/* roulang page: index */
:root {
            --color-primary: #0f1f3d;
            --color-primary-light: #152a54;
            --color-accent: #c9a050;
            --color-accent-light: #d9b968;
            --color-accent-dark: #a07828;
            --color-bg: #f7f6f2;
            --color-white: #ffffff;
            --color-surface: #ffffff;
            --color-text: #1a1a1c;
            --color-text-secondary: #5c5f66;
            --color-text-weak: #8a8d94;
            --color-border: #e2e0da;
            --color-border-light: #eeede8;
            --color-success: #2d8b4e;
            --color-warning: #d4883a;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(15, 31, 61, 0.04);
            --shadow-sm: 0 2px 8px rgba(15, 31, 61, 0.06);
            --shadow-md: 0 6px 20px rgba(15, 31, 61, 0.09);
            --shadow-lg: 0 14px 40px rgba(15, 31, 61, 0.12);
            --shadow-xl: 0 20px 56px rgba(15, 31, 61, 0.16);
            --sidebar-width: 260px;
            --header-height: 64px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, sans-serif;
        }

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

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

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

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

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        button:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 3px;
            border-radius: 6px;
        }

        input {
            font-family: var(--font-body);
        }
        input:focus-visible {
            outline: 2px solid var(--color-accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

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

        /* ========== SIDEBAR NAVIGATION ========== */
        .sidebar-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition-base);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-nav .nav-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-nav .nav-brand .brand-logo {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            line-height: 1.3;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-nav .nav-brand .brand-logo .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-accent);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .sidebar-nav .nav-brand .brand-subtitle {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 2px;
            letter-spacing: 0.04em;
        }

        .sidebar-nav .nav-list {
            flex: 1;
            padding: 16px 14px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav .nav-list .nav-item {
            display: block;
        }
        .sidebar-nav .nav-list .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.95rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
            text-decoration: none;
        }
        .sidebar-nav .nav-list .nav-link:hover {
            background: rgba(255, 255, 255, 0.07);
            color: #ffffff;
        }
        .sidebar-nav .nav-list .nav-link.active {
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(201, 160, 80, 0.35);
        }
        .sidebar-nav .nav-list .nav-link .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 0.9rem;
            flex-shrink: 0;
        }

        .sidebar-nav .nav-footer {
            padding: 18px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }
        .sidebar-nav .nav-footer .footer-info {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.03em;
        }

        /* ========== MAIN CONTENT AREA ========== */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ========== MOBILE HEADER ========== */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-height);
            background: var(--color-primary);
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            box-shadow: var(--shadow-md);
        }
        .mobile-header .mobile-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.15rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            flex: 1;
        }
        .mobile-header .menu-toggle {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.4rem;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
            width: 44px;
            height: 44px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .mobile-header .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ========== SIDEBAR OVERLAY ========== */
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 31, 61, 0.6);
            z-index: 1045;
            transition: opacity var(--transition-base);
        }
        .sidebar-overlay.active {
            display: block;
        }

        /* ========== SECTION STYLES ========== */
        .section {
            padding: 64px 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-lg {
            padding: 80px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--color-accent);
            margin-bottom: 8px;
            padding: 4px 14px;
            background: rgba(201, 160, 80, 0.07);
            border-radius: 20px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            margin-bottom: 36px;
            max-width: 600px;
        }
        .section-divider {
            width: 56px;
            height: 3px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 28px;
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 500px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 61, 0.88) 0%, rgba(15, 31, 61, 0.72) 40%, rgba(21, 42, 84, 0.65) 100%);
            z-index: 1;
        }
        .hero-section .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
        }
        .hero-section .hero-badge {
            display: inline-block;
            background: var(--color-accent);
            color: #ffffff;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            padding: 6px 18px;
            border-radius: 24px;
            margin-bottom: 18px;
        }
        .hero-section .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.03em;
            line-height: 1.2;
            margin-bottom: 14px;
        }
        .hero-section .hero-title .accent {
            color: var(--color-accent-light);
        }
        .hero-section .hero-desc {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 540px;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .hero-section .hero-stats-inline {
            display: flex;
            gap: 32px;
            flex-wrap: wrap;
            margin-top: 8px;
        }
        .hero-section .hero-stat-item {
            text-align: left;
        }
        .hero-section .hero-stat-item .stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent-light);
            line-height: 1;
        }
        .hero-section .hero-stat-item .stat-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }

        /* ========== BUTTONS ========== */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 28px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            border: none;
            text-decoration: none;
            cursor: pointer;
        }
        .btn-brand-primary {
            background: var(--color-accent);
            color: #ffffff;
            box-shadow: 0 4px 16px rgba(201, 160, 80, 0.35);
        }
        .btn-brand-primary:hover {
            background: var(--color-accent-light);
            color: #ffffff;
            box-shadow: 0 6px 22px rgba(201, 160, 80, 0.5);
            transform: translateY(-2px);
        }
        .btn-brand-outline {
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.4);
        }
        .btn-brand-outline:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: #ffffff;
            color: #ffffff;
        }
        .btn-brand-secondary {
            background: var(--color-primary);
            color: #ffffff;
            box-shadow: var(--shadow-sm);
        }
        .btn-brand-secondary:hover {
            background: var(--color-primary-light);
            color: #ffffff;
            box-shadow: var(--shadow-md);
            transform: translateY(-1px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.82rem;
            border-radius: 22px;
        }
        .btn-lg {
            padding: 14px 34px;
            font-size: 1rem;
            border-radius: 30px;
        }

        /* ========== CARDS ========== */
        .card-brand {
            background: var(--color-surface);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-xs);
            height: 100%;
        }
        .card-brand:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-3px);
        }
        .card-brand .card-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            background: rgba(201, 160, 80, 0.1);
            color: var(--color-accent);
        }
        .card-brand .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .card-brand .card-text {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.65;
        }

        /* Data stat card */
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1;
            margin-bottom: 6px;
        }
        .stat-card .stat-value .accent {
            color: var(--color-accent);
        }
        .stat-card .stat-desc {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            letter-spacing: 0.03em;
        }

        /* ========== BRAND STORY ========== */
        .brand-story-block {
            background: var(--color-surface);
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 32px;
            align-items: stretch;
            flex-wrap: wrap;
        }
        .brand-story-block .story-image {
            flex: 0 0 300px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 240px;
            background-image: url('assets/images/coverpic/cover-3.webp');
            background-size: cover;
            background-position: center;
        }
        .brand-story-block .story-body {
            flex: 1;
            min-width: 260px;
        }
        .brand-story-block .story-body h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .brand-story-block .story-body p {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin-bottom: 10px;
        }

        /* ========== NEWS LIST ========== */
        .news-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--color-border-light);
            align-items: flex-start;
            transition: all var(--transition-fast);
        }
        .news-item:last-child {
            border-bottom: none;
        }
        .news-item:hover {
            background: rgba(201, 160, 80, 0.03);
            border-radius: var(--radius-md);
            padding-left: 12px;
            padding-right: 12px;
            margin-left: -12px;
            margin-right: -12px;
        }
        .news-item .news-thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-md);
            object-fit: cover;
            flex-shrink: 0;
        }
        .news-item .news-info {
            flex: 1;
        }
        .news-item .news-date {
            font-size: 0.75rem;
            color: var(--color-text-weak);
            letter-spacing: 0.03em;
            margin-bottom: 4px;
        }
        .news-item .news-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .news-item .news-excerpt {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ========== FAQ ========== */
        .faq-list .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            background: var(--color-surface);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-list .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--color-primary);
            background: var(--color-surface);
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md);
            transition: all var(--transition-fast);
        }
        .faq-list .accordion-button:not(.collapsed) {
            background: rgba(201, 160, 80, 0.05);
            color: var(--color-primary);
            box-shadow: none;
            border-bottom: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        .faq-list .accordion-button:focus {
            box-shadow: none;
            border-color: var(--color-accent);
        }
        .faq-list .accordion-button::after {
            background-size: 14px;
            transition: transform var(--transition-fast);
        }
        .faq-list .accordion-body {
            padding: 16px 20px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            background: var(--color-surface);
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            background: var(--color-primary);
            background-image: url('assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            position: relative;
            border-radius: var(--radius-xl);
            overflow: hidden;
            padding: 48px 40px;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 31, 61, 0.85);
            z-index: 1;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #ffffff;
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 1rem;
            margin-bottom: 24px;
        }

        /* ========== PARTNER / LOGO STRIP ========== */
        .partner-strip {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            align-items: center;
            justify-content: center;
            padding: 20px 0;
        }
        .partner-strip .partner-item {
            padding: 14px 22px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            font-weight: 600;
            color: var(--color-text-secondary);
            font-size: 0.88rem;
            letter-spacing: 0.03em;
            box-shadow: var(--shadow-xs);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .partner-strip .partner-item:hover {
            box-shadow: var(--shadow-sm);
            color: var(--color-primary);
        }

