:root {
  color-scheme: dark;
  --bg: #09110d;
  --panel: #0e1913;
  --line: #26382e;
  --ink: #edf2ed;
  --muted: #a6b5ad;
  --accent: #b8d9c3;
  --serif: Georgia, "Songti SC", "STSong", serif;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--ink);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: radial-gradient(circle at 82% 12%, #14251c 0, transparent 28%), var(--bg); }
a { color: inherit; }
img { display: block; max-width: 100%; }
.site-header { height: 70px; padding: 0 clamp(22px, 5vw, 72px); display: flex; align-items: center; justify-content: space-between; border-bottom: 1px solid var(--line); }
.brand { font-family: var(--serif); font-size: 23px; font-weight: 700; text-decoration: none; }
.brand small { margin-left: 5px; color: var(--muted); font: 600 9px/1 Inter, sans-serif; letter-spacing: .14em; }
.header-action { padding: 11px 16px; border: 1px solid #41594c; color: var(--accent); font-size: 13px; text-decoration: none; }
.wrap { width: min(1120px, calc(100% - 44px)); margin: 0 auto; }
.hero { padding: clamp(78px, 10vw, 138px) 0 clamp(72px, 9vw, 118px); border-bottom: 1px solid var(--line); }
.crumb, .eyebrow { color: #8fac9c; font-size: 12px; letter-spacing: .12em; }
.crumb { display: inline-block; margin-bottom: 56px; text-decoration: none; }
h1, h2 { margin: 0; font-family: var(--serif); font-weight: 540; letter-spacing: -.045em; text-wrap: balance; }
h1 { max-width: 880px; font-size: clamp(48px, 7vw, 86px); line-height: 1.04; }
h2 { font-size: clamp(34px, 4.5vw, 57px); line-height: 1.1; }
.lead { max-width: 690px; margin: 34px 0 0; color: var(--muted); font-size: clamp(16px, 1.5vw, 19px); line-height: 1.9; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 18px; margin-top: 38px; }
.button { display: inline-flex; align-items: center; min-height: 48px; padding: 0 21px; text-decoration: none; }
.button-primary { background: var(--accent); color: #112019; }
.button-link { color: var(--muted); }
.section { padding: clamp(72px, 9vw, 118px) 0; border-bottom: 1px solid var(--line); }
.split { display: grid; grid-template-columns: .8fr 1.2fr; gap: clamp(46px, 9vw, 130px); align-items: start; }
.prose { color: var(--muted); font-size: 16px; line-height: 1.9; }
.prose p:first-child { margin-top: 0; }
.prose strong { color: var(--ink); font-weight: 500; }
.points { margin: 30px 0 0; padding: 0; list-style: none; border-top: 1px solid var(--line); }
.points li { display: grid; grid-template-columns: 34px 1fr; gap: 16px; padding: 20px 0; border-bottom: 1px solid var(--line); }
.points span { color: #769181; font-size: 11px; }
.figure { padding: clamp(24px, 5vw, 56px); border: 1px solid var(--line); background: #0c1711; }
.figure img { width: 100%; max-height: 670px; object-fit: contain; object-position: top center; }
.figure figcaption { margin-top: 18px; color: #819388; font-size: 12px; }
.note { margin-top: 38px; padding: 26px 28px; border-left: 2px solid var(--accent); background: #101d16; color: #c8d3cd; line-height: 1.8; }
.cta { text-align: center; padding: clamp(88px, 12vw, 150px) 0; }
.cta h2 { max-width: 760px; margin: 0 auto; }
.cta p { color: var(--muted); margin: 24px 0 30px; }
footer { padding: 30px clamp(22px, 5vw, 72px); display: flex; justify-content: space-between; gap: 20px; color: #7e9086; font-size: 11px; }
footer nav { display: flex; flex-wrap: wrap; gap: 18px; }
footer a { text-decoration: none; }

@media (max-width: 720px) {
  .site-header { height: 60px; }
  .wrap { width: min(100% - 36px, 1120px); }
  .header-action { padding: 9px 12px; font-size: 11px; }
  .crumb { margin-bottom: 38px; }
  h1 { font-size: clamp(42px, 13vw, 60px); }
  .split { grid-template-columns: 1fr; gap: 36px; }
  .figure { padding: 16px; }
  footer { flex-direction: column; }
}

@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } }