/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0f1b2d;
            --primary-light: #1a2d4a;
            --primary-lighter: #243b5e;
            --accent: #d4a843;
            --accent-light: #e8c46a;
            --accent-dark: #b8922e;
            --bg: #f5f6f8;
            --bg-white: #ffffff;
            --bg-dark: #0a1422;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-lighter: #9ca3af;
            --text-white: #f9fafb;
            --border: #e5e7eb;
            --border-light: #f0f1f3;
            --radius-sm: 8px;
            --radius: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow: 0 4px 20px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-hover: 0 12px 40px rgba(0, 0, 0, 0.14);
            --shadow-glow: 0 0 40px rgba(212, 168, 67, 0.15);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset / Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 600;
            color: var(--text);
        }
        h1 {
            font-size: 2.8rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2.2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.4rem;
        }
        h4 {
            font-size: 1.15rem;
        }
        p {
            color: var(--text-light);
            line-height: 1.8;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 胶囊导航 ===== */
        .site-nav {
            position: fixed;
            top: 20px;
            left: 50%;
            transform: translateX(-50%);
            width: calc(100% - 48px);
            max-width: 1140px;
            height: var(--nav-height);
            background: rgba(15, 27, 45, 0.88);
            backdrop-filter: blur(18px) saturate(1.4);
            -webkit-backdrop-filter: blur(18px) saturate(1.4);
            border-radius: 60px;
            padding: 0 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            z-index: 1000;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.18);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: var(--transition);
        }
        .site-nav .logo {
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.01em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .site-nav .logo i {
            color: var(--accent);
            font-size: 1.2rem;
        }
        .site-nav .logo span {
            color: var(--accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .nav-links a {
            padding: 8px 20px;
            border-radius: 40px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.92rem;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-links a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-links a.active {
            color: var(--text-white);
            background: rgba(212, 168, 67, 0.18);
            box-shadow: inset 0 0 0 1px rgba(212, 168, 67, 0.15);
        }
        .nav-cta {
            padding: 8px 24px;
            border-radius: 40px;
            background: var(--accent);
            color: var(--primary) !important;
            font-weight: 600;
            font-size: 0.92rem;
            transition: var(--transition);
        }
        .nav-cta:hover {
            background: var(--accent-light);
            transform: scale(1.02);
            box-shadow: var(--shadow-glow);
        }
        .nav-toggle {
            display: none;
            color: var(--text-white);
            font-size: 1.4rem;
            background: rgba(255, 255, 255, 0.06);
            width: 44px;
            height: 44px;
            border-radius: 50%;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 120px 24px 80px;
            background: var(--bg-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            transform: scale(1.05);
            transition: transform 0.8s ease;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 40%, rgba(15, 27, 45, 0.6) 0%, rgba(10, 20, 34, 0.92) 80%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 800px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 18px;
            border-radius: 40px;
            background: rgba(212, 168, 67, 0.12);
            border: 1px solid rgba(212, 168, 67, 0.15);
            color: var(--accent-light);
            font-size: 0.85rem;
            font-weight: 500;
            margin-bottom: 28px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            font-size: 0.75rem;
        }
        .hero h1 {
            color: var(--text-white);
            margin-bottom: 20px;
            font-size: 3.2rem;
            line-height: 1.2;
            letter-spacing: -0.02em;
        }
        .hero h1 span {
            color: var(--accent);
        }
        .hero p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.15rem;
            max-width: 600px;
            margin: 0 auto 36px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            padding: 14px 36px;
            border-radius: 50px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            box-shadow: 0 4px 20px rgba(212, 168, 67, 0.25);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(212, 168, 67, 0.35);
        }
        .btn-outline {
            padding: 14px 36px;
            border-radius: 50px;
            border: 1.5px solid rgba(255, 255, 255, 0.2);
            color: var(--text-white);
            font-weight: 500;
            font-size: 1rem;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(255, 255, 255, 0.04);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(212, 168, 67, 0.06);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            justify-content: center;
            margin-top: 52px;
            padding-top: 40px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .hero-stat {
            text-align: center;
        }
        .hero-stat .num {
            font-size: 2rem;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.01em;
        }
        .hero-stat .num span {
            color: var(--accent);
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 2px;
        }