        /* ========== TESTIMONIALS ========== */
        .testimonial-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            height: 100%;
            transition: all var(--transition-base);
        }
        .testimonial-card:hover {
            box-shadow: var(--shadow-md);
        }
        .testimonial-card .testimonial-stars {
            color: var(--color-accent);
            font-size: 0.85rem;
            margin-bottom: 8px;
        }
        .testimonial-card .testimonial-text {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 12px;
            font-style: italic;
        }
        .testimonial-card .testimonial-author {
            font-weight: 600;
            font-size: 0.85rem;
            color: var(--color-primary);
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 24px;
            margin-top: auto;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 1.2rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-bottom: 16px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .site-footer .copyright {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.03em;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 16px;
            margin-top: 16px;
        }

        /* ========== RESPONSIVE ========== */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 220px;
            }
            .hero-section .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .brand-story-block .story-image {
                flex: 0 0 220px;
                min-height: 200px;
            }
            .hero-section .hero-stats-inline {
                gap: 20px;
            }
            .hero-section .hero-stat-item .stat-num {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 768px) {
            .sidebar-nav {
                transform: translateX(-100%);
                width: 280px;
            }
            .sidebar-nav.open {
                transform: translateX(0);
            }
            .sidebar-overlay.active {
                display: block;
            }
            .main-wrapper {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-wrapper {
                padding-top: var(--header-height);
            }
            .hero-section {
                min-height: 380px;
            }
            .hero-section .hero-title {
                font-size: 1.8rem;
            }
            .hero-section .hero-desc {
                font-size: 0.9rem;
            }
            .hero-section .hero-stats-inline {
                gap: 14px;
            }
            .hero-section .hero-stat-item .stat-num {
                font-size: 1.3rem;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .brand-story-block {
                flex-direction: column;
                padding: 24px 20px;
            }
            .brand-story-block .story-image {
                flex: 0 0 180px;
                min-height: 180px;
                width: 100%;
            }
            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .stat-card .stat-value {
                font-size: 2rem;
            }
            .card-brand {
                padding: 20px 16px;
            }
            .news-item .news-thumb {
                width: 70px;
                height: 50px;
            }
            .news-item {
                gap: 10px;
            }
            .partner-strip {
                gap: 14px;
            }
            .partner-strip .partner-item {
                padding: 10px 16px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                min-height: 320px;
            }
            .hero-section .hero-title {
                font-size: 1.5rem;
            }
            .hero-section .hero-desc {
                font-size: 0.82rem;
            }
            .hero-section .hero-stats-inline {
                gap: 10px;
                flex-wrap: wrap;
            }
            .hero-section .hero-stat-item .stat-num {
                font-size: 1.1rem;
            }
            .hero-section .hero-stat-item .stat-label {
                font-size: 0.68rem;
            }
            .section-title {
                font-size: 1.25rem;
            }
            .btn-brand {
                padding: 10px 20px;
                font-size: 0.85rem;
            }
            .btn-lg {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .stat-card .stat-value {
                font-size: 1.6rem;
            }
            .news-item {
                flex-direction: column;
            }
            .news-item .news-thumb {
                width: 100%;
                height: 120px;
            }
            .cta-section {
                padding: 24px 16px;
            }
            .section {
                padding: 32px 0;
            }
            .faq-list .accordion-button {
                font-size: 0.85rem;
                padding: 12px 16px;
            }
            .faq-list .accordion-body {
                font-size: 0.8rem;
                padding: 12px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --brand-deep-blue: #0F2440;
            --brand-navy: #1B3A5C;
            --brand-accent-gold: #C8963E;
            --brand-accent-light: #E0C078;
            --brand-bg: #F6F7F9;
            --brand-white: #FFFFFF;
            --brand-text: #1E293B;
            --brand-text-soft: #64748B;
            --brand-border: #E2E8F0;
            --brand-card-shadow: 0 1px 3px rgba(15, 36, 64, 0.06), 0 4px 16px rgba(15, 36, 64, 0.05);
            --brand-card-hover-shadow: 0 2px 8px rgba(15, 36, 64, 0.08), 0 8px 28px rgba(15, 36, 64, 0.07);
            --brand-radius-sm: 8px;
            --brand-radius: 12px;
            --brand-radius-lg: 16px;
            --sidebar-width: 250px;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            background: var(--brand-bg);
            color: var(--brand-text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            display: flex;
            flex-direction: row;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
        }

        /* ===== Sidebar Navigation ===== */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--brand-deep-blue);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            transition: transform var(--transition-smooth), box-shadow var(--transition-smooth);
            box-shadow: 2px 0 24px rgba(15, 36, 64, 0.18);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
        }
        .sidebar::-webkit-scrollbar {
            width: 4px;
        }
        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 4px;
        }

        .sidebar-brand {
            padding: 24px 20px 20px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
        }
        .sidebar-brand .logo-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.25rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            transition: opacity var(--transition-fast);
        }
        .sidebar-brand .logo-link:hover {
            opacity: 0.85;
            color: #ffffff;
        }
        .sidebar-brand .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--brand-radius-sm);
            background: var(--brand-accent-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--brand-deep-blue);
            flex-shrink: 0;
        }

        .sidebar-nav {
            flex: 1;
            padding: 12px 14px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: var(--brand-radius-sm);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.93rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .sidebar-nav .nav-link .nav-icon {
            width: 34px;
            height: 34px;
            border-radius: 7px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.07);
            transition: all var(--transition-fast);
        }
        .sidebar-nav .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .sidebar-nav .nav-link:hover .nav-icon {
            background: rgba(200, 150, 62, 0.3);
            color: var(--brand-accent-light);
        }
        .sidebar-nav .nav-link.active,
        .sidebar-nav .nav-link[aria-current="page"] {
            background: rgba(200, 150, 62, 0.18);
            color: #ffffff;
            font-weight: 600;
        }
        .sidebar-nav .nav-link.active .nav-icon,
        .sidebar-nav .nav-link[aria-current="page"] .nav-icon {
            background: var(--brand-accent-gold);
            color: var(--brand-deep-blue);
        }
        .sidebar-nav .nav-link:focus-visible {
            outline: 2px solid var(--brand-accent-gold);
            outline-offset: 2px;
        }

        .sidebar-footer {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.4);
            text-align: center;
            line-height: 1.5;
        }

        /* ===== Main Content Area ===== */
        .main-wrapper {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-smooth);
            width: calc(100% - var(--sidebar-width));
        }

        /* ===== Mobile Toggle ===== */
        .mobile-toggle {
            display: none;
            position: fixed;
            top: 14px;
            left: 14px;
            z-index: 1060;
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--brand-deep-blue);
            color: #ffffff;
            border: none;
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            box-shadow: 0 2px 12px rgba(15, 36, 64, 0.35);
            transition: all var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: var(--brand-navy);
            box-shadow: 0 4px 16px rgba(15, 36, 64, 0.45);
        }
        .mobile-toggle:focus-visible {
            outline: 2px solid var(--brand-accent-gold);
            outline-offset: 3px;
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 36, 64, 0.55);
            z-index: 1045;
            opacity: 0;
            transition: opacity var(--transition-smooth);
            pointer-events: none;
        }
        .sidebar-overlay.active {
            opacity: 1;
            pointer-events: auto;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            background: var(--brand-navy) url('assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            padding: 64px 40px;
            color: #ffffff;
            text-align: center;
            overflow: hidden;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 36, 64, 0.7) 0%, rgba(15, 36, 64, 0.88) 100%);
            z-index: 1;
        }
        .page-banner>* {
            position: relative;
            z-index: 2;
        }
        .page-banner .banner-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.85);
            color: #ffffff;
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }
        .page-banner h1 {
            font-size: 2.5rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }
        .page-banner .banner-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto;
            line-height: 1.7;
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 52px 32px;
        }
        .section-block .section-title {
            font-size: 1.65rem;
            font-weight: 700;
            color: var(--brand-text);
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }
        .section-block .section-subtitle {
            font-size: 0.95rem;
            color: var(--brand-text-soft);
            margin-bottom: 32px;
        }

        /* ===== Search Filter Area ===== */
        .filter-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-lg);
            padding: 28px 30px;
            box-shadow: var(--brand-card-shadow);
            border: 1px solid var(--brand-border);
        }
        .filter-card .form-label {
            font-weight: 600;
            font-size: 0.88rem;
            color: var(--brand-text);
            margin-bottom: 6px;
        }
        .filter-card .form-control,
        .filter-card .form-select {
            border-radius: var(--brand-radius-sm);
            border: 1px solid var(--brand-border);
            padding: 10px 14px;
            font-size: 0.93rem;
            transition: all var(--transition-fast);
            background: var(--brand-bg);
        }
        .filter-card .form-control:focus,
        .filter-card .form-select:focus {
            border-color: var(--brand-accent-gold);
            box-shadow: 0 0 0 3px rgba(200, 150, 62, 0.12);
            background: #ffffff;
            outline: none;
        }
        .btn-search {
            background: var(--brand-accent-gold);
            color: #ffffff;
            border: none;
            border-radius: var(--brand-radius-sm);
            padding: 10px 24px;
            font-weight: 600;
            font-size: 0.93rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .btn-search:hover {
            background: #b58532;
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.35);
            transform: translateY(-1px);
        }
        .btn-search:focus-visible {
            outline: 2px solid var(--brand-deep-blue);
            outline-offset: 2px;
        }

