/* roulang page: index */
/* ===== Design Variables ===== */
:root {
  --primary: #0a1628;
  --primary-light: #142a4a;
  --primary-dark: #060e1a;
  --accent: #c9a84c;
  --accent-light: #e0c56a;
  --accent-dark: #a88a2e;
  --bg: #f8f6f2;
  --bg-white: #ffffff;
  --bg-dark: #0d1b2a;
  --bg-card: #ffffff;
  --text: #1a1a2e;
  --text-light: #6b7280;
  --text-lighter: #9ca3af;
  --text-white: #ffffff;
  --border: #e5e7eb;
  --border-light: #f0f0f0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.08);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
  --shadow-accent: 0 4px 24px rgba(201,168,76,0.3);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  --max-width: 1200px;
  --header-height: 72px;
  --nav-gap: 32px;
}
/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body { font-family: var(--font); font-size: 16px; line-height: 1.6; color: var(--text); background: var(--bg); }
a { text-decoration: none; color: inherit; transition: color var(--transition); }
a:hover { color: var(--accent); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
button { cursor: pointer; background: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--primary); }
h1 { font-size: clamp(2rem, 5vw, 3.2rem); }
h2 { font-size: clamp(1.5rem, 3.5vw, 2.2rem); }
h3 { font-size: clamp(1.1rem, 2vw, 1.4rem); }
p { margin-bottom: 0.8rem; color: var(--text); }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { margin-bottom: 12px; }
.section-title p { color: var(--text-light); font-size: 1.05rem; max-width: 600px; margin: 0 auto; }
.section-divider { width: 60px; height: 3px; background: var(--accent); margin: 16px auto 0; border-radius: 4px; }
/* ===== Header & Navigation ===== */
.site-header { position: fixed; top: 0; left: 0; right: 0; height: var(--header-height); background: rgba(255,255,255,0.95); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); z-index: 1000; transition: box-shadow var(--transition); }
.site-header.scrolled { box-shadow: var(--shadow); }
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
.logo { font-size: 1.35rem; font-weight: 800; color: var(--primary); letter-spacing: 0.5px; display: flex; align-items: center; gap: 8px; }
.logo i { color: var(--accent); font-size: 1.2rem; }
.logo span { background: linear-gradient(135deg, var(--primary) 40%, var(--accent) 100%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.nav-list { display: flex; align-items: center; gap: var(--nav-gap); }
.nav-list a { font-size: 0.95rem; font-weight: 500; color: var(--text-light); padding: 6px 0; position: relative; transition: color var(--transition); }
.nav-list a:hover { color: var(--primary); }
.nav-list a.active { color: var(--primary); }
.nav-list a.active::after { content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 2px; background: var(--accent); border-radius: 2px; }
.nav-cta { display: inline-flex; align-items: center; gap: 8px; padding: 10px 24px; background: var(--accent); color: var(--primary-dark) !important; border-radius: 50px; font-weight: 600; font-size: 0.9rem; transition: all var(--transition); }
.nav-cta:hover { background: var(--accent-light); transform: translateY(-1px); box-shadow: var(--shadow-accent); color: var(--primary-dark) !important; }
.nav-cta i { font-size: 0.85rem; }
.mobile-toggle { display: none; flex-direction: column; gap: 5px; padding: 4px; cursor: pointer; }
.mobile-toggle span { display: block; width: 24px; height: 2px; background: var(--primary); border-radius: 2px; transition: all var(--transition); }
.mobile-toggle.active span:nth-child(1) { transform: rotate(45deg) translate(5px, 5px); }
.mobile-toggle.active span:nth-child(2) { opacity: 0; }
.mobile-toggle.active span:nth-child(3) { transform: rotate(-45deg) translate(5px, -5px); }
/* ===== Hero Section ===== */
.hero { padding-top: calc(var(--header-height) + 40px); min-height: 85vh; display: flex; align-items: center; position: relative; overflow: hidden; background: var(--primary); }
.hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat; opacity: 0.25; z-index: 0; }
.hero-bg::after { content: ''; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(10,22,40,0.92) 40%, rgba(10,22,40,0.7) 100%); }
.hero-content { position: relative; z-index: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; padding: 60px 0; }
.hero-text h1 { color: var(--text-white); margin-bottom: 20px; }
.hero-text h1 .highlight { color: var(--accent); }
.hero-text p { color: rgba(255,255,255,0.75); font-size: 1.1rem; max-width: 540px; line-height: 1.8; margin-bottom: 32px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; margin-bottom: 28px; }
.hero-badge { display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px; background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); border-radius: 50px; color: rgba(255,255,255,0.85); font-size: 0.85rem; backdrop-filter: blur(4px); }
.hero-badge i { color: var(--accent); font-size: 0.8rem; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 32px; border-radius: 50px; font-weight: 600; font-size: 1rem; transition: all var(--transition); border: none; cursor: pointer; }
.btn-primary { background: var(--accent); color: var(--primary-dark); }
.btn-primary:hover { background: var(--accent-light); transform: translateY(-2px); box-shadow: var(--shadow-accent); color: var(--primary-dark); }
.btn-outline { background: transparent; color: var(--text-white); border: 1.5px solid rgba(255,255,255,0.25); }
.btn-outline:hover { background: rgba(255,255,255,0.08); border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }
.hero-visual { display: flex; justify-content: center; align-items: center; position: relative; }
.hero-card { background: rgba(255,255,255,0.05); backdrop-filter: blur(12px); border: 1px solid rgba(255,255,255,0.1); border-radius: var(--radius-lg); padding: 40px 32px; width: 100%; max-width: 420px; text-align: center; }
.hero-card-icon { width: 72px; height: 72px; background: linear-gradient(135deg, var(--accent), var(--accent-light)); border-radius: 50%; display: flex; align-items: center; justify-content: center; margin: 0 auto 20px; font-size: 2rem; color: var(--primary-dark); }
.hero-card h3 { color: var(--text-white); font-size: 1.3rem; margin-bottom: 8px; }
.hero-card p { color: rgba(255,255,255,0.6); font-size: 0.9rem; margin-bottom: 20px; }
.hero-card .btn { width: 100%; justify-content: center; }
.hero-stats { display: flex; justify-content: center; gap: 32px; margin-top: 24px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08); }
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 1.6rem; font-weight: 800; color: var(--accent); }
