:root {
  --paper: #f3eee8;
  --wine: #6b1d36;
  --wine-2: #8e2a4a;
  --ink: #2a1a1f;
  --mute: #6b5a60;
  --line: #e0d4cb;
  --card: #fffaf6;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: "Palatino Linotype", "Source Han Serif SC", "Songti SC", "Microsoft YaHei", serif;
  line-height: 1.8;
}

.layout {
  display: grid;
  grid-template-columns: 240px 1fr;
  min-height: 100vh;
}
.side {
  background: var(--wine);
  color: #f8efe8;
  padding: 28px 20px;
  position: sticky;
  top: 0;
  height: 100vh;
}
.side a.brand {
  color: #fff;
  text-decoration: none;
  font-size: 22px;
  font-weight: 700;
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 28px;
}
.side nav a {
  display: block;
  color: #f0d7df;
  text-decoration: none;
  padding: 8px 0;
  border-bottom: 1px solid rgba(255,255,255,0.12);
  font-family: "Microsoft YaHei", sans-serif;
}
.side nav a.current { color: #fff; font-weight: 700; }
.toc { margin-top: 28px; font-size: 13px; color: #e6c5cf; }
.toc p { margin: 0 0 8px; }
.toc a { color: #f8efe8; text-decoration: none; display: block; margin: 6px 0; }

.main { padding: 28px 36px 48px; }
.main h1 { font-size: 30px; margin: 0 0 12px; }
.lead { color: var(--mute); }
.row-btn { display: flex; flex-wrap: wrap; gap: 10px; margin: 16px 0 8px; }
.wine-btn, .plain-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  text-decoration: none;
  padding: 11px 16px;
  font-family: "Microsoft YaHei", sans-serif;
  font-weight: 700;
}
.wine-btn { background: var(--wine); color: #fff; }
.plain-btn { border: 1px solid var(--wine); color: var(--wine); }

.qa {
  background: var(--card);
  border: 1px solid var(--line);
  padding: 16px 18px;
  margin: 16px 0;
}
.qa h2 { font-size: 21px; margin: 0 0 8px; color: var(--wine); }
.qa p { margin: 0 0 8px; }

table.mini {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  font-family: "Microsoft YaHei", sans-serif;
}
table.mini th, table.mini td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
}

.more h2 { font-size: 21px; color: var(--wine); }
.more article { border-top: 1px solid var(--line); padding: 10px 0; }
.more h3 { margin: 0 0 6px; font-size: 16px; }
.more p { margin: 0; color: var(--mute); }

.footline {
  margin-top: 28px;
  padding-top: 16px;
  border-top: 2px solid var(--wine);
  font-family: "Microsoft YaHei", sans-serif;
  font-size: 13px;
  color: var(--mute);
}
.footline .safe { color: var(--ink); font-weight: 700; }

.mob { display: none; }

@media (max-width: 860px) {
  .layout { grid-template-columns: 1fr; }
  .side { position: relative; height: auto; }
  .side nav { display: none; }
  .side nav.open { display: block; }
  .toc { display: none; }
  .mob { display: inline-block; background: transparent; color: #fff; border: 1px solid #f0d7df; margin-bottom: 12px; }
  .main { padding: 20px 16px 36px; }
}