:root {
  --bg: #101513;
  --surface: #18201d;
  --surface-2: #202b27;
  --text: #f2efe6;
  --muted: #b8c0b7;
  --line: rgba(234, 196, 125, .22);
  --gold: #eac47d;
  --green: #4fb477;
  --red: #d85d57;
  --shadow: 0 20px 60px rgba(0, 0, 0, .28);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
  line-height: 1.75;
}
a { color: inherit; }
.site-header {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  gap: 24px;
  min-height: 72px;
  padding: 12px clamp(16px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: rgba(16, 21, 19, .92);
  backdrop-filter: blur(16px);
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  min-width: 210px;
  text-decoration: none;
}
.brand-mark {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 1px solid var(--gold);
  border-radius: 8px;
  color: var(--bg);
  background: var(--gold);
  font-weight: 900;
}
.brand strong, .brand small { display: block; }
.brand small { color: var(--muted); font-size: 12px; line-height: 1.2; }
.site-nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 4px;
  flex-wrap: wrap;
  width: 100%;
}
.site-nav a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 14px;
  line-height: 1.2;
}
.site-nav a:hover, .site-nav a.active {
  color: var(--text);
  background: rgba(234, 196, 125, .12);
}
.nav-toggle { display: none; }
.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.4fr) minmax(280px, .6fr);
  gap: 32px;
  align-items: end;
  min-height: 560px;
  padding: clamp(64px, 9vw, 120px) clamp(18px, 6vw, 80px) 48px;
  background:
    linear-gradient(120deg, rgba(16, 21, 19, .68), rgba(16, 21, 19, .92)),
    radial-gradient(circle at 16% 24%, rgba(79, 180, 119, .32), transparent 34%),
    radial-gradient(circle at 76% 18%, rgba(216, 93, 87, .22), transparent 32%),
    linear-gradient(135deg, #18201d, #101513);
}
.hero-copy { max-width: 900px; }
.eyebrow {
  margin: 0 0 12px;
  color: var(--gold);
  font-weight: 800;
  letter-spacing: 0;
}
h1, h2, h3, p { margin-top: 0; }
h1 {
  max-width: 980px;
  margin-bottom: 18px;
  font-size: clamp(34px, 5.2vw, 60px);
  line-height: 1.12;
  letter-spacing: 0;
}
.lead {
  max-width: 800px;
  color: var(--muted);
  font-size: clamp(18px, 2vw, 22px);
}
.hero-actions, .modal-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}
.hero-panel, .note-box {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: rgba(24, 32, 29, .76);
  box-shadow: var(--shadow);
}
.panel-kicker { color: var(--green); font-weight: 800; }
.hero-panel ol { padding-left: 20px; margin-bottom: 0; color: var(--muted); }
.container {
  width: min(1180px, calc(100% - 36px));
  margin: 0 auto;
}
.section { padding: 72px 0; border-top: 1px solid var(--line); }
.section-head {
  display: flex;
  justify-content: space-between;
  align-items: end;
  gap: 24px;
  margin-bottom: 26px;
}
.section-head h2 { max-width: 760px; font-size: clamp(28px, 4vw, 46px); line-height: 1.15; }
.card-grid, .pricing-grid, .library-grid, .benefit-list {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 16px;
}
.card, .price-card, .locked-card, .benefit-list article, .article-list article, .update-strip article {
  min-height: 100%;
  padding: 22px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
}
.card:hover { border-color: var(--gold); transform: translateY(-2px); }
.pill {
  display: inline-flex;
  margin-bottom: 12px;
  padding: 3px 9px;
  border-radius: 999px;
  color: var(--bg);
  background: var(--gold);
  font-size: 12px;
  font-weight: 900;
}
.card h3, .price-card h3, .locked-card h3 { font-size: 22px; margin-bottom: 8px; }
.card p, .price-card p, .locked-card p, .benefit-list p, .article-list p, .update-strip p { color: var(--muted); }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 10px 16px;
  border: 1px solid var(--gold);
  border-radius: 8px;
  font: inherit;
  font-weight: 800;
  text-decoration: none;
  cursor: pointer;
}
.btn.primary { color: var(--bg); background: var(--gold); }
.btn.secondary { color: var(--gold); background: transparent; }
.text-link { color: var(--gold); font-weight: 800; text-decoration-thickness: 1px; }
.featured { background: linear-gradient(180deg, rgba(234, 196, 125, .12), var(--surface)); border-color: rgba(234, 196, 125, .5); }
.update-strip { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 16px; }
.update-strip span { color: var(--green); font-weight: 900; }
.center { text-align: center; margin-top: 24px; }
.summary-box, .faq-list article {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}
.summary-box p, .summary-box li, .faq-list p { color: var(--muted); }
.summary-box strong { color: var(--text); }
.summary-box ul { margin: 14px 0 0; padding-left: 20px; }
.faq-list { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 16px; }
.faq-list h3 { margin-bottom: 8px; font-size: 20px; }
.article-list { display: grid; gap: 16px; }
.article-list article h2 { font-size: clamp(24px, 3vw, 34px); }
.prose {
  width: min(840px, 100%);
  margin: 0 auto;
  padding: 64px 0;
}
.prose section, .paywall-preview {
  padding: 30px 0;
  border-bottom: 1px solid var(--line);
}
.prose h2 { font-size: clamp(26px, 4vw, 38px); }
.prose p { color: var(--muted); font-size: 18px; }
.related-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 18px;
  align-items: center;
}
.paywall-preview {
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--surface-2);
}
.lockline {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  color: var(--gold);
  font-weight: 800;
}
.member-modal {
  width: min(560px, calc(100% - 32px));
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--surface);
}
.member-modal::backdrop { background: rgba(0, 0, 0, .72); }
.modal-close { float: right; color: var(--muted); background: transparent; border: 0; cursor: pointer; }
.member-modal input {
  min-height: 44px;
  min-width: 220px;
  padding: 10px 12px;
  border: 1px solid var(--line);
  border-radius: 8px;
  color: var(--text);
  background: var(--bg);
}
.modal-message { color: var(--green); font-weight: 800; }
.site-footer {
  padding: 40px clamp(18px, 6vw, 80px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  background: #0b0f0d;
}
.site-footer a { margin-right: 16px; color: var(--gold); }
@media (max-width: 900px) {
  .site-header { align-items: flex-start; }
  .nav-toggle { display: inline-flex; margin-left: auto; padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px; color: var(--gold); background: transparent; }
  .site-nav { display: none; flex-basis: 100%; justify-content: flex-start; }
  .site-nav.open { display: flex; }
  .hero { grid-template-columns: 1fr; min-height: auto; }
  .section-head { display: block; }
  .card-grid, .pricing-grid, .library-grid, .benefit-list, .update-strip, .faq-list { grid-template-columns: 1fr; }
}
@media (max-width: 560px) {
  .site-header { gap: 12px; }
  .brand { min-width: 0; }
  .brand small { display: none; }
  .hero { padding-top: 54px; }
  h1 { font-size: 34px; }
}