/* roulang page: index */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #06b6d4;
            --accent-dark: #0891b2;
            --bg-body: #f4f6fa;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --text-main: #111827;
            --text-muted: #6b7280;
            --border: #e5e7eb;
            --radius: 18px;
            --radius-sm: 12px;
            --radius-xs: 8px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1240px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 90px 0;
        }

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

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent-dark);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 18px;
            border-radius: 30px;
            letter-spacing: 1px;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.5px;
        }

        .section-desc {
            font-size: 17px;
            color: var(--text-muted);
            max-width: 640px;
            margin: 0 auto;
        }

        .btn {
            border-radius: var(--radius-sm);
            font-weight: 600;
            padding: 12px 30px;
            transition: all var(--transition);
            letter-spacing: 0.5px;
            border: 2px solid transparent;
        }

        .btn:focus,
        .btn:focus-visible {
            outline: 3px solid rgba(6, 182, 212, 0.4);
            outline-offset: 2px;
            box-shadow: none;
        }

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

        .btn-accent:hover {
            background: var(--accent-dark);
            border-color: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(6, 182, 212, 0.32);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border-color: rgba(255, 255, 255, 0.7);
        }

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

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

        .btn-dark:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(15, 23, 42, 0.25);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            background: var(--bg-dark);
            padding: 14px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            position: sticky;
            top: 0;
            z-index: 999;
        }

        .nav-panel {
            background: var(--primary-light);
            border-radius: var(--radius);
            padding: 10px 18px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
        }

        .navbar-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
            padding: 0;
            margin: 0;
        }

        .navbar-brand:hover {
            color: var(--accent);
        }

        .navbar-brand span {
            color: var(--accent);
        }

        .navbar-nav {
            gap: 6px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            padding: 10px 18px !important;
            border-radius: var(--radius-xs);
            transition: all var(--transition);
        }

        .nav-link i {
            margin-right: 6px;
            font-size: 14px;
            opacity: 0.8;
        }

        .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .nav-link.active {
            color: #fff;
            background: rgba(6, 182, 212, 0.25);
            font-weight: 700;
        }

        .nav-cta {
            margin-left: 10px;
        }

        .nav-cta .btn {
            padding: 8px 24px;
            font-size: 14px;
            border-radius: 10px;
        }

        .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 6px 10px;
            border-radius: 8px;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.4);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 640px;
            display: flex;
            align-items: center;
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(115deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.72) 50%, rgba(6, 182, 212, 0.25) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 750px;
            padding: 80px 0;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            padding: 8px 20px;
            border-radius: 40px;
            color: #fff;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 24px;
        }

        .badge-dot {
            width: 8px;
            height: 8px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            animation: pulse 2s infinite;
        }

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

        .hero-title {
            font-size: 52px;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            letter-spacing: -1px;
            margin-bottom: 18px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }

        .hero-subtitle {
            font-size: 19px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 32px;
            max-width: 620px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 48px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-stat {
            text-align: left;
        }

        .stat-num {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 4px;
        }

        /* ===== Features ===== */
        .feature-card {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 28px;
            height: 100%;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(6, 182, 212, 0.3);
        }

        .feature-icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: rgba(6, 182, 212, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 20px;
            transition: all var(--transition);
        }

        .feature-card:hover .feature-icon {
            background: var(--accent);
            color: #fff;
            transform: scale(1.05);
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .feature-card p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Categories ===== */
        .categories .section {
            background: var(--bg-body);
        }

        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            display: block;
            height: 100%;
            border: 1px solid var(--border);
            transition: all var(--transition);
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(6, 182, 212, 0.3);
        }

        .category-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .category-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .category-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.5), transparent);
        }

        .category-body {
            padding: 24px 24px 28px;
        }

        .category-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .category-body p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .category-link {
            font-weight: 600;
            color: var(--accent-dark);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }

        .category-card:hover .category-link {
            gap: 12px;
        }

        /* ===== News List ===== */
        .news-panel {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 40px;
            border: 1px solid var(--border);
        }

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

        .news-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: var(--bg-body);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            border: 1px solid transparent;
            transition: all var(--transition);
        }

        .news-card:hover {
            border-color: rgba(6, 182, 212, 0.3);
            background: #fff;
            box-shadow: var(--shadow-sm);
            transform: translateX(6px);
        }

        .news-card-main {
            flex: 1;
            min-width: 0;
        }

        .news-tag {
            display: inline-block;
            background: rgba(6, 182, 212, 0.1);
            color: var(--accent-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 20px;
            margin-bottom: 6px;
        }

        .news-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            margin: 0;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-desc {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 600px;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-muted);
            white-space: nowrap;
        }

        .news-arrow {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            background: var(--bg-card);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 14px;
            transition: all var(--transition);
        }

        .news-card:hover .news-arrow {
            background: var(--accent);
            color: #fff;
        }

        .empty-tip {
            text-align: center;
            padding: 48px 24px;
            color: var(--text-muted);
            font-size: 16px;
            background: var(--bg-body);
            border-radius: var(--radius-sm);
        }

        .news-more {
            text-align: center;
            margin-top: 28px;
        }

        /* ===== Stats ===== */
        .stats-panel {
            background: var(--bg-dark);
            border-radius: var(--radius);
            padding: 56px 48px;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .stats-panel::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(6, 182, 212, 0.2), transparent);
            border-radius: 50%;
        }

        .stat-item {
            text-align: center;
            padding: 20px;
        }

        .stat-number {
            font-size: 40px;
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 4px;
            background: linear-gradient(135deg, #06b6d4, #fff);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== Process ===== */
        .step-item {
            text-align: center;
            padding: 36px 20px;
            position: relative;
        }

        .step-num {
            font-size: 48px;
            font-weight: 900;
            color: rgba(6, 182, 212, 0.12);
            line-height: 1;
            margin-bottom: 16px;
        }

        .step-icon {
            width: 68px;
            height: 68px;
            border-radius: 50%;
            background: var(--bg-card);
            border: 2px solid rgba(6, 182, 212, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--accent);
            margin: 0 auto 20px;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }

        .step-item:hover .step-icon {
            background: var(--accent);
            color: #fff;
            transform: scale(1.1);
            box-shadow: 0 8px 24px rgba(6, 182, 212, 0.3);
        }

        .step-item h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-item p {
            color: var(--text-muted);
            font-size: 14px;
        }

        .step-line {
            position: absolute;
            top: 70px;
            right: -30%;
            width: 60%;
            height: 2px;
            border-top: 2px dashed rgba(6, 182, 212, 0.3);
        }

        .step-item:last-child .step-line {
            display: none;
        }

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

        .accordion-item {
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 16px;
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .accordion-button {
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            background: var(--bg-card);
            border: none;
            transition: all var(--transition);
        }

        .accordion-button:not(.collapsed) {
            background: rgba(6, 182, 212, 0.06);
            color: var(--accent-dark);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(6, 182, 212, 0.2);
            border: none;
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%236b7280'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .accordion-button:not(.collapsed)::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2306b6d4'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .accordion-body {
            padding: 20px 24px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
            background: var(--bg-card);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
        }

        .cta-panel {
            position: relative;
            background-size: cover;
            background-position: center;
            border-radius: var(--radius);
            padding: 80px 60px;
            text-align: center;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92), rgba(15, 23, 42, 0.7));
        }

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

        .cta-content h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 28px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 15px;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            margin-bottom: 10px;
            transition: all var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 24px 0;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }

        .site-domain {
            color: rgba(255, 255, 255, 0.5);
            font-weight: 500;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .section {
                padding: 70px 0;
            }

            .hero-title {
                font-size: 42px;
            }

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

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }

            .section-title {
                font-size: 28px;
            }

            .hero {
                min-height: 520px;
            }

            .hero-title {
                font-size: 34px;
            }

            .hero-subtitle {
                font-size: 16px;
            }

            .hero-stats {
                gap: 20px;
            }

            .stat-num {
                font-size: 24px;
            }

            .nav-panel {
                padding: 8px 12px;
            }

            .navbar-nav {
                gap: 4px;
                margin-top: 12px;
            }

            .nav-link {
                padding: 10px 14px !important;
            }

            .news-card {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .news-card-meta {
                width: 100%;
                justify-content: space-between;
            }

            .news-title,
            .news-desc {
                white-space: normal;
            }

