/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --primary: #1a4d8f;
  --primary-dark: #0f2d5a;
  --primary-light: #2d6bcb;
  --primary-gradient: linear-gradient(135deg, #1a4d8f 0%, #2d6bcb 100%);
  --secondary: #f0b429;
  --secondary-light: #f7d674;
  --accent: #10b981;
  --accent-dark: #059669;
  --bg: #ffffff;
  --bg-alt: #f1f5f9;
  --bg-dark: #0b1a2e;
  --bg-card: #ffffff;
  --text: #1e293b;
  --text-light: #64748b;
  --text-white: #ffffff;
  --text-muted: #94a3b8;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-xs: 6px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
  --shadow: 0 4px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
  --shadow-glow: 0 0 30px rgba(45,107,203,0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
  --nav-height: 72px;
  --max-width: 1200px;
  --section-gap: 100px;
}

/* ===== 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: 1.7;
  color: var(--text);
  background: var(--bg);
  overflow-x: hidden;
}
a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--primary-light); }
img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
ul, ol { list-style: none; }
button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
button { cursor: pointer; background: none; }
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.section { padding: 80px 0; }
.section-alt { background: var(--bg-alt); }
.section-dark { background: var(--bg-dark); color: var(--text-white); }
.section-title {
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 12px;
  letter-spacing: -0.02em;
}
.section-sub {
  font-size: 1.1rem;
  color: var(--text-light);
  max-width: 640px;
  line-height: 1.6;
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .section-sub { margin: 0 auto; }
.section-dark .section-sub { color: rgba(255,255,255,0.7); }
.tag {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 20px;
  font-size: 0.8rem;
  font-weight: 600;
  background: rgba(26,77,143,0.1);
  color: var(--primary);
  letter-spacing: 0.3px;
  margin-bottom: 16px;
}
.tag-light { background: rgba(255,255,255,0.15); color: #fff; }
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 1rem;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-primary {
  background: var(--primary-gradient);
  color: #fff;
  box-shadow: 0 4px 16px rgba(26,77,143,0.35);
}
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 8px 30px rgba(26,77,143,0.45); color: #fff; }
.btn-secondary {
  background: rgba(255,255,255,0.15);
  color: #fff;
  border: 1px solid rgba(255,255,255,0.3);
  backdrop-filter: blur(10px);
}
.btn-secondary:hover { background: rgba(255,255,255,0.25); color: #fff; transform: translateY(-2px); }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
}
.btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.btn-lg { padding: 18px 44px; font-size: 1.15rem; }
.card {
  background: var(--bg-card);
  border-radius: var(--radius);
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  overflow: hidden;
  border: 1px solid var(--border-light);
}
.card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.card-img { width: 100%; aspect-ratio: 16/9; object-fit: cover; border-radius: var(--radius-sm) var(--radius-sm) 0 0; }
.card-body { padding: 24px; }
.card-title { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; line-height: 1.4; }
.card-text { font-size: 0.95rem; color: var(--text-light); line-height: 1.6; }
.badge {
  display: inline-block;
  padding: 2px 12px;
  border-radius: 12px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(16,185,129,0.12);
  color: var(--accent-dark);
}
.badge-hot { background: rgba(240,180,41,0.15); color: #b8860b; }
.grid-2 { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.grid-4 { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }

/* ===== 导航 ===== */
.header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: var(--nav-height);
  transition: all var(--transition);
}
.header::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(255,255,255,0.08);
  backdrop-filter: blur(24px);
  -webkit-backdrop-filter: blur(24px);
  border-bottom: 1px solid rgba(255,255,255,0.12);
  transition: all var(--transition);
}
.header.scrolled::before {
  background: rgba(255,255,255,0.92);
  border-bottom-color: var(--border);
}
.header.scrolled { --nav-text: var(--text); --nav-hover: var(--primary); }
.header:not(.scrolled) { --nav-text: rgba(255,255,255,0.9); --nav-hover: #fff; }
.header .container { position: relative; height: 100%; display: flex; align-items: center; justify-content: space-between; z-index: 1; }
.logo { font-size: 1.35rem; font-weight: 800; color: var(--nav-text, #fff); letter-spacing: -0.3px; transition: color var(--transition); }
.logo:hover { color: var(--nav-hover, #fff); }
.logo-icon { color: var(--secondary); margin-right: 6px; }
.nav { display: flex; align-items: center; gap: 8px; }
.nav a {
  padding: 8px 18px;
  border-radius: 8px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--nav-text, rgba(255,255,255,0.85));
  transition: all var(--transition);
  position: relative;
}
.nav a:hover { color: var(--nav-hover, #fff); background: rgba(255,255,255,0.1); }
.nav a.active { color: var(--nav-hover, #fff); background: rgba(255,255,255,0.15); font-weight: 600; }
.header.scrolled .nav a { color: var(--text); }
.header.scrolled .nav a:hover { color: var(--primary); background: rgba(26,77,143,0.08); }
.header.scrolled .nav a.active { color: var(--primary); background: rgba(26,77,143,0.12); }
.nav-cta {
  padding: 8px 22px !important;
  border-radius: 50px !important;
  background: var(--primary-gradient) !important;
  color: #fff !important;
  font-weight: 600 !important;
  box-shadow: 0 2px 12px rgba(26,77,143,0.3);
}
.nav-cta:hover { transform: translateY(-1px); box-shadow: 0 4px 20px rgba(26,77,143,0.4) !important; color: #fff !important; }
.header.scrolled .nav-cta { color: #fff !important; }
.hamburger { display: none; flex-direction: column; gap: 5px; padding: 8px; cursor: pointer; background: none; border: none; }
.hamburger span { display: block; width: 26px; height: 2.5px; border-radius: 2px; background: var(--nav-text, #fff); transition: all var(--transition); }
.header.scrolled .hamburger span { background: var(--text); }

