/* roulang page: index */
:root {
            --brand-primary: #1a1a2e;
            --brand-secondary: #c9a96e;
            --brand-accent: #e8d5a3;
            --brand-light: #f8f7f4;
            --brand-dark: #0f0f1a;
            --brand-gray: #6c757d;
            --brand-border: #e5e0d8;
            --brand-shadow: 0 4px 24px rgba(26,26,46,0.06);
            --brand-shadow-hover: 0 8px 40px rgba(26,26,46,0.12);
            --brand-radius: 12px;
            --brand-radius-sm: 8px;
            --brand-radius-lg: 20px;
            --font-primary: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --font-heading: 'Playfair Display', 'Georgia', serif;
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body { font-family: var(--font-primary); background: var(--brand-light); color: #2d2d2d; line-height: 1.7; }
        a { color: var(--brand-primary); text-decoration: none; transition: var(--transition-base); }
        a:hover { color: var(--brand-secondary); }
        img { max-width: 100%; height: auto; display: block; }
        .container { max-width: 1200px; padding: 0 24px; margin: 0 auto; }
        .section-padding { padding: 100px 0; }
        .section-padding-sm { padding: 60px 0; }
        .section-title { font-family: var(--font-heading); font-size: 2.6rem; font-weight: 700; color: var(--brand-primary); margin-bottom: 16px; letter-spacing: -0.02em; }
        .section-subtitle { font-size: 1.1rem; color: var(--brand-gray); max-width: 640px; margin: 0 auto 48px; line-height: 1.8; }
        .text-gold { color: var(--brand-secondary); }
        .bg-dark-custom { background: var(--brand-primary); color: #f0ede8; }
        .bg-light-custom { background: #f5f3ef; }
        .border-gold { border-color: var(--brand-secondary) !important; }
        .btn-gold { background: var(--brand-secondary); color: #fff; border: none; padding: 14px 40px; border-radius: 50px; font-weight: 600; font-size: 1rem; transition: var(--transition-base); letter-spacing: 0.5px; }
        .btn-gold:hover { background: #b8944e; color: #fff; transform: translateY(-2px); box-shadow: 0 8px 30px rgba(201,169,110,0.35); }
        .btn-outline-gold { background: transparent; color: var(--brand-secondary); border: 2px solid var(--brand-secondary); padding: 12px 36px; border-radius: 50px; font-weight: 600; font-size: 1rem; transition: var(--transition-base); }
        .btn-outline-gold:hover { background: var(--brand-secondary); color: #fff; transform: translateY(-2px); }
        .card-custom { background: #fff; border: none; border-radius: var(--brand-radius); box-shadow: var(--brand-shadow); transition: var(--transition-base); overflow: hidden; }
        .card-custom:hover { box-shadow: var(--brand-shadow-hover); transform: translateY(-4px); }
        .badge-gold { background: rgba(201,169,110,0.15); color: var(--brand-secondary); font-weight: 500; font-size: 0.8rem; padding: 6px 16px; border-radius: 50px; letter-spacing: 0.3px; }
        .divider { width: 60px; height: 3px; background: var(--brand-secondary); border-radius: 2px; margin: 24px 0; }
        .divider-center { margin-left: auto; margin-right: auto; }

        /* Header / Nav */
        .site-header { background: rgba(255,255,255,0.97); backdrop-filter: blur(12px); border-bottom: 1px solid var(--brand-border); position: sticky; top: 0; z-index: 1050; transition: var(--transition-base); }
        .site-header .navbar { padding: 16px 0; }
        .site-header .navbar-brand { font-family: var(--font-heading); font-size: 1.6rem; font-weight: 700; color: var(--brand-primary); letter-spacing: -0.3px; margin-right: 48px; }
        .site-header .navbar-brand span { color: var(--brand-secondary); }
        .site-header .navbar-brand:hover { color: var(--brand-primary); }
        .site-header .nav-link { color: #4a4a4a; font-weight: 500; font-size: 0.95rem; padding: 8px 20px !important; border-radius: 50px; transition: var(--transition-base); position: relative; }
        .site-header .nav-link:hover { color: var(--brand-primary); background: rgba(201,169,110,0.08); }
        .site-header .nav-link.active { color: var(--brand-secondary); background: rgba(201,169,110,0.12); }
        .site-header .nav-link.active::after { display: none; }
        .navbar-toggler { border: none; padding: 4px 8px; }
        .navbar-toggler:focus { box-shadow: none; }
        .navbar-toggler-icon { width: 24px; height: 2px; background: var(--brand-primary); display: block; position: relative; transition: var(--transition-base); }
        .navbar-toggler-icon::before, .navbar-toggler-icon::after { content: ''; width: 24px; height: 2px; background: var(--brand-primary); display: block; position: absolute; left: 0; transition: var(--transition-base); }
        .navbar-toggler-icon::before { top: -8px; }
        .navbar-toggler-icon::after { top: 8px; }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon { background: transparent; }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::before { transform: rotate(45deg); top: 0; }
        .navbar-toggler[aria-expanded="true"] .navbar-toggler-icon::after { transform: rotate(-45deg); top: 0; }

