/* roulang page: index */
:root {
            --primary: #1e3a5f;
            --primary-dark: #152c47;
            --accent: #c9a961;
            --accent-light: #e0c98a;
            --bg: #f8fafc;
            --bg-dark: #0f172a;
            --text: #1e293b;
            --muted: #64748b;
            --border: #e2e8f0;
            --radius: 12px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.07);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }
        input {
            font-family: inherit;
        }
        .container-custom {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1.25rem;
            padding-right: 1.25rem;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.06);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo-text {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.3;
        }
        .logo-text .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            flex-shrink: 0;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text);
            padding: 0.4rem 0.2rem;
            position: relative;
            letter-spacing: 0.01em;
            white-space: nowrap;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: width 0.3s ease;
            border-radius: 2px;
        }
        .nav-links a:hover {
            color: var(--primary);
        }
        .nav-links a:hover::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after {
            width: 100%;
        }
        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(0, 0, 0, 0.04);
        }
        .mobile-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            margin: 3px 0;
            border-radius: 2px;
            transition: var(--transition);
        }
        .mobile-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(4px, 4px);
        }
        .mobile-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .mobile-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(4px, -4px);
        }
        /* Hero */
        .hero-section {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            padding: 7rem 0 8rem;
            overflow: hidden;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.82) 0%, rgba(30, 58, 95, 0.68) 60%, rgba(15, 23, 42, 0.5) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 0.82rem;
            font-weight: 500;
            letter-spacing: 0.04em;
            backdrop-filter: blur(6px);
        }
        .hero-badge i {
            color: var(--accent);
            font-size: 0.7rem;
            animation: pulse-dot 2s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
        }
        .hero-title {
            font-size: 3.4rem;
            font-weight: 800;
            line-height: 1.15;
            letter-spacing: -0.01em;
            margin-top: 1.5rem;
            margin-bottom: 1.2rem;
        }
        .hero-title .highlight {
            color: var(--accent);
        }
        .hero-subtitle {
            font-size: 1.15rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            max-width: 580px;
            margin-bottom: 2.2rem;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #0f172a;
            font-weight: 600;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-size: 0.95rem;
            box-shadow: 0 4px 20px rgba(201, 169, 97, 0.35);
            transition: var(--transition);
        }
        .btn-hero-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(201, 169, 97, 0.45);
        }
        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: #fff;
            font-weight: 500;
            padding: 0.9rem 2rem;
            border-radius: 50px;
            font-size: 0.95rem;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            transition: var(--transition);
        }
        .btn-hero-secondary:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }
        .hero-stats-row {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            margin-top: 3.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat-value {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
        }
        .hero-stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 2px;
        }
        /* Section common */
        .section-padding {
            padding: 5.5rem 0;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            background: rgba(201, 169, 97, 0.1);
            padding: 4px 14px;
            border-radius: 999px;
            margin-bottom: 0.8rem;
        }
        .section-title {
            font-size: 2.3rem;
            font-weight: 800;
            line-height: 1.2;
            color: var(--primary);
            letter-spacing: -0.01em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--muted);
            margin-top: 0.8rem;
            line-height: 1.6;
        }
        /* Feature cards */
        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 2rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(30, 58, 95, 0.08), rgba(201, 169, 97, 0.08));
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 1.4rem;
            margin-bottom: 1.2rem;
        }
        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        .feature-card p {
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.6;
        }
        /* Category cards */
        .category-card {
            background: #fff;
            border-radius: 16px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .category-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .category-card-img {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .category-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .category-card:hover .category-card-img img {
            transform: scale(1.05);
        }
        .category-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.5), transparent 60%);
        }
        .category-card-body {
            padding: 1.5rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .category-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 0.5rem;
        }
        .category-card-body p {
            font-size: 0.88rem;
            color: var(--muted);
            line-height: 1.6;
            flex: 1;
        }
        .category-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 1rem;
            transition: var(--transition);
        }
        .category-card-link:hover {
            color: var(--accent);
            gap: 12px;
        }
        /* News cards */
        .news-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 1.5rem;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(201, 169, 97, 0.4);
        }
        .news-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 0.8rem;
        }
        .news-category {
            background: rgba(30, 58, 95, 0.08);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 999px;
        }
        .news-time {
            font-size: 0.78rem;
            color: var(--muted);
        }
        .news-title {
            font-size: 1rem;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 0.5rem;
        }
        .news-title a:hover {
            color: var(--accent);
        }
        .news-desc {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.6;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary);
            margin-top: 1rem;
            transition: var(--transition);
        }
        .news-link:hover {
            color: var(--accent);
            gap: 10px;
        }
        .empty-state {
            background: #fff;
            border-radius: var(--radius);
            padding: 3rem 2rem;
            text-align: center;
            color: var(--muted);
            border: 1px dashed var(--border);
        }
        /* Steps */
        .step-item {
            position: relative;
            text-align: center;
            padding: 2rem 1.2rem;
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            height: 100%;
        }
        .step-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-md);
        }
        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #2d4f7a);
            color: #fff;
            font-weight: 700;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1.2rem;
            box-shadow: 0 4px 14px rgba(30, 58, 95, 0.3);
        }
        .step-item h3 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 0.5rem;
        }
        .step-item p {
            font-size: 0.85rem;
            color: var(--muted);
            line-height: 1.6;
        }
        /* Stats */
        .stats-band {
            background: var(--bg-dark);
            border-radius: 20px;
            padding: 3.5rem 2.5rem;
            position: relative;
            overflow: hidden;
        }
        .stats-band::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(201, 169, 97, 0.15), transparent 70%);
            border-radius: 50%;
        }
        .stats-band::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 160px;
            height: 160px;
            background: radial-gradient(circle, rgba(30, 58, 95, 0.4), transparent 70%);
            border-radius: 50%;
        }
        .stat-item {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 1.5rem 1rem;
        }
        .stat-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }
        .stat-value .suffix {
            color: var(--accent);
            font-size: 2rem;
        }
        .stat-label {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.65);
            margin-top: 0.5rem;
        }
        /* FAQ */
        .faq-item {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item.open {
            border-color: rgba(201, 169, 97, 0.4);
            box-shadow: var(--shadow-md);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 1.2rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            transition: var(--transition);
        }
        .faq-question:hover {
            color: var(--primary);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(201, 169, 97, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 0.7rem;
            flex-shrink: 0;
            transition: transform 0.3s ease;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 1.5rem 1.3rem;
            font-size: 0.9rem;
            color: var(--muted);
            line-height: 1.7;
            border-top: 1px solid var(--border);
            padding-top: 1rem;
        }
        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #152c47 50%, #0f172a 100%);
            border-radius: 24px;
            padding: 4rem 3rem;
            position: relative;
            overflow: hidden;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
        }
        .cta-section>* {
            position: relative;
            z-index: 1;
        }
        .cta-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 1rem;
        }
        .cta-desc {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 2rem;
            line-height: 1.7;
        }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: #0f172a;
            font-weight: 700;
            padding: 1rem 2.5rem;
            border-radius: 50px;
            font-size: 1rem;
            box-shadow: 0 6px 24px rgba(201, 169, 97, 0.35);
            transition: var(--transition);
        }
        .btn-cta:hover {
            background: var(--accent-light);
            transform: translateY(-3px);
            box-shadow: 0 10px 32px rgba(201, 169, 97, 0.5);
        }
        /* Footer */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 4rem 0 0;
        }
        .footer-brand {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 1rem;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.5);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        .footer-links a {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            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: 1.5rem 0;
            margin-top: 3rem;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 0.8rem;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.6rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
            .nav-links {
                gap: 1.2rem;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                border-bottom: 1px solid var(--border);
                padding: 1rem 1.5rem;
                flex-direction: column;
                align-items: flex-start;
                gap: 0.8rem;
                box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: flex;
            }
            .hero-section {
                padding: 4.5rem 0 5.5rem;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-stats-row {
                gap: 1.5rem;
            }
            .hero-stat-value {
                font-size: 1.4rem;
            }
            .section-padding {
                padding: 3.5rem 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .stats-band {
                padding: 2.5rem 1.5rem;
            }
            .stat-value {
                font-size: 2rem;
            }
            .cta-section {
                padding: 3rem 1.5rem;
            }
            .cta-title {
                font-size: 1.7rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                width: 100%;
                justify-content: center;
            }
            .section-subtitle {
                font-size: 0.9rem;
            }
            .hero-stats-row {
                justify-content: space-between;
                gap: 1rem;
            }
            .hero-stat {
                flex: 1;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #dc2626;
            --primary-dark: #991b1b;
            --primary-light: #f87171;
            --accent: #f59e0b;
            --dark: #0a0f1e;
            --dark-2: #111a2c;
            --card-bg: #151f33;
            --text: #e5e7eb;
            --text-weak: #94a3b8;
            --border: rgba(255, 255, 255, 0.07);
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow: 0 20px 40px rgba(0, 0, 0, 0.35);
            --shadow-sm: 0 8px 20px rgba(0, 0, 0, 0.2);
            --transition: all 0.3s ease;
            --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            background-color: var(--dark);
            color: var(--text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            background: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }

        /* ===== 容器 ===== */
        .container-custom {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(10, 15, 30, 0.88);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 74px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: 0.5px;
            color: #fff;
            white-space: nowrap;
        }
        .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 0 3px rgba(220, 38, 38, 0.2), 0 0 12px rgba(220, 38, 38, 0.6);
        }
        .logo span {
            background: linear-gradient(135deg, #fff 60%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }
        .nav-links a {
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-weak);
            padding: 6px 4px;
            border-bottom: 2px solid transparent;
            transition: var(--transition);
            letter-spacing: 0.2px;
        }
        .nav-links a:hover {
            color: #fff;
        }
        .nav-links a.active {
            color: #fff;
            border-bottom-color: var(--primary);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff !important;
            border-radius: 50px;
            padding: 8px 20px !important;
            font-weight: 600;
            font-size: 0.9rem;
            border-bottom: none !important;
            box-shadow: 0 4px 14px rgba(220, 38, 38, 0.3);
        }
        .header-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }
        .nav-toggle {
            display: none;
            font-size: 1.4rem;
            color: #fff;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
        }

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 100px 0 80px;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 15, 30, 0.94) 20%, rgba(10, 15, 30, 0.72) 60%, rgba(220, 38, 38, 0.25) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
            padding: 40px 0;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(220, 38, 38, 0.15);
            border: 1px solid rgba(220, 38, 38, 0.35);
            border-radius: 50px;
            padding: 6px 18px;
            font-size: 0.85rem;
            color: var(--primary-light);
            font-weight: 600;
            margin-bottom: 24px;
            backdrop-filter: blur(6px);
        }
        .hero-badge i {
            font-size: 0.75rem;
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(0.8); }
        }
        .hero-title {
            font-size: clamp(2rem, 5vw, 3.5rem);
            font-weight: 900;
            line-height: 1.15;
            color: #fff;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .hero-title .highlight {
            color: var(--primary-light);
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-weak);
            line-height: 1.8;
            max-width: 600px;
            margin-bottom: 36px;
        }
        .hero-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary,
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-primary {
            background: var(--primary);
            color: #fff !important;
            box-shadow: 0 8px 24px rgba(220, 38, 38, 0.3);
        }
        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(220, 38, 38, 0.4);
        }
        .btn-outline {
            border-color: rgba(255, 255, 255, 0.25);
            color: #fff !important;
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(6px);
        }
        .btn-outline:hover {
            border-color: var(--primary-light);
            color: var(--primary-light) !important;
            background: rgba(220, 38, 38, 0.1);
            transform: translateY(-2px);
        }

        /* ===== 数据统计条 ===== */
        .stats-section {
            padding: 0;
            margin-top: -40px;
            position: relative;
            z-index: 5;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .stat-card {
            background: var(--dark-2);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-sm);
        }
        .stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 4px;
        }
        .stat-number em {
            font-style: normal;
            color: var(--primary-light);
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--text-weak);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 80px 0;
        }
        .section-block.alt {
            background: var(--dark-2);
        }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.82rem;
            font-weight: 600;
            color: var(--primary-light);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-desc {
            color: var(--text-weak);
            font-size: 1rem;
            line-height: 1.8;
        }

        /* ===== 入口方式卡片 ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .entry-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }
        .entry-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(220, 38, 38, 0.25);
        }
        .entry-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .entry-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .entry-card:hover .entry-card-img img {
            transform: scale(1.05);
        }
        .entry-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, var(--card-bg) 0%, rgba(21, 31, 51, 0.2) 50%, transparent 100%);
        }
        .entry-card-body {
            padding: 24px;
            position: relative;
        }
        .entry-card-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: rgba(220, 38, 38, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary-light);
            font-size: 1.2rem;
            margin-bottom: 14px;
            border: 1px solid rgba(220, 38, 38, 0.2);
        }
        .entry-card h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .entry-card p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .entry-card-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .entry-card-link i {
            transition: transform 0.3s;
        }
        .entry-card-link:hover i {
            transform: translateX(4px);
        }
        .entry-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(0, 0, 0, 0.7);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 50px;
            padding: 4px 12px;
            font-size: 0.75rem;
            color: #fff;
            font-weight: 500;
        }

        /* ===== 时间线 ===== */
        .timeline-wrap {
            max-width: 720px;
            margin: 0 auto;
            position: relative;
            padding: 0 20px;
        }
        .timeline-wrap::before {
            content: '';
            position: absolute;
            left: 20px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), rgba(220, 38, 38, 0.1));
        }
        .timeline-item {
            position: relative;
            padding: 0 0 32px 56px;
        }
        .timeline-item:last-child {
            padding-bottom: 0;
        }
        .timeline-dot {
            position: absolute;
            left: 13px;
            top: 8px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--dark);
            border: 3px solid var(--primary);
            box-shadow: 0 0 0 4px rgba(220, 38, 38, 0.15);
        }
        .timeline-item .time {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(245, 158, 11, 0.1);
            border: 1px solid rgba(245, 158, 11, 0.2);
            padding: 2px 10px;
            border-radius: 50px;
            margin-bottom: 6px;
        }
        .timeline-item h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }
        .timeline-item p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.6;
        }
        .timeline-status {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 600;
            color: #34d399;
            background: rgba(52, 211, 153, 0.1);
            border: 1px solid rgba(52, 211, 153, 0.2);
            padding: 2px 8px;
            border-radius: 50px;
            margin-left: 8px;
        }