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 85vh;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: var(--bg-dark);
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.5;
  transform: scale(1.05);
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,26,46,0.88) 0%, rgba(11,26,46,0.6) 50%, rgba(11,26,46,0.88) 100%);
}
.hero .container { position: relative; z-index: 2; text-align: center; padding-top: 60px; padding-bottom: 60px; }
.hero-tag {
  display: inline-block;
  padding: 6px 20px;
  border-radius: 50px;
  background: rgba(240,180,41,0.15);
  color: var(--secondary);
  font-size: 0.85rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  border: 1px solid rgba(240,180,41,0.2);
  margin-bottom: 24px;
}
.hero-title {
  font-size: 4rem;
  font-weight: 800;
  line-height: 1.12;
  color: #fff;
  letter-spacing: -0.03em;
  margin-bottom: 20px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.3);
}
.hero-title span { color: var(--secondary); }
.hero-desc {
  font-size: 1.25rem;
  color: rgba(255,255,255,0.75);
  max-width: 680px;
  margin: 0 auto 36px;
  line-height: 1.7;
}
.hero-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 48px;
  justify-content: center;
  margin-top: 56px;
  padding-top: 40px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.hero-stat { text-align: center; }
.hero-stat-num { font-size: 2.4rem; font-weight: 800; color: var(--secondary); line-height: 1.2; }
.hero-stat-label { font-size: 0.9rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

/* ===== 板块通用 ===== */
.features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 36px 28px;
  text-align: center;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.feature-card:hover { box-shadow: var(--shadow); transform: translateY(-6px); }
.feature-icon {
  width: 64px;
  height: 64px;
  margin: 0 auto 20px;
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: #fff;
  background: var(--primary-gradient);
}
.feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { font-size: 0.95rem; color: var(--text-light); line-height: 1.6; }

/* ===== 分类入口 ===== */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cat-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  height: 280px;
  display: flex;
  align-items: flex-end;
  cursor: pointer;
  transition: all var(--transition);
}
.cat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.cat-card-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  transition: transform 0.5s ease;
}
.cat-card:hover .cat-card-bg { transform: scale(1.08); }
.cat-card-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(11,26,46,0.85) 0%, rgba(11,26,46,0.2) 60%, transparent 100%);
}
.cat-card-content { position: relative; z-index: 2; padding: 32px 28px; width: 100%; }
.cat-card-content h3 { font-size: 1.4rem; font-weight: 700; color: #fff; margin-bottom: 6px; }
.cat-card-content p { font-size: 0.9rem; color: rgba(255,255,255,0.7); }
.cat-card .badge { margin-bottom: 10px; }

/* ===== 资讯列表 ===== */
.post-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.post-card {
  display: flex;
  gap: 20px;
  background: var(--bg-card);
  border-radius: var(--radius);
  padding: 20px;
  border: 1px solid var(--border-light);
  transition: all var(--transition);
  box-shadow: var(--shadow-sm);
}
.post-card:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.post-card-img {
  width: 180px;
  min-height: 130px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.post-card-info { flex: 1; display: flex; flex-direction: column; gap: 6px; }
.post-card-cat { font-size: 0.75rem; font-weight: 600; color: var(--primary); text-transform: uppercase; letter-spacing: 0.5px; }
.post-card h3 { font-size: 1.05rem; font-weight: 700; line-height: 1.4; }
.post-card h3 a { color: var(--text); }
.post-card h3 a:hover { color: var(--primary); }
.post-card p { font-size: 0.9rem; color: var(--text-light); line-height: 1.5; flex: 1; }
.post-card-meta { font-size: 0.8rem; color: var(--text-muted); display: flex; gap: 16px; }
.empty-msg { text-align: center; padding: 48px 20px; color: var(--text-light); font-size: 1.1rem; background: var(--bg-alt); border-radius: var(--radius); }