.hero-stat .label { font-size: 0.8rem; color: rgba(255,255,255,0.5); margin-top: 2px; }
/* ===== Intro Section ===== */
.intro-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.intro-card { background: var(--bg-white); border-radius: var(--radius); padding: 36px 28px; box-shadow: var(--shadow); border: 1px solid var(--border-light); transition: all var(--transition); text-align: center; }
.intro-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.intro-card .icon { width: 56px; height: 56px; background: rgba(201,168,76,0.12); border-radius: 16px; display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; font-size: 1.5rem; color: var(--accent); }
.intro-card h3 { margin-bottom: 10px; }
.intro-card p { color: var(--text-light); font-size: 0.92rem; }
/* ===== Category Section ===== */
.category-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.category-card { position: relative; border-radius: var(--radius); overflow: hidden; height: 320px; display: flex; align-items: flex-end; box-shadow: var(--shadow); transition: all var(--transition); }
.category-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.category-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; transition: transform 0.6s ease; }
.category-card:hover img { transform: scale(1.05); }
.category-card .overlay { position: absolute; inset: 0; background: linear-gradient(0deg, rgba(10,22,40,0.85) 0%, rgba(10,22,40,0.1) 60%, transparent 100%); z-index: 1; }
.category-card .info { position: relative; z-index: 2; padding: 32px 28px; width: 100%; }
.category-card .info h3 { color: var(--text-white); font-size: 1.3rem; margin-bottom: 6px; }
.category-card .info p { color: rgba(255,255,255,0.7); font-size: 0.9rem; margin-bottom: 14px; }
.category-card .info .tag { display: inline-flex; align-items: center; gap: 6px; padding: 6px 16px; background: var(--accent); color: var(--primary-dark); border-radius: 50px; font-size: 0.82rem; font-weight: 600; transition: all var(--transition); }
.category-card .info .tag i { font-size: 0.75rem; }
.category-card .info .tag:hover { background: var(--accent-light); transform: translateY(-1px); }
/* ===== CMS Posts Section ===== */
.posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.post-card { background: var(--bg-white); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); border: 1px solid var(--border-light); transition: all var(--transition); display: flex; flex-direction: column; }
.post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); }
.post-card .thumb { width: 100%; height: 200px; object-fit: cover; background: var(--primary-light); }
.post-card .body { padding: 24px; flex: 1; display: flex; flex-direction: column; }
.post-card .body .cat { display: inline-block; padding: 4px 12px; background: rgba(201,168,76,0.12); color: var(--accent-dark); border-radius: 50px; font-size: 0.78rem; font-weight: 600; margin-bottom: 12px; width: fit-content; }
.post-card .body h3 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-card .body h3 a { color: var(--primary); }
.post-card .body h3 a:hover { color: var(--accent); }
.post-card .body .excerpt { color: var(--text-light); font-size: 0.88rem; line-height: 1.6; flex: 1; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 16px; }
.post-card .body .meta { display: flex; align-items: center; gap: 16px; font-size: 0.82rem; color: var(--text-lighter); border-top: 1px solid var(--border-light); padding-top: 14px; }
.post-card .body .meta i { margin-right: 4px; }
.posts-empty { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--text-light); background: var(--bg-white); border-radius: var(--radius); box-shadow: var(--shadow); }
.posts-empty i { font-size: 3rem; color: var(--text-lighter); margin-bottom: 16px; display: block; }
/* ===== Stats Section ===== */
.stats-section { background: var(--primary); position: relative; overflow: hidden; }
.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: 28px; position: relative; z-index: 1; }
.stat-item { text-align: center; padding: 32px 16px; background: rgba(255,255,255,0.04); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.06); backdrop-filter: blur(4px); }
.stat-item .num { font-size: 2.6rem; font-weight: 800; color: var(--accent); line-height: 1; margin-bottom: 8px; }
.stat-item .label { color: rgba(255,255,255,0.6); font-size: 0.95rem; }
.stat-item .label i { margin-right: 6px; color: var(--accent); }
/* ===== Process Section ===== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; counter-reset: step; }
.process-step { text-align: center; position: relative; padding: 32px 20px; background: var(--bg-white); border-radius: var(--radius); box-shadow: var(--shadow); border: 1px solid var(--border-light); transition: all var(--transition); }
.process-step:hover { transform: translateY(-3px); box-shadow: var(--shadow-md); }
.process-step::before { counter-increment: step; content: counter(step); position: absolute; top: -12px; left: 50%; transform: translateX(-50%); width: 32px; height: 32px; background: var(--accent); color: var(--primary-dark); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-weight: 800; font-size: 0.85rem; box-shadow: 0 2px 12px rgba(201,168,76,0.3); }
.process-step .icon { width: 52px; height: 52px; background: rgba(201,168,76,0.1); border-radius: 14px; display: flex; align-items: center; justify-content: center; margin: 8px auto 16px; font-size: 1.4rem; color: var(--accent); }
.process-step h3 { font-size: 1.05rem; margin-bottom: 8px; }
.process-step p { color: var(--text-light); font-size: 0.88rem; margin: 0; }
.process-step .arrow { display: none; }
/* ===== FAQ Section ===== */
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border-radius: var(--radius); margin-bottom: 12px; box-shadow: var(--shadow); border: 1px solid var(--border-light); overflow: hidden; transition: all var(--transition); }
.faq-item:hover { box-shadow: var(--shadow-md); }
.faq-question { padding: 20px 28px; display: flex; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 600; font-size: 1rem; color: var(--primary); transition: color var(--transition); }
.faq-question i { color: var(--accent); transition: transform var(--transition); font-size: 0.9rem; }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease; padding: 0 28px; }
.faq-item.active .faq-answer { max-height: 300px; padding: 0 28px 20px; }
.faq-answer p { color: var(--text-light); font-size: 0.92rem; line-height: 1.7; margin: 0; }
/* ===== CTA Section ===== */
.cta-section { background: var(--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: 0.1; }
.cta-content { position: relative; z-index: 1; text-align: center; padding: 20px 0; }
