/* roulang page: index */
:root {
            --primary: #1a56db;
            --primary-dark: #153e9e;
            --primary-light: #eef4ff;
            --accent: #f59e0b;
            --accent-dark: #d97706;
            --dark: #0f172a;
            --bg: #f7f9fc;
            --bg-soft: #f1f5f9;
            --text: #1e293b;
            --text-light: #64748b;
            --border: #e2e8f0;
            --radius: 14px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --nav-height: 74px;
        }

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

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

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

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

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

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

        h1,
        h2,
        h3,
        h4,
        h5 {
            margin: 0 0 0.5rem;
            font-weight: 700;
            line-height: 1.3;
            color: var(--text);
        }

        p {
            margin: 0 0 1rem;
        }

        button,
        input {
            font-family: inherit;
        }

        ::selection {
            background: rgba(26, 86, 219, 0.16);
            color: var(--primary-dark);
        }

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

        @media (max-width: 639px) {
            .grid-container {
                padding-left: 18px;
                padding-right: 18px;
            }
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.72);
            -webkit-backdrop-filter: blur(18px) saturate(180%);
            backdrop-filter: blur(18px) saturate(180%);
            border-bottom: 1px solid rgba(255, 255, 255, 0.35);
            box-shadow: 0 4px 24px rgba(15, 23, 42, 0.05);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            border-color: rgba(226, 232, 240, 0.7);
            box-shadow: 0 8px 32px rgba(15, 23, 42, 0.08);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            width: 100%;
        }

        .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 20px;
            color: var(--dark);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .brand-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 12px;
            font-size: 17px;
            box-shadow: 0 6px 16px rgba(26, 86, 219, 0.3);
            flex-shrink: 0;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .nav-link {
            padding: 10px 18px;
            border-radius: 999px;
            font-weight: 500;
            font-size: 15px;
            color: var(--text-light);
            transition: var(--transition);
            line-height: 1.4;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(26, 86, 219, 0.08);
        }

        .nav-link.is-active {
            color: var(--primary);
            background: rgba(26, 86, 219, 0.12);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav-ghost {
            padding: 9px 20px;
            border: 1.5px solid var(--border);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text);
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-nav-ghost:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: rgba(26, 86, 219, 0.04);
        }

        .btn-nav-solid {
            padding: 10px 22px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(26, 86, 219, 0.28);
            transition: var(--transition);
            white-space: nowrap;
            border: none;
        }

        .btn-nav-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(26, 86, 219, 0.35);
            color: #fff;
        }

        .btn-nav-solid:focus,
        .btn-nav-ghost:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(26, 86, 219, 0.18);
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.8);
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            transition: var(--transition);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--text);
            border-radius: 4px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.active span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .hero {
            position: relative;
            min-height: 720px;
            display: flex;
            align-items: center;
            padding: calc(var(--nav-height) + 60px) 0 80px;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(26, 86, 219, 0.8) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 90px;
            background: linear-gradient(to top, var(--bg), transparent);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.14);
            border: 1px solid rgba(255, 255, 255, 0.25);
            backdrop-filter: blur(6px);
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.06em;
            margin-bottom: 28px;
        }

        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: #22c55e;
            box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
            animation: pulse 2s infinite;
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.6);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
            }
        }

        .hero h1 {
            font-size: 54px;
            line-height: 1.15;
            font-weight: 800;
            margin-bottom: 20px;
            letter-spacing: 0.02em;
            color: #fff;
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
        }

        .hero-sub {
            font-size: 20px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.88);
            max-width: 660px;
            margin: 0 auto 36px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 60px;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 15px 34px;
            border-radius: 999px;
            background: linear-gradient(135deg, #f59e0b, #f97316);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.35);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 14px 36px rgba(245, 158, 11, 0.4);
            color: #fff;
        }

        .btn-hero-primary:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.3);
        }

        .btn-hero-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 15px 32px;
            border-radius: 999px;
            border: 1.5px solid rgba(255, 255, 255, 0.4);
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .btn-hero-ghost:hover {
            background: rgba(255, 255, 255, 0.2);
            border-color: rgba(255, 255, 255, 0.7);
            color: #fff;
        }

        .hero-metrics {
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
        }

        .metric {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
        }

        .metric-num {
            font-size: 38px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .metric-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            letter-spacing: 0.04em;
        }

        .section {
            position: relative;
            padding: 96px 0;
        }

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 56px;
        }

        .section-eyebrow {
            display: inline-block;
            padding: 6px 16px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 40px;
            color: var(--dark);
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .section-head p {
            color: var(--text-light);
            font-size: 17px;
            line-height: 1.75;
            margin: 0;
        }

        .features {
            background: var(--bg);
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            height: 100%;
            transition: var(--transition);
            position: relative;
        }

        .feature-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(26, 86, 219, 0.25);
        }

        .feature-card__img {
            width: 100%;
            height: 190px;
            object-fit: cover;
            display: block;
        }

        .feature-card__body {
            padding: 32px 26px 26px;
        }

        .feature-icon {
            position: absolute;
            top: -24px;
            right: 26px;
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            box-shadow: 0 8px 20px rgba(26, 86, 219, 0.3);
            z-index: 2;
        }

        .feature-card__body h3 {
            font-size: 21px;
            margin-bottom: 10px;
            color: var(--dark);
        }

        .feature-card__body p {
            color: var(--text-light);
            font-size: 15px;
            margin-bottom: 18px;
            line-height: 1.7;
        }

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

        .card-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }

        .categories {
            background: var(--bg-soft);
        }

        .category-card {
            position: relative;
            display: block;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 340px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            isolation: isolate;
        }

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

        .category-card__img {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: -2;
            transition: transform 0.6s ease;
        }

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

        .category-card__overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0.05) 0%, rgba(15, 23, 42, 0.88) 100%);
            z-index: -1;
        }

        .category-card__content {
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            padding: 30px;
            color: #fff;
            z-index: 1;
        }

        .category-tag {
            display: inline-block;
            padding: 5px 16px;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.3);
            border-radius: 999px;
            font-size: 12px;
            letter-spacing: 0.08em;
            margin-bottom: 14px;
            backdrop-filter: blur(6px);
            color: #fff;
        }

        .category-card__content h3 {
            font-size: 26px;
            margin-bottom: 10px;
            color: #fff;
        }

        .category-card__content p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 18px;
            line-height: 1.7;
        }

        .category-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            font-size: 15px;
            color: #fff;
            transition: var(--transition);
        }

        .category-card:hover .category-more {
            gap: 12px;
            color: var(--accent);
        }

        .latest-news {
            background: var(--bg);
        }

        .news-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 28px;
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .news-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            opacity: 0;
            transition: var(--transition);
        }

        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(26, 86, 219, 0.2);
        }

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

        .news-card__meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 16px;
        }

        .news-badge {
            display: inline-block;
            padding: 4px 14px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-light);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .news-card__title {
            font-size: 19px;
            line-height: 1.45;
            margin-bottom: 12px;
            color: var(--text);
        }

        .news-card__title a {
            color: inherit;
        }

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

        .news-card__desc {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 20px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card__more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
        }

        .news-card__more:hover {
            gap: 12px;
            color: var(--primary-dark);
        }

        .empty-state {
            background: #fff;
            border: 1px dashed var(--border);
            border-radius: var(--radius-lg);
            padding: 40px;
            text-align: center;
            color: var(--text-light);
            font-size: 16px;
        }

        .stats-section {
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(26, 86, 219, 0.78) 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            color: #fff;
            padding: 96px 0;
        }

        .stats-section .stat-item {
            text-align: center;
            padding: 32px 16px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .stats-section .stat-item:hover {
            background: rgba(255, 255, 255, 0.14);
            transform: translateY(-4px);
        }

