/* roulang page: index */
:root {
            --primary: #163a6a;
            --primary-dark: #0e2747;
            --primary-light: #e6edf5;
            --accent: #f2a33c;
            --accent-dark: #d9891f;
            --accent-light: #fef3e0;
            --text: #1d2530;
            --text-muted: #667085;
            --bg: #f6f7fb;
            --bg-white: #ffffff;
            --bg-dark: #101f38;
            --border: #e5e9ef;
            --border-light: #eef1f6;
            --radius: 18px;
            --radius-sm: 12px;
            --radius-xs: 8px;
            --shadow: 0 10px 30px rgba(17, 30, 50, 0.08);
            --shadow-lg: 0 24px 60px rgba(17, 30, 50, 0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
        }

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

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

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 90px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--accent-dark);
            background: var(--accent-light);
            padding: 6px 16px;
            border-radius: 40px;
            text-transform: uppercase;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 34px;
            line-height: 1.3;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 14px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 640px;
            margin-bottom: 40px;
        }

        .text-center .section-subtitle {
            margin-left: auto;
            margin-right: auto;
        }

        .btn {
            font-weight: 600;
            border-radius: 50px;
            padding: 12px 30px;
            transition: var(--transition);
            font-size: 15px;
            border: none;
        }

        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 6px 18px rgba(242, 163, 60, 0.35);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 10px 26px rgba(242, 163, 60, 0.45);
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            background: transparent;
            padding: 10px 28px;
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        .btn-outline-primary {
            border: 2px solid var(--primary);
            color: var(--primary);
            background: transparent;
            padding: 10px 28px;
        }

        .btn-outline-primary:hover,
        .btn-outline-primary:focus {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .btn:focus-visible,
        .form-control:focus-visible,
        .form-check-input:focus-visible {
            outline: 3px solid rgba(242, 163, 60, 0.4);
            outline-offset: 2px;
            box-shadow: none;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .site-header .navbar {
            padding-top: 12px;
            padding-bottom: 12px;
        }

        .navbar-brand {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

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

        .navbar-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            margin-right: 10px;
            font-size: 17px;
        }

        .nav-chip {
            display: flex;
            align-items: center;
            gap: 4px;
            background: var(--bg);
            border-radius: 50px;
            padding: 4px;
            border: 1px solid var(--border-light);
        }

        .nav-chip .nav-link {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            padding: 8px 20px;
            border-radius: 40px;
            transition: var(--transition);
            white-space: nowrap;
        }

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

        .nav-chip .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(22, 58, 106, 0.3);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: var(--accent);
            padding: 9px 22px;
            border-radius: 50px;
            box-shadow: 0 4px 14px rgba(242, 163, 60, 0.4);
            transition: var(--transition);
        }

        .nav-cta:hover,
        .nav-cta:focus {
            background: var(--accent-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        .navbar-toggler {
            border: 1px solid var(--border);
            border-radius: 10px;
            padding: 6px 10px;
            color: var(--primary);
            background: var(--bg-white);
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(242, 163, 60, 0.3);
        }

        @media (max-width: 991.98px) {
            .navbar-collapse {
                background: var(--bg-white);
                border-radius: var(--radius);
                padding: 20px;
                margin-top: 12px;
                box-shadow: var(--shadow);
                border: 1px solid var(--border-light);
            }

            .nav-chip {
                background: transparent;
                border: none;
                padding: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
            }

            .nav-chip .nav-link {
                text-align: center;
                padding: 12px 18px;
            }

            .nav-cta {
                justify-content: center;
                margin-top: 16px;
                width: 100%;
            }
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 120px 0 140px;
            background: linear-gradient(135deg, rgba(10, 22, 42, 0.92), rgba(18, 34, 58, 0.72)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            right: -120px;
            bottom: -160px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            border: 60px solid rgba(255, 255, 255, 0.04);
        }

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

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 40px;
            padding: 6px 18px;
            font-size: 13px;
            letter-spacing: 0.04em;
            color: var(--accent);
            margin-bottom: 26px;
            backdrop-filter: blur(6px);
        }

        .hero-title {
            font-size: 58px;
            line-height: 1.15;
            font-weight: 800;
            letter-spacing: 0.01em;
            margin-bottom: 22px;
        }

        .hero-title span {
            color: var(--accent);
        }

        .hero-text {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin-bottom: 36px;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 56px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 30px;
        }

        .hero-stat {
            display: flex;
            flex-direction: column;
        }

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

        .hero-stat .label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.04em;
        }

        @media (max-width: 767.98px) {
            .hero-section {
                padding: 80px 0 100px;
            }

            .hero-title {
                font-size: 36px;
            }

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

            .hero-stats {
                gap: 24px;
            }

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

        /* ===== Features ===== */
        .features-section {
            padding: 90px 0 70px;
            background: var(--bg-white);
        }

        .feature-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 34px 28px;
            height: 100%;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.45s ease;
        }

        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: transparent;
        }

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

        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 22px;
        }

        .feature-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }

        .feature-icon.orange {
            background: var(--accent-light);
            color: var(--accent-dark);
        }

        .feature-icon.green {
            background: #e6f7f1;
            color: #17a673;
        }

        .feature-icon.purple {
            background: #f1eafe;
            color: #7a4de8;
        }

        .feature-card h3 {
            font-size: 19px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
        }

        .feature-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== Category Cards ===== */
        .categories-section {
            padding: 90px 0;
            background: var(--bg);
        }

        .category-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            min-height: 340px;
            display: flex;
            align-items: flex-end;
            color: #fff;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(17, 30, 50, 0.08);
        }

        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .category-card .category-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transition: transform 0.6s ease;
        }

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

        .category-card .category-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 20%, rgba(10, 22, 42, 0.85) 100%);
        }

        .category-card .category-content {
            position: relative;
            z-index: 2;
            padding: 34px;
            width: 100%;
        }

        .category-card .category-content h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .category-card .category-content p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 16px;
        }

        .category-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            transition: var(--transition);
        }

        .category-link:hover {
            color: #fff;
            gap: 12px;
        }

        /* ===== News Section ===== */
        .news-section {
            padding: 90px 0;
            background: var(--bg-white);
        }

        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border-light);
            border-radius: var(--radius);
            padding: 26px 24px;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

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

        .news-card .news-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 14px;
            border-radius: 30px;
            align-self: flex-start;
            margin-bottom: 14px;
        }

        .news-card h3 {
            font-size: 17px;
            line-height: 1.5;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card h3 a {
            color: var(--text);
        }

        .news-card h3 a:hover {
            color: var(--primary);
        }

        .news-card .news-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex-grow: 1;
        }

        .news-card .news-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
            font-size: 13px;
            color: var(--text-muted);
        }

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

        .news-card .read-more {
            font-weight: 600;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .news-card .read-more:hover {
            color: var(--accent);
        }

        .empty-state {
            background: var(--bg);
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            padding: 60px 20px;
            text-align: center;
            color: var(--text-muted);
            font-size: 16px;
        }

        .news-view-all {
            margin-top: 36px;
            text-align: center;
        }

        /* ===== Stats ===== */
        .stats-section {
            padding: 100px 0;
            color: #fff;
            background: linear-gradient(135deg, rgba(10, 22, 42, 0.92), rgba(16, 31, 56, 0.82)), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            position: relative;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 80%;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
        }

        .stat-item {
            text-align: center;
            padding: 30px 16px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.09);
            transform: translateY(-4px);
        }

        .stat-item .icon {
            font-size: 28px;
            margin-bottom: 14px;
            color: var(--accent);
        }

        .stat-item .num {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.2;
            color: #fff;
        }

        .stat-item .label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 8px;
        }

        @media (max-width: 767.98px) {
            .stat-item .num {
                font-size: 30px;
            }
        }

        /* ===== Process ===== */
        .process-section {
            padding: 90px 0;
            background: var(--bg-white);
        }

        .process-step {
            position: relative;
            text-align: center;
            padding: 0 20px;
        }

        .process-step .step-number {
            position: relative;
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            background: var(--primary);
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 24px rgba(22, 58, 106, 0.3);
            z-index: 2;
        }

