/* roulang page: index */
:root {
  --primary: #9E1F2C;
  --primary-dark: #7D1823;
  --primary-light: #C23545;
  --accent: #C9A063;
  --accent-light: #E8D5B5;
  --bg: #F7F5F2;
  --bg-white: #FFFFFF;
  --text: #1F1F1F;
  --text-light: #5F5F5F;
  --text-lighter: #9B9B9B;
  --border: #E8E2DC;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 24px;
  --shadow-sm: 0 2px 10px rgba(0,0,0,0.05);
  --shadow-md: 0 6px 24px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 48px rgba(0,0,0,0.12);
  --transition: all 0.3s cubic-bezier(0.4,0,0.2,1);
  --container: 1200px;
  --nav-h: 76px;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html { scroll-behavior: smooth; }

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

img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary); }
ul { list-style: none; }
button { cursor: pointer; border: none; background: none; font: inherit; }
input, textarea { font: inherit; }

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

/* ========== Buttons ========== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
  cursor: pointer;
}
.btn:focus-visible { outline: 3px solid rgba(158,31,44,0.35); outline-offset: 2px; }
.btn-lg { padding: 15px 36px; font-size: 16px; }
.btn-sm { padding: 8px 20px; font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 18px rgba(158,31,44,0.28); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 28px rgba(158,31,44,0.35); color: #fff; }
.btn-outline-light { border-color: rgba(255,255,255,0.8); color: #fff; background: rgba(255,255,255,0.08); backdrop-filter: blur(4px); }
.btn-outline-light:hover { background: rgba(255,255,255,0.18); border-color: #fff; transform: translateY(-2px); color: #fff; }
.btn-accent { background: var(--accent); color: #fff; box-shadow: 0 4px 18px rgba(201,160,99,0.3); }
.btn-accent:hover { background: #B58F4E; transform: translateY(-2px); color: #fff; }

/* ========== Badge ========== */
.badge {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  line-height: 1;
}
.badge-primary { background: rgba(158,31,44,0.1); color: var(--primary); }
.badge-accent { background: rgba(201,160,99,0.15); color: #9A7B36; }
.badge-light { background: rgba(255,255,255,0.18); color: #fff; backdrop-filter: blur(6px); border: 1px solid rgba(255,255,255,0.25); }

/* ========== Header / Nav ========== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 2px 20px rgba(0,0,0,0.03);
  transition: var(--transition);
}
.site-header.scrolled { box-shadow: 0 6px 30px rgba(0,0,0,0.07); }
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: var(--nav-h);
  gap: 20px;
}
.logo {
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.5px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 14px; font-weight: 800;
  box-shadow: 0 4px 14px rgba(158,31,44,0.3);
}
.logo span { font-weight: 700; color: var(--text); }
.logo span:last-child { color: var(--text-light); font-weight: 400; }

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  padding: 8px 16px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-light);
  position: relative;
  transition: var(--transition);
}
.nav-link:hover { color: var(--primary); background: rgba(158,31,44,0.04); }
.nav-link.active { color: var(--primary); font-weight: 700; background: rgba(158,31,44,0.08); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 50%;
  transform: translateX(-50%);
  width: 20px; height: 3px;
  border-radius: 3px;
  background: var(--primary);
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.search-box {
  position: relative;
  width: 200px;
}
.search-box input {
  width: 100%;
  height: 40px;
  border: 1px solid var(--border);
  border-radius: 50px;
  padding: 0 40px 0 16px;
  background: #F5F4F2;
  font-size: 14px;
  color: var(--text);
  transition: var(--transition);
}
.search-box input:focus {
  outline: none;
  border-color: var(--accent);
  background: #fff;
  box-shadow: 0 0 0 4px rgba(201,160,99,0.12);
}
.search-box i {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-lighter);
  pointer-events: none;
}
.mobile-toggle {
  display: none;
  font-size: 22px;
  color: var(--text);
  width: 42px; height: 42px;
  border-radius: 8px;
  justify-content: center;
  align-items: center;
  transition: var(--transition);
  border: 1px solid var(--border);
  background: #fff;
}
.mobile-toggle:hover { color: var(--primary); border-color: var(--primary); }

/* ========== Hero ========== */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 80px 0;
  overflow: hidden;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(15,10,12,0.72) 0%, rgba(15,10,12,0.42) 50%, rgba(15,10,12,0.2) 100%);
}
.hero::after {
  content: '';
  position: absolute;
  bottom: -1px; left: 0; right: 0;
  height: 60px;
  background: linear-gradient(to top, rgba(247,245,242,0.6), transparent);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 640px;
  color: #fff;
  animation: fadeInUp 0.6s ease both;
}
@keyframes fadeInUp {
  from { opacity: 0; transform: translateY(28px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-content .badge { margin-bottom: 20px; }
.hero-content h1 {
  font-size: clamp(36px, 5.5vw, 56px);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.5px;
  margin: 18px 0 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.25);
}
.hero-content p {
  font-size: clamp(15px, 2vw, 17px);
  color: rgba(255,255,255,0.85);
  line-height: 1.8;
  max-width: 480px;
  margin-bottom: 30px;
}
.hero-buttons { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 42px;
  margin-top: 52px;
  padding-top: 28px;
  border-top: 1px solid rgba(255,255,255,0.18);
}
.hero-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.stat-num { font-size: 28px; font-weight: 800; line-height: 1; letter-spacing: -0.5px; }
.stat-label { font-size: 13px; color: rgba(255,255,255,0.65); }

/* ========== Section General ========== */
.section { padding: 78px 0; }
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 48px;
}
.section-tag {
  display: inline-block;
  padding: 6px 18px;
  border-radius: 50px;
  background: var(--accent-light);
  color: #8D6C2F;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 16px;
}
.section-head h2 {
  font-size: clamp(28px, 4vw, 38px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -0.5px;
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.7;
}

/* ========== Intro ========== */
.intro-section { background: var(--bg-white); }
.intro-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}
.intro-content h3 {
  font-size: 26px;
  font-weight: 700;
  margin-bottom: 16px;
}
.intro-content p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 16px;
}
.intro-list {
  display: grid;
  gap: 12px;
  margin-top: 20px;
}
.intro-list li {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  font-size: 15px;
  color: var(--text);
}
.intro-list li i {
  color: var(--primary);
  font-size: 18px;
  margin-top: 3px;
}
.intro-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.intro-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 60%, rgba(15,10,12,0.25));
}
.intro-media img { width: 100%; height: auto; }

/* ========== Category Cards ========== */
.category-section { background: var(--bg); }
.cat-card {
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #fff;
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: block;
  height: 100%;
  border: 1px solid rgba(232,226,220,0.8);
}
.cat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
}
.cat-card-img {
  position: relative;
  height: 200px;
  overflow: hidden;
}
.cat-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}
.cat-card:hover .cat-card-img img { transform: scale(1.06); }
.cat-card-img::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 55%, rgba(15,10,12,0.28));
}
.cat-card-body { padding: 22px 24px 26px; }
.cat-card-body h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
}
.cat-card-body p {
  color: var(--text-light);
  font-size: 14px;
  line-height: 1.7;
  margin-bottom: 16px;
}
.cat-card-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition);
}
.cat-card-link i { transition: transform 0.3s ease; }
.cat-card-link:hover i { transform: translateX(4px); }

/* ========== Features ========== */
.features-section {
  background: var(--bg-white);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.feature-card {
  text-align: center;
  padding: 36px 22px;
  border-radius: var(--radius-md);
  background: var(--bg);
  transition: var(--transition);
  height: 100%;
  border: 1px solid transparent;
}
.feature-card:hover {
  background: #fff;
  border-color: var(--border);
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.feature-icon {
  width: 68px; height: 68px;
  margin: 0 auto 18px;
  border-radius: 20px;
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 26px;
  box-shadow: 0 6px 20px rgba(158,31,44,0.25);
}
.feature-icon.accent-icon { background: linear-gradient(135deg, var(--accent), #A88447); box-shadow: 0 6px 20px rgba(201,160,99,0.3); }
.feature-card h3 { font-size: 17px; font-weight: 700; margin-bottom: 8px; }
.feature-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }

/* ========== News ========== */
.news-section { background: var(--bg); }
.news-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
  margin-bottom: 36px;
}
.news-card {
  background: #fff;
  border-radius: var(--radius-md);
  padding: 26px;
  border: 1px solid rgba(232,226,220,0.7);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  display: block;
  border-left: 4px solid var(--primary);
}
.news-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-left-width: 5px;
}
.news-card h3 {
  font-size: 17px;
  font-weight: 600;
  margin-bottom: 8px;
  line-height: 1.5;
  color: var(--text);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-card h3:hover { color: var(--primary); }
.news-card p {
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.7;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.news-cat {
  padding: 4px 12px;
  border-radius: 50px;
  background: rgba(158,31,44,0.08);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
}
.news-date { font-size: 13px; color: var(--text-lighter); }
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 48px 20px;
  background: rgba(255,255,255,0.7);
  border-radius: var(--radius-md);
  border: 2px dashed var(--border);
  color: var(--text-light);
  font-size: 15px;
}
.news-more { text-align: center; }

/* ========== Stats ========== */
.stats-section {
  position: relative;
  padding: 90px 0;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  color: #fff;
  text-align: center;
}
.stats-section::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(125,24,35,0.9), rgba(90,15,25,0.82));
}
.stats-grid { position: relative; z-index: 1; display: grid; grid-template-columns: repeat(4, 1fr); gap: 36px; }
.stats-grid .stat { padding: 20px; }
.stats-grid .stat-num { font-size: clamp(32px, 5vw, 44px); font-weight: 800; display: block; margin-bottom: 6px; }
.stats-grid .stat-label { font-size: 15px; color: rgba(255,255,255,0.78); }

