/* roulang page: index */
:root {
            --color-brand: #1a2a44;
            --color-brand-light: #2c3e61;
            --color-brand-dark: #0d1524;
            --color-accent: #c8a45a;
            --color-accent-light: #e0c789;
            --color-accent-dark: #a8863f;
            --color-bg: #f5f3ef;
            --radius: 14px;
        }
        * {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            background-color: var(--color-bg);
            color: #1a1a1a;
            line-height: 1.65;
        }
        a {
            text-decoration: none;
            color: inherit;
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container-x {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        .section-pad {
            padding-top: 5rem;
            padding-bottom: 5rem;
        }
        .section-tag {
            display: inline-block;
            padding: .3rem .9rem;
            background: rgba(200, 164, 90, .12);
            color: var(--color-accent-dark);
            font-size: .8rem;
            font-weight: 600;
            letter-spacing: .04em;
            border-radius: 999px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            line-height: 1.3;
            margin-top: .55rem;
            color: var(--color-brand-dark);
        }
        .section-sub {
            color: #6b7280;
            margin-top: .35rem;
            font-size: 1rem;
        }
        @media (max-width: 640px) {
            .section-pad {
                padding-top: 3.2rem;
                padding-bottom: 3.2rem;
            }
            .section-title {
                font-size: 1.55rem;
            }
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: var(--color-accent);
            color: #0d1524;
            font-weight: 600;
            font-size: .95rem;
            padding: .75rem 1.8rem;
            border-radius: 999px;
            transition: all .25s ease;
            border: 2px solid transparent;
            cursor: pointer;
        }
        .btn-primary:hover {
            background: var(--color-accent-light);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(200, 164, 90, .3);
        }
        .btn-primary:focus-visible {
            outline: 3px solid rgba(200, 164, 90, .45);
            outline-offset: 2px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            border: 2px solid rgba(255, 255, 255, .7);
            color: #fff;
            font-weight: 600;
            font-size: .95rem;
            padding: .75rem 1.8rem;
            border-radius: 999px;
            transition: all .25s ease;
            background: transparent;
            cursor: pointer;
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .12);
            transform: translateY(-2px);
        }
        .btn-outline:focus-visible {
            outline: 3px solid rgba(255, 255, 255, .3);
            outline-offset: 2px;
        }
        .btn-dark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: .5rem;
            background: var(--color-brand-dark);
            color: #fff;
            font-weight: 600;
            padding: .75rem 1.8rem;
            border-radius: 999px;
            transition: all .25s ease;
            border: 2px solid transparent;
            cursor: pointer;
        }
        .btn-dark:hover {
            background: var(--color-brand);
            transform: translateY(-2px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: .4rem;
            background: rgba(255, 255, 255, .15);
            border: 1px solid rgba(255, 255, 255, .2);
            color: #fff;
            font-size: .82rem;
            font-weight: 500;
            padding: .35rem 1rem;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }
        .card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: 0 2px 12px rgba(13, 21, 36, .06);
            padding: 1.6rem;
            transition: all .3s ease;
        }
        .card:hover {
            box-shadow: 0 8px 28px rgba(13, 21, 36, .12);
            transform: translateY(-3px);
        }
        .icon-box {
            width: 52px;
            height: 52px;
            border-radius: 13px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            background: linear-gradient(135deg, rgba(200, 164, 90, .16), rgba(200, 164, 90, .08));
            color: var(--color-accent-dark);
        }
        .tag {
            display: inline-block;
            font-size: .75rem;
            font-weight: 600;
            padding: .25rem .7rem;
            border-radius: 6px;
            background: rgba(200, 164, 90, .12);
            color: var(--color-accent-dark);
            letter-spacing: .02em;
        }
        .nav-link {
            position: relative;
            padding: .5rem .65rem;
            font-size: .95rem;
            font-weight: 500;
            color: #4b5563;
            border-radius: 8px;
            transition: color .2s, background .2s;
        }
        .nav-link:hover {
            color: var(--color-brand-dark);
            background: rgba(0, 0, 0, .03);
        }
        .nav-link.active {
            color: var(--color-brand-dark);
            font-weight: 600;
        }
        .nav-link.active::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: .65rem;
            right: .65rem;
            height: 2px;
            background: var(--color-accent);
            border-radius: 2px;
        }
        .hero-section {
            position: relative;
            background-color: var(--color-brand-dark);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(13, 21, 36, .94) 10%, rgba(13, 21, 36, .72) 50%, rgba(13, 21, 36, .45) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .stat-card {
            text-align: center;
            padding: 2rem 1rem;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, .05);
            border: 1px solid rgba(255, 255, 255, .08);
            transition: background .3s;
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, .1);
        }
        .step-card {
            position: relative;
            background: #fff;
            border-radius: var(--radius);
            padding: 2rem 1.6rem;
            box-shadow: 0 2px 12px rgba(13, 21, 36, .05);
            transition: all .3s ease;
        }
        .step-card:hover {
            box-shadow: 0 8px 28px rgba(13, 21, 36, .1);
            transform: translateY(-4px);
        }
        .step-number {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, var(--color-accent), var(--color-accent-dark));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .faq-item {
            background: #fff;
            border-radius: 14px;
            padding: 1.4rem 1.6rem;
            box-shadow: 0 1px 6px rgba(13, 21, 36, .04);
            transition: all .3s ease;
        }
        .faq-item:hover {
            box-shadow: 0 4px 20px rgba(13, 21, 36, .08);
        }
        .faq-item h3 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--color-brand-dark);
            display: flex;
            align-items: center;
            gap: .6rem;
        }
        .faq-item h3 i {
            color: var(--color-accent);
            font-size: .95rem;
        }
        .news-card {
            display: block;
            background: #fff;
            border-radius: var(--radius);
            padding: 1.5rem;
            box-shadow: 0 2px 10px rgba(13, 21, 36, .05);
            transition: all .3s ease;
            border: 1px solid transparent;
        }
        .news-card:hover {
            box-shadow: 0 8px 26px rgba(13, 21, 36, .1);
            transform: translateY(-3px);
            border-color: rgba(200, 164, 90, .2);
        }
        .category-card {
            display: flex;
            flex-wrap: wrap;
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(13, 21, 36, .05);
            transition: all .3s ease;
        }
        .category-card:hover {
            box-shadow: 0 10px 32px rgba(13, 21, 36, .12);
            transform: translateY(-4px);
        }
        .cta-section {
            position: relative;
            background-color: var(--color-brand-dark);
            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: .25;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(13, 21, 36, .9), rgba(13, 21, 36, .7));
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        footer a {
            transition: color .2s;
        }
        footer a:hover {
            color: #fff;
        }
        .footer-title {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: .8rem;
        }
        .mobile-menu-enter {
            animation: fadeInDown .25s ease;
        }
        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        @media (max-width: 768px) {
            .hero-section {
                background-position: 65% center;
            }
            .section-title {
                font-size: 1.45rem;
            }
            .btn-primary,
            .btn-outline,
            .btn-dark {
                padding: .65rem 1.3rem;
                font-size: .88rem;
            }
        }

