:root {
  --green: #2e7d4f;
  --green-soft: #43a068;
  --green-light: #e8f5ec;
  --gold: #d4a843;
  --gold-soft: #f0d68a;
  --ink: #1a2b22;
  --muted: #6b7c72;
  --bg: #faf8f5;
  --card: #ffffff;
  --line: #e8e4df;
  --gray-city: #c8cfd8;
  --gray-border: #aab2bf;
  --gray-hover: #b6bdc8;
  --heat-red: #e53935;
  --heat-orange: #fb8c00;
  --heat-yellow: #fdd835;
  --heat-green: #43a068;
  --heat-blue: #1e88e5;
}

*, *::before, *::after { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Microsoft YaHei", "PingFang SC", "Segoe UI", system-ui, sans-serif;
  color: var(--ink);
  background: var(--bg);
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; }

/* ================================================================
   HEADER
   ================================================================ */
.site-header {
  display: flex;
  align-items: center;
  padding: 0 28px;
  height: 56px;
  background: #fff;
  border-bottom: 1px solid var(--line);
  position: relative;
  z-index: 20;
}
.brand { display: flex; align-items: center; gap: 10px; flex-shrink: 0; flex: 1; }
.brand-logo {
  width: 32px; height: 32px;
  background: linear-gradient(135deg, var(--green), var(--green-soft));
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  color: #fff; font-size: 18px; font-weight: bold;
}
.brand-logo-img {
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: block;
  object-fit: cover;
  flex-shrink: 0;
}
.brand-text { display: flex; flex-direction: column; line-height: 1.2; }
.brand h1 {
  margin: 0; font-size: 1.1rem; color: var(--green);
  letter-spacing: 0.5px; font-weight: 700;
}
.brand .tagline {
  margin: 0; font-size: 0.68rem; color: var(--muted);
  letter-spacing: 1px;
}

.header-search {
  position: relative;
  flex-shrink: 0;
}
.header-search input {
  padding: 7px 14px 7px 32px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: var(--bg);
  font-size: 0.85rem;
  width: 200px;
  outline: none;
  transition: border-color 0.2s, width 0.2s;
}
.header-search input:focus { border-color: var(--green-soft); width: 260px; }
.header-search::before {
  content: "🔍";
  position: absolute;
  left: 10px; top: 50%;
  transform: translateY(-50%);
  font-size: 0.8rem;
  opacity: 0.5;
}

.header-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  flex: 1;
  justify-content: flex-end;
}
.header-nav a, .header-nav button {
  padding: 6px 14px;
  border-radius: 18px;
  border: none;
  background: transparent;
  color: var(--muted);
  font-size: 0.85rem;
  cursor: pointer;
  transition: background 0.15s, color 0.15s;
  white-space: nowrap;
}
.header-nav a:hover, .header-nav button:hover {
  background: var(--green-light);
  color: var(--green);
}
.lang-toggle {
  padding: 6px 14px;
  border-radius: 18px;
  border: 1px solid var(--green-soft);
  background: var(--green);
  color: #fff;
  font-size: 0.85rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 0.15s;
  white-space: nowrap;
}
.lang-toggle:hover {
  background: var(--green-soft);
}
.header-nav .lang-toggle {
  border: 1px solid var(--green-soft);
  background: var(--green);
  color: #fff;
  font-weight: 600;
}
.header-nav button.lang-toggle:hover {
  background: var(--green-soft);
  color: #fff;
}

/* ================================================================
   MAP PAGE (Level 1)
   ================================================================ */
body.page-index {
  height: 100vh;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: #f8f5f0;
}
body.page-index .site-header {
  flex-shrink: 0;
}

.map-wrap {
  position: relative;
  flex: 1;
  min-height: 0;
  background: radial-gradient(ellipse at 50% 40%, #f0ece6 0%, #e8e2da 50%, #ddd5cb 100%);
}
#chinaMap {
  width: 100%;
  height: 100%;
}

/* ---- Map controls ---- */
.map-controls {
  position: absolute;
  right: 18px;
  top: 18px;
  display: flex;
  flex-direction: column;
  gap: 6px;
  z-index: 10;
}
.map-controls button {
  width: 36px; height: 36px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--ink);
  font-size: 1.2rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  box-shadow: 0 2px 6px rgba(0,0,0,0.08);
  transition: background 0.15s;
}
.map-controls button:hover { background: var(--green-light); }

