/* 山河县记 · 市域页补充样式
 * 只补 county.css 没有的市域组件：县域卡片、市内相邻对、跨市接壤、上一市／下一市。
 * 配色仍由构建脚本注入的 --accent / --ink 等变量驱动，不新增固定色。
 */

/* ── 页首关键词 ───────────────────────────────────────── */
.city-keys {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
}
.city-keys li {
  font-size: 11px;
  letter-spacing: .14em;
  padding: 5px 11px;
  border: 1px solid color-mix(in srgb, var(--accent) 38%, var(--line));
  border-radius: 999px;
  color: var(--ink2);
}

/* ── 02 县域：县级单位卡片 ─────────────────────────────── */
.city-counties {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(210px, 1fr));
  gap: 12px;
  margin: 26px 0 22px;
}
.county-chip {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px 18px 16px;
  min-height: 132px;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: color-mix(in srgb, var(--paper) 62%, transparent);
  transition: transform .35s var(--ease), border-color .3s, background .3s, box-shadow .35s;
}
.county-chip:hover,
.county-chip:focus-visible {
  transform: translateY(-3px);
  border-color: color-mix(in srgb, var(--accent) 55%, var(--line));
  background: var(--paper);
  box-shadow: 0 22px 46px -40px var(--ink);
}
.chip-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.chip-code {
  font-family: ui-monospace, "SF Mono", Menlo, monospace;
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--ink2);
  font-variant-numeric: tabular-nums;
}
.chip-type {
  font-size: 10px;
  letter-spacing: .18em;
  padding: 3px 8px;
  border: 1px solid color-mix(in srgb, var(--accent) 45%, var(--line));
  border-radius: 999px;
  color: var(--accent-ink);
  white-space: nowrap;
}
.chip-name {
  font-family: var(--serif);
  font-size: 1.42rem;
  letter-spacing: .06em;
  line-height: 1.2;
  color: var(--ink);
}
.chip-foot {
  margin-top: auto;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--ink2);
}
.city-extremes {
  border-left: 2px solid var(--accent);
  padding: 2px 0 2px 16px;
  margin: 0 0 18px;
}
.city-extremes p { margin: 0; font-size: 13px; line-height: 1.9; color: var(--ink2); }
.city-extremes a { color: var(--accent-ink); border-bottom: 1px solid color-mix(in srgb, var(--accent) 40%, transparent); }
.city-extremes a:hover { border-bottom-color: var(--accent); }

/* ── 04 相邻：市内配对与跨市接壤 ───────────────────────── */
.edge-block { margin: 30px 0 0; }
.edge-block > .context-label { margin-bottom: 12px; }
.edge-pairs {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 0 26px;
  border-top: 1px solid var(--line);
}
.edge-pairs li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 0;
  border-bottom: 1px solid var(--line);
  font-size: 13.5px;
  min-width: 0;
}
.edge-pairs li span { color: var(--ink2); flex: none; }
.edge-pairs a {
  min-width: 0;
  overflow-wrap: anywhere;
  border-bottom: 1px solid transparent;
  transition: border-color .2s, color .2s;
}
.edge-pairs a:hover,
.edge-pairs a:focus-visible { color: var(--accent-ink); border-bottom-color: var(--accent); }

.edge-cross {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}
.edge-cross li {
  display: grid;
  grid-template-columns: minmax(120px, 168px) 72px minmax(0, 1fr);
  gap: 10px 18px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}
.edge-city {
  font-family: var(--serif);
  font-size: 1.08rem;
  letter-spacing: .05em;
  color: var(--ink);
  border-bottom: 1px solid color-mix(in srgb, var(--accent) 40%, transparent);
  justify-self: start;
}
.edge-city:hover,
.edge-city:focus-visible { color: var(--accent-ink); border-bottom-color: var(--accent); }
.edge-count {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--ink2);
  font-variant-numeric: tabular-nums;
}
.edge-names { font-size: 13px; line-height: 1.9; color: var(--ink2); }
.edge-names a { color: var(--ink); border-bottom: 1px solid transparent; }
.edge-names a:hover,
.edge-names a:focus-visible { color: var(--accent-ink); border-bottom-color: var(--accent); }

/* ── 06 资料：上一市 / 下一市 ──────────────────────────── */
.city-nav {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  margin: 32px 0 14px;
}
.city-nav a {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 16px 18px;
  min-height: 72px;
  justify-content: center;
  border: 1px solid var(--line);
  border-radius: var(--r);
  background: color-mix(in srgb, var(--paper) 55%, transparent);
  font-family: var(--serif);
  font-size: 1.15rem;
  letter-spacing: .06em;
  transition: border-color .3s, background .3s, transform .35s var(--ease);
}
.city-nav a:hover,
.city-nav a:focus-visible {
  border-color: var(--accent);
  background: var(--paper);
  transform: translateY(-2px);
}
.city-nav a span {
  font-family: var(--sans);
  font-size: 10px;
  letter-spacing: .22em;
  color: var(--accent-ink);
}
.city-nav-next { grid-column: 2; text-align: right; align-items: flex-end; }

@media (max-width: 900px) {
  .edge-cross li { grid-template-columns: minmax(0, 1fr) 72px; }
  .edge-names { grid-column: 1 / -1; }
}
@media (max-width: 560px) {
  .hero-actions { gap: 8px; }
  .hero-actions .btn { flex: 1 1 44%; justify-content: center; font-size: 13px; padding: 0 10px; }
  .city-counties { grid-template-columns: 1fr 1fr; gap: 10px; }
  .county-chip { min-height: 118px; padding: 14px; }
  .chip-name { font-size: 1.2rem; }
  .edge-pairs { grid-template-columns: 1fr; }
  .city-nav { grid-template-columns: 1fr; }
  .city-nav-next { grid-column: 1; text-align: left; align-items: flex-start; }
}

@media (prefers-reduced-motion: reduce) {
  .county-chip, .city-nav a { transition: none; }
}