        /* Hero */
        .hero-section { position: relative; min-height: 85vh; display: flex; align-items: center; background: var(--brand-dark); overflow: hidden; }
        .hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.5; }
        .hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(15,15,26,0.88) 0%, rgba(26,26,46,0.72) 60%, rgba(201,169,110,0.15) 100%); }
        .hero-content { position: relative; z-index: 2; padding: 120px 0 80px; }
        .hero-content .hero-badge { display: inline-block; background: rgba(201,169,110,0.2); color: var(--brand-accent); font-size: 0.85rem; font-weight: 500; padding: 8px 24px; border-radius: 50px; letter-spacing: 1px; margin-bottom: 24px; border: 1px solid rgba(201,169,110,0.2); }
        .hero-content h1 { font-family: var(--font-heading); font-size: 4rem; font-weight: 700; color: #fff; line-height: 1.15; letter-spacing: -0.03em; margin-bottom: 24px; }
        .hero-content h1 .highlight { color: var(--brand-secondary); }
        .hero-content p { font-size: 1.2rem; color: rgba(255,255,255,0.75); max-width: 580px; line-height: 1.8; margin-bottom: 36px; }
        .hero-content .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; }
        .hero-stats { display: flex; gap: 48px; margin-top: 56px; padding-top: 40px; border-top: 1px solid rgba(255,255,255,0.1); }
        .hero-stats .stat-item { text-align: center; }
        .hero-stats .stat-number { font-family: var(--font-heading); font-size: 2.4rem; font-weight: 700; color: var(--brand-secondary); display: block; line-height: 1.2; }
        .hero-stats .stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.55); margin-top: 4px; }

        /* About / Intro */
        .intro-section { background: #fff; }
        .intro-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 64px; align-items: center; }
        .intro-image { border-radius: var(--brand-radius-lg); overflow: hidden; box-shadow: var(--brand-shadow); }
        .intro-image img { width: 100%; height: 420px; object-fit: cover; }
        .intro-content h2 { font-family: var(--font-heading); font-size: 2.4rem; font-weight: 700; color: var(--brand-primary); margin-bottom: 20px; }
        .intro-content p { color: #555; line-height: 1.9; margin-bottom: 16px; }
        .intro-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-top: 32px; }
        .intro-features .feat-item { display: flex; align-items: center; gap: 12px; font-size: 0.95rem; color: #333; }
        .intro-features .feat-item i { color: var(--brand-secondary); font-size: 1.1rem; width: 24px; }

        /* Services / Categories */
        .services-section { background: var(--bg-light-custom); }
        .services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .service-card { background: #fff; border-radius: var(--brand-radius); box-shadow: var(--brand-shadow); padding: 40px 32px; transition: var(--transition-base); text-align: center; border: 1px solid transparent; }
        .service-card:hover { box-shadow: var(--brand-shadow-hover); transform: translateY(-6px); border-color: rgba(201,169,110,0.2); }
        .service-card .icon-wrap { width: 72px; height: 72px; background: rgba(201,169,110,0.1); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; font-size: 2rem; color: var(--brand-secondary); transition: var(--transition-base); }
        .service-card:hover .icon-wrap { background: var(--brand-secondary); color: #fff; }
        .service-card h3 { font-size: 1.25rem; font-weight: 700; color: var(--brand-primary); margin-bottom: 12px; }
        .service-card p { font-size: 0.95rem; color: #666; line-height: 1.7; }
        .service-card .card-tags { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px; margin-top: 20px; }
        .service-card .card-tags span { background: #f5f3ef; color: #555; font-size: 0.78rem; padding: 4px 14px; border-radius: 50px; }

