/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #7C3AED;
            --primary-light: #9B6EF3;
            --primary-dark: #5B21B6;
            --secondary: #F59E0B;
            --secondary-light: #FBBF24;
            --secondary-dark: #D97706;
            --bg: #FAF9FE;
            --bg-alt: #F3F0FA;
            --bg-card: #FFFFFF;
            --text: #1A1525;
            --text-soft: #4B4563;
            --text-muted: #8B85A0;
            --border: #E5DFF0;
            --border-light: #F0ECF6;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow-sm: 0 2px 8px rgba(124, 58, 237, 0.06);
            --shadow: 0 6px 24px rgba(124, 58, 237, 0.08);
            --shadow-lg: 0 16px 48px rgba(124, 58, 237, 0.12);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: 0.25s ease;
            --nav-height: 72px;
            --topbar-height: 40px;
            --container: 1200px;
            --gap: 32px;
        }

        /* ===== 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);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        a:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; border-radius: 4px; }
        button, input, 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: 1.25; font-weight: 700; color: var(--text); }
        h1 { font-size: 2.8rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.35rem; }
        h4 { font-size: 1.1rem; }
        p { margin-bottom: 1rem; color: var(--text-soft); }
        p:last-child { margin-bottom: 0; }
        .container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
        .section { padding: 80px 0; }
        .section-title { text-align: center; margin-bottom: 48px; }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p { max-width: 640px; margin: 0 auto; color: var(--text-muted); font-size: 1.05rem; }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex; align-items: center; gap: 8px;
            padding: 12px 28px; border-radius: 50px; font-weight: 600;
            font-size: 1rem; line-height: 1.4; transition: all var(--transition);
            border: 2px solid transparent; white-space: nowrap;
        }
        .btn-primary {
            background: var(--primary); color: #fff; border-color: var(--primary);
        }
        .btn-primary:hover { background: var(--primary-dark); border-color: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(124, 58, 237, 0.25); }
        .btn-primary:active { transform: translateY(0); box-shadow: 0 2px 8px rgba(124, 58, 237, 0.2); }
        .btn-secondary {
            background: transparent; color: var(--primary); border-color: var(--primary);
        }
        .btn-secondary:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(124, 58, 237, 0.2); }
        .btn-secondary:active { transform: translateY(0); }
        .btn-gold {
            background: var(--secondary); color: #1A1525; border-color: var(--secondary);
        }
        .btn-gold:hover { background: var(--secondary-dark); border-color: var(--secondary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(245, 158, 11, 0.3); }
        .btn-lg { padding: 16px 36px; font-size: 1.1rem; }

        /* ===== Cards ===== */
        .card {
            background: var(--bg-card); border-radius: var(--radius);
            box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
            padding: 28px; transition: all var(--transition);
        }
        .card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: var(--border); }
        .card-img { border-radius: var(--radius-sm) var(--radius-sm) 0 0; overflow: hidden; margin: -28px -28px 20px -28px; }
        .card-img img { width: 100%; height: 200px; object-fit: cover; }
        .card h3 { margin-bottom: 8px; }
        .card p { color: var(--text-muted); font-size: 0.95rem; }
        .card .meta { display: flex; gap: 12px; font-size: 0.85rem; color: var(--text-muted); margin-top: 12px; }

        /* ===== Tags / Badges ===== */
        .tag {
            display: inline-block; padding: 4px 14px; border-radius: 50px;
            font-size: 0.8rem; font-weight: 500; background: var(--bg-alt); color: var(--primary);
            border: 1px solid var(--border); transition: all var(--transition);
        }
        .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
        .badge {
            display: inline-flex; align-items: center; gap: 4px;
            padding: 2px 12px; border-radius: 50px; font-size: 0.75rem; font-weight: 600;
            background: var(--secondary-light); color: #1A1525;
        }
        .badge-primary { background: var(--primary-light); color: #fff; }

        /* ===== Top Bar ===== */
        .top-bar {
            height: var(--topbar-height); background: var(--text); color: rgba(255,255,255,0.85);
            display: flex; align-items: center; font-size: 0.82rem;
        }
        .top-bar .container { display: flex; align-items: center; justify-content: space-between; width: 100%; }
        .top-bar a { color: rgba(255,255,255,0.85); }
        .top-bar a:hover { color: #fff; }
        .top-bar .domain { font-weight: 500; letter-spacing: 0.3px; }
        .top-bar .hint { display: flex; align-items: center; gap: 6px; }
        .top-bar .hint i { font-size: 0.75rem; color: var(--secondary-light); }

        /* ===== Header / Nav ===== */
        .header {
            background: var(--bg-card); border-bottom: 1px solid var(--border-light);
            position: sticky; top: 0; z-index: 100; backdrop-filter: blur(12px);
            background: rgba(255,255,255,0.92); height: var(--nav-height);
        }
        .header .container { display: flex; align-items: center; justify-content: space-between; height: 100%; }
        .logo { font-size: 1.3rem; font-weight: 800; color: var(--text); display: flex; align-items: center; gap: 8px; }
        .logo:hover { color: var(--primary); }
        .logo i { color: var(--primary); font-size: 1.4rem; }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-list { display: flex; align-items: center; gap: 4px; }
        .nav-list a {
            padding: 8px 18px; border-radius: 50px; font-weight: 500; font-size: 0.95rem;
            color: var(--text-soft); transition: all var(--transition); position: relative;
        }
        .nav-list a:hover { color: var(--primary); background: var(--bg-alt); }
        .nav-list a.active { color: #fff; background: var(--primary); }
        .nav-list a.active:hover { background: var(--primary-dark); }
        .nav-toggle { display: none; font-size: 1.5rem; color: var(--text); padding: 4px 8px; border-radius: 8px; background: var(--bg-alt); }

