:root {
  --color-primary: #00d992;
  --color-primary-soft: #2fd6a1;
  --color-primary-deep: #10b981;
  --color-on-primary: #101010;
  --color-ink: #f2f2f2;
  --color-ink-strong: #ffffff;
  --color-body: #bdbdbd;
  --color-mute: #8b949e;
  --color-hairline: #3d3a39;
  --color-canvas: #101010;
  --color-canvas-soft: #1a1a1a;
  --rounded-sm: 6px;
  --rounded-md: 8px;
  --rounded-pill: 9999px;
  --font: Inter, system-ui, Segoe UI, PingFang SC, Microsoft YaHei, sans-serif;
  --font-mono: SFMono-Regular, Menlo, Monaco, Consolas, monospace;
}
* { box-sizing: border-box; }
body {
  margin: 0; font-family: var(--font); color: var(--color-ink);
  background: var(--color-canvas); line-height: 1.5;
}
a { color: var(--color-primary-deep); text-decoration: none; }
a:hover { color: var(--color-primary); }
.wrap { max-width: 1120px; margin: 0 auto; padding: 0 24px; }

.header { background: var(--color-canvas); border-bottom: 1px solid var(--color-hairline); padding: 14px 0; }
.header-inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.logo { color: #fff; font-weight: 600; font-size: 16px; display: flex; align-items: center; gap: 8px; }
.logo:hover { text-decoration: none; color: #fff; }
.bolt { color: var(--color-primary); }
.search { flex: 1; min-width: 200px; display: flex; }
.search input {
  flex: 1; padding: 10px 14px; border: 1px solid var(--color-hairline);
  border-radius: 6px 0 0 6px; font: inherit;
  background: var(--color-canvas-soft); color: var(--color-ink);
}
.search button {
  padding: 10px 16px; border: 0; background: var(--color-primary); color: var(--color-on-primary);
  font: inherit; font-weight: 600; cursor: pointer; border-radius: 0 6px 6px 0;
}
.links { display: flex; gap: 14px; font-size: 13px; }
.links a { color: var(--color-body); }

.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-body); font-size: 14px; }
.nav a.on { color: var(--color-primary); font-weight: 600; }

.hero { padding: 24px 0; }
.ph {
  background: var(--color-canvas-soft); color: var(--color-mute);
  display: flex; align-items: center; justify-content: center; font-size: 13px;
  border-radius: 8px; border: 1px solid var(--color-hairline);
}
.banner { height: 180px; font-family: var(--font-mono); color: var(--color-primary); }

.section { padding: 28px 0; }
.section h2 { font-size: 24px; font-weight: 700; letter-spacing: -0.6px; margin: 0 0 14px; color: #fff; }
.cats { display: flex; flex-wrap: wrap; gap: 8px; }
.cats a {
  border: 1px solid var(--color-hairline); padding: 4px 12px; color: var(--color-ink);
  font-size: 13px; border-radius: 9999px;
}
.cats a:hover { text-decoration: none; border-color: var(--color-primary); color: var(--color-primary); }

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

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

.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 24px 0; }
.detail .ph { height: 280px; }
.detail h1 { font-size: 24px; font-weight: 700; margin: 0 0 8px; color: #fff; letter-spacing: -0.6px; }
.sku { color: var(--color-mute); font-size: 13px; font-family: var(--font-mono); }
.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 16px; border: 0;
  background: var(--color-primary); color: var(--color-on-primary);
  font: inherit; font-weight: 600; cursor: pointer; margin-right: 8px; border-radius: 6px;
}
.btn:hover { text-decoration: none; color: var(--color-on-primary); }
.btn-line { background: transparent; 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: 10px 8px; text-align: left; }
th { font-family: var(--font-mono); font-size: 12px; color: var(--color-mute); font-weight: 400; letter-spacing: 0.08em; text-transform: uppercase; }
.qty { width: 48px; padding: 4px; background: var(--color-canvas-soft); color: #fff; border: 1px solid var(--color-hairline); border-radius: 6px; }
.user-list { list-style: none; margin: 0; padding: 0; }
.user-list li { border: 1px solid var(--color-hairline); padding: 12px; margin-bottom: 8px; border-radius: 8px; }

.footer { border-top: 1px solid var(--color-hairline); padding: 32px 0 48px; color: var(--color-mute); 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; }