/* ==========================================================
   城市记忆 · 城市线路选择器（仅城市记忆页使用）
   ========================================================== */

.hero-note {
  position: absolute;
  right: 24px;
  bottom: 24px;
  margin: 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: rgba(255, 255, 255, .72);
  white-space: nowrap;
}

.city-section {
  padding: 108px 0 120px;
  background: var(--bg-alt);
}

.city-head {
  max-width: 680px;
  margin-bottom: 40px;
}

.city-head h2 {
  margin: 0 0 14px;
}

.city-head .lead {
  margin: 0;
}

.province-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 12px;
}

.province-btn {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  text-align: left;
  transition: border-color .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
}

@media (hover: hover) and (pointer: fine) {
  .province-btn:hover {
    border-color: var(--brand);
    box-shadow: 0 10px 24px rgba(48, 96, 240, .12);
    transform: translateY(-2px);
  }
}

/* 触屏按压颜色反馈（与悬停一致；JS .zx-pressed 兼容 iOS/微信） */
.province-btn:active,
.province-btn.zx-pressed {
  border-color: var(--brand);
  box-shadow: 0 10px 24px rgba(48, 96, 240, .12);
}

.province-name {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
}

.province-count {
  flex: none;
  padding: 2px 9px;
  border-radius: 999px;
  background: var(--bg-alt);
  font-size: 11px;
  font-weight: 600;
  color: var(--ink-faint);
}

.province-btn.selected {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  box-shadow: 0 12px 28px rgba(48, 96, 240, .2);
}

.province-btn.selected .province-count {
  background: rgba(255, 255, 255, .22);
  color: #fff;
}

.province-panel {
  display: none;
  padding: 26px;
  grid-column: 1 / -1;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: #fff;
}

.province-panel.open {
  display: block;
  animation: cityPanelIn .3s ease;
}

@keyframes cityPanelIn {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

.city-level {
  margin-bottom: 24px;
}

.level-title {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .18em;
  color: var(--ink-faint);
}

.city-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}

.city-btn {
  padding: 11px 14px;
  border: 1px solid var(--line);
  border-radius: 10px;
  background: #fff;
  color: var(--ink);
  font-size: 14px;
  font-weight: 500;
  text-align: center;
  transition: border-color .2s ease, background .2s ease, color .2s ease, box-shadow .2s ease;
}

@media (hover: hover) and (pointer: fine) {
  .city-btn:hover {
    border-color: var(--brand);
    color: var(--brand);
  }
}

.city-btn:active,
.city-btn.zx-pressed {
  border-color: var(--brand);
  color: var(--brand);
}

.city-btn.selected {
  background: var(--brand);
  border-color: var(--brand);
  color: #fff;
  box-shadow: 0 10px 22px rgba(48, 96, 240, .18);
}

.line-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.line-chip {
  display: inline-flex;
  align-items: center;
  padding: 8px 16px;
  border: 1.5px solid var(--chip-color, var(--line));
  border-radius: 999px;
  background: #fff;
  color: var(--chip-color, var(--ink));
  font-size: 13px;
  font-weight: 600;
  line-height: 1.4;
  transition: background .2s ease, color .2s ease, box-shadow .2s ease, transform .2s ease;
}

@media (hover: hover) and (pointer: fine) {
  .line-chip:hover {
    box-shadow: 0 8px 18px rgba(10, 18, 40, .12);
    transform: translateY(-2px);
  }
}

.line-chip:active,
.line-chip.zx-pressed {
  box-shadow: 0 8px 18px rgba(10, 18, 40, .12);
}

.line-chip.selected {
  background: var(--chip-color, var(--brand));
  border-color: var(--chip-color, var(--brand));
  color: var(--chip-ink, #fff);
  box-shadow: 0 8px 18px rgba(10, 18, 40, .16);
}

/* ---------- 购买入口 ---------- */
.city-shop {
  border-top: 1px solid var(--line);
  background: #fff;
  text-align: center;
  padding: 96px 24px 100px;
}

.city-shop h2 {
  margin-bottom: 34px;
}

.city-shop-btns {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 16px;
}

.city-shop-btns .btn {
  flex-direction: column;
  gap: 2px;
  height: auto;
  min-width: 210px;
  padding: 14px 36px;
  border-radius: 12px;
}

.shop-main {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.3;
}

.shop-sub {
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .06em;
  opacity: .8;
}

/* ---------- 响应式 ---------- */
@media (max-width: 980px) {
  .province-grid {
    grid-template-columns: repeat(3, 1fr);
  }
  .city-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 720px) {
  .city-section {
    padding: 72px 0 84px;
  }
  .hero-note {
    right: 16px;
    bottom: 16px;
    font-size: 11px;
  }
  .province-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 10px;
  }
  .province-btn {
    padding: 13px 14px;
  }
  .province-name {
    font-size: 14px;
  }
  .province-panel {
    padding: 18px;
  }
  .city-grid {
    grid-template-columns: repeat(2, 1fr);
  }
  .line-chip {
    padding: 7px 13px;
    font-size: 12px;
  }
  .city-shop {
    padding: 72px 24px 80px;
  }
  .city-shop-btns {
    flex-direction: column;
    align-items: center;
  }
  .city-shop-btns .btn {
    width: 100%;
    max-width: 340px;
  }
}