/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a4a;
            --primary-light: #2c4068;
            --primary-dark: #0f1a30;
            --accent: #c9a84c;
            --accent-light: #e0c06a;
            --accent-dark: #a88a30;
            --bg-light: #f8f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0f1a30;
            --text-dark: #1a1a2e;
            --text-body: #3d3d50;
            --text-muted: #7a7a8a;
            --text-light: #f0f0f5;
            --border: #e2e5ed;
            --border-light: #f0f2f7;
            --shadow-sm: 0 2px 8px rgba(26, 42, 74, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 42, 74, 0.08);
            --shadow-lg: 0 20px 60px rgba(26, 42, 74, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container: 1200px;
            --header-h: 76px;
        }

        /* ===== 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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-light);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; border: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { color: var(--text-dark); font-weight: 700; line-height: 1.3; }
        h1 { font-size: clamp(2rem, 5vw, 3.4rem); }
        h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); }
        h3 { font-size: clamp(1.15rem, 1.8vw, 1.4rem); }
        .container { width: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* ===== 导航栏 ===== */
        .header {
            position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
            height: var(--header-h);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .header.scrolled { box-shadow: var(--shadow-md); }
        .header-inner {
            display: flex; align-items: center; justify-content: space-between;
            height: 100%; max-width: var(--container); margin: 0 auto; padding: 0 24px;
        }
        .logo {
            display: flex; align-items: center; gap: 10px;
            font-size: 1.35rem; font-weight: 800; color: var(--primary);
            letter-spacing: -0.3px;
        }
        .logo i { color: var(--accent); font-size: 1.6rem; }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-main { display: flex; align-items: center; gap: 40px; }
        .nav-main a {
            position: relative; font-size: 0.95rem; font-weight: 500; color: var(--text-body);
            padding: 6px 0; letter-spacing: 0.2px;
        }
        .nav-main a::after {
            content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
            background: var(--accent); transition: var(--transition); border-radius: 2px;
        }
        .nav-main a:hover { color: var(--primary); }
        .nav-main a:hover::after { width: 100%; }
        .nav-main a.active { color: var(--primary); font-weight: 600; }
        .nav-main a.active::after { width: 100%; }
        .header-actions { display: flex; align-items: center; gap: 16px; }
        .search-box {
            display: flex; align-items: center; gap: 8px;
            background: var(--bg-light); border: 1px solid var(--border);
            border-radius: 40px; padding: 6px 18px 6px 16px;
            transition: var(--transition); min-width: 180px;
        }
        .search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(201,168,76,0.15); }
        .search-box i { color: var(--text-muted); font-size: 0.85rem; }
        .search-box input { background: transparent; border: none; padding: 6px 0; width: 100%; font-size: 0.88rem; color: var(--text-dark); }
        .search-box input::placeholder { color: var(--text-muted); }
        .btn-header {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 9px 22px; border-radius: 40px; font-weight: 600; font-size: 0.9rem;
            background: var(--primary); color: #fff; transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-header:hover { background: var(--primary-light); color: #fff; transform: translateY(-1px); box-shadow: var(--shadow-sm); }
        .btn-header-outline {
            background: transparent; color: var(--primary); border-color: var(--border);
        }
        .btn-header-outline:hover { background: var(--bg-light); border-color: var(--primary); color: var(--primary); }
        .menu-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 4px; }
        .menu-toggle span { width: 26px; height: 2px; background: var(--text-dark); border-radius: 4px; transition: var(--transition); }
        .menu-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px,5px); }
        .menu-toggle.active span:nth-child(2) { opacity: 0; }
        .menu-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px,-5px); }