        /* ===== Result Cards ===== */
        .result-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius);
            padding: 18px 20px;
            box-shadow: var(--brand-card-shadow);
            border: 1px solid var(--brand-border);
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            transition: all var(--transition-fast);
            cursor: default;
        }
        .result-card:hover {
            box-shadow: var(--brand-card-hover-shadow);
            border-color: #d0d5dd;
            transform: translateY(-2px);
        }
        .result-card .match-date {
            font-size: 0.82rem;
            color: var(--brand-text-soft);
            white-space: nowrap;
            min-width: 80px;
            text-align: center;
        }
        .result-card .match-league {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--brand-accent-gold);
            background: rgba(200, 150, 62, 0.1);
            padding: 3px 10px;
            border-radius: 14px;
            white-space: nowrap;
            letter-spacing: 0.03em;
        }
        .result-card .match-teams {
            flex: 1;
            min-width: 180px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--brand-text);
            text-align: center;
        }
        .result-card .match-score {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--brand-deep-blue);
            background: var(--brand-bg);
            padding: 6px 16px;
            border-radius: var(--brand-radius-sm);
            letter-spacing: 0.04em;
            min-width: 70px;
            text-align: center;
        }
        .result-card .match-status {
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 14px;
            white-space: nowrap;
        }
        .status-finished {
            background: #e6f4ea;
            color: #1a7a3a;
        }
        .status-ongoing {
            background: #fff3e0;
            color: #c77600;
        }

        /* ===== Stat Cards ===== */
        .stat-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius-lg);
            padding: 28px 22px;
            text-align: center;
            box-shadow: var(--brand-card-shadow);
            border: 1px solid var(--brand-border);
            transition: all var(--transition-fast);
        }
        .stat-card:hover {
            box-shadow: var(--brand-card-hover-shadow);
            transform: translateY(-3px);
        }
        .stat-card .stat-icon {
            font-size: 2rem;
            color: var(--brand-accent-gold);
            margin-bottom: 10px;
        }
        .stat-card .stat-number {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--brand-deep-blue);
            letter-spacing: 0.02em;
        }
        .stat-card .stat-label {
            font-size: 0.88rem;
            color: var(--brand-text-soft);
            margin-top: 4px;
        }

        /* ===== League Grid ===== */
        .league-card {
            background: var(--brand-white);
            border-radius: var(--brand-radius);
            overflow: hidden;
            box-shadow: var(--brand-card-shadow);
            border: 1px solid var(--brand-border);
            transition: all var(--transition-fast);
        }
        .league-card:hover {
            box-shadow: var(--brand-card-hover-shadow);
            transform: translateY(-2px);
        }
        .league-card .league-img-wrap {
            height: 160px;
            overflow: hidden;
            position: relative;
        }
        .league-card .league-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .league-card:hover .league-img-wrap img {
            transform: scale(1.05);
        }
        .league-card .league-info {
            padding: 16px 18px;
        }
        .league-card .league-name {
            font-weight: 700;
            font-size: 1rem;
            color: var(--brand-text);
            margin-bottom: 4px;
        }
        .league-card .league-meta {
            font-size: 0.82rem;
            color: var(--brand-text-soft);
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--brand-white);
            border-radius: var(--brand-radius);
            margin-bottom: 10px;
            border: 1px solid var(--brand-border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--brand-card-shadow);
        }
        .faq-item .faq-question {
            padding: 16px 20px;
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--brand-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-item .faq-question:hover {
            background: var(--brand-bg);
        }
        .faq-item .faq-question .faq-icon {
            font-size: 0.8rem;
            color: var(--brand-accent-gold);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 20px;
            font-size: 0.9rem;
            color: var(--brand-text-soft);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 20px 16px 20px;
        }

        /* ===== CTA Block ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--brand-navy) 0%, var(--brand-deep-blue) 100%);
            border-radius: var(--brand-radius-lg);
            padding: 44px 36px;
            text-align: center;
            color: #ffffff;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.2);
            z-index: 1;
        }
        .cta-block>* {
            position: relative;
            z-index: 2;
        }
        .cta-block h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: 0.02em;
        }
        .cta-block p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 22px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-cta-gold {
            background: var(--brand-accent-gold);
            color: #ffffff;
            border: none;
            border-radius: 28px;
            padding: 12px 32px;
            font-weight: 600;
            font-size: 1rem;
            transition: all var(--transition-fast);
            letter-spacing: 0.03em;
            display: inline-block;
        }
        .btn-cta-gold:hover {
            background: #d4a54a;
            color: #ffffff;
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.4);
            transform: translateY(-2px);
        }
        .btn-cta-gold:focus-visible {
            outline: 2px solid #ffffff;
            outline-offset: 3px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--brand-deep-blue);
            color: rgba(255, 255, 255, 0.75);
            padding: 40px 32px 24px;
            margin-top: auto;
            flex-shrink: 0;
        }
        .site-footer .footer-brand {
            font-weight: 700;
            font-size: 1.2rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 6px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 18px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--brand-accent-light);
        }
        .site-footer .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 28px;
            padding-top: 16px;
            text-align: center;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.4);
            letter-spacing: 0.03em;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }
            .sidebar.open {
                transform: translateX(0);
                box-shadow: 4px 0 30px rgba(15, 36, 64, 0.5);
            }
            .sidebar-overlay {
                display: block;
            }
            .mobile-toggle {
                display: flex;
            }
            .main-wrapper {
                margin-left: 0;
                width: 100%;
            }
            .page-banner {
                padding: 48px 20px;
            }
            .page-banner h1 {
                font-size: 1.8rem;
            }
            .page-banner .banner-desc {
                font-size: 0.9rem;
            }
            .section-block {
                padding: 36px 16px;
            }
            .section-block .section-title {
                font-size: 1.35rem;
            }
            .result-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }
            .result-card .match-teams {
                text-align: left;
                min-width: auto;
            }
            .result-card .match-score {
                align-self: center;
            }
            .stat-card .stat-number {
                font-size: 1.7rem;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .site-footer {
                padding: 28px 16px 20px;
            }
        }
        @media (max-width: 575.98px) {
            .page-banner h1 {
                font-size: 1.5rem;
            }
            .page-banner {
                padding: 36px 14px;
            }
            .section-block {
                padding: 28px 12px;
            }
            .filter-card {
                padding: 18px 14px;
            }
            .result-card .match-score {
                font-size: 1.1rem;
                padding: 5px 12px;
            }
            .stat-card {
                padding: 20px 14px;
            }
            .stat-card .stat-number {
                font-size: 1.5rem;
            }
            .league-card .league-img-wrap {
                height: 130px;
            }
            .faq-item .faq-question {
                font-size: 0.88rem;
                padding: 14px 16px;
            }
            .faq-item .faq-answer {
                font-size: 0.84rem;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a365d;
            --color-primary-light: #2c5282;
            --color-primary-dark: #0f2440;
            --color-accent: #b8860b;
            --color-accent-light: #d4a93a;
            --color-accent-glow: #f0d060;
            --color-bg: #f5f6f8;
            --color-white: #ffffff;
            --color-text: #2d3748;
            --color-text-muted: #718096;
            --color-text-light: #a0aec0;
            --color-border: #e2e8f0;
            --color-border-light: #edf2f7;
            --color-card-shadow: rgba(26, 54, 93, 0.07);
            --color-card-hover-shadow: rgba(26, 54, 93, 0.14);
            --color-overlay: rgba(15, 36, 64, 0.75);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 24px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 36px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 20px 50px rgba(0, 0, 0, 0.10), 0 8px 20px rgba(0, 0, 0, 0.06);
            --sidebar-width: 260px;
            --transition-fast: 0.18s ease;
            --transition-smooth: 0.28s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

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

        body {
            font-family: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            margin: 0;
            padding: 0;
            overflow-x: hidden;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        /* ========== 侧边栏导航 ========== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: linear-gradient(180deg, #0f2440 0%, #1a365d 40%, #1a3d60 100%);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition-smooth);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #ffffff;
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }
        .sidebar-brand .brand-link:hover {
            color: var(--color-accent-glow);
        }
        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-light));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1a365d;
            flex-shrink: 0;
        }

        .sidebar-nav-wrap {
            flex: 1;
            padding: 16px 14px;
            display: flex;
            flex-direction: column;
        }
        .nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: rgba(255, 255, 255, 0.35);
            padding: 0 10px;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .nav-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            cursor: pointer;
            position: relative;
        }
        .nav-link .nav-icon {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            background: rgba(255, 255, 255, 0.07);
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .nav-link:hover .nav-icon {
            background: rgba(255, 255, 255, 0.14);
        }
        .nav-link.active {
            background: rgba(255, 255, 255, 0.13);
            color: #ffffff;
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
        }
        .nav-link.active .nav-icon {
            background: var(--color-accent);
            color: #1a365d;
        }

