 0;
            z-index: 100;
            border-bottom: 1px solid var(--border-light);
        }
        .header-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
        }
        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i {
            font-size: 1.8rem;
            color: var(--accent);
        }
        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .header-actions .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border: 1px solid var(--border-light);
            border-radius: 50px;
            padding: 6px 16px;
            gap: 8px;
        }
        .header-actions .search-box input {
            border: none;
            background: transparent;
            padding: 4px 0;
            font-size: 0.9rem;
            color: var(--text-dark);
            min-width: 140px;
        }
        .header-actions .search-box input::placeholder {
            color: var(--text-light);
        }
        .header-actions .search-box i {
            color: var(--text-light);
            font-size: 0.9rem;
        }
        .header-actions .btn-cta-sm {
            background: var(--accent);
            color: #fff;
            padding: 8px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.85rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .header-actions .btn-cta-sm:hover {
            background: var(--accent);
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(249, 115, 22, 0.4);
        }

        .nav-channel {
            display: flex;
            align-items: center;
            gap: 4px;
            padding: 6px 0 10px 0;
            flex-wrap: wrap;
        }
        .nav-channel a {
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-mid);
            transition: var(--transition);
            white-space: nowrap;
        }
        .nav-channel a:hover {
            background: var(--primary);
            color: #fff;
        }
        .nav-channel a.active {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .nav-channel a i {
            margin-right: 6px;
            font-size: 0.8rem;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
        }

        /* ===== hero ===== */
        .hero {
            position: relative;
            min-height: 75vh;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            padding: 80px 20px;
            overflow: hidden;
            background: var(--primary-dark);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 58, 138, 0.88) 0%, rgba(30, 64, 175, 0.72) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 850px;
            color: #fff;
        }
        .hero-content h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -1px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.25);
        }
        .hero-content h1 .highlight {
            color: var(--accent);
        }
        .hero-content p {
            font-size: 1.2rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.88);
            margin-bottom: 36px;
            max-width: 680px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .hero-buttons .btn-primary {
            background: var(--accent);
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .hero-buttons .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(249, 115, 22, 0.45);
        }
        .hero-buttons .btn-secondary {
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(6px);
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255,255,255,0.3);
            cursor: pointer;
            transition: var(--transition);
        }
        .hero-buttons .btn-secondary:hover {
            background: rgba(255,255,255,0.2);
            border-color: #fff;
            transform: translateY(-3px);
        }

        /* ===== section common ===== */
        section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-light);
            max-width: 600px;
            margin-bottom: 48px;
        }
        .section-title-center {
            text-align: center;
        }
        .section-subtitle-center {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 28px;
        }
        .card-grid-3 {
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        }
        .card-grid-4 {
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
        }
        .card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .card-img {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--border-light);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .card:hover .card-img img {
            transform: scale(1.05);
        }
        .card-body {
            padding: 20px 22px 24px;
        }
        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-dark);
        }
        .card-body p {
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.6;
        }
        .card-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 3px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-light);
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }
        .card-meta i {
            margin-right: 4px;
        }

        /* ===== stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 32px;
            text-align: center;
        }
        .stat-item {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .stat-number .suffix {
            font-size: 1.6rem;
            color: var(--accent);
        }
        .stat-label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 6px;
        }

        /* ===== features ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-icon {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin: 0 auto 18px;
            transition: var(--transition);
        }
        .feature-card:hover .feature-icon {
            background: var(--accent);
            transform: scale(1.08);
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-light);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ===== testimonials ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 28px;
        }
        .testimonial-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .testimonial-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .testimonial-card .stars {
            color: #f59e0b;
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .testimonial-card blockquote {
            font-size: 0.95rem;
            color: var(--text-mid);
            line-height: 1.7;
            font-style: italic;
            margin-bottom: 16px;
        }
        .testimonial-card .author {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-card .author img {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            object-fit: cover;
            border: 2px solid var(--border-light);
        }
        .testimonial-card .author .name {
            font-weight: 600;
            font-size: 0.95rem;
        }
        .testimonial-card .author .role {
            font-size: 0.82rem;
            color: var(--text-light);
        }

