/* 花籽家古着网站 — 移动端优先样式 */
*{margin:0;padding:0;box-sizing:border-box;-webkit-tap-highlight-color:transparent}
body{
  font:14px/1.6 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  color:#333;background:#faf7f4;
}
img{display:block}

/* ===== 顶栏 ===== */
.topbar{
  background:#3a2e2a;color:#fff;padding:12px 14px;
  display:flex;align-items:center;gap:12px;
  position:sticky;top:0;z-index:20;
}
.brand{font-size:19px;font-weight:700;letter-spacing:1px;white-space:nowrap}
.brand span{font-size:12px;color:#c9b8a8;font-weight:400;margin-left:4px}
.search{flex:1;min-width:0}
.search input{
  width:100%;padding:8px 16px;border:none;border-radius:18px;
  background:#4a3c36;color:#fff;font-size:14px;outline:none;
}
.search input::placeholder{color:#a8968a}

/* ===== 类目 tab(横向滚动) ===== */
.cat-tabs{
  background:#fff;display:flex;gap:4px;overflow-x:auto;
  padding:10px 12px;white-space:nowrap;-webkit-overflow-scrolling:touch;
  position:sticky;top:52px;z-index:19;border-bottom:1px solid #f0ebe6;
}
.cat-tabs::-webkit-scrollbar{display:none}
.cat-tab{
  flex-shrink:0;padding:7px 16px;border:none;border-radius:17px;
  background:#f5efe9;color:#666;font-size:14px;cursor:pointer;
}
.cat-tab.active{background:#3a2e2a;color:#fff;font-weight:600}

/* ===== 筛选条 ===== */
.filter-bar{
  display:flex;align-items:center;gap:10px;
  padding:10px 14px;background:#faf7f4;
}
.filter-btn{
  display:flex;align-items:center;gap:6px;padding:6px 14px;
  border:1px solid #ddd;border-radius:16px;background:#fff;
  font-size:13px;color:#333;cursor:pointer;white-space:nowrap;
}
.filter-badge{
  background:#c0392b;color:#fff;font-size:11px;min-width:18px;height:18px;
  border-radius:9px;display:inline-flex;align-items:center;justify-content:center;padding:0 5px;
}
.arrow{font-size:10px;color:#999}
.count{font-size:12px;color:#999}

/* ===== 商品瀑布流(2列) ===== */
.grid{
  display:grid;grid-template-columns:repeat(2,1fr);gap:10px;padding:4px 12px 20px;
}
.card{background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 1px 3px rgba(0,0,0,.05)}
.card a{text-decoration:none;color:inherit;display:block}
.card img{width:100%;aspect-ratio:3/4;object-fit:cover;background:#f0ebe6}
.card-body{padding:8px 10px 10px}
.card-title{font-size:13px;line-height:1.4;height:2.8em;overflow:hidden;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}
.card-price{color:#c0392b;font-weight:700;font-size:16px;margin-top:4px}
.card-tags{margin-top:4px;display:flex;gap:4px;flex-wrap:wrap}
.card .tag{font-size:10px;color:#b57c4a;background:#f5ede6;padding:1px 7px;border-radius:9px}

.loading,.empty{text-align:center;padding:40px;color:#999}

/* ===== 页脚(ICP备案) ===== */
.site-footer{
  text-align:center;padding:18px 12px;margin-top:4px;
  background:#faf7f4;border-top:1px solid #f0ebe6;
}
.site-footer a{color:#999;font-size:12px;text-decoration:none}