            .stats-panel {
                padding: 40px 24px;
            }

            .stat-number {
                font-size: 30px;
            }

            .cta-panel {
                padding: 48px 24px;
            }

            .cta-content h2 {
                font-size: 26px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .step-line {
                display: none;
            }
        }

        @media (max-width: 520px) {
            .section {
                padding: 44px 0;
            }

            .section-title {
                font-size: 24px;
            }

            .hero {
                min-height: 480px;
            }

            .hero-title {
                font-size: 28px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .news-panel {
                padding: 20px;
            }

            .news-card {
                padding: 16px;
            }

            .cta-panel {
                padding: 36px 20px;
                border-radius: var(--radius-sm);
            }

            .cta-content p {
                font-size: 15px;
            }

            .stat-number {
                font-size: 26px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #4F46E5;
            --primary-dark: #4338CA;
            --primary-light: #EEF2FF;
            --accent: #F59E0B;
            --accent-dark: #D97706;
            --bg-body: #F8FAFC;
            --bg-deep: #0F172A;
            --bg-card: #FFFFFF;
            --text-main: #1E293B;
            --text-muted: #64748B;
            --border-color: #E2E8F0;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 40px rgba(15, 23, 42, 0.12);
            --spacer: 1rem;
            --transition: all 0.3s ease;
            --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font-sans);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-main);
            background-color: var(--bg-body);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

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

        /* ===== 导航 ===== */
        .site-header {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(226, 232, 240, 0.8);
            position: sticky;
            top: 0;
            z-index: 1050;
            padding: 12px 0;
        }

        .nav-panel {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 0.5rem 1rem;
            border: 1px solid rgba(226, 232, 240, 0.7);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }

        .navbar-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: normal;
            line-height: 1.3;
            max-width: 200px;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar-nav {
            gap: 0.25rem;
            flex-wrap: wrap;
        }

        .nav-link {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-muted);
            padding: 0.5rem 1rem !important;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }

        .nav-link i {
            margin-right: 6px;
            opacity: 0.8;
        }

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

        .nav-link.active {
            color: var(--primary);
            background: var(--primary-light);
            font-weight: 700;
        }

        .btn-accent {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            border: none;
            font-weight: 700;
            padding: 0.6rem 1.5rem;
            border-radius: 50px;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
            color: #fff;
        }

        .navbar-toggler {
            border: 1px solid var(--border-color);
            padding: 0.4rem 0.6rem;
            border-radius: var(--radius-sm);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(30,41,59,0.8)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ===== 页面Banr ===== */
        .page-banner {
            position: relative;
            background: linear-gradient(135deg, var(--bg-deep) 0%, #1E3A5F 60%, var(--primary-dark) 100%);
            padding: 72px 0;
            color: #fff;
            overflow: hidden;
        }

        .page-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

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

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            backdrop-filter: blur(6px);
            margin-bottom: 18px;
        }

        .page-banner h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.3;
            letter-spacing: 1px;
        }

        .page-banner .lead {
            font-size: 1.1rem;
            max-width: 620px;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 24px;
        }

        .breadcrumb-nav {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            list-style: none;
            padding: 0;
            margin: 0;
            font-size: 0.9rem;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.75);
        }

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

        .breadcrumb-nav .sep {
            color: rgba(255, 255, 255, 0.45);
        }

        .breadcrumb-nav .current {
            color: var(--accent);
            font-weight: 600;
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 72px 0;
        }

        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--text-main);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 660px;
            line-height: 1.7;
        }

        .section-head-wrap {
            margin-bottom: 42px;
        }

        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.85rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 12px;
            letter-spacing: 1px;
        }

        /* ===== 卡片 ===== */
        .guide-card {
            background: var(--bg-card);
            border: 1px solid rgba(226, 232, 240, 0.8);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            height: 100%;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(79, 70, 229, 0.25);
        }

        .guide-card .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--primary);
            color: #fff;
            border-radius: 12px;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 16px;
        }

        .guide-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .guide-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        .guide-card .card-link {
            display: inline-block;
            margin-top: 14px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
        }

        /* 登录方式卡片 */
        .method-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            text-align: center;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .method-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

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

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

        .method-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 68px;
            height: 68px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            font-size: 1.6rem;
            margin-bottom: 18px;
        }

        .method-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .method-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 16px;
        }

        .method-tag {
            display: inline-block;
            background: #F1F5F9;
            color: var(--text-muted);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 50px;
        }

        /* 图文区块 */
        .split-block {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(226, 232, 240, 0.6);
            margin-bottom: 28px;
        }

        .split-img-wrap {
            position: relative;
            min-height: 300px;
            background: var(--primary-light);
        }

        .split-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }

        .split-content {
            padding: 40px 36px;
        }

        .split-content h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .split-content p {
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .split-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0 0;
        }

        .split-list li {
            padding: 8px 0;
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-main);
        }

        .split-list li i {
            color: var(--primary);
            margin-top: 4px;
            flex-shrink: 0;
        }

        /* 步骤时间线 */
        .step-timeline {
            position: relative;
            padding-left: 32px;
        }

        .step-timeline::before {
            content: "";
            position: absolute;
            left: 12px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent));
            border-radius: 2px;
            opacity: 0.3;
        }

        .timeline-item {
            position: relative;
            padding: 18px 0;
            padding-left: 24px;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -26px;
            top: 24px;
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .timeline-item .tl-num {
            font-weight: 800;
            color: var(--primary);
            font-size: 0.9rem;
        }

        .timeline-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 6px 0 6px;
        }

        .timeline-item p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }

        /* ===== 安全提示卡片 ===== */
        .safety-card {
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.04), rgba(245, 158, 11, 0.04));
            border: 1px solid rgba(79, 70, 229, 0.12);
            border-radius: var(--radius-md);
            padding: 28px;
            height: 100%;
            transition: var(--transition);
        }

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

        .safety-card .safety-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 50px;
            height: 50px;
            background: var(--primary-light);
            border-radius: 14px;
            color: var(--primary);
            font-size: 1.2rem;
            margin-bottom: 14px;
        }

        .safety-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .safety-card p {
            color: var(--text-muted);
            font-size: 0.92rem;
            margin-bottom: 0;
        }

        /* ===== 统计 ===== */
        .stats-band {
            background: var(--bg-deep);
            border-radius: var(--radius-lg);
            padding: 48px 32px;
            margin: 32px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-band::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.12;
        }

        .stats-band .stat-item {
            text-align: center;
            position: relative;
            z-index: 2;
            color: #fff;
            padding: 16px;
        }

        .stat-item .stat-num {
            font-size: 2.4rem;
            font-weight: 800;
            line-height: 1.2;
            background: linear-gradient(135deg, #fff, rgba(255, 255, 255, 0.7));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        .stat-item .stat-label {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md) !important;
            margin-bottom: 14px;
            overflow: hidden;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .accordion-button {
            font-weight: 700;
            color: var(--text-main);
            background: var(--bg-card);
            padding: 1.1rem 1.4rem;
            font-size: 1rem;
            border: none;
        }

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

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
            border-color: transparent;
        }

        .accordion-body {
            padding: 1rem 1.4rem 1.4rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            margin: 32px 0;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.1;
        }

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

        .cta-section h2 {
            color: #fff;
            font-size: 1.9rem;
            font-weight: 800;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 26px;
            font-size: 1.05rem;
        }

        .btn-light-custom {
            background: #fff;
            color: var(--primary);
            border-radius: 50px;
            padding: 0.7rem 2rem;
            font-weight: 700;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.15);
        }

        .btn-light-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.2);
            color: var(--primary);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 28px;
            margin-top: 72px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 360px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            font-size: 0.92rem;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .site-domain {
            color: rgba(255, 255, 255, 0.6);
            font-weight: 600;
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .footer-top {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 52px 0;
            }

            .page-banner {
                padding: 56px 0;
            }

            .navbar-brand {
                font-size: 1.1rem;
                max-width: 160px;
            }

            .navbar-nav {
                padding: 12px 0;
            }

            .nav-link {
                padding: 0.6rem 0.8rem !important;
                border-radius: var(--radius-sm);
            }

            .nav-cta {
                margin: 10px 0;
                display: inline-block;
                text-align: center;
            }

            .split-content {
                padding: 28px 24px;
            }

            .split-img-wrap {
                min-height: 220px;
            }

            .cta-section {
                padding: 40px 24px;
            }

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

            .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

            .stats-band {
                padding: 32px 20px;
            }

            .stat-item .stat-num {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .navbar-brand {
                font-size: 1rem;
                max-width: 140px;
            }

