:root {
  --bg: #f3f5f7;
  --panel: #ffffff;
  --panel-alt: #eff3f8;
  --text: #172030;
  --muted: #627086;
  --line: #d9e2ec;
  --accent: #0f766e;
  --accent-soft: #d7f0eb;
  --warm: #f59e0b;
  --shadow: 0 18px 40px -28px rgba(15, 23, 42, 0.28);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at top left, rgba(15, 118, 110, 0.08), transparent 28%),
    radial-gradient(circle at top right, rgba(245, 158, 11, 0.08), transparent 24%),
    var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

.page {
  width: min(1180px, calc(100vw - 40px));
  margin: 0 auto;
  padding: 40px 0 72px;
}

.page-meta {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.meta-pill {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid rgba(217, 226, 236, 0.92);
  background: rgba(255, 255, 255, 0.92);
  color: var(--muted);
  font-size: 13px;
  box-shadow: var(--shadow);
}

.hero {
  display: grid;
  grid-template-columns: 1.35fr 0.95fr;
  gap: 20px;
  align-items: stretch;
}

.hero-panel,
.summary-panel,
.region-panel,
.city-grid,
.city-detail,
.city-side {
  background: rgba(255, 255, 255, 0.88);
  border: 1px solid rgba(217, 226, 236, 0.9);
  border-radius: 24px;
  box-shadow: var(--shadow);
  backdrop-filter: blur(16px);
}

.hero-panel {
  padding: 32px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 13px;
  font-weight: 700;
}

.hero h1 {
  margin: 18px 0 10px;
  font-size: clamp(32px, 5vw, 52px);
  line-height: 1.04;
  letter-spacing: -0.03em;
}

.hero p {
  margin: 0;
  max-width: 680px;
  color: var(--muted);
  font-size: 16px;
  line-height: 1.7;
}

.search-box {
  margin-top: 22px;
  display: grid;
  grid-template-columns: 1fr auto;
  gap: 12px;
}

.search-box input {
  height: 54px;
  padding: 0 18px;
  border-radius: 16px;
  border: 1px solid var(--line);
  outline: none;
  font-size: 16px;
  background: #fff;
}

.search-box button,
.chip,
.back-link,
.city-link {
  transition: 0.2s ease;
}

.search-box button {
  padding: 0 20px;
  border: 0;
  border-radius: 16px;
  background: var(--accent);
  color: #fff;
  font-size: 15px;
  font-weight: 700;
  cursor: pointer;
}

.search-box button:hover,
.city-link:hover {
  transform: translateY(-1px);
}

.chips {
  margin-top: 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip {
  padding: 10px 14px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--text);
  font-size: 14px;
}

.chip:hover {
  border-color: rgba(15, 118, 110, 0.35);
  background: rgba(15, 118, 110, 0.05);
}

.summary-panel {
  padding: 24px;
  display: grid;
  gap: 14px;
}

.summary-panel h2,
.section-title {
  margin: 0;
  font-size: 19px;
}

.summary-list {
  display: grid;
  gap: 12px;
}

.summary-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-radius: 18px;
  background: var(--panel-alt);
}

.summary-item strong {
  font-size: 24px;
}

.content {
  margin-top: 24px;
  display: grid;
  gap: 24px;
}

.overview-strip {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
}

.overview-card {
  padding: 18px 20px;
  border-radius: 22px;
  border: 1px solid rgba(217, 226, 236, 0.9);
  background: rgba(255, 255, 255, 0.86);
  box-shadow: var(--shadow);
}

.overview-label {
  display: inline-block;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

.overview-card strong {
  display: block;
  margin-top: 10px;
  font-size: 28px;
  line-height: 1.1;
}

.overview-card p {
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.5;
}

.featured-card {
  padding: 28px 30px;
  border-radius: 24px;
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.92), rgba(10, 60, 86, 0.94));
  color: #f8fafc;
  box-shadow: 0 24px 54px -34px rgba(15, 118, 110, 0.68);
}

.featured-top {
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.featured-top h2 {
  margin: 16px 0 8px;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1;
}

