:root{
  --primary:#B76E79;
  --primary-light:#C97B84;
  --primary-dark:#8E5A63;
  --bg:#FBF7F5;
  --card:#FFFFFF;
  --text:#3A2E2E;
  --sub:#6B5B5B;
  --accent:#C2185B;
  --ok:#4CAF82;
  --radius:16px;
  --shadow:0 4px 18px rgba(142,90,99,.12);
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
body{font-family:"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:13px;line-height:1.6;max-width:480px;margin:0 auto;position:relative}
img{display:block;max-width:100%}
a{color:inherit;text-decoration:none}

/* 顶部吸顶 */
.topbar{position:sticky;top:0;z-index:30;background:rgba(251,247,245,.86);backdrop-filter:blur(10px);padding:12px 14px 8px;border-bottom:1px solid rgba(183,110,121,.12)}
.brand{text-align:center;font-size:18px;font-weight:600;letter-spacing:2px;color:var(--primary-dark)}
.brand small{display:block;font-size:10px;letter-spacing:3px;color:var(--sub);font-weight:400;margin-top:1px}
.search{margin-top:10px;position:relative}
.search input{width:100%;border:1px solid #ecdcd8;border-radius:30px;padding:9px 16px 9px 38px;background:#fff;font-size:13px}
.search svg{position:absolute;left:13px;top:10px;opacity:.45}

.cats{display:flex;gap:8px;overflow-x:auto;overflow-y:hidden;scrollbar-width:none;flex:1;min-width:0;max-height:42px;transition:max-height .3s ease;padding:2px 0}
.cats::-webkit-scrollbar{display:none}
.cats.expanded{max-height:500px;flex-wrap:wrap;overflow:visible}
.cat{flex:0 0 auto;text-align:center;color:var(--sub);font-size:13px;padding:5px 12px;position:relative;white-space:nowrap;cursor:pointer;border-radius:20px;transition:.2s}
.cat.active{color:#fff;font-weight:600;background:var(--primary)}

/* 品牌标签 */
.brands{display:flex;flex-wrap:wrap;gap:8px;flex:1;min-width:0;max-height:78px;overflow:hidden;transition:max-height .3s ease;padding:2px 0}
.brands.expanded{max-height:500px}
.chip{padding:5px 13px;border-radius:20px;background:#fff;border:1px solid #ecdcd8;color:var(--sub);font-size:12px;cursor:pointer;transition:.2s}
.chip.active{background:var(--primary);color:#fff;border-color:var(--primary)}

/* 筛选行 + 更多按钮 */
.filter-row{display:flex;align-items:flex-start;gap:8px;padding:10px 14px}
.more-btn{flex:0 0 auto;padding:5px 12px;border-radius:20px;background:#fff;border:1px solid #ecdcd8;color:var(--sub);font-size:12px;cursor:pointer;transition:.2s;align-self:flex-start;margin-top:4px}
.more-btn:hover{border-color:var(--primary);color:var(--primary)}

/* 商品网格 */
.grid{padding:8px 10px 90px;display:grid;grid-template-columns:1fr 1fr;gap:10px}
.gcard{background:var(--card);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);transition:.25s;position:relative}
.gcard:active{transform:scale(.97)}
.gcard .ph{aspect-ratio:1/1;overflow:hidden;background:#f3e9e6}
.gcard .ph img{width:100%;height:100%;object-fit:cover}
.gcard .info{padding:10px 11px 12px}
.gcard .nm{font-size:14px;font-weight:500;line-height:1.35;height:38px;overflow:hidden}
.gcard .br{font-size:11px;color:var(--sub);margin:3px 0 6px}
.gcard .pr{color:var(--accent);font-weight:600;font-size:15px}
.gcard .pr small{color:var(--sub);font-weight:400;font-size:11px;text-decoration:line-through;margin-left:5px}
.share-ico{position:absolute;top:8px;right:8px;width:30px;height:30px;border-radius:50%;background:rgba(255,255,255,.85);display:flex;align-items:center;justify-content:center;color:var(--primary);backdrop-filter:blur(4px)}
.loadmore{text-align:center;padding:14px;color:var(--sub);font-size:12px}
.empty{text-align:center;color:var(--sub);padding:70px 20px}
.empty .big{font-size:40px;margin-bottom:10px}