.cta-content h2 { color: var(--text-white); margin-bottom: 16px; }
.cta-content p { color: rgba(255,255,255,0.7); font-size: 1.05rem; max-width: 560px; margin: 0 auto 32px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
/* ===== Footer ===== */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.6); padding: 48px 0 28px; }
.footer-inner { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; margin-bottom: 32px; }
.footer-brand .logo { color: var(--text-white); margin-bottom: 14px; }
.footer-brand .logo span { -webkit-text-fill-color: var(--text-white); background: none; }
.footer-brand p { font-size: 0.88rem; color: rgba(255,255,255,0.45); max-width: 300px; line-height: 1.7; }
.footer-col h4 { color: var(--text-white); font-size: 0.95rem; margin-bottom: 18px; font-weight: 600; }
.footer-col a { display: block; font-size: 0.88rem; color: rgba(255,255,255,0.5); margin-bottom: 10px; transition: color var(--transition); }
.footer-col a:hover { color: var(--accent); }
.footer-col a i { margin-right: 8px; font-size: 0.8rem; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.06); padding-top: 20px; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 12px; font-size: 0.82rem; color: rgba(255,255,255,0.35); }
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--accent); }
/* ===== Back to Top ===== */
.back-top { position: fixed; bottom: 32px; right: 32px; width: 48px; height: 48px; background: var(--accent); color: var(--primary-dark); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 1.2rem; box-shadow: var(--shadow-lg); opacity: 0; visibility: hidden; transition: all var(--transition); z-index: 999; }
.back-top.visible { opacity: 1; visibility: visible; }
.back-top:hover { transform: translateY(-3px); background: var(--accent-light); }
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-content { grid-template-columns: 1fr; gap: 40px; text-align: center; }
  .hero-text p { margin-left: auto; margin-right: auto; }
  .hero-badges { justify-content: center; }
  .hero-actions { justify-content: center; }
  .hero-card { margin: 0 auto; }
  .intro-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: 1fr; }
  .posts-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-inner { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .nav-list { position: fixed; top: var(--header-height); left: 0; right: 0; bottom: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 40px 24px; gap: 24px; transform: translateX(100%); transition: transform 0.4s cubic-bezier(0.4,0,0.2,1); overflow-y: auto; }
  .nav-list.open { transform: translateX(0); }
  .nav-list a { font-size: 1.1rem; padding: 8px 0; }
  .nav-list a.active::after { bottom: 0; }
  .nav-cta { width: 100%; justify-content: center; margin-top: 8px; }
  .mobile-toggle { display: flex; }
  .hero { min-height: auto; padding-top: calc(var(--header-height) + 20px); }
  .hero-content { padding: 32px 0; }
  .hero-card { padding: 28px 20px; }
  .hero-stats { gap: 20px; flex-wrap: wrap; }
  .intro-grid { grid-template-columns: 1fr; }
  .category-card { height: 240px; }
  .posts-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .stat-item { padding: 24px 12px; }
  .stat-item .num { font-size: 2rem; }
  .process-grid { grid-template-columns: 1fr; gap: 20px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; max-width: 320px; justify-content: center; }
  .footer-inner { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .back-top { bottom: 20px; right: 20px; width: 42px; height: 42px; font-size: 1rem; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .header-inner { padding: 0 16px; }
  .hero-badges { gap: 8px; }
  .hero-badge { font-size: 0.78rem; padding: 4px 12px; }
  .btn { padding: 12px 24px; font-size: 0.9rem; }
  .hero-stats .num { font-size: 1.3rem; }
  .hero-stats .label { font-size: 0.72rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a3a5c;
            --primary-light: #2a5a8c;
            --primary-dark: #0f2440;
            --accent: #e8b84b;
            --accent-light: #f0d08a;
            --accent-dark: #c99a2e;
            --bg-body: #f8f7f4;
            --bg-white: #ffffff;
            --bg-light: #f0efe9;
            --bg-dark: #1a2a3a;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a5a;
            --text-muted: #8a8a9a;
            --text-light: #f0f0f0;
            --border-color: #e0ddd5;
            --border-light: #f0eee8;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 6px 24px rgba(0,0,0,0.07);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.10);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.14);
            --transition: all 0.30s cubic-bezier(0.4,0,0.2,1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --font-serif: 'Georgia', 'Times New Roman', serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-primary);
            background: var(--bg-body);
        }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
        a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--accent); }
        button { cursor: pointer; font-family: inherit; border: none; background: none; transition: var(--transition); }
        input, textarea { font-family: inherit; font-size: 1rem; border: 1px solid var(--border-color); border-radius: var(--radius-sm); padding: 10px 16px; background: var(--bg-white); color: var(--text-primary); transition: var(--transition); outline: none; }
        input:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(232,184,75,0.15); }
        ul { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: 2.4rem; letter-spacing: -0.02em; }
        h2 { font-size: 2.0rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.4rem; }
        h4 { font-size: 1.15rem; }
        p { margin-bottom: 1em; color: var(--text-secondary); }
        .container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .section { padding: 80px 0; }
        .section-title { text-align: center; margin-bottom: 16px; font-size: 2.0rem; position: relative; }
        .section-subtitle { text-align: center; color: var(--text-muted); max-width: 640px; margin: 0 auto 48px; font-size: 1.05rem; }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky; top: 0; z-index: 1000;
            background: rgba(255,255,255,0.92); 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 .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(--primary); text-decoration: none;
        }
        .logo i { color: var(--accent); font-size: 1.5rem; }
        .logo span { background: linear-gradient(135deg, var(--primary), var(--primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .logo:hover { opacity: 0.85; }

