/* roulang page: index */
/* ============ 设计变量 ============ */
        :root {
            --primary: #0e4d92;
            --primary-dark: #083a6e;
            --primary-light: #216fbe;
            --accent: #d9a441;
            --accent-light: #e8bc63;
            --bg-body: #f5f7fb;
            --bg-white: #ffffff;
            --bg-deep: #0b1f33;
            --text-main: #1a2b3c;
            --text-weak: #6b7c8d;
            --text-light: #aab9c8;
            --border: #e3e8ef;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 12px 30px rgba(14, 77, 146, 0.10);
            --shadow-lg: 0 18px 44px rgba(14, 77, 146, 0.16);
            --transition: all 0.3s ease;
            --header-h: 78px;
            --section-gap: 96px;
        }

        /* ============ 基础 Reset ============ */
        *,
        *::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", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            letter-spacing: 0.01em;
            overflow-x: hidden;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

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

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

        .row {
            max-width: 1200px;
        }

        .row .columns {
            padding: 0 15px;
        }

        /* ============ 通用板块 ============ */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-head {
            max-width: 720px;
            margin: 0 auto 56px;
            text-align: center;
        }

        .section-tag {
            display: inline-block;
            background: rgba(14, 77, 146, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 2px;
            padding: 6px 18px;
            border-radius: 30px;
            margin-bottom: 16px;
        }

        .section-head h2 {
            font-size: 34px;
            line-height: 1.3;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -0.02em;
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--text-weak);
            font-size: 17px;
            line-height: 1.7;
        }

        /* ============ 按钮 ============ */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 15px;
            line-height: 1;
            cursor: pointer;
            border: 2px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn i {
            font-size: 14px;
            transition: transform 0.3s ease;
        }

        .btn:hover i {
            transform: translateX(4px);
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(14, 77, 146, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(14, 77, 146, 0.32);
            color: #fff;
        }

        .btn-ghost {
            background: rgba(255, 255, 255, 0.14);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.45);
            backdrop-filter: blur(6px);
        }

        .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.26);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.8);
            transform: translateY(-3px);
        }

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

        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(14, 77, 146, 0.22);
        }

        .btn-light {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.14);
        }

        .btn-light:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 30px rgba(0, 0, 0, 0.18);
        }

        /* ============ 导航 ============ */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
            transition: var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            border-bottom-color: rgba(14, 77, 146, 0.08);
            box-shadow: 0 4px 24px rgba(14, 77, 146, 0.08);
        }

        .header-inner {
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

        .brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
            line-height: 1.2;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
            z-index: 2;
        }

        .brand::before {
            content: "";
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), #f0c878);
            display: inline-block;
            flex-shrink: 0;
            box-shadow: 0 4px 14px rgba(217, 164, 65, 0.4);
        }

        .site-header.scrolled .brand {
            color: var(--text-main);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            color: rgba(255, 255, 255, 0.9);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 2px;
            position: relative;
            transition: var(--transition);
            white-space: nowrap;
        }

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

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

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-link.active {
            color: var(--accent-light);
            font-weight: 600;
        }

        .site-header.scrolled .nav-link {
            color: var(--text-main);
        }

        .site-header.scrolled .nav-link:hover,
        .site-header.scrolled .nav-link.active {
            color: var(--primary);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            border-radius: 50px;
            background: var(--accent);
            color: #1a2b3c;
            font-size: 14px;
            font-weight: 700;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(217, 164, 65, 0.35);
        }

        .nav-cta:hover {
            background: var(--accent-light);
            color: #1a2b3c;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(217, 164, 65, 0.45);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            width: 42px;
            height: 42px;
            justify-content: center;
            align-items: center;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 8px;
            cursor: pointer;
            transition: var(--transition);
            z-index: 2;
        }

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

        .site-header.scrolled .nav-toggle {
            background: rgba(14, 77, 146, 0.08);
            border-color: rgba(14, 77, 146, 0.15);
        }

        .site-header.scrolled .nav-toggle span {
            background: var(--text-main);
        }

        /* ============ Hero ============ */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--header-h);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            z-index: -2;
            animation: heroZoom 18s ease infinite alternate;
        }

        @keyframes heroZoom {
            0% {
                transform: scale(1);
            }
            100% {
                transform: scale(1.08);
            }
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(75deg, rgba(6, 28, 52, 0.84) 0%, rgba(14, 77, 146, 0.55) 60%, rgba(10, 32, 58, 0.4) 100%);
            z-index: -1;
        }

        .hero-pattern {
            position: absolute;
            right: -10%;
            bottom: -20%;
            width: 520px;
            height: 520px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(217, 164, 65, 0.24) 0%, transparent 70%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 80px 24px 60px;
            text-align: center;
            width: 100%;
        }

        .hero-badge {
            display: inline-block;
            background: rgba(217, 164, 65, 0.18);
            border: 1px solid rgba(217, 164, 65, 0.4);
            color: #f0d08a;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            padding: 8px 22px;
            border-radius: 50px;
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }

        .hero-content h1 {
            font-size: clamp(34px, 6vw, 62px);
            font-weight: 900;
            color: #fff;
            line-height: 1.15;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.2);
        }

        .hero-content .hero-sub {
            max-width: 640px;
            margin: 0 auto 36px;
            color: rgba(255, 255, 255, 0.85);
            font-size: 17px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 18px;
            flex-wrap: wrap;
            margin-bottom: 56px;
        }