        /* ===== Mobile Nav ===== */
        .mobile-nav {
            display: none; position: fixed; top: calc(var(--topbar-height) + var(--nav-height)); left: 0; right: 0;
            background: var(--bg-card); border-bottom: 1px solid var(--border); padding: 16px 24px;
            box-shadow: var(--shadow-lg); z-index: 99; flex-direction: column; gap: 8px;
        }
        .mobile-nav.open { display: flex; }
        .mobile-nav a {
            padding: 12px 16px; border-radius: var(--radius-sm); font-weight: 500;
            color: var(--text-soft); transition: all var(--transition);
        }
        .mobile-nav a:hover { background: var(--bg-alt); color: var(--primary); }
        .mobile-nav a.active { background: var(--primary); color: #fff; }

        /* ===== Hero ===== */
        .hero {
            position: relative; min-height: 560px; display: flex; align-items: center;
            background: linear-gradient(135deg, #1A1525 0%, #2D1B69 50%, #1A1525 100%);
            overflow: hidden; padding: 80px 0;
        }
        .hero-bg {
            position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover;
            opacity: 0.25; mix-blend-mode: overlay;
        }
        .hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
        .hero-content h1 { color: #fff; font-size: 3rem; line-height: 1.15; margin-bottom: 16px; }
        .hero-content h1 span { background: linear-gradient(135deg, var(--secondary), var(--secondary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero-content p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 520px; margin-bottom: 28px; }
        .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
        .hero-visual { display: flex; justify-content: center; align-items: center; }
        .hero-visual img { max-width: 100%; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); border: 1px solid rgba(255,255,255,0.1); }

        /* ===== Stats ===== */
        .stats { background: var(--bg-alt); border-top: 1px solid var(--border-light); border-bottom: 1px solid var(--border-light); }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; padding: 48px 0; }
        .stat-item .stat-number { font-size: 2.4rem; font-weight: 800; color: var(--primary); }
        .stat-item .stat-label { color: var(--text-muted); font-size: 0.95rem; margin-top: 4px; }

        /* ===== Category Cards ===== */
        .category-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 24px; }
        .category-card {
            background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border-light);
            overflow: hidden; transition: all var(--transition); box-shadow: var(--shadow-sm);
            display: flex; flex-direction: column;
        }
        .category-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); border-color: var(--border); }
        .category-card .card-img { height: 180px; overflow: hidden; margin: 0; }
        .category-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
        .category-card:hover .card-img img { transform: scale(1.05); }
        .category-card .card-body { padding: 20px 24px 24px; flex: 1; display: flex; flex-direction: column; }
        .category-card .card-body h3 { font-size: 1.2rem; margin-bottom: 8px; }
        .category-card .card-body p { color: var(--text-muted); font-size: 0.92rem; flex: 1; }
        .category-card .card-body .btn { margin-top: 16px; align-self: flex-start; }

        /* ===== Post List ===== */
        .post-list { display: grid; grid-template-columns: 1fr; gap: 20px; }
        .post-item {
            background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border-light);
            padding: 24px 28px; transition: all var(--transition); box-shadow: var(--shadow-sm);
            display: grid; grid-template-columns: 1fr auto; gap: 16px; align-items: start;
        }
        .post-item:hover { box-shadow: var(--shadow); border-color: var(--border); transform: translateY(-2px); }
        .post-item .post-main h3 { font-size: 1.1rem; margin-bottom: 6px; }
        .post-item .post-main h3 a { color: var(--text); }
        .post-item .post-main h3 a:hover { color: var(--primary); }
        .post-item .post-main p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 0; }
        .post-item .post-meta { display: flex; gap: 16px; font-size: 0.82rem; color: var(--text-muted); margin-top: 10px; flex-wrap: wrap; }
        .post-item .post-meta .tag { font-size: 0.75rem; }
        .post-empty { text-align: center; padding: 48px 24px; color: var(--text-muted); background: var(--bg-card); border-radius: var(--radius); border: 1px dashed var(--border); }

        /* ===== Steps ===== */
        .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; counter-reset: step; }
        .step-card {
            background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border-light);
            padding: 32px 28px; text-align: center; transition: all var(--transition); box-shadow: var(--shadow-sm);
            position: relative;
        }
        .step-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
        .step-card .step-number {
            width: 56px; height: 56px; border-radius: 50%; background: var(--primary); color: #fff;
            display: flex; align-items: center; justify-content: center; font-size: 1.5rem; font-weight: 700;
            margin: 0 auto 16px; box-shadow: 0 4px 16px rgba(124, 58, 237, 0.2);
        }
        .step-card h3 { font-size: 1.1rem; margin-bottom: 8px; }
        .step-card p { color: var(--text-muted); font-size: 0.92rem; margin-bottom: 0; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
        .faq-item {
            background: var(--bg-card); border-radius: var(--radius); border: 1px solid var(--border-light);
            overflow: hidden; transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--border); }
        .faq-question {
            padding: 18px 24px; font-weight: 600; font-size: 1rem; color: var(--text);
            display: flex; align-items: center; justify-content: space-between; gap: 12px;
            cursor: pointer; transition: background var(--transition); user-select: none;
        }
        .faq-question:hover { background: var(--bg-alt); }
        .faq-question i { color: var(--primary); transition: transform var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px; max-height: 0; overflow: hidden; transition: all 0.3s ease;
            color: var(--text-soft); font-size: 0.95rem; line-height: 1.7;
        }
        .faq-item.open .faq-answer { padding: 0 24px 20px; max-height: 400px; }
        .faq-answer p { margin-bottom: 0; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            padding: 80px 0; text-align: center; position: relative; overflow: hidden;
        }
        .cta-section::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.08; mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: #fff; font-size: 2.2rem; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.8); max-width: 560px; margin: 0 auto 28px; font-size: 1.05rem; }