/* ---- Legend ---- */
.legend {
  position: absolute;
  left: 18px;
  bottom: 18px;
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 14px 16px;
  font-size: 0.8rem;
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 12px rgba(0,0,0,0.06);
  z-index: 10;
}
.legend-title {
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--ink);
  font-size: 0.85rem;
}
.legend-row {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 4px 0;
  color: var(--muted);
}
.swatch {
  width: 20px; height: 14px;
  border-radius: 3px;
  display: inline-block;
  flex-shrink: 0;
}
.sw-red { background: var(--heat-red); }
.sw-orange { background: var(--heat-orange); }
.sw-yellow { background: var(--heat-yellow); }
.sw-green { background: var(--heat-green); }
.sw-blue { background: var(--heat-blue); }
.sw-gray { background: var(--gray-city); }

/* ---- Tip box ---- */
.map-tip {
  position: absolute;
  left: 50%;
  bottom: 18px;
  transform: translateX(-50%);
  background: rgba(255,255,255,0.92);
  border: 1px solid var(--line);
  border-radius: 20px;
  padding: 8px 20px;
  font-size: 0.8rem;
  color: var(--muted);
  backdrop-filter: blur(6px);
  box-shadow: 0 2px 8px rgba(0,0,0,0.05);
  z-index: 10;
  white-space: nowrap;
}

.map-error {
  color: var(--muted);
  text-align: center;
  padding-top: 40px;
  font-size: 0.95rem;
}
.map-loading {
  display: flex;
  width: 100%;
  height: 100%;
  min-height: 380px;
  align-items: center;
  justify-content: center;
  color: var(--muted);
  font-size: 0.9rem;
}
.map-load-button {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 10px 18px;
  border: 1px solid var(--green-soft);
  border-radius: 22px;
  background: var(--card);
  color: var(--green);
  font: inherit;
  font-size: 0.9rem;
  cursor: pointer;
}
.map-load-button:hover { background: var(--green-light); }

/* ================================================================
   HOVER CARD
   ================================================================ */
.hover-card {
  position: fixed;
  width: 380px;
  background: #fff;
  border-radius: 16px;
  box-shadow: 0 12px 48px rgba(0,0,0,0.18);
  overflow: hidden;
  z-index: 1000;
  pointer-events: none;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.15s ease, transform 0.15s ease;
}
.hover-card.visible { opacity: 1; transform: translateY(0); }

.hover-card-header {
  background: linear-gradient(135deg, var(--green), #1a5c36);
  color: #fff;
  padding: 14px 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}
.hover-card-title {
  display: flex;
  align-items: baseline;
  gap: 8px;
  min-width: 0;
}
.hover-card-header .city-name {
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: 0.5px;
  white-space: nowrap;
}
.hover-card-header .province-text {
  font-size: 0.88rem;
  opacity: 0.85;
  white-space: nowrap;
}
.hover-card-header .heat-badge {
  padding: 5px 14px;
  border-radius: 14px;
  font-size: 0.85rem;
  font-weight: 600;
  flex-shrink: 0;
  white-space: nowrap;
}
.heat-badge-high { background: rgba(229,57,53,0.85); }
.heat-badge-mid { background: rgba(251,140,0,0.85); }
.heat-badge-low { background: rgba(67,160,104,0.85); }
.heat-badge-none { background: rgba(200,207,216,0.7); }

.hover-card-body {
  padding: 16px 20px;
}
.hover-card-content {
  display: flex;
  align-items: center;
  gap: 16px;
}
.hover-card-img-placeholder {
  width: 100px;
  height: 100px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--green-light), #c8e6cf);
  flex-shrink: 0;
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.2rem;
  color: var(--green-soft);
}
.hover-card-img-placeholder img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.hover-card-info {
  flex: 1;
  min-width: 0;
}
.hover-card-info .info-section {
  margin-bottom: 8px;
}
.hover-card-info .info-section:last-child {
  margin-bottom: 0;
}
.hover-card-info .info-label {
  font-size: 0.85rem;
  color: var(--green);
  font-weight: 600;
  margin-bottom: 3px;
}
.hover-card-info .info-text {
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.5;
}

