/* roulang page: index */
:root {
  --primary: #124A36;
  --primary-dark: #0A3324;
  --accent: #C0964A;
  --accent-light: #D8B878;
  --bg: #F5F2EC;
  --bg-deep: #EAE5DC;
  --card: #FFFFFF;
  --ink: #1B241F;
  --muted: #66736B;
  --line: rgba(18,74,54,0.14);
  --line-gold: rgba(192,150,74,0.45);
  --radius-md: 6px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 4px rgba(27,36,31,0.06);
  --shadow-md: 0 12px 32px rgba(27,36,31,0.10);
  --shadow-gold: 0 12px 36px rgba(192,150,74,0.18);
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}
* { margin:0; padding:0; box-sizing:border-box; }
html { scroll-behavior:smooth; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--bg);
  font-size: 16px;
  line-height: 1.85;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
h1,h2,h3,h4,h5,.font-display {
  font-family: var(--font-display);
  letter-spacing: 0.02em;
}
a { text-decoration:none; color:inherit; transition: all 0.2s ease-out; }
img { max-width: 100%; height: auto; display:block; }
::selection { background: var(--accent-light); color: var(--primary-dark); }
.container { max-width: 1200px; margin-inline: auto; padding-inline: 24px; }
.section-pad { padding-block: 96px; }
@media (max-width: 768px) { .section-pad { padding-block: 64px; } }

/* Top progress bar */
.progress-wrap { position: fixed; top:0; left:0; width:100%; height:3px; background: rgba(192,150,74,0.15); z-index: 9999; }
.progress-bar { height:100%; background: var(--accent); width:0%; transition: width 0.1s linear; }

/* Header & Nav */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(245,242,236,0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
  z-index: 1000;
}
.header-inner {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo-wrap { display:flex; align-items:center; gap:10px; flex-shrink:0; }
.logo-icon {
  width: 30px;
  height: 30px;
  background: var(--primary);
  border-radius: 7px;
  display: flex;
  align-items: center;
  justify-content: center;
  position: relative;
  overflow: hidden;
}
.logo-icon::before {
  content: '';
  width: 14px;
  height: 3px;
  background: var(--accent);
  border-radius: 1px;
  transform: rotate(-18deg);
}
.logo-icon::after {
  content: '';
  position: absolute;
  top: -4px; right: -4px;
  width: 0; height: 0;
  border-left: 10px solid transparent;
  border-bottom: 10px solid var(--accent-light);
}
.logo-text { display: flex; align-items: center; gap:7px; font-family: var(--font-display); }
.logo-main { color: var(--primary); font-size: 18px; font-weight: 900; letter-spacing: 0.04em; }
.logo-badge {
  font-size: 11px;
  color: var(--primary-dark);
  border: 1px solid var(--line-gold);
  padding: 2px 7px;
  border-radius: 3px;
  background: rgba(192,150,74,0.10);
  font-weight: 700;
  letter-spacing: 0.06em;
  white-space: nowrap;
}
.main-nav { display:flex; align-items:center; gap:32px; }
.nav-link {
  position: relative;
  font-size: 14.5px;
  color: var(--ink);
  font-weight: 500;
  padding-block: 6px;
  letter-spacing: 0.02em;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--accent);
  transition: width 0.25s ease-out;
}
.nav-link:hover { color: var(--primary); }
.nav-link:hover::after { width: 100%; }
.nav-link.active { color: var(--primary); font-weight: 700; }
.nav-link.active::after { width: 100%; }

.header-right { display: flex; align-items:center; gap:14px; }
.header-search { display: flex; align-items:center; }
.search-box {
  display: flex;
  align-items: center;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 6px 14px;
  transition: border-color 0.2s, box-shadow 0.2s;
  width: 190px;
}
.search-box:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px rgba(192,150,74,0.12); }
.search-box input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 13px;
  color: var(--ink);
  width: 100%;
  padding-left: 7px;
  font-family: var(--font-body);
}
.search-box i { color: var(--muted); font-size: 13px; }
.btn-login {
  font-size: 14px; color: var(--primary); font-weight: 600;
  padding: 6px 10px; border-radius: var(--radius-md);
}
.btn-login:hover { color: var(--accent); background: rgba(192,150,74,0.10); }
.btn-enter {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 18px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease-out;
  white-space: nowrap;
}
.btn-enter:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 16px rgba(10,51,36,0.25);
}
.btn-enter:active { transform: translateY(0) scale(0.97); }

/* Mobile menu */
.hamburger-btn {
  display: none;
  width: 40px; height: 40px;
  background: transparent;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  color: var(--primary);
  font-size: 18px;
}
.mobile-menu {
  position: fixed;
  top: 64px;
  left: 0;
  right: 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  padding: 20px 24px 28px;
  z-index: 999;
  display: none;
  opacity: 0;
  transform: translateY(-10px);
  transition: all 0.25s ease-out;
}
.mobile-menu.open { display: block; opacity: 1; transform: translateY(0); }
.mobile-menu .mobile-nav-links { display: flex; flex-direction: column; gap: 16px; }
.mobile-menu .mobile-nav-link { font-size: 16px; color: var(--ink); font-weight: 600; padding: 6px 0; border-bottom: 1px solid var(--line); }
.mobile-menu .mobile-nav-link.active { color: var(--primary); }
.mobile-menu .mobile-nav-link:hover { color: var(--accent); }
.mobile-menu .mobile-search { margin-top: 18px; display: flex; gap: 10px; }
.mobile-menu .mobile-search .search-box { flex: 1; width: auto; }
.mobile-menu .mobile-search .btn-enter { flex-shrink: 0; }

/* Hero */
.hero {
  position: relative;
  padding-top: 150px;
  padding-bottom: 110px;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center 60%;
  background-color: var(--bg);
  min-height: 680px;
  display: flex;
  align-items: center;
}
.hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: rgba(18,74,54,0.30);
  background-image: linear-gradient(90deg, rgba(245,242,236,1) 0%, rgba(245,242,236,0.92) 42%, rgba(245,242,236,0.5) 100%);
  z-index: 1;
}
.hero::after {
  content: '';
  position: absolute;
  right: 0;
  top: 0;
  height: 100%;
  width: 1px;
  background: var(--line-gold);
  z-index: 2;
}
.hero-inner {
  position: relative;
  z-index: 3;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
  width: 100%;
}
.hero-content { max-width: 720px; }
.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 12px;
  letter-spacing: 0.3em;
  color: var(--accent);
  font-weight: 600;
  margin-bottom: 24px;
  animation: fadeUp 0.6s ease-out 0.1s both;
}
.hero-eyebrow::before {
  content: '';
  width: 30px;
  height: 1px;
  background: var(--accent);
  display: inline-block;
}
.hero-title {
  font-size: clamp(36px, 5vw, 60px);
  line-height: 1.25;
  font-weight: 900;
  color: var(--primary-dark);
  margin-bottom: 22px;
  animation: fadeUp 0.6s ease-out 0.2s both;
}
.hero-title .gold-text {
  color: var(--accent);
  position: relative;
}
.hero-subtitle {
  font-size: 17px;
  color: var(--muted);
  line-height: 1.8;
  margin-bottom: 36px;
  max-width: 540px;
  animation: fadeUp 0.6s ease-out 0.3s both;
}
.hero-cta {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  animation: fadeUp 0.6s ease-out 0.4s both;
}
.hero-cta .btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--accent);
  color: var(--primary-dark);
  font-weight: 700;
  font-size: 15px;
  padding: 13px 28px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease-out;
  box-shadow: var(--shadow-sm);
}
.hero-cta .btn-gold:hover {
  background: var(--accent-light);
  box-shadow: var(--shadow-gold);
  transform: translateY(-2px);
}
.hero-cta .btn-gold:active { transform: scale(0.98); }
.hero-cta .btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  padding: 12px 24px;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-gold);
  cursor: pointer;
  transition: all 0.2s ease-out;
}
.hero-cta .btn-outline:hover { border-color: var(--accent); color: var(--accent); background: rgba(192,150,74,0.06); }
.hero-cta .btn-outline i { font-size: 14px; transition: transform 0.2s; }
.hero-cta .btn-outline:hover i { transform: translateY(3px); }
.hero-right-vertical {
  position: absolute;
  right: 40px;
  bottom: 80px;
  writing-mode: vertical-rl;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: rgba(18,74,54,0.4);
  font-weight: 600;
  z-index: 3;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-right-vertical::before {
  content: '';
  width: 1px;
  height: 60px;
  background: var(--accent);
  display: inline-block;
}
.hero-stats {
  display: flex;
  gap: 48px;
  margin-top: 56px;
  animation: fadeUp 0.6s ease-out 0.5s both;
}
.hero-stat-num { font-family: var(--font-display); font-size: 28px; font-weight: 700; color: var(--primary); }
.hero-stat-label { font-size: 13px; color: var(--muted); letter-spacing: 0.04em; }

