:root {
  --blue: #1a56db;
  --dark: #1f2937;
  --gray: #6b7280;
  --light: #f3f4f6;
  --border: #e5e7eb;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body { font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif; color: var(--dark); line-height: 1.6; }
a { color: var(--blue); text-decoration: none; }
a:hover { text-decoration: underline; }
header { background: #fff; border-bottom: 1px solid var(--border); padding: 16px 24px; display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
header .brand { font-size: 22px; font-weight: 700; color: var(--dark); }
header .brand span { color: var(--blue); }
header .tagline { color: var(--gray); font-size: 14px; }
main { max-width: 1000px; margin: 0 auto; padding: 32px 24px; }
h1 { font-size: 26px; margin-bottom: 8px; }
h2 { font-size: 20px; margin: 24px 0 12px; }
table { width: 100%; border-collapse: collapse; margin: 16px 0; }
th, td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
th { background: var(--light); font-weight: 600; width: 180px; }
.btn { display: inline-block; background: var(--blue); color: #fff; padding: 12px 24px; border-radius: 6px; font-weight: 600; margin: 16px 12px 0 0; }
.btn:hover { background: #1a46a8; text-decoration: none; }
footer { border-top: 1px solid var(--border); padding: 24px; text-align: center; color: var(--gray); font-size: 14px; }
.badge { display: inline-block; background: #d1fae5; color: #065f46; padding: 3px 12px; border-radius: 999px; font-size: 13px; font-weight: 600; }
.note { background: #fff7ed; border: 1px solid #fed7aa; padding: 14px 18px; border-radius: 8px; margin: 20px 0; color: #92400e; font-size: 14px; }
.crumb { color: var(--gray); font-size: 14px; margin-bottom: 16px; }
.search { width: 100%; padding: 14px 16px; border: 1px solid var(--border); border-radius: 8px; font-size: 16px; margin: 16px 0; }
.part-list { list-style: none; }
.part-list li { border-bottom: 1px solid var(--border); padding: 12px 0; display: flex; justify-content: space-between; gap: 12px; flex-wrap: wrap; }
.part-list li .pn { font-weight: 600; }
.part-list li .meta { color: var(--gray); font-size: 14px; }
@media (max-width: 640px) { th { width: 110px; } header { flex-direction: column; align-items: flex-start; } }