/* ========== Process ========== */
.process-section { background: var(--bg-white); }
.process-card {
  text-align: center;
  padding: 30px 20px;
  position: relative;
}
.process-step {
  width: 56px; height: 56px;
  margin: 0 auto 16px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-size: 20px;
  font-weight: 800;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 6px 20px rgba(158,31,44,0.3);
  position: relative;
  z-index: 1;
}
.process-card h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; }
.process-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; }
.process-arrow {
  position: absolute;
  right: -12px;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-lighter);
  font-size: 20px;
  z-index: 2;
}
@media (max-width: 900px) {
  .process-arrow { display: none; }
}

/* ========== Showcase ========== */
.showcase-section { background: var(--bg); }
.showcase-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 56px;
  align-items: center;
}
.showcase-media {
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.showcase-media img { width: 100%; height: auto; }
.showcase-content h2 {
  font-size: 26px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.4;
}
.showcase-content p {
  color: var(--text-light);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 24px;
}
.showcase-list {
  display: grid;
  gap: 14px;
  margin-bottom: 28px;
}
.showcase-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
}
.showcase-list li i {
  margin-top: 4px;
  color: var(--primary);
}

/* ========== FAQ ========== */
.faq-section { background: var(--bg-white); }
.faq-list { max-width: 820px; margin: 0 auto; display: grid; gap: 14px; }
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: #fff;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(158,31,44,0.3); }
.faq-question {
  width: 100%;
  text-align: left;
  padding: 18px 24px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  display: flex;
  justify-content: space-between;
  gap: 14px;
  background: transparent;
  transition: var(--transition);
}
.faq-question:hover { color: var(--primary); }
.faq-question i {
  color: var(--text-lighter);
  transition: transform 0.3s ease;
  align-self: center;
}
.faq-item.open .faq-question i { transform: rotate(45deg); color: var(--primary); }
.faq-answer {
  padding: 0 24px;
  max-height: 0;
  overflow: hidden;
  font-size: 14px;
  color: var(--text-light);
  line-height: 1.8;
  transition: max-height 0.35s ease, padding 0.35s ease;
}
.faq-item.open .faq-answer {
  padding-bottom: 20px;
  max-height: 300px;
}

/* ========== CTA ========== */
.cta-section {
  position: relative;
  padding: 100px 0;
  background-size: cover;
  background-position: center;
  text-align: center;
  color: #fff;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(120deg, rgba(125,24,35,0.88), rgba(90,15,25,0.76));
}
.cta-inner { position: relative; z-index: 1; max-width: 700px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(28px, 4vw, 40px); font-weight: 800; margin-bottom: 16px; }
.cta-inner p { font-size: 16px; color: rgba(255,255,255,0.85); margin-bottom: 32px; line-height: 1.8; }
.cta-buttons { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ========== Footer ========== */
.site-footer {
  background: #191313;
  color: rgba(255,255,255,0.7);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-brand .logo { color: #fff; margin-bottom: 18px; }
.footer-brand p {
  font-size: 14px;
  color: rgba(255,255,255,0.55);
  line-height: 1.8;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
}
.footer-col ul { display: grid; gap: 10px; }
.footer-col ul a { font-size: 14px; color: rgba(255,255,255,0.6); }
.footer-col ul a:hover { color: var(--accent); }
.footer-bottom {
  padding: 22px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  border-top: 1px solid rgba(255,255,255,0.05);
}

/* ========== Responsive ========== */
@media (max-width: 1024px) {
  :root { --container: 90%; }
  .hero { min-height: 540px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 900px) {
  .header-actions .search-box { display: none; }
  .main-nav {
    position: fixed;
    top: var(--nav-h);
    left: 0; right: 0;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    padding: 12px 20px;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 20px 40px rgba(0,0,0,0.08);
    transform: translateY(-120%);
    opacity: 0;
    pointer-events: none;
    transition: var(--transition);
    z-index: 99;
  }
  .main-nav.open {
    transform: translateY(0);
    opacity: 1;
    pointer-events: auto;
  }
  .main-nav .nav-link {
    padding: 14px 12px;
    border-radius: 8px;
    border-bottom: 1px solid rgba(232,226,220,0.4);
  }
  .main-nav .nav-link:last-child { border-bottom: none; }
  .nav-link.active::after { display: none; }
  .nav-link.active { background: rgba(158,31,44,0.08); }
  .mobile-toggle { display: flex; }
  .intro-grid, .showcase-grid { grid-template-columns: 1fr; gap: 36px; }
  .news-list { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

@media (max-width: 600px) {
  .section { padding: 56px 0; }
  .hero-stats { gap: 30px; flex-wrap: wrap; }
  .hero-stats .stat { flex-direction: row; gap: 8px; align-items: baseline; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 20px; }
  .stats-section { padding: 60px 0; }
  .cat-card-img { height: 160px; }
  .btn { padding: 10px 22px; font-size: 14px; }
  .btn-lg { padding: 13px 28px; font-size: 15px; }
  .cta-section { padding: 70px 0; }
  .faq-question { padding: 14px 18px; font-size: 15px; }
  .faq-answer { padding: 0 18px; }
}

@media (max-width: 520px) {
  .header-actions .btn { display: none; }
  .logo { font-size: 17px; }
  .hero { min-height: 480px; padding: 60px 0; }
  .hero-buttons { width: 100%; }
  .hero-buttons .btn { flex: 1; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
}

/* roulang page: category1 */
:root {
      --primary: #0F2B46;
      --primary-light: #1A3A5C;
      --accent: #C8A24A;
      --accent-light: #E3CD8A;
      --bg: #F6F7F9;
      --card-bg: #FFFFFF;
      --text: #1A2A3A;
      --text-muted: #6B7A8C;
      --border: #E5E9EF;
      --radius: 16px;
      --shadow-sm: 0 2px 8px rgba(15, 43, 70, 0.06);
      --shadow-md: 0 6px 24px rgba(15, 43, 70, 0.08);
      --shadow-lg: 0 12px 40px rgba(15, 43, 70, 0.14);
      --transition: all 0.3s ease;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
      background: var(--bg);
      color: var(--text);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

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

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

    ul,
    ol {
      list-style: none;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 24px;
    }

    /* ========== Header ========== */
    .site-header {
      background: rgba(255, 255, 255, 0.95);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-bottom: 1px solid var(--border);
      position: sticky;
      top: 0;
      z-index: 100;
      box-shadow: 0 1px 4px rgba(15, 43, 70, 0.04);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      min-height: 72px;
      gap: 24px;
    }

    .logo {
      display: flex;
      align-items: center;
      gap: 12px;
      font-size: 20px;
      font-weight: 800;
      color: var(--text);
      white-space: nowrap;
      flex-shrink: 0;
    }

    .logo-icon {
      width: 42px;
      height: 42px;
      border-radius: 12px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 900;
      font-size: 16px;
      letter-spacing: 0.5px;
      box-shadow: 0 4px 12px rgba(15, 43, 70, 0.22);
    }

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

    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
      flex: 1;
      justify-content: center;
    }

    .nav-link {
      padding: 8px 18px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 500;
      color: var(--text-muted);
      transition: var(--transition);
    }

    .nav-link:hover {
      color: var(--primary);
      background: rgba(15, 43, 70, 0.04);
    }

    .nav-link.active {
      color: var(--primary);
      background: rgba(15, 43, 70, 0.06);
      font-weight: 600;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }

    .search-box {
      position: relative;
    }

    .search-box input {
      height: 40px;
      border-radius: 20px;
      border: 1px solid var(--border);
      padding: 0 40px 0 16px;
      font-size: 14px;
      width: 200px;
      background: var(--bg);
      transition: var(--transition);
      box-shadow: none;
    }

    .search-box input:focus {
      outline: none;
      border-color: var(--accent);
      box-shadow: 0 0 0 3px rgba(200, 162, 74, 0.15);
      width: 240px;
      background: #fff;
    }

    .search-box i {
      position: absolute;
      right: 14px;
      top: 50%;
      transform: translateY(-50%);
      color: var(--text-muted);
      font-size: 14px;
      pointer-events: none;
    }

    .btn {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 10px 24px;
      border-radius: 24px;
      font-weight: 600;
      font-size: 14px;
      line-height: 1.4;
      border: none;
      cursor: pointer;
      transition: var(--transition);
    }

    .btn-primary {
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      box-shadow: 0 4px 14px rgba(15, 43, 70, 0.25);
    }

    .btn-primary:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(15, 43, 70, 0.3);
      color: #fff;
    }

    .btn-accent {
      background: linear-gradient(135deg, var(--accent), var(--accent-light));
      color: #fff;
      box-shadow: 0 4px 14px rgba(200, 162, 74, 0.3);
    }

    .btn-accent:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 24px rgba(200, 162, 74, 0.35);
      color: #fff;
    }

    .btn-ghost {
      background: transparent;
      border: 2px solid rgba(255, 255, 255, 0.7);
      color: #fff;
    }

    .btn-ghost:hover {
      background: rgba(255, 255, 255, 0.1);
      border-color: #fff;
      color: #fff;
      transform: translateY(-2px);
    }

    .menu-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--text);
      cursor: pointer;
      padding: 8px;
      line-height: 1;
    }

    /* ========== Page Hero ========== */
    .page-hero {
      position: relative;
      padding: 88px 0 72px;
      background: linear-gradient(135deg, rgba(15, 43, 70, 0.93), rgba(15, 43, 70, 0.78)), url('/assets/images/backpic/back-1.png') center / cover no-repeat;
      color: #fff;
      overflow: hidden;
    }

    .page-hero::after {
      content: '';
      position: absolute;
      bottom: -60px;
      right: -30px;
      width: 320px;
      height: 320px;
      border-radius: 50%;
      background: rgba(200, 162, 74, 0.14);
      pointer-events: none;
    }