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}

/* Section Headings */
.section-heading { text-align: center; margin-bottom: 56px; }
.section-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.25em;
  color: var(--accent);
  font-weight: 600;
  text-transform: uppercase;
  margin-bottom: 12px;
}
.section-heading h2 {
  font-size: clamp(28px, 3.4vw, 36px);
  font-weight: 800;
  color: var(--primary-dark);
  line-height: 1.35;
  margin-bottom: 14px;
  position: relative;
}
.section-divider {
  width: 44px;
  height: 3px;
  background: var(--accent);
  margin-inline: auto;
  border-radius: 2px;
}
.section-sub {
  max-width: 650px;
  margin-inline: auto;
  margin-top: 16px;
  color: var(--muted);
  font-size: 15.5px;
  line-height: 1.75;
}
.section-heading.left { text-align: left; }
.section-heading.left .section-divider { margin-inline: 0; }
.section-heading.left .section-sub { margin-inline: 0; }

/* Timeline */
.timeline-section { background: var(--bg); }
.timeline-wrap { max-width: 720px; margin-inline: auto; }
.timeline-step {
  display: flex;
  gap: 28px;
  padding-bottom: 40px;
  position: relative;
}
.timeline-step:last-child { padding-bottom: 0; }
.timeline-step::before {
  content: '';
  position: absolute;
  left: 30px;
  top: 50px;
  bottom: -6px;
  width: 2px;
  background: var(--line);
  transition: height 0.6s ease-out;
}
.timeline-step:last-child::before { display: none; }
.timeline-step-num {
  flex-shrink: 0;
  width: 60px;
  height: 60px;
  border: 1px solid var(--line-gold);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 700;
  color: var(--accent);
  background: var(--card);
  box-shadow: var(--shadow-sm);
  position: relative;
  z-index: 2;
  transition: all 0.3s ease-out;
}
.timeline-step:hover .timeline-step-num {
  background: var(--accent);
  color: var(--primary-dark);
  box-shadow: var(--shadow-gold);
  transform: scale(1.04);
}
.timeline-step-content { padding-top: 4px; }
.timeline-step-title { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 8px; }
.timeline-step-desc { font-size: 14.5px; color: var(--muted); line-height: 1.8; }
.timeline-step-detail { margin-top: 10px; display: flex; gap: 8px; align-items: flex-start; }
.timeline-step-detail i { color: var(--accent); font-size: 13px; margin-top: 4px; }
.timeline-step-detail span { font-size: 14px; color: var(--ink); opacity: 0.85; }

/* Mobile Highlights */
.highlights-section { background: var(--card); border-block: 1px solid var(--line); }
.highlight-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 36px;
  align-items: center;
}
.highlight-img-wrap {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
}
.highlight-img-wrap img { aspect-ratio: 4/3; object-fit: cover; width: 100%; }
.highlight-img-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(10,51,36,0.20) 0%, transparent 40%);
  pointer-events: none;
}
.highlight-img-badge {
  position: absolute;
  bottom: 18px;
  left: 18px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  background: var(--primary);
  padding: 6px 14px;
  border-radius: 20px;
  z-index: 2;
  letter-spacing: 0.04em;
}
.highlight-items { display: flex; flex-direction: column; gap: 26px; }
.highlight-item {
  padding-left: 20px;
  border-left: 3px solid var(--accent);
  padding-block: 2px;
}
.highlight-item:first-child { padding-top: 0; }
.highlight-item h3 { font-size: 18px; font-weight: 700; color: var(--ink); margin-bottom: 7px; }
.highlight-item p { font-size: 14.5px; color: var(--muted); line-height: 1.75; }

/* Access Compare */
.compare-section { background: var(--bg); }
.compare-grid {
  display: grid;
  grid-template-columns: 1fr 1.25fr 1fr;
  gap: 24px;
  align-items: stretch;
}
.compare-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.25s ease-out;
}
.compare-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.compare-card.recommended {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  padding: 40px 32px;
  box-shadow: var(--shadow-md);
  position: relative;
}
.compare-card.recommended:hover { transform: translateY(-4px); box-shadow: 0 16px 40px rgba(18,74,54,0.28); }
.recommend-badge {
  position: absolute;
  top: -14px;
  left: 50%;
  transform: translateX(-50%);
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 18px;
  border-radius: 20px;
  white-space: nowrap;
  letter-spacing: 0.04em;
}
.compare-card-type { font-size: 14px; font-weight: 600; color: var(--muted); letter-spacing: 0.05em; margin-bottom: 6px; }
.compare-card.recommended .compare-card-type { color: rgba(255,255,255,0.65); }
.compare-card-name { font-family: var(--font-display); font-size: 22px; font-weight: 700; color: var(--ink); margin-bottom: 12px; }
.compare-card.recommended .compare-card-name { color: #fff; font-size: 24px; }
.compare-card-scene { font-size: 14px; color: var(--muted); line-height: 1.6; margin-bottom: 20px; padding-bottom: 18px; border-bottom: 1px solid var(--line); }
.compare-card.recommended .compare-card-scene { color: rgba(255,255,255,0.8); border-bottom-color: rgba(255,255,255,0.15); }
.compare-list { list-style: none; padding: 0; margin: 0 0 22px; display: flex; flex-direction: column; gap: 12px; flex: 1; }
.compare-list li { display: flex; gap: 10px; align-items: flex-start; font-size: 14px; color: var(--ink); }
.compare-card.recommended .compare-list li { color: rgba(255,255,255,0.92); }
.compare-list i { color: var(--accent); font-size: 13px; margin-top: 5px; }
.compare-card.recommended .compare-list i { color: var(--accent-light); }
.compare-card .btn-card {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  width: 100%;
  padding: 11px 16px;
  border-radius: var(--radius-md);
  font-size: 14px;
  font-weight: 600;
  background: transparent;
  border: 1px solid var(--line-gold);
  color: var(--primary);
  cursor: pointer;
  transition: all 0.2s ease-out;
}
.compare-card .btn-card:hover { background: rgba(192,150,74,0.12); border-color: var(--accent); }
.compare-card .btn-card i { font-size: 12px; transition: transform 0.2s; }
.compare-card .btn-card:hover i { transform: translateX(3px); }
.compare-card.recommended .btn-card {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--primary-dark);
  font-weight: 700;
}
.compare-card.recommended .btn-card:hover { background: var(--accent-light); box-shadow: var(--shadow-gold); }

/* Data Band */
.data-band { background: var(--primary-dark); color: #fff; padding-block: 42px; position: relative; overflow: hidden; }
.data-band::before {
  content: '';
  position: absolute;
  right: -40px;
  top: -40px;
  width: 160px;
  height: 160px;
  border: 1px solid rgba(255,255,255,0.12);
  transform: rotate(45deg);
  border-radius: 12px;
}
.data-band-inner { display: grid; grid-template-columns: repeat(4, 1fr); gap: 40px; text-align: center; }
.data-item-num { font-family: var(--font-display); font-size: 32px; font-weight: 800; color: var(--accent-light); line-height: 1.2; }
.data-item-label { font-size: 13px; color: rgba(255,255,255,0.7); letter-spacing: 0.08em; margin-top: 5px; }
@media (max-width: 768px) { .data-band-inner { grid-template-columns: repeat(2, 1fr); gap: 28px; } }