        @media (max-width: 992px) {
            .nav-main { position: fixed; top: var(--header-h); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 24px 32px; gap: 16px; border-bottom: 1px solid var(--border); transform: translateY(-120%); opacity: 0; pointer-events: none; transition: var(--transition); box-shadow: var(--shadow-lg); }
            .nav-main.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
            .nav-main a { font-size: 1.05rem; padding: 10px 0; width: 100%; }
            .nav-main a::after { display: none; }
            .search-box { min-width: 120px; }
            .menu-toggle { display: flex; }
            .header-actions .btn-header span { display: none; }
        }
        @media (max-width: 576px) {
            .search-box { display: none; }
            .header-actions .btn-header { padding: 9px 16px; }
            .header-inner { padding: 0 16px; }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative; min-height: 92vh; display: flex; align-items: center;
            padding: calc(var(--header-h) + 40px) 0 80px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 40%, var(--primary-light) 100%);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute; inset: 0; z-index: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover; background-position: center; background-repeat: no-repeat;
            opacity: 0.2; mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute; inset: 0; z-index: 1;
            background: radial-gradient(ellipse at 30% 50%, rgba(201,168,76,0.08) 0%, transparent 70%);
        }
        .hero .container { position: relative; z-index: 2; width: 100%; }
        .hero-content { max-width: 720px; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(201,168,76,0.18); color: var(--accent-light);
            padding: 8px 20px; border-radius: 40px; font-size: 0.85rem; font-weight: 500;
            backdrop-filter: blur(8px); border: 1px solid rgba(201,168,76,0.2);
            margin-bottom: 28px; letter-spacing: 0.3px;
        }
        .hero-badge i { font-size: 0.75rem; }
        .hero h1 { color: #fff; font-weight: 800; letter-spacing: -0.5px; margin-bottom: 20px; }
        .hero h1 .highlight { color: var(--accent); }
        .hero p {
            font-size: 1.15rem; color: rgba(255,255,255,0.75);
            max-width: 600px; margin-bottom: 36px; line-height: 1.8;
        }
        .hero-actions { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
        .btn-primary {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 16px 36px; border-radius: 50px; font-weight: 600; font-size: 1rem;
            background: var(--accent); color: var(--primary-dark); transition: var(--transition);
            border: 1px solid transparent;
        }
        .btn-primary:hover { background: var(--accent-light); color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(201,168,76,0.3); }
        .btn-secondary {
            display: inline-flex; align-items: center; gap: 10px;
            padding: 16px 36px; border-radius: 50px; font-weight: 600; font-size: 1rem;
            background: transparent; color: #fff; transition: var(--transition);
            border: 1px solid rgba(255,255,255,0.25);
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.08); color: #fff; border-color: rgba(255,255,255,0.5); }
        .hero-stats {
            display: flex; gap: 40px; margin-top: 52px; padding-top: 40px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .hero-stat h4 { color: #fff; font-size: 1.8rem; font-weight: 700; }
        .hero-stat h4 .num { color: var(--accent); }
        .hero-stat p { color: rgba(255,255,255,0.5); font-size: 0.9rem; margin-bottom: 0; }
        @media (max-width: 768px) {
            .hero { min-height: auto; padding: calc(var(--header-h) + 32px) 0 56px; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stat { min-width: 100px; }
            .hero-actions { flex-direction: column; align-items: stretch; }
            .hero-actions .btn-primary, .hero-actions .btn-secondary { justify-content: center; }
        }

        /* ===== 通用板块 ===== */
        .section { padding: 80px 0; }
        .section-header { text-align: center; max-width: 700px; margin: 0 auto 52px; }
        .section-header h2 { margin-bottom: 14px; }
        .section-header p { color: var(--text-muted); font-size: 1.05rem; }
        .section-header .subtitle {
            display: inline-block; font-size: 0.85rem; font-weight: 600; color: var(--accent);
            letter-spacing: 2px; text-transform: uppercase; margin-bottom: 12px;
        }
        .bg-white { background: var(--bg-white); }
        .bg-light { background: var(--bg-light); }
        .bg-dark { background: var(--bg-dark); color: rgba(255,255,255,0.7); }
        .bg-dark .section-header h2 { color: #fff; }
        .bg-dark .section-header p { color: rgba(255,255,255,0.55); }

        @media (max-width: 768px) { .section { padding: 56px 0; } }

        /* ===== 卡片网格 ===== */
        .grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
        @media (max-width: 992px) {
            .grid-4 { grid-template-columns: repeat(2, 1fr); }
            .grid-3 { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 576px) {
            .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; }
        }

        .card {
            background: var(--bg-white); border-radius: var(--radius-md);
            border: 1px solid var(--border); padding: 28px 24px;
            transition: var(--transition); position: relative; overflow: hidden;
        }
        .card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: transparent; }
        .card-icon {
            width: 52px; height: 52px; border-radius: 14px;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.4rem; color: #fff; margin-bottom: 18px;
            background: var(--primary);
        }
        .card-icon.accent { background: var(--accent); color: var(--primary-dark); }
        .card h3 { font-size: 1.15rem; margin-bottom: 10px; }
        .card p { font-size: 0.95rem; color: var(--text-muted); line-height: 1.7; }
        .card .tag {
            display: inline-block; font-size: 0.75rem; font-weight: 600;
            padding: 4px 12px; border-radius: 40px; background: var(--bg-light);
            color: var(--text-muted); margin-bottom: 14px;
        }
        .card .tag.accent-tag { background: rgba(201,168,76,0.12); color: var(--accent-dark); }

        /* ===== 特色卡片（带图片） ===== */
        .cover-card {
            border-radius: var(--radius-md); overflow: hidden;
            background: var(--bg-white); border: 1px solid var(--border);
            transition: var(--transition);
        }
        .cover-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .cover-card .img-wrap {
            width: 100%; aspect-ratio: 16/10; overflow: hidden; position: relative;
            background: var(--bg-light);
        }
        .cover-card .img-wrap img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .cover-card:hover .img-wrap img { transform: scale(1.04); }
        .cover-card .body { padding: 22px 24px 26px; }
        .cover-card .body h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .cover-card .body p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.7; margin-bottom: 14px; }
        .cover-card .meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: var(--text-muted); }
        .cover-card .meta i { margin-right: 4px; }

