:root{--bg:#f3f5f8;--panel:#fff;--ink:#1f2733;--sub:#7b8794;--brand:#2563eb;--brand-deep:#1d4ed8;--brand-ink:#fff;--danger:#dc2626;--ok:#059669;--line:#e4e9ef;--soft-blue:#eef4ff;--radius:10px;--shadow:0 1px 3px #1018280f, 0 8px 24px #1018280d}*{box-sizing:border-box}body,html{margin:0;padding:0}body{background:var(--bg);color:var(--ink);font:14px/1.6 -apple-system,BlinkMacSystemFont,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif}button{cursor:pointer}button,input,select,textarea{font:inherit;color:inherit}img{display:block}.topbar{z-index:50;border-bottom:1px solid var(--line);background:#fff;align-items:center;gap:20px;height:58px;padding:0 24px;display:flex;position:sticky;top:0}.brand{gap:10px;font-weight:700}.brand,.brand-logo{align-items:center;font-size:16px;display:flex}.brand-logo{color:#fff;background:linear-gradient(135deg,#3b82f6,#1d4ed8);border-radius:8px;justify-content:center;width:30px;height:30px;font-weight:800}.brand small{color:var(--sub);margin-left:2px;font-size:12px;font-weight:400}.topbar-tabs{background:#f1f4f8;border-radius:10px;gap:4px;padding:4px;display:flex}.tab-btn{color:var(--sub);background:0 0;border:none;border-radius:7px;align-items:center;gap:6px;padding:7px 18px;font-weight:500;display:flex}.tab-btn:hover{color:var(--ink)}.tab-btn.on{color:var(--brand-deep);background:#fff;font-weight:600;box-shadow:0 1px 4px #10182814}.tab-btn .step{width:18px;height:18px;color:var(--sub);background:#e2e8f0;border-radius:50%;justify-content:center;align-items:center;font-size:11px;display:inline-flex}.tab-btn.on .step{background:var(--brand);color:#fff}.topbar-actions{gap:8px;margin-left:auto;display:flex}.btn-share{color:#0f766e;background:#f0fdfa;border-color:#99f6e4}.btn-share:hover{background:#ccfbf1;border-color:#5eead4}.btn{border:1px solid var(--line);background:#fff;border-radius:8px;align-items:center;gap:6px;padding:8px 16px;font-weight:500;transition:all .15s;display:inline-flex}.btn:hover{background:#f8fafc;border-color:#c9d4e0}.btn:disabled{opacity:.5;cursor:not-allowed}.btn-primary{background:var(--brand);border-color:var(--brand);color:var(--brand-ink)}.btn-primary:hover{background:var(--brand-deep);border-color:var(--brand-deep)}.btn-danger{color:var(--danger);border-color:#f3c7c7}.btn-danger:hover{background:#fef2f2;border-color:#e9a8a8}.btn-sm{border-radius:7px;padding:5px 10px;font-size:13px}.btn-lg{border-radius:10px;padding:11px 22px;font-size:15px}.field{flex-direction:column;gap:6px;display:flex}.field>label{color:#475467;font-size:13px;font-weight:600}.field .req:after{content:" *";color:var(--danger)}.input,.select,.textarea{border:1px solid var(--line);background:#fff;border-radius:8px;outline:none;width:100%;padding:8px 11px;transition:all .15s}.input:focus,.select:focus,.textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px #2563eb1f}.textarea{resize:vertical;min-height:76px}.field-grid2{grid-template-columns:1fr 1fr;gap:14px;display:grid}.field-grid3{grid-template-columns:1fr 1fr 1fr;gap:14px;display:grid}.form-error{color:var(--danger);margin:4px 0 0;font-size:13px}.container{max-width:1240px;margin:0 auto;padding:22px 24px 60px}.panel{background:var(--panel);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:14px}.panel+.panel{margin-top:18px}.panel-head{border-bottom:1px solid var(--line);align-items:center;gap:10px;padding:16px 20px;display:flex}.panel-head h3{margin:0;font-size:15px}.panel-head .grow{flex:1}.panel-body{padding:20px}.hint{color:var(--sub);font-size:12.5px}.count-chip{background:var(--soft-blue);color:var(--brand-deep);border-radius:20px;padding:2px 10px;font-size:12.5px;font-weight:600}.grid-products{grid-template-columns:repeat(auto-fill,minmax(228px,1fr));gap:16px;display:grid}.pcard{border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;transition:all .18s;display:flex;position:relative;overflow:hidden}.pcard:hover{box-shadow:var(--shadow);transform:translateY(-2px)}.pcard.selected{border-color:var(--brand);box-shadow:0 0 0 1px var(--brand)}.pcard-cover{aspect-ratio:4/3;background:#f4f6f9;position:relative}.pcard-cover img{-o-object-fit:cover;object-fit:cover;width:100%;height:100%}.pcard-cover .noimg{color:#b3bdc7;justify-content:center;align-items:center;gap:6px;font-size:13px;display:flex;position:absolute;inset:0}.pcard-badge{color:#fff;background:#1f2733b8;border-radius:20px;padding:2px 8px;font-size:11px;position:absolute;top:8px;left:8px}.pcard-body{flex-direction:column;flex:1;gap:4px;padding:12px 14px;display:flex}.pcard-name{font-weight:600}.pcard-name,.pcard-sub{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.pcard-sub{color:var(--sub);font-size:12.5px}.pcard-price{color:var(--danger);font-size:16px;font-weight:700}.pcard-price del{color:#a8b2bd;margin-left:6px;font-size:12px;font-weight:400}.pcard-foot{gap:6px;padding:0 14px 12px;display:flex}.pcard-foot .btn{flex:1;justify-content:center}.dialog-mask{z-index:100;background:#0f172a73;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.dialog{background:#fff;border-radius:14px;flex-direction:column;width:660px;max-width:100%;max-height:88vh;display:flex;box-shadow:0 24px 64px #0f172a47}.dialog-head{border-bottom:1px solid var(--line);align-items:center;padding:16px 20px;font-size:16px;font-weight:700;display:flex}.dialog-head .close{color:var(--sub);background:0 0;border:none;border-radius:8px;width:32px;height:32px;margin-left:auto;font-size:20px}.dialog-head .close:hover{color:var(--ink);background:#f1f4f8}.dialog-body{flex-direction:column;gap:16px;padding:20px;display:flex;overflow:auto}.dialog-foot{border-top:1px solid var(--line);justify-content:flex-end;gap:10px;padding:14px 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.noimg{color:#b3bdc7;justify-content:center;align-items:center;font-size:11px;display:flex;position:absolute;inset:0}.srow-info{flex:1;min-width:0}.srow-name{font-weight:600}.srow-specs{flex-wrap:wrap;gap:6px;margin-top:6px;display:flex}.spec-check{cursor:pointer;border:1px solid var(--line);-webkit-user-select:none;user-select:none;background:#fff;border-radius:20px;align-items:center;gap:5px;padding:3px 10px;font-size:12.5px;transition:all .15s;display:inline-flex}.spec-check.on{border-color:var(--brand);background:var(--soft-blue);color:var(--brand-deep);font-weight:600}.spec-check input{display:none}.srow-ops{flex-direction:column;gap:2px;display:flex}.pick-row{border:1px solid var(--line);cursor:pointer;border-radius:10px;align-items:center;gap:12px;padding:10px 14px;transition:all .15s;display:flex}.pick-row:hover{background:#fafbfc;border-color:#b9c6d6}.pick-row.on{border-color:var(--brand);background:var(--soft-blue)}.pick-row+.pick-row{margin-top:8px}.pick-row input{width:16px;height:16px;accent-color:var(--brand)}.pick-thumb{color:#aeb8c4;background:#eef1f5;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:48px;height:48px;font-size:12px;display:flex;overflow:hidden}.pick-thumb img{-o-object-fit:cover;object-fit:cover;width:100%;height:100%}.empty{text-align:center;color:var(--sub);padding:56px 20px}.empty .big{margin-bottom:10px;font-size:40px}.preview-toolbar{border-bottom:1px solid var(--line);flex-wrap:wrap;align-items:center;gap:12px;padding:14px 20px;display:flex}.theme-swatches{gap:8px;display:flex}.theme-swatch{cursor:pointer;color:#fff;border:2px solid #0000;border-radius:7px;justify-content:center;align-items:center;width:40px;height:28px;font-size:12px;font-weight:700;display:flex}.theme-swatch.on{border-color:var(--ink);outline-offset:-4px;outline:2px solid #fff}.preview-stage{background:repeating-conic-gradient(#e9edf2 0 25%,#f4f6f9 0 50%) 50% /22px 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12px 32px}.panel{border-radius:10px}.panel-head{flex-wrap:wrap;padding:13px 14px}.panel-head .input{order:3;width:100%!important}.panel-body{padding:14px}.grid-products{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.pcard-foot{gap:4px;padding:0 10px 10px}.pcard-foot .btn{padding:7px 5px;font-size:12px}.quote-layout{grid-template-columns:1fr;gap:12px}.field-grid2,.field-grid3{grid-template-columns:1fr;gap:10px}.preview-toolbar{gap:8px;padding:12px 14px}.preview-toolbar .grow{display:none}.preview-toolbar .btn,.preview-toolbar .select{flex:1;justify-content:center;min-height:40px}.theme-swatches{order:1}.preview-stage{justify-content:flex-start;padding:12px 6px}.stage-inner{transform-origin:0 0}.dialog-mask{align-items:flex-end;padding:0}.dialog{border-radius:16px 16px 0 0;width:100%;max-height:94vh}.dialog-body{padding:16px}.spec-head{display:none}.spec-row{grid-template-columns:1fr 1fr auto}.spec-row 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