            .page-banner h1 {
                font-size: 1.6rem;
            }

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

            .guide-card {
                padding: 22px 18px;
            }

            .method-card {
                padding: 26px 18px;
            }

            .split-content {
                padding: 22px 18px;
            }

            .timeline-item {
                padding-left: 16px;
            }

            .step-timeline {
                padding-left: 24px;
            }

            .cta-section {
                padding: 32px 18px;
                border-radius: var(--radius-md);
            }

            .btn-accent {
                padding: 0.5rem 1.2rem;
                font-size: 0.9rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #1e2556;
            --primary-light: #2d3575;
            --primary-dark: #141a3f;
            --accent: #f6a821;
            --accent-dark: #d98c0a;
            --accent-light: #fff4dd;
            --success: #10b981;
            --bg: #f5f6fb;
            --bg-white: #ffffff;
            --bg-dark: #0c1024;
            --text: #1e2533;
            --text-muted: #6b7280;
            --border: #e5e7f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 12px 32px rgba(20, 26, 63, 0.08);
            --shadow-lg: 0 20px 48px rgba(20, 26, 63, 0.14);
            --shadow-accent: 0 8px 24px rgba(246, 168, 33, 0.25);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        .container {
            max-width: 1280px;
        }

        .section-title {
            font-size: 1.9rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            position: relative;
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 1rem;
            margin-bottom: 2rem;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent-dark);
            background: var(--accent-light);
            padding: 0.3rem 0.9rem;
            border-radius: 50px;
            margin-bottom: 1rem;
            letter-spacing: 0.3px;
        }

        .section-label i {
            font-size: 0.75rem;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.86);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(229, 231, 240, 0.7);
            padding: 0.9rem 0;
        }

        .nav-panel {
            background: linear-gradient(135deg, #ffffff 0%, #f8f9ff 100%);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 0.6rem 1rem;
            box-shadow: 0 4px 16px rgba(20, 26, 63, 0.06);
            display: flex;
            align-items: center;
            flex-wrap: wrap;
        }

        .navbar-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 0.5rem;
            white-space: nowrap;
            transition: var(--transition);
        }

        .navbar-brand::before {
            content: "\f1c5";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--accent);
            font-size: 1.3rem;
        }

        .navbar-brand:hover {
            color: var(--primary);
        }

        .navbar-nav {
            gap: 0.2rem;
        }

        .nav-link {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--text-muted);
            padding: 0.5rem 1rem !important;
            border-radius: 50px;
            display: flex;
            align-items: center;
            gap: 0.45rem;
            transition: var(--transition);
        }

        .nav-link i {
            font-size: 0.9rem;
            color: var(--primary-light);
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(79, 70, 229, 0.06);
        }

        .nav-link.active {
            color: var(--primary);
            background: linear-gradient(135deg, rgba(79, 70, 229, 0.12), rgba(246, 168, 33, 0.1));
            font-weight: 700;
            box-shadow: inset 0 0 0 1px rgba(79, 70, 229, 0.08);
        }

        .nav-link.active i {
            color: var(--accent-dark);
        }

        .btn-accent {
            background: linear-gradient(135deg, #f6a821 0%, #f0b455 100%);
            color: #1e2556;
            font-weight: 700;
            border: none;
            padding: 0.55rem 1.4rem;
            border-radius: 50px;
            box-shadow: var(--shadow-accent);
            transition: var(--transition);
            white-space: nowrap;
            font-size: 0.95rem;
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(246, 168, 33, 0.35);
            color: #141a3f;
        }

        .btn-accent:active {
            transform: translateY(0);
        }

        .btn-outline-light-custom {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.35);
            color: #ffffff;
            font-weight: 600;
            padding: 0.55rem 1.4rem;
            border-radius: 50px;
            transition: var(--transition);
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.6);
            color: #ffffff;
        }

        .navbar-toggler {
            border: none;
            padding: 0.35rem 0.6rem;
            border-radius: 10px;
            background: rgba(79, 70, 229, 0.08);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.2);
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231e2556' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .page-hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 6.5rem 0 5rem;
            color: #ffffff;
            overflow: hidden;
        }

        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(12, 16, 36, 0.92) 0%, rgba(20, 26, 63, 0.78) 50%, rgba(246, 168, 33, 0.25) 100%);
        }

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

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.55rem;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 1.25rem;
            flex-wrap: wrap;
        }

        .hero-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            text-decoration: none;
        }

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

        .hero-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .page-hero h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 1rem;
            letter-spacing: -0.5px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.2);
        }

        .page-hero p.lead {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 640px;
            margin-bottom: 2.2rem;
            line-height: 1.8;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.2rem;
            margin-top: 1rem;
        }

        .hero-stat {
            text-align: left;
        }

        .hero-stat .num {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat .txt {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.72);
            letter-spacing: 0.4px;
        }

        .hero-actions {
            display: flex;
            gap: 0.9rem;
            flex-wrap: wrap;
            margin-bottom: 2rem;
        }

        .featured-section {
            padding: 5rem 0 3rem;
        }

        .featured-card {
            background: #ffffff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

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

        .featured-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

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

        .cover-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(12, 16, 36, 0.7) 0%, transparent 50%);
            display: flex;
            align-items: flex-end;
            padding: 1.2rem;
        }

        .cover-badge {
            background: rgba(246, 168, 33, 0.95);
            color: #141a3f;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 0.3rem 0.8rem;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .featured-card .card-body {
            padding: 1.4rem 1.5rem 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .featured-card .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 0.6rem;
            line-height: 1.45;
        }

        .featured-card .card-body h3 a {
            color: var(--primary-dark);
        }

        .featured-card .card-body h3 a:hover {
            color: var(--accent-dark);
        }

        .featured-card .card-body p {
            font-size: 0.92rem;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 1rem;
            flex: 1;
        }

        .featured-meta {
            display: flex;
            align-items: center;
            gap: 1rem;
            font-size: 0.82rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 0.9rem;
        }

        .featured-meta span {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
        }

        .featured-meta i {
            color: var(--accent-dark);
        }

        .news-section {
            padding: 3.5rem 0;
        }

        .news-section .content-wrap {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .news-list {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .news-list li {
            display: flex;
            align-items: center;
            gap: 1.2rem;
            padding: 1.15rem 1.5rem;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .news-list li:hover {
            background: rgba(246, 168, 33, 0.04);
        }

        .news-tag {
            flex-shrink: 0;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 0.25rem 0.7rem;
            border-radius: 6px;
            min-width: 68px;
            text-align: center;
            background: var(--accent-light);
            color: var(--accent-dark);
            border: 1px solid rgba(246, 168, 33, 0.2);
        }

        .news-tag.tag-blue {
            background: rgba(79, 70, 229, 0.08);
            color: var(--primary);
            border-color: rgba(79, 70, 229, 0.15);
        }

        .news-tag.tag-green {
            background: rgba(16, 185, 129, 0.1);
            color: #0f9f6e;
            border-color: rgba(16, 185, 129, 0.18);
        }

        .news-title {
            flex: 1;
            min-width: 0;
        }

        .news-title a {
            font-weight: 600;
            color: var(--text);
            font-size: 0.98rem;
            display: block;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

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

        .news-date {
            flex-shrink: 0;
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.35rem;
            white-space: nowrap;
        }

        .news-views {
            flex-shrink: 0;
            font-size: 0.82rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 0.3rem;
            min-width: 80px;
        }

        .schedule-section {
            padding: 4rem 0;
            background: linear-gradient(160deg, #0c1024 0%, #141a3f 100%);
            position: relative;
            overflow: hidden;
        }

        .schedule-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(246, 168, 33, 0.15) 0%, transparent 70%);
        }

        .schedule-section .section-title {
            color: #ffffff;
        }

        .schedule-section .section-subtitle {
            color: rgba(255, 255, 255, 0.6);
        }

        .schedule-section .section-label {
            background: rgba(246, 168, 33, 0.15);
            color: var(--accent);
        }

        .schedule-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius);
            padding: 1.2rem 1.4rem;
            margin-bottom: 0.9rem;
            display: flex;
            align-items: center;
            gap: 1.2rem;
            transition: var(--transition);
            backdrop-filter: blur(6px);
        }

        .schedule-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(246, 168, 33, 0.3);
            transform: translateX(6px);
        }