        /* ===== 资讯列表 ===== */
        .news-list { display: flex; flex-direction: column; gap: 16px; }
        .news-item {
            display: flex; align-items: center; gap: 20px;
            padding: 18px 22px; background: var(--bg-white);
            border-radius: var(--radius-sm); border: 1px solid var(--border);
            transition: var(--transition);
        }
        .news-item:hover { background: var(--bg-light); border-color: transparent; box-shadow: var(--shadow-sm); }
        .news-item .badge {
            flex-shrink: 0; padding: 4px 14px; border-radius: 30px;
            font-size: 0.75rem; font-weight: 600; background: rgba(201,168,76,0.12);
            color: var(--accent-dark); white-space: nowrap;
        }
        .news-item .title { flex: 1; font-size: 0.95rem; font-weight: 500; color: var(--text-dark); }
        .news-item .title:hover { color: var(--accent); }
        .news-item .date { flex-shrink: 0; font-size: 0.82rem; color: var(--text-muted); white-space: nowrap; }
        @media (max-width: 576px) {
            .news-item { flex-wrap: wrap; gap: 10px; padding: 14px 16px; }
            .news-item .date { width: 100%; text-align: left; font-size: 0.78rem; }
        }

        /* ===== 数据统计 ===== */
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-card {
            text-align: center; padding: 32px 16px;
            background: rgba(255,255,255,0.04); border-radius: var(--radius-md);
            border: 1px solid rgba(255,255,255,0.06); transition: var(--transition);
        }
        .stat-card:hover { background: rgba(255,255,255,0.07); border-color: rgba(201,168,76,0.15); }
        .stat-card .num { font-size: 2.4rem; font-weight: 800; color: var(--accent); line-height: 1.2; }
        .stat-card .label { font-size: 0.9rem; color: rgba(255,255,255,0.55); margin-top: 8px; }
        @media (max-width: 768px) { .stats-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 480px) { .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; } .stat-card { padding: 24px 12px; } }

        /* ===== 流程步骤 ===== */
        .steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
        .step {
            text-align: center; padding: 32px 16px; position: relative;
            background: var(--bg-white); border-radius: var(--radius-md);
            border: 1px solid var(--border); transition: var(--transition);
        }
        .step:hover { transform: translateY(-3px); box-shadow: var(--shadow-sm); }
        .step .step-num {
            width: 44px; height: 44px; border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            margin: 0 auto 18px; font-size: 1.1rem; font-weight: 700;
            background: var(--primary); color: #fff;
        }
        .step:nth-child(2) .step-num { background: var(--accent); color: var(--primary-dark); }
        .step:nth-child(3) .step-num { background: var(--primary-light); }
        .step:nth-child(4) .step-num { background: var(--accent-dark); color: #fff; }
        .step h4 { font-size: 1.05rem; margin-bottom: 8px; }
        .step p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }
        @media (max-width: 992px) { .steps { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 576px) { .steps { grid-template-columns: 1fr; } }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-white); border-radius: var(--radius-sm);
            border: 1px solid var(--border); overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: transparent; box-shadow: var(--shadow-sm); }
        .faq-question {
            display: flex; align-items: center; justify-content: space-between;
            padding: 18px 24px; font-weight: 600; font-size: 1rem;
            color: var(--text-dark); cursor: pointer; user-select: none;
            transition: var(--transition); gap: 16px;
        }
        .faq-question i { color: var(--accent); font-size: 0.85rem; transition: var(--transition); flex-shrink: 0; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0; overflow: hidden; transition: var(--transition);
            padding: 0 24px; color: var(--text-muted); font-size: 0.95rem; line-height: 1.8;
        }
        .faq-item.open .faq-answer { max-height: 300px; padding: 0 24px 20px; }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover; background-position: center;
            opacity: 0.08; mix-blend-mode: overlay;
        }
        .cta-content { position: relative; z-index: 1; text-align: center; max-width: 650px; margin: 0 auto; }
        .cta-content h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 16px; }
        .cta-content p { color: rgba(255,255,255,0.65); font-size: 1.05rem; margin-bottom: 32px; }
        .cta-content .btn-primary { font-size: 1.05rem; padding: 18px 44px; }

        /* ===== 页脚 ===== */
        .footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.55);
            padding: 56px 0 28px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand .logo { color: #fff; margin-bottom: 14px; }
        .footer-brand p { font-size: 0.9rem; line-height: 1.8; max-width: 320px; }
        .footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 18px; font-weight: 600; }
        .footer-col a { display: block; font-size: 0.9rem; color: rgba(255,255,255,0.5); padding: 5px 0; transition: var(--transition); }
        .footer-col a:hover { color: var(--accent); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px; display: flex; justify-content: space-between;
            align-items: center; flex-wrap: wrap; gap: 12px;
            font-size: 0.85rem;
        }
        .footer-bottom a { color: rgba(255,255,255,0.4); }
        .footer-bottom a:hover { color: var(--accent); }
        @media (max-width: 992px) { .footer-grid { grid-template-columns: 1fr 1fr; } }
        @media (max-width: 576px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } .footer-bottom { flex-direction: column; text-align: center; } }

