/* roulang page: index */
:root {
  --primary: #1a56db;
  --primary-dark: #1e40af;
  --primary-light: #dbeafe;
  --primary-lighter: #eff6ff;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --bg-body: #f5f7fb;
  --bg-white: #ffffff;
  --bg-deep: #0f1b3d;
  --text-main: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius-lg: 24px;
  --radius-md: 16px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(30, 41, 59, 0.06);
  --shadow-md: 0 10px 30px rgba(30, 41, 59, 0.09);
  --shadow-lg: 0 20px 50px rgba(30, 41, 59, 0.14);
  --transition: all 0.3s ease;
  --font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font-family); background: var(--bg-body); color: var(--text-main); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; display: block; height: auto; }
button { font-family: inherit; cursor: pointer; }
input { font-family: inherit; }
ul, ol { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }

/* ===== Header & Nav ===== */
.site-header {
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 1000;
  padding: 10px 0;
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}
.brand-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--primary-dark);
  white-space: nowrap;
  letter-spacing: -0.02em;
}
.brand-logo i {
  color: var(--accent);
  font-size: 1.5rem;
}
.nav-panel {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 50px;
  display: flex;
  align-items: center;
  padding: 4px;
  box-shadow: var(--shadow-sm);
  gap: 2px;
}
.nav-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 8px 14px;
  border-radius: 40px;
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--text-muted);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-item i {
  font-size: 0.9rem;
  opacity: 0.75;
}
.nav-item:hover {
  background: var(--primary-lighter);
  color: var(--primary);
}
.nav-item.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(26, 86, 219, 0.3);
}
.header-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 22px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 0.92rem;
  color: #fff;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  box-shadow: 0 4px 16px rgba(26, 86, 219, 0.3);
  transition: var(--transition);
  white-space: nowrap;
}
.header-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(26, 86, 219, 0.4);
  color: #fff;
}
.nav-toggle {
  display: none;
  background: none;
  border: 1px solid var(--border);
  border-radius: 10px;
  width: 44px;
  height: 40px;
  font-size: 1.1rem;
  color: var(--text-main);
  align-items: center;
  justify-content: center;
}

/* ===== Hero ===== */
.hero {
  position: relative;
  padding: 120px 0 100px;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  color: #fff;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 27, 61, 0.88), rgba(26, 86, 219, 0.72));
}
.hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,0.15);
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 40px;
  padding: 6px 18px;
  font-size: 0.85rem;
  font-weight: 600;
  backdrop-filter: blur(4px);
  margin-bottom: 18px;
}
.hero-badge i { color: var(--accent); }
.hero h1 {
  font-size: 3.2rem;
  font-weight: 800;
  line-height: 1.2;
  margin-bottom: 18px;
  letter-spacing: -0.02em;
}
.hero-desc {
  font-size: 1.15rem;
  max-width: 640px;
  color: rgba(255,255,255,0.9);
  margin-bottom: 36px;
  line-height: 1.8;
}
.hero-btns { display: flex; flex-wrap: wrap; gap: 14px; }
.btn-light-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 14px 30px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 1rem;
  border: none;
  transition: var(--transition);
}
.btn-light-custom.primary {
  background: var(--accent);
  color: var(--bg-deep);
  box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4);
}
.btn-light-custom.primary:hover { transform: translateY(-3px); box-shadow: 0 10px 30px rgba(245, 158, 11, 0.5); }
.btn-light-custom.outline {
  background: transparent;
  color: #fff;
  border: 2px solid rgba(255,255,255,0.6);
}
.btn-light-custom.outline:hover { background: rgba(255,255,255,0.12); border-color: #fff; transform: translateY(-3px); }
.hero-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 40px;
  margin-top: 60px;
  padding-top: 36px;
  border-top: 1px solid rgba(255,255,255,0.2);
}
.hero-stat h3 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 2px;
}
.hero-stat span { font-size: 0.9rem; color: rgba(255,255,255,0.7); }

/* ===== Section ===== */
.section-padding { padding: 90px 0; }
.section-alt { background: var(--bg-white); }
.section-head {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 60px;
}
.section-head .s-tag {
  display: inline-block;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 16px;
  border-radius: 40px;
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.section-head h2 {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: -0.01em;
}
.section-head p { color: var(--text-muted); font-size: 1.05rem; }

/* ===== Features ===== */
.feature-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.feature-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 36px 28px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.feature-card::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: var(--transition);
}
.feature-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.feature-card:hover::after { opacity: 1; }
.f-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.5rem;
  margin-bottom: 22px;
}
.f-icon.blue { background: var(--primary-light); color: var(--primary); }
.f-icon.amber { background: var(--accent-light); color: var(--accent); }
.f-icon.green { background: #d1fae5; color: #059669; }
.f-icon.purple { background: #ede9fe; color: #7c3aed; }
.feature-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
.feature-card p { color: var(--text-muted); font-size: 0.93rem; line-height: 1.7; }

/* ===== Categories ===== */
.category-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.category-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}
.category-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); border-color: transparent; }
.category-card .card-img { height: 180px; overflow: hidden; position: relative; }
.category-card .card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.category-card:hover .card-img img { transform: scale(1.06); }
.category-card .card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 30%, rgba(15, 27, 61, 0.5));
}
.category-card .card-body { padding: 28px; display: flex; flex-direction: column; flex: 1; }
.category-card h3 { font-size: 1.25rem; font-weight: 700; margin-bottom: 10px; }
.category-card p { color: var(--text-muted); font-size: 0.93rem; line-height: 1.7; margin-bottom: 18px; flex: 1; }
.card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 700;
  font-size: 0.9rem;
  color: var(--primary);
}
.card-link:hover { color: var(--primary-dark); gap: 12px; }
.card-tag {
  position: absolute;
  z-index: 2;
  top: 14px;
  left: 14px;
  background: rgba(255,255,255,0.92);
  color: var(--primary-dark);
  font-size: 0.78rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 40px;
  backdrop-filter: blur(4px);
  box-shadow: var(--shadow-sm);
}

/* ===== News List ===== */
.news-layout { display: grid; grid-template-columns: 1fr 340px; gap: 36px; align-items: start; }
.news-main { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 32px; box-shadow: var(--shadow-sm); }
.news-main-head { display: flex; justify-content: space-between; align-items: center; margin-bottom: 24px; padding-bottom: 18px; border-bottom: 1px solid var(--border); }
.news-main-head h2 { font-size: 1.3rem; font-weight: 800; }
.news-main-head a { font-size: 0.88rem; color: var(--primary); font-weight: 600; }
.news-list { display: flex; flex-direction: column; gap: 0; }
.news-item {
  display: flex;
  gap: 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--border);
  transition: background 0.2s ease;
}
.news-item:last-child { border-bottom: none; }
.news-item:hover { background: var(--primary-lighter); padding-left: 10px; padding-right: 10px; border-radius: 12px; }
.news-date-box {
  flex-shrink: 0;
  width: 56px;
  height: 56px;
  border-radius: 14px;
  background: var(--primary-lighter);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: var(--primary);
}
.news-date-box .d { font-size: 1.3rem; line-height: 1; }
.news-date-box .m { font-size: 0.75rem; margin-top: 2px; }
.news-item-body { flex: 1; }
.news-item-body h3 { font-size: 1.05rem; font-weight: 700; margin-bottom: 6px; line-height: 1.5; }
.news-item-body h3 a:hover { color: var(--primary); }
.news-item-body p { font-size: 0.9rem; color: var(--text-muted); line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-meta { display: flex; align-items: center; gap: 14px; margin-top: 8px; font-size: 0.8rem; color: var(--text-muted); }
.news-meta .cat-badge {
  background: var(--accent-light);
  color: #b45309;
  padding: 2px 10px;
  border-radius: 30px;
  font-weight: 700;
  font-size: 0.75rem;
}
.news-aside { display: flex; flex-direction: column; gap: 24px; }
.aside-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  box-shadow: var(--shadow-sm);
}
.aside-card h3 { font-size: 1.1rem; font-weight: 800; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; }
.aside-card h3 i { color: var(--primary); }
.aside-links { display: flex; flex-direction: column; gap: 6px; }
.aside-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 14px;
  border-radius: 10px;
  font-size: 0.9rem;
  font-weight: 600;
  color: var(--text-main);
  transition: var(--transition);
  background: var(--bg-body);
}
.aside-links a:hover { background: var(--primary); color: #fff; transform: translateX(4px); }
.aside-links a i { font-size: 0.8rem; opacity: 0.6; }
.aside-notice {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 28px;
  position: relative;
  overflow: hidden;
}
.aside-notice h4 { font-size: 1.1rem; font-weight: 800; margin-bottom: 10px; }
.aside-notice p { font-size: 0.88rem; color: rgba(255,255,255,0.85); margin-bottom: 18px; }
.aside-notice a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: var(--accent);
  color: var(--bg-deep);
  padding: 8px 18px;
  border-radius: 40px;
  font-weight: 700;
  font-size: 0.85rem;
}
.aside-notice a:hover { transform: translateY(-2px); box-shadow: 0 6px 20px rgba(245, 158, 11, 0.4); }

/* ===== Stats ===== */
.stats-section {
  position: relative;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  padding: 90px 0;
  color: #fff;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(15, 27, 61, 0.88);
}
.stats-section .container { position: relative; z-index: 2; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.stats-item { padding: 30px 20px; border-radius: var(--radius-lg); background: rgba(255,255,255,0.08); border: 1px solid rgba(255,255,255,0.12); backdrop-filter: blur(4px); transition: var(--transition); }
.stats-item:hover { background: rgba(255,255,255,0.14); transform: translateY(-4px); }
.stats-item i { font-size: 2rem; color: var(--accent); margin-bottom: 14px; }
.stats-item h3 { font-size: 2.4rem; font-weight: 800; line-height: 1; margin-bottom: 8px; }
.stats-item p { font-size: 0.9rem; color: rgba(255,255,255,0.8); margin-bottom: 0; }

