/* roulang page: index */
:root {
  --bg-dark: #0B0C0E;
  --bg-card: #111317;
  --bg-light: #F7F5F1;
  --bg-white: #FFFFFF;
  --gold: #C6A15B;
  --gold-hover: #E3C88E;
  --gold-active: #A8894B;
  --text-main: #F5F2EC;
  --text-sub: #9A968E;
  --text-weak: #6F6B64;
  --border-dark: #24272C;
  --border-light: #E6E1D8;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-sm: 8px;
  --radius-pill: 999px;
  --shadow-gold: 0 6px 24px rgba(198,161,91,0.18);
  --shadow-card: 0 2px 8px rgba(17,19,23,0.04);
  --transition: 0.25s ease;
  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-num: "Inter", "DIN Alternate", sans-serif;
  --space-section: 108px;
  --space-section-mobile: 72px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color 0.25s ease; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding-left: 24px;
  padding-right: 24px;
}
section { position: relative; }
.section-pad { padding-top: var(--space-section); padding-bottom: var(--space-section); }

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 32px;
  border-radius: var(--radius-md);
  background: var(--gold);
  color: #111317;
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.02em;
  transition: all var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}
.btn-primary:hover { background: var(--gold-hover); box-shadow: var(--shadow-gold); transform: translateY(-1px); }
.btn-primary:active { background: var(--gold-active); transform: translateY(0); }
.btn-primary:focus-visible { outline: 3px solid rgba(198,161,91,0.4); outline-offset: 2px; }

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 32px;
  border-radius: var(--radius-md);
  background: transparent;
  border: 1px solid #4A4D54;
  color: #D8D4CD;
  font-size: 15px;
  font-weight: 500;
  transition: all var(--transition);
  white-space: nowrap;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold-hover); transform: translateY(-1px); }
.btn-ghost:active { transform: translateY(0); }
.btn-ghost:focus-visible { outline: 3px solid rgba(198,161,91,0.3); outline-offset: 2px; }

.btn-sm { height: 40px; padding: 0 22px; font-size: 14px; }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  padding: 16px 24px 0;
  pointer-events: none;
}
.site-header.scrolled .nav-card { border-top: 1px solid rgba(198,161,91,0.15); }
.nav-card {
  max-width: 1280px;
  margin: 0 auto;
  height: 72px;
  background: rgba(11,12,14,0.86);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  pointer-events: auto;
  box-shadow: 0 4px 24px rgba(0,0,0,0.3);
  transition: border-color 0.3s ease;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-text {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-main);
  line-height: 1.2;
}
.logo-badge {
  font-size: 11px;
  font-weight: 500;
  color: var(--gold);
  border: 1px solid rgba(198,161,91,0.5);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  flex: 1;
  justify-content: center;
}
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-sub);
  transition: all var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-link i { font-size: 14px; }
.nav-link:hover { background: rgba(198,161,91,0.08); color: var(--text-main); }
.nav-link.active { color: var(--gold); background: rgba(198,161,91,0.1); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.nav-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-toggle {
  display: none;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-dark);
  color: var(--text-main);
  font-size: 18px;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
}
.nav-toggle:hover { border-color: var(--gold); color: var(--gold); }

/* ===== Hero ===== */
.hero {
  min-height: 100vh;
  display: flex;
  align-items: center;
  padding: 160px 0 100px;
  position: relative;
  overflow: hidden;
}
.hero-bg-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 0;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(11,12,14,0.55) 0%, rgba(11,12,14,0.55) 30%, var(--bg-dark) 100%);
  z-index: 1;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 680px;
  animation: heroFadeIn 0.6s ease both;
}
@keyframes heroFadeIn {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}
.hero-content h1 {
  font-size: clamp(38px, 5vw, 56px);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.5px;
  color: var(--text-main);
  margin-bottom: 24px;
}
.hero-content h1 .gold-text { color: var(--gold); }
.hero-sub {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(245,242,236,0.85);
  margin-bottom: 36px;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 48px; }
.hero-trust {
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 12px;
  color: rgba(245,242,236,0.6);
  letter-spacing: 0.08em;
  flex-wrap: wrap;
}
.hero-trust i { font-style: normal; color: rgba(245,242,236,0.3); }
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; }
.hero-trust span::before {
  content: '';
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--gold);
  display: inline-block;
}
.hero-trust span:first-child::before { background: var(--gold); }

/* ===== Section Headings ===== */
.section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 48px;
}
.section-head .title-bar {
  width: 20px;
  height: 40px;
  background: var(--gold);
  border-radius: 4px;
  flex-shrink: 0;
}
.section-head h2 {
  font-size: clamp(28px, 3.6vw, 40px);
  font-weight: 700;
  letter-spacing: -0.5px;
  line-height: 1.3;
}

/* ===== Features ===== */
.features { padding: 110px 0; }
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.feature-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 32px;
  transition: all 0.3s ease;
  display: flex;
  flex-direction: column;
}
.feature-card:hover {
  transform: translateY(-4px);
  border-color: rgba(198,161,91,0.4);
  box-shadow: var(--shadow-gold);
}
.feature-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: rgba(198,161,91,0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 20px;
  transition: all 0.3s ease;
}
.feature-icon i { font-size: 20px; color: var(--gold); transition: all 0.3s ease; }
.feature-card:hover .feature-icon { background: var(--gold); }
.feature-card:hover .feature-icon i { color: #111317; }
.feature-card h3 { font-size: 18px; font-weight: 600; margin-bottom: 12px; color: var(--text-main); }
.feature-card p { font-size: 14px; color: var(--text-sub); line-height: 1.7; flex: 1; }
.feature-more {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--gold);
  margin-top: 20px;
  font-weight: 500;
  transition: all 0.3s ease;
}
.feature-more i { transition: transform 0.3s ease; }
.feature-card:hover .feature-more i { transform: translateX(4px); }
.feature-card:hover .feature-more { color: var(--gold-hover); }

/* ===== Scenario ===== */
.scenario { padding: 110px 0; background: var(--bg-card); border-top: 1px solid var(--border-dark); border-bottom: 1px solid var(--border-dark); }
.scenario-inner {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 56px;
  align-items: center;
}
.scenario-media {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: 0 8px 32px rgba(0,0,0,0.4);
}
.scenario-media img { width: 100%; height: 100%; object-fit: cover; aspect-ratio: 16/9; transition: transform 0.4s ease; }
.scenario-media:hover img { transform: scale(1.02); }
.scenario-media::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gold);
}
.scenario-steps { display: flex; flex-direction: column; gap: 0; }
.step-item {
  display: flex;
  gap: 20px;
  padding: 28px 0;
  border-bottom: 1px solid var(--border-dark);
  transition: all 0.3s ease;
}
.step-item:last-child { border-bottom: none; }
.step-num {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: var(--bg-dark);
  border: 1px solid var(--gold);
  color: var(--gold);
  display: flex;
  align-items: center;
  justify-content: center;
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 600;
  flex-shrink: 0;
  transition: all 0.3s ease;
}
.step-item:hover .step-num { background: var(--gold); color: #111317; }
.step-item h3 { font-size: 17px; font-weight: 600; margin-bottom: 6px; color: var(--text-main); }
.step-item p { font-size: 14px; color: var(--text-sub); line-height: 1.7; }

/* ===== Social Proof ===== */
.social-proof {
  background: var(--bg-light);
  color: #111317;
  padding: 110px 0;
}
.social-proof .section-head h2 { color: #111317; }
.social-proof .section-head .title-bar { background: var(--gold); }
.proof-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
  margin-bottom: 48px;
}
.proof-card {
  background: var(--bg-white);
  border: 1px solid var(--border-light);
  border-radius: 12px;
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: all 0.3s ease;
}
.proof-card:hover { box-shadow: 0 6px 20px rgba(17,19,23,0.08); transform: translateY(-2px); }
.proof-stars { color: var(--gold); font-size: 14px; margin-bottom: 16px; letter-spacing: 2px; }
.proof-stars i { margin-right: 2px; }
.proof-text { font-size: 14px; color: #3A3A3A; line-height: 1.8; margin-bottom: 16px; }
.proof-author { font-size: 12px; color: var(--text-sub); font-weight: 500; }
.proof-stats {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 48px;
  padding-top: 40px;
  border-top: 1px solid var(--border-light);
  flex-wrap: wrap;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-num);
  font-size: 44px;
  font-weight: 700;
  color: var(--gold);
  line-height: 1.2;
  letter-spacing: -0.5px;
}
.stat-label { font-size: 14px; color: #6F6B64; margin-top: 6px; }
.stat-divider {
  width: 1px;
  height: 48px;
  background: var(--border-light);
}