        .hero-info {
            max-width: 760px;
            margin: 0 auto;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(18px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 24px;
            padding: 28px 36px;
            display: flex;
            justify-content: center;
            gap: 48px;
            flex-wrap: wrap;
            box-shadow: 0 20px 50px rgba(0, 0, 0, 0.18);
        }

        .hero-info-item {
            text-align: center;
            color: #fff;
            min-width: 100px;
        }

        .hero-info-item i {
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 8px;
            display: block;
        }

        .hero-info-item span {
            display: block;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 4px;
        }

        .hero-info-item strong {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
        }

        /* ============ Welcome ============ */
        .welcome {
            background: var(--bg-white);
        }

        .welcome-grid {
            align-items: center;
        }

        .welcome-grid .columns {
            padding: 0 20px;
        }

        .welcome-img {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .welcome-img img {
            width: 100%;
            min-height: 320px;
            object-fit: cover;
        }

        .welcome-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(14, 77, 146, 0.15), transparent);
        }

        .welcome-content {
            padding: 20px 8px;
        }

        .welcome-content h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--text-main);
            line-height: 1.35;
            margin-bottom: 18px;
        }

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

        .welcome-content ul {
            margin-bottom: 30px;
        }

        .welcome-content ul li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            font-size: 15px;
            color: var(--text-main);
        }

        .welcome-content ul li i {
            color: var(--accent);
            font-size: 18px;
        }

        /* ============ Categories ============ */
        .categories {
            background: linear-gradient(180deg, #f5f7fb 0%, #eef2f8 100%);
        }

        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .category-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            display: block;
            color: var(--text-main);
            border: 1px solid var(--border);
        }

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

        .category-card-img {
            height: 210px;
            overflow: hidden;
            position: relative;
        }

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

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

        .category-card-body {
            padding: 28px;
            position: relative;
        }

        .category-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
            box-shadow: 0 6px 16px rgba(14, 77, 146, 0.28);
        }

        .category-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .category-card p {
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        .category-link {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

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

        .category-card-alt {
            background: linear-gradient(135deg, var(--bg-deep), #102a44);
            border: none;
            color: #fff;
            display: flex;
            flex-direction: column;
            justify-content: center;
            min-height: 210px;
        }

        .category-card-alt .category-icon {
            background: rgba(255, 255, 255, 0.12);
            color: var(--accent);
            box-shadow: none;
        }

        .category-card-alt h3 {
            color: #fff;
        }

        .category-card-alt p {
            color: rgba(255, 255, 255, 0.72);
        }

        .category-card-alt .category-link {
            color: var(--accent-light);
        }

        /* ============ News ============ */
        .news {
            background: var(--bg-white);
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 30px;
            display: block;
            color: var(--text-main);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .news-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), var(--primary));
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

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

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

        .news-card-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .news-cat {
            background: rgba(14, 77, 146, 0.08);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
        }

        .news-date {
            font-size: 13px;
            color: var(--text-weak);
        }

        .news-card h3 {
            font-size: 19px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--text-main);
            transition: var(--transition);
        }

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

        .news-card p {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-more {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }

        .news-card:hover .news-more {
            color: var(--accent);
            gap: 10px;
        }

        .news-empty {
            grid-column: 1 / -1;
            background: #f8fafc;
            border: 1px dashed var(--border);
            border-radius: var(--radius);
            text-align: center;
            padding: 60px 24px;
            color: var(--text-weak);
            font-size: 16px;
        }

        /* ============ Stats ============ */
        .stats {
            background: linear-gradient(135deg, var(--bg-deep) 0%, #102a44 100%);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }

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

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 1;
        }

        .stats-item {
            text-align: center;
            padding: 36px 20px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .stats-item:hover {
            background: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }

        .stats-item strong {
            display: block;
            font-size: 38px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stats-item span {
            color: rgba(255, 255, 255, 0.78);
            font-size: 14px;
            letter-spacing: 1px;
        }

        /* ============ Process ============ */
        .process {
            background: var(--bg-white);
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 26px;
        }

        .process-step {
            position: relative;
            padding: 34px 26px;
            border-radius: var(--radius);
            background: #f8fafc;
            border: 1px solid var(--border);
            transition: var(--transition);
            text-align: center;
        }

        .process-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(14, 77, 146, 0.15);
        }

        .step-num {
            display: inline-block;
            font-size: 40px;
            font-weight: 900;
            color: transparent;
            -webkit-text-stroke: 2px var(--primary);
            line-height: 1.2;
            margin-bottom: 16px;
        }

        .process-step h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .process-step p {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ============ FAQ ============ */
        .faq {
            background: linear-gradient(180deg, #f5f7fb 0%, #eef2f8 100%);
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .faq-item:hover {
            border-color: rgba(14, 77, 146, 0.25);
            box-shadow: var(--shadow);
        }

        .faq-item summary {
            cursor: pointer;
            padding: 20px 28px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            display: flex;
            align-items: center;
            gap: 12px;
            list-style: none;
            transition: var(--transition);
        }

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

        .faq-item summary::before {
            content: "\f059";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--accent);
            font-size: 20px;
            flex-shrink: 0;
        }

        .faq-item[open] summary {
            border-bottom: 1px solid var(--border);
            background: #fafbfd;
        }

        .faq-item p {
            padding: 20px 28px 24px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
        }

        /* ============ CTA ============ */
        .cta {
            padding: 0;
        }

        .cta-box {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius);
            padding: 60px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            margin: 0 24px;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            right: -40px;
            top: -40px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(217, 164, 65, 0.2);
        }

        .cta-box::after {
            content: "";
            position: absolute;
            left: -60px;
            bottom: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
        }