/* ===== Showcase ===== */
.showcase-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 60px;
  align-items: center;
  margin-bottom: 80px;
}
.showcase-row:last-child { margin-bottom: 0; }
.showcase-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-lg); }
.showcase-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.showcase-img:hover img { transform: scale(1.03); }
.showcase-content .s-tag { font-size: 0.82rem; font-weight: 700; color: var(--primary); background: var(--primary-light); padding: 4px 14px; border-radius: 40px; display: inline-block; margin-bottom: 14px; }
.showcase-content h2 { font-size: 2rem; font-weight: 800; line-height: 1.3; margin-bottom: 16px; }
.showcase-content p { color: var(--text-muted); font-size: 1rem; line-height: 1.8; margin-bottom: 20px; }
.showcase-list { display: flex; flex-direction: column; gap: 12px; }
.showcase-list li { display: flex; align-items: flex-start; gap: 12px; font-size: 0.95rem; color: var(--text-main); }
.showcase-list li i { color: var(--primary); margin-top: 4px; }

/* ===== Process ===== */
.process-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 28px; }
.process-card {
  text-align: center;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 40px 24px;
  position: relative;
  transition: var(--transition);
}
.process-card:hover { box-shadow: var(--shadow-md); transform: translateY(-6px); }
.process-num {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 1.3rem;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  box-shadow: 0 6px 20px rgba(26, 86, 219, 0.3);
}
.process-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 10px; }
.process-card p { font-size: 0.88rem; color: var(--text-muted); line-height: 1.7; }
.process-line { display: none; }

/* ===== FAQ ===== */
.faq-wrap { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow-md); border-color: transparent; }
.faq-question {
  padding: 22px 28px;
  font-weight: 700;
  font-size: 1.05rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  cursor: pointer;
  background: none;
  border: none;
  width: 100%;
  text-align: left;
  color: var(--text-main);
}
.faq-question i { color: var(--primary); transition: transform 0.3s ease; font-size: 1rem; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer {
  padding: 0 28px;
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  color: var(--text-muted);
  font-size: 0.95rem;
  line-height: 1.8;
}
.faq-item.open .faq-answer { padding: 0 28px 24px; max-height: 300px; }

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  padding: 90px 0;
  color: #fff;
  text-align: center;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15, 27, 61, 0.9), rgba(26, 86, 219, 0.78));
}
.cta-section .container { position: relative; z-index: 2; }
.cta-section h2 { font-size: 2.4rem; font-weight: 800; margin-bottom: 16px; }
.cta-section p { font-size: 1.1rem; color: rgba(255,255,255,0.9); max-width: 600px; margin: 0 auto 34px; }
.cta-btns { display: flex; gap: 16px; justify-content: center; }

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-deep);
  color: #94a3b8;
  padding: 80px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr; gap: 48px; padding-bottom: 50px; }
.footer-brand h3 {
  color: #fff;
  font-size: 1.4rem;
  font-weight: 800;
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-brand h3 i { color: var(--accent); }
.footer-brand p { font-size: 0.9rem; line-height: 1.8; max-width: 320px; }
.footer-col h4 {
  color: #fff;
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 20px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h4::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 30px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col ul li a { font-size: 0.9rem; color: #94a3b8; transition: var(--transition); }
.footer-col ul li a:hover { color: var(--accent); padding-left: 4px; }
.footer-contact li { display: flex; align-items: flex-start; gap: 10px; font-size: 0.9rem; }
.footer-contact i { color: var(--accent); margin-top: 5px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  padding: 24px 0;
  font-size: 0.85rem;
  color: #64748b;
  text-align: center;
}
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: var(--accent); }

/* ===== Back to top ===== */
.back-top {
  position: fixed;
  bottom: 30px;
  right: 30px;
  width: 48px;
  height: 48px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  border: none;
  font-size: 1.1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: var(--shadow-md);
  transition: var(--transition);
  opacity: 0;
  visibility: hidden;
  z-index: 999;
}
.back-top.show { opacity: 1; visibility: visible; }
.back-top:hover { background: var(--primary-dark); transform: translateY(-4px); }

/* ===== Responsive ===== */
@media (max-width: 991.98px) {
  .feature-grid { grid-template-columns: repeat(2, 1fr); }
  .category-grid { grid-template-columns: repeat(2, 1fr); }
  .news-layout { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .showcase-row { grid-template-columns: 1fr; gap: 40px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero { padding: 80px 0 60px; }
  .hero h1 { font-size: 2.6rem; }
  .nav-panel { display: none; }
  .nav-toggle { display: flex; }
  .header-cta { display: none; }
  .mobile-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 300px;
    height: 100vh;
    background: var(--bg-white);
    box-shadow: -10px 0 40px rgba(0,0,0,0.1);
    z-index: 1100;
    padding: 30px;
    transition: right 0.4s ease;
    display: flex;
    flex-direction: column;
    gap: 8px;
  }
  .mobile-nav.open { right: 0; }
  .mobile-nav a {
    padding: 12px 16px;
    border-radius: 12px;
    font-weight: 600;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 12px;
  }
  .mobile-nav a.active { background: var(--primary); color: #fff; }
  .mobile-nav a:hover { background: var(--primary-lighter); }
  .mobile-nav-close {
    align-self: flex-end;
    background: none;
    border: none;
    font-size: 1.4rem;
    color: var(--text-muted);
    margin-bottom: 12px;
  }
  .mobile-overlay {
    position: fixed;
    inset: 0;
    background: rgba(15, 27, 61, 0.5);
    z-index: 1050;
    opacity: 0;
    visibility: hidden;
    transition: var(--transition);
  }
  .mobile-overlay.show { opacity: 1; visibility: visible; }
  .mobile-nav .mobile-cta {
    margin-top: 16px;
    background: var(--primary);
    color: #fff;
    text-align: center;
    justify-content: center;
    border-radius: 40px;
    padding: 14px;
  }
}
@media (max-width: 767.98px) {
  .section-padding { padding: 60px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 1.7rem; }
  .hero h1 { font-size: 2.1rem; }
  .hero-desc { font-size: 1rem; }
  .hero-stats { gap: 24px; margin-top: 40px; }
  .feature-grid { grid-template-columns: 1fr; }
  .category-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .process-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .cta-section { padding: 60px 0; }
  .cta-section h2 { font-size: 1.8rem; }
  .cta-btns { flex-direction: column; align-items: center; }
  .cta-btns .btn-light-custom { width: 100%; justify-content: center; }
  .news-main { padding: 20px; }
  .news-item { flex-direction: column; gap: 10px; }
  .news-item-body h3 { font-size: 1rem; }
  .showcase-row { gap: 30px; }
  .showcase-content h2 { font-size: 1.5rem; }
  .faq-question { font-size: 0.95rem; padding: 18px 20px; }
  .faq-answer { font-size: 0.9rem; }
  .back-top { right: 16px; bottom: 16px; width: 42px; height: 42px; }
}
@media (max-width: 520px) {
  .brand-logo { font-size: 1.1rem; }
  .hero { padding: 60px 0 50px; }
  .hero h1 { font-size: 1.8rem; }
  .hero-stat h3 { font-size: 1.5rem; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-item h3 { font-size: 1.8rem; }
  .aside-notice { padding: 22px; }
}