/* ===== News Section ===== */
.news-section { padding: 110px 0; }
.news-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}
.news-header h2 { font-size: clamp(28px, 3.6vw, 40px); font-weight: 700; letter-spacing: -0.5px; }
.news-header .view-all {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-sub);
  transition: all var(--transition);
}
.news-header .view-all:hover { color: var(--gold-hover); }
.news-header .view-all i { transition: transform 0.25s ease; }
.news-header .view-all:hover i { transform: translateX(4px); }
.news-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.news-card {
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 28px;
  display: flex;
  flex-direction: column;
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}
.news-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--gold), transparent);
  opacity: 0;
  transition: opacity 0.3s ease;
}
.news-card:hover { transform: translateY(-3px); border-color: rgba(198,161,91,0.35); box-shadow: var(--shadow-gold); }
.news-card:hover::before { opacity: 1; }
.news-cat {
  display: inline-flex;
  align-items: center;
  align-self: flex-start;
  font-size: 12px;
  font-weight: 500;
  color: var(--gold);
  background: rgba(198,161,91,0.1);
  border-radius: var(--radius-pill);
  padding: 4px 14px;
  margin-bottom: 16px;
  letter-spacing: 0.04em;
}
.news-title {
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text-main);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-desc {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 16px;
}
.news-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 12px;
  color: var(--text-weak);
  border-top: 1px solid var(--border-dark);
  padding-top: 14px;
}
.news-meta .read-link { color: var(--gold); font-weight: 500; transition: all 0.25s ease; }
.news-card:hover .read-link { color: var(--gold-hover); }
.news-empty {
  grid-column: 1 / -1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 60px 20px;
  border: 1px dashed var(--border-dark);
  border-radius: var(--radius-lg);
  text-align: center;
  color: var(--text-sub);
}
.news-empty i { font-size: 40px; color: var(--border-dark); margin-bottom: 16px; }
.news-empty p { font-size: 14px; }

/* ===== FAQ ===== */
.faq-section { padding: 110px 0; background: var(--bg-card); border-top: 1px solid var(--border-dark); border-bottom: 1px solid var(--border-dark); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item {
  border-bottom: 1px solid var(--border-dark);
  transition: all 0.3s ease;
}
.faq-item:first-child { border-top: 1px solid var(--border-dark); }
.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 24px 4px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: color 0.25s ease;
}
.faq-question:hover { color: var(--gold); }
.faq-toggle {
  font-size: 18px;
  color: var(--gold);
  transition: transform 0.3s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-toggle { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.35s ease, padding 0.35s ease;
  padding: 0 4px 0 4px;
}
.faq-item.active .faq-answer {
  max-height: 500px;
  padding: 0 4px 24px 4px;
}
.faq-answer p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.9;
}

/* ===== CTA Banner ===== */
.cta-banner { padding: 90px 0; position: relative; }
.cta-inner {
  background: linear-gradient(135deg, #111317 0%, #1A1D22 100%);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  padding: 56px 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  position: relative;
  overflow: hidden;
}
.cta-inner::before {
  content: '';
  position: absolute;
  top: -40px;
  right: -40px;
  width: 160px;
  height: 160px;
  background: radial-gradient(circle, rgba(198,161,91,0.15) 0%, transparent 70%);
  border-radius: 50%;
}
.cta-inner h3 { font-size: 26px; font-weight: 700; line-height: 1.4; margin-bottom: 8px; color: var(--text-main); }
.cta-inner p { font-size: 14px; color: var(--text-sub); }

/* ===== Footer ===== */
.site-footer {
  background: #090A0C;
  border-top: 1px solid var(--border-dark);
  padding: 72px 0 32px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.5fr 1fr 1fr;
  gap: 48px;
  margin-bottom: 48px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand-text {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.8;
  max-width: 320px;
}
.footer-heading {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-main);
  margin-bottom: 20px;
  letter-spacing: 0.02em;
}
.footer-links {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.footer-links a {
  font-size: 13px;
  color: var(--text-sub);
  transition: all 0.25s ease;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-links a i { font-size: 12px; color: var(--gold); }
.footer-links a:hover { color: var(--gold-hover); padding-left: 4px; }
.footer-contact {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-contact .contact-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 13px;
  color: var(--text-sub);
}
.footer-contact .contact-item i { color: var(--gold); font-size: 14px; width: 16px; }
.footer-bottom {
  border-top: 1px solid var(--border-dark);
  padding-top: 24px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-weak);
}

/* ===== Fixed CTA ===== */
.fixed-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 999;
  background: rgba(11,12,14,0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--border-dark);
  padding: 12px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 24px;
  transform: translateY(100%);
  transition: transform 0.3s ease;
}
.fixed-cta.visible { transform: translateY(0); }
.fixed-cta .cta-text { font-size: 14px; color: var(--text-main); }
.fixed-cta .cta-text i { color: var(--gold); margin-right: 6px; }
.fixed-cta .close-btn {
  position: absolute;
  right: 16px;
  top: 50%;
  transform: translateY(-50%);
  width: 28px;
  height: 28px;
  border-radius: 50%;
  border: 1px solid var(--border-dark);
  color: var(--text-sub);
  font-size: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.25s ease;
}
.fixed-cta .close-btn:hover { border-color: var(--gold); color: var(--gold); }

/* ===== Scrollbar ===== */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: var(--bg-dark); }
::-webkit-scrollbar-thumb { background: #2A2D32; border-radius: 5px; }
::-webkit-scrollbar-thumb:hover { background: var(--gold); }

/* ===== Focus Visible ===== */
a:focus-visible, button:focus-visible {
  outline: 3px solid rgba(198,161,91,0.4);
  outline-offset: 2px;
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .scenario-inner { grid-template-columns: 1fr; gap: 40px; }
  .proof-grid { grid-template-columns: repeat(2, 1fr); }
  .news-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-links { gap: 2px; }
  .nav-link { padding: 8px 12px; font-size: 13px; }
}

@media (max-width: 768px) {
  :root { --space-section: 64px; --space-section-mobile: 64px; }
  .site-header { padding: 12px 12px 0; }
  .nav-card { padding: 0 16px; }
  .logo-text { font-size: 17px; }
  .logo-badge { font-size: 10px; padding: 2px 8px; }
  .nav-links {
    position: absolute;
    top: calc(100% + 8px);
    left: 0;
    right: 0;
    background: rgba(11,12,14,0.96);
    backdrop-filter: blur(16px);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    flex-direction: column;
    align-items: stretch;
    padding: 12px;
    gap: 6px;
    box-shadow: 0 12px 32px rgba(0,0,0,0.5);
    display: none;
  }
  .nav-links.open { display: flex; }
  .nav-link { width: 100%; justify-content: flex-start; padding: 12px 16px; }
  .nav-link.active::after { display: none; }
  .nav-cta .btn-sm { font-size: 13px; padding: 0 16px; }
  .nav-toggle { display: inline-flex; }
  .hero { padding: 120px 0 80px; }
  .hero-content h1 { font-size: 36px; }
  .hero-sub { font-size: 15px; }
  .hero-trust { gap: 10px; font-size: 11px; }
  .features-grid { grid-template-columns: 1fr; }
  .proof-grid { grid-template-columns: 1fr; }
  .proof-stats { gap: 24px; }
  .stat-num { font-size: 36px; }
  .stat-divider { height: 36px; }
  .news-grid { grid-template-columns: 1fr; }
  .news-header { flex-direction: column; align-items: flex-start; gap: 12px; }
  .cta-inner { padding: 40px 24px; flex-direction: column; text-align: center; }
  .cta-inner::before { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .fixed-cta {
    flex-direction: column;
    padding: 12px 24px 12px;
    gap: 10px;
    text-align: center;
  }
  .fixed-cta .cta-text { font-size: 13px; }
}