        /* ===== 验证流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 20px;
        }
        .step-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 28px 22px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-sm);
            border-color: rgba(220, 38, 38, 0.3);
        }
        .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), #7f1d1d);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 800;
            color: #fff;
            box-shadow: 0 6px 16px rgba(220, 38, 38, 0.3);
        }
        .step-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.65;
        }

        /* ===== 更新动态卡片 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
        }
        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .news-card-img {
            height: 160px;
            overflow: hidden;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s;
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.04);
        }
        .news-card-body {
            padding: 20px;
        }
        .news-date {
            font-size: 0.78rem;
            color: var(--text-weak);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-date i {
            color: var(--primary-light);
        }
        .news-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-card p {
            font-size: 0.85rem;
            color: var(--text-weak);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(220, 38, 38, 0.25);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 22px;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            text-align: left;
            background: transparent;
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--primary-light);
            font-size: 0.85rem;
            transition: transform 0.3s;
            flex-shrink: 0;
            margin-left: 16px;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.75;
            border-top: 1px solid var(--border);
            padding-top: 16px;
            margin: 0 22px 0;
            padding-left: 0;
            padding-right: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 80px 0;
            text-align: center;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 15, 30, 0.92) 30%, rgba(220, 38, 38, 0.35) 100%);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.6rem, 3vw, 2.2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
        }
        .cta-content p {
            color: var(--text-weak);
            font-size: 1rem;
            margin-bottom: 30px;
            line-height: 1.8;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #070b16;
            padding: 70px 0 0;
            border-top: 1px solid var(--border);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: 0.88rem;
            color: var(--text-weak);
            line-height: 1.75;
            margin-bottom: 20px;
        }
        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: 0.88rem;
            color: var(--text-weak);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding: 20px 0;
            margin-top: 50px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
            font-size: 0.82rem;
            color: var(--text-weak);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .entry-grid,
            .news-grid {
                grid-template-columns: repeat(3, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: absolute;
                top: 74px;
                left: 0;
                right: 0;
                background: var(--dark-2);
                flex-direction: column;
                padding: 20px 24px;
                gap: 16px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                display: none;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                font-size: 1rem;
                padding: 8px 0;
                width: 100%;
                border-bottom: 1px solid var(--border);
            }
            .nav-links a.active {
                color: var(--primary-light);
            }
            .header-cta {
                display: none;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .entry-grid {
                grid-template-columns: 1fr 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-section {
                padding: 70px 0 90px;
            }
            .section-block {
                padding: 60px 0;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .container-custom {
                padding: 0 16px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .hero-section {
                padding: 50px 0 90px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-buttons {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .entry-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #0B1220;
            --primary-light: #1B2C4B;
            --accent: #E21B3C;
            --accent-hover: #C01530;
            --secondary: #F5A524;
            --bg: #F6F7F9;
            --bg-alt: #EDEFF2;
            --card: #FFFFFF;
            --text: #171923;
            --muted: #64748B;
            --border: #E5E7EB;
            --radius: 14px;
            --radius-sm: 8px;
            --shadow: 0 4px 24px rgba(11,18,32,.08);
            --shadow-hover: 0 12px 40px rgba(11,18,32,.15);
            --transition: all .3s ease;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { cursor: pointer; border: none; background: none; font-family: inherit; }
        input { font-family: inherit; }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        /* header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: .02em;
            white-space: nowrap;
        }
        .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 12px rgba(226,27,60,.5);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 2rem;
        }
        .nav-links a {
            font-size: .95rem;
            font-weight: 500;
            color: #334155;
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
        }
        .nav-links a::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: width .3s ease;
        }
        .nav-links a:hover { color: var(--accent); }
        .nav-links a:hover::after,
        .nav-links a.active::after { width: 100%; }
        .nav-links a.active { color: var(--accent); font-weight: 600; }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
        }
        .nav-toggle span {
            width: 22px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

        /* buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 50px;
            font-weight: 600;
            font-size: .95rem;
            transition: var(--transition);
            border: 2px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(226,27,60,.35);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(226,27,60,.45);
        }
        .btn-outline {
            border-color: rgba(255,255,255,.6);
            color: #fff;
            background: rgba(255,255,255,.08);
            backdrop-filter: blur(4px);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,.18);
            border-color: #fff;
            transform: translateY(-2px);
        }
        .btn:focus-visible {
            outline: 3px solid rgba(226,27,60,.35);
            outline-offset: 2px;
        }

        /* hero */
        .page-hero {
            position: relative;
            background: linear-gradient(135deg, rgba(11,18,32,.93), rgba(27,44,75,.83)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            padding: 90px 0 84px;
            color: #fff;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,.12);
            border: 1px solid rgba(255,255,255,.25);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: .85rem;
            font-weight: 500;
            letter-spacing: .04em;
            backdrop-filter: blur(4px);
            margin-bottom: 1.5rem;
        }
        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            background: #4ADE80;
            border-radius: 50%;
            display: inline-block;
            animation: pulse 1.6s infinite;
        }
        @keyframes pulse {
            0%, 100% { box-shadow: 0 0 0 0 rgba(74,222,128,.6); }
            50% { box-shadow: 0 0 0 6px rgba(74,222,128,0); }
        }
        .page-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 1.2rem;
            letter-spacing: .01em;
        }
        .page-hero h1 .accent-text { color: var(--secondary); }
        .page-hero .hero-sub {
            font-size: 1.08rem;
            color: rgba(255,255,255,.82);
            max-width: 660px;
            margin-bottom: 2rem;
            line-height: 1.8;
        }
        .hero-ctas {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
            margin-top: 3.5rem;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,.15);
        }
        .hero-stat h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 4px;
        }
        .hero-stat h3 span { color: var(--secondary); }
        .hero-stat p { font-size: .88rem; color: rgba(255,255,255,.65); }

        /* section */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-alt); }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }
        .section-header .section-tag {
            display: inline-block;
            font-size: .82rem;
            font-weight: 600;
            letter-spacing: .12em;
            text-transform: uppercase;
            color: var(--accent);
            margin-bottom: 12px;
            background: rgba(226,27,60,.08);
            padding: 4px 14px;
            border-radius: 50px;
        }
        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }
        .section-header p {
            color: var(--muted);
            font-size: 1rem;
            line-height: 1.7;
        }

        /* status strip */
        .status-strip {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 20px 28px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            margin-top: -42px;
            position: relative;
            z-index: 5;
        }
        .status-item {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .status-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .status-dot.green {
            background: #4ADE80;
            box-shadow: 0 0 0 4px rgba(74,222,128,.18);
        }
        .status-dot.amber {
            background: var(--secondary);
            box-shadow: 0 0 0 4px rgba(245,165,36,.18);
        }
        .status-label { font-size: .82rem; color: var(--muted); }
        .status-value { font-size: .95rem; font-weight: 600; color: var(--text); }
        .copy-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(226,27,60,.08);
            color: var(--accent);
            font-size: .85rem;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 50px;
            transition: var(--transition);
            border: 1px solid rgba(226,27,60,.15);
        }
        .copy-btn:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(226,27,60,.3);
        }