        .cta-box h2 {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
        }

        .cta-box .btn {
            position: relative;
            z-index: 1;
        }

        /* ============ Footer ============ */
        .site-footer {
            background: var(--bg-deep);
            color: rgba(255, 255, 255, 0.72);
            padding: 64px 0 28px;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.4fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 14px;
        }

        .footer-logo:hover {
            color: var(--accent-light);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 300px;
        }

        .footer-nav h4,
        .footer-contact h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }

        .footer-nav a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            padding: 6px 0;
            transition: var(--transition);
        }

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

        .footer-contact p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
        }

        .footer-bottom {
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

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

        /* ============ 响应式 ============ */
        @media (max-width: 1024px) {
            :root {
                --section-gap: 80px;
            }

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

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 64px;
                --header-h: 68px;
            }

            .container {
                padding: 0 20px;
            }

            .site-header {
                background: rgba(255, 255, 255, 0.92);
                border-bottom-color: rgba(14, 77, 146, 0.08);
                box-shadow: 0 4px 20px rgba(14, 77, 146, 0.06);
            }

            .brand {
                color: var(--text-main);
                font-size: 18px;
            }

            .brand::before {
                width: 32px;
                height: 32px;
            }

            .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 24px 24px 32px;
                gap: 6px;
                box-shadow: 0 16px 40px rgba(14, 77, 146, 0.12);
                transform: translateY(-16px);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-radius: 0 0 16px 16px;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-link {
                color: var(--text-main);
                font-size: 16px;
                padding: 12px 0;
                width: 100%;
                border-bottom: 1px solid #f0f2f5;
            }

            .nav-link:hover,
            .nav-link.active {
                color: var(--primary);
            }

            .nav-link::after {
                display: none;
            }

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

            .nav-toggle {
                display: flex;
            }

            .site-header.scrolled {
                background: rgba(255, 255, 255, 0.96);
            }

            .hero {
                min-height: auto;
                padding-top: var(--header-h);
                padding-bottom: 0;
            }

            .hero-content {
                padding: 70px 20px 50px;
            }

            .hero-content h1 {
                font-size: 36px;
                margin-bottom: 16px;
            }

            .hero-content .hero-sub {
                font-size: 15px;
                margin-bottom: 28px;
            }

            .hero-actions {
                gap: 12px;
                margin-bottom: 40px;
            }

            .hero-actions .btn {
                padding: 13px 22px;
                font-size: 14px;
            }

            .hero-info {
                padding: 20px 16px;
                gap: 18px;
                border-radius: 18px;
                margin: 0 12px;
            }

            .hero-info-item {
                min-width: 70px;
            }

            .hero-info-item i {
                font-size: 20px;
            }

            .hero-info-item strong {
                font-size: 15px;
            }

            .section-head h2 {
                font-size: 27px;
            }

            .section-head p {
                font-size: 15px;
            }

            .welcome-grid .columns {
                padding: 0 8px;
            }

            .welcome-img img {
                min-height: 220px;
            }

            .welcome-content {
                padding: 24px 8px;
            }

            .welcome-content h3 {
                font-size: 23px;
            }

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

            .category-card-img {
                height: 180px;
            }

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

            .news-card {
                padding: 24px;
            }

            .stats {
                padding: 56px 0;
            }

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .stats-item {
                padding: 24px 14px;
            }

            .stats-item strong {
                font-size: 30px;
            }

            .process-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .process-step {
                padding: 24px 18px;
            }

            .cta-box {
                margin: 0 20px;
                padding: 44px 24px;
            }

            .cta-box h2 {
                font-size: 24px;
            }

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

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

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }

            .hero-content {
                padding: 60px 12px 40px;
            }

            .hero-content h1 {
                font-size: 30px;
            }

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

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

            .hero-info {
                flex-direction: column;
                align-items: center;
                gap: 16px;
            }

            .hero-info-item {
                width: 100%;
                text-align: center;
            }

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

            .section-head h2 {
                font-size: 24px;
            }

            .welcome-img img {
                min-height: 190px;
            }

            .category-card-body {
                padding: 22px;
            }

            .news-card h3 {
                font-size: 17px;
            }

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

            .stats-item {
                padding: 20px;
            }

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

            .process-step {
                padding: 26px 22px;
            }

            .faq-item summary {
                padding: 16px 18px;
                font-size: 15px;
            }

            .faq-item p {
                padding: 16px 18px 20px;
                font-size: 14px;
            }

            .cta-box {
                padding: 36px 18px;
            }

            .cta-box h2 {
                font-size: 21px;
            }

            .cta-box p {
                font-size: 14px;
            }
        }

        /* 焦点可访问性 */
        a:focus-visible,
        button:focus-visible,
        summary:focus-visible {
            outline: 3px solid rgba(217, 164, 65, 0.65);
            outline-offset: 3px;
            border-radius: 4px;
        }