        .schedule-time {
            flex-shrink: 0;
            text-align: center;
            min-width: 92px;
            padding-right: 1.2rem;
            border-right: 1px solid rgba(255, 255, 255, 0.1);
        }

        .schedule-time .date {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--accent);
            line-height: 1.3;
        }

        .schedule-time .day {
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .schedule-status {
            flex-shrink: 0;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 0.3rem 0.9rem;
            border-radius: 50px;
            background: rgba(16, 185, 129, 0.15);
            color: #34d399;
            border: 1px solid rgba(16, 185, 129, 0.25);
        }

        .schedule-status.hot {
            background: rgba(246, 168, 33, 0.15);
            color: var(--accent);
            border-color: rgba(246, 168, 33, 0.25);
        }

        .schedule-matchup {
            flex: 1;
            font-size: 1.02rem;
            font-weight: 700;
            color: rgba(255, 255, 255, 0.92);
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-wrap: wrap;
        }

        .schedule-matchup .vs {
            color: rgba(255, 255, 255, 0.35);
            font-weight: 400;
            font-size: 0.9rem;
        }

        .schedule-format {
            flex-shrink: 0;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 0.2rem 0.75rem;
            border-radius: 6px;
            white-space: nowrap;
        }

        .tournament-section {
            padding: 4.5rem 0;
        }

        .tournament-card {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

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

        .tournament-card .t-cover {
            position: relative;
            overflow: hidden;
            height: 170px;
        }

        .tournament-card .t-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .tournament-card:hover .t-cover img {
            transform: scale(1.05);
        }

        .t-cover .t-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(12, 16, 36, 0.75) 0%, transparent 55%);
        }

        .t-cover .t-badge {
            position: absolute;
            top: 1rem;
            left: 1rem;
            background: rgba(246, 168, 33, 0.92);
            color: #141a3f;
            font-size: 0.78rem;
            font-weight: 700;
            padding: 0.25rem 0.8rem;
            border-radius: 50px;
            z-index: 2;
        }

        .t-cover .t-name {
            position: absolute;
            bottom: 1rem;
            left: 1.2rem;
            right: 1.2rem;
            color: #ffffff;
            font-size: 1.15rem;
            font-weight: 700;
            z-index: 2;
            margin-bottom: 0;
            line-height: 1.4;
            text-shadow: 0 2px 10px rgba(0, 0, 0, 0.3);
        }

        .tournament-card .t-body {
            padding: 1.2rem 1.3rem 1.4rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .tournament-card .t-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            flex: 1;
            margin-bottom: 1rem;
            line-height: 1.7;
        }

        .t-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border);
            padding-top: 0.85rem;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .t-meta span {
            display: flex;
            align-items: center;
            gap: 0.35rem;
        }

        .t-meta i {
            color: var(--accent-dark);
        }

        .t-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            transition: var(--transition);
        }

        .t-link:hover {
            color: var(--accent-dark);
            gap: 0.65rem;
        }

        .faq-section {
            padding: 4.5rem 0;
            background: #ffffff;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm) !important;
            margin-bottom: 0.9rem;
            overflow: hidden;
            box-shadow: 0 2px 8px rgba(20, 26, 63, 0.04);
        }

        .accordion-button {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--primary-dark);
            padding: 1.05rem 1.3rem;
            background: #fafbff;
            border: none;
        }

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

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(246, 168, 33, 0.2);
        }

        .accordion-body {
            padding: 1.1rem 1.3rem;
            color: var(--text-muted);
            font-size: 0.94rem;
            line-height: 1.8;
        }

        .cta-section {
            position: relative;
            padding: 4.5rem 0;
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            text-align: center;
            color: #ffffff;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: rgba(12, 16, 36, 0.82);
        }

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

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 1rem;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto 2rem;
            font-size: 1.05rem;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 1rem;
            flex-wrap: wrap;
        }

        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 4rem 0 0;
            position: relative;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            padding-bottom: 3rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h3 {
            color: #ffffff;
            font-size: 1.4rem;
            font-weight: 800;
            margin-bottom: 1rem;
        }

        .footer-brand h3::before {
            content: "\f1c5";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--accent);
            margin-right: 0.5rem;
            font-size: 1.2rem;
        }

        .footer-brand p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 380px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 1.2rem;
        }

        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.9rem;
            padding: 0.35rem 0;
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            padding: 1.4rem 0;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
        }

        .footer-bottom p {
            margin: 0;
        }

        .site-domain {
            color: rgba(255, 255, 255, 0.5);
            font-weight: 600;
        }

        .page-section {
            padding: 4.5rem 0;
        }

        @media (max-width: 991.98px) {
            .nav-panel {
                border-radius: 20px;
            }

            .navbar-nav {
                padding: 0.8rem 0 0.4rem;
            }

            .nav-link {
                padding: 0.65rem 1rem !important;
                border-radius: 12px;
            }

            .nav-cta {
                margin-top: 0.8rem;
                width: 100%;
                text-align: center;
            }

            .page-hero {
                padding: 4.5rem 0 3.5rem;
            }

            .page-hero h1 {
                font-size: 2.3rem;
            }

            .footer-top {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

            .news-list li {
                flex-wrap: wrap;
                gap: 0.7rem;
            }

            .news-title a {
                white-space: normal;
            }

            .news-views {
                margin-left: auto;
            }

            .schedule-card {
                flex-wrap: wrap;
                gap: 0.8rem;
            }

            .schedule-time {
                border-right: none;
                padding-right: 0;
                min-width: auto;
                text-align: left;
            }

            .schedule-matchup {
                width: 100%;
                order: 3;
            }

            .schedule-format {
                margin-left: auto;
            }
        }

        @media (max-width: 767.98px) {
            body {
                font-size: 15px;
            }

            .section-title {
                font-size: 1.55rem;
            }

            .page-hero h1 {
                font-size: 1.9rem;
            }

            .page-hero p.lead {
                font-size: 1rem;
            }

            .hero-stats {
                gap: 1.2rem;
            }

            .hero-stat .num {
                font-size: 1.5rem;
            }

            .hero-actions {
                flex-direction: column;
                align-items: flex-start;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }

            .news-list li {
                padding: 1rem;
            }

            .news-date {
                font-size: 0.75rem;
            }

            .news-views {
                min-width: auto;
                font-size: 0.75rem;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .cta-buttons .btn {
                width: 100%;
            }

            .schedule-matchup {
                font-size: 0.92rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero {
                padding: 3.5rem 0 3rem;
            }

            .page-hero h1 {
                font-size: 1.6rem;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .hero-stats {
                flex-wrap: wrap;
                gap: 1rem;
            }

            .hero-stat {
                flex: 1 1 45%;
            }

            .news-tag {
                min-width: 58px;
                font-size: 0.72rem;
                padding: 0.2rem 0.5rem;
            }

            .news-list li {
                gap: 0.5rem;
            }

            .schedule-card {
                padding: 1rem;
            }

            .schedule-time .date {
                font-size: 1rem;
            }

            .schedule-status {
                font-size: 0.72rem;
                padding: 0.25rem 0.65rem;
            }
        }

/* roulang page: article */
:root {
            --primary: #14338f;
            --primary-light: #2d4aae;
            --primary-dark: #0c2263;
            --accent: #ff7a1a;
            --accent-hover: #e9650a;
            --accent-soft: #fff1e6;
            --bg: #f4f7fc;
            --bg-soft: #eef2f9;
            --card: #ffffff;
            --text: #1b2333;
            --muted: #6d7788;
            --border: #e3e9f3;
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(18, 42, 110, 0.06);
            --shadow-md: 0 12px 32px rgba(18, 42, 110, 0.10);
            --shadow-accent: 0 8px 20px rgba(255, 122, 26, 0.28);
            --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color 0.2s ease;
        }

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

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

        .container {
            max-width: 1200px;
        }

        /* ========== Header & Navigation ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(227, 233, 243, 0.8);
        }

        .nav-panel {
            padding: 8px 16px;
            margin: 10px auto;
            background: #ffffff;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.25s ease;
        }

        .nav-panel:hover {
            box-shadow: var(--shadow-md);
        }

        .navbar-brand {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--primary);
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .navbar-brand::before {
            content: "";
            width: 10px;
            height: 28px;
            border-radius: 6px;
            background: linear-gradient(180deg, var(--accent), var(--accent-hover));
            flex-shrink: 0;
        }