        /* ===== 通用板块 ===== */
        .section {
            padding: 90px 0;
        }
        .section-alt {
            background: var(--bg-white);
        }
        .section-dark {
            background: var(--bg-dark);
        }
        .section-header {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 56px;
        }
        .section-header h2 {
            margin-bottom: 16px;
        }
        .section-header p {
            font-size: 1.05rem;
        }
        .section-header .subtitle {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 4px 16px;
            border-radius: 40px;
            background: rgba(212, 168, 67, 0.08);
            color: var(--accent-dark);
            font-size: 0.82rem;
            font-weight: 500;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        /* ===== 关于板块 ===== */
        .about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .about-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            position: relative;
        }
        .about-image img {
            width: 100%;
            height: 400px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }
        .about-image:hover img {
            transform: scale(1.03);
        }
        .about-text h2 {
            margin-bottom: 20px;
        }
        .about-text p {
            margin-bottom: 20px;
        }
        .about-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 24px;
        }
        .tag {
            padding: 6px 16px;
            border-radius: 40px;
            background: rgba(15, 27, 45, 0.04);
            border: 1px solid var(--border);
            font-size: 0.85rem;
            color: var(--text-light);
            transition: var(--transition);
        }
        .tag:hover {
            border-color: var(--accent);
            color: var(--accent-dark);
            background: rgba(212, 168, 67, 0.04);
        }
        .tag i {
            margin-right: 6px;
            color: var(--accent);
            font-size: 0.75rem;
        }

        /* ===== 优势卡片 ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            text-align: center;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(212, 168, 67, 0.15);
        }
        .feature-card .icon {
            width: 60px;
            height: 60px;
            border-radius: 16px;
            background: rgba(212, 168, 67, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.5rem;
            color: var(--accent);
            transition: var(--transition);
        }
        .feature-card:hover .icon {
            background: var(--accent);
            color: var(--primary);
            transform: scale(1.05);
        }
        .feature-card h3 {
            margin-bottom: 12px;
            font-size: 1.15rem;
        }
        .feature-card p {
            font-size: 0.92rem;
            line-height: 1.7;
        }

        /* ===== 分类入口 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .category-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 240px;
            display: flex;
            align-items: flex-end;
            padding: 32px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            cursor: pointer;
        }
        .category-card .bg-img {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            transition: transform 0.6s ease;
        }
        .category-card:hover .bg-img {
            transform: scale(1.05);
        }
        .category-card .overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 20, 34, 0.85) 0%, rgba(10, 20, 34, 0.2) 70%, transparent 100%);
        }
        .category-card .content {
            position: relative;
            z-index: 2;
            color: var(--text-white);
        }
        .category-card .content h3 {
            color: var(--text-white);
            margin-bottom: 6px;
            font-size: 1.4rem;
        }
        .category-card .content p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.92rem;
            margin-bottom: 16px;
        }
        .category-card .content .btn-small {
            padding: 8px 20px;
            border-radius: 40px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .category-card .content .btn-small:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
        }

        /* ===== 最新资讯列表 ===== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }
        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .news-card .thumb {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .news-card:hover .thumb {
            transform: scale(1.03);
        }
        .news-card .body {
            padding: 24px 22px 22px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .news-card .meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.82rem;
            color: var(--text-lighter);
            margin-bottom: 10px;
        }
        .news-card .meta .cat {
            padding: 2px 12px;
            border-radius: 30px;
            background: rgba(212, 168, 67, 0.08);
            color: var(--accent-dark);
            font-weight: 500;
            font-size: 0.75rem;
        }
        .news-card .meta .date {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .news-card .meta .date i {
            font-size: 0.7rem;
        }
        .news-card h3 {
            font-size: 1.05rem;
            margin-bottom: 10px;
            line-height: 1.5;
            flex: 1;
        }
        .news-card h3 a {
            color: var(--text);
        }
        .news-card h3 a:hover {
            color: var(--accent-dark);
        }
        .news-card .excerpt {
            font-size: 0.88rem;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .read-more {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--accent-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .news-card .read-more:hover {
            gap: 12px;
            color: var(--accent);
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            color: var(--text-light);
            font-size: 1rem;
            border: 1px dashed var(--border);
        }

