/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #E53E3E;
  --primary-dark: #C53030;
  --primary-light: #FC8181;
  --secondary: #FFD700;
  --secondary-dark: #DAA520;
  --bg-dark: #0A0A14;
  --bg-card: #16162A;
  --bg-card-hover: #1E1E3A;
  --bg-dock: rgba(22, 22, 42, 0.85);
  --text-primary: #FFFFFF;
  --text-secondary: #B8B8D0;
  --text-muted: #7A7A9A;
  --border-color: rgba(255, 215, 0, 0.15);
  --border-glow: rgba(229, 62, 62, 0.3);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-md: 0 8px 32px rgba(0,0,0,0.4);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.5);
  --shadow-glow: 0 0 30px rgba(229, 62, 62, 0.15);
  --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  --container-w: 1200px;
  --nav-h: 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);
  background: var(--bg-dark);
  color: var(--text-primary);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--secondary-dark); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
ul, ol { list-style: none; }
.container {
  width: 100%;
  max-width: var(--container-w);
  margin: 0 auto;
  padding: 0 24px;
}
/* ===== Typography ===== */
h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text-primary); }
h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.8rem, 4vw, 2.8rem); letter-spacing: -0.01em; margin-bottom: 16px; }
h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
p { color: var(--text-secondary); margin-bottom: 1em; }
.section-title { text-align: center; margin-bottom: 48px; }
.section-title h2 { margin-bottom: 12px; }
.section-title p { max-width: 680px; margin: 0 auto; font-size: 1.1rem; color: var(--text-muted); }
.section-subtitle { font-size: 0.85rem; text-transform: uppercase; letter-spacing: 3px; color: var(--primary); margin-bottom: 8px; font-weight: 600; }
/* ===== Floating Dock Nav ===== */
.site-header {
  position: fixed;
  top: 16px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  pointer-events: none;
  padding: 0 24px;
}
.dock-nav {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--bg-dock);
  backdrop-filter: blur(20px) saturate(1.4);
  -webkit-backdrop-filter: blur(20px) saturate(1.4);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-xl);
  padding: 0 32px;
  height: 60px;
  width: 100%;
  max-width: 960px;
  box-shadow: var(--shadow-md), var(--shadow-glow);
  transition: var(--transition);
}
.dock-nav:hover { border-color: rgba(255, 215, 0, 0.3); }
.dock-logo {
  font-size: 1.2rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.01em;
  background: linear-gradient(135deg, var(--secondary), var(--primary));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.dock-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.dock-links a {
  padding: 8px 18px;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 0.9rem;
  font-weight: 500;
  transition: var(--transition);
  position: relative;
}
.dock-links a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
.dock-links a.active {
  color: var(--text-primary);
  background: rgba(229, 62, 62, 0.2);
  box-shadow: inset 0 -2px 0 var(--primary);
}
.dock-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff !important;
  padding: 8px 22px !important;
  border-radius: var(--radius-sm) !important;
  font-weight: 600 !important;
  font-size: 0.85rem !important;
  box-shadow: 0 4px 16px rgba(229, 62, 62, 0.3);
  transition: var(--transition);
}
.dock-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(229, 62, 62, 0.4); background: linear-gradient(135deg, var(--primary-light), var(--primary)); }
.dock-toggle { display: none; background: none; color: var(--text-primary); font-size: 1.4rem; cursor: pointer; padding: 4px 8px; border-radius: var(--radius-sm); }
.dock-toggle:hover { background: rgba(255,255,255,0.06); }
/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 140px 24px 100px;
  background: linear-gradient(135deg, rgba(10,10,20,0.92), rgba(22,22,42,0.88)), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(229,62,62,0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 50%, rgba(255,215,0,0.08) 0%, transparent 60%);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 880px; }
.hero-badge {
  display: inline-block;
  background: rgba(229, 62, 62, 0.15);
  border: 1px solid rgba(229, 62, 62, 0.3);
  border-radius: var(--radius-xl);
  padding: 6px 20px;
  font-size: 0.8rem;
  color: var(--primary-light);
  letter-spacing: 1px;
  margin-bottom: 24px;
  backdrop-filter: blur(4px);
}
.hero h1 { margin-bottom: 20px; background: linear-gradient(135deg, #fff 40%, var(--secondary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
.hero p {
  font-size: clamp(1.05rem, 2vw, 1.3rem);
  color: var(--text-secondary);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: var(--radius-sm);
  font-weight: 600;
  font-size: 1rem;
  transition: var(--transition);
  cursor: pointer;
  border: none;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  box-shadow: 0 4px 20px rgba(229, 62, 62, 0.3);
}
.btn-primary:hover { transform: translateY(-3px); box-shadow: 0 8px 32px rgba(229, 62, 62, 0.45); color: #fff; }
.btn-secondary {
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.2);
  backdrop-filter: blur(4px);
}
.btn-secondary:hover { background: rgba(255,255,255,0.06); border-color: rgba(255,255,255,0.4); color: var(--text-primary); transform: translateY(-2px); }
.hero-stats {
  display: flex;
  gap: 40px;