/* roulang page: category1 */
:root {
            --primary: #1e5eff;
            --primary-dark: #1648c8;
            --primary-light: #eaf0ff;
            --accent: #ffb020;
            --accent-light: #fff4e0;
            --bg: #f6f8fc;
            --bg-white: #ffffff;
            --bg-dark: #0f1f3d;
            --text: #1e293b;
            --text-weak: #64748b;
            --border: #e2e8f0;
            --radius: 20px;
            --radius-sm: 14px;
            --shadow: 0 12px 32px rgba(15, 31, 61, .08);
            --shadow-hover: 0 20px 44px rgba(15, 31, 61, .14);
            --transition: .25s ease;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", Roboto, -apple-system, BlinkMacSystemFont, sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-block {
            padding: 88px 0;
        }
        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 52px;
        }
        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 18px;
            border-radius: 32px;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: .4px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 14px;
            line-height: 1.3;
        }
        .section-head p {
            color: var(--text-weak);
            font-size: 16px;
        }
        .btn-custom-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 13px 30px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 15px;
            border: none;
            transition: all var(--transition);
        }
        .btn-custom-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(30, 94, 255, .28);
        }
        .btn-ghost {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .14);
            color: #fff;
            padding: 13px 28px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 15px;
            border: 1px solid rgba(255, 255, 255, .4);
            backdrop-filter: blur(6px);
            transition: all var(--transition);
        }
        .btn-ghost:hover {
            background: rgba(255, 255, 255, .26);
            color: #fff;
            transform: translateY(-2px);
        }
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: box-shadow var(--transition);
        }
        .site-header.scrolled {
            box-shadow: 0 10px 30px rgba(15, 31, 61, .06);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 76px;
        }
        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: var(--text);
            white-space: nowrap;
        }
        .brand-logo i {
            width: 40px;
            height: 40px;
            border-radius: 13px;
            background: linear-gradient(135deg, var(--primary) 0%, #06b6d4 100%);
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            box-shadow: 0 8px 18px rgba(30, 94, 255, .3);
        }
        .nav-panel {
            display: flex;
            align-items: center;
            gap: 6px;
            background: #eef2f7;
            border-radius: 44px;
            padding: 6px;
        }
        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            border-radius: 38px;
            color: var(--text-weak);
            font-weight: 600;
            font-size: 14px;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .nav-item i {
            font-size: 13px;
        }
        .nav-item:hover,
        .nav-item.active {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 6px 20px rgba(15, 31, 61, .08);
        }
        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: var(--primary);
            color: #fff;
            padding: 11px 22px;
            border-radius: 40px;
            font-size: 14px;
            font-weight: 700;
            white-space: nowrap;
            transition: all var(--transition);
        }
        .header-cta:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 12px 26px rgba(30, 94, 255, .28);
        }
        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            border-radius: 13px;
            background: #fff;
            color: var(--text);
            font-size: 18px;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }
        .hero-banner {
            position: relative;
            padding: 110px 0;
            color: #fff;
            background: linear-gradient(105deg, rgba(15, 31, 61, .94) 0%, rgba(30, 94, 255, .86) 55%, rgba(6, 182, 212, .76) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            overflow: hidden;
        }
        .hero-banner::after {
            content: "";
            position: absolute;
            right: -120px;
            top: 50%;
            width: 420px;
            height: 420px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .1);
            transform: translateY(-50%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .16);
            border: 1px solid rgba(255, 255, 255, .3);
            padding: 7px 18px;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 22px;
            backdrop-filter: blur(8px);
        }
        .hero-content h1 {
            font-size: 46px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
        }
        .hero-content p {
            font-size: 17px;
            color: rgba(255, 255, 255, .9);
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .guide-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 32px 26px;
            height: 100%;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: transparent;
        }
        .guide-icon {
            width: 56px;
            height: 56px;
            border-radius: 18px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
        }
        .guide-icon.blue {
            background: var(--primary-light);
            color: var(--primary);
        }
        .guide-icon.amber {
            background: var(--accent-light);
            color: #d97706;
        }
        .guide-icon.cyan {
            background: #e0f8fb;
            color: #0e9bb5;
        }
        .guide-icon.purple {
            background: #f0e8ff;
            color: #7b5cd6;
        }
        .guide-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .guide-card p {
            color: var(--text-weak);
            font-size: 14px;
            margin-bottom: 16px;
            line-height: 1.7;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            transition: gap var(--transition);
        }
        .card-link:hover {
            gap: 10px;
            color: var(--primary-dark);
        }
        .steps-row {
            position: relative;
        }
        .step-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 28px 30px;
            height: 100%;
            position: relative;
            box-shadow: var(--shadow);
            transition: all var(--transition);
        }
        .step-item::before {
            content: "";
            position: absolute;
            top: 36px;
            left: -20px;
            width: 40px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), transparent);
            opacity: .4;
        }
        .step-item:first-child::before {
            display: none;
        }
        .step-item:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-hover);
        }
        .step-num {
            font-size: 38px;
            font-weight: 800;
            line-height: 1;
            background: linear-gradient(135deg, var(--primary), #06b6d4);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }
        .step-body h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-body p {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        .feature-card {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            margin-bottom: 36px;
            transition: box-shadow var(--transition);
        }
        .feature-card:hover {
            box-shadow: var(--shadow-hover);
        }
        .feature-media {
            min-height: 320px;
            position: relative;
            overflow: hidden;
        }
        .feature-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .feature-card:hover .feature-media img {
            transform: scale(1.04);
        }
        .feature-body {
            padding: 48px 44px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-label {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 5px 14px;
            border-radius: 24px;
            font-size: 12px;
            font-weight: 700;
            align-self: flex-start;
            margin-bottom: 16px;
        }
        .feature-body h3 {
            font-size: 26px;
            font-weight: 800;
            margin-bottom: 14px;
            color: var(--text);
        }
        .feature-body p {
            color: var(--text-weak);
            margin-bottom: 20px;
            line-height: 1.8;
        }
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .feature-list li {
            padding: 7px 0;
            color: var(--text);
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .feature-list i {
            color: var(--primary);
            width: 22px;
            height: 22px;
            background: var(--primary-light);
            border-radius: 50%;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 11px;
        }
        .article-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .article-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .article-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
        }
        .article-thumb {
            height: 200px;
            overflow: hidden;
            position: relative;
        }
        .article-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }
        .article-card:hover .article-thumb img {
            transform: scale(1.06);
        }
        .article-info {
            padding: 24px 24px 28px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .article-meta {
            display: flex;
            gap: 10px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .article-meta span {
            background: var(--bg);
            border: 1px solid var(--border);
            color: var(--text-weak);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
        }
        .article-info h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 12px;
        }
        .article-info h3 a {
            color: var(--text);
        }
        .article-info h3 a:hover {
            color: var(--primary);
        }
        .article-info p {
            color: var(--text-weak);
            font-size: 14px;
            line-height: 1.7;
            flex: 1;
            margin-bottom: 16px;
        }
        .article-more {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition);
        }
        .article-more:hover {
            gap: 10px;
        }
        .stats-block {
            padding: 88px 0;
            background: linear-gradient(120deg, rgba(15, 31, 61, .92), rgba(30, 94, 255, .88)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
        }
        .stats-head {
            text-align: center;
            margin-bottom: 52px;
        }
        .stats-head .section-tag {
            background: rgba(255, 255, 255, .14);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, .25);
        }
        .stats-head h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
        }
        .stats-head p {
            color: rgba(255, 255, 255, .75);
        }
        .stat-item {
            text-align: center;
            padding: 30px 18px;
            border-radius: var(--radius);
            background: rgba(255, 255, 255, .1);
            border: 1px solid rgba(255, 255, 255, .16);
            backdrop-filter: blur(6px);
            transition: background var(--transition);
        }
        .stat-item:hover {
            background: rgba(255, 255, 255, .18);
        }
        .stat-num {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .stat-label {
            color: rgba(255, 255, 255, .78);
            font-size: 15px;
            font-weight: 600;
        }
        .faq-section {
            background: #fff;
        }
        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }
        .faq-accordion .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: none;
            background: #fff;
        }
        .faq-accordion .accordion-button {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 16px;
            color: var(--text);
            background: #fafbfe;
            border: none;
            transition: all var(--transition);
        }
        .faq-accordion .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary);
            box-shadow: none;
        }
        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(30, 94, 255, .15);
            border-color: transparent;
        }
        .faq-accordion .accordion-button::after {
            background-size: 14px;
            opacity: .6;
        }
        .faq-accordion .accordion-body {
            padding: 20px 24px;
            color: var(--text-weak);
            font-size: 15px;
            line-height: 1.8;
            background: #fff;
            border-top: 1px solid var(--border);
        }
        .cta-panel {
            position: relative;
            padding: 88px 0;
            background: linear-gradient(110deg, rgba(15, 31, 61, .95), rgba(6, 182, 212, .8)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
        }
        .cta-inner {
            text-align: center;
            max-width: 680px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .cta-inner p {
            color: rgba(255, 255, 255, .85);
            font-size: 17px;
            margin-bottom: 30px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 15px;
            transition: all var(--transition);
        }
        .btn-white:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 14px 30px rgba(0, 0, 0, .18);
        }
        .btn-outline-white {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid rgba(255, 255, 255, .5);
            color: #fff;
            padding: 14px 30px;
            border-radius: 40px;
            font-weight: 700;
            font-size: 15px;
            transition: all var(--transition);
        }
        .btn-outline-white:hover {
            background: rgba(255, 255, 255, .18);
            color: #fff;
            transform: translateY(-2px);
        }
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, .8);
            padding: 72px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
        }
        .footer-brand h3 {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand h3 i {
            color: #06b6d4;
        }
        .footer-brand p {
            color: rgba(255, 255, 255, .68);
            font-size: 14px;
            line-height: 1.8;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            color: rgba(255, 255, 255, .68);
            font-size: 14px;
            transition: color var(--transition);
        }
        .footer-col ul a:hover {
            color: #06b6d4;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            color: rgba(255, 255, 255, .68);
            font-size: 14px;
        }
        .footer-contact i {
            color: #06b6d4;
            margin-top: 5px;
            width: 16px;
            text-align: center;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .12);
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .5);
        }
        .footer-bottom a {
            color: rgba(255, 255, 255, .65);
        }
        .footer-bottom a:hover {
            color: #06b6d4;
        }
        @media (max-width: 1199.98px) {
            .hero-content h1 {
                font-size: 40px;
            }
            .section-block {
                padding: 72px 0;
            }
            .article-grid {
                grid-template-columns: repeat(3, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 991.98px) {
            .nav-toggle {
                display: inline-flex;
            }
            .nav-collapse {
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: #fff;
                padding: 16px;
                box-shadow: 0 20px 40px rgba(15, 31, 61, .12);
                border-radius: 0 0 var(--radius) var(--radius);
                border-bottom: 1px solid var(--border);
            }
            .nav-panel {
                flex-direction: column;
                align-items: stretch;
                background: transparent;
                border-radius: 0;
                padding: 0;
                gap: 8px;
            }
            .nav-item {
                border-radius: var(--radius-sm);
                padding: 14px 18px;
                justify-content: flex-start;
            }
            .header-cta {
                display: none;
            }
            .header-inner {
                min-height: 70px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 36px;
            }
            .feature-card {
                grid-template-columns: 1fr;
            }
            .feature-media {
                min-height: 260px;
            }
            .feature-reverse .feature-media {
                order: 0;
            }
            .article-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 767.98px) {
            .hero-banner {
                padding: 80px 0;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .hero-content p {
                font-size: 15px;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .section-head p {
                font-size: 15px;
            }
            .section-block {
                padding: 64px 0;
            }
            .step-item::before {
                display: none;
            }
            .article-grid {
                grid-template-columns: 1fr;
            }
            .stats-block {
                padding: 64px 0;
            }
            .stat-num {
                font-size: 32px;
            }
            .cta-inner h2 {
                font-size: 28px;
            }
            .btn-custom-primary,
            .btn-ghost {
                padding: 12px 24px;
                font-size: 14px;
            }
        }
        @media (max-width: 575.98px) {
            .brand-logo {
                font-size: 18px;
            }
            .brand-logo i {
                width: 34px;
                height: 34px;
                font-size: 14px;
                border-radius: 10px;
            }
            .header-inner {
                min-height: 64px;
                gap: 12px;
            }
            .hero-banner {
                padding: 64px 0;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-custom-primary,
            .btn-ghost {
                justify-content: center;
            }
            .section-head h2 {
                font-size: 25px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .feature-body {
                padding: 32px 24px;
            }
            .feature-body h3 {
                font-size: 22px;
            }
            .stat-item {
                padding: 24px 12px;
            }
            .stat-num {
                font-size: 28px;
            }
            .cta-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-white,
            .btn-outline-white {
                justify-content: center;
            }
        }