    .page-hero::before {
      content: '';
      position: absolute;
      top: -80px;
      left: 20%;
      width: 180px;
      height: 180px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.04);
      pointer-events: none;
    }

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

    .breadcrumb {
      display: flex;
      gap: 8px;
      align-items: center;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.7);
      margin-bottom: 20px;
    }

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

    .breadcrumb .sep {
      opacity: 0.5;
    }

    .page-hero h1 {
      font-size: 42px;
      font-weight: 800;
      line-height: 1.25;
      margin-bottom: 16px;
      color: #fff;
    }

    .page-hero h1 .hl {
      color: var(--accent-light);
      position: relative;
    }

    .page-hero p.lead {
      font-size: 17px;
      max-width: 660px;
      color: rgba(255, 255, 255, 0.85);
      line-height: 1.8;
      margin-bottom: 30px;
    }

    .hero-meta {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
    }

    .hero-meta .meta-item {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-size: 14px;
      color: rgba(255, 255, 255, 0.85);
      background: rgba(255, 255, 255, 0.1);
      padding: 8px 18px;
      border-radius: 24px;
      border: 1px solid rgba(255, 255, 255, 0.15);
      backdrop-filter: blur(4px);
    }

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

    /* ========== Sections ========== */
    .section {
      padding: 80px 0;
    }

    .section-alt {
      background: #fff;
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

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

    .section-head {
      text-align: center;
      max-width: 700px;
      margin: 0 auto 52px;
    }

    .section-tag {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 13px;
      font-weight: 600;
      color: var(--accent);
      background: rgba(200, 162, 74, 0.1);
      padding: 6px 18px;
      border-radius: 20px;
      margin-bottom: 16px;
      letter-spacing: 1px;
    }

    .section-head h2 {
      font-size: 32px;
      font-weight: 800;
      color: var(--text);
      line-height: 1.3;
      margin-bottom: 12px;
    }

    .section-head p {
      color: var(--text-muted);
      font-size: 16px;
      line-height: 1.7;
    }

    /* ========== News Cards ========== */
    .grid-x > .cell {
      margin-bottom: 28px;
    }

    .cell > .news-card {
      height: 100%;
    }

    .news-card {
      background: var(--card-bg);
      border-radius: var(--radius);
      overflow: hidden;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      display: flex;
      flex-direction: column;
    }

    .news-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: rgba(200, 162, 74, 0.32);
    }

    .news-cover {
      position: relative;
      height: 210px;
      overflow: hidden;
      background: var(--primary-light);
    }

    .news-cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform 0.5s ease;
    }

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

    .news-badge {
      position: absolute;
      top: 16px;
      left: 16px;
      background: rgba(15, 43, 70, 0.9);
      color: #fff;
      padding: 5px 14px;
      border-radius: 16px;
      font-size: 12px;
      font-weight: 600;
      backdrop-filter: blur(4px);
      letter-spacing: 0.5px;
    }

    .news-body {
      padding: 24px;
      flex: 1;
      display: flex;
      flex-direction: column;
    }

    .news-meta {
      display: flex;
      gap: 16px;
      font-size: 13px;
      color: var(--text-muted);
      margin-bottom: 12px;
    }

    .news-meta i {
      color: var(--accent);
      margin-right: 4px;
    }

    .news-body h3 {
      font-size: 18px;
      font-weight: 700;
      line-height: 1.4;
      margin-bottom: 10px;
    }

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

    .news-body p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
      flex: 1;
      margin-bottom: 16px;
    }

    .news-more {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      font-size: 14px;
      font-weight: 600;
      color: var(--primary);
    }

    .news-more i {
      transition: transform 0.3s;
      font-size: 12px;
    }

    .news-more:hover i {
      transform: translateX(4px);
    }

    /* ========== Featured Section ========== */
    .featured-image {
      border-radius: var(--radius);
      overflow: hidden;
      box-shadow: var(--shadow-lg);
      position: relative;
    }

    .featured-image img {
      width: 100%;
      height: 440px;
      object-fit: cover;
    }

    .featured-image::after {
      content: '';
      position: absolute;
      bottom: 0;
      left: 0;
      right: 0;
      height: 50%;
      background: linear-gradient(to top, rgba(15, 43, 70, 0.35), transparent);
      pointer-events: none;
    }

    .featured-list {
      display: flex;
      flex-direction: column;
      justify-content: center;
      height: 100%;
    }

    .featured-item {
      display: flex;
      align-items: flex-start;
      gap: 18px;
      padding: 22px 0;
      border-bottom: 1px solid var(--border);
      transition: var(--transition);
    }

    .featured-item:first-child {
      padding-top: 0;
    }

    .featured-item:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

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

    .featured-num {
      font-size: 30px;
      font-weight: 900;
      color: rgba(200, 162, 74, 0.4);
      line-height: 1;
      min-width: 46px;
      font-style: italic;
    }

    .featured-item h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
      line-height: 1.4;
    }

    .featured-item h3 a:hover {
      color: var(--primary);
    }

    .featured-item p {
      font-size: 13px;
      color: var(--text-muted);
      line-height: 1.6;
    }

    .featured-item .date {
      font-size: 12px;
      color: var(--text-muted);
      margin-top: 6px;
      display: block;
    }

    .featured-item .date i {
      color: var(--accent);
      margin-right: 4px;
    }

    /* ========== Timeline ========== */
    .timeline {
      position: relative;
      max-width: 820px;
      margin: 0 auto;
      padding: 24px 0;
    }

    .timeline::before {
      content: '';
      position: absolute;
      left: 22px;
      top: 0;
      bottom: 0;
      width: 2px;
      background: linear-gradient(to bottom, var(--accent), var(--primary));
      opacity: 0.25;
    }

    .timeline-item {
      position: relative;
      padding-left: 64px;
      padding-bottom: 40px;
    }

    .timeline-item:last-child {
      padding-bottom: 0;
    }

    .timeline-item::before {
      content: '';
      position: absolute;
      left: 15px;
      top: 6px;
      width: 16px;
      height: 16px;
      border-radius: 50%;
      background: var(--accent);
      border: 4px solid #fff;
      box-shadow: 0 0 0 4px rgba(200, 162, 74, 0.2);
    }

    .timeline-item h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text);
    }

    .timeline-item .tl-date {
      font-size: 13px;
      color: var(--accent);
      font-weight: 600;
      margin-bottom: 8px;
      display: block;
      letter-spacing: 0.5px;
    }

    .timeline-item p {
      font-size: 14px;
      color: var(--text-muted);
      line-height: 1.7;
    }

    /* ========== FAQ Accordion ========== */
    .faq-accordion {
      max-width: 860px;
      margin: 0 auto;
      background: transparent;
      border: none;
    }

    .faq-accordion .accordion-item {
      background: var(--card-bg);
      border: 1px solid var(--border);
      border-radius: 12px;
      margin-bottom: 14px;
      box-shadow: var(--shadow-sm);
      transition: var(--transition);
      overflow: hidden;
    }

    .faq-accordion .accordion-item:hover {
      box-shadow: var(--shadow-md);
      border-color: rgba(200, 162, 74, 0.3);
    }

    .faq-accordion .accordion-title {
      padding: 22px 52px 22px 26px;
      font-size: 16px;
      font-weight: 700;
      color: var(--text);
      display: flex;
      align-items: flex-start;
      gap: 12px;
      position: relative;
      background: transparent;
      border: none;
      line-height: 1.5;
    }

    .faq-accordion .accordion-title:hover {
      background: rgba(200, 162, 74, 0.04);
      color: var(--text);
    }

    .faq-accordion .accordion-title i {
      color: var(--accent);
      margin-top: 3px;
      flex-shrink: 0;
    }

    .faq-accordion .accordion-title::after {
      content: '\f078';
      font-family: 'Font Awesome 6 Free';
      font-weight: 900;
      position: absolute;
      right: 24px;
      top: 24px;
      font-size: 14px;
      color: var(--text-muted);
      transition: transform 0.3s;
    }

    .faq-accordion .accordion-item.is-active .accordion-title::after {
      transform: rotate(180deg);
    }

    .faq-accordion .accordion-content {
      padding: 0 26px 24px 54px;
      border: none;
      background: transparent;
      color: var(--text-muted);
      font-size: 14px;
      line-height: 1.75;
    }

    .faq-accordion .accordion-content p:last-child {
      margin-bottom: 0;
    }

    /* ========== CTA ========== */
    .cta-wrap {
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      border-radius: 20px;
      padding: 60px 48px;
      position: relative;
      overflow: hidden;
      text-align: center;
      color: #fff;
      box-shadow: var(--shadow-lg);
    }

    .cta-wrap::before {
      content: '';
      position: absolute;
      top: -80px;
      right: -80px;
      width: 280px;
      height: 280px;
      border-radius: 50%;
      background: rgba(200, 162, 74, 0.18);
    }

    .cta-wrap::after {
      content: '';
      position: absolute;
      bottom: -100px;
      left: -60px;
      width: 220px;
      height: 220px;
      border-radius: 50%;
      background: rgba(255, 255, 255, 0.05);
    }

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

    .cta-wrap h2 {
      font-size: 30px;
      font-weight: 800;
      margin-bottom: 14px;
      color: #fff;
    }

    .cta-wrap p {
      font-size: 16px;
      color: rgba(255, 255, 255, 0.85);
      margin-bottom: 30px;
      max-width: 560px;
      margin-left: auto;
      margin-right: auto;
      line-height: 1.7;
    }

    .cta-actions {
      display: flex;
      gap: 14px;
      justify-content: center;
      flex-wrap: wrap;
    }

    /* ========== Footer ========== */
    .site-footer {
      background: var(--primary);
      color: rgba(255, 255, 255, 0.75);
      padding: 64px 0 24px;
      margin-top: 80px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 40px;
    }

