:root {
  --color-primary: #f36458;
  --color-black: #0b0b0b;
  --color-electric-blue: #0052ef;
  --color-surface: #212121;
  --color-medium-dark: #353535;
  --color-white: #ffffff;
  --color-silver: #b9b9b9;
  --color-medium-gray: #797979;
  --color-neon-green: #19d600;
  --rounded-xs: 3px;
  --rounded-md: 6px;
  --rounded-lg: 12px;
  --rounded-pill: 99999px;
  --font-display: waldenburgNormal, Inter, "Space Grotesk", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: waldenburgNormal, Inter, "Space Grotesk", system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "IBM Plex Mono", ui-monospace, Menlo, Consolas, system-ui, "Segoe UI", "PingFang SC", "Microsoft YaHei", monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--color-silver);
  background: var(--color-black);
  line-height: 1.5;
}
a { color: var(--color-silver); text-decoration: none; }
a:hover { color: var(--color-electric-blue); }
.wrap { max-width: 1100px; margin: 0 auto; padding: 0 24px; }

.header { border-bottom: 1px solid var(--color-surface); padding: 14px 0; }
.header-inner { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.logo { color: var(--color-white); font-size: 15px; }
.logo:hover { color: var(--color-electric-blue); }
.search { flex: 1; min-width: 200px; display: flex; }
.search input {
  flex: 1;
  padding: 8px 12px;
  border: 1px solid var(--color-surface);
  background: var(--color-black);
  color: var(--color-silver);
  font: inherit;
  border-radius: 3px 0 0 3px;
}
.search button {
  padding: 8px 16px;
  border: none;
  background: var(--color-primary);
  color: var(--color-white);
  font: inherit;
  cursor: pointer;
  border-radius: 0 99999px 99999px 0;
}
.search button:hover { background: var(--color-electric-blue); }
.links { display: flex; gap: 14px; font-size: 13px; font-family: var(--font-mono); text-transform: uppercase; }
.links a { color: var(--color-medium-gray); }

.nav { border-bottom: 1px solid var(--color-surface); }
.nav-inner { display: flex; flex-wrap: wrap; gap: 4px 16px; padding: 10px 24px; }
.nav a { color: var(--color-silver); font-size: 14px; }
.nav a.on { color: var(--color-white); }

.hero { padding: 24px 0; }
.ph {
  background: var(--color-surface);
  color: var(--color-medium-gray);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 13px;
  border-radius: var(--rounded-md);
}
.banner { height: 180px; }

.section { padding: 32px 0; }
.section h2 {
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.32px;
  color: var(--color-white);
  margin: 0 0 16px;
}

.cats { display: flex; flex-wrap: wrap; gap: 8px; }
.cats a {
  background: var(--color-surface);
  color: var(--color-silver);
  padding: 8px 12px;
  font-size: 13px;
  border-radius: var(--rounded-pill);
  font-family: var(--font-mono);
  text-transform: uppercase;
  font-size: 11px;
}
.cats a:hover { background: var(--color-electric-blue); color: var(--color-white); }

.products { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; }
.item {
  background: var(--color-surface);
  border: 1px solid var(--color-medium-dark);
  border-radius: var(--rounded-md);
  padding: 12px;
  color: var(--color-white);
}
.item:hover { color: var(--color-white); }
.item .ph { height: 120px; margin-bottom: 8px; }
.item h3 { margin: 0 0 4px; font-size: 14px; font-weight: 425; }
.price { color: var(--color-primary); font-weight: 400; }
.sub { color: var(--color-medium-gray); 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: 8px 0;
  color: var(--color-silver);
  border-bottom: 1px solid var(--color-surface);
  font-size: 14px;
}
.side a.on { color: var(--color-white); }

.detail { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; padding: 24px 0; }
.detail .ph { height: 280px; }
.detail h1 {
  font-size: 32px;
  font-weight: 400;
  letter-spacing: -0.32px;
  color: var(--color-white);
  margin: 0 0 8px;
}
.sku { color: var(--color-medium-gray); font-size: 12px; margin-bottom: 12px; font-family: var(--font-mono); text-transform: uppercase; }
.spec { list-style: none; margin: 0 0 16px; padding: 0; font-size: 14px; }
.spec li { padding: 8px 0; border-bottom: 1px solid var(--color-surface); }

.btn {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: none;
  background: var(--color-primary);
  color: var(--color-white);
  font: inherit;
  cursor: pointer;
  border-radius: var(--rounded-pill);
  margin-right: 8px;
}
.btn:hover { background: var(--color-electric-blue); color: var(--color-white); }
.btn-line {
  background: var(--color-black);
  color: var(--color-silver);
  border: 1px solid var(--color-surface);
}
.btn-line:hover { background: var(--color-electric-blue); color: var(--color-white); }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th, td { border-bottom: 1px solid var(--color-surface); padding: 10px 8px; text-align: left; }
th { color: var(--color-medium-gray); font-family: var(--font-mono); text-transform: uppercase; font-size: 11px; font-weight: 400; }
.qty {
  width: 48px;
  padding: 4px;
  background: var(--color-black);
  color: var(--color-white);
  border: 1px solid var(--color-surface);
  border-radius: var(--rounded-xs);
}

.user-list { list-style: none; margin: 0; padding: 0; }
.user-list li {
  background: var(--color-surface);
  border: 1px solid var(--color-medium-dark);
  border-radius: var(--rounded-md);
  padding: 12px;
  margin-bottom: 8px;
}

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