/* roulang page: article */
:root {
  --primary: #1668dc;
  --primary-dark: #0d4ea8;
  --primary-light: #e8f1fe;
  --accent: #ff9f1c;
  --accent-dark: #f08a00;
  --accent-light: #fff4e5;
  --dark: #0d1b2e;
  --dark-2: #16263f;
  --bg: #f4f7fc;
  --bg-light: #fafcfe;
  --white: #ffffff;
  --text: #1d2b3e;
  --text-muted: #5f6f82;
  --border: #e4ebf3;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 8px 30px rgba(13,27,46,0.08);
  --shadow-sm: 0 3px 12px rgba(13,27,46,0.06);
  --shadow-lg: 0 18px 50px rgba(13,27,46,0.14);
  --transition: all 0.28s ease;
  --font-sans: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC","Segoe UI",sans-serif;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{font-family:var(--font-sans);color:var(--text);background:var(--bg);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
a:hover{color:var(--primary)}
ul,ol{list-style:none}
button{border:none;background:none;font-family:inherit;cursor:pointer}
input,textarea{font-family:inherit}
.container{max-width:1280px}
@media (min-width:1400px){.container{max-width:1320px}}
.section{padding:72px 0}
.section-head{margin-bottom:40px}
.section-head .sec-tag{display:inline-flex;align-items:center;gap:6px;background:var(--primary-light);color:var(--primary);font-size:13px;font-weight:700;padding:5px 16px;border-radius:20px;margin-bottom:12px}
.section-head h2{font-size:34px;font-weight:800;color:var(--dark);letter-spacing:-0.5px;margin:0 0 10px}
.section-head p{color:var(--text-muted);font-size:16px;max-width:560px;margin:0}

/* Header */
.site-header{background:rgba(255,255,255,0.85);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--border);position:sticky;top:0;z-index:1000}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:14px 0;gap:16px}
.brand-logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:800;color:var(--primary);letter-spacing:0.3px;white-space:nowrap}
.brand-logo i{width:36px;height:36px;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,var(--primary),#4a9df8);color:#fff;border-radius:10px;font-size:15px;box-shadow:0 4px 12px rgba(22,104,220,0.28)}
.nav-panel{display:flex;align-items:center;gap:4px;background:var(--bg);border:1px solid var(--border);padding:5px;border-radius:40px}
.nav-item{display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:30px;color:var(--text-muted);font-size:14px;font-weight:600;white-space:nowrap;transition:var(--transition)}
.nav-item i{font-size:13px}
.nav-item:hover{color:var(--primary);background:rgba(22,104,220,0.08)}
.nav-item.active{background:var(--primary);color:#fff;box-shadow:0 4px 14px rgba(22,104,220,0.32)}
.header-cta{display:inline-flex;align-items:center;gap:8px;background:linear-gradient(135deg,var(--accent),#ffc060);color:var(--dark);font-weight:700;font-size:14px;padding:10px 22px;border-radius:30px;box-shadow:0 4px 16px rgba(255,159,28,0.3);white-space:nowrap;transition:var(--transition)}
.header-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,159,28,0.42);color:var(--dark)}
.nav-toggle{display:none;align-items:center;justify-content:center;width:42px;height:42px;background:var(--bg);border:1px solid var(--border);border-radius:12px;font-size:18px;color:var(--text)}
.mobile-menu{display:none}

/* Hero */
.article-hero{position:relative;padding:52px 0 42px;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;border-bottom:1px solid var(--border)}
.article-hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(255,255,255,0.96) 30%,rgba(232,241,254,0.9) 100%)}
.article-hero .container{position:relative;z-index:1}
.breadcrumb-nav{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-muted);margin-bottom:20px}
.breadcrumb-nav a{display:inline-flex;align-items:center;gap:6px;color:var(--text-muted);font-weight:500}
.breadcrumb-nav a:hover{color:var(--primary)}
.breadcrumb-nav .sep{color:#aab7c8;font-size:12px}
.breadcrumb-nav .current{max-width:360px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--text);font-weight:600}
.article-title{font-size:36px;font-weight:800;line-height:1.35;color:var(--dark);letter-spacing:-0.4px;margin:0 0 20px;max-width:860px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:16px;font-size:14px;color:var(--text-muted)}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;background:rgba(255,255,255,0.8);border:1px solid var(--border);border-radius:30px;padding:5px 16px;font-weight:500}
.article-meta .meta-item i{color:var(--primary)}
.article-meta .meta-item.cat{background:var(--primary-light);color:var(--primary);border-color:transparent;font-weight:700}

/* Article Body */
.article-body{padding:56px 0 72px}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:36px;align-items:start}
.article-main{background:#fff;border-radius:var(--radius-lg);border:1px solid var(--border);padding:44px;box-shadow:var(--shadow-sm)}
.article-cover{border-radius:var(--radius);overflow:hidden;margin-bottom:32px;position:relative}
.article-cover img{width:100%;height:360px;object-fit:cover;transition:transform 0.5s ease}
.article-cover:hover img{transform:scale(1.02)}
.article-summary{background:rgba(22,104,220,0.05);border-left:4px solid var(--primary);border-radius:0 var(--radius-sm) var(--radius-sm) 0;padding:18px 22px;margin-bottom:30px;display:flex;gap:14px;align-items:flex-start}
.article-summary i{color:var(--primary);font-size:20px;margin-top:3px;flex-shrink:0}
.article-summary p{margin:0;color:#33475c;font-size:15px;line-height:1.8}
.article-content{font-size:16px;line-height:1.95;color:#2b3a4e}
.article-content h2{font-size:24px;font-weight:700;color:var(--dark);margin:36px 0 18px;padding-left:14px;position:relative;line-height:1.4}
.article-content h2::before{content:'';position:absolute;left:0;top:8px;width:4px;height:22px;background:var(--primary);border-radius:4px}
.article-content h3{font-size:19px;font-weight:700;color:var(--dark);margin:28px 0 14px}
.article-content p{margin-bottom:18px}
.article-content ul,.article-content ol{margin:0 0 20px 24px}
.article-content ul li,.article-content ol li{margin-bottom:8px;position:relative}
.article-content ul{list-style:none;margin-left:4px}
.article-content ul li{padding-left:22px}
.article-content ul li::before{content:'\f0a4';font-family:'Font Awesome 6 Free';font-weight:900;color:var(--primary);position:absolute;left:0;top:2px;font-size:13px}
.article-content ol{counter-reset:item}
.article-content ol li{counter-increment:item;padding-left:4px}
.article-content img{border-radius:var(--radius);margin:22px 0;box-shadow:var(--shadow-sm)}
.article-content blockquote{border-left:4px solid var(--accent);background:var(--accent-light);padding:18px 22px;border-radius:0 var(--radius-sm) var(--radius-sm) 0;margin:22px 0;color:#6b5b3a;font-style:italic}
.article-content a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-content a:hover{color:var(--primary-dark)}
.article-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:34px;padding-top:24px;border-top:1px solid var(--border)}
.article-tags .tag{background:var(--bg);border:1px solid var(--border);color:var(--text-muted);padding:6px 16px;border-radius:24px;font-size:13px;font-weight:500}
.article-tags .tag:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}
.not-found{text-align:center;padding:50px 20px}
.not-found i{font-size:50px;color:#aab7c8;margin-bottom:18px;display:inline-block}
.not-found h2{font-size:26px;font-weight:700;color:var(--dark);margin-bottom:10px}
.not-found p{color:var(--text-muted);margin-bottom:24px}
.not-found .btn-brand{background:var(--primary);border:none;color:#fff;padding:12px 28px;border-radius:40px;font-weight:600}
.not-found .btn-brand:hover{background:var(--primary-dark);transform:translateY(-2px)}

/* Sidebar */
.article-sidebar{display:flex;flex-direction:column;gap:22px}
.sidebar-card{background:#fff;border-radius:var(--radius);border:1px solid var(--border);padding:26px;box-shadow:var(--shadow-sm)}
.sidebar-card h3{font-size:16px;font-weight:700;color:var(--dark);margin-bottom:16px;display:flex;align-items:center;gap:9px}
.sidebar-card h3 i{color:var(--primary);font-size:16px}
.sidebar-card .side-info{display:flex;flex-direction:column;gap:14px}
.sidebar-card .side-info li{display:flex;justify-content:space-between;align-items:center;font-size:14px;padding-bottom:12px;border-bottom:1px dashed var(--border)}
.sidebar-card .side-info li:last-child{border-bottom:none;padding-bottom:0}
.sidebar-card .side-info li span{color:var(--text-muted)}
.sidebar-card .side-info li strong{color:var(--text);font-weight:600;text-align:right}
.nav-card .side-link{display:flex;align-items:center;gap:10px;padding:11px 14px;border-radius:12px;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;background:var(--bg-light);border:1px solid transparent;transition:var(--transition)}
.nav-card .side-link i{color:var(--primary);font-size:14px;width:20px;text-align:center}
.nav-card .side-link:hover{background:var(--primary-light);border-color:rgba(22,104,220,0.2);color:var(--primary);transform:translateX(3px)}
.nav-card .side-link:last-child{margin-bottom:0}
.support-card{background:linear-gradient(150deg,var(--dark),#1c3a6e);border:none;color:#fff}
.support-card h3{color:#fff}
.support-card h3 i{color:var(--accent)}
.support-card p{font-size:14px;color:rgba(255,255,255,0.75);margin-bottom:18px}
.support-card .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--accent);color:var(--dark);border:none;padding:10px 20px;border-radius:30px;font-weight:700;font-size:14px;width:100%;transition:var(--transition)}
.support-card .btn:hover{transform:translateY(-2px);box-shadow:0 8px 20px rgba(255,159,28,0.4);color:var(--dark)}

