:root {
  --ink: #182126;
  --muted: #58656b;
  --paper: #ffffff;
  --canvas: #edf1f2;
  --line: #cad3d7;
  --green: #006b5f;
  --green-soft: #e1f2ee;
  --gold: #a06500;
  --gold-soft: #fff2d9;
  --red: #a33131;
  --red-soft: #fbe6e4;
  --blue: #215f8f;
  --code: #202b33;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  color: var(--ink);
  background: var(--canvas);
  font-family: "Microsoft YaHei", "PingFang SC", Arial, sans-serif;
  line-height: 1.72;
  letter-spacing: 0;
}
.page {
  width: min(1120px, calc(100% - 28px));
  margin: 20px auto 52px;
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 6px;
  overflow: hidden;
}
header {
  padding: 38px clamp(22px, 6vw, 70px) 32px;
  color: #fff;
  background: #17423d;
  border-bottom: 6px solid #e1b44f;
}
header p { max-width: 820px; margin: 10px 0 0; color: #dce9e7; }
nav { padding: 12px clamp(22px, 6vw, 70px); background: #f4f7f7; border-bottom: 1px solid var(--line); }
nav a { display: inline-block; margin: 4px 16px 4px 0; color: var(--green); font-weight: 700; text-decoration: none; }
main section { padding: 28px clamp(22px, 6vw, 70px); border-bottom: 1px solid var(--line); }
main section:last-child { border-bottom: 0; }
h1 { margin: 0; font-size: clamp(28px, 4vw, 42px); line-height: 1.25; }
h2 { margin: 0 0 12px; color: var(--green); font-size: 24px; }
h3 { margin: 22px 0 8px; font-size: 18px; }
p { margin: 8px 0 13px; }
ul, ol { margin: 10px 0; padding-left: 24px; }
li { margin: 6px 0; }
a { color: var(--blue); }
code { padding: 2px 6px; color: #fff; background: var(--code); border-radius: 3px; font-family: Consolas, monospace; }
pre { overflow: auto; padding: 16px 18px; color: #eef4f5; background: var(--code); border-radius: 5px; line-height: 1.55; }
pre code { padding: 0; }
details { margin: 14px 0; border: 1px solid var(--line); border-radius: 5px; background: #fbfcfc; }
summary { padding: 13px 16px; color: var(--green); font-weight: 700; cursor: pointer; }
details[open] summary { border-bottom: 1px solid var(--line); background: #f2f7f6; }
.detail-body { padding: 8px 16px 18px; }
.anchor-links { margin: 12px 0 0; }
.anchor-links a { display: inline-block; margin: 4px 14px 4px 0; font-weight: 700; }
.replace { padding: 12px 15px; background: #f4f7f7; border-left: 5px solid var(--blue); }
.sync { padding: 12px 15px; background: var(--gold-soft); border-left: 5px solid var(--gold); }
.do-not-touch { padding: 12px 15px; background: var(--red-soft); border-left: 5px solid var(--red); }
.function-map td:first-child { white-space: nowrap; font-weight: 700; }
.code-label { margin: 14px 0 6px; color: var(--muted); font-size: 14px; font-weight: 700; }
.verify-steps li { margin: 9px 0; }
table { width: 100%; margin: 14px 0; border-collapse: collapse; }
th, td { padding: 10px 12px; border: 1px solid var(--line); text-align: left; vertical-align: top; }
th { color: #fff; background: #315e59; }
tr:nth-child(even) td { background: #f6f8f8; }
.callout { padding: 15px 17px; background: var(--green-soft); border-left: 5px solid var(--green); }
.warn { background: var(--gold-soft); border-left-color: var(--gold); }
.danger { background: var(--red-soft); border-left-color: var(--red); }
.grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; }
.tile { padding: 16px; border: 1px solid var(--line); border-radius: 5px; background: #f7f9f9; }
.tile strong { display: block; margin-bottom: 5px; color: var(--green); }
.score { font-size: 22px; color: var(--gold); font-weight: 700; }
.checklist { list-style: none; padding-left: 0; }
.checklist li::before { content: "□ "; color: var(--green); font-weight: 700; }
.small { color: var(--muted); font-size: 14px; }
@media (max-width: 760px) {
  .grid { grid-template-columns: 1fr; }
  table { display: block; overflow-x: auto; }
  .function-map td:first-child { white-space: normal; }
  summary { padding: 12px 14px; }
  .detail-body { padding: 6px 14px 16px; }
}