        /* Latest Posts */
        .posts-section { background: #fff; }
        .posts-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
        .post-card { background: #fff; border-radius: var(--brand-radius); box-shadow: var(--brand-shadow); overflow: hidden; transition: var(--transition-base); border: 1px solid var(--brand-border); }
        .post-card:hover { box-shadow: var(--brand-shadow-hover); transform: translateY(-4px); }
        .post-card .post-image { height: 220px; overflow: hidden; }
        .post-card .post-image img { width: 100%; height: 100%; object-fit: cover; transition: var(--transition-base); }
        .post-card:hover .post-image img { transform: scale(1.05); }
        .post-card .post-body { padding: 28px; }
        .post-card .post-meta { display: flex; align-items: center; gap: 16px; font-size: 0.85rem; color: var(--brand-gray); margin-bottom: 12px; }
        .post-card .post-meta .post-cat { background: rgba(201,169,110,0.12); color: var(--brand-secondary); padding: 2px 14px; border-radius: 50px; font-weight: 500; }
        .post-card .post-meta .post-date { color: #999; }
        .post-card h3 { font-size: 1.2rem; font-weight: 700; color: var(--brand-primary); margin-bottom: 10px; line-height: 1.4; }
        .post-card h3 a { color: inherit; }
        .post-card h3 a:hover { color: var(--brand-secondary); }
        .post-card p { font-size: 0.95rem; color: #666; line-height: 1.7; }
        .post-card .post-footer { padding: 16px 28px; border-top: 1px solid var(--brand-border); display: flex; justify-content: space-between; align-items: center; font-size: 0.85rem; }
        .post-card .post-footer a { color: var(--brand-secondary); font-weight: 500; }
        .post-card .post-footer a:hover { color: var(--brand-primary); }
        .empty-posts { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--brand-gray); background: #f9f8f6; border-radius: var(--brand-radius); }

        /* Stats / Data */
        .stats-section { background: var(--brand-primary); color: #f0ede8; position: relative; }
        .stats-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat; opacity: 0.08; }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; position: relative; z-index: 1; }
        .stats-grid .stat-card { text-align: center; padding: 32px 16px; }
        .stats-grid .stat-card .num { font-family: var(--font-heading); font-size: 3rem; font-weight: 700; color: var(--brand-secondary); display: block; line-height: 1.2; }
        .stats-grid .stat-card .label { font-size: 1rem; color: rgba(255,255,255,0.6); margin-top: 8px; }
        .stats-grid .stat-card .desc { font-size: 0.85rem; color: rgba(255,255,255,0.4); margin-top: 4px; }

        /* Process */
        .process-section { background: #fff; }
        .process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; position: relative; }
        .process-grid::before { content: ''; position: absolute; top: 48px; left: 10%; right: 10%; height: 2px; background: linear-gradient(90deg, var(--brand-secondary), rgba(201,169,110,0.2)); z-index: 0; }
        .process-step { text-align: center; position: relative; z-index: 1; padding: 0 12px; }
        .process-step .step-num { width: 56px; height: 56px; background: var(--brand-secondary); color: #fff; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.4rem; font-weight: 700; margin: 0 auto 20px; font-family: var(--font-heading); box-shadow: 0 4px 20px rgba(201,169,110,0.3); }
        .process-step h4 { font-size: 1.1rem; font-weight: 700; color: var(--brand-primary); margin-bottom: 8px; }
        .process-step p { font-size: 0.9rem; color: #777; line-height: 1.6; }

        /* FAQ */
        .faq-section { background: var(--bg-light-custom); }
        .faq-list { max-width: 800px; margin: 0 auto; }
        .faq-item { background: #fff; border-radius: var(--brand-radius-sm); margin-bottom: 12px; border: 1px solid var(--brand-border); overflow: hidden; transition: var(--transition-base); }
        .faq-item:hover { border-color: rgba(201,169,110,0.3); }
        .faq-item .faq-question { padding: 20px 28px; font-weight: 600; color: var(--brand-primary); cursor: pointer; display: flex; justify-content: space-between; align-items: center; background: none; border: none; width: 100%; text-align: left; font-size: 1rem; }
        .faq-item .faq-question i { color: var(--brand-secondary); transition: var(--transition-base); font-size: 0.9rem; }
        .faq-item .faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
        .faq-item .faq-answer { padding: 0 28px 20px; color: #555; line-height: 1.8; font-size: 0.95rem; }

        /* CTA */
        .cta-section { background: var(--brand-primary); position: relative; overflow: hidden; }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat; opacity: 0.06; }
        .cta-content { position: relative; z-index: 1; text-align: center; padding: 80px 0; }
        .cta-content h2 { font-family: var(--font-heading); font-size: 2.8rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .cta-content p { font-size: 1.15rem; color: rgba(255,255,255,0.65); max-width: 560px; margin: 0 auto 32px; }
        .cta-content .btn-gold { font-size: 1.1rem; padding: 16px 48px; }