/* roulang page: category1 */
:root {
            --primary: #0b2d4a;
            --primary-light: #165a8c;
            --primary-dark: #071e33;
            --accent: #c9a86a;
            --accent-dark: #b08d4f;
            --accent-light: #e5d3a8;
            --bg: #f4f6f9;
            --white: #ffffff;
            --text: #1c2b3a;
            --text-weak: #5f7182;
            --border: #e5eaf0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 8px 30px rgba(11, 45, 74, 0.08);
            --shadow-hover: 0 16px 44px rgba(11, 45, 74, 0.15);
            --transition: all 0.3s ease;
            --header-h: 76px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        a:focus-visible,
        button:focus-visible {
            outline: 3px solid rgba(201, 168, 106, 0.5);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            display: block;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            background: none;
            border: none;
            cursor: pointer;
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        /* ===== Header ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.35);
            box-shadow: 0 4px 20px rgba(11, 45, 74, 0.06);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: 0 6px 28px rgba(11, 45, 74, 0.12);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 24px;
        }
        .brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
            line-height: 1.2;
        }
        .brand:hover {
            color: var(--accent-dark);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-link {
            padding: 10px 18px;
            border-radius: 40px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .nav-link:hover {
            background: rgba(11, 45, 74, 0.06);
            color: var(--primary);
        }
        .nav-link.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(11, 45, 74, 0.25);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 40px;
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: #fff;
            font-size: 0.9rem;
            font-weight: 700;
            box-shadow: 0 6px 20px rgba(176, 141, 79, 0.35);
            transition: var(--transition);
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(176, 141, 79, 0.45);
            color: #fff;
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.6);
            border: 1px solid var(--border);
        }
        .nav-toggle span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 4px;
            transition: var(--transition);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: 170px 0 100px;
            background: linear-gradient(135deg, rgba(7, 30, 51, 0.94), rgba(11, 45, 74, 0.86), rgba(22, 90, 140, 0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            position: relative;
            text-align: center;
        }
        .banner-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            padding: 8px 20px;
            border-radius: 40px;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255, 255, 255, 0.15);
            margin-bottom: 28px;
        }
        .banner-breadcrumb a:hover {
            color: var(--accent-light);
        }
        .banner-breadcrumb i {
            font-size: 0.7rem;
        }
        .page-banner h1 {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 800;
            letter-spacing: 0.02em;
            margin-bottom: 18px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
        }
        .banner-subtitle {
            max-width: 720px;
            margin: 0 auto 36px;
            font-size: 1.08rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.88);
        }
        .banner-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 700;
            border: 2px solid transparent;
            transition: var(--transition);
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            box-shadow: 0 10px 30px rgba(176, 141, 79, 0.4);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 38px rgba(176, 141, 79, 0.5);
            color: #fff;
        }
        .btn-outline {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(4px);
        }
        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: #fff;
            color: #fff;
            transform: translateY(-3px);
        }

        /* ===== Section ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--white);
        }
        .section-dark {
            background: var(--primary-dark);
            color: #fff;
        }
        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 56px;
        }
        .eyebrow {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--accent-dark);
            background: rgba(201, 168, 106, 0.14);
            padding: 6px 16px;
            border-radius: 40px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.3rem);
            font-weight: 800;
            color: var(--primary);
            line-height: 1.35;
            margin-bottom: 14px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--text-weak);
            line-height: 1.8;
        }
        .section-dark .section-title {
            color: #fff;
        }
        .section-dark .section-subtitle {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== Data Cards ===== */
        .data-card {
            background: var(--white);
            border-radius: var(--radius);
            padding: 36px 28px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
        }
        .data-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(201, 168, 106, 0.5);
        }
        .data-number {
            font-size: 3rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
        }
        .data-number span {
            color: var(--accent);
        }
        .data-label {
            font-size: 1rem;
            font-weight: 600;
            margin-top: 12px;
            color: var(--text);
        }
        .data-desc {
            font-size: 0.88rem;
            color: var(--text-weak);
            margin-top: 6px;
            line-height: 1.6;
        }

        /* ===== Topic Cards ===== */
        .topic-card {
            background: var(--white);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .topic-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-hover);
        }
        .topic-media {
            position: relative;
            height: 190px;
            overflow: hidden;
        }
        .topic-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .topic-card:hover .topic-media img {
            transform: scale(1.06);
        }
        .topic-media::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(7, 30, 51, 0.55));
        }
        .topic-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            padding: 5px 14px;
            border-radius: 30px;
            font-size: 0.78rem;
            font-weight: 700;
            background: rgba(255, 255, 255, 0.86);
            color: var(--primary);
            backdrop-filter: blur(6px);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .topic-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .topic-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .topic-desc {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.7;
            flex: 1;
        }
        .topic-keywords {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-top: 18px;
        }
        .topic-keyword {
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 20px;
            background: rgba(11, 45, 74, 0.05);
            color: var(--primary-light);
            border: 1px solid rgba(11, 45, 74, 0.08);
        }

        /* ===== Schedule ===== */
        .schedule-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 40px;
        }
        .schedule-main {
            flex: 1 1 62%;
            min-width: 300px;
        }
        .schedule-side {
            flex: 1 1 32%;
            min-width: 260px;
        }
        .timeline {
            position: relative;
            padding-left: 28px;
        }
        .timeline::before {
            content: "";
            position: absolute;
            left: 7px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: linear-gradient(180deg, var(--accent), var(--primary-light));
            border-radius: 2px;
        }
        .timeline-item {
            position: relative;
            margin-bottom: 30px;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 24px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .timeline-item:hover {
            box-shadow: var(--shadow-hover);
            transform: translateX(4px);
        }
        .timeline-item::before {
            content: "";
            position: absolute;
            left: -29px;
            top: 30px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--accent);
        }
        .timeline-item.done {
            opacity: 0.7;
        }
        .timeline-item.done::before {
            background: var(--text-weak);
            box-shadow: 0 0 0 2px var(--text-weak);
        }
        .tl-head {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 8px;
        }
        .tl-date {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--accent-dark);
            background: rgba(201, 168, 106, 0.12);
            padding: 5px 14px;
            border-radius: 30px;
        }
        .tl-status {
            font-size: 0.78rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 30px;
        }
        .tl-status.upcoming {
            background: rgba(22, 90, 140, 0.1);
            color: var(--primary-light);
        }
        .tl-status.open {
            background: rgba(201, 168, 106, 0.2);
            color: var(--accent-dark);
        }
        .tl-status.pending {
            background: rgba(95, 113, 130, 0.1);
            color: var(--text-weak);
        }
        .timeline-item h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin: 6px 0 4px;
        }
        .tl-meta {
            font-size: 0.85rem;
            color: var(--text-weak);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-top: 6px;
        }
        .tl-meta i {
            color: var(--accent);
            width: 16px;
        }