        /* ===== 空状态 ===== */
        .empty-state { text-align: center; padding: 40px 20px; color: var(--text-muted); }
        .empty-state i { font-size: 2.4rem; color: var(--border); margin-bottom: 16px; display: block; }
        .empty-state p { font-size: 0.95rem; }

        /* ===== 工具类 ===== */
        .text-center { text-align: center; }
        .mt-8 { margin-top: 8px; }
        .mt-16 { margin-top: 16px; }
        .mt-24 { margin-top: 24px; }
        .mb-24 { margin-bottom: 24px; }
        .gap-8 { gap: 8px; }
        .gap-16 { gap: 16px; }

        /* focus 辅助 */
        a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

        /* ===== 滚动动画 ===== */
        .fade-up { opacity: 0; transform: translateY(30px); transition: opacity 0.6s ease, transform 0.6s ease; }
        .fade-up.visible { opacity: 1; transform: translateY(0); }

        /* ===== 移动端适配完善 ===== */
        @media (max-width: 480px) {
            .hero h1 { font-size: 1.7rem; }
            .hero p { font-size: 0.95rem; }
            .hero-stat h4 { font-size: 1.3rem; }
            .card { padding: 20px 16px; }
            .cover-card .body { padding: 16px 18px 20px; }
            .faq-question { padding: 14px 16px; font-size: 0.9rem; }
            .faq-answer { font-size: 0.88rem; }
            .btn-primary, .btn-secondary { padding: 14px 28px; font-size: 0.9rem; }
            .cta-section { padding: 56px 0; }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2a44;
            --accent: #e8a838;
            --accent-light: #f0c060;
            --accent-dark: #c88a20;
            --bg-body: #f5f7fa;
            --bg-white: #ffffff;
            --bg-dark: #0f1a2a;
            --bg-card: #ffffff;
            --text-primary: #1a2a3a;
            --text-secondary: #4a5a6a;
            --text-muted: #8a9aaa;
            --text-white: #ffffff;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.12);
            --shadow-xl: 0 24px 60px rgba(0, 0, 0, 0.16);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-body);
            min-height: 100vh;
        }

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

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

        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            transition: var(--transition);
        }

        ul,
        ol {
            list-style: none;
        }

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

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== 版块间距 ===== */
        .section {
            padding: 80px 0;
        }

        .section-sm {
            padding: 48px 0;
        }

        .section-lg {
            padding: 120px 0;
        }

        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 64px 0;
            }
        }

        /* ===== 标题与文字 ===== */
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            line-height: 1.25;
            letter-spacing: -0.02em;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.7;
        }

        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }

        .section-header .section-subtitle {
            margin: 0 auto;
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
            .section-header {
                margin-bottom: 36px;
            }
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
            border: 2px solid transparent;
            background: transparent;
            color: var(--text-primary);
        }

        .btn-primary {
            background: var(--primary);
            color: var(--text-white);
            border-color: var(--primary);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            border-color: var(--primary-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }

        .btn-accent {
            background: var(--accent);
            color: var(--text-white);
            border-color: var(--accent);
        }

        .btn-accent:hover {
            background: var(--accent-light);
            border-color: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .btn-accent:active {
            transform: translateY(0);
        }

        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border-color: rgba(255, 255, 255, 0.5);
        }

        .btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--text-white);
            transform: translateY(-2px);
        }

        .btn-outline:active {
            transform: translateY(0);
        }

        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: var(--radius-md);
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 0.875rem;
            border-radius: var(--radius-sm);
        }

        /* ===== 标签/徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            background: var(--accent);
            color: var(--text-white);
            letter-spacing: 0.02em;
        }

        .badge-light {
            background: rgba(232, 168, 56, 0.15);
            color: var(--accent-dark);
        }

        .badge-primary {
            background: rgba(26, 58, 92, 0.12);
            color: var(--primary);
        }

        .badge-outline {
            background: transparent;
            border: 1.5px solid var(--border);
            color: var(--text-secondary);
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: var(--transition);
            border: 1px solid var(--border-light);
        }

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

        .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
        }

        .card-body {
            padding: 24px;
        }

        .card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
        }

        .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
            margin-bottom: 12px;
        }

        /* ===== 网格 ===== */
        .grid-2 {
            display: grid;
            grid-template-columns: repeat(2, 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;
        }

        @media (max-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }

        @media (max-width: 768px) {
            .grid-2,
            .grid-3,
            .grid-4 {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* ===== Header / 导航 ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            transition: var(--transition);
        }

        .header.scrolled {
            box-shadow: var(--shadow-md);
            background: rgba(255, 255, 255, 0.98);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.03em;
        }

        .logo i {
            font-size: 1.8rem;
            color: var(--accent);
        }

        .logo span {
            color: var(--primary);
        }

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

        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }

        .nav-main a:hover {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.06);
        }