/* Catalog */
.catalog-section{background:var(--bg-light);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.catalog-card{position:relative;height:100%;background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition)}
.catalog-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(22,104,220,0.25)}
.catalog-card .catalog-media{height:190px;overflow:hidden;position:relative}
.catalog-card .catalog-media img{width:100%;height:100%;object-fit:cover;transition:transform 0.5s ease}
.catalog-card:hover .catalog-media img{transform:scale(1.05)}
.catalog-card .catalog-media::after{content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 40%,rgba(13,27,46,0.15))}
.catalog-card .catalog-body{padding:22px 24px 26px}
.catalog-card .catalog-icon{width:46px;height:46px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);color:var(--primary);border-radius:14px;font-size:18px;margin-bottom:16px;box-shadow:0 4px 12px rgba(22,104,220,0.12)}
.catalog-card:nth-child(2) .catalog-icon{background:#fff4e5;color:var(--accent);box-shadow:0 4px 12px rgba(255,159,28,0.12)}
.catalog-card:nth-child(3) .catalog-icon{background:#e8f8ef;color:#18a05e;box-shadow:0 4px 12px rgba(24,160,94,0.12)}
.catalog-card h3{font-size:19px;font-weight:700;color:var(--dark);margin-bottom:10px}
.catalog-card p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:16px}
.catalog-card .catalog-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--primary)}
.catalog-card .catalog-link i{transition:transform 0.28s ease}
.catalog-card:hover .catalog-link i{transform:translateX(4px)}

/* FAQ */
.faq-section{background:var(--bg)}
.faq-wrap{max-width:820px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);padding:8px 22px;margin-bottom:14px;box-shadow:var(--shadow-sm);transition:var(--transition)}
.faq-item:hover{border-color:rgba(22,104,220,0.25)}
.faq-item.open{box-shadow:var(--shadow)}
.faq-question{display:flex;align-items:center;justify-content:space-between;gap:14px;width:100%;text-align:left;font-size:16px;font-weight:600;color:var(--dark);padding:14px 0;background:none;border:none}
.faq-question .faq-icon{width:28px;height:28px;display:flex;align-items:center;justify-content:center;background:var(--primary-light);color:var(--primary);border-radius:50%;font-size:13px;flex-shrink:0;transition:var(--transition)}
.faq-item.open .faq-icon{background:var(--primary);color:#fff;transform:rotate(45deg)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height 0.35s ease;border-top:1px solid transparent}
.faq-item.open .faq-answer{border-top-color:var(--border)}
.faq-answer p{padding:14px 0 18px;font-size:14px;color:var(--text-muted);line-height:1.8;margin:0}

/* CTA */
.cta-section{position:relative;padding:80px 0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(13,27,46,0.94),rgba(22,104,220,0.86))}
.cta-inner{position:relative;z-index:1;text-align:center;max-width:680px;margin:0 auto}
.cta-inner h2{font-size:34px;font-weight:800;color:#fff;margin-bottom:14px;letter-spacing:-0.4px}
.cta-inner p{color:rgba(255,255,255,0.85);font-size:16px;margin-bottom:30px}
.cta-buttons{display:flex;justify-content:center;flex-wrap:wrap;gap:14px}
.cta-buttons .btn-brand{background:var(--accent);color:var(--dark);border:none;padding:13px 30px;font-weight:700;border-radius:40px}
.cta-buttons .btn-brand:hover{background:#ffb84a;transform:translateY(-2px);box-shadow:0 8px 24px rgba(255,159,28,0.4)}
.cta-buttons .btn-ghost{background:transparent;border:2px solid rgba(255,255,255,0.75);color:#fff;padding:12px 28px;font-weight:600;border-radius:40px}
.cta-buttons .btn-ghost:hover{background:#fff;color:var(--dark);transform:translateY(-2px)}

/* Footer */
.site-footer{background:var(--dark);color:rgba(255,255,255,0.8);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr;gap:48px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,0.08)}
.footer-brand h3{font-size:20px;font-weight:800;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:10px}
.footer-brand h3 i{color:var(--accent)}
.footer-brand p{font-size:14px;color:rgba(255,255,255,0.6);line-height:1.8;max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,0.6);transition:var(--transition)}
.footer-col ul li a:hover{color:var(--accent);padding-left:4px}
.footer-contact li{font-size:14px;color:rgba(255,255,255,0.6);display:flex;align-items:center;gap:8px}
.footer-contact li i{color:var(--accent);width:18px;text-align:center}
.footer-bottom{padding:20px 0;text-align:center;font-size:13px;color:rgba(255,255,255,0.4)}
.footer-bottom a{color:rgba(255,255,255,0.5)}
.footer-bottom a:hover{color:var(--accent)}

/* Buttons */
.btn{border-radius:40px;padding:11px 26px;font-weight:600;font-size:14px;transition:var(--transition);display:inline-flex;align-items:center;gap:8px}
.btn-brand{background:var(--primary);color:#fff;border:none}
.btn-brand:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 8px 20px rgba(22,104,220,0.35)}
.btn-block{width:100%;justify-content:center}

/* Responsive */
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:28px}
  .article-main{padding:34px}
}
@media (max-width:991.98px){
  .section{padding:56px 0}
  .nav-panel,.header-cta{display:none}
  .nav-toggle{display:flex}
  .mobile-menu{position:fixed;top:72px;left:0;right:0;background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--shadow-lg);padding:14px 20px;flex-direction:column;gap:6px;transform:translateY(-120%);opacity:0;transition:transform 0.3s ease,opacity 0.3s ease;z-index:999;border-radius:0 0 20px 20px}
  .mobile-menu.open{transform:translateY(0);opacity:1}
  .mobile-menu .nav-item{padding:12px 16px;border-radius:12px;font-size:15px;background:var(--bg-light)}
  .mobile-menu .nav-item.active{background:var(--primary);color:#fff}
  .mobile-menu .nav-item i{width:22px;text-align:center}
  .article-layout{grid-template-columns:1fr}
  .article-sidebar{flex-direction:row;flex-wrap:wrap}
  .sidebar-card{flex:1;min-width:220px}
  .article-hero{padding:40px 0 34px}
  .article-title{font-size:30px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}
@media (max-width:767.98px){
  .section{padding:44px 0}
  .section-head h2{font-size:27px}
  .article-body{padding:36px 0 52px}
  .article-main{padding:22px}
  .article-cover img{height:220px}
  .article-title{font-size:26px}
  .breadcrumb-nav{font-size:13px}
  .article-meta{gap:10px}
  .article-meta .meta-item{font-size:13px;padding:4px 12px}
  .faq-question{font-size:15px}
  .cta-section{padding:56px 0}
  .cta-buttons .btn-brand,.cta-buttons .btn-ghost{width:100%}
}
@media (max-width:575.98px){
  .header-inner{padding:12px 0}
  .brand-logo{font-size:17px}
  .brand-logo i{width:32px;height:32px;font-size:13px}
  .article-hero{padding:28px 0}
  .article-title{font-size:22px;line-height:1.4}
  .article-meta .meta-item{width:100%}
  .article-cover img{height:180px}
  .article-content{font-size:15px}
  .article-content h2{font-size:20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-brand p{max-width:100%}
}

/* roulang page: category3 */
/* ===== 设计变量 ===== */
:root {
    --primary: #1a7f64;
    --primary-dark: #126a52;
    --primary-light: #e6f4ef;
    --secondary: #e8a03d;
    --secondary-light: #fdf3e0;
    --accent: #3d8bfd;
    --bg-light: #f6f9f8;
    --bg-white: #ffffff;
    --bg-dark: #0c1f1a;
    --text-primary: #1a2420;
    --text-body: #3d4f48;
    --text-muted: #768b83;
    --border-color: #e3ebe7;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 12px rgba(16, 60, 50, .06);
    --shadow-md: 0 8px 30px rgba(16, 60, 50, .1);
    --shadow-lg: 0 16px 50px rgba(16, 60, 50, .14);
    --font-hero: 2.8rem;
    --font-section: 2rem;
    --font-card: 1.15rem;
    --space-section: 5.5rem;
    --transition: all .25s ease;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: "Inter", "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    background: var(--bg-light);
    color: var(--text-body);
    line-height: 1.7;
    font-size: 1rem;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

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

.container {
    max-width: 1200px;
    padding-left: 1.25rem;
    padding-right: 1.25rem;
}

/* ===== Header / Nav ===== */
.site-header {
    background: rgba(255, 255, 255, .92);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-color);
    position: sticky;
    top: 0;
    z-index: 1000;
    box-shadow: var(--shadow-sm);
}

.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: .85rem 0;
}

.brand-logo {
    font-size: 1.3rem;
    font-weight: 800;
    color: var(--primary);
    display: flex;
    align-items: center;
    gap: .55rem;
    white-space: nowrap;
}