/* roulang page: article */
:root {
            --brand-dark: #0f172a;
            --brand: #1e293b;
            --accent: #f59e0b;
            --accent-dark: #b45309;
            --bg-light: #f8fafc;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 1rem;
            --radius-sm: 0.75rem;
            --shadow: 0 10px 40px rgba(15, 23, 42, 0.08);
            --shadow-hover: 0 20px 50px rgba(15, 23, 42, 0.15);
            --transition: all 0.3s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background-color: var(--bg-light);
            color: var(--text-main);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

        button {
            font-family: inherit;
            cursor: pointer;
        }

        input,
        textarea {
            font-family: inherit;
        }

        .container-x {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }

        .nav-link {
            font-size: 0.94rem;
            font-weight: 500;
            color: #475569;
            padding: 0.45rem 0.9rem;
            border-radius: 999px;
            transition: var(--transition);
        }

        .nav-link:hover {
            color: var(--brand-dark);
            background: #f1f5f9;
        }

        .nav-link.active {
            color: var(--brand-dark);
            background: rgba(245, 158, 11, 0.14);
            font-weight: 600;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: var(--accent);
            color: var(--brand-dark);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 0.65rem 1.4rem;
            border-radius: 999px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.35);
        }

        .btn-primary:hover {
            background: #fbbf24;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(245, 158, 11, 0.45);
            color: var(--brand-dark);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.5);
            outline-offset: 2px;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: transparent;
            color: var(--brand-dark);
            font-weight: 600;
            font-size: 0.9rem;
            padding: 0.6rem 1.25rem;
            border-radius: 999px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .btn-outline:hover {
            border-color: var(--accent);
            background: rgba(245, 158, 11, 0.08);
            color: var(--accent-dark);
        }

        .btn-outline:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.3);
            outline-offset: 2px;
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.3rem;
            background: rgba(245, 158, 11, 0.12);
            color: #b45309;
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0.3rem 0.8rem;
            border-radius: 999px;
            border: 1px solid rgba(245, 158, 11, 0.25);
        }

        .card {
            background: #ffffff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .section-title {
            font-size: 1.75rem;
            line-height: 1.3;
            font-weight: 800;
            color: var(--brand-dark);
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            color: var(--text-muted);
            font-size: 0.95rem;
        }