        /* timeline */
        .timeline-wrap {
            position: relative;
            max-width: 760px;
            margin: 0 auto;
            padding-left: 32px;
        }
        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 10px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(to bottom, var(--accent), var(--secondary));
            border-radius: 2px;
            opacity: .4;
        }
        .timeline-item {
            position: relative;
            padding: 0 0 36px 28px;
        }
        .timeline-item:last-child { padding-bottom: 0; }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -27px;
            top: 6px;
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: var(--card);
            border: 3px solid var(--accent);
            box-shadow: 0 0 0 4px rgba(226,27,60,.15);
            z-index: 1;
        }
        .timeline-date {
            display: inline-block;
            font-size: .82rem;
            font-weight: 600;
            color: var(--accent);
            background: rgba(226,27,60,.08);
            padding: 3px 12px;
            border-radius: 50px;
            margin-bottom: 8px;
        }
        .timeline-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }
        .timeline-desc {
            font-size: .92rem;
            color: var(--muted);
            line-height: 1.7;
        }
        .timeline-badge {
            display: inline-block;
            font-size: .72rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 50px;
            margin-left: 8px;
            vertical-align: middle;
        }
        .timeline-badge.completed { background: #DCFCE7; color: #16A34A; }
        .timeline-badge.processing { background: #FEF3C7; color: #D97706; }

        /* process */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }
        .process-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 24px;
            transition: var(--transition);
            text-align: left;
        }
        .process-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(226,27,60,.25);
        }
        .process-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            font-size: 1.3rem;
        }
        .process-icon.red { background: rgba(226,27,60,.1); }
        .process-icon.amber { background: rgba(245,165,36,.12); }
        .process-icon.green { background: rgba(74,222,128,.12); }
        .process-icon.blue { background: rgba(59,130,246,.1); }
        .process-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .process-card p {
            font-size: .9rem;
            color: var(--muted);
            line-height: 1.7;
        }

        /* channel cards */
        .channel-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .channel-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .channel-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .channel-card .channel-img {
            height: 160px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .channel-card .channel-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11,18,32,.55), transparent 60%);
        }
        .channel-card .channel-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255,255,255,.9);
            color: var(--primary);
            font-size: .76rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 50px;
            backdrop-filter: blur(4px);
        }
        .channel-card .channel-body {
            padding: 20px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .channel-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .channel-card p {
            font-size: .9rem;
            color: var(--muted);
            line-height: 1.65;
            flex: 1;
        }
        .channel-card .channel-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 16px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }
        .channel-status {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: .82rem;
            font-weight: 600;
            color: #16A34A;
        }
        .channel-status .mini-dot {
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: #4ADE80;
        }
        .channel-card .channel-link {
            font-size: .85rem;
            font-weight: 600;
            color: var(--accent);
        }
        .channel-card .channel-link:hover { color: var(--accent-hover); }

        /* news */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        .news-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-card .news-cover {
            height: 180px;
            background-size: cover;
            background-position: center;
        }
        .news-card .news-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .news-card .news-date {
            font-size: .8rem;
            color: var(--muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .news-card h3 {
            font-size: 1.02rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .news-card p {
            font-size: .88rem;
            color: var(--muted);
            line-height: 1.65;
            flex: 1;
        }
        .news-card .news-more {
            margin-top: 14px;
            font-size: .85rem;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .news-card .news-more:hover { gap: 8px; }

        /* faq */
        .faq-wrap {
            max-width: 760px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(226,27,60,.25); }
        .faq-item summary {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            font-size: .98rem;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: .8rem;
            color: var(--muted);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-item .faq-body {
            padding: 14px 24px 22px;
            font-size: .93rem;
            color: var(--muted);
            line-height: 1.8;
            border-top: 1px solid var(--border);
        }

        /* cta */
        .cta-section {
            position: relative;
            background: linear-gradient(135deg, var(--primary), #16294A);
            border-radius: calc(var(--radius) + 8px);
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            overflow: hidden;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(226,27,60,.35), transparent 70%);
            top: -100px;
            right: -60px;
        }
        .cta-section::after {
            content: "";
            position: absolute;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245,165,36,.2), transparent 70%);
            bottom: -80px;
            left: -40px;
        }
        .cta-section h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-section p {
            color: rgba(255,255,255,.75);
            max-width: 540px;
            margin: 0 auto 28px;
            font-size: 1rem;
            line-height: 1.7;
            position: relative;
            z-index: 1;
        }
        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 460px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .cta-form input {
            flex: 1;
            padding: 13px 20px;
            border-radius: 50px;
            border: 1px solid rgba(255,255,255,.25);
            background: rgba(255,255,255,.12);
            color: #fff;
            font-size: .92rem;
            outline: none;
            transition: var(--transition);
        }
        .cta-form input::placeholder { color: rgba(255,255,255,.55); }
        .cta-form input:focus {
            border-color: var(--secondary);
            background: rgba(255,255,255,.18);
        }
        .cta-form .btn-primary { white-space: nowrap; }

        /* footer */
        .site-footer {
            background: var(--primary);
            color: rgba(255,255,255,.7);
            padding: 64px 0 0;
            margin-top: 80px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-desc {
            font-size: .9rem;
            line-height: 1.7;
            color: rgba(255,255,255,.55);
            max-width: 320px;
        }
        .footer-links {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            font-size: .9rem;
            color: rgba(255,255,255,.6);
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--secondary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.12);
            margin-top: 48px;
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
            font-size: .84rem;
            color: rgba(255,255,255,.4);
        }

        /* responsive */
        @media (max-width: 1024px) {
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 16px 24px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 12px 32px rgba(11,18,32,.1);
                display: none;
                z-index: 99;
            }
            .nav-links.open { display: flex; }
            .nav-links a {
                padding: 12px 4px;
                border-bottom: 1px solid var(--border);
                font-size: 1rem;
            }
            .nav-links a:last-child { border-bottom: none; }
            .nav-links a::after { display: none; }
            .nav-links a.active { color: var(--accent); }
            .nav-toggle { display: flex; }
            .process-grid { grid-template-columns: repeat(2, 1fr); }
            .channel-grid { grid-template-columns: repeat(2, 1fr); }
            .news-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .section { padding: 56px 0; }
            .page-hero h1 { font-size: 2rem; }
            .page-hero { padding: 64px 0 72px; }
            .hero-stats { grid-template-columns: repeat(3, 1fr); gap: .8rem; }
            .hero-stat h3 { font-size: 1.4rem; }
            .status-strip { flex-direction: column; align-items: flex-start; }
            .cta-section { padding: 40px 24px; }
            .cta-form { flex-direction: column; }
            .cta-form .btn-primary { width: 100%; }
            .footer-bottom { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .process-grid,
            .channel-grid,
            .news-grid { grid-template-columns: 1fr; }
            .hero-ctas { flex-direction: column; width: 100%; }
            .hero-ctas .btn { width: 100%; }
            .section-header h2 { font-size: 1.6rem; }
            .container-custom { padding-left: 1.1rem; padding-right: 1.1rem; }
            .page-hero h1 { font-size: 1.65rem; }
            .timeline-wrap { padding-left: 24px; }
            .timeline-item { padding-left: 20px; }
            .timeline-item::before { left: -23px; }
            .status-strip { padding: 16px 20px; }
        }