        /* Sidebar card */
        .side-card {
            background: var(--white);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 36px 30px;
            text-align: center;
            position: sticky;
            top: 100px;
        }
        .side-card-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.4rem;
            box-shadow: 0 8px 24px rgba(176, 141, 79, 0.35);
        }
        .side-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }
        .side-card p {
            font-size: 0.9rem;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 24px;
        }
        .side-card .btn {
            width: 100%;
            justify-content: center;
        }
        .side-card .side-note {
            margin-top: 16px;
            font-size: 0.82rem;
            color: var(--text-weak);
        }

        /* ===== Process ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .process-step {
            position: relative;
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 24px;
            text-align: center;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .process-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .process-step::after {
            content: "→";
            position: absolute;
            top: 50%;
            right: -22px;
            z-index: 2;
            transform: translateY(-50%);
            color: var(--accent);
            font-size: 1.5rem;
            font-weight: 700;
        }
        .process-step:last-child::after {
            display: none;
        }
        .step-num {
            width: 52px;
            height: 52px;
            margin: 0 auto 18px;
            border-radius: 16px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1.3rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(11, 45, 74, 0.25);
        }
        .process-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 0.87rem;
            color: var(--text-weak);
            line-height: 1.7;
        }

        /* ===== Notice ===== */
        .notice-box {
            background: linear-gradient(135deg, rgba(11, 45, 74, 0.97), rgba(22, 90, 140, 0.92));
            border-radius: 24px;
            padding: 48px 48px 40px;
            color: #fff;
            display: flex;
            gap: 44px;
            flex-wrap: wrap;
            align-items: flex-start;
            box-shadow: 0 16px 44px rgba(11, 45, 74, 0.3);
        }
        .notice-head {
            flex: 0 0 220px;
        }
        .notice-head .eyebrow {
            background: rgba(201, 168, 106, 0.2);
            color: var(--accent-light);
        }
        .notice-head h2 {
            font-size: 1.6rem;
            font-weight: 800;
            line-height: 1.4;
        }
        .notice-list {
            flex: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            min-width: 280px;
        }
        .notice-item {
            display: flex;
            gap: 14px;
            background: rgba(255, 255, 255, 0.08);
            border-radius: 14px;
            padding: 18px 20px;
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .notice-item i {
            font-size: 1.1rem;
            color: var(--accent);
            margin-top: 3px;
        }
        .notice-item span {
            font-size: 0.9rem;
            line-height: 1.6;
            color: rgba(255, 255, 255, 0.88);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(201, 168, 106, 0.45);
        }
        .faq-item summary {
            padding: 24px 28px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            align-items: center;
            gap: 14px;
            position: relative;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::before {
            content: "\f059";
            font-family: "Font Awesome 6 Free";
            font-weight: 400;
            color: var(--accent);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .faq-item summary::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 700;
            margin-left: auto;
            font-size: 0.85rem;
            color: var(--text-weak);
            transition: var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-item[open] {
            border-color: rgba(201, 168, 106, 0.5);
            box-shadow: var(--shadow-hover);
        }
        .faq-answer {
            padding: 0 28px 24px 56px;
            font-size: 0.93rem;
            color: var(--text-weak);
            line-height: 1.8;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--white);
        }
        .cta-box {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary) 60%, var(--primary-light));
            border-radius: 28px;
            padding: 64px 60px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(7, 30, 51, 0.4);
        }
        .cta-box::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 240px;
            height: 240px;
            border-radius: 50%;
            background: rgba(201, 168, 106, 0.15);
        }
        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }
        .cta-box h2 {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 800;
            margin-bottom: 16px;
            position: relative;
            z-index: 2;
        }
        .cta-box p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 30px;
            position: relative;
            z-index: 2;
            line-height: 1.8;
        }
        .cta-box .btn {
            position: relative;
            z-index: 2;
        }
        .cta-meta {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 28px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
            position: relative;
            z-index: 2;
        }
        .cta-meta i {
            margin-right: 6px;
            color: var(--accent);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-logo {
            font-size: 1.3rem;
            font-weight: 800;
            color: #fff;
            display: inline-block;
            margin-bottom: 14px;
        }
        .footer-logo:hover {
            color: var(--accent-light);
        }
        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-nav h4,
        .footer-contact h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-nav a {
            display: block;
            padding: 6px 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.65);
        }
        .footer-nav a:hover {
            color: var(--accent-light);
            padding-left: 6px;
        }
        .footer-contact p {
            font-size: 0.9rem;
            line-height: 1.9;
            margin-bottom: 6px;
        }
        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0 28px;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1080px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .process-step::after {
                display: none;
            }
        }
        @media (max-width: 900px) {
            .schedule-wrapper {
                flex-direction: column;
            }
            .side-card {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-inner {
                gap: 12px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                align-items: stretch;
                padding: 18px 24px 28px;
                gap: 10px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 16px 40px rgba(11, 45, 74, 0.12);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: transform 0.35s ease, opacity 0.35s ease;
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-link {
                padding: 14px 18px;
                border-radius: 12px;
            }
            .nav-cta {
                justify-content: center;
                margin-top: 6px;
                padding: 14px 18px;
                border-radius: 12px;
            }
            .section {
                padding: 64px 0;
            }
            .page-banner {
                padding: 140px 0 70px;
            }
            .notice-box {
                padding: 36px 28px;
            }
            .notice-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-box {
                padding: 48px 28px;
            }
        }
        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .process-grid {
                grid-template-columns: 1fr;
            }
            .topic-media {
                height: 160px;
            }
            .banner-actions {
                flex-direction: column;
                align-items: center;
            }
            .btn {
                width: 100%;
                justify-content: center;
            }
            .brand {
                font-size: 1.12rem;
            }
            .timeline-item {
                padding: 18px 16px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-meta {
                flex-direction: column;
                gap: 10px;
            }
        }