        .footer-title {
            color: #ffffff;
            font-weight: 600;
            font-size: 0.95rem;
            margin-bottom: 0.75rem;
        }

        .article-content {
            font-size: 1.02rem;
            line-height: 1.9;
            color: #334155;
        }

        .article-content h2,
        .article-content h3,
        .article-content h4 {
            color: var(--brand-dark);
            margin-top: 1.8em;
            margin-bottom: 0.6em;
            font-weight: 700;
        }

        .article-content h2 {
            font-size: 1.5rem;
        }

        .article-content h3 {
            font-size: 1.2rem;
        }

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

        .article-content ul,
        .article-content ol {
            padding-left: 1.5rem;
            margin-bottom: 1.25em;
        }

        .article-content li {
            margin-bottom: 0.35rem;
        }

        .article-content a {
            color: #b45309;
            text-decoration: underline;
            text-underline-offset: 4px;
        }

        .article-content blockquote {
            border-left: 4px solid var(--accent);
            background: #fffbeb;
            padding: 0.9rem 1.2rem;
            margin: 1.2em 0;
            border-radius: 0 0.75rem 0.75rem 0;
        }

        .article-content img {
            border-radius: 0.75rem;
            margin: 1.2em 0;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.2em 0;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 0.65rem 0.85rem;
        }

        .step-card {
            position: relative;
            background: #ffffff;
            border-radius: var(--radius);
            padding: 1.6rem;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

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

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--brand-dark);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            margin-bottom: 1rem;
        }

        .faq-item {
            background: #ffffff;
            border: 1px solid var(--border);
            border-radius: 1rem;
            transition: var(--transition);
        }

        .faq-item details summary {
            list-style: none;
            padding: 1.2rem 1.4rem;
            cursor: pointer;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--brand-dark);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }

        .faq-item details summary::-webkit-details-marker {
            display: none;
        }

        .faq-item details summary::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--accent-dark);
            flex-shrink: 0;
            transition: var(--transition);
        }

        .faq-item details[open] summary::after {
            content: '–';
        }

        .faq-item details p {
            padding: 0 1.4rem 1.2rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            margin: 0;
        }

        .faq-item details[open] {
            box-shadow: var(--shadow);
        }

        footer a {
            transition: color 0.2s ease;
        }

        footer a:hover {
            color: #ffffff !important;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.4rem;
            }

            .nav-link {
                padding: 0.35rem 0.75rem;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .container-x {
                padding-left: 1rem;
                padding-right: 1rem;
            }

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

            .article-content h2 {
                font-size: 1.3rem;
            }
        }

/* roulang page: category1 */
:root {
            --brand-dark: #0f172a;
            --brand: #334155;
            --accent: #f59e0b;
            --accent-dark: #b45309;
            --accent-light: #fcd34d;
            --bg-light: #f8fafc;
            --border: #e2e8f0;
            --text-muted: #64748b;
            --radius: 1.25rem;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: #334155;
            background: #ffffff;
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
        }

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

        button {
            cursor: pointer;
        }

        .container-x {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .nav-link {
            font-size: 0.9rem;
            font-weight: 500;
            color: #475569;
            padding: 0.5rem 0.8rem;
            border-radius: 0.6rem;
            transition: all 0.2s ease;
        }

        .nav-link:hover {
            color: #0f172a;
            background: #f1f5f9;
        }

        .nav-link.active {
            color: #0f172a;
            background: #fef3c7;
            font-weight: 600;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: linear-gradient(135deg, #f59e0b, #d97706);
            color: #fff;
            font-weight: 600;
            border-radius: 0.8rem;
            padding: 0.8rem 1.4rem;
            transition: all 0.25s ease;
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(245, 158, 11, 0.4);
        }

        .btn-primary:focus-visible {
            outline: 3px solid rgba(245, 158, 11, 0.4);
            outline-offset: 2px;
        }

        .btn-white {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            background: #fff;
            color: #0f172a;
            font-weight: 600;
            padding: 0.8rem 1.5rem;
            border-radius: 0.85rem;
            transition: all 0.25s ease;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }

        .btn-white:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 24px rgba(0, 0, 0, 0.16);
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 0.5rem;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            color: #fff;
            font-weight: 600;
            padding: 0.8rem 1.5rem;
            border-radius: 0.85rem;
            transition: all 0.25s ease;
            background: transparent;
        }

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

        .footer-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 0.75rem;
        }

        .accent-text {
            color: #f59e0b;
        }

        .hero-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
        }

        .hero-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.93), rgba(30, 41, 59, 0.86));
        }