/* roulang page: article */
:root {
    --primary: #14181f;
    --primary-light: #232a36;
    --accent: #e6352d;
    --accent-dark: #b91c1c;
    --accent-soft: #fde8e7;
    --bg: #f7f6f3;
    --surface: #ffffff;
    --text: #14181f;
    --muted: #6f7683;
    --border: #e8e6e1;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow-sm: 0 2px 10px rgba(20,24,31,0.05);
    --shadow-md: 0 8px 30px rgba(20,24,31,0.07);
    --shadow-lg: 0 20px 50px rgba(20,24,31,0.12);
    --container: 1200px;
}
* {
    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;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color 0.25s ease;
}
button {
    border: none;
    background: none;
    cursor: pointer;
    font-family: inherit;
}
.container-custom {
    max-width: var(--container);
    margin: 0 auto;
    padding: 0 24px;
}
/* ===== Header ===== */
.site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 1000;
    background: rgba(255,255,255,0.88);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid rgba(232,230,225,0.9);
    transition: box-shadow 0.35s ease, border-color 0.35s ease;
}
.site-header.scrolled {
    box-shadow: var(--shadow-md);
    border-bottom-color: var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
}
.site-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.15rem;
    font-weight: 800;
    letter-spacing: 0.01em;
    color: var(--primary);
    white-space: nowrap;
}
.logo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(230,53,45,0.15);
    flex-shrink: 0;
}
.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}
.nav-links a {
    position: relative;
    font-size: 0.95rem;
    font-weight: 500;
    color: var(--text);
    padding: 6px 2px;
    white-space: nowrap;
    transition: color 0.25s ease;
}
.nav-links a::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.3s ease;
}
.nav-links a:hover,
.nav-links a.active {
    color: var(--accent);
}
.nav-links a:hover::after,
.nav-links a.active::after {
    width: 100%;
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 16px;
}
.live-pill {
    display: inline-flex;
    align-items: center;
    gap: 7px;
    font-size: 0.82rem;
    font-weight: 600;
    color: var(--accent);
    background: var(--accent-soft);
    padding: 6px 14px;
    border-radius: 999px;
}
.live-dot {
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--accent);
    animation: pulse-dot 1.6s ease-in-out infinite;
}
@keyframes pulse-dot {
    0%, 100% { opacity: 1; transform: scale(1); }
    50% { opacity: 0.4; transform: scale(0.75); }
}
.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    border-radius: 10px;
    background: var(--surface);
    border: 1px solid var(--border);
    align-items: center;
    justify-content: center;
    font-size: 1.05rem;
    color: var(--text);
    transition: all 0.25s ease;
}
.nav-toggle:hover {
    border-color: var(--accent);
    color: var(--accent);
}
/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 11px 26px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 600;
    border: 1px solid transparent;
    transition: all 0.3s ease;
    line-height: 1.4;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--accent);
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(230,53,45,0.28);
}
.btn-accent {
    background: var(--accent);
    color: #fff;
}
.btn-accent:hover {
    background: var(--accent-dark);
    transform: translateY(-2px);
    box-shadow: 0 10px 26px rgba(230,53,45,0.3);
}
.btn-outline-light {
    border-color: rgba(255,255,255,0.5);
    color: #fff;
}
.btn-outline-light:hover {
    border-color: #fff;
    background: rgba(255,255,255,0.12);
    transform: translateY(-2px);
}
.btn-lg {
    padding: 14px 34px;
    font-size: 1.02rem;
}
.btn:focus-visible {
    outline: 3px solid rgba(230,53,45,0.4);
    outline-offset: 2px;
}
/* ===== Article Hero ===== */
.article-hero {
    position: relative;
    padding: 150px 0 96px;
    background-size: cover;
    background-position: center center;
    background-color: var(--primary);
}
.article-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(20,24,31,0.9) 0%, rgba(20,24,31,0.72) 100%);
}
.article-hero-content {
    position: relative;
    z-index: 2;
    max-width: 880px;
}
.breadcrumb {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
    font-size: 0.85rem;
    color: rgba(255,255,255,0.6);
    margin-bottom: 22px;
}
.breadcrumb a {
    color: rgba(255,255,255,0.85);
    transition: color 0.25s ease;
}
.breadcrumb a:hover {
    color: #fff;
}
.breadcrumb i {
    font-size: 0.62rem;
    color: rgba(255,255,255,0.35);
}
.badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 999px;
    font-size: 0.8rem;
    font-weight: 600;
}
.badge-accent {
    background: var(--accent);
    color: #fff;
}
.article-hero h1 {
    font-size: clamp(1.9rem, 4.2vw, 2.9rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.32;
    letter-spacing: -0.015em;
    margin-top: 18px;
    text-wrap: pretty;
}
.article-meta {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 22px;
    margin-top: 22px;
    color: rgba(255,255,255,0.7);
    font-size: 0.9rem;
}
.article-meta span {
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.article-meta i {
    font-size: 0.88rem;
    color: rgba(255,255,255,0.45);
}
/* ===== Article Main ===== */
.article-section {
    padding: 60px 0 20px;
}
.article-card-surface {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 46px 50px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
}
.article-body {
    font-size: 1.02rem;
    line-height: 1.9;
    color: #2a2f38;
}
.article-body > p {
    margin-bottom: 1.4em;
}
.article-body h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-top: 2em;
    margin-bottom: 0.9em;
    line-height: 1.4;
    color: var(--primary);
}
.article-body h3 {
    font-size: 1.18rem;
    font-weight: 600;
    margin-top: 1.7em;
    margin-bottom: 0.7em;
    color: var(--primary);
}
.article-body img {
    border-radius: var(--radius-sm);
    margin: 2em 0;
    box-shadow: var(--shadow-md);
}
.article-body ul,
.article-body ol {
    margin: 1.2em 0;
    padding-left: 1.5em;
}
.article-body ul {
    list-style: disc;
}
.article-body ol {
    list-style: decimal;
}
.article-body li {
    margin-bottom: 0.55em;
}
.article-body blockquote {
    border-left: 4px solid var(--accent);
    background: var(--accent-soft);
    padding: 18px 22px;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    margin: 1.6em 0;
    color: var(--text);
    font-size: 0.98rem;
}
.article-body code {
    background: #f3f2ef;
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 0.9em;
}
.article-body a {
    color: var(--accent);
    border-bottom: 1px solid rgba(230,53,45,0.3);
}
.article-body a:hover {
    border-bottom-color: var(--accent);
}
.article-footer-tags {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: 10px;
}
.tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 6px 16px;
    border-radius: 999px;
    background: var(--bg);
    border: 1px solid var(--border);
    font-size: 0.82rem;
    font-weight: 500;
    color: var(--muted);
    transition: all 0.25s ease;
}
.tag:hover {
    border-color: var(--accent);
    color: var(--accent);
    background: var(--accent-soft);
}
/* ===== Not Found ===== */
.not-found-card {
    background: var(--surface);
    border-radius: var(--radius);
    padding: 64px 48px;
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    text-align: center;
}
.not-found-icon {
    width: 72px;
    height: 72px;
    margin: 0 auto 20px;
    border-radius: 50%;
    background: var(--accent-soft);
    color: var(--accent);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.7rem;
}
/* ===== Sidebar ===== */
.sidebar {
    display: flex;
    flex-direction: column;
    gap: 24px;