        /* ===== 流程板块 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }
        .steps-grid::before {
            content: '';
            position: absolute;
            top: 36px;
            left: 12%;
            right: 12%;
            height: 2px;
            background: linear-gradient(to right, var(--accent), var(--border), var(--accent));
            opacity: 0.3;
        }
        .step-card {
            text-align: center;
            position: relative;
            z-index: 2;
        }
        .step-card .step-num {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: var(--bg-white);
            border: 2px solid var(--border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--accent);
            transition: var(--transition);
            box-shadow: 0 0 0 4px var(--bg);
        }
        .step-card:hover .step-num {
            border-color: var(--accent);
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 0 0 4px rgba(212, 168, 67, 0.12);
            transform: scale(1.05);
        }
        .step-card h4 {
            margin-bottom: 8px;
            font-size: 1.05rem;
        }
        .step-card p {
            font-size: 0.88rem;
            line-height: 1.7;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: rgba(212, 168, 67, 0.15);
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 500;
            font-size: 1rem;
            color: var(--text);
            transition: var(--transition);
            user-select: none;
        }
        .faq-question i {
            color: var(--text-lighter);
            transition: var(--transition);
            font-size: 0.85rem;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-light);
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 24px 22px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section .bg-texture {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .cta-content p {
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 32px;
            font-size: 1.05rem;
        }
        .cta-content .btn-primary {
            font-size: 1.05rem;
            padding: 16px 44px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding: 60px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            color: var(--accent);
        }
        .footer-brand .logo span {
            color: var(--accent);
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.45);
            max-width: 320px;
            line-height: 1.8;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 0.95rem;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.3);
        }
        .footer-bottom .links {
            display: flex;
            gap: 20px;
        }
        .footer-bottom .links a {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.3);
        }
        .footer-bottom .links a:hover {
            color: var(--accent);
        }
        .footer-bottom .social {
            display: flex;
            gap: 12px;
        }
        .footer-bottom .social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.3);
            transition: var(--transition);
            font-size: 0.9rem;
        }
        .footer-bottom .social a:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(212, 168, 67, 0.06);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-grid::before {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .about-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }
            .site-nav {
                top: 12px;
                width: calc(100% - 24px);
                padding: 0 18px;
                border-radius: 40px;
            }
            .site-nav .logo {
                font-size: 1.1rem;
            }
            .nav-links {
                position: fixed;
                top: 76px;
                left: 12px;
                right: 12px;
                background: rgba(15, 27, 45, 0.96);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                border-radius: var(--radius-lg);
                padding: 16px;
                flex-direction: column;
                gap: 4px;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
                border: 1px solid rgba(255, 255, 255, 0.06);
                display: none;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 18px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-links a.nav-cta {
                margin-top: 8px;
                text-align: center;
            }
            .nav-toggle {
                display: flex;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .hero {
                padding: 100px 20px 60px;
                min-height: 80vh;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-stats {
                flex-wrap: wrap;
                gap: 24px;
            }
            .section {
                padding: 60px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .category-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .about-image img {
                height: 260px;
            }
            .cta-section {
                padding: 56px 0;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 1.7rem;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                justify-content: center;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                padding: 28px 20px;
            }
            .category-card {
                min-height: 180px;
                padding: 20px;
            }
            .news-card .thumb {
                height: 160px;
            }
            .footer-grid {
                gap: 20px;
            }
        }

/* roulang page: article */
/* ===== 设计变量 ===== */
    :root {
        --primary: #b8860b;
        --primary-light: #daa520;
        --primary-dark: #8b6508;
        --primary-bg: #fdf6e3;
        --accent: #c0392b;
        --accent-light: #e74c3c;
        --bg: #fcf9f2;
        --bg-card: #ffffff;
        --bg-dark: #1e1e2f;
        --bg-soft: #f5f0e1;
        --text: #2c2c3a;
        --text-light: #6b6b7a;
        --text-white: #f5f0e1;
        --border: #e8ddd0;
        --radius: 16px;
        --radius-sm: 10px;
        --radius-lg: 24px;
        --shadow: 0 8px 30px rgba(0, 0, 0, 0.06);
        --shadow-hover: 0 16px 48px rgba(0, 0, 0, 0.12);
        --shadow-card: 0 4px 20px rgba(184, 134, 11, 0.08);
        --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'PingFang SC', 'Microsoft YaHei', sans-serif;
        --max-width: 1200px;
        --nav-height: 72px;
    }

    /* ===== Reset / Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
        font-family: var(--font);
        color: var(--text);
        background: var(--bg);
        line-height: 1.7;
        -webkit-font-smoothing: antialiased;
        padding-top: var(--nav-height);
    }
    a { color: var(--primary); text-decoration: none; transition: var(--transition); }
    a:hover { color: var(--primary-dark); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
    button, input, textarea { font-family: inherit; font-size: 1rem; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }

    /* ===== 容器 ===== */
    .container {
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }
    @media (max-width: 768px) {
        .container { padding: 0 16px; }
    }

    /* ===== 导航栏 ===== */
    .site-nav {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        height: var(--nav-height);
        background: rgba(255, 255, 255, 0.85);
        backdrop-filter: blur(18px) saturate(180%);
        -webkit-backdrop-filter: blur(18px) saturate(180%);
        border-bottom: 1px solid rgba(184, 134, 11, 0.12);
        z-index: 1000;
        transition: var(--transition);
    }
    .site-nav .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }
    .site-nav .logo {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 1.35rem;
        font-weight: 800;
        color: var(--primary-dark);
        letter-spacing: -0.3px;
    }
    .site-nav .logo i { color: var(--primary); font-size: 1.5rem; }
    .site-nav .logo span { color: var(--primary-light); font-weight: 600; }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav-links a {
        padding: 8px 18px;
        border-radius: 40px;
        font-weight: 500;
        font-size: 0.95rem;
        color: var(--text);
        transition: var(--transition);
        position: relative;
    }
    .nav-links a:hover { background: var(--primary-bg); color: var(--primary-dark); }
    .nav-links a.active {
        background: var(--primary);
        color: #fff;
        box-shadow: 0 4px 14px rgba(184, 134, 11, 0.3);
    }
    .nav-links a.nav-cta {
        background: transparent;
        border: 2px solid var(--primary);
        color: var(--primary);
        padding: 6px 20px;
        border-radius: 40px;
        font-weight: 600;
    }
    .nav-links a.nav-cta:hover {
        background: var(--primary);
        color: #fff;
        transform: translateY(-1px);
        box-shadow: 0 6px 20px rgba(184, 134, 11, 0.25);
    }
    .nav-toggle {
        display: none;
        background: none;
        border: none;
        font-size: 1.5rem;
        color: var(--primary-dark);
        cursor: pointer;
        padding: 6px 10px;
        border-radius: 8px;
        transition: var(--transition);
    }
    .nav-toggle:hover { background: var(--primary-bg); }
    @media (max-width: 768px) {
        .nav-links {
            position: fixed;
            top: var(--nav-height);
            left: 0;
            width: 100%;
            background: rgba(255, 255, 255, 0.98);
            backdrop-filter: blur(18px);
            flex-direction: column;
            padding: 20px 24px;
            gap: 10px;
            border-bottom: 1px solid var(--border);
            transform: translateY(-120%);
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
            box-shadow: 0 20px 40px rgba(0,0,0,0.06);
        }
        .nav-links.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .nav-links a { width: 100%; text-align: center; padding: 12px; }
        .nav-toggle { display: block; }
    }

    /* ===== 文章 Banner ===== */
    .article-banner {
        position: relative;
        padding: 60px 0 48px;
        background: linear-gradient(135deg, var(--bg-dark) 0%, #2a2a40 100%);
        overflow: hidden;
        min-height: 280px;
        display: flex;
        align-items: center;
    }
    .article-banner::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        opacity: 0.15;
        mix-blend-mode: overlay;
    }
    .article-banner .container {
        position: relative;
        z-index: 2;
        width: 100%;
    }
    .article-banner .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.9rem;
        color: rgba(245, 240, 225, 0.7);
        margin-bottom: 20px;
    }
    .article-banner .breadcrumb a { color: var(--primary-light); }
    .article-banner .breadcrumb a:hover { color: #fff; }
    .article-banner .breadcrumb span { color: rgba(245, 240, 225, 0.5); }
    .article-banner h1 {
        font-size: 2.2rem;
        color: var(--text-white);
        max-width: 800px;
        line-height: 1.3;
        font-weight: 800;
        letter-spacing: -0.5px;
        margin-bottom: 16px;
    }
    .article-meta {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 20px;
        color: rgba(245, 240, 225, 0.7);
        font-size: 0.95rem;
    }
    .article-meta .tag {
        display: inline-block;
        padding: 4px 14px;
        border-radius: 40px;
        background: rgba(184, 134, 11, 0.25);
        color: var(--primary-light);
        font-size: 0.8rem;
        font-weight: 600;
        letter-spacing: 0.3px;
    }
    .article-meta i { margin-right: 4px; color: var(--primary-light); }
    @media (max-width: 768px) {
        .article-banner { padding: 40px 0 32px; min-height: 220px; }
        .article-banner h1 { font-size: 1.5rem; }
        .article-meta { gap: 12px; font-size: 0.85rem; }
    }