@media (max-width: 520px) {
  .container { padding-left: 16px; padding-right: 16px; }
  .nav-card { padding: 0 12px; height: 64px; }
  .nav-cta .btn-sm { display: none; }
  .hero { min-height: 92vh; padding-top: 110px; }
  .hero-content h1 { font-size: 30px; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .hero-actions .btn-primary, .hero-actions .btn-ghost { width: 100%; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 10px; }
  .feature-card { padding: 24px; }
  .news-card { padding: 24px; }
  .proof-card { padding: 24px; }
  .cta-inner h3 { font-size: 22px; }
  .fixed-cta .close-btn { top: 8px; transform: none; right: 8px; }
  .hero-trust { gap: 8px; }
}

/* roulang page: category1 */
:root{
  --bg:#0B0C0E;
  --card:#111317;
  --card-2:#1A1D22;
  --bg-light:#F7F5F1;
  --white:#FFFFFF;
  --gold:#C6A15B;
  --gold-hover:#E3C88E;
  --gold-active:#A8894B;
  --text:#F5F2EC;
  --text-secondary:#9A968E;
  --text-muted:#6F6B64;
  --border:#24272C;
  --border-light:#E6E1D8;
  --radius-lg:16px;
  --radius-md:10px;
  --radius-sm:8px;
  --radius-pill:999px;
  --shadow-gold:0 6px 24px rgba(198,161,91,0.18);
  --transition:all .25s ease;
  --container:1280px;
  --section-space:110px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Inter",sans-serif;
  background:var(--bg);
  color:var(--text);
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font-family:inherit;border:none;background:none;cursor:pointer}
ul,ol{list-style:none}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}
section{position:relative}

/* 按钮 */
.btn-primary{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:46px;
  padding:0 28px;
  border-radius:var(--radius-md);
  background:var(--gold);
  color:#111317;
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:var(--transition);
  gap:8px;
}
.btn-primary:hover{
  background:var(--gold-hover);
  box-shadow:var(--shadow-gold);
  transform:translateY(-2px);
  color:#111317;
}
.btn-primary:active{
  background:var(--gold-active);
  transform:translateY(0);
  box-shadow:none;
}
.btn-primary:focus-visible{
  outline:2px solid var(--gold-hover);
  outline-offset:3px;
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:46px;
  padding:0 28px;
  border-radius:var(--radius-md);
  border:1px solid #4A4D54;
  color:#D8D4CD;
  font-size:15px;
  font-weight:500;
  letter-spacing:.02em;
  transition:var(--transition);
  gap:8px;
  background:rgba(11,12,14,.28);
}
.btn-ghost:hover{
  border-color:var(--gold);
  color:var(--gold-hover);
  transform:translateY(-2px);
}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{
  height:40px;
  padding:0 20px;
  font-size:14px;
  border-radius:var(--radius-md);
}

/* 导航 */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:100;
  padding:0 24px;
}
.nav-card{
  max-width:1280px;
  margin:0 auto;
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  background:rgba(11,12,14,.86);
  border:1px solid rgba(255,255,255,.06);
  border-radius:var(--radius-lg);
  padding:0 18px 0 22px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  transition:var(--transition);
}
.site-header.scrolled .nav-card{
  border-top-color:rgba(198,161,91,.35);
  box-shadow:0 8px 32px rgba(0,0,0,.35);
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-text{
  font-size:20px;
  font-weight:700;
  letter-spacing:-.5px;
  color:var(--text);
  font-family:"Inter","DIN Alternate",sans-serif;
}
.logo-badge{
  font-size:11px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--gold);
  border:1px solid rgba(198,161,91,.5);
  border-radius:var(--radius-pill);
  padding:2px 9px;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:8px;
  flex:1;
  justify-content:flex-end;
  margin:0 18px;
  min-width:0;
}
.nav-link{
  display:inline-flex;
  align-items:center;
  gap:7px;
  height:42px;
  padding:0 16px;
  border-radius:var(--radius-pill);
  color:var(--text-secondary);
  font-size:14px;
  font-weight:500;
  white-space:nowrap;
  position:relative;
  transition:var(--transition);
}
.nav-link i{
  font-size:14px;
  color:var(--text-muted);
  transition:var(--transition);
}
.nav-link:hover{
  background:rgba(198,161,91,.08);
  color:var(--text);
}
.nav-link:hover i{color:var(--gold)}
.nav-link::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  width:0;
  height:2px;
  background:var(--gold);
  border-radius:2px;
  transform:translateX(-50%);
  transition:width .25s ease;
}
.nav-link:hover::after{
  width:20px;
}
.nav-link.active{
  color:var(--gold);
  background:rgba(198,161,91,.07);
}
.nav-link.active i{color:var(--gold)}
.nav-link.active::after{width:20px}
.nav-cta{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.nav-toggle{
  display:none;
  width:40px;
  height:40px;
  border-radius:var(--radius-md);
  color:var(--text);
  font-size:18px;
  border:1px solid var(--border);
  align-items:center;
  justify-content:center;
  background:var(--card);
  transition:var(--transition);
}
.nav-toggle:hover{
  border-color:var(--gold);
  color:var(--gold);
}

/* Hero */
.page-hero{
  min-height:76vh;
  display:flex;
  align-items:center;
  background-size:cover;
  background-position:center;
  position:relative;
  padding:160px 0 96px;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,12,14,.72) 0%,rgba(11,12,14,.55) 45%,#0B0C0E 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  max-width:760px;
  margin-left:0;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--gold);
  border:1px solid rgba(198,161,91,.35);
  background:rgba(198,161,91,.08);
  border-radius:var(--radius-pill);
  padding:6px 16px;
  margin-bottom:22px;
}
.page-hero h1{
  font-size:46px;
  font-weight:700;
  line-height:1.22;
  letter-spacing:-.5px;
  color:var(--text);
  margin-bottom:20px;
}
.page-hero h1 span{
  color:var(--gold);
}
.hero-sub{
  font-size:17px;
  line-height:1.9;
  color:var(--text-secondary);
  max-width:620px;
  margin-bottom:34px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-bottom:44px;
}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  font-size:12px;
  letter-spacing:.08em;
  color:var(--text-secondary);
}
.hero-meta i{
  width:4px;
  height:4px;
  border-radius:50%;
  background:var(--gold);
  opacity:.6;
  display:inline-block;
}
.hero-meta span{
  color:var(--text-secondary);
}

/* 指标带 */
.metric-band{
  padding:48px 0 0;
  background:var(--bg);
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  background:var(--card);
  overflow:hidden;
}
.metric-item{
  padding:36px 28px;
  text-align:center;
  position:relative;
}
.metric-item + .metric-item::before{
  content:"";
  position:absolute;
  left:0;
  top:24%;
  bottom:24%;
  width:1px;
  background:var(--border);
}
.metric-item .num{
  font-family:"Inter","DIN Alternate",sans-serif;
  font-size:42px;
  font-weight:700;
  line-height:1.1;
  color:var(--gold);
  font-variant-numeric:tabular-nums;
  margin-bottom:6px;
}
.metric-item .label{
  font-size:13px;
  color:var(--text-secondary);
  letter-spacing:.06em;
}

/* 通用板块 */
.section{
  padding:var(--section-space) 0;
}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:44px;
}
.section-title{
  font-size:34px;
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.5px;
  color:var(--text);
  position:relative;
  padding-left:20px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;
  top:8px;
  bottom:8px;
  width:4px;
  border-radius:4px;
  background:var(--gold);
}
.section-lead{
  font-size:15px;
  color:var(--text-secondary);
  max-width:520px;
  line-height:1.8;
}