}
.sidebar-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
}
.sidebar-card-head {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 18px 24px;
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--primary);
    border-bottom: 1px solid var(--border);
    background: #fcfbf9;
}
.sidebar-card-head i {
    color: var(--accent);
}
.sidebar-card-body {
    padding: 20px 24px;
}
.info-row {
    display: flex;
    justify-content: space-between;
    padding: 9px 0;
    font-size: 0.88rem;
    border-bottom: 1px dashed var(--border);
}
.info-row:last-child {
    border-bottom: none;
}
.info-label {
    color: var(--muted);
}
.info-value {
    font-weight: 600;
    color: var(--text);
    text-align: right;
}
.sidebar-post {
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    transition: padding-left 0.25s ease;
}
.sidebar-post:last-child {
    border-bottom: none;
    padding-bottom: 4px;
}
.sidebar-post a {
    display: block;
}
.sidebar-post-date {
    font-size: 0.78rem;
    color: var(--muted);
    display: block;
    margin-bottom: 4px;
}
.sidebar-post-title {
    font-size: 0.92rem;
    font-weight: 600;
    color: var(--text);
    line-height: 1.5;
    transition: color 0.25s ease;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.sidebar-post a:hover .sidebar-post-title {
    color: var(--accent);
}
.sidebar-card-dark {
    background: var(--primary);
    color: #fff;
    border: none;
}
.sidebar-card-dark .sidebar-card-head {
    background: rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    color: #fff;
}
.sidebar-card-dark .sidebar-card-body p {
    color: rgba(255,255,255,0.72);
    font-size: 0.88rem;
    line-height: 1.7;
}
/* ===== Guide Cards ===== */
.guide-section {
    padding: 70px 0 20px;
}
.section-head {
    margin-bottom: 44px;
}
.section-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 6px 16px;
    border-radius: 999px;
    background: var(--accent-soft);
    color: var(--accent);
    font-size: 0.82rem;
    font-weight: 700;
    letter-spacing: 0.02em;
}
.guide-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    height: 100%;
    display: block;
}
.guide-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.guide-card-img {
    position: relative;
    height: 170px;
    overflow: hidden;
}
.guide-card-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.55s ease;
}
.guide-card:hover .guide-card-img img {
    transform: scale(1.06);
}
.guide-card-img::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(20,24,31,0.05) 0%, rgba(20,24,31,0.3) 100%);
}
.guide-card-body {
    padding: 26px 26px 30px;
}
.guide-card-title {
    font-size: 1.08rem;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    line-height: 1.4;
}
.guide-card-desc {
    font-size: 0.88rem;
    color: var(--muted);
    line-height: 1.7;
    margin-bottom: 18px;
}
.guide-card-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.88rem;
    font-weight: 600;
    color: var(--accent);
    transition: gap 0.25s ease;
}
.guide-card:hover .guide-card-link {
    gap: 14px;
}
/* ===== FAQ ===== */
.faq-section {
    padding: 80px 0 60px;
}
.faq-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 0;
    box-shadow: var(--shadow-sm);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}
.faq-item.open {
    border-color: rgba(230,53,45,0.35);
    box-shadow: var(--shadow-md);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    padding: 22px 28px;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text);
    cursor: pointer;
    width: 100%;
    text-align: left;
    transition: color 0.25s ease;
}
.faq-question:hover {
    color: var(--accent);
}
.faq-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: var(--bg);
    border: 1px solid var(--border);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8rem;
    color: var(--accent);
    flex-shrink: 0;
    transition: all 0.3s ease;
}
.faq-item.open .faq-icon {
    background: var(--accent);
    color: #fff;
    transform: rotate(45deg);
    border-color: var(--accent);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
}
.faq-item.open .faq-answer {
    max-height: 320px;
}
.faq-answer-inner {
    padding: 0 28px 26px;
    color: var(--muted);
    font-size: 0.93rem;
    line-height: 1.85;
}
/* ===== CTA ===== */
.cta-band {
    position: relative;
    padding: 90px 0;
    background-size: cover;
    background-position: center;
}
.cta-band::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(20,24,31,0.92) 0%, rgba(20,24,31,0.78) 100%);
}
.cta-band-content {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 720px;
    margin: 0 auto;
}
.cta-band h2 {
    font-size: clamp(1.6rem, 3.5vw, 2.3rem);
    font-weight: 800;
    color: #fff;
    line-height: 1.35;
}
.cta-band p {
    margin-top: 14px;
    color: rgba(255,255,255,0.75);
    font-size: 1rem;
}
.cta-actions {
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    gap: 16px;
    margin-top: 30px;
}
/* ===== Footer ===== */
.site-footer {
    background: var(--primary);
    color: rgba(255,255,255,0.75);
    padding: 64px 0 32px;
    font-size: 0.9rem;
}
.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 1.12rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 14px;
}
.footer-desc {
    font-size: 0.88rem;
    line-height: 1.8;
    color: rgba(255,255,255,0.6);
}
.footer-links {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
}
.footer-links a {
    color: rgba(255,255,255,0.6);
    font-size: 0.88rem;
    transition: color 0.25s ease, padding-left 0.25s ease;
}
.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}
.footer-bottom {
    margin-top: 48px;
    padding-top: 24px;
    border-top: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 0.82rem;
    color: rgba(255,255,255,0.45);
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .nav-links {
        gap: 22px;
    }
    .nav-links a {
        font-size: 0.88rem;
    }
    .article-card-surface {
        padding: 36px 34px;
    }
}
@media (max-width: 768px) {
    .nav-toggle {
        display: inline-flex;
    }
    .nav-links {
        position: fixed;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--surface);
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
        padding: 12px 24px 20px;
        border-bottom: 1px solid var(--border);
        box-shadow: var(--shadow-md);
        transform: translateY(-16px);
        opacity: 0;
        visibility: hidden;
        transition: all 0.35s ease;
        z-index: 999;
    }
    .nav-links.open {
        transform: translateY(0);
        opacity: 1;
        visibility: visible;
    }
    .nav-links a {
        padding: 12px 0;
        width: 100%;
        font-size: 0.98rem;
        border-bottom: 1px solid var(--border);
    }
    .nav-links a::after {
        display: none;
    }
    .nav-links a:hover,
    .nav-links a.active {
        color: var(--accent);
    }
    .live-pill {
        display: none;
    }
    .article-hero {
        padding: 130px 0 70px;
    }
    .article-card-surface {
        padding: 28px 22px;
    }
    .sidebar {
        margin-top: 12px;
    }
    .guide-section {
        padding-top: 50px;
    }
    .faq-question {
        padding: 18px 20px;
        font-size: 0.95rem;
    }
    .faq-answer-inner {
        padding: 0 20px 22px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
}
@media (max-width: 520px) {
    .container-custom {
        padding: 0 18px;
    }
    .site-logo {
        font-size: 1rem;
    }
    .article-hero h1 {
        font-size: 1.55rem;
    }
    .article-meta {
        gap: 12px;
        font-size: 0.82rem;
    }
    .cta-band {
        padding: 70px 0;
    }
    .cta-actions .btn {
        width: 100%;
    }
    .guide-card-body {
        padding: 22px 20px 26px;
    }
}