.featured-top p {
  margin: 0;
  color: rgba(255, 255, 255, 0.78);
}

.featured-temp {
  font-size: 68px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
}

.featured-inline,
.city-inline {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 14px;
}

.featured-inline span,
.city-inline span {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
}

.featured-inline span {
  background: rgba(255, 255, 255, 0.14);
  color: #fff;
}

.featured-note {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  color: rgba(255, 255, 255, 0.82);
  font-size: 13px;
}

.city-inline span {
  background: rgba(15, 118, 110, 0.07);
  color: var(--muted);
}

.forecast-large,
.forecast-row,
.forecast-days,
.sibling-grid {
  display: grid;
  gap: 12px;
}

.hour-grid {
  margin-top: 16px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 12px;
}

.hour-card {
  padding: 14px 12px;
  border-radius: 18px;
  border: 1px solid rgba(217, 226, 236, 0.9);
  background: linear-gradient(180deg, #ffffff, #fbfcfe);
  display: grid;
  gap: 6px;
}

.hour-time {
  color: var(--muted);
  font-size: 12px;
}

.hour-temp {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.hour-condition {
  font-size: 13px;
  font-weight: 700;
}

.hour-meta {
  color: var(--muted);
  font-size: 12px;
}

.forecast-large {
  margin-top: 18px;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
}

.forecast-row {
  grid-template-columns: repeat(3, minmax(0, 1fr));
}

.forecast-chip,
.forecast-day,
.sibling-link {
  border-radius: 16px;
  border: 1px solid rgba(217, 226, 236, 0.9);
}

.forecast-chip {
  padding: 12px;
  background: rgba(255, 255, 255, 0.9);
  display: grid;
  gap: 6px;
}

.forecast-chip span {
  color: var(--muted);
  font-size: 12px;
}

.forecast-chip strong {
  font-size: 14px;
}

.forecast-chip small,
.forecast-day small {
  color: var(--muted);
  font-size: 12px;
}

.forecast-chip em,
.forecast-day em {
  font-style: normal;
  color: var(--muted);
  font-size: 12px;
}

.forecast-section {
  margin-top: 22px;
}

.forecast-days {
  margin-top: 16px;
}

.forecast-day {
  padding: 16px 18px;
  background: #fff;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.forecast-day span {
  color: var(--muted);
}

.sibling-grid {
  margin-top: 12px;
}

.sibling-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  background: #fff;
}

.sibling-link:hover {
  border-color: rgba(15, 118, 110, 0.34);
}

.forecast-empty {
  color: var(--muted);
  font-size: 13px;
}

.region-panel {
  padding: 22px 22px 18px;
}

.region-head,
.province-card-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.region-more,
.province-jump {
  color: var(--accent);
  font-size: 14px;
  font-weight: 700;
}

.region-more:hover,
.province-jump:hover,
.chip-link:hover {
  color: var(--accent);
}

.region-list {
  margin-top: 14px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.chip-link {
  cursor: pointer;
}

.region-board {
  margin-top: 18px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.region-card {
  padding: 16px 18px;
  border-radius: 18px;
  border: 1px solid rgba(217, 226, 236, 0.9);
  background: linear-gradient(180deg, #ffffff, #fbfcfe);
}

.region-card:hover {
  border-color: rgba(15, 118, 110, 0.34);
}

.region-card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.region-card p,
.province-meta {
  margin: 8px 0 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.6;
}

.city-grid {
  padding: 24px;
}

.city-grid-head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  align-items: end;
  margin-bottom: 18px;
}

.city-grid-head p {
  margin: 6px 0 0;
  color: var(--muted);
}

.card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 16px;
}

.city-link {
  display: grid;
  gap: 12px;
  padding: 18px;
  border-radius: 22px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff, #fbfcfe);
}

.city-link:hover {
  border-color: rgba(15, 118, 110, 0.34);
  box-shadow: 0 18px 36px -28px rgba(15, 118, 110, 0.45);
}

.city-link .tip {
  margin-top: 4px;
}

.city-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.city-stats span {
  padding: 6px 10px;
  border-radius: 999px;
  background: rgba(245, 158, 11, 0.08);
  color: #946200;
  font-size: 12px;
}

