:root {
  color-scheme: light dark;
  --bg: #f7f7f5;
  --panel: #ffffff;
  --ink: #1f2328;
  --muted: #5f6771;
  --line: #e2e2dd;
  --accent: #1f5f8b;
  --wait-bg: #fdf1d8;
  --wait-ink: #7a5200;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #17191c;
    --panel: #212428;
    --ink: #e8e9ea;
    --muted: #a2a9b1;
    --line: #34383d;
    --accent: #7cb7de;
    --wait-bg: #40331a;
    --wait-ink: #f0cf8a;
  }
}
* { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font: 16px/1.7 system-ui, -apple-system, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
}
.top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 4px 20px;
  max-width: 760px;
  margin: 0 auto;
  padding: 16px 20px;
}
.top nav { display: flex; gap: 18px; flex: 1; }
.top a { color: var(--muted); text-decoration: none; padding: 6px 0; border-bottom: 2px solid transparent; }
.top a[aria-current="page"] { color: var(--ink); font-weight: 600; border-bottom-color: var(--accent); }
.top form { margin: 0; }
button {
  font: inherit;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 6px 14px;
  cursor: pointer;
}
main { max-width: 760px; margin: 0 auto; padding: 4px 20px 56px; }
h1 { font-size: 26px; line-height: 1.3; margin: 12px 0 20px; }
article, .section {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 18px 22px;
  margin-bottom: 16px;
}
article h2, .section h2 { font-size: 19px; line-height: 1.4; margin: 2px 0 10px; }
article h3 { font-size: 14px; color: var(--muted); margin: 14px 0 2px; font-weight: 600; }
.date { color: var(--muted); font-size: 14px; margin: 0; }
ul { margin: 4px 0; padding-left: 20px; }
li { margin: 3px 0; }
p { margin: 8px 0; }
.lead { color: var(--muted); }
.tag {
  display: inline-block;
  margin-left: 8px;
  padding: 0 8px;
  border-radius: 6px;
  font-size: 13px;
  font-weight: 500;
  color: var(--muted);
  border: 1px solid var(--line);
  vertical-align: 2px;
}
.tag.wait { color: var(--wait-ink); background: var(--wait-bg); border-color: transparent; }
.card { border: 1px solid var(--line); border-radius: 10px; padding: 12px 16px; margin: 12px 0; }
.card h3 { font-size: 16px; margin: 0 0 6px; }
dl { margin: 0; display: grid; grid-template-columns: 7em 1fr; gap: 2px 12px; }
dt { color: var(--muted); font-size: 14px; line-height: 1.9; }
dd { margin: 0; }
.more { text-align: center; }
.more a { color: var(--accent); }
.login { max-width: 320px; margin: 22vh auto 0; padding: 0 20px; }
.login input {
  width: 100%;
  font: inherit;
  color: var(--ink);
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  margin-bottom: 12px;
}
.login button { width: 100%; padding: 10px 14px; }
.error { color: #b3261e; margin: 0 0 12px; }
@media (prefers-color-scheme: dark) { .error { color: #f2b8b5; } }
@media (max-width: 520px) {
  main { padding-left: 14px; padding-right: 14px; }
  .top { padding-left: 14px; padding-right: 14px; }
  article, .section { padding: 14px 16px; }
  h1 { font-size: 22px; }
  dl { grid-template-columns: 1fr; }
  dt { line-height: 1.5; margin-top: 6px; }
}