/* roulang page: index */
/* ===== 设计变量 ===== */
    :root {
        --primary: #E84393;
        --primary-light: #FD79A8;
        --primary-dark: #C2185B;
        --secondary: #FDCB6E;
        --secondary-light: #FFEAA7;
        --accent: #00CEC9;
        --bg: #FFF8F0;
        --bg-card: #FFFFFF;
        --bg-dark: #2D3436;
        --text: #2D3436;
        --text-light: #636E72;
        --text-white: #FFFFFF;
        --border: #F0E6D3;
        --shadow: 0 4px 24px rgba(0,0,0,0.06);
        --shadow-hover: 0 12px 40px rgba(232,67,147,0.12);
        --radius: 16px;
        --radius-sm: 8px;
        --radius-lg: 24px;
        --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        --container: 1200px;
        --nav-height: 72px;
    }

    /* ===== 基础 Reset ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font);
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        font-size: 16px;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; transition: var(--transition); }
    button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.3; color: var(--text); }
    h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
    h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); margin-bottom: 0.5em; }
    h3 { font-size: clamp(1.1rem, 2vw, 1.5rem); }
    p { margin-bottom: 1em; color: var(--text-light); }
    strong { color: var(--text); }

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

    /* ===== 通用组件 ===== */
    .section { padding: 80px 0; }
    .section-title { text-align: center; margin-bottom: 48px; }
    .section-title h2 { 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 { max-width: 640px; margin: 12px auto 0; font-size: 1.05rem; }

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 32px;
        border-radius: 50px;
        font-weight: 600;
        font-size: 1rem;
        cursor: pointer;
        transition: var(--transition);
        border: 2px solid transparent;
        background: var(--primary);
        color: var(--text-white);
        box-shadow: 0 4px 16px rgba(232,67,147,0.25);
    }
    .btn:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(232,67,147,0.35);
        background: var(--primary-dark);
    }
    .btn:focus-visible { outline: 3px solid var(--secondary); outline-offset: 2px; }
    .btn-secondary {
        background: transparent;
        border-color: var(--primary);
        color: var(--primary);
        box-shadow: none;
    }
    .btn-secondary:hover {
        background: var(--primary);
        color: var(--text-white);
        box-shadow: 0 8px 28px rgba(232,67,147,0.2);
    }
    .btn-gold {
        background: linear-gradient(135deg, var(--secondary), #F9A825);
        color: var(--text-dark);
        box-shadow: 0 4px 16px rgba(253,203,110,0.4);
    }
    .btn-gold:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(253,203,110,0.55);
    }

    .badge {
        display: inline-block;
        padding: 4px 14px;
        border-radius: 50px;
        font-size: 0.8rem;
        font-weight: 600;
        background: var(--secondary-light);
        color: #6D4C00;
        letter-spacing: 0.3px;
    }
    .badge-primary {
        background: rgba(232,67,147,0.12);
        color: var(--primary);
    }
    .badge-accent {
        background: rgba(0,206,201,0.12);
        color: #008B8B;
    }

    .card {
        background: var(--bg-card);
        border-radius: var(--radius);
        box-shadow: var(--shadow);
        overflow: hidden;
        transition: var(--transition);
        border: 1px solid var(--border);
    }
    .card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-hover);
    }
    .card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; }
    .card-body { padding: 24px; }
    .card-body h3 { margin-bottom: 8px; }
    .card-body p { font-size: 0.92rem; margin-bottom: 0; }
    .card-footer { padding: 16px 24px; border-top: 1px solid var(--border); display: flex; align-items: center; justify-content: space-between; }

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

    .tag {
        display: inline-block;
        padding: 4px 12px;
        border-radius: var(--radius-sm);
        font-size: 0.78rem;
        font-weight: 500;
        background: var(--bg);
        color: var(--text-light);
        border: 1px solid var(--border);
        transition: var(--transition);
    }
    .tag:hover { border-color: var(--primary); color: var(--primary); }

    /* ===== Header / 导航 ===== */
    .header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255,248,240,0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border);
        height: var(--nav-height);
    }
    .header .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
    }
    .logo {
        font-size: 1.4rem;
        font-weight: 800;
        color: var(--primary);
        display: flex;
        align-items: center;
        gap: 8px;
        letter-spacing: -0.3px;
    }
    .logo i { font-size: 1.6rem; color: var(--secondary); }
    .logo span { background: linear-gradient(135deg, var(--primary), var(--primary-dark)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }

    .nav { display: flex; align-items: center; gap: 8px; }
    .nav a {
        padding: 8px 18px;
        border-radius: 50px;
        font-weight: 500;
        font-size: 0.92rem;
        color: var(--text-light);
        transition: var(--transition);
        position: relative;
    }
    .nav a:hover { color: var(--primary); background: rgba(232,67,147,0.06); }
    .nav a.active {
        color: var(--primary);
        background: rgba(232,67,147,0.1);
        font-weight: 600;
    }
    .nav a.active::after {
        content: '';
        position: absolute;
        bottom: 2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 3px;
        background: var(--primary);
        border-radius: 4px;
    }

    .header-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .search-box {
        display: flex;
        align-items: center;
        background: var(--bg-card);
        border-radius: 50px;
        padding: 0 16px;
        border: 1px solid var(--border);
        transition: var(--transition);
    }
    .search-box:focus-within {
        border-color: var(--primary);
        box-shadow: 0 0 0 3px rgba(232,67,147,0.08);
    }
    .search-box input {
        background: transparent;
        border: none;
        padding: 10px 8px;
        font-size: 0.9rem;
        color: var(--text);
        width: 140px;
    }
    .search-box input::placeholder { color: var(--text-light); }
    .search-box i { color: var(--text-light); font-size: 0.9rem; }
    .search-box button {
        background: transparent;
        cursor: pointer;
        color: var(--text-light);
        padding: 4px;
    }
    .search-box button:hover { color: var(--primary); }

    .header-cta .btn {
        padding: 10px 24px;
        font-size: 0.9rem;
    }

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

    /* ===== Hero ===== */
    .hero {
        min-height: 85vh;
        display: flex;
        align-items: center;
        position: relative;
        background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
        padding: 120px 0 80px;
        overflow: hidden;
    }
    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(45,52,54,0.75) 0%, rgba(232,67,147,0.4) 100%);
        z-index: 1;
    }
    .hero .container { position: relative; z-index: 2; }
    .hero-content { max-width: 680px; }
    .hero-content .badge { margin-bottom: 16px; background: rgba(255,255,255,0.15); color: var(--text-white); backdrop-filter: blur(4px); border: 1px solid rgba(255,255,255,0.2); }
    .hero-content h1 { color: var(--text-white); font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; }
    .hero-content h1 span { background: linear-gradient(135deg, var(--secondary), #FFD93D); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .hero-content p { color: rgba(255,255,255,0.85); font-size: 1.15rem; max-width: 540px; margin-bottom: 32px; line-height: 1.8; }
    .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
    .hero-actions .btn { font-size: 1.05rem; padding: 16px 36px; }
    .hero-actions .btn-secondary { border-color: rgba(255,255,255,0.5); color: var(--text-white); }
    .hero-actions .btn-secondary:hover { background: rgba(255,255,255,0.15); border-color: var(--text-white); }

    .hero-stats {
        display: flex; gap: 40px; margin-top: 48px; padding-top: 32px;
        border-top: 1px solid rgba(255,255,255,0.15);
    }
    .hero-stat { text-align: left; }
    .hero-stat .num { font-size: 2rem; font-weight: 800; color: var(--text-white); display: block; }
    .hero-stat .label { font-size: 0.85rem; color: rgba(255,255,255,0.65); }

    /* ===== 特色/介绍 ===== */
    .features-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(280px, 1fr)); gap: 28px; }
    .feature-card {
        background: var(--bg-card);
        border-radius: var(--radius);
        padding: 36px 28px;
        border: 1px solid var(--border);
        text-align: center;
        transition: var(--transition);
    }
    .feature-card:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateY(-2px); }
    .feature-card .icon {
        width: 64px; height: 64px; border-radius: 20px;
        display: flex; align-items: center; justify-content: center;
        margin: 0 auto 20px; font-size: 1.6rem; color: var(--text-white);
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
    }
    .feature-card h3 { margin-bottom: 10px; }
    .feature-card p { font-size: 0.92rem; margin-bottom: 0; }

