:root{--g:#2f7d4f;--g2:#e8f3ec;--bg:#f5f8f6;--tx:#1d2b24;--bd:#d6e2da}
@media(prefers-color-scheme:dark){:root{--g:#5fbf86;--g2:#1f3328;--bg:#121a15;--tx:#e6efe9;--bd:#2c4035}}
*{box-sizing:border-box}body{margin:0;font-family:'Microsoft JhengHei',system-ui,sans-serif;background:var(--bg);color:var(--tx)}
header{background:var(--g);color:#fff;padding:10px 16px;display:flex;align-items:center;gap:10px;position:sticky;top:0;z-index:5}
header img{height:34px}header b{flex:1}header button{background:#fff3;color:#fff;border:0;border-radius:8px;padding:6px 10px}
.wrap{max-width:1000px;margin:0 auto;padding:14px}
.tabs{display:flex;gap:6px;margin-bottom:10px;overflow-x:auto}.tabs button,.chip{border:1px solid var(--bd);background:#fff0;color:var(--tx);border-radius:20px;padding:6px 14px;white-space:nowrap}
.tabs button.on,.chip.on{background:var(--g);color:#fff;border-color:var(--g)}
input,select,textarea{width:100%;padding:9px;border:1px solid var(--bd);border-radius:8px;background:var(--bg);color:var(--tx);font:inherit}
.btn{background:var(--g);color:#fff;border:0;border-radius:8px;padding:9px 16px;font:inherit;cursor:pointer}.btn.s{background:none;color:var(--g);border:1px solid var(--g)}.btn.d{background:#c0392b}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:12px;margin-top:10px}
.card{background:var(--g2);border:1px solid var(--bd);border-radius:12px;overflow:hidden;cursor:pointer}
.card img{width:100%;aspect-ratio:1;object-fit:cover;background:#fff}.card div{padding:8px 10px;font-size:13px}
.box{background:var(--g2);border:1px solid var(--bd);border-radius:12px;padding:14px;margin-bottom:12px}
.modal{position:fixed;inset:0;background:#0008;display:flex;align-items:flex-end;justify-content:center;z-index:20}
.modal>div{background:var(--bg);width:100%;max-width:640px;max-height:92vh;overflow:auto;border-radius:16px 16px 0 0;padding:16px}
.car{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;gap:6px}.car img{width:100%;flex:0 0 100%;scroll-snap-align:center;aspect-ratio:1;object-fit:contain;background:#fff;border-radius:10px}
.row{display:flex;gap:8px;align-items:center;padding:8px 0;border-bottom:1px solid var(--bd)}.row>div:first-child{flex:1;font-size:13px}
.qty{width:70px}.toast{position:fixed;bottom:24px;left:50%;transform:translateX(-50%);background:#222;color:#fff;padding:10px 18px;border-radius:20px;z-index:99}
.tag{display:inline-block;background:var(--g);color:#fff;border-radius:10px;padding:2px 8px;font-size:12px}
table{width:100%;border-collapse:collapse}td,th{border-bottom:1px solid var(--bd);padding:6px;text-align:left;font-size:13px}
.auth{max-width:380px;margin:40px auto}.auth input{margin-bottom:8px}.muted{color:#7a8b81;font-size:12px}
/* v5.1 蝦皮風格 */
.sbar{position:sticky;top:54px;z-index:4;background:var(--bg);padding:8px 0}
.card{position:relative;background:var(--bg)}.card .nm{height:2.6em;overflow:hidden;line-height:1.3}.card .pr{color:#e8590c;font-weight:700;font-size:15px}
.badge{position:absolute;top:8px;left:8px;background:#0009;color:#fff;border-radius:6px;padding:2px 8px;font-size:12px}
.soldout img{filter:grayscale(1);opacity:.55}
.bar{position:fixed;left:0;right:0;bottom:0;background:var(--g);color:#fff;display:flex;align-items:center;gap:12px;padding:10px 16px;z-index:10;cursor:pointer}
.bar b{flex:1}.bar span{background:#fff;color:var(--g);border-radius:20px;padding:6px 16px;font-weight:700}
.step{display:flex;align-items:center;gap:0}.step button{width:34px;height:34px;border:1px solid var(--bd);background:var(--bg);color:var(--tx);font-size:18px}
.step button:first-child{border-radius:8px 0 0 8px}.step button:last-child{border-radius:0 8px 8px 0}.step input{width:48px;text-align:center;border-radius:0;padding:6px 0;height:34px}
.dots{display:flex;justify-content:center;gap:5px;margin:6px 0}.dots i{width:7px;height:7px;border-radius:50%;background:var(--bd)}.dots i.on{background:var(--g)}
.off{opacity:.45}.low{color:#e8590c;font-size:12px}.wrap{padding-bottom:70px}
/* v5.2 手機優化 */
html{-webkit-text-size-adjust:100%}body{-webkit-tap-highlight-color:transparent;overscroll-behavior-y:none}
input,select,textarea{font-size:16px}
button{touch-action:manipulation}
.tabs{scrollbar-width:none;-webkit-overflow-scrolling:touch}.tabs::-webkit-scrollbar{display:none}
.tabs button,.chip{min-height:38px}
.bar{padding-bottom:calc(10px + env(safe-area-inset-bottom))}
.wrap{padding-bottom:calc(84px + env(safe-area-inset-bottom))}
.modal>div{position:relative;padding-bottom:calc(16px + env(safe-area-inset-bottom));-webkit-overflow-scrolling:touch}
.xbtn{position:absolute;top:8px;right:10px;width:34px;height:34px;border:0;border-radius:50%;background:#0006;color:#fff;font-size:18px;z-index:2}
.step button{width:40px;height:40px}.step input{height:40px;width:52px}
.car{scrollbar-width:none}.car::-webkit-scrollbar{display:none}
@media(max-width:600px){
  .wrap{padding:10px}
  .grid{grid-template-columns:repeat(2,1fr);gap:8px}
  .card div{padding:6px 8px}.card .pr{font-size:15px}
  header{padding:8px 12px}header img{height:30px}
  .modal>div{max-height:94vh;padding:12px}
  .row{flex-wrap:wrap}.row>div:first-child{min-width:60%}
  .box{padding:12px}.auth{margin:20px auto}
  .qty{width:76px}
  table{font-size:12px}
}