        .stat-num {
            display: block;
            font-size: 46px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.85);
            letter-spacing: 0.04em;
        }

        .process {
            background: var(--bg);
        }

        .process-step {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: var(--transition);
            position: relative;
        }

        .process-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--primary);
        }

        .step-num {
            display: inline-flex;
            width: 50px;
            height: 50px;
            align-items: center;
            justify-content: center;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-size: 19px;
            font-weight: 800;
            margin-bottom: 20px;
            box-shadow: 0 8px 20px rgba(26, 86, 219, 0.28);
        }

        .process-step h3 {
            font-size: 21px;
            color: var(--dark);
            margin-bottom: 10px;
        }

        .process-step p {
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.75;
            margin: 0;
        }

        .spotlight {
            background: #fff;
            overflow: hidden;
        }

        .spotlight-row {
            align-items: center;
            gap: 32px;
        }

        .spotlight-img {
            border-radius: 24px;
            box-shadow: var(--shadow-lg);
            width: 100%;
            max-height: 420px;
            object-fit: cover;
        }

        .spotlight-content {
            padding: 20px 0;
        }

        .spotlight-content h2 {
            font-size: 36px;
            line-height: 1.3;
            margin-bottom: 18px;
            color: var(--dark);
        }

        .spotlight-content p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .check-list {
            margin-bottom: 28px;
        }

        .check-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            color: var(--text);
            margin-bottom: 12px;
        }

        .check-list li i {
            color: var(--primary);
            font-size: 18px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 30px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border: none;
            cursor: pointer;
            box-shadow: 0 8px 22px rgba(26, 86, 219, 0.28);
            transition: var(--transition);
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(26, 86, 219, 0.34);
            color: #fff;
        }

        .btn-primary:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(26, 86, 219, 0.22);
        }

        .faq {
            background: var(--bg);
        }

        .custom-accordion {
            border: none;
            background: transparent;
        }

        .custom-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }

        .custom-accordion .accordion-item.is-active {
            border-color: rgba(26, 86, 219, 0.35);
            box-shadow: 0 8px 28px rgba(26, 86, 219, 0.1);
        }

        .custom-accordion .accordion-title {
            padding: 22px 26px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text);
            background: transparent;
            border: none;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: var(--transition);
            line-height: 1.5;
        }

        .custom-accordion .accordion-title:hover {
            background: #f8fafc;
        }

        .custom-accordion .accordion-title::before {
            content: none;
        }

        .custom-accordion .accordion-title::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 14px;
            color: var(--text-light);
            margin-left: auto;
            position: static;
            transition: var(--transition);
        }

        .custom-accordion .accordion-item.is-active .accordion-title::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-q {
            width: 30px;
            height: 30px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            font-size: 13px;
            font-weight: 700;
            flex-shrink: 0;
        }

        .custom-accordion .accordion-content {
            padding: 0 26px 26px 66px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.85;
            background: transparent;
            border: none;
        }

        .cta-section {
            background: var(--bg-soft);
            padding: 80px 0;
        }

        .cta-box {
            background: linear-gradient(rgba(15, 23, 42, 0.84), rgba(15, 23, 42, 0.84)), url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            border-radius: 28px;
            padding: 72px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-box h2 {
            color: #fff;
            font-size: 36px;
            margin-bottom: 16px;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 17px;
            margin-bottom: 32px;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 36px;
            border-radius: 999px;
            background: linear-gradient(135deg, var(--accent), #f97316);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.35);
            transition: var(--transition);
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(245, 158, 11, 0.4);
            color: #fff;
        }

        .btn-cta:focus {
            outline: none;
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.3);
        }

        .site-footer {
            background: var(--dark);
            color: rgba(255, 255, 255, 0.65);
            padding: 70px 0 0;
        }

        .footer-main {
            padding-bottom: 50px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 18px;
        }

        .footer-brand .brand-icon {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            box-shadow: none;
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 21px;
            font-weight: 800;
        }

        .site-footer .footer-desc {
            color: rgba(255, 255, 255, 0.55);
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 22px;
            max-width: 360px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.6);
            font-size: 15px;
            transition: var(--transition);
        }

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

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 20px;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 15px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 5px;
        }

        .footer-bottom {
            padding: 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.45);
        }

        @media (max-width: 1024px) {
            .hero h1 {
                font-size: 44px;
            }
            .section-head h2 {
                font-size: 34px;
            }
            .section {
                padding: 80px 0;
            }
            .stats-section {
                padding: 80px 0;
            }
            .main-nav {
                gap: 4px;
            }
            .nav-link {
                padding: 9px 14px;
                font-size: 14px;
            }
            .brand-text {
                font-size: 18px;
            }
        }

        @media (max-width: 767px) {
            .nav-actions {
                display: none;
            }
            .nav-toggle {
                display: flex;
            }
            .main-nav {
                position: absolute;
                top: calc(var(--nav-height) - 10px);
                left: 18px;
                right: 18px;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                background: rgba(255, 255, 255, 0.98);
                -webkit-backdrop-filter: blur(20px);
                backdrop-filter: blur(20px);
                border-radius: 18px;
                padding: 14px;
                box-shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
                border: 1px solid var(--border);
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px);
                transition: var(--transition);
            }
            .main-nav.is-open {
                opacity: 1;
                visibility: visible;
                transform: translateY(0);
            }
            .nav-link {
                padding: 13px 20px;
                font-size: 15px;
                border-radius: 12px;
            }
            .hero {
                min-height: 640px;
                padding-top: calc(var(--nav-height) + 40px);
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero-sub {
                font-size: 17px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: center;
            }
            .hero-metrics {
                gap: 28px;
            }
            .metric-num {
                font-size: 30px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .section {
                padding: 64px 0;
            }
            .stats-section {
                padding: 64px 0;
            }
            .stat-num {
                font-size: 34px;
            }
            .spotlight-row {
                gap: 20px;
            }
            .spotlight-content h2 {
                font-size: 28px;
            }
            .cta-box {
                padding: 48px 24px;
            }
            .cta-box h2 {
                font-size: 28px;
            }
            .custom-accordion .accordion-content {
                padding: 0 20px 20px 20px;
            }
            .custom-accordion .accordion-title {
                padding: 18px 20px;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 16px;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .nav-wrap {
                gap: 10px;
            }
            .hero h1 {
                font-size: 31px;
            }
            .hero-sub {
                font-size: 15px;
            }
            .hero-metrics {
                gap: 20px;
            }
            .metric-num {
                font-size: 26px;
            }
            .metric-label {
                font-size: 13px;
            }
            .section-head h2 {
                font-size: 25px;
            }
            .feature-card__body {
                padding: 28px 22px 22px;
            }
            .category-card {
                min-height: 300px;
            }
            .category-card__content {
                padding: 22px;
            }
            .category-card__content h3 {
                font-size: 22px;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1e5eff;
            --primary-dark: #1548c4;
            --primary-light: #e8eeff;
            --accent: #ff6b35;
            --accent-dark: #e5521f;
            --bg: #f7f9fc;
            --bg-white: #ffffff;
            --bg-soft: #f0f4fa;
            --text: #1a2233;
            --text-weak: #5a6b82;
            --border: #e2e8f2;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 6px 24px rgba(20, 50, 100, 0.08);
            --shadow-lg: 0 12px 40px rgba(20, 50, 100, 0.12);
            --space-section: 80px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: var(--primary); transition: color .2s; }
        a:hover { color: var(--primary-dark); }
        ul, ol { margin: 0; padding: 0; list-style: none; }
        h1, h2, h3, h4, h5 { margin: 0; font-weight: 700; line-height: 1.3; }
        p { margin: 0; }