/* 公告分类卡片 */
.notice-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.notice-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px 28px;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.notice-card::after{
  content:"";
  position:absolute;
  left:0;
  top:0;
  width:100%;
  height:3px;
  background:var(--gold);
  opacity:0;
  transition:var(--transition);
}
.notice-card:hover{
  transform:translateY(-4px);
  border-color:rgba(198,161,91,.4);
  box-shadow:var(--shadow-gold);
}
.notice-card:hover::after{opacity:1}
.notice-card .icon-wrap{
  width:44px;
  height:44px;
  border-radius:12px;
  background:rgba(198,161,91,.1);
  border:1px solid rgba(198,161,91,.22);
  display:flex;
  align-items:center;
  justify-content:center;
  margin-bottom:20px;
  transition:var(--transition);
}
.notice-card .icon-wrap i{
  font-size:18px;
  color:var(--gold);
  transition:var(--transition);
}
.notice-card:hover .icon-wrap{
  background:rgba(198,161,91,.16);
}
.notice-card h3{
  font-size:18px;
  font-weight:600;
  color:var(--text);
  margin-bottom:10px;
  letter-spacing:-.3px;
}
.notice-card p{
  font-size:14px;
  line-height:1.8;
  color:var(--text-secondary);
}

/* 图文板块 */
.visual-block{
  padding:0 0 var(--section-space);
}
.visual-inner{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:64px;
  align-items:center;
}
.visual-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  position:relative;
  box-shadow:0 20px 60px rgba(0,0,0,.4);
  border:1px solid var(--border);
}
.visual-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  aspect-ratio:16/10;
  transition:transform .6s ease;
}
.visual-media:hover img{
  transform:scale(1.02);
}
.visual-media::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:100%;
  height:4px;
  background:var(--gold);
}
.visual-content .eyebrow{
  margin-bottom:14px;
}
.visual-content h2{
  font-size:32px;
  font-weight:700;
  line-height:1.3;
  color:var(--text);
  margin-bottom:18px;
  letter-spacing:-.5px;
}
.visual-content p{
  font-size:15px;
  line-height:1.9;
  color:var(--text-secondary);
  margin-bottom:16px;
}
.visual-list{
  display:grid;
  gap:14px;
  margin-top:8px;
}
.visual-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15px;
  color:var(--text-secondary);
  line-height:1.7;
}
.visual-list li i{
  color:var(--gold);
  font-size:14px;
  margin-top:6px;
  flex-shrink:0;
}

/* 流程 */
.steps-section{
  background:var(--card);
  border-top:1px solid var(--border);
  border-bottom:1px solid var(--border);
}
.steps-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:48px;
  margin-top:48px;
}
.step-item{
  display:flex;
  gap:20px;
  position:relative;
}
.step-item .step-num{
  width:40px;
  height:40px;
  border-radius:50%;
  background:var(--card-2);
  border:1px solid var(--border);
  color:var(--gold);
  font-family:"Inter","DIN Alternate",sans-serif;
  font-size:16px;
  font-weight:600;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
  transition:var(--transition);
}
.step-item:hover .step-num{
  background:var(--gold);
  color:#111317;
  border-color:var(--gold);
}
.step-content h3{
  font-size:18px;
  font-weight:600;
  color:var(--text);
  margin-bottom:8px;
}
.step-content p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.8;
}

/* FAQ */
.faq-wrap{
  max-width:860px;
  margin:0 auto;
}
.faq-item{
  border-bottom:1px solid var(--border);
  padding:24px 0;
}
.faq-item:first-child{
  border-top:1px solid var(--border);
}
.faq-q{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:24px;
  cursor:pointer;
  width:100%;
  text-align:left;
  color:var(--text);
  font-size:16px;
  font-weight:600;
  line-height:1.6;
}
.faq-q i{
  color:var(--gold);
  font-size:14px;
  transition:transform .3s ease;
  flex-shrink:0;
  width:18px;
  text-align:center;
}
.faq-item.active .faq-q i{
  transform:rotate(180deg);
}
.faq-a{
  display:none;
  padding-top:14px;
  font-size:14px;
  line-height:1.9;
  color:var(--text-secondary);
  max-width:720px;
}
.faq-item.active .faq-a{
  display:block;
}
.faq-a a{
  color:var(--gold);
  text-decoration:underline;
}

/* CTA 横幅 */
.cta-banner{
  padding:0 0 var(--section-space);
}
.cta-card{
  background:
    linear-gradient(135deg,rgba(198,161,91,.12) 0%,rgba(17,19,23,.94) 50%),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat,
    var(--card);
  border:1px solid rgba(198,161,91,.22);
  border-radius:var(--radius-lg);
  padding:64px 56px;
  position:relative;
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:40px;
}
.cta-card::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:4px;
  background:var(--gold);
}
.cta-card h2{
  font-size:30px;
  font-weight:700;
  color:var(--text);
  line-height:1.3;
  margin-bottom:12px;
  letter-spacing:-.5px;
}
.cta-card p{
  font-size:15px;
  color:var(--text-secondary);
  max-width:520px;
}

/* 页脚 */
.site-footer{
  background:var(--bg);
  border-top:1px solid var(--border);
  padding:64px 0 32px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:40px;
}
.footer-brand .logo{
  margin-bottom:16px;
}
.footer-brand-text{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.8;
  max-width:380px;
}
.footer-heading{
  font-size:14px;
  font-weight:600;
  color:var(--text);
  letter-spacing:.08em;
  margin-bottom:18px;
}
.footer-links li{
  margin-bottom:10px;
}
.footer-links a{
  display:inline-flex;
  gap:8px;
  font-size:13px;
  color:var(--text-secondary);
  transition:var(--transition);
}
.footer-links a i{
  color:var(--gold);
  font-size:12px;
  margin-top:4px;
  transition:var(--transition);
}
.footer-links a:hover{
  color:var(--gold-hover);
  transform:translateX(3px);
}
.footer-contact{
  display:grid;
  gap:12px;
}
.contact-item{
  font-size:13px;
  color:var(--text-secondary);
  display:flex;
  gap:10px;
  align-items:flex-start;
}
.contact-item i{
  color:var(--gold);
  font-size:14px;
  margin-top:4px;
}
.footer-bottom{
  border-top:1px solid var(--border);
  padding-top:24px;
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--text-muted);
}

/* 底部固定转化条 */
.fixed-bar{
  position:fixed;
  left:0;
  right:0;
  bottom:0;
  z-index:90;
  height:64px;
  background:rgba(11,12,14,.92);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-top:1px solid rgba(198,161,91,.22);
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:0 28px;
  transform:translateY(110%);
  transition:transform .3s ease;
}
.fixed-bar.show{
  transform:translateY(0);
}
.fixed-text{
  font-size:14px;
  color:var(--text-secondary);
  display:flex;
  align-items:center;
  gap:10px;
}
.fixed-text i{
  color:var(--gold);
  font-size:15px;
}
.fixed-actions{
  display:flex;
  align-items:center;
  gap:12px;
}
.fixed-close{
  width:32px;
  height:32px;
  border-radius:50%;
  border:1px solid var(--border);
  color:var(--text-secondary);
  font-size:13px;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
}
.fixed-close:hover{
  border-color:var(--gold);
  color:var(--gold);
}