/* CTA Section */
.cta-section {
  background: var(--primary-dark);
  padding: 88px 24px;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(192,150,74,0.06) 1px, transparent 1px), linear-gradient(90deg, rgba(192,150,74,0.06) 1px, transparent 1px);
  background-size: 40px 40px;
  pointer-events: none;
}
.cta-section::after {
  content: '';
  position: absolute;
  left: 15%;
  top: 0;
  width: 1px;
  height: 100%;
  background: linear-gradient(to bottom, transparent, rgba(192,150,74,0.5), transparent);
  transform: rotate(15deg);
}
.cta-content { max-width: 820px; margin-inline: auto; text-align: center; position: relative; z-index: 2; }
.cta-tag { font-size: 12px; letter-spacing: 0.3em; color: var(--accent); font-weight: 600; margin-bottom: 19px; display: inline-block; }
.cta-title { font-size: clamp(26px, 3.6vw, 38px); font-weight: 800; color: #fff; line-height: 1.4; margin-bottom: 18px; font-family: var(--font-display); }
.cta-desc { color: rgba(255,255,255,0.75); font-size: 16px; margin-bottom: 34px; line-height: 1.8; }
.cta-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  background: var(--accent);
  color: var(--primary-dark);
  font-size: 16px;
  font-weight: 700;
  padding: 15px 38px;
  border-radius: var(--radius-md);
  border: none;
  cursor: pointer;
  transition: all 0.2s ease-out;
  box-shadow: 0 4px 20px rgba(192,150,74,0.3);
}
.cta-btn:hover { background: var(--accent-light); box-shadow: var(--shadow-gold); transform: translateY(-2px); }
.cta-btn:active { transform: scale(0.98); }
.cta-btn i { font-size: 14px; }

/* News List */
.news-section { background: var(--bg); }
.news-header { display: flex; align-items: center; justify-content: space-between; margin-bottom: 40px; flex-wrap: wrap; gap: 16px; }
.news-header .section-heading { text-align: left; margin-bottom: 0; }
.news-more { color: var(--primary); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.news-more:hover { color: var(--accent); }
.news-more i { font-size: 12px; transition: transform 0.2s; }
.news-more:hover i { transform: translateX(4px); }
.news-list { display: flex; flex-direction: column; gap: 20px; }
.news-item {
  display: flex;
  background: var(--card);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  overflow: hidden;
  transition: all 0.2s ease-out;
  cursor: pointer;
}
.news-item:hover { box-shadow: var(--shadow-sm); transform: translateY(-2px); border-color: var(--line-gold); }
.news-img { width: 160px; min-height: 120px; flex-shrink: 0; overflow: hidden; position: relative; }
.news-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.3s ease-out; }
.news-item:hover .news-img img { transform: scale(1.04); }
.news-img .news-cat-badge {
  position: absolute;
  left: 10px; top: 10px;
  background: rgba(18,74,54,0.85);
  color: #fff;
  font-size: 11px;
  padding: 3px 10px;
  border-radius: 3px;
  letter-spacing: 0.03em;
  backdrop-filter: blur(4px);
}
.news-body { padding: 20px 24px; flex: 1; display: flex; flex-direction: column; }
.news-title { font-size: 17px; font-weight: 600; color: var(--ink); margin-bottom: 8px; line-height: 1.5; transition: color 0.2s; }
.news-item:hover .news-title { color: var(--accent); }
.news-excerpt { font-size: 14px; color: var(--muted); line-height: 1.6; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 14px; margin-top: 12px; font-size: 13px; color: var(--muted); }
.news-meta .dot { width: 3px; height: 3px; background: var(--line-gold); border-radius: 50%; }
.news-meta .read-link { color: var(--primary); font-weight: 600; margin-left: auto; font-size: 13px; display: inline-flex; align-items: center; gap: 4px; }
.news-meta .read-link i { font-size: 11px; transition: transform 0.2s; }
.news-meta .read-link:hover i { transform: translateX(3px); }
.news-empty {
  background: var(--bg-deep);
  border: 1px dashed var(--line);
  border-radius: var(--radius-lg);
  padding: 48px 24px;
  text-align: center;
  color: var(--muted);
  font-size: 15px;
}
@media (max-width: 640px) {
  .news-item { flex-direction: column; }
  .news-img { width: 100%; height: 160px; }
}

/* FAQ */
.faq-section { background: var(--card); }
.faq-wrap { max-width: 760px; margin-inline: auto; }
.faq-item {
  border-bottom: 1px solid var(--line);
  padding: 22px 0;
}
.faq-q {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
  transition: color 0.2s;
  list-style:none;
}
.faq-q:hover { color: var(--primary); }
.faq-q i { color: var(--accent); font-size: 16px; flex-shrink: 0; transition: transform 0.3s ease; }
.faq-item.open .faq-q i { transform: rotate(45deg); }
.faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease-out;
  font-size: 14.5px;
  color: var(--muted);
  line-height: 1.8;
  padding-top: 0;
}
.faq-item.open .faq-a { max-height: 400px; padding-top: 14px; }

/* Help Form */
.help-section { background: var(--bg); }
.help-grid { max-width: 900px; margin-inline: auto; }
.help-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 40px;
}
.help-card h3 { font-size: 20px; font-weight: 700; color: var(--ink); margin-bottom: 24px; font-family: var(--font-display); }
.form-group { margin-bottom: 20px; }
.form-group label { display: block; font-size: 14px; font-weight: 600; color: var(--ink); margin-bottom: 8px; }
.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: var(--bg);
  font-size: 14.5px;
  color: var(--ink);
  font-family: var(--font-body);
  outline: none;
  transition: all 0.2s ease-out;
}
.form-group input:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(192,150,74,0.12);
  background: var(--card);
}
.form-group input::placeholder,
.form-group textarea::placeholder { color: #A8B3AB; }
.form-group textarea { height: 120px; resize: vertical; }
.btn-submit {
  width: 100%;
  background: var(--primary);
  color: #fff;
  border: none;
  padding: 13px 24px;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s ease-out;
}
.btn-submit:hover { background: var(--primary-dark); transform: translateY(-1px); box-shadow: 0 6px 18px rgba(18,74,54,0.2); }
.btn-submit:active { transform: scale(0.98); }

/* Footer */
.site-footer { background: var(--primary-dark); color: rgba(255,255,255,0.8); padding-top: 72px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 48px; padding-bottom: 56px; }
.footer-brand .footer-logo { font-size: 20px; font-weight: 800; color: #fff; display: flex; align-items: center; gap: 10px; margin-bottom: 18px; }
.footer-brand .footer-logo .badge { font-size: 11px; color: var(--accent-light); border: 1px solid rgba(192,150,74,0.5); padding: 2px 9px; border-radius: 3px; font-weight: 600; letter-spacing: 0.05em; }
.footer-desc { font-size: 14px; line-height: 1.8; opacity: 0.75; max-width: 320px; }
.footer-col-title { font-size: 14px; font-weight: 700; color: #fff; margin-bottom: 20px; letter-spacing: 0.06em; }
.footer-col-links { display: flex; flex-direction: column; gap: 12px; }
.footer-col-links a { font-size: 14px; opacity: 0.75; transition: all 0.2s; }
.footer-col-links a:hover { opacity: 1; color: var(--accent-light); padding-left: 4px; }
.footer-contact { display: flex; flex-direction: column; gap: 14px; font-size: 14px; opacity: 0.75; line-height: 1.7; }
.footer-contact i { color: var(--accent); margin-right: 8px; width: 16px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-block: 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  opacity: 0.6;
}
.footer-copyright { line-height: 1.6; }