/* ===== 数据流程 ===== */
.steps { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; counter-reset: step; }
.step-item {
  text-align: center;
  position: relative;
  padding: 32px 20px;
  background: rgba(255,255,255,0.05);
  border-radius: var(--radius);
  border: 1px solid rgba(255,255,255,0.08);
}
.step-item::before {
  counter-increment: step;
  content: counter(step);
  display: block;
  width: 48px;
  height: 48px;
  line-height: 48px;
  border-radius: 50%;
  background: var(--secondary);
  color: var(--bg-dark);
  font-size: 1.3rem;
  font-weight: 800;
  margin: 0 auto 16px;
}
.step-item h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; color: #fff; }
.step-item p { font-size: 0.9rem; color: rgba(255,255,255,0.65); line-height: 1.5; }

/* ===== FAQ ===== */
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-sm);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: var(--primary-light); }
.faq-q {
  padding: 20px 28px;
  font-weight: 600;
  font-size: 1.05rem;
  cursor: pointer;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: background var(--transition);
  color: var(--text);
}
.faq-q:hover { background: var(--bg-alt); }
.faq-q i { color: var(--primary); transition: transform var(--transition); font-size: 0.9rem; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: all 0.4s ease;
  color: var(--text-light);
  line-height: 1.7;
  font-size: 0.95rem;
}
.faq-item.open .faq-a { padding: 0 28px 20px; max-height: 300px; }

/* ===== CTA ===== */
.cta-box {
  background: var(--primary-gradient);
  border-radius: var(--radius);
  padding: 64px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.cta-box::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  opacity: 0.08;
}
.cta-box h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 12px; position: relative; }
.cta-box p { font-size: 1.1rem; opacity: 0.85; margin-bottom: 32px; position: relative; }
.cta-box .btn { position: relative; }
.cta-box .btn-secondary { background: #fff; color: var(--primary); border: none; }
.cta-box .btn-secondary:hover { background: var(--secondary); color: var(--bg-dark); }

/* ===== 页脚 ===== */
.footer {
  background: var(--bg-dark);
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; padding-bottom: 40px; }
.footer-brand .logo { color: #fff; font-size: 1.25rem; margin-bottom: 12px; display: inline-block; }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 320px; }
.footer-col h4 { color: #fff; font-size: 1rem; font-weight: 700; margin-bottom: 16px; }
.footer-col a { display: block; padding: 4px 0; font-size: 0.9rem; color: rgba(255,255,255,0.6); transition: all var(--transition); }
.footer-col a:hover { color: var(--secondary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 20px 0;
  text-align: center;
  font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: repeat(2, 1fr); }
  .hero-title { font-size: 3rem; }
}

@media (max-width: 768px) {
  .nav { display: none; position: absolute; top: var(--nav-height); left: 0; right: 0; background: rgba(255,255,255,0.98); backdrop-filter: blur(20px); flex-direction: column; padding: 16px 24px; border-radius: 0 0 var(--radius) var(--radius); box-shadow: var(--shadow-lg); }
  .nav.open { display: flex; }
  .nav a { color: var(--text) !important; padding: 12px 16px; width: 100%; border-radius: 8px; }
  .nav a:hover { background: var(--bg-alt) !important; }
  .nav a.active { background: rgba(26,77,143,0.1) !important; color: var(--primary) !important; }
  .nav-cta { text-align: center; }
  .hamburger { display: flex; }
  .hero-title { font-size: 2.4rem; }
  .hero-desc { font-size: 1.05rem; }
  .hero-stats { gap: 24px; flex-wrap: wrap; }
  .hero-stat-num { font-size: 1.8rem; }
  .section-title { font-size: 1.8rem; }
  .grid-2, .grid-3, .features-grid, .category-grid, .post-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; gap: 16px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .post-card { flex-direction: column; }
  .post-card-img { width: 100%; min-height: 180px; }
  .cta-box { padding: 40px 24px; }
  .cta-box h2 { font-size: 1.6rem; }
  .section { padding: 56px 0; }
  :root { --section-gap: 56px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero-title { font-size: 1.8rem; }
  .hero-desc { font-size: 0.95rem; }
  .hero-actions { flex-direction: column; align-items: center; }
  .hero-stats { flex-direction: column; gap: 16px; }
  .feature-card { padding: 24px 18px; }
  .section-title { font-size: 1.5rem; }
  .cat-card { height: 200px; }
  .cat-card-content { padding: 20px; }
  .cat-card-content h3 { font-size: 1.1rem; }
  .faq-q { padding: 16px 18px; font-size: 0.95rem; }
  .faq-a { font-size: 0.9rem; }
  .btn-lg { padding: 14px 28px; font-size: 1rem; }
}

