/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1e3a5f;
            --primary-light: #2a5298;
            --primary-dark: #0f2440;
            --accent: #e8a838;
            --accent-light: #f0c060;
            --accent-dark: #c88a20;
            --bg-body: #f7f9fc;
            --bg-card: #ffffff;
            --bg-dark: #0f1a2e;
            --text-primary: #1a2332;
            --text-secondary: #4a5568;
            --text-muted: #8896a8;
            --text-white: #f0f4fa;
            --border-light: #e2e8f0;
            --border-accent: #d4a030;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.07);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.14);
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        }

        /* ===== 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-sans);
            background-color: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        a:focus-visible { outline: 3px solid var(--accent); outline-offset: 3px; border-radius: var(--radius-sm); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }

        /* ===== 容器 ===== */
        .container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 640px) { .container { padding: 0 16px; } }

        /* ===== 板块间距 ===== */
        .section-padding { padding: 80px 0; }
        @media (max-width: 768px) { .section-padding { padding: 48px 0; } }
        .section-title { font-size: 2rem; font-weight: 800; margin-bottom: 12px; letter-spacing: -0.02em; }
        .section-subtitle { font-size: 1.1rem; color: var(--text-secondary); max-width: 640px; margin-bottom: 40px; }
        @media (max-width: 640px) { .section-title { font-size: 1.6rem; } .section-subtitle { font-size: 1rem; } }

        /* ===== 双层导航 ===== */
        .top-bar {
            background: var(--primary-dark);
            color: var(--text-white);
            padding: 8px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .top-bar .container { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; }
        .top-bar a { color: rgba(255,255,255,0.75); transition: color var(--transition); }
        .top-bar a:hover { color: var(--accent-light); }
        .top-bar-left { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
        .top-bar-right { display: flex; align-items: center; gap: 14px; }
        .top-bar-divider { width: 1px; height: 14px; background: rgba(255,255,255,0.15); }

        .main-header {
            background: var(--bg-card);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            position: sticky; top: 0; z-index: 100;
            transition: box-shadow var(--transition);
        }
        .main-header.scrolled { box-shadow: var(--shadow-md); }
        .main-header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
        .logo { font-size: 1.5rem; font-weight: 800; color: var(--primary); letter-spacing: -0.02em; display: flex; align-items: center; gap: 10px; }
        .logo i { color: var(--accent); font-size: 1.3rem; }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

        .nav-tabs { display: flex; align-items: center; gap: 6px; }
        .nav-tabs a {
            padding: 8px 20px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.92rem;
            color: var(--text-secondary);
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-tabs a:hover { background: rgba(30, 58, 95, 0.06); color: var(--primary); }
        .nav-tabs a.active { background: var(--primary); color: #fff; box-shadow: 0 4px 14px rgba(30,58,95,0.25); }
        .nav-cta { display: flex; align-items: center; gap: 12px; }
        .nav-search { display: flex; align-items: center; background: var(--bg-body); border-radius: 40px; padding: 0 16px; border: 1px solid var(--border-light); transition: border var(--transition); }
        .nav-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,168,56,0.15); }
        .nav-search input { border: none; background: transparent; padding: 8px 4px; outline: none; width: 160px; font-size: 0.88rem; color: var(--text-primary); }
        .nav-search input::placeholder { color: var(--text-muted); }
        .nav-search i { color: var(--text-muted); font-size: 0.9rem; }
        .btn-header { padding: 8px 22px; border-radius: 40px; font-weight: 600; font-size: 0.88rem; background: var(--accent); color: var(--primary-dark); transition: all var(--transition); }
        .btn-header:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(232,168,56,0.35); }

        .mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 6px; cursor: pointer; background: none; border: none; }
        .mobile-toggle span { width: 26px; height: 3px; background: var(--primary); border-radius: 4px; transition: all var(--transition); }