.hover-card-rating {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}
.hover-card-rating .rating-label {
  font-size: 0.82rem;
  color: var(--muted);
  font-weight: 600;
}
.hover-card-rating .rating-stars {
  display: flex;
  gap: 2px;
}
.hover-card-rating .star {
  font-size: 1rem;
  color: #ddd;
}
.hover-card-rating .star.active {
  color: #f5a623;
}

.hover-card-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 12px 20px 14px;
  font-size: 0.95rem;
  font-weight: 600;
  text-align: center;
  border-top: 1px solid var(--line);
  text-decoration: none;
  cursor: pointer;
}
.hover-card-footer.has-data { color: var(--green); }
.hover-card-footer.no-data { color: #b0894d; }
.hover-card-footer .arrow { font-size: 1.1rem; }

/* ================================================================
   HOT CITIES FLOATING BAR
   ================================================================ */
.hot-cities-bar {
  position: absolute;
  right: 20px;
  top: 50%;
  transform: translateY(-50%);
  width: 260px;
  background: rgba(255,255,255,0.95);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px 14px 14px;
  backdrop-filter: blur(8px);
  box-shadow: 0 4px 20px rgba(0,0,0,0.06);
  z-index: 10;
}
.hot-cities-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 12px;
}
.hot-cities-header h2 {
  margin: 0;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--ink);
}
.shuffle-btn {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  font-size: 0.75rem;
  cursor: pointer;
  transition: border-color 0.15s, color 0.15s;
}
.shuffle-btn:hover {
  border-color: var(--green);
  color: var(--green);
}
.shuffle-icon {
  display: inline-block;
  transition: transform 0.3s;
}
.shuffle-btn:hover .shuffle-icon {
  transform: rotate(180deg);
}

.hot-cities-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}
.hot-city-card {
  background: #fff;
  border: 1px solid var(--line);
  border-radius: 10px;
  overflow: hidden;
  cursor: pointer;
  transition: transform 0.2s, box-shadow 0.2s;
  display: flex;
  align-items: center;
  gap: 10px;
}
.hot-city-card:hover {
  transform: translateX(-3px);
  box-shadow: 0 6px 20px rgba(0,0,0,0.1);
}
.hot-city-card-img {
  width: 72px;
  height: 72px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 6px;
  font-size: 1.5rem;
  color: #fff;
  background: linear-gradient(135deg, var(--green-light), #d4eadd);
}
.hot-city-card-body {
  padding: 6px 10px 6px 0;
  text-align: left;
  flex: 1;
  min-width: 0;
}
.hot-city-card-name {
  margin: 0 0 3px;
  font-size: 0.88rem;
  font-weight: 600;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.hot-city-card-heat {
  font-size: 0.72rem;
  font-weight: 500;
}
.heat-level-very-high { color: #e53935; }
.heat-level-high { color: #fb8c00; }
.heat-level-mid-high { color: #b8860b; }
.heat-level-mid-low { color: #43a068; }
.heat-level-low { color: #1e88e5; }

/* ================================================================
   CITY DETAIL PAGE (Level 2)
   ================================================================ */
body.page-city { background: var(--bg); }

.city-topbar {
  border-bottom: 1px solid var(--line);
  display: flex;
  align-items: center;
  padding: 0 20px;
  gap: 16px;
}
.city-topbar-left {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.city-topbar .brand-link { display: flex; }
.city-topbar .back-btn {
  padding: 6px 14px;
  border-radius: 16px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.82rem;
  transition: all 0.2s;
  white-space: nowrap;
}
.city-topbar .back-btn:hover { border-color: var(--green); color: var(--green); }

.city-topbar-center {
  flex: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-width: 0;
}
.topbar-city-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}
.topbar-province {
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}
.topbar-transport {
  display: flex;
  align-items: center;
  gap: 6px;
}
.topbar-share {
  padding: 5px 12px;
  border-radius: 14px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.78rem;
  transition: all 0.2s;
  white-space: nowrap;
}
.topbar-share:hover { border-color: var(--green); color: var(--green); }