        /* ===== Footer ===== */
        .footer {
            background: var(--text); color: rgba(255,255,255,0.7); padding: 48px 0 32px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
        .footer-brand .logo { color: #fff; margin-bottom: 12px; }
        .footer-brand p { font-size: 0.92rem; color: rgba(255,255,255,0.55); max-width: 320px; }
        .footer-col h4 { color: #fff; font-size: 0.95rem; margin-bottom: 16px; }
        .footer-col a { display: block; color: rgba(255,255,255,0.55); font-size: 0.9rem; padding: 4px 0; transition: all var(--transition); }
        .footer-col a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.4); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero .container { grid-template-columns: 1fr; text-align: center; }
            .hero-content p { margin-left: auto; margin-right: auto; }
            .hero-actions { justify-content: center; }
            .hero-visual { display: none; }
            .hero { min-height: 420px; padding: 60px 0; }
            .hero-content h1 { font-size: 2.4rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .steps-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-list { display: none; }
            .nav-toggle { display: flex; align-items: center; justify-content: center; }
            .section { padding: 56px 0; }
            .section-title { margin-bottom: 32px; }
            .hero-content h1 { font-size: 1.9rem; }
            .hero { min-height: 360px; padding: 48px 0; }
            .hero-content p { font-size: 1rem; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; padding: 32px 0; }
            .stat-item .stat-number { font-size: 1.8rem; }
            .category-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .post-item { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .cta-section h2 { font-size: 1.7rem; }
            .top-bar .hint span { display: none; }
            .logo { font-size: 1.1rem; }
            h2 { font-size: 1.6rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero-content h1 { font-size: 1.6rem; }
            .hero-actions { flex-direction: column; align-items: center; }
            .btn-lg { padding: 14px 28px; font-size: 1rem; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
            .stat-item .stat-number { font-size: 1.5rem; }
            .card { padding: 20px; }
            .post-item { padding: 18px 20px; }
            .faq-question { padding: 14px 18px; font-size: 0.95rem; }
            .top-bar { font-size: 0.7rem; }
            .logo { font-size: 1rem; }
        }

        /* ===== 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; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .bg-alt { background: var(--bg-alt); }

/* roulang page: article */
:root {
    --primary: #e8457a;
    --primary-dark: #d12e63;
    --primary-light: #f8e0e9;
    --primary-gradient: linear-gradient(135deg, #e8457a 0%, #c7386a 100%);
    --secondary: #ffb347;
    --secondary-light: #fff3e0;
    --accent: #6c5ce7;
    --bg: #faf8f9;
    --bg-card: #ffffff;
    --bg-dark: #1f1a2e;
    --bg-soft: #fdf2f5;
    --text: #2d1b2e;
    --text-light: #6b5e6b;
    --text-white: #ffffff;
    --border: #f0e6ea;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow: 0 4px 20px rgba(232, 69, 122, 0.08);
    --shadow-hover: 0 12px 40px rgba(232, 69, 122, 0.16);
    --shadow-lg: 0 20px 60px rgba(0,0,0,0.08);
    --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
    --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    --max-width: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; font-size: 16px; }
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
ul, ol { list-style: none; }
input, button, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ===== 顶部信息条 ===== */
.top-bar {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.8);
    font-size: 13px;
    padding: 6px 0;
    border-bottom: 1px solid rgba(255,255,255,0.05);
}
.top-bar .container { display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 6px; }
.top-bar .domain { color: var(--secondary); font-weight: 500; letter-spacing: 0.3px; }
.top-bar .tagline { color: rgba(255,255,255,0.6); font-size: 12px; }
@media (max-width: 520px) { .top-bar .tagline { display: none; } }

/* ===== 导航 ===== */
.header {
    background: var(--bg-card);
    border-bottom: 1px solid var(--border);
    position: sticky; top: 0; z-index: 1000;
    box-shadow: 0 2px 12px rgba(0,0,0,0.04);
}
.header .container { display: flex; align-items: center; justify-content: space-between; height: 68px; }
.logo { display: flex; align-items: center; gap: 10px; font-size: 1.25rem; font-weight: 700; color: var(--primary); white-space: nowrap; }
.logo i { font-size: 1.5rem; color: var(--secondary); }
.logo span { background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-list { display: flex; align-items: center; gap: 4px; }
.nav-list a {
    padding: 8px 18px; border-radius: 30px; font-size: 0.95rem; font-weight: 500;
    color: var(--text-light); transition: all var(--transition); white-space: nowrap;
}
.nav-list a:hover { color: var(--primary); background: var(--primary-light); }
.nav-list a.active { color: #fff; background: var(--primary-gradient); box-shadow: 0 4px 14px rgba(232,69,122,0.3); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; padding: 6px; background: none; border: none; }
.nav-toggle span { display: block; width: 26px; height: 2.5px; background: var(--text); border-radius: 4px; transition: var(--transition); }
@media (max-width: 768px) {
    .nav-toggle { display: flex; }
    .nav-list { display: none; position: absolute; top: 68px; left: 0; right: 0; background: var(--bg-card); border-bottom: 1px solid var(--border); flex-direction: column; padding: 12px 20px 20px; box-shadow: var(--shadow-lg); gap: 6px; }
    .nav-list.open { display: flex; }
    .nav-list a { width: 100%; padding: 10px 16px; }
    .header .container { height: 60px; }
    .logo { font-size: 1.1rem; }
}

