:root {
  --color-primary: #fcfdff;
  --color-primary-on: #000000;
  --color-ink: #fcfdff;
  --color-body: rgba(252, 253, 255, 0.86);
  --color-charcoal: rgba(252, 253, 255, 0.7);
  --color-mute: #a1a4a5;
  --color-ash: #888e90;
  --color-stone: #464a4d;
  --color-on-light: #000000;
  --color-canvas: #000000;
  --color-surface-card: #0a0a0c;
  --color-surface-elevated: #101012;
  --color-surface-deep: #06060a;
  --color-hairline: rgba(255, 255, 255, 0.06);
  --color-hairline-strong: rgba(255, 255, 255, 0.14);
  --color-accent-orange: #ff801f;
  --color-accent-blue: #3b9eff;
  --color-accent-green: #11ff99;
  --color-link: #3b9eff;
  --color-surface-light: #f1f7fe;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --rounded-full: 9999px;
  --space-sm: 8px;
  --space-md: 12px;
  --space-lg: 16px;
  --space-xl: 24px;
  --space-xxl: 32px;
  --font-display: "Domaine Display", Georgia, "Times New Roman", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", serif;
  --font-body: "ABC Favorit", Inter, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-ui: Inter, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-body);
  background: var(--color-canvas);
  line-height: 1.5;
  letter-spacing: -0.4px;
}
a { color: var(--color-link); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.header {
  border-bottom: 1px solid var(--color-hairline);
  padding: 16px 0;
  background: var(--color-canvas);
}
.header-inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.logo {
  font-family: var(--font-display);
  font-weight: 400;
  color: var(--color-ink);
  font-size: 20px;
}
.logo:hover { text-decoration: none; }
.search { flex: 1; min-width: 200px; display: flex; }
.search input {
  flex: 1;
  height: 40px;
  padding: 10px 14px;
  border: 1px solid var(--color-hairline-strong);
  background: var(--color-surface-card);
  color: var(--color-ink);
  font-family: var(--font-ui);
  font-size: 14px;
  border-radius: var(--rounded-md) 0 0 var(--rounded-md);
}
.search button {
  height: 40px;
  padding: 8px 16px;
  border: none;
  background: var(--color-primary);
  color: var(--color-primary-on);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-radius: 0 var(--rounded-md) var(--rounded-md) 0;
}
.links { display: flex; gap: 16px; font-size: 13px; font-family: var(--font-ui); }
.links a { color: var(--color-charcoal); letter-spacing: 0.35px; }

.nav { border-bottom: 1px solid var(--color-hairline); }
.nav-inner { display: flex; flex-wrap: wrap; gap: 4px 20px; padding: 12px 24px; }
.nav a {
  color: var(--color-charcoal);
  font-size: 14px;
  font-family: var(--font-ui);
  letter-spacing: 0.35px;
}
.nav a.on { color: var(--color-ink); font-weight: 500; }

.hero { padding: 32px 0; }
.ph {
  background: var(--color-surface-elevated);
  color: var(--color-stone);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  font-family: var(--font-ui);
  border-radius: var(--rounded-lg);
  border: 1px solid var(--color-hairline);
}
.banner { height: 220px; }

.section { padding: 48px 0; }
.section h2 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  line-height: 1;
  letter-spacing: -0.4px;
  color: var(--color-ink);
  margin: 0 0 24px;
}

.cats { display: flex; flex-wrap: wrap; gap: 8px; }
.cats a {
  background: var(--color-surface-elevated);
  border: 1px solid var(--color-hairline);
  padding: 4px 10px;
  color: var(--color-body);
  font-size: 12px;
  font-family: var(--font-ui);
  border-radius: var(--rounded-full);
}
.cats a:hover { text-decoration: none; color: var(--color-ink); border-color: var(--color-hairline-strong); }

.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.item {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-lg);
  padding: 16px;
  color: var(--color-ink);
}
.item:hover { text-decoration: none; }
.item .ph { height: 140px; margin-bottom: 12px; }
.item h3 { margin: 0 0 4px; font-size: 14px; font-weight: 500; font-family: var(--font-ui); }
.price { color: var(--color-ink); font-weight: 500; font-family: var(--font-ui); }
.sub { color: var(--color-ash); font-size: 12px; font-family: var(--font-ui); }

.layout { display: grid; grid-template-columns: 200px 1fr; gap: 32px; padding: 32px 0; }
.side a {
  display: block;
  padding: 10px 0;
  color: var(--color-charcoal);
  border-bottom: 1px solid var(--color-hairline);
  font-size: 14px;
  font-family: var(--font-ui);
}
.side a.on { color: var(--color-ink); font-weight: 500; }

.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 32px 0; }
.detail .ph { height: 320px; }
.detail h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 400;
  line-height: 1.1;
  color: var(--color-ink);
  margin: 0 0 8px;
}
.sku { color: var(--color-ash); font-size: 13px; margin-bottom: 12px; font-family: var(--font-ui); }
.spec { list-style: none; margin: 0 0 16px; padding: 0; font-size: 14px; }
.spec li { padding: 8px 0; border-bottom: 1px solid var(--color-hairline); color: var(--color-charcoal); }

.btn {
  display: inline-flex;
  align-items: center;
  height: 36px;
  padding: 8px 16px;
  border: none;
  background: var(--color-primary);
  color: var(--color-primary-on);
  font-family: var(--font-ui);
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  border-radius: var(--rounded-md);
  margin-right: 8px;
}
.btn:hover { text-decoration: none; color: var(--color-primary-on); background: var(--color-surface-light); }
.btn-line {
  background: var(--color-canvas);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline-strong);
}
.btn-line:hover { color: var(--color-ink); background: var(--color-surface-elevated); }

table { width: 100%; border-collapse: collapse; font-size: 14px; font-family: var(--font-ui); }
th, td { border-bottom: 1px solid var(--color-hairline); padding: 14px 8px; text-align: left; color: var(--color-body); }
th { color: var(--color-ash); font-weight: 400; }
.qty {
  width: 56px;
  padding: 8px;
  background: var(--color-surface-card);
  color: var(--color-ink);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-md);
}

.user-list { list-style: none; margin: 0; padding: 0; }
.user-list li {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline-strong);
  border-radius: var(--rounded-lg);
  padding: 16px;
  margin-bottom: 8px;
  color: var(--color-body);
}

.footer {
  border-top: 1px solid var(--color-hairline);
  padding: 48px 0 64px;
  color: var(--color-ash);
  font-size: 12px;
  font-family: var(--font-ui);
}
.footer p { margin: 0 0 4px; }

@media (max-width: 800px) {
  .products { grid-template-columns: repeat(2, 1fr); }
  .layout, .detail { grid-template-columns: 1fr; }
}

.ph { overflow: hidden; }
.ph img { width: 100%; height: 100%; object-fit: cover; display: block; }