        /* ===== faq ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-dark);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
        }
        .faq-question i {
            color: var(--primary);
            transition: var(--transition);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }
        .faq-answer.open {
            display: block;
        }
        .faq-question[aria-expanded="true"]+.faq-answer {
            display: block;
        }

        /* ===== cta ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            text-align: center;
            padding: 80px 20px;
            border-radius: var(--radius-lg);
            margin: 0 20px;
        }
        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255,255,255,0.85);
            max-width: 580px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-cta {
            background: var(--accent);
            color: #fff;
            padding: 16px 48px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(249, 115, 22, 0.45);
        }

        /* ===== footer ===== */
        .site-footer {
            background: #0f172a;
            color: rgba(255,255,255,0.8);
            padding: 56px 0 32px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .footer-brand .logo {
            color: #fff;
            font-size: 1.4rem;
            margin-bottom: 12px;
        }
        .footer-brand .logo span {
            background: linear-gradient(135deg, #60a5fa, #93c5fd);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255,255,255,0.6);
            max-width: 300px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: rgba(255,255,255,0.6);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.45);
            gap: 12px;
        }
        .footer-bottom a {
            color: rgba(255,255,255,0.55);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        .footer-socials {
            display: flex;
            gap: 14px;
        }
        .footer-socials a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.6);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 2.6rem;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
                gap: 12px;
            }
            .header-actions .search-box {
                display: none;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-channel {
                display: none;
                flex-direction: column;
                width: 100%;
                gap: 2px;
                padding: 8px 0 14px;
            }
            .nav-channel.open {
                display: flex;
            }
            .nav-channel a {
                width: 100%;
                text-align: center;
                padding: 10px 18px;
            }
            .hero {
                min-height: 60vh;
                padding: 60px 20px;
            }
            .hero-content h1 {
                font-size: 2rem;
            }
            .hero-content p {
                font-size: 1rem;
            }
            section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .card-grid,
            .card-grid-3,
            .card-grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
            }
            .features-grid {
                grid-template-columns: 1fr 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-section {
                margin: 0 12px;
                padding: 56px 16px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 1.6rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .stat-number {
                font-size: 2rem;
            }
            .logo {
                font-size: 1.2rem;
            }
            .header-actions .btn-cta-sm {
                padding: 6px 14px;
                font-size: 0.78rem;
            }
        }

        /* ===== skeleton / empty ===== */
        .empty-list {
            text-align: center;
            padding: 48px 20px;
            color: var(--text-light);
            font-size: 1rem;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            border: 1px dashed var(--border-light);
        }
        .empty-list i {
            font-size: 2.4rem;
            color: var(--border-light);
            margin-bottom: 16px;
            display: block;
        }

        /* scroll animation helper */
        .fade-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

/* roulang page: article */
/* ============================================
           设计变量与基础重置
           ============================================ */
        :root {
            --primary: #dc2626;
            --primary-dark: #b91c1c;
            --primary-light: #fef2f2;
            --secondary: #1e293b;
            --accent: #f59e0b;
            --bg-body: #f8fafc;
            --bg-white: #ffffff;
            --text-dark: #0f172a;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.10);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --max-width: 1200px;
            --header-h: 70px;
        }

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

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

        body {
            font-family: var(--font-sans);
            background-color: var(--bg-body);
            color: var(--text-dark);
            line-height: 1.7;
            font-size: 16px;
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        ul {
            list-style: none;
        }

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

        /* ============================================
           导航 - 频道式双行布局
           ============================================ */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.04);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            padding: 0 24px;
            max-width: var(--max-width);
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
        }

        .logo i {
            font-size: 28px;
            color: var(--primary);
        }

        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-channel {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--bg-body);
            padding: 4px 6px;
            border-radius: 50px;
            border: 1px solid var(--border);
            overflow-x: auto;
            scrollbar-width: none;
        }