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #1a6b3c;
            --primary-light: #238b4d;
            --primary-dark: #0f4d2a;
            --accent: #f5c842;
            --accent-light: #f8d96a;
            --accent-dark: #dba832;
            --bg: #0a0e17;
            --bg-alt: #111827;
            --bg-card: #1a2235;
            --bg-glass: rgba(26, 34, 53, 0.72);
            --text: #f1f5f9;
            --text-soft: #cbd5e1;
            --text-muted: #94a3b8;
            --border: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.14);
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
            --shadow-sm: 0 4px 16px rgba(0, 0, 0, 0.30);
            --shadow-glow: 0 0 30px rgba(26, 107, 60, 0.25);
            --font: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --nav-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);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            min-height: 100vh;
        }

        a {
            color: inherit;
            text-decoration: none;
            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;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.01em;
        }

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

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

        /* ===== Glass Navigation ===== */
        .nav {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(10, 14, 23, 0.55);
            backdrop-filter: blur(18px) saturate(1.3);
            -webkit-backdrop-filter: blur(18px) saturate(1.3);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
            padding: 0 24px;
        }

        .nav.scrolled {
            background: rgba(10, 14, 23, 0.92);
            backdrop-filter: blur(24px) saturate(1.5);
            -webkit-backdrop-filter: blur(24px) saturate(1.5);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--max-width);
        }

        .nav .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .nav .logo .logo-icon {
            color: var(--accent);
            font-size: 26px;
        }

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

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

        .nav-links a {
            padding: 8px 18px;
            border-radius: var(--radius-xs);
            font-size: 15px;
            font-weight: 500;
            color: var(--text-soft);
            transition: var(--transition);
            position: relative;
        }

        .nav-links a:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: var(--accent);
            background: rgba(245, 200, 66, 0.10);
        }

        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 4px;
            background: var(--accent);
        }

        .nav-links .nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 16px rgba(26, 107, 60, 0.35);
            border: 1px solid rgba(255, 255, 255, 0.10);
        }

        .nav-links .nav-cta:hover {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            transform: translateY(-1px);
            box-shadow: 0 6px 24px rgba(26, 107, 60, 0.45);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            font-size: 26px;
            color: var(--text);
            background: none;
            border: none;
            padding: 4px;
            cursor: pointer;
            transition: var(--transition);
        }

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

            .nav-links {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.98);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid var(--border);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }

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

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

            .nav-links .nav-cta {
                justify-content: center;
                margin-top: 8px;
            }
        }

        /* ===== Page Hero ===== */
        .page-hero {
            padding: 140px 0 80px;
            background: linear-gradient(160deg, #0a0e17 0%, #0f1a2e 50%, #0a0e17 100%);
            position: relative;
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.20;
            z-index: 0;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(26, 107, 60, 0.20), transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(245, 200, 66, 0.08), transparent 50%);
            z-index: 1;
        }

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

        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 40%, var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .page-hero p {
            font-size: 20px;
            color: var(--text-soft);
            max-width: 680px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

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

        .page-hero .hero-tags .tag {
            padding: 6px 18px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--border);
            font-size: 14px;
            color: var(--text-soft);
            backdrop-filter: blur(4px);
        }

        .page-hero .hero-tags .tag i {
            color: var(--accent);
            margin-right: 6px;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 120px 0 60px;
                min-height: 300px;
            }
            .page-hero h1 {
                font-size: 32px;
            }
            .page-hero p {
                font-size: 16px;
            }
        }

        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero p {
                font-size: 15px;
            }
        }

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

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--accent);
            background: rgba(245, 200, 66, 0.10);
            padding: 4px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
            border: 1px solid rgba(245, 200, 66, 0.12);
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 18px;
            color: var(--text-soft);
            max-width: 640px;
            line-height: 1.6;
            margin-bottom: 40px;
        }

        .section-title.centered,
        .section-desc.centered,
        .section-label.centered {
            text-align: center;
            margin-left: auto;
            margin-right: auto;
        }

        @media (max-width: 768px) {
            section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 28px;
            }
            .section-desc {
                font-size: 16px;
            }
        }

        /* ===== Cards Grid ===== */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px 24px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

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

        .card .card-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(26, 107, 60, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent);
            margin-bottom: 16px;
        }

        .card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .card p {
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.6;
        }

        .card .card-tag {
            display: inline-block;
            margin-top: 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(26, 107, 60, 0.12);
            padding: 2px 12px;
            border-radius: 50px;
        }

        .card .card-img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            background: var(--bg-alt);
        }

        .card-featured {
            background: linear-gradient(145deg, #1a2235, #1e2a42);
            border-color: rgba(245, 200, 66, 0.15);
        }

        .card-featured::before {
            content: '🔥 推荐';
            position: absolute;
            top: 14px;
            right: 14px;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 50px;
            background: rgba(245, 200, 66, 0.15);
            color: var(--accent);
            border: 1px solid rgba(245, 200, 66, 0.12);
        }

        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .cards-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .card {
                padding: 20px 18px;
            }
            .card .card-img {
                height: 150px;
            }
        }

        /* ===== Match Timeline ===== */
        .timeline {
            position: relative;
            padding-left: 40px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 16px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, var(--primary), var(--accent), var(--primary));
            opacity: 0.5;
        }

        .timeline-item {
            position: relative;
            padding: 20px 0 20px 20px;
            border-left: 2px solid transparent;
            transition: var(--transition);
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -30px;
            top: 28px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--primary);
            border: 3px solid var(--bg);
            box-shadow: 0 0 0 4px rgba(26, 107, 60, 0.25);
        }

        .timeline-item.final::before {
            background: var(--accent);
            box-shadow: 0 0 0 4px rgba(245, 200, 66, 0.25);
        }

        .timeline-item .tl-time {
            font-size: 13px;
            font-weight: 600;
            color: var(--text-muted);
            letter-spacing: 0.04em;
            margin-bottom: 4px;
        }

        .timeline-item h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .timeline-item p {
            font-size: 15px;
            color: var(--text-soft);
        }

        @media (max-width: 640px) {
            .timeline {
                padding-left: 28px;
            }
            .timeline-item {
                padding-left: 12px;
            }
            .timeline-item::before {
                left: -22px;
                width: 12px;
                height: 12px;
            }
            .timeline-item h4 {
                font-size: 16px;
            }
        }

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

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

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

        .faq-question {
            padding: 18px 22px;
            font-size: 17px;
            font-weight: 600;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            transition: var(--transition);
            user-select: none;
            background: none;
            width: 100%;
            text-align: left;
            color: var(--text);
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-question i {
            font-size: 20px;
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
        }

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

        .faq-answer {
            padding: 0 22px 18px;
            font-size: 15px;
            color: var(--text-soft);
            line-height: 1.7;
            display: none;
        }

        .faq-answer.open {
            display: block;
        }

        @media (max-width: 640px) {
            .faq-question {
                font-size: 15px;
                padding: 14px 16px;
            }
            .faq-answer {
                padding: 0 16px 14px;
                font-size: 14px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, #0f1a2e, #0a0e17);
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
            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: 0.08;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            font-size: 18px;
            color: var(--text-soft);
            max-width: 560px;
            margin: 0 auto 28px;
        }

        .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 17px;
            font-weight: 700;
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            color: #0a0e17;
            transition: var(--transition);
            box-shadow: 0 8px 28px rgba(245, 200, 66, 0.25);
            border: none;
        }

        .cta-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 36px rgba(245, 200, 66, 0.35);
            color: #0a0e17;
        }

        @media (max-width: 768px) {
            .cta-section h2 {
                font-size: 28px;
            }
            .cta-section p {
                font-size: 16px;
            }
            .cta-btn {
                padding: 12px 28px;
                font-size: 15px;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: #070b12;
            padding: 60px 0 30px;
            border-top: 1px solid var(--border);
        }

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

        .footer-brand .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 14px;
        }

        .footer-brand .logo .logo-icon {
            color: var(--accent);
            font-size: 22px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text);
        }

        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-muted);
            padding: 5px 0;
            transition: var(--transition);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            text-align: center;
            font-size: 14px;
            color: var(--text-muted);
        }

        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 640px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer {
                padding: 40px 0 20px;
            }
            .footer-brand p {
                max-width: 100%;
            }
        }

        /* ===== Stats Row ===== */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .stat-item {
            text-align: center;
            padding: 24px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .stat-item:hover {
            border-color: var(--border-light);
            transform: translateY(-2px);
        }

        .stat-item .stat-number {
            font-size: 36px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.1;
            margin-bottom: 4px;
        }

        .stat-item .stat-label {
            font-size: 14px;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .stats-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .stat-item .stat-number {
                font-size: 28px;
            }
        }

        @media (max-width: 420px) {
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mb-8 {
            margin-bottom: 8px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .mb-40 {
            margin-bottom: 40px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        /* ===== Cover Image Block ===== */
        .cover-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .cover-block .cover-img {
            border-radius: var(--radius);
            object-fit: cover;
            width: 100%;
            height: 340px;
            background: var(--bg-alt);
            box-shadow: var(--shadow-sm);
        }

        .cover-block .cover-content h3 {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cover-block .cover-content p {
            font-size: 16px;
            color: var(--text-soft);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        .cover-block .cover-content .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .cover-block .cover-content .tag-list .tag {
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }

        @media (max-width: 768px) {
            .cover-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cover-block .cover-img {
                height: 220px;
            }
            .cover-block .cover-content h3 {
                font-size: 22px;
            }
            .cover-block.reverse {
                direction: ltr;
            }
        }

        .cover-block.reverse .cover-img {
            order: 1;
        }
        .cover-block.reverse .cover-content {
            order: 0;
        }

        @media (min-width: 769px) {
            .cover-block.reverse {
                direction: rtl;
            }
            .cover-block.reverse .cover-content {
                direction: ltr;
            }
            .cover-block.reverse .cover-img {
                direction: ltr;
            }
        }

        /* ===== Guide Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            counter-reset: step-counter;
        }

        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }

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

        .step-card .step-number {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin: 0 auto 16px;
        }

        .step-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--text-soft);
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== Table ===== */
        .table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            background: var(--bg-card);
        }