    /* ===== 文章正文区域 ===== */
    .article-main {
        padding: 48px 0 60px;
    }
    .article-layout {
        display: grid;
        grid-template-columns: 1fr 300px;
        gap: 40px;
        align-items: start;
    }
    .article-body {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 40px 44px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border);
    }
    .article-body .content {
        font-size: 1.05rem;
        line-height: 1.9;
        color: var(--text);
    }
    .article-body .content p { margin-bottom: 1.4em; }
    .article-body .content h2 {
        font-size: 1.5rem;
        margin-top: 1.8em;
        margin-bottom: 0.6em;
        color: var(--primary-dark);
        border-left: 4px solid var(--primary);
        padding-left: 16px;
    }
    .article-body .content h3 {
        font-size: 1.2rem;
        margin-top: 1.4em;
        margin-bottom: 0.4em;
        color: var(--text);
    }
    .article-body .content ul, .article-body .content ol {
        margin-bottom: 1.4em;
        padding-left: 1.6em;
    }
    .article-body .content ul li { list-style: disc; margin-bottom: 0.3em; }
    .article-body .content ol li { list-style: decimal; margin-bottom: 0.3em; }
    .article-body .content img { margin: 1.6em 0; border-radius: var(--radius-sm); box-shadow: var(--shadow); }
    .article-body .content a { color: var(--primary); text-decoration: underline; }
    .article-body .content blockquote {
        border-left: 4px solid var(--primary-light);
        background: var(--primary-bg);
        padding: 16px 24px;
        margin: 1.4em 0;
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: var(--text-light);
        font-style: italic;
    }
    .article-body .content code {
        background: var(--bg-soft);
        padding: 2px 10px;
        border-radius: 6px;
        font-size: 0.9em;
        color: var(--accent);
    }
    .article-footer-nav {
        margin-top: 40px;
        padding-top: 24px;
        border-top: 1px solid var(--border);
        display: flex;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 16px;
    }
    .article-footer-nav a {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 24px;
        border-radius: 40px;
        background: var(--bg-soft);
        color: var(--text);
        font-weight: 500;
        transition: var(--transition);
    }
    .article-footer-nav a:hover { background: var(--primary-bg); color: var(--primary-dark); transform: translateY(-2px); }
    .article-footer-nav a i { font-size: 0.9rem; }

    /* ===== 侧边栏 ===== */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 28px;
    }
    .sidebar-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 28px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border);
    }
    .sidebar-card h3 {
        font-size: 1.1rem;
        margin-bottom: 16px;
        color: var(--primary-dark);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .sidebar-card h3 i { color: var(--primary); }
    .sidebar-card ul li { margin-bottom: 10px; }
    .sidebar-card ul li a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 8px 12px;
        border-radius: var(--radius-sm);
        background: var(--bg);
        color: var(--text);
        font-size: 0.95rem;
        transition: var(--transition);
    }
    .sidebar-card ul li a:hover {
        background: var(--primary-bg);
        color: var(--primary-dark);
        transform: translateX(4px);
    }
    .sidebar-card ul li a i { color: var(--primary-light); font-size: 0.8rem; }
    .sidebar-cta {
        background: linear-gradient(135deg, var(--primary-dark), var(--primary));
        color: #fff;
        border: none;
    }
    .sidebar-cta h3 { color: #fff; }
    .sidebar-cta p { color: rgba(255,255,255,0.85); font-size: 0.95rem; margin-bottom: 16px; }
    .sidebar-cta .btn {
        display: inline-block;
        padding: 12px 28px;
        background: #fff;
        color: var(--primary-dark);
        border-radius: 40px;
        font-weight: 700;
        font-size: 0.95rem;
        transition: var(--transition);
    }
    .sidebar-cta .btn:hover { background: var(--primary-bg); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
    @media (max-width: 1024px) {
        .article-layout { grid-template-columns: 1fr; }
        .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
    }
    @media (max-width: 600px) {
        .article-body { padding: 24px 20px; }
        .article-sidebar { grid-template-columns: 1fr; }
    }

    /* ===== 内容未找到 ===== */
    .not-found-box {
        text-align: center;
        padding: 80px 20px;
        background: var(--bg-card);
        border-radius: var(--radius);
        box-shadow: var(--shadow-card);
        border: 1px solid var(--border);
    }
    .not-found-box i { font-size: 3.5rem; color: var(--primary-light); margin-bottom: 20px; }
    .not-found-box h2 { font-size: 1.6rem; margin-bottom: 12px; color: var(--text); }
    .not-found-box p { color: var(--text-light); margin-bottom: 24px; }
    .not-found-box .btn {
        display: inline-block;
        padding: 14px 36px;
        background: var(--primary);
        color: #fff;
        border-radius: 40px;
        font-weight: 600;
        transition: var(--transition);
    }
    .not-found-box .btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(184,134,11,0.3); }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(245, 240, 225, 0.8);
        padding: 56px 0 32px;
        border-top: 3px solid var(--primary);
    }
    .site-footer .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .logo {
        font-size: 1.3rem;
        font-weight: 800;
        color: var(--text-white);
        display: flex;
        align-items: center;
        gap: 8px;
        margin-bottom: 12px;
    }
    .footer-brand .logo i { color: var(--primary-light); }
    .footer-brand .logo span { color: var(--primary-light); }
    .footer-brand p { font-size: 0.95rem; line-height: 1.7; color: rgba(245, 240, 225, 0.6); max-width: 320px; }
    .footer-col h4 {
        font-size: 1rem;
        font-weight: 700;
        color: var(--text-white);
        margin-bottom: 16px;
        letter-spacing: 0.5px;
    }
    .footer-col a {
        display: block;
        padding: 5px 0;
        color: rgba(245, 240, 225, 0.6);
        font-size: 0.9rem;
        transition: var(--transition);
    }
    .footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
    .footer-col a i { width: 20px; color: var(--primary-light); }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.06);
        padding-top: 24px;
        display: flex;
        justify-content: space-between;
        align-items: center;
        flex-wrap: wrap;
        gap: 16px;
        font-size: 0.85rem;
        color: rgba(245, 240, 225, 0.4);
    }
    .footer-bottom .social { display: flex; gap: 12px; }
    .footer-bottom .social a {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 40px; height: 40px;
        border-radius: 50%;
        background: rgba(255,255,255,0.06);
        color: rgba(245, 240, 225, 0.5);
        font-size: 1.1rem;
        transition: var(--transition);
    }
    .footer-bottom .social a:hover { background: var(--primary); color: #fff; transform: translateY(-3px); }
    @media (max-width: 768px) {
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
        .footer-brand { grid-column: 1 / -1; }
    }
    @media (max-width: 520px) {
        .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        .footer-bottom { flex-direction: column; text-align: center; }
    }

    /* ===== 通用按钮 ===== */
    .btn-primary {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 32px;
        background: var(--primary);
        color: #fff;
        border-radius: 40px;
        font-weight: 700;
        font-size: 1rem;
        border: none;
        cursor: pointer;
        transition: var(--transition);
        box-shadow: 0 4px 14px rgba(184, 134, 11, 0.25);
    }
    .btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(184, 134, 11, 0.35); color: #fff; }

    /* ===== 响应式微调 ===== */
    @media (max-width: 520px) {
        .article-banner h1 { font-size: 1.25rem; }
        .article-body .content { font-size: 0.98rem; }
        .article-footer-nav { flex-direction: column; align-items: stretch; }
        .article-footer-nav a { justify-content: center; }
    }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a4a;
            --primary-light: #2c4a7a;
            --primary-dark: #0f1b33;
            --accent: #d4a853;
            --accent-light: #e8c87a;
            --accent-dark: #b8893a;
            --bg: #f8f7f4;
            --bg-alt: #f0ede8;
            --bg-card: #ffffff;
            --bg-dark: #1a2a4a;
            --text: #1a1a2e;
            --text-light: #5a5a7a;
            --text-white: #ffffff;
            --text-muted: #8a8aaa;
            --border: #e5e0d8;
            --border-light: #f0ece6;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(26, 42, 74, 0.08);
            --shadow-hover: 0 12px 48px rgba(26, 42, 74, 0.15);
            --shadow-glow: 0 0 40px rgba(212, 168, 83, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --container: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
        }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            padding-top: var(--header-h);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
            border-radius: 4px;
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--primary);
        }
        h1 {
            font-size: clamp(2rem, 5vw, 3.4rem);
        }
        h2 {
            font-size: clamp(1.5rem, 3.5vw, 2.4rem);
            margin-bottom: 0.5em;
        }
        h3 {
            font-size: clamp(1.1rem, 2vw, 1.5rem);
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            color: var(--text-light);
            margin-bottom: 1em;
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--bg-alt);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark h2,
        .section-dark h3,
        .section-dark h4 {
            color: var(--text-white);
        }
        .section-dark p {
            color: rgba(255, 255, 255, 0.8);
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title p {
            max-width: 640px;
            margin: 12px auto 0;
            font-size: 1.1rem;
        }
        .section-title .badge {
            display: inline-block;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 4px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
        }

        /* ===== Navigation ===== */
        .site-nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            background: rgba(255, 255, 255, 0.88);
            backdrop-filter: blur(18px) saturate(180%);
            -webkit-backdrop-filter: blur(18px) saturate(180%);
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 32px;
            transition: background var(--transition), box-shadow var(--transition);
        }
        .site-nav.scrolled {
            box-shadow: 0 2px 32px rgba(0, 0, 0, 0.06);
            background: rgba(255, 255, 255, 0.96);
        }
        .site-nav .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.3px;
            text-decoration: none;
        }
        .site-nav .logo i {
            color: var(--accent);
            font-size: 1.5rem;
        }
        .site-nav .logo span {
            color: var(--accent);
            font-weight: 400;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-links a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            transition: all var(--transition);
            text-decoration: none;
            position: relative;
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(26, 42, 74, 0.05);
        }
        .nav-links a.active {
            background: var(--primary);
            color: var(--text-white);
        }
        .nav-links a.active:hover {
            background: var(--primary-light);
        }
        .nav-links a.nav-cta {
            background: var(--accent);
            color: var(--primary-dark);
            font-weight: 600;
            padding: 8px 24px;
            margin-left: 8px;
        }
        .nav-links a.nav-cta:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
        }
        .nav-links a.nav-cta i {
            margin-right: 6px;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--primary);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(26, 42, 74, 0.06);
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: 80px 0 72px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.15;
            mix-blend-mode: overlay;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 80px;
            background: var(--bg);
            clip-path: ellipse(70% 100% at 50% 100%);
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            color: var(--text-white);
            margin-bottom: 16px;
            font-weight: 800;
            letter-spacing: -0.5px;
        }
        .page-hero p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.15rem;
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.6;
        }
        .page-hero .breadcrumb {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 20px;
        }
        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, 0.75);
            text-decoration: none;
        }
        .page-hero .breadcrumb a:hover {
            color: var(--accent);
        }
        .page-hero .breadcrumb span {
            color: var(--accent-light);
        }
        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
            margin-top: 16px;
        }
        .page-hero .hero-tags .tag {
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            padding: 6px 18px;
            border-radius: 30px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.9);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .page-hero .hero-tags .tag i {
            margin-right: 6px;
            color: var(--accent);
        }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: transform var(--transition), box-shadow var(--transition);
            border: 1px solid var(--border-light);
        }
        .card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
        }
        .card-body {
            padding: 24px;
        }
        .card-body h3 {
            margin-bottom: 8px;
        }
        .card-body p {
            font-size: 0.95rem;
            margin-bottom: 12px;
        }
        .card-body .meta {
            display: flex;
            gap: 16px;
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .card-body .meta i {
            margin-right: 4px;
        }
        .card .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--accent);
            color: var(--primary-dark);
            padding: 4px 14px;
            border-radius: 30px;
            font-size: 0.75rem;
            font-weight: 600;
            z-index: 2;
        }
        .card-img-wrap {
            position: relative;
            overflow: hidden;
        }

        /* ===== Grid ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .grid-4 {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-decoration: none;
            background: var(--accent);
            color: var(--primary-dark);
        }
        .btn:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
            color: var(--primary-dark);
        }
        .btn-outline {
            background: transparent;
            border: 2px solid var(--accent);
            color: var(--accent);
        }
        .btn-outline:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .btn-white {
            background: var(--text-white);
            color: var(--primary);
        }
        .btn-white:hover {
            background: var(--bg-alt);
            color: var(--primary);
        }
        .btn-sm {
            padding: 8px 20px;
            font-size: 0.9rem;
        }
        .btn i {
            font-size: 0.9em;
        }

        /* ===== Tags & Badges ===== */
        .tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 30px;
            font-size: 0.82rem;
            font-weight: 500;
            background: var(--bg-alt);
            color: var(--text-light);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .tag:hover {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }
        .tag-accent {
            background: var(--accent);
            color: var(--primary-dark);
            border-color: var(--accent);
        }