.brand-logo i {
    font-size: 1.5rem;
    color: var(--secondary);
    background: var(--secondary-light);
    width: 38px;
    height: 38px;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 12px;
}

.nav-panel {
    display: flex;
    align-items: center;
    gap: .4rem;
    background: var(--bg-light);
    padding: .3rem .4rem;
    border-radius: 50px;
    border: 1px solid var(--border-color);
}

.nav-item {
    padding: .55rem 1rem;
    border-radius: 50px;
    font-size: .92rem;
    font-weight: 600;
    color: var(--text-body);
    display: flex;
    align-items: center;
    gap: .4rem;
    white-space: nowrap;
    transition: var(--transition);
}

.nav-item i {
    font-size: .85rem;
    color: var(--text-muted);
    transition: var(--transition);
}

.nav-item:hover {
    background: var(--primary-light);
    color: var(--primary);
}

.nav-item:hover i {
    color: var(--primary);
}

.nav-item.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(26, 127, 100, .3);
}

.nav-item.active i {
    color: #fff;
}

.header-cta {
    background: var(--secondary);
    color: #fff;
    padding: .6rem 1.25rem;
    border-radius: 50px;
    font-size: .92rem;
    font-weight: 700;
    display: flex;
    align-items: center;
    gap: .5rem;
    box-shadow: 0 4px 16px rgba(232, 160, 61, .35);
    white-space: nowrap;
    transition: var(--transition);
}

.header-cta:hover {
    background: #d98f2b;
    color: #fff;
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(232, 160, 61, .4);
}

.nav-toggle {
    display: none;
    background: var(--primary-light);
    color: var(--primary);
    width: 40px;
    height: 40px;
    border-radius: 10px;
    font-size: 1.1rem;
    align-items: center;
    justify-content: center;
    cursor: pointer;
}

/* ===== Hero Banner ===== */
.category-hero {
    background: linear-gradient(120deg, #0c2b23, #145647, #1a7f64);
    position: relative;
    padding: 5rem 0 3.5rem;
    color: #fff;
    overflow: hidden;
}

.category-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    opacity: .18;
}

.category-hero::after {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 320px;
    height: 320px;
    background: rgba(232, 160, 61, .2);
    border-radius: 50%;
}

.hero-content {
    position: relative;
    z-index: 2;
}

.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: .5rem;
    background: rgba(255, 255, 255, .15);
    border: 1px solid rgba(255, 255, 255, .25);
    padding: .4rem 1rem;
    border-radius: 50px;
    font-size: .85rem;
    font-weight: 600;
    margin-bottom: 1.2rem;
    backdrop-filter: blur(6px);
}

.category-hero h1 {
    font-size: var(--font-hero);
    font-weight: 800;
    line-height: 1.2;
    margin-bottom: 1rem;
    letter-spacing: -0.5px;
}

.category-hero p {
    font-size: 1.06rem;
    color: rgba(255, 255, 255, .9);
    max-width: 680px;
    margin-bottom: 1.5rem;
    line-height: 1.8;
}

.hero-stats {
    display: flex;
    gap: 2.5rem;
    margin-top: 2.5rem;
    flex-wrap: wrap;
}

.hero-stat {
    display: flex;
    flex-direction: column;
}

.hero-stat strong {
    font-size: 1.75rem;
    font-weight: 800;
    color: var(--secondary);
}

.hero-stat span {
    font-size: .86rem;
    color: rgba(255, 255, 255, .75);
}

/* ===== Section Base ===== */
.section {
    padding: var(--space-section) 0;
}

.section-alt {
    background: var(--bg-white);
    border-top: 1px solid var(--border-color);
    border-bottom: 1px solid var(--border-color);
}

.section-head {
    text-align: center;
    max-width: 700px;
    margin: 0 auto 3rem;
}

.section-head .eyebrow {
    display: inline-flex;
    align-items: center;
    gap: .4rem;
    background: var(--primary-light);
    color: var(--primary);
    padding: .3rem 1rem;
    border-radius: 50px;
    font-size: .83rem;
    font-weight: 700;
    margin-bottom: .9rem;
}

.section-head h2 {
    font-size: var(--font-section);
    font-weight: 800;
    color: var(--text-primary);
    margin-bottom: .8rem;
    letter-spacing: -0.5px;
}

.section-head p {
    color: var(--text-muted);
    font-size: 1rem;
}

/* ===== Service Cards ===== */
.service-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    height: 100%;
    transition: var(--transition);
    box-shadow: var(--shadow-sm);
}

.service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-md);
    border-color: rgba(26, 127, 100, .3);
}

.service-icon {
    width: 56px;
    height: 56px;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.4rem;
    margin-bottom: 1.2rem;
    background: var(--primary-light);
    color: var(--primary);
}

.service-card h3 {
    font-size: 1.15rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: .6rem;
}

.service-card p {
    font-size: .92rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.service-tag-list {
    display: flex;
    flex-wrap: wrap;
    gap: .4rem;
}

.service-tag-list span {
    background: var(--bg-light);
    border: 1px solid var(--border-color);
    color: var(--text-body);
    font-size: .78rem;
    padding: .2rem .7rem;
    border-radius: 30px;
    font-weight: 600;
}

/* ===== Cover Cards ===== */
.cover-card {
    background: var(--bg-white);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    height: 100%;
    transition: var(--transition);
}

.cover-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-md);
}

.cover-img {
    position: relative;
    height: 220px;
    overflow: hidden;
}

.cover-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}

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

.cover-img .img-overlay {
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(10, 30, 24, .4), transparent);
}

.cover-badge {
    position: absolute;
    top: 1rem;
    left: 1rem;
    background: rgba(255, 255, 255, .9);
    color: var(--primary);
    padding: .3rem .8rem;
    border-radius: 30px;
    font-size: .78rem;
    font-weight: 700;
    backdrop-filter: blur(6px);
    z-index: 2;
}

.cover-body {
    padding: 1.5rem;
}

.cover-body h3 {
    font-size: 1.12rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: .5rem;
    line-height: 1.4;
}

.cover-body p {
    font-size: .9rem;
    color: var(--text-muted);
    line-height: 1.7;
    margin-bottom: 1rem;
}

.cover-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: .82rem;
    color: var(--text-muted);
}

.cover-meta .link-arrow {
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: .3rem;
}

.cover-meta .link-arrow:hover {
    gap: .5rem;
}

/* ===== Process Section ===== */
.process-section {
    background: var(--bg-dark);
    color: #fff;
}

.process-section .section-head h2 {
    color: #fff;
}

.process-section .section-head p {
    color: rgba(255, 255, 255, .7);
}

.process-section .section-head .eyebrow {
    background: rgba(255, 255, 255, .12);
    color: var(--secondary);
}

.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 1.5rem;
}

.process-item {
    background: rgba(255, 255, 255, .06);
    border: 1px solid rgba(255, 255, 255, .1);
    border-radius: var(--radius-lg);
    padding: 2rem 1.5rem;
    text-align: center;
    transition: var(--transition);
    position: relative;
}

.process-item:hover {
    background: rgba(255, 255, 255, .1);
    border-color: rgba(232, 160, 61, .4);
    transform: translateY(-4px);
}

.process-num {
    font-size: .9rem;
    font-weight: 800;
    color: var(--secondary);
    background: rgba(232, 160, 61, .15);
    width: 36px;
    height: 36px;
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 1rem;
}

.process-item i {
    font-size: 2rem;
    color: var(--secondary);
    margin-bottom: .8rem;
    display: block;
}

.process-item h3 {
    font-size: 1.05rem;
    font-weight: 700;
    margin-bottom: .5rem;
}

.process-item p {
    font-size: .85rem;
    color: rgba(255, 255, 255, .7);
    line-height: 1.6;
}

/* ===== Feedback Section ===== */
.feedback-card {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-lg);
    padding: 2rem 1.75rem;
    height: 100%;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

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

.feedback-stars {
    color: var(--secondary);
    font-size: .9rem;
    margin-bottom: 1rem;
    letter-spacing: 2px;
}

.feedback-card blockquote {
    font-size: .95rem;
    color: var(--text-body);
    line-height: 1.8;
    margin-bottom: 1.2rem;
    padding: 0;
    border: none;
    font-style: normal;
}

.feedback-user {
    display: flex;
    align-items: center;
    gap: .8rem;
}

.feedback-avatar {
    width: 42px;
    height: 42px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    font-size: .9rem;
}

.feedback-user strong {
    color: var(--text-primary);
    font-size: .95rem;
    display: block;
}

.feedback-user span {
    color: var(--text-muted);
    font-size: .8rem;
}

/* ===== FAQ ===== */
.faq-list {
    max-width: 820px;
    margin: 0 auto;
}

.faq-item {
    background: var(--bg-white);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 1rem;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
    transition: var(--transition);
}

.faq-item:hover {
    border-color: rgba(26, 127, 100, .35);
}

.faq-item.active {
    border-color: var(--primary);
    box-shadow: var(--shadow-md);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 1rem;
    padding: 1.2rem 1.5rem;
    cursor: pointer;
    background: transparent;
    width: 100%;
    text-align: left;
    font-size: 1rem;
    font-weight: 600;
    color: var(--text-primary);
}

.faq-question i {
    color: var(--primary);
    font-size: .9rem;
    transition: transform .3s ease;
}

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

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease;
}

.faq-answer-inner {
    padding: 0 1.5rem 1.3rem;
    font-size: .92rem;
    color: var(--text-muted);
    line-height: 1.8;
    border-top: 1px dashed var(--border-color);
    padding-top: 1rem;
}

/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%, #0b4a3a 100%);
    color: #fff;
    text-align: center;
    padding: 4.5rem 0;
    position: relative;
    overflow: hidden;
}

