/* 静态城市页样式。与主站共用同一套设计变量，但不依赖 styles.css，
   城市页是纯静态内容，不加载 app.js。 */

:root {
  color-scheme: light;
  --ink: #1d2623;
  --muted: #66706b;
  --paper: #f5f2ea;
  --card: #fffef9;
  --line: #d9d7cd;
  --accent: #d94f31;
  --teal: #1f6f68;
  --shadow: 0 24px 70px rgba(40, 48, 43, 0.08);
  --radius: 24px;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background:
    radial-gradient(circle at 85% 4%, rgba(210, 114, 75, 0.13), transparent 24rem),
    var(--paper);
  color: var(--ink);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", system-ui, sans-serif;
  line-height: 1.6;
}

a {
  color: inherit;
}

.site-header,
main,
footer {
  width: min(880px, calc(100% - 40px));
  margin-inline: auto;
}

.site-header {
  display: flex;
  min-height: 84px;
  align-items: center;
  justify-content: space-between;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.75rem;
  font-size: 1.05rem;
  font-weight: 750;
  text-decoration: none;
}

.brand-mark {
  display: grid;
  width: 42px;
  height: 42px;
  place-items: center;
  border-radius: 50%;
  background: var(--ink);
  color: var(--paper);
  font-family: Georgia, "Times New Roman", serif;
  font-size: 1rem;
}

.repository-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  border-bottom: 1px solid currentColor;
  color: var(--muted);
  font-size: 0.9rem;
  text-decoration: none;
}

main {
  padding-bottom: 4rem;
}

.breadcrumb {
  margin: 1.5rem 0 0;
  color: var(--muted);
  font-size: 0.85rem;
}

.breadcrumb span[aria-hidden] {
  margin: 0 0.4rem;
}

h1 {
  margin: 0.75rem 0 0;
  font-family: "Songti SC", SimSun, Georgia, serif;
  font-size: clamp(2.1rem, 6vw, 3.2rem);
  font-weight: 600;
  line-height: 1.15;
}

h2 {
  margin: 3rem 0 1rem;
  font-family: "Songti SC", SimSun, Georgia, serif;
  font-size: clamp(1.35rem, 3.4vw, 1.75rem);
  font-weight: 600;
}

.lede {
  margin: 1.1rem 0 0;
  color: var(--muted);
  font-size: 1.02rem;
}

.headline-grid {
  display: grid;
  margin-top: 2rem;
  gap: 1rem;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
}

.headline-card {
  display: flex;
  flex-direction: column;
  padding: 1.35rem 1.5rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--card);
  box-shadow: var(--shadow);
}

.headline-card span {
  color: var(--muted);
  font-size: 0.8rem;
}

.headline-card strong {
  margin-top: 0.4rem;
  font-size: 2.4rem;
  font-weight: 700;
  line-height: 1.1;
}

.headline-card em {
  margin-top: 0.25rem;
  color: var(--muted);
  font-size: 0.85rem;
  font-style: normal;
}

.headline-card.tone-rising strong { color: var(--accent); }
.headline-card.tone-falling strong { color: var(--teal); }

.cta {
  margin: 2rem 0 0;
}

.cta-link {
  display: inline-block;
  padding: 0.85rem 1.4rem;
  border-radius: 999px;
  background: var(--ink);
  color: var(--paper);
  font-size: 0.95rem;
  text-decoration: none;
}

.cta-link:hover {
  background: var(--accent);
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

th,
td {
  padding: 0.7rem 0.6rem;
  border-bottom: 1px solid var(--line);
  text-align: right;
}

thead th {
  color: var(--muted);
  font-size: 0.78rem;
  font-weight: 600;
}

tbody th[scope="row"] {
  font-weight: 600;
  text-align: left;
}

.metric-table td strong {
  display: block;
  font-size: 1.05rem;
}

.metric-table td span {
  color: var(--muted);
  font-size: 0.76rem;
}

.metric-table td span.tone-rising { color: var(--accent); }
.metric-table td span.tone-falling { color: var(--teal); }

.note {
  margin: 1rem 0 0;
  color: var(--muted);
  font-size: 0.82rem;
}

.neighbour-list {
  display: flex;
  margin: 0;
  padding: 0;
  flex-wrap: wrap;
  gap: 0.6rem;
  list-style: none;
}

.neighbour-list a {
  display: inline-block;
  padding: 0.4rem 0.9rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--card);
  font-size: 0.88rem;
  text-decoration: none;
}

.neighbour-list a:hover {
  border-color: var(--ink);
}

footer {
  display: flex;
  padding: 2rem 0 3rem;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 0.82rem;
  justify-content: space-between;
  gap: 1rem;
}

footer p {
  margin: 0;
}

@media (max-width: 620px) {
  table {
    font-size: 0.84rem;
  }

  th,
  td {
    padding: 0.55rem 0.35rem;
  }

  footer {
    flex-direction: column;
  }
}