/* Responsive */
@media (max-width: 1024px) {
  .main-nav { gap: 20px; }
  .search-box { width: 150px; }
  .compare-grid { grid-template-columns: 1fr 1fr; }
  .compare-card.recommended { order: -1; grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .site-header { height: 56px; }
  .main-nav, .header-search { display: none; }
  .hamburger-btn { display: flex; }
  .mobile-menu { top: 56px; }
  .logo-main { font-size: 15px; }
  .logo-badge { font-size: 10px; padding: 1px 6px; }
  .btn-enter { padding: 7px 14px; font-size: 13px; }
  .hero { padding-top: 120px; padding-bottom: 80px; min-height: auto; }
  .hero-title { font-size: 34px; }
  .hero-right-vertical { display: none; }
  .hero-stats { gap: 28px; margin-top: 40px; flex-wrap: wrap; }
  .highlight-grid { grid-template-columns: 1fr; }
  .compare-grid { gap: 18px; }
  .compare-card { padding: 24px 20px; }
  .compare-card.recommended { padding: 32px 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; padding-bottom: 40px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .news-header .section-heading h2 { font-size: 24px; }
}
@media (max-width: 520px) {
  .container { padding-inline: 16px; }
  .hero-cta { flex-direction: column; }
  .hero-cta .btn-gold, .hero-cta .btn-outline { width: 100%; justify-content: center; }
  .timeline-step { gap: 18px; }
  .timeline-step-num { width: 46px; height: 46px; font-size: 18px; }
  .timeline-step::before { left: 22px; }
  .data-band-inner { grid-template-columns: 1fr 1fr; gap: 20px; }
  .data-item-num { font-size: 24px; }
  .help-card { padding: 24px 20px; }
}

/* roulang page: article */
:root {
  --primary: #124A36;
  --primary-dark: #0A3324;
  --accent: #C0964A;
  --accent-light: #D8B878;
  --bg: #F5F2EC;
  --bg-deep: #EAE5DC;
  --card: #FFFFFF;
  --ink: #1B241F;
  --muted: #66736B;
  --line: rgba(18, 74, 54, 0.14);
  --line-gold: rgba(192, 150, 74, 0.45);
  --radius-md: 6px;
  --radius-lg: 14px;
  --shadow-sm: 0 1px 4px rgba(27, 36, 31, 0.06);
  --shadow-md: 0 12px 32px rgba(27, 36, 31, 0.10);
  --shadow-gold: 0 12px 36px rgba(192, 150, 74, 0.18);
  --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
  --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
}

*, *::before, *::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-body);
  color: var(--ink);
  font-size: 16px;
  line-height: 1.85;
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

img {
  max-width: 100%;
  display: block;
}

a {
  text-decoration: none;
  color: inherit;
  transition: color .18s ease-out;
}

button {
  border: none;
  background: none;
  cursor: pointer;
  font-family: inherit;
}

input, textarea {
  font-family: inherit;
}

::selection {
  background: var(--accent-light);
  color: var(--ink);
}

.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}

section {
  padding-block: 96px;
}

@media (max-width: 768px) {
  section {
    padding-block: 64px;
  }
}

/* ========== BUTTONS ========== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--accent);
  color: #1B241F;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  transition: all .2s ease-out;
  border: 1px solid transparent;
  letter-spacing: .03em;
}
.btn-primary:hover {
  background: var(--accent-light);
  box-shadow: var(--shadow-gold);
  transform: translateY(-1px);
}
.btn-primary:active {
  transform: scale(.98);
}

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-weight: 600;
  font-size: 15px;
  padding: 14px 32px;
  border-radius: var(--radius-md);
  transition: all .2s ease-out;
}
.btn-secondary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
}
.btn-secondary:active {
  transform: scale(.98);
}

.btn-text {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--primary);
  font-weight: 600;
  font-size: 15px;
  transition: color .18s ease-out;
}
.btn-text i {
  transition: transform .18s ease-out;
}
.btn-text:hover {
  color: var(--accent);
}
.btn-text:hover i {
  transform: translateX(4px);
}

/* ========== HEADER ========== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  height: 64px;
  background: rgba(245, 242, 236, 0.88);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--line);
}
.header-inner {
  max-width: 1400px;
  height: 100%;
  margin-inline: auto;
  padding-inline: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.logo-wrap {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 20px;
  height: 20px;
  border-radius: 4px;
  background: var(--primary);
  position: relative;
  display: block;
}
.logo-icon::after {
  content: '';
  position: absolute;
  left: 4px;
  top: 5px;
  width: 12px;
  height: 3px;
  background: var(--accent);
  border-radius: 2px;
}
.logo-text {
  display: flex;
  align-items: center;
  gap: 6px;
}
.logo-main {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: .02em;
  white-space: nowrap;
}
.logo-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--accent);
  border: 1px solid var(--line-gold);
  padding: 2px 6px;
  border-radius: 3px;
  letter-spacing: .04em;
  line-height: 1;
  white-space: nowrap;
}

.main-nav {
  display: flex;
  align-items: center;
  gap: 28px;
}
.nav-link {
  font-size: 15px;
  font-weight: 500;
  color: var(--muted);
  position: relative;
  padding: 6px 0;
  letter-spacing: .02em;
  transition: color .18s ease-out;
}
.nav-link::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .2s ease-out;
}
.nav-link:hover {
  color: var(--primary);
}
.nav-link:hover::after {
  transform: scaleX(1);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 600;
}
.nav-link.active::after {
  transform: scaleX(1);
}

.header-right {
  display: flex;
  align-items: center;
  gap: 14px;
  flex-shrink: 0;
}
.header-search {
  position: relative;
}
.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  padding: 8px 14px;
  width: 200px;
  transition: border-color .18s ease-out;
}
.search-box:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(192, 150, 74, 0.12);
}
.search-box i {
  font-size: 13px;
  color: var(--muted);
}
.search-box input {
  border: none;
  outline: none;
  background: transparent;
  font-size: 13px;
  width: 100%;
  color: var(--ink);
}
.search-box input::placeholder {
  color: var(--muted);
  font-size: 13px;
}

.btn-login {
  font-size: 14px;
  font-weight: 500;
  color: var(--primary);
  padding: 8px 4px;
  transition: color .18s ease-out;
}
.btn-login:hover {
  color: var(--accent);
}

.btn-enter {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 9px 20px;
  border-radius: var(--radius-md);
  transition: all .2s ease-out;
  border: 1px solid transparent;
}
.btn-enter:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.btn-enter i {
  font-size: 12px;
  transition: transform .18s ease-out;
}
.btn-enter:hover i {
  transform: translateX(3px);
}

.hamburger-btn {
  display: none;
  font-size: 18px;
  color: var(--primary);
  padding: 6px;
  border-radius: 4px;
  transition: background .18s ease-out;
}
.hamburger-btn:hover {
  background: var(--bg-deep);
}

@media (max-width: 1024px) {
  .main-nav {
    gap: 16px;
  }
  .search-box {
    width: 150px;
  }
}

@media (max-width: 768px) {
  .site-header {
    height: 56px;
  }
  .header-inner {
    padding-inline: 16px;
    gap: 12px;
  }
  .logo-main {
    font-size: 15px;
  }
  .logo-badge {
    font-size: 10px;
    padding: 2px 4px;
  }
  .main-nav {
    display: none;
    position: fixed;
    top: 56px;
    left: 0;
    right: 0;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
    flex-direction: column;
    align-items: flex-start;
    padding: 16px 24px 20px;
    gap: 4px;
    box-shadow: var(--shadow-md);
  }
  .main-nav.open {
    display: flex;
  }
  .nav-link {
    width: 100%;
    padding: 10px 0;
    border-bottom: 1px solid var(--line);
    font-size: 15px;
  }
  .nav-link::after {
    display: none;
  }
  .nav-link.active {
    color: var(--accent);
  }
  .header-search {
    display: none;
    position: absolute;
    top: 56px;
    left: 0;
    right: 0;
    padding: 12px 16px;
    background: var(--bg);
    border-bottom: 1px solid var(--line);
  }
  .header-search.show {
    display: block;
  }
  .search-box {
    width: 100%;
    background: var(--card);
  }
  .btn-login {
    display: none;
  }
  .btn-enter {
    padding: 7px 14px;
    font-size: 13px;
  }
  .hamburger-btn {
    display: block;
  }
}