  justify-content: center;
  margin-top: 56px;
  flex-wrap: wrap;
}
.hero-stat { text-align: center; }
.hero-stat .num { font-size: 2.2rem; font-weight: 800; color: var(--secondary); line-height: 1; }
.hero-stat .label { font-size: 0.85rem; color: var(--text-muted); margin-top: 6px; }
/* ===== Section Spacing ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-card); }
/* ===== Features / Data Cards ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  padding: 32px 28px;
  transition: var(--transition);
  text-align: center;
}
.feature-card:hover { transform: translateY(-6px); border-color: rgba(255,215,0,0.25); box-shadow: var(--shadow-md); background: var(--bg-card-hover); }
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: var(--radius-sm);
  background: rgba(229, 62, 62, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 1.8rem;
  color: var(--primary);
  transition: var(--transition);
}
.feature-card:hover .feature-icon { background: rgba(229, 62, 62, 0.2); transform: scale(1.05); }
.feature-card h3 { margin-bottom: 10px; font-size: 1.2rem; }
.feature-card p { font-size: 0.95rem; color: var(--text-muted); margin-bottom: 0; }
.feature-card .big-num {
  font-size: 2.8rem;
  font-weight: 800;
  color: var(--secondary);
  line-height: 1;
  margin-bottom: 8px;
}
/* ===== Category Cards ===== */
.category-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 24px;
}
.cat-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  transition: var(--transition);
  cursor: pointer;
}
.cat-card:hover { transform: translateY(-6px); border-color: rgba(255,215,0,0.25); box-shadow: var(--shadow-md); }
.cat-card img { width: 100%; height: 200px; object-fit: cover; transition: var(--transition); }
.cat-card:hover img { transform: scale(1.03); }
.cat-card-body { padding: 20px 24px 24px; }
.cat-card-body h3 { font-size: 1.1rem; margin-bottom: 6px; }
.cat-card-body p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0; }
.cat-card .tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-xl);
  background: rgba(229, 62, 62, 0.15);
  color: var(--primary-light);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 10px;
}
/* ===== News / Post List ===== */
.post-list { display: grid; grid-template-columns: repeat(auto-fill, minmax(320px, 1fr)); gap: 24px; }
.post-card {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: var(--transition);
}
.post-card:hover { transform: translateY(-4px); border-color: rgba(255,215,0,0.2); box-shadow: var(--shadow-md); background: var(--bg-card-hover); }
.post-card img { width: 100%; height: 180px; object-fit: cover; }
.post-card-body { padding: 20px 24px 24px; }
.post-card-body .post-meta { display: flex; gap: 12px; font-size: 0.8rem; color: var(--text-muted); margin-bottom: 10px; flex-wrap: wrap; }
.post-card-body .post-meta .cat { color: var(--primary-light); font-weight: 600; }
.post-card-body h3 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.4; }
.post-card-body h3 a { color: var(--text-primary); }
.post-card-body h3 a:hover { color: var(--secondary); }
.post-card-body p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.empty-msg { text-align: center; padding: 48px 24px; color: var(--text-muted); font-size: 1.1rem; grid-column: 1 / -1; background: var(--bg-card); border-radius: var(--radius-md); border: 1px dashed var(--border-color); }
/* ===== Process / Steps ===== */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-card { text-align: center; padding: 28px 20px; position: relative; }
.step-card .step-num {
  width: 48px; height: 48px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.2rem; font-weight: 700;
  margin: 0 auto 16px;
  box-shadow: 0 4px 16px rgba(229,62,62,0.3);
}
.step-card h3 { font-size: 1.05rem; margin-bottom: 8px; }
.step-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0; }
/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  border-radius: var(--radius-sm);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(255,215,0,0.15); }
.faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 24px;
  cursor: pointer;
  font-weight: 600;
  color: var(--text-primary);
  font-size: 1rem;
  background: none;
  width: 100%;
  text-align: left;
  transition: var(--transition);
}
.faq-q:hover { color: var(--secondary); }
.faq-q .icon { transition: transform 0.3s; font-size: 0.9rem; color: var(--primary); }
.faq-item.open .faq-q .icon { transform: rotate(180deg); }
.faq-a {
  padding: 0 24px 18px;
  color: var(--text-secondary);
  font-size: 0.95rem;
  line-height: 1.7;
  display: none;
}
.faq-item.open .faq-a { display: block; }
/* ===== CTA ===== */
.cta-section {
  text-align: center;
  padding: 80px 24px;
  background: linear-gradient(135deg, rgba(10,10,20,0.92), rgba(22,22,42,0.88)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  border-top: 1px solid var(--border-color);
  border-bottom: 1px solid var(--border-color);
}
.cta-section h2 { margin-bottom: 12px; }
.cta-section p { max-width: 600px; margin: 0 auto 32px; color: var(--text-muted); }
/* ===== Footer ===== */
.site-footer {
  background: var(--bg-card);
  border-top: 1px solid var(--border-color);
  padding: 48px 24px 32px;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; max-width: var(--container-w); margin: 0 auto; }
.footer-brand .logo { font-size: 1.3rem; font-weight: 800; background: linear-gradient(135deg, var(--secondary), var(--primary)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: 0.9rem; color: var(--text-muted); max-width: 300px; }