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

        .nav-channel a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-channel a i {
            font-size: 15px;
        }

        .nav-channel a:hover {
            color: var(--primary);
            background: rgba(220, 38, 38, 0.06);
        }

        .nav-channel a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(220, 38, 38, 0.30);
        }

        .nav-channel a.active i {
            color: #fff;
        }

        /* 移动端菜单切换 */
        .menu-toggle {
            display: none;
            background: none;
            font-size: 26px;
            color: var(--text-dark);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
            transition: var(--transition);
        }

        .menu-toggle:hover {
            background: var(--bg-body);
        }

        /* ============================================
           Hero 板块 (文章页横幅)
           ============================================ */
        .article-hero {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, #0f172a 0%, #1e293b 60%, #334155 100%);
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }

        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }

        .article-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }

        .article-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }

        .article-hero .breadcrumb a:hover {
            color: #fff;
        }

        .article-hero .breadcrumb i {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        .article-hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            max-width: 860px;
            margin: 0 auto 16px;
            letter-spacing: -0.5px;
        }

        .article-hero .meta-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }

        .article-hero .meta-bar span {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .article-hero .meta-bar i {
            font-size: 15px;
            color: var(--accent);
        }

        .article-hero .category-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 30px;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }

        /* ============================================
           文章正文区
           ============================================ */
        .article-main {
            padding: 60px 0 80px;
        }

        .article-layout {
            display: grid;
            grid-template-columns: minmax(0, 1fr) 320px;
            gap: 48px;
            align-items: start;
        }

        .article-content {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 48px 48px 56px;
            border: 1px solid var(--border);
        }

        .article-content .cms-body {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-dark);
        }

        .article-content .cms-body p {
            margin-bottom: 1.6em;
        }

        .article-content .cms-body h2 {
            font-size: 26px;
            font-weight: 700;
            margin: 2em 0 0.8em;
            color: var(--secondary);
            border-bottom: 3px solid var(--primary-light);
            padding-bottom: 10px;
        }

        .article-content .cms-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 1.8em 0 0.6em;
            color: var(--secondary);
        }

        .article-content .cms-body ul,
        .article-content .cms-body ol {
            padding-left: 24px;
            margin-bottom: 1.6em;
        }

        .article-content .cms-body li {
            margin-bottom: 0.5em;
        }

        .article-content .cms-body ul li {
            list-style: disc;
        }

        .article-content .cms-body ol li {
            list-style: decimal;
        }

        .article-content .cms-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--primary-light);
            padding: 18px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.6em 0;
            font-style: italic;
            color: var(--text-muted);
        }

        .article-content .cms-body img {
            border-radius: var(--radius-sm);
            margin: 1.6em 0;
            box-shadow: var(--shadow);
        }

        .article-content .cms-body a {
            color: var(--primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-content .cms-body a:hover {
            color: var(--primary-dark);
        }

        .article-content .cms-body code {
            background: #f1f5f9;
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--primary-dark);
        }

        .article-content .cms-body pre {
            background: #1e293b;
            color: #e2e8f0;
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            margin: 1.6em 0;
            font-size: 14px;
            line-height: 1.6;
        }

        .article-content .cms-body pre code {
            background: none;
            color: inherit;
            padding: 0;
        }

        /* 内容未找到 */
        .article-not-found {
            text-align: center;
            padding: 80px 20px;
        }

        .article-not-found .not-found-icon {
            font-size: 72px;
            color: var(--text-light);
            margin-bottom: 24px;
        }

        .article-not-found h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
        }

        .article-not-found p {
            color: var(--text-muted);
            font-size: 16px;
            margin-bottom: 28px;
        }

        .article-not-found .btn-back {
            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-back:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(220, 38, 38, 0.30);
        }

        /* ============================================
           侧边栏
           ============================================ */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }

        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
            border: 1px solid var(--border);
        }

        .sidebar-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .sidebar-card h3 i {
            color: var(--primary);
            font-size: 20px;
        }

