:root {
  --bg: #f4f0e6;
  --card: #ffffff;
  --ink: #25232b;
  --muted: #6b6672;
  --line: #e4ded0;
  --gold: #f6c66b;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #1c1b1f;
    --card: #26242b;
    --ink: #f3efe6;
    --muted: #a8a3ad;
    --line: #38353d;
    --gold: #d99a2b;
  }
}
* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.6 -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
}
a { color: inherit; }
.wrap { max-width: 960px; margin: 0 auto; padding: 0 20px; }
header.top { display: flex; align-items: center; justify-content: space-between; padding: 20px 0; }
.brand { display: flex; align-items: center; gap: 10px; font-weight: 700; font-size: 20px; text-decoration: none; }
.brand img { width: 36px; height: 36px; border-radius: 9px; }
nav a { margin-left: 18px; color: var(--muted); text-decoration: none; font-size: 15px; }
nav a:hover { color: var(--ink); }
.hero { padding: 56px 0 40px; text-align: center; }
.hero img.logo { width: 112px; height: 112px; border-radius: 26px; box-shadow: 0 8px 24px rgba(30, 27, 34, 0.15); }
.hero h1 { font-size: clamp(32px, 6vw, 52px); line-height: 1.15; margin: 24px 0 12px; letter-spacing: -0.02em; }
.hero p { font-size: 19px; color: var(--muted); max-width: 640px; margin: 0 auto; }
.hero .zh { margin-top: 8px; font-size: 17px; }
.pill {
  display: inline-block; margin-top: 28px; padding: 12px 24px; border-radius: 999px;
  background: var(--ink); color: var(--bg); text-decoration: none; font-weight: 600;
}
.art { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; margin: 24px 0 8px; }
.art img { width: 96px; height: 96px; object-fit: contain; }
section { padding: 40px 0; }
section h2 { font-size: 28px; margin: 0 0 8px; letter-spacing: -0.01em; }
section .lead { color: var(--muted); margin: 0 0 24px; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 16px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: 18px; padding: 22px; }
.card h3 { margin: 0 0 6px; font-size: 18px; }
.card p { margin: 0; color: var(--muted); }
.price { font-size: 30px; font-weight: 700; margin: 4px 0; }
.price small { font-size: 15px; font-weight: 500; color: var(--muted); }
.note { color: var(--muted); font-size: 14px; margin-top: 16px; }
footer { border-top: 1px solid var(--line); padding: 28px 0 40px; color: var(--muted); font-size: 14px; }
footer .links a { margin-right: 16px; }
.doc { max-width: 760px; padding-bottom: 40px; }
.doc h1 { font-size: 34px; margin: 24px 0 4px; }
.doc h2 { font-size: 21px; margin: 28px 0 8px; }
.doc .updated { color: var(--muted); }
@media (max-width: 560px) {
  nav a { margin-left: 12px; font-size: 14px; }
  .art img { width: 72px; height: 72px; }
}