:root{
  --bg:#f5f6fa; --card:#fff; --primary:#3b5bff; --primary-d:#2742d6;
  --text:#1f2330; --muted:#8a90a2; --line:#eceef3; --ok:#19be6b; --warn:#ff9900; --err:#ed4014;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased}
a{color:var(--primary)}
.wrap{max-width:1080px;margin:0 auto;padding:0 16px}
.wrap.narrow{max-width:640px}

.topbar{background:linear-gradient(135deg,var(--primary),#6a7bff);color:#fff;padding:16px 0;box-shadow:0 2px 12px rgba(59,91,255,.25)}
.topbar .wrap{display:flex;align-items:center;justify-content:space-between}
.brand{font-size:20px;font-weight:700;letter-spacing:1px}
.link-order{color:#fff;text-decoration:none;font-size:14px;opacity:.95;border:1px solid rgba(255,255,255,.5);padding:6px 14px;border-radius:20px}

.searchbar{display:flex;gap:10px;margin:20px 0}
.searchbar input,.searchbar select{flex:1;height:44px;border:1px solid var(--line);border-radius:10px;padding:0 14px;font-size:15px;background:#fff;outline:none}
.searchbar select{flex:0 0 120px}
.searchbar button{flex:0 0 88px;height:44px;border:0;border-radius:10px;background:var(--primary);color:#fff;font-size:15px;cursor:pointer;transition:.15s}
.searchbar button:hover{background:var(--primary-d)}

.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:14px;padding-bottom:40px}
.goods{background:var(--card);border-radius:14px;padding:16px;cursor:pointer;transition:.15s;border:1px solid var(--line);display:flex;flex-direction:column;gap:8px}
.goods:hover{transform:translateY(-3px);box-shadow:0 8px 24px rgba(31,35,48,.1);border-color:#dfe3ff}
.goods .g-name{font-size:15px;font-weight:600;line-height:1.4;min-height:42px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.goods .g-bottom{display:flex;align-items:center;justify-content:space-between}
.goods .g-price{color:var(--err);font-size:18px;font-weight:700}
.goods .g-price small{font-size:12px;font-weight:400}
.goods .g-tag{font-size:11px;color:var(--primary);background:#eef1ff;padding:2px 8px;border-radius:6px}
.goods .g-stock{font-size:12px;color:var(--muted)}
.goods.out{opacity:.5;pointer-events:none}

.loading,.empty{text-align:center;color:var(--muted);padding:40px 0}

.modal{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center;z-index:50}
@media(min-width:560px){.modal{align-items:center}}
.modal-card{background:#fff;width:100%;max-width:440px;border-radius:18px 18px 0 0;overflow:hidden;animation:up .2s ease}
@media(min-width:560px){.modal-card{border-radius:18px}}
@keyframes up{from{transform:translateY(40px);opacity:.6}to{transform:none;opacity:1}}
.modal-head{display:flex;justify-content:space-between;align-items:center;padding:16px 18px;border-bottom:1px solid var(--line);font-weight:600}
.modal-head .close{cursor:pointer;font-size:24px;color:var(--muted);line-height:1}
.modal-body{padding:18px}
.row{display:flex;justify-content:space-between;align-items:center;padding:10px 0;font-size:15px}
.row span:first-child{color:var(--muted)}
.row.total b{color:var(--err);font-size:20px}
.field{margin:10px 0}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field input{width:100%;height:42px;border:1px solid var(--line);border-radius:10px;padding:0 12px;font-size:15px;outline:none}
.field input:focus{border-color:var(--primary)}
.stepper{display:flex;align-items:center;gap:0}
.stepper button{width:36px;height:36px;border:1px solid var(--line);background:#fff;font-size:18px;cursor:pointer}
.stepper button:first-child{border-radius:8px 0 0 8px}
.stepper button:last-child{border-radius:0 8px 8px 0}
.stepper input{width:54px;height:36px;text-align:center;border:1px solid var(--line);border-left:0;border-right:0;font-size:15px}
.btn-primary{width:100%;height:48px;border:0;border-radius:12px;background:var(--primary);color:#fff;font-size:16px;font-weight:600;cursor:pointer;margin-top:8px;transition:.15s}
.btn-primary:hover{background:var(--primary-d)}
.btn-primary:disabled{opacity:.6;cursor:not-allowed}
.tip{font-size:12px;color:var(--muted);text-align:center;margin-top:12px;line-height:1.6}

.page-title{margin:20px 0 4px;font-size:20px}
.order-result{margin-top:16px}
.order-card{background:#fff;border-radius:14px;padding:8px 18px;border:1px solid var(--line)}
.order-card .row{border-bottom:1px dashed var(--line)}
.order-card .row:last-child{border-bottom:0}
.s5{color:var(--ok)} .s4{color:var(--err)} .s3,.s9{color:var(--warn)} .s2{color:var(--muted)}
.cards{padding:12px 0}
.cards .card{background:#f7f8fc;border-radius:8px;padding:10px;margin-top:8px;font-size:13px;word-break:break-all}
.result-icon{text-align:center;font-size:48px;margin:10px 0}
.result-msg{text-align:center;font-size:16px;margin-bottom:8px}
.result-no{text-align:center;color:var(--muted);font-size:13px;word-break:break-all}