        .sidebar-list li {
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
        }

        .sidebar-list li:last-child {
            border-bottom: none;
        }

        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-dark);
            transition: var(--transition);
        }

        .sidebar-list a:hover {
            color: var(--primary);
            transform: translateX(4px);
        }

        .sidebar-list a i {
            font-size: 14px;
            color: var(--text-light);
            transition: var(--transition);
        }

        .sidebar-list a:hover i {
            color: var(--primary);
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border: none;
        }

        .sidebar-cta h3 {
            color: #fff;
        }

        .sidebar-cta h3 i {
            color: var(--accent);
        }

        .sidebar-cta p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 20px;
            line-height: 1.7;
        }

        .sidebar-cta .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 28px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            border-radius: 50px;
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
            background: transparent;
        }

        .sidebar-cta .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.15);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ============================================
           相关文章 / 推荐
           ============================================ */
        .related-section {
            padding: 60px 0 80px;
            background: var(--bg-body);
            border-top: 1px solid var(--border);
        }

        .related-section .section-title {
            font-size: 28px;
            font-weight: 800;
            color: var(--secondary);
            text-align: center;
            margin-bottom: 40px;
        }

        .related-section .section-title i {
            color: var(--primary);
            margin-right: 10px;
        }

        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .related-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }

        .related-card .card-body {
            padding: 20px 22px 24px;
        }

        .related-card .card-body h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .related-card .card-body h4 a:hover {
            color: var(--primary);
        }

        .related-card .card-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card .card-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: 12px;
            font-size: 13px;
            color: var(--text-light);
        }

        .related-card .card-meta i {
            margin-right: 4px;
        }

        /* ============================================
           页脚 — 完整复用
           ============================================ */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.85);
            padding: 60px 0 32px;
        }

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

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .logo span {
            background: none;
            -webkit-text-fill-color: #fff;
            color: #fff;
        }

        .footer-brand .logo i {
            color: var(--primary);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            border-radius: 4px;
            background: var(--primary);
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col ul li a:hover {
            color: #fff;
            transform: translateX(4px);
        }

        .footer-col ul li a i {
            font-size: 14px;
            color: var(--primary);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition);
        }

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

        .footer-socials {
            display: flex;
            gap: 14px;
        }

        .footer-socials a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.6);
            font-size: 18px;
            transition: var(--transition);
        }

        .footer-socials a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        /* ============================================
           Responsive
           ============================================ */
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
            }

            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 12px 16px;
                gap: 12px;
            }

            .menu-toggle {
                display: block;
            }

            .nav-channel {
                display: none;
                width: 100%;
                flex-direction: row;
                flex-wrap: nowrap;
                overflow-x: auto;
                padding: 6px 10px;
                gap: 6px;
                background: var(--bg-white);
                border: 1px solid var(--border);
                border-radius: 12px;
            }

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

            .nav-channel a {
                font-size: 13px;
                padding: 6px 16px;
            }

            .article-hero {
                padding: 50px 0 40px;
                min-height: auto;
            }

            .article-hero h1 {
                font-size: 26px;
            }

            .article-hero .meta-bar {
                gap: 12px;
                font-size: 13px;
            }

            .article-main {
                padding: 32px 0 48px;
            }

            .article-content {
                padding: 24px 20px 32px;
            }

            .article-content .cms-body {
                font-size: 15px;
            }

            .article-content .cms-body h2 {
                font-size: 20px;
            }

            .article-content .cms-body h3 {
                font-size: 17px;
            }

            .article-sidebar {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .related-section {
                padding: 40px 0 50px;
            }

            .related-section .section-title {
                font-size: 22px;
            }

            .related-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .site-footer {
                padding: 40px 0 24px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .article-hero h1 {
                font-size: 22px;
            }

            .article-content {
                padding: 18px 14px 24px;
                border-radius: var(--radius-sm);
            }