        /* Footer */
        .site-footer { background: var(--brand-dark); color: rgba(255,255,255,0.6); padding: 60px 0 32px; }
        .site-footer .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 48px; }
        .site-footer .footer-brand { font-family: var(--font-heading); font-size: 1.5rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
        .site-footer .footer-brand span { color: var(--brand-secondary); }
        .site-footer p { font-size: 0.9rem; line-height: 1.8; }
        .site-footer h5 { color: #fff; font-weight: 600; font-size: 1rem; margin-bottom: 20px; letter-spacing: 0.5px; }
        .site-footer ul { list-style: none; padding: 0; }
        .site-footer ul li { margin-bottom: 10px; }
        .site-footer ul li a { color: rgba(255,255,255,0.5); font-size: 0.9rem; transition: var(--transition-base); }
        .site-footer ul li a:hover { color: var(--brand-secondary); }
        .site-footer .footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 24px; margin-top: 48px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.85rem; color: rgba(255,255,255,0.35); }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content h1 { font-size: 3.2rem; }
            .intro-grid { gap: 40px; }
            .services-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 24px; }
            .process-grid { grid-template-columns: repeat(2, 1fr); gap: 32px; }
            .process-grid::before { display: none; }
            .site-footer .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
        }
        @media (max-width: 768px) {
            .section-padding { padding: 60px 0; }
            .section-title { font-size: 2rem; }
            .hero-content h1 { font-size: 2.4rem; }
            .hero-content p { font-size: 1rem; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stats .stat-number { font-size: 1.8rem; }
            .intro-grid { grid-template-columns: 1fr; gap: 24px; }
            .intro-image img { height: 280px; }
            .intro-features { grid-template-columns: 1fr; }
            .services-grid { grid-template-columns: 1fr; gap: 20px; }
            .posts-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stats-grid .stat-card .num { font-size: 2.2rem; }
            .process-grid { grid-template-columns: 1fr; gap: 28px; }
            .cta-content h2 { font-size: 2rem; }
            .cta-content p { font-size: 1rem; }
            .site-footer .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .site-footer .footer-bottom { flex-direction: column; text-align: center; }
            .site-header .navbar-brand { font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .section-title { font-size: 1.6rem; }
            .hero-content h1 { font-size: 1.8rem; }
            .hero-content .hero-actions { flex-direction: column; }
            .hero-content .hero-actions .btn { width: 100%; text-align: center; }
            .hero-stats { flex-direction: column; gap: 16px; align-items: flex-start; }
            .hero-stats .stat-item { text-align: left; }
            .stats-grid { grid-template-columns: 1fr; }
            .service-card { padding: 28px 20px; }
            .post-card .post-body { padding: 20px; }
            .faq-item .faq-question { padding: 16px 20px; font-size: 0.95rem; }
            .faq-item .faq-answer { padding: 0 20px 16px; }
            .cta-content { padding: 48px 0; }
            .cta-content h2 { font-size: 1.6rem; }
        }

/* roulang page: article */
:root {
            --primary: #1a1a2e;
            --primary-light: #2d2d4e;
            --accent: #c8a87c;
            --accent-hover: #b8956a;
            --accent-light: #f5ede2;
            --bg-light: #f9f7f4;
            --bg-white: #ffffff;
            --text-dark: #1a1a2e;
            --text-body: #4a4a5a;
            --text-muted: #8a8a9a;
            --border-color: #e8e4de;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.06);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.08);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body { font-family: var(--font-sans); color: var(--text-body); background: var(--bg-light); line-height: 1.7; font-size: 1rem; }
        a { color: var(--accent); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent-hover); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        @media (max-width: 768px) { .container { padding: 0 16px; } }

        /* header */
        .site-header { background: var(--bg-white); border-bottom: 1px solid var(--border-color); position: sticky; top: 0; z-index: 1000; backdrop-filter: blur(12px); background: rgba(255,255,255,0.96); }
        .navbar { padding: 14px 0; }
        .navbar-brand { font-size: 1.6rem; font-weight: 700; color: var(--text-dark); letter-spacing: -0.02em; }
        .navbar-brand span { color: var(--accent); }
        .navbar-brand:hover { color: var(--text-dark); }
        .navbar-nav .nav-link { font-size: 0.95rem; font-weight: 500; color: var(--text-body); padding: 8px 18px !important; border-radius: var(--radius-sm); transition: var(--transition); position: relative; }
        .navbar-nav .nav-link:hover,
        .navbar-nav .nav-link.active { color: var(--text-dark); background: var(--accent-light); }
        .navbar-nav .nav-link.active::after { content: ''; position: absolute; bottom: 2px; left: 18px; right: 18px; height: 2px; background: var(--accent); border-radius: 2px; }
        .navbar-toggler { border: none; padding: 6px 10px; border-radius: var(--radius-sm); }
        .navbar-toggler:focus { box-shadow: none; }
        .navbar-toggler-icon { background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='%231a1a2e' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e"); }
        @media (max-width: 991px) {
            .navbar-nav .nav-link { padding: 10px 16px !important; }
            .navbar-nav .nav-link.active::after { display: none; }
        }