/* ========== PAGE HERO ========== */
.page-hero {
  position: relative;
  min-height: 420px;
  padding: 140px 0 60px;
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: flex-end;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(10, 51, 36, 0.72), rgba(10, 51, 36, 0.58));
}
.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.06) 1px, transparent 1px);
  background-size: 100% 80px;
  pointer-events: none;
}
.page-hero-content {
  position: relative;
  z-index: 2;
  color: #fff;
  max-width: 860px;
  margin-inline: auto 0;
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 20px;
  flex-wrap: wrap;
}
.breadcrumb a {
  color: rgba(255, 255, 255, 0.85);
  transition: color .18s ease-out;
}
.breadcrumb a:hover {
  color: var(--accent-light);
}
.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.45);
}
.breadcrumb .current {
  color: var(--accent-light);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  max-width: 260px;
}

.page-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(28px, 4vw, 38px);
  line-height: 1.4;
  font-weight: 700;
  letter-spacing: .02em;
  margin-bottom: 18px;
  text-shadow: 0 2px 12px rgba(0, 0, 0, 0.18);
}

.hero-meta {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  flex-wrap: wrap;
}
.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.hero-meta i {
  font-size: 12px;
  color: var(--accent-light);
}
.hero-meta .category-badge {
  display: inline-flex;
  align-items: center;
  background: rgba(192, 150, 74, 0.18);
  border: 1px solid rgba(192, 150, 74, 0.4);
  color: var(--accent-light);
  padding: 3px 10px;
  border-radius: 20px;
  font-size: 12px;
  font-weight: 500;
}

@media (max-width: 768px) {
  .page-hero {
    min-height: 360px;
    padding: 110px 0 48px;
  }
  .page-hero-content {
    padding-inline: 16px;
  }
  .page-hero h1 {
    font-size: 26px;
  }
  .breadcrumb .current {
    max-width: 160px;
  }
}

/* ========== ARTICLE SECTION ========== */
.article-section {
  background: var(--bg);
  position: relative;
}
.article-main {
  max-width: 860px;
  margin-inline: auto;
}
.article-body {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  padding: 56px 56px 48px;
  box-shadow: var(--shadow-sm);
  margin-bottom: 32px;
}
.article-body h1,
.article-body h2,
.article-body h3,
.article-body h4 {
  font-family: var(--font-display);
  color: var(--ink);
  letter-spacing: .02em;
}
.article-body h2 {
  font-size: 26px;
  line-height: 1.45;
  margin: 48px 0 16px;
  padding-left: 16px;
  border-left: 3px solid var(--accent);
}
.article-body h3 {
  font-size: 20px;
  line-height: 1.5;
  margin: 32px 0 12px;
  font-weight: 600;
}
.article-body h4 {
  font-size: 17px;
  margin: 24px 0 10px;
  font-weight: 600;
}
.article-body p {
  margin-bottom: 16px;
  color: var(--ink);
  font-size: 16px;
  line-height: 1.9;
}
.article-body img {
  width: 100%;
  border-radius: 8px;
  margin: 24px 0;
  border: 1px solid var(--line);
}
.article-body blockquote {
  margin: 24px 0;
  padding: 20px 24px;
  background: var(--bg);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}
.article-body ul,
.article-body ol {
  margin: 16px 0 20px;
  padding-left: 28px;
}
.article-body ul li {
  list-style: disc;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.8;
}
.article-body ol li {
  list-style: decimal;
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.8;
}
.article-body a {
  color: var(--primary);
  border-bottom: 1px solid rgba(18, 74, 54, 0.3);
  transition: all .18s ease-out;
}
.article-body a:hover {
  color: var(--accent);
  border-bottom-color: var(--accent);
}
.article-body table {
  width: 100%;
  border-collapse: collapse;
  margin: 24px 0;
  font-size: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
.article-body th {
  background: var(--bg-deep);
  padding: 12px 14px;
  border: 1px solid var(--line);
  text-align: left;
  font-weight: 600;
  color: var(--primary);
}
.article-body td {
  padding: 12px 14px;
  border: 1px solid var(--line);
  color: var(--ink);
}
.article-body hr {
  border: none;
  border-top: 1px solid var(--line);
  margin: 32px 0;
}

.content-not-found {
  text-align: center;
  padding: 60px 24px;
}
.content-not-found h2 {
  font-family: var(--font-display);
  font-size: 28px;
  color: var(--primary);
  margin-bottom: 12px;
}
.content-not-found p {
  color: var(--muted);
  margin-bottom: 24px;
}

@media (max-width: 768px) {
  .article-body {
    padding: 32px 20px 28px;
    border-radius: 10px;
  }
  .article-body h2 {
    font-size: 22px;
    margin-top: 36px;
  }
  .article-body h3 {
    font-size: 18px;
  }
  .article-body p {
    font-size: 15px;
    line-height: 1.85;
  }
}

/* ========== TAGS ========== */
.article-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 24px 0;
  border-top: 1px solid var(--line);
  margin-bottom: 16px;
}
.tag {
  font-size: 12px;
  font-weight: 500;
  color: var(--primary);
  background: var(--bg);
  border: 1px solid var(--line);
  padding: 5px 14px;
  border-radius: 20px;
  transition: all .18s ease-out;
  letter-spacing: .02em;
}
.tag:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}

.article-pager {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 0 8px;
  flex-wrap: wrap;
  gap: 12px;
}
.pager-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 500;
  color: var(--muted);
  background: var(--card);
  border: 1px solid var(--line);
  padding: 10px 20px;
  border-radius: var(--radius-md);
  transition: all .18s ease-out;
}
.pager-link:hover {
  color: var(--primary);
  border-color: var(--line-gold);
  box-shadow: var(--shadow-sm);
  transform: translateY(-1px);
}

@media (max-width: 480px) {
  .article-pager {
    flex-direction: column;
    align-items: stretch;
  }
  .pager-link {
    justify-content: center;
  }
}

/* ========== RELATED SECTION ========== */
.related-section {
  background: var(--bg-deep);
}
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 40px;
  gap: 20px;
}
.section-head h2 {
  font-family: var(--font-display);
  font-size: 30px;
  font-weight: 700;
  color: var(--ink);
  position: relative;
  padding-left: 18px;
  letter-spacing: .02em;
  line-height: 1.3;
}
.section-head h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 4px;
  background: var(--accent);
  border-radius: 2px;
}

.related-grid {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  gap: 24px;
}
.related-grid .featured {
  grid-row: span 2;
}
.related-card {
  display: flex;
  flex-direction: column;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: all .2s ease-out;
}
.related-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.related-card:hover .related-body h3 {
  color: var(--accent);
}
.related-thumb {
  overflow: hidden;
  aspect-ratio: 16 / 10;
  background: var(--bg-deep);
}
.related-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .3s ease-out;
}
.related-card:hover .related-thumb img {
  transform: scale(1.04);
}
.related-body {
  padding: 24px;
  display: flex;
  flex-direction: column;
  flex-grow: 1;
}
.related-body h3 {
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--ink);
  transition: color .18s ease-out;
}
.related-body p {
  font-size: 14px;
  color: var(--muted);
  line-height: 1.65;
  margin-bottom: 12px;
  flex-grow: 1;
}
.related-date {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  align-items: center;
  gap: 6px;
}
.related-date i {
  font-size: 11px;
  color: var(--accent);
}