.cta-section::before {
    content: '';
    position: absolute;
    inset: 0;
    background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
    opacity: .12;
}

.cta-section .container {
    position: relative;
    z-index: 2;
}

.cta-section h2 {
    font-size: 2rem;
    font-weight: 800;
    margin-bottom: .8rem;
}

.cta-section p {
    font-size: 1rem;
    color: rgba(255, 255, 255, .85);
    max-width: 600px;
    margin: 0 auto 2rem;
}

.cta-buttons {
    display: flex;
    gap: 1rem;
    justify-content: center;
    flex-wrap: wrap;
}

.btn-v2 {
    display: inline-flex;
    align-items: center;
    gap: .6rem;
    padding: .8rem 2rem;
    border-radius: 50px;
    font-weight: 700;
    font-size: .95rem;
    transition: var(--transition);
    border: none;
    cursor: pointer;
}

.btn-light {
    background: #fff;
    color: var(--primary);
    box-shadow: 0 6px 20px rgba(0, 0, 0, .1);
}

.btn-light:hover {
    transform: translateY(-3px);
    box-shadow: 0 10px 30px rgba(0, 0, 0, .15);
    color: var(--primary-dark);
}

.btn-outline-light {
    background: transparent;
    color: #fff;
    border: 2px solid rgba(255, 255, 255, .6);
}

.btn-outline-light:hover {
    background: rgba(255, 255, 255, .1);
    border-color: #fff;
    transform: translateY(-3px);
}

/* ===== Footer ===== */
.site-footer {
    background: var(--bg-dark);
    color: rgba(255, 255, 255, .8);
    padding: 4rem 0 0;
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.5fr 1fr 1.2fr;
    gap: 2.5rem;
    padding-bottom: 2.5rem;
    border-bottom: 1px solid rgba(255, 255, 255, .08);
}

.footer-brand h3 {
    font-size: 1.3rem;
    font-weight: 800;
    color: #fff;
    margin-bottom: .8rem;
    display: flex;
    align-items: center;
    gap: .5rem;
}

.footer-brand h3 i {
    color: var(--secondary);
}

.footer-brand p {
    color: rgba(255, 255, 255, .6);
    font-size: .9rem;
    line-height: 1.7;
    max-width: 320px;
}

.footer-col h4 {
    font-size: 1rem;
    font-weight: 700;
    color: #fff;
    margin-bottom: 1rem;
}

.footer-col ul li {
    margin-bottom: .55rem;
}

.footer-col ul li a {
    color: rgba(255, 255, 255, .6);
    font-size: .9rem;
    transition: var(--transition);
}

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

.footer-contact li {
    display: flex;
    align-items: center;
    gap: .6rem;
    color: rgba(255, 255, 255, .6);
    font-size: .9rem;
    margin-bottom: .6rem;
}

.footer-contact li i {
    color: var(--secondary);
    width: 16px;
}

.footer-bottom {
    text-align: center;
    padding: 1.5rem 0;
    color: rgba(255, 255, 255, .4);
    font-size: .85rem;
}

.footer-bottom a {
    color: rgba(255, 255, 255, .5);
}

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

/* ===== Responsive ===== */
@media (max-width: 1024px) {
    :root {
        --font-hero: 2.3rem;
        --font-section: 1.8rem;
        --space-section: 4.5rem;
    }

    .nav-panel {
        display: none;
        position: fixed;
        top: 70px;
        left: 1rem;
        right: 1rem;
        background: var(--bg-white);
        border-radius: var(--radius-md);
        box-shadow: var(--shadow-lg);
        padding: 1rem;
        flex-direction: column;
        align-items: stretch;
        gap: .3rem;
        border: 1px solid var(--border-color);
    }

    .nav-panel.open {
        display: flex;
    }

    .nav-item {
        border-radius: var(--radius-sm);
        padding: .7rem 1rem;
    }

    .nav-item.active {
        border-radius: var(--radius-sm);
    }

    .header-cta {
        display: none;
    }

    .nav-toggle {
        display: inline-flex;
    }

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

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

@media (max-width: 768px) {
    :root {
        --font-hero: 1.9rem;
        --font-section: 1.5rem;
        --space-section: 3.5rem;
    }

    .category-hero {
        padding: 3.5rem 0 2.5rem;
    }

    .category-hero h1 {
        font-size: 1.9rem;
    }

    .hero-stats {
        gap: 1.5rem;
    }

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

    .footer-grid {
        grid-template-columns: 1fr;
        gap: 2rem;
    }

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

    .brand-logo {
        font-size: 1.1rem;
    }

    .brand-logo i {
        width: 32px;
        height: 32px;
        font-size: 1.1rem;
    }
}

@media (max-width: 520px) {
    .container {
        padding-left: 1rem;
        padding-right: 1rem;
    }

    .nav-panel {
        top: 62px;
        left: .75rem;
        right: .75rem;
    }

    .hero-stats {
        flex-direction: column;
        gap: .8rem;
    }

    .category-hero h1 {
        font-size: 1.65rem;
    }

    .service-card {
        padding: 1.5rem 1.2rem;
    }

    .cover-img {
        height: 180px;
    }

    .cta-buttons {
        flex-direction: column;
        align-items: center;
    }

    .btn-v2 {
        width: 100%;
        justify-content: center;
    }
}

/* roulang page: category2 */
:root {
            --primary: #1e3a8a;
            --primary-dark: #172e6e;
            --primary-light: #3b82f6;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --bg: #f4f6fb;
            --card-bg: #ffffff;
            --text: #1e293b;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 10px rgba(30, 41, 59, 0.06);
            --shadow-md: 0 8px 28px rgba(30, 41, 59, 0.10);
            --shadow-lg: 0 16px 44px rgba(30, 41, 59, 0.14);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

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

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

        .container {
            max-width: 1280px;
        }

        .section-padding {
            padding: 80px 0;
        }

        .section-head {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
        }

        .section-tag {
            display: inline-block;
            background: rgba(59, 130, 246, 0.10);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 30px;
            letter-spacing: 1px;
            margin-bottom: 12px;
        }

        .section-head h2 {
            font-size: 34px;
            font-weight: 800;
            margin: 0 0 12px;
            color: var(--text);
            letter-spacing: -0.5px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            margin: 0;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border);
            padding: 14px 0;
        }

        .header-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            position: relative;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 21px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.3px;
        }

        .brand-logo i {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 18px;
            border-radius: 12px;
            box-shadow: 0 4px 14px rgba(59, 130, 246, 0.35);
        }

        .nav-panel {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 4px;
            background: #f8fafc;
            border: 1px solid var(--border);
            border-radius: 50px;
            padding: 5px;
            margin: 0 8px;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 18px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            white-space: nowrap;
            transition: var(--transition);
            border: 1px solid transparent;
        }

        .nav-item i {
            font-size: 13px;
            color: var(--text-muted);
            transition: var(--transition);
        }

        .nav-item:hover {
            background: #fff;
            color: var(--primary);
            box-shadow: var(--shadow-sm);
            border-color: var(--border);
            transform: translateY(-1px);
        }

        .nav-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(30, 58, 138, 0.35);
            border-color: var(--primary);
        }

        .nav-item.active i {
            color: #fff;
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            background: linear-gradient(135deg, var(--accent), #f97316);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            border-radius: 50px;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
            transition: var(--transition);
            border: none;
        }

        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 158, 11, 0.45);
            color: #fff;
        }

        .nav-toggle {
            display: none;
            width: 44px;
            height: 44px;
            border: 1px solid var(--border);
            background: #fff;
            border-radius: 12px;
            font-size: 18px;
            color: var(--primary);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
        }

        /* ===== Page Hero ===== */
        .page-hero {
            position: relative;
            padding: 110px 0 100px;
            color: #fff;
            overflow: hidden;
            isolation: isolate;
        }

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

        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(30, 58, 138, 0.95) 0%, rgba(59, 130, 246, 0.82) 100%);
            z-index: -1;
        }

        .page-hero-content {
            position: relative;
            z-index: 1;
            max-width: 720px;
        }

        .breadcrumb-nav {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 24px;
        }

        .breadcrumb-nav a {
            color: rgba(255, 255, 255, 0.85);
        }

        .breadcrumb-nav a:hover {
            color: var(--accent-light);
        }

        .breadcrumb-nav i {
            font-size: 10px;
            color: rgba(255, 255, 255, 0.5);
        }

        .page-hero h1 {
            font-size: 48px;
            font-weight: 800;
            letter-spacing: -1px;
            margin: 0 0 20px;
            line-height: 1.2;
        }

        .page-hero p {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.9);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: #fff;
            color: var(--primary);
            font-weight: 600;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.12);
        }

        .btn-light-custom:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(0, 0, 0, 0.18);
            color: var(--primary);
        }

        .btn-outline-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            font-weight: 600;
            border-radius: 50px;
            border: 1px solid rgba(255, 255, 255, 0.5);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .btn-outline-custom:hover {
            background: rgba(255, 255, 255, 0.22);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-meta {
            display: flex;
            gap: 28px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.2);
            flex-wrap: wrap;
        }

        .hero-meta span {
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.85);
        }

        .hero-meta i {
            color: var(--accent-light);
        }

        /* ===== 分类入口 ===== */
        .cat-section {
            padding: 80px 0 30px;
        }

        .cat-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            height: 100%;
            transition: var(--transition);
            display: block;
            position: relative;
            overflow: hidden;
        }

        .cat-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--cat-color, var(--primary)), var(--cat-color, var(--primary-light)));
            opacity: 0;
            transition: var(--transition);
        }