            .article-content .cms-body h2 {
                font-size: 18px;
            }

            .related-card .card-img {
                height: 160px;
            }

            .sidebar-card {
                padding: 20px 16px;
            }
        }

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

            .nav-channel {
                display: flex !important;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b76;
            --secondary: #1d3557;
            --secondary-light: #2b4d7a;
            --accent: #f4a261;
            --bg-light: #f8f9fa;
            --bg-white: #ffffff;
            --text-dark: #1a1a2e;
            --text-muted: #6c757d;
            --text-light: #adb5bd;
            --border: #e9ecef;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-sans);
            background: var(--bg-light);
            color: var(--text-dark);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 导航 ===== */
        .site-header {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--secondary);
            white-space: nowrap;
        }
        .logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .logo span {
            background: linear-gradient(135deg, var(--secondary), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-channel {
            display: flex;
            align-items: center;
            gap: 6px;
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
            flex: 1;
            justify-content: flex-end;
        }
        .nav-channel::-webkit-scrollbar {
            display: none;
        }
        .nav-channel a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .nav-channel a i {
            font-size: 0.85rem;
        }
        .nav-channel a:hover {
            background: rgba(230, 57, 70, 0.06);
            color: var(--primary);
            border-color: rgba(230, 57, 70, 0.15);
        }
        .nav-channel a.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(230, 57, 70, 0.3);
        }
        .nav-channel a.active i {
            color: #fff;
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--secondary);
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 10px 0;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-channel {
                width: 100%;
                flex-wrap: nowrap;
                overflow-x: auto;
                justify-content: flex-start;
                padding: 6px 0 4px;
                gap: 4px;
                display: none;
            }
            .nav-channel.open {
                display: flex;
            }
            .nav-channel a {
                padding: 6px 14px;
                font-size: 0.82rem;
                flex-shrink: 0;
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
        }
        @media (max-width: 520px) {
            .nav-channel a {
                padding: 5px 12px;
                font-size: 0.75rem;
                gap: 4px;
            }
            .nav-channel a i {
                font-size: 0.7rem;
            }
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b2a 100%);
            overflow: hidden;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
        }
        .category-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-light), transparent);
        }
        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .category-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 6px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
        }
        .category-hero .hero-badge i {
            color: var(--accent);
        }
        .category-hero h1 {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.15;
            margin: 0 0 20px;
            letter-spacing: -0.02em;
        }
        .category-hero h1 span {
            background: linear-gradient(135deg, var(--accent), #ffb703);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .category-hero p {
            max-width: 700px;
            margin: 0 auto 32px;
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.8;
        }
        .category-hero .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 1rem;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            font-family: inherit;
            text-decoration: none;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.4);
        }
        .btn-primary:active {
            transform: translateY(0);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            transform: translateY(-2px);
        }
        @media (max-width: 768px) {
            .category-hero {
                padding: 70px 0 60px;
                min-height: 360px;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .category-hero p {
                font-size: 1rem;
            }
            .btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }
        @media (max-width: 520px) {
            .category-hero {
                padding: 50px 0 50px;
                min-height: 300px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .category-hero p {
                font-size: 0.9rem;
            }
            .category-hero .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 80px 0;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 16px;
            line-height: 1.25;
        }
        .section-sub {
            max-width: 640px;
            color: var(--text-muted);
            font-size: 1.05rem;
            line-height: 1.8;
            margin: 0 auto 48px;
            text-align: center;
        }
        .text-center {
            text-align: center;
        }
        .text-center .section-sub {
            margin-left: auto;
            margin-right: auto;
        }
        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }
            .section-sub {
                margin-bottom: 32px;
                font-size: 0.95rem;
            }
        }

        /* ===== 核心项目卡片 ===== */
        .sport-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
        }
        .sport-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border);
            display: flex;
            flex-direction: column;
        }
        .sport-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(230, 57, 70, 0.15);
        }
        .sport-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            background: var(--border);
        }
        .sport-card .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .sport-card .card-tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
            align-self: flex-start;
        }
        .sport-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 10px;
        }
        .sport-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }
        .sport-card .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .sport-card .card-footer .meta {
            font-size: 0.8rem;
            color: var(--text-light);
        }
        .sport-card .card-footer .meta i {
            margin-right: 4px;
        }
        .sport-card .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition);
        }
        .sport-card .card-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }
        @media (max-width: 640px) {
            .sport-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .sport-card .card-img {
                height: 180px;
            }
            .sport-card .card-body {
                padding: 18px;
            }
        }