        /* page banner */
        .page-banner { background: var(--text-dark); position: relative; padding: 80px 0 60px; overflow: hidden; }
        .page-banner::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.2; }
        .page-banner .container { position: relative; z-index: 2; }
        .page-banner h1 { font-size: 2.4rem; font-weight: 700; color: #fff; letter-spacing: -0.02em; line-height: 1.25; max-width: 800px; }
        .page-banner .meta { color: rgba(255,255,255,0.6); font-size: 0.95rem; margin-top: 16px; display: flex; flex-wrap: wrap; gap: 20px; }
        .page-banner .meta span { display: inline-flex; align-items: center; gap: 6px; }
        .page-banner .meta i { color: var(--accent); }
        .page-banner .category-badge { display: inline-block; background: var(--accent); color: var(--text-dark); font-size: 0.8rem; font-weight: 600; padding: 4px 14px; border-radius: 20px; margin-bottom: 16px; letter-spacing: 0.03em; }
        @media (max-width: 768px) {
            .page-banner { padding: 60px 0 40px; }
            .page-banner h1 { font-size: 1.6rem; }
            .page-banner .meta { flex-direction: column; gap: 8px; }
        }

        /* article content */
        .article-section { padding: 60px 0 80px; }
        .article-wrapper { max-width: 860px; margin: 0 auto; background: var(--bg-white); border-radius: var(--radius-md); box-shadow: var(--shadow-md); padding: 48px; }
        .article-body { font-size: 1.05rem; line-height: 1.85; color: var(--text-body); }
        .article-body h2, .article-body h3, .article-body h4 { color: var(--text-dark); margin-top: 32px; margin-bottom: 16px; font-weight: 600; }
        .article-body h2 { font-size: 1.6rem; }
        .article-body h3 { font-size: 1.3rem; }
        .article-body p { margin-bottom: 20px; }
        .article-body ul, .article-body ol { margin-bottom: 20px; padding-left: 24px; }
        .article-body li { margin-bottom: 8px; }
        .article-body img { margin: 24px 0; border-radius: var(--radius-sm); box-shadow: var(--shadow-sm); }
        .article-body blockquote { border-left: 4px solid var(--accent); background: var(--accent-light); padding: 16px 24px; margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-dark); font-style: italic; }
        .article-body a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
        .article-body a:hover { color: var(--accent-hover); }
        .article-divider { border: none; border-top: 1px solid var(--border-color); margin: 40px 0; }
        .article-footer-meta { display: flex; flex-wrap: wrap; gap: 12px; justify-content: space-between; align-items: center; padding-top: 24px; }
        .article-tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-tags .tag { background: var(--accent-light); color: var(--text-dark); font-size: 0.8rem; font-weight: 500; padding: 4px 14px; border-radius: 20px; transition: var(--transition); }
        .article-tags .tag:hover { background: var(--accent); color: #fff; }
        .article-share { display: flex; gap: 10px; align-items: center; }
        .article-share a { display: inline-flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--accent-light); color: var(--text-dark); font-size: 0.9rem; transition: var(--transition); }
        .article-share a:hover { background: var(--accent); color: #fff; }
        @media (max-width: 768px) {
            .article-wrapper { padding: 24px 20px; }
            .article-body { font-size: 0.98rem; }
            .article-footer-meta { flex-direction: column; align-items: flex-start; }
        }

        /* not found */
        .not-found-box { text-align: center; padding: 80px 20px; }
        .not-found-box .icon { font-size: 4rem; color: var(--accent); margin-bottom: 24px; }
        .not-found-box h2 { font-size: 1.8rem; color: var(--text-dark); margin-bottom: 12px; }
        .not-found-box p { color: var(--text-muted); margin-bottom: 24px; max-width: 400px; margin-left: auto; margin-right: auto; }
        .not-found-box .btn-back { display: inline-block; padding: 12px 32px; background: var(--accent); color: var(--text-dark); font-weight: 600; border-radius: var(--radius-sm); transition: var(--transition); }
        .not-found-box .btn-back:hover { background: var(--accent-hover); color: var(--text-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }

        /* related posts */
        .related-section { padding: 60px 0 80px; background: var(--bg-white); }
        .related-section .section-title { font-size: 1.6rem; font-weight: 700; color: var(--text-dark); text-align: center; margin-bottom: 40px; }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
        .related-card { background: var(--bg-light); border-radius: var(--radius-md); overflow: hidden; transition: var(--transition); border: 1px solid var(--border-color); }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
        .related-card .card-img { height: 200px; background: var(--border-color); 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; }
        .related-card .card-category { font-size: 0.75rem; font-weight: 600; color: var(--accent); text-transform: uppercase; letter-spacing: 0.05em; margin-bottom: 6px; }
        .related-card .card-title { font-size: 1.05rem; font-weight: 600; color: var(--text-dark); line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .related-card .card-title:hover { color: var(--accent); }
        .related-card .card-date { font-size: 0.85rem; color: var(--text-muted); margin-top: 8px; display: flex; align-items: center; gap: 6px; }
        @media (max-width: 991px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
        @media (max-width: 576px) { .related-grid { grid-template-columns: 1fr; } }

        /* CTA */
        .cta-section { background: var(--text-dark); padding: 60px 0; position: relative; overflow: hidden; }
        .cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-3.png') center/cover no-repeat; opacity: 0.12; }
        .cta-section .container { position: relative; z-index: 2; text-align: center; }
        .cta-section h2 { font-size: 2rem; font-weight: 700; color: #fff; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.7); max-width: 600px; margin: 0 auto 28px; font-size: 1.05rem; }
        .cta-section .btn-cta { display: inline-block; padding: 14px 40px; background: var(--accent); color: var(--text-dark); font-weight: 600; border-radius: var(--radius-sm); font-size: 1rem; transition: var(--transition); border: none; }
        .cta-section .btn-cta:hover { background: var(--accent-hover); color: var(--text-dark); transform: translateY(-2px); box-shadow: var(--shadow-lg); }
        @media (max-width: 768px) { .cta-section h2 { font-size: 1.5rem; } }

        /* footer */
        .site-footer { background: #111120; color: rgba(255,255,255,0.7); padding: 60px 0 0; }
        .footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 40px; margin-bottom: 40px; }
        .footer-brand { font-size: 1.6rem; font-weight: 700; color: #fff; margin-bottom: 12px; letter-spacing: -0.02em; }
        .footer-brand span { color: var(--accent); }
        .site-footer p { font-size: 0.92rem; line-height: 1.7; color: rgba(255,255,255,0.5); max-width: 320px; }
        .site-footer h5 { font-size: 0.95rem; font-weight: 600; color: #fff; margin-bottom: 16px; letter-spacing: 0.02em; }
        .site-footer ul { list-style: none; padding: 0; margin: 0; }
        .site-footer ul li { margin-bottom: 10px; font-size: 0.9rem; }
        .site-footer ul li a { color: rgba(255,255,255,0.5); transition: var(--transition); }
        .site-footer ul li a:hover { color: var(--accent); }
        .site-footer ul li i { color: var(--accent); width: 18px; }
        .footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding: 20px 0; display: flex; flex-wrap: wrap; justify-content: space-between; font-size: 0.85rem; color: rgba(255,255,255,0.3); }
        @media (max-width: 991px) { .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; } }
        @media (max-width: 576px) { .footer-grid { grid-template-columns: 1fr; gap: 24px; } .footer-bottom { flex-direction: column; gap: 8px; text-align: center; } }

        /* scroll top */
        .scroll-top { position: fixed; bottom: 30px; right: 30px; width: 44px; height: 44px; border-radius: 50%; background: var(--accent); color: var(--text-dark); border: none; font-size: 1.1rem; display: flex; align-items: center; justify-content: center; opacity: 0; visibility: hidden; transition: var(--transition); z-index: 999; cursor: pointer; box-shadow: var(--shadow-md); }
        .scroll-top.show { opacity: 1; visibility: visible; }
        .scroll-top:hover { background: var(--accent-hover); transform: translateY(-3px); }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a1a2e;
            --primary-light: #2d2d44;
            --accent: #c9a84c;
            --accent-hover: #dbb95a;
            --accent-light: rgba(201, 168, 76, 0.12);
            --bg-body: #f8f7f4;
            --bg-white: #ffffff;
            --bg-dark: #0f0f1a;
            --bg-card: #ffffff;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-muted: #8a8a9a;
            --text-light: #b0b0c0;
            --text-white: #f0efe8;
            --border-color: #e4e2dc;
            --border-light: #f0eee8;
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.04);
            --shadow-md: 0 8px 30px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 20px 50px rgba(0, 0, 0, 0.08);
            --shadow-accent: 0 8px 30px rgba(201, 168, 76, 0.20);
            --transition: all 0.30s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --container-max: 1200px;
            --header-height: 72px;
        }

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

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

        body {
            font-family: var(--font-sans);
            color: var(--text-primary);
            background-color: var(--bg-body);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            padding-top: var(--header-height);
        }

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

        a {
            color: var(--primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-hover);
        }

        button,
        input,
        textarea {
            font-family: inherit;
        }

        ul {
            padding: 0;
            margin: 0;
            list-style: none;
        }