        .sidebar-footer-tip {
            padding: 18px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
            font-size: 0.73rem;
            color: rgba(255, 255, 255, 0.32);
            line-height: 1.5;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* 移动端顶部栏 */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: #1a365d;
            padding: 10px 16px;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .mobile-topbar .topbar-brand {
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            letter-spacing: 0.02em;
        }
        .mobile-topbar .btn-menu {
            background: rgba(255, 255, 255, 0.10);
            border: none;
            color: #fff;
            width: 38px;
            height: 38px;
            border-radius: 8px;
            font-size: 1.2rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast);
        }
        .mobile-topbar .btn-menu:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        /* Offcanvas 移动端侧栏覆盖 */
        .offcanvas-sidebar {
            visibility: hidden;
            pointer-events: none;
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 56px 0;
        }
        .section-block-sm {
            padding: 40px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--color-accent);
            background: rgba(184, 134, 11, 0.08);
            padding: 5px 14px;
            border-radius: 20px;
            margin-bottom: 10px;
        }
        .section-title {
            font-weight: 700;
            color: var(--color-primary-dark);
            margin-bottom: 14px;
            font-size: 2rem;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }
        .section-desc {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 680px;
            line-height: 1.7;
        }

        /* ========== Hero ========== */
        .hero-inner {
            background: linear-gradient(150deg, #1a365d 0%, #0f2440 50%, #1a3d60 100%);
            position: relative;
            overflow: hidden;
            padding: 70px 0 64px;
            color: #ffffff;
        }
        .hero-inner::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.28;
            pointer-events: none;
        }
        .hero-inner .container {
            position: relative;
            z-index: 1;
        }
        .hero-breadcrumb {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 12px;
        }
        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
        }
        .hero-breadcrumb a:hover {
            color: var(--color-accent-glow);
        }
        .hero-inner .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 16px;
            color: #ffffff;
        }
        .hero-inner .hero-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            line-height: 1.7;
        }
        .hero-stat-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 30px;
        }
        .hero-stat-item {
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            min-width: 120px;
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.10);
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent-glow);
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ========== 卡片 ========== */
        .card-custom {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-custom .card-icon-circle {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-custom .card-title {
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--color-primary-dark);
            margin-bottom: 8px;
        }
        .card-custom .card-text {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ========== 图片卡片 ========== */
        .card-image-top {
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-smooth);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .card-image-top:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
        }
        .card-image-top .card-img-wrap {
            height: 200px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .card-image-top .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .card-image-top:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-image-top .card-body-custom {
            padding: 20px 18px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-image-top .card-body-custom .card-tag {
            font-size: 0.72rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--color-accent);
            text-transform: uppercase;
            margin-bottom: 6px;
        }
        .card-image-top .card-body-custom h4 {
            font-weight: 700;
            color: var(--color-primary-dark);
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .card-image-top .card-body-custom p {
            color: var(--color-text-muted);
            font-size: 0.85rem;
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ========== 按钮 ========== */
        .btn-brand {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 30px;
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition-smooth);
            cursor: pointer;
            border: none;
            text-decoration: none;
        }
        .btn-brand-primary {
            background: var(--color-accent);
            color: #1a365d;
        }
        .btn-brand-primary:hover {
            background: var(--color-accent-light);
            color: #1a365d;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-brand-outline {
            background: transparent;
            color: var(--color-primary);
            border: 2px solid var(--color-primary);
        }
        .btn-brand-outline:hover {
            background: var(--color-primary);
            color: #fff;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-brand-white {
            background: #ffffff;
            color: var(--color-primary-dark);
        }
        .btn-brand-white:hover {
            background: #f0f0f0;
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .btn-brand-lg {
            padding: 14px 32px;
            font-size: 1rem;
        }

        /* ========== 标签/徽章 ========== */
        .badge-custom {
            display: inline-block;
            padding: 5px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
        }
        .badge-accent {
            background: rgba(184, 134, 11, 0.12);
            color: var(--color-accent);
        }
        .badge-primary {
            background: rgba(26, 54, 93, 0.08);
            color: var(--color-primary);
        }

        /* ========== FAQ ========== */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--color-white);
        }
        .faq-accordion .accordion-button {
            font-weight: 600;
            color: var(--color-primary-dark);
            font-size: 0.98rem;
            padding: 16px 20px;
            background: var(--color-white);
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: #fafbfc;
            color: var(--color-primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(26, 54, 93, 0.10);
            border-color: var(--color-primary-light);
        }
        .faq-accordion .accordion-button::after {
            transition: transform var(--transition-fast);
        }
        .faq-accordion .accordion-body {
            padding: 6px 20px 20px;
            color: var(--color-text-muted);
            line-height: 1.75;
            font-size: 0.9rem;
        }

        /* ========== CTA 区块 ========== */
        .cta-block {
            background: linear-gradient(135deg, #1a365d 0%, #0f2440 100%);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            color: #ffffff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::after {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 255, 255, 0.04) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-block .cta-title {
            font-size: 1.7rem;
            font-weight: 700;
            position: relative;
            z-index: 1;
        }
        .cta-block .cta-text {
            color: rgba(255, 255, 255, 0.7);
            position: relative;
            z-index: 1;
            margin-bottom: 20px;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #0f1e30;
            color: rgba(255, 255, 255, 0.7);
            padding: 44px 0 20px;
            font-size: 0.88rem;
            flex-shrink: 0;
        }
        .site-footer .footer-brand {
            font-weight: 700;
            font-size: 1.15rem;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 10px 16px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent-glow);
        }
        .site-footer .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 28px;
            padding-top: 16px;
            font-size: 0.76rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            :root {
                --sidebar-width: 230px;
            }
            .hero-inner .hero-title {
                font-size: 2.2rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 991.98px) {
            .app-sidebar {
                transform: translateX(-100%);
                width: 280px;
            }
            .app-sidebar.show {
                transform: translateX(0);
            }
            .offcanvas-sidebar {
                visibility: visible;
                pointer-events: auto;
            }
            .offcanvas-backdrop-custom {
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 1049;
                opacity: 0;
                pointer-events: none;
                transition: opacity var(--transition-smooth);
            }
            .offcanvas-backdrop-custom.show {
                opacity: 1;
                pointer-events: auto;
            }
            .main-content {
                margin-left: 0;
                padding-top: 56px;
            }
            .mobile-topbar {
                display: flex;
            }
            .hero-inner {
                padding: 44px 0 40px;
            }
            .hero-inner .hero-title {
                font-size: 1.8rem;
            }
            .hero-stat-row {
                gap: 14px;
            }
            .hero-stat-item {
                padding: 14px 16px;
                min-width: 90px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
            .section-block {
                padding: 36px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-block {
                padding: 32px 20px;
            }
            .cta-block .cta-title {
                font-size: 1.3rem;
            }
        }

        @media (max-width: 767.98px) {
            .hero-inner .hero-title {
                font-size: 1.5rem;
            }
            .hero-inner .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-stat-row {
                gap: 10px;
            }
            .hero-stat-item {
                padding: 10px 14px;
                min-width: 70px;
                border-radius: 10px;
            }
            .hero-stat-num {
                font-size: 1.25rem;
            }
            .hero-stat-label {
                font-size: 0.68rem;
            }
            .section-block {
                padding: 28px 0;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .card-custom {
                padding: 20px 16px;
            }
            .card-image-top .card-img-wrap {
                height: 160px;
            }
            .site-footer {
                padding: 28px 0 14px;
                font-size: 0.8rem;
            }
        }

        @media (max-width: 520px) {
            .hero-inner {
                padding: 30px 0 28px;
            }
            .hero-inner .hero-title {
                font-size: 1.3rem;
            }
            .hero-stat-row {
                flex-direction: column;
                gap: 8px;
            }
            .hero-stat-item {
                display: flex;
                align-items: center;
                gap: 12px;
                padding: 10px 14px;
            }
            .hero-stat-num {
                font-size: 1.2rem;
                min-width: 48px;
            }
            .cta-block {
                border-radius: var(--radius-md);
                padding: 24px 14px;
            }
            .btn-brand-lg {
                padding: 10px 20px;
                font-size: 0.9rem;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1B2A4A;
            --color-primary-light: #2C3E6B;
            --color-accent: #C8963E;
            --color-accent-hover: #B0842F;
            --color-accent-light: #F5ECD7;
            --color-bg: #F7F8FA;
            --color-surface: #FFFFFF;
            --color-text: #1D1F24;
            --color-text-secondary: #5A5F6B;
            --color-text-muted: #8B8F98;
            --color-border: #E2E5EA;
            --color-border-light: #EEF0F4;
            --color-success: #2E8B57;
            --color-warning: #D4953A;
            --color-info: #3A6FA0;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06), 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.10), 0 3px 10px rgba(0, 0, 0, 0.05);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.12), 0 4px 16px rgba(0, 0, 0, 0.06);
            --sidebar-width: 270px;
            --header-mobile-height: 60px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s ease;
            --font-stack: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
            font-size: 16px;
        }

        body {
            font-family: var(--font-stack);
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }

        .app-wrapper {
            display: flex;
            flex: 1;
            min-height: 100vh;
        }

        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            color: #ffffff;
            z-index: 1000;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.18);
            transition: transform var(--transition-slow), box-shadow var(--transition-slow);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.2) transparent;
        }
        .sidebar::-webkit-scrollbar {
            width: 5px;
        }
        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }
        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 10px;
        }