.city-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.city-name {
  font-size: 22px;
  font-weight: 700;
}

.city-temp {
  font-size: 30px;
  font-weight: 800;
  letter-spacing: -0.04em;
}

.city-meta,
.muted {
  color: var(--muted);
  font-size: 14px;
}

.tip {
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(245, 158, 11, 0.08);
  color: #9a6504;
  font-size: 14px;
}

.detail-layout {
  display: grid;
  grid-template-columns: 1.2fr 0.8fr;
  gap: 22px;
}

.city-detail,
.city-side {
  padding: 28px;
}

.back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--muted);
  font-size: 14px;
}

.back-link:hover {
  color: var(--accent);
}

.detail-hero {
  margin-top: 18px;
  display: flex;
  align-items: end;
  justify-content: space-between;
  gap: 16px;
}

.detail-temp {
  font-size: 70px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: -0.05em;
}

.detail-meta {
  margin-top: 8px;
  color: var(--muted);
}

.metric-grid {
  margin-top: 22px;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 14px;
}

.metric {
  padding: 18px;
  border-radius: 18px;
  background: var(--panel-alt);
}

.metric span {
  display: block;
  color: var(--muted);
  font-size: 13px;
  margin-bottom: 10px;
}

.metric strong {
  font-size: 24px;
}

.side-list {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.side-item {
  padding: 14px 16px;
  border-radius: 16px;
  background: var(--panel-alt);
}

.province-shell {
  display: grid;
  gap: 20px;
}

.province-header {
  padding: 28px;
  border-radius: 24px;
  border: 1px solid rgba(217, 226, 236, 0.9);
  background: linear-gradient(135deg, rgba(15, 118, 110, 0.12), rgba(255, 255, 255, 0.96));
  box-shadow: var(--shadow);
}

.province-header h1 {
  margin: 14px 0 10px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.05;
}

.province-header p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.province-tabs {
  margin-top: 0;
}

.province-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 16px;
}

.province-card {
  padding: 22px;
  border-radius: 22px;
  border: 1px solid rgba(217, 226, 236, 0.9);
  background: rgba(255, 255, 255, 0.9);
  box-shadow: var(--shadow);
}

.province-name {
  font-size: 24px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.province-city-list {
  margin-top: 16px;
  display: grid;
  gap: 10px;
}

.province-meta-row {
  margin-top: 0;
}

.province-city-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, #ffffff, #fbfcfe);
}

.province-city-item:hover {
  border-color: rgba(15, 118, 110, 0.34);
}

.empty-state {
  padding: 24px;
  border-radius: 18px;
  background: rgba(255, 255, 255, 0.8);
  color: var(--muted);
  text-align: center;
}

@media (max-width: 980px) {
  .hero,
  .detail-layout {
    grid-template-columns: 1fr;
  }

  .overview-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .forecast-row {
    grid-template-columns: 1fr;
  }

  .province-grid {
    grid-template-columns: 1fr;
  }

  .hour-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .page {
    width: min(100vw - 24px, 1180px);
    padding: 22px 0 48px;
  }

  .hero-panel,
  .summary-panel,
  .region-panel,
  .city-grid,
  .city-detail,
  .city-side {
    border-radius: 20px;
  }

  .hero-panel,
  .city-grid,
  .city-detail,
  .city-side {
    padding: 20px;
  }

  .search-box {
    grid-template-columns: 1fr;
  }

  .detail-temp {
    font-size: 52px;
  }

  .featured-card {
    padding: 22px;
  }

  .featured-top {
    align-items: start;
    flex-direction: column;
  }

  .featured-temp {
    font-size: 54px;
  }

  .overview-strip {
    grid-template-columns: 1fr;
  }

  .page-meta {
    margin-top: 14px;
  }

  .region-head,
  .province-card-head {
    align-items: start;
    flex-direction: column;
  }

  .province-header {
    padding: 22px;
  }

  .forecast-day {
    align-items: start;
    flex-direction: column;
  }

  .hour-grid {
    grid-template-columns: 1fr;
  }
}