        .table-wrap table {
            width: 100%;
            border-collapse: collapse;
            font-size: 15px;
        }

        .table-wrap th {
            background: rgba(26, 107, 60, 0.15);
            color: var(--text);
            font-weight: 600;
            padding: 14px 18px;
            text-align: left;
            border-bottom: 1px solid var(--border);
        }

        .table-wrap td {
            padding: 12px 18px;
            border-bottom: 1px solid var(--border);
            color: var(--text-soft);
        }

        .table-wrap tr:last-child td {
            border-bottom: none;
        }

        .table-wrap tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        .table-wrap .badge {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
        }

        .badge-live {
            background: rgba(239, 68, 68, 0.15);
            color: #f87171;
        }
        .badge-upcoming {
            background: rgba(245, 200, 66, 0.12);
            color: var(--accent);
        }
        .badge-ended {
            background: rgba(255, 255, 255, 0.05);
            color: var(--text-muted);
        }

        @media (max-width: 640px) {
            .table-wrap table {
                font-size: 13px;
            }
            .table-wrap th,
            .table-wrap td {
                padding: 10px 12px;
            }
        }

        /* ===== Live Indicator ===== */
        .live-indicator {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: #f87171;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        .live-indicator .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #ef4444;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.85);
            }
        }

        /* ===== Responsive fine-tune ===== */
        @media (max-width: 768px) {
            .nav .logo {
                font-size: 18px;
            }
            .nav .logo .logo-icon {
                font-size: 20px;
            }
        }

        @media (max-width: 520px) {
            .nav .logo {
                font-size: 16px;
                gap: 6px;
            }
            .nav .logo .logo-icon {
                font-size: 18px;
            }
            .page-hero h1 {
                font-size: 22px;
            }
            .section-title {
                font-size: 24px;
            }
        }

/* roulang page: article */
:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --accent: #2563eb;
  --accent-hover: #1d4ed8;
  --gold: #f59e0b;
  --gold-light: #fbbf24;
  --bg: #f8fafc;
  --bg-alt: #f1f5f9;
  --card: #ffffff;
  --text: #1e293b;
  --text-weak: #64748b;
  --text-inverse: #f8fafc;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-xs: 6px;
  --shadow: 0 4px 24px rgba(0,0,0,0.06);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.10);
  --shadow-btn: 0 4px 14px rgba(37,99,235,0.30);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --nav-height: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; transition: color var(--transition); }
a:hover, a:focus { color: var(--accent-hover); }
a:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; border-radius: var(--radius-xs); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: 1rem; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* ===== Header / Nav ===== */
.header {
  position: fixed; top: 0; left: 0; width: 100%; z-index: 1000;
  background: rgba(15,23,42,0.72);
  backdrop-filter: blur(18px) saturate(1.4);
  -webkit-backdrop-filter: blur(18px) saturate(1.4);
  border-bottom: 1px solid rgba(255,255,255,0.07);
  transition: background var(--transition), box-shadow var(--transition);
  height: var(--nav-height);
}
.header.scrolled {
  background: rgba(15,23,42,0.94);
  box-shadow: 0 4px 30px rgba(0,0,0,0.25);
}
.nav {
  display: flex; align-items: center; justify-content: space-between;
  height: var(--nav-height); gap: 12px;
}
.nav-logo {
  display: flex; align-items: center; gap: 10px;
  font-size: 1.25rem; font-weight: 700; color: var(--text-inverse);
  white-space: nowrap;
}
.nav-logo .logo-icon { color: var(--gold); font-size: 1.5rem; }
.nav-logo:hover { color: var(--gold-light); }
.nav-links { display: flex; align-items: center; gap: 6px; list-style: none; }
.nav-links a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 18px; border-radius: var(--radius-sm);
  color: rgba(255,255,255,0.75); font-weight: 500; font-size: 0.95rem;
  transition: all var(--transition); position: relative;
}
.nav-links a:hover, .nav-links a:focus { color: #fff; background: rgba(255,255,255,0.08); }
.nav-links a.active { color: #fff; background: rgba(255,255,255,0.12); }
.nav-links a.active::after {
  content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
  width: 20px; height: 3px; border-radius: 4px; background: var(--gold);
}
.nav-cta {
  background: var(--accent) !important; color: #fff !important;
  padding: 8px 22px !important; border-radius: var(--radius-sm) !important;
  box-shadow: var(--shadow-btn); font-weight: 600 !important;
}
.nav-cta:hover { background: var(--accent-hover) !important; transform: translateY(-1px); box-shadow: 0 6px 20px rgba(37,99,235,0.35); }
.nav-toggle { display: none; flex-direction: column; gap: 5px; cursor: pointer; background: none; border: none; padding: 8px; }
.nav-toggle span { display: block; width: 24px; height: 2px; background: #fff; border-radius: 4px; transition: var(--transition); }
@media (max-width: 768px) {
  .nav-links {
    position: fixed; top: var(--nav-height); left: 0; width: 100%;
    flex-direction: column; background: rgba(15,23,42,0.98);
    backdrop-filter: blur(18px); padding: 16px 24px 24px;
    gap: 4px; border-bottom: 1px solid rgba(255,255,255,0.06);
    transform: translateY(-120%); opacity: 0; pointer-events: none;
    transition: all 0.35s ease;
  }
  .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: all; }
  .nav-links a { width: 100%; justify-content: center; padding: 12px 18px; }
  .nav-toggle { display: flex; }
  .nav-logo { font-size: 1.1rem; }
}