/* ===== 筛选抽屉(bottom sheet) ===== */
.sheet-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.4);z-index:40;
  opacity:0;visibility:hidden;transition:opacity .25s;
}
.sheet{
  position:fixed;left:0;right:0;bottom:0;z-index:41;background:#fff;
  border-radius:16px 16px 0 0;transform:translateY(100%);transition:transform .28s;
  max-height:75vh;display:flex;flex-direction:column;
}
.sheet-mask.show{opacity:1;visibility:visible}
.sheet.show{transform:translateY(0)}
.sheet-head{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 18px;border-bottom:1px solid #f0ebe6;font-size:16px;font-weight:600;
}
.sheet-reset{background:none;border:none;color:#b57c4a;font-size:14px;cursor:pointer}
.sheet-body{flex:1;overflow-y:auto;padding:6px 18px}
.sheet-group{padding:14px 0;border-bottom:1px solid #f7f2ee}
.sheet-group:last-child{border-bottom:none}
.sheet-title{font-size:14px;color:#999;margin-bottom:12px}
.sheet-chips{display:flex;flex-wrap:wrap;gap:8px}
.sheet-chip{
  padding:8px 16px;border-radius:18px;border:1px solid #e5ddd5;
  background:#fff;color:#555;font-size:14px;cursor:pointer;
}
.sheet-chip.active{background:#3a2e2a;color:#fff;border-color:#3a2e2a}
.sheet-foot{padding:12px 18px;padding-bottom:calc(12px + env(safe-area-inset-bottom))}
.sheet-apply{
  width:100%;padding:13px;border:none;border-radius:22px;
  background:#c0392b;color:#fff;font-size:16px;font-weight:600;cursor:pointer;
}

/* ===== 详情页 ===== */
.detail-topbar .back{font-size:26px;line-height:1;color:#fff;text-decoration:none;padding:0 4px}
.detail{max-width:760px;margin:0 auto;padding-bottom:70px}
.detail-gallery{background:#fff}
.main-img-wrap{width:100%}
.detail-main{width:100%;max-height:75vh;object-fit:contain;background:#f7f2ee}
.thumbs{display:flex;gap:6px;padding:10px;overflow-x:auto;-webkit-overflow-scrolling:touch}
.thumbs::-webkit-scrollbar{display:none}
.thumbs img{width:58px;height:58px;object-fit:cover;border-radius:6px;flex-shrink:0;
  border:2px solid transparent}
.thumbs img.active{border-color:#b57c4a}

.detail-info{background:#fff;margin-top:8px;padding:16px 18px 20px}
.detail-price{font-size:24px;color:#c0392b;font-weight:700}
.detail-title{font-size:16px;font-weight:600;line-height:1.5;margin-top:6px}
.detail-tags{margin-top:10px;display:flex;gap:6px;flex-wrap:wrap}
.detail-tags .tag{font-size:12px;color:#b57c4a;background:#f5ede6;padding:2px 10px;border-radius:12px}

.detail-block{margin-top:20px;padding-top:16px;border-top:1px solid #f0ebe6}
.detail-block h2{font-size:15px;color:#3a2e2a;margin-bottom:12px;letter-spacing:1px}
.size-table{width:100%;border-collapse:collapse;font-size:14px}
.size-table td{padding:11px 0;border-bottom:1px solid #f7f2ee}
.size-table td:first-child{color:#999;width:40%}
.unit{font-size:11px;color:#bbb;margin-left:4px}
.note{font-size:12px;color:#aaa;margin-top:10px}
.selling-points{list-style:none}
.selling-points li{padding:8px 0;color:#555;line-height:1.7;font-size:14px}
.detail-spacer{height:1px}

/* ===== 底部固定购买栏 ===== */
.buy-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:30;
  background:#fff;border-top:1px solid #eee;
  display:flex;align-items:center;gap:12px;
  padding:10px 14px;padding-bottom:calc(10px + env(safe-area-inset-bottom));
}
.buy-price{font-size:20px;color:#c0392b;font-weight:700;white-space:nowrap}
.buy-btn{
  flex:1;text-align:center;padding:12px;background:#c0392b;color:#fff;
  text-decoration:none;border-radius:22px;font-size:16px;font-weight:600;letter-spacing:1px;
}
.buy-btn:active{background:#a93226}

/* ===== 桌面端(几乎不用,但保底) ===== */
@media (min-width:761px){
  .grid{grid-template-columns:repeat(auto-fill,minmax(200px,1fr));gap:16px;padding:16px 24px}
  .detail{max-width:960px;padding:20px 24px 90px}
  .detail-main{max-height:65vh}
}