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

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 600;
            line-height: 1.3;
            color: var(--text-primary);
            margin-top: 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 0.5rem;
        }

        .section-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 600px;
            margin: 0 auto 2.5rem auto;
            text-align: center;
        }

        .text-accent {
            color: var(--accent);
        }

        /* ===== Buttons ===== */
        .btn-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 500;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }

        .btn-primary-custom {
            background: var(--accent);
            color: var(--primary);
            box-shadow: var(--shadow-accent);
        }
        .btn-primary-custom:hover {
            background: var(--accent-hover);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(201, 168, 76, 0.30);
        }
        .btn-primary-custom:active {
            transform: translateY(0);
        }
        .btn-primary-custom:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-outline-custom {
            background: transparent;
            color: var(--text-primary);
            border: 1.5px solid var(--border-color);
        }
        .btn-outline-custom:hover {
            border-color: var(--accent);
            color: var(--accent);
            background: var(--accent-light);
            transform: translateY(-2px);
        }
        .btn-outline-custom:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 2px;
        }

        .btn-light-custom {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.20);
        }
        .btn-light-custom:hover {
            background: rgba(255, 255, 255, 0.20);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.35);
            transform: translateY(-2px);
        }

        /* ===== Badge / Tag ===== */
        .badge-tag {
            display: inline-block;
            padding: 4px 14px;
            background: var(--accent-light);
            color: var(--accent);
            border-radius: 50px;
            font-size: 0.80rem;
            font-weight: 500;
            letter-spacing: 0.3px;
            border: 1px solid rgba(201, 168, 76, 0.20);
        }

        .badge-soft {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(26, 26, 46, 0.05);
            color: var(--text-secondary);
            border-radius: 50px;
            font-size: 0.80rem;
            font-weight: 500;
        }

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
            transition: var(--transition);
        }

        .site-header .navbar {
            padding: 0;
            width: 100%;
        }

        .navbar-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--primary) !important;
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 0;
        }
        .navbar-brand span {
            color: var(--accent);
            margin-left: 2px;
        }
        .navbar-brand:hover {
            color: var(--primary) !important;
        }

        .navbar-nav .nav-link {
            color: var(--text-secondary) !important;
            font-weight: 500;
            font-size: 0.92rem;
            padding: 8px 16px !important;
            border-radius: 8px;
            transition: var(--transition);
            position: relative;
        }
        .navbar-nav .nav-link:hover {
            color: var(--primary) !important;
            background: rgba(26, 26, 46, 0.04);
        }
        .navbar-nav .nav-link.active {
            color: var(--accent) !important;
            background: var(--accent-light);
        }
        .navbar-nav .nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 16px;
            right: 16px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }

        .navbar-toggler {
            border: none;
            padding: 0;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: transparent;
        }
        .navbar-toggler:focus {
            box-shadow: none;
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .navbar-toggler-icon {
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            display: block;
            position: relative;
            transition: var(--transition);
        }
        .navbar-toggler-icon::before,
        .navbar-toggler-icon::after {
            content: '';
            width: 22px;
            height: 2px;
            background: var(--text-primary);
            position: absolute;
            left: 0;
            transition: var(--transition);
        }
        .navbar-toggler-icon::before {
            top: -7px;
        }
        .navbar-toggler-icon::after {
            top: 7px;
        }

        /* ===== Hero / Banner (内页) ===== */
        .page-hero {
            position: relative;
            padding: 100px 0 80px;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            min-height: 320px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.88) 0%, rgba(15, 15, 26, 0.60) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .page-hero h1 span {
            color: var(--accent);
        }
        .page-hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            margin: 0 auto 24px;
        }
        .page-hero .breadcrumb-custom {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 0.90rem;
            color: rgba(255, 255, 255, 0.50);
            margin-bottom: 20px;
        }
        .page-hero .breadcrumb-custom a {
            color: rgba(255, 255, 255, 0.70);
        }
        .page-hero .breadcrumb-custom a:hover {
            color: var(--accent);
        }
        .page-hero .breadcrumb-custom span {
            color: var(--accent);
        }

        /* ===== Section Spacing ===== */
        .section-padding {
            padding: 90px 0;
        }

        .section-padding-sm {
            padding: 60px 0;
        }

        /* ===== Cards ===== */
        .card-guide {
            background: var(--bg-card);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            height: 100%;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
        }
        .card-guide:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(201, 168, 76, 0.25);
        }
        .card-guide .card-img-top {
            height: 200px;
            object-fit: cover;
            border-bottom: 1px solid var(--border-light);
        }
        .card-guide .card-body {
            padding: 28px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-guide .card-body .badge-tag {
            align-self: flex-start;
            margin-bottom: 12px;
        }
        .card-guide .card-body h3 {
            font-size: 1.25rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .card-guide .card-body p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            flex: 1;
            margin-bottom: 16px;
        }
        .card-guide .card-body .card-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border-light);
            padding-top: 16px;
            margin-top: auto;
        }
        .card-guide .card-body .card-meta a {
            color: var(--accent);
            font-weight: 500;
        }
        .card-guide .card-body .card-meta a:hover {
            color: var(--accent-hover);
        }

