/* 光晕 Halation — legal site. Darkroom palette: warm near-black, paper white, halation red. */

:root {
  --bg: #161310;
  --bg-raise: #1e1914;
  --ink: #e9e2d3;
  --ink-dim: #a89e8c;
  --ink-faint: #6e675b;
  --line: #35302a;
  --accent: #cf5a3c;
  --accent-soft: rgba(207, 90, 60, 0.14);
  --serif: Georgia, "Times New Roman", "Songti SC", "STSong", serif;
  --sans: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

html { -webkit-text-size-adjust: 100%; }

body {
  background: var(--bg);
  color: var(--ink);
  font-family: var(--serif);
  font-size: 17px;
  line-height: 1.85;
  min-height: 100vh;
}

/* --- chrome --- */

.top {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 24px 0;
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  font-family: var(--sans);
  font-size: 14px;
}

.top a { color: var(--ink-dim); text-decoration: none; }
.top a:hover { color: var(--ink); }

.lang {
  display: flex;
  gap: 14px;
  letter-spacing: 0.04em;
}
.lang .on { color: var(--ink); }
.lang a { text-decoration: none; }

main {
  max-width: 720px;
  margin: 0 auto;
  padding: 40px 24px 64px;
}

/* --- landing --- */

.hero {
  text-align: center;
  padding: 72px 0 56px;
}

.hero .app-icon {
  width: 108px;
  height: 108px;
  border-radius: 24px;
  display: block;
  margin: 0 auto 26px;
  box-shadow: 0 0 60px rgba(207, 90, 60, 0.22), 0 0 0 1px var(--line);
}

.hero h1 {
  font-size: 44px;
  font-weight: 600;
  letter-spacing: 0.06em;
  position: relative;
  display: inline-block;
}

.hero .sub {
  margin-top: 10px;
  font-family: var(--sans);
  font-size: 14px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--ink-faint);
}

/* film strip divider */
.strip {
  display: flex;
  justify-content: center;
  gap: 34px;
  padding: 12px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.strip i {
  width: 22px;
  height: 14px;
  border-radius: 3px;
  background: var(--bg-raise);
  box-shadow: inset 0 0 0 1px var(--line);
}

.docs {
  margin-top: 44px;
  display: grid;
  gap: 14px;
}

.doc-card {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 20px 24px;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 10px;
  text-decoration: none;
  color: var(--ink);
  transition: border-color 0.15s ease;
}

.doc-card:hover { border-color: var(--accent); }

.doc-card .name { font-size: 18px; }
.doc-card .path {
  font-family: var(--sans);
  font-size: 12.5px;
  color: var(--ink-faint);
  white-space: nowrap;
}

/* --- legal document --- */

.doc header h1 {
  font-size: 30px;
  font-weight: 600;
  letter-spacing: 0.03em;
  line-height: 1.4;
}

.doc .meta {
  margin-top: 10px;
  font-family: var(--sans);
  font-size: 13.5px;
  color: var(--ink-faint);
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
}

.doc .rule {
  margin: 26px 0 8px;
  border: 0;
  border-top: 1px solid var(--line);
}

.notice {
  margin: 26px 0 0;
  padding: 16px 20px;
  background: var(--bg-raise);
  border-left: 3px solid var(--accent);
  border-radius: 0 8px 8px 0;
  color: var(--ink-dim);
  font-size: 15.5px;
}

.doc section { margin-top: 36px; }

.doc h2 {
  font-size: 20px;
  font-weight: 600;
  letter-spacing: 0.02em;
  margin-bottom: 12px;
}

.doc p { margin: 10px 0; color: var(--ink); }
.doc p.dim { color: var(--ink-dim); }

.doc ul, .doc ol { margin: 10px 0 10px 1.4em; }
.doc li { margin: 6px 0; }

.doc strong { font-weight: 600; color: var(--paper, var(--ink)); }

.doc table {
  width: 100%;
  margin: 14px 0;
  border-collapse: collapse;
  font-size: 15.5px;
}

.doc th, .doc td {
  text-align: left;
  padding: 10px 14px;
  border: 1px solid var(--line);
  vertical-align: top;
}

.doc th {
  font-family: var(--sans);
  font-size: 13.5px;
  font-weight: 500;
  color: var(--ink-dim);
  background: var(--bg-raise);
}

.contact {
  margin-top: 40px;
  padding: 18px 22px;
  background: var(--bg-raise);
  border: 1px solid var(--line);
  border-radius: 10px;
}

.contact h2 {
  font-size: 16px;
  margin-bottom: 6px;
}

.contact p { margin: 4px 0; }
.contact a { color: var(--accent); text-decoration: none; }
.contact a:hover { text-decoration: underline; }

footer {
  max-width: 720px;
  margin: 0 auto;
  padding: 22px 24px 44px;
  border-top: 1px solid var(--line);
  font-family: var(--sans);
  font-size: 13px;
  color: var(--ink-faint);
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
}

footer a { color: var(--ink-dim); text-decoration: none; }
footer a:hover { color: var(--ink); }

@media (max-width: 480px) {
  body { font-size: 16px; }
  .hero .app-icon { width: 92px; height: 92px; margin-bottom: 20px; }
  .hero h1 { font-size: 34px; }
  .doc header h1 { font-size: 25px; }
  .doc-card { flex-direction: column; gap: 4px; }
}