        /* ===== 服务流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .step-item .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            font-weight: 800;
            margin: 0 auto 18px;
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.25);
        }
        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 10px;
        }
        .step-item p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        @media (max-width: 640px) {
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .step-item {
                padding: 24px 14px;
            }
            .step-item .step-num {
                width: 44px;
                height: 44px;
                font-size: 1.1rem;
            }
            .step-item h4 {
                font-size: 0.95rem;
            }
        }
        @media (max-width: 420px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 适用场景 ===== */
        .scene-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .scene-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 28px 24px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
            align-items: flex-start;
        }
        .scene-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(230, 57, 70, 0.12);
        }
        .scene-card .scene-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(230, 57, 70, 0.08);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
        }
        .scene-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--secondary);
            margin: 0 0 8px;
        }
        .scene-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }
        @media (max-width: 640px) {
            .scene-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 32px 16px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-lg);
        }
        .stat-item .stat-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-item .stat-number span {
            font-size: 1.2rem;
            font-weight: 600;
        }
        .stat-item .stat-label {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin: 0;
        }
        @media (max-width: 640px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .stat-item {
                padding: 24px 12px;
            }
            .stat-item .stat-number {
                font-size: 1.8rem;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(230, 57, 70, 0.15);
        }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--secondary);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--primary);
            font-size: 1.1rem;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
        }
        .faq-answer.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            margin: 0;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.8;
        }
        @media (max-width: 640px) {
            .faq-question {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-answer.open {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary) 0%, #0d1b2a 100%);
            padding: 80px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3vw, 2.4rem);
            font-weight: 800;
            color: #fff;
            margin: 0 0 16px;
        }
        .cta-section p {
            max-width: 600px;
            margin: 0 auto 32px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .cta-section .btn-white {
            background: #fff;
            color: var(--secondary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }
        .cta-section .btn-white:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
            background: #f8f9fa;
        }
        .cta-section .btn-outline-white {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.3);
        }
        .cta-section .btn-outline-white:hover {
            border-color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }
        @media (max-width: 640px) {
            .cta-section {
                padding: 50px 0;
            }
            .cta-section .btn {
                width: 100%;
                justify-content: center;
            }
            .cta-section .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0d1b2a;
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            color: var(--primary-light);
        }
        .footer-brand .logo span {
            background: linear-gradient(135deg, #fff, rgba(255, 255, 255, 0.7));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 18px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .footer-bottom a:hover {
            color: #fff;
        }
        .footer-socials {
            display: flex;
            gap: 16px;
        }
        .footer-socials a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 1rem;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 面包屑 ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 6px;
            padding: 16px 0 0;
            font-size: 0.85rem;
            color: var(--text-light);
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb span {
            color: var(--text-dark);
        }
        .breadcrumb .sep {
            color: var(--text-light);
        }
        @media (max-width: 640px) {
            .breadcrumb {
                font-size: 0.78rem;
                padding: 12px 0 0;
            }
        }

        /* ===== 特色标签行 ===== */
        .feature-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 24px;
        }
        .feature-tags .tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.75);
            transition: var(--transition);
        }
        .feature-tags .tag:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.25);
        }
        .feature-tags .tag i {
            color: var(--accent);
            font-size: 0.75rem;
        }
        @media (max-width: 640px) {
            .feature-tags .tag {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
        }

        /* ===== 辅助 ===== */
        .mb-0 {
            margin-bottom: 0;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .bg-white {
            background: var(--bg-white);
        }
        .bg-light {
            background: var(--bg-light);
        }
        .border-top {
            border-top: 1px solid var(--border);
        }