        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            color: #ffffff;
            white-space: nowrap;
            text-decoration: none;
            transition: opacity var(--transition-fast);
        }
        .sidebar-brand .brand-link:hover {
            opacity: 0.85;
            color: #ffffff;
        }
        .sidebar-brand .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .sidebar-brand .brand-tagline {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
            margin-left: 48px;
            letter-spacing: 0.3px;
        }

        .sidebar-nav-wrap {
            flex: 1;
            padding: 16px 16px 24px;
            display: flex;
            flex-direction: column;
        }
        .sidebar-nav-label {
            font-size: 0.68rem;
            text-transform: uppercase;
            letter-spacing: 1.8px;
            color: rgba(255, 255, 255, 0.35);
            padding: 8px 10px 10px;
            margin-bottom: 4px;
            font-weight: 600;
        }
        .nav-list {
            display: flex;
            flex-direction: column;
            gap: 3px;
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .nav-link {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 12px 14px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            text-decoration: none;
            position: relative;
            letter-spacing: 0.2px;
            white-space: nowrap;
        }
        .nav-link .nav-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            flex-shrink: 0;
            background: rgba(255, 255, 255, 0.07);
            transition: all var(--transition-fast);
        }
        .nav-link:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .nav-link:hover .nav-icon {
            background: rgba(255, 255, 255, 0.14);
        }
        .nav-link.active,
        .nav-link.active:hover {
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(200, 150, 62, 0.35);
        }
        .nav-link.active .nav-icon {
            background: rgba(255, 255, 255, 0.22);
        }

        .sidebar-footer-mini {
            padding: 16px 20px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.3px;
            text-align: center;
        }

        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
            transition: margin-left var(--transition-slow);
        }

        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--color-primary);
            color: #ffffff;
            z-index: 999;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.15);
        }
        .mobile-header .mobile-brand {
            font-weight: 700;
            font-size: 1.1rem;
            letter-spacing: 0.4px;
        }
        .mobile-header .menu-toggle {
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            margin-right: 10px;
            transition: background var(--transition-fast);
            flex-shrink: 0;
        }
        .mobile-header .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.16);
        }

        .offcanvas-custom {
            background: var(--color-primary);
            color: #ffffff;
            width: var(--sidebar-width) !important;
            max-width: 85vw;
        }
        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            padding: 20px 20px 16px;
        }
        .offcanvas-custom .offcanvas-title {
            font-weight: 700;
            font-size: 1.15rem;
            letter-spacing: 0.4px;
            color: #ffffff;
        }
        .offcanvas-custom .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.7;
        }
        .offcanvas-custom .offcanvas-body {
            padding: 12px 16px 24px;
        }
        .offcanvas-custom .nav-list .nav-link {
            font-size: 0.9rem;
            padding: 13px 14px;
            color: rgba(255, 255, 255, 0.78);
            border-radius: var(--radius-md);
        }
        .offcanvas-custom .nav-list .nav-link.active {
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 600;
        }

        @media (max-width: 991.98px) {
            .sidebar {
                transform: translateX(-100%);
                box-shadow: none;
            }
            .sidebar.show-mobile {
                transform: translateX(0);
                box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                padding-top: var(--header-mobile-height);
            }
        }

        .page-hero {
            background: linear-gradient(160deg, #1B2A4A 0%, #1F3558 30%, #1a3350 60%, #152238 100%);
            color: #ffffff;
            padding: 60px 40px 56px;
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -40px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.08);
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30px;
            left: -20px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.03);
            pointer-events: none;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.2);
            color: #E8C97A;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.6px;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: 0.6px;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            line-height: 1.3;
        }
        .page-hero .hero-desc {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }
        @media (max-width: 767.98px) {
            .page-hero {
                padding: 40px 20px 36px;
            }
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero .hero-desc {
                font-size: 0.9rem;
            }
        }

        .section-block {
            padding: 56px 40px;
        }
        @media (max-width: 767.98px) {
            .section-block {
                padding: 36px 18px;
            }
        }

        .section-title {
            font-size: 1.55rem;
            font-weight: 700;
            color: var(--color-primary);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .section-title .title-accent {
            width: 5px;
            height: 28px;
            border-radius: 4px;
            background: var(--color-accent);
            flex-shrink: 0;
        }
        .section-subtitle {
            font-size: 0.92rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            max-width: 600px;
            line-height: 1.6;
        }

        .card-custom {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateY(-3px);
        }
        .card-custom .card-icon-circle {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            margin-bottom: 16px;
            flex-shrink: 0;
        }
        .card-custom .card-icon-circle.accent-bg {
            background: var(--color-accent-light);
            color: var(--color-accent);
        }
        .card-custom .card-icon-circle.primary-bg {
            background: rgba(27, 42, 74, 0.07);
            color: var(--color-primary);
        }
        .card-custom h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
        }
        .card-custom p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .table-custom-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            background: var(--color-surface);
        }
        .table-custom {
            margin-bottom: 0;
            font-size: 0.9rem;
            border-collapse: collapse;
            width: 100%;
            min-width: 620px;
        }
        .table-custom thead th {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            padding: 14px 16px;
            font-size: 0.85rem;
            letter-spacing: 0.4px;
            white-space: nowrap;
            border: none;
            text-align: center;
        }
        .table-custom tbody td {
            padding: 13px 16px;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text);
            vertical-align: middle;
            text-align: center;
        }
        .table-custom tbody tr:last-child td {
            border-bottom: none;
        }
        .table-custom tbody tr:hover {
            background: rgba(200, 150, 62, 0.04);
        }
        .table-custom .badge-tier {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            font-weight: 600;
            font-size: 0.78rem;
            letter-spacing: 0.3px;
        }
        .badge-tier.gold {
            background: #FDF3E0;
            color: #B87D1F;
        }
        .badge-tier.silver {
            background: #ECEEF2;
            color: #4A5568;
        }
        .badge-tier.bronze {
            background: #F9F0E8;
            color: #8B6D4A;
        }

        .step-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .step-item {
            display: flex;
            gap: 18px;
            align-items: flex-start;
            padding: 22px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
        }
        .step-num {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 800;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.86rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .data-card-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .data-card {
            flex: 1 1 160px;
            min-width: 140px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 24px 18px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }
        .data-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .data-card .data-value {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.5px;
            line-height: 1.2;
        }
        .data-card .data-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 6px;
            letter-spacing: 0.3px;
        }

        .tip-card {
            background: var(--color-surface);
            border-left: 4px solid var(--color-accent);
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            padding: 18px 20px;
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .tip-card:hover {
            box-shadow: var(--shadow-md);
        }
        .tip-card h5 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .tip-card p {
            font-size: 0.84rem;
            color: var(--color-text-secondary);
            margin-bottom: 0;
            line-height: 1.6;
        }

        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            background: var(--color-surface);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            padding: 16px 20px;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            user-select: none;
            letter-spacing: 0.2px;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-accent);
        }
        .faq-question .faq-arrow {
            transition: transform var(--transition-fast);
            font-size: 0.75rem;
            color: var(--color-text-muted);
            flex-shrink: 0;
            margin-left: 12px;
        }
        .faq-item.open .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-base), padding var(--transition-base);
            padding: 0 20px;
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 20px 18px;
        }

        .cta-section {
            background: linear-gradient(150deg, #1B2A4A 0%, #243860 50%, #1a3050 100%);
            color: #ffffff;
            padding: 52px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(200, 150, 62, 0.06);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 800;
            letter-spacing: 0.4px;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }
        .btn-cta {
            display: inline-block;
            padding: 13px 34px;
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: 30px;
            letter-spacing: 0.5px;
            transition: all var(--transition-fast);
            position: relative;
            z-index: 1;
            border: none;
            text-decoration: none;
            box-shadow: 0 6px 20px rgba(200, 150, 62, 0.35);
        }
        .btn-cta:hover {
            background: var(--color-accent-hover);
            color: #ffffff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(200, 150, 62, 0.45);
        }

        .site-footer {
            background: #121820;
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 40px 28px;
            font-size: 0.85rem;
        }
        .site-footer .footer-brand {
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.4px;
            margin-bottom: 8px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 7px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent);
        }
        .site-footer .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 24px;
            padding-top: 18px;
            text-align: center;
            font-size: 0.76rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.3px;
        }
        @media (max-width: 767.98px) {
            .site-footer {
                padding: 30px 18px 22px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1a3052;
            --primary-dark: #0f1f35;
            --primary-light: #234570;
            --accent: #c9a96e;
            --accent-light: #dcc08a;
            --accent-dark: #b08942;
            --bg: #f8f9fb;
            --bg-white: #ffffff;
            --bg-light: #f0f2f5;
            --bg-dark: #1a1f2b;
            --text: #1d1f24;
            --text-secondary: #5a5f6b;
            --text-muted: #8b909e;
            --text-light: #b0b6c2;
            --border: #e2e5ec;
            --border-light: #eef0f4;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 16px 48px rgba(0, 0, 0, 0.15);
            --radius-sm: 6px;
            --radius: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --sidebar-width: 260px;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.35;
            font-weight: 700;
            color: var(--text);
        }

        p {
            margin: 0;
        }

        /* ======= 侧边栏 - 桌面端 ======= */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--primary-dark);
            background: linear-gradient(180deg, #0f1f35 0%, #152540 40%, #1a3052 100%);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            box-shadow: 3px 0 24px rgba(0, 0, 0, 0.25);
            transition: transform var(--transition);
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 255, 255, 0.15) transparent;
        }