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

        /* ===== 玻璃导航 ===== */
        .site-header {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.35);
            box-shadow: 0 4px 20px rgba(20, 50, 100, 0.06);
            height: var(--header-h);
            transition: background .3s, box-shadow .3s;
        }
        .site-header.is-scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 6px 20px rgba(20, 50, 100, 0.08);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 20px;
        }
        .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), #4a8bff);
            color: #fff;
            border-radius: 12px;
            font-size: 18px;
            box-shadow: 0 4px 12px rgba(30, 94, 255, 0.3);
            flex-shrink: 0;
        }
        .brand-text {
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            padding: 10px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text-weak);
            transition: all .25s;
            white-space: nowrap;
        }
        .nav-link:hover { color: var(--primary); background: var(--primary-light); }
        .nav-link.is-active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(30, 94, 255, 0.25);
        }
        .nav-actions { display: flex; gap: 10px; align-items: center; }
        .btn-nav-ghost {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            border: 1px solid var(--primary);
            transition: all .25s;
            white-space: nowrap;
        }
        .btn-nav-ghost:hover { background: var(--primary-light); }
        .btn-nav-solid {
            display: inline-block;
            padding: 8px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 12px rgba(30, 94, 255, 0.25);
            transition: all .25s;
            white-space: nowrap;
        }
        .btn-nav-solid:hover { background: var(--primary-dark); transform: translateY(-1px); }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            width: 40px;
            height: 40px;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            border-radius: 10px;
            padding: 0;
        }
        .nav-toggle:hover { background: var(--primary-light); }
        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--text);
            border-radius: 2px;
            margin: 0 auto;
            transition: all .25s;
        }

        /* ===== 分类 Banner ===== */
        .category-banner {
            position: relative;
            padding: 170px 0 90px;
            background: linear-gradient(135deg, rgba(13, 28, 61, 0.94), rgba(30, 94, 255, 0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .category-banner::before {
            content: "";
            position: absolute;
            right: -120px;
            top: -120px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }
        .category-banner::after {
            content: "";
            position: absolute;
            left: -80px;
            bottom: -100px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
        }
        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.3);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
        }
        .banner-badge i { color: #65c8ff; }
        .category-banner h1 {
            font-size: 44px;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .category-banner .banner-desc {
            font-size: 17px;
            opacity: 0.92;
            margin-bottom: 30px;
            max-width: 660px;
        }
        .banner-actions { display: flex; gap: 14px; flex-wrap: wrap; }
        .btn-light {
            display: inline-block;
            padding: 12px 28px;
            background: #fff;
            color: var(--primary);
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.12);
            transition: all .25s;
        }
        .btn-light:hover { color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0, 0, 0, 0.16); }
        .btn-outline-light {
            display: inline-block;
            padding: 12px 28px;
            border: 1.5px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: all .25s;
        }
        .btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }

        /* ===== 面包屑 ===== */
        .breadcrumb-wrap {
            padding: 18px 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
        }
        .breadcrumb-list { display: flex; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--text-weak); align-items: center; }
        .breadcrumb-list a { color: var(--primary); font-weight: 500; }
        .breadcrumb-list a:hover { color: var(--primary-dark); }
        .breadcrumb-list .sep { color: #c0cbd9; }
        .breadcrumb-list .current { color: var(--text-weak); }

        /* ===== 板块通用 ===== */
        .section { padding: var(--space-section) 0; }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 999px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 34px;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .section-head p { color: var(--text-weak); font-size: 16px; }

        /* ===== 平台指南卡片 ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .guide-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 30px;
            transition: all .3s;
            position: relative;
            overflow: hidden;
        }
        .guide-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--primary), #4a8bff);
            opacity: 0;
            transition: opacity .3s;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(30, 94, 255, 0.35);
        }
        .guide-card:hover::before { opacity: 1; }
        .guide-card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
            background: var(--primary-light);
            color: var(--primary);
        }
        .guide-card h3 { font-size: 20px; margin-bottom: 10px; }
        .guide-card p { color: var(--text-weak); font-size: 14px; margin-bottom: 18px; line-height: 1.7; }
        .guide-card .card-link { font-size: 14px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
        .guide-card .card-link i { transition: transform .2s; font-size: 13px; }
        .guide-card .card-link:hover i { transform: translateX(4px); }

        /* ===== 使用流程 ===== */
        .flow-section {
            background: var(--bg-white);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }
        .flow-steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
        .flow-step {
            text-align: center;
            padding: 30px 20px;
            position: relative;
            border-radius: var(--radius);
            transition: all .3s;
        }
        .flow-step:hover { background: var(--bg-soft); }
        .flow-step .step-num {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--primary), #4a8bff);
            color: #fff;
            box-shadow: 0 8px 20px rgba(30, 94, 255, 0.3);
        }
        .flow-step h3 { font-size: 18px; margin-bottom: 10px; }
        .flow-step p { color: var(--text-weak); font-size: 14px; line-height: 1.7; }

        /* ===== 内容列表 ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }
        .featured-card {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 20px;
            transition: all .3s;
            align-items: center;
        }
        .featured-card:hover {
            box-shadow: var(--shadow);
            transform: translateY(-4px);
            border-color: rgba(30, 94, 255, 0.25);
        }
        .featured-card img {
            width: 170px;
            height: 120px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            flex-shrink: 0;
        }
        .featured-card .fc-body { flex: 1; }
        .fc-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-light);
            padding: 3px 10px;
            border-radius: 999px;
            margin-bottom: 10px;
        }
        .featured-card h3 { font-size: 18px; margin-bottom: 8px; line-height: 1.4; }
        .featured-card p { font-size: 13px; color: var(--text-weak); line-height: 1.6; }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: linear-gradient(135deg, #0d1c3d, #142c58);
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(30, 94, 255, 0.2);
        }
        .stats-section::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(255, 107, 53, 0.1);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 2;
        }
        .stat-item { text-align: center; padding: 20px 10px; }
        .stat-num { font-size: 44px; font-weight: 800; color: #fff; line-height: 1.2; }
        .stat-num span { color: #65c8ff; }
        .stat-label { color: rgba(255, 255, 255, 0.8); font-size: 14px; margin-top: 8px; }

        /* ===== 热门标签 ===== */
        .tag-row { display: flex; flex-wrap: wrap; gap: 12px; justify-content: center; }
        .tag-item {
            padding: 7px 18px;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: 999px;
            font-size: 13px;
            color: var(--text-weak);
            transition: all .25s;
            font-weight: 500;
        }
        .tag-item:hover {
            border-color: var(--primary);
            color: var(--primary);
            background: var(--primary-light);
            box-shadow: 0 3px 10px rgba(30, 94, 255, 0.1);
        }