/* 响应式 */
@media(max-width:1024px){
  :root{--section-space:90px}
  .page-hero h1{font-size:42px}
  .section-title{font-size:30px}
  .visual-inner{gap:40px}
  .footer-grid{gap:32px}
  .metric-item .num{font-size:34px}
  .notice-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
  .site-header{top:10px;padding:0 12px}
  .nav-card{height:64px;padding:0 14px;border-radius:14px}
  .logo-text{font-size:17px}
  .logo-badge{display:none}
  .nav-links{
    order:3;
    margin:0;
    flex:1;
    justify-content:flex-start;
    overflow-x:auto;
    -webkit-overflow-scrolling:touch;
    scrollbar-width:none;
    padding:6px 0;
  }
  .nav-links::-webkit-scrollbar{display:none}
  .nav-link{
    height:38px;
    padding:0 13px;
    font-size:13px;
    flex-shrink:0;
  }
  .nav-cta{
    order:2;
    margin-left:8px;
  }
  .nav-cta .btn-primary{
    padding:0 16px;
    height:38px;
    font-size:13px;
  }
  .nav-toggle{display:none}
  .page-hero{
    min-height:auto;
    padding:140px 0 72px;
  }
  .page-hero h1{font-size:32px}
  .hero-sub{font-size:15px}
  .hero-meta{flex-wrap:wrap;gap:8px}
  .metric-grid{
    grid-template-columns:repeat(2,1fr);
    border:none;
    gap:0;
    background:transparent;
  }
  .metric-item{
    background:var(--card);
    border:1px solid var(--border);
    border-radius:12px;
    margin:6px;
  }
  .metric-item + .metric-item::before{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:32px}
  .section-title{font-size:26px;padding-left:16px}
  .visual-inner{grid-template-columns:1fr;gap:32px}
  .steps-grid{grid-template-columns:1fr;gap:32px;margin-top:32px}
  .footer-grid{grid-template-columns:1fr;gap:36px}
  .footer-bottom{flex-direction:column}
  .cta-card{
    flex-direction:column;
    align-items:flex-start;
    padding:40px 28px;
  }
  .fixed-bar{
    height:auto;
    min-height:64px;
    padding:12px 16px;
    flex-direction:column;
    gap:8px;
    align-items:flex-start;
  }
  .fixed-text{font-size:13px}
  .fixed-actions{width:100%;justify-content:flex-end}
  .notice-grid{grid-template-columns:1fr;gap:16px}
}
@media(max-width:520px){
  :root{--section-space:64px}
  .container{padding:0 18px}
  .page-hero h1{font-size:26px}
  .hero-actions .btn-primary,.hero-actions .btn-ghost{width:100%}
  .metric-item .num{font-size:30px}
  .visual-content h2{font-size:24px}
  .notice-card{padding:24px 20px}
  .cta-card{padding:32px 22px}
  .cta-card h2{font-size:22px}
  .footer-grid{gap:28px}
  .steps-grid{grid-template-columns:1fr}
}

/* roulang page: article */
:root {
  --bg-dark: #0B0C0E;
  --bg-card: #111317;
  --bg-light: #F7F5F1;
  --bg-white: #FFFFFF;
  --gold: #C6A15B;
  --gold-hover: #E3C88E;
  --gold-dark: #A8894B;
  --text-primary: #F5F2EC;
  --text-secondary: #9A968E;
  --text-muted: #6F6B64;
  --border-dark: #24272C;
  --border-light: #E6E1D8;
  --radius-lg: 16px;
  --radius-md: 10px;
  --radius-pill: 999px;
  --shadow-gold: 0 6px 24px rgba(198,161,91,0.18);
  --shadow-card: 0 2px 8px rgba(17,19,23,0.04);
  --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
  --font-en: "Inter", "DIN Alternate", sans-serif;
  --container: 1280px;
  --section-gap: 96px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-cn);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
  background: var(--bg-dark);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; font-family: var(--font-cn); }
body, .container, .nav-card, .site-footer { font-family: var(--font-cn); }

/* ===== Header Nav ===== */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 16px 24px 0;
}
.nav-card {
  max-width: var(--container);
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  background: rgba(11,12,14,0.86);
  -webkit-backdrop-filter: blur(16px);
  backdrop-filter: blur(16px);
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-lg);
  height: 72px;
  padding: 0 24px;
  transition: border-color 0.3s ease;
}
.site-header.scrolled .nav-card { border-top-color: rgba(198,161,91,0.3); }
.logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.logo-text {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
  font-family: var(--font-en);
}
.logo-badge {
  font-size: 11px;
  font-weight: 600;
  color: var(--gold);
  border: 1px solid rgba(198,161,91,0.6);
  border-radius: var(--radius-pill);
  padding: 2px 10px;
  letter-spacing: 0.08em;
  white-space: nowrap;
}
.nav-links { display: flex; align-items: center; gap: 8px; }
.nav-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.25s ease;
  position: relative;
  white-space: nowrap;
}
.nav-link i { font-size: 14px; }
.nav-link:hover { color: var(--text-primary); background: rgba(198,161,91,0.08); }
.nav-link.active { color: var(--gold); }
.nav-link.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 20px;
  height: 2px;
  background: var(--gold);
  border-radius: 2px;
}
.nav-cta { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.nav-toggle { display: none; width: 40px; height: 40px; border-radius: 10px; background: rgba(198,161,91,0.12); align-items: center; justify-content: center; color: var(--gold); font-size: 16px; transition: all 0.25s ease; }
.nav-toggle:hover { background: rgba(198,161,91,0.22); }

/* ===== Buttons ===== */
.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 46px;
  padding: 0 28px;
  border-radius: var(--radius-md);
  background: var(--gold);
  color: #111317;
  font-size: 15px;
  font-weight: 600;
  border: 1px solid transparent;
  transition: all 0.25s ease;
  cursor: pointer;
  line-height: 1;
}
.btn-primary:hover { background: var(--gold-hover); box-shadow: var(--shadow-gold); }
.btn-primary:active { background: var(--gold-dark); transform: translateY(1px); }
.btn-sm { height: 40px; padding: 0 20px; font-size: 14px; border-radius: var(--radius-md); }
.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 46px;
  padding: 0 28px;
  border-radius: var(--radius-md);
  border: 1px solid #4A4D54;
  background: transparent;
  color: #D8D4CD;
  font-size: 15px;
  font-weight: 500;
  transition: all 0.25s ease;
  cursor: pointer;
}
.btn-ghost:hover { border-color: var(--gold); color: var(--gold); }

/* ===== Article Main ===== */
.article-main {
  padding-top: 120px;
  padding-bottom: 80px;
  background: var(--bg-dark);
  min-height: calc(100vh - 300px);
}
.container-narrow { max-width: 860px; }
.breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 32px;
  padding: 12px 16px;
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: 10px;
}
.breadcrumb a { color: var(--text-secondary); transition: color 0.2s; }
.breadcrumb a:hover { color: var(--gold); }
.breadcrumb .sep { color: var(--text-muted); }
.breadcrumb .current { color: var(--text-secondary); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; max-width: 300px; }

.article-title {
  font-size: 34px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--text-primary);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}
.article-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 13px;
  color: var(--text-secondary);
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-dark);
  margin-bottom: 32px;
}
.meta-dot { color: var(--text-muted); }

.article-content {
  font-size: 16px;
  line-height: 2.0;
  color: #D8D4CD;
}
.article-content > * { margin-bottom: 1.5em; }
.article-content h2 {
  font-size: 28px;
  font-weight: 700;
  color: var(--text-primary);
  padding-left: 16px;
  border-left: 3px solid var(--gold);
  margin: 40px 0 20px;
  line-height: 1.4;
}
.article-content h3 {
  font-size: 22px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 32px 0 16px;
  line-height: 1.4;
}
.article-content p { color: #D8D4CD; }
.article-content a { color: var(--gold); text-decoration: underline; text-underline-offset: 4px; text-decoration-color: rgba(198,161,91,0.4); transition: all 0.2s; }
.article-content a:hover { color: var(--gold-hover); text-decoration-color: var(--gold); }
.article-content img { width: 100%; border-radius: 12px; margin: 24px 0; }
.article-content blockquote {
  background: rgba(198,161,91,0.08);
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
  padding: 20px 24px;
  margin: 24px 0;
  color: #D8D4CD;
}
.article-content blockquote p:last-child { margin-bottom: 0; }
.article-content ul, .article-content ol { margin: 16px 0 24px; padding-left: 1.5em; color: #D8D4CD; }
.article-content li { margin-bottom: 8px; }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; font-size: 14px; }
.article-content th, .article-content td { padding: 12px 14px; border: 1px solid var(--border-dark); text-align: left; }
.article-content th { background: var(--bg-card); color: var(--text-primary); font-weight: 600; }