.footer-col h4 { font-size: 0.95rem; margin-bottom: 16px; color: var(--text-primary); }
.footer-col a { display: block; padding: 4px 0; font-size: 0.9rem; color: var(--text-muted); }
.footer-col a:hover { color: var(--secondary); }
.footer-bottom { text-align: center; padding-top: 32px; margin-top: 32px; border-top: 1px solid var(--border-color); font-size: 0.85rem; color: var(--text-muted); max-width: var(--container-w); margin-left: auto; margin-right: auto; }
/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .dock-nav { padding: 0 16px; height: 56px; }
  .dock-links { display: none; position: absolute; top: 64px; left: 8px; right: 8px; background: var(--bg-dock); backdrop-filter: blur(20px); border-radius: var(--radius-md); border: 1px solid var(--border-color); flex-direction: column; padding: 8px; box-shadow: var(--shadow-lg); }
  .dock-links.open { display: flex; }
  .dock-links a { padding: 12px 16px; width: 100%; border-radius: var(--radius-sm); }
  .dock-toggle { display: block; }
  .hero { padding: 120px 20px 80px; min-height: auto; }
  .hero h1 { font-size: 2rem; }
  .hero-stats { gap: 24px; }
  .hero-stat .num { font-size: 1.6rem; }
  .features-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .post-list { grid-template-columns: 1fr; }
  .steps-grid { grid-template-columns: 1fr; gap: 12px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .section { padding: 48px 0; }
  .section-title { margin-bottom: 32px; }
  .section-title h2 { font-size: 1.6rem; }
  .cta-section { padding: 56px 20px; }
  .hero-actions .btn { width: 100%; justify-content: center; }
}
@media (max-width: 520px) {
  .dock-logo { font-size: 1rem; }
  .dock-nav { padding: 0 12px; }
  .hero h1 { font-size: 1.6rem; }
  .hero p { font-size: 0.95rem; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .feature-card { padding: 24px 20px; }
  .post-card-body { padding: 16px 18px; }
  .faq-q { padding: 14px 16px; font-size: 0.95rem; }
  .faq-a { padding: 0 16px 14px; }
}

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #f59e0b;
            --primary-dark: #d97706;
            --primary-light: #fbbf24;
            --primary-gradient: linear-gradient(135deg, #f59e0b 0%, #f97316 100%);
            --secondary: #1e293b;
            --secondary-light: #334155;
            --accent: #06b6d4;
            --accent-dark: #0891b2;
            --bg-dark: #0f172a;
            --bg-darker: #0b1121;
            --bg-card: #1e293b;
            --bg-body: #0f172a;
            --bg-section: #1a2332;
            --bg-section-alt: #0f172a;
            --text-primary: #f1f5f9;
            --text-secondary: #94a3b8;
            --text-muted: #64748b;
            --border-color: rgba(255,255,255,0.08);
            --border-light: rgba(255,255,255,0.12);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.35);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px rgba(245,158,11,0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container: 1200px;
            --nav-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-sans);
            background: var(--bg-body);
            color: var(--text-primary);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: var(--primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary-light); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
        button { cursor: pointer; font-family: inherit; }
        input, textarea { font-family: inherit; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text-primary); }
        h1 { font-size: clamp(1.8rem, 4vw, 2.8rem); }
        h2 { font-size: clamp(1.4rem, 2.8vw, 2rem); }
        h3 { font-size: clamp(1.1rem, 1.8vw, 1.4rem); }
        p { color: var(--text-secondary); margin-bottom: 1rem; }
        .container {
            width: 100%;
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }
        .section { padding: 80px 0; }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 { margin-bottom: 12px; }
        .section-title p {
            max-width: 600px;
            margin: 0 auto;
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        .text-gradient { background: var(--primary-gradient); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            text-transform: uppercase;
            background: rgba(245,158,11,0.15);
            color: var(--primary);
            border: 1px solid rgba(245,158,11,0.25);
        }
        .badge-sm { padding: 2px 10px; font-size: 0.65rem; }

        /* ===== Floating Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 16px; left: 0; right: 0;
            z-index: 1000;
            padding: 0 20px;
            pointer-events: none;
        }
        .dock-nav {
            max-width: 880px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 24px;
            background: rgba(15,23,42,0.85);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border-radius: 60px;
            border: 1px solid var(--border-color);
            box-shadow: 0 8px 40px rgba(0,0,0,0.4), inset 0 1px 0 rgba(255,255,255,0.05);
            pointer-events: auto;
            transition: var(--transition);
        }
        .dock-nav:hover { border-color: rgba(255,255,255,0.12); box-shadow: 0 12px 50px rgba(0,0,0,0.5); }
        .dock-logo {
            display: flex;
            align-items: center;
