:root {
  --color-primary: #0a0a0a;
  --color-ink: #0a0a0a;
  --color-body: #3a3a3a;
  --color-muted: #6a6a6a;
  --color-hairline: #e5e5e5;
  --color-canvas: #fffaf0;
  --color-surface-soft: #faf5e8;
  --color-surface-card: #f5f0e0;
  --color-brand-pink: #ff4d8b;
  --color-brand-teal: #1a3a3a;
  --color-brand-lavender: #b8a4ed;
  --color-brand-peach: #ffb084;
  --color-brand-ochre: #e8b94a;
  --color-sale: #0a0a0a;
  --rounded-md: 12px;
  --rounded-lg: 16px;
  --rounded-xl: 24px;
  --rounded-pill: 9999px;
  --font-display: "Plain Black", Inter, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-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-body);
  background: var(--color-canvas);
  line-height: 1.5;
}
a { color: var(--color-ink); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 16px; }

.header { padding: 12px 0; }
.header-inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.logo {
  font-family: var(--font-display);
  font-size: 22px;
  font-weight: 500;
  letter-spacing: -0.6px;
  color: var(--color-ink);
  text-decoration: none;
}
.search { flex: 1; min-width: 200px; display: flex; }
.search input {
  flex: 1;
  padding: 12px 16px;
  border: 1px solid var(--color-hairline);
  border-radius: 12px 0 0 12px;
  background: #fff;
  font: inherit;
}
.search button {
  padding: 0 16px;
  border: 0;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  border-radius: 0 12px 12px 0;
  cursor: pointer;
}
.links { display: flex; gap: 12px; font-size: 13px; }

.nav { background: var(--color-surface-soft); }
.nav-inner { display: flex; flex-wrap: wrap; gap: 4px 8px; padding: 8px 16px; }
.nav a {
  color: var(--color-muted);
  font-size: 14px;
  padding: 8px 16px;
  border-radius: var(--rounded-pill);
}
.nav a.on { background: var(--color-surface-card); color: var(--color-ink); font-weight: 600; }

.hero { padding: 24px 0; }
.ph {
  background: var(--color-surface-card);
  color: var(--color-muted);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  border-radius: 16px;
}
.banner { height: 180px; background: var(--color-brand-peach); color: var(--color-ink); }

.section { padding: 32px 0; }
.section h2 {
  font-family: var(--font-display);
  font-size: 28px;
  font-weight: 500;
  letter-spacing: -0.5px;
  color: var(--color-ink);
  margin: 0 0 16px;
}

.cats { display: flex; flex-wrap: wrap; gap: 8px; }
.cats a {
  padding: 6px 12px;
  color: var(--color-ink);
  font-size: 13px;
  border-radius: var(--rounded-pill);
  background: var(--color-surface-card);
}
.cats a:nth-child(1) { background: var(--color-brand-pink); color: #fff; }
.cats a:nth-child(2) { background: var(--color-brand-teal); color: #fff; }
.cats a:nth-child(3) { background: var(--color-brand-lavender); }
.cats a:nth-child(4) { background: var(--color-brand-peach); }
.cats a:nth-child(5) { background: var(--color-brand-ochre); }
.cats a:hover { text-decoration: none; }

.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.item {
  background: var(--color-surface-card);
  border-radius: 24px;
  padding: 12px;
  color: var(--color-ink);
}
.item:nth-child(6n+1) { background: #ffe3ee; }
.item:nth-child(6n+2) { background: #dce8e8; }
.item:nth-child(6n+3) { background: #ece6fb; }
.item:nth-child(6n+4) { background: #ffe6d6; }
.item:nth-child(6n+5) { background: #f6e7b8; }
.item:hover { text-decoration: none; }
.item .ph { height: 120px; margin-bottom: 8px; background: rgba(255,255,255,0.5); }
.item h3 { margin: 0 0 4px; font-size: 14px; font-weight: 600; }
.price { color: var(--color-sale); font-weight: 600; }
.sub { color: var(--color-muted); font-size: 12px; }

.layout { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 24px 0; }
.side a {
  display: block;
  padding: 10px 12px;
  color: var(--color-body);
  border-radius: 12px;
  font-size: 14px;
}
.side a.on { background: var(--color-surface-card); font-weight: 600; color: var(--color-ink); }

.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 24px 0; }
.detail .ph { height: 280px; background: var(--color-brand-peach); color: var(--color-ink); }
.detail h1 {
  font-family: var(--font-display);
  font-size: 32px;
  font-weight: 500;
  margin: 0 0 8px;
  color: var(--color-ink);
}
.sku { color: var(--color-muted); font-size: 13px; margin-bottom: 12px; }
.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); }

.btn {
  display: inline-block;
  padding: 12px 20px;
  border: 0;
  background: var(--color-primary);
  color: #fff;
  font-weight: 600;
  border-radius: 12px;
  cursor: pointer;
  margin-right: 8px;
}
.btn:hover { text-decoration: none; color: #fff; }
.btn-line { background: var(--color-canvas); color: var(--color-ink); border: 1px solid var(--color-hairline); }
.btn-line:hover { color: var(--color-ink); }

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: 48px; padding: 6px; border: 1px solid var(--color-hairline); border-radius: 12px; background: #fff; }

.user-list { list-style: none; margin: 0; padding: 0; }
.user-list li {
  background: var(--color-surface-card);
  padding: 12px;
  margin-bottom: 8px;
  border-radius: 16px;
}

.footer {
  background: var(--color-surface-soft);
  color: var(--color-muted);
  padding: 48px 0;
  font-size: 13px;
}
.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; }