        .site-header .navbar-nav {
            gap: 4px;
        }

        .site-header .nav-link {
            font-weight: 600;
            color: #3a4356;
            padding: 9px 16px;
            border-radius: 10px;
            transition: all 0.22s ease;
        }

        .site-header .nav-link i {
            margin-right: 6px;
            font-size: 0.92em;
            color: var(--primary-light);
        }

        .site-header .nav-link:hover {
            background: rgba(20, 51, 143, 0.06);
            color: var(--primary);
            transform: translateY(-1px);
        }

        .site-header .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 6px 14px rgba(20, 51, 143, 0.25);
        }

        .site-header .nav-link.active i {
            color: #fff;
        }

        .nav-cta {
            background: linear-gradient(135deg, #ff8430, #f05e0c);
            border: none;
            color: #fff !important;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 12px;
            box-shadow: var(--shadow-accent);
            transition: all 0.25s ease;
        }

        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(255, 122, 26, 0.38);
            color: #fff !important;
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 6px 12px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(20, 51, 143, 0.16);
            outline: none;
        }

        .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%2314338f' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        /* ========== Breadcrumb ========== */
        .breadcrumb-wrap {
            padding: 18px 0 0;
        }

        .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
        }

        .breadcrumb-item a {
            color: var(--muted);
            font-weight: 500;
        }

        .breadcrumb-item a:hover {
            color: var(--primary);
        }

        .breadcrumb-item.active {
            color: var(--primary);
            font-weight: 600;
        }

        .breadcrumb-item+.breadcrumb-item::before {
            color: #b8c2d4;
        }

        /* ========== Article Banner ========== */
        .article-banner {
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 60px 0 64px;
            color: #fff;
        }

        .article-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(9, 23, 66, 0.92) 0%, rgba(20, 51, 143, 0.78) 55%, rgba(45, 74, 174, 0.55) 100%);
        }

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

        .banner-content {
            max-width: 820px;
        }

        .banner-content h1 {
            font-size: 2.15rem;
            font-weight: 800;
            line-height: 1.35;
            margin: 16px 0 14px;
            letter-spacing: 0.5px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
        }

        .category-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 30px;
            backdrop-filter: blur(4px);
            font-size: 0.85rem;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            margin-top: 18px;
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.85);
        }

        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 7px;
        }

        .article-meta i {
            color: #ffb37a;
        }

        /* ========== Article Main ========== */
        .article-section {
            padding: 48px 0;
        }

        .article-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            padding: 36px;
        }

        .article-lead {
            font-size: 1.06rem;
            color: var(--muted);
            border-left: 4px solid var(--accent);
            background: #fbfdff;
            padding: 14px 18px;
            border-radius: 0 10px 10px 0;
            margin-bottom: 24px;
            line-height: 1.8;
        }

        .article-hero-img {
            width: 100%;
            border-radius: var(--radius-md);
            margin: 0 0 26px;
            box-shadow: var(--shadow-md);
        }

        .article-content {
            font-size: 0.99rem;
            line-height: 1.9;
            color: #3d465a;
        }

        .article-content h2 {
            font-size: 1.45rem;
            margin-top: 1.8rem;
            margin-bottom: 0.8rem;
            font-weight: 800;
            color: var(--text);
            padding-left: 14px;
            border-left: 4px solid var(--accent);
        }

        .article-content h3 {
            font-size: 1.2rem;
            margin-top: 1.4rem;
            font-weight: 700;
            color: var(--text);
        }

        .article-content p {
            margin-bottom: 1rem;
        }

        .article-content a {
            color: var(--primary);
            font-weight: 600;
            border-bottom: 1px solid rgba(20, 51, 143, 0.3);
        }

        .article-content a:hover {
            color: var(--accent);
            border-color: var(--accent);
        }

        .article-content img {
            border-radius: var(--radius-md);
            margin: 18px 0;
            box-shadow: var(--shadow-md);
        }

        .article-content ul,
        .article-content ol {
            padding-left: 1.4rem;
            margin-bottom: 1rem;
        }

        .article-content li {
            margin-bottom: 0.4rem;
        }

        .article-content blockquote {
            background: var(--bg);
            border-left: 4px solid var(--primary);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--muted);
            margin-bottom: 1rem;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 18px 0;
            font-size: 0.94rem;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content th {
            background: var(--bg-soft);
            font-weight: 700;
        }

        .article-content code {
            background: #eef2f8;
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 0.9em;
            color: #c0392b;
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 10px;
            border-top: 1px solid var(--border);
            margin-top: 32px;
            padding-top: 22px;
        }

        .tag-label {
            font-weight: 700;
            color: var(--muted);
            margin-right: 2px;
        }

        .article-tags a {
            background: var(--bg);
            border: 1px solid var(--border);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--text);
            font-weight: 600;
            transition: all 0.2s ease;
        }

        .article-tags a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }

        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin-top: 24px;
        }

        .article-nav a {
            flex: 1;
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            color: var(--text);
            font-weight: 600;
            font-size: 0.94rem;
            transition: all 0.22s ease;
            box-shadow: var(--shadow-sm);
        }

        .article-nav a:hover {
            color: var(--primary);
            border-color: var(--primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }

        .article-nav .nav-next {
            text-align: right;
        }

        .not-found {
            text-align: center;
            padding: 60px 20px;
        }

        .not-found i {
            font-size: 3.2rem;
            color: var(--accent);
            margin-bottom: 18px;
        }

        .not-found h2 {
            font-weight: 800;
            margin-bottom: 10px;
        }

        .not-found p {
            color: var(--muted);
            margin-bottom: 22px;
        }

        /* ========== Sidebar ========== */
        .sidebar-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 22px;
            margin-bottom: 22px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-card h3 {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--text);
            padding-bottom: 12px;
            margin-bottom: 16px;
            border-bottom: 2px solid var(--bg-soft);
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .side-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 14px;
            border-radius: 10px;
            background: var(--bg);
            margin-bottom: 10px;
            color: var(--text);
            font-weight: 600;
            font-size: 0.94rem;
            transition: all 0.22s ease;
        }

        .side-link i {
            color: var(--primary);
            width: 22px;
            text-align: center;
        }

        .side-link span {
            color: var(--muted);
            transition: transform 0.22s ease;
        }

        .side-link:hover {
            background: var(--primary);
            color: #fff;
            transform: translateX(5px);
            box-shadow: 0 8px 18px rgba(20, 51, 143, 0.2);
        }

        .side-link:hover i,
        .side-link:hover span {
            color: #fff;
        }

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

        .guide-card ul li {
            margin-bottom: 10px;
        }

        .guide-card ul a {
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--muted);
            font-weight: 600;
            padding: 8px 10px;
            border-radius: 8px;
            transition: all 0.2s;
        }

        .guide-card ul a::before {
            content: "";
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--accent);
            flex-shrink: 0;
        }

        .guide-card ul a:hover {
            color: var(--primary);
            background: var(--bg);
        }

        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-cloud a {
            background: var(--bg);
            border: 1px solid var(--border);
            padding: 6px 14px;
            border-radius: 18px;
            font-size: 0.83rem;
            font-weight: 600;
            color: var(--text);
            transition: all 0.2s;
        }

        .tag-cloud a:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }

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

        .cta-card h3 {
            color: #fff;
            border: none;
            justify-content: center;
        }

        .cta-card h3 i {
            color: #ffb37a;
        }

        .cta-card p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.92rem;
            margin-bottom: 18px;
        }

        .cta-card .btn-accent {
            width: 100%;
        }

        /* ========== Buttons ========== */
        .btn {
            border-radius: 12px;
            font-weight: 600;
            padding: 10px 24px;
            transition: all 0.25s ease;
        }

        .btn:focus,
        .btn:active:focus {
            box-shadow: 0 0 0 3px rgba(20, 51, 143, 0.16);
            outline: none;
        }

        .btn-accent {
            background: linear-gradient(135deg, #ff8430, #f05e0c);
            border: none;
            color: #fff !important;
            box-shadow: var(--shadow-accent);
        }

        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(255, 122, 26, 0.36);
            color: #fff !important;
        }

        .btn-outline-light-custom {
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light-custom:hover {
            background: #fff;
            color: var(--primary);
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ========== Related Section ========== */
        .related-section {
            padding: 54px 0;
            background: var(--bg-soft);
        }

        .section-head {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 38px;
        }