        .sidebar::-webkit-scrollbar {
            width: 4px;
        }

        .sidebar::-webkit-scrollbar-track {
            background: transparent;
        }

        .sidebar::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.15);
            border-radius: 4px;
        }

        .sidebar-logo {
            padding: 28px 24px 22px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
        }

        .sidebar-logo a {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            transition: opacity var(--transition);
        }

        .sidebar-logo a:hover {
            opacity: 0.85;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius);
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #1a1f2b;
            flex-shrink: 0;
        }

        .sidebar-nav-wrap {
            flex: 1;
            padding: 16px 14px;
            display: flex;
            flex-direction: column;
        }

        .sidebar-nav-label {
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 0.1em;
            color: rgba(255, 255, 255, 0.35);
            padding: 0 10px;
            margin-bottom: 10px;
            font-weight: 600;
        }

        .nav-list {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }

        .nav-link .nav-icon {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            flex-shrink: 0;
            transition: all var(--transition);
        }

        .nav-link:hover {
            color: #ffffff;
            background: rgba(255, 255, 255, 0.07);
        }

        .nav-link:hover .nav-icon {
            background: rgba(255, 255, 255, 0.13);
            transform: scale(1.05);
        }

        .nav-link.active,
        .nav-link.active:hover {
            color: #ffffff;
            background: rgba(201, 169, 110, 0.18);
            font-weight: 600;
        }

        .nav-link.active .nav-icon {
            background: var(--accent);
            color: #1a1f2b;
        }

        .nav-link.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 22px;
            background: var(--accent);
            border-radius: 0 3px 3px 0;
        }

        .sidebar-footer-note {
            padding: 16px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.3);
            text-align: center;
            line-height: 1.5;
        }

        /* ======= 移动端顶部栏 ======= */
        .mobile-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            background: var(--primary-dark);
            background: linear-gradient(135deg, #0f1f35 0%, #1a3052 100%);
            padding: 10px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
            height: 56px;
        }

        .mobile-header .mobile-logo {
            font-size: 1.15rem;
            font-weight: 700;
            color: #ffffff;
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.02em;
        }

        .mobile-header .mobile-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: 6px;
            background: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #1a1f2b;
        }

        .mobile-header .hamburger-btn {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #ffffff;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            cursor: pointer;
            transition: all var(--transition);
            padding: 0;
        }

        .mobile-header .hamburger-btn:hover {
            background: rgba(255, 255, 255, 0.18);
            border-color: rgba(255, 255, 255, 0.35);
        }

        /* ======= Offcanvas 移动端抽屉 ======= */
        .offcanvas-custom {
            background: var(--primary-dark);
            background: linear-gradient(180deg, #0f1f35 0%, #152540 40%, #1a3052 100%);
            color: #fff;
            width: 280px !important;
        }

        .offcanvas-custom .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            padding: 18px 20px;
        }

        .offcanvas-custom .offcanvas-title {
            color: #ffffff;
            font-weight: 700;
            font-size: 1.2rem;
            letter-spacing: 0.02em;
        }

        .offcanvas-custom .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
            transition: opacity var(--transition);
        }

        .offcanvas-custom .btn-close:hover {
            opacity: 1;
        }

        .offcanvas-custom .offcanvas-body {
            padding: 12px 14px;
        }

        .offcanvas-custom .nav-list .nav-link {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            padding: 12px 14px;
        }

        .offcanvas-custom .nav-list .nav-link.active {
            color: #ffffff;
            background: rgba(201, 169, 110, 0.18);
        }

        .offcanvas-custom .nav-list .nav-link.active .nav-icon {
            background: var(--accent);
            color: #1a1f2b;
        }

        /* ======= 主内容区 ======= */
        .main-content {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

        /* ======= Banner ======= */
        .page-banner {
            position: relative;
            background: url('assets/images/backpic/back-2.webp') center / cover no-repeat;
            min-height: 380px;
            display: flex;
            align-items: center;
            padding: 60px 0;
            overflow: hidden;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 31, 53, 0.88) 0%, rgba(26, 48, 82, 0.78) 50%, rgba(15, 31, 53, 0.85) 100%);
            z-index: 1;
        }

        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            color: #ffffff;
        }

        .page-banner .banner-badge {
            display: inline-block;
            background: var(--accent);
            color: #1a1f2b;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .page-banner h1 {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.02em;
            margin-bottom: 12px;
            line-height: 1.25;
        }

        .page-banner .banner-subtitle {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 0;
        }

        .page-banner .banner-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 24px;
        }

        .page-banner .banner-stat {
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .page-banner .banner-stat .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.3;
        }

        /* ======= 通用板块 ======= */
        .section-block {
            padding: 56px 0;
        }

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

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

        .section-block.bg-dark-cta {
            background: var(--primary-dark);
            background: linear-gradient(135deg, #0f1f35 0%, #1a3052 100%);
            color: #ffffff;
        }

        .section-label {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-dark);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 8px;
            letter-spacing: 0.01em;
            color: var(--text);
        }

        .section-desc {
            font-size: 0.95rem;
            color: var(--text-secondary);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 32px;
        }

        .bg-dark-cta .section-title,
        .bg-dark-cta .section-desc {
            color: #ffffff;
        }

        .bg-dark-cta .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ======= 卡片 ======= */
        .guide-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            height: 100%;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            position: relative;
            overflow: hidden;
        }

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

        .guide-card .card-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: var(--radius);
            background: rgba(201, 169, 110, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--accent-dark);
            margin-bottom: 16px;
            transition: all var(--transition);
        }

        .guide-card:hover .card-icon-wrap {
            background: var(--accent);
            color: #1a1f2b;
            transform: scale(1.06);
        }

        .guide-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }

        .guide-card p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.65;
            margin-bottom: 0;
        }

        .guide-card .card-tag {
            display: inline-block;
            font-size: 0.7rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 12px;
            background: rgba(26, 48, 82, 0.07);
            color: var(--primary);
            margin-top: 14px;
            letter-spacing: 0.03em;
        }

        /* 图文卡片 */
        .media-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
            border: 1px solid var(--border-light);
        }

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

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

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

        .media-card .media-card-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .media-card .media-card-body p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* 统计数字卡片 */
        .stat-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(201, 169, 110, 0.3);
        }

        .stat-card .stat-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
            margin-bottom: 6px;
            letter-spacing: -0.01em;
        }

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

        .stat-card .stat-label-text {
            font-size: 0.85rem;
            color: var(--text-secondary);
            font-weight: 500;
        }

        /* ======= 误区列表 ======= */
        .misconception-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .misconception-item {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 18px 20px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .misconception-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(201, 169, 110, 0.25);
        }

        .misconception-item .mis-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: #fef2f2;
            color: #dc3545;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .misconception-item .mis-content h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--text);
        }

        .misconception-item .mis-content p {
            font-size: 0.83rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }

        /* ======= FAQ ======= */
        .faq-accordion .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--bg-white);
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text);
            padding: 16px 20px;
            background: var(--bg-white);
            box-shadow: none;
            border-radius: var(--radius) !important;
            transition: all var(--transition);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(26, 48, 82, 0.03);
            box-shadow: none;
            border-bottom: 1px solid var(--border-light);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(201, 169, 110, 0.2);
            border-color: var(--accent);
        }

        .faq-accordion .accordion-body {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.75;
            padding: 18px 20px 20px;
            background: var(--bg-white);
        }

        /* ======= CTA 板块 ======= */
        .cta-block {
            text-align: center;
            padding: 50px 0;
        }

        .cta-block h2 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 10px;
        }

        .cta-block p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            margin-bottom: 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-accent {
            display: inline-block;
            background: var(--accent);
            color: #1a1f2b;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 28px;
            border: none;
            font-size: 0.95rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
            box-shadow: 0 4px 14px rgba(201, 169, 110, 0.35);
        }

        .btn-accent:hover {
            background: var(--accent-light);
            box-shadow: 0 6px 22px rgba(201, 169, 110, 0.5);
            transform: translateY(-2px);
            color: #1a1f2b;
        }

        .btn-outline-light-custom {
            display: inline-block;
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            padding: 11px 26px;
            border-radius: 28px;
            border: 2px solid rgba(255, 255, 255, 0.4);
            font-size: 0.9rem;
            letter-spacing: 0.02em;
            transition: all var(--transition);
            cursor: pointer;
            text-align: center;
        }

        .btn-outline-light-custom:hover {
            border-color: #ffffff;
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }

        /* ======= 页脚 ======= */
        .site-footer {
            background: #0f1a28;
            background: linear-gradient(180deg, #111d2e 0%, #0d1724 100%);
            color: rgba(255, 255, 255, 0.7);
            padding: 44px 0 24px;
            font-size: 0.88rem;
            flex-shrink: 0;
        }

        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.03em;
            margin-bottom: 6px;
        }

        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.82rem;
            transition: color var(--transition);
        }