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-primary);
            gap: 6px;
            letter-spacing: -0.3px;
            flex-shrink: 0;
        }
        .dock-logo i { font-size: 1.1rem; color: var(--primary); }
        .dock-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }
        .dock-links a {
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 0.88rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .dock-links a:hover { color: var(--text-primary); background: rgba(255,255,255,0.06); }
        .dock-links a.active {
            color: var(--text-primary);
            background: rgba(245,158,11,0.15);
            box-shadow: inset 0 0 0 1px rgba(245,158,11,0.2);
        }
        .dock-links a.dock-cta {
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 600;
            padding: 6px 20px;
            box-shadow: 0 4px 15px rgba(245,158,11,0.25);
        }
        .dock-links a.dock-cta:hover {
            transform: translateY(-1px);
            box-shadow: 0 6px 25px rgba(245,158,11,0.35);
            background: linear-gradient(135deg, #fbbf24 0%, #f97316 100%);
        }
        .dock-toggle { display: none; background: none; border: none; color: var(--text-primary); font-size: 1.3rem; padding: 6px 10px; border-radius: 8px; transition: var(--transition); }
        .dock-toggle:hover { background: rgba(255,255,255,0.06); }

        /* ===== Article Hero ===== */
        .article-hero {
            padding: 140px 0 60px;
            background: var(--bg-darker);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border-color);
        }
        .article-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.12;
            z-index: 0;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11,17,33,0.7) 0%, rgba(15,23,42,0.95) 100%);
            z-index: 1;
        }
        .article-hero .container { position: relative; z-index: 2; }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .article-meta .badge { font-size: 0.7rem; }
        .article-meta time { font-size: 0.85rem; color: var(--text-muted); display: flex; align-items: center; gap: 6px; }
        .article-hero h1 {
            font-size: clamp(1.6rem, 3.6vw, 2.6rem);
            line-height: 1.25;
            max-width: 900px;
            margin-bottom: 16px;
        }
        .article-hero .article-desc {
            font-size: 1.1rem;
            color: var(--text-secondary);
            max-width: 780px;
            line-height: 1.7;
        }

        /* ===== Article Content ===== */
        .article-main { padding: 60px 0 80px; }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-color);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }
        .article-body .featured-image {
            width: 100%;
            border-radius: var(--radius-md);
            margin-bottom: 32px;
            aspect-ratio: 16/9;
            object-fit: cover;
            background: var(--secondary-light);
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text-secondary);
        }
        .article-body .content p { margin-bottom: 1.2rem; }
        .article-body .content h2,
        .article-body .content h3 {
            margin-top: 2rem;
            margin-bottom: 0.8rem;
            color: var(--text-primary);
        }
        .article-body .content ul,
        .article-body .content ol {
            margin: 1rem 0 1.2rem 1.6rem;
            color: var(--text-secondary);
        }
        .article-body .content li { margin-bottom: 0.5rem; list-style: disc; }
        .article-body .content blockquote {
            border-left: 4px solid var(--primary);
            padding: 16px 24px;
            margin: 1.5rem 0;
            background: rgba(245,158,11,0.05);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .article-body .content a { color: var(--accent); text-decoration: underline; }
        .article-body .content a:hover { color: var(--primary-light); }
        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-tags .tag {
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.78rem;
            color: var(--text-secondary);
            background: rgba(255,255,255,0.04);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .article-tags .tag:hover { border-color: var(--primary); color: var(--primary); background: rgba(245,158,11,0.06); }
        .article-nav {
            display: flex;
            justify-content: space-between;
            gap: 20px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.03);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .article-nav a:hover { color: var(--primary); border-color: rgba(245,158,11,0.3); background: rgba(245,158,11,0.05); }

        /* ===== Sidebar ===== */
        .article-sidebar { display: flex; flex-direction: column; gap: 32px; }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-card h3 {
            font-size: 1.05rem;
            margin-bottom: 16px;
            padding-bottom: 12px;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-list { display: flex; flex-direction: column; gap: 12px; }
        .sidebar-list a {
            display: flex;
            gap: 12px;
            padding: 10px 12px;
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.02);
            border: 1px solid transparent;
            transition: var(--transition);
            align-items: flex-start;
        }