        .process-step .step-icon {
            position: absolute;
            top: 70px;
            left: 50%;
            transform: translateX(-50%);
            font-size: 16px;
            color: var(--accent);
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--text);
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .process-arrow {
            position: absolute;
            top: 32px;
            right: -14px;
            font-size: 20px;
            color: #c9d1de;
            z-index: 1;
        }

        @media (max-width: 767.98px) {
            .process-arrow {
                display: none;
            }

            .process-step {
                margin-bottom: 36px;
            }
        }

        /* ===== Feature Content ===== */
        .content-feature-section {
            padding: 90px 0;
            background: var(--bg);
        }

        .content-feature-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-light);
            height: 100%;
            transition: var(--transition);
        }

        .content-feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .content-feature-card .cover-wrap {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

        .content-feature-card .cover-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .content-feature-card:hover .cover-wrap img {
            transform: scale(1.05);
        }

        .content-feature-card .body {
            padding: 26px 24px;
        }

        .content-feature-card .body h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--text);
        }

        .content-feature-card .body p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 16px;
            line-height: 1.65;
        }

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

        .tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 500;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 30px;
            transition: var(--transition);
        }

        .tag:hover {
            background: var(--primary);
            color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 90px 0;
            background: var(--bg-white);
        }

        .accordion {
            max-width: 900px;
            margin: 0 auto;
        }

        .accordion-item {
            border: 1px solid var(--border-light);
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: none;
            transition: var(--transition);
        }

        .accordion-item:hover {
            border-color: var(--primary-light);
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            padding: 22px 28px;
            background: var(--bg-white);
            transition: var(--transition);
        }

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

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(242, 163, 60, 0.25);
            border-color: transparent;
        }

        .accordion-button::after {
            color: var(--primary);
        }

        .accordion-body {
            padding: 0 28px 24px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.75;
            background: var(--bg-white);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 100px 0;
            background: linear-gradient(135deg, rgba(10, 22, 42, 0.9), rgba(26, 44, 74, 0.75)), url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section .cta-title {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .cta-section .cta-text {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 640px;
            margin: 0 auto 36px;
        }

        .cta-section .btn {
            padding: 14px 40px;
            font-size: 16px;
        }

        @media (max-width: 767.98px) {
            .cta-section .cta-title {
                font-size: 28px;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.72);
            padding: 60px 0 0;
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 0;
        }

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

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

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

        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding: 22px 0;
            margin-top: 50px;
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.4);
        }

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

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

        /* ===== Back to top ===== */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            border: none;
            box-shadow: var(--shadow);
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            z-index: 999;
            opacity: 0;
            visibility: hidden;
            transform: translateY(20px);
        }

        .back-to-top.show {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }

        .back-to-top:hover,
        .back-to-top:focus {
            background: var(--accent);
            color: #fff;
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .section {
                padding: 70px 0;
            }

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

            .hero-title {
                font-size: 44px;
            }
        }

        @media (max-width: 767.98px) {
            .section {
                padding: 56px 0;
            }

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

            .section-subtitle {
                font-size: 15px;
            }

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

            .hero-text {
                font-size: 15px;
            }

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

            .hero-actions .btn {
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-brand {
                font-size: 16px;
            }

            .navbar-brand .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
                margin-right: 8px;
            }

            .nav-cta {
                padding: 8px 16px;
                font-size: 13px;
            }

            .hero-section {
                padding: 60px 0 80px;
            }
        }

/* roulang page: article */
:root {
    --primary: #0e2a47;
    --primary-light: #16406b;
    --accent: #f5b50a;
    --accent-soft: #fff2cd;
    --secondary-accent: #ff7a29;
    --bg-body: #f4f6fa;
    --bg-white: #ffffff;
    --bg-dark: #0a1a2f;
    --text-main: #16283e;
    --text-weak: #63748a;
    --border: #e4e9f0;
    --border-light: #eef2f7;
    --radius-lg: 22px;
    --radius-md: 14px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 12px rgba(10, 25, 50, 0.06);
    --shadow-md: 0 10px 34px rgba(10, 25, 50, 0.1);
    --shadow-lg: 0 20px 55px rgba(10, 25, 50, 0.16);
    --transition: all 0.25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    font-size: 16px;
    line-height: 1.7;
    color: var(--text-main);
    background: var(--bg-body);
    -webkit-font-smoothing: antialiased;
}

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

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

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

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

.container {
    max-width: 1260px;
}

.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border);
    box-shadow: 0 4px 24px rgba(10, 25, 50, 0.04);
}

.site-header .navbar {
    padding: 14px 0;
    flex-wrap: nowrap;
}

.navbar-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: -0.3px;
    white-space: nowrap;
}

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

.brand-icon {
    width: 42px;
    height: 42px;
    flex: 0 0 42px;
    background: linear-gradient(135deg, var(--primary), #1e5a8f);
    border-radius: 13px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 1.15rem;
    box-shadow: 0 6px 18px rgba(14, 42, 71, 0.28);
}

.navbar-toggler {
    border: none;
    color: var(--primary);
    font-size: 1.35rem;
    padding: 6px 10px;
    border-radius: 10px;
    background: var(--border-light);
}

.navbar-toggler:focus {
    box-shadow: 0 0 0 3px rgba(14, 42, 71, 0.15);
}

.nav-chip {
    background: #eef2f7;
    border-radius: 50px;
    padding: 6px;
    display: inline-flex;
    align-items: center;
    gap: 2px;
}

.nav-chip .nav-link {
    padding: 9px 22px;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.95rem;
    color: var(--text-main);
    transition: var(--transition);
}

.nav-chip .nav-link:hover {
    color: var(--primary);
    background: rgba(14, 42, 71, 0.07);
}

.nav-chip .nav-link.active {
    background: var(--primary);
    color: #ffffff;
    box-shadow: 0 5px 18px rgba(14, 42, 71, 0.3);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    padding: 10px 22px;
    border-radius: 50px;
    background: linear-gradient(135deg, #f5b50a, #ff8a3c);
    color: #ffffff;
    font-weight: 700;
    font-size: 0.92rem;
    white-space: nowrap;
    box-shadow: 0 6px 22px rgba(245, 181, 10, 0.35);
    transition: var(--transition);
}

.nav-cta:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(245, 181, 10, 0.45);
}

.article-banner {
    position: relative;
    padding: 70px 0 90px;
    color: #ffffff;
    background: linear-gradient(135deg, #0a1a2f 0%, #123a5e 55%, #1e5a8f 100%);
}

.article-banner::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    opacity: 0.16;
    pointer-events: none;
}

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

.breadcrumb-nav {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 8px;
    font-size: 0.9rem;
    margin-bottom: 22px;
    color: rgba(255, 255, 255, 0.65);
}

.breadcrumb-nav a {
    color: rgba(255, 255, 255, 0.75);
    font-weight: 500;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

.breadcrumb-nav .sep {
    color: rgba(255, 255, 255, 0.35);
}

.breadcrumb-nav .current {
    color: rgba(255, 255, 255, 0.9);
    max-width: 380px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.article-banner-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 18px;
    margin-bottom: 16px;
    font-size: 0.9rem;
    color: rgba(255, 255, 255, 0.75);
}

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

.article-banner-meta .badge-soft {
    background: rgba(245, 181, 10, 0.18);
    border: 1px solid rgba(245, 181, 10, 0.4);
    color: #ffe494;
    padding: 4px 14px;
    border-radius: 50px;
    font-weight: 600;
}

.article-banner-title {
    font-size: clamp(1.7rem, 3.2vw, 2.8rem);
    font-weight: 800;
    line-height: 1.25;
    max-width: 860px;
    margin-bottom: 0;
    text-wrap: balance;
}

.article-main {
    margin-top: -52px;
    position: relative;
    z-index: 10;
}

.article-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 44px;
    margin-bottom: 28px;
}

.article-cover {
    width: 100%;
    border-radius: var(--radius-md);
    margin-bottom: 32px;
    display: block;
    object-fit: cover;
}

.article-content {
    font-size: 1.03rem;
    line-height: 1.9;
    color: #22354a;
}

.article-content p {
    margin-bottom: 1.2rem;
}

.article-content h2 {
    font-size: 1.5rem;
    font-weight: 800;
    color: var(--primary);
    margin: 2rem 0 1rem;
    padding-left: 14px;
    border-left: 4px solid var(--accent);
}

.article-content h3 {
    font-size: 1.22rem;
    font-weight: 700;
    color: var(--primary);
    margin: 1.6rem 0 0.8rem;
}

.article-content ul,
.article-content ol {
    margin-bottom: 1.2rem;
    padding-left: 1.4rem;
}

.article-content ul li,
.article-content ol li {
    margin-bottom: 0.45rem;
}

.article-content blockquote {
    background: var(--accent-soft);
    border-left: 4px solid var(--accent);
    border-radius: 0 12px 12px 0;
    padding: 1rem 1.4rem;
    margin: 1.6rem 0;
    color: #5a4a1a;
}

.article-content img {
    border-radius: var(--radius-md);
    margin: 1.4rem 0;
}

.article-content table {
    width: 100%;
    border-collapse: collapse;
    margin: 1.4rem 0;
}

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

.article-content table th {
    background: var(--border-light);
    font-weight: 600;
}

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

.article-tags .tag-chip {
    background: #f1f5fb;
    color: var(--primary-light);
    font-size: 0.85rem;
    font-weight: 500;
    padding: 6px 16px;
    border-radius: 50px;
    transition: var(--transition);
}

.article-tags .tag-chip:hover {
    background: var(--primary);
    color: #ffffff;
}

.not-found-card {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow-md);
    padding: 70px 30px;
    text-align: center;
    margin-bottom: 28px;
}

.not-found-card .icon-404 {
    font-size: 3.4rem;
    color: var(--accent);
    margin-bottom: 14px;
}

.not-found-card h2 {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 10px;
}

.not-found-card p {
    color: var(--text-weak);
    max-width: 420px;
    margin: 0 auto 24px;
}

.sidebar-widget {
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 18px;
    padding: 24px;
    box-shadow: var(--shadow-sm);
    margin-bottom: 24px;
}

.widget-title {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 18px;
}

.widget-title::before {
    content: '';
    width: 4px;
    height: 20px;
    border-radius: 4px;
    background: linear-gradient(180deg, var(--accent), var(--secondary-accent));
}

.sidebar-news-list {
    display: flex;
    flex-direction: column;
    gap: 14px;
}

.sidebar-news-item {
    display: flex;
    gap: 12px;
    align-items: center;
    padding: 10px;
    border-radius: 12px;
    transition: var(--transition);
    border: 1px solid transparent;
}

.sidebar-news-item:hover {
    background: #f7f9fd;
    border-color: var(--border);
    transform: translateX(3px);
}

.sidebar-news-item img {
    width: 72px;
    height: 58px;
    object-fit: cover;
    border-radius: 10px;
    flex-shrink: 0;
}

.sidebar-news-item .news-info {
    min-width: 0;
}

.sidebar-news-item .news-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.45;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 4px;
}

.sidebar-news-item .news-title:hover {
    color: var(--primary);
}

.sidebar-news-item .news-time {
    font-size: 0.78rem;
    color: var(--text-weak);
    display: flex;
    align-items: center;
    gap: 5px;
}

.sidebar-category-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.sidebar-category-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 14px;
    border-radius: 12px;
    background: #f7f9fd;
    border: 1px solid var(--border-light);
    font-weight: 600;
    color: var(--text-main);
    transition: var(--transition);
}

.sidebar-category-item i {
    color: var(--accent);
    font-size: 1rem;
}

.sidebar-category-item:hover {
    background: var(--primary);
    color: #ffffff;
    transform: translateX(3px);
    border-color: var(--primary);
}

.sidebar-category-item:hover i {
    color: var(--accent);
}

.sidebar-cta-card {
    border-radius: 18px;
    overflow: hidden;
    position: relative;
    background: linear-gradient(145deg, #0e2a47, #1e5a8f);
    color: #ffffff;
    padding: 26px;
    min-height: 220px;
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
}

.sidebar-cta-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/coverpic/cover-2.png');
    background-size: cover;
    background-position: center;
    opacity: 0.22;
}

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

.sidebar-cta-card h4 {
    font-size: 1.1rem;
    font-weight: 800;
    margin-bottom: 8px;
}

.sidebar-cta-card p {
    font-size: 0.88rem;
    color: rgba(255, 255, 255, 0.78);
    margin-bottom: 16px;
}

.btn-gold {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, #f5b50a, #ff8a3c);
    color: #ffffff;
    font-weight: 700;
    padding: 12px 28px;
    border: none;
    border-radius: 50px;
    box-shadow: 0 6px 22px rgba(245, 181, 10, 0.35);
    transition: var(--transition);
}

.btn-gold:hover {
    color: #ffffff;
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(245, 181, 10, 0.45);
}

.btn-outline-light-soft {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    border: 1px solid rgba(255, 255, 255, 0.5);
    color: #ffffff;
    font-weight: 600;
    padding: 12px 28px;
    border-radius: 50px;
    transition: var(--transition);
}

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

.related-section {
    padding: 70px 0 30px;
    background: var(--bg-white);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}

.section-head {
    margin-bottom: 32px;
}

.section-head .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 0.06em;
    text-transform: uppercase;
    color: var(--secondary-accent);
    margin-bottom: 8px;
}

.section-head h2 {
    font-size: 1.7rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 0;
}

.section-head .sub-text {
    color: var(--text-weak);
    margin-top: 6px;
}

.related-card {
    display: block;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: 18px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
    height: 100%;
}

.related-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
    border-color: rgba(14, 42, 71, 0.15);
}

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

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

.related-card .related-cat {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--secondary-accent);
    margin-bottom: 8px;
    display: inline-block;
}

.related-card h3 {
    font-size: 1rem;
    font-weight: 700;
    line-height: 1.45;
    color: var(--text-main);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.related-card p {
    font-size: 0.86rem;
    color: var(--text-weak);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
}

.related-card .related-meta {
    font-size: 0.78rem;
    color: var(--text-weak);
    display: flex;
    align-items: center;
    gap: 12px;
    border-top: 1px solid var(--border-light);
    padding-top: 12px;
}

.cat-divider-section {
    padding: 64px 0;
}

.cat-divider-card {
    display: flex;
    align-items: center;
    gap: 18px;
    background: var(--bg-white);
    border: 1px solid var(--border);
    border-radius: var(--radius-lg);
    padding: 24px;
    box-shadow: var(--shadow-sm);
    height: 100%;
    transition: var(--transition);
}

.cat-divider-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-md);
}

.cat-divider-card .cat-icon {
    width: 54px;
    height: 54px;
    flex: 0 0 54px;
    border-radius: 15px;
    background: linear-gradient(135deg, #0e2a47, #1e5a8f);
    color: var(--accent);
    font-size: 1.35rem;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 6px 18px rgba(14, 42, 71, 0.18);
}

.cat-divider-card h3 {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--primary);
    margin-bottom: 4px;
}

.cat-divider-card p {
    font-size: 0.85rem;
    color: var(--text-weak);
    margin-bottom: 0;
}

.cta-section {
    position: relative;
    padding: 80px 0;
    background: linear-gradient(135deg, #081526 0%, #0e2a47 60%, #1a4a78 100%);
    color: #ffffff;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    opacity: 0.18;
}

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

.cta-section h2 {
    font-size: clamp(1.5rem, 2.6vw, 2.2rem);
    font-weight: 800;
    margin-bottom: 14px;
}

.cta-section p {
    font-size: 1.02rem;
    color: rgba(255, 255, 255, 0.75);
    max-width: 640px;
    margin: 0 auto 30px;
}

.cta-actions {
    display: flex;
    justify-content: center;
    gap: 14px;
    flex-wrap: wrap;
}

.faq-section {
    padding: 70px 0;
    background: var(--bg-body);
}

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

.faq-accordion .accordion-item:first-of-type {
    border-radius: 14px !important;
}

.faq-accordion .accordion-item:last-of-type {
    border-radius: 14px !important;
}

.faq-accordion .accordion-button {
    font-weight: 700;
    color: var(--text-main);
    background: var(--bg-white);
    padding: 18px 22px;
    font-size: 0.98rem;
    box-shadow: none;
}

.faq-accordion .accordion-button:not(.collapsed) {
    color: var(--primary);
    background: #f7f9fd;
}

.faq-accordion .accordion-button:focus {
    box-shadow: 0 0 0 3px rgba(14, 42, 71, 0.12);
}

.faq-accordion .accordion-button::after {
    color: var(--primary);
}

.faq-accordion .accordion-body {
    padding: 18px 22px;
    background: var(--bg-white);
    color: var(--text-weak);
    line-height: 1.85;
    border-top: 1px solid var(--border-light);
}

.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, 0.7);
    padding: 60px 0 0;
}

.site-footer .footer-brand {
    font-size: 1.25rem;
    font-weight: 800;
    color: #ffffff;
    display: flex;
    align-items: center;
    gap: 4px;
    margin-bottom: 14px;
}

.site-footer .footer-brand i {
    color: var(--accent);
}

.site-footer .footer-desc {
    font-size: 0.9rem;
    line-height: 1.75;
    max-width: 400px;
    color: rgba(255, 255, 255, 0.55);
}

.footer-title {
    font-size: 1rem;
    font-weight: 700;
    color: #ffffff;
    margin-bottom: 16px;
    padding-bottom: 10px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    position: relative;
}

.footer-title::after {
    content: '';
    position: absolute;
    bottom: -1px;
    left: 0;
    width: 32px;
    height: 2px;
    border-radius: 2px;
    background: var(--accent);
}

.footer-links {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.6);
    font-size: 0.92rem;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: var(--transition);
}

.footer-links a::before {
    content: '›';
    color: var(--accent);
    font-weight: 700;
}

.footer-links a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    margin-top: 44px;
    padding: 18px 0;
    text-align: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.4);
}

@media (max-width: 991.98px) {
    .site-header .navbar {
        flex-wrap: wrap;
    }

    .navbar-collapse {
        background: #ffffff;
        border-radius: 18px;
        margin-top: 12px;
        padding: 16px;
        box-shadow: var(--shadow-md);
        border: 1px solid var(--border);
    }

    .nav-chip {
        display: flex;
        flex-direction: column;
        width: 100%;
        border-radius: 14px;
        background: #eef2f7;
        padding: 8px;
        gap: 4px;
    }

    .nav-chip .nav-link {
        width: 100%;
        border-radius: 10px;
        text-align: center;
        padding: 11px 16px;
    }

    .nav-cta {
        justify-content: center;
        margin-top: 14px;
        width: 100%;
    }

    .article-main {
        margin-top: -30px;
    }

    .article-card {
        padding: 30px 20px;
    }

    .sidebar {
        margin-top: 32px;
    }
}

@media (max-width: 767.98px) {
    .article-banner {
        padding: 48px 0 70px;
    }

    .breadcrumb-nav .current {
        max-width: 220px;
    }

    .article-banner-title {
        font-size: 1.5rem;
    }

    .article-card {
        padding: 22px 16px;
        border-radius: 16px;
    }

    .article-content {
        font-size: 0.98rem;
    }

    .cta-actions {
        flex-direction: column;
        align-items: center;
    }

    .cta-actions .btn-gold,
    .cta-actions .btn-outline-light-soft {
        width: 100%;
        justify-content: center;
    }
}

@media (max-width: 520px) {
    .navbar-brand {
        font-size: 1.05rem;
    }

    .brand-icon {
        width: 36px;
        height: 36px;
        flex-basis: 36px;
        font-size: 1rem;
    }

    .article-banner-meta {
        gap: 10px;
    }

    .article-banner-title {
        font-size: 1.3rem;
    }

    .section-head h2 {
        font-size: 1.4rem;
    }

    .related-card img {
        height: 170px;
    }

    .cat-divider-card {
        padding: 18px;
    }
}

/* roulang page: category1 */
:root {
    --primary: #0f4c81;
    --primary-dark: #0a3357;
    --primary-light: #e8f1fb;
    --accent: #f7a600;
    --accent-hover: #e09500;
    --accent-soft: #fff4d8;
    --dark-bg: #0b2545;
    --dark-bg-2: #123258;
    --body-bg: #f4f7fb;
    --text: #1b2a3a;
    --text-muted: #5b6b7c;
    --border: #dfe6ee;
    --radius: 14px;
    --radius-lg: 20px;
    --shadow-sm: 0 2px 10px rgba(15, 76, 129, 0.07);
    --shadow: 0 12px 30px rgba(15, 76, 129, 0.12);
    --shadow-lg: 0 24px 55px rgba(15, 76, 129, 0.18);
    --transition: 0.3s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    margin: 0;
    font-family: -apple-system, "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
    font-size: 1rem;
    line-height: 1.7;
    color: var(--text);
    background: var(--body-bg);
    -webkit-font-smoothing: antialiased;
}

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

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

button,
input {
    font-family: inherit;
}

.container {
    max-width: 1200px;
    padding-left: 24px;
    padding-right: 24px;
}

/* ===== 导航 ===== */
.site-header {
    background: var(--dark-bg);
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.16);
    position: sticky;
    top: 0;
    z-index: 1050;
}

.navbar {
    min-height: 74px;
    padding: 0.55rem 0;
}

.navbar-brand {
    color: #fff;
    font-size: 1.18rem;
    font-weight: 700;
    letter-spacing: 0.02em;
    gap: 10px;
    line-height: 1.2;
}

.navbar-brand:hover {
    color: #fff;
}

.brand-icon {
    width: 38px;
    height: 38px;
    border-radius: 11px;
    background: linear-gradient(135deg, #ffc93d, var(--accent));
    color: #0b2545;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    box-shadow: 0 4px 12px rgba(247, 166, 0, 0.35);
}

.nav-chip {
    display: flex;
    flex-wrap: wrap;
    gap: 4px;
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.09);
    padding: 4px;
    border-radius: 48px;
}

.nav-chip .nav-link {
    color: rgba(255, 255, 255, 0.75);
    font-size: 0.92rem;
    font-weight: 500;
    padding: 8px 18px;
    border-radius: 48px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-chip .nav-link:hover {
    color: #fff;
    background: rgba(255, 255, 255, 0.12);
}

.nav-chip .nav-link.active {
    color: #0b2545;
    background: var(--accent);
    font-weight: 600;
    box-shadow: 0 4px 14px rgba(247, 166, 0, 0.35);
}

.nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #0b2545;
    font-weight: 600;
    font-size: 0.92rem;
    padding: 10px 22px;
    border-radius: 48px;
    transition: var(--transition);
    white-space: nowrap;
}

.nav-cta:hover {
    background: var(--accent-hover);
    color: #0b2545;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(247, 166, 0, 0.35);
}

.navbar-toggler {
    border: none;
    color: #fff;
    font-size: 1.35rem;
    padding: 4px 8px;
}

.navbar-toggler:focus {
    box-shadow: none;
}

/* ===== 面包屑 ===== */
.breadcrumb-custom {
    display: inline-flex;
    flex-wrap: wrap;
    gap: 6px;
    align-items: center;
    padding: 8px 18px;
    background: rgba(255, 255, 255, 0.14);
    border-radius: 40px;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.85);
    backdrop-filter: blur(6px);
}

.breadcrumb-custom a {
    color: rgba(255, 255, 255, 0.9);
}

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

.breadcrumb-custom i {
    font-size: 0.7rem;
    color: rgba(255, 255, 255, 0.6);
}

/* ===== 分类 Hero ===== */
.category-hero {
    padding: 110px 0 96px;
    background-image: linear-gradient(135deg, rgba(11, 37, 69, 0.94), rgba(15, 38, 80, 0.85)), url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    color: #fff;
    position: relative;
}

.category-hero .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(247, 166, 0, 0.18);
    border: 1px solid rgba(247, 166, 0, 0.5);
    color: var(--accent);
    border-radius: 40px;
    padding: 7px 18px;
    font-size: 0.85rem;
    font-weight: 500;
    margin-bottom: 24px;
    letter-spacing: 0.04em;
}

.category-hero h1 {
    font-size: 2.9rem;
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 18px;
    letter-spacing: -0.01em;
}

.category-hero .hero-sub {
    font-size: 1.12rem;
    color: rgba(255, 255, 255, 0.82);
    max-width: 720px;
    margin-bottom: 34px;
    line-height: 1.8;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 14px;
}

