:root{font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;color:#173141;background:#f2f5f7;font-size:16px;--blue:#0b4768;--line:#dce4e9}*{box-sizing:border-box}body{margin:0}header{padding:20px max(20px,calc((100vw - 900px)/2));background:var(--blue);color:#fff;display:flex;align-items:center;justify-content:space-between}.brand{font-size:25px;font-weight:750;white-space:nowrap}.brand span{font-size:16px;font-weight:400;margin-left:12px;letter-spacing:2px}main{max-width:900px;margin:0 auto;padding:20px 16px 28px}h1{font-size:26px}h2{font-size:20px;margin:28px 0 14px}p,small{color:#607480;line-height:1.65}small{font-size:12px}button,input,textarea{font:inherit}button{min-height:46px;border:1px solid var(--line);background:#fff;color:var(--blue);border-radius:10px;padding:10px 15px;cursor:pointer;font-weight:600}button:disabled{opacity:.5;cursor:wait}.primary{background:var(--blue);color:white;border-color:var(--blue)}label{display:block;font-size:14px;font-weight:600;margin-bottom:14px}input,textarea{display:block;width:100%;margin-top:8px;padding:13px;border:1px solid #bdcdd7;border-radius:9px;background:white;color:#173141;font-size:17px;min-height:48px}input:focus,textarea:focus{outline:2px solid #62a8cf;outline-offset:2px}nav{display:flex;gap:6px;margin-bottom:24px}nav button{flex:1;padding:10px 7px;font-size:14px;white-space:nowrap}nav .active{background:var(--blue);color:#fff}#badge{display:inline-flex;background:#e3edf2;color:var(--blue);border-radius:20px;min-width:20px;justify-content:center;font-size:12px}.searchbox label{font-size:20px;font-weight:750}.searchbox input{background:#fff;font-size:18px}.searchbox p{font-size:13px}.product,.item,.record{background:#fff;border:1px solid var(--line);padding:16px;border-radius:12px;margin-bottom:10px}.product{display:flex;gap:12px;align-items:center;justify-content:space-between}.product>div{min-width:0}.model{font-size:17px;font-weight:700;overflow-wrap:anywhere}.spec{font-size:13px;color:#667c89;margin-top:5px}.price{font-size:20px;color:var(--blue);font-weight:750;margin-top:8px}.price small{font-size:12px;margin-right:8px;font-weight:400}.pending{font-size:12px;color:#945100;background:#fff3d8;display:inline-block;padding:3px 7px;border-radius:5px;margin-top:6px}.product button{flex-shrink:0;min-width:65px}.itemHead{display:flex;justify-content:space-between;gap:10px}.itemHead button{font-size:13px;min-height:32px;padding:5px 8px;border:none;color:#7c5660}.itemGrid{display:grid;grid-template-columns:1fr 100px 1fr;gap:12px;align-items:center;margin-top:12px}.itemGrid label{margin:0}.itemGrid input{margin-top:4px;text-align:center;padding:9px}.itemGrid strong{display:block;margin-top:5px}.right{text-align:right}.empty{border:1px dashed #bcced8;padding:25px;text-align:center;border-radius:10px}.checkout{position:sticky;bottom:0;background:#fff;border:1px solid var(--line);box-shadow:0 -6px 24px #1731410b;padding:16px;padding-bottom:max(16px,env(safe-area-inset-bottom));display:grid;grid-template-columns:130px 1fr;gap:12px;border-radius:14px;margin-top:22px}.checkout label{margin:0}.checkout input{margin:7px 0 0;font-size:22px;font-weight:700}.total{text-align:right;align-self:center}.total strong{display:block;font-size:30px;color:var(--blue);margin:4px 0}.total small{display:block}.actions{display:flex;gap:10px;grid-column:1/-1}.actions button{flex:1}#discountText{font-size:13px;color:#397597;margin-left:5px}details{margin:20px 0;background:#fff;padding:16px;border:1px solid var(--line);border-radius:12px}summary{cursor:pointer;font-weight:600}#login{max-width:440px;padding-top:60px}#loginForm button{width:100%;margin-top:14px}#toast{position:fixed;bottom:30px;left:50%;transform:translateX(-50%);z-index:20;max-width:90vw;background:#173141;color:white;padding:14px 22px;border-radius:9px;display:none}dialog{border:1px solid var(--line);border-radius:16px;max-width:500px;width:94%;padding:24px}dialog::backdrop{background:#17314188}.check{display:flex;align-items:center;gap:10px;line-height:1.6}.check input{width:20px;min-height:20px;margin:0}#customerView{background:white;min-height:100vh;position:absolute;inset:0;z-index:10;padding:18px}#quotePaper{max-width:800px;margin:25px auto}.customerToolbar{display:flex;justify-content:space-between;gap:10px}.paperHead{border-bottom:3px solid var(--blue);padding-bottom:20px;margin-bottom:20px}.paperHead h1{color:var(--blue);font-size:28px;margin:0}.paperRow{border-bottom:1px solid var(--line);padding:16px 0}.paperRow .model{margin-bottom:10px}.paperNumbers{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}.paperNumbers strong{display:block;font-size:15px;margin-top:5px}.paperTotal{text-align:right;font-size:30px;color:var(--blue);font-weight:750;margin-top:25px}[hidden]{display:none!important}@media(min-width:700px){#results{display:grid;grid-template-columns:1fr 1fr;gap:10px}.product{margin:0}.checkout{grid-template-columns:150px 1fr 280px;align-items:center}.checkout .actions{grid-column:auto}.total small:last-child{font-size:12px}}@media print{body>header,body>main,#toast,.customerToolbar{display:none!important}#customerView{position:static;padding:0}#quotePaper{margin:0;max-width:none}.paperRow{break-inside:avoid}button{display:none}}@media(max-width:370px){.paperNumbers{grid-template-columns:1fr 1fr}.total strong{font-size:25px}}