    /* ===== 分类入口 ===== */
    .category-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
    .category-card {
        position: relative;
        border-radius: var(--radius);
        overflow: hidden;
        background: var(--bg-card);
        box-shadow: var(--shadow);
        transition: var(--transition);
        border: 1px solid var(--border);
        cursor: pointer;
    }
    .category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
    .category-card img { width: 100%; aspect-ratio: 16/9; object-fit: cover; }
    .category-card .overlay {
        position: absolute; bottom: 0; left: 0; right: 0;
        padding: 24px 20px;
        background: linear-gradient(transparent, rgba(0,0,0,0.7));
        color: var(--text-white);
    }
    .category-card .overlay h3 { color: var(--text-white); margin-bottom: 4px; }
    .category-card .overlay p { color: rgba(255,255,255,0.8); font-size: 0.85rem; margin-bottom: 0; }
    .category-card .badge { position: absolute; top: 16px; left: 16px; z-index: 2; }

    /* ===== 数据统计 ===== */
    .stats-section {
        background: linear-gradient(135deg, var(--primary-dark), var(--primary));
        color: var(--text-white);
        padding: 60px 0;
    }
    .stats-section .section-title h2 { color: var(--text-white); }
    .stats-section .section-title h2::after { background: var(--secondary); }
    .stats-section .section-title p { color: rgba(255,255,255,0.75); }
    .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; text-align: center; }
    .stat-item .num { font-size: 2.4rem; font-weight: 800; display: block; color: var(--secondary); }
    .stat-item .label { font-size: 0.95rem; opacity: 0.8; margin-top: 4px; display: block; }

    /* ===== 最新资讯 ===== */
    .news-list { display: flex; flex-direction: column; gap: 16px; }
    .news-item {
        display: flex; align-items: center; gap: 20px;
        background: var(--bg-card); border-radius: var(--radius);
        padding: 20px 24px; border: 1px solid var(--border);
        transition: var(--transition); cursor: pointer;
    }
    .news-item:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); transform: translateX(4px); }
    .news-item .tag { flex-shrink: 0; }
    .news-item .info { flex: 1; }
    .news-item .info h4 { font-size: 1rem; font-weight: 600; margin-bottom: 4px; }
    .news-item .info p { font-size: 0.85rem; margin-bottom: 0; color: var(--text-light); }
    .news-item .meta { flex-shrink: 0; font-size: 0.82rem; color: var(--text-light); display: flex; align-items: center; gap: 12px; }

    /* ===== CTA ===== */
    .cta-section {
        background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat fixed;
        padding: 100px 0;
        position: relative;
    }
    .cta-section::before {
        content: '';
        position: absolute; inset: 0;
        background: linear-gradient(135deg, rgba(232,67,147,0.85), rgba(45,52,54,0.8));
        z-index: 1;
    }
    .cta-section .container { position: relative; z-index: 2; text-align: center; }
    .cta-section h2 { color: var(--text-white); font-size: clamp(1.8rem, 4vw, 2.8rem); }
    .cta-section p { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 560px; margin: 16px auto 32px; }
    .cta-section .btn { font-size: 1.1rem; padding: 18px 44px; }

    /* ===== FAQ ===== */
    .faq-grid { 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); overflow: hidden;
        transition: var(--transition);
    }
    .faq-item:hover { border-color: var(--primary-light); }
    .faq-question {
        padding: 20px 24px; display: flex; justify-content: space-between; align-items: center;
        cursor: pointer; font-weight: 600; font-size: 1.02rem;
        background: transparent; transition: var(--transition);
    }
    .faq-question i { color: var(--primary); transition: var(--transition); font-size: 1.1rem; }
    .faq-item.active .faq-question i { transform: rotate(180deg); }
    .faq-answer {
        padding: 0 24px; max-height: 0; overflow: hidden;
        transition: max-height 0.4s ease, padding 0.3s ease;
    }
    .faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }
    .faq-answer p { font-size: 0.92rem; margin-bottom: 0; color: var(--text-light); }

    /* ===== 流程/路径 ===== */
    .process-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; counter-reset: step; }
    .process-step {
        text-align: center; padding: 32px 20px;
        background: var(--bg-card); border-radius: var(--radius);
        border: 1px solid var(--border); position: relative;
        transition: var(--transition);
    }
    .process-step:hover { border-color: var(--primary); box-shadow: var(--shadow-hover); }
    .process-step .step-num {
        width: 48px; height: 48px; border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        color: var(--text-white); display: flex; align-items: center; justify-content: center;
        margin: 0 auto 16px; font-weight: 800; font-size: 1.2rem;
    }
    .process-step h3 { font-size: 1.05rem; margin-bottom: 8px; }
    .process-step p { font-size: 0.88rem; margin-bottom: 0; }