/* ===== 面包屑 ===== */
.breadcrumb {
    background: var(--bg-soft);
    padding: 14px 0;
    border-bottom: 1px solid var(--border);
    font-size: 0.9rem;
    color: var(--text-light);
}
.breadcrumb .container { display: flex; align-items: center; gap: 8px; flex-wrap: wrap; }
.breadcrumb a { color: var(--text-light); }
.breadcrumb a:hover { color: var(--primary); }
.breadcrumb .sep { color: #ccc; }
.breadcrumb .current { color: var(--primary); font-weight: 500; }

/* ===== 文章 Hero ===== */
.article-hero {
    background: var(--bg-dark);
    position: relative;
    padding: 60px 0 50px;
    color: #fff;
    overflow: hidden;
}
.article-hero::before {
    content: '';
    position: absolute; inset: 0;
    background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    opacity: 0.15;
    pointer-events: none;
}
.article-hero .container { position: relative; z-index: 1; }
.article-hero .category-badge {
    display: inline-block;
    background: var(--secondary); color: var(--text); font-size: 0.8rem; font-weight: 600;
    padding: 4px 14px; border-radius: 20px; margin-bottom: 16px; letter-spacing: 0.5px;
}
.article-hero h1 {
    font-size: 2.2rem; font-weight: 800; line-height: 1.3;
    margin-bottom: 16px; max-width: 860px;
}
.article-hero .meta {
    display: flex; flex-wrap: wrap; gap: 20px;
    font-size: 0.9rem; color: rgba(255,255,255,0.7);
}
.article-hero .meta i { margin-right: 6px; color: var(--secondary); }
@media (max-width: 768px) {
    .article-hero { padding: 40px 0 32px; }
    .article-hero h1 { font-size: 1.6rem; }
    .article-hero .meta { gap: 12px; font-size: 0.8rem; }
}

/* ===== 文章主体 ===== */
.article-main { padding: 50px 0 60px; }
.article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 40px; }
.article-body { background: var(--bg-card); border-radius: var(--radius); padding: 40px 44px; box-shadow: var(--shadow); }
.article-body img { border-radius: var(--radius-sm); margin: 28px auto; max-width: 100%; box-shadow: 0 4px 16px rgba(0,0,0,0.06); }
.article-body h2 { font-size: 1.5rem; font-weight: 700; margin-top: 40px; margin-bottom: 16px; color: var(--text); border-left: 4px solid var(--primary); padding-left: 16px; }
.article-body h3 { font-size: 1.2rem; font-weight: 600; margin-top: 28px; margin-bottom: 12px; color: var(--text); }
.article-body p { margin-bottom: 18px; color: var(--text-light); line-height: 1.85; }
.article-body ul, .article-body ol { margin-bottom: 20px; padding-left: 24px; color: var(--text-light); line-height: 1.85; }
.article-body ul { list-style: disc; }
.article-body ol { list-style: decimal; }
.article-body li { margin-bottom: 6px; }
.article-body blockquote {
    background: var(--bg-soft); border-left: 4px solid var(--primary);
    padding: 16px 24px; margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    color: var(--text); font-style: normal;
}
.article-body .step-card {
    background: var(--bg-soft); border-radius: var(--radius-sm);
    padding: 20px 24px; margin-bottom: 16px;
    border: 1px solid var(--border);
}
.article-body .step-card .step-num {
    display: inline-flex; align-items: center; justify-content: center;
    width: 32px; height: 32px; border-radius: 50%;
    background: var(--primary-gradient); color: #fff; font-weight: 700; font-size: 0.9rem;
    margin-right: 12px; flex-shrink: 0;
}
.article-body .step-card h4 { display: flex; align-items: center; font-size: 1.05rem; margin-bottom: 8px; }
.article-body .step-card p { margin-bottom: 0; font-size: 0.95rem; }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 36px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-tags .tag { background: var(--primary-light); color: var(--primary-dark); padding: 4px 16px; border-radius: 20px; font-size: 0.82rem; font-weight: 500; transition: var(--transition); }
.article-tags .tag:hover { background: var(--primary); color: #fff; }
.article-share { display: flex; align-items: center; gap: 12px; margin-top: 20px; padding-top: 20px; border-top: 1px solid var(--border); }
.article-share span { font-size: 0.9rem; color: var(--text-light); }
.article-share a { display: inline-flex; align-items: center; justify-content: center; width: 38px; height: 38px; border-radius: 50%; background: var(--bg-soft); color: var(--text-light); transition: var(--transition); font-size: 1rem; }
.article-share a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* ===== 侧边栏 ===== */
.article-sidebar { display: flex; flex-direction: column; gap: 28px; }
.sidebar-card { background: var(--bg-card); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.sidebar-card h3 { font-size: 1.1rem; font-weight: 700; margin-bottom: 18px; color: var(--text); display: flex; align-items: center; gap: 10px; }
.sidebar-card h3 i { color: var(--primary); }
.sidebar-list { display: flex; flex-direction: column; gap: 14px; }
.sidebar-list a { display: flex; align-items: flex-start; gap: 12px; color: var(--text-light); transition: var(--transition); font-size: 0.92rem; line-height: 1.5; }
.sidebar-list a:hover { color: var(--primary); }
.sidebar-list a .num { width: 26px; height: 26px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 0.75rem; font-weight: 700; flex-shrink: 0; margin-top: 2px; }
.sidebar-list a:hover .num { background: var(--primary); color: #fff; }
.sidebar-cta { background: var(--primary-gradient); color: #fff; border-radius: var(--radius); padding: 28px; text-align: center; }
.sidebar-cta h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 10px; }
.sidebar-cta p { font-size: 0.9rem; opacity: 0.9; margin-bottom: 18px; }
.sidebar-cta .btn { background: #fff; color: var(--primary); padding: 10px 28px; border-radius: 30px; font-weight: 600; display: inline-block; transition: var(--transition); }
.sidebar-cta .btn:hover { background: var(--secondary); color: var(--text); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.15); }
@media (max-width: 1024px) {
    .article-layout { grid-template-columns: 1fr; }
    .article-body { padding: 28px 24px; }
    .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
    .sidebar-cta { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
    .article-body { padding: 20px 16px; }
    .article-body h2 { font-size: 1.3rem; }
    .article-sidebar { grid-template-columns: 1fr; }
}

