/* 全站样式 - 简洁学术风 */
* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: "Helvetica Neue", "PingFang SC", "Microsoft YaHei", Arial, sans-serif;
  color: #2c3e50;
  background: #fafbfc;
  line-height: 1.7;
}

a { color: #1a5fa8; text-decoration: none; }
a:hover { text-decoration: underline; }

/* 导航栏 */
.navbar {
  background: #16324f;
  color: #fff;
  padding: 0 24px;
  display: flex;
  align-items: center;
  height: 56px;
  position: sticky;
  top: 0;
  z-index: 100;
}
.navbar .brand { font-size: 18px; font-weight: 600; letter-spacing: 1px; }
.navbar .brand span { color: #8fb8dd; font-weight: 400; font-size: 13px; margin-left: 10px; }
.navbar nav { margin-left: auto; }
.navbar nav a {
  color: #cfe0ef;
  margin-left: 24px;
  font-size: 15px;
  padding: 4px 2px;
}
.navbar nav a:hover { color: #fff; text-decoration: none; }
.navbar nav a.active { color: #fff; border-bottom: 2px solid #5b9bd5; }

/* 首页 */
.hero {
  background: linear-gradient(135deg, #16324f 0%, #2b5a86 100%);
  color: #fff;
  padding: 80px 24px;
  text-align: center;
}
.hero h1 { font-size: 34px; margin-bottom: 12px; }
.hero p { font-size: 17px; color: #c9dcee; max-width: 720px; margin: 0 auto; }

.container { max-width: 960px; margin: 0 auto; padding: 40px 24px; }
.container h2 {
  font-size: 22px;
  border-left: 4px solid #2b5a86;
  padding-left: 12px;
  margin-bottom: 16px;
}
.card {
  background: #fff;
  border: 1px solid #e3e9ef;
  border-radius: 8px;
  padding: 24px 28px;
  margin-bottom: 24px;
}

.footer {
  text-align: center;
  color: #8a97a5;
  font-size: 13px;
  padding: 32px 0;
  border-top: 1px solid #e3e9ef;
  background: #fff;
}

/* 地图页布局 */
.map-layout { display: flex; height: calc(100vh - 56px); }

.side-panel {
  width: 250px;
  flex-shrink: 0;
  background: #fff;
  border-right: 1px solid #e3e9ef;
  padding: 18px 16px;
  overflow-y: auto;
}
.side-panel h3 {
  font-size: 14px;
  color: #5a6b7d;
  text-transform: uppercase;
  letter-spacing: 1px;
  margin: 18px 0 8px;
}
.side-panel h3:first-child { margin-top: 0; }

.btn {
  display: block;
  width: 100%;
  padding: 9px 0;
  margin-bottom: 8px;
  border: 1px solid #2b5a86;
  border-radius: 5px;
  background: #2b5a86;
  color: #fff;
  font-size: 14px;
  text-align: center;
  cursor: pointer;
}
.btn:hover { background: #1f4468; }
.btn.secondary { background: #fff; color: #2b5a86; }
.btn.secondary:hover { background: #eef4fa; }

.var-list label {
  display: block;
  padding: 7px 10px;
  border-radius: 5px;
  cursor: pointer;
  font-size: 14px;
}
.var-list label:hover { background: #eef4fa; }
.var-list input { margin-right: 8px; }

.data-status {
  font-size: 13px;
  color: #8a97a5;
  background: #f4f7fa;
  border-radius: 5px;
  padding: 8px 10px;
  margin-top: 8px;
}
.data-status.ok { color: #217346; background: #e9f6ee; }

.map-container { flex: 1; position: relative; }
#main-map { width: 100%; height: 100%; }

.empty-hint {
  position: absolute;
  top: 40px;
  left: 50%;
  transform: translateX(-50%);
  background: rgba(255, 250, 230, .95);
  border: 1px solid #e8d48b;
  color: #7a6216;
  padding: 10px 22px;
  border-radius: 6px;
  font-size: 14px;
  pointer-events: none;
  z-index: 10;
}

/* 地图页备案号（右下角小字） */
.icp-beian {
  position: absolute;
  right: 10px;
  bottom: 6px;
  z-index: 20;
  font-size: 12px;
}
.icp-beian a { color: #a8b4c0; }
.icp-beian a:hover { color: #5a6b7d; }