        .nav-main a.active {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.10);
            font-weight: 600;
        }

        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-body);
            border-radius: 40px;
            padding: 0 16px;
            border: 1.5px solid var(--border);
            transition: var(--transition);
            height: 40px;
        }

        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 4px rgba(26, 58, 92, 0.10);
            background: var(--bg-white);
        }

        .search-box i {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-right: 10px;
        }

        .search-box input {
            background: transparent;
            border: none;
            outline: none;
            padding: 8px 0;
            font-size: 0.9rem;
            color: var(--text-primary);
            width: 140px;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .header-cta {
            padding: 8px 20px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--accent);
            color: var(--text-white);
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }

        .header-cta:hover {
            background: var(--accent-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .menu-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text-primary);
            background: none;
            border: none;
            cursor: pointer;
            padding: 4px 8px;
        }

        /* 移动端导航 */
        .mobile-nav {
            display: none;
            position: fixed;
            top: var(--header-height);
            left: 0;
            right: 0;
            background: var(--bg-white);
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-lg);
            padding: 20px 24px;
            flex-direction: column;
            gap: 8px;
            z-index: 999;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }

        .mobile-nav.open {
            max-height: 400px;
            padding: 20px 24px;
        }

        .mobile-nav a {
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            font-weight: 500;
            color: var(--text-secondary);
        }

        .mobile-nav a:hover {
            background: var(--bg-body);
            color: var(--primary);
        }

        .mobile-nav a.active {
            color: var(--primary);
            background: rgba(26, 58, 92, 0.08);
            font-weight: 600;
        }

        @media (max-width: 768px) {
            .nav-main {
                display: none;
            }
            .search-box {
                display: none;
            }
            .header-cta {
                display: none;
            }
            .menu-toggle {
                display: block;
            }
            .mobile-nav {
                display: flex;
            }
            .header-inner {
                padding: 0 16px;
            }
        }

        /* ===== Banner ===== */
        .banner {
            position: relative;
            padding: 140px 0 100px;
            margin-top: var(--header-height);
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            min-height: 360px;
            display: flex;
            align-items: center;
        }

        .banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 42, 0.88) 0%, rgba(26, 58, 92, 0.72) 100%);
            z-index: 1;
        }

        .banner-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }

        .banner-title {
            font-size: 3rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .banner-sub {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 600px;
        }

        .banner-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }

        .banner .badge {
            margin-bottom: 16px;
        }

        @media (max-width: 768px) {
            .banner {
                padding: 100px 0 64px;
                min-height: 280px;
            }
            .banner-title {
                font-size: 2rem;
            }
            .banner-sub {
                font-size: 1rem;
            }
            .banner-actions {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== 服务概览 ===== */
        .overview-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .overview-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4 / 3;
            object-fit: cover;
            width: 100%;
        }

        .overview-text h3 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .overview-text p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .overview-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .overview-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 1rem;
            color: var(--text-secondary);
        }

        .overview-list li i {
            color: var(--accent);
            font-size: 1.2rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .overview-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .overview-text h3 {
                font-size: 1.4rem;
            }
        }

        /* ===== 服务卡片 ===== */
        .service-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid var(--border-light);
            display: flex;
            flex-direction: column;
        }

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

        .service-card .card-img {
            aspect-ratio: 16 / 11;
        }

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

        .service-card .card-title {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .service-card .card-text {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.65;
            flex: 1;
        }

        .service-card .card-footer {
            margin-top: 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            border-top: 1px solid var(--border-light);
        }

        .service-card .card-footer .btn {
            padding: 6px 16px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        .service-card .badge {
            font-size: 0.75rem;
            padding: 2px 12px;
        }

        /* ===== 流程步骤 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }

        .step-item {
            text-align: center;
            padding: 32px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }

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

        .step-number {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            font-size: 1.4rem;
            font-weight: 700;
            margin: 0 auto 16px;
            transition: var(--transition);
        }

        .step-item:hover .step-number {
            background: var(--accent);
            transform: scale(1.08);
        }

        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 1024px) {
            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .step-item {
                padding: 24px 16px;
            }
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            background: var(--primary);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            box-shadow: var(--shadow-lg);
        }

        .stat-item {
            text-align: center;
            color: var(--text-white);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 1rem;
            opacity: 0.85;
            font-weight: 400;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                padding: 32px 20px;
                gap: 20px;
            }
            .stat-number {
                font-size: 2rem;
            }
        }

        @media (max-width: 480px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
                padding: 24px 16px;
            }
            .stat-number {
                font-size: 1.6rem;
            }
        }

        /* ===== 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-md);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-sm);
        }

        .faq-question {
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            gap: 16px;
            background: none;
            width: 100%;
            text-align: left;
            border: none;
            transition: var(--transition);
        }