    .footer-brand .logo {
      color: #fff;
      margin-bottom: 16px;
    }

    .footer-brand .logo-icon {
      background: linear-gradient(135deg, var(--accent), var(--accent-light));
      color: var(--primary);
    }

    .footer-brand .logo span:last-child {
      background: #fff;
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.8;
      max-width: 360px;
      color: rgba(255, 255, 255, 0.6);
    }

    .footer-col h4 {
      color: #fff;
      font-size: 15px;
      font-weight: 700;
      margin-bottom: 20px;
      position: relative;
      padding-bottom: 12px;
    }

    .footer-col h4::after {
      content: '';
      position: absolute;
      left: 0;
      bottom: 0;
      width: 28px;
      height: 2px;
      background: var(--accent);
      border-radius: 2px;
    }

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

    .footer-col ul li a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.7);
      transition: var(--transition);
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.1);
      padding-top: 24px;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.5);
      line-height: 1.6;
    }

    /* ========== Responsive ========== */
    @media (max-width: 1024px) {
      .header-inner {
        gap: 16px;
      }

      .search-box input {
        width: 140px;
      }

      .search-box input:focus {
        width: 180px;
      }

      .featured-image img {
        height: 360px;
      }
    }

    @media (max-width: 768px) {
      .section {
        padding: 60px 0;
      }

      .header-inner {
        min-height: 64px;
        gap: 12px;
      }

      .menu-toggle {
        display: block;
      }

      .main-nav {
        position: fixed;
        top: 64px;
        left: 0;
        right: 0;
        background: #fff;
        flex-direction: column;
        align-items: stretch;
        padding: 16px;
        gap: 4px;
        box-shadow: 0 12px 24px rgba(15, 43, 70, 0.12);
        transform: translateY(-130%);
        transition: transform 0.3s ease;
        z-index: 99;
        border-bottom: 1px solid var(--border);
        border-radius: 0 0 16px 16px;
      }

      .main-nav.open {
        transform: translateY(0);
      }

      .nav-link {
        padding: 12px 16px;
        border-radius: 8px;
        font-size: 15px;
      }

      .header-actions .search-box {
        display: none;
      }

      .page-hero {
        padding: 64px 0 52px;
      }

      .page-hero h1 {
        font-size: 32px;
      }

      .page-hero p.lead {
        font-size: 15px;
      }

      .section-head h2 {
        font-size: 26px;
      }

      .section-head p {
        font-size: 15px;
      }

      .featured-image img {
        height: 300px;
      }

      .footer-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }

      .cta-wrap {
        padding: 44px 24px;
        border-radius: 16px;
      }

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

    @media (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .page-hero h1 {
        font-size: 28px;
      }

      .hero-meta {
        flex-direction: column;
        gap: 10px;
      }

      .hero-meta .meta-item {
        justify-content: center;
      }

      .news-cover {
        height: 180px;
      }

      .featured-image img {
        height: 220px;
      }

      .timeline-item {
        padding-left: 50px;
      }

      .timeline::before {
        left: 16px;
      }

      .timeline-item::before {
        left: 9px;
        width: 14px;
        height: 14px;
      }

      .faq-accordion .accordion-content {
        padding-left: 26px;
      }

      .btn {
        padding: 10px 20px;
      }
    }

/* roulang page: article */
:root {
  --primary: #16294d;
  --primary-light: #23406f;
  --primary-dark: #0e1c33;
  --accent: #c9a227;
  --accent-light: #e6c468;
  --accent-dark: #a07f1c;
  --bg: #f5f6f8;
  --bg-deep: #eef1f5;
  --card: #ffffff;
  --text: #172033;
  --text-light: #5f6978;
  --border: #e5e8ee;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 28px;
  --shadow: 0 10px 30px rgba(18, 28, 48, 0.07);
  --shadow-hover: 0 18px 40px rgba(18, 28, 48, 0.12);
  --transition: 0.3s ease;
  --font-main: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; font-family: var(--font-main); color: var(--text); background: var(--bg); line-height: 1.7; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: var(--primary); text-decoration: none; transition: all var(--transition); }
a:hover { color: var(--accent); }
ul, ol { margin: 0; padding: 0; list-style: none; }
input, button, select, textarea { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }

.button, .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 12px 28px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  text-decoration: none;
  white-space: nowrap;
}
.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 6px 18px rgba(22, 41, 77, 0.25);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(22, 41, 77, 0.32);
  color: #fff;
}
.btn-light {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 6px 18px rgba(0, 0, 0, 0.12);
}
.btn-light:hover { transform: translateY(-2px); color: var(--accent-dark); }
.btn-outline {
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.7);
  color: #fff;
}
.btn-outline:hover { background: rgba(255,255,255,0.14); border-color: #fff; color: #fff; }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-lg { padding: 16px 40px; font-size: 17px; }

.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  box-shadow: 0 4px 20px rgba(18, 28, 48, 0.04);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 72px; gap: 24px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon {
  display: inline-flex; align-items: center; justify-content: center;
  width: 40px; height: 40px; border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  color: #fff; font-weight: 800; font-size: 15px; letter-spacing: 0.5px;
  box-shadow: 0 6px 16px rgba(22, 41, 77, 0.28);
}
.logo-text { font-size: 19px; font-weight: 700; color: var(--primary); letter-spacing: 0.3px; }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link {
  position: relative;
  padding: 10px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  border-radius: 10px;
  transition: all var(--transition);
}
.nav-link::after {
  content: '';
  position: absolute;
  left: 18px; right: 18px; bottom: 4px;
  height: 3px;
  border-radius: 4px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform var(--transition);
}
.nav-link:hover { color: var(--primary); background: rgba(22, 41, 77, 0.05); }
.nav-link:hover::after { transform: scaleX(1); }
.nav-link.active { color: var(--primary); font-weight: 700; background: rgba(22, 41, 77, 0.06); }
.nav-link.active::after { transform: scaleX(1); }
.header-actions { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.search-form { display: flex; align-items: center; background: #f2f3f6; border: 1px solid #e9ecf1; border-radius: 50px; padding: 0 4px 0 16px; transition: all var(--transition); }
.search-form:focus-within { border-color: var(--accent); background: #fff; box-shadow: 0 0 0 4px rgba(201, 162, 39, 0.15); }
.search-form input {
  width: 160px;
  border: none;
  background: transparent;
  padding: 9px 0;
  font-size: 14px;
  color: var(--text);
  outline: none;
}
.search-form input::placeholder { color: #9aa3b2; }
.search-form button { background: none; border: none; padding: 8px 14px; color: var(--text-light); cursor: pointer; font-size: 15px; border-radius: 50%; transition: all var(--transition); }
.search-form button:hover { color: var(--accent); }
.header-cta { box-shadow: 0 6px 18px rgba(201, 162, 39, 0.3); }
.menu-toggle { display: none; flex-direction: column; gap: 5px; background: none; border: none; padding: 10px; cursor: pointer; }
.menu-toggle span { width: 22px; height: 2px; background: var(--primary); border-radius: 3px; transition: all var(--transition); }

.article-hero {
  position: relative;
  background-size: cover;
  background-position: center;
  padding: 100px 0 90px;
  color: #fff;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(12, 20, 40, 0.92) 0%, rgba(22, 41, 77, 0.78) 55%, rgba(201, 162, 39, 0.30) 100%);
  z-index: 1;
}
.article-hero-inner { position: relative; z-index: 2; max-width: 860px; }
.breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 14px; color: rgba(255,255,255,0.7); margin-bottom: 22px; }
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--accent-light); }
.breadcrumb .sep { opacity: 0.5; }
.article-title { font-size: clamp(28px, 4vw, 44px); font-weight: 800; line-height: 1.3; margin: 0 0 22px; letter-spacing: 0.5px; text-shadow: 0 4px 20px rgba(0,0,0,0.2); }
.article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 14px; }
.meta-item { display: inline-flex; align-items: center; gap: 7px; font-size: 14px; color: rgba(255,255,255,0.82); }
.badge {
  display: inline-flex; align-items: center; justify-content: center;
  padding: 5px 16px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  background: var(--accent);
  color: #fff;
  letter-spacing: 0.4px;
  box-shadow: 0 4px 12px rgba(201, 162, 39, 0.35);
}

.article-main { padding: 70px 0 40px; }
.article-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 46px 50px;
  margin-bottom: 40px;
}
.article-body { font-size: 16.5px; line-height: 1.9; color: #2c3546; }
.article-body h2 { font-size: 25px; font-weight: 800; color: var(--primary); margin: 1.8em 0 0.8em; }
.article-body h3 { font-size: 20px; font-weight: 700; color: var(--primary); margin: 1.6em 0 0.7em; }
.article-body h4 { font-size: 17px; font-weight: 700; color: var(--primary); margin: 1.4em 0 0.6em; }
.article-body p { margin-bottom: 1.4em; }
.article-body ul, .article-body ol { margin: 0 0 1.5em 1.6em; }
.article-body ul li { list-style: disc; margin-bottom: 0.5em; }
.article-body ol li { list-style: decimal; margin-bottom: 0.5em; }
.article-body img { border-radius: var(--radius); box-shadow: var(--shadow); margin: 1.6em 0; }
.article-body blockquote {
  border-left: 4px solid var(--accent);
  background: #fbf8ef;
  padding: 1.2em 1.6em;
  border-radius: 0 14px 14px 0;
  margin: 1.6em 0;
  color: #5a5240;
}
.article-body code {
  background: #eef1f5;
  padding: 3px 8px;
  border-radius: 6px;
  font-size: 0.9em;
  color: var(--primary);
}
.article-body a { color: var(--accent-dark); border-bottom: 1px solid rgba(160, 127, 28, 0.4); }
.article-body a:hover { color: var(--primary); border-color: var(--primary); }
.article-footer { margin-top: 38px; padding-top: 26px; border-top: 1px solid var(--border); }
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; }
.tag {
  display: inline-flex;
  padding: 6px 14px;
  background: #f2f4f8;
  border: 1px solid #e4e7ee;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-light);
  transition: all var(--transition);
}
.tag:hover { background: var(--primary); color: #fff; border-color: var(--primary); }
.article-missing { text-align: center; padding: 50px 20px; }
.missing-icon { font-size: 56px; color: #d3d9e2; margin-bottom: 18px; }
.article-missing h2 { font-size: 30px; font-weight: 800; color: var(--primary); margin-bottom: 10px; }
.article-missing p { font-size: 16px; color: var(--text-light); margin-bottom: 30px; }