/* roulang page: category3 */
:root {
    --primary: #0b1220;
    --primary-soft: #111c30;
    --accent: #e8a33d;
    --accent-strong: #d18a1f;
    --bg: #f6f7fb;
    --surface: #ffffff;
    --text: #16213a;
    --text-weak: #5b6b85;
    --border: #e3e8f0;
    --radius: 18px;
    --radius-sm: 12px;
    --shadow-sm: 0 2px 10px rgba(11, 18, 32, 0.04);
    --shadow: 0 8px 30px rgba(11, 18, 32, 0.07);
    --shadow-lg: 0 20px 50px rgba(11, 18, 32, 0.12);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", system-ui, -apple-system, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}

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

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

ul,
ol {
    list-style: none;
}

button {
    border: none;
    background: none;
    cursor: pointer;
    font: inherit;
}

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

a:focus-visible,
button:focus-visible {
    outline: 2px solid var(--accent);
    outline-offset: 3px;
    border-radius: 6px;
}

@media (prefers-reduced-motion: reduce) {
    * {
        transition: none !important;
        animation: none !important;
        scroll-behavior: auto !important;
    }
}

.container-custom {
    width: min(1200px, 92%);
    margin-inline: auto;
}

/* ===== Header / Nav ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: rgba(255, 255, 255, 0.86);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 24px;
}

.logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1.16rem;
    font-weight: 800;
    letter-spacing: 0.5px;
    color: var(--primary);
    white-space: nowrap;
}

.logo-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: var(--accent);
    box-shadow: 0 0 0 4px rgba(232, 163, 61, 0.16);
    flex: 0 0 auto;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 36px;
}

.nav-links a {
    position: relative;
    font-size: 0.94rem;
    font-weight: 500;
    color: var(--text-weak);
    padding: 6px 2px;
    transition: color 0.25s;
    white-space: nowrap;
}

.nav-links a::after {
    content: "";
    position: absolute;
    left: 0;
    bottom: 0;
    width: 0;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
    transition: width 0.25s;
}

.nav-links a:hover {
    color: var(--text);
}

.nav-links a:hover::after {
    width: 100%;
}

.nav-links a.active {
    color: var(--text);
    font-weight: 650;
}

.nav-links a.active::after {
    width: 100%;
}

/* ===== Buttons ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: 999px;
    font-size: 0.95rem;
    font-weight: 650;
    letter-spacing: 0.3px;
    transition: all 0.25s;
    line-height: 1.4;
}

.btn-accent {
    background: var(--accent);
    color: #131a2b;
    box-shadow: 0 8px 22px rgba(232, 163, 61, 0.26);
}

.btn-accent:hover {
    background: #f0b14e;
    transform: translateY(-2px);
    box-shadow: 0 14px 30px rgba(232, 163, 61, 0.36);
}

.btn-outline-light {
    border: 1.5px solid rgba(255, 255, 255, 0.55);
    color: #ffffff;
}

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

/* ===== Page Hero ===== */
.page-hero {
    position: relative;
    background:
        linear-gradient(135deg, rgba(11, 18, 32, 0.9) 0%, rgba(11, 18, 32, 0.74) 45%, rgba(17, 28, 48, 0.88) 100%),
        url("/assets/images/backpic/back-1.png") center/cover no-repeat;
    padding: 148px 0 96px;
    color: #fff;
    text-align: center;
    overflow: hidden;
}

.breadcrumb {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    font-size: 0.84rem;
    color: rgba(255, 255, 255, 0.62);
    margin-bottom: 24px;
    letter-spacing: 0.4px;
}

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

.page-hero h1 {
    font-size: clamp(2rem, 5vw, 3.2rem);
    font-weight: 800;
    line-height: 1.22;
    letter-spacing: 1px;
    margin-bottom: 18px;
}

.hero-desc {
    max-width: 660px;
    margin: 0 auto 36px;
    color: rgba(255, 255, 255, 0.85);
    font-size: 1.05rem;
    line-height: 1.8;
}

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

.hero-stats {
    display: flex;
    justify-content: center;
    margin-top: 56px;
    border-top: 1px solid rgba(255, 255, 255, 0.14);
    padding-top: 34px;
    flex-wrap: wrap;
    gap: 12px;
}

.hero-stats > div {
    flex: 1 1 0;
    max-width: 180px;
    text-align: center;
    padding: 0 22px;
    border-left: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-stats > div:first-child {
    border-left: none;
}

.hero-stats strong {
    display: block;
    font-size: 1.8rem;
    font-weight: 800;
    color: var(--accent);
    line-height: 1.3;
}

.hero-stats span {
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.62);
    display: block;
}

/* ===== Sections ===== */
.section {
    padding: 96px 0;
    position: relative;
}

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

.section-head {
    text-align: center;
    max-width: 760px;
    margin: 0 auto 56px;
}

.section-tag {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 0.8rem;
    font-weight: 700;
    letter-spacing: 2px;
    color: var(--accent-strong);
    text-transform: uppercase;
}

.section-tag::before {
    content: "";
    width: 24px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}

.section-head h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    color: var(--text);
    margin: 12px 0 16px;
    letter-spacing: 0.5px;
    line-height: 1.3;
}

.section-head p {
    color: var(--text-weak);
    font-size: 1rem;
    line-height: 1.75;
}

/* ===== Module Cards ===== */
.mod-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}

.mod-card {
    display: block;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
}

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

.mod-img {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: var(--primary);
}

.mod-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.4s;
}

.mod-card:hover .mod-img img {
    transform: scale(1.05);
}

.mod-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(11, 18, 32, 0.36), transparent 55%);
}

.mod-body {
    padding: 28px;
}

.badge-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 5px 14px;
    border-radius: 999px;
    background: #fdf1e3;
    color: var(--accent-strong);
    font-size: 0.78rem;
    font-weight: 650;
    letter-spacing: 0.4px;
}

.mod-body .badge-pill {
    margin-bottom: 14px;
}

.mod-body h3 {
    font-size: 1.18rem;
    font-weight: 750;
    color: var(--text);
    margin-bottom: 10px;
}

.mod-body p {
    font-size: 0.93rem;
    color: var(--text-weak);
    line-height: 1.7;
}

/* ===== Dark Section ===== */
.section-dark {
    background:
        radial-gradient(1000px circle at 85% 15%, rgba(232, 163, 61, 0.13), transparent 45%),
        linear-gradient(135deg, #0b1220 0%, #0f1a2e 60%, #131a2b 100%);
    color: #fff;
}

.section-dark .section-head h2 {
    color: #fff;
}

.section-dark .section-head p {
    color: rgba(255, 255, 255, 0.7);
}

.section-dark .section-tag {
    color: #f0b14e;
}

/* ===== Steps ===== */
.steps {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    gap: 18px;
}

