:root {
  --ink: #202923;
  --muted: #69736d;
  --paper: #f5f4ef;
  --surface: #fffefa;
  --line: #e3e2d9;
  --red: #bb4939;
  --brand: #bb4939;
  --red-dark: #9c382d;
  --green: #294a3a;
  --brand-soft: #e8eee6;
  --bg: #f5f4ef;
  --faint: #858d84;
  --butter: #f1dfa6;
  --shadow: 0 18px 48px rgba(39, 48, 40, .08);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Inter, "PingFang SC", "Microsoft YaHei", ui-sans-serif, system-ui, sans-serif;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--red-dark); text-underline-offset: 3px; }
a:hover { color: var(--red); }
.wrap {
  width: min(100% - 40px, 1120px);
  margin: 0 auto;
  padding: 30px 0 68px;
}
.wrap > nav {
  display: flex;
  min-height: 62px;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0 0 30px;
  padding: 8px 0 16px;
  border-bottom: 1px solid rgba(32, 41, 35, .13);
  color: var(--muted);
  font-size: 13px;
}
.wrap > nav a {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 550;
  text-decoration: none;
  transition: color .18s ease;
}
.wrap > nav a:hover { color: var(--red); }
.wrap > nav a:first-child {
  margin-right: auto;
  color: var(--ink);
  font-weight: 750;
}
.wrap > nav a b { color: inherit; }
h1, h2, h3 {
  color: var(--ink);
  font-family: Georgia, "Songti SC", "Noto Serif CJK SC", "Times New Roman", serif;
  font-weight: 500;
  letter-spacing: -.035em;
}
h1 { margin: 0 0 10px; font-size: clamp(34px, 5vw, 52px); line-height: 1.12; }
h2 { margin-top: 28px; font-size: 25px; line-height: 1.25; }
h3 { font-size: 19px; line-height: 1.3; }
p, li { color: var(--muted); line-height: 1.85; }
p { font-size: 14px; }
.sub { max-width: 760px; color: var(--muted); font-size: 14px; line-height: 1.8; }
.card, .plan, .ticket, .reply, .stat {
  border: 1px solid var(--line);
  border-radius: 12px;
  background: var(--surface);
  box-shadow: 0 5px 20px rgba(39, 48, 40, .035);
}
.card { padding: 24px; margin-bottom: 18px; }
.card h2 { margin-top: 0; font-size: 25px; }
.plan { padding: 24px; }
.plan.hot { border: 2px solid var(--red); box-shadow: var(--shadow); }
.plan h3 { margin-top: 0; }
.plan .tag { background: var(--red); color: #fff; }
.price { color: var(--ink); font-family: Georgia, serif; }
.price small { color: var(--muted); font-family: inherit; }
.cta {
  display: block;
  border: 1px solid rgba(41, 74, 58, .14);
  border-radius: 7px;
  background: var(--brand-soft);
  color: var(--green);
  padding: 11px 14px;
  text-align: center;
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
  transition: transform .16s ease, background .16s ease;
}
.cta:hover { background: #dfe8dc; color: var(--green); transform: translateY(-1px); }
.cta.main { border-color: var(--red); background: var(--red); color: #fff; }
.cta.main:hover { background: var(--red-dark); }
button {
  border: 0;
  border-radius: 7px;
  background: var(--red);
  color: #fff;
  padding: 11px 18px;
  font: inherit;
  font-size: 13px;
  font-weight: 700;
  cursor: pointer;
  transition: transform .16s ease, background .16s ease;
}
button:hover { background: var(--red-dark); transform: translateY(-1px); }
button.secondary { background: var(--brand-soft); color: var(--green); }
button.secondary:hover { background: #dfe8dc; }
button.danger { background: #a53d32; }
button:disabled { opacity: .55; cursor: not-allowed; transform: none; }
input, select, textarea {
  border: 1px solid #d8dbd2;
  border-radius: 7px;
  background: #fffefa;
  color: var(--ink);
  font: inherit;
}
input:focus, select:focus, textarea:focus { outline: 2px solid rgba(187, 73, 57, .18); border-color: var(--red); }
label { color: var(--ink); }
.tabs { border-radius: 8px; background: #efeee7; }
.tabs button.active { color: var(--red-dark); box-shadow: 0 1px 5px rgba(39, 48, 40, .12); }
.stat { background: var(--brand-soft); text-align: center; }
.stat .num { color: var(--green); }
.stat .lbl, .hint, .ticket .meta { color: var(--faint); }
.bar { background: #e6e6dc; }
.bar i { background: var(--red); }
.kv b { color: var(--faint); }
.ticket { padding: 16px; }
.reply { background: #f1f0e9; box-shadow: none; }
.reply b { color: var(--red-dark); }
.status, .s-open, .s-pending { background: #f5ecd9; color: #8c5c1e; }
.s-replied { background: var(--brand-soft); color: var(--green); }
.s-closed, .s-approved { background: #e8eee6; color: #315b3d; }
.s-rejected { background: #f7e6e1; color: #9c382d; }
table { border-collapse: collapse; }
th, td { border-bottom: 1px solid var(--line); padding: 9px 10px; text-align: left; vertical-align: top; }
th { color: var(--muted); font-weight: 650; }
.fine { color: var(--faint); font-size: 11px; line-height: 1.8; }
.wrap > .fine { margin-top: 32px; padding-top: 18px; border-top: 1px solid var(--line); }
.details, details { color: var(--ink); }
details summary { color: var(--green); cursor: pointer; font-weight: 650; }
.cta-box, .guide-callout { border: 1px solid var(--line); border-radius: 10px; background: #eee8d9; padding: 18px 20px; }
code, pre { border-radius: 6px; background: #efeee7; color: var(--green); }
pre { overflow-x: auto; padding: 14px; }
@media (max-width: 680px) {
  .wrap { width: min(100% - 28px, 1120px); padding: 18px 0 44px; }
  .wrap > nav { gap: 9px 14px; margin-bottom: 24px; }
  .wrap > nav a { font-size: 11px; }
  .wrap > nav a:first-child { width: 100%; margin: 0 0 3px; }
  h1 { font-size: clamp(31px, 9vw, 42px); }
  h2 { font-size: 22px; }
  .card, .plan { padding: 19px; }
  .plans { grid-template-columns: 1fr !important; }
  .stats { grid-template-columns: 1fr 1fr !important; }
  .kv { grid-template-columns: 1fr; gap: 4px; }
  table { min-width: 520px; }
  .card:has(table) { overflow-x: auto; }
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { scroll-behavior: auto !important; transition: none !important; }
}