        @media (max-width: 900px) {
            .nav-tabs { display: none; }
            .nav-tabs.open { display: flex; flex-direction: column; position: absolute; top: 100%; left: 0; right: 0; background: var(--bg-card); padding: 16px 24px; border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-md); gap: 8px; }
            .nav-tabs.open a { width: 100%; padding: 12px 20px; }
            .mobile-toggle { display: flex; }
            .nav-search input { width: 100px; }
            .top-bar-right .top-bar-divider { display: none; }
        }
        @media (max-width: 520px) {
            .top-bar-left span { display: none; }
            .nav-cta .btn-header { display: none; }
            .main-header .container { height: 58px; }
            .logo { font-size: 1.2rem; }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 560px;
            display: flex;
            align-items: center;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }
        .hero::before {
            content: '';
            position: absolute; inset: 0;
            background: linear-gradient(135deg, rgba(15,26,46,0.82) 0%, rgba(30,58,95,0.60) 60%, rgba(15,26,46,0.30) 100%);
        }
        .hero-content { position: relative; z-index: 2; max-width: 720px; padding: 80px 0; }
        .hero-badge {
            display: inline-flex; align-items: center; gap: 8px;
            background: rgba(232,168,56,0.18);
            color: var(--accent-light);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 600;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(232,168,56,0.25);
            margin-bottom: 24px;
        }
        .hero h1 {
            font-size: 3.2rem;
            font-weight: 900;
            color: #fff;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0,0,0,0.20);
        }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.85);
            max-width: 580px;
            margin-bottom: 32px;
            line-height: 1.7;
        }
        .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-actions .btn-primary {
            padding: 14px 36px; border-radius: 40px; font-weight: 700; font-size: 1rem;
            background: var(--accent); color: var(--primary-dark);
            transition: all var(--transition); box-shadow: 0 8px 28px rgba(232,168,56,0.35);
        }
        .hero-actions .btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 12px 36px rgba(232,168,56,0.45); }
        .hero-actions .btn-outline {
            padding: 14px 36px; border-radius: 40px; font-weight: 600; font-size: 1rem;
            border: 2px solid rgba(255,255,255,0.30); color: #fff;
            transition: all var(--transition); backdrop-filter: blur(4px);
        }
        .hero-actions .btn-outline:hover { border-color: var(--accent); background: rgba(232,168,56,0.12); }
        @media (max-width: 768px) {
            .hero { min-height: 420px; }
            .hero h1 { font-size: 2.2rem; }
            .hero p { font-size: 1rem; }
            .hero-content { padding: 48px 0; }
        }
        @media (max-width: 520px) {
            .hero h1 { font-size: 1.8rem; }
            .hero-actions .btn-primary, .hero-actions .btn-outline { padding: 12px 24px; font-size: 0.9rem; width: 100%; text-align: center; }
        }

        /* ===== 卡片通用 ===== */
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: all var(--transition);
        }
        .card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
        .card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
        .card-body { padding: 20px 22px; }
        .card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
        .card-text { font-size: 0.92rem; color: var(--text-secondary); line-height: 1.6; }
        .card-meta { display: flex; align-items: center; gap: 12px; font-size: 0.82rem; color: var(--text-muted); margin-top: 12px; }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-block;
            padding: 3px 14px;
            border-radius: 40px;
            font-size: 0.78rem;
            font-weight: 600;
            background: rgba(30, 58, 95, 0.08);
            color: var(--primary);
            transition: all var(--transition);
        }
        .badge-accent { background: rgba(232,168,56,0.15); color: var(--accent-dark); }
        .badge:hover { background: var(--primary); color: #fff; }

        /* ===== 统计数字 ===== */
        .stat-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .stat-item { text-align: center; padding: 28px 16px; background: var(--bg-card); border-radius: var(--radius-md); border: 1px solid var(--border-light); transition: all var(--transition); }
        .stat-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .stat-number { font-size: 2.6rem; font-weight: 900; color: var(--primary); line-height: 1.1; }
        .stat-label { font-size: 0.92rem; color: var(--text-secondary); margin-top: 6px; }
        @media (max-width: 768px) { .stat-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } .stat-number { font-size: 2rem; } }
        @media (max-width: 520px) { .stat-grid { grid-template-columns: 1fr 1fr; } }

        /* ===== 分类入口网格 ===== */
        .cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .cat-card {
            position: relative;
            border-radius: var(--radius-md);
            overflow: hidden;
            aspect-ratio: 4/3;
            display: flex; align-items: flex-end;
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            border: 1px solid var(--border-light);
        }
        .cat-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
        .cat-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
        .cat-card-overlay {
            position: relative; z-index: 2;
            width: 100%;
            padding: 24px 20px 20px;
            background: linear-gradient(transparent, rgba(15,26,46,0.80));
            color: #fff;
        }
        .cat-card-overlay h3 { font-size: 1.3rem; font-weight: 700; color: #fff; margin-bottom: 4px; }
        .cat-card-overlay p { font-size: 0.85rem; opacity: 0.85; }
        .cat-card-overlay .badge { background: var(--accent); color: var(--primary-dark); margin-top: 8px; }
        @media (max-width: 768px) { .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
        @media (max-width: 520px) { .cat-grid { grid-template-columns: 1fr; } }