        /* ===== FAQ ===== */
        .faq-wrap { max-width: 860px; margin: 0 auto; }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all .3s;
        }
        .faq-item:hover { border-color: rgba(30, 94, 255, 0.3); box-shadow: var(--shadow); }
        .faq-q {
            padding: 20px 26px;
            font-weight: 700;
            font-size: 16px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            color: var(--text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            font-family: inherit;
            transition: background .2s;
        }
        .faq-q:hover { background: var(--bg-soft); }
        .faq-q i { color: var(--primary); transition: transform .3s; font-size: 14px; }
        .faq-item.is-open .faq-q i { transform: rotate(180deg); }
        .faq-a {
            padding: 0 26px;
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .3s ease;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
            border-top: 1px solid transparent;
        }
        .faq-item.is-open .faq-a {
            padding: 18px 26px 22px;
            border-top-color: var(--border);
            max-height: 500px;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            position: relative;
            padding: 90px 0;
            background: url('/assets/images/backpic/back-2.png') center/cover fixed no-repeat;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(30, 94, 255, 0.92), rgba(13, 28, 61, 0.94));
        }
        .cta-box {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-box h2 { font-size: 34px; margin-bottom: 14px; }
        .cta-box p { font-size: 16px; opacity: 0.9; margin-bottom: 30px; line-height: 1.8; }
        .cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .btn-cta-primary {
            display: inline-block;
            padding: 14px 34px;
            background: #fff;
            color: var(--primary);
            border-radius: 999px;
            font-size: 15px;
            font-weight: 700;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
            transition: all .25s;
        }
        .btn-cta-primary:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.22); color: var(--primary-dark); }
        .btn-cta-ghost {
            display: inline-block;
            padding: 14px 34px;
            border: 1.5px solid rgba(255, 255, 255, 0.7);
            color: #fff;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 600;
            transition: all .25s;
        }
        .btn-cta-ghost:hover { background: rgba(255, 255, 255, 0.12); color: #fff; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0d1c3d;
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 0;
        }
        .footer-main { padding-bottom: 36px; border-bottom: 1px solid rgba(255, 255, 255, 0.1); }
        .footer-brand { display: flex; align-items: center; gap: 12px; margin-bottom: 16px; }
        .footer-brand .brand-icon {
            background: linear-gradient(135deg, var(--primary), #4a8bff);
            box-shadow: 0 4px 12px rgba(30, 94, 255, 0.35);
        }
        .footer-brand .brand-text { color: #fff; font-size: 20px; }
        .footer-desc { font-size: 14px; color: rgba(255, 255, 255, 0.65); line-height: 1.8; max-width: 380px; }
        .footer-social { display: flex; gap: 12px; margin-top: 20px; }
        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 15px;
            transition: all .25s;
        }
        .footer-social a:hover { background: var(--primary); transform: translateY(-3px); }
        .site-footer h4 { color: #fff; font-size: 16px; margin-bottom: 18px; }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.65);
            transition: all .25s;
            display: inline-block;
        }
        .footer-links a:hover { color: #fff; padding-left: 6px; }
        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root { --space-section: 64px; }
            .guide-grid { grid-template-columns: repeat(2, 1fr); }
            .flow-steps { grid-template-columns: repeat(2, 1fr); }
            .featured-card { flex-direction: column; text-align: left; }
            .featured-card img { width: 100%; height: 180px; }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 52px;
                --header-h: 64px;
            }
            .nav-actions { display: none; }
            .main-nav {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(14px);
                -webkit-backdrop-filter: blur(14px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 24px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                transform: translateY(-16px);
                opacity: 0;
                visibility: hidden;
                transition: all .3s ease;
            }
            .main-nav.is-open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }
            .nav-link {
                display: block;
                width: 100%;
                border-radius: 10px;
                padding: 13px 18px;
            }
            .nav-toggle { display: flex; }
            .category-banner { padding: 140px 0 60px; }
            .category-banner h1 { font-size: 32px; }
            .category-banner .banner-desc { font-size: 15px; }
            .section-head h2 { font-size: 28px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
            .stat-num { font-size: 36px; }
            .cta-box h2 { font-size: 28px; }
            .brand-text { font-size: 18px; }
        }

        @media (max-width: 520px) {
            .guide-grid { grid-template-columns: 1fr; }
            .flow-steps { grid-template-columns: 1fr; gap: 16px; }
            .flow-step { padding: 20px 14px; }
            .featured-grid { grid-template-columns: 1fr; }
            .category-banner h1 { font-size: 26px; }
            .banner-actions .btn-light,
            .banner-actions .btn-outline-light {
                padding: 11px 22px;
                font-size: 14px;
            }
            .section-head h2 { font-size: 24px; }
            .cta-box h2 { font-size: 24px; }
            .footer-main .cell { margin-bottom: 26px; }
        }

/* roulang page: article */
:root {
            --primary: #c8102e;
            --primary-dark: #a30d26;
            --secondary: #1d3557;
            --secondary-light: #2a4a7a;
            --accent: #f59e0b;
            --bg: #f4f6fa;
            --bg-soft: #eef1f6;
            --text: #1a1a2e;
            --text-light: #4a5568;
            --muted: #8a94a6;
            --border: #e2e8f0;
            --white: #ffffff;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 10px 30px rgba(0, 0, 0, 0.07);
            --shadow-hover: 0 18px 44px rgba(0, 0, 0, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --header-h: 76px;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            outline: none;
            border: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .grid-container {
            max-width: 1280px;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.75);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.5);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.05);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.96);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.09);
            border-bottom-color: var(--border);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            padding-top: 0;
            padding-bottom: 0;
        }

        .brand {
            flex-shrink: 0;
        }

        .brand-link {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .brand-icon {
            width: 42px;
            height: 42px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 12px;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(200, 16, 46, 0.35);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            letter-spacing: 0.02em;
            color: var(--text);
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: auto;
            margin-right: 24px;
        }

        .nav-link {
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-link:hover {
            color: var(--primary);
            background: rgba(200, 16, 46, 0.07);
            border-color: rgba(200, 16, 46, 0.12);
        }

        .nav-link.is-active {
            color: var(--primary);
            background: rgba(200, 16, 46, 0.1);
            border-color: rgba(200, 16, 46, 0.15);
            font-weight: 600;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-nav-ghost {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: var(--transition);
            background: rgba(255, 255, 255, 0.7);
        }

        .btn-nav-ghost:hover {
            color: var(--secondary);
            border-color: var(--secondary);
            background: rgba(29, 53, 87, 0.05);
        }

        .btn-nav-solid {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 16px rgba(200, 16, 46, 0.3);
            transition: var(--transition);
        }

        .btn-nav-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 16, 46, 0.4);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.85);
            border: 1px solid var(--border);
            cursor: pointer;
            gap: 5px;
            transition: var(--transition);
        }

        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            border-radius: 2px;
            background: var(--text);
            transition: var(--transition);
        }

        .nav-toggle.is-open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .nav-toggle.is-open span:nth-child(2) {
            opacity: 0;
        }

        .nav-toggle.is-open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        .article-hero {
            position: relative;
            padding: calc(var(--header-h) + 60px) 0 70px;
            background: linear-gradient(135deg, rgba(29, 53, 87, 0.92), rgba(200, 16, 46, 0.82)), url("/assets/images/backpic/back-1.png") center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .article-hero::after {
            content: "";
            position: absolute;
            bottom: -40px;
            right: -40px;
            width: 320px;
            height: 320px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
            z-index: 0;
        }

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

        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 22px;
        }

        .article-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: var(--transition);
        }

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

        .article-hero .breadcrumb i {
            font-size: 12px;
            opacity: 0.7;
        }

        .article-hero h1 {
            font-size: clamp(28px, 4vw, 44px);
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 24px;
            max-width: 820px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.15);
        }

        .article-hero-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 14px;
            margin-top: 20px;
        }

        .article-hero-meta .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.25);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 500;
            color: #fff;
        }

        .article-hero-meta .meta-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
        }

        .meta-item i {
            font-size: 13px;
            color: var(--accent);
        }

        .article-main-section {
            padding: 60px 0 30px;
        }

        .article-main {
            background: var(--white);
            border-radius: var(--radius);
            padding: 40px 44px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 2;
            color: var(--text);
        }

        .article-body p {
            margin-bottom: 1.5rem;
        }

        .article-body h2 {
            font-size: 1.65rem;
            font-weight: 700;
            margin: 2.2rem 0 1.2rem;
            color: var(--secondary);
            padding-bottom: 10px;
            border-bottom: 2px solid var(--bg-soft);
            line-height: 1.4;
        }