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

        .site-footer .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 28px;
            padding-top: 18px;
            text-align: center;
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.02em;
        }

        /* ======= 响应式 ======= */
        @media (max-width: 991.98px) {
            .sidebar {
                display: none !important;
            }

            .main-content {
                margin-left: 0 !important;
                padding-top: 56px;
            }

            .page-banner {
                min-height: 280px;
                padding: 40px 0;
            }

            .page-banner h1 {
                font-size: 1.8rem;
            }

            .page-banner .banner-subtitle {
                font-size: 0.9rem;
            }

            .page-banner .banner-stats-row {
                gap: 16px;
            }

            .page-banner .banner-stat .stat-num {
                font-size: 1.4rem;
            }

            .section-block {
                padding: 36px 0;
            }

            .section-title {
                font-size: 1.4rem;
            }

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

            .stat-card .stat-number {
                font-size: 2rem;
            }

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

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

        @media (max-width: 575.98px) {
            .page-banner {
                min-height: 240px;
                padding: 30px 0;
            }

            .page-banner h1 {
                font-size: 1.5rem;
            }

            .page-banner .banner-stats-row {
                flex-direction: column;
                gap: 10px;
            }

            .section-title {
                font-size: 1.25rem;
            }

            .stat-card .stat-number {
                font-size: 1.7rem;
            }

            .guide-card h3 {
                font-size: 0.95rem;
            }

            .guide-card p {
                font-size: 0.8rem;
            }

            .btn-accent,
            .btn-outline-light-custom {
                padding: 10px 20px;
                font-size: 0.85rem;
            }

            .site-footer {
                padding: 28px 0 18px;
                font-size: 0.8rem;
            }
        }

        @media (min-width: 992px) {
            .mobile-header {
                display: none !important;
            }

            .offcanvas-custom {
                display: none !important;
            }
        }

/* roulang page: category5 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #1B3A5C;
            --color-primary-dark: #0F2640;
            --color-primary-light: #2A5280;
            --color-accent: #C8963E;
            --color-accent-light: #D9B068;
            --color-accent-dark: #A67A2E;
            --color-bg: #F4F6F9;
            --color-surface: #FFFFFF;
            --color-text: #1E293B;
            --color-text-secondary: #64748B;
            --color-text-muted: #94A3B8;
            --color-border: #E2E8F0;
            --color-border-light: #F1F5F9;
            --color-success: #10B981;
            --color-warning: #F59E0B;
            --color-danger: #EF4444;
            --sidebar-width: 260px;
            --header-mobile-height: 56px;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-xs: 0 1px 2px rgba(0, 0, 0, 0.04);
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.10);
            --shadow-xl: 0 12px 60px rgba(0, 0, 0, 0.12);
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

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

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

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

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

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

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

        /* ============ 主布局容器 ============ */
        .app-layout {
            display: flex;
            min-height: 100vh;
        }

        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin-left var(--transition-base);
        }

        /* ============ 侧边栏导航 ============ */
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-lg);
            transition: transform var(--transition-slow), box-shadow var(--transition-base);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-header {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }

        .sidebar-logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.2;
        }
        .sidebar-logo i {
            color: var(--color-accent);
            font-size: 1.4rem;
        }

        .sidebar-tagline {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.50);
            margin-top: 6px;
            letter-spacing: 0.03em;
        }

        .sidebar-nav {
            padding: 16px 0;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 24px;
            color: rgba(255, 255, 255, 0.70);
            font-size: 0.92rem;
            font-weight: 500;
            border-radius: 0;
            transition: all var(--transition-fast);
            border-left: 3px solid transparent;
            letter-spacing: 0.01em;
            position: relative;
            white-space: nowrap;
        }
        .sidebar .nav-link .nav-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            font-size: 0.85rem;
            transition: all var(--transition-fast);
            flex-shrink: 0;
        }
        .sidebar .nav-link:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.05);
            border-left-color: rgba(255, 255, 255, 0.30);
        }
        .sidebar .nav-link:hover .nav-icon {
            background: rgba(255, 255, 255, 0.13);
        }
        .sidebar .nav-link.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }
        .sidebar .nav-link.active .nav-icon {
            background: var(--color-accent);
            color: #FFFFFF;
            box-shadow: 0 2px 12px rgba(200, 150, 62, 0.35);
        }

        .sidebar-footer {
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            flex-shrink: 0;
        }
        .sidebar-footer .disclaimer-text {
            font-size: 0.70rem;
            color: rgba(255, 255, 255, 0.35);
            line-height: 1.5;
            letter-spacing: 0.02em;
        }

        /* ============ 移动端顶部栏 ============ */
        .mobile-header {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--header-mobile-height);
            background: var(--color-primary);
            z-index: 1035;
            align-items: center;
            padding: 0 16px;
            box-shadow: var(--shadow-md);
        }
        .mobile-header .mobile-logo {
            font-size: 1.1rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.02em;
        }
        .mobile-header .navbar-toggler {
            border: none;
            background: rgba(255, 255, 255, 0.10);
            color: #FFFFFF;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            padding: 0;
            margin-right: 12px;
            cursor: pointer;
            transition: background var(--transition-fast);
        }
        .mobile-header .navbar-toggler:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        /* ============ Offcanvas 移动端抽屉 ============ */
        .offcanvas-sidebar {
            background: var(--color-primary) !important;
            width: 280px !important;
            border-right: none !important;
        }
        .offcanvas-sidebar .offcanvas-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.10);
            padding: 20px 20px 16px;
        }
        .offcanvas-sidebar .offcanvas-title {
            font-size: 1.25rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.02em;
        }
        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.8;
        }
        .offcanvas-sidebar .offcanvas-body {
            padding: 10px 0;
        }
        .offcanvas-sidebar .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 20px;
            color: rgba(255, 255, 255, 0.70);
            font-size: 0.92rem;
            font-weight: 500;
            border-left: 3px solid transparent;
            transition: all var(--transition-fast);
        }
        .offcanvas-sidebar .nav-link .nav-icon {
            width: 34px;
            height: 34px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255, 255, 255, 0.06);
            font-size: 0.85rem;
        }
        .offcanvas-sidebar .nav-link:hover {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.05);
        }
        .offcanvas-sidebar .nav-link.active {
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
            border-left-color: var(--color-accent);
            font-weight: 600;
        }
        .offcanvas-sidebar .nav-link.active .nav-icon {
            background: var(--color-accent);
            color: #FFFFFF;
        }

        /* ============ Hero 板块 ============ */
        .hero-section {
            position: relative;
            background: linear-gradient(170deg, #0F2640 0%, #1B3A5C 35%, #1a3f62 100%);
            padding: 60px 40px;
            color: #FFFFFF;
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.15) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -80px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(200, 150, 62, 0.20);
            color: var(--color-accent-light);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 50px;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            border: 1px solid rgba(200, 150, 62, 0.25);
        }
        .hero-section h1 {
            font-size: 2.6rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
            line-height: 1.25;
        }
        .hero-section .hero-subtitle {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 600px;
            line-height: 1.7;
            position: relative;
            z-index: 1;
            margin-bottom: 24px;
        }
        .hero-stats-row {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
            margin-top: 8px;
        }
        .hero-stat-item {
            text-align: center;
            min-width: 80px;
        }
        .hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
            letter-spacing: 0.02em;
        }
        .hero-stat-label {
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
            letter-spacing: 0.03em;
        }

        /* ============ 通用板块 ============ */
        .section-block {
            padding: 50px 40px;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--color-accent-dark);
            margin-bottom: 6px;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 28px;
        }
        .bg-light-alt {
            background: #F8FAFB;
        }
        .bg-white-alt {
            background: #FFFFFF;
        }

        /* ============ 卡片系统 ============ */
        .card-custom {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-base);
            overflow: hidden;
            height: 100%;
        }
        .card-custom:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--color-border);
        }
        .card-custom .card-img-wrap {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16 / 10;
            background: #f0f3f7;
        }
        .card-custom .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card-custom:hover .card-img-wrap img {
            transform: scale(1.04);
        }
        .card-custom .card-body-custom {
            padding: 20px 20px 18px;
        }
        .card-custom .card-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }
        .tag-accent {
            background: rgba(200, 150, 62, 0.12);
            color: var(--color-accent-dark);
        }
        .tag-primary {
            background: rgba(27, 58, 92, 0.08);
            color: var(--color-primary);
        }
        .tag-success {
            background: rgba(16, 185, 129, 0.10);
            color: #0D9488;
        }
        .tag-warning {
            background: rgba(245, 158, 11, 0.10);
            color: #D97706;
        }
        .card-custom .card-title-custom {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }
        .card-custom .card-text-custom {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 0;
        }
        .card-custom .card-meta {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 8px;
            display: flex;
            gap: 14px;
            align-items: center;
        }

        /* 专家卡片 */
        .expert-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
        }
        .expert-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .expert-avatar {
            width: 90px;
            height: 90px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 14px;
            border: 3px solid var(--color-accent);
            box-shadow: 0 4px 20px rgba(200, 150, 62, 0.20);
        }
        .expert-card .expert-name {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 2px;
        }
        .expert-card .expert-title-role {
            font-size: 0.78rem;
            color: var(--color-accent-dark);
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 8px;
        }
        .expert-card .expert-bio {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        .expert-stats-mini {
            display: flex;
            justify-content: center;
            gap: 18px;
            margin-top: 12px;
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }
        .expert-stats-mini span {
            font-weight: 700;
            color: var(--color-primary);
            font-size: 0.9rem;
        }