.article-sidebar { display: flex; flex-direction: column; gap: 24px; position: sticky; top: 96px; }
.sidebar-card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; box-shadow: var(--shadow); }
.sidebar-title { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 18px; padding-bottom: 12px; border-bottom: 2px solid var(--bg-deep); position: relative; }
.sidebar-title::after {
  content: '';
  position: absolute;
  left: 0; bottom: -2px;
  width: 42px; height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.sidebar-links { display: flex; flex-direction: column; gap: 6px; }
.sidebar-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: 12px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text);
  background: #f8f9fc;
  border: 1px solid #eceef3;
  transition: all var(--transition);
}
.sidebar-link i { color: var(--accent); font-size: 16px; width: 20px; text-align: center; }
.sidebar-link:hover { background: var(--primary); color: #fff; border-color: var(--primary); transform: translateX(4px); }
.sidebar-link:hover i { color: #fff; }
.sidebar-card-image { position: relative; overflow: hidden; border: none; padding: 0; }
.sidebar-img { width: 100%; height: 210px; object-fit: cover; }
.sidebar-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(180deg, rgba(14, 28, 51, 0.2) 0%, rgba(14, 28, 51, 0.9) 100%);
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  padding: 26px;
  color: #fff;
  transition: all var(--transition);
}
.sidebar-overlay h3 { font-size: 21px; font-weight: 800; margin-bottom: 6px; }
.sidebar-overlay p { font-size: 13px; color: rgba(255,255,255,0.8); margin-bottom: 16px; }
.sidebar-list { display: flex; flex-direction: column; gap: 4px; }
.sidebar-list a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 4px;
  font-size: 14px;
  color: var(--text);
  border-bottom: 1px dashed var(--border);
  transition: all var(--transition);
}
.sidebar-list a i { font-size: 12px; color: var(--accent); }
.sidebar-list a:hover { color: var(--accent-dark); padding-left: 6px; }

.related-section { padding: 80px 0; background: var(--bg-deep); }
.section-head { text-align: center; margin-bottom: 48px; }
.section-head h2 { font-size: clamp(26px, 3vw, 36px); font-weight: 800; color: var(--primary); margin: 0 0 8px; letter-spacing: 1px; }
.section-head p { font-size: 16px; color: var(--text-light); margin: 0; }
.related-card {
  display: block;
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: var(--shadow);
  transition: all var(--transition);
  height: 100%;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-hover); }
.related-img { position: relative; overflow: hidden; }
.related-img img { width: 100%; height: 210px; object-fit: cover; transition: transform 0.5s ease; }
.related-card:hover .related-img img { transform: scale(1.06); }
.related-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 55%, rgba(14,28,51,0.25)); }
.related-info { padding: 24px 26px 26px; }
.related-info h3 { font-size: 19px; font-weight: 700; color: var(--primary); margin-bottom: 8px; }
.related-info p { font-size: 14px; color: var(--text-light); margin-bottom: 16px; line-height: 1.6; }

.faq-section { padding: 90px 0; background: var(--bg); }
.faq-list { max-width: 860px; margin: 0 auto; }
.faq-item {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition);
  box-shadow: 0 2px 8px rgba(18, 28, 48, 0.03);
}
.faq-item:hover { border-color: #d5dae4; box-shadow: var(--shadow); }
.faq-item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 28px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  cursor: pointer;
  list-style: none;
  transition: color var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 14px;
  color: var(--accent);
  transition: transform var(--transition);
  flex-shrink: 0;
}
.faq-item[open] summary { color: var(--primary); }
.faq-item[open] summary::after { transform: rotate(180deg); }
.faq-answer { padding: 0 28px 22px; font-size: 14.5px; color: var(--text-light); line-height: 1.8; border-top: 1px dashed var(--border); padding-top: 16px; }

.cta-section {
  position: relative;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 70%, var(--primary-light) 100%);
  padding: 90px 0;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  top: -60%; right: -20%;
  width: 600px; height: 600px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(201, 162, 39, 0.25), transparent 65%);
  pointer-events: none;
}
.cta-content { position: relative; z-index: 2; max-width: 720px; margin: 0 auto; }
.cta-title { font-size: clamp(26px, 3.4vw, 38px); font-weight: 800; margin-bottom: 14px; letter-spacing: 1px; }
.cta-desc { font-size: 16px; color: rgba(255,255,255,0.82); margin-bottom: 36px; }
.cta-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }

.site-footer { background: #0f1626; color: rgba(255,255,255,0.65); padding: 70px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 60px; padding-bottom: 50px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .logo { margin-bottom: 18px; }
.footer-brand .logo-icon { background: linear-gradient(135deg, var(--accent), var(--accent-dark)); }
.footer-brand .logo-text { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.8; max-width: 320px; margin: 0; }
.footer-col h4 { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 20px; }
.footer-col ul { display: flex; flex-direction: column; gap: 12px; }
.footer-col ul li a { color: rgba(255,255,255,0.6); font-size: 14px; transition: all var(--transition); }
.footer-col ul li a:hover { color: var(--accent-light); padding-left: 6px; }
.footer-bottom { padding: 22px 0; text-align: center; font-size: 13px; color: rgba(255,255,255,0.4); }

@media (max-width: 1024px) {
  .search-form { display: none; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 40px; }
  .article-card { padding: 36px 34px; }
}
@media (max-width: 768px) {
  .header-inner { height: 64px; }
  .menu-toggle { display: flex; }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0; right: 0;
    flex-direction: column;
    align-items: stretch;
    background: #fff;
    padding: 14px 20px 24px;
    box-shadow: 0 24px 50px rgba(18, 28, 48, 0.15);
    border-bottom: 1px solid var(--border);
    display: none;
  }
  .main-nav.open { display: block; }
  .nav-link { padding: 14px 20px; font-size: 15px; border-radius: 12px; }
  .nav-link::after { display: none; }
  .header-cta { display: none; }
  .article-hero { padding: 70px 0 60px; }
  .article-main { padding: 50px 0 20px; }
  .article-card { padding: 28px 22px; border-radius: var(--radius); }
  .article-sidebar { position: static; }
  .related-section { padding: 60px 0; }
  .section-head { margin-bottom: 32px; }
  .cta-section { padding: 60px 0; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-brand p { max-width: 100%; }
  .faq-item summary { padding: 18px 20px; font-size: 15px; }
  .faq-answer { padding: 0 20px 18px; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: 16px; }
  .logo-icon { width: 36px; height: 36px; font-size: 13px; }
  .header-actions { gap: 8px; }
  .btn { padding: 10px 20px; font-size: 14px; }
  .btn-lg { padding: 14px 32px; font-size: 16px; }
  .article-title { font-size: 26px; }
  .article-card { padding: 22px 18px; }
  .article-body { font-size: 15.5px; }
  .article-body h2 { font-size: 21px; }
  .article-body h3 { font-size: 18px; }
  .related-img img { height: 180px; }
  .footer-grid { gap: 28px; }
  .cta-actions { flex-direction: column; width: 100%; }
  .cta-actions .btn { width: 100%; }
}

/* roulang page: category3 */
:root {
      --primary: #8B1E3F;
      --primary-dark: #6B1630;
      --primary-light: #BC5A6F;
      --accent: #C9A063;
      --accent-light: #E8D5AE;
      --ink: #1F2933;
      --ink-soft: #4B5563;
      --ink-faint: #8A94A6;
      --bg: #FFFFFF;
      --bg-soft: #F7F4F0;
      --bg-tint: #FAF6F3;
      --line: #E8E2DC;
      --radius-lg: 20px;
      --radius-md: 14px;
      --radius-sm: 10px;
      --shadow-sm: 0 2px 10px rgba(30, 20, 15, 0.06);
      --shadow-md: 0 8px 28px rgba(30, 20, 15, 0.10);
      --shadow-lg: 0 16px 48px rgba(30, 20, 15, 0.14);
      --section-space: clamp(64px, 9vw, 108px);
      --container-max: 1200px;
      --font-display: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
      --font-body: "PingFang SC", "HarmonyOS Sans SC", "Source Han Sans SC", "Microsoft YaHei", sans-serif;
    }

    *,
    *::before,
    *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      font-size: 16px;
      -webkit-font-smoothing: antialiased;
    }

    body {
      font-family: var(--font-body);
      background: var(--bg);
      color: var(--ink);
      line-height: 1.7;
      font-size: 16px;
    }

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

    a {
      color: inherit;
      text-decoration: none;
      transition: color 0.2s ease;
    }

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

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

    .section {
      padding: var(--section-space) 0;
      position: relative;
    }

    .section-label {
      display: inline-block;
      background: var(--accent-light);
      color: var(--primary-dark);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 0.12em;
      border-radius: 999px;
      padding: 6px 18px;
      margin-bottom: 18px;
      text-transform: uppercase;
    }

    .section-title {
      font-size: clamp(30px, 4vw, 42px);
      font-weight: 800;
      line-height: 1.25;
      letter-spacing: -0.02em;
      color: var(--ink);
      margin-bottom: 16px;
    }