.city-topbar-right {
  flex-shrink: 0;
}

/* The detail page keeps its title centered independently of the back button width. */
.attraction-topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto minmax(0, 1fr);
  gap: 8px;
}
.attraction-topbar .city-topbar-left { grid-column: 1; }
.attraction-topbar .city-topbar-center {
  grid-column: 2;
  justify-self: center;
  max-width: 52vw;
}
.attraction-topbar .city-topbar-right {
  grid-column: 3;
  justify-self: end;
}
.topbar-attraction-name {
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  color: var(--ink);
  font-size: 1.05rem;
  font-weight: 700;
  text-align: center;
}

.city-page { max-width: 1400px; margin: 0 auto; padding: 0 24px 60px; }

.back-btn {
  padding: 8px 18px;
  border-radius: 20px;
  border: 1px solid var(--line);
  background: #fff;
  color: var(--muted);
  cursor: pointer;
  font-size: 0.85rem;
  transition: all 0.2s;
  display: flex; align-items: center; gap: 4px;
}
.back-btn:hover { border-color: var(--green); color: var(--green); }

/* ---- Transport tags ---- */
.transport-tags,
.topbar-transport {
  display: flex;
  align-items: center;
  gap: 6px;
}
.transport-item {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-size: 0.8rem;
  padding: 3px 10px;
  border-radius: 14px;
  white-space: nowrap;
}
.transport-available {
  color: var(--green);
  background: var(--green-light);
}
.transport-unavailable {
  color: #bbb;
  background: #f5f5f5;
}

/* ---- City lead (intro.highlights) ---- */
.city-lead {
  margin: 20px 0 0;
  padding: 16px 20px;
  background: var(--green-light);
  border-left: 4px solid var(--green);
  border-radius: 0 10px 10px 0;
  color: var(--ink);
  font-size: 0.95rem;
  line-height: 1.75;
}

/* ---- Section titles ---- */
.section-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0;
  font-size: 1.15rem;
  color: var(--ink);
  font-weight: 700;
}
.section-title .icon-bar {
  width: 4px;
  height: 20px;
  border-radius: 2px;
  background: var(--green);
  flex-shrink: 0;
}
.section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin: 28px 0 14px;
}
.section-more {
  font-size: 0.82rem;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.15s;
}
.section-more:hover { color: var(--green); }

/* ---- City intro text block ---- */
.intro-text-block {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 12px;
  padding: 20px 24px;
}
.intro-text-block p {
  margin: 0 0 10px;
  font-size: 0.9rem;
  color: var(--ink);
  line-height: 1.8;
}
.intro-text-block p:last-child {
  margin-bottom: 0;
}
.intro-text-block p strong {
  color: var(--green);
}

/* ---- Attractions: card with main image + info + thumbnails ---- */
.attraction-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 16px;
  margin-bottom: 16px;
}
.attraction-main-img {
  width: 220px;
  height: 180px;
  flex-shrink: 0;
  border-radius: 10px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--green-light), #d4eadd);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 10px;
}
.attraction-info {
  flex: 1;
  min-width: 0;
}
.attraction-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
}
.attraction-head h3 {
  margin: 0;
  font-size: 1.1rem;
  color: var(--ink);
}
.attraction-desc {
  margin: 0 0 8px;
  font-size: 0.85rem;
  color: #4a5a50;
  line-height: 1.6;
}
.attraction-tip {
  margin: 0 0 8px;
  padding: 7px 10px;
  border-radius: 6px;
  background: var(--green-light);
  font-size: 0.8rem;
  color: #3d5a49;
  line-height: 1.55;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.attraction-tip .meta-label {
  color: var(--green);
  font-weight: 600;
}
.attraction-meta {
  list-style: none;
  margin: 0;
  padding: 0;
}
.attraction-meta li {
  font-size: 0.82rem;
  color: var(--muted);
  line-height: 1.8;
}
.attraction-meta .meta-label {
  font-weight: 600;
  color: var(--ink);
}
.attraction-thumbs {
  display: flex;
  flex-direction: row;
  gap: 6px;
  flex-shrink: 0;
}
.attraction-thumb {
  width: 160px;
  height: 130px;
  border-radius: 6px;
  overflow: hidden;
  background: linear-gradient(135deg, var(--green-light), #d4eadd);
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 8px;
}

