:root {
  color-scheme: light;
  --ink: #1f2421;
  --muted: #626a65;
  --quiet: #7e857f;
  --paper: #fffdfa;
  --surface: #f2f4ef;
  --line: #d8ddd6;
  --accent: #0a665e;
  --accent-soft: #e6f1ed;
  --warm: #a65238;
}

* { box-sizing: border-box; }

html { background: var(--surface); }

body {
  min-width: 320px;
  margin: 0;
  background: var(--surface);
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.8;
}

a { color: inherit; text-underline-offset: 4px; }

.geo-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 28px;
  min-height: 68px;
  padding: 10px max(24px, calc((100% - 1160px) / 2));
  border-bottom: 1px solid rgba(216, 221, 214, .92);
  background: var(--paper);
}

.geo-brand {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 10px;
  text-decoration: none;
}

.geo-brand img { display: block; border-radius: 7px; }
.geo-brand strong { font-size: 20px; line-height: 1; }

.geo-header nav {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 20px;
  min-width: 0;
  font-size: 13px;
}

.geo-header nav a {
  color: var(--muted);
  text-decoration: none;
  white-space: nowrap;
}

.geo-header nav a:hover,
.geo-header nav a[aria-current="page"] { color: var(--accent); }
.geo-header nav a[aria-current="page"] { font-weight: 750; }

.geo-main {
  width: min(100%, 1160px);
  margin: 0 auto;
  padding: 52px 24px 72px;
}

.geo-main > article {
  width: min(100%, 820px);
  margin: 0 auto;
}

.geo-intro {
  padding: 0 0 34px;
  border-bottom: 1px solid var(--line);
}

.geo-eyebrow {
  margin: 0 0 12px;
  color: var(--warm);
  font-size: 13px;
  font-weight: 800;
}

.geo-intro h1 {
  max-width: 18em;
  margin: 0;
  color: var(--ink);
  font-family: "Songti SC", STSong, SimSun, serif;
  font-size: 42px;
  font-weight: 700;
  line-height: 1.22;
  letter-spacing: 0;
}

.geo-lede {
  max-width: 46em;
  margin: 22px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.8;
}

.geo-section {
  padding: 34px 0 2px;
}

.geo-section h2,
.faq-item h2,
.geo-related h2 {
  margin: 0;
  color: var(--ink);
  font-size: 22px;
  line-height: 1.45;
  letter-spacing: 0;
}

.geo-section p,
.faq-item p {
  margin: 16px 0 0;
  color: #343a36;
  font-size: 16px;
  line-height: 1.95;
}

.geo-steps {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 8px;
  padding: 0;
  border: 1px solid var(--line);
  background: var(--line);
  list-style: none;
}

.geo-steps li {
  min-width: 0;
  padding: 20px 16px;
  background: var(--paper);
}

.geo-steps strong {
  display: block;
  color: var(--accent);
  font-size: 15px;
  line-height: 1.5;
}

.geo-steps p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.75;
}

.faq-list { margin-top: 10px; }

.faq-item {
  padding: 28px 0;
  border-bottom: 1px solid var(--line);
}

.faq-item h2 { font-size: 19px; }
.faq-item p { margin-top: 10px; }

.geo-related {
  width: min(100%, 820px);
  margin: 54px auto 0;
  padding-top: 28px;
  border-top: 1px solid var(--line);
}

.geo-related h2 { font-size: 15px; }

.geo-related > div {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin-top: 14px;
  border: 1px solid var(--line);
  background: var(--line);
}

.geo-related a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  min-height: 54px;
  padding: 12px 15px;
  background: var(--paper);
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
  text-decoration: none;
}

.geo-related a:hover { background: var(--accent-soft); }

.geo-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 24px max(24px, calc((100% - 1160px) / 2));
  border-top: 1px solid var(--line);
  background: var(--paper);
  color: var(--quiet);
  font-size: 13px;
}

.geo-footer p { margin: 0; }
.geo-footer a { color: var(--accent); font-weight: 750; }

@media (max-width: 960px) {
  .geo-header {
    align-items: flex-start;
    flex-direction: column;
    gap: 10px;
    padding: 14px 24px;
  }

  .geo-header nav {
    width: 100%;
    justify-content: flex-start;
    gap: 18px;
    overflow-x: auto;
    padding-bottom: 3px;
  }

  .geo-main { padding-top: 42px; }
  .geo-steps { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .geo-steps li:last-child { grid-column: 1 / -1; }
}

@media (max-width: 620px) {
  .geo-header { padding: 12px 16px; }
  .geo-header nav { gap: 16px; font-size: 12px; }
  .geo-main { padding: 34px 18px 52px; }
  .geo-intro { padding-bottom: 28px; }
  .geo-intro h1 { max-width: none; font-size: 32px; }
  .geo-lede { margin-top: 18px; font-size: 16px; }
  .geo-section { padding-top: 30px; }
  .geo-section h2 { font-size: 20px; }
  .geo-section p, .faq-item p { font-size: 15px; line-height: 1.9; }
  .geo-steps { grid-template-columns: 1fr; }
  .geo-steps li:last-child { grid-column: auto; }
  .geo-related > div { grid-template-columns: 1fr; }
  .geo-footer { align-items: flex-start; flex-direction: column; gap: 8px; padding: 20px 18px; }
}