:root {
  --ink: #10252c;
  --muted: #5a6f75;
  --paper: #f5f1e8;
  --card: #fffdf8;
  --teal: #087f75;
  --teal-dark: #075b57;
  --coral: #ee704f;
  --line: #d7ddd8;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 0%, rgba(238,112,79,.14), transparent 26rem),
    linear-gradient(135deg, #fbfaf6 0%, var(--paper) 100%);
  font-family: "Segoe UI", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}
a { color: inherit; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.site-header { border-bottom: 1px solid rgba(16,37,44,.12); background: rgba(255,253,248,.88); }
.nav { min-height: 76px; display: flex; align-items: center; justify-content: space-between; gap: 28px; }
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 800; letter-spacing: -.02em; }
.mark { display: grid; place-items: center; width: 40px; height: 40px; border-radius: 13px; color: white; background: linear-gradient(145deg, var(--teal), var(--teal-dark)); box-shadow: 0 8px 20px rgba(8,127,117,.22); }
.links { display: flex; flex-wrap: wrap; gap: 18px; color: var(--muted); font-size: 14px; }
.links a { text-decoration: none; }
.links a:hover, .links a:focus { color: var(--teal); }
.hero { padding: 92px 0 70px; display: grid; grid-template-columns: 1.25fr .75fr; gap: 64px; align-items: center; }
.eyebrow { color: var(--teal); font-size: 13px; font-weight: 800; letter-spacing: .16em; text-transform: uppercase; }
h1 { margin: 14px 0 20px; max-width: 800px; font-family: Georgia, "Microsoft YaHei", serif; font-size: clamp(44px, 7vw, 82px); line-height: 1.02; letter-spacing: -.045em; }
h2 { margin: 0 0 12px; font-family: Georgia, "Microsoft YaHei", serif; font-size: clamp(28px, 4vw, 44px); line-height: 1.15; }
h3 { margin: 0 0 8px; font-size: 18px; }
.lead { max-width: 720px; color: var(--muted); font-size: 19px; }
.notice { padding: 26px; border: 1px solid rgba(8,127,117,.25); border-radius: 24px; background: linear-gradient(150deg, rgba(255,255,255,.9), rgba(229,244,238,.9)); box-shadow: 0 18px 50px rgba(16,37,44,.08); }
.notice strong { display: block; margin-bottom: 6px; color: var(--teal-dark); }
.section { padding: 72px 0; }
.section + .section { border-top: 1px solid var(--line); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 20px; margin-top: 30px; }
.card { padding: 26px; border: 1px solid var(--line); border-radius: 20px; background: var(--card); box-shadow: 0 12px 32px rgba(16,37,44,.05); }
.card p, .prose p, .prose li { color: var(--muted); }
.page-head { padding: 72px 0 36px; }
.page-head h1 { font-size: clamp(42px, 6vw, 70px); }
.prose { max-width: 820px; padding-bottom: 80px; }
.prose section { padding: 24px 0; border-top: 1px solid var(--line); }
.prose ul { padding-left: 22px; }
.contact-box { display: grid; grid-template-columns: 160px 1fr; gap: 18px; padding: 22px 0; border-top: 1px solid var(--line); }
.contact-box span { color: var(--muted); }
.site-footer { padding: 34px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
.footer-row { display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap; }
.pill { display: inline-block; padding: 7px 12px; border-radius: 999px; color: var(--teal-dark); background: #dff1eb; font-size: 12px; font-weight: 700; }

@media (max-width: 780px) {
  .shell { width: min(100% - 28px, 1120px); }
  .nav { padding: 16px 0; align-items: flex-start; flex-direction: column; }
  .links { gap: 10px 16px; }
  .hero { grid-template-columns: 1fr; gap: 28px; padding: 62px 0 48px; }
  .grid { grid-template-columns: 1fr; }
  .section { padding: 52px 0; }
  .contact-box { grid-template-columns: 1fr; gap: 4px; }
}