.btn-hero {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #0b2545;
    font-weight: 600;
    padding: 13px 30px;
    border-radius: 48px;
    transition: var(--transition);
    border: none;
    font-size: 0.95rem;
}

.btn-hero:hover {
    background: var(--accent-hover);
    color: #0b2545;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(247, 166, 0, 0.35);
}

.btn-hero-outline {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    font-weight: 500;
    padding: 12px 26px;
    border-radius: 48px;
    transition: var(--transition);
    border: 1px solid rgba(255, 255, 255, 0.35);
    font-size: 0.95rem;
}

.btn-hero-outline:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: rgba(247, 166, 0, 0.08);
}

/* ===== 通用板块 ===== */
.section {
    padding: 84px 0;
}

.section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 50px;
}

.section-tag {
    display: inline-block;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 0.82rem;
    font-weight: 600;
    letter-spacing: 0.06em;
    padding: 7px 18px;
    border-radius: 40px;
    margin-bottom: 14px;
    text-transform: uppercase;
}

.section-title {
    font-size: 2rem;
    font-weight: 800;
    line-height: 1.3;
    margin-bottom: 14px;
    color: var(--text);
}

.section-desc {
    color: var(--text-muted);
    font-size: 1rem;
    line-height: 1.8;
}

/* ===== 数据统计卡 ===== */
.about-section {
    background: #fff;
    border-bottom: 1px solid var(--border);
}

.data-card {
    background: var(--body-bg);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 24px;
    text-align: center;
    transition: var(--transition);
    height: 100%;
}

.data-card:hover {
    border-color: rgba(15, 76, 129, 0.25);
    box-shadow: var(--shadow);
    transform: translateY(-4px);
    background: #fff;
}

.data-card .data-icon {
    width: 46px;
    height: 46px;
    margin: 0 auto 14px;
    border-radius: 13px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.2rem;
}

.data-card .data-num {
    font-size: 2rem;
    font-weight: 800;
    color: var(--text);
    line-height: 1.2;
}

.data-card .data-num span {
    font-size: 1rem;
    font-weight: 600;
    color: var(--accent);
}

.data-card .data-label {
    margin-top: 8px;
    color: var(--text-muted);
    font-size: 0.9rem;
}

/* ===== 资讯卡片 ===== */
.news-section {
    background: var(--body-bg);
    padding: 84px 0;
}

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

.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(15, 76, 129, 0.18);
}

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

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

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

.news-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 37, 69, 0) 40%, rgba(11, 37, 69, 0.4));
}

.news-tag {
    position: absolute;
    top: 14px;
    left: 14px;
    z-index: 2;
    background: rgba(11, 37, 69, 0.85);
    color: #fff;
    font-size: 0.78rem;
    font-weight: 600;
    padding: 5px 14px;
    border-radius: 40px;
    backdrop-filter: blur(4px);
    border: 1px solid rgba(255, 255, 255, 0.16);
}

.news-body {
    padding: 22px 24px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}

.news-body h3 {
    font-size: 1.08rem;
    font-weight: 700;
    line-height: 1.5;
    margin-bottom: 10px;
    color: var(--text);
}

.news-body p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.7;
    margin-bottom: 18px;
    flex: 1;
}

.news-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    border-top: 1px dashed var(--border);
    padding-top: 14px;
    font-size: 0.85rem;
    color: var(--text-muted);
}

.news-meta a {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 5px;
}

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

/* ===== 标签板块 ===== */
.tags-section {
    background: #fff;
    border-bottom: 1px solid var(--border);
    padding: 84px 0;
}

.tags-wrap {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 12px;
    max-width: 980px;
    margin: 0 auto;
}

.tag-chip {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 22px;
    background: var(--body-bg);
    border: 1px solid var(--border);
    border-radius: 48px;
    font-weight: 500;
    font-size: 0.92rem;
    color: var(--text);
    transition: var(--transition);
}

.tag-chip i {
    color: var(--accent);
    font-size: 0.85rem;
}

.tag-chip:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 8px 22px rgba(15, 76, 129, 0.25);
}

.tag-chip:hover i {
    color: var(--accent);
}

/* ===== 时间线 ===== */
.timeline-section {
    background: var(--dark-bg);
    color: #fff;
    padding: 90px 0;
    background-image: linear-gradient(135deg, rgba(11, 37, 69, 0.96), rgba(18, 50, 88, 0.92)), url('/assets/images/backpic/back-1.png');
    background-size: cover;
    background-position: center;
}

.timeline-section .section-title,
.timeline-section .section-desc {
    color: #fff;
}

.timeline-section .section-tag {
    background: rgba(247, 166, 0, 0.15);
    color: var(--accent);
}

.timeline {
    position: relative;
    padding-left: 34px;
}

.timeline::before {
    content: "";
    position: absolute;
    left: 12px;
    top: 8px;
    bottom: 8px;
    width: 2px;
    background: linear-gradient(180deg, var(--accent), rgba(247, 166, 0, 0.15));
}

.timeline-item {
    position: relative;
    margin-bottom: 30px;
}

.timeline-item:last-child {
    margin-bottom: 0;
}

.timeline-dot {
    position: absolute;
    left: -29px;
    top: 24px;
    width: 15px;
    height: 15px;
    border-radius: 50%;
    background: var(--accent);
    border: 3px solid var(--dark-bg-2);
    box-shadow: 0 0 0 3px rgba(247, 166, 0, 0.3);
}

.timeline-card {
    background: rgba(255, 255, 255, 0.07);
    border: 1px solid rgba(255, 255, 255, 0.12);
    backdrop-filter: blur(8px);
    border-radius: var(--radius);
    padding: 26px 28px;
    transition: var(--transition);
}

.timeline-card:hover {
    background: rgba(255, 255, 255, 0.12);
    transform: translateX(4px);
}

.timeline-card .timeline-phase {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: 4px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.timeline-card .timeline-time {
    display: inline-block;
    background: rgba(247, 166, 0, 0.18);
    color: var(--accent);
    font-size: 0.8rem;
    font-weight: 500;
    padding: 3px 12px;
    border-radius: 30px;
    margin-bottom: 10px;
}

.timeline-card p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 0.92rem;
    margin-bottom: 0;
    line-height: 1.7;
}

/* ===== 深度列表 ===== */
.deep-section {
    background: var(--body-bg);
    padding: 84px 0;
}

.deep-list {
    max-width: 860px;
    margin: 0 auto;
}

.deep-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 28px 32px;
    margin-bottom: 18px;
    transition: var(--transition);
    display: flex;
    gap: 24px;
    align-items: flex-start;
}

.deep-item:hover {
    box-shadow: var(--shadow);
    transform: translateY(-3px);
    border-color: rgba(15, 76, 129, 0.25);
}

.deep-item .deep-index {
    flex-shrink: 0;
    width: 46px;
    height: 46px;
    border-radius: 13px;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: 1.05rem;
}

.deep-body {
    flex: 1;
}

.deep-body .deep-tag {
    display: inline-block;
    font-size: 0.76rem;
    color: var(--primary);
    background: var(--primary-light);
    padding: 4px 12px;
    border-radius: 30px;
    margin-bottom: 8px;
    font-weight: 500;
}

.deep-body h3 {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 8px;
    line-height: 1.5;
}

.deep-body p {
    color: var(--text-muted);
    font-size: 0.92rem;
    line-height: 1.75;
    margin-bottom: 12px;
}

.deep-body .deep-date {
    font-size: 0.82rem;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 6px;
}

.deep-body .deep-date i {
    color: var(--accent);
}

/* ===== FAQ ===== */
.faq-section {
    background: #fff;
    padding: 84px 0;
    border-bottom: 1px solid var(--border);
}

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

.faq-accordion .accordion-button {
    padding: 20px 26px;
    font-weight: 600;
    font-size: 1rem;
    color: var(--text);
    background: #fff;
    transition: var(--transition);
}

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

.faq-accordion .accordion-button:focus {
    box-shadow: none;
    border-color: rgba(15, 76, 129, 0.25);
}

.faq-accordion .accordion-button::after {
    background-size: 1rem;
    opacity: 0.7;
}