        /* ===== Featured Article (图文区块) ===== */
        .featured-block {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .featured-block:hover {
            box-shadow: var(--shadow-lg);
        }
        .featured-block .row {
            align-items: center;
        }
        .featured-block .featured-img {
            height: 100%;
            min-height: 340px;
            object-fit: cover;
            width: 100%;
        }
        .featured-block .featured-content {
            padding: 48px 40px;
        }
        .featured-block .featured-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .featured-block .featured-content p {
            color: var(--text-secondary);
            font-size: 1.05rem;
            margin-bottom: 20px;
        }

        /* ===== List / Timeline ===== */
        .guide-list {
            display: grid;
            gap: 16px;
        }
        .guide-list-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            padding: 20px 24px;
            background: var(--bg-white);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .guide-list-item:hover {
            border-color: rgba(201, 168, 76, 0.25);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }
        .guide-list-item .step-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: var(--accent-light);
            color: var(--accent);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1.1rem;
        }
        .guide-list-item .list-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            margin-bottom: 4px;
        }
        .guide-list-item .list-content p {
            color: var(--text-secondary);
            font-size: 0.92rem;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
        }
        .accordion-item {
            border: 1px solid var(--border-light) !important;
            border-radius: var(--radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: transparent;
        }
        .accordion-button {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--text-primary);
            background: transparent;
            padding: 20px 24px;
            box-shadow: none !important;
        }
        .accordion-button:not(.collapsed) {
            color: var(--accent);
            background: var(--accent-light);
        }
        .accordion-button::after {
            background-size: 16px;
            transition: var(--transition);
        }
        .accordion-button:focus {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
        }
        .accordion-body {
            padding: 8px 24px 20px;
            color: var(--text-secondary);
            font-size: 0.98rem;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 15, 26, 0.88) 0%, rgba(15, 15, 26, 0.65) 100%);
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            font-weight: 700;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.70);
            font-size: 1.1rem;
            max-width: 600px;
            margin: 16px auto 32px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }
        .site-footer .footer-brand span {
            color: var(--accent);
        }
        .site-footer p {
            font-size: 0.92rem;
            color: rgba(255, 255, 255, 0.50);
            max-width: 320px;
            line-height: 1.7;
        }
        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.50);
            font-size: 0.90rem;
            transition: var(--transition);
        }
        .site-footer ul li a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
        }
        .site-footer .footer-bottom span:last-child {
            color: rgba(255, 255, 255, 0.25);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .featured-block .featured-content {
                padding: 32px 28px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-height: 64px;
            }
            .page-hero {
                padding: 80px 0 60px;
                min-height: 260px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .section-padding {
                padding: 60px 0;
            }
            .section-padding-sm {
                padding: 40px 0;
            }
            .featured-block .featured-content {
                padding: 28px 20px;
            }
            .featured-block .featured-img {
                min-height: 220px;
            }
            .card-guide .card-img-top {
                height: 160px;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .site-footer {
                padding: 40px 0 20px;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .navbar-nav .nav-link.active::after {
                display: none;
            }
            .navbar-nav .nav-link {
                padding: 10px 16px !important;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero p {
                font-size: 0.92rem;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 1.8rem;
            }
            .card-guide .card-body {
                padding: 20px 16px;
            }
            .card-guide .card-img-top {
                height: 140px;
            }
            .guide-list-item {
                padding: 16px;
            }
            .guide-list-item .step-num {
                width: 32px;
                height: 32px;
                font-size: 0.9rem;
            }
            .btn-custom {
                padding: 10px 24px;
                font-size: 0.88rem;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .navbar-brand {
                font-size: 1.25rem;
            }
            .featured-block .featured-content h2 {
                font-size: 1.35rem;
            }
            .accordion-button {
                font-size: 0.95rem;
                padding: 16px 18px;
            }
        }

        /* ===== Extra Utilities ===== */
        .divider-accent {
            width: 48px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
            margin: 0 auto 20px;
        }

        .bg-soft-light {
            background: rgba(248, 247, 244, 0.80);
        }

        .shadow-hover:hover {
            box-shadow: var(--shadow-md);
        }

        /* 图片加载占位 */
        img {
            background: var(--border-light);
        }