        .article-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin: 1.8rem 0 1rem;
            color: var(--secondary);
            line-height: 1.4;
        }

        .article-body ul,
        .article-body ol {
            padding-left: 1.6rem;
            margin-bottom: 1.5rem;
        }

        .article-body ul li {
            list-style: disc;
            margin-bottom: 0.5rem;
        }

        .article-body ol li {
            list-style: decimal;
            margin-bottom: 0.5rem;
        }

        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(200, 16, 46, 0.05);
            padding: 18px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.8rem 0;
            color: var(--text-light);
            font-style: normal;
        }

        .article-body blockquote p {
            margin-bottom: 0;
        }

        .article-body img {
            border-radius: 14px;
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }

        .article-body a {
            color: var(--primary);
            border-bottom: 1px solid rgba(200, 16, 46, 0.3);
            font-weight: 500;
        }

        .article-body a:hover {
            border-bottom-color: var(--primary);
        }

        .article-body code {
            background: var(--bg-soft);
            padding: 2px 8px;
            border-radius: 6px;
            font-size: 0.9em;
        }

        .article-share {
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
            display: flex;
            align-items: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        .article-share span {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-light);
        }

        .share-btn {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            border: 1px solid var(--border);
            background: var(--white);
            color: var(--text-light);
            font-size: 15px;
            transition: var(--transition);
        }

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

        .error-box {
            background: var(--white);
            border-radius: var(--radius);
            padding: 80px 40px;
            text-align: center;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .error-box .error-icon {
            width: 88px;
            height: 88px;
            margin: 0 auto 28px;
            border-radius: 50%;
            background: rgba(200, 16, 46, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 36px;
            color: var(--primary);
        }

        .error-box h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--secondary);
        }

        .error-box p {
            color: var(--muted);
            margin-bottom: 32px;
        }

        .sidebar {
            position: sticky;
            top: calc(var(--header-h) + 20px);
        }

        .widget {
            background: var(--white);
            border-radius: var(--radius);
            padding: 26px;
            margin-bottom: 22px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
        }

        .widget-title {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 17px;
            font-weight: 700;
            color: var(--secondary);
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--bg-soft);
        }

        .widget-title i {
            color: var(--primary);
            font-size: 16px;
        }

        .widget-cats {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .widget-cats a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-light);
            font-size: 14px;
            font-weight: 500;
            background: var(--bg-soft);
            transition: var(--transition);
        }

        .widget-cats a i {
            font-size: 12px;
            color: var(--muted);
            transition: var(--transition);
        }

        .widget-cats a:hover {
            background: rgba(200, 16, 46, 0.07);
            color: var(--primary);
            transform: translateX(4px);
        }

        .widget-cats a:hover i {
            color: var(--primary);
            transform: translateX(4px);
        }

        .sidebar-post-item {
            display: flex;
            gap: 14px;
            padding: 14px 0;
            border-bottom: 1px solid var(--bg-soft);
            transition: var(--transition);
        }

        .sidebar-post-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .sidebar-post-item:hover {
            padding-left: 6px;
        }

        .sidebar-post-img {
            flex-shrink: 0;
            width: 76px;
            height: 56px;
            border-radius: 8px;
            object-fit: cover;
            overflow: hidden;
        }

        .sidebar-post-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .sidebar-post-body {
            flex: 1;
            min-width: 0;
        }

        .sidebar-post-body h4 {
            font-size: 13.5px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            color: var(--text);
            transition: var(--transition);
        }

        .sidebar-post-body h4:hover {
            color: var(--primary);
        }

        .sidebar-post-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 12px;
            color: var(--muted);
        }

        .sidebar-post-meta i {
            font-size: 11px;
        }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light));
            color: #fff;
            border: none;
        }

        .sidebar-cta .widget-title {
            color: #fff;
            border-bottom-color: rgba(255, 255, 255, 0.15);
        }

        .sidebar-cta .widget-title i {
            color: var(--accent);
        }

        .sidebar-cta p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 20px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border: 1px solid transparent;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 600;
            padding: 13px 24px;
            transition: var(--transition);
            cursor: pointer;
            line-height: 1.4;
            text-decoration: none;
        }

        .btn:focus-visible {
            outline: 3px solid rgba(200, 16, 46, 0.3);
            outline-offset: 2px;
        }

        .btn-solid {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            box-shadow: 0 4px 18px rgba(200, 16, 46, 0.3);
        }

        .btn-solid:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(200, 16, 46, 0.4);
            color: #fff;
        }

        .btn-light {
            background: rgba(255, 255, 255, 0.15);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.35);
            backdrop-filter: blur(4px);
        }

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

        .btn-outline {
            background: transparent;
            color: var(--secondary);
            border-color: var(--secondary);
        }

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

        .related-section {
            padding: 55px 0 30px;
        }

        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 40px;
        }

        .section-subtitle {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 16, 46, 0.08);
            color: var(--primary);
            padding: 7px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(26px, 3vw, 36px);
            font-weight: 800;
            color: var(--secondary);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-desc {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .post-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 22px;
        }

        .post-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .post-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(200, 16, 46, 0.2);
        }

        .post-thumb {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }

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

        .post-thumb .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(200, 16, 46, 0.92);
            color: #fff;
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            z-index: 2;
        }

        .post-info {
            padding: 20px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .post-info h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.55;
            margin-bottom: 10px;
            color: var(--text);
            transition: var(--transition);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-info h3:hover {
            color: var(--primary);
        }

        .post-info p {
            font-size: 13.5px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .post-meta {
            margin-top: auto;
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 12.5px;
            color: var(--muted);
            padding-top: 14px;
            border-top: 1px solid var(--bg-soft);
        }

        .post-meta span {
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }

        .post-meta i {
            font-size: 11px;
        }

        .empty-posts {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px;
            background: var(--white);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
            color: var(--muted);
        }

        .faq-section {
            padding: 55px 0 40px;
            background: linear-gradient(180deg, var(--bg) 0%, #fff 100%);
        }

        .faq-layout {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: 14px;
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.is-active {
            border-color: rgba(200, 16, 46, 0.25);
            box-shadow: 0 8px 24px rgba(200, 16, 46, 0.06);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            background: none;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            text-align: left;
            transition: var(--transition);
        }

        .faq-question:hover {
            color: var(--primary);
        }

        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--bg-soft);
            color: var(--primary);
            font-size: 13px;
            transition: var(--transition);
        }

        .faq-item.is-active .faq-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 22px;
            color: var(--text-light);
            font-size: 14.5px;
            line-height: 1.85;
            border-top: 1px dashed var(--border);
            padding-top: 18px;
            margin-top: 2px;
        }

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

        .cta-box {
            position: relative;
            padding: 60px 50px;
            border-radius: 24px;
            background: linear-gradient(135deg, var(--secondary), var(--secondary-light)), url("/assets/images/backpic/back-2.png") center / cover no-repeat;
            background-blend-mode: overlay;
            color: #fff;
            overflow: hidden;
            text-align: center;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(200, 16, 46, 0.35);
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: -30px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.22);
        }

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

        .cta-box h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-box p {
            font-size: 15.5px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto 30px;
        }

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

        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.8);
            padding: 55px 0 0;
        }

        .footer-main {
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 18px;
        }

        .footer-brand .brand-icon {
            background: linear-gradient(135deg, var(--primary), var(--accent));
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 20px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.65);
            max-width: 360px;
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.8);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h4::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 3px;
            border-radius: 3px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .footer-links li {
            margin-bottom: 11px;
        }