        /* ===== Stats / Data Blocks ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            text-align: center;
        }
        .stat-item {
            padding: 28px 16px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
        }
        .stat-item:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow);
        }
        .stat-item .num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }
        .stat-item .num span {
            color: var(--accent);
        }
        .stat-item .label {
            font-size: 0.95rem;
            color: var(--text-light);
            margin-top: 6px;
        }
        .stat-item i {
            font-size: 2rem;
            color: var(--accent);
            margin-bottom: 12px;
        }

        /* ===== Steps / Timeline ===== */
        .steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            counter-reset: step;
        }
        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border-light);
            transition: transform var(--transition), box-shadow var(--transition);
            position: relative;
        }
        .step-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .step-item .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 1.4rem;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }
        .step-item h4 {
            margin-bottom: 8px;
        }
        .step-item p {
            font-size: 0.9rem;
            margin-bottom: 0;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: box-shadow var(--transition);
        }
        .faq-item:hover {
            box-shadow: var(--shadow);
        }
        .faq-question {
            padding: 20px 24px;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--primary);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: background var(--transition);
            border: none;
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover {
            background: var(--bg-alt);
        }
        .faq-question i {
            color: var(--accent);
            transition: transform var(--transition);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-light);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer {
            display: block;
        }
        .faq-answer p:last-child {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            border-radius: var(--radius-lg);
            padding: 64px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-block .container {
            position: relative;
            z-index: 2;
        }
        .cta-block h2 {
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .cta-block p {
            color: rgba(255, 255, 255, 0.85);
            max-width: 540px;
            margin: 0 auto 28px;
        }
        .cta-block .btn {
            background: var(--text-white);
            color: var(--primary);
        }
        .cta-block .btn:hover {
            background: var(--accent-light);
            color: var(--primary-dark);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 32px;
        }
        .site-footer .container {
            padding: 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .logo i {
            color: var(--accent);
        }
        .footer-brand .logo span {
            color: var(--accent);
            font-weight: 400;
        }
        .footer-brand p {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-col h4 {
            color: var(--text-white);
            font-size: 1rem;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: color var(--transition);
            text-decoration: none;
        }
        .footer-col a:hover {
            color: var(--accent);
        }
        .footer-col a i {
            margin-right: 8px;
            color: var(--accent);
            width: 18px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            margin-bottom: 0;
        }
        .social {
            display: flex;
            gap: 12px;
        }
        .social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.6);
            font-size: 1.1rem;
            transition: all var(--transition);
            text-decoration: none;
        }
        .social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 820px) {
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .page-hero {
                padding: 60px 0 56px;
                min-height: 260px;
            }
            .section {
                padding: 56px 0;
            }
            .cta-block {
                padding: 48px 24px;
            }
            .nav-links {
                position: fixed;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border-light);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: all var(--transition);
                box-shadow: 0 20px 48px rgba(0, 0, 0, 0.08);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 18px;
                border-radius: var(--radius-sm);
            }
            .nav-links a.nav-cta {
                margin-left: 0;
                margin-top: 6px;
                text-align: center;
            }
            .nav-toggle {
                display: block;
            }
        }

        @media (max-width: 600px) {
            :root {
                --header-h: 64px;
            }
            .site-nav {
                padding: 0 16px;
            }
            .site-nav .logo {
                font-size: 1.1rem;
            }
            .site-nav .logo i {
                font-size: 1.2rem;
            }
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .grid-3 {
                grid-template-columns: 1fr;
            }
            .grid-4 {
                grid-template-columns: 1fr;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-item {
                padding: 20px 12px;
            }
            .stat-item .num {
                font-size: 1.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .page-hero {
                padding: 48px 0 40px;
                min-height: 220px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .page-hero .hero-tags .tag {
                font-size: 0.75rem;
                padding: 4px 12px;
            }
            .cta-block {
                padding: 36px 20px;
                border-radius: var(--radius);
            }
            .cta-block h2 {
                font-size: 1.4rem;
            }
            .steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card-body {
                padding: 16px;
            }
            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }
            .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.9rem;
            }
            .btn {
                padding: 10px 24px;
                font-size: 0.9rem;
            }
        }

        /* ===== Misc Utilities ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .flex-wrap {
            display: flex;
            flex-wrap: wrap;
        }
        .img-round {
            border-radius: var(--radius);
        }
        .shadow-sm {
            box-shadow: var(--shadow);
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-alt);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* ===== Anchor offset ===== */
        .anchor-offset {
            scroll-margin-top: calc(var(--header-h) + 24px);
        }