        /* ===== 内容列表 ===== */
        .content-list { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
        .content-item { display: flex; gap: 20px; background: var(--bg-card); border-radius: var(--radius-md); padding: 16px; border: 1px solid var(--border-light); transition: all var(--transition); }
        .content-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .content-item .thumb { width: 120px; min-height: 88px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; background: var(--border-light); }
        .content-item .info { flex: 1; }
        .content-item .info h4 { font-size: 1rem; font-weight: 700; margin-bottom: 4px; }
        .content-item .info h4 a:hover { color: var(--primary-light); }
        .content-item .info p { font-size: 0.85rem; color: var(--text-secondary); line-height: 1.5; }
        .content-item .meta { font-size: 0.78rem; color: var(--text-muted); margin-top: 8px; display: flex; gap: 12px; }
        .content-item .meta .tag { color: var(--primary); font-weight: 600; }
        @media (max-width: 768px) { .content-list { grid-template-columns: 1fr; } .content-item .thumb { width: 90px; min-height: 68px; } }
        @media (max-width: 520px) { .content-item { flex-direction: column; } .content-item .thumb { width: 100%; min-height: 140px; } }

        /* ===== 流程步骤 ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
        .step-card { text-align: center; padding: 32px 16px; background: var(--bg-card); border-radius: var(--radius-md); border: 1px solid var(--border-light); position: relative; transition: all var(--transition); }
        .step-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
        .step-number { width: 52px; height: 52px; border-radius: 50%; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 800; margin: 0 auto 16px; box-shadow: 0 6px 20px rgba(30,58,95,0.20); }
        .step-card h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; }
        .step-card p { font-size: 0.88rem; color: var(--text-secondary); }
        @media (max-width: 768px) { .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; } }
        @media (max-width: 520px) { .steps-grid { 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-card); border-radius: var(--radius-md); border: 1px solid var(--border-light); overflow: hidden; transition: all var(--transition); }
        .faq-item:hover { box-shadow: var(--shadow-sm); }
        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            font-size: 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: background var(--transition);
            color: var(--text-primary);
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover { background: rgba(30,58,95,0.03); }
        .faq-question i { transition: transform var(--transition); color: var(--accent); font-size: 1.1rem; }
        .faq-question.open i { transform: rotate(180deg); }
        .faq-answer { padding: 0 22px 18px; font-size: 0.92rem; color: var(--text-secondary); line-height: 1.7; display: none; }
        .faq-answer.open { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            color: #fff;
            border-radius: var(--radius-lg);
            padding: 60px 48px;
            text-align: center;
            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: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-section h2 { font-size: 2.2rem; font-weight: 800; color: #fff; margin-bottom: 12px; position: relative; }
        .cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.80); margin-bottom: 28px; max-width: 520px; margin-left: auto; margin-right: auto; position: relative; }
        .cta-section .btn-cta {
            padding: 16px 44px; border-radius: 40px; font-weight: 700; font-size: 1.05rem;
            background: var(--accent); color: var(--primary-dark);
            transition: all var(--transition); box-shadow: 0 8px 32px rgba(232,168,56,0.30);
            display: inline-block; position: relative;
        }
        .cta-section .btn-cta:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: 0 12px 40px rgba(232,168,56,0.40); }
        @media (max-width: 768px) { .cta-section { padding: 40px 24px; } .cta-section h2 { font-size: 1.6rem; } }
        @media (max-width: 520px) { .cta-section .btn-cta { width: 100%; } }

        /* ===== 页脚 ===== */
        .footer { background: var(--bg-dark); color: rgba(255,255,255,0.70); padding: 48px 0 32px; }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
        .footer-brand .logo { color: #fff; font-size: 1.4rem; margin-bottom: 12px; }
        .footer-brand .logo span { -webkit-text-fill-color: #fff; background: none; }
        .footer-brand p { font-size: 0.88rem; line-height: 1.7; max-width: 320px; }
        .footer-col h4 { font-size: 0.95rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .footer-col a { display: block; font-size: 0.88rem; padding: 4px 0; color: rgba(255,255,255,0.60); transition: color var(--transition); }
        .footer-col a:hover { color: var(--accent-light); }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); margin-top: 36px; padding-top: 24px; text-align: center; font-size: 0.82rem; color: rgba(255,255,255,0.40); }
        @media (max-width: 768px) { .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; } }