/* Text placeholder shown when no real image exists for a slot. */
.ph-label {
  display: block;
  max-width: 100%;
  font-size: 0.82rem;
  line-height: 1.4;
  font-weight: 600;
  color: var(--green);
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  word-break: break-word;
}
.attraction-thumb .ph-label { font-size: 0.72rem; }
.food-item-img .ph-label { font-size: 0.78rem; }
.hot-city-card-img .ph-label { font-size: 0.72rem; color: var(--green); }
.hot-city-card-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.rating-row {
  display: flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.stars { color: var(--gold); letter-spacing: 1px; font-size: 0.85rem; }
.rating { color: var(--green); font-weight: 700; font-size: 0.88rem; }

/* ---- Foods: horizontal row ---- */
.foods-row {
  display: flex;
  gap: 16px;
  overflow-x: auto;
  padding-bottom: 4px;
}
.food-item {
  flex-shrink: 0;
  width: 140px;
  text-align: center;
}
.food-item-img {
  width: 140px;
  height: 140px;
  border-radius: 12px;
  overflow: hidden;
  background: linear-gradient(135deg, #fef9e7, #f9e4b7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.8rem;
  color: var(--green-soft);
}
.food-item-name {
  margin-top: 8px;
  font-size: 0.85rem;
  font-weight: 500;
  color: var(--ink);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.food-item-price {
  margin-top: 3px;
  font-size: 0.72rem;
  color: var(--green);
  font-weight: 600;
}
.food-item-desc {
  margin-top: 3px;
  font-size: 0.72rem;
  color: var(--muted);
  line-height: 1.35;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 2.7em;
}
.food-item-rating {
  margin-top: 3px;
  font-size: 0.75rem;
  color: var(--gold);
  font-weight: 600;
}

.attraction-main-img img,
.attraction-thumb img,
.food-item-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---- Culture: side image + text ---- */
.culture-section {
  display: flex;
  gap: 20px;
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  overflow: hidden;
  margin-top: 10px;
}
.culture-img {
  width: 260px;
  min-height: 200px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 2.5rem;
  color: var(--green-soft);
  background: linear-gradient(135deg, #e8f0e4, #c5d9be);
}
.culture-body {
  flex: 1;
  padding: 20px 20px 20px 0;
}
.culture-body .section-title { margin-top: 0; }
.culture-body p {
  margin: 0;
  line-height: 1.8;
  font-size: 0.88rem;
  color: #4a5a50;
}

/* ---- City footer ---- */
.city-footer {
  text-align: center;
  margin-top: 40px;
  padding-top: 20px;
  border-top: 1px solid var(--line);
}
.site-footer {
  text-align: center;
  padding: 22px 16px 28px;
  color: var(--muted);
  font-size: 0.78rem;
  line-height: 1.6;
  border-top: 1px solid var(--line);
  margin-top: 36px;
}

/* ---- Not found ---- */
.not-found {
  text-align: center;
  padding: 100px 20px;
}
.not-found h1 { font-size: 3.5rem; color: var(--green); margin: 0 0 10px; }
.not-found p { color: var(--muted); margin-bottom: 24px; }
.back-link {
  display: inline-block;
  padding: 10px 24px;
  background: var(--green);
  color: #fff;
  border-radius: 20px;
  transition: background 0.2s;
}
.back-link:hover { background: var(--green-soft); }

/* ================================================================
   SEARCH FEEDBACK / A11Y
   ================================================================ */
.sr-only {
  position: absolute;
  width: 1px; height: 1px;
  padding: 0; margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}
.search-status {
  position: absolute;
  top: 12px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 15;
  padding: 8px 16px;
  border-radius: 16px;
  background: rgba(26, 43, 34, 0.9);
  color: #fff;
  font-size: 0.82rem;
  opacity: 0;
  transition: opacity 0.2s;
  pointer-events: none;
}
.search-status:not(:empty) { opacity: 1; }

a:focus-visible,
button:focus-visible {
  outline: 2px solid var(--green);
  outline-offset: 2px;
}
.header-search input:focus-visible {
  outline: 2px solid var(--green-soft);
  outline-offset: 2px;
}
[data-placeholder] { cursor: default; }