        .section-tag {
            display: inline-block;
            background: var(--accent-soft);
            color: var(--accent-hover);
            font-weight: 700;
            font-size: 0.82rem;
            padding: 6px 16px;
            border-radius: 20px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 1.85rem;
            font-weight: 800;
            color: var(--text);
            margin: 6px 0 8px;
        }

        .section-head p {
            color: var(--muted);
            font-size: 0.98rem;
        }

        .related-cards .card {
            border: none;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all 0.3s ease;
            background: #fff;
            height: 100%;
            position: relative;
        }

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

        .related-cards .img-wrap {
            height: 170px;
            overflow: hidden;
        }

        .related-cards .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.45s ease;
        }

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

        .related-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.92);
            color: var(--primary);
            font-weight: 700;
            font-size: 0.78rem;
            padding: 4px 12px;
            border-radius: 16px;
            box-shadow: var(--shadow-sm);
        }

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

        .related-cards .card-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 6px;
        }

        .related-cards .card-title a {
            color: var(--text);
        }

        .related-cards .card-title a:hover {
            color: var(--accent);
        }

        .related-cards .card-text {
            color: var(--muted);
            font-size: 0.9rem;
            margin-bottom: 12px;
        }

        .related-cards .card-link {
            font-size: 0.88rem;
            font-weight: 700;
            color: var(--primary);
        }

        .related-cards .card-link i {
            transition: transform 0.2s ease;
            font-size: 0.8em;
        }

        .related-cards .card-link:hover i {
            transform: translateX(4px);
        }

        /* ========== FAQ ========== */
        .faq-section {
            padding: 60px 0;
        }

        .faq-accordion {
            max-width: 820px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: 12px !important;
            overflow: hidden;
            margin-bottom: 14px;
            box-shadow: var(--shadow-sm);
        }

        .accordion-button {
            background: #fff;
            color: var(--text);
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 22px;
            box-shadow: none !important;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: background 0.22s ease, color 0.22s ease;
        }

        .accordion-button::after {
            filter: invert(24%) sepia(76%) saturate(1600%) hue-rotate(215deg);
        }

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

        .accordion-button:not(.collapsed)::after {
            filter: invert(100%);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(20, 51, 143, 0.16) !important;
        }

        .accordion-body {
            background: #fff;
            color: var(--muted);
            padding: 18px 22px 22px;
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== CTA ========== */
        .cta-section {
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 70px 0;
            color: #fff;
            text-align: center;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(10, 22, 66, 0.92), rgba(20, 51, 143, 0.8));
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 10px;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.82);
            max-width: 600px;
            margin: 0 auto 26px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ========== Footer ========== */
        .site-footer {
            background: #0d1833;
            color: #aeb8cf;
            padding: 52px 0 0;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 34px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .footer-brand p {
            font-size: 0.92rem;
            line-height: 1.8;
            max-width: 360px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }

        .footer-col a {
            display: block;
            color: #aeb8cf;
            font-size: 0.92rem;
            padding: 5px 0;
            transition: color 0.2s, transform 0.2s;
        }

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

        .footer-bottom {
            padding: 22px 0;
            display: flex;
            justify-content: center;
            align-items: center;
            color: #7e8aa6;
            font-size: 0.86rem;
            flex-wrap: wrap;
            gap: 6px;
        }

        .footer-bottom p {
            margin: 0;
        }

        .site-domain {
            color: #9aa6bf;
        }

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            .nav-panel {
                margin: 0;
                border-radius: 0;
                box-shadow: none;
                background: transparent;
            }

            .navbar-collapse {
                background: #fff;
                border-radius: 0 0 14px 14px;
                padding: 16px;
                box-shadow: var(--shadow-md);
                margin-top: 12px;
            }

            .navbar-nav {
                gap: 6px;
            }

            .nav-cta {
                margin-top: 12px;
                display: block;
                text-align: center;
            }

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

            .article-banner {
                padding: 46px 0;
            }

            .banner-content h1 {
                font-size: 1.7rem;
            }
        }

        @media (max-width: 767.98px) {
            .article-card {
                padding: 22px;
            }

            .article-banner {
                padding: 38px 0;
            }

            .banner-content h1 {
                font-size: 1.45rem;
            }

            .article-meta {
                gap: 12px;
                font-size: 0.85rem;
            }

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

            .cta-section {
                padding: 50px 0;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

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

        @media (max-width: 575.98px) {
            .navbar-brand {
                font-size: 1.08rem;
            }

            .article-nav {
                flex-direction: column;
            }

            .article-nav .nav-next {
                text-align: left;
            }

            .related-cards .img-wrap {
                height: 150px;
            }

            .cta-buttons .btn {
                width: 100%;
            }

            .article-content h2 {
                font-size: 1.25rem;
            }

            .article-content {
                font-size: 0.95rem;
            }
        }

/* roulang page: category3 */
:root {
        --primary: #0d2c54;
        --primary-dark: #071d36;
        --primary-rgb: 13, 44, 84;
        --accent: #f0b73e;
        --accent-rgb: 240, 183, 62;
        --teal: #14b8a6;
        --bg: #f4f6fb;
        --surface: #ffffff;
        --text: #1a2332;
        --muted: #67748e;
        --border: #e4e8f0;
        --radius-lg: 24px;
        --radius-md: 16px;
        --radius-sm: 10px;
        --shadow-sm: 0 4px 14px rgba(var(--primary-rgb), .06);
        --shadow-md: 0 12px 32px rgba(var(--primary-rgb), .10);
        --shadow-lg: 0 24px 60px rgba(var(--primary-rgb), .14);
        --transition: all .3s cubic-bezier(.4, 0, .2, 1);
        --font-main: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    }

    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--font-main);
        background: var(--bg);
        color: var(--text);
        line-height: 1.75;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: var(--transition);
    }
    img {
        max-width: 100%;
        display: block;
    }
    button,
    input,
    textarea {
        font-family: inherit;
    }
    .container {
        max-width: 1200px;
        padding-left: 20px;
        padding-right: 20px;
    }

    /* ===== 导航区 ===== */
    .site-header {
        background: linear-gradient(135deg, #071d36 0%, #0d2c54 60%, #12375f 100%);
        padding: 14px 0;
        position: sticky;
        top: 0;
        z-index: 1060;
        box-shadow: 0 8px 30px rgba(7, 29, 54, .35);
    }
    .nav-panel {
        background: rgba(255, 255, 255, .06);
        border: 1px solid rgba(255, 255, 255, .10);
        border-radius: 20px;
        padding: 8px 14px;
        backdrop-filter: blur(10px);
    }
    .navbar-brand {
        font-size: 1.28rem;
        font-weight: 800;
        color: #fff !important;
        letter-spacing: .5px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .navbar-brand i {
        color: var(--accent);
        font-size: 1.2rem;
    }
    .navbar-nav .nav-link {
        color: rgba(255, 255, 255, .82) !important;
        font-weight: 500;
        font-size: .95rem;
        padding: 10px 18px !important;
        border-radius: 12px;
        margin: 0 2px;
        display: flex;
        align-items: center;
        gap: 8px;
        transition: var(--transition);
    }
    .navbar-nav .nav-link i {
        font-size: .85rem;
        opacity: .75;
    }
    .navbar-nav .nav-link:hover {
        color: #fff !important;
        background: rgba(255, 255, 255, .10);
        transform: translateY(-1px);
    }
    .navbar-nav .nav-link.active {
        color: var(--primary-dark) !important;
        background: var(--accent);
        box-shadow: 0 6px 16px rgba(var(--accent-rgb), .35);
        font-weight: 700;
    }
    .navbar-toggler {
        border: 1px solid rgba(255, 255, 255, .25);
        border-radius: 10px;
        padding: 6px 10px;
    }
    .navbar-toggler-icon {
        background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,.9)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    }
    .btn-accent {
        background: linear-gradient(135deg, #f5c84e, #f0a63c);
        border: none;
        color: #0a1f38;
        font-weight: 700;
        font-size: .93rem;
        padding: 12px 26px;
        border-radius: 12px;
        box-shadow: 0 8px 20px rgba(var(--accent-rgb), .35);
        transition: var(--transition);
        white-space: nowrap;
    }
    .btn-accent:hover {
        transform: translateY(-2px);
        box-shadow: 0 12px 28px rgba(var(--accent-rgb), .45);
        color: #0a1f38;
    }
    .btn-accent:active {
        transform: translateY(0) scale(.98);
    }
    .btn-outline-light {
        border: 1.5px solid rgba(255, 255, 255, .65);
        border-radius: 12px;
        padding: 12px 26px;
        font-weight: 600;
        color: #fff;
        transition: var(--transition);
    }
    .btn-outline-light:hover {
        background: rgba(255, 255, 255, .12);
        border-color: #fff;
        color: #fff;
        transform: translateY(-2px);
    }
    .nav-cta {
        margin-left: 8px;
        padding: 10px 22px;
    }

