:root {
  color-scheme: light;
  --bg: #f6f8fb;
  --paper: #ffffff;
  --ink: #111827;
  --muted: #687385;
  --line: #dde4ee;
  --accent: #0a84ff;
  --accent-soft: #e8f2ff;
  --warning-bg: #fff7ed;
  --warning-line: #fed7aa;
  --danger: #b91c1c;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 18% 0%, rgba(10, 132, 255, 0.10), transparent 34rem),
    linear-gradient(180deg, #fbfcff 0%, var(--bg) 100%);
  font: 16px/1.72 -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}

a {
  color: var(--accent);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.shell {
  width: min(920px, calc(100% - 32px));
  margin: 0 auto;
  padding: 36px 0 56px;
}

.hero {
  padding: 24px 0 20px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0;
}

h1, h2, h3 {
  line-height: 1.28;
}

h1 {
  margin: 0;
  font-size: clamp(30px, 6vw, 46px);
  font-weight: 900;
}

h2 {
  margin: 34px 0 12px;
  font-size: 22px;
}

h3 {
  margin: 24px 0 8px;
  font-size: 18px;
}

p, ul, ol {
  margin: 0 0 14px;
}

ul, ol {
  padding-left: 1.35em;
}

li + li {
  margin-top: 6px;
}

.lead {
  max-width: 680px;
  margin-top: 12px;
  color: var(--muted);
  font-size: 18px;
}

.card,
.document {
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 18px 50px rgba(18, 38, 63, 0.08);
}

.card {
  padding: 22px;
}

.document {
  padding: clamp(22px, 5vw, 42px);
}

.doc-header {
  padding-bottom: 20px;
  margin-bottom: 24px;
  border-bottom: 1px solid var(--line);
}

.doc-title-row {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-end;
  justify-content: space-between;
  gap: 12px;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 16px;
}

.pill {
  display: inline-flex;
  align-items: center;
  min-height: 30px;
  padding: 4px 10px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: #0b5cad;
  font-size: 13px;
  font-weight: 800;
}

.muted {
  color: var(--muted);
}

.warning {
  padding: 12px 14px;
  margin: 16px 0 22px;
  border: 1px solid var(--warning-line);
  border-radius: 12px;
  background: var(--warning-bg);
  color: #7c2d12;
  font-weight: 700;
}

.error {
  padding: 16px;
  border: 1px solid #fecaca;
  border-radius: 12px;
  background: #fef2f2;
  color: var(--danger);
}

.app-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 14px;
}

.app-card {
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 14px;
  background: #fff;
}

.app-card h2 {
  margin: 0 0 8px;
}

.link-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 12px;
}

.button-link {
  display: inline-flex;
  align-items: center;
  min-height: 36px;
  padding: 7px 12px;
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-size: 14px;
  font-weight: 800;
}

.button-link:hover {
  text-decoration: none;
  background: #243041;
}

.table-like {
  display: grid;
  gap: 8px;
}

.table-row {
  display: grid;
  grid-template-columns: minmax(96px, 0.35fr) 1fr;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfdff;
}

.table-row strong {
  color: #243041;
}

.footer-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 22px;
  margin-top: 30px;
  border-top: 1px solid var(--line);
}

@media (max-width: 560px) {
  .table-row {
    grid-template-columns: 1fr;
  }

  .document {
    border-radius: 14px;
  }
}