.itemGrid{grid-template-columns:1fr 1fr}.quantity{grid-column:1/-1;grid-row:2}.stepper{display:flex;align-items:center;margin-top:5px;width:100%;max-width:300px}.stepper button{flex:0 0 48px;height:48px;font-size:23px;padding:5px}.stepper input{min-width:0;flex:1;margin:0 8px;appearance:textfield}.stepper input::-webkit-inner-spin-button{appearance:none}.customerToolbar{flex-wrap:wrap}.customerToolbar button{font-size:14px}

select{display:block;width:100%;min-height:50px;font:inherit;font-size:17px;color:#173141;background:white;border:1px solid #bdcdd7;border-radius:9px;padding:10px;margin-top:8px}.selector h2{margin-top:0}.dimensionRow{display:grid;grid-template-columns:1fr 1fr;gap:12px}.searchDetails{padding:14px}.searchDetails .searchbox{margin-top:20px}

.addControls{display:flex;align-items:end;gap:8px;flex-shrink:0}.addControls label{width:88px;margin:0}.addControls input{margin-top:4px;padding:10px;min-width:0}.product{flex-wrap:wrap}.company{max-width:868px;margin:12px auto 24px;padding:18px;background:white;border:1px solid var(--line);border-radius:12px}.companyHeading{display:flex;justify-content:space-between;align-items:center;gap:14px;flex-wrap:wrap}.companyHeading small{display:block}.contactActions{display:flex;gap:8px;align-items:center}.contactActions a{display:block;padding:12px;border-radius:10px;background:var(--blue);color:white;text-decoration:none;min-height:46px}.company a{color:var(--blue)}.company .contactActions a{color:white}.company details{margin-bottom:0}.company p{font-size:15px}.wechatQr svg{width:100%;height:auto;max-width:280px;display:block;margin:auto}#wechatDialog{text-align:center}#wechatDialog h2{margin-top:0}@media(max-width:900px){.company{margin:12px 16px 24px}}@media print{.company,#wechatDialog{display:none!important}}