/* roulang page: article */
:root {
            --primary: #16324f;
            --primary-deep: #0a1e33;
            --primary-light: #1d4e6e;
            --accent: #c19a5b;
            --accent-hover: #a9854a;
            --accent-light: #f5ecd9;
            --bg: #f6f4ef;
            --bg-alt: #eef0f2;
            --card: #ffffff;
            --text: #1e2d3d;
            --text-light: #5f6b76;
            --border: #e3dccf;
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 12px rgba(10, 30, 51, 0.08);
            --shadow-md: 0 10px 30px rgba(10, 30, 51, 0.12);
            --shadow-lg: 0 24px 60px rgba(10, 30, 51, 0.16);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --header-h: 72px;
        }

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

        html { scroll-behavior: smooth; }

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

        img { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        ul { list-style: none; margin: 0; padding: 0; }
        button, input, textarea { font-family: inherit; }

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

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

        section[id], main[id] { scroll-margin-top: calc(var(--header-h) + 16px); }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.72);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.4);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.94);
            box-shadow: 0 8px 30px rgba(10, 30, 51, 0.12);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-h);
            gap: 20px;
        }

        .brand {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-link {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 0.95rem;
            color: var(--text);
            font-weight: 500;
            transition: all var(--transition);
        }

        .nav-link:hover { background: var(--accent-light); color: var(--primary); }
        .nav-link.active { background: var(--accent-light); color: var(--primary); font-weight: 600; }

        .nav-cta {
            padding: 10px 20px;
            background: var(--primary);
            color: #fff;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: all var(--transition);
        }

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

        .nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--primary);
            margin: 3px 0;
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        .nav-toggle.open span:nth-child(1) { transform: translateY(5px) rotate(45deg); }
        .nav-toggle.open span:nth-child(2) { opacity: 0; }
        .nav-toggle.open span:nth-child(3) { transform: translateY(-5px) rotate(-45deg); }

        /* ===== 文章 Hero ===== */
        .article-hero {
            position: relative;
            min-height: 440px;
            display: flex;
            align-items: center;
            padding: calc(var(--header-h) + 56px) 0 100px;
            background:
                linear-gradient(120deg, rgba(9, 26, 46, 0.92) 0%, rgba(15, 50, 80, 0.78) 60%, rgba(35, 80, 120, 0.55) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.16);
            border: 1px solid rgba(255, 255, 255, 0.24);
            padding: 8px 18px;
            border-radius: 999px;
            font-size: 0.9rem;
            letter-spacing: 0.05em;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            margin-bottom: 20px;
            color: rgba(255, 255, 255, 0.95);
        }

        .article-hero h1 {
            font-size: clamp(1.8rem, 4vw, 2.8rem);
            font-weight: 700;
            line-height: 1.3;
            max-width: 880px;
            margin: 0 0 18px;
            letter-spacing: 0.01em;
        }

        .hero-meta {
            color: rgba(255, 255, 255, 0.82);
            font-size: 0.98rem;
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            align-items: center;
        }

        .hero-meta i { margin-right: 6px; color: var(--accent); }

        /* ===== 文章主体布局 ===== */
        .article-main { padding-bottom: 90px; }

        .article-layout {
            margin-top: -56px;
            position: relative;
            z-index: 5;
            row-gap: 32px;
        }

        .article-layout > .cell.large-8 { padding-right: 20px; }
        .article-layout > .cell.large-4 { padding-left: 20px; }

        /* ===== 文章卡片 ===== */
        .article-card {
            background: var(--card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            padding: 44px 48px;
            border: 1px solid rgba(255, 255, 255, 0.8);
        }

        .breadcrumb {
            font-size: 0.9rem;
            color: var(--text-light);
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 24px;
        }

        .breadcrumb a { color: var(--text-light); }
        .breadcrumb a:hover { color: var(--accent-hover); }
        .breadcrumb i { font-size: 0.7rem; color: #b9b2a8; }
        .breadcrumb .current {
            color: var(--primary);
            font-weight: 500;
            max-width: 300px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }

        .article-summary {
            display: flex;
            gap: 14px;
            background: var(--accent-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin-bottom: 28px;
            border-left: 4px solid var(--accent);
        }

        .article-summary i {
            font-size: 1.4rem;
            color: var(--accent-hover);
            margin-top: 2px;
        }

        .article-summary strong {
            display: block;
            margin-bottom: 4px;
            color: var(--primary);
        }

        .article-summary p { margin: 0; color: var(--text-light); }

        /* ===== 正文 ===== */
        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--text);
        }

