:root{--navy:#123b62;--blue:#1769aa;--blue2:#0d548c;--red:#c6383f;--ink:#193247;--muted:#6a7f90;--line:#d6e3ed;--bg:#f3f7fa;--white:#fff;--green:#12815f;--amber:#a86809;--shadow:0 10px 28px rgba(26,67,98,.09)}
*{box-sizing:border-box}html,body{margin:0;min-height:100%;font:15px/1.5 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:var(--ink);background:var(--bg);letter-spacing:0}button,input,select,textarea{font:inherit;letter-spacing:0}button{cursor:pointer}.hidden{display:none!important}.shell{min-height:100vh}.top{height:72px;display:flex;align-items:center;gap:20px;padding:0 28px;background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:10}.brand{display:flex;align-items:center;gap:10px;min-width:245px;color:var(--navy)}.brand-mark{width:48px;height:38px;display:grid;place-items:center;background:var(--blue);color:#fff;font-weight:800;font-size:12px}.brand strong{display:block;font-size:17px}.brand small{display:block;color:var(--muted);font-size:12px}.searchbar{display:flex;flex:1;max-width:760px;height:42px;border:2px solid var(--blue);background:#fff}.searchbar input{flex:1;min-width:0;border:0;padding:0 14px;outline:0}.searchbar button{width:76px;border:0;background:var(--blue);color:#fff}.top-actions{margin-left:auto;display:flex;gap:8px}.btn{height:38px;padding:0 14px;border:1px solid var(--line);background:#fff;color:#36576f}.btn:hover{border-color:#8fbedc}.btn.primary{border-color:var(--blue);background:var(--blue);color:#fff}.btn.danger{border-color:#edc3c6;color:var(--red);background:#fff8f8}.btn.small{height:30px;padding:0 9px;font-size:12px}.icon-btn{width:40px;padding:0}.workspace{display:grid;grid-template-columns:235px minmax(900px,1fr);min-width:1180px}.side{min-height:calc(100vh - 72px);padding:20px 13px;background:#fff;border-right:1px solid var(--line)}.side h2{margin:0 10px 12px;font-size:14px;color:var(--navy)}.category{width:100%;height:40px;border:0;border-radius:6px;background:transparent;color:#456276;text-align:left;padding:0 12px}.category:hover,.category.active{background:#e8f3fb;color:var(--blue);font-weight:700}.category.child{padding-left:27px;font-size:13px}.main{min-width:0;padding:22px 26px 50px}.page-head{display:flex;align-items:end;justify-content:space-between;margin-bottom:14px}.page-head h1{margin:0;color:var(--navy);font-size:22px}.page-head p{margin:3px 0 0;color:var(--muted);font-size:12px}.product-list{border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}.product-head,.product-row{display:grid;grid-template-columns:84px minmax(210px,1.2fr) minmax(230px,1.4fr) 92px 108px 120px 100px;align-items:center;gap:13px;padding:0 16px}.product-head{height:43px;background:#edf5fa;color:#5d7485;font-size:12px;font-weight:700}.product-row{min-height:100px;border-top:1px solid #e7eef4}.product-row:hover{background:#fbfdff}.thumb{width:72px;height:72px;object-fit:contain;border:1px solid #dce8f0;background:#fff}.product-name strong{display:block;color:var(--navy)}.product-name small,.spec small{display:block;color:var(--muted);font-size:12px;margin-top:3px}.price strong{display:block;color:var(--red);font-size:17px}.price small{font-size:11px;color:var(--muted)}.stock{font-size:12px;font-weight:700;color:var(--green)}.stock.low{color:var(--amber)}.stock.out{color:var(--red)}.stepper{display:grid;grid-template-columns:30px 42px 30px;height:32px}.stepper button,.stepper input{min-width:0;border:1px solid var(--line);background:#fff;text-align:center}.stepper input{border-left:0;border-right:0;appearance:textfield}.pager{display:flex;justify-content:center;gap:8px;margin-top:18px}.modal-bg{position:fixed;inset:0;z-index:40;display:none;align-items:center;justify-content:center;padding:24px;background:rgba(7,27,43,.55)}.modal-bg.open{display:flex}.modal{width:min(760px,95vw);max-height:90vh;overflow:auto;background:#fff;box-shadow:0 24px 70px rgba(0,0,0,.28)}.modal-head{height:60px;display:flex;align-items:center;justify-content:space-between;padding:0 20px;border-bottom:1px solid var(--line)}.modal-head h2{font-size:18px;color:var(--navy)}.modal-body{padding:20px}.modal-foot{display:flex;justify-content:flex-end;gap:8px;padding:14px 20px;border-top:1px solid var(--line)}.close{width:34px;height:34px;border:0;background:#fff;font-size:22px;color:var(--muted)}.form{display:grid;gap:13px}.form.two{grid-template-columns:1fr 1fr}.form label{display:grid;gap:5px;color:#547085;font-size:12px}.form input,.form textarea,.form select{width:100%;height:40px;border:1px solid var(--line);padding:0 11px}.form