    /* ===== Hero 板块 ===== */
    .community-hero {
        position: relative;
        padding: 90px 0 80px;
        background:
            linear-gradient(135deg, rgba(7, 25, 46, .93) 0%, rgba(13, 44, 84, .85) 50%, rgba(16, 60, 92, .78) 100%),
            url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        color: #fff;
        border-bottom: 4px solid var(--accent);
    }
    .community-hero .breadcrumb {
        background: transparent;
        padding: 0;
        margin-bottom: 24px;
    }
    .community-hero .breadcrumb-item,
    .community-hero .breadcrumb-item a {
        color: rgba(255, 255, 255, .75);
        font-size: .9rem;
    }
    .community-hero .breadcrumb-item.active {
        color: var(--accent);
    }
    .community-hero .breadcrumb-item+.breadcrumb-item::before {
        color: rgba(255, 255, 255, .4);
    }
    .community-hero h1 {
        font-size: clamp(2.2rem, 4.5vw, 3.4rem);
        font-weight: 800;
        line-height: 1.2;
        margin-bottom: 18px;
        letter-spacing: 1px;
    }
    .community-hero h1 .highlight {
        color: var(--accent);
        position: relative;
    }
    .community-hero .lead {
        font-size: 1.12rem;
        color: rgba(255, 255, 255, .85);
        max-width: 600px;
        margin-bottom: 28px;
    }
    .hero-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        margin-bottom: 30px;
    }
    .hero-tags .badge {
        background: rgba(255, 255, 255, .14);
        border: 1px solid rgba(255, 255, 255, .22);
        color: #fff;
        padding: 7px 16px;
        border-radius: 30px;
        font-weight: 500;
        font-size: .85rem;
        backdrop-filter: blur(4px);
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }
    .hero-card {
        background: rgba(255, 255, 255, .08);
        border: 1px solid rgba(255, 255, 255, .14);
        border-radius: 20px;
        padding: 28px;
        backdrop-filter: blur(8px);
        margin-top: 20px;
    }
    .hero-card .hero-stat {
        text-align: center;
        padding: 12px 6px;
        border-right: 1px solid rgba(255, 255, 255, .12);
    }
    .hero-card .hero-stat:last-child {
        border-right: none;
    }
    .hero-card .num {
        font-size: 1.6rem;
        font-weight: 800;
        color: var(--accent);
        line-height: 1.2;
    }
    .hero-card .label {
        font-size: .8rem;
        color: rgba(255, 255, 255, .7);
        margin-top: 4px;
    }

    /* ===== 统计数字条 ===== */
    .stats-section {
        background: var(--surface);
        padding: 48px 0;
        border-bottom: 1px solid var(--border);
        margin-top: -1px;
    }
    .stat-block {
        text-align: center;
        padding: 16px;
        position: relative;
    }
    .stat-block::after {
        content: "";
        position: absolute;
        right: 0;
        top: 20%;
        height: 60%;
        width: 1px;
        background: var(--border);
    }
    .stat-block:last-child::after {
        display: none;
    }
    .stat-block .stat-num {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.3;
    }
    .stat-block .stat-label {
        color: var(--muted);
        font-size: .92rem;
        margin-top: 4px;
    }

    /* ===== 公共区块 ===== */
    .section-block {
        padding: 80px 0;
    }
    .section-header {
        margin-bottom: 44px;
    }
    .section-header .eyebrow {
        display: inline-block;
        background: rgba(var(--accent-rgb), .16);
        color: #b57a0e;
        font-size: .8rem;
        font-weight: 700;
        letter-spacing: 1.5px;
        padding: 6px 16px;
        border-radius: 30px;
        margin-bottom: 14px;
        text-transform: uppercase;
    }
    .section-header h2 {
        font-size: clamp(1.7rem, 3vw, 2.4rem);
        font-weight: 800;
        color: var(--primary-dark);
        line-height: 1.25;
        margin-bottom: 12px;
    }
    .section-header p {
        color: var(--muted);
        max-width: 680px;
        font-size: 1rem;
    }

    /* ===== 社区板块卡片 ===== */
    .community-boards {
        background: var(--bg);
        padding: 80px 0;
    }
    .board-card {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        padding: 30px 24px;
        height: 100%;
        transition: var(--transition);
        position: relative;
        overflow: hidden;
    }
    .board-card::before {
        content: "";
        position: absolute;
        inset: 0 0 auto 0;
        height: 4px;
        background: linear-gradient(90deg, var(--accent), var(--teal));
        opacity: 0;
        transition: var(--transition);
    }
    .board-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-md);
        border-color: rgba(var(--accent-rgb), .4);
    }
    .board-card:hover::before {
        opacity: 1;
    }
    .board-icon {
        width: 58px;
        height: 58px;
        border-radius: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.35rem;
        margin-bottom: 18px;
        color: #fff;
        background: linear-gradient(135deg, var(--primary), #1e4a7a);
        box-shadow: 0 8px 18px rgba(var(--primary-rgb), .22);
    }
    .board-card h3 {
        font-size: 1.18rem;
        font-weight: 700;
        margin-bottom: 8px;
        color: var(--primary-dark);
    }
    .board-card p {
        color: var(--muted);
        font-size: .92rem;
        margin-bottom: 16px;
    }
    .board-meta {
        display: flex;
        justify-content: space-between;
        align-items: center;
        border-top: 1px dashed var(--border);
        padding-top: 14px;
        font-size: .82rem;
        color: var(--muted);
    }
    .board-meta .count {
        font-weight: 600;
        color: var(--teal);
    }

    /* ===== 热门话题列表 ===== */
    .hot-topics {
        background: var(--surface);
        padding: 80px 0;
    }
    .topic-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .topic-item {
        display: flex;
        align-items: center;
        gap: 16px;
        padding: 18px 20px;
        border-radius: var(--radius-md);
        background: var(--bg);
        margin-bottom: 12px;
        transition: var(--transition);
        border: 1px solid transparent;
    }
    .topic-item:hover {
        background: var(--surface);
        border-color: rgba(var(--accent-rgb), .3);
        box-shadow: var(--shadow-sm);
        transform: translateX(4px);
    }
    .topic-rank {
        font-weight: 800;
        font-size: 1.15rem;
        color: #c3ccd8;
        min-width: 30px;
        text-align: center;
    }
    .topic-item:nth-child(1) .topic-rank {
        color: var(--accent);
    }
    .topic-item:nth-child(2) .topic-rank {
        color: #a8b6c8;
    }
    .topic-item:nth-child(3) .topic-rank {
        color: #c4a58a;
    }
    .topic-main {
        flex: 1;
        min-width: 0;
    }
    .topic-title {
        font-weight: 700;
        color: var(--primary-dark);
        font-size: .98rem;
        margin-bottom: 4px;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
    }
    .topic-title a:hover {
        color: var(--primary);
    }
    .topic-meta {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: .8rem;
        color: var(--muted);
    }
    .topic-tags .badge {
        font-weight: 500;
        margin-right: 4px;
        padding: 4px 10px;
        border-radius: 20px;
    }
    .topic-replies {
        font-size: .82rem;
        color: var(--muted);
        display: flex;
        align-items: center;
        gap: 5px;
        white-space: nowrap;
    }
    .topic-replies i {
        color: var(--accent);
    }
    .topic-side {
        background: var(--bg);
        border-radius: var(--radius-lg);
        padding: 28px;
        position: sticky;
        top: 100px;
    }
    .topic-side h3 {
        font-size: 1.1rem;
        font-weight: 700;
        margin-bottom: 18px;
        color: var(--primary-dark);
    }
    .tag-cloud {
        display: flex;
        flex-wrap: wrap;
        gap: 8px;
    }
    .tag-cloud a {
        background: var(--surface);
        border: 1px solid var(--border);
        border-radius: 20px;
        padding: 6px 14px;
        font-size: .82rem;
        color: var(--muted);
        transition: var(--transition);
    }
    .tag-cloud a:hover {
        background: var(--primary);
        color: #fff;
        border-color: var(--primary);
    }
    .side-quote {
        margin-top: 26px;
        background: linear-gradient(135deg, rgba(var(--primary-rgb), .06), rgba(var(--accent-rgb), .12));
        border-radius: var(--radius-md);
        padding: 18px;
        border-left: 3px solid var(--accent);
    }
    .side-quote p {
        font-size: .88rem;
        color: var(--primary-dark);
        margin: 0;
        font-style: italic;
    }