/* ===== 相关文章 ===== */
.related-section { background: var(--bg-soft); padding: 60px 0; }
.related-section .section-title { text-align: center; margin-bottom: 40px; }
.related-section .section-title h2 { font-size: 1.8rem; font-weight: 800; color: var(--text); }
.related-section .section-title p { color: var(--text-light); margin-top: 8px; font-size: 1rem; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.related-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.related-card .card-img { width: 100%; height: 180px; object-fit: cover; border-radius: 0; }
.related-card .card-body { padding: 20px; }
.related-card .card-body h4 { font-size: 1rem; font-weight: 600; margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .card-body h4 a { color: var(--text); }
.related-card .card-body h4 a:hover { color: var(--primary); }
.related-card .card-body .meta { font-size: 0.8rem; color: var(--text-light); display: flex; gap: 12px; }
.related-card .card-body .meta i { margin-right: 4px; }
@media (max-width: 1024px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .related-grid { grid-template-columns: 1fr; } .related-section { padding: 40px 0; } }

/* ===== FAQ ===== */
.faq-section { padding: 60px 0; background: var(--bg-card); }
.faq-section .section-title { text-align: center; margin-bottom: 40px; }
.faq-section .section-title h2 { font-size: 1.8rem; font-weight: 800; }
.faq-section .section-title p { color: var(--text-light); margin-top: 8px; }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--primary); }
.faq-item .faq-q { padding: 18px 22px; cursor: pointer; display: flex; justify-content: space-between; align-items: center; font-weight: 600; font-size: 1rem; background: var(--bg-soft); transition: var(--transition); }
.faq-item .faq-q i { color: var(--primary); transition: transform 0.3s; font-size: 0.9rem; }
.faq-item.active .faq-q i { transform: rotate(180deg); }
.faq-item .faq-a { padding: 0 22px; max-height: 0; overflow: hidden; transition: max-height 0.35s ease, padding 0.3s ease; color: var(--text-light); font-size: 0.95rem; line-height: 1.8; }
.faq-item.active .faq-a { max-height: 400px; padding: 0 22px 20px; }
@media (max-width: 520px) { .faq-section { padding: 40px 0; } .faq-section .section-title h2 { font-size: 1.4rem; } }

/* ===== CTA ===== */
.cta-section {
    background: var(--bg-dark);
    padding: 60px 0;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute; inset: 0;
    background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    opacity: 0.08;
    pointer-events: none;
}
.cta-section .container { position: relative; z-index: 1; }
.cta-section h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 1.1rem; opacity: 0.85; margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
.cta-section .btn-group { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-section .btn-primary { background: var(--secondary); color: var(--text); padding: 14px 36px; border-radius: 30px; font-weight: 700; font-size: 1.05rem; transition: var(--transition); display: inline-flex; align-items: center; gap: 10px; }
.cta-section .btn-primary:hover { background: #ffa726; transform: translateY(-3px); box-shadow: 0 12px 32px rgba(255,179,71,0.3); }
.cta-section .btn-outline { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.3); padding: 12px 32px; border-radius: 30px; font-weight: 600; transition: var(--transition); display: inline-flex; align-items: center; gap: 10px; }
.cta-section .btn-outline:hover { border-color: var(--secondary); color: var(--secondary); transform: translateY(-3px); }
@media (max-width: 520px) { .cta-section h2 { font-size: 1.5rem; } .cta-section p { font-size: 0.95rem; } }

/* ===== 页脚 ===== */
.footer {
    background: var(--bg-dark);
    color: rgba(255,255,255,0.8);
    padding: 50px 0 0;
    border-top: 3px solid var(--primary);
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.footer-brand .logo { color: #fff; font-size: 1.2rem; margin-bottom: 14px; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 18px; position: relative; padding-bottom: 10px; border-bottom: 2px solid var(--primary); display: inline-block; }
.footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 0.9rem; margin-bottom: 10px; transition: var(--transition); }
.footer-col a:hover { color: var(--secondary); padding-left: 6px; }
.footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.08);
    padding: 20px 0;
    display: flex; justify-content: space-between; align-items: center;
    font-size: 0.85rem; color: rgba(255,255,255,0.4); flex-wrap: wrap; gap: 8px;
}
.footer-bottom span:last-child { color: var(--secondary); }
@media (max-width: 768px) {
    .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
    .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
    .footer-grid { grid-template-columns: 1fr; gap: 24px; }
    .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== 按钮通用 ===== */
.btn { display: inline-flex; align-items: center; gap: 8px; padding: 10px 26px; border-radius: 30px; font-weight: 600; font-size: 0.95rem; cursor: pointer; transition: var(--transition); border: none; text-decoration: none; }
.btn-primary { background: var(--primary-gradient); color: #fff; box-shadow: 0 4px 14px rgba(232,69,122,0.25); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(232,69,122,0.35); color: #fff; }
.btn-outline { background: transparent; border: 2px solid var(--primary); color: var(--primary); }
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }

/* ===== 文章不存在 ===== */
.not-found-wrap { text-align: center; padding: 80px 20px; }
.not-found-wrap .icon { font-size: 4rem; color: var(--primary-light); margin-bottom: 20px; }
.not-found-wrap h2 { font-size: 1.6rem; color: var(--text); margin-bottom: 12px; }
.not-found-wrap p { color: var(--text-light); margin-bottom: 24px; }
.not-found-wrap .btn { display: inline-flex; }

