:root {
  color-scheme: light;
  --ink: #111;
  --muted: #6a6a6a;
  --line: #dedede;
  --paper: #f5f5f2;
  --white: #fff;
  --dark: #171717;
  --accent: #b9ff34;
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans CJK SC", Arial, sans-serif;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--paper); color: var(--ink); }
a { color: inherit; }
button, input, select { font: inherit; }

.site-header {
  min-height: 72px;
  padding: 0 4vw;
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid var(--line);
  background: rgba(245,245,242,.94);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(12px);
}
.brand { display: inline-flex; align-items: center; gap: 12px; text-decoration: none; font-weight: 700; }
.brand-mark { background: var(--ink); color: white; padding: 9px 10px; letter-spacing: .08em; }
.brand-copy { font-size: 18px; }
.identity { display: flex; gap: 14px; align-items: center; font-size: 13px; }
.identity .level { border: 1px solid var(--ink); padding: 5px 8px; }

main { min-height: calc(100vh - 140px); }
.hero { padding: 8vw 6vw 5vw; border-bottom: 1px solid var(--line); }
.hero.authenticated { padding-top: 5vw; }
.eyebrow { margin: 0 0 18px; color: var(--muted); font-size: 12px; letter-spacing: .16em; font-weight: 700; }
.hero h1 { max-width: 980px; margin: 0; font-size: clamp(48px, 8vw, 112px); line-height: .96; letter-spacing: -.055em; }
.hero-copy { max-width: 820px; margin: 30px 0; font-size: clamp(17px, 2vw, 24px); line-height: 1.7; color: #333; }
.primary-action { display: inline-block; background: var(--ink); color: white; padding: 15px 26px; text-decoration: none; font-weight: 700; }
.denied { max-width: 760px; padding: 16px 18px; margin: 22px 0; border-left: 4px solid var(--ink); background: #fff; }
.architecture-strip { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 56px; }
.architecture-strip span { border: 1px solid var(--ink); padding: 10px 14px; font-size: 13px; }

.principles { display: grid; grid-template-columns: repeat(3, 1fr); }
.principles article { padding: 46px 4vw; border-right: 1px solid var(--line); min-height: 260px; }
.principles article:last-child { border-right: 0; }
.principles article > span { color: var(--muted); }
.principles h2 { margin: 46px 0 16px; font-size: 24px; }
.principles p { line-height: 1.8; color: #444; }

.search-panel { max-width: 1000px; margin-top: 42px; }
.search-box { display: grid; grid-template-columns: 1fr auto; background: white; border: 2px solid var(--ink); }
.search-box input { border: 0; min-width: 0; padding: 19px 20px; background: transparent; outline: none; font-size: 17px; }
.search-box button { border: 0; background: var(--ink); color: white; padding: 0 30px; font-weight: 700; cursor: pointer; }
.filters { display: flex; gap: 24px; margin-top: 14px; color: var(--muted); font-size: 13px; }
.filters label { display: flex; gap: 8px; align-items: center; }
.filters select { background: transparent; border: 0; border-bottom: 1px solid #aaa; padding: 5px; }

.workspace { display: grid; grid-template-columns: minmax(240px, 320px) 1fr; gap: 0; }
.license-card { padding: 42px 3vw; border-right: 1px solid var(--line); }
.license-card h2 { font-size: 25px; margin: 0 0 28px; }
.license-card dl { margin: 0 0 32px; }
.license-card dl div { display: flex; justify-content: space-between; gap: 20px; padding: 10px 0; border-bottom: 1px solid var(--line); }
.license-card dt { color: var(--muted); }
.license-card dd { margin: 0; text-align: right; }
.license-card > p:last-child { color: var(--muted); line-height: 1.7; font-size: 13px; }
.results-section { padding: 42px 4vw 80px; min-width: 0; }
.section-heading { display: flex; justify-content: space-between; gap: 20px; align-items: end; }
.section-heading h2 { margin: 0; font-size: 32px; }
#result-count { color: var(--muted); }
.status-message { margin-top: 26px; padding: 18px; background: #ecece7; color: var(--muted); }
.results { display: grid; margin-top: 18px; }
.result-card { display: grid; grid-template-columns: 150px 1fr auto; gap: 22px; padding: 24px 4px; border-top: 1px solid var(--line); cursor: pointer; }
.result-card:hover { background: white; }
.result-id { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; }
.result-main h3 { margin: 0 0 10px; font-size: 20px; }
.result-main p { margin: 0; color: #444; line-height: 1.65; }
.badges { display: flex; flex-wrap: wrap; gap: 6px; justify-content: flex-end; align-content: start; }
.badge { font-size: 11px; border: 1px solid #bbb; padding: 4px 6px; white-space: nowrap; }

dialog { width: min(920px, 92vw); max-height: 90vh; border: 0; padding: 0; box-shadow: 0 30px 120px rgba(0,0,0,.35); }
dialog::backdrop { background: rgba(0,0,0,.65); }
.dialog-close { position: sticky; top: 18px; float: right; margin: 18px 18px 0 0; width: 42px; height: 42px; border: 0; border-radius: 50%; background: var(--ink); color: white; font-size: 24px; cursor: pointer; }
#detail-content { padding: 54px clamp(24px, 6vw, 70px) 70px; }
.detail-id { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; color: var(--muted); }
#detail-content h2 { font-size: clamp(34px, 5vw, 60px); line-height: 1.08; letter-spacing: -.04em; margin: 16px 0 28px; }
.detail-summary { font-size: 20px; line-height: 1.7; }
.detail-section { margin-top: 34px; padding-top: 24px; border-top: 1px solid var(--line); }
.detail-section h3 { font-size: 14px; color: var(--muted); }
.detail-section p { line-height: 1.8; white-space: pre-wrap; }
.detail-meta { display: grid; grid-template-columns: repeat(2, 1fr); gap: 1px; background: var(--line); border: 1px solid var(--line); }
.detail-meta div { background: var(--white); padding: 14px; }
.detail-meta dt { font-size: 12px; color: var(--muted); }
.detail-meta dd { margin: 7px 0 0; }

footer { min-height: 68px; padding: 0 4vw; display: flex; align-items: center; justify-content: space-between; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0,0,0,0); }

@media (max-width: 780px) {
  .identity > span:first-child { display: none; }
  .hero { padding: 16vw 6vw 10vw; }
  .principles { grid-template-columns: 1fr; }
  .principles article { border-right: 0; border-bottom: 1px solid var(--line); min-height: auto; }
  .workspace { grid-template-columns: 1fr; }
  .license-card { border-right: 0; border-bottom: 1px solid var(--line); }
  .result-card { grid-template-columns: 1fr; gap: 8px; }
  .badges { justify-content: flex-start; }
  .filters { flex-direction: column; gap: 10px; }
  .detail-meta { grid-template-columns: 1fr; }
}