.faq-accordion .accordion-body {
    padding: 4px 26px 22px;
    color: var(--text-muted);
    font-size: 0.95rem;
    line-height: 1.8;
    background: #fff;
}

/* ===== CTA ===== */
.cta-section {
    background: var(--dark-bg);
    padding: 80px 0;
    background-image: linear-gradient(135deg, rgba(11, 37, 69, 0.95), rgba(15, 38, 80, 0.9)), url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
}

.cta-box {
    text-align: center;
    color: #fff;
    max-width: 720px;
    margin: 0 auto;
}

.cta-box h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: 16px;
}

.cta-box p {
    color: rgba(255, 255, 255, 0.82);
    font-size: 1.05rem;
    line-height: 1.8;
    margin-bottom: 30px;
}

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

.btn-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--accent);
    color: #0b2545;
    font-weight: 600;
    padding: 13px 32px;
    border-radius: 48px;
    transition: var(--transition);
    font-size: 0.95rem;
}

.btn-cta:hover {
    background: var(--accent-hover);
    color: #0b2545;
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(247, 166, 0, 0.35);
}

.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: transparent;
    color: #fff;
    border: 1px solid rgba(255, 255, 255, 0.3);
    font-weight: 500;
    padding: 12px 28px;
    border-radius: 48px;
    transition: var(--transition);
    font-size: 0.95rem;
}

.btn-ghost:hover {
    border-color: var(--accent);
    color: var(--accent);
}

/* ===== 页脚 ===== */
.site-footer {
    background: var(--dark-bg);
    color: rgba(255, 255, 255, 0.75);
    padding: 64px 0 0;
    font-size: 0.92rem;
}

.footer-brand {
    font-size: 1.2rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
    display: flex;
    align-items: center;
}

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

.footer-desc {
    color: rgba(255, 255, 255, 0.62);
    line-height: 1.75;
    margin-bottom: 0;
}

.footer-title {
    font-size: 1rem;
    font-weight: 600;
    color: #fff;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 8px;
}

.footer-title::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 26px;
    height: 3px;
    border-radius: 3px;
    background: var(--accent);
}

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

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

.footer-links a {
    color: rgba(255, 255, 255, 0.62);
    transition: var(--transition);
    display: inline-block;
}

.footer-links a:hover {
    color: var(--accent);
    transform: translateX(4px);
}

.footer-bottom {
    margin-top: 50px;
    padding: 22px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    text-align: center;
    color: rgba(255, 255, 255, 0.45);
    font-size: 0.85rem;
}

/* ===== 响应式 ===== */
@media (max-width: 1199.98px) {
    .nav-chip .nav-link {
        padding: 7px 13px;
        font-size: 0.85rem;
    }
}

@media (max-width: 991.98px) {
    .navbar-collapse {
        padding: 18px 0 10px;
    }

    .nav-chip {
        width: 100%;
        border-radius: 18px;
        flex-wrap: wrap;
        justify-content: center;
        padding: 10px;
        margin: 12px 0 16px !important;
    }

    .nav-chip .nav-link {
        padding: 8px 15px;
        font-size: 0.88rem;
    }

    .nav-cta {
        display: inline-flex;
        justify-content: center;
        width: 100%;
    }

    .category-hero {
        padding: 80px 0 64px;
    }

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

    .section,
    .news-section,
    .tags-section,
    .deep-section,
    .faq-section {
        padding: 64px 0;
    }

    .timeline-section {
        padding: 64px 0;
    }

    .timeline {
        margin-top: 32px;
        padding-left: 30px;
    }
}

@media (max-width: 767.98px) {
    .container {
        padding-left: 20px;
        padding-right: 20px;
    }

    .category-hero {
        padding: 60px 0 48px;
    }

    .category-hero h1 {
        font-size: 1.8rem;
    }

    .category-hero .hero-sub {
        font-size: 0.98rem;
    }

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

    .data-card {
        padding: 22px 16px;
    }

    .data-card .data-num {
        font-size: 1.55rem;
    }

    .news-img {
        height: 170px;
    }

    .deep-item {
        flex-direction: column;
        gap: 14px;
        padding: 22px;
    }

    .tag-chip {
        padding: 9px 16px;
        font-size: 0.85rem;
    }

    .timeline-card {
        padding: 20px;
    }
}

@media (max-width: 520px) {
    .category-hero h1 {
        font-size: 1.55rem;
    }

    .hero-actions .btn-hero,
    .hero-actions .btn-hero-outline {
        width: 100%;
        justify-content: center;
    }

    .data-card {
        padding: 18px 12px;
    }

    .data-card .data-num {
        font-size: 1.35rem;
    }

    .news-body {
        padding: 18px 18px 20px;
    }

    .news-body h3 {
        font-size: 1rem;
    }

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

    .cta-actions {
        flex-direction: column;
        width: 100%;
    }

    .cta-actions .btn-cta,
    .cta-actions .btn-ghost {
        width: 100%;
        justify-content: center;
    }

    .timeline {
        padding-left: 22px;
    }

    .timeline-dot {
        left: -24px;
        width: 12px;
        height: 12px;
    }
}

/* roulang page: category3 */
:root {
            --primary: #1e3a5f;
            --primary-dim: #162d4a;
            --primary-light: #2c5282;
            --accent: #d4a843;
            --accent-light: #e8c96a;
            --bg: #f6f8fb;
            --bg-alt: #edf1f6;
            --surface: #ffffff;
            --text: #1b2a3a;
            --text-weak: #6b7a8c;
            --border: #e2e8f0;
            --radius: 14px;
            --radius-lg: 20px;
            --shadow: 0 6px 24px rgba(30, 58, 95, .08);
            --shadow-hover: 0 12px 36px rgba(30, 58, 95, .15);
            --space: 80px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s;
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1220px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: var(--surface);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 15px rgba(30, 58, 95, .05);
        }
        .site-header .navbar {
            padding: 14px 0;
            min-height: 70px;
        }
        .navbar-brand {
            font-size: 1.32rem;
            font-weight: 800;
            color: var(--primary) !important;
            letter-spacing: .5px;
            gap: 10px;
        }
        .brand-icon {
            width: 42px;
            height: 42px;
            min-width: 42px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            box-shadow: 0 4px 14px rgba(30, 58, 95, .25);
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 4px;
            gap: 2px;
        }
        .nav-chip .nav-link {
            padding: 8px 22px;
            border-radius: 50px;
            font-size: .92rem;
            font-weight: 600;
            color: var(--text-weak);
            transition: all .3s;
            white-space: nowrap;
        }
        .nav-chip .nav-link:hover {
            color: var(--primary);
            background: rgba(30, 58, 95, .06);
        }
        .nav-chip .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(30, 58, 95, .25);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            padding: 9px 22px;
            border-radius: 50px;
            font-weight: 700;
            font-size: .92rem;
            transition: all .3s;
            box-shadow: 0 4px 16px rgba(212, 168, 67, .35);
            border: none;
        }
        .nav-cta:hover {
            background: var(--accent-light);
            color: var(--primary-dim);
            transform: translateY(-2px);
            box-shadow: 0 6px 22px rgba(212, 168, 67, .45);
        }
        .navbar-toggler {
            border: none;
            color: var(--primary);
            font-size: 1.3rem;
            padding: 6px 12px;
            background: var(--bg);
            border-radius: 10px;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
        }

        .page-hero {
            position: relative;
            padding: 90px 0 80px;
            background: linear-gradient(135deg, rgba(30, 58, 95, .92), rgba(22, 45, 74, .88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            border-bottom: 4px solid var(--accent);
        }
        .page-hero .page-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, .2);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: .85rem;
            font-weight: 600;
            letter-spacing: .5px;
            margin-bottom: 18px;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .page-hero p.lead {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, .82);
            max-width: 760px;
            margin: 0 auto;
        }
        .page-hero .hero-badges {
            margin-top: 26px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .page-hero .hero-badges span {
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .18);
            backdrop-filter: blur(4px);
            padding: 5px 14px;
            border-radius: 30px;
            font-size: .82rem;
            font-weight: 500;
        }