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

        .footer-links a:hover {
            color: #fff;
            padding-left: 5px;
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom p {
            margin-bottom: 0;
        }

        @media (max-width: 1024px) {
            .post-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 900px) {
            .main-nav {
                position: fixed;
                top: var(--header-h);
                left: 16px;
                right: 16px;
                flex-direction: column;
                align-items: stretch;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid var(--border);
                border-radius: 16px;
                box-shadow: 0 24px 60px rgba(0, 0, 0, 0.16);
                padding: 18px;
                gap: 10px;
                display: none;
                margin: 0;
                z-index: 999;
            }

            .main-nav.is-open {
                display: flex;
            }

            .nav-link {
                padding: 13px 18px;
                font-size: 15px;
            }

            .nav-actions {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .article-main {
                padding: 30px 26px;
            }

            .sidebar {
                position: static;
                margin-top: 30px;
            }

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

            .cta-box {
                padding: 44px 28px;
            }
        }

        @media (max-width: 768px) {
            .article-hero {
                padding-top: calc(var(--header-h) + 40px);
                padding-bottom: 46px;
            }

            .article-hero h1 {
                font-size: 26px;
            }

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

            .article-main-section {
                padding: 30px 0 20px;
            }

            .article-main {
                padding: 24px 20px;
                border-radius: 14px;
            }

            .article-body {
                font-size: 1rem;
                line-height: 1.9;
            }

            .article-body h2 {
                font-size: 1.4rem;
            }

            .article-body h3 {
                font-size: 1.15rem;
            }
        }

        @media (max-width: 520px) {
            .brand-text {
                font-size: 17px;
            }

            .brand-icon {
                width: 38px;
                height: 38px;
                font-size: 16px;
            }

            .nav-wrap {
                height: 68px;
            }

            :root {
                --header-h: 68px;
            }

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

            .article-hero-meta .badge {
                font-size: 12px;
                padding: 5px 12px;
            }

            .meta-item {
                font-size: 12.5px;
            }

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

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

            .faq-question {
                padding: 16px 18px;
                font-size: 14.5px;
            }

            .faq-answer-inner {
                padding: 0 18px 18px;
            }

            .widget {
                padding: 20px;
            }

            .sidebar-post-img {
                width: 68px;
                height: 50px;
            }

            .footer-main {
                padding-bottom: 30px;
            }

            .site-footer h4 {
                margin-top: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #0b4a9a;
            --color-primary-light: #1a6dd4;
            --color-primary-dark: #0a3a78;
            --color-accent: #e9b43c;
            --color-accent-soft: #fff7e0;
            --color-bg: #f4f6fa;
            --color-surface: #ffffff;
            --color-text: #182638;
            --color-text-weak: #61718a;
            --color-border: #e1e8f1;
            --color-dark: #0d1830;
            --color-dark-soft: #14223e;
            --radius-sm: 10px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 10px rgba(15, 23, 42, .06);
            --shadow-md: 0 10px 30px rgba(15, 23, 42, .09);
            --shadow-lg: 0 24px 60px rgba(15, 23, 42, .14);
            --space-xs: 8px;
            --space-sm: 16px;
            --space-md: 28px;
            --space-lg: 56px;
            --space-xl: 90px;
            --font-base: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            --ease: cubic-bezier(.4, 0, .2, 1);
        }

        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: var(--font-base);
            background: var(--color-bg);
            color: var(--color-text);
            line-height: 1.72;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: color .25s ease, opacity .25s ease; }
        ul, ol { list-style: none; }
        a:focus-visible, button:focus-visible {
            outline: 3px solid rgba(26, 109, 212, .55);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .grid-container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: 999px;
            padding: 12px 26px;
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            border: 2px solid transparent;
            cursor: pointer;
            transition: transform .3s var(--ease), box-shadow .3s var(--ease), background .3s var(--ease), color .3s var(--ease), border-color .3s var(--ease);
        }
        .btn i { font-size: 14px; }
        .btn-solid {
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            box-shadow: 0 8px 24px rgba(11, 74, 154, .25);
        }
        .btn-solid:hover { transform: translateY(-3px); box-shadow: 0 14px 34px rgba(11, 74, 154, .34); color: #fff; }
        .btn-solid:active { transform: translateY(-1px); box-shadow: 0 6px 16px rgba(11, 74, 154, .3); }
        .btn-ghost-soft {
            border-color: rgba(255, 255, 255, .7);
            color: #fff;
            background: rgba(255, 255, 255, .12);
            backdrop-filter: blur(6px);
        }
        .btn-ghost-soft:hover { background: rgba(255, 255, 255, .24); color: #fff; transform: translateY(-2px); }
        .btn-dark { background: var(--color-dark-soft); color: #fff; }
        .btn-dark:hover { background: var(--color-primary-dark); color: #fff; transform: translateY(-3px); box-shadow: 0 12px 28px rgba(13, 24, 48, .25); }
        .btn-nav-ghost {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 18px;
            border: 1.5px solid rgba(24, 38, 56, .15);
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            transition: all .3s var(--ease);
        }
        .btn-nav-ghost:hover { border-color: var(--color-primary); color: var(--color-primary); background: rgba(11, 74, 154, .05); }
        .btn-nav-solid {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 9px 20px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            box-shadow: 0 4px 14px rgba(11, 74, 154, .22);
            transition: all .3s var(--ease);
        }
        .btn-nav-solid:hover { transform: translateY(-2px); box-shadow: 0 8px 22px rgba(11, 74, 154, .32); color: #fff; }

        /* ===== 顶部导航 / 玻璃沉浸 ===== */
        .site-header {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .56);
            backdrop-filter: blur(18px) saturate(160%);
            -webkit-backdrop-filter: blur(18px) saturate(160%);
            border-bottom: 1px solid rgba(255, 255, 255, .28);
            box-shadow: 0 2px 24px rgba(15, 23, 42, .05);
            transition: background .4s ease, box-shadow .4s ease, border-color .4s ease;
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, .92);
            box-shadow: 0 6px 30px rgba(15, 23, 42, .1);
            border-bottom-color: rgba(225, 232, 241, .9);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 76px;
            gap: 20px;
        }
        .brand { flex-shrink: 0; }
        .brand-link, .footer-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            letter-spacing: .3px;
            color: var(--color-text);
        }
        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
            color: #fff;
            font-size: 16px;
            box-shadow: 0 6px 16px rgba(11, 74, 154, .3);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            padding: 9px 16px;
            border-radius: 999px;
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text);
            transition: background .3s ease, color .3s ease;
        }
        .nav-link:hover { background: rgba(11, 74, 154, .07); color: var(--color-primary); }
        .nav-link.is-active { background: rgba(11, 74, 154, .1); color: var(--color-primary); font-weight: 600; }
        .nav-actions { display: flex; align-items: center; gap: 10px; }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: none;
            border-radius: 12px;
            background: rgba(11, 74, 154, .06);
            cursor: pointer;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            transition: background .3s ease;
        }
        .nav-toggle span {
            width: 20px;
            height: 2px;
            background: var(--color-text);
            border-radius: 4px;
            transition: transform .3s ease, opacity .3s ease;
        }
        .nav-toggle.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
        .nav-toggle.active span:nth-child(2) { opacity: 0; }
        .nav-toggle.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