/* 详情页 */
.detail{position:relative}
.gallery{position:relative;background:#000}
.gallery .slide{display:none}
.gallery .slide.active{display:block}
.gallery img{width:100%;aspect-ratio:1/1;object-fit:cover}
.dots{position:absolute;bottom:12px;left:0;right:0;display:flex;gap:6px;justify-content:center}
.dots i{width:7px;height:7px;border-radius:50%;background:rgba(255,255,255,.5)}
.dots i.on{background:#fff;width:18px;border-radius:4px}
/* 详情下方全部图片：单列大图，自适应手机宽度 */
.imgwall{display:flex;flex-direction:column;gap:8px}
.imgwall img{width:100%;height:auto;display:block;border-radius:8px;background:#f2eded}
.dhead{padding:16px 16px 8px}
.dhead .dname{font-size:20px;font-weight:600}
.dhead .dbrand{color:var(--sub);font-size:13px;margin-top:3px}
.dprice{margin:6px 16px 0;display:flex;align-items:baseline;gap:10px}
.dprice .now{color:var(--accent);font-size:24px;font-weight:600}
.dprice .ws{color:var(--sub);font-size:13px}
.sec{padding:14px 16px}
.sec .st{font-size:14px;font-weight:600;display:flex;align-items:center;gap:7px;margin-bottom:8px;color:var(--primary-dark)}
.sec .st .bar{width:3px;height:14px;border-radius:3px;background:var(--primary)}
.sec .row{display:flex;gap:12px;padding:7px 0;border-bottom:1px dashed #f0e3df;font-size:13px}
.sec .row:last-child{border-bottom:none}
.sec .row .k{color:var(--sub);flex:0 0 64px}
.sec .row .v{flex:1;color:var(--text)}
.desc{color:var(--sub);font-size:13px;line-height:1.8;white-space:pre-wrap}
.buybar{position:fixed;bottom:0;left:0;right:0;max-width:480px;margin:0 auto;background:rgba(255,255,255,.95);backdrop-filter:blur(8px);border-top:1px solid #f0e3df;padding:10px 14px;display:flex;align-items:center;gap:12px;z-index:40}
.buybar .txt{font-size:12px;color:var(--sub);line-height:1.3}
.buybar .txt b{color:var(--primary-dark);font-size:13px}
/* buybar 按钮统一风格见下方 */
.backs{position:fixed;top:14px;left:14px;z-index:50;width:36px;height:36px;border-radius:50%;background:rgba(255,255,255,.85);display:flex;align-items:center;justify-content:center;color:var(--primary-dark);backdrop-filter:blur(4px);box-shadow:var(--shadow)}

/* 分享弹层 */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:60;display:none;align-items:center;justify-content:center;padding:24px}
.mask.show{display:flex}
.sheet{background:#fff;border-radius:18px;width:100%;max-width:340px;padding:20px;text-align:center}
.sheet h3{font-size:16px;margin-bottom:14px}
.sheet .poster{border-radius:12px;overflow:hidden;box-shadow:var(--shadow);margin-bottom:14px}
.sheet .poster canvas{width:100%;display:block}
.share-actions{display:flex;gap:10px}
.share-actions .btn{flex:1;justify-content:center}
.toast{position:fixed;bottom:90px;left:50%;transform:translateX(-50%);background:rgba(58,46,46,.92);color:#fff;padding:9px 18px;border-radius:22px;font-size:13px;z-index:80;opacity:0;transition:.25s;pointer-events:none}
.toast.show{opacity:1}

/* 筛选吸顶容器 */
.filterwrap{position:sticky;top:98px;z-index:25;background:var(--bg);padding:2px 0 6px}
/* 排序 + 结果数 */
.subbar{display:flex;align-items:center;justify-content:space-between;padding:6px 14px 2px}
.subbar .count{font-size:12px;color:var(--sub)}
.sorts{display:flex;gap:16px}
.sbtn{font-size:13px;color:var(--sub);position:relative;cursor:pointer}
.sbtn.on{color:var(--primary-dark);font-weight:600}
.sbtn.on::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--primary)}

/* 卡片增强：批发角标 + 批发价 + 入场淡入 */
.gcard .corner{position:absolute;top:8px;left:8px;background:var(--accent);color:#fff;font-size:10px;padding:2px 7px;border-radius:10px;z-index:2}
.gcard .ws{font-size:11px;color:var(--primary-dark);margin-top:1px}
.gcard{animation:fadeUp .42s ease both}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px)}to{opacity:1;transform:none}}

/* 无限滚动：加载指示 */
.sentinel{text-align:center;padding:16px;color:var(--sub);font-size:12px;min-height:44px}
.spinner{display:none;width:22px;height:22px;margin:0 auto 6px;border:3px solid #ecdcd8;border-top-color:var(--primary);border-radius:50%;animation:spin .8s linear infinite}
@keyframes spin{to{transform:rotate(360deg)}}

/* 详情页：面包屑 */
.crumb{padding:10px 14px;font-size:12px;color:var(--sub);display:flex;gap:6px;align-items:center;flex-wrap:wrap}
.crumb a{color:var(--primary-dark)}
.crumb em{font-style:normal;color:var(--text)}

/* 详情页：图片缩略图 */
.thumbs{display:flex;gap:6px;padding:8px 12px;overflow-x:auto;scrollbar-width:none}
.thumbs::-webkit-scrollbar{display:none}
.thumbs .t{width:50px;height:50px;border-radius:8px;object-fit:cover;border:2px solid transparent;flex:0 0 auto;cursor:pointer}
.thumbs .t.on{border-color:var(--primary)}

/* 详情页：相关推荐 */
.rel-scroll{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none}
.rel-scroll::-webkit-scrollbar{display:none}
.rel-card{flex:0 0 38%;background:#fff;border-radius:12px;overflow:hidden;box-shadow:var(--shadow)}
.rel-card .ph{aspect-ratio:1/1;background:#f3e9e6}
.rel-card .ph img{width:100%;height:100%;object-fit:cover}
.rel-card .nm{font-size:12px;padding:6px 8px 0;line-height:1.3;height:32px;overflow:hidden}
.rel-card .pr{color:var(--accent);font-weight:600;font-size:13px;padding:2px 8px 8px}

/* 详情页 buybar 按钮统一风格 */
.buybar .home-btn,
.buybar .wx-btn,
.buybar .share-btn{background:#fff;color:var(--primary-dark);border:1px solid var(--primary);border-radius:24px;padding:10px 20px;font-size:14px;font-weight:500}
.buybar .home-btn{text-decoration:none}
.buybar .wx-btn{font-family:inherit;cursor:pointer}
.buybar .share-btn{font-family:inherit;cursor:pointer;margin-left:auto}