:root {
  --paper: #f3efe6;
  --paper-2: #fffdf8;
  --ink: #1c1712;
  --muted: #6d645b;
  --faint: #94897d;
  --line: #e3d9cb;
  --seal: #8e3428;
  --seal-soft: rgba(142, 52, 40, 0.08);
  --shadow: 0 18px 40px rgba(48, 32, 16, 0.06);
  --serif: "Iowan Old Style", "Palatino Linotype", Palatino, "Songti SC", "Noto Serif CJK SC", serif;
  --sans: "PingFang SC", "Hiragino Sans GB", "Noto Sans CJK SC", "Microsoft YaHei", sans-serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(1200px 480px at 50% -120px, rgba(142, 52, 40, 0.06), transparent 60%),
    var(--paper);
  color: var(--ink);
  font-family: var(--sans);
  line-height: 1.7;
  min-height: 100vh;
}
a { color: inherit; }

.wrap {
  width: min(1080px, calc(100% - 40px));
  margin: 0 auto;
}

.top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 28px 0 8px;
  font-size: 14px;
  letter-spacing: 0.08em;
}
.brand {
  font-family: var(--serif);
  font-size: 20px;
  letter-spacing: 0.18em;
  text-decoration: none;
}
.top nav {
  display: flex;
  gap: 18px;
  color: var(--muted);
}
.top nav a { text-decoration: none; }
.top nav a:hover { color: var(--ink); }

.hero {
  padding: 48px 0 20px;
  max-width: 760px;
}
.kicker {
  margin: 0 0 14px;
  color: var(--seal);
  font-size: 13px;
  letter-spacing: 0.22em;
}
h1 {
  margin: 0 0 18px;
  font-family: var(--serif);
  font-weight: 600;
  font-size: clamp(40px, 6vw, 64px);
  line-height: 1.12;
  letter-spacing: 0.04em;
}
.lede {
  margin: 0;
  font-size: 17px;
  color: var(--ink);
}
.lede + .lede { margin-top: 14px; color: var(--muted); }

.method-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 26px;
  padding: 10px 16px;
  border: 1px solid var(--ink);
  text-decoration: none;
  letter-spacing: 0.08em;
  font-size: 14px;
}
.method-link:hover { background: var(--ink); color: var(--paper); }

.groups { padding: 28px 0 72px; }
.group { margin-top: 42px; }
.group-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
  margin-bottom: 16px;
}
.group h2 {
  margin: 0;
  font-family: var(--serif);
  font-size: 22px;
  font-weight: 600;
  letter-spacing: 0.12em;
}
.group-note { color: var(--faint); font-size: 13px; }

.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 14px;
}
.card {
  display: flex;
  flex-direction: column;
  min-height: 168px;
  padding: 18px 18px 16px;
  background: var(--paper-2);
  border: 1px solid var(--line);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: transform 0.18s ease, border-color 0.18s ease;
}
.card:hover {
  transform: translateY(-2px);
  border-color: #c9b8a4;
}
.card-name {
  font-family: var(--serif);
  font-size: 28px;
  letter-spacing: 0.08em;
}
.card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  flex: 1;
}
.card-status {
  margin-top: 16px;
  color: var(--faint);
  font-size: 12px;
  letter-spacing: 0.12em;
}

.page {
  padding-bottom: 80px;
}
.crumb {
  margin: 18px 0 0;
  color: var(--faint);
  font-size: 13px;
}
.crumb a { color: var(--muted); }
h1.page-title {
  font-size: clamp(42px, 7vw, 72px);
  margin-top: 8px;
}
.ask {
  font-family: var(--serif);
  font-size: 22px;
  margin: 0 0 28px;
}

.panel {
  background: var(--paper-2);
  border: 1px solid var(--line);
  padding: 22px 22px 8px;
  margin: 18px 0 28px;
}
.panel h2, .block h2 {
  font-family: var(--serif);
  font-size: 18px;
  letter-spacing: 0.12em;
  font-weight: 600;
  margin: 0 0 8px;
}
.panel ol, .block ol, .block ul {
  margin: 0 0 16px;
  padding-left: 1.2em;
}
.panel li, .block li { margin: 6px 0; }
.hint { color: var(--muted); font-size: 14px; }

.empty {
  border: 1px dashed #cfc3b2;
  background: var(--seal-soft);
  padding: 28px 22px;
}
.empty strong {
  display: block;
  font-family: var(--serif);
  font-size: 20px;
  font-weight: 600;
  margin-bottom: 8px;
}
.fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 8px;
  margin-top: 16px;
}
.fields span {
  border: 1px solid var(--line);
  background: var(--paper-2);
  padding: 8px 10px;
  font-size: 13px;
  letter-spacing: 0.06em;
}

.steps {
  display: grid;
  gap: 12px;
  margin-top: 8px;
}
.step {
  display: grid;
  grid-template-columns: 72px 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}
.step b {
  font-family: var(--serif);
  font-size: 28px;
  font-weight: 600;
  color: var(--seal);
}
.step h3 { margin: 0 0 4px; font-size: 18px; font-family: var(--serif); font-weight: 600; }
.step p { margin: 0; color: var(--muted); }

footer {
  border-top: 1px solid var(--line);
  color: var(--faint);
  font-size: 13px;
  padding: 22px 0 40px;
}

@media (max-width: 640px) {
  .wrap { width: min(100% - 28px, 1080px); }
  .top nav { gap: 12px; }
  .step { grid-template-columns: 48px 1fr; }
}