    /* ===== 页脚 ===== */
    .footer {
        background: var(--bg-dark);
        color: rgba(255,255,255,0.7);
        padding: 60px 0 30px;
    }
    .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
    .footer-brand .logo { color: var(--text-white); margin-bottom: 12px; }
    .footer-brand .logo span { -webkit-text-fill-color: var(--text-white); }
    .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); max-width: 320px; }
    .footer h4 { color: var(--text-white); font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
    .footer a { color: rgba(255,255,255,0.6); font-size: 0.9rem; display: block; padding: 4px 0; }
    .footer a:hover { color: var(--secondary); }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.08);
        padding-top: 24px; margin-top: 24px;
        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);
    }

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

    @media (max-width: 768px) {
        .section { padding: 60px 0; }
        .nav { display: none; }
        .nav.open { display: flex; flex-direction: column; position: absolute; top: var(--nav-height); left: 0; right: 0; background: var(--bg); border-bottom: 1px solid var(--border); padding: 16px 24px; gap: 4px; box-shadow: var(--shadow); }
        .nav.open a { padding: 12px 16px; border-radius: var(--radius-sm); }
        .nav.open a.active::after { display: none; }
        .menu-toggle { display: block; }
        .search-box { display: none; }
        .header-cta { display: none; }
        .hero { min-height: 70vh; padding: 80px 0 60px; }
        .hero-stats { flex-wrap: wrap; gap: 24px; }
        .hero-stat .num { font-size: 1.6rem; }
        .grid-2, .grid-3 { grid-template-columns: 1fr; }
        .grid-4 { grid-template-columns: 1fr 1fr; }
        .news-item { flex-direction: column; align-items: flex-start; gap: 8px; }
        .news-item .meta { width: 100%; justify-content: flex-start; }
        .footer-grid { grid-template-columns: 1fr; gap: 32px; }
        .footer-bottom { flex-direction: column; text-align: center; }
        .stats-grid { grid-template-columns: repeat(2, 1fr); }
        .hero-actions { flex-direction: column; }
        .hero-actions .btn { width: 100%; justify-content: center; }
    }

    @media (max-width: 520px) {
        .container { padding: 0 16px; }
        .grid-4 { grid-template-columns: 1fr; }
        .stats-grid { grid-template-columns: 1fr 1fr; gap: 16px; }
        .category-grid { grid-template-columns: 1fr; }
        .features-grid { grid-template-columns: 1fr; }
        .process-grid { grid-template-columns: 1fr; }
        .section-title h2 { font-size: 1.5rem; }
        .hero-content h1 { font-size: 1.8rem; }
        .hero-content p { font-size: 1rem; }
        .logo { font-size: 1.2rem; }
        .faq-question { font-size: 0.92rem; padding: 16px 18px; }
    }

    /* ===== 辅助类 ===== */
    .text-center { text-align: center; }
    .mt-16 { margin-top: 16px; }
    .mt-24 { margin-top: 24px; }
    .mt-32 { margin-top: 32px; }
    .mb-16 { margin-bottom: 16px; }
    .gap-8 { gap: 8px; }
    .flex-center { display: flex; align-items: center; justify-content: center; }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #e74c3c;
            --primary-light: #f1948a;
            --primary-dark: #c0392b;
            --secondary: #f39c12;
            --secondary-light: #f7dc6f;
            --accent: #8e44ad;
            --bg: #fdfaf6;
            --bg-alt: #fff8f0;
            --bg-dark: #2c1810;
            --text: #2c1810;
            --text-light: #7f6b5d;
            --text-white: #fef9f4;
            --border: #f0e6dc;
            --border-light: #f7f0e8;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 4px 24px rgba(231,76,60,0.08);
            --shadow-hover: 0 12px 40px rgba(231,76,60,0.16);
            --shadow-nav: 0 2px 20px rgba(231,76,60,0.06);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --max-width: 1200px;
            --header-h: 76px;
        }

        /* ===== 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: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-dark); }
        button, input, textarea { font-family: inherit; font-size: 1rem; outline: none; }
        ul { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }

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

        /* ===== Header / Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(253,250,246,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            box-shadow: var(--shadow-nav);
            height: var(--header-h);
            transition: var(--transition);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.3px;
        }
        .logo i { font-size: 1.6rem; color: var(--secondary); }
        .logo span { color: var(--text); }
        .nav { display: flex; align-items: center; gap: 8px; }
        .nav a {
            padding: 8px 18px;
            border-radius: 40px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
        }
        .nav a:hover { color: var(--primary); background: rgba(231,76,60,0.06); }
        .nav a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 14px rgba(231,76,60,0.3);
        }
        .nav a.active:hover { background: var(--primary-dark); }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: 40px;
            padding: 0 16px;
            height: 42px;
            transition: var(--transition);
            min-width: 180px;
        }
        .search-box:focus-within {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(231,76,60,0.1);
        }
        .search-box i { color: var(--text-light); font-size: 0.9rem; }
        .search-box input {
            border: none;
            background: transparent;
            padding: 0 10px;
            height: 100%;
            width: 100%;
            color: var(--text);
            font-size: 0.9rem;
        }
        .search-box input::placeholder { color: var(--text-light); }
        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 0.9rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(231,76,60,0.25);
        }
        .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(231,76,60,0.35);
            color: #fff;
        }
        .btn-cta i { font-size: 0.85rem; }
        .mobile-toggle { display: none; background: none; border: none; font-size: 1.5rem; color: var(--text); cursor: pointer; padding: 4px; }

        /* ===== Hero Banner (Inner) ===== */
        .page-banner {
            margin-top: var(--header-h);
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, #2c1810 0%, #4a2c20 50%, #2c1810 100%);
            position: relative;
            overflow: hidden;
            padding: 80px 24px 60px;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.18;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg), transparent);
        }
        .page-banner .banner-content {
            position: relative;
            z-index: 2;
            max-width: 800px;
        }
        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            color: rgba(254,249,244,0.7);
            font-size: 0.85rem;
            margin-bottom: 20px;
        }
        .page-banner .breadcrumb a { color: var(--secondary-light); }
        .page-banner .breadcrumb a:hover { color: #fff; }
        .page-banner .breadcrumb i { font-size: 0.7rem; color: rgba(254,249,244,0.4); }
        .page-banner h1 {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .page-banner .meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            color: rgba(254,249,244,0.75);
            font-size: 0.9rem;
            flex-wrap: wrap;
        }
        .page-banner .meta span { display: flex; align-items: center; gap: 6px; }
        .page-banner .meta i { font-size: 0.85rem; }
        .page-banner .category-tag {
            display: inline-block;
            background: var(--secondary);
            color: #2c1810;
            padding: 4px 16px;
            border-radius: 40px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        /* ===== Article Main ===== */
        .article-main {
            padding: 60px 0 80px;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .article-body {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 44px;
            border: 1px solid var(--border-light);
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body .content p { margin-bottom: 1.4em; }
        .article-body .content h2 {
            font-size: 1.6rem;
            margin-top: 2em;
            margin-bottom: 0.8em;
            color: var(--primary-dark);
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }
        .article-body .content h3 {
            font-size: 1.25rem;
            margin-top: 1.6em;
            margin-bottom: 0.6em;
            color: var(--text);
        }
        .article-body .content ul, .article-body .content ol {
            padding-left: 1.6em;
            margin-bottom: 1.4em;
        }
        .article-body .content li { margin-bottom: 0.5em; }
        .article-body .content ul li { list-style: disc; }
        .article-body .content ol li { list-style: decimal; }
        .article-body .content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
        .article-body .content a:hover { color: var(--primary-dark); }
        .article-body .content blockquote {
            border-left: 4px solid var(--secondary);
            padding: 16px 20px;
            margin: 1.6em 0;
            background: var(--bg-alt);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-light);
            font-style: italic;
        }
        .article-body .content img {
            border-radius: var(--radius-sm);
            margin: 1.6em auto;
            box-shadow: var(--shadow);
        }
        .article-body .content .highlight-box {
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            padding: 24px 28px;
            margin: 1.6em 0;
        }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border);
        }
        .article-tags .tag {
            display: inline-block;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 0.82rem;
            color: var(--text-light);
            transition: var(--transition);
        }
        .article-tags .tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }

        /* ===== Sidebar ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            padding: 28px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-list { display: flex; flex-direction: column; gap: 12px; }
        .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            background: var(--bg);
            transition: var(--transition);
            font-size: 0.92rem;
            color: var(--text);
            border: 1px solid transparent;
        }
        .sidebar-list a:hover {
            background: var(--bg-alt);
            border-color: var(--border);
            transform: translateX(4px);
            color: var(--primary);
        }
        .sidebar-list a i { color: var(--secondary); font-size: 0.85rem; width: 20px; text-align: center; }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
            color: #fff;
            border-radius: var(--radius);
            padding: 28px;
            text-align: center;
        }
        .sidebar-cta h3 { color: #fff; font-size: 1.15rem; margin-bottom: 8px; }
        .sidebar-cta p { color: rgba(255,255,255,0.85); font-size: 0.9rem; margin-bottom: 20px; }
        .sidebar-cta .btn-cta { background: #fff; color: var(--primary); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
        .sidebar-cta .btn-cta:hover { background: var(--secondary); color: #2c1810; }

