:root {
  --color-primary: #292524;
  --color-ink: #0c0a09;
  --color-body: #4e4e4e;
  --color-muted: #777169;
  --color-hairline: #e7e5e4;
  --color-hairline-strong: #d6d3d1;
  --color-canvas: #f5f5f5;
  --color-surface-card: #ffffff;
  --color-surface-strong: #f0efed;
  --color-on-primary: #ffffff;
  --color-gradient-mint: #a7e5d3;
  --rounded-md: 8px;
  --rounded-xl: 16px;
  --rounded-pill: 9999px;
  --font-display: "Waldenburg", "Times New Roman", Georgia, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", serif;
  --font-body: 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-ink);
  background: var(--color-canvas);
  line-height: 1.5;
  letter-spacing: 0.15px;
}
a { color: var(--color-ink); text-decoration: none; }
.wrap { max-width: 1200px; margin: 0 auto; padding: 0 32px; }

.header { background: var(--color-canvas); padding: 12px 0; }
.header-inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; min-height: 56px; }
.logo {
  font-family: var(--font-display);
  font-weight: 300;
  color: var(--color-ink);
  font-size: 22px;
}
.search { flex: 1; min-width: 200px; display: flex; }
.search input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--color-hairline-strong);
  background: var(--color-surface-card);
  border-radius: var(--rounded-pill) 0 0 var(--rounded-pill);
  font: inherit;
  height: 40px;
}
.search button {
  padding: 0 18px;
  border: 0;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font: 500 14px var(--font-body);
  cursor: pointer;
  height: 40px;
  border-radius: 0 var(--rounded-pill) var(--rounded-pill) 0;
}
.links { display: flex; gap: 14px; font-size: 14px; font-weight: 500; }
.links a { color: var(--color-body); }

.nav { border-top: 1px solid var(--color-hairline); }
.nav-inner { display: flex; flex-wrap: wrap; gap: 8px 20px; padding: 12px 32px; }
.nav a { color: var(--color-ink); font-size: 14px; font-weight: 500; }
.nav a.on { font-weight: 600; }

.hero { padding: 24px 0 8px; }
.ph {
  background: var(--color-surface-strong);
  color: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
}
.banner {
  height: 180px;
  border-radius: 24px;
  background:
    radial-gradient(circle at 20% 40%, var(--color-gradient-mint), transparent 50%),
    var(--color-surface-strong);
}

.section { padding: 40px 0; }
.section h2 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 300;
  margin: 0 0 16px;
}

.cats { display: flex; flex-wrap: wrap; gap: 8px; }
.cats a {
  background: var(--color-surface-strong);
  padding: 6px 14px;
  color: var(--color-ink);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.6px;
  text-transform: uppercase;
  border-radius: var(--rounded-pill);
}

.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 14px; }
.item {
  background: var(--color-surface-card);
  border: 1px solid var(--color-hairline);
  border-radius: var(--rounded-xl);
  padding: 16px;
  color: var(--color-ink);
}
.item .ph { height: 120px; margin-bottom: 12px; border-radius: 12px; }
.item h3 { margin: 0 0 6px; font-size: 16px; font-weight: 500; }
.price { color: var(--color-ink); font-weight: 500; }
.sub { color: var(--color-muted); font-size: 13px; }

.layout { display: grid; grid-template-columns: 200px 1fr; gap: 28px; padding: 28px 0; }
.side a {
  display: block;
  padding: 10px 0;
  color: var(--color-ink);
  border-bottom: 1px solid var(--color-hairline);
  font-size: 14px;
}
.side a.on { font-weight: 600; }

.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; padding: 36px 0; }
.detail .ph { height: 300px; border-radius: var(--rounded-xl); }
.detail h1 {
  font-family: var(--font-display);
  font-size: 36px;
  font-weight: 300;
  margin: 0 0 8px;
}
.sku { color: var(--color-muted); font-size: 13px; margin-bottom: 12px; }
.spec { list-style: none; margin: 0 0 20px; padding: 0; font-size: 14px; color: var(--color-body); }
.spec li { padding: 8px 0; border-bottom: 1px solid var(--color-hairline); }
.btn {
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  height: 40px;
  border: 0;
  background: var(--color-primary);
  color: var(--color-on-primary);
  font: 500 15px var(--font-body);
  cursor: pointer;
  border-radius: var(--rounded-pill);
  margin-right: 8px;
}
.btn-line {
  background: transparent;
  color: var(--color-ink);
  box-shadow: inset 0 0 0 1px var(--color-hairline-strong);
}

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { border-bottom: 1px solid var(--color-hairline); padding: 12px 8px; text-align: left; }
.qty { width: 52px; padding: 6px; 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);
  border-radius: var(--rounded-xl);
  padding: 14px 16px;
  margin-bottom: 8px;
}

.footer {
  border-top: 1px solid var(--color-hairline);
  padding: 32px 0 48px;
  color: var(--color-body);
  font-size: 14px;
}
.footer p { margin: 0 0 4px; }

@media (max-width: 800px) {
  .wrap { padding: 0 16px; }
  .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; }