:root {
  --bg: #04070d;
  --text: #e8ecf4;
  --dim: #8e9cb4;
  --line: rgba(255, 255, 255, 0.1);
  --accent: #7dd3fc;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: radial-gradient(1200px 700px at 30% 10%, #0a1424 0%, var(--bg) 60%);
  color: var(--text);
  font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  overflow: hidden;
}

.hud { position: fixed; z-index: 5; }

.head {
  top: 0;
  left: 0;
  right: 0;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 24px;
  pointer-events: none;
}

.crumbs {
  pointer-events: auto;
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  color: var(--dim);
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(8, 12, 20, 0.6);
  backdrop-filter: blur(10px);
}

.crumbs a { color: var(--dim); text-decoration: none; }
.crumbs a:hover { color: var(--text); }
.crumbs .now { color: var(--text); }

.title { text-align: right; }
.title h1 { margin: 0; font-size: 20px; letter-spacing: 0.28em; font-weight: 600; }
.title p { margin: 4px 0 0; font-size: 10px; letter-spacing: 0.3em; color: var(--dim); }

.map-wrap {
  position: fixed;
  inset: 0;
  padding: 84px 380px 90px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
}

#map {
  width: 100%;
  height: 100%;
  display: block;
  cursor: grab;
  touch-action: none;
}

#map:active { cursor: grabbing; }

.markers {
  position: fixed;
  inset: 0;
  pointer-events: none;
  z-index: 4;
}

.province {
  fill: var(--pc, #152539);
  stroke: rgba(125, 211, 252, 0.3);
  stroke-width: 0.8;
  vector-effect: non-scaling-stroke;
  transition: fill 0.15s ease;
}

.provinces { filter: drop-shadow(0 6px 24px rgba(40, 110, 180, 0.18)); }

.province:hover { fill: #2f5f84; }

.marker {
  position: absolute;
  transform: translate(-50%, -50%);
  pointer-events: auto;
  cursor: pointer;
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 4px;
  border: 0;
  padding: 0;
  background: none;
  color: inherit;
  font: inherit;
}

.marker .dot {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: #7dd3fc;
  box-shadow: 0 0 0 3px rgba(125, 211, 252, 0.16), 0 0 12px rgba(125, 211, 252, 0.8);
  transition: transform 0.15s ease, background 0.15s ease;
}

.marker:hover .dot { transform: scale(1.5); background: #fff; }

.marker .label {
  display: none;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: rgba(222, 235, 250, 0.9);
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.95);
  white-space: nowrap;
  padding: 1px 5px;
  border-radius: 5px;
  background: rgba(4, 8, 14, 0.45);
}

.marker.t1 .label { display: block; }
.markers.z2 .marker.t2 .label { display: block; }
.markers.z3 .marker.t3 .label { display: block; }

.marker.flip { flex-direction: column-reverse; }

.geo-label {
  position: absolute;
  transform: translate(-50%, -50%);
  pointer-events: none;
  white-space: nowrap;
  font-size: 10px;
  text-shadow: 0 1px 8px rgba(0, 0, 0, 0.95);
}

.geo-label.mountain {
  font-size: 9px;
  letter-spacing: 0.18em;
  color: rgba(176, 190, 210, 0.72);
}

.geo-label.river {
  font-style: italic;
  letter-spacing: 0.08em;
  color: rgba(120, 190, 240, 0.85);
}

.river {
  fill: none;
  stroke: #3f86b4;
  stroke-width: 1.1;
  opacity: 0.85;
  vector-effect: non-scaling-stroke;
}

.mountain-line {
  fill: none;
  stroke: rgba(140, 160, 185, 0.28);
  stroke-width: 1.4;
  stroke-dasharray: 4 5;
  vector-effect: non-scaling-stroke;
}

.mountain-ridge {
  fill: none;
  stroke: #8fa3b8;
  stroke-width: 1;
  opacity: 0.62;
  stroke-linejoin: round;
  stroke-linecap: round;
  vector-effect: non-scaling-stroke;
}

.marker.active .dot { background: #fff; transform: scale(1.6); box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.18), 0 0 18px rgba(255, 255, 255, 0.9); }
.marker.active .label { color: #fff; background: rgba(125, 211, 252, 0.18); }

.panel {
  top: 92px;
  right: 24px;
  width: 320px;
  padding: 16px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: rgba(9, 13, 22, 0.76);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 20px 60px rgba(0, 0, 0, 0.45);
}

.panel-head { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.panel-head h2 { margin: 0; font-size: 22px; letter-spacing: 0.08em; }

.live {
  font-size: 9px;
  letter-spacing: 0.2em;
  color: #fbbf24;
  border: 1px solid rgba(251, 191, 36, 0.4);
  border-radius: 999px;
  padding: 2px 8px;
  white-space: nowrap;
}

.city-role { margin: 6px 0 14px; font-size: 12px; color: var(--accent); letter-spacing: 0.1em; }

.facts { display: grid; grid-template-columns: 1fr 1fr; gap: 10px 14px; margin: 0; }
.facts div { border-top: 1px solid var(--line); padding-top: 7px; }
.facts dt { font-size: 10px; color: var(--dim); letter-spacing: 0.08em; }
.facts dd { margin: 2px 0 0; font-size: 12px; }

.note { margin: 16px 0 0; font-size: 11px; line-height: 1.7; color: var(--dim); border-top: 1px solid var(--line); padding-top: 12px; }

.enter-city {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 100%;
  margin-top: 12px;
  min-height: 36px;
  border-radius: 10px;
  border: 1px solid rgba(125, 211, 252, 0.35);
  background: rgba(125, 211, 252, 0.1);
  color: var(--accent);
  font-size: 12px;
  text-decoration: none;
  transition: background 0.15s ease, border-color 0.15s ease;
}

.enter-city:hover { background: rgba(125, 211, 252, 0.18); border-color: rgba(125, 211, 252, 0.6); }
.enter-city.ghost { background: transparent; border-color: var(--line); color: var(--dim); margin-top: 8px; }

.dock {
  left: 24px;
  bottom: 22px;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(9, 13, 22, 0.72);
  backdrop-filter: blur(12px);
  font-size: 12px;
  color: var(--dim);
}

.chip {
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  border-radius: 999px;
  padding: 4px 14px;
  font-size: 12px;
  cursor: pointer;
}

.chip:hover { border-color: rgba(255, 255, 255, 0.28); }

.tip {
  position: fixed;
  z-index: 6;
  pointer-events: none;
  transform: translate(-50%, -160%);
  padding: 5px 9px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(6, 10, 17, 0.94);
  font-size: 12px;
  color: var(--text);
  white-space: nowrap;
}

@media (max-width: 900px) {
  .title { display: none; }
  .map-wrap { padding: 86px 14px 300px; }
  .panel { top: auto; bottom: 70px; left: 14px; right: 14px; width: auto; }
  .facts { grid-template-columns: 1fr 1fr; }
  .note { display: none; }
  .dock { left: 14px; right: 14px; bottom: 16px; justify-content: space-between; }
}