        .article-body h2 { font-size: 1.5rem; margin: 2rem 0 1rem; color: var(--primary); }
        .article-body h3 { font-size: 1.25rem; margin: 1.75rem 0 0.75rem; color: var(--primary); }
        .article-body p { margin: 0 0 1.25rem; }
        .article-body ul { margin: 0 0 1.5rem; padding-left: 0; }
        .article-body ul li { padding: 8px 0 8px 26px; position: relative; }
        .article-body ul li::before {
            content: "◆";
            color: var(--accent);
            position: absolute;
            left: 0;
            font-size: 0.8rem;
            top: 12px;
        }
        .article-body blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 16px 20px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--text-light);
        }
        .article-body img {
            border-radius: var(--radius-md);
            margin: 1.5rem 0;
            box-shadow: var(--shadow-sm);
            height: auto;
        }
        .article-body pre {
            background: #0e1e31;
            color: #e2e8f0;
            padding: 20px;
            border-radius: 12px;
            overflow-x: auto;
            font-size: 0.95rem;
            margin: 1.5rem 0;
        }
        .article-body code {
            background: #eef1f5;
            padding: 2px 6px;
            border-radius: 4px;
            font-size: 0.9em;
        }

        .empty-content {
            background: var(--bg);
            padding: 24px;
            border-radius: var(--radius-md);
            color: var(--text-light);
        }

        /* ===== 文章标签 ===== */
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }

        .tags-label {
            font-weight: 600;
            color: var(--text-light);
            margin-right: 4px;
        }

        .tag-chip {
            background: var(--accent-light);
            color: var(--accent-hover);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 500;
        }

        /* ===== 侧边栏 ===== */
        .side-card {
            background: var(--card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-md);
            padding: 28px;
            border: 1px solid var(--border);
            margin-bottom: 28px;
            transition: box-shadow var(--transition);
        }

        .side-card:hover { box-shadow: var(--shadow-lg); }

        .side-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 2px solid var(--accent);
            position: relative;
        }

        .side-card h3::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: -2px;
            width: 44px;
            height: 2px;
            background: var(--primary);
        }

        .meta-list li {
            display: flex;
            justify-content: space-between;
            gap: 10px;
            padding: 10px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 0.95rem;
        }

        .meta-list li:last-child { border-bottom: none; }
        .meta-list li span { color: var(--text-light); }
        .meta-list li strong { text-align: right; color: var(--text); }

        .side-cover {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
        }

        .side-cover img {
            height: 160px;
            width: 100%;
            object-fit: cover;
        }

        .btn-service {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            width: 100%;
            background: var(--primary);
            color: #fff;
            padding: 14px 20px;
            border-radius: 999px;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-service:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(22, 50, 79, 0.22);
        }

        /* ===== 通用板块 ===== */
        .section { padding: 90px 0; }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }

        .section-tag {
            display: inline-block;
            background: var(--accent-light);
            color: var(--accent-hover);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.06em;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: clamp(1.7rem, 3vw, 2.4rem);
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
            margin: 0;
        }

        .section-sub {
            color: var(--text-light);
            font-size: 1.05rem;
            margin-top: 12px;
        }

        /* ===== 服务卡片 ===== */
        .service-strip { background: #fff; }

        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
        }

        .service-card {
            background: #fff;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: transform 0.4s cubic-bezier(0.2, 0.8, 0.2, 1), box-shadow 0.4s ease;
            display: flex;
            flex-direction: column;
        }

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

        .service-card-img {
            position: relative;
            overflow: hidden;
            height: 220px;
            background: var(--bg-alt);
        }

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

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

        .service-card-img::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 28, 52, 0.4), transparent 60%);
            opacity: 0;
            transition: opacity 0.4s ease;
        }

        .service-card:hover .service-card-img::after { opacity: 1; }

        .img-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, 0.9);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 0.8rem;
            font-weight: 600;
            box-shadow: var(--shadow-sm);
            z-index: 2;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
        }

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

        .service-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }

        .service-card-body p {
            color: var(--text-light);
            font-size: 0.98rem;
            line-height: 1.7;
            flex: 1;
        }

        .service-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-weight: 600;
            margin-top: 14px;
            transition: color 0.3s ease;
        }

        .service-link:hover { color: var(--accent-hover); }
        .service-link i { font-size: 0.8rem; transition: transform 0.3s ease; }
        .service-link:hover i { transform: translateX(4px); }

        /* ===== 流程步骤 ===== */
        .process-section {
            background: linear-gradient(180deg, #ffffff 0%, var(--bg) 100%);
        }

        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .step-card {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 32px 24px 28px;
            text-align: center;
            position: relative;
            border: 1px solid var(--border);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .step-num {
            width: 56px;
            height: 56px;
            margin: 0 auto 18px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 1.2rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 8px 20px rgba(22, 50, 79, 0.25);
        }

        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 8px;
            color: var(--text);
        }

        .step-card p {
            color: var(--text-light);
            font-size: 0.94rem;
            margin: 0;
            line-height: 1.7;
        }

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

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

        .faq-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow 0.3s ease;
        }

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

        .faq-q {
            padding: 22px 28px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text);
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color 0.3s ease;
        }

        .faq-q::-webkit-details-marker { display: none; }
        .faq-q:hover { color: var(--primary); }
        .faq-q i { color: var(--accent); transition: transform 0.3s ease; font-size: 0.9rem; }
        .faq-item[open] .faq-q i { transform: rotate(180deg); }

        .faq-a {
            padding: 0 28px 24px;
            color: var(--text-light);
            font-size: 0.98rem;
            line-height: 1.8;
        }

