/* 周边探查 Demo 样式 */
:root {
  --bg: #f4f6f9;
  --card-bg: #ffffff;
  --primary: #2f6bff;
  --primary-dark: #1e4fd6;
  --text: #1f2937;
  --text-sub: #6b7280;
  --border: #e5e7eb;
  --rating: #f59e0b;
  --radius: 14px;
}

* { margin: 0; padding: 0; box-sizing: border-box; }

body {
  font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Helvetica Neue", "Microsoft YaHei", sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
}

/* ---------- 头部 ---------- */
.hero {
  background: linear-gradient(135deg, #1e4fd6 0%, #2f6bff 55%, #4f8bff 100%);
  color: #fff;
  padding: 44px 20px 36px;
  text-align: center;
}
.hero-inner { max-width: 720px; margin: 0 auto; }
.hero h1 { font-size: 28px; font-weight: 700; letter-spacing: 0.5px; }
.subtitle { margin-top: 8px; opacity: 0.9; font-size: 14px; }

.search-bar {
  display: flex;
  gap: 10px;
  margin-top: 24px;
  background: #fff;
  padding: 8px;
  border-radius: 999px;
  box-shadow: 0 8px 24px rgba(0, 0, 0, 0.18);
}
.search-bar input {
  flex: 1;
  border: none;
  outline: none;
  font-size: 16px;
  padding: 10px 16px;
  background: transparent;
  color: var(--text);
  min-width: 0;
}
.search-bar button {
  border: none;
  background: var(--primary);
  color: #fff;
  font-size: 15px;
  font-weight: 600;
  padding: 10px 26px;
  border-radius: 999px;
  cursor: pointer;
  transition: background 0.2s;
  white-space: nowrap;
}
.search-bar button:hover { background: var(--primary-dark); }
.search-bar button:disabled { opacity: 0.6; cursor: wait; }

.status-line { margin-top: 12px; font-size: 13px; opacity: 0.95; min-height: 20px; }
.status-line.error { color: #ffd9d9; }

/* ---------- 布局 ---------- */
.container { max-width: 1180px; margin: 0 auto; padding: 20px 16px 60px; }
.hidden { display: none !important; }

/* ---------- 统计条 ---------- */
.stats-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 20px;
  margin-bottom: 16px;
}
.stat { flex: 1; min-width: 120px; }
.stat-label { display: block; font-size: 12px; color: var(--text-sub); }
.stat-value { font-size: 15px; font-weight: 600; word-break: break-all; }

/* ---------- 排序 ---------- */
.sort-bar {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 14px;
  flex-wrap: wrap;
}
.sort-label { font-size: 13px; color: var(--text-sub); }
.sort-btn {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-sub);
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 999px;
  cursor: pointer;
  transition: all 0.2s;
}
.sort-btn:hover { border-color: var(--primary); color: var(--primary); }
.sort-btn.active { background: var(--primary); border-color: var(--primary); color: #fff; }

/* ---------- Tabs ---------- */
.tabs {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  margin-bottom: 16px;
  scrollbar-width: thin;
}
.tab {
  border: 1px solid var(--border);
  background: var(--card-bg);
  color: var(--text-sub);
  font-size: 13px;
  padding: 7px 16px;
  border-radius: 999px;
  cursor: pointer;
  white-space: nowrap;
  transition: all 0.2s;
}
.tab:hover { border-color: var(--primary); color: var(--primary); }
.tab.active { background: var(--primary); border-color: var(--primary); color: #fff; font-weight: 600; }

/* ---------- 卡片 ---------- */
.cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
  gap: 16px;
}
.card {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  display: flex;
  flex-direction: column;
  transition: transform 0.15s, box-shadow 0.15s;
}
.card:hover { transform: translateY(-2px); box-shadow: 0 8px 20px rgba(0, 0, 0, 0.08); }

.card-photo {
  height: 150px;
  background: linear-gradient(135deg, #dbe4ff, #eef1f7);
  background-size: cover;
  background-position: center;
  position: relative;
}
.card-photo.no-photo::after {
  content: "🏞️";
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 40px;
  opacity: 0.5;
}
.card-distance {
  position: absolute;
  top: 10px;
  right: 10px;
  background: rgba(0, 0, 0, 0.65);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 3px 10px;
  border-radius: 999px;
}
.card-type {
  position: absolute;
  bottom: 10px;
  left: 10px;
  background: rgba(47, 107, 255, 0.9);
  color: #fff;
  font-size: 11px;
  padding: 2px 10px;
  border-radius: 999px;
  max-width: 70%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-body { padding: 14px 16px 16px; flex: 1; display: flex; flex-direction: column; gap: 6px; }
.card-title { font-size: 16px; font-weight: 700; display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.card-title .name { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.rating { color: var(--rating); font-size: 14px; white-space: nowrap; }
.rating .star { letter-spacing: 1px; }
.rating .no-rating { color: var(--text-sub); font-size: 12px; }

.card-meta { font-size: 13px; color: var(--text-sub); display: flex; flex-wrap: wrap; gap: 4px 14px; }
.card-meta .pill {
  background: #f0f4ff;
  color: var(--primary-dark);
  border-radius: 6px;
  padding: 1px 8px;
  font-size: 12px;
}
.card-addr { font-size: 12.5px; color: var(--text-sub); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.card-actions { margin-top: auto; padding-top: 10px; display: flex; gap: 8px; }
.card-actions a {
  flex: 1;
  text-align: center;
  text-decoration: none;
  font-size: 13px;
  font-weight: 600;
  padding: 8px 0;
  border-radius: 8px;
  transition: all 0.2s;
}
.btn-navi { background: var(--primary); color: #fff; }
.btn-navi:hover { background: var(--primary-dark); }
.btn-tel { background: #f3f4f6; color: var(--text); }
.btn-tel:hover { background: #e5e7eb; }

/* ---------- 活动区 ---------- */
.activity-section { margin-top: 36px; }
.section-title { font-size: 20px; font-weight: 700; margin-bottom: 4px; }
.section-note { font-size: 12.5px; color: var(--text-sub); margin-bottom: 14px; }

/* ---------- 空态 / 错误 ---------- */
.empty { text-align: center; color: var(--text-sub); padding: 48px 0; font-size: 15px; }

/* ---------- 页脚 ---------- */
.footer {
  margin-top: 40px;
  text-align: center;
  font-size: 12px;
  color: var(--text-sub);
  border-top: 1px solid var(--border);
  padding-top: 16px;
}

/* ---------- 加载动画 ---------- */
.spinner {
  width: 36px; height: 36px;
  border: 3px solid #dbe4ff;
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
  margin: 40px auto;
}
@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- 响应式 ---------- */
@media (max-width: 640px) {
  .hero h1 { font-size: 22px; }
  .search-bar { border-radius: 16px; flex-direction: column; }
  .search-bar button { width: 100%; }
  .cards { grid-template-columns: 1fr; }
}