        /* ===== Related Section ===== */
        .related-section {
            padding: 60px 0;
            background: var(--bg-alt);
        }
        .related-section h2 {
            text-align: center;
            font-size: 1.8rem;
            margin-bottom: 40px;
            color: var(--text);
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .related-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .related-card .card-img {
            height: 180px;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }
        .related-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition); }
        .related-card:hover .card-img img { transform: scale(1.05); }
        .related-card .card-body { padding: 20px 22px; }
        .related-card .card-body h4 { font-size: 1.05rem; margin-bottom: 8px; }
        .related-card .card-body h4 a { color: var(--text); }
        .related-card .card-body h4 a:hover { color: var(--primary); }
        .related-card .card-body p { color: var(--text-light); font-size: 0.88rem; line-height: 1.6; }
        .related-card .card-body .meta { display: flex; align-items: center; gap: 12px; margin-top: 12px; font-size: 0.8rem; color: var(--text-light); }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 60px 0;
            background: var(--bg);
        }
        .faq-section h2 {
            text-align: center;
            font-size: 1.8rem;
            margin-bottom: 40px;
        }
        .faq-grid {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--border-light);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--border); box-shadow: var(--shadow); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            gap: 12px;
            user-select: none;
        }
        .faq-question i { color: var(--primary); transition: var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 60px 0;
            background: linear-gradient(135deg, #2c1810 0%, #4a2c20 100%);
            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: 0.12;
            mix-blend-mode: overlay;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: var(--text-white); font-size: 2rem; margin-bottom: 12px; }
        .cta-section p { color: rgba(254,249,244,0.8); font-size: 1.05rem; margin-bottom: 28px; max-width: 600px; margin-left: auto; margin-right: auto; }
        .cta-section .btn-cta { background: var(--secondary); color: #2c1810; font-size: 1.05rem; padding: 14px 36px; }
        .cta-section .btn-cta:hover { background: #fff; color: var(--primary); }

        /* ===== Footer ===== */
        .footer {
            background: #1e100c;
            color: rgba(254,249,244,0.7);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { font-size: 1.2rem; margin-bottom: 12px; color: var(--text-white); }
        .footer-brand .logo span { color: var(--text-white); }
        .footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
        .footer h4 { color: var(--text-white); font-size: 0.95rem; margin-bottom: 16px; font-weight: 600; }
        .footer a { display: block; color: rgba(254,249,244,0.6); font-size: 0.88rem; padding: 4px 0; }
        .footer a:hover { color: var(--secondary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 0.82rem;
            color: rgba(254,249,244,0.5);
        }
        .footer-bottom i { color: var(--secondary); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            :root { --header-h: 64px; }
            .nav { display: none; }
            .nav.open { display: flex; flex-direction: column; position: absolute; top: var(--header-h); left: 0; right: 0; background: rgba(253,250,246,0.98); backdrop-filter: blur(20px); padding: 16px 24px; border-bottom: 1px solid var(--border); box-shadow: var(--shadow); gap: 6px; }
            .nav a { width: 100%; padding: 12px 16px; border-radius: var(--radius-sm); }
            .mobile-toggle { display: block; }
            .header-actions .search-box { display: none; }
            .page-banner { min-height: 240px; padding: 60px 20px 40px; }
            .page-banner h1 { font-size: 1.6rem; }
            .article-body { padding: 24px 20px; }
            .article-body .content { font-size: 1rem; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .sidebar-card { padding: 20px; }
        }
        @media (max-width: 520px) {
            .page-banner h1 { font-size: 1.35rem; }
            .page-banner .meta { font-size: 0.8rem; gap: 12px; }
            .article-body { padding: 16px 14px; }
            .article-body .content h2 { font-size: 1.3rem; }
            .sidebar-list a { font-size: 0.85rem; padding: 8px 12px; }
            .cta-section h2 { font-size: 1.4rem; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e17055;
            --primary-dark: #c95a3e;
            --primary-light: #f5a88e;
            --secondary: #fdcb6e;
            --secondary-light: #ffeaa7;
            --accent: #ff6b6b;
            --deep: #2d3436;
            --deep-light: #636e72;
            --bg-warm: #fef9f0;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --text-primary: #2d3436;
            --text-secondary: #636e72;
            --text-light: #b2bec3;
            --border: #f0e6d8;
            --border-light: #f5efe8;
            --shadow-sm: 0 2px 8px rgba(45, 52, 54, 0.06);
            --shadow-md: 0 8px 30px rgba(45, 52, 54, 0.08);
            --shadow-lg: 0 20px 60px rgba(45, 52, 54, 0.12);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-warm);
            padding-top: var(--header-height);
        }