        /* ===== 实用辅助 ===== */
        .text-accent { color: var(--accent); }
        .bg-accent-soft { background: rgba(232,168,56,0.06); }
        .border-accent-soft { border-color: rgba(232,168,56,0.20); }
        .gap-4 { gap: 1rem; }
        .gap-6 { gap: 1.5rem; }
        .gap-8 { gap: 2rem; }
        .mt-2 { margin-top: 0.5rem; }
        .mt-4 { margin-top: 1rem; }
        .mt-6 { margin-top: 1.5rem; }
        .mt-8 { margin-top: 2rem; }
        .mt-12 { margin-top: 3rem; }
        .mb-4 { margin-bottom: 1rem; }
        .mb-8 { margin-bottom: 2rem; }
        .mb-12 { margin-bottom: 3rem; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .text-center { text-align: center; }
        .relative { position: relative; }
        .overflow-hidden { overflow: hidden; }
        .w-full { width: 100%; }
        .bg-white { background: var(--bg-card); }
        .bg-light { background: var(--bg-body); }

        /* ===== 响应式微调 ===== */
        @media (max-width: 640px) {
            .section-padding { padding: 40px 0; }
            .section-title { font-size: 1.4rem; }
            .section-subtitle { font-size: 0.92rem; }
        }

/* roulang page: category1 */
:root {
            --primary: #1e40af;
            --primary-light: #dbeafe;
            --accent: #16a34a;
            --accent-light: #dcfce7;
            --bg-body: #ffffff;
            --text-body: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 0.75rem;
            --shadow: 0 2px 12px rgba(0,0,0,0.06);
            --shadow-hover: 0 8px 30px rgba(0,0,0,0.10);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-body);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color 0.2s ease;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        @media (max-width: 640px) {
            .container {
                padding: 0 1rem;
            }
        }
        /* Header & Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 4px rgba(0, 0, 0, 0.02);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0.75rem 0;
            gap: 1rem;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 0.6rem;
            font-weight: 700;
            font-size: 1.35rem;
            color: var(--primary);
            white-space: nowrap;
        }
        .logo i {
            font-size: 1.5rem;
            color: var(--accent);
        }
        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            background: var(--neutral-50);
            padding: 0.25rem;
            border-radius: 2rem;
            border: 1px solid var(--border);
            overflow-x: auto;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-tabs::-webkit-scrollbar {
            display: none;
        }
        .nav-tabs a {
            padding: 0.5rem 1.25rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            white-space: nowrap;
            transition: all 0.25s ease;
            flex-shrink: 0;
        }
        .nav-tabs a:hover {
            color: var(--primary);
            background: rgba(30, 64, 175, 0.06);
        }
        .nav-tabs a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(30, 64, 175, 0.25);
        }
        .nav-cta {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .nav-cta .search-box {
            display: flex;
            align-items: center;
            background: var(--neutral-50);
            border: 1px solid var(--border);
            border-radius: 2rem;
            padding: 0.35rem 0.75rem 0.35rem 1rem;
            transition: border-color 0.2s;
        }
        .nav-cta .search-box:focus-within {
            border-color: var(--primary);
        }
        .nav-cta .search-box input {
            border: none;
            background: transparent;
            outline: none;
            font-size: 0.85rem;
            color: var(--text-body);
            width: 120px;
        }
        .nav-cta .search-box input::placeholder {
            color: var(--text-muted);
        }
        .nav-cta .search-box button {
            background: none;
            border: none;
            color: var(--text-muted);
            cursor: pointer;
            padding: 0.25rem;
            font-size: 0.9rem;
        }
        .nav-cta .search-box button:hover {
            color: var(--primary);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.4rem;
            color: var(--text-body);
            cursor: pointer;
            padding: 0.25rem;
        }
        @media (max-width: 768px) {
            .header-inner {
                flex-wrap: wrap;
                padding: 0.6rem 0;
            }
            .nav-tabs {
                order: 3;
                width: 100%;
                justify-content: flex-start;
                border-radius: 1.5rem;
                padding: 0.2rem;
                overflow-x: auto;
            }
            .nav-tabs a {
                font-size: 0.82rem;
                padding: 0.4rem 1rem;
            }
            .nav-cta .search-box input {