        .section-block {
            padding: var(--space) 0;
        }
        .section-title-wrap {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-title-wrap .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-weight: 700;
            font-size: .85rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .section-title-wrap h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .section-title-wrap p {
            color: var(--text-weak);
            max-width: 640px;
            margin: 0 auto;
        }

        .service-feature-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 30px;
            height: 100%;
            border: 1px solid var(--border);
            transition: transform .3s, box-shadow .3s;
            position: relative;
            overflow: hidden;
        }
        .service-feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }
        .service-feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .service-feature-card .feature-icon {
            width: 58px;
            height: 58px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            margin-bottom: 18px;
            box-shadow: 0 6px 18px rgba(30, 58, 95, .2);
        }
        .service-feature-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .service-feature-card p {
            color: var(--text-weak);
            font-size: .9rem;
            line-height: 1.65;
            margin-bottom: 0;
        }

        .service-item-row {
            background: var(--surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            margin-bottom: 26px;
            transition: box-shadow .3s, transform .3s;
        }
        .service-item-row:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-3px);
        }
        .service-item-row .service-img-wrap {
            height: 100%;
            min-height: 240px;
            background: var(--bg-alt);
            position: relative;
            overflow: hidden;
        }
        .service-item-row .service-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .service-item-row:hover .service-img-wrap img {
            transform: scale(1.03);
        }
        .service-item-row .service-body {
            padding: 34px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            height: 100%;
        }
        .service-body .service-tag {
            display: inline-flex;
            align-items: center;
            width: fit-content;
            background: rgba(212, 168, 67, .12);
            color: var(--accent);
            border-radius: 20px;
            padding: 3px 12px;
            font-size: .78rem;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: .5px;
        }
        .service-body h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .service-body p {
            color: var(--text-weak);
            font-size: .92rem;
            margin-bottom: 0;
        }

        .process-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 30px 22px;
            text-align: center;
            height: 100%;
            border: 1px solid var(--border);
            transition: box-shadow .3s, transform .3s;
            position: relative;
        }
        .process-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .process-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            margin: 0 auto 16px;
            box-shadow: 0 6px 16px rgba(30, 58, 95, .25);
        }
        .process-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .process-card p {
            color: var(--text-weak);
            font-size: .87rem;
            margin-bottom: 0;
        }
        .process-arrow {
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: .9rem;
            z-index: 2;
            background: var(--bg);
            border-radius: 50%;
            width: 30px;
            height: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 1px solid var(--border);
        }

        .content-card {
            background: var(--surface);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            height: 100%;
            transition: box-shadow .3s, transform .3s;
        }
        .content-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .content-card .card-img {
            height: 160px;
            overflow: hidden;
        }
        .content-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s;
        }
        .content-card:hover .card-img img {
            transform: scale(1.05);
        }
        .content-card .card-body {
            padding: 22px;
        }
        .content-card .card-tag {
            display: inline-flex;
            background: rgba(212, 168, 67, .14);
            color: #b0861f;
            font-size: .75rem;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: 12px;
            margin-bottom: 10px;
        }
        .content-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .content-card p {
            color: var(--text-weak);
            font-size: .85rem;
            margin-bottom: 14px;
        }
        .content-card .card-meta {
            font-size: .78rem;
            color: var(--text-weak);
            display: flex;
            gap: 14px;
            border-top: 1px solid var(--border);
            padding-top: 12px;
        }

        .stat-box {
            background: var(--surface);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--border);
            height: 100%;
            transition: box-shadow .3s;
        }
        .stat-box:hover {
            box-shadow: var(--shadow-hover);
        }
        .stat-box .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary);
        }
        .stat-box .stat-label {
            color: var(--text-weak);
            font-size: .88rem;
            margin-top: 4px;
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow .3s;
        }
        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }
        .faq-item summary {
            padding: 20px 26px;
            font-weight: 700;
            color: var(--primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            font-size: .95rem;
            background: var(--surface);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--accent);
            transition: transform .3s;
            font-size: .85rem;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }
        .faq-item .faq-answer {
            padding: 0 26px 20px;
            color: var(--text-weak);
            font-size: .9rem;
        }

        .cta-block {
            background: linear-gradient(135deg, rgba(30, 58, 95, .94), rgba(22, 45, 74, .92)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            border-radius: 24px;
            padding: 60px 44px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(30, 58, 95, .25);
        }
        .cta-block h2 {
            font-size: 1.9rem;
            font-weight: 800;
            margin-bottom: 14px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, .8);
            max-width: 600px;
            margin: 0 auto 30px;
        }
        .btn-light-accent {
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            padding: 12px 36px;
            border-radius: 50px;
            border: none;
            transition: all .3s;
            box-shadow: 0 6px 24px rgba(212, 168, 67, .4);
        }
        .btn-light-accent:hover {
            background: var(--accent-light);
            color: var(--primary-dim);
            transform: translateY(-2px);
            box-shadow: 0 10px 30px rgba(212, 168, 67, .5);
        }

        .site-footer {
            background: #111d2c;
            color: rgba(255, 255, 255, .7);
            padding: 60px 0 0;
            border-top: 3px solid var(--accent);
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-desc {
            font-size: .88rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, .55);
            max-width: 360px;
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-title::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li {
            margin-bottom: 10px;
        }
        .footer-links a {
            color: rgba(255, 255, 255, .6);
            font-size: .88rem;
            transition: color .25s, padding-left .25s;
        }
        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding: 20px 0;
            margin-top: 40px;
            text-align: center;
            font-size: .82rem;
            color: rgba(255, 255, 255, .45);
        }

        @media (max-width: 991px) {
            .nav-chip {
                background: transparent;
                border: none;
                flex-wrap: wrap;
                gap: 6px;
            }
            .nav-chip .nav-link {
                background: var(--bg);
                border: 1px solid var(--border);
            }
            .nav-cta {
                margin-top: 12px;
                justify-content: center;
            }
            .page-hero {
                padding: 60px 0 54px;
            }
            .page-hero h1 {
                font-size: 2.1rem;
            }
            .process-arrow {
                display: none;
            }
            .section-block {
                padding: 54px 0;
            }
            .service-item-row .service-body {
                padding: 26px;
            }
        }

        @media (max-width: 767px) {
            .page-hero h1 {
                font-size: 1.7rem;
            }
            .page-hero p.lead {
                font-size: .95rem;
            }
            .section-title-wrap h2 {
                font-size: 1.6rem;
            }
            .cta-block {
                padding: 46px 24px;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .site-header .navbar {
                padding: 10px 0;
            }
            .navbar-brand {
                font-size: 1.1rem;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                min-width: 36px;
                font-size: .9rem;
            }
            .page-hero {
                padding: 46px 0 40px;
            }
            .page-hero .hero-badges span {
                font-size: .75rem;
            }
            .service-feature-card {
                padding: 22px;
            }
            .service-body h3 {
                font-size: 1.08rem;
            }
            .stat-box .stat-num {
                font-size: 1.7rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0d1b3e;
            --primary-light: #16275a;
            --primary-lighter: #1f3670;
            --accent: #ff6b35;
            --accent-hover: #e85a2a;
            --accent-soft: #fff1ec;
            --info: #17a2b8;
            --bg-body: #f5f7fc;
            --bg-soft: #edf1f9;
            --text-main: #161b2b;
            --text-muted: #61687a;
            --border: #e5e9f2;
            --card-bg: #ffffff;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 6px 24px rgba(13, 27, 62, 0.07);
            --shadow-hover: 0 14px 36px rgba(13, 27, 62, 0.13);
            --transition: all .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;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.75;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--primary);
            text-decoration: none;
            transition: color .25s ease;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1280px;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Header / Nav ===== */
        .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(229, 233, 242, 0.7);
            box-shadow: 0 2px 20px rgba(13, 27, 62, 0.04);
        }

        .site-header .navbar {
            padding: 14px 0;
            min-height: 72px;
        }

        .site-header .navbar-brand {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--primary) 0%, #28429e 100%);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
            box-shadow: 0 4px 12px rgba(13, 27, 62, 0.25);
        }

        .nav-chip {
            display: inline-flex;
            gap: 4px;
            background: var(--bg-soft);
            border-radius: 50px;
            padding: 6px;
            border: 1px solid var(--border);
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
        }