/* ===== Tags ===== */
.article-tags { display: flex; flex-wrap: wrap; gap: 10px; margin-top: 40px; padding-top: 24px; border-top: 1px solid var(--border-dark); }
.tag {
  display: inline-flex;
  align-items: center;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  background: rgba(198,161,91,0.1);
  border: 1px solid rgba(198,161,91,0.2);
  color: var(--gold);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.02em;
  transition: all 0.25s ease;
}
.tag:hover { background: rgba(198,161,91,0.18); }

/* ===== Related ===== */
.related-section { margin-top: 56px; }
.related-title {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 24px;
  padding-left: 16px;
  border-left: 3px solid var(--gold);
  font-family: var(--font-cn);
}
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; }
.related-card {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--bg-card);
  border: 1px solid var(--border-dark);
  border-radius: 12px;
  padding: 10px;
  transition: all 0.3s ease;
}
.related-card:hover { border-color: rgba(198,161,91,0.4); transform: translateY(-3px); box-shadow: var(--shadow-gold); }
.related-card-cover { width: 100px; height: 64px; border-radius: 8px; overflow: hidden; flex-shrink: 0; }
.related-card-cover img { width: 100%; height: 100%; object-fit: cover; }
.related-card-body { display: flex; flex-direction: column; gap: 4px; min-width: 0; }
.related-card-body h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-date { font-size: 12px; color: var(--text-muted); }

/* ===== Back Link ===== */
.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 40px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  transition: all 0.25s ease;
  padding: 10px 20px;
  border: 1px solid var(--border-dark);
  border-radius: var(--radius-md);
  background: var(--bg-card);
}
.back-link:hover { color: var(--gold); border-color: rgba(198,161,91,0.4); transform: translateX(-4px); }

/* ===== Not Found ===== */
.not-found { text-align: center; padding: 80px 24px; border: 1px dashed var(--border-dark); border-radius: var(--radius-lg); background: var(--bg-card); }
.not-found i { font-size: 48px; color: var(--text-muted); margin-bottom: 20px; display: block; }
.not-found p { font-size: 20px; color: var(--text-secondary); margin-bottom: 24px; }
.not-found .btn-primary { display: inline-flex; }

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-dark);
  border-top: 1px solid var(--border-dark);
  padding: 60px 0 100px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr;
  gap: 48px;
}
.footer-brand-text { font-size: 13px; color: var(--text-secondary); margin-top: 16px; line-height: 1.8; max-width: 360px; }
.footer-heading { font-size: 15px; font-weight: 600; color: var(--text-primary); margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { font-size: 13px; color: var(--text-secondary); transition: color 0.2s; display: inline-flex; align-items: center; gap: 6px; }
.footer-links a i { font-size: 12px; color: var(--gold); }
.footer-links a:hover { color: var(--gold); }
.footer-contact { display: flex; flex-direction: column; gap: 12px; }
.contact-item { font-size: 13px; color: var(--text-secondary); display: flex; align-items: center; gap: 8px; }
.contact-item i { color: var(--gold); font-size: 13px; }
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  border-top: 1px solid var(--border-dark);
  margin-top: 48px;
  padding-top: 24px;
  font-size: 13px;
  color: var(--text-muted);
}

/* ===== Bottom Bar ===== */
.bottom-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  z-index: 99;
  background: rgba(11,12,14,0.92);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border-dark);
  height: 64px;
  transform: translateY(110%);
  transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}
.bottom-bar.visible { transform: translateY(0); }
.bottom-bar-inner {
  max-width: var(--container);
  margin: 0 auto;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 0 24px;
}
.bottom-bar-text { font-size: 14px; color: var(--text-primary); }
.bottom-bar-close {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
  color: var(--text-secondary);
  font-size: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s;
  flex-shrink: 0;
}
.bottom-bar-close:hover { background: rgba(198,161,91,0.2); color: var(--gold); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
  .nav-link { padding: 10px 12px; font-size: 13px; }
}
@media (max-width: 768px) {
  .site-header { padding: 12px 12px 0; }
  .nav-card { flex-wrap: wrap; height: auto; padding: 12px 16px; gap: 8px; border-radius: 14px; }
  .logo { order: 1; }
  .nav-cta { order: 3; }
  .nav-toggle { display: inline-flex; }
  .nav-links {
    order: 4;
    width: 100%;
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
    gap: 6px;
    padding-top: 8px;
    scrollbar-width: none;
  }
  .nav-links::-webkit-scrollbar { display: none; }
  .nav-link { padding: 8px 14px; font-size: 13px; white-space: nowrap; }
  .nav-link.active::after { display: none; }
  .nav-links.open { flex-direction: column; align-items: stretch; overflow: visible; }
  .nav-links.open .nav-link { justify-content: flex-start; }
  .article-main { padding-top: 110px; padding-bottom: 60px; }
  .article-title { font-size: 26px; }
  .article-content { font-size: 15px; }
  .article-content h2 { font-size: 22px; }
  .article-content h3 { font-size: 19px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .bottom-bar { height: auto; padding: 10px 0; }
  .bottom-bar-inner { flex-wrap: wrap; height: auto; padding: 0 16px; gap: 8px; }
  .bottom-bar-text { font-size: 13px; }
  .section-gap { padding: 60px 0; }
}
@media (max-width: 480px) {
  .nav-card { padding: 10px 12px; }
  .logo-text { font-size: 19px; }
  .logo-badge { font-size: 10px; padding: 1px 8px; }
  .btn-sm { padding: 0 14px; font-size: 13px; height: 36px; }
  .article-main { padding-top: 100px; }
  .container { padding: 0 16px; }
  .breadcrumb { font-size: 12px; padding: 10px 12px; }
  .article-title { font-size: 22px; }
  .article-meta { font-size: 12px; }
  .article-content { font-size: 14px; line-height: 1.9; }
  .related-card-cover { width: 80px; height: 56px; }
  .footer-bottom span { font-size: 11px; }
}

/* ===== Focus ===== */
a:focus-visible, button:focus-visible {
  outline: 2px solid var(--gold);
  outline-offset: 2px;
  border-radius: 4px;
}
.btn-primary:focus-visible { outline: 2px solid var(--gold-hover); outline-offset: 3px; }

/* ===== Utility ===== */
.mt-8 { margin-top: 8px; }
.text-gold { color: var(--gold); }

/* roulang page: category2 */
:root {
    --bg-dark: #0B0C0E;
    --bg-card: #111317;
    --bg-light: #F7F5F1;
    --bg-white: #FFFFFF;
    --gold: #C6A15B;
    --gold-hover: #E3C88E;
    --gold-active: #A8894B;
    --text-main: #F5F2EC;
    --text-secondary: #9A968E;
    --text-muted: #6F6B64;
    --border-dark: #24272C;
    --border-light: #E6E1D8;
    --font-cn: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
    --font-num: "Inter", "DIN Alternate", sans-serif;
    --radius-lg: 16px;
    --radius-md: 10px;
    --radius-pill: 999px;
    --shadow-gold: 0 6px 24px rgba(198, 161, 91, 0.18);
    --max-width: 1280px;
    --space-section: 104px;
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-cn);
    background-color: var(--bg-dark);
    color: var(--text-main);
    line-height: 1.75;
    font-size: 16px;
    -webkit-font-smoothing: antialiased;
}

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

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

ul {
    list-style: none;
}

button {
    font-family: inherit;
    border: none;
    background: none;
    cursor: pointer;
}

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

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

.section-head {
    margin-bottom: 48px;
}

.section-head h2 {
    font-size: 34px;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.3;
    position: relative;
    padding-left: 20px;
}

.section-head h2::before {
    content: "";
    position: absolute;
    left: 0;
    top: 6px;
    width: 4px;
    height: 24px;
    background: var(--gold);
    border-radius: 2px;
}