                width: 80px;
            }
            .mobile-toggle {
                display: block;
            }
        }
        @media (max-width: 520px) {
            .logo {
                font-size: 1.1rem;
            }
            .logo i {
                font-size: 1.2rem;
            }
            .nav-cta .search-box {
                padding: 0.25rem 0.5rem 0.25rem 0.75rem;
            }
            .nav-cta .search-box input {
                width: 60px;
                font-size: 0.8rem;
            }
            .nav-tabs a {
                font-size: 0.75rem;
                padding: 0.3rem 0.75rem;
            }
        }
        /* Hero */
        .page-hero {
            position: relative;
            padding: 4rem 0 3.5rem;
            background: linear-gradient(135deg, #1e3a8a 0%, #1e40af 50%, #1a2d6d 100%);
            color: #fff;
            overflow: hidden;
            min-height: 280px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
        }
        .page-hero h1 {
            font-size: 2.5rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 0.75rem;
            letter-spacing: -0.02em;
        }
        .page-hero p {
            font-size: 1.1rem;
            opacity: 0.9;
            max-width: 640px;
            line-height: 1.6;
        }
        .page-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-size: 0.85rem;
            opacity: 0.75;
            margin-bottom: 1.25rem;
            flex-wrap: wrap;
        }
        .page-hero .breadcrumb a:hover {
            opacity: 1;
            text-decoration: underline;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: 2.5rem 0 2rem;
                min-height: 200px;
            }
            .page-hero h1 {
                font-size: 1.75rem;
            }
            .page-hero p {
                font-size: 0.95rem;
            }
            .page-hero .breadcrumb {
                font-size: 0.78rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.45rem;
            }
            .page-hero p {
                font-size: 0.85rem;
            }
        }
        /* Sections */
        .section {
            padding: 4rem 0;
        }
        .section-alt {
            background: var(--neutral-50);
        }
        .section-sm {
            padding: 2.5rem 0;
        }
        .section-title {
            font-size: 1.85rem;
            font-weight: 700;
            color: var(--text-body);
            margin-bottom: 0.5rem;
            letter-spacing: -0.01em;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 2.5rem;
        }
        @media (max-width: 768px) {
            .section {
                padding: 2.5rem 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-sub {
                font-size: 0.95rem;
                margin-bottom: 1.75rem;
            }
        }
        @media (max-width: 520px) {
            .section-title {
                font-size: 1.3rem;
            }
        }
        /* Cards */
        .card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 1.5rem;
            transition: box-shadow 0.3s ease, transform 0.3s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }
        .card-img {
            border-radius: var(--radius) var(--radius) 0 0;
            overflow: hidden;
            margin: -1.5rem -1.5rem 1rem -1.5rem;
            height: 180px;
            background: var(--neutral-100);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .card-title {
            font-size: 1.1rem;
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: var(--text-body);
        }
        .card-text {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }
        .badge {
            display: inline-block;
            padding: 0.15rem 0.65rem;
            border-radius: 1rem;
            font-size: 0.75rem;
            font-weight: 500;
            background: var(--primary-light);
            color: var(--primary);
        }
        .badge-accent {
            background: var(--accent-light);
            color: var(--accent);
        }
        /* Step list */
        .step-list {
            counter-reset: step;
        }
        .step-item {
            counter-increment: step;
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem 0;
            border-bottom: 1px solid var(--border);
            align-items: flex-start;
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.05rem;
        }
        .step-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 0.25rem;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        @media (max-width: 520px) {
            .step-item {
                gap: 0.75rem;
                padding: 0.75rem 0;
            }
            .step-number {
                width: 2rem;
                height: 2rem;
                font-size: 0.85rem;
            }
            .step-content h4 {
                font-size: 0.95rem;
            }
        }
        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border);