        .faq-a p { margin-bottom: 0; }

        /* ===== CTA ===== */
        .cta-section { background: #fff; }

        .cta-box {
            background:
                linear-gradient(135deg, rgba(10, 30, 51, 0.92), rgba(22, 50, 79, 0.82)),
                url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 70px 60px;
            color: #fff;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: -80px;
            right: -80px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
        }

        .cta-box::after {
            content: "";
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(193, 154, 91, 0.12);
        }

        .cta-box h2 {
            font-size: clamp(1.8rem, 3vw, 2.4rem);
            font-weight: 700;
            margin: 0 0 12px;
            color: #fff;
        }

        .cta-box p {
            color: rgba(255, 255, 255, 0.82);
            max-width: 560px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--accent);
            color: var(--primary-deep);
            padding: 16px 40px;
            border-radius: 999px;
            font-size: 1.05rem;
            font-weight: 700;
            letter-spacing: 0.02em;
            box-shadow: 0 10px 30px rgba(193, 154, 91, 0.35);
            transition: all 0.3s ease;
            position: relative;
            z-index: 2;
        }

        .cta-btn:hover {
            background: #fff;
            color: var(--primary);
            transform: translateY(-3px);
            box-shadow: 0 14px 36px rgba(255, 255, 255, 0.18);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--primary-deep);
            color: #a7b4bf;
            padding: 60px 0 24px;
        }

        .footer-grid { row-gap: 28px; }

        .footer-grid > .cell { padding: 0 20px; }
        .footer-grid > .cell:first-child { padding-left: 0; }
        .footer-grid > .cell:last-child { padding-right: 0; }

        .footer-logo {
            display: inline-block;
            color: #fff;
            font-size: 1.35rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .footer-brand p {
            color: #8a98a5;
            max-width: 360px;
            line-height: 1.7;
            margin: 0;
        }

        .footer-nav h4,
        .footer-contact h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin: 0 0 16px;
        }

        .footer-nav a {
            display: block;
            padding: 5px 0;
            color: #8a98a5;
            transition: color 0.3s ease, transform 0.3s ease;
        }

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

        .footer-contact p {
            color: #8a98a5;
            margin: 0 0 6px;
            font-size: 0.95rem;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 44px;
            padding-top: 22px;
        }

        .footer-bottom p {
            margin: 0;
            color: #7b8a96;
            font-size: 0.9rem;
        }

        /* ===== 错误页 ===== */
        .not-found-hero {
            min-height: 400px;
            display: flex;
            align-items: flex-end;
            padding: calc(var(--header-h) + 40px) 0 80px;
            background:
                linear-gradient(135deg, rgba(9, 26, 46, 0.9), rgba(15, 50, 80, 0.7)),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
        }

        .not-found-hero h1 {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 700;
            margin: 0;
        }

        .not-found-hero p {
            color: rgba(255, 255, 255, 0.8);
            margin-top: 10px;
            font-size: 1.05rem;
        }

        .not-found-main { padding: 60px 0 120px; }

        .not-found-card {
            max-width: 620px;
            margin: 0 auto;
            text-align: center;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
        }

        .error-icon {
            width: 72px;
            height: 72px;
            background: var(--accent-light);
            color: var(--accent-hover);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            margin: 0 auto 22px;
        }

        .not-found-card h2 {
            font-size: 1.5rem;
            margin: 0 0 10px;
            color: var(--primary);
        }

        .not-found-card p {
            color: var(--text-light);
            margin: 0 0 30px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 1rem;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
        }

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

        .btn-primary:hover {
            background: var(--accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(22, 50, 79, 0.25);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .service-grid { grid-template-columns: repeat(2, 1fr); }
            .article-card { padding: 36px; }
            .container { padding: 0 20px; }
        }

        @media (max-width: 768px) {
            :root { --header-h: 64px; }

            .nav-toggle { display: inline-flex; }

            .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 16px;
                right: 16px;
                background: rgba(255, 255, 255, 0.96);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border: 1px solid rgba(255, 255, 255, 0.6);
                border-radius: 20px;
                box-shadow: var(--shadow-lg);
                padding: 16px;
                display: flex;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
                transform: translateY(-12px);
                opacity: 0;
                visibility: hidden;
                transition: all 0.3s ease;
                z-index: 999;
            }

            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                visibility: visible;
            }

            .nav-link {
                text-align: center;
                padding: 12px 16px;
            }

            .nav-cta {
                justify-content: center;
                margin-top: 6px;
                padding: 13px 20px;
            }

            .article-hero {
                min-height: 360px;
                padding: calc(var(--header-h) + 32px) 0 80px;
            }

            .article-main { padding-bottom: 70px; }

            .article-layout { margin-top: -40px; }
            .article-layout > .cell.large-8 { padding-right: 0; }
            .article-layout > .cell.large-4 { padding-left: 0; }

            .article-card {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }

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

            .footer-grid > .cell { padding: 0; }

            .site-footer { padding: 48px 0 20px; }

            .footer-bottom {
                margin-top: 32px;
                padding-top: 18px;
            }

            .footer-bottom .medium-text-right {
                text-align: left;
                margin-top: 8px;
            }

            .section { padding: 64px 0; }

            .cta-box {
                padding: 48px 28px;
                border-radius: var(--radius-md);
            }

            .side-card { margin-bottom: 24px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }

            .brand { font-size: 1.05rem; }

            .service-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .section-head { margin-bottom: 36px; }

            .cta-box { padding: 40px 22px; }
            .cta-btn { width: 100%; justify-content: center; }

            .not-found-card { padding: 40px 24px; }
            .article-tags { gap: 8px; }
            .breadcrumb .current { max-width: 200px; }
        }