.related-card.small {
  flex-direction: row;
  align-items: stretch;
}
.related-card.small .related-thumb {
  width: 140px;
  flex-shrink: 0;
  aspect-ratio: auto;
}
.related-card.small .related-body {
  padding: 18px 20px;
}
.related-card.small .related-body h3 {
  font-size: 16px;
}
.related-card.small .related-body p {
  font-size: 13px;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

@media (max-width: 1024px) {
  .related-grid {
    grid-template-columns: 1fr 1fr;
  }
  .related-grid .featured {
    grid-row: span 1;
  }
}

@media (max-width: 768px) {
  .related-grid {
    grid-template-columns: 1fr;
  }
  .related-card.small {
    flex-direction: column;
  }
  .related-card.small .related-thumb {
    width: 100%;
    aspect-ratio: 16 / 9;
  }
  .section-head {
    flex-direction: column;
    align-items: flex-start;
  }
}

/* ========== CTA SECTION ========== */
.cta-section {
  background: var(--primary-dark);
  position: relative;
  overflow: hidden;
  padding-block: 80px;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: linear-gradient(rgba(255, 255, 255, 0.035) 1px, transparent 1px);
  background-size: 100% 64px;
  pointer-events: none;
}
.cta-section::after {
  content: '';
  position: absolute;
  right: -80px;
  top: -80px;
  width: 320px;
  height: 320px;
  border: 1px solid rgba(192, 150, 74, 0.18);
  border-radius: 50%;
  pointer-events: none;
}
.cta-inner {
  position: relative;
  z-index: 2;
  max-width: 640px;
  margin-inline: auto;
  text-align: center;
  color: #fff;
}
.cta-tag {
  font-size: 11px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--accent-light);
  margin-bottom: 16px;
  font-weight: 500;
}
.cta-inner h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 3.5vw, 34px);
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 14px;
  letter-spacing: .02em;
}
.cta-inner p {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.7);
  margin-bottom: 32px;
  line-height: 1.7;
}
.cta-inner .btn-primary {
  font-size: 16px;
  padding: 15px 38px;
}

/* ========== FOOTER ========== */
.site-footer {
  background: #0A3324;
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
}
.site-footer .container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 48px;
}
.footer-brand .footer-logo {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 12px;
}
.footer-brand .badge {
  font-size: 10px;
  color: var(--accent-light);
  border: 1px solid rgba(192, 150, 74, 0.5);
  padding: 2px 6px;
  border-radius: 3px;
  font-family: var(--font-body);
  font-weight: 500;
}
.footer-desc {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 16px;
  max-width: 320px;
}
.footer-col-title {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: .04em;
}
.footer-col-links {
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-col-links a {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
  transition: all .18s ease-out;
}
.footer-col-links a:hover {
  color: var(--accent-light);
  padding-left: 4px;
}
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 10px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.65);
}
.footer-contact span {
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-contact i {
  font-size: 12px;
  color: var(--accent);
  width: 16px;
  text-align: center;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: rgba(255, 255, 255, 0.5);
  flex-wrap: wrap;
}
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
}
@media (max-width: 768px) {
  .site-footer {
    padding-top: 48px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

/* roulang page: category1 */
:root {
            --primary: #124A36;
            --primary-dark: #0A3324;
            --accent: #C0964A;
            --accent-light: #D8B878;
            --bg: #F5F2EC;
            --bg-deep: #EAE5DC;
            --card: #FFFFFF;
            --ink: #1B241F;
            --muted: #66736B;
            --line: rgba(18, 74, 54, 0.14);
            --line-gold: rgba(192, 150, 74, 0.45);
            --radius-md: 6px;
            --radius-lg: 14px;
            --shadow-sm: 0 1px 4px rgba(27, 36, 31, 0.06);
            --shadow-md: 0 12px 32px rgba(27, 36, 31, 0.10);
            --shadow-gold: 0 12px 36px rgba(192, 150, 74, 0.18);
            --font-display: "Noto Serif SC", "Source Han Serif SC", "Songti SC", serif;
            --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.85;
            color: var(--ink);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
        }

        body.frozen {
            overflow: hidden;
        }

        img {
            max-width: 100%;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease-out;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
            font-family: inherit;
        }

        input,
        textarea {
            font-family: inherit;
            font-size: 15px;
            border: 1px solid var(--line);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            background: var(--card);
            color: var(--ink);
            outline: none;
            transition: border-color 0.2s, box-shadow 0.2s;
            width: 100%;
        }

        input:focus,
        textarea:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 2px rgba(192, 150, 74, 0.18);
        }

        ::selection {
            background: var(--accent-light);
            color: var(--primary-dark);
        }

        .container {
            max-width: 1200px;
            margin-inline: auto;
            padding-inline: 24px;
        }

        .section {
            padding-block: 96px;
        }

        .section-head {
            margin-bottom: 48px;
            max-width: 680px;
        }

        .section-head--center {
            margin-inline: auto;
            text-align: center;
        }

        .section-head__eyebrow {
            display: inline-block;
            font-size: 11px;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-family: var(--font-display);
            font-size: clamp(26px, 3vw, 34px);
            font-weight: 700;
            color: var(--primary);
            line-height: 1.35;
            letter-spacing: 0.02em;
        }

        .section-head p {
            margin-top: 16px;
            color: var(--muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 999;
            height: 64px;
            background: rgba(245, 242, 236, 0.88);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border-bottom: 1px solid var(--line);
        }

        .header-inner {
            max-width: 1320px;
            margin-inline: auto;
            padding-inline: 24px;
            height: 100%;
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .logo-icon {
            width: 22px;
            height: 22px;
            border-radius: 5px;
            background: var(--primary);
            position: relative;
            display: inline-block;
        }

        .logo-icon::before {
            content: "";
            position: absolute;
            left: 5px;
            top: 5px;
            width: 12px;
            height: 3px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 6px 0 rgba(192, 150, 74, 0.7);
        }

        .logo-text {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .logo-main {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            letter-spacing: 0.03em;
            white-space: nowrap;
        }

        .logo-badge {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent);
            border: 1px solid var(--line-gold);
            border-radius: 3px;
            padding: 2px 6px;
            letter-spacing: 0.08em;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            gap: 24px;
            margin-left: 16px;
        }

        .nav-link {
            position: relative;
            font-size: 15px;
            color: var(--muted);
            padding-block: 6px;
            font-weight: 500;
            white-space: nowrap;
            transition: color 0.2s;
        }

        .nav-link::after {
            content: "";
            position: absolute;
            left: 0;
            right: 0;
            bottom: -2px;
            height: 2px;
            background: var(--accent);
            transform: scaleX(0);
            transition: transform 0.25s ease-out;
            border-radius: 2px;
        }

        .nav-link:hover {
            color: var(--primary);
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            transform: scaleX(1);
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
            margin-left: auto;
            flex-shrink: 0;
        }

        .search-box {
            display: flex;
            align-items: center;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: 30px;
            padding: 7px 14px;
            gap: 8px;
            width: 190px;
            transition: border-color 0.2s, box-shadow 0.2s;
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(192, 150, 74, 0.12);
        }

        .search-box i {
            font-size: 13px;
            color: var(--muted);
        }

        .search-box input {
            border: none;
            padding: 0;
            font-size: 13px;
            background: transparent;
            box-shadow: none !important;
            color: var(--ink);
        }

        .search-box input::placeholder {
            color: var(--muted);
            opacity: 0.7;
        }

        .btn-login {
            font-size: 14px;
            color: var(--primary);
            font-weight: 500;
            padding: 6px 4px;
            transition: color 0.2s;
        }

        .btn-login:hover {
            color: var(--accent);
        }

        .btn-enter {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 18px;
            border-radius: var(--radius-md);
            transition: background 0.2s ease-out, transform 0.15s ease-out;
        }