.section-head p {
    color: var(--text-secondary);
    font-size: 15px;
    margin-top: 10px;
    padding-left: 20px;
}

.section-light {
    background: var(--bg-light);
    color: #1A1B1E;
}

.section-light .section-head p {
    color: #6F6B64;
}

.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 46px;
    padding: 0 28px;
    border-radius: var(--radius-md);
    font-size: 15px;
    font-weight: 600;
    letter-spacing: 0.02em;
    transition: all 0.25s ease;
    white-space: nowrap;
}

.btn-primary {
    background: var(--gold);
    color: #111317;
}

.btn-primary:hover {
    background: var(--gold-hover);
    box-shadow: var(--shadow-gold);
    transform: translateY(-2px);
}

.btn-primary:active {
    background: var(--gold-active);
    transform: translateY(0);
}

.btn-ghost {
    background: transparent;
    border: 1px solid #4A4D54;
    color: #D8D4CD;
}

.btn-ghost:hover {
    border-color: var(--gold);
    color: var(--gold-hover);
}

.btn-sm {
    height: 40px;
    padding: 0 24px;
    font-size: 14px;
}

/* Header / Nav */
.site-header {
    position: fixed;
    top: 16px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1000;
    width: calc(100% - 48px);
    max-width: var(--max-width);
}

.nav-card {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    padding: 0 20px 0 24px;
    background: rgba(11, 12, 14, 0.86);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(36, 39, 44, 0.8);
    border-radius: var(--radius-lg);
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled .nav-card {
    border-top-color: rgba(198, 161, 91, 0.35);
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.45);
}

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

.logo-text {
    font-family: var(--font-num);
    font-size: 22px;
    font-weight: 700;
    letter-spacing: 0.5px;
    color: var(--text-main);
}

.logo-badge {
    font-size: 11px;
    font-weight: 500;
    letter-spacing: 0.08em;
    color: var(--gold);
    border: 1px solid var(--gold);
    border-radius: var(--radius-pill);
    padding: 2px 10px;
    line-height: 1.6;
    white-space: nowrap;
}

.nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    flex: 1;
    justify-content: center;
    padding: 0 16px;
    overflow-x: auto;
    scrollbar-width: none;
}

.nav-links::-webkit-scrollbar {
    display: none;
}

.nav-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    height: 44px;
    padding: 0 18px;
    border-radius: var(--radius-pill);
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    transition: all 0.25s ease;
    position: relative;
    white-space: nowrap;
}

.nav-link i {
    font-size: 15px;
    color: var(--text-muted);
    transition: color 0.25s ease;
}

.nav-link:hover {
    background: rgba(198, 161, 91, 0.08);
    color: var(--text-main);
}

.nav-link:hover i {
    color: var(--gold);
}

.nav-link.active {
    color: var(--gold);
    background: rgba(198, 161, 91, 0.06);
}

.nav-link.active i {
    color: var(--gold);
}

.nav-link.active::after {
    content: "";
    position: absolute;
    bottom: 4px;
    left: 50%;
    transform: translateX(-50%);
    width: 20px;
    height: 2px;
    background: var(--gold);
    border-radius: 1px;
}

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

.nav-toggle {
    display: none;
    width: 40px;
    height: 40px;
    align-items: center;
    justify-content: center;
    border-radius: var(--radius-md);
    border: 1px solid var(--border-dark);
    color: var(--text-main);
    font-size: 18px;
    background: transparent;
    transition: all 0.25s ease;
}

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

/* Hero */
.page-hero {
    position: relative;
    min-height: 88vh;
    display: flex;
    align-items: center;
    padding-top: 140px;
    padding-bottom: 80px;
    overflow: hidden;
    background: var(--bg-dark);
}

.page-hero-bg {
    position: absolute;
    inset: 0;
    background-image: url("/assets/images/backpic/back-1.webp");
    background-size: cover;
    background-position: center;
    z-index: 0;
}

.page-hero-bg::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, rgba(11, 12, 14, 0.4) 0%, var(--bg-dark) 100%);
}

.hero-content {
    position: relative;
    z-index: 1;
    max-width: 760px;
    animation: heroFade 0.6s ease both;
}

.hero-content h1 {
    font-size: 52px;
    line-height: 1.2;
    font-weight: 700;
    letter-spacing: -0.5px;
    margin-bottom: 24px;
    color: var(--text-main);
}

.hero-content h1 .brand {
    color: var(--gold);
}

.hero-desc {
    font-size: 16px;
    line-height: 1.9;
    color: var(--text-secondary);
    max-width: 640px;
    margin-bottom: 36px;
}

.hero-desc p {
    margin-bottom: 12px;
}

.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
    margin-bottom: 44px;
}

.hero-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    border-top: 1px solid rgba(255, 255, 255, 0.08);
    padding-top: 24px;
    max-width: 640px;
}

.hero-tags span {
    font-size: 13px;
    color: var(--text-muted);
    padding-right: 20px;
    margin-right: 16px;
    letter-spacing: 0.04em;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
    line-height: 1.4;
    font-family: var(--font-num);
}

.hero-tags span:last-child {
    border-right: none;
    margin-right: 0;
    padding-right: 0;
}

@keyframes heroFade {
    from {
        opacity: 0;
        transform: translateY(12px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Steps */
.steps {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
    counter-reset: step;
}

.step-item {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 32px;
    transition: all 0.3s ease;
    position: relative;
}

.step-item:hover {
    transform: translateY(-4px);
    border-color: rgba(198, 161, 91, 0.4);
    box-shadow: var(--shadow-gold);
}

.step-num {
    width: 36px;
    height: 36px;
    border-radius: 50%;
    background: var(--bg-dark);
    border: 1px solid var(--border-dark);
    color: var(--gold);
    font-family: var(--font-num);
    font-size: 15px;
    font-weight: 600;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
    transition: all 0.3s ease;
}

.step-item:hover .step-num {
    background: var(--gold);
    color: #111317;
    border-color: var(--gold);
}

.step-content h3 {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--text-main);
    letter-spacing: -0.3px;
}

.step-content p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
}

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

.guide-card {
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    overflow: hidden;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
}

.guide-card:hover {
    transform: translateY(-4px);
    border-color: rgba(198, 161, 91, 0.4);
    box-shadow: var(--shadow-gold);
}

.card-cover {
    width: 100%;
    aspect-ratio: 16 / 9;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.guide-card:hover .card-cover {
    transform: scale(1.02);
}

.card-body {
    padding: 28px 28px 30px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.card-tag {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 12px;
    color: var(--gold);
    background: rgba(198, 161, 91, 0.08);
    border-radius: var(--radius-pill);
    padding: 4px 14px;
    margin-bottom: 16px;
    align-self: flex-start;
    letter-spacing: 0.04em;
}

.card-tag i {
    font-size: 11px;
}

.card-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--text-main);
    line-height: 1.5;
    margin-bottom: 12px;
    letter-spacing: -0.3px;
}

.card-text {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
    flex: 1;
}

.card-link {
    font-size: 14px;
    font-weight: 500;
    color: var(--gold);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: gap 0.25s ease;
}

.card-link i {
    font-size: 13px;
    transition: transform 0.25s ease;
}

.guide-card:hover .card-link i {
    transform: translateX(4px);
}

/* Feature */
.feature-row {
    display: grid;
    grid-template-columns: 1.2fr 1fr;
    gap: 64px;
    align-items: center;
    margin-bottom: 96px;
}

.feature-row:last-child {
    margin-bottom: 0;
}

.feature-row.reverse .feature-media {
    order: 2;
}

.feature-media {
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-dark);
    position: relative;
}

.feature-media::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    height: 4px;
    background: var(--gold);
}

.feature-media img {
    width: 100%;
    aspect-ratio: 4 / 3;
    object-fit: cover;
    transition: transform 0.4s ease;
}