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

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

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

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header / Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .header.scrolled {
            box-shadow: var(--shadow-sm);
        }

        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--deep);
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.5rem;
        }

        .logo span {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

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

        .nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            position: relative;
        }

        .nav a:hover {
            color: var(--primary);
            background: rgba(225, 112, 85, 0.06);
        }

        .nav a.active {
            color: var(--primary);
            background: rgba(225, 112, 85, 0.1);
            font-weight: 600;
        }

        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--bg-warm);
            border: 1px solid var(--border);
            border-radius: 100px;
            padding: 0 16px;
            height: 40px;
            width: 200px;
            transition: var(--transition);
        }

        .search-box:focus-within {
            border-color: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(225, 112, 85, 0.12);
            background: var(--bg-white);
        }

        .search-box i {
            color: var(--text-light);
            font-size: 0.85rem;
            margin-right: 8px;
        }

        .search-box input {
            flex: 1;
            background: none;
            border: none;
            font-size: 0.85rem;
            color: var(--text-primary);
            padding: 4px 0;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(225, 112, 85, 0.3);
            cursor: pointer;
            border: none;
        }

        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(225, 112, 85, 0.4);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 8px rgba(225, 112, 85, 0.3);
        }

        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 24px;
            background: var(--bg-white);
            color: var(--deep);
            border: 1px solid var(--border);
            border-radius: 100px;
            font-weight: 600;
            font-size: 0.85rem;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-secondary:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            box-shadow: var(--shadow-sm);
        }

        .btn-secondary:active {
            transform: scale(0.97);
        }

        /* Mobile toggle */
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: var(--radius-sm);
            cursor: pointer;
            color: var(--text-secondary);
            font-size: 1.3rem;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(225, 112, 85, 0.06);
            color: var(--primary);
        }

        /* ===== Hero / Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 60px;
            background: linear-gradient(135deg, var(--deep) 0%, #1a1a2e 100%);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.2;
            mix-blend-mode: overlay;
        }

        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(225, 112, 85, 0.15), transparent 70%);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            margin-bottom: 16px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .page-banner .breadcrumb a {
            color: rgba(255, 255, 255, 0.7);
        }

        .page-banner .breadcrumb a:hover {
            color: var(--secondary);
        }

        .page-banner .breadcrumb i {
            font-size: 0.65rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .page-banner h1 {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .page-banner h1 i {
            color: var(--secondary);
            margin-right: 10px;
        }

        .page-banner p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 650px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

        .banner-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }

        .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 0.8rem;
            font-weight: 500;
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.9);
            backdrop-filter: blur(4px);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .banner-tag i {
            color: var(--secondary);
        }

        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--bg-white);
        }

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

        .section-header .label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 16px;
            border-radius: 100px;
            font-size: 0.75rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            background: rgba(225, 112, 85, 0.08);
            color: var(--primary);
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--deep);
            line-height: 1.3;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        .section-header.light h2 {
            color: #fff;
        }

        .section-header.light p {
            color: rgba(255, 255, 255, 0.7);
        }

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

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

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

        .card-image {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
            background: var(--bg-warm);
        }

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

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

        .card-image .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 14px;
            border-radius: 100px;
            font-size: 0.7rem;
            font-weight: 600;
            background: var(--primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(225, 112, 85, 0.3);
        }

        .card-image .badge.hot {
            background: var(--accent);
        }

        .card-image .badge.new {
            background: #00b894;
        }

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

        .card-body .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-light);
            margin-bottom: 8px;
        }

        .card-body .meta i {
            margin-right: 4px;
        }

        .card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--deep);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-body p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        .card-body .card-footer-link {
            margin-top: 16px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--primary);
        }