.step-item {
    display: grid;
    grid-template-columns: 72px 1fr;
    gap: 24px;
    background: rgba(255, 255, 255, 0.045);
    border: 1px solid rgba(255, 255, 255, 0.09);
    border-radius: var(--radius);
    padding: 28px 32px;
    transition: all 0.3s;
}

.step-item:hover {
    background: rgba(255, 255, 255, 0.07);
    border-color: rgba(232, 163, 61, 0.32);
    transform: translateX(6px);
}

.step-num {
    width: 56px;
    height: 56px;
    border-radius: 14px;
    background: linear-gradient(135deg, var(--accent), #f0b14e);
    color: #131a2b;
    font-weight: 800;
    font-size: 1.2rem;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 8px 24px rgba(232, 163, 61, 0.26);
}

.step-content h3 {
    font-size: 1.14rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 8px;
}

.step-content p {
    color: rgba(255, 255, 255, 0.72);
    font-size: 0.95rem;
    line-height: 1.75;
}

/* ===== Feature Grid ===== */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}

.feature-card {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.3s;
    box-shadow: var(--shadow-sm);
    display: flex;
    flex-direction: column;
}

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

.feature-card img {
    aspect-ratio: 16 / 11;
    object-fit: cover;
    width: 100%;
}

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

.feature-body h3 {
    font-size: 1.05rem;
    font-weight: 750;
    color: var(--text);
    margin-bottom: 8px;
}

.feature-body p {
    font-size: 0.9rem;
    color: var(--text-weak);
    line-height: 1.7;
    flex: 1;
}

.text-link {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    color: var(--accent-strong);
    font-size: 0.88rem;
    font-weight: 650;
    margin-top: 14px;
    transition: gap 0.25s;
}

.text-link:hover {
    gap: 9px;
    color: #b5770f;
}

/* ===== Tips Split ===== */
.split-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 32px;
}

.tip-panel {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 40px;
    box-shadow: var(--shadow-sm);
}

.tip-panel h3 {
    font-size: 1.28rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.tip-panel-dark {
    background: linear-gradient(135deg, #0b1220, #131a2b);
    color: #fff;
    border: none;
}

.tip-panel-dark h3 {
    color: #fff;
}

.tip-list {
    display: grid;
    gap: 16px;
}

.tip-list li {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    font-size: 0.93rem;
    color: var(--text-weak);
    line-height: 1.7;
}

.tip-panel-dark .tip-list li {
    color: rgba(255, 255, 255, 0.8);
}

.check-icon {
    flex: 0 0 auto;
    width: 21px;
    height: 21px;
    margin-top: 3px;
    border-radius: 50%;
    background: rgba(232, 163, 61, 0.16);
    color: var(--accent-strong);
    font-size: 12px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
}

.tip-panel-dark .check-icon {
    background: rgba(232, 163, 61, 0.22);
    color: #f0b14e;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 800px;
    margin: 0 auto;
    display: grid;
    gap: 14px;
}

.faq-item {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s;
}

.faq-item.open {
    box-shadow: var(--shadow);
    border-color: rgba(209, 138, 31, 0.35);
}

.faq-q {
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 22px 26px;
    font-size: 1rem;
    font-weight: 650;
    color: var(--text);
    text-align: left;
    transition: color 0.25s;
}

.faq-q:hover {
    color: var(--accent-strong);
}

.faq-icon {
    flex: 0 0 auto;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: #f1f4f9;
    color: var(--text-weak);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 18px;
    font-weight: 400;
    transition: all 0.3s;
}

.faq-item.open .faq-icon {
    background: var(--accent);
    color: #131a2b;
    transform: rotate(45deg);
}

.faq-a {
    max-height: 0;
    padding: 0 26px;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    color: var(--text-weak);
    font-size: 0.93rem;
    line-height: 1.85;
}

.faq-item.open .faq-a {
    max-height: 400px;
    padding-bottom: 24px;
}

/* ===== CTA Band ===== */
.cta-band {
    background:
        linear-gradient(135deg, rgba(11, 18, 32, 0.92), rgba(17, 28, 48, 0.86)),
        url("/assets/images/backpic/back-2.png") center/cover no-repeat;
    padding: 80px 0;
    text-align: center;
    color: #fff;
}

.cta-inner h2 {
    font-size: clamp(1.6rem, 3vw, 2.2rem);
    font-weight: 800;
    letter-spacing: 0.5px;
    margin-bottom: 12px;
}

.cta-inner p {
    color: rgba(255, 255, 255, 0.74);
    margin-bottom: 30px;
    font-size: 1rem;
}

/* ===== Footer ===== */
.site-footer {
    background: #0b1220;
    color: rgba(255, 255, 255, 0.7);
    padding: 68px 0 0;
    font-size: 0.92rem;
}

.footer-brand {
    font-size: 1.15rem;
    font-weight: 700;
    color: #fff;
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-desc {
    font-size: 0.9rem;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 320px;
}

.footer-links {
    display: grid;
    gap: 10px;
}

.footer-links a {
    color: rgba(255, 255, 255, 0.65);
    transition: color 0.25s;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

.footer-bottom {
    margin-top: 50px;
    padding: 20px 0 24px;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-size: 0.85rem;
    color: rgba(255, 255, 255, 0.45);
    flex-wrap: wrap;
    gap: 8px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .mod-grid {
        grid-template-columns: repeat(2, 1fr);
    }

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

    .nav-links {
        gap: 24px;
    }
}

@media (max-width: 768px) {
    .section {
        padding: 64px 0;
    }

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

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

    .header-inner {
        height: 64px;
    }

    .nav-links {
        gap: 18px;
        overflow-x: auto;
        -webkit-overflow-scrolling: touch;
        padding-bottom: 4px;
        scrollbar-width: none;
    }

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

    .nav-links a {
        font-size: 0.88rem;
        white-space: nowrap;
    }

    .page-hero {
        padding: 112px 0 70px;
    }

    .hero-stats {
        gap: 20px;
    }

    .hero-stats > div {
        flex: 1 1 120px;
        max-width: none;
        border-left: none;
        border-top: 1px solid rgba(255, 255, 255, 0.12);
        padding-top: 16px;
    }

    .hero-stats > div:first-child {
        border-left: none;
    }

    .step-item {
        grid-template-columns: 1fr;
        gap: 16px;
        padding: 24px;
    }

    .feature-grid {
        gap: 18px;
    }

    .tip-panel {
        padding: 30px;
    }

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

@media (max-width: 520px) {
    .mod-grid {
        grid-template-columns: 1fr;
    }

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

    .page-hero h1 {
        font-size: 1.7rem;
    }

    .hero-desc {
        font-size: 0.95rem;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }

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

    .hero-stats strong {
        font-size: 1.5rem;
    }

    .step-item {
        padding: 20px;
        border-radius: 14px;
    }

    .faq-q {
        padding: 18px 20px;
        font-size: 0.95rem;
    }

    .faq-a {
        padding: 0 20px;
    }

    .faq-item.open .faq-a {
        padding-bottom: 20px;
    }

    .tip-panel {
        padding: 24px;
    }

    .tip-panel h3 {
        font-size: 1.1rem;
    }

    .cta-band {
        padding: 60px 0;
    }
}