textarea{height:80px;padding-top:9px}.wide{grid-column:1/-1}.login-page{min-height:100vh;display:grid;grid-template-columns:minmax(520px,1.25fr) minmax(380px,.75fr);background:#edf4f8}.login-visual{position:relative;display:flex;align-items:flex-end;padding:64px;background:linear-gradient(135deg,#0c4775,#1988bf);color:#fff;overflow:hidden}.login-visual:before{content:"";position:absolute;inset:10% 8%;border:1px solid rgba(255,255,255,.2);background:linear-gradient(90deg,transparent 49.8%,rgba(255,255,255,.08) 50%,transparent 50.2%),linear-gradient(transparent 49.8%,rgba(255,255,255,.08) 50%,transparent 50.2%);background-size:80px 80px}.login-copy{position:relative;max-width:560px}.login-copy b{font-size:40px;display:block}.login-copy span{font-size:21px}.login-panel{display:grid;place-items:center;padding:42px}.login-card{width:min(390px,100%);padding:34px;background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.login-card h1{margin:0;color:var(--navy);font-size:24px}.login-card p{margin:5px 0 24px;color:var(--muted)}.notice{padding:11px 13px;background:#eef7fd;border-left:4px solid var(--blue);font-size:12px;color:#486a82}.error{color:var(--red);font-size:12px;min-height:18px}.cart-row,.order-row{display:grid;grid-template-columns:1fr 92px 100px;gap:12px;align-items:center;padding:12px 0;border-bottom:1px solid #e8eff4}.summary{display:flex;justify-content:space-between;padding:16px 0;font-size:17px}.empty{padding:48px;text-align:center;color:var(--muted)}.detail-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}.detail-grid div{padding:12px;background:#f5f9fc}.detail-grid b{display:block;color:var(--navy);font-size:12px;margin-bottom:4px}.zoom-img{max-width:90vw;max-height:86vh;object-fit:contain;background:#fff}.toast{position:fixed;right:24px;bottom:24px;z-index:60;display:none;max-width:420px;padding:12px 16px;background:#173d59;color:#fff;box-shadow:var(--shadow)}.toast.show{display:block}.admin-layout{display:grid;grid-template-columns:240px 1fr;min-height:100vh}.admin-side{background:#fff;border-right:1px solid var(--line);padding:18px 12px}.admin-side .brand{min-width:0;margin:0 7px 18px}.admin-nav{display:grid;gap:5px}.admin-nav button{height:42px;border:0;border-radius:6px;background:#fff;text-align:left;padding:0 13px;color:#466278}.admin-nav button.active{background:#e8f3fb;color:var(--blue);font-weight:700}.admin-main{min-width:0}.admin-top{height:72px;display:flex;align-items:center;justify-content:space-between;padding:0 26px;background:#fff;border-bottom:1px solid var(--line)}.admin-content{padding:24px 27px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}.card,.panel{background:#fff;border:1px solid var(--line);box-shadow:var(--shadow)}.card{padding:18px}.card span{font-size:12px;color:var(--muted)}.card strong{display:block;font-size:27px;color:var(--navy);margin-top:8px}.panel{margin-top:16px}.panel-title{display:flex;align-items:center;justify-content:space-between;min-height:59px;padding:0 17px;border-bottom:1px solid var(--line)}.panel-title h2{font-size:16px;color:var(--navy)}.panel-body{padding:17px}.table-wrap{overflow:auto}.table{width:100%;min-width:880px;border-collapse:collapse}.table th{height:42px;padding:0 12px;background:#edf5fa;text-align:left;color:#5c7182;font-size:12px}.table td{padding:11px 12px;border-bottom:1px solid #e8eff4}.toolbar{display:flex;gap:8px;align-items:center;justify-content:space-between;margin-bottom:13px}.toolbar input,.toolbar select{height:38px;border:1px solid var(--line);padding:0 10px}.tag{display:inline-block;padding:3px 8px;border-radius:20px;background:#e9f5fd;color:var(--blue);font-size:11px}.tag.good{background:#eaf8f3;color:var(--green)}.tag.warn{background:#fff3dd;color:var(--amber)}
.import-rules,.sync-rules{margin-bottom:13px}.category-level{font-size:12px;font-weight:700;color:var(--navy)}
.selected-sync-panel .notice{margin-bottom:14px}.selected-sync-form textarea{height:72px}.selected-sync-actions{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.selected-sync-result{margin-top:14px;margin-bottom:0}
.scanner-modal{width:min(520px,96vw)}.scanner-frame{position:relative;overflow:hidden;width:100%;aspect-ratio:4/3;background:#0b1720}.scanner-frame video{display:block;width:100%;height:100%;object-fit:cover}.scanner-guide{position:absolute;inset:20%;border:3px solid #fff;box-shadow:0 0 0 999px rgba(5,20,31,.35)}.scanner-status{margin:14px 0 4px;color:var(--navy);font-weight:700;text-align:center}.scanner-help{margin:0 0 14px;color:var(--muted);font-size:13px;text-align:center}.scanner-upload{display:grid;place-items:center;width:100%}