    .section-subtitle {
      font-size: 17px;
      line-height: 1.8;
      color: var(--ink-soft);
      max-width: 720px;
      margin-bottom: 32px;
    }

    /* Header / Nav */
    .site-header {
      background: var(--bg);
      border-bottom: 1px solid rgba(232, 226, 220, 0.8);
      box-shadow: 0 2px 16px rgba(30, 20, 15, 0.04);
      position: sticky;
      top: 0;
      z-index: 100;
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
      max-width: var(--container-max);
      margin: 0 auto;
      padding: 0 24px;
      gap: 20px;
    }

    .logo {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .logo-icon {
      width: 40px;
      height: 40px;
      border-radius: 12px;
      background: var(--primary);
      color: #fff;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 14px;
      font-weight: 800;
      letter-spacing: 0.02em;
      box-shadow: 0 4px 12px rgba(139, 30, 63, 0.25);
    }

    .logo-text {
      font-size: 19px;
      font-weight: 800;
      color: var(--ink);
      letter-spacing: -0.01em;
      white-space: nowrap;
    }

    .main-nav {
      display: flex;
      align-items: center;
      gap: 4px;
    }

    .main-nav .nav-link {
      padding: 8px 16px;
      border-radius: 8px;
      font-size: 15px;
      font-weight: 600;
      color: var(--ink-soft);
      transition: all 0.2s ease;
      position: relative;
    }

    .main-nav .nav-link:hover {
      color: var(--primary);
      background: var(--bg-tint);
    }

    .main-nav .nav-link.active {
      color: var(--primary);
      background: rgba(139, 30, 63, 0.08);
      font-weight: 700;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .search-box {
      display: flex;
      align-items: center;
      background: var(--bg-soft);
      border: 1px solid var(--line);
      border-radius: 999px;
      padding: 6px 8px 6px 16px;
      gap: 6px;
      width: 220px;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .search-box input {
      border: none;
      background: transparent;
      font-size: 14px;
      width: 100%;
      color: var(--ink);
    }

    .search-box i {
      color: var(--ink-faint);
      font-size: 14px;
    }

    .search-box:focus-within {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(139, 30, 63, 0.12);
    }

    .btn {
      display: inline-inline-flex;
      align-items: center;
      justify-content: center;
      gap: 6px;
      border-radius: 10px;
      font-weight: 700;
      font-size: 15px;
      padding: 10px 22px;
      border: none;
      cursor: pointer;
      transition: all 0.2s ease;
      line-height: 1.2;
      white-space: nowrap;
    }

    .btn-primary {
      background: var(--primary);
      color: #fff;
      box-shadow: 0 4px 14px rgba(139, 30, 63, 0.22);
    }

    .btn-primary:hover {
      background: var(--primary-dark);
      transform: translateY(-2px);
      box-shadow: 0 8px 22px rgba(139, 30, 63, 0.28);
    }

    .btn-outline {
      background: transparent;
      border: 2px solid var(--primary);
      color: var(--primary);
    }

    .btn-outline:hover {
      background: var(--primary);
      color: #fff;
    }

    .btn-light {
      background: #fff;
      color: var(--primary);
      box-shadow: 0 4px 14px rgba(0, 0, 0, 0.08);
    }

    .btn-light:hover {
      transform: translateY(-2px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.12);
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      font-size: 24px;
      color: var(--ink);
      cursor: pointer;
      padding: 4px;
    }

    /* Hero */
    .category-hero {
      position: relative;
      min-height: 460px;
      display: flex;
      align-items: center;
      overflow: hidden;
      background-size: cover;
      background-position: center;
      background-color: var(--primary-dark);
      padding: 90px 0 70px;
    }

    .category-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(100deg, rgba(38, 12, 22, 0.92) 0%, rgba(38, 12, 22, 0.75) 45%, rgba(38, 12, 22, 0.3) 100%);
    }

    .category-hero .hero-content {
      position: relative;
      z-index: 2;
      max-width: 680px;
      color: #fff;
      padding: 24px 0;
    }

    .category-hero .hero-badge {
      display: inline-block;
      background: rgba(255, 255, 255, 0.16);
      border: 1px solid rgba(255, 255, 255, 0.28);
      backdrop-filter: blur(6px);
      border-radius: 999px;
      padding: 7px 18px;
      font-size: 13px;
      font-weight: 600;
      letter-spacing: 0.08em;
      margin-bottom: 22px;
    }

    .category-hero h1 {
      font-size: clamp(36px, 5vw, 52px);
      font-weight: 800;
      line-height: 1.2;
      letter-spacing: -0.02em;
      margin-bottom: 20px;
    }

    .category-hero h1 span {
      color: var(--accent-light);
    }

    .category-hero p {
      font-size: 18px;
      line-height: 1.8;
      opacity: 0.92;
      margin-bottom: 36px;
    }

    .hero-btns {
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* Service Overview Section */
    .overview-section {
      background: var(--bg);
    }

    .overview-grid {
      display: grid;
      grid-template-columns: 1.2fr 1fr;
      gap: 52px;
      align-items: center;
    }

    .overview-copy .lead {
      font-size: 19px;
      color: var(--primary);
      font-weight: 700;
      margin-bottom: 14px;
    }

    .overview-stats {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 18px;
      margin-top: 38px;
    }

    .stat-card {
      background: var(--bg-soft);
      border-radius: var(--radius-md);
      padding: 20px 16px;
      text-align: center;
      border: 1px solid var(--line);
    }

    .stat-card .number {
      font-size: 30px;
      font-weight: 800;
      color: var(--primary);
    }

    .stat-card .label {
      font-size: 13px;
      color: var(--ink-soft);
      margin-top: 4px;
    }

    .overview-media {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      position: relative;
    }

    .overview-media img {
      width: 100%;
      height: 380px;
      object-fit: cover;
    }

    /* Feature Cards */
    .features-section {
      background: var(--bg-soft);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .features-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }

    .feature-card {
      background: var(--bg);
      border-radius: var(--radius-lg);
      padding: 30px 26px;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
    }

    .feature-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-lg);
      border-color: var(--accent);
    }

    .feature-icon {
      width: 54px;
      height: 54px;
      border-radius: 14px;
      background: linear-gradient(135deg, var(--primary), var(--primary-light));
      color: #fff;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 22px;
      margin-bottom: 20px;
      box-shadow: 0 6px 16px rgba(139, 30, 63, 0.22);
    }

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

    .feature-card p {
      font-size: 14px;
      line-height: 1.75;
      color: var(--ink-soft);
    }

    .feature-card .tag-row {
      margin-top: 16px;
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .mini-tag {
      display: inline-block;
      background: var(--bg-tint);
      border: 1px solid var(--line);
      border-radius: 6px;
      padding: 3px 10px;
      font-size: 12px;
      color: var(--ink-soft);
      font-weight: 600;
    }

    /* Steps / Shopping Process */
    .steps-section {
      background: var(--bg);
    }

    .steps-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 28px;
      margin-top: 20px;
    }

    .step-card {
      position: relative;
      background: var(--bg) , ;
      border-radius: var(--radius-lg);
      padding: 30px 22px 26px;
      border: 1px solid var(--line);
      box-shadow: var(--shadow-sm);
    }

    .step-number {
      font-size: 15px;
      font-weight: 800;
      color: var(--accent);
      background: var(--accent-light);
      border-radius: 999px;
      display: inline-block;
      padding: 4px 14px;
      margin-bottom: 16px;
    }

    .step-card h3 {
      font-size: 18px;
      font-weight: 700;
      margin-bottom: 10px;
    }

    .step-card p {
      font-size: 14px;
      color: var(--ink-soft);
      line-height: 1.7;
    }

    .step-arrow {
      position: absolute;
      top: 50%;
      right: -24px;
      transform: translateY(-50%);
      color: var(--accent);
      font-size: 18px;
      z-index: 3;
    }

    /* Compare Section */
    .compare-section {
      background: var(--bg-tint);
      border-top: 1px solid var(--line);
      border-bottom: 1px solid var(--line);
    }

    .compare-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
      margin-top: 20px;
    }

    .compare-card {
      background: var(--bg);
      border-radius: var(--radius-lg);
      border: 1px solid var(--line);
      overflow: hidden;
      box-shadow: var(--shadow-sm);
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

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

    .compare-card .compare-head {
      padding: 24px 24px 10px;
    }

    .compare-card .compare-head h3 {
      font-size: 18px;
      font-weight: 700;
      color: var(--primary);
    }

    .compare-card .compare-head .badge {
      display: inline-block;
      background: var(--accent-light);
      color: var(--primary-dark);
      border-radius: 999px;
      padding: 3px 12px;
      font-size: 12px;
      font-weight: 700;
      margin-top: 8px;
    }

    .compare-card .compare-body {
      padding: 4px 24px 24px;
    }

    .compare-card ul {
      list-style: none;
      padding: 0;
    }

    .compare-card ul li {
      padding: 10px 0;
      border-bottom: 1px solid var(--line);
      font-size: 14px;
      color: var(--ink-soft);
      display: flex;
      align-items: flex-start;
      gap: 10px;
    }

    .compare-card ul li:last-child {
      border-bottom: none;
    }

    .compare-card ul li i {
      color: var(--primary);
      margin-top: 3px;
      font-size: 13px;
    }

    .compare-featured {
      border-color: var(--primary) !important;
      box-shadow: 0 8px 32px rgba(139, 30, 63, 0.14) !important;
      position: relative;
    }

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

    .faq-list {
      max-width: 820px;
      margin: 0 auto;
    }

    .faq-item {
      background: var(--bg-soft);
      border: 1px solid var(--line);
      border-radius: var(--radius-md);
      margin-bottom: 14px;
      overflow: hidden;
      transition: border-color 0.2s ease, box-shadow 0.2s ease;
    }