        /* ===== Hero ===== */
        .news-hero {
            position: relative;
            padding: 190px 0 100px;
            background: linear-gradient(100deg, rgba(8, 18, 38, .88) 0%, rgba(8, 18, 38, .62) 50%, rgba(8, 18, 38, .38) 100%), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }
        .news-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            top: 50%;
            transform: translateY(-50%);
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(233, 180, 60, .22), transparent 70%);
            pointer-events: none;
        }
        .hero-inner { position: relative; z-index: 2; max-width: 780px; }
        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            background: rgba(233, 180, 60, .14);
            border: 1px solid rgba(233, 180, 60, .35);
            padding: 7px 18px;
            border-radius: 999px;
            margin-bottom: 22px;
            letter-spacing: .4px;
        }
        .news-hero h1 {
            font-size: 46px;
            line-height: 1.25;
            font-weight: 800;
            color: #fff;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }
        .news-hero h1 span { color: var(--color-accent); }
        .news-hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, .82);
            max-width: 620px;
            margin-bottom: 32px;
        }
        .hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
        .hero-stats-row {
            display: flex;
            gap: 34px;
            flex-wrap: wrap;
            margin-top: 50px;
        }
        .hero-stat { display: flex; flex-direction: column; gap: 2px; }
        .hero-stat strong { font-size: 30px; font-weight: 800; color: #fff; }
        .hero-stat span { font-size: 13px; color: rgba(255, 255, 255, .7); letter-spacing: .3px; }

        /* ===== 名片区块 ===== */
        .section-block { padding: 80px 0; }
        .section-block-alt { background: #fff; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 44px;
        }
        .section-head-content { max-width: 640px; }
        .section-kicker {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.2px;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-text);
            margin-bottom: 10px;
        }
        .section-desc { font-size: 16px; color: var(--color-text-weak); }
        .section-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            font-size: 14px;
            color: var(--color-primary);
            border: 1.5px solid rgba(11, 74, 154, .25);
            padding: 10px 20px;
            border-radius: 999px;
            background: #fff;
            transition: background .3s ease, border-color .3s ease, transform .3s ease;
        }
        .section-more:hover { background: rgba(11, 74, 154, .06); border-color: var(--color-primary); transform: translateX(4px); }

        /* ===== 成就/badge ===== */
        .topic-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: center;
        }
        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 999px;
            background: #fff;
            border: 1px solid var(--color-border);
            font-size: 15px;
            font-weight: 500;
            box-shadow: var(--shadow-sm);
            transition: all .3s var(--ease);
        }
        .topic-tag i { color: var(--color-accent); font-size: 15px; }
        .topic-tag:hover { border-color: var(--color-primary); color: var(--color-primary); transform: translateY(-3px); box-shadow: var(--shadow-md); }
        .topic-tag.hot { background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light)); color: #fff; border-color: transparent; }
        .topic-tag.hot i { color: var(--color-accent); }

        /* ===== 资讯卡片 ===== */
        .news-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: transform .4s var(--ease), box-shadow .4s var(--ease), border-color .4s ease;
        }
        .news-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); border-color: rgba(11, 74, 154, .18); }
        .news-card-cover { position: relative; overflow: hidden; aspect-ratio: 16 / 10; }
        .news-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
        .news-card:hover .news-card-cover img { transform: scale(1.06); }
        .news-card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            border-radius: 6px;
            font-size: 12px;
            font-weight: 700;
            color: #fff;
            background: rgba(11, 74, 154, .82);
            backdrop-filter: blur(4px);
            box-shadow: 0 4px 10px rgba(0, 0, 0, .14);
        }
        .news-card-badge.is-hot { background: rgba(233, 180, 60, .92); color: #152238; }
        .news-card-body { padding: 22px 24px 20px; flex: 1; display: flex; flex-direction: column; }
        .news-card-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .news-card-tag::before { content: ''; width: 6px; height: 6px; border-radius: 50%; background: var(--color-accent); }
        .news-card-body h3 { font-size: 18px; line-height: 1.5; font-weight: 700; margin-bottom: 10px; color: var(--color-text); }
        .news-card-body p { font-size: 14.5px; color: var(--color-text-weak); flex: 1; margin-bottom: 16px; }
        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: #8a97a9;
            border-top: 1px solid #f0f3f8;
            padding-top: 14px;
        }
        .news-card-meta i { font-size: 13px; margin-right: 4px; }

        /* ===== 数据统计 ===== */
        .stats-section {
            background: linear-gradient(125deg, var(--color-dark), var(--color-dark-soft));
            color: #fff;
            padding: 70px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-section::before {
            content: '';
            position: absolute;
            left: -100px;
            top: -100px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(233, 180, 60, .18), transparent 70%);
        }
        .stats-grid { position: relative; z-index: 2; }
        .stat-card {
            text-align: center;
            padding: 34px 20px;
            border-radius: var(--radius-md);
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .08);
            backdrop-filter: blur(6px);
            transition: transform .35s ease, background .35s ease;
        }
        .stat-card:hover { transform: translateY(-6px); background: rgba(255, 255, 255, .1); }
        .stat-icon {
            width: 52px;
            height: 52px;
            border-radius: 18px;
            background: linear-gradient(135deg, var(--color-accent), #f3c769);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-dark);
            margin-bottom: 16px;
            box-shadow: 0 8px 20px rgba(233, 180, 60, .35);
        }
        .stat-card .num { font-size: 42px; font-weight: 800; line-height: 1.1; color: #fff; }
        .stat-card .label { font-size: 14px; color: rgba(255, 255, 255, .65); margin-top: 6px; }

        /* ===== 焦点对决 ===== */
        .feature-block {
            display: flex;
            gap: 44px;
            align-items: center;
            margin-bottom: 70px;
        }
        .feature-block:last-child { margin-bottom: 0; }
        .feature-media {
            flex: 0 0 46%;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }
        .feature-media img { width: 100%; aspect-ratio: 4 / 3; object-fit: cover; transition: transform .6s ease; }
        .feature-block:hover .feature-media img { transform: scale(1.04); }
        .feature-content { flex: 1; }
        .feature-tag {
            display: inline-block;
            background: var(--color-accent-soft);
            color: #c0840c;
            font-size: 13px;
            font-weight: 700;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }
        .feature-content h3 { font-size: 26px; line-height: 1.4; font-weight: 800; margin-bottom: 14px; color: var(--color-text); }
        .feature-content p { font-size: 15px; color: var(--color-text-weak); margin-bottom: 20px; line-height: 1.85; }
        .feature-list { margin-bottom: 20px; }
        .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 500;
            padding: 6px 0;
            color: var(--color-text);
        }
        .feature-list li i { color: var(--color-primary); font-size: 14px; width: 20px; text-align: center; }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 600;
            color: var(--color-primary);
            font-size: 15px;
            border-bottom: 2px solid rgba(11, 74, 154, .2);
            padding-bottom: 2px;
            transition: border-color .3s ease, color .3s ease, gap .3s ease;
        }
        .feature-link:hover { color: var(--color-primary-light); border-color: var(--color-primary); gap: 12px; }

        /* ===== 时间线 ===== */
        .timeline-section { background: #fff; border-top: 1px solid var(--color-border); border-bottom: 1px solid var(--color-border); }
        .timeline-list { position: relative; max-width: 860px; margin: 0 auto; padding-left: 30px; }
        .timeline-list::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 16px;
            bottom: 16px;
            width: 3px;
            background: linear-gradient(180deg, var(--color-primary), var(--color-accent));
            border-radius: 4px;
            opacity: .2;
        }
        .timeline-item {
            position: relative;
            padding: 22px 24px;
            margin-bottom: 22px;
            background: var(--color-bg);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: transform .3s ease, box-shadow .3s ease, border-color .3s ease;
        }
        .timeline-item:hover { transform: translateX(6px); box-shadow: var(--shadow-md); border-color: rgba(11, 74, 154, .2); }
        .timeline-item::before {
            content: '';
            position: absolute;
            left: -28px;
            top: 34px;
            width: 11px;
            height: 11px;
            border-radius: 50%;
            background: var(--color-accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--color-accent);
        }
        .timeline-time { font-size: 20px; font-weight: 800; color: var(--color-primary); white-space: nowrap; }
        .timeline-content { flex: 1; }
        .timeline-content h4 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
        .timeline-content p { font-size: 14px; color: var(--color-text-weak); }
        .timeline-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: #fff;
            background: var(--color-primary-light);
            border-radius: 6px;
            padding: 4px 12px;
            margin-bottom: 8px;
        }