        .hero-chip {
            display: inline-flex;
            align-items: center;
            padding: 0.35rem 0.9rem;
            border-radius: 999px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(245, 158, 11, 0.2);
            color: #fcd34d;
            border: 1px solid rgba(245, 158, 11, 0.32);
            backdrop-filter: blur(6px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: #fef3c7;
            color: #b45309;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 0.32rem 0.8rem;
            border-radius: 999px;
            margin-bottom: 0.85rem;
        }

        .section-title {
            font-size: 1.75rem;
            line-height: 1.3;
            font-weight: 800;
            color: #1e293b;
        }

        @media (min-width: 768px) {
            .section-title {
                font-size: 2.25rem;
            }
        }

        .check-dot {
            flex: 0 0 auto;
            width: 1.5rem;
            height: 1.5rem;
            border-radius: 999px;
            background: #ecfdf5;
            color: #10b981;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.7rem;
            margin-top: 0.2rem;
        }

        .type-card {
            background: #fff;
            border: 1px solid #e2e8f0;
            border-radius: 1.25rem;
            padding: 1.75rem;
            transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
        }

        .type-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 16px 32px rgba(15, 23, 42, 0.08);
            border-color: #fde68a;
        }

        .type-icon {
            width: 3rem;
            height: 3rem;
            border-radius: 1rem;
            background: linear-gradient(135deg, #fbbf24, #f59e0b);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.25rem;
            box-shadow: 0 6px 16px rgba(245, 158, 11, 0.3);
            margin-bottom: 1.25rem;
        }

        .guide-bg {
            position: relative;
            background: #0f172a url('/assets/images/backpic/back-3.png') center/cover no-repeat;
        }

        .guide-bg::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.95), rgba(30, 41, 59, 0.88));
        }

        .step-card {
            position: relative;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            border-radius: 1.25rem;
            padding: 1.8rem 1.4rem;
            transition: all 0.25s ease;
        }

        .step-card:hover {
            transform: translateY(-5px);
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(245, 158, 11, 0.5);
        }

        .step-num {
            font-size: 1.6rem;
            font-weight: 800;
            color: rgba(245, 158, 11, 0.9);
            line-height: 1;
            margin-bottom: 0.85rem;
        }

        .tip-card {
            background: #fff;
            border: 1px solid #e2e8f0;
            border-radius: 1.25rem;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .tip-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 20px 40px rgba(15, 23, 42, 0.08);
        }

        .stats-bg {
            background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
            position: relative;
            overflow: hidden;
        }

        .stats-bg::after {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 50%;
        }

        .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        @media (min-width: 768px) {
            .stat-num {
                font-size: 2.6rem;
            }
        }

        .stat-label {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
            margin-top: 0.3rem;
        }

        .faq-item {
            border: 1px solid #e2e8f0;
            border-radius: 1rem;
            background: #fff;
            margin-bottom: 0.75rem;
            overflow: hidden;
            transition: box-shadow 0.2s ease, border-color 0.2s ease;
        }

        .faq-item:hover {
            box-shadow: 0 4px 16px rgba(15, 23, 42, 0.06);
            border-color: #fde68a;
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.1rem 1.3rem;
            font-weight: 600;
            font-size: 0.95rem;
            color: #1e293b;
            cursor: pointer;
            list-style: none;
            transition: background 0.2s ease;
        }

        .faq-question:hover {
            background: #fafaf9;
        }

        .faq-question::-webkit-details-marker {
            display: none;
        }

        .faq-icon {
            flex: 0 0 auto;
            transition: transform 0.3s ease;
            color: #f59e0b;
            font-size: 0.85rem;
        }

        .faq-item[open] .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            padding: 0 1.3rem 1.25rem;
            color: #64748b;
            line-height: 1.75;
            font-size: 0.9rem;
        }

        .cta-box {
            position: relative;
            border-radius: 1.5rem;
            padding: 4rem 2rem;
            overflow: hidden;
            background: linear-gradient(135deg, rgba(30, 41, 59, 0.94), rgba(15, 23, 42, 0.97)), url('/assets/images/backpic/back-1.png') center/cover;
            box-shadow: 0 24px 48px rgba(15, 23, 42, 0.25);
            text-align: center;
        }

        .reveal {
            opacity: 0;
            transform: translateY(26px);
            transition: opacity 0.65s ease, transform 0.65s ease;
        }

        .reveal.visible {
            opacity: 1;
            transform: translateY(0);
        }

        @media (max-width: 640px) {
            .container-x {
                padding: 0 16px;
            }

            .stat-num {
                font-size: 1.7rem;
            }

            .cta-box {
                padding: 2.8rem 1.2rem;
                border-radius: 1.25rem;
            }
        }