/* ===== 通用排版辅助 ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: 12px; }
.mt-2 { margin-top: 24px; }
.mb-1 { margin-bottom: 12px; }
.mb-2 { margin-bottom: 24px; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
    :root {
        --primary: #e74c3c;
        --primary-dark: #c0392b;
        --primary-light: #f1948a;
        --secondary: #f39c12;
        --secondary-dark: #e67e22;
        --accent: #2ecc71;
        --bg-body: #fdf6f0;
        --bg-white: #ffffff;
        --bg-light: #fef9f4;
        --bg-dark: #2c1810;
        --text-primary: #2c1810;
        --text-secondary: #5d4037;
        --text-muted: #8d6e63;
        --text-light: #fff8f0;
        --border: #f0e0d6;
        --border-light: #f7ede8;
        --shadow-sm: 0 2px 8px rgba(44, 24, 16, 0.06);
        --shadow-md: 0 8px 30px rgba(44, 24, 16, 0.1);
        --shadow-lg: 0 20px 50px rgba(44, 24, 16, 0.12);
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 22px;
        --radius-xl: 30px;
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font-family: 'Segoe UI', system-ui, -apple-system, 'Microsoft YaHei', 'PingFang SC', sans-serif;
        --container-width: 1200px;
        --header-height: 72px;
    }

    /* ===== Reset & Base ===== */
    *,
    *::before,
    *::after {
        box-sizing: border-box;
        margin: 0;
        padding: 0;
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-family);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-primary);
        background: var(--bg-body);
        -webkit-font-smoothing: antialiased;
    }
    a {
        color: var(--primary);
        text-decoration: none;
        transition: var(--transition);
    }
    a:hover {
        color: var(--primary-dark);
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: var(--radius-sm);
    }
    button,
    input,
    textarea {
        font-family: inherit;
        font-size: inherit;
        border: none;
        outline: none;
        transition: var(--transition);
    }
    ul,
    ol {
        list-style: none;
    }
    h1,
    h2,
    h3,
    h4,
    h5,
    h6 {
        line-height: 1.3;
        font-weight: 700;
        color: var(--text-primary);
    }
    h1 {
        font-size: 2.6rem;
    }
    h2 {
        font-size: 2rem;
    }
    h3 {
        font-size: 1.4rem;
    }
    h4 {
        font-size: 1.15rem;
    }
    p {
        margin-bottom: 1rem;
        color: var(--text-secondary);
    }
    .container {
        max-width: var(--container-width);
        margin: 0 auto;
        padding: 0 24px;
    }

    /* ===== Header & Navigation ===== */
    .header {
        position: fixed;
        top: 0;
        left: 0;
        width: 100%;
        z-index: 1000;
        background: var(--bg-white);
        box-shadow: var(--shadow-sm);
        border-bottom: 1px solid var(--border-light);
        transition: var(--transition);
    }
    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: var(--header-height);
        max-width: var(--container-width);
        margin: 0 auto;
        padding: 0 24px;
    }
    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.2rem;
        font-weight: 700;
        color: var(--text-primary);
        white-space: nowrap;
    }
    .logo i {
        color: var(--primary);
        font-size: 1.4rem;
    }
    .logo span {
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .nav-list {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav-list a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 20px;
        border-radius: var(--radius-sm);
        font-size: 0.95rem;
        font-weight: 500;
        color: var(--text-secondary);
        background: transparent;
        transition: var(--transition);
        position: relative;
    }
    .nav-list a:hover {
        color: var(--primary);
        background: var(--bg-light);
    }
    .nav-list a.active {
        color: var(--bg-white);
        background: var(--primary);
        box-shadow: 0 4px 15px rgba(231, 76, 60, 0.3);
    }
    .nav-list a.active:hover {
        background: var(--primary-dark);
    }
    .menu-toggle {
        display: none;
        background: none;
        font-size: 1.5rem;
        color: var(--text-primary);
        cursor: pointer;
        padding: 8px 12px;
        border-radius: var(--radius-sm);
        transition: var(--transition);
    }
    .menu-toggle:hover {
        background: var(--bg-light);
        color: var(--primary);
    }

    /* ===== Banner / Hero ===== */
    .banner {
        margin-top: var(--header-height);
        position: relative;
        min-height: 360px;
        display: flex;
        align-items: center;
        justify-content: center;
        background: linear-gradient(135deg, rgba(44, 24, 16, 0.85), rgba(231, 76, 60, 0.7)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
        padding: 80px 24px;
        text-align: center;
    }
    .banner-content {
        max-width: 800px;
        position: relative;
        z-index: 2;
    }
    .banner-content h1 {
        font-size: 2.8rem;
        color: var(--text-light);
        margin-bottom: 16px;
        text-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }
    .banner-content p {
        font-size: 1.15rem;
        color: rgba(255, 248, 240, 0.9);
        margin-bottom: 28px;
        max-width: 640px;
        margin-left: auto;
        margin-right: auto;
    }
    .banner-tags {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
        justify-content: center;
    }
    .banner-tags .tag {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        background: rgba(255, 255, 255, 0.15);
        backdrop-filter: blur(10px);
        border-radius: var(--radius-xl);
        font-size: 0.85rem;
        color: var(--text-light);
        border: 1px solid rgba(255, 255, 255, 0.2);
        transition: var(--transition);
    }
    .banner-tags .tag i {
        font-size: 0.75rem;
        color: var(--secondary);
    }
    .banner-tags .tag:hover {
        background: rgba(255, 255, 255, 0.25);
        transform: translateY(-2px);
    }