        .cat-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }

        .cat-card:hover::before {
            opacity: 1;
        }

        .cat-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 64px;
            height: 64px;
            border-radius: 18px;
            font-size: 24px;
            color: #fff;
            background: linear-gradient(135deg, var(--cat-color, var(--primary)), var(--cat-color, var(--primary-light)));
            margin-bottom: 18px;
            box-shadow: 0 6px 20px rgba(30, 58, 138, 0.25);
            transition: var(--transition);
        }

        .cat-card:hover .cat-icon {
            transform: scale(1.06) rotate(-3deg);
        }

        .cat-card h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .cat-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
            line-height: 1.6;
        }

        .cat-count {
            display: inline-block;
            background: var(--bg);
            color: var(--text-muted);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 30px;
        }

        /* ===== 热门赛事 ===== */
        .hot-section {
            padding: 60px 0 80px;
        }

        .match-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--border);
            height: 100%;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .match-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }

        .match-cover {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
        }

        .match-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .match-card:hover .match-cover img {
            transform: scale(1.06);
        }

        .match-cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(30, 58, 138, 0) 50%, rgba(30, 58, 138, 0.35) 100%);
        }

        .match-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            z-index: 2;
            background: rgba(255, 255, 255, 0.94);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 30px;
            backdrop-filter: blur(4px);
        }

        .match-body {
            padding: 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .match-league {
            font-size: 13px;
            color: var(--accent);
            font-weight: 700;
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .match-body h3 {
            font-size: 19px;
            font-weight: 700;
            margin: 8px 0 8px;
            line-height: 1.35;
        }

        .match-body h3 a:hover {
            color: var(--primary);
        }

        .match-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.65;
            flex: 1;
            margin: 0 0 14px;
        }

        .match-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding-top: 14px;
            border-top: 1px solid var(--border);
        }

        .match-meta span {
            font-size: 13px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .match-meta i {
            color: var(--primary-light);
        }

        /* ===== 统计 ===== */
        .stats-section {
            background: linear-gradient(135deg, #172e6e 0%, #1e3a8a 60%, #1d4ed8 100%);
            color: #fff;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: "";
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
            top: -150px;
            right: -100px;
        }

        .stat-item {
            text-align: center;
            padding: 30px 20px;
            position: relative;
            z-index: 1;
        }

        .stat-num {
            font-size: 52px;
            font-weight: 800;
            line-height: 1;
            color: var(--accent-light);
            letter-spacing: -1px;
        }

        .stat-label {
            margin-top: 12px;
            font-size: 16px;
            font-weight: 500;
            opacity: 0.85;
        }

        .stat-tip {
            font-size: 13px;
            opacity: 0.5;
            margin-top: 4px;
        }

        /* ===== 资讯列表 ===== */
        .news-section {
            padding: 80px 0;
        }

        .news-list-wrap {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 0 28px;
            box-shadow: var(--shadow-sm);
        }

        .news-item {
            display: flex;
            gap: 22px;
            padding: 26px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .news-item:last-child {
            border-bottom: none;
        }

        .news-item:hover {
            padding-left: 8px;
        }

        .news-date {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-width: 66px;
            height: 66px;
            background: #f8fafc;
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            flex-shrink: 0;
        }

        .date-day {
            font-size: 24px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1;
        }

        .date-month {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 4px;
        }

        .news-main {
            flex: 1;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 6px;
            flex-wrap: wrap;
        }

        .badge-soft {
            display: inline-block;
            background: rgba(59, 130, 246, 0.10);
            color: var(--primary);
            font-size: 12px;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 30px;
        }

        .news-time {
            font-size: 13px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-main h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-main h3 a:hover {
            color: var(--primary);
        }

        .news-main p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        .news-more {
            text-align: center;
            margin-top: 32px;
        }

        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            background: var(--primary);
            color: #fff;
            font-weight: 600;
            border-radius: 50px;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 14px rgba(30, 58, 138, 0.25);
        }

        .btn-more:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(30, 58, 138, 0.35);
            background: var(--primary-dark);
            color: #fff;
        }

        /* ===== 侧边栏 ===== */
        .sidebar-widget {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 26px;
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }

        .sidebar-title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: inline-block;
        }

        .hot-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .hot-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
        }

        .hot-list li:last-child {
            border-bottom: none;
        }

        .hot-num {
            font-size: 22px;
            font-weight: 800;
            color: #cbd5e1;
            min-width: 30px;
            text-align: center;
        }

        .hot-list li:nth-child(-n+3) .hot-num {
            color: var(--accent);
        }

        .hot-info {
            flex: 1;
        }

        .hot-info h4 {
            font-size: 14px;
            font-weight: 600;
            margin: 0 0 4px;
            line-height: 1.4;
        }

        .hot-info h4 a:hover {
            color: var(--primary);
        }

        .hot-info span {
            font-size: 12px;
            color: var(--text-muted);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .remind-box {
            background: linear-gradient(135deg, #f8fafc, #f1f5f9);
            border-radius: var(--radius-md);
            padding: 20px;
            margin-top: 16px;
            border: 1px solid var(--border);
        }

        .remind-box p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 14px;
        }

        .btn-remind {
            width: 100%;
            padding: 10px;
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 30px;
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
        }

        .btn-remind:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        /* ===== 观赛指南 ===== */
        .guide-section {
            padding: 80px 0;
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .guide-step {
            text-align: center;
            padding: 30px 20px;
            position: relative;
        }

        .guide-step::after {
            content: "→";
            position: absolute;
            right: -8px;
            top: 45%;
            font-size: 28px;
            font-weight: 300;
            color: var(--primary-light);
        }

        .guide-step:last-child::after {
            display: none;
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 20px;
            box-shadow: 0 8px 24px rgba(59, 130, 246, 0.3);
        }

        .guide-step h3 {
            font-size: 19px;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .guide-step p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 80px 0;
        }

        .accordion-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: #fff;
        }

        .accordion-button {
            font-weight: 600;
            font-size: 16px;
            color: var(--text);
            padding: 20px 24px;
            background: #fff;
            box-shadow: none;
            border: none;
        }

        .accordion-button:not(.collapsed) {
            background: #f8fafc;
            color: var(--primary);
            box-shadow: none;
        }

        .accordion-button:focus {
            box-shadow: none;
            border-color: transparent;
        }

        .accordion-button::after {
            transition: var(--transition);
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%231e3a8a' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
        }

        .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
        }

        .cta-box {
            background: linear-gradient(120deg, #172e6e 0%, #1d4ed8 60%, #2563eb 100%);
            border-radius: 28px;
            padding: 60px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-box::before {
            content: "";
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.06);
            top: -80px;
            left: -60px;
        }

        .cta-box::after {
            content: "";
            position: absolute;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(245, 158, 11, 0.12);
            bottom: -50px;
            right: -30px;
        }

        .cta-box h2 {
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-box p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            margin: 0 auto 32px;
            position: relative;
            z-index: 1;
        }

        .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 38px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            font-size: 16px;
            border-radius: 50px;
            border: none;
            box-shadow: 0 8px 28px rgba(245, 158, 11, 0.4);
            transition: var(--transition);
            position: relative;
            z-index: 1;
        }

        .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 36px rgba(245, 158, 11, 0.55);
            color: #fff;
            background: #f59e0b;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0f172a;
            color: #94a3b8;
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand h3 {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            margin-bottom: 16px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
        }

        .footer-brand h3 i {
            color: var(--accent-light);
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin: 0;
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h4::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 0;
            width: 30px;
            height: 2px;
            background: var(--accent);
        }

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

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: #94a3b8;
            font-size: 14px;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
        }

        .footer-contact i {
            color: var(--accent-light);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: #64748b;
        }

        .footer-bottom a {
            color: #94a3b8;
        }

        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .page-hero h1 {
                font-size: 42px;
            }

            .stat-num {
                font-size: 44px;
            }
        }

        @media (max-width: 991.98px) {
            .nav-panel {
                display: none;
                position: absolute;
                top: calc(100% + 10px);
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                background: #fff;
                border: 1px solid var(--border);
                border-radius: 16px;
                padding: 14px;
                box-shadow: var(--shadow-lg);
                z-index: 100;
            }

            .nav-panel.open {
                display: flex;
            }

            .nav-item {
                padding: 12px 16px;
                border-radius: 12px;
            }

            .header-cta {
                display: none;
            }

            .nav-toggle {
                display: inline-flex;
            }

            .page-hero {
                padding: 90px 0 80px;
            }

            .page-hero h1 {
                font-size: 36px;
            }

            .section-head h2 {
                font-size: 28px;
            }

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

            .cta-box {
                padding: 46px 30px;
            }

            .cta-box h2 {
                font-size: 28px;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero p {
                font-size: 16px;
            }

            .hero-meta {
                gap: 16px;
            }

            .news-item {
                flex-direction: column;
                gap: 12px;
            }

            .news-date {
                width: 60px;
                height: 60px;
            }

            .guide-step::after {
                content: "↓";
                position: static;
                display: block;
                font-size: 24px;
                margin: 0 auto 10px;
            }

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

            .stats-section {
                padding: 50px 0;
            }

            .stat-num {
                font-size: 38px;
            }
        }

        @media (max-width: 575.98px) {
            .section-padding {
                padding: 60px 0;
            }

            .cat-section {
                padding: 50px 0 20px;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .page-hero {
                padding: 70px 0 60px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .hero-actions .btn-light-custom,
            .hero-actions .btn-outline-custom {
                width: 100%;
                justify-content: center;
            }

            .news-list-wrap {
                padding: 0 18px;
            }

            .cta-box {
                padding: 36px 22px;
                border-radius: 20px;
            }

            .cta-box h2 {
                font-size: 24px;
            }

            .cta-box p {
                font-size: 14px;
            }

            .btn-cta {
                width: 100%;
                justify-content: center;
            }

            .brand-logo {
                font-size: 18px;
            }

            .brand-logo i {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
        }