@media(max-width:760px){.login-page{display:block}.login-visual{min-height:33vh;padding:28px}.login-copy b{font-size:28px}.login-panel{padding:18px}.workspace{display:block;min-width:0}.side{min-height:0;display:flex;overflow:auto;padding:8px}.side h2{display:none}.category{min-width:max-content}.top{height:auto;min-height:116px;display:grid;grid-template-columns:48px minmax(0,1fr);padding:10px 12px;gap:8px}.brand{min-width:0}.brand span{display:none}.searchbar{height:38px;max-width:none}.top-actions{grid-column:1/-1;width:100%;margin-left:0;display:grid;grid-template-columns:repeat(3,minmax(0,1fr))}.top-actions .btn{padding:0 6px;white-space:nowrap}.product-head{display:none}.product-row{grid-template-columns:70px minmax(0,1fr) 92px;padding:12px;gap:9px}.product-row>.spec{grid-column:2/4}.product-row>.stock{grid-column:2}.product-row>.price{grid-column:3}.product-row>.stepper{grid-column:2}.product-row>.add{grid-column:3}.main{padding:14px}.admin-layout{display:block}.admin-side{position:static}.admin-nav{display:flex;overflow:auto}.admin-nav button{min-width:max-content}.cards{grid-template-columns:1fr 1fr}.form.two{grid-template-columns:1fr}.wide{grid-column:auto}.scanner-modal .modal-body{padding:12px}.scanner-frame{aspect-ratio:3/4}}

.category-intro{margin:0 0 14px;padding:15px 17px;border:1px solid #b9d8eb;border-left:4px solid var(--blue);background:#f4faff;color:#456276;box-shadow:0 2px 8px rgba(18,87,128,.06)}
.category-intro strong{display:block;margin-bottom:5px;color:var(--navy);font-size:16px}
.category-intro p{margin:0;white-space:pre-wrap;line-height:1.75}
.category-description-preview{display:block;max-width:300px;color:var(--muted);font-size:12px;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.category-parent{display:flex;align-items:center;justify-content:space-between;font-weight:600}
.category-chevron{font-size:17px;line-height:1;color:var(--blue);margin-left:8px}
.category-children{padding-left:8px}
.category-children.hidden{display:none}
.category-child-row.hidden{display:none}
.category-primary-row{cursor:pointer;background:#f8fbfd}
.category-primary-row:hover{background:#edf6fb}
.category-tree-toggle{display:inline-grid;place-items:center;width:22px;height:22px;margin-right:3px;border:1px solid #b9d6e8;border-radius:4px;background:#fff;color:var(--blue);font-weight:800}
.customer-toolbar>div{display:flex;align-items:center;gap:8px;flex-wrap:wrap}.customer-table{min-width:1120px}.customer-table th:first-child,.customer-table td:first-child{width:42px;text-align:center}.permission-modal{width:min(820px,95vw)}.permission-help{margin:14px 0}.permission-tree{display:grid;gap:10px;max-height:52vh;overflow:auto;padding-right:5px}.permission-group{border:1px solid var(--line);background:#fff}.permission-primary{display:flex;align-items:center;gap:8px;min-height:46px;padding:0 14px;background:#edf5fa;color:var(--navy)}.permission-primary>span{margin-left:auto;color:var(--muted);font-size:12px}.permission-primary small{color:var(--amber);font-weight:400}.permission-children{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0;border-top:1px solid var(--line)}.permission-children label{display:flex;align-items:center;gap:7px;min-height:42px;padding:7px 14px;border-bottom:1px solid #e8eff4}.permission-children label:nth-child(odd){border-right:1px solid #e8eff4}.permission-children label small{margin-left:auto;color:var(--muted);font-size:11px}.permission-leaf{margin:0;padding:10px 14px;color:var(--muted);font-size:12px}.feedback-table{min-width:1020px}.feedback-table td:nth-child(4){max-width:420px}.feedback-message{display:block;white-space:pre-wrap;overflow-wrap:anywhere}.feedback-detail{margin-bottom:16px;padding:14px;background:#f3f8fb;border-left:4px solid var(--blue)}.feedback-detail strong,.feedback-detail small{display:block}.feedback-detail small{margin-top:3px;color:var(--muted)}.feedback-detail p{margin:12px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}.empty.compact{padding:18px}.personal-section{margin-top:18px;padding-top:18px;border-top:1px solid var(--line)}.personal-section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.personal-section-head h3{margin:0;color:var(--navy);font-size:16px}.personal-hint{margin:5px 0 10px;color:var(--muted);font-size:12px}.feedback-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;align-items:start;padding:12px 0;border-bottom:1px solid #e8eff4}.feedback-row strong,.feedback-row small{display:block}.feedback-row small{margin-top:2px;color:var(--muted);font-size:11px}.feedback-row p{margin:7px 0 0;white-space:pre-wrap;overflow-wrap:anywhere}.feedback-modal .form textarea{height:150px}.personal-modal{width:min(820px,95vw)}
@media(max-width:760px){.customer-toolbar{align-items:stretch}.customer-toolbar>div{width:100%}.permission-children{grid-template-columns:1fr}.permission-children label:nth-child(odd){border-right:0}.permission-tree{max-height:60vh}}