        .card-body .card-footer-link i {
            transition: var(--transition);
            font-size: 0.75rem;
        }

        .card-body .card-footer-link:hover i {
            transform: translateX(4px);
        }

        /* ===== Guide Intro ===== */
        .guide-intro {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .guide-intro-image {
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-md);
        }

        .guide-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .guide-intro-content h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--deep);
            margin-bottom: 16px;
            line-height: 1.3;
        }

        .guide-intro-content p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 20px;
        }

        .guide-intro-content .feature-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .guide-intro-content .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 0.95rem;
            color: var(--text-primary);
        }

        .guide-intro-content .feature-list li i {
            color: var(--primary);
            margin-top: 3px;
            flex-shrink: 0;
        }

        /* ===== Steps / Timeline ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }

        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--border-light);
            transition: var(--transition);
            position: relative;
        }

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

        .step-card .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 700;
            margin: 0 auto 16px;
            box-shadow: 0 4px 14px rgba(225, 112, 85, 0.25);
        }

        .step-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--deep);
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.85rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Tips Section ===== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .tip-card {
            display: flex;
            gap: 20px;
            padding: 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }

        .tip-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
        }

        .tip-card .tip-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(225, 112, 85, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--primary);
            flex-shrink: 0;
        }

        .tip-card .tip-content h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--deep);
            margin-bottom: 4px;
        }

        .tip-card .tip-content p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item:hover {
            border-color: var(--border);
        }

        .faq-item summary {
            padding: 20px 24px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--deep);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            transition: var(--transition);
        }

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

        .faq-item summary::after {
            content: '\f107';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.85rem;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item[open] summary::after {
            transform: rotate(180deg);
        }

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

        .faq-item .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--deep) 0%, #1a1a2e 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 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }

        .cta-section .btn-primary {
            padding: 14px 36px;
            font-size: 1rem;
            background: linear-gradient(135deg, var(--secondary), #f0b429);
            color: var(--deep);
            box-shadow: 0 4px 20px rgba(253, 203, 110, 0.3);
        }

        .cta-section .btn-primary:hover {
            box-shadow: 0 8px 30px rgba(253, 203, 110, 0.45);
            transform: translateY(-3px);
        }

        .cta-section .btn-primary i {
            color: var(--deep);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--deep);
            color: rgba(255, 255, 255, 0.8);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
            font-size: 1.3rem;
        }

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

        .footer-brand .logo span {
            background: linear-gradient(135deg, var(--secondary), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer a {
            display: block;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
            gap: 12px;
        }

        .footer-bottom i {
            color: var(--secondary);
            margin-right: 4px;
        }

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

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

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

            .search-box {
                width: 160px;
            }

            .page-banner h1 {
                font-size: 2.4rem;
            }
        }

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

            .nav {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border-light);
                padding: 16px 24px;
                flex-direction: column;
                gap: 4px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                box-shadow: var(--shadow-md);
                z-index: 999;
            }

            .nav.open {
                transform: translateY(0);
                opacity: 1;
            }

            .nav a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }

            .nav a.active::after {
                display: none;
            }

            .mobile-toggle {
                display: flex;
            }

            .search-box {
                width: 140px;
            }

            .search-box input {
                width: 80px;
            }

            .page-banner {
                padding: 60px 0 40px;
                min-height: 240px;
            }

            .page-banner h1 {
                font-size: 1.8rem;
            }

            .page-banner p {
                font-size: 1rem;
            }

            .section {
                padding: 56px 0;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

            .guide-intro-image {
                order: -1;
            }

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

            .step-card {
                padding: 24px 16px;
            }

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

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

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

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .cta-section p {
                font-size: 0.95rem;
            }
        }

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

            .header-actions .btn-primary span {
                display: none;
            }

            .header-actions .btn-primary {
                padding: 10px 14px;
            }

            .search-box {
                width: 110px;
            }

            .page-banner h1 {
                font-size: 1.5rem;
            }

            .banner-tag {
                font-size: 0.7rem;
                padding: 4px 12px;
            }

            .section-header h2 {
                font-size: 1.4rem;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .card-body {
                padding: 18px;
            }

            .faq-item summary {
                padding: 16px 18px;
                font-size: 0.92rem;
            }

            .faq-item .faq-answer {
                padding: 0 18px 16px;
                font-size: 0.85rem;
            }

            .cta-section {
                padding: 56px 0;
            }

            .cta-section h2 {
                font-size: 1.4rem;
            }
        }