    /* ===== 社区活动卡片 ===== */
    .event-section {
        background: var(--bg);
        padding: 80px 0;
    }
    .event-card {
        background: var(--surface);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border);
        height: 100%;
        transition: var(--transition);
    }
    .event-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-md);
    }
    .event-thumb {
        position: relative;
        height: 190px;
        overflow: hidden;
    }
    .event-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .5s ease;
    }
    .event-card:hover .event-thumb img {
        transform: scale(1.05);
    }
    .event-thumb .event-status {
        position: absolute;
        top: 14px;
        right: 14px;
        z-index: 2;
    }
    .event-thumb .event-status .badge {
        padding: 6px 14px;
        font-weight: 600;
        border-radius: 20px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, .2);
    }
    .event-body {
        padding: 22px;
    }
    .event-body h3 {
        font-size: 1.1rem;
        font-weight: 700;
        color: var(--primary-dark);
        margin-bottom: 8px;
    }
    .event-body p {
        font-size: .9rem;
        color: var(--muted);
        margin-bottom: 14px;
    }
    .event-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: .82rem;
        color: var(--muted);
        border-top: 1px dashed var(--border);
        padding-top: 14px;
    }
    .event-meta i {
        color: var(--accent);
        margin-right: 5px;
    }

    /* ===== 经验分享 ===== */
    .story-section {
        background: var(--surface);
        padding: 80px 0;
    }
    .story-card {
        display: flex;
        background: var(--bg);
        border-radius: var(--radius-lg);
        overflow: hidden;
        border: 1px solid var(--border);
        height: 100%;
        transition: var(--transition);
    }
    .story-card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-4px);
    }
    .story-thumb {
        width: 42%;
        min-height: 230px;
        overflow: hidden;
    }
    .story-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .5s ease;
    }
    .story-card:hover .story-thumb img {
        transform: scale(1.04);
    }
    .story-body {
        flex: 1;
        padding: 28px 30px;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }
    .story-body .badge {
        align-self: flex-start;
        margin-bottom: 12px;
    }
    .story-body h3 {
        font-size: 1.3rem;
        font-weight: 700;
        color: var(--primary-dark);
        margin-bottom: 10px;
        line-height: 1.4;
    }
    .story-body p {
        color: var(--muted);
        font-size: .92rem;
        margin-bottom: 16px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .story-author {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: .82rem;
        color: var(--muted);
    }
    .story-author .avatar {
        width: 30px;
        height: 30px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--teal));
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: .75rem;
        font-weight: 700;
    }

    /* ===== FAQ ===== */
    .faq-section {
        background: var(--bg);
        padding: 80px 0;
    }
    .faq-wrap {
        max-width: 860px;
        margin: 0 auto;
    }
    .accordion-item {
        border: 1px solid var(--border) !important;
        border-radius: var(--radius-md) !important;
        margin-bottom: 14px;
        background: var(--surface) !important;
        overflow: hidden;
        box-shadow: var(--shadow-sm);
    }
    .accordion-button {
        font-weight: 600;
        color: var(--primary-dark);
        font-size: 1rem;
        padding: 20px 24px;
        background: var(--surface) !important;
        border: none !important;
    }
    .accordion-button:not(.collapsed) {
        color: var(--primary) !important;
        background: rgba(var(--accent-rgb), .08) !important;
        box-shadow: none !important;
    }
    .accordion-button:focus {
        box-shadow: 0 0 0 3px rgba(var(--accent-rgb), .25) !important;
        border-color: transparent;
    }
    .accordion-button::after {
        background-size: 1rem;
        opacity: .6;
    }
    .accordion-body {
        padding: 18px 24px 24px;
        color: var(--muted);
        font-size: .93rem;
        border-top: 1px solid var(--border);
    }

    /* ===== CTA 板块 ===== */
    .cta-section {
        padding: 90px 0;
        background:
            linear-gradient(135deg, rgba(7, 25, 46, .95), rgba(13, 44, 84, .88)),
            url('/assets/images/backpic/back-3.png') center/cover no-repeat;
        color: #fff;
        text-align: center;
    }
    .cta-section h2 {
        font-size: clamp(1.8rem, 3.5vw, 2.6rem);
        font-weight: 800;
        margin-bottom: 14px;
    }
    .cta-section p {
        color: rgba(255, 255, 255, .8);
        max-width: 600px;
        margin: 0 auto 30px;
        font-size: 1.05rem;
    }
    .cta-actions {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
        gap: 14px;
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: #071d36;
        color: rgba(255, 255, 255, .72);
        padding: 60px 0 0;
    }
    .footer-top {
        display: grid;
        grid-template-columns: 1.6fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, .1);
    }
    .footer-brand h3 {
        color: #fff;
        font-weight: 800;
        font-size: 1.3rem;
        margin-bottom: 12px;
    }
    .footer-brand p {
        font-size: .92rem;
        line-height: 1.7;
        max-width: 320px;
    }
    .footer-col h4 {
        color: #fff;
        font-size: 1rem;
        font-weight: 700;
        margin-bottom: 16px;
    }
    .footer-col a {
        display: block;
        color: rgba(255, 255, 255, .62);
        font-size: .9rem;
        padding: 5px 0;
        transition: var(--transition);
    }
    .footer-col a:hover {
        color: var(--accent);
        transform: translateX(3px);
    }
    .footer-bottom {
        padding: 20px 0;
        text-align: center;
        font-size: .85rem;
        color: rgba(255, 255, 255, .45);
    }
    .footer-bottom .site-domain {
        color: rgba(255, 255, 255, .6);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 1024px) {
        .section-block,
        .community-boards,
        .hot-topics,
        .event-section,
        .story-section,
        .faq-section {
            padding: 60px 0;
        }
        .story-card {
            flex-direction: column;
        }
        .story-thumb {
            width: 100%;
            min-height: 200px;
        }
    }
    @media (max-width: 768px) {
        .site-header {
            padding: 10px 0;
        }
        .nav-panel {
            border-radius: 16px;
            padding: 10px 14px;
        }
        .navbar-collapse {
            padding-top: 14px;
        }
        .navbar-nav .nav-link {
            padding: 12px 16px !important;
            margin: 3px 0;
        }
        .nav-cta {
            margin: 12px 0 8px;
            width: 100%;
            justify-content: center;
            text-align: center;
        }
        .community-hero {
            padding: 60px 0 50px;
        }
        .community-hero h1 {
            font-size: 2rem;
        }
        .hero-card {
            padding: 18px;
        }
        .hero-card .hero-stat {
            padding: 8px 4px;
        }
        .hero-card .num {
            font-size: 1.2rem;
        }
        .stat-block::after {
            display: none;
        }
        .stat-block {
            padding: 12px;
        }
        .stat-block .stat-num {
            font-size: 1.6rem;
        }
        .topic-item {
            flex-wrap: wrap;
            gap: 8px;
        }
        .topic-main {
            flex: 1 1 100%;
            order: 2;
        }
        .topic-replies {
            order: 3;
        }
        .topic-tags {
            order: 1;
            width: 100%;
        }
        .topic-title {
            white-space: normal;
        }
        .topic-side {
            position: static;
            margin-top: 24px;
        }
        .footer-top {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .event-card {
            margin-bottom: 16px;
        }
    }
    @media (max-width: 520px) {
        .container {
            padding-left: 16px;
            padding-right: 16px;
        }
        .community-hero h1 {
            font-size: 1.7rem;
        }
        .community-hero .lead {
            font-size: .95rem;
        }
        .hero-actions .btn {
            width: 100%;
        }
        .board-card {
            padding: 22px 18px;
        }
        .section-header h2 {
            font-size: 1.5rem;
        }
        .section-header p {
            font-size: .9rem;
        }
        .topic-item {
            padding: 14px;
        }
        .story-body {
            padding: 20px;
        }
        .story-body h3 {
            font-size: 1.1rem;
        }
        .cta-section {
            padding: 60px 0;
        }
        .cta-actions .btn {
            width: 100%;
        }
        .footer-bottom {
            font-size: .78rem;
        }
    }