:root {
  color-scheme: light;
  --canvas: #f7f5ef;
  --surface: #ffffff;
  --ink: #111111;
  --muted: #626262;
  --line: #dedbd2;
  --yellow: #ffd60a;
  --radius: 24px;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--canvas);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
  line-height: 1.7;
}
a { color: inherit; text-underline-offset: 4px; }
.shell { width: min(1120px, calc(100% - 40px)); margin: 0 auto; }
.nav {
  min-height: 72px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
}
.brand { font-size: 25px; font-weight: 900; letter-spacing: -1.5px; text-decoration: none; }
.nav-links { display: flex; flex-wrap: wrap; gap: 20px; color: var(--muted); font-size: 14px; }
.nav-links a { text-decoration: none; }
.hero {
  margin: 20px auto 48px;
  min-height: 520px;
  padding: 72px;
  display: grid;
  align-items: end;
  border-radius: 36px;
  background: #0c0c0c;
  color: #fff;
}
.eyebrow { color: var(--yellow); font-size: 14px; font-weight: 800; letter-spacing: .12em; }
h1 { margin: 16px 0; max-width: 760px; font-size: clamp(44px, 8vw, 88px); line-height: 1.02; letter-spacing: -.055em; }
.hero p { max-width: 680px; margin: 0; color: #d7d7d7; font-size: clamp(17px, 2vw, 22px); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin: 0 0 64px; }
.card { padding: 28px; border: 1px solid var(--line); border-radius: var(--radius); background: var(--surface); }
.card h2, .card h3 { margin-top: 0; line-height: 1.25; }
.card p { color: var(--muted); }
.section { padding: 52px 0; border-top: 1px solid var(--line); }
.section h2 { max-width: 760px; margin: 0 0 18px; font-size: clamp(30px, 5vw, 52px); line-height: 1.1; letter-spacing: -.035em; }
.section > p, .section .lead { max-width: 760px; color: var(--muted); font-size: 18px; }
.status { display: inline-flex; align-items: center; gap: 8px; padding: 8px 12px; background: #edf8ef; border-radius: 999px; color: #22733b; font-size: 13px; font-weight: 700; }
.status::before { content: ""; width: 8px; height: 8px; border-radius: 50%; background: #27a745; }
.legal { width: min(860px, calc(100% - 40px)); margin: 42px auto 80px; }
.legal h1 { max-width: none; font-size: clamp(38px, 7vw, 64px); }
.legal h2 { margin-top: 40px; font-size: 26px; line-height: 1.25; }
.legal h3 { margin-top: 28px; }
.legal p, .legal li { color: #333; }
.notice { padding: 18px 20px; border-left: 5px solid var(--yellow); background: #fff8cc; border-radius: 10px; }
.meta { color: var(--muted); font-size: 14px; }
.button { display: inline-flex; min-height: 48px; padding: 0 20px; align-items: center; border-radius: 14px; background: var(--ink); color: #fff; text-decoration: none; font-weight: 750; }
footer { padding: 32px 0 48px; border-top: 1px solid var(--line); color: var(--muted); font-size: 13px; }
footer .footer-grid { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; }

@media (max-width: 760px) {
  .shell { width: min(100% - 28px, 1120px); }
  .nav { align-items: flex-start; padding: 18px 0; }
  .nav-links { justify-content: flex-end; gap: 10px 14px; }
  .hero { min-height: 480px; padding: 32px 24px; border-radius: 24px; }
  .grid { grid-template-columns: 1fr; }
  .legal { width: min(100% - 28px, 860px); margin-top: 24px; }
}