        .sidebar-list a:hover { background: rgba(255,255,255,0.04); border-color: var(--border-color); }
        .sidebar-list a img {
            width: 60px; height: 60px; border-radius: 6px; object-fit: cover; flex-shrink: 0;
            background: var(--secondary-light);
        }
        .sidebar-list a .side-item-text { flex: 1; min-width: 0; }
        .sidebar-list a .side-item-text .side-title {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-primary);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            line-height: 1.4;
            margin-bottom: 4px;
        }
        .sidebar-list a .side-item-text .side-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
        }
        .sidebar-cta {
            background: var(--primary-gradient);
            border: none;
            color: #fff;
            padding: 14px 24px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1rem;
            width: 100%;
            text-align: center;
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(245,158,11,0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }
        .sidebar-cta:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(245,158,11,0.3); color: #fff; }
        .sidebar-stats {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
        }
        .sidebar-stat {
            text-align: center;
            padding: 16px 8px;
            background: rgba(255,255,255,0.03);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
        }
        .sidebar-stat .num {
            font-size: 1.6rem;
            font-weight: 800;
            background: var(--primary-gradient);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .sidebar-stat .label { font-size: 0.72rem; color: var(--text-muted); margin-top: 4px; }

        /* ===== Related Section ===== */
        .related-section {
            background: var(--bg-section);
            border-top: 1px solid var(--border-color);
            padding: 64px 0;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-md); border-color: rgba(245,158,11,0.15); }
        .related-card img {
            width: 100%;
            aspect-ratio: 16/9;
            object-fit: cover;
            border-radius: 0;
            background: var(--secondary-light);
        }
        .related-card .related-body { padding: 18px 20px 20px; }
        .related-card .related-body .badge { margin-bottom: 8px; }
        .related-card .related-body h4 { font-size: 0.95rem; margin-bottom: 6px; }
        .related-card .related-body h4 a { color: var(--text-primary); }
        .related-card .related-body h4 a:hover { color: var(--primary); }
        .related-card .related-body p {
            font-size: 0.82rem;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .related-card .related-body .related-meta {
            font-size: 0.72rem;
            color: var(--text-muted);
            margin-top: 10px;
            display: flex;
            justify-content: space-between;
        }

        /* ===== FAQ ===== */
        .faq-section { background: var(--bg-body); border-top: 1px solid var(--border-color); }
        .faq-grid {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(255,255,255,0.12); }
        .faq-question {
            padding: 18px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--text-primary);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: var(--transition);
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { color: var(--primary); font-size: 0.85rem; transition: var(--transition); flex-shrink: 0; }
        .faq-item.active .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.active .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            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-box {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-box h2 { font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 16px; }
        .cta-box p { color: var(--text-muted); font-size: 1.05rem; margin-bottom: 28px; }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary-gradient);
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 16px 40px;
            border-radius: 60px;
            border: none;
            box-shadow: 0 8px 30px rgba(245,158,11,0.25);
            transition: var(--transition);
        }
        .cta-btn:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(245,158,11,0.35); color: #fff; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { font-size: 1.3rem; font-weight: 800; color: var(--text-primary); display: flex; align-items: center; gap: 6px; margin-bottom: 14px; }
        .footer-brand p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; max-width: 360px; }
        .footer-col h4 { font-size: 0.9rem; font-weight: 700; color: var(--text-primary); margin-bottom: 16px; text-transform: uppercase; letter-spacing: 0.5px; }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--primary); padding-left: 4px; }
        .footer-col a i { width: 20px; margin-right: 6px; }
        .footer-bottom {
            border-top: 1px solid var(--border-color);
            padding-top: 20px;
            text-align: center;
        }
        .footer-bottom p { font-size: 0.78rem; color: var(--text-muted); margin-bottom: 0; }

        /* ===== NotFound ===== */
        .notfound-box {
            text-align: center;
            padding: 80px 20px;
        }
        .notfound-box i { font-size: 3rem; color: var(--text-muted); margin-bottom: 20px; display: block; }
        .notfound-box h2 { margin-bottom: 12px; }
        .notfound-box p { color: var(--text-muted); margin-bottom: 24px; }
        .notfound-box .back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: var(--primary-gradient);
            color: #fff;
            border-radius: 60px;
            font-weight: 600;
            transition: var(--transition);
        }
        .notfound-box .back-home:hover { transform: translateY(-2px); box-shadow: 0 8px 25px rgba(245,158,11,0.25); color: #fff; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .site-header { top: 8px; padding: 0 12px; }
            .dock-nav { padding: 8px 16px; border-radius: 40px; }
            .dock-links { display: none; position: absolute; top: calc(100% + 8px); left: 0; right: 0; flex-direction: column; background: rgba(15,23,42,0.95); backdrop-filter: blur(20px); border-radius: 20px; border: 1px solid var(--border-color); padding: 12px; box-shadow: var(--shadow-lg); }
            .dock-links.show { display: flex; }
            .dock-links a { width: 100%; text-align: center; padding: 10px 16px; }
            .dock-toggle { display: block; }
            .article-hero { padding: 120px 0 40px; }
            .article-body { padding: 24px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .related-grid { grid-template-columns: 1fr 1fr; }
            .section { padding: 56px 0; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-hero h1 { font-size: 1.3rem; }
            .article-body { padding: 16px; }
            .article-body .content { font-size: 0.95rem; }
            .related-grid { grid-template-columns: 1fr; }
            .article-nav { flex-direction: column; }
            .dock-logo { font-size: 1.05rem; }
            .footer-grid { gap: 24px; }
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp { from { opacity: 0; transform: translateY(24px); } to { opacity: 1; transform: translateY(0); } }
        .animate-fade { animation: fadeInUp 0.6s ease forwards; }
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #f5b342;
            --primary-dark: #d99a2e;
            --primary-light: #ffe4a3;
            --secondary: #1a2a3a;
            --secondary-light: #2a3f55;
            --accent: #e85d3a;
            --bg-dark: #0f1923;
            --bg-section: #f8f6f2;
            --bg-card: #ffffff;
            --bg-body: #faf9f7;
            --text-primary: #1e1e2a;
            --text-secondary: #4a4a5a;
            --text-light: #8a8a9a;
            --text-white: #f5f0eb;
            --border-light: #e8e3dd;
            --border-card: #f0ebe5;
            --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.08);
            --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-h: 80px;
        }

        /* ===== 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);
            padding-top: var(--header-h);
        }
        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;
            border: none;
            outline: none;
            background: none;
        }
        button {
            cursor: pointer;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            color: var(--text-primary);
        }
        h1 {
            font-size: 3.2rem;
        }
        h2 {
            font-size: 2.4rem;
            margin-bottom: 1rem;
        }
        h3 {
            font-size: 1.6rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        p {
            color: var(--text-secondary);
            margin-bottom: 1rem;
        }
        .container {
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Floating Dock Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: center;
            pointer-events: none;
            padding: 0 24px;
        }
        .dock-nav {
            pointer-events: auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(15, 25, 35, 0.88);
            backdrop-filter: blur(18px) saturate(1.2);
            -webkit-backdrop-filter: blur(18px) saturate(1.2);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-xl);
            padding: 0 20px 0 28px;
            height: 60px;
            max-width: 820px;
            width: 100%;
            box-shadow: 0 8px 40px rgba(0, 0, 0, 0.3), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }
        .dock-logo {
            display: flex;
            align-items: center;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.3px;
            color: var(--text-white);
            flex-shrink: 0;
            gap: 4px;
        }
        .dock-logo i {
            font-size: 1.2rem;
            color: var(--primary);
        }
        .dock-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .dock-links a {
            padding: 8px 16px;
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: rgba(255, 255, 255, 0.7);
            transition: var(--transition);
            white-space: nowrap;
            position: relative;
        }
        .dock-links a:hover {
            color: var(--text-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .dock-links a.active {
            color: var(--primary);
            background: rgba(245, 179, 66, 0.12);
        }
        .dock-links a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }
        .dock-links a.dock-cta {
            background: var(--primary);