        .btn-enter:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
        }

        .hamburger-btn {
            display: none;
            font-size: 20px;
            color: var(--primary);
            padding: 6px;
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: var(--bg);
            border-bottom: 1px solid var(--line);
            padding: 20px 24px 24px;
            box-shadow: var(--shadow-md);
            z-index: 998;
        }

        .mobile-menu.open {
            display: block;
        }

        .mobile-nav {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 16px;
        }

        .mobile-nav__link {
            font-size: 16px;
            color: var(--ink);
            padding: 10px 0;
            border-bottom: 1px solid var(--line);
            font-weight: 500;
        }

        .mobile-nav__link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .mobile-search {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-search input {
            padding: 12px 14px;
        }

        .page-hero {
            position: relative;
            background: var(--primary-dark);
            color: #fff;
            padding: 160px 0 100px;
            overflow: hidden;
        }

        .page-hero__bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.3;
        }

        .page-hero__bg::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 51, 36, 0.92) 0%, rgba(10, 51, 36, 0.65) 55%, rgba(10, 51, 36, 0.42) 100%);
        }

        .page-hero__inner {
            position: relative;
            z-index: 2;
        }

        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.62);
            margin-bottom: 32px;
        }

        .breadcrumb a {
            color: rgba(255, 255, 255, 0.72);
            transition: color 0.2s;
        }

        .breadcrumb a:hover {
            color: var(--accent-light);
        }

        .breadcrumb__sep {
            color: rgba(255, 255, 255, 0.4);
        }

        .breadcrumb__current {
            color: var(--accent-light);
        }

        .page-hero__content {
            max-width: 760px;
        }

        .page-hero__eyebrow {
            display: inline-block;
            font-size: 11px;
            letter-spacing: 0.32em;
            text-transform: uppercase;
            color: var(--accent-light);
            margin-bottom: 20px;
            border-left: 3px solid var(--accent);
            padding-left: 12px;
        }

        .page-hero h1 {
            font-family: var(--font-display);
            font-size: clamp(32px, 5vw, 52px);
            font-weight: 700;
            line-height: 1.3;
            letter-spacing: 0.02em;
            margin-bottom: 20px;
        }

        .page-hero p {
            font-size: 16px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.88);
            margin-bottom: 36px;
            max-width: 640px;
        }

        .page-hero__actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            font-size: 15px;
            font-weight: 600;
            padding: 13px 26px;
            border-radius: var(--radius-md);
            transition: background 0.2s ease-out, color 0.2s ease-out, transform 0.15s ease-out, box-shadow 0.2s ease-out;
        }

        .btn:active {
            transform: scale(0.98);
        }

        .btn--accent {
            background: var(--accent);
            color: var(--primary-dark);
        }

        .btn--accent:hover {
            background: var(--accent-light);
            box-shadow: var(--shadow-gold);
        }

        .btn--outline {
            background: transparent;
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.45);
        }

        .btn--outline:hover {
            border-color: var(--accent);
            color: var(--accent-light);
        }

        .btn--primary {
            background: var(--primary);
            color: #fff;
        }

        .btn--primary:hover {
            background: var(--primary-dark);
        }

        .btn--ghost {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--line);
        }

        .btn--ghost:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        .btn--lg {
            padding: 16px 36px;
            font-size: 16px;
        }

        .access-compare {
            background: var(--bg);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1.22fr 1fr;
            gap: 20px;
            align-items: stretch;
        }

        .compare-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            display: flex;
            flex-direction: column;
            transition: box-shadow 0.2s ease-out, transform 0.2s ease-out;
            position: relative;
        }

        .compare-card--side:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .compare-card--featured {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-md);
            padding: 40px 32px;
        }

        .compare-card--featured:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .compare-card__badge {
            position: absolute;
            top: -10px;
            right: 16px;
            background: var(--accent);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 20px;
            letter-spacing: 0.05em;
        }

        .compare-card__label {
            font-size: 11px;
            letter-spacing: 0.22em;
            text-transform: uppercase;
            color: var(--accent);
            font-weight: 600;
            margin-bottom: 12px;
        }

        .compare-card--featured .compare-card__label {
            color: var(--accent-light);
        }

        .compare-card__title {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

        .compare-card--featured .compare-card__title {
            color: #fff;
            font-size: 26px;
        }

        .compare-card__desc {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
            margin-bottom: 20px;
        }

        .compare-card--featured .compare-card__desc {
            color: rgba(255, 255, 255, 0.8);
        }

        .compare-card__list {
            list-style: none;
            margin: 0 0 24px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .compare-card__list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--ink);
            line-height: 1.65;
        }

        .compare-card--featured .compare-card__list li {
            color: rgba(255, 255, 255, 0.92);
        }

        .compare-card__list i {
            color: var(--accent);
            font-size: 13px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .compare-card--featured .compare-card__list i {
            color: var(--accent-light);
        }

        .compare-card .btn {
            margin-top: auto;
        }

        .highlights {
            background: var(--bg-deep);
        }

        .highlight-grid {
            display: grid;
            grid-template-columns: 5fr 7fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 72px;
        }

        .highlight-media {
            position: relative;
        }

        .highlight-media::before {
            content: "";
            position: absolute;
            top: -12px;
            left: -12px;
            width: 100%;
            height: 100%;
            border: 1px solid var(--line-gold);
            border-radius: var(--radius-lg);
            z-index: 0;
        }

        .highlight-media__img {
            position: relative;
            z-index: 1;
            border-radius: var(--radius-lg);
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
            box-shadow: var(--shadow-md);
        }

        .highlight-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .highlight-item {
            position: relative;
            padding: 24px 20px 20px 24px;
            background: var(--card);
            border-radius: var(--radius-md);
            border: 1px solid var(--line);
            transition: box-shadow 0.2s, transform 0.2s;
        }

        .highlight-item:hover {
            box-shadow: var(--shadow-sm);
            transform: translateY(-2px);
        }

        .highlight-item__bar {
            position: absolute;
            top: 0;
            left: 24px;
            width: 28px;
            height: 3px;
            background: var(--accent);
            border-radius: 0 0 3px 3px;
        }

        .highlight-item h3 {
            font-family: var(--font-display);
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .highlight-item p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(12, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: box-shadow 0.2s, transform 0.2s;
            display: flex;
            flex-direction: column;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .scenario-card:nth-child(1) {
            grid-column: span 7;
        }

        .scenario-card:nth-child(2) {
            grid-column: span 5;
            justify-content: center;
        }

        .scenario-card:nth-child(3) {
            grid-column: span 5;
            justify-content: center;
        }

        .scenario-card:nth-child(4) {
            grid-column: span 7;
        }

        .scenario-card__img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }

        .scenario-card:nth-child(1) .scenario-card__img {
            height: 220px;
        }

        .scenario-card:nth-child(4) .scenario-card__img {
            height: 220px;
        }

        .scenario-card__body {
            padding: 28px;
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .scenario-card h3 {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }

        .scenario-card .scenario-card__body {
            padding: 24px;
        }

        .steps {
            background: var(--bg);
        }

        .steps-timeline {
            max-width: 760px;
            margin-inline: auto;
            position: relative;
            padding-left: 0;
        }

        .steps-timeline::before {
            content: "";
            position: absolute;
            left: 64px;
            top: 20px;
            bottom: 20px;
            width: 1px;
            background: var(--line);
        }

        .step-item {
            display: flex;
            gap: 28px;
            position: relative;
            margin-bottom: 48px;
            opacity: 0;
            transform: translateY(20px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .step-item.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .step-item:last-child {
            margin-bottom: 0;
        }

        .step-item__num {
            font-family: var(--font-display);
            font-size: 36px;
            font-weight: 700;
            color: var(--accent);
            line-height: 1;
            width: 64px;
            flex-shrink: 0;
            text-align: center;
            padding-top: 2px;
        }

        .step-item__body {
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 28px 32px;
            flex-grow: 1;
            transition: box-shadow 0.2s, transform 0.2s;
        }