        .nav-list { display: flex; align-items: center; gap: 6px; }
        .nav-list a {
            padding: 8px 20px; border-radius: 40px;
            font-size: 0.92rem; font-weight: 500; color: var(--text-secondary);
            text-decoration: none; transition: var(--transition);
            position: relative;
        }
        .nav-list a:hover { color: var(--primary); background: rgba(26,58,92,0.06); }
        .nav-list a.active { color: var(--primary); background: rgba(26,58,92,0.08); font-weight: 600; }
        .nav-list a.active::after { display: none; }
        .nav-list a.nav-cta {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #1a1a2e; font-weight: 600; padding: 8px 24px;
            border-radius: 40px; box-shadow: 0 4px 14px rgba(232,184,75,0.30);
        }
        .nav-list a.nav-cta i { margin-right: 6px; font-size: 0.8rem; }
        .nav-list a.nav-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(232,184,75,0.40); background: linear-gradient(135deg, var(--accent-light), var(--accent)); color: #1a1a2e; }

        .nav-toggle { display: none; font-size: 1.5rem; color: var(--primary); background: none; border: none; padding: 6px 10px; border-radius: var(--radius-sm); }
        .nav-toggle:hover { background: rgba(26,58,92,0.06); }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative; padding: 60px 0 48px;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            overflow: hidden;
        }
        .article-hero::before {
            content: ''; position: absolute; inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12; pointer-events: none;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-hero .breadcrumb {
            display: flex; align-items: center; gap: 8px;
            font-size: 0.85rem; color: rgba(255,255,255,0.65); margin-bottom: 20px;
        }
        .article-hero .breadcrumb a { color: rgba(255,255,255,0.75); }
        .article-hero .breadcrumb a:hover { color: var(--accent); }
        .article-hero .breadcrumb span { color: rgba(255,255,255,0.5); }
        .article-hero h1 {
            color: #fff; font-size: 2.6rem; line-height: 1.25;
            max-width: 840px; margin-bottom: 16px;
        }
        .article-hero .meta {
            display: flex; flex-wrap: wrap; gap: 16px 28px;
            color: rgba(255,255,255,0.75); font-size: 0.92rem;
        }
        .article-hero .meta i { margin-right: 6px; color: var(--accent); }
        .article-hero .meta .category-tag {
            display: inline-block; padding: 4px 16px; border-radius: 40px;
            background: rgba(232,184,75,0.20); color: var(--accent-light);
            font-size: 0.82rem; font-weight: 500;
        }