    .faq-item:hover {
      border-color: var(--accent);
      box-shadow: var(--shadow-sm);
    }

    .faq-question {
      width: 100%;
      background: none;
      border: none;
      text-align: left;
      padding: 20px 24px;
      font-size: 16px;
      font-weight: 600;
      color: var(--ink);
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
      cursor: pointer;
      transition: color 0.2s ease;
    }

    .faq-question:hover,
    .faq-question.active {
      color: var(--primary);
    }

    .faq-question .faq-icon {
      font-size: 14px;
      color: var(--primary);
      transition: transform 0.2s ease;
      flex-shrink: 0;
    }

    .faq-question.active .faq-icon {
      transform: rotate(45deg);
    }

    .faq-answer {
      display: none;
      padding: 0 24px 20px;
      font-size: 15px;
      line-height: 1.8;
      color: var(--ink-soft);
    }

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

    /* CTA Banner */
    .cta-section {
      padding: 0;
      position: relative;
    }

    .cta-box {
      background: linear-gradient(120deg, var(--primary) 20%, var(--primary-dark) 80%);
      border-radius: 26px;
      padding: clamp(34px, 5vw, 60px);
      color: #fff;
      text-align: center;
      margin-top: var(--section-space);
      margin-bottom: var(--section-space);
      position: relative;
      overflow: hidden;
      box-shadow: var(--shadow-lg);
    }

    .cta-box::before {
      content: "";
      position: absolute;
      top: -60px;
      right: -60px;
      width: 220px;
      height: 220px;
      background: rgba(255, 255, 255, 0.08);
      border-radius: 50%;
    }

    .cta-box h2 {
      font-size: clamp(28px, 3.5vw, 38px);
      font-weight: 800;
      margin-bottom: 14px;
    }

    .cta-box p {
      opacity: 0.9;
      font-size: 16px;
      max-width: 560px;
      margin: 0 auto 26px;
    }

    .cta-box .cta-btns {
      display: flex;
      justify-content: center;
      flex-wrap: wrap;
      gap: 16px;
    }

    /* Footer */
    .site-footer {
      background: #171A1F;
      color: rgba(255, 255, 255, 0.72);
      padding: 60px 0 24px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 48px;
      margin-bottom: 36px;
    }

    .footer-brand .logo {
      color: #fff;
      margin-bottom: 14px;
    }

    .footer-brand .logo-icon {
      background: var(--accent);
      color: var(--primary-dark);
    }

    .footer-brand .logo-text {
      color: #fff;
      font-weight: 700;
    }

    .footer-brand p {
      font-size: 14px;
      margin-top: 12px;
      opacity: 0.7;
      max-width: 360px;
      line-height: 1.8;
    }

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

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

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

    .footer-col ul a {
      font-size: 14px;
      color: rgba(255, 255, 255, 0.68);
      transition: color 0.2s ease;
    }

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

    .footer-bottom {
      border-top: 1px solid rgba(255, 255, 255, 0.13);
      padding-top: 22px;
      text-align: center;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.48);
    }

    /* ===== Responsive ===== */
    @media screen and (max-width: 1024px) {
      .header-inner {
        gap: 14px;
        padding: 0 18px;
      }

      .main-nav {
        gap: 0;
      }

      .main-nav .nav-link {
        padding: 8px 12px;
        font-size: 14px;
      }

      .search-box {
        width: 170px;
      }

      .overview-grid {
        grid-template-columns: 1fr;
        gap: 40px;
      }

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

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

      .step-arrow {
        display: none;
      }

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

      .footer-grid {
        grid-template-columns: 2fr 1fr;
        gap: 32px;
      }
    }

    @media screen and (max-width: 768px) {
      .header-inner {
        height: auto;
        min-height: 64px;
        flex-wrap: wrap;
        padding: 12px 16px;
      }

      .logo {
        order: 1;
      }

      .mobile-toggle {
        display: block;
        order: 3;
      }

      .main-nav {
        order: 4;
        flex-basis: 100%;
        flex-direction: column;
        align-items: stretch;
        gap: 4px;
        background: var(--bg);
        border-radius: 12px;
        padding: 10px;
        margin-top: 6px;
        display: none;
      }

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

      .main-nav .nav-link {
        padding: 12px 16px;
      }

      .header-actions {
        order: 2;
        margin-left: auto;
      }

      .search-box {
        width: 180px;
      }

      .category-hero {
        min-height: 400px;
        padding: 70px 0 50px;
      }

      .overview-stats {
        grid-template-columns: repeat(3, 1fr);
      }

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

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

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

    @media screen and (max-width: 520px) {
      .container {
        padding: 0 16px;
      }

      .header-actions .search-box {
        display: none;
      }

      .header-actions .btn {
        padding: 8px 14px;
        font-size: 14px;
      }

      .overview-grid {
        gap: 30px;
      }

      .overview-stats {
        grid-template-columns: 1fr 1fr;
      }

      .stat-card .number {
        font-size: 24px;
      }

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

      .category-hero h1 {
        font-size: 30px;
      }

      .category-hero p {
        font-size: 15px;
      }

      .hero-btns {
        flex-direction: column;
      }

      .hero-btns .btn {
        width: 100%;
      }

      .cta-box {
        border-radius: 18px;
        margin-top: 48px;
        margin-bottom: 48px;
      }

      .cta-box .cta-btns {
        flex-direction: column;
      }

      .cta-box .cta-btns .btn {
        width: 100%;
      }

      .footer-brand p {
        max-width: 100%;
      }
    }

    /* Utility */
    .text-center {
      text-align: center;
    }

    .mt-1 {
      margin-top: 8px;
    }

    .mt-2 {
      margin-top: 16px;
    }

    .mt-3 {
      margin-top: 28px;
    }

    .feature-card img {
      max-height: 180px;
      width: 100%;
      object-fit: cover;
      border-radius: 12px;
      margin-bottom: 16px;
    }

