:root {
  --bg: #f3f7f4;
  --paper: #ffffff;
  --ink: #1c2b24;
  --muted: #5d6e66;
  --line: #d5e4db;
  --green: #1f6b4a;
  --green-dark: #16553a;
  --green-soft: #e7f3ec;
  --gold: #c4a35a;
  --warn-bg: #fdf6e6;
  --warn-line: #e8d5a0;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", sans-serif;
  background:
    radial-gradient(1200px 500px at 10% -10%, #dceee4 0%, transparent 55%),
    linear-gradient(180deg, #eef5f0 0%, var(--bg) 40%);
  color: var(--ink);
  min-height: 100vh;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--green); }
header {
  max-width: 1080px;
  margin: 0 auto;
  padding: 22px 20px 0;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-weight: 700;
  font-size: 22px;
  color: var(--green-dark);
  text-decoration: none;
}
.brand span { font-size: 13px; color: var(--muted); font-weight: 500; }
.pill {
  font-size: 12px;
  color: var(--green);
  background: var(--green-soft);
  border: 1px solid #b7d6c6;
  border-radius: 999px;
  padding: 5px 10px;
}
.hero { max-width: 1080px; margin: 0 auto; padding: 36px 20px 10px; }
h1 { font-size: clamp(26px, 4vw, 40px); letter-spacing: .02em; margin-bottom: 10px; }
.lead { color: var(--muted); max-width: 680px; line-height: 1.75; font-size: 15px; }
.grid {
  max-width: 1080px;
  margin: 0 auto;
  padding: 28px 20px 64px;
  display: grid;
  grid-template-columns: 1.25fr .75fr;
  gap: 16px;
  align-items: start;
}
.wrap { max-width: 860px; margin: 0 auto; padding: 24px 20px 64px; }
@media (max-width: 860px) { .grid { grid-template-columns: 1fr; } }
.card {
  background: var(--paper);
  border: 1px solid var(--line);
  border-radius: 16px;
  padding: 20px;
  box-shadow: 0 10px 30px rgba(28, 43, 36, .04);
}
.card + .card { margin-top: 16px; }
h2 { font-size: 16px; margin-bottom: 14px; }
h3 { font-size: 15px; margin: 20px 0 8px; color: var(--green-dark); }
p { line-height: 1.8; font-size: 14px; color: var(--muted); }
p + p { margin-top: 10px; }
.dl { display: grid; gap: 10px; }
.item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfdfb;
}
.item b { display: block; font-size: 14px; }
.item small { color: var(--muted); line-height: 1.6; display: block; margin-top: 2px; }
.btn {
  display: inline-block;
  text-decoration: none;
  background: var(--green);
  color: #fff;
  font-weight: 700;
  font-size: 13px;
  padding: 8px 14px;
  border-radius: 8px;
  white-space: nowrap;
}
.btn:hover { background: var(--green-dark); }
.btn.ghost { background: #fff; color: var(--green-dark); border: 1px solid #b7d6c6; }
.kv { display: grid; gap: 8px; font-size: 13px; }
.kv div {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  background: var(--green-soft);
  border-radius: 8px;
  padding: 8px 10px;
}
code, .mono {
  font-family: ui-monospace, Consolas, monospace;
  font-size: 12px;
  word-break: break-all;
}
code {
  background: var(--green-soft);
  border-radius: 4px;
  padding: 1px 5px;
}
pre {
  background: #10201a;
  color: #d6e8de;
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  font-family: ui-monospace, Consolas, monospace;
  font-size: 12.5px;
  line-height: 1.75;
  margin: 10px 0;
}
pre code { background: none; color: inherit; padding: 0; font-size: inherit; }
ol, ul { padding-left: 20px; color: var(--muted); line-height: 1.9; font-size: 14px; }
ol li + li, ul li + li { margin-top: 4px; }
ol b, ul b, p b { color: var(--ink); }
.note {
  background: var(--green-soft);
  border-left: 3px solid var(--green);
  border-radius: 0 8px 8px 0;
  padding: 12px 14px;
  margin: 14px 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink);
}
.warn {
  background: var(--warn-bg);
  border-left: 3px solid var(--gold);
  border-radius: 0 8px 8px 0;
  padding: 12px 14px;
  margin: 14px 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--ink);
}
table { width: 100%; border-collapse: collapse; font-size: 13.5px; margin: 12px 0; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--green-dark); font-size: 13px; background: #fbfdfb; }
td { color: var(--muted); line-height: 1.7; }
td b { color: var(--ink); }
.toc { display: grid; gap: 10px; }
.toc a {
  display: block;
  text-decoration: none;
  color: inherit;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fbfdfb;
}
.toc a:hover { border-color: var(--green); background: var(--green-soft); }
.toc b { display: block; font-size: 14.5px; color: var(--green-dark); }
.toc small { color: var(--muted); font-size: 13px; line-height: 1.6; display: block; margin-top: 3px; }
.back { display: inline-block; font-size: 13px; text-decoration: none; margin-bottom: 14px; }
footer {
  max-width: 1080px;
  margin: 0 auto 28px;
  padding: 0 20px;
  color: var(--muted);
  font-size: 12px;
}
.copy { border: 0; background: transparent; color: var(--green); cursor: pointer; font-size: 12px; }
.steps { counter-reset: s; list-style: none; padding-left: 0; }
.steps > li {
  counter-increment: s;
  position: relative;
  padding-left: 38px;
  margin-bottom: 18px;
}
.steps > li::before {
  content: counter(s);
  position: absolute;
  left: 0; top: 0;
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--green);
  color: #fff;
  font-size: 13px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
}
.steps > li > b { display: block; color: var(--ink); font-size: 14.5px; margin-bottom: 4px; }