/* ===== Products 筛选侧栏 小部件 ===== */
.qing-pl-side {
  --blue: #1b3df5;
  --navy: #0b1a3a;
  --muted: #6b7891;
  --border: #e4e8f0;
  font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
}
.qing-pl-side.pl-side {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 6px 18px;
}
.qing-pl-side * { box-sizing: border-box; }

.qing-pl-side .filter-group { padding: 18px 0; border-bottom: 1px solid var(--border); }
.qing-pl-side .filter-group:last-child { border-bottom: none; }

.qing-pl-side .filter-head { display: flex; align-items: center; justify-content: space-between; cursor: pointer; }
.qing-pl-side .filter-head .ft { display: flex; align-items: center; gap: 8px; font-size: 14px; font-weight: 600; color: var(--navy); }
.qing-pl-side .filter-head .ft svg { width: 16px; height: 16px; color: var(--blue); }
.qing-pl-side .filter-head .ft i { font-size: 16px; line-height: 1; color: var(--blue); }
.qing-pl-side .filter-head .chev { width: 14px; height: 14px; color: var(--muted); transition: transform .25s ease; flex-shrink: 0; }
.qing-pl-side .filter-group.collapsed .chev { transform: rotate(-90deg); }

.qing-pl-side .filter-list { display: flex; flex-direction: column; gap: 12px; margin-top: 16px; }
.qing-pl-side .filter-group.collapsed .filter-list { display: none; }

.qing-pl-side .filter-item { display: flex; align-items: center; gap: 9px; font-size: 13px; color: #3a4762; cursor: pointer; }
.qing-pl-side .filter-item input { width: 16px; height: 16px; accent-color: var(--blue); cursor: pointer; flex-shrink: 0; }

.qing-pl-side .filter-empty { font-size: 12px; color: var(--muted); margin: 12px 0 0; }