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

        .nav-chip .nav-link {
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-muted);
            background: transparent;
            border: none;
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-chip .nav-link:hover {
            color: var(--primary);
            background: rgba(255, 255, 255, 0.6);
        }

        .nav-chip .nav-link.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(13, 27, 62, 0.25);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 10px 22px;
            border-radius: 50px;
            font-size: 14px;
            box-shadow: 0 4px 16px rgba(255, 107, 53, 0.35);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-cta:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(255, 107, 53, 0.42);
        }

        .navbar-toggler {
            border: none;
            font-size: 22px;
            color: var(--primary);
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
        }

        @media (max-width: 991.98px) {
            .site-header .navbar-collapse {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                border-radius: 0 0 20px 20px;
                box-shadow: 0 16px 40px rgba(13, 27, 62, 0.12);
                padding: 16px 24px;
                border-top: 1px solid var(--border);
            }

            .nav-chip {
                flex-direction: column;
                width: 100%;
                background: transparent;
                border: none;
                padding: 0;
                gap: 8px;
                border-radius: 0;
            }

            .nav-chip .nav-link {
                width: 100%;
                text-align: left;
                padding: 12px 18px;
                border-radius: 12px;
                font-size: 15px;
            }

            .nav-chip .nav-link.active {
                background: var(--primary);
            }

            .nav-cta {
                margin-top: 12px;
                width: 100%;
                justify-content: center;
            }
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 110px 0 90px;
            background-color: var(--primary);
            overflow: hidden;
        }

        .page-hero .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.5;
            z-index: 0;
        }

        .page-hero .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(13, 27, 62, 0.92) 0%, rgba(13, 27, 62, 0.65) 50%, rgba(255, 107, 53, 0.25) 100%);
        }

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

        .breadcrumb-nav {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 50px;
            padding: 8px 22px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }

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

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

        .breadcrumb-nav .fa-chevron-right {
            font-size: 11px;
            opacity: 0.6;
        }

        .breadcrumb-nav .current {
            color: #fff;
            font-weight: 600;
        }

        .page-hero h1 {
            font-size: 46px;
            font-weight: 800;
            color: #fff;
            line-height: 1.28;
            letter-spacing: -1px;
            margin-bottom: 18px;
            max-width: 780px;
        }

        .page-hero .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            margin-bottom: 38px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 600;
            padding: 13px 30px;
            border-radius: 50px;
            border: none;
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
            transition: var(--transition);
            font-size: 15px;
        }

        .btn-accent:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 107, 53, 0.5);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            padding: 13px 30px;
            border-radius: 50px;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: var(--transition);
            font-size: 15px;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 80px 0 60px;
            }

            .page-hero h1 {
                font-size: 32px;
            }

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

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

            .hero-actions .btn {
                justify-content: center;
            }
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 90px 0;
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 2px;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.8;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 60px;
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 60px 0;
            }

            .section-title {
                font-size: 27px;
            }

            .section-head {
                margin-bottom: 40px;
            }
        }

        /* ===== Stats ===== */
        .stats-section {
            background: var(--card-bg);
            border-bottom: 1px solid var(--border);
        }

        .stat-card {
            text-align: center;
            padding: 40px 20px;
            border-radius: var(--radius);
            background: var(--bg-body);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
        }

        .stat-card:hover {
            border-color: rgba(255, 107, 53, 0.3);
            box-shadow: var(--shadow);
            transform: translateY(-4px);
        }

        .stat-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            background: var(--accent-soft);
            color: var(--accent);
        }

        .stat-card h3 {
            font-size: 40px;
            font-weight: 800;
            color: var(--primary);
            margin-bottom: 4px;
            line-height: 1.2;
        }

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

        /* ===== Sport Category Cards ===== */
        .sport-grid {
            background: var(--bg-body);
        }

        .sport-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            box-shadow: 0 2px 10px rgba(13, 27, 62, 0.03);
        }

        .sport-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(255, 107, 53, 0.25);
        }

        .sport-card-media {
            position: relative;
            height: 210px;
            overflow: hidden;
        }

        .sport-card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

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

        .sport-card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(13, 27, 62, 0.45));
        }

        .sport-card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(6px);
            padding: 6px 14px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            z-index: 2;
        }

        .sport-card-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .sport-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .sport-card-body p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            color: var(--accent);
        }

        .card-link .fa-arrow-right {
            transition: transform .3s ease;
            font-size: 12px;
        }

        .card-link:hover {
            color: var(--accent-hover);
        }

        .card-link:hover .fa-arrow-right {
            transform: translateX(5px);
        }

        /* ===== Flow Section ===== */
        .flow-section {
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }

        .flow-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.15) 0%, transparent 70%);
            border-radius: 50%;
        }

        .flow-section .section-label {
            color: rgba(255, 255, 255, 0.7);
        }

        .flow-section .section-title {
            color: #fff;
        }

        .flow-section .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        .flow-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 36px 28px;
            height: 100%;
            backdrop-filter: blur(10px);
            transition: var(--transition);
        }

        .flow-item:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-6px);
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.2);
        }

        .flow-icon {
            width: 60px;
            height: 60px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--accent), #ff9a6a);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: #fff;
            margin-bottom: 20px;
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.4);
        }

        .flow-step {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            color: rgba(255, 255, 255, 0.5);
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .flow-item h4 {
            font-size: 19px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .flow-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== Tips Section ===== */
        .tips-section {
            background: var(--card-bg);
        }

        .tips-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .tip-item {
            display: flex;
            gap: 18px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .tip-item:hover {
            padding-left: 8px;
        }

        .tip-icon {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-top: 4px;
        }

        .tip-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .tip-item p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.65;
        }

        .tips-media {
            border-radius: var(--radius);
            overflow: hidden;
            height: 100%;
            min-height: 360px;
            position: relative;
            box-shadow: var(--shadow);
        }

        .tips-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }

        .tips-media:hover img {
            transform: scale(1.03);
        }

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

        .accordion {
            --bs-accordion-border-color: var(--border);
            --bs-accordion-border-radius: var(--radius);
            --bs-accordion-inner-border-radius: var(--radius);
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 16px;
            overflow: hidden;
            background: var(--card-bg);
            box-shadow: 0 2px 8px rgba(13, 27, 62, 0.03);
        }

        .accordion-item:first-of-type {
            border-radius: var(--radius);
        }

        .accordion-item:last-of-type {
            border-radius: var(--radius);
        }

        .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            padding: 20px 24px;
            background: var(--card-bg);
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: var(--accent-soft);
            color: var(--accent);
        }

        .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='%23ff6b35'%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:focus {
            box-shadow: none;
            outline: 2px solid rgba(255, 107, 53, 0.3);
        }

        .accordion-body {
            padding: 0 24px 22px;
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, #0b1a3a 0%, #16275a 60%, #24387a 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -30%;
            right: -5%;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(23, 162, 184, 0.2) 0%, transparent 70%);
            border-radius: 50%;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            color: #fff;
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-inner p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 17px;
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            padding: 15px 40px;
            border-radius: 50px;
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.45);
            transition: var(--transition);
        }

        .cta-btn:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 12px 32px rgba(255, 107, 53, 0.55);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0a1428;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 30px;
            font-size: 15px;
        }

        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
        }

        .footer-brand i {
            color: var(--accent);
            font-size: 20px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 360px;
            margin-bottom: 0;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

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

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

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            margin-top: 50px;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Focus Accessibility ===== */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 38px;
            }
        }

        @media (max-width: 768px) {
            .stat-card {
                padding: 28px 16px;
            }

            .stat-card h3 {
                font-size: 32px;
            }

            .sport-card-media {
                height: 180px;
            }

            .tips-media {
                min-height: 260px;
            }

            .flow-item {
                padding: 24px 20px;
            }

            .cta-inner h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 18px;
                padding-right: 18px;
            }

            .site-header .navbar-brand {
                font-size: 18px;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .page-hero {
                padding: 60px 0 50px;
            }

            .page-hero h1 {
                font-size: 28px;
            }

            .page-hero .hero-subtitle {
                font-size: 15px;
            }

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

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

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

            .tips-media {
                min-height: 220px;
            }

            .site-footer {
                padding: 50px 0 24px;
            }
        }