    /* ===== Section Shared ===== */
    .section {
        padding: 70px 0;
    }
    .section-alt {
        background: var(--bg-light);
    }
    .section-white {
        background: var(--bg-white);
    }
    .section-title {
        text-align: center;
        margin-bottom: 48px;
    }
    .section-title h2 {
        font-size: 2rem;
        margin-bottom: 12px;
        position: relative;
        display: inline-block;
    }
    .section-title h2::after {
        content: '';
        display: block;
        width: 60px;
        height: 4px;
        background: linear-gradient(90deg, var(--primary), var(--secondary));
        border-radius: 4px;
        margin: 12px auto 0;
    }
    .section-title p {
        font-size: 1.05rem;
        color: var(--text-muted);
        max-width: 600px;
        margin: 0 auto;
    }

    /* ===== Intro / Stats ===== */
    .intro-grid {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 50px;
        align-items: center;
    }
    .intro-text h3 {
        font-size: 1.6rem;
        margin-bottom: 16px;
    }
    .intro-text p {
        font-size: 1.02rem;
        color: var(--text-secondary);
        margin-bottom: 20px;
    }
    .intro-stats {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 20px;
    }
    .stat-card {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        padding: 28px 20px;
        text-align: center;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        transition: var(--transition);
    }
    .stat-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
    }
    .stat-card .num {
        font-size: 2.2rem;
        font-weight: 800;
        color: var(--primary);
        line-height: 1.2;
    }
    .stat-card .num span {
        font-size: 1rem;
        color: var(--text-muted);
        font-weight: 400;
    }
    .stat-card .label {
        font-size: 0.9rem;
        color: var(--text-muted);
        margin-top: 6px;
    }

    /* ===== Entry Cards ===== */
    .entry-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }
    .entry-card {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }
    .entry-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-lg);
    }
    .entry-card .card-img {
        height: 200px;
        background: var(--bg-light);
        overflow: hidden;
        position: relative;
    }
    .entry-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: var(--transition);
    }
    .entry-card:hover .card-img img {
        transform: scale(1.05);
    }
    .entry-card .card-img .badge {
        position: absolute;
        top: 14px;
        left: 14px;
        padding: 5px 14px;
        border-radius: var(--radius-xl);
        font-size: 0.78rem;
        font-weight: 600;
        color: var(--bg-white);
        background: var(--primary);
        box-shadow: 0 4px 12px rgba(231, 76, 60, 0.3);
    }
    .entry-card .card-img .badge.green {
        background: var(--accent);
        box-shadow: 0 4px 12px rgba(46, 204, 113, 0.3);
    }
    .entry-card .card-img .badge.orange {
        background: var(--secondary);
        box-shadow: 0 4px 12px rgba(243, 156, 18, 0.3);
    }
    .entry-card .card-body {
        padding: 24px 22px 26px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }
    .entry-card .card-body h3 {
        font-size: 1.15rem;
        margin-bottom: 8px;
    }
    .entry-card .card-body p {
        font-size: 0.92rem;
        color: var(--text-muted);
        margin-bottom: 16px;
        flex: 1;
    }
    .entry-card .card-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 14px;
        border-top: 1px solid var(--border-light);
    }
    .entry-card .card-footer .meta {
        font-size: 0.82rem;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .entry-card .card-footer .btn-sm {
        padding: 6px 18px;
        border-radius: var(--radius-xl);
        font-size: 0.85rem;
        font-weight: 600;
        background: var(--primary);
        color: var(--bg-white);
        transition: var(--transition);
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .entry-card .card-footer .btn-sm:hover {
        background: var(--primary-dark);
        transform: translateX(2px);
    }

    /* ===== Steps ===== */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        counter-reset: step-counter;
    }
    .step-item {
        background: var(--bg-white);
        border-radius: var(--radius-md);
        padding: 32px 24px 28px;
        text-align: center;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        transition: var(--transition);
        position: relative;
    }
    .step-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
    }
    .step-item .step-num {
        width: 52px;
        height: 52px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        color: var(--bg-white);
        font-size: 1.3rem;
        font-weight: 800;
        display: flex;
        align-items: center;
        justify-content: center;
        margin: 0 auto 18px;
        box-shadow: 0 6px 20px rgba(231, 76, 60, 0.25);
    }
    .step-item h4 {
        font-size: 1.05rem;
        margin-bottom: 8px;
    }
    .step-item p {
        font-size: 0.9rem;
        color: var(--text-muted);
        margin-bottom: 0;
    }

    /* ===== Safety / Tips ===== */
    .tips-grid {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 24px;
    }
    .tip-card {
        display: flex;
        gap: 18px;
        background: var(--bg-white);
        border-radius: var(--radius-md);
        padding: 24px 26px;
        box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
        transition: var(--transition);
        align-items: flex-start;
    }
    .tip-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-md);
    }
    .tip-card .tip-icon {
        flex-shrink: 0;
        width: 46px;
        height: 46px;
        border-radius: 50%;
        background: var(--bg-light);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.2rem;
        color: var(--primary);
    }
    .tip-card .tip-icon.green {
        color: var(--accent);
        background: #e8f8f0;
    }
    .tip-card .tip-icon.orange {
        color: var(--secondary);
        background: #fef5e7;
    }
    .tip-card .tip-icon.blue {
        color: #3498db;
        background: #eaf2f8;
    }
    .tip-card .tip-body h4 {
        font-size: 1rem;
        margin-bottom: 4px;
    }
    .tip-card .tip-body p {
        font-size: 0.9rem;
        color: var(--text-muted);
        margin-bottom: 0;
    }