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

        .faq-question i {
            font-size: 1.2rem;
            color: var(--accent);
            transition: var(--transition);
            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-secondary);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-answer {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            padding: 100px 0;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 42, 0.88) 0%, rgba(26, 58, 92, 0.76) 100%);
            z-index: 1;
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-content p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-content .btn {
            margin: 0 8px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 0;
            }
            .cta-content h2 {
                font-size: 1.6rem;
            }
            .cta-content p {
                font-size: 1rem;
            }
            .cta-content .btn {
                margin: 4px 0;
                width: 100%;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.85);
            padding: 64px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            margin-bottom: 16px;
            font-size: 1.3rem;
        }

        .footer-brand .logo span {
            color: #fff;
        }

        .footer-brand .logo i {
            color: var(--accent);
        }

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            opacity: 0.75;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            padding: 6px 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-col a i {
            width: 20px;
            color: var(--accent);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.10);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }

        .footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }

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

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .footer {
                padding: 40px 0 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        /* ===== 工具类 ===== */
        .text-center {
            text-align: center;
        }

        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mt-48 {
            margin-top: 48px;
        }

        .gap-8 {
            gap: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .gap-16 {
            gap: 16px;
        }

        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .flex-wrap {
            flex-wrap: wrap;
        }

        /* ===== 背景变体 ===== */
        .bg-white {
            background: var(--bg-white);
        }

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

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

        /* ===== 响应式微调 ===== */
        @media (max-width: 520px) {
            .banner-title {
                font-size: 1.6rem;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .overview-text h3 {
                font-size: 1.2rem;
            }
            .footer-grid {
                gap: 20px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.4rem;
            }
        }

        /* focus 可访问性 */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        /* ===== 图片占位优雅降级 ===== */
        img {
            background: var(--border-light);
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f0f23;
            --primary-light: #1e1e3a;
            --primary-mid: #2a2a4a;
            --accent: #e8b830;
            --accent-hover: #d4a520;
            --accent-soft: rgba(232, 184, 48, 0.12);
            --accent-glow: rgba(232, 184, 48, 0.25);
            --bg: #f5f6fa;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0a0a1a;
            --text: #1a1a2e;
            --text-light: #6b7280;
            --text-lighter: #9ca3af;
            --text-white: #f9fafb;
            --border: #e5e7eb;
            --border-light: #f0f0f5;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 40px rgba(0, 0, 0, 0.08);
            --shadow-hover: 0 12px 48px rgba(0, 0, 0, 0.12);
            --shadow-accent: 0 4px 20px rgba(232, 184, 48, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 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);
        }
        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;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--text);
        }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header & Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 15, 35, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: var(--header-height);
            transition: var(--transition);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: var(--text-white);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--accent);
            font-size: 24px;
        }
        .logo span {
            background: linear-gradient(135deg, #fff 60%, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-main {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-main a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            position: relative;
        }
        .nav-main a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }
        .nav-main a.active {
            color: #fff;
            background: rgba(232, 184, 48, 0.15);
        }
        .nav-main a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 2px;
            background: var(--accent);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-box input {
            width: 200px;
            padding: 8px 16px 8px 38px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            font-size: 14px;
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: var(--transition);
        }
        .search-box input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .search-box input:focus {
            background: rgba(255, 255, 255, 0.14);
            border-color: var(--accent);
            width: 260px;
        }
        .search-box i {
            position: absolute;
            left: 14px;
            color: rgba(255, 255, 255, 0.4);
            font-size: 14px;
            pointer-events: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            cursor: pointer;
            transition: var(--transition);
            border: none;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: var(--shadow-accent);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 1.5px solid rgba(255, 255, 255, 0.2);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: rgba(232, 184, 48, 0.08);
        }
        .btn-sm {
            padding: 6px 16px;
            font-size: 13px;
            border-radius: 6px;
        }
        .mobile-toggle {
            display: none;
            background: none;
            color: #fff;
            font-size: 24px;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        @media (max-width: 1024px) {
            .search-box input {
                width: 140px;
            }
            .search-box input:focus {
                width: 180px;
            }
        }
        @media (max-width: 768px) {
            .nav-main {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(15, 15, 35, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.06);
                transform: translateY(-120%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .nav-main.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-main a {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
            }
            .header-actions {
                gap: 10px;
            }
            .search-box input {
                width: 120px;
            }
            .search-box input:focus {
                width: 150px;
            }
            .mobile-toggle {
                display: block;
            }
            .btn-primary span {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .search-box input {
                width: 90px;
                padding: 6px 12px 6px 32px;
                font-size: 13px;
            }
            .search-box i {
                left: 10px;
                font-size: 12px;
            }
            .logo {
                font-size: 17px;
            }
            .logo i {
                font-size: 20px;
            }
            .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

        /* ===== Article Banner ===== */
        .article-banner {
            position: relative;
            padding: 120px 0 80px;
            margin-top: var(--header-height);
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 60%, #0a0a1a 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }
        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .article-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 35, 0.85) 0%, rgba(30, 30, 58, 0.6) 100%);
        }
        .article-banner .container {
            position: relative;
            z-index: 2;
        }
        .article-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-breadcrumb a {
            color: rgba(255, 255, 255, 0.55);
        }
        .article-breadcrumb a:hover {
            color: var(--accent);
        }
        .article-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.25);
        }
        .article-breadcrumb .current {
            color: rgba(255, 255, 255, 0.85);
        }
        .article-banner h1 {
            font-size: clamp(28px, 4vw, 48px);
            color: #fff;
            max-width: 860px;
            line-height: 1.2;
            font-weight: 800;
            letter-spacing: -0.5px;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 16px 28px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i {
            font-size: 14px;
            color: var(--accent);
        }
        .article-meta .category-tag {
            display: inline-block;
            padding: 3px 14px;
            border-radius: 20px;
            background: var(--accent);
            color: var(--primary);
            font-weight: 600;
            font-size: 12px;
            letter-spacing: 0.3px;
        }
        @media (max-width: 768px) {
            .article-banner {
                padding: 100px 0 56px;
                min-height: 240px;
            }
            .article-banner h1 {
                font-size: 24px;
            }
            .article-meta {
                gap: 10px 18px;
                font-size: 13px;
            }
        }
        @media (max-width: 520px) {
            .article-banner {
                padding: 80px 0 40px;
                min-height: 200px;
            }
            .article-banner h1 {
                font-size: 20px;
            }
            .article-meta {
                gap: 6px 12px;
                font-size: 12px;
            }
        }

        /* ===== Main Content Area ===== */
        .article-main {
            padding: 48px 0 64px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
        }
        @media (max-width: 1024px) {
            .article-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== Article Body ===== */
        .article-body {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 48px 56px;
            overflow: hidden;
        }
        .article-content {
            font-size: 16px;
            line-height: 1.9;
            color: var(--text);
        }
        .article-content h2 {
            font-size: 26px;
            margin-top: 40px;
            margin-bottom: 16px;
            color: var(--primary);
            padding-bottom: 8px;
            border-bottom: 2px solid var(--border-light);
        }
        .article-content h3 {
            font-size: 20px;
            margin-top: 32px;
            margin-bottom: 12px;
            color: var(--primary);
        }
        .article-content h4 {
            font-size: 18px;
            margin-top: 24px;
            margin-bottom: 8px;
        }
        .article-content p {
            margin-bottom: 20px;
        }
        .article-content ul,
        .article-content ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-content ul li {
            list-style: disc;
            margin-bottom: 6px;
        }
        .article-content ol li {
            list-style: decimal;
            margin-bottom: 6px;
        }
        .article-content blockquote {
            margin: 28px 0;
            padding: 20px 28px;
            border-left: 4px solid var(--accent);
            background: var(--accent-soft);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-content blockquote p {
            margin-bottom: 0;
        }
        .article-content img {
            border-radius: var(--radius-sm);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }
        .article-content a {
            color: var(--accent-hover);
            text-decoration: underline;
            text-underline-offset: 2px;
        }
        .article-content a:hover {
            color: var(--accent);
        }
        .article-content code {
            background: var(--border-light);
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 14px;
        }
        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
        }
        .article-content table th {
            background: var(--primary);
            color: #fff;
            padding: 12px 16px;
            font-weight: 600;
            text-align: left;
        }
        .article-content table td {
            padding: 10px 16px;
            border-bottom: 1px solid var(--border-light);
        }
        .article-content table tr:last-child td {
            border-bottom: none;
        }
        .article-content table tr:hover td {
            background: var(--accent-soft);
        }

        @media (max-width: 768px) {
            .article-body {
                padding: 28px 20px;
            }
            .article-content h2 {
                font-size: 22px;
            }
            .article-content h3 {
                font-size: 18px;
            }
            .article-content {
                font-size: 15px;
            }
        }
        @media (max-width: 520px) {
            .article-body {
                padding: 20px 16px;
                border-radius: var(--radius-sm);
            }
            .article-content h2 {
                font-size: 19px;
            }
            .article-content h3 {
                font-size: 16px;
            }
            .article-content {
                font-size: 14px;
            }
            .article-content blockquote {
                padding: 14px 18px;
            }
        }

        /* ===== Article Tags & Share ===== */
        .article-footer-bar {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0 8px;
            margin-top: 32px;
            border-top: 1px solid var(--border-light);
            gap: 16px;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .article-tags .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 20px;
            background: var(--accent-soft);
            color: var(--accent-hover);
            font-size: 13px;
            font-weight: 500;
            transition: var(--transition);
        }
        .article-tags .tag:hover {
            background: var(--accent);
            color: var(--primary);
        }
        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .article-share span {
            font-size: 14px;
            color: var(--text-light);
        }
        .article-share a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--border-light);
            color: var(--text-light);
            font-size: 16px;
            transition: var(--transition);
        }
        .article-share a:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
        }
        @media (max-width: 520px) {
            .article-footer-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
        }

        /* ===== Article Navigation (prev/next) ===== */
        .article-nav {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            margin-top: 32px;
            padding-top: 24px;
            border-top: 1px solid var(--border-light);
        }
        .article-nav a {
            display: flex;
            flex-direction: column;
            gap: 4px;
            padding: 18px 20px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .article-nav a:hover {
            border-color: var(--accent);
            background: var(--accent-soft);
            transform: translateY(-2px);
            box-shadow: var(--shadow);
        }
        .article-nav .nav-label {
            font-size: 12px;
            color: var(--text-lighter);
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }
        .article-nav .nav-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .article-nav .nav-next {
            text-align: right;
        }
        @media (max-width: 768px) {
            .article-nav {
                grid-template-columns: 1fr;
            }
            .article-nav .nav-next {
                text-align: left;
            }
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 24px 20px;
            border: 1px solid var(--border-light);
        }
        .sidebar-card h3 {
            font-size: 17px;
            margin-bottom: 16px;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i {
            color: var(--accent);
        }
        .sidebar-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .sidebar-list a {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            padding: 8px 0;
            border-bottom: 1px solid var(--border-light);
            font-size: 14px;
            color: var(--text);
            transition: var(--transition);
        }
        .sidebar-list a:last-child {
            border-bottom: none;
        }
        .sidebar-list a:hover {
            color: var(--accent-hover);
            padding-left: 4px;
        }
        .sidebar-list a .num {
            flex-shrink: 0;
            width: 24px;
            height: 24px;
            border-radius: 6px;
            background: var(--accent-soft);
            color: var(--accent-hover);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 700;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            color: #fff;
        }
        .sidebar-cta h4 {
            color: #fff;
            font-size: 18px;
            margin-bottom: 8px;
        }
        .sidebar-cta p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 18px;
        }
        .sidebar-cta .btn {
            width: 100%;
        }
        @media (max-width: 1024px) {
            .article-sidebar {
                display: grid;
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
        }
        @media (max-width: 520px) {
            .article-sidebar {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 64px 0 48px;
            background: var(--bg-white);
        }
        .related-section .section-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .related-section .section-header h2 {
            font-size: 28px;
            color: var(--primary);
            position: relative;
            padding-left: 16px;
        }
        .related-section .section-header h2::before {
            content: '';
            position: absolute;
            left: 0;
            top: 4px;
            bottom: 4px;
            width: 4px;
            border-radius: 2px;
            background: var(--accent);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--bg);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            transition: var(--transition);
        }
        .related-card:hover .card-img {
            transform: scale(1.03);
        }
        .related-card .card-body {
            padding: 20px 18px 22px;
        }
        .related-card .card-cat {
            font-size: 12px;
            font-weight: 600;
            color: var(--accent-hover);
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 6px;
        }
        .related-card .card-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
        }
        .related-card .card-title:hover {
            color: var(--accent-hover);
        }
        .related-card .card-meta {
            font-size: 13px;
            color: var(--text-lighter);
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .related-card .card-meta i {
            font-size: 12px;
        }
        @media (max-width: 1024px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .related-grid {
                grid-template-columns: 1fr;
            }
            .related-section .section-header h2 {
                font-size: 22px;
            }
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 72px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            font-size: clamp(26px, 3.5vw, 38px);
            color: #fff;
            margin-bottom: 12px;
            font-weight: 800;
        }
        .cta-section p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-buttons {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-buttons .btn-primary {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .cta-buttons .btn-primary:hover {
            background: var(--accent);
            color: var(--primary);
            box-shadow: var(--shadow-accent);
        }
        .cta-buttons .btn-outline {
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .cta-buttons .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 520px) {
            .cta-section {
                padding: 48px 0;
            }
            .cta-section p {
                font-size: 15px;
            }
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            padding: 64px 0 80px;
            background: var(--bg);
        }
        .faq-section .section-header {
            text-align: center;
            margin-bottom: 40px;
        }
        .faq-section .section-header h2 {
            font-size: 30px;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .faq-section .section-header p {
            color: var(--text-light);
            font-size: 16px;
        }
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
            box-shadow: var(--shadow);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            cursor: pointer;
            gap: 16px;
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            transition: var(--transition);
            user-select: none;
        }
        .faq-question:hover {
            color: var(--accent-hover);
        }
        .faq-question i {
            color: var(--accent);
            font-size: 14px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item.active .faq-question i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 400px;
            padding: 0 22px 20px;
        }
        @media (max-width: 768px) {
            .faq-section .section-header h2 {
                font-size: 24px;
            }
            .faq-question {
                padding: 14px 16px;
                font-size: 15px;
            }
            .faq-answer {
                font-size: 14px;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 0;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 16px;
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 0;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom a:hover {
            color: var(--accent);
        }
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .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;
            }
        }

        /* ===== Not Found ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 20px;
            background: var(--bg-white);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
        }
        .not-found-box i {
            font-size: 56px;
            color: var(--text-lighter);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 28px;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--text-light);
            margin-bottom: 24px;
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .gap-8 {
            gap: 8px;
        }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

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