        .step-item__body:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }

        .step-item__body h3 {
            font-family: var(--font-display);
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 8px;
        }

        .step-item__body p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.75;
        }

        .guide-links {
            background: var(--bg-deep);
        }

        .guide-list {
            max-width: 860px;
            margin-inline: auto;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            overflow: hidden;
        }

        .guide-item {
            display: flex;
            align-items: center;
            gap: 24px;
            padding: 24px 28px;
            border-bottom: 1px solid var(--line);
            transition: background 0.2s;
        }

        .guide-item:last-child {
            border-bottom: none;
        }

        .guide-item:hover {
            background: var(--bg);
        }

        .guide-item:hover .guide-item__title {
            color: var(--accent);
        }

        .guide-item__num {
            font-family: var(--font-display);
            font-size: 26px;
            font-weight: 700;
            color: var(--accent);
            flex-shrink: 0;
            width: 48px;
        }

        .guide-item__main {
            flex-grow: 1;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        .guide-item__title {
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            transition: color 0.2s;
        }

        .guide-item__desc {
            font-size: 13px;
            color: var(--muted);
            margin-top: 3px;
        }

        .guide-item__arrow {
            font-size: 13px;
            color: var(--muted);
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 6px;
            transition: color 0.2s, transform 0.2s;
        }

        .guide-item:hover .guide-item__arrow {
            color: var(--accent);
            transform: translateX(4px);
        }

        .faq {
            background: var(--bg);
        }

        .faq-list {
            max-width: 760px;
            margin-inline: auto;
        }

        .faq-item {
            border-bottom: 1px solid var(--line);
        }

        .faq-item:first-child {
            border-top: 1px solid var(--line);
        }

        .faq-item__q {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            text-align: left;
            padding: 24px 8px;
            font-size: 16px;
            font-weight: 600;
            color: var(--ink);
            transition: color 0.2s;
        }

        .faq-item__q:hover {
            color: var(--primary);
        }

        .faq-item__q i {
            font-size: 16px;
            color: var(--accent);
            flex-shrink: 0;
            transition: transform 0.25s ease-out;
        }

        .faq-item.open .faq-item__q i {
            transform: rotate(45deg);
        }

        .faq-item__a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease-out, padding 0.35s ease-out, opacity 0.3s;
            opacity: 0;
            padding: 0 8px;
        }

        .faq-item.open .faq-item__a {
            max-height: 240px;
            opacity: 1;
            padding: 0 8px 24px;
        }

        .faq-item__a p {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.8;
        }

        .cta-form-wrap {
            background: var(--bg);
            padding-top: 0;
        }

        .cta-band {
            background: var(--primary-dark);
            border-radius: var(--radius-lg);
            padding: 72px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
            margin-bottom: 48px;
        }

        .cta-band::before {
            content: "";
            position: absolute;
            top: 0;
            left: 10%;
            width: 1px;
            height: 100%;
            background: linear-gradient(to bottom, transparent, rgba(192, 150, 74, 0.35), transparent);
        }

        .cta-band::after {
            content: "";
            position: absolute;
            top: 0;
            right: 12%;
            width: 1px;
            height: 100%;
            background: linear-gradient(to bottom, transparent, rgba(192, 150, 74, 0.2), transparent);
        }

        .cta-band__tag {
            display: inline-block;
            font-size: 11px;
            letter-spacing: 0.3em;
            text-transform: uppercase;
            color: var(--accent-light);
            margin-bottom: 16px;
        }

        .cta-band h2 {
            font-family: var(--font-display);
            font-size: clamp(24px, 3vw, 32px);
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-band p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            margin-bottom: 32px;
        }

        .cta-band .btn {
            position: relative;
            z-index: 2;
        }

        .help-form {
            max-width: 860px;
            margin-inline: auto;
            background: var(--card);
            border: 1px solid var(--line);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-sm);
        }

        .help-form__head {
            margin-bottom: 28px;
        }

        .help-form__head h3 {
            font-family: var(--font-display);
            font-size: 22px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .help-form__head p {
            font-size: 14px;
            color: var(--muted);
        }

        .help-form__body {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }

        .form-field {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .form-field--full {
            grid-column: span 2;
        }

        .form-field label {
            font-size: 14px;
            font-weight: 500;
            color: var(--ink);
        }

        .form-field textarea {
            resize: vertical;
            min-height: 120px;
        }

        .form-field .btn {
            justify-self: start;
            margin-top: 4px;
        }

        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 72px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 56px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-display);
            font-size: 20px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-logo .badge {
            font-size: 11px;
            font-weight: 600;
            color: var(--accent-light);
            border: 1px solid var(--line-gold);
            border-radius: 3px;
            padding: 2px 6px;
            letter-spacing: 0.08em;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.6);
            max-width: 280px;
        }

        .footer-col-title {
            font-size: 14px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col-links a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.2s;
        }

        .footer-col-links a:hover {
            color: var(--accent-light);
        }

        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact i {
            color: var(--accent);
            margin-right: 8px;
            font-size: 13px;
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
        }

        @media (max-width: 1024px) {
            .header-inner {
                gap: 20px;
            }

            .main-nav {
                gap: 16px;
                margin-left: 8px;
            }

            .search-box {
                width: 150px;
            }

            .compare-grid {
                grid-template-columns: 1fr;
            }

            .compare-card--featured {
                order: -1;
            }

            .highlight-grid {
                grid-template-columns: 1fr;
            }

            .scenario-card:nth-child(1),
            .scenario-card:nth-child(2),
            .scenario-card:nth-child(3),
            .scenario-card:nth-child(4) {
                grid-column: span 6;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding-block: 64px;
            }

            .site-header {
                height: 56px;
            }

            .header-inner {
                padding-inline: 16px;
            }

            .main-nav {
                display: none;
            }

            .search-box {
                display: none;
            }

            .btn-login {
                display: none;
            }

            .btn-enter {
                padding: 8px 14px;
                font-size: 13px;
            }

            .hamburger-btn {
                display: block;
            }

            .page-hero {
                padding: 120px 0 72px;
            }

            .page-hero h1 {
                font-size: 34px;
            }

            .page-hero p {
                font-size: 15px;
            }

            .page-hero__actions {
                flex-direction: column;
                align-items: stretch;
            }

            .highlight-list {
                grid-template-columns: 1fr;
            }

            .scenario-card:nth-child(1),
            .scenario-card:nth-child(2),
            .scenario-card:nth-child(3),
            .scenario-card:nth-child(4) {
                grid-column: span 12;
            }

            .steps-timeline::before {
                left: 28px;
            }

            .step-item {
                gap: 16px;
            }

            .step-item__num {
                width: 28px;
                font-size: 28px;
            }

            .step-item__body {
                padding: 20px;
            }

            .guide-item {
                padding: 18px 16px;
                gap: 14px;
                flex-wrap: wrap;
            }

            .guide-item__num {
                width: 36px;
                font-size: 22px;
            }

            .guide-item__arrow {
                margin-left: auto;
            }

            .cta-band {
                padding: 48px 24px;
            }

            .help-form {
                padding: 24px 20px;
            }

            .help-form__body {
                grid-template-columns: 1fr;
            }

            .form-field--full {
                grid-column: span 1;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-inline: 16px;
            }

            .logo-main {
                font-size: 16px;
            }

            .logo-badge {
                font-size: 10px;
                padding: 1px 4px;
            }

            .btn-enter span {
                display: none;
            }

            .btn-enter {
                gap: 4px;
                padding: 8px 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .compare-card {
                padding: 24px 20px;
            }

            .highlight-item {
                padding: 20px 16px 16px 18px;
            }

            .step-item__body {
                padding: 16px;
            }

            .step-item__num {
                display: none;
            }

            .steps-timeline::before {
                display: none;
            }

            .step-item {
                margin-bottom: 24px;
            }
        }
