:root {
  --ink: #10283d;
  --muted: #5c7181;
  --paper: #f6f1e6;
  --paper-2: #efe7d8;
  --cyan: #1c7f9e;
  --red: #a63832;
  --line: rgba(16, 40, 61, .13);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--paper);
  font-family: "Noto Serif CJK SC", "Songti SC", "SimSun", Georgia, serif;
  line-height: 1.8;
}
a { color: inherit; }
.nav {
  position: sticky; top: 0; z-index: 10;
  display: flex; justify-content: space-between; align-items: center;
  padding: 18px 6vw;
  background: rgba(246, 241, 230, .88);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--line);
}
.brand { display: flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 700; letter-spacing: .08em; }
.brand img { width: 40px; height: 40px; border-radius: 50%; object-fit: cover; border: 1px solid var(--line); }
.nav nav { display: flex; gap: 26px; font-size: 14px; font-family: "Noto Sans CJK SC", "Microsoft YaHei", sans-serif; }
.nav nav a { text-decoration: none; color: var(--muted); }
.nav nav a:hover { color: var(--cyan); }
.hero {
  display: grid; grid-template-columns: 1.08fr .92fr;
  min-height: 78vh; align-items: center; gap: 4vw;
  padding: 7vw 6vw 5vw;
}
.eyebrow { margin: 0 0 16px; color: var(--cyan); font-family: "Noto Sans CJK SC", sans-serif; font-size: 12px; letter-spacing: .22em; }
h1 { margin: 0; font-size: clamp(48px, 7vw, 86px); line-height: 1.08; letter-spacing: -.04em; font-weight: 700; }
h1 em { color: var(--cyan); font-style: normal; }
.lead { max-width: 35em; color: var(--muted); font-size: 17px; }
.actions { display: flex; gap: 14px; margin: 28px 0 18px; flex-wrap: wrap; }
.button, .ghost {
  display: inline-block; padding: 13px 22px; border-radius: 999px; text-decoration: none;
  font-family: "Noto Sans CJK SC", sans-serif; font-size: 14px;
}
.button { background: var(--ink); color: var(--paper); }
.button:hover { background: var(--cyan); }
.ghost { border: 1px solid var(--line); color: var(--ink); }
.fine { color: #85929a; font-family: "Noto Sans CJK SC", sans-serif; font-size: 12px; }
.hero-art { position: relative; display: flex; justify-content: center; }
.hero-art img { width: min(100%, 520px); position: relative; z-index: 1; border-radius: 28px; filter: drop-shadow(0 30px 40px rgba(30, 51, 60, .18)); }
.halo { position: absolute; width: 82%; aspect-ratio: 1; border-radius: 50%; background: radial-gradient(circle, rgba(71, 180, 200, .24), transparent 66%); top: 8%; filter: blur(12px); }
.section { padding: 6vw 6vw; border-top: 1px solid var(--line); }
.section h2 { margin: 0 0 18px; font-size: clamp(30px, 4.4vw, 52px); letter-spacing: -.03em; }
.body { max-width: 760px; color: var(--muted); font-size: 17px; }
.quote { margin-top: 26px; padding: 20px 26px; border-left: 3px solid var(--red); background: rgba(255,255,255,.35); }
.quote p { margin: 0; font-size: 18px; }
.cards { display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; margin-top: 30px; }
.cards article { background: rgba(255,255,255,.42); border: 1px solid var(--line); padding: 24px; min-height: 210px; }
.cards span { color: var(--red); font-family: "Noto Sans CJK SC", sans-serif; font-size: 12px; letter-spacing: .16em; }
.cards h3 { margin: 16px 0 8px; font-size: 22px; }
.cards p { margin: 0; color: var(--muted); font-size: 15px; }
.note { background: var(--paper-2); }
footer {
  display: flex; justify-content: space-between; gap: 20px; flex-wrap: wrap;
  padding: 38px 6vw; border-top: 1px solid var(--line);
  font-family: "Noto Sans CJK SC", sans-serif; font-size: 13px; color: var(--muted);
}
footer strong { color: var(--ink); }
footer p { margin: 6px 0 0; }
.footer-links { display: flex; gap: 18px; }
.footer-links a { text-decoration: none; color: var(--muted); }
.legal { max-width: 900px; margin: 0 auto; padding: 7vw 6vw; }
.legal h1 { font-size: clamp(38px, 5vw, 58px); }
.legal h2 { margin: 36px 0 10px; font-size: 24px; }
.legal p, .legal li { color: var(--muted); font-size: 16px; }
.legal ul { padding-left: 20px; }
.legal .meta { color: #8a969d; font-family: "Noto Sans CJK SC", sans-serif; font-size: 13px; }
@media (max-width: 800px) {
  .hero { grid-template-columns: 1fr; padding-top: 10vw; }
  .hero-art { order: -1; }
  .hero-art img { width: 72%; }
  .cards { grid-template-columns: 1fr; }
  .nav nav { gap: 14px; font-size: 12px; }
}