/* ============================================================
 * style.css —— 银行联行号查询网（仅本站使用）
 * 靛蓝金融工具风格：反渐变品牌条 + 大搜索卡 + 支行结果行列表。
 * ============================================================ */
:root {
  --lh-indigo: #4338ca;
  --lh-indigo-dark: #312e81;
  --lh-indigo-soft: #e0e7ff;
  --lh-bg: #f4f5fb;
  --lh-text: #1f2937;
  --lh-muted: #6b7280;
  --lh-line: #dfe3f0;
  --lh-radius: 12px;
  --lh-shadow: 0 1px 2px rgba(49, 46, 129, .05), 0 8px 24px rgba(49, 46, 129, .08);
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--lh-bg); color: var(--lh-text);
  font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.6;
}
.lh-wrap { max-width: 780px; margin: 0 auto; padding: 0 16px; }
a { color: inherit; }

/* ---------- 品牌条（反渐变，与青绿系站点区分） ---------- */
.lh-top { background: linear-gradient(315deg, var(--lh-indigo), var(--lh-indigo-dark)); color: #fff; padding: 18px 0 22px; }
.lh-top-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; }
.lh-brand { margin: 0; font-size: 22px; font-weight: 800; letter-spacing: 1px; }
.lh-slogan { margin: 4px 0 0; font-size: 13px; opacity: .92; }
.lh-mini {
  flex: 0 0 auto; margin: 0; text-align: center; font-size: 11px; opacity: .95;
  border: 1px dashed rgba(255, 255, 255, .55); border-radius: 10px; padding: 8px 10px; max-width: 180px; line-height: 1.7;
}
@media (max-width: 520px) { .lh-mini { display: none; } }

/* ---------- 广告位（≤90px） ---------- */
.lh-ad {
  min-height: 60px; max-height: 90px; margin: 14px 0;
  border: 1px dashed var(--lh-line); border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  color: var(--lh-muted); font-size: 12.5px; background: #fff; overflow: hidden;
}

/* ---------- 搜索首屏 ---------- */
.lh-hero { padding: 10px 0 4px; }
.lh-hero h1 { font-size: 24px; margin: 0 0 6px; color: var(--lh-indigo-dark); }
.lh-hero h1 b { color: var(--lh-indigo); }
.lh-sub { margin: 0 0 16px; font-size: 14px; color: var(--lh-muted); }

/* 大搜索卡：银行下拉 + 支行关键词 */
.lh-search {
  background: #fff; border: 1px solid var(--lh-line); border-radius: var(--lh-radius);
  box-shadow: var(--lh-shadow); padding: 22px;
}
.lh-field + .lh-field { margin-top: 14px; }
.lh-label { display: block; font-size: 13px; font-weight: 600; color: var(--lh-muted); margin-bottom: 6px; }
.lh-bank, .lh-branch {
  width: 100%; height: 52px; border: 2px solid var(--lh-line); border-radius: 12px;
  font-size: 16px; color: var(--lh-text); padding: 0 14px; background: #fff; outline: none;
}
.lh-branch::placeholder { color: #a5adc2; }
.lh-bank:focus, .lh-branch:focus { border-color: var(--lh-indigo); }
.lh-actions { display: flex; gap: 10px; margin-top: 16px; }
.lh-btn-primary {
  flex: 1; height: 48px; border: none; border-radius: 12px;
  background: var(--lh-indigo); color: #fff; font-size: 15.5px; font-weight: 700; cursor: pointer;
}
.lh-btn-primary:hover { background: var(--lh-indigo-dark); }
.lh-btn-primary:disabled { opacity: .6; cursor: default; }
.lh-btn-ghost {
  height: 48px; padding: 0 20px; border: 1px solid var(--lh-line); border-radius: 12px;
  background: #fff; color: var(--lh-muted); font-size: 14.5px; cursor: pointer;
}
.lh-btn-ghost:hover { border-color: var(--lh-indigo); color: var(--lh-indigo); }

/* ---------- 四态状态机面板（data-state 控制显隐） ---------- */
.lh-panel {
  margin-top: 16px; background: #fff; border: 1px solid var(--lh-line);
  border-radius: var(--lh-radius); box-shadow: var(--lh-shadow);
  padding: 18px 20px; min-height: 104px;
}
.lh-panel-default, .lh-panel-loading, .lh-panel-result, .lh-panel-empty { display: none; }
.lh-panel[data-state="idle"] .lh-panel-default { display: block; }
.lh-panel[data-state="loading"] .lh-panel-loading { display: flex; align-items: center; gap: 10px; font-size: 14px; color: var(--lh-muted); }
.lh-panel[data-state="result"] .lh-panel-result { display: block; }
.lh-panel[data-state="empty"] .lh-panel-empty { display: block; }

.lh-idle-title { margin: 4px 0 0; font-size: 15px; font-weight: 700; color: var(--lh-indigo-dark); }
.lh-idle-sub { margin: 6px 0 0; font-size: 13.5px; color: var(--lh-muted); }

.lh-spinner {
  flex: 0 0 auto; width: 18px; height: 18px; border-radius: 50%;
  border: 3px solid var(--lh-indigo-soft); border-top-color: var(--lh-indigo);
  animation: lh-spin .8s linear infinite;
}
@keyframes lh-spin { to { transform: rotate(360deg); } }

/* 结果态：支行行列表 */
.lh-result-head { margin: 0 0 12px; font-size: 14.5px; color: var(--lh-muted); }
.lh-result-head strong { color: var(--lh-indigo-dark); font-size: 16.5px; }
.lh-item {
  display: flex; align-items: center; gap: 12px;
  padding: 12px 14px; background: #fff; border: 1px solid var(--lh-line); border-radius: 10px;
}
.lh-item + .lh-item { margin-top: 8px; }
.lh-item:hover { border-color: var(--lh-indigo-soft); background: #fbfbff; }
.lh-item-name { flex: 1; font-size: 14px; font-weight: 600; color: var(--lh-text); min-width: 0; }
.lh-item-code {
  flex: 0 0 auto; font-size: 19px; font-weight: 800; color: var(--lh-indigo);
  font-variant-numeric: tabular-nums; letter-spacing: 1px;
}
.lh-copy {
  flex: 0 0 auto; height: 30px; padding: 0 12px; font-size: 12.5px; font-weight: 600;
  border: 1px solid var(--lh-indigo); border-radius: 8px; background: #fff;
  color: var(--lh-indigo); cursor: pointer;
}
.lh-copy:hover { background: var(--lh-indigo); color: #fff; }
.lh-copy.is-done { border-color: #16a34a; color: #16a34a; background: #f0fdf4; }
.lh-result-meta { margin: 12px 0 0; font-size: 12.5px; color: var(--lh-muted); }

/* 空态 */
.lh-empty-title { margin: 4px 0 0; font-size: 15px; font-weight: 700; color: var(--lh-indigo-dark); }
.lh-empty-sub { margin: 6px 0 0; font-size: 13.5px; color: var(--lh-muted); }
.lh-btn-subscribe {
  margin-top: 12px; height: 38px; padding: 0 18px;
  border: 1px dashed var(--lh-indigo); border-radius: 10px;
  background: var(--lh-indigo-soft); color: var(--lh-indigo-dark);
  font-size: 13.5px; font-weight: 600; cursor: pointer;
}
.lh-btn-subscribe:hover { background: #c7d2fe; }

/* ---------- 相关查询 ---------- */
.lh-links { margin: 26px 0 8px; }
.lh-links h2, .lh-content h2, .lh-cities h2 { font-size: 16px; margin: 0 0 10px; color: var(--lh-indigo-dark); }
.lh-chips { display: flex; flex-wrap: wrap; gap: 8px; }
.lh-chips a {
  padding: 8px 14px; background: #fff; border: 1px solid var(--lh-line);
  border-radius: 6px; font-size: 13.5px; text-decoration: none; color: var(--lh-text);
}
.lh-chips a:hover { border-color: var(--lh-indigo); color: var(--lh-indigo); }

/* ---------- FAQ 内容区（构建期生成，类名 lh-content / lh-ai-badge / lh-src-note） ---------- */
.lh-content {
  margin: 26px 0; background: #fff; border: 1px solid var(--lh-line);
  border-radius: var(--lh-radius); padding: 18px 20px;
}
.lh-content article { margin-bottom: 14px; }
.lh-content article:last-child { margin-bottom: 0; }
.lh-content h3 { font-size: 14.5px; margin: 0 0 6px; }
.lh-content p { font-size: 13.5px; color: #4b5265; margin: 0 0 4px; }
.lh-src-note { font-size: 12px; color: var(--lh-muted); }
.lh-ai-badge {
  display: inline-block; padding: 1px 8px; margin-left: 6px;
  font-size: 11px; font-weight: 600; vertical-align: 1px;
  color: var(--lh-indigo-dark); background: var(--lh-indigo-soft); border: 1px solid #c7d2fe; border-radius: 4px;
}

/* ---------- 银行矩阵 ---------- */
.lh-cities { margin: 26px 0; }
.lh-grid { display: flex; flex-wrap: wrap; gap: 8px; }
.lh-grid a {
  padding: 6px 14px; background: #fff; border: 1px solid var(--lh-line);
  border-radius: 6px; font-size: 13px; text-decoration: none; color: var(--lh-text);
}
.lh-grid a:hover { border-color: var(--lh-indigo); color: var(--lh-indigo); }

/* ---------- 合规页脚（构建期生成：lh-foot / lh-links / lh-disc / lh-src / lh-ai） ---------- */
.lh-foot { background: #fff; border-top: 1px solid var(--lh-line); margin-top: 24px; }
.lh-foot .lh-wrap { padding-top: 24px; padding-bottom: 32px; }
.lh-foot .lh-links { display: flex; flex-wrap: wrap; gap: 6px 18px; margin: 0 0 10px; font-size: 13px; }
.lh-foot a { color: inherit; text-decoration: none; }
.lh-foot a:hover { color: var(--lh-indigo); text-decoration: underline; }
.lh-foot .lh-strong { font-weight: 600; color: var(--lh-text); }
.lh-foot .lh-disc, .lh-foot .lh-src, .lh-foot .lh-ai { margin: 0 0 6px; font-size: 12.5px; color: var(--lh-muted); line-height: 1.9; }

/* ---------- 移动适配 ---------- */
@media (max-width: 520px) {
  .lh-search { padding: 16px 14px; }
  .lh-panel { padding: 14px; }
  .lh-item { flex-wrap: wrap; padding: 10px 12px; }
  .lh-item-name { flex-basis: 100%; }
  .lh-item-code { font-size: 17px; }
  .lh-copy { margin-left: auto; }
}