/* ---- Breadcrumbs, city directory and related cities ---- */
.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  margin: 0 0 18px;
  color: var(--muted);
  font-size: 0.8rem;
}
.breadcrumb a { color: var(--green); }
.breadcrumb a:hover { text-decoration: underline; }
.breadcrumb span[aria-current="page"] { color: var(--muted); }
.city-directory-intro {
  margin-bottom: 18px;
  color: var(--muted);
  line-height: 1.7;
}
.directory-group { margin: 0 0 26px; }
.directory-group h2 {
  margin: 0 0 10px;
  padding-bottom: 6px;
  border-bottom: 1px solid var(--line);
  color: var(--green);
  font-size: 1rem;
}
.city-directory {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
  gap: 8px 16px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.city-directory a {
  display: inline-block;
  padding: 5px 0;
  color: var(--ink);
}
.city-directory a:hover { color: var(--green); text-decoration: underline; }
.related-cities-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.related-city-link {
  padding: 7px 12px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--card);
  color: var(--muted);
  font-size: 0.82rem;
}
.related-city-link:hover {
  border-color: var(--green-soft);
  color: var(--green);
  background: var(--green-light);
}

/* ================================================================
   RESPONSIVE
   ================================================================ */
@media (max-width: 960px) {
  /* The map page becomes a scrolling page: map first, hot-city links below. */
  body.page-index { height: auto; min-height: 100vh; overflow: auto; }
  .map-wrap { flex: none; }
  #chinaMap { height: 60vh; min-height: 380px; }
  .map-controls { top: 14px; right: 14px; }
  .legend { top: 64px; bottom: auto; left: 14px; }
  .map-tip { top: 14px; bottom: auto; left: 50%; transform: translateX(-50%); }
  .search-status { top: 104px; }
  .hot-cities-bar {
    position: static;
    transform: none;
    width: auto;
    margin: 0 16px 24px;
  }
  .hot-cities-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
  .attraction-card { flex-direction: column; }
  .attraction-main-img { width: 100%; height: 200px; }
  .attraction-thumbs { flex-direction: row; flex-wrap: wrap; }
  .attraction-thumb { width: 90px; height: 64px; }
  .culture-section { flex-direction: column; }
  .culture-img { width: 100%; min-height: 160px; }
  .culture-body { padding: 16px; }
}
@media (max-width: 600px) {
  .site-header { padding: 0 10px; gap: 8px; }
  .brand { flex: 0 0 auto; min-width: 0; }
  .brand h1 { font-size: 0.8rem; max-width: 90px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
  .brand .tagline { display: none; }
  .header-search { flex: 1; min-width: 100px; }
  .header-search input { width: 100%; }
  .header-search input:focus { width: 100%; }
  .header-nav { flex: 0 0 auto; gap: 0; }
  .header-nav a:not(.lang-toggle), .header-nav button:not(.lang-toggle) { display: none; }
  .map-tip { font-size: 0.72rem; padding: 6px 14px; max-width: calc(100% - 120px); text-align: center; }
  .hot-cities-bar { margin: 0 12px 20px; padding: 14px 12px 12px; }
  .hot-cities-grid { grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; }
  .hot-city-card-img { width: 64px; height: 64px; }
  .legend { display: none; }
  .city-topbar { padding: 0 12px; gap: 8px; }
  .city-topbar .brand-logo { width: 28px; height: 28px; font-size: 14px; }
  .city-topbar .back-btn { padding: 5px 10px; font-size: 0.75rem; }
  .topbar-city-name { font-size: 0.9rem; }
  .topbar-attraction-name { font-size: 0.9rem; }
  .topbar-province { display: none; }
  .topbar-transport .transport-item { font-size: 0.7rem; padding: 2px 6px; }
  .topbar-share { display: none; }
  .attraction-row-img { height: 180px; }
  .food-item-img { width: 120px; height: 120px; }
  .food-item { width: 120px; }
  .site-footer { padding: 16px 14px 22px; }
}