/* ===== Article Main ===== */
.article-wrapper {
  margin-top: var(--nav-height);
  padding-top: 40px;
  padding-bottom: 60px;
}
.article-banner {
  position: relative; height: 340px; border-radius: var(--radius);
  overflow: hidden; background: var(--primary); margin-bottom: 40px;
  display: flex; align-items: flex-end; justify-content: center;
}
.article-banner img { 
  position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; 
  opacity: 0.5; 
}
.article-banner-overlay {
  position: relative; z-index: 2; padding: 40px 32px 32px; text-align: center;
  background: linear-gradient(transparent, rgba(0,0,0,0.7));
  width: 100%;
}
.article-banner-overlay .badge {
  display: inline-block; background: var(--gold); color: var(--primary);
  padding: 4px 16px; border-radius: 20px; font-size: 0.8rem; font-weight: 600;
  margin-bottom: 12px;
}
.article-banner-overlay h1 {
  font-size: 1.8rem; font-weight: 700; color: #fff; line-height: 1.3;
  max-width: 800px; margin: 0 auto 8px;
}
.article-banner-overlay .meta {
  color: rgba(255,255,255,0.7); font-size: 0.9rem; display: flex;
  align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap;
}
.article-banner-overlay .meta i { margin-right: 4px; }
@media (max-width: 768px) {
  .article-banner { height: 260px; }
  .article-banner-overlay { padding: 24px 16px 20px; }
  .article-banner-overlay h1 { font-size: 1.4rem; }
}

.article-container {
  max-width: 820px; margin: 0 auto; padding: 0 24px;
}
.article-body {
  background: var(--card); border-radius: var(--radius);
  padding: 40px 48px; box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.article-body .content {
  font-size: 1.05rem; line-height: 1.9; color: var(--text);
}
.article-body .content p { margin-bottom: 1.4em; }
.article-body .content h2, 
.article-body .content h3 { margin-top: 1.6em; margin-bottom: 0.6em; font-weight: 600; color: var(--primary); }
.article-body .content h2 { font-size: 1.4rem; }
.article-body .content h3 { font-size: 1.2rem; }
.article-body .content ul, 
.article-body .content ol { margin: 1em 0; padding-left: 1.6em; }
.article-body .content li { margin-bottom: 0.4em; }
.article-body .content blockquote {
  border-left: 4px solid var(--accent); background: var(--bg-alt);
  padding: 14px 20px; margin: 1.4em 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-style: italic; color: var(--text-weak);
}
.article-body .content a { color: var(--accent); text-decoration: underline; }
.article-body .content img { border-radius: var(--radius-sm); margin: 1.4em auto; }
.article-body .content table { width: 100%; border-collapse: collapse; margin: 1.4em 0; }
.article-body .content th, 
.article-body .content td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-body .content th { background: var(--bg-alt); font-weight: 600; }
@media (max-width: 768px) {
  .article-body { padding: 24px 20px; }
  .article-body .content { font-size: 1rem; }
  .article-container { padding: 0 16px; }
}

/* ===== Post Nav ===== */
.post-nav {
  display: flex; justify-content: space-between; gap: 16px;
  margin-top: 32px; flex-wrap: wrap;
}
.post-nav a {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 20px; background: var(--card); border-radius: var(--radius-sm);
  border: 1px solid var(--border); font-size: 0.9rem; font-weight: 500;
  color: var(--text); transition: all var(--transition); box-shadow: var(--shadow);
}
.post-nav a:hover { border-color: var(--accent); color: var(--accent); transform: translateY(-2px); }

/* ===== Sections ===== */
.section {
  padding: 60px 0;
}
.section-title {
  font-size: 1.6rem; font-weight: 700; color: var(--primary);
  margin-bottom: 8px; text-align: center;
}
.section-sub {
  text-align: center; color: var(--text-weak); max-width: 600px;
  margin: 0 auto 36px; font-size: 1rem;
}

/* ===== Cards ===== */
.card-grid {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
  gap: 24px;
}
.card {
  background: var(--card); border-radius: var(--radius);
  overflow: hidden; border: 1px solid var(--border);
  box-shadow: var(--shadow); transition: all var(--transition);
}
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
.card-img { width: 100%; height: 180px; object-fit: cover; display: block; }
.card-body { padding: 18px 20px 22px; }
.card-body h3 { font-size: 1.05rem; font-weight: 600; margin-bottom: 6px; line-height: 1.4; }
.card-body h3 a { color: var(--text); }
.card-body h3 a:hover { color: var(--accent); }
.card-body p { font-size: 0.9rem; color: var(--text-weak); line-height: 1.6; }
.card-body .meta { font-size: 0.8rem; color: var(--text-weak); margin-top: 10px; display: flex; gap: 12px; }