            color: #0f1923;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .dock-links a.dock-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(245, 179, 66, 0.3);
        }
        .dock-toggle {
            display: none;
            background: none;
            color: var(--text-white);
            font-size: 1.5rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .dock-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        /* ===== Page Hero / Banner ===== */
        .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 30%;
            background-repeat: no-repeat;
            overflow: hidden;
            min-height: 340px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 25, 35, 0.92) 40%, rgba(15, 25, 35, 0.6) 80%, rgba(15, 25, 35, 0.3) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 3.4rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -1px;
            margin-bottom: 16px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.3);
        }
        .page-hero h1 i {
            color: var(--primary);
            margin-right: 10px;
        }
        .page-hero p {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 680px;
            margin: 0 auto 24px;
            line-height: 1.7;
        }
        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
        }
        .page-hero .hero-tags span {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.1);
            padding: 6px 18px;
            border-radius: 40px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(4px);
        }
        .breadcrumb-bar {
            background: transparent;
            padding: 16px 0 6px;
            position: relative;
            z-index: 2;
        }
        .breadcrumb-bar .container {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
        }
        .breadcrumb-bar a {
            color: rgba(255, 255, 255, 0.6);
        }
        .breadcrumb-bar a:hover {
            color: var(--primary);
        }
        .breadcrumb-bar .sep {
            color: rgba(255, 255, 255, 0.25);
        }
        .breadcrumb-bar .current {
            color: rgba(255, 255, 255, 0.85);
        }

        /* ===== Section Shared ===== */
        .section {
            padding: 80px 0;
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-header h2 {
            font-size: 2.4rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            position: relative;
            display: inline-block;
        }
        .section-header h2::after {
            content: '';
            display: block;
            width: 60px;
            height: 4px;
            background: var(--primary);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-header p {
            font-size: 1.1rem;
            color: var(--text-light);
            max-width: 600px;
            margin: 16px auto 0;
        }
        .section-bg {
            background: var(--bg-section);
        }
        .section-dark {
            background: var(--bg-dark);
            color: var(--text-white);
        }
        .section-dark .section-header h2 {
            color: var(--text-white);
        }
        .section-dark .section-header h2::after {
            background: var(--primary);
        }
        .section-dark .section-header p {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .card-img {
            width: 100%;
            aspect-ratio: 16/10;
            object-fit: cover;
            display: block;
            background: var(--bg-section);
        }
        .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .card-body .tag {
            display: inline-block;
            background: rgba(245, 179, 66, 0.12);
            color: var(--primary-dark);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 40px;
            margin-bottom: 10px;
            align-self: flex-start;
            letter-spacing: 0.3px;
        }
        .card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
        }
        .card-body p {
            font-size: 0.92rem;
            color: var(--text-secondary);
            flex: 1;
            margin-bottom: 16px;
        }
        .card-body .card-link {
            font-weight: 600;
            color: var(--primary-dark);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .card-body .card-link:hover {
            gap: 12px;
            color: var(--accent);
        }

        /* ===== Guide Section ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }
        .guide-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            padding: 28px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-card);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            align-items: flex-start;
        }
        .guide-item:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary-light);
        }
        .guide-icon {
            flex-shrink: 0;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            background: rgba(245, 179, 66, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--primary);
        }
        .guide-content h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .guide-content p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 0;
        }

        /* ===== Data / Stats ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .stat-card {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 32px 20px;
            text-align: center;
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }
        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(245, 179, 66, 0.3);
            transform: translateY(-4px);
        }
        .stat-card .num {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.1;
            margin-bottom: 6px;
        }
        .stat-card .label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.65);
            font-weight: 500;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-card);
            border-radius: var(--radius-sm);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--primary-light);
        }
        .faq-q {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition);
            color: var(--text-primary);
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-q i {
            color: var(--primary);
            transition: transform 0.3s;
            font-size: 1.1rem;
        }
        .faq-q.open i {
            transform: rotate(180deg);
        }
        .faq-q:hover {
            background: rgba(245, 179, 66, 0.04);
        }
        .faq-a {
            padding: 0 24px 18px;
            font-size: 0.92rem;
            color: var(--text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-a.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--bg-dark);
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 25, 35, 0.9) 50%, rgba(15, 25, 35, 0.6));
            z-index: 1;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .cta-section h2 {
            color: var(--text-white);
            font-size: 2.6rem;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 1.15rem;
            max-width: 600px;
            margin: 0 auto 32px;
        }
        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #0f1923;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 16px 40px;
            border-radius: 60px;
            transition: var(--transition);
            box-shadow: 0 4px 24px rgba(245, 179, 66, 0.25);
        }
        .cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(245, 179, 66, 0.35);
            color: #0f1923;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            color: rgba(255, 255, 255, 0.7);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 40px;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-brand .logo {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--text-white);
            display: flex;
            align-items: center;
            gap: 4px;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--text-white);
            margin-bottom: 16px;
        }
        .footer-col a {
            display: block;
            padding: 5px 0;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            margin-top: 40px;
            padding-top: 24px;
            text-align: center;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .page-hero h1 {
                font-size: 2.6rem;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: 70px;
            }
            .dock-nav {
                padding: 0 14px 0 18px;
                height: 54px;
                max-width: 96%;
            }
            .dock-links {
                position: fixed;
                top: 74px;
                left: 12px;
                right: 12px;
                background: rgba(15, 25, 35, 0.96);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                border: 1px solid rgba(255, 255, 255, 0.06);
                border-radius: var(--radius-md);
                flex-direction: column;
                padding: 12px 8px;
                gap: 4px;
                display: none;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5);
            }
            .dock-links.open {
                display: flex;
            }
            .dock-links a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .dock-links a.active::after {
                display: none;
            }
            .dock-links a.dock-cta {
                justify-content: center;
                margin-top: 4px;
            }
            .dock-toggle {
                display: block;
            }
            .page-hero {
                padding: 80px 0 60px;
                min-height: 280px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .stat-card .num {
                font-size: 2.2rem;
            }
            .guide-grid {
                gap: 20px;
            }
            .guide-item {
                padding: 20px 18px;
                flex-direction: column;
                gap: 12px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-btn {
                padding: 14px 32px;
                font-size: 0.95rem;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .page-hero .hero-tags span {
                font-size: 0.75rem;
                padding: 4px 14px;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card {
                padding: 20px 12px;
            }
            .stat-card .num {
                font-size: 1.8rem;
            }
            .faq-q {
                font-size: 0.9rem;
                padding: 14px 18px;
            }
            .faq-a {
                padding: 0 18px 14px;
                font-size: 0.85rem;
            }
            .footer-grid {
                padding: 0 16px;
            }
        }

        /* ===== Misc Utilities ===== */
        .text-center {
            text-align: center;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }