:root {
  --orange: #ff7b00;
  --ink: #1f2937;
  --ink-strong: #111827;
  --ink-dim: #6b7280;
  --line: #ececf0;
  --bg: #ffffff;
  --surface: #fafafb;
}
* { margin: 0; padding: 0; box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
body {
  background: var(--bg);
  color: var(--ink);
  font-family: -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
  font-size: 15px;
  line-height: 1.75;
  -webkit-text-size-adjust: 100%;
}
a { color: var(--orange); }

.top {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--line);
}
.top .app { font-size: 13px; color: var(--ink-dim); }
.top h1 { font-size: 21px; font-weight: 700; color: var(--ink-strong); margin-top: 2px; }
.top .meta { font-size: 12px; color: var(--ink-dim); margin-top: 6px; }

.wrap { padding: 18px 20px 8px; max-width: 760px; margin: 0 auto; }

.lede {
  background: var(--surface);
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: 10px;
  padding: 12px 14px;
  font-size: 14px;
  color: #374151;
  margin-bottom: 22px;
}

section { margin-bottom: 26px; }
section h2 {
  font-size: 16px;
  font-weight: 700;
  color: var(--orange);
  margin-bottom: 10px;
}
section h3 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-strong);
  margin: 14px 0 6px;
}
section h4 {
  font-size: 14px;
  font-weight: 600;
  color: var(--ink-strong);
  margin: 14px 0 6px;
  padding-left: 10px;
  border-left: 2px solid #ffd9ab;
}
section p { font-size: 14px; margin-bottom: 8px; }

.sign {
  margin: 26px 0 4px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 13px;
  color: var(--ink-dim);
  text-align: right;
  line-height: 1.9;
}
section p.i { padding-left: 22px; }
section p b.n { font-weight: 700; margin-right: 4px; }
section ul { list-style: none; margin: 4px 0 8px; }
section li {
  font-size: 14px;
  padding-left: 16px;
  position: relative;
  margin-bottom: 6px;
}
section li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 10px;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--orange);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
  margin: 8px 0 10px;
}
th, td {
  border: 1px solid var(--line);
  padding: 8px 10px;
  text-align: left;
  vertical-align: top;
}
th { background: var(--surface); font-weight: 600; color: var(--ink-strong); }

.kv { display: flex; gap: 12px; padding: 9px 0; border-bottom: 1px solid var(--line); font-size: 14px; }
.kv:last-child { border-bottom: none; }
.kv dt { flex: 0 0 76px; color: var(--ink-dim); }
.kv dd { flex: 1; word-break: break-all; }
.kv dd a { text-decoration: none; }

.foot {
  padding: 18px 20px 30px;
  text-align: center;
  font-size: 12px;
  color: #9ca3af;
  line-height: 1.9;
  border-top: 1px solid var(--line);
  margin-top: 16px;
}
.foot a { color: #9ca3af; }