        /* 推荐行卡片 */
        .recommendation-row {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-xs);
            padding: 18px 22px;
            display: flex;
            align-items: center;
            gap: 18px;
            transition: all var(--transition-base);
            flex-wrap: wrap;
        }
        .recommendation-row:hover {
            box-shadow: var(--shadow-md);
            border-color: #d0d7e0;
        }
        .rec-status-badge {
            font-size: 0.72rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 50px;
            letter-spacing: 0.03em;
            white-space: nowrap;
        }
        .rec-status-win {
            background: #ECFDF5;
            color: #059669;
        }
        .rec-status-pending {
            background: #FFFBEB;
            color: #D97706;
        }
        .rec-status-loss {
            background: #FEF2F2;
            color: #DC2626;
        }
        .rec-info {
            flex: 1;
            min-width: 180px;
        }
        .rec-info .rec-title {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--color-text);
            margin-bottom: 2px;
        }
        .rec-info .rec-detail {
            font-size: 0.78rem;
            color: var(--color-text-secondary);
        }
        .rec-odds {
            font-weight: 700;
            font-size: 1rem;
            color: var(--color-primary);
            white-space: nowrap;
        }

        /* 统计数字卡片 */
        .stat-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition-base);
            height: 100%;
        }
        .stat-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .stat-card .stat-icon-wrap {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
            font-size: 1.3rem;
        }
        .stat-icon-accent {
            background: rgba(200, 150, 62, 0.12);
            color: var(--color-accent-dark);
        }
        .stat-icon-primary {
            background: rgba(27, 58, 92, 0.08);
            color: var(--color-primary);
        }
        .stat-icon-success {
            background: rgba(16, 185, 129, 0.10);
            color: #059669;
        }
        .stat-icon-warning {
            background: rgba(245, 158, 11, 0.10);
            color: #D97706;
        }
        .stat-card .stat-number-lg {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1;
            letter-spacing: 0.02em;
        }
        .stat-card .stat-label-sm {
            font-size: 0.80rem;
            color: var(--color-text-secondary);
            margin-top: 6px;
            letter-spacing: 0.02em;
        }

        /* ============ 流程/步骤 ============ */
        .step-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .step-item {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            padding: 20px 22px;
            box-shadow: var(--shadow-xs);
            transition: all var(--transition-base);
        }
        .step-item:hover {
            box-shadow: var(--shadow-sm);
            border-color: #d0d7e0;
        }
        .step-number {
            width: 42px;
            height: 42px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #FFFFFF;
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .step-content h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ============ FAQ 板块 ============ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-xs);
            overflow: hidden;
            transition: all var(--transition-base);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 18px 22px;
            font-size: 0.98rem;
            font-weight: 600;
            color: var(--color-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            transition: color var(--transition-fast);
            line-height: 1.4;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            font-size: 0.85rem;
            color: var(--color-accent);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }
        .faq-item.open .faq-icon {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
            padding: 0 22px;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 18px;
        }
        .faq-answer p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin: 0;
        }

        /* ============ CTA 板块 ============ */
        .cta-section {
            background: linear-gradient(160deg, #1B3A5C 0%, #0F2640 100%);
            color: #FFFFFF;
            padding: 50px 40px;
            text-align: center;
            border-radius: 0;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -80px;
            width: 350px;
            height: 350px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(200, 150, 62, 0.18) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            letter-spacing: 0.02em;
            position: relative;
            z-index: 1;
            margin-bottom: 8px;
        }
        .cta-section p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.70);
            position: relative;
            z-index: 1;
            margin-bottom: 22px;
            max-width: 520px;
            margin-left: auto;
            margin-right: auto;
        }
        .btn-accent-cta {
            background: var(--color-accent);
            color: #FFFFFF;
            border: none;
            padding: 13px 34px;
            font-size: 0.95rem;
            font-weight: 700;
            border-radius: 50px;
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: all var(--transition-base);
            position: relative;
            z-index: 1;
            display: inline-block;
            box-shadow: 0 6px 28px rgba(200, 150, 62, 0.35);
        }
        .btn-accent-cta:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 10px 36px rgba(200, 150, 62, 0.45);
            color: #FFFFFF;
        }

        /* 通用按钮 */
        .btn-outline-custom {
            border: 2px solid var(--color-accent);
            color: var(--color-accent-dark);
            background: transparent;
            padding: 9px 22px;
            font-size: 0.85rem;
            font-weight: 600;
            border-radius: 50px;
            letter-spacing: 0.03em;
            cursor: pointer;
            transition: all var(--transition-fast);
            display: inline-block;
        }
        .btn-outline-custom:hover {
            background: var(--color-accent);
            color: #FFFFFF;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: #0F1E30;
            color: rgba(255, 255, 255, 0.70);
            padding: 40px 40px 24px;
            font-size: 0.85rem;
            margin-top: auto;
            flex-shrink: 0;
        }
        .site-footer .footer-brand {
            font-size: 1.2rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: 0.02em;
            margin-bottom: 6px;
        }
        .site-footer .footer-links {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: var(--color-accent-light);
        }
        .site-footer .copyright {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            margin-top: 24px;
            padding-top: 16px;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            text-align: center;
            letter-spacing: 0.02em;
        }

        /* ============ 分隔线 ============ */
        .section-divider {
            width: 50px;
            height: 4px;
            background: var(--color-accent);
            border-radius: 2px;
            margin-bottom: 18px;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 1199.98px) {
            .section-block {
                padding: 40px 28px;
            }
            .hero-section {
                padding: 44px 28px;
            }
            .hero-section h1 {
                font-size: 2.1rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .site-footer {
                padding: 32px 28px 20px;
            }
            .cta-section {
                padding: 40px 28px;
            }
        }

        @media (max-width: 991.98px) {
            .sidebar {
                display: none;
            }
            .main-content {
                margin-left: 0;
            }
            .mobile-header {
                display: flex;
            }
            .main-content {
                padding-top: var(--header-mobile-height);
            }
            .hero-section {
                padding: 36px 20px;
            }
            .hero-section h1 {
                font-size: 1.7rem;
            }
            .hero-section .hero-subtitle {
                font-size: 0.9rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
            .section-block {
                padding: 32px 20px;
            }
            .section-title {
                font-size: 1.35rem;
            }
            .section-desc {
                font-size: 0.88rem;
            }
            .recommendation-row {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .site-footer {
                padding: 24px 20px 16px;
            }
            .stat-card .stat-number-lg {
                font-size: 1.7rem;
            }
            .expert-card {
                padding: 18px 14px;
            }
            .expert-avatar {
                width: 70px;
                height: 70px;
            }
        }

        @media (max-width: 575.98px) {
            .hero-section {
                padding: 28px 14px;
            }
            .hero-section h1 {
                font-size: 1.4rem;
            }
            .hero-section .hero-subtitle {
                font-size: 0.82rem;
            }
            .hero-stats-row {
                gap: 10px;
                justify-content: center;
            }
            .hero-stat-number {
                font-size: 1.25rem;
            }
            .hero-stat-label {
                font-size: 0.68rem;
            }
            .hero-badge {
                font-size: 0.7rem;
                padding: 4px 12px;
            }
            .section-block {
                padding: 24px 14px;
            }
            .section-title {
                font-size: 1.2rem;
            }
            .section-desc {
                font-size: 0.82rem;
            }
            .card-custom .card-body-custom {
                padding: 14px 14px 12px;
            }
            .card-custom .card-title-custom {
                font-size: 0.9rem;
            }
            .expert-card {
                padding: 14px 10px;
            }
            .expert-avatar {
                width: 56px;
                height: 56px;
            }
            .expert-card .expert-name {
                font-size: 0.92rem;
            }
            .stat-card {
                padding: 16px 12px;
            }
            .stat-card .stat-number-lg {
                font-size: 1.4rem;
            }
            .faq-question {
                font-size: 0.85rem;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px;
            }
            .faq-item.open .faq-answer {
                padding: 0 16px 14px;
            }
            .faq-answer p {
                font-size: 0.78rem;
            }
            .cta-section h2 {
                font-size: 1.2rem;
            }
            .cta-section p {
                font-size: 0.82rem;
            }
            .btn-accent-cta {
                padding: 10px 24px;
                font-size: 0.85rem;
            }
            .recommendation-row {
                padding: 12px 14px;
            }
            .rec-info .rec-title {
                font-size: 0.85rem;
            }
            .step-item {
                padding: 14px 16px;
                gap: 10px;
            }
            .step-number {
                width: 34px;
                height: 34px;
                font-size: 0.9rem;
            }
            .step-content h4 {
                font-size: 0.88rem;
            }
            .step-content p {
                font-size: 0.76rem;
            }
            .site-footer {
                padding: 20px 14px 14px;
            }
            .site-footer .footer-brand {
                font-size: 1rem;
            }
        }