:root {
  --color-primary: #5645d4;
  --color-primary-pressed: #4534b3;
  --color-on-primary: #ffffff;
  --color-brand-navy: #0a1530;
  --color-link-blue: #0075de;
  --color-canvas: #ffffff;
  --color-surface: #f6f5f4;
  --color-hairline: #e5e3df;
  --color-hairline-strong: #c8c4be;
  --color-ink: #1a1a1a;
  --color-charcoal: #37352f;
  --color-slate: #5d5b54;
  --color-steel: #787671;
  --color-stone: #a4a097;
  --color-card-tint-peach: #ffe8d4;
  --color-card-tint-lavender: #e6e0f5;
  --color-card-tint-mint: #d9f3e1;
  --rounded-md: 8px;
  --rounded-lg: 12px;
  --font-sans: "Notion Sans", Inter, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--color-ink);
  background: var(--color-canvas);
  line-height: 1.5;
}
a { color: var(--color-link-blue); text-decoration: none; }
a:hover { text-decoration: underline; }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.header { border-bottom: 1px solid var(--color-hairline); padding: 12px 0; }
.header-inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.logo { font-weight: 600; color: var(--color-ink); font-size: 18px; letter-spacing: -0.3px; }
.logo:hover { text-decoration: none; color: var(--color-ink); }
.search { flex: 1; min-width: 200px; display: flex; }
.search input {
  flex: 1;
  padding: 10px 16px;
  border: 1px solid var(--color-hairline);
  border-right: 0;
  font: inherit;
  background: var(--color-surface);
  border-radius: 8px 0 0 8px;
  height: 44px;
}
.search button {
  padding: 0 16px;
  border: 0;
  background: var(--color-primary);
  color: #fff;
  font: 500 14px var(--font-sans);
  cursor: pointer;
  border-radius: 0 8px 8px 0;
  height: 44px;
}
.links { display: flex; gap: 12px; font-size: 14px; }
.links a { color: var(--color-charcoal); }

.nav { border-bottom: 1px solid var(--color-hairline); }
.nav-inner { display: flex; flex-wrap: wrap; gap: 4px 18px; padding: 10px 24px; }
.nav a { color: var(--color-slate); font-size: 14px; font-weight: 500; }
.nav a.on { color: var(--color-ink); }

.hero { padding: 24px 0; }
.ph {
  background: var(--color-surface);
  color: var(--color-stone);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  border-radius: var(--rounded-lg);
}
.banner {
  height: 200px;
  background: var(--color-brand-navy);
  color: #fff;
  font-size: 36px;
  font-weight: 600;
  letter-spacing: -1px;
}

.section { padding: 32px 0; }
.section h2 { font-size: 22px; font-weight: 600; margin: 0 0 16px; letter-spacing: -0.3px; }

.cats { display: flex; flex-wrap: wrap; gap: 8px; }
.cats a {
  border: 1px solid var(--color-hairline);
  padding: 6px 12px;
  color: var(--color-charcoal);
  font-size: 13px;
  font-weight: 500;
  border-radius: 9999px;
  background: var(--color-surface);
}
.cats a:hover { text-decoration: none; background: var(--color-ink); color: #fff; }

.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 16px; }
.item {
  border: 1px solid var(--color-hairline);
  padding: 12px;
  color: var(--color-ink);
  border-radius: var(--rounded-lg);
  background: #fff;
}
.item:hover { text-decoration: none; }
.item .ph { height: 120px; margin-bottom: 8px; }
.item h3 { margin: 0 0 4px; font-size: 14px; font-weight: 600; }
.price { color: var(--color-primary); font-weight: 600; }
.sub { color: var(--color-steel); font-size: 12px; }

.layout { display: grid; grid-template-columns: 200px 1fr; gap: 24px; padding: 24px 0; }
.side a {
  display: block;
  padding: 10px 0;
  color: var(--color-charcoal);
  border-bottom: 1px solid var(--color-hairline);
  font-size: 14px;
}
.side a.on { font-weight: 600; color: var(--color-primary); }

.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 24px 0; }
.detail .ph { height: 280px; }
.detail h1 { font-size: 28px; font-weight: 600; margin: 0 0 8px; letter-spacing: -0.4px; }
.sku { color: var(--color-steel); font-size: 13px; margin-bottom: 12px; }
.spec { list-style: none; margin: 0 0 16px; padding: 0; font-size: 14px; }
.spec li { padding: 10px 0; border-bottom: 1px solid var(--color-hairline); }

.btn {
  display: inline-block;
  padding: 10px 18px;
  border: 0;
  background: var(--color-primary);
  color: #fff;
  font: 500 14px var(--font-sans);
  cursor: pointer;
  margin-right: 8px;
  border-radius: var(--rounded-md);
}
.btn:hover { text-decoration: none; color: #fff; }
.btn-line {
  background: transparent;
  color: var(--color-ink);
  border: 1px solid var(--color-hairline-strong);
}
.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-strong); border-radius: 8px; }

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

.footer {
  border-top: 1px solid var(--color-hairline);
  padding: 32px 0 40px;
  color: var(--color-steel);
  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; }