    /* ===== 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-md);
        border: 1px solid var(--border-light);
        overflow: hidden;
        transition: var(--transition);
    }
    .faq-item:hover {
        border-color: var(--border);
    }
    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 24px;
        background: none;
        cursor: pointer;
        font-size: 1rem;
        font-weight: 600;
        color: var(--text-primary);
        text-align: left;
        gap: 12px;
    }
    .faq-question i {
        font-size: 0.85rem;
        color: var(--text-muted);
        transition: var(--transition);
        flex-shrink: 0;
    }
    .faq-item.active .faq-question i {
        transform: rotate(180deg);
        color: var(--primary);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height 0.4s ease, padding 0.4s ease;
        padding: 0 24px;
    }
    .faq-item.active .faq-answer {
        max-height: 300px;
        padding: 0 24px 20px;
    }
    .faq-answer p {
        font-size: 0.95rem;
        color: var(--text-secondary);
        margin-bottom: 0;
        line-height: 1.7;
    }

    /* ===== CTA ===== */
    .cta-box {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        border-radius: var(--radius-lg);
        padding: 56px 48px;
        text-align: center;
        color: var(--text-light);
        position: relative;
        overflow: hidden;
    }
    .cta-box::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -30%;
        width: 400px;
        height: 400px;
        border-radius: 50%;
        background: rgba(255, 255, 255, 0.05);
        pointer-events: none;
    }
    .cta-box h3 {
        font-size: 1.8rem;
        color: var(--text-light);
        margin-bottom: 12px;
    }
    .cta-box p {
        font-size: 1.05rem;
        color: rgba(255, 248, 240, 0.85);
        margin-bottom: 28px;
        max-width: 560px;
        margin-left: auto;
        margin-right: auto;
    }
    .cta-box .btn-cta {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        padding: 16px 40px;
        border-radius: var(--radius-xl);
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--primary);
        background: var(--bg-white);
        box-shadow: 0 8px 30px rgba(0, 0, 0, 0.15);
        transition: var(--transition);
    }
    .cta-box .btn-cta:hover {
        transform: translateY(-3px);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.2);
        background: var(--bg-light);
    }

    /* ===== Footer ===== */
    .footer {
        background: var(--bg-dark);
        color: rgba(255, 248, 240, 0.8);
        padding: 60px 0 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255, 255, 255, 0.08);
    }
    .footer-brand .logo {
        color: var(--text-light);
        margin-bottom: 14px;
    }
    .footer-brand .logo i {
        color: var(--primary-light);
    }
    .footer-brand .logo span {
        -webkit-text-fill-color: var(--text-light);
        background: none;
    }
    .footer-brand p {
        font-size: 0.92rem;
        color: rgba(255, 248, 240, 0.65);
        line-height: 1.7;
        max-width: 360px;
    }
    .footer-col h4 {
        font-size: 1rem;
        color: var(--text-light);
        margin-bottom: 18px;
        font-weight: 600;
    }
    .footer-col a {
        display: block;
        font-size: 0.9rem;
        color: rgba(255, 248, 240, 0.6);
        padding: 5px 0;
        transition: var(--transition);
    }
    .footer-col a:hover {
        color: var(--primary-light);
        padding-left: 4px;
    }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 22px 0;
        font-size: 0.85rem;
        color: rgba(255, 248, 240, 0.45);
        flex-wrap: wrap;
        gap: 12px;
    }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .entry-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .steps-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .intro-grid {
            grid-template-columns: 1fr;
            gap: 36px;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
        }
    }

    @media (max-width: 768px) {
        .header-inner {
            padding: 0 16px;
        }
        .nav-list {
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            flex-direction: column;
            background: var(--bg-white);
            box-shadow: var(--shadow-md);
            padding: 16px 20px;
            gap: 4px;
            transform: translateY(-110%);
            opacity: 0;
            pointer-events: none;
            transition: var(--transition);
            border-bottom: 2px solid var(--border-light);
            z-index: 999;
        }
        .nav-list.open {
            transform: translateY(0);
            opacity: 1;
            pointer-events: auto;
        }
        .nav-list a {
            width: 100%;
            padding: 12px 18px;
            border-radius: var(--radius-sm);
        }
        .nav-list a.active {
            background: var(--primary);
            color: var(--bg-white);
        }
        .menu-toggle {
            display: block;
        }
        .banner {
            min-height: 280px;
            padding: 60px 20px;
        }
        .banner-content h1 {
            font-size: 1.8rem;
        }
        .banner-content p {
            font-size: 1rem;
        }
        .section {
            padding: 50px 0;
        }
        .section-title h2 {
            font-size: 1.5rem;
        }
        .entry-grid {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .steps-grid {
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .intro-stats {
            grid-template-columns: 1fr 1fr;
            gap: 14px;
        }
        .tips-grid {
            grid-template-columns: 1fr;
            gap: 16px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 30px;
        }
        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
        .cta-box {
            padding: 40px 24px;
        }
        .cta-box h3 {
            font-size: 1.4rem;
        }
        .stat-card .num {
            font-size: 1.6rem;
        }
    }

    @media (max-width: 520px) {
        h1 {
            font-size: 1.6rem;
        }
        h2 {
            font-size: 1.3rem;
        }
        .banner-content h1 {
            font-size: 1.5rem;
        }
        .steps-grid {
            grid-template-columns: 1fr;
        }
        .intro-stats {
            grid-template-columns: 1fr;
        }
        .stat-card {
            padding: 20px 16px;
        }
        .entry-card .card-body {
            padding: 18px 16px 20px;
        }
        .faq-question {
            padding: 14px 16px;
            font-size: 0.92rem;
        }
        .faq-item.active .faq-answer {
            padding: 0 16px 16px;
        }
        .container {
            padding: 0 14px;
        }
        .logo {
            font-size: 1rem;
        }
        .logo i {
            font-size: 1.1rem;
        }
    }