            padding: 1rem 0;
        }
        .faq-item:last-child {
            border-bottom: none;
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text-body);
            padding: 0.25rem 0;
            user-select: none;
        }
        .faq-question i {
            color: var(--text-muted);
            transition: transform 0.3s ease;
            font-size: 0.9rem;
        }
        .faq-question.open i {
            transform: rotate(180deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.3s ease;
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-answer.open {
            max-height: 300px;
            padding-top: 0.5rem;
        }
        /* CTA */
        .cta-block {
            background: linear-gradient(135deg, #1e3a8a 0%, #1a2d6d 100%);
            color: #fff;
            border-radius: var(--radius);
            padding: 3rem 2.5rem;
            text-align: center;
        }
        .cta-block h3 {
            font-size: 1.65rem;
            font-weight: 700;
            margin-bottom: 0.75rem;
        }
        .cta-block p {
            opacity: 0.9;
            max-width: 520px;
            margin: 0 auto 1.5rem;
            font-size: 1rem;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.65rem 1.75rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .btn-primary {
            background: #fff;
            color: var(--primary);
        }
        .btn-primary:hover {
            background: var(--neutral-100);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(255, 255, 255, 0.25);
        }
        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
        }
        .btn-outline-light:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
        }
        @media (max-width: 640px) {
            .cta-block {
                padding: 2rem 1.5rem;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .cta-block p {
                font-size: 0.9rem;
            }
            .btn {
                padding: 0.55rem 1.4rem;
                font-size: 0.85rem;
            }
        }
        /* Footer */
        .footer {
            background: #0f172a;
            color: rgba(255, 255, 255, 0.8);
            padding: 3.5rem 0 0;
            margin-top: 4rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 2rem;
            padding-bottom: 2rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 0.75rem;
        }
        .footer-brand .logo i {
            color: #4ade80;
        }
        .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.7;
            opacity: 0.7;
            max-width: 340px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 1rem;
        }
        .footer-col a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 0.3rem 0;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-col a i {
            width: 1.2rem;
        }
        .footer-bottom {
            text-align: center;
            padding: 1.5rem 0;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 1.5rem;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.25rem;
            }
            .footer {
                padding-top: 2.5rem;
            }
        }
        /* Security tips grid */
        .tip-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 1rem;
        }
        .tip-card {
            background: #fff;
            border-radius: var(--radius);
            padding: 1.25rem 1.5rem;
            border: 1px solid var(--border);
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            transition: box-shadow 0.25s;
        }
        .tip-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .tip-icon {
            width: 2.5rem;
            height: 2.5rem;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 1.1rem;
        }
        .tip-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 0.2rem;
        }
        .tip-content p {
            font-size: 0.85rem;
            color: var(--text-muted);
            line-height: 1.5;
        }
        @media (max-width: 520px) {
            .tip-card {
                padding: 1rem;
            }
            .tip-icon {
                width: 2rem;
                height: 2rem;
                font-size: 0.9rem;
            }
        }
        /* Grid helpers */
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 1.5rem;
        }
        .grid-3 {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }
        @media (max-width: 768px) {
            .grid-2 {
                grid-template-columns: 1fr;
            }
            .grid-3 {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 520px) {
            .grid-3 {
                grid-template-columns: 1fr;
            }
        }
        /* Responsive video / image */
        .media-wrapper {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
        }
        /* Utility */
        .text-balance {
            text-wrap: balance;
        }
        .gap-section {
            margin-top: 1rem;
        }