/* roulang page: category2 */
:root {
  --primary: #1e5eff;
  --primary-dark: #0d3fc6;
  --primary-light: #eaf0ff;
  --primary-lighter: #f2f6ff;
  --accent: #ff9f43;
  --accent-light: #fff3e8;
  --dark: #0b1525;
  --text: #1e293b;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --bg: #ffffff;
  --bg-light: #f5f8fd;
  --radius: 18px;
  --radius-sm: 12px;
  --radius-lg: 24px;
  --shadow-xs: 0 1px 3px rgba(15,23,42,.05);
  --shadow-sm: 0 4px 12px rgba(15,23,42,.06);
  --shadow-md: 0 10px 28px rgba(15,23,42,.09);
  --shadow-lg: 0 20px 48px rgba(15,23,42,.12);
  --font: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: all .25s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.65; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button, input { font-family: inherit; font-size: inherit; }
ul { list-style: none; }
.container { width: 100%; max-width: 1220px; margin: 0 auto; padding: 0 24px; }
.btn { display: inline-flex; align-items: center; justify-content: center; gap: 8px; padding: 12px 28px; border-radius: 999px; font-weight: 600; font-size: 15px; line-height: 1.2; cursor: pointer; border: 2px solid transparent; transition: var(--transition); }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 18px rgba(30,94,255,.28); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(13,63,198,.32); }
.btn-outline { background: transparent; color: var(--primary); border-color: var(--primary); }
.btn-outline:hover { background: var(--primary-light); transform: translateY(-2px); }
.btn-light { background: #fff; color: var(--primary); box-shadow: var(--shadow-sm); }
.btn-light:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-sm { padding: 9px 20px; font-size: 14px; }
.btn-lg { padding: 15px 38px; font-size: 16px; }
.btn:focus-visible { outline: 3px solid rgba(30,94,255,.35); outline-offset: 2px; }
.tag { display: inline-flex; align-items: center; padding: 5px 14px; border-radius: 999px; font-size: 12px; font-weight: 600; background: var(--primary-light); color: var(--primary); }
.tag-accent { background: var(--accent-light); color: #d36c00; }
.tag-gray { background: #eef2f7; color: var(--text-muted); }
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,.92); backdrop-filter: blur(12px); border-bottom: 1px solid var(--border); box-shadow: var(--shadow-xs); }
.header-inner { display: flex; align-items: center; gap: 24px; height: 72px; }
.logo { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.logo-icon { width: 40px; height: 40px; display: flex; align-items: center; justify-content: center; background: linear-gradient(135deg, var(--primary), #4f8bff); color: #fff; border-radius: 12px; font-weight: 800; font-size: 16px; letter-spacing: .5px; box-shadow: 0 6px 16px rgba(30,94,255,.3); }
.logo span:last-child { font-size: 18px; font-weight: 700; color: var(--dark); white-space: nowrap; }
.main-nav { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: center; }
.nav-link { display: inline-flex; align-items: center; padding: 9px 18px; border-radius: 999px; font-size: 15px; font-weight: 500; color: var(--text); transition: var(--transition); }
.nav-link:hover { color: var(--primary); background: var(--primary-light); }
.nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.header-actions { display: flex; align-items: center; gap: 12px; margin-left: auto; flex-shrink: 0; }
.search-box { display: flex; align-items: center; background: var(--bg-light); border: 1px solid var(--border); border-radius: 999px; padding: 0 6px 0 16px; height: 40px; width: 220px; transition: var(--transition); }
.search-box:focus-within { border-color: var(--primary); background: #fff; box-shadow: 0 0 0 3px rgba(30,94,255,.12); }
.search-box input { border: none; outline: none; background: transparent; width: 100%; font-size: 14px; color: var(--text); }
.search-box button { border: none; background: var(--primary); color: #fff; width: 28px; height: 28px; border-radius: 50%; display: flex; align-items: center; justify-content: center; cursor: pointer; transition: var(--transition); font-size: 13px; }
.search-box button:hover { background: var(--primary-dark); }
.nav-toggle { display: none; background: none; border: 1px solid var(--border); border-radius: 10px; width: 40px; height: 40px; font-size: 18px; color: var(--text); cursor: pointer; align-items: center; justify-content: center; }
.nav-toggle:focus-visible { outline: 3px solid rgba(30,94,255,.35); }
.page-banner { position: relative; padding: 90px 0 80px; background: linear-gradient(120deg, rgba(11,21,37,.92), rgba(30,94,255,.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; color: #fff; overflow: hidden; }
.page-banner::after { content: ''; position: absolute; right: -80px; top: -80px; width: 320px; height: 320px; border-radius: 50%; background: rgba(255,255,255,.06); pointer-events: none; }
.breadcrumb { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; font-size: 13px; color: rgba(255,255,255,.75); margin-bottom: 18px; }
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb .sep { opacity: .5; }
.page-banner h1 { font-size: 42px; font-weight: 800; line-height: 1.25; margin-bottom: 14px; letter-spacing: -1px; }
.page-banner p { font-size: 17px; max-width: 620px; line-height: 1.7; color: rgba(255,255,255,.85); }
.banner-badges { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 24px; }
.banner-badges .tag { background: rgba(255,255,255,.14); color: #fff; backdrop-filter: blur(6px); }
.section { padding: 80px 0; }
.section-alt { background: var(--bg-light); }
.section-head { text-align: center; max-width: 680px; margin: 0 auto 48px; }
.section-head .overline { display: inline-block; padding: 6px 18px; background: var(--primary-light); color: var(--primary); border-radius: 999px; font-size: 13px; font-weight: 600; margin-bottom: 16px; }
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--dark); letter-spacing: -.5px; line-height: 1.3; margin-bottom: 12px; }
.section-head p { color: var(--text-muted); font-size: 16px; line-height: 1.7; }
.grid-x { gap: 28px; }
.grid-x > .cell { display: flex; flex: 0 0 auto; }
.grid-x > .cell > .card,
.grid-x > .cell > .guide-card { width: 100%; }
@media (min-width: 1024px) {
  .grid-x > .cell.large-3 { width: calc(25% - 21px); }
  .grid-x > .cell.large-4 { width: calc(33.333% - 18.7px); }
}
@media (min-width: 768px) and (max-width: 1023px) {
  .grid-x > .cell.medium-6 { width: calc(50% - 14px); }
}
@media (max-width: 767px) {
  .grid-x > .cell { width: 100%; }
}
.card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); padding: 28px; transition: var(--transition); height: 100%; }
.card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); border-color: transparent; }
.card-icon { width: 52px; height: 52px; border-radius: 14px; display: flex; align-items: center; justify-content: center; background: var(--primary-light); color: var(--primary); font-size: 22px; margin-bottom: 20px; }
.card h3 { font-size: 19px; font-weight: 700; color: var(--dark); margin-bottom: 10px; }
.card p { color: var(--text-muted); font-size: 14.5px; line-height: 1.7; }
.guide-card { background: #fff; border-radius: var(--radius); border: 1px solid var(--border); overflow: hidden; transition: var(--transition); height: 100%; display: flex; flex-direction: column; }
.guide-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-6px); }
.guide-card .cover { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.guide-card .cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.guide-card:hover .cover img { transform: scale(1.05); }
.guide-card .cover::after { content: ''; position: absolute; inset: 0; background: linear-gradient(180deg, transparent 60%, rgba(11,21,37,.4)); }
.guide-card .cover .tag { position: absolute; left: 16px; top: 16px; z-index: 2; }
.guide-card .body { padding: 24px 24px 26px; display: flex; flex-direction: column; flex: 1; }
.guide-card .body h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 10px; line-height: 1.4; }
.guide-card .body p { color: var(--text-muted); font-size: 14.5px; line-height: 1.7; flex: 1; }
.guide-card .body .link { margin-top: 18px; display: inline-flex; align-items: center; gap: 6px; color: var(--primary); font-weight: 600; font-size: 14px; }
.guide-card .body .link i { transition: transform .2s; }
.guide-card .body .link:hover i { transform: translateX(4px); }
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-item { position: relative; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 30px 24px; text-align: center; transition: var(--transition); }
.step-item:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.step-num { width: 48px; height: 48px; margin: 0 auto 18px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 20px; font-weight: 800; }
.step-item h4 { font-size: 16px; font-weight: 700; color: var(--dark); margin-bottom: 8px; }
.step-item p { font-size: 13.5px; color: var(--text-muted); line-height: 1.6; }
.safety-box { background: var(--dark); border-radius: var(--radius-lg); padding: 48px; color: #fff; position: relative; overflow: hidden; }
.safety-box::before { content: '\f0e7'; font-family: 'Font Awesome 6 Free'; font-weight: 900; position: absolute; right: 30px; top: 20px; font-size: 88px; color: rgba(255,255,255,.06); line-height: 1; }
.safety-box h2 { font-size: 28px; margin-bottom: 12px; }
.safety-box > p { color: rgba(255,255,255,.65); max-width: 520px; }
.safety-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; margin-top: 32px; }
.safety-item { background: rgba(255,255,255,.07); border-radius: var(--radius); padding: 24px; border: 1px solid rgba(255,255,255,.1); transition: var(--transition); }
.safety-item:hover { background: rgba(255,255,255,.1); transform: translateY(-3px); }
.safety-item i { font-size: 24px; color: var(--accent); margin-bottom: 12px; }
.safety-item h4 { font-size: 16px; margin-bottom: 8px; color: #fff; }
.safety-item p { font-size: 13.5px; color: rgba(255,255,255,.7); line-height: 1.65; }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: #c9d8ff; }
.faq-item.open { border-color: var(--primary); box-shadow: 0 6px 20px rgba(30,94,255,.1); }
.faq-question { width: 100%; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 20px 24px; background: none; border: none; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--dark); text-align: left; transition: var(--transition); }
.faq-question i { color: var(--primary); font-size: 14px; transition: transform .3s; flex-shrink: 0; }
.faq-item.open .faq-question i { transform: rotate(180deg); }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height .35s ease; }
.faq-answer-inner { padding: 0 24px 22px; color: var(--text-muted); font-size: 14.5px; line-height: 1.75; }
.faq-item.open .faq-answer { max-height: 300px; }
.cta-box { background: linear-gradient(125deg, var(--primary), #4f8bff); border-radius: var(--radius-lg); padding: 56px 48px; text-align: center; color: #fff; position: relative; overflow: hidden; box-shadow: 0 20px 50px rgba(30,94,255,.28); }
.cta-box::before, .cta-box::after { content: ''; position: absolute; border-radius: 50%; background: rgba(255,255,255,.08); }
.cta-box::before { width: 220px; height: 220px; left: -60px; top: -80px; }
.cta-box::after { width: 160px; height: 160px; right: 20px; bottom: -60px; }
.cta-box h2 { font-size: 30px; margin-bottom: 12px; position: relative; z-index: 2; }
.cta-box p { font-size: 16px; color: rgba(255,255,255,.85); max-width: 560px; margin: 0 auto 28px; position: relative; z-index: 2; }
.cta-box .btn { position: relative; z-index: 2; }
.site-footer { background: var(--dark); color: rgba(255,255,255,.7); padding: 64px 0 28px; margin-top: 80px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr; gap: 48px; padding-bottom: 40px; border-bottom: 1px solid rgba(255,255,255,.08); }
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo span:last-child { color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.75; max-width: 360px; color: rgba(255,255,255,.6); }
.footer-col h4 { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col a { font-size: 14px; color: rgba(255,255,255,.6); transition: var(--transition); }
.footer-col a:hover { color: #fff; padding-left: 4px; }
.footer-bottom { padding-top: 28px; text-align: center; font-size: 13px; color: rgba(255,255,255,.45); }
@media (max-width: 1024px) {
  .header-actions .search-box { width: 180px; }
  .header-inner { gap: 16px; }
  .nav-link { padding: 8px 14px; font-size: 14px; }
}
@media (max-width: 900px) {
  .main-nav { position: fixed; top: 72px; left: 0; right: 0; background: #fff; flex-direction: column; align-items: stretch; padding: 12px 16px; gap: 4px; box-shadow: 0 20px 40px rgba(0,0,0,.12); border-bottom: 1px solid var(--border); display: none; z-index: 99; }
  .main-nav.nav-open { display: flex; }
  .nav-link { padding: 12px 16px; border-radius: 10px; }
  .nav-toggle { display: flex; }
  .header-actions .search-box { display: none; }
  .header-actions .btn-sm { padding: 8px 16px; font-size: 13px; }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
  .safety-list { grid-template-columns: 1fr; }
  .page-banner h1 { font-size: 32px; }
  .section { padding: 60px 0; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 640px) {
  .container { padding: 0 16px; }
  .header-inner { height: 64px; gap: 8px; }
  .logo span:last-child { font-size: 15px; }
  .logo-icon { width: 36px; height: 36px; font-size: 14px; }
  .main-nav { top: 64px; }
  .header-actions { display: none; }
  .page-banner { padding: 60px 0 52px; }
  .page-banner h1 { font-size: 27px; }
  .page-banner p { font-size: 15px; }
  .section { padding: 48px 0; }
  .section-head h2 { font-size: 26px; }
  .section-head { margin-bottom: 32px; }
  .steps-grid { grid-template-columns: 1fr; }
  .safety-box { padding: 30px 20px; }
  .safety-box h2 { font-size: 23px; }
  .cta-box { padding: 40px 24px; }
  .cta-box h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .card { padding: 22px; }
  .guide-card .body { padding: 20px; }
}