/* ===== FAQ ===== */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item {
  background: var(--card); border-radius: var(--radius-sm);
  border: 1px solid var(--border); margin-bottom: 12px;
  overflow: hidden; transition: box-shadow var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-q {
  padding: 16px 22px; font-weight: 600; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
  color: var(--text); font-size: 1rem; transition: background var(--transition);
  user-select: none;
}
.faq-q:hover { background: var(--bg-alt); }
.faq-q i { color: var(--accent); transition: transform var(--transition); font-size: 0.85rem; }
.faq-item.open .faq-q i { transform: rotate(180deg); }
.faq-a {
  max-height: 0; overflow: hidden; transition: max-height 0.4s ease, padding 0.3s ease;
  padding: 0 22px; color: var(--text-weak); line-height: 1.7; font-size: 0.95rem;
}
.faq-item.open .faq-a { max-height: 300px; padding: 0 22px 18px; }

/* ===== CTA ===== */
.cta-block {
  background: linear-gradient(135deg, var(--primary) 0%, #1a2744 100%);
  border-radius: var(--radius); padding: 48px 40px; text-align: center;
  position: relative; overflow: hidden;
}
.cta-block::before {
  content: ''; position: absolute; inset: 0;
  background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity: 0.08; pointer-events: none;
}
.cta-block h2 { font-size: 1.6rem; font-weight: 700; color: #fff; margin-bottom: 10px; position: relative; }
.cta-block p { color: rgba(255,255,255,0.75); max-width: 520px; margin: 0 auto 24px; position: relative; }
.cta-block .btn {
  display: inline-flex; align-items: center; gap: 10px;
  padding: 14px 36px; border-radius: var(--radius-sm);
  background: var(--gold); color: var(--primary); font-weight: 700;
  font-size: 1.05rem; transition: all var(--transition);
  box-shadow: 0 6px 24px rgba(245,158,11,0.35); position: relative;
}
.cta-block .btn:hover { background: var(--gold-light); transform: translateY(-2px); box-shadow: 0 10px 32px rgba(245,158,11,0.45); }
@media (max-width: 768px) {
  .cta-block { padding: 32px 20px; }
  .cta-block h2 { font-size: 1.3rem; }
}

/* ===== Not Found ===== */
.not-found {
  text-align: center; padding: 80px 24px;
}
.not-found i { font-size: 3.5rem; color: var(--text-weak); margin-bottom: 16px; }
.not-found h2 { font-size: 1.5rem; font-weight: 600; margin-bottom: 8px; }
.not-found p { color: var(--text-weak); margin-bottom: 24px; }
.not-found .btn { display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px; border-radius: var(--radius-sm); background: var(--accent); color: #fff; font-weight: 600; transition: all var(--transition); }
.not-found .btn:hover { background: var(--accent-hover); transform: translateY(-2px); }

/* ===== Footer ===== */
.footer {
  background: var(--primary); color: rgba(255,255,255,0.7);
  padding: 48px 0 24px; margin-top: 40px;
}
.footer-grid {
  display: grid; grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 32px; margin-bottom: 32px;
}
.footer-brand .logo { display: inline-flex; align-items: center; gap: 10px; font-size: 1.2rem; font-weight: 700; color: #fff; margin-bottom: 12px; }
.footer-brand .logo .logo-icon { color: var(--gold); }
.footer-brand p { font-size: 0.9rem; line-height: 1.7; max-width: 360px; }
.footer-col h4 { color: #fff; font-size: 0.95rem; font-weight: 600; margin-bottom: 14px; }
.footer-col a { display: block; color: rgba(255,255,255,0.6); font-size: 0.9rem; padding: 4px 0; transition: color var(--transition); }
.footer-col a:hover { color: var(--gold-light); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 20px; text-align: center; font-size: 0.85rem;
  color: rgba(255,255,255,0.4);
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; text-align: center; }
  .footer-brand p { max-width: 100%; }
}

/* ===== Misc ===== */
.text-center { text-align: center; }
.mt-16 { margin-top: 16px; }
.mt-24 { margin-top: 24px; }
.mt-32 { margin-top: 32px; }
.mb-16 { margin-bottom: 16px; }
.mb-24 { margin-bottom: 24px; }
.btn-back-home {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 10px 24px; border-radius: var(--radius-sm);
  background: var(--bg-alt); border: 1px solid var(--border);
  color: var(--text); font-weight: 500; transition: all var(--transition);
}
.btn-back-home:hover { background: var(--card); border-color: var(--accent); color: var(--accent); }