/* roulang page: article */
:root {
            --primary: #1e40af;
            --primary-light: #dbeafe;
            --primary-dark: #1e3a8a;
            --accent: #f59e0b;
            --accent-light: #fef3c7;
            --bg-body: #f8fafc;
            --text-body: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08);
            --shadow-lg: 0 10px 40px rgba(0,0,0,0.10);
            --radius: 0.75rem;
        }
        * { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'PingFang SC','Microsoft YaHei','Helvetica Neue',Arial,sans-serif; background: var(--bg-body); color: var(--text-body); line-height: 1.7; -webkit-font-smoothing: antialiased; }
        a { color: inherit; text-decoration: none; transition: color 0.2s; }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius); }
        button { cursor: pointer; font-family: inherit; }
        input,textarea { font-family: inherit; }

        .container { max-width: 1200px; margin: 0 auto; padding: 0 1.5rem; }
        @media (max-width: 768px) { .container { padding: 0 1rem; } }

        /* header / nav */
        .site-header { background: #fff; border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; box-shadow: var(--shadow-sm); }
        .header-inner { display: flex; align-items: center; justify-content: space-between; height: 64px; }
        .logo { display: flex; align-items: center; gap: 0.5rem; font-size: 1.35rem; font-weight: 700; color: var(--primary); }
        .logo i { font-size: 1.5rem; color: var(--accent); }
        .nav-tabs { display: flex; align-items: center; gap: 0.25rem; background: var(--neutral-50); padding: 0.25rem; border-radius: 2rem; }
        .nav-tabs a { display: flex; align-items: center; gap: 0.4rem; padding: 0.5rem 1.25rem; border-radius: 2rem; font-size: 0.9rem; font-weight: 500; color: var(--text-muted); transition: all 0.2s; white-space: nowrap; }
        .nav-tabs a:hover { color: var(--primary); background: rgba(30,64,175,0.06); }
        .nav-tabs a.active { background: var(--primary); color: #fff; box-shadow: 0 2px 8px rgba(30,64,175,0.25); }
        .nav-tabs a.active:hover { background: var(--primary-dark); }
        .header-actions { display: flex; align-items: center; gap: 1rem; }
        .search-box { display: flex; align-items: center; background: var(--neutral-50); border-radius: 2rem; padding: 0.35rem 0.35rem 0.35rem 1rem; border: 1px solid var(--border); transition: all 0.2s; }
        .search-box:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(30,64,175,0.1); }
        .search-box input { border: none; background: transparent; outline: none; font-size: 0.85rem; color: var(--text-body); width: 140px; }
        .search-box button { background: var(--primary); color: #fff; border: none; width: 32px; height: 32px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.8rem; transition: background 0.2s; }
        .search-box button:hover { background: var(--primary-dark); }
        .mobile-toggle { display: none; background: none; border: none; font-size: 1.4rem; color: var(--text-body); padding: 0.25rem; }
        @media (max-width: 768px) {
            .nav-tabs { display: none; position: absolute; top: 64px; left: 0; right: 0; background: #fff; flex-direction: column; padding: 1rem; border-radius: 0; box-shadow: var(--shadow-md); border-bottom: 2px solid var(--border); gap: 0.5rem; }
            .nav-tabs.open { display: flex; }
            .nav-tabs a { width: 100%; justify-content: center; padding: 0.75rem 1rem; border-radius: 0.5rem; }
            .mobile-toggle { display: block; }
            .search-box input { width: 100px; }
        }

        /* breadcrumb */
        .breadcrumb { padding: 1.5rem 0 0.5rem; font-size: 0.85rem; color: var(--text-muted); display: flex; align-items: center; gap: 0.5rem; flex-wrap: wrap; }
        .breadcrumb a { color: var(--primary); }
        .breadcrumb a:hover { text-decoration: underline; }
        .breadcrumb span { color: var(--text-muted); }

        /* article detail */
        .article-wrapper { max-width: 860px; margin: 0 auto; padding: 2rem 0 4rem; }
        .article-header { margin-bottom: 2rem; }
        .article-category { display: inline-block; background: var(--primary-light); color: var(--primary); font-size: 0.8rem; font-weight: 600; padding: 0.25rem 1rem; border-radius: 2rem; margin-bottom: 1rem; }
        .article-title { font-size: 2rem; font-weight: 800; line-height: 1.3; color: #0f172a; margin-bottom: 1rem; }
        .article-meta { display: flex; align-items: center; gap: 1.5rem; font-size: 0.85rem; color: var(--text-muted); flex-wrap: wrap; }
        .article-meta i { margin-right: 0.3rem; }
        .article-featured-image { margin: 2rem 0; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-md); }
        .article-featured-image img { width: 100%; height: auto; object-fit: cover; }
        .article-body { font-size: 1.05rem; line-height: 1.85; color: #1e293b; }
        .article-body p { margin-bottom: 1.2rem; }
        .article-body h2 { font-size: 1.5rem; font-weight: 700; margin-top: 2rem; margin-bottom: 0.75rem; color: #0f172a; }
        .article-body h3 { font-size: 1.2rem; font-weight: 600; margin-top: 1.5rem; margin-bottom: 0.5rem; color: #0f172a; }
        .article-body ul, .article-body ol { margin-bottom: 1.2rem; padding-left: 1.5rem; }
        .article-body li { margin-bottom: 0.4rem; }
        .article-body blockquote { border-left: 4px solid var(--primary); background: var(--neutral-50); padding: 1rem 1.5rem; margin: 1.5rem 0; border-radius: 0 var(--radius) var(--radius) 0; color: var(--text-muted); }
        .article-body a { color: var(--primary); text-decoration: underline; }
        .article-body a:hover { color: var(--primary-dark); }
        .article-body img { margin: 1.5rem 0; border-radius: var(--radius); box-shadow: var(--shadow-sm); }
        .article-body code { background: #f1f5f9; padding: 0.2rem 0.5rem; border-radius: 0.25rem; font-size: 0.9em; }
        .article-body pre { background: #0f172a; color: #e2e8f0; padding: 1.5rem; border-radius: var(--radius); overflow-x: auto; margin: 1.5rem 0; font-size: 0.9rem; }