.feature-row:hover .feature-media img {
    transform: scale(1.02);
}

.feature-content h2 {
    font-size: 30px;
    font-weight: 700;
    letter-spacing: -0.5px;
    line-height: 1.3;
    margin-bottom: 20px;
}

.feature-content h2::before {
    content: "";
    display: block;
    width: 40px;
    height: 3px;
    background: var(--gold);
    border-radius: 2px;
    margin-bottom: 16px;
}

.feature-content p {
    font-size: 15px;
    color: var(--text-secondary);
    line-height: 1.9;
    margin-bottom: 24px;
}

.feature-list {
    display: grid;
    gap: 12px;
}

.feature-list li {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    font-size: 15px;
    color: var(--text-main);
    line-height: 1.7;
}

.feature-list li i {
    color: var(--gold);
    font-size: 14px;
    margin-top: 4px;
}

/* Stats */
.stats-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 32px;
    background: var(--bg-card);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 48px 56px;
}

.stats-item {
    text-align: center;
    flex: 1;
    position: relative;
}

.stats-item + .stats-item::before {
    content: "";
    position: absolute;
    left: -16px;
    top: 50%;
    transform: translateY(-50%);
    width: 1px;
    height: 48px;
    background: var(--border-dark);
}

.stats-num {
    font-family: var(--font-num);
    font-size: 48px;
    font-weight: 700;
    color: var(--gold);
    line-height: 1.2;
    font-variant-numeric: tabular-nums;
    letter-spacing: -1px;
}

.stats-label {
    display: block;
    font-size: 14px;
    color: var(--text-secondary);
    margin-top: 8px;
}

/* FAQ */
.faq-list {
    max-width: 860px;
    margin: 0 auto;
}

.faq-item {
    border-bottom: 1px solid var(--border-dark);
}

.faq-item:first-child {
    border-top: 1px solid var(--border-dark);
}

.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 24px 8px;
    font-size: 16px;
    font-weight: 500;
    color: var(--text-main);
    text-align: left;
    transition: color 0.25s ease;
    gap: 16px;
}

.faq-question:hover {
    color: var(--gold);
}

.faq-icon {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    border: 1px solid var(--border-dark);
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    transition: all 0.3s ease;
}

.faq-icon i {
    font-size: 12px;
    color: var(--gold);
    transition: transform 0.3s ease;
}

.faq-item.open .faq-icon {
    background: var(--gold);
    border-color: var(--gold);
}

.faq-item.open .faq-icon i {
    transform: rotate(45deg);
    color: #111317;
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.35s ease, padding 0.35s ease;
    padding: 0 8px 0 32px;
}

.faq-answer p {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.9;
    padding-bottom: 24px;
}

/* CTA Banner */
.cta-banner {
    background: linear-gradient(135deg, #16181C 0%, #1E2A22 60%, #232523 100%);
    border: 1px solid var(--border-dark);
    border-radius: var(--radius-lg);
    padding: 64px 56px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.cta-banner::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, var(--gold), transparent);
}

.cta-banner h2 {
    font-size: 30px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 14px;
    letter-spacing: -0.5px;
}

.cta-banner p {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    max-width: 480px;
    margin-left: auto;
    margin-right: auto;
}

/* Footer */
.site-footer {
    background: var(--bg-dark);
    border-top: 1px solid var(--border-dark);
    padding: 72px 0 32px;
    margin-top: var(--space-section);
}

.footer-grid {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 48px;
}

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

.footer-brand-text {
    font-size: 13px;
    color: var(--text-muted);
    line-height: 1.9;
    max-width: 360px;
}

.footer-heading {
    font-size: 15px;
    font-weight: 600;
    color: var(--text-main);
    margin-bottom: 18px;
}

.footer-links {
    display: grid;
    gap: 10px;
}

.footer-links a {
    font-size: 13px;
    color: var(--text-secondary);
    display: inline-flex;
    align-items: center;
    gap: 6px;
    transition: color 0.25s ease;
}

.footer-links a i {
    font-size: 11px;
    color: var(--text-muted);
    transition: color 0.25s ease;
}

.footer-links a:hover {
    color: var(--gold);
}

.footer-links a:hover i {
    color: var(--gold);
}

.footer-contact {
    display: grid;
    gap: 12px;
}

.contact-item {
    font-size: 13px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
}

.contact-item i {
    color: var(--gold);
    font-size: 14px;
    width: 16px;
    text-align: center;
}

.footer-bottom {
    border-top: 1px solid var(--border-dark);
    padding-top: 24px;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
    font-size: 12px;
    color: var(--text-muted);
}

/* Float Bar */
.float-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(11, 12, 14, 0.92);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border-top: 1px solid var(--border-dark);
    z-index: 900;
    transform: translateY(100%);
    transition: transform 0.3s ease;
}

.float-bar.visible {
    transform: translateY(0);
}

.float-bar.hidden {
    display: none;
}

.float-bar-inner {
    max-width: var(--max-width);
    margin: 0 auto;
    padding: 12px 24px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    min-height: 64px;
}

.float-text {
    font-size: 14px;
    color: var(--text-main);
    display: flex;
    align-items: center;
    gap: 8px;
}

.float-text i {
    color: var(--gold);
    font-size: 15px;
}

.float-actions {
    display: flex;
    align-items: center;
    gap: 8px;
}

.float-close {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    border: 1px solid var(--border-dark);
    color: var(--text-muted);
    font-size: 13px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.25s ease;
}

.float-close:hover {
    border-color: var(--gold);
    color: var(--gold);
}

/* Responsive */
@media (max-width: 1024px) {
    :root {
        --space-section: 80px;
    }

    .nav-link {
        padding: 0 14px;
    }

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

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

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

    .feature-row.reverse .feature-media {
        order: 0;
    }

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

    .stats-bar {
        padding: 40px 24px;
        flex-wrap: wrap;
    }

    .stats-item {
        min-width: 160px;
    }
}

@media (max-width: 768px) {
    :root {
        --space-section: 64px;
    }

    .site-header {
        width: calc(100% - 24px);
        top: 12px;
    }

    .nav-card {
        height: 64px;
        padding: 0 12px 0 16px;
    }

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

    .logo-badge {
        font-size: 10px;
        padding: 2px 6px;
    }

    .nav-links {
        justify-content: flex-start;
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--bg-card);
        border: 1px solid var(--border-dark);
        border-radius: var(--radius-lg);
        padding: 12px;
        flex-direction: row;
        overflow-x: auto;
        display: none;
        box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
    }

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

    .nav-link {
        flex-shrink: 0;
        height: 40px;
        padding: 0 16px;
        font-size: 13px;
    }

    .nav-cta .btn-primary {
        display: none;
    }

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

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

    .hero-desc {
        font-size: 15px;
    }

    .hero-tags {
        gap: 8px 0;
    }

    .hero-tags span {
        font-size: 12px;
        padding-right: 12px;
        margin-right: 8px;
    }

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

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

    .section-head h2 {
        font-size: 26px;
        padding-left: 16px;
    }

    .section-head h2::before {
        width: 3px;
        height: 20px;
    }

    .cta-banner {
        padding: 48px 24px;
    }

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

    .stats-bar {
        gap: 24px;
        padding: 32px 20px;
    }

    .stats-item {
        min-width: 130px;
    }

    .stats-item + .stats-item::before {
        left: -12px;
    }

    .stats-num {
        font-size: 36px;
    }

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

    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }

    .float-bar-inner {
        flex-direction: column;
        padding: 16px 20px;
        gap: 12px;
    }

    .float-text {
        font-size: 13px;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .hero-content h1 {
        font-size: 30px;
    }

    .hero-actions {
        flex-direction: column;
        width: 100%;
    }

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

    .hero-tags span {
        font-size: 11px;
    }

    .card-body {
        padding: 20px;
    }

    .card-title {
        font-size: 17px;
    }

    .stats-bar {
        justify-content: center;
    }

    .faq-question {
        font-size: 15px;
        padding: 20px 4px;
    }

    .faq-answer {
        padding-left: 4px;
    }

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