        /* ===== FAQ ===== */
        .faq-section { background: var(--color-bg); }
        .faq-wrap { max-width: 860px; margin: 0 auto; }
        .faq-item {
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: border-color .3s, box-shadow .3s;
        }
        .faq-item.is-active { border-color: rgba(11, 74, 154, .3); box-shadow: var(--shadow-md); }
        .faq-question {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            user-select: none;
        }
        .faq-question .faq-icon {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--color-accent-soft);
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            font-weight: 700;
            transition: transform .35s ease, background .35s ease, color .35s ease;
        }
        .faq-item.is-active .faq-icon { transform: rotate(45deg); background: var(--color-primary); color: #fff; }
        .faq-question .faq-qmark {
            flex-shrink: 0;
            width: 30px;
            height: 30px;
            border-radius: 10px;
            background: rgba(11, 74, 154, .08);
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 800;
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s var(--ease), padding .4s var(--ease), opacity .35s ease;
            opacity: 0;
            padding: 0 24px;
        }
        .faq-item.is-active .faq-answer { max-height: 420px; opacity: 1; padding: 0 24px 22px 70px; }
        .faq-answer p { font-size: 14.5px; color: var(--color-text-weak); line-height: 1.85; }
        .faq-answer p strong { color: var(--color-text); }
        .faq-bottom { text-align: center; margin-top: 34px; }
        .faq-bottom a {
            font-weight: 600;
            color: var(--color-primary);
            border-bottom: 2px solid rgba(11, 74, 154, .2);
            padding-bottom: 2px;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background: url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            position: relative;
            color: #fff;
            border-radius: 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(105deg, rgba(11, 28, 60, .82), rgba(11, 74, 154, .55), rgba(233, 180, 60, .25));
        }
        .cta-inner { position: relative; z-index: 2; text-align: center; max-width: 640px; margin: 0 auto; }
        .cta-inner h2 { font-size: 36px; font-weight: 800; margin-bottom: 16px; color: #fff; }
        .cta-inner p { font-size: 17px; color: rgba(255, 255, 255, .85); margin-bottom: 28px; }
        .cta-actions { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--color-dark);
            color: #b8c4d4;
            padding: 64px 0 30px;
        }
        .footer-brand { margin-bottom: 20px; }
        .footer-brand .brand-text { color: #fff; font-size: 22px; }
        .footer-brand .brand-icon {
            width: 42px;
            height: 42px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--color-accent), #f3c769);
            color: var(--color-dark);
            font-size: 18px;
            box-shadow: 0 8px 20px rgba(233, 180, 60, .25);
        }
        .footer-main { padding-bottom: 40px; margin-bottom: 30px; border-bottom: 1px solid rgba(255, 255, 255, .08); }
        .footer-desc { font-size: 14px; line-height: 1.9; color: rgba(255, 255, 255, .6); max-width: 340px; margin-bottom: 22px; }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 12px;
            background: rgba(255, 255, 255, .08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            transition: background .3s ease, transform .3s ease, color .3s ease;
        }
        .footer-social a:hover { background: var(--color-accent); color: var(--color-dark); transform: translateY(-3px); }
        .site-footer h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 20px;
            letter-spacing: .5px;
        }
        .footer-links li { margin-bottom: 10px; }
        .footer-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, .65);
            transition: color .3s ease, padding-left .3s ease;
        }
        .footer-links a::before { content: '› '; color: var(--color-accent); margin-right: 2px; }
        .footer-links a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom { text-align: center; }
        .footer-bottom p { font-size: 13px; color: rgba(255, 255, 255, .4); }

        /* ===== 动画 ===== */
        @keyframes fadeUp {
            from { opacity: 0; transform: translateY(30px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-in { animation: fadeUp .7s var(--ease) both; }

        /* ===== 响应式 ===== */
        @media screen and (max-width: 1024px) {
            .nav-wrap { gap: 12px; }
            .nav-actions .btn-nav-ghost { display: none; }
            .news-hero h1 { font-size: 38px; }
            .section-title { font-size: 28px; }
            .feature-block { gap: 30px; flex-direction: column; }
            .feature-media { flex: none; width: 100%; max-width: 640px; }
            .feature-content { width: 100%; }
            .news-card-body { padding: 18px 18px 16px; }
        }
        @media screen and (max-width: 768px) {
            .nav-wrap { min-height: 68px; flex-wrap: nowrap; }
            .main-nav {
                position: fixed;
                top: 68px;
                left: 12px;
                right: 12px;
                background: rgba(255, 255, 255, .98);
                backdrop-filter: blur(12px);
                border-radius: 18px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--color-border);
                flex-direction: column;
                align-items: stretch;
                padding: 14px;
                gap: 4px;
                opacity: 0;
                visibility: hidden;
                transform: translateY(-12px) scale(.96);
                transition: opacity .35s ease, transform .35s ease, visibility .35s ease;
                z-index: 999;
            }
            .main-nav.open { opacity: 1; visibility: visible; transform: translateY(0) scale(1); }
            .nav-link {
                display: block;
                text-align: center;
                padding: 14px 16px;
                font-size: 15px;
                border-radius: 12px;
            }
            .nav-link.is-active { background: rgba(11, 74, 154, .12); }
            .nav-toggle { display: flex; }
            .nav-actions .btn-nav-solid { display: none; }
            .nav-actions { margin-left: auto; margin-right: 4px; }
            .news-hero { padding: 150px 0 64px; }
            .news-hero h1 { font-size: 30px; }
            .news-hero p { font-size: 16px; }
            .hero-stats-row { gap: 24px; margin-top: 36px; }
            .hero-stat strong { font-size: 24px; }
            .section-block { padding: 56px 0; }
            .section-title { font-size: 24px; }
            .section-head { margin-bottom: 32px; }
            .stat-card .num { font-size: 32px; }
            .timeline-item { flex-direction: column; gap: 8px; padding: 18px 20px; }
            .timeline-time { font-size: 18px; }
            .cta-inner h2 { font-size: 28px; }
            .faq-answer.is-open, .faq-item.is-active .faq-answer { padding-left: 24px; }
        }
        @media screen and (max-width: 520px) {
            .grid-container { padding-left: 16px; padding-right: 16px; }
            .brand-text { font-size: 17px; }
            .brand-icon { width: 34px; height: 34px; font-size: 14px; border-radius: 10px; }
            .news-hero { padding: 140px 0 56px; }
            .news-hero h1 { font-size: 26px; line-height: 1.35; }
            .hero-actions .btn { width: 100%; }
            .hero-stats-row { gap: 16px; }
            .hero-stat strong { font-size: 22px; }
            .topic-tag { padding: 10px 16px; font-size: 14px; }
            .feature-content h3 { font-size: 21px; }
            .stat-card { padding: 24px 14px; }
            .stat-card .num { font-size: 26px; }
            .stat-icon { width: 44px; height: 44px; font-size: 18px; }
            .faq-question { font-size: 14.5px; padding: 16px 16px; gap: 10px; }
            .faq-answer p { font-size: 13.5px; }
            .footer-main .cell { margin-bottom: 28px; }
            .cta-inner h2 { font-size: 24px; }
        }