        .article-footer { margin-top: 3rem; padding-top: 2rem; border-top: 1px solid var(--border); display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
        .article-tags { display: flex; gap: 0.5rem; flex-wrap: wrap; }
        .article-tags span { background: var(--neutral-100); color: var(--text-muted); font-size: 0.8rem; padding: 0.25rem 0.75rem; border-radius: 2rem; }
        .article-share { display: flex; align-items: center; gap: 0.75rem; font-size: 0.85rem; color: var(--text-muted); }
        .article-share a { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--neutral-100); color: var(--text-muted); transition: all 0.2s; }
        .article-share a:hover { background: var(--primary); color: #fff; }

        .not-found { text-align: center; padding: 6rem 2rem; }
        .not-found i { font-size: 4rem; color: var(--text-muted); margin-bottom: 1.5rem; display: block; }
        .not-found h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 1rem; color: #0f172a; }
        .not-found p { color: var(--text-muted); margin-bottom: 2rem; }
        .not-found .btn { display: inline-flex; align-items: center; gap: 0.5rem; background: var(--primary); color: #fff; padding: 0.75rem 2rem; border-radius: 2rem; font-weight: 600; transition: all 0.2s; }
        .not-found .btn:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* related posts */
        .related-section { background: #fff; padding: 3rem 0; border-top: 1px solid var(--border); }
        .related-title { font-size: 1.4rem; font-weight: 700; margin-bottom: 1.5rem; color: #0f172a; display: flex; align-items: center; gap: 0.5rem; }
        .related-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 1.5rem; }
        .related-card { background: var(--bg-body); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: all 0.25s; }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: var(--primary-light); }
        .related-card img { width: 100%; height: 160px; object-fit: cover; }
        .related-card-body { padding: 1rem 1.25rem 1.25rem; }
        .related-card-body h4 { font-size: 0.95rem; font-weight: 600; margin-bottom: 0.4rem; color: #0f172a; line-height: 1.4; }
        .related-card-body p { font-size: 0.8rem; color: var(--text-muted); display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card-body .meta { font-size: 0.75rem; color: var(--text-muted); margin-top: 0.5rem; display: flex; align-items: center; gap: 0.75rem; }
        @media (max-width: 768px) { .related-grid { grid-template-columns: 1fr; } }

        /* footer */
        .footer { background: #0f172a; color: #cbd5e1; padding: 3.5rem 0 1.5rem; margin-top: 0; }
        .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 2.5rem; margin-bottom: 2.5rem; }
        .footer-brand .logo { color: #fff; margin-bottom: 1rem; font-size: 1.25rem; }
        .footer-brand .logo i { color: var(--accent); }
        .footer-brand p { font-size: 0.85rem; line-height: 1.7; color: #94a3b8; }
        .footer-col h4 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 1rem; }
        .footer-col a { display: block; font-size: 0.85rem; color: #94a3b8; padding: 0.3rem 0; transition: color 0.2s; }
        .footer-col a:hover { color: #fff; }
        .footer-col a i { width: 1.2rem; }
        .footer-bottom { border-top: 1px solid #1e293b; padding-top: 1.5rem; text-align: center; font-size: 0.8rem; color: #64748b; }
        @media (max-width: 768px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 2rem; } }
        @media (max-width: 520px) { .footer-grid { grid-template-columns: 1fr; } }

        /* CTA */
        .cta-section { background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%); color: #fff; padding: 3.5rem 0; text-align: center; }
        .cta-section h2 { font-size: 1.8rem; font-weight: 700; margin-bottom: 0.75rem; }
        .cta-section p { font-size: 1rem; opacity: 0.9; margin-bottom: 1.5rem; max-width: 600px; margin-left: auto; margin-right: auto; }
        .cta-section .btn-cta { display: inline-flex; align-items: center; gap: 0.5rem; background: #fff; color: var(--primary); padding: 0.8rem 2.5rem; border-radius: 2rem; font-weight: 700; font-size: 1rem; transition: all 0.25s; box-shadow: 0 4px 20px rgba(0,0,0,0.15); }
        .cta-section .btn-cta:hover { transform: translateY(-3px); box-shadow: 0 8px 30px rgba(0,0,0,0.2); background: var(--accent-light); color: var(--primary-dark); }

        /* animations */
        .fade-up { opacity: 0; transform: translateY(20px); animation: fadeUp 0.6s ease forwards; }
        @keyframes fadeUp { to { opacity: 1; transform: translateY(0); } }

        /* scrollbar */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--neutral-50); }
        ::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 4px; }
        ::-webkit-scrollbar-thumb:hover { background: #94a3b8; }