        /* ===== Article Body ===== */
        .article-body { padding: 60px 0 80px; }
        .article-layout { display: grid; grid-template-columns: 1fr 320px; gap: 48px; align-items: start; }

        .article-main { background: var(--bg-white); border-radius: var(--radius-lg); padding: 48px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light); }
        .article-main .content { font-size: 1.05rem; line-height: 1.85; color: var(--text-secondary); }
        .article-main .content p { margin-bottom: 1.4em; }
        .article-main .content h2, .article-main .content h3 { margin-top: 2em; margin-bottom: 0.8em; color: var(--text-primary); }
        .article-main .content ul, .article-main .content ol { padding-left: 24px; margin-bottom: 1.4em; }
        .article-main .content li { margin-bottom: 0.5em; }
        .article-main .content img { margin: 24px 0; border-radius: var(--radius-md); box-shadow: var(--shadow-sm); }
        .article-main .content a { color: var(--primary-light); border-bottom: 1px solid transparent; }
        .article-main .content a:hover { border-bottom-color: var(--accent); color: var(--accent); }
        .article-main .content blockquote {
            border-left: 4px solid var(--accent); background: var(--bg-light);
            padding: 16px 24px; margin: 24px 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary); font-style: italic;
        }
        .article-main .content code {
            background: var(--bg-light); padding: 2px 10px; border-radius: 4px;
            font-size: 0.9em; font-family: 'SF Mono', 'Fira Code', monospace;
        }

        .article-footer-bar {
            display: flex; justify-content: space-between; align-items: center;
            flex-wrap: wrap; gap: 16px; margin-top: 48px; padding-top: 32px;
            border-top: 1px solid var(--border-light);
        }
        .article-footer-bar .tags { display: flex; flex-wrap: wrap; gap: 8px; }
        .article-footer-bar .tags span {
            display: inline-block; padding: 4px 16px; border-radius: 40px;
            background: var(--bg-light); color: var(--text-secondary);
            font-size: 0.82rem; transition: var(--transition);
        }
        .article-footer-bar .tags span:hover { background: var(--accent); color: #1a1a2e; }
        .article-footer-bar .share { display: flex; align-items: center; gap: 10px; }
        .article-footer-bar .share a {
            width: 40px; height: 40px; display: flex; align-items: center; justify-content: center;
            border-radius: 50%; background: var(--bg-light); color: var(--text-secondary);
            font-size: 1rem; transition: var(--transition);
        }
        .article-footer-bar .share a:hover { background: var(--accent); color: #1a1a2e; transform: translateY(-3px); }

        /* ===== Sidebar ===== */
        .article-sidebar { display: flex; flex-direction: column; gap: 32px; }
        .sidebar-card {
            background: var(--bg-white); border-radius: var(--radius-md);
            padding: 28px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
        }
        .sidebar-card h4 { font-size: 1.05rem; margin-bottom: 16px; padding-bottom: 12px; border-bottom: 2px solid var(--accent); display: flex; align-items: center; gap: 8px; }
        .sidebar-card h4 i { color: var(--accent); }
        .sidebar-card ul { display: flex; flex-direction: column; gap: 2px; }
        .sidebar-card ul li { padding: 8px 0; border-bottom: 1px solid var(--border-light); }
        .sidebar-card ul li:last-child { border-bottom: none; }
        .sidebar-card ul li a { font-size: 0.92rem; color: var(--text-secondary); display: flex; align-items: center; gap: 8px; }
        .sidebar-card ul li a::before { content: '›'; font-weight: 700; color: var(--accent); font-size: 1.1rem; }
        .sidebar-card ul li a:hover { color: var(--primary); transform: translateX(4px); }

        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            border-radius: var(--radius-md); padding: 32px 28px; text-align: center;
            color: #fff; border: none;
        }
        .sidebar-cta h4 { color: #fff; border-bottom-color: rgba(255,255,255,0.2); }
        .sidebar-cta p { color: rgba(255,255,255,0.8); font-size: 0.92rem; margin-bottom: 20px; }
        .sidebar-cta .btn-accent {
            display: inline-block; padding: 12px 32px; border-radius: 40px;
            background: var(--accent); color: #1a1a2e; font-weight: 600;
            transition: var(--transition); box-shadow: 0 4px 16px rgba(232,184,75,0.30);
        }
        .sidebar-cta .btn-accent:hover { transform: translateY(-3px); box-shadow: 0 8px 28px rgba(232,184,75,0.45); background: var(--accent-light); }

        /* ===== Related Posts ===== */
        .related-section { background: var(--bg-light); padding: 64px 0; }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .related-card {
            background: var(--bg-white); border-radius: var(--radius-md);
            overflow: hidden; box-shadow: var(--shadow-sm);
            transition: var(--transition); border: 1px solid var(--border-light);
        }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-md); }
        .related-card .card-img { height: 180px; background: var(--bg-light); overflow: hidden; }
        .related-card .card-img img { width: 100%; height: 100%; object-fit: cover; border-radius: 0; }
        .related-card .card-body { padding: 20px 24px 24px; }
        .related-card .card-body .cat { font-size: 0.78rem; color: var(--accent-dark); font-weight: 600; text-transform: uppercase; letter-spacing: 0.5px; margin-bottom: 6px; }
        .related-card .card-body h3 { font-size: 1.05rem; margin-bottom: 8px; }
        .related-card .card-body h3 a { color: var(--text-primary); }
        .related-card .card-body h3 a:hover { color: var(--primary-light); }
        .related-card .card-body p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 0; }
        .related-card .card-body .date { font-size: 0.80rem; color: var(--text-muted); margin-top: 12px; display: flex; align-items: center; gap: 6px; }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0; background: linear-gradient(135deg, var(--primary-dark), var(--primary));
            text-align: center; 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: 0.08; pointer-events: none;
        }
        .cta-section .container { position: relative; z-index: 2; }
        .cta-section h2 { color: #fff; font-size: 2.2rem; margin-bottom: 16px; }
        .cta-section p { color: rgba(255,255,255,0.8); max-width: 600px; margin: 0 auto 32px; font-size: 1.1rem; }
        .cta-section .btn-group { display: flex; flex-wrap: wrap; gap: 16px; justify-content: center; }
        .cta-section .btn-accent {
            display: inline-block; padding: 14px 40px; border-radius: 40px;
            background: var(--accent); color: #1a1a2e; font-weight: 600; font-size: 1.05rem;
            transition: var(--transition); box-shadow: 0 6px 24px rgba(232,184,75,0.30);
        }
        .cta-section .btn-accent i { margin-right: 8px; }
        .cta-section .btn-accent:hover { transform: translateY(-4px); box-shadow: 0 12px 36px rgba(232,184,75,0.40); background: var(--accent-light); }
        .cta-section .btn-outline {
            display: inline-block; padding: 14px 40px; border-radius: 40px;
            border: 2px solid rgba(255,255,255,0.3); color: #fff; font-weight: 500;
            transition: var(--transition); background: transparent;
        }
        .cta-section .btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(232,184,75,0.08); }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark); color: rgba(255,255,255,0.8);
            padding: 60px 0 0;
        }
        .site-footer .footer-inner {
            display: grid; grid-template-columns: 1.6fr 1fr 1fr 1fr; gap: 40px;
            padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .site-footer .footer-brand .logo { color: #fff; font-size: 1.3rem; margin-bottom: 16px; display: inline-flex; }
        .site-footer .footer-brand .logo span { -webkit-text-fill-color: #fff; background: none; }
        .site-footer .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.6); max-width: 320px; line-height: 1.7; }
        .site-footer .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 18px; position: relative; padding-bottom: 10px; }
        .site-footer .footer-col h4::after { content: ''; position: absolute; bottom: 0; left: 0; width: 32px; height: 2px; background: var(--accent); border-radius: 2px; }
        .site-footer .footer-col a { display: flex; align-items: center; gap: 8px; color: rgba(255,255,255,0.6); font-size: 0.9rem; padding: 6px 0; transition: var(--transition); }
        .site-footer .footer-col a i { font-size: 0.7rem; color: var(--accent); width: 16px; }
        .site-footer .footer-col a:hover { color: var(--accent); transform: translateX(6px); }
        .site-footer .footer-bottom {
            display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center;
            padding: 24px 0; font-size: 0.82rem; color: rgba(255,255,255,0.4);
            gap: 12px;
        }

        /* ===== Not Found State ===== */
        .not-found-state { text-align: center; padding: 80px 24px; }
        .not-found-state i { font-size: 4rem; color: var(--text-muted); margin-bottom: 24px; }
        .not-found-state h2 { font-size: 1.8rem; margin-bottom: 12px; }
        .not-found-state p { color: var(--text-muted); margin-bottom: 24px; }
        .not-found-state .btn-back { display: inline-block; padding: 12px 32px; border-radius: 40px; background: var(--primary); color: #fff; font-weight: 500; transition: var(--transition); }
        .not-found-state .btn-back:hover { background: var(--primary-light); transform: translateY(-3px); box-shadow: var(--shadow-md); }

        /* ===== JSON-LD hidden ===== */
        .json-ld-hidden { display: none; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
            .related-grid { grid-template-columns: repeat(2, 1fr); }
        }

        @media (max-width: 768px) {
            .section { padding: 48px 0; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.5rem; }
            .section-title { font-size: 1.5rem; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-main { padding: 28px; }
            .article-sidebar { grid-template-columns: 1fr; }

            .nav-list { display: none; }
            .nav-list.open { display: flex; flex-direction: column; position: absolute; top: var(--header-height); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(16px); padding: 16px 24px; border-bottom: 1px solid var(--border-light); box-shadow: var(--shadow-md); gap: 4px; }
            .nav-list.open a { width: 100%; padding: 12px 20px; }
            .nav-list.open a.nav-cta { text-align: center; margin-top: 8px; }
            .nav-toggle { display: block; }

            .related-grid { grid-template-columns: 1fr; }
            .site-footer .footer-inner { grid-template-columns: 1fr 1fr; gap: 32px; }
            .site-footer .footer-bottom { flex-direction: column; text-align: center; }
            .article-hero .meta { flex-direction: column; gap: 8px; }
        }

        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-main { padding: 20px; border-radius: var(--radius-md); }
            .article-hero { padding: 40px 0 32px; }
            .article-hero h1 { font-size: 1.5rem; }
            .site-footer .footer-inner { grid-template-columns: 1fr; gap: 24px; }
            .cta-section h2 { font-size: 1.6rem; }
            .cta-section .btn-group { flex-direction: column; align-items: center; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4a9e;
            --primary-dark: #0f1a4a;
            --secondary: #e8b830;
            --secondary-light: #f0d060;
            --secondary-dark: #c9a020;
            --accent: #ff6b35;
            --bg-light: #f8f9fc;
            --bg-white: #ffffff;
            --bg-dark: #0f1a4a;
            --text-primary: #1a1a2e;
            --text-secondary: #4a4a6a;
            --text-muted: #8888a0;
            --text-light: #f0f0f5;
            --text-white: #ffffff;
            --border-color: #e0e0ea;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
            --shadow-md: 0 8px 30px rgba(26, 42, 108, 0.10);
            --shadow-lg: 0 20px 60px rgba(26, 42, 108, 0.15);
            --shadow-glow: 0 0 40px rgba(232, 184, 48, 0.20);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container-max: 1200px;
            --nav-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: 1.7;
            color: var(--text-primary);
            background: var(--bg-light);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }

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

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

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

        button {
            cursor: pointer;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

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

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

        /* ===== Header / Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(224, 224, 234, 0.5);
            transition: var(--transition);
        }

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

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

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: -0.5px;
            transition: var(--transition);
        }

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

        .logo:hover {
            opacity: 0.85;
        }

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

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

        .nav-list a::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%) scaleX(0);
            width: 60%;
            height: 2.5px;
            border-radius: 4px;
            background: var(--secondary);
            transition: var(--transition);
        }

        .nav-list a:hover {
            color: var(--primary);
            background: rgba(26, 42, 108, 0.05);
        }

        .nav-list a:hover::after {
            transform: translateX(-50%) scaleX(1);
        }

        .nav-list a.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-list a.active::after {
            transform: translateX(-50%) scaleX(1);
            background: var(--secondary);
        }

        .nav-list a.nav-cta {
            background: var(--primary);
            color: var(--text-white);
            border-radius: var(--radius-sm);
            padding: 8px 22px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 8px;
        }

        .nav-list a.nav-cta i {
            font-size: 0.85rem;
            transition: var(--transition);
        }

        .nav-list a.nav-cta:hover {
            background: var(--primary-light);
            transform: translateY(-1px);
            box-shadow: var(--shadow-sm);
        }

        .nav-list a.nav-cta:hover::after {
            transform: translateX(-50%) scaleX(0);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            cursor: pointer;
            background: none;
            border: none;
        }

        .nav-toggle span {
            width: 26px;
            height: 2.5px;
            background: var(--primary);
            border-radius: 4px;
            transition: var(--transition);
        }

        .nav-toggle.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .nav-toggle.active span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }

        @media (max-width: 768px) {
            .nav-toggle {
                display: flex;
            }

            .nav-list {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 30px;
                gap: 6px;
                border-bottom: 1px solid var(--border-color);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: var(--shadow-md);
            }

            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }

            .nav-list a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1.05rem;
            }

            .nav-list a::after {
                bottom: 4px;
                width: 40px;
            }

            .nav-list a.nav-cta {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
                padding: 14px 22px;
            }

            .header-inner {
                padding: 0 16px;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            margin-top: var(--nav-height);
            min-height: 320px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            position: relative;
            padding: 80px 24px 60px;
        }

        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 26, 74, 0.85) 0%, rgba(26, 42, 108, 0.75) 100%);
            z-index: 1;
        }

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

        .banner-content .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 20px;
        }

        .banner-content .breadcrumb a {
            color: rgba(255, 255, 255, 0.8);
        }

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

        .banner-content .breadcrumb span {
            color: var(--secondary);
        }

        .banner-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--text-white);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }

        .banner-content h1 i {
            color: var(--secondary);
        }

        .banner-content p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            max-width: 600px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }

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

        .banner-tags .tag {
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.12);
            backdrop-filter: blur(4px);
            color: rgba(255, 255, 255, 0.9);
            font-size: 0.85rem;
            font-weight: 500;
            border: 1px solid rgba(255, 255, 255, 0.15);
            transition: var(--transition);
        }

        .banner-tags .tag:hover {
            background: rgba(232, 184, 48, 0.25);
            border-color: var(--secondary);
            color: var(--secondary);
        }

        @media (max-width: 768px) {
            .page-banner {
                min-height: 240px;
                padding: 60px 16px 40px;
            }

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

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

        @media (max-width: 520px) {
            .banner-content h1 {
                font-size: 1.5rem;
            }
        }

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

        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }

        .section-header .subtitle {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--secondary-dark);
            background: rgba(232, 184, 48, 0.12);
            padding: 4px 16px;
            border-radius: 50px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.25;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }

        .section-header h2 i {
            color: var(--secondary);
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

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

            .section-header {
                margin-bottom: 36px;
            }

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

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

        /* ===== Step Flow ===== */
        .step-flow {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 30px;
            counter-reset: step-counter;
        }

        .step-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 36px 28px 30px;
            text-align: center;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border-color);
            position: relative;
            transition: var(--transition);
            counter-increment: step-counter;
        }

        .step-card::before {
            content: counter(step-counter);
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            width: 32px;
            height: 32px;
            border-radius: 50%;
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 12px rgba(232, 184, 48, 0.3);
        }

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

        .step-card .icon {
            font-size: 2.4rem;
            color: var(--primary);
            margin-bottom: 16px;
            display: block;
        }

        .step-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        @media (max-width: 520px) {
            .step-flow {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .step-card {
                padding: 28px 18px 22px;
            }
        }

        /* ===== Guide Detail ===== */
        .guide-detail {
            background: var(--bg-white);
        }

        .guide-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .guide-card {
            background: var(--bg-light);
            border-radius: var(--radius-md);
            padding: 32px 30px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }

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

        .guide-card .card-head {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 16px;
        }

        .guide-card .card-head i {
            font-size: 1.8rem;
            color: var(--secondary);
        }

        .guide-card .card-head h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--primary);
        }

        .guide-card ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .guide-card ul li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .guide-card ul li i {
            color: var(--secondary-dark);
            font-size: 0.8rem;
            margin-top: 5px;
            flex-shrink: 0;
        }

        @media (max-width: 768px) {
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .guide-card {
                padding: 24px 20px;
            }
        }

        /* ===== Advantage Cards ===== */
        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 30px;
        }

        .advantage-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            text-align: center;
        }

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

        .advantage-card .icon-wrap {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            background: rgba(232, 184, 48, 0.10);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
            font-size: 1.8rem;
            color: var(--secondary-dark);
            transition: var(--transition);
        }

        .advantage-card:hover .icon-wrap {
            background: rgba(232, 184, 48, 0.20);
            transform: scale(1.05);
        }

        .advantage-card h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .advantage-card p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        /* ===== Content List ===== */
        .content-list {
            background: var(--bg-light);
        }

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

        .list-item {
            display: flex;
            gap: 20px;
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px 22px;
            border: 1px solid var(--border-color);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .list-item:hover {
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
            border-color: var(--secondary-light);
        }

        .list-item .thumb {
            width: 100px;
            height: 70px;
            border-radius: var(--radius-sm);
            background: var(--bg-light);
            flex-shrink: 0;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: var(--primary-light);
        }

        .list-item .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .list-item .info {
            flex: 1;
            min-width: 0;
        }

        .list-item .info .meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-bottom: 6px;
        }

        .list-item .info .meta .badge {
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            background: rgba(232, 184, 48, 0.12);
            color: var(--secondary-dark);
        }

        .list-item .info h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .list-item .info p {
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .list-item .info a {
            color: var(--primary);
        }

        .list-item .info a:hover {
            color: var(--secondary-dark);
        }

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

            .list-item {
                padding: 16px 18px;
                gap: 14px;
            }

            .list-item .thumb {
                width: 80px;
                height: 60px;
            }
        }

        @media (max-width: 520px) {
            .list-item {
                flex-direction: column;
            }

            .list-item .thumb {
                width: 100%;
                height: 120px;
            }
        }

        /* ===== FAQ ===== */
        .faq-section {
            background: var(--bg-white);
        }

        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--secondary-dark);
            transition: var(--transition);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            padding: 0 24px;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 0.95rem;
            }

            .faq-answer {
                padding: 0 18px;
            }

            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-dark) 0%, var(--primary) 100%);
            text-align: center;
            padding: 80px 24px;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.10;
            z-index: 0;
        }

        .cta-section .container {
            position: relative;
            z-index: 1;
        }

        .cta-section h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 560px;
            margin: 0 auto 30px;
            line-height: 1.7;
        }

        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            border-radius: var(--radius-sm);
            background: var(--secondary);
            color: var(--primary-dark);
            font-weight: 700;
            font-size: 1.05rem;
            transition: var(--transition);
            box-shadow: 0 8px 30px rgba(232, 184, 48, 0.30);
        }

        .cta-section .cta-btn i {
            font-size: 0.9rem;
            transition: var(--transition);
        }

        .cta-section .cta-btn:hover {
            background: var(--secondary-light);
            transform: translateY(-2px);
            box-shadow: 0 12px 40px rgba(232, 184, 48, 0.40);
        }

        .cta-section .cta-btn:hover i {
            transform: translateX(4px);
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 56px 16px;
            }

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

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

            .cta-section .cta-btn {
                padding: 14px 30px;
                font-size: 0.95rem;
            }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            padding: 60px 0 30px;
            color: rgba(255, 255, 255, 0.75);
            flex-shrink: 0;
        }

        .footer-inner {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            color: var(--text-white);
            font-size: 1.2rem;
            margin-bottom: 12px;
            display: inline-flex;
        }

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

        .footer-brand p {
            font-size: 0.9rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }

        .footer-col a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255, 255, 255, 0.6);
            padding: 5px 0;
            transition: var(--transition);
        }

        .footer-col a i {
            font-size: 0.65rem;
            color: var(--secondary);
            transition: var(--transition);
        }

        .footer-col a:hover {
            color: var(--secondary);
        }

        .footer-col a:hover i {
            transform: translateX(4px);
        }

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

        @media (max-width: 768px) {
            .footer-inner {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

            .footer-brand {
                grid-column: 1 / -1;
            }

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

        @media (max-width: 520px) {
            .footer-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* ===== Additional Utilities ===== */
        .bg-white {
            background: var(--bg-white);
        }
        .bg-light {
            background: var(--bg-light);
        }

        .text-center {
            text-align: center;
        }

        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }

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

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

        /* ===== Responsive fine-tune ===== */
        @media (max-width: 1024px) {
            .footer-inner {
                grid-template-columns: 1.2fr 1fr 1fr;
            }
        }

        @media (max-width: 520px) {
            .step-flow {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

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

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

            .advantage-card .icon-wrap {
                width: 48px;
                height: 48px;
                font-size: 1.4rem;
            }
        }

        @media (max-width: 400px) {
            .step-flow {
                grid-template-columns: 1fr;
            }

            .advantage-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Focus & Accessibility ===== */
        a:focus-visible,
        button:focus-visible,
        .faq-question:focus-visible {
            outline: 2.5px solid var(--secondary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Smooth hover for all interactive ===== */
        .nav-list a,
        .step-card,
        .advantage-card,
        .list-item,
        .faq-item,
        .cta-btn,
        .footer-col a,
        .tag {
            will-change: transform;
        }