.cfg3-page{color:#1a1a1a;background:#f5f6f8;min-height:100vh;padding-top:76px}.cfg3-top-bar{background:#fff;border-bottom:1px solid #e2e4e8;justify-content:space-between;align-items:center;padding:14px 32px;display:flex}.cfg3-brand{color:#1a1a1a;letter-spacing:.01em;font-size:15px;font-weight:600}.cfg3-brand span{color:#06c}.cfg3-demo-tag{color:#888;letter-spacing:.04em;background:#f0f0f0;border-radius:20px;padding:3px 10px;font-size:11px}.cfg3-wrap{max-width:1060px;margin:0 auto;padding:28px 24px 48px}.cfg3-title{color:#111;margin-bottom:4px;font-size:22px;font-weight:600}.cfg3-sub{color:#666;margin-bottom:24px;font-size:14px}.cfg3-layout{grid-template-columns:1fr 320px;align-items:start;gap:16px;display:grid}@media (width<=860px){.cfg3-layout{grid-template-columns:1fr}}.cfg3-left{flex-direction:column;gap:12px;display:flex}.cfg3-viewer-box{background:#fff;border:1px solid #e2e4e8;border-radius:10px;overflow:hidden}.cfg3-canvas-wrap{background:#f8f9fb;border-bottom:1px solid #e2e4e8;position:relative}.cfg3-canvas{cursor:grab;width:100%;height:310px;display:block}.cfg3-canvas:active{cursor:grabbing}.cfg3-canvas-hint{color:#aaa;letter-spacing:.03em;font-size:10px;position:absolute;bottom:8px;right:12px}.cfg3-fiber-tag{border-radius:4px;padding:4px 10px;font-size:11px;font-weight:500;transition:all .25s;position:absolute;top:12px;left:12px}.cfg3-spec-wrap{padding:16px 18px}.cfg3-sec-label{color:#888;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;font-size:10px;font-weight:600}.cfg3-spec-grid{grid-template-columns:repeat(5,1fr);gap:8px;display:grid}@media (width<=640px){.cfg3-spec-grid{grid-template-columns:repeat(2,1fr)}}.cfg3-sc{background:#f8f9fb;border-radius:6px;padding:9px 10px}.cfg3-sc.hi{background:#ebf3ff}.cfg3-sc-k{color:#888;letter-spacing:.04em;text-transform:uppercase;margin-bottom:3px;font-size:9px}.cfg3-sc-v{color:#111;font-size:12px;font-weight:600}.cfg3-sc.hi .cfg3-sc-v{color:#05b}.cfg3-cart-box{background:#fff;border:1px solid #e2e4e8;border-radius:10px;align-items:center;gap:12px;padding:14px 18px;display:flex}.cfg3-cart-label{color:#333;white-space:nowrap;font-size:12px;font-weight:600}.cfg3-cart-items{color:#555;text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:12px;overflow:hidden}.cfg3-cart-count{color:#06c;white-space:nowrap;font-size:12px;font-weight:600}.cfg3-rfq-btn{color:#fff;cursor:pointer;white-space:nowrap;background:#06c;border:none;border-radius:6px;padding:8px 16px;font-size:12px;font-weight:600;transition:background .15s}.cfg3-rfq-btn:hover{background:#0052a8}.cfg3-right{flex-direction:column;gap:10px;display:flex}.cfg3-step-card{background:#fff;border:1px solid #e2e4e8;border-radius:10px;padding:14px 16px}.cfg3-step-head{color:#888;letter-spacing:.08em;text-transform:uppercase;margin-bottom:10px;font-size:10px;font-weight:600}.cfg3-fiber-list{flex-direction:column;gap:5px;display:flex}.cfg3-fopt{cursor:pointer;background:#fff;border:1px solid #e2e4e8;border-radius:7px;align-items:center;gap:10px;padding:8px 10px;transition:all .15s;display:flex}.cfg3-fopt:hover{background:#f7faff;border-color:#aabdd8}.cfg3-fopt.on{background:#ebf3ff;border-color:#06c}.cfg3-fdot{border-radius:50%;flex-shrink:0;width:9px;height:9px}.cfg3-fname{color:#222;font-size:12px;font-weight:600}.cfg3-fsub{color:#888;margin-top:1px;font-size:10px}.cfg3-fopt.on .cfg3-fname{color:#05b}.cfg3-conn-grid,.cfg3-jack-grid{grid-template-columns:1fr 1fr;gap:5px;display:grid}.cfg3-copt,.cfg3-jopt{cursor:pointer;background:#fff;border:1px solid #e2e4e8;border-radius:6px;padding:7px 9px;transition:all .15s}.cfg3-copt:hover,.cfg3-jopt:hover{background:#f7faff;border-color:#aabdd8}.cfg3-copt.on,.cfg3-jopt.on{background:#ebf3ff;border-color:#06c}.cfg3-cname,.cfg3-jname{color:#222;font-size:11px;font-weight:600}.cfg3-csub,.cfg3-jsub{color:#888;margin-top:2px;font-size:9px;line-height:1.3}.cfg3-copt.on .cfg3-cname,.cfg3-jopt.on .cfg3-jname{color:#05b}.cfg3-len-row{align-items:center;gap:12px;margin-top:2px;display:flex}.cfg3-len-val{color:#06c;min-width:44px;font-size:18px;font-weight:700}.cfg3-len-row input[type=range]{appearance:none;background:#dde2ea;border-radius:2px;outline:none;flex:1;height:3px}.cfg3-len-row input[type=range]::-webkit-slider-thumb{appearance:none;cursor:pointer;background:#06c;border:2px solid #fff;border-radius:50%;width:15px;height:15px;box-shadow:0 0 0 1px #06c}.cfg3-len-row input[type=range]::-moz-range-thumb{cursor:pointer;background:#06c;border:2px solid #fff;border-radius:50%;width:15px;height:15px;box-shadow:0 0 0 1px #06c}.cfg3-len-custom-toggle{color:#06c;cursor:pointer;background:0 0;border:none;margin-top:12px;padding:0;font-size:13px;font-weight:600}.cfg3-len-custom-toggle:hover{text-decoration:underline}.cfg3-len-custom-row{align-items:center;gap:10px;margin-top:2px;display:flex}.cfg3-len-input{color:#0b1736;border:1px solid #dde2ea;border-radius:8px;outline:none;flex:1;padding:9px 12px;font-size:15px;font-weight:600}.cfg3-len-input:focus{border-color:#06c;box-shadow:0 0 0 1px #06c}.cfg3-len-unit{color:#0b1736;cursor:pointer;background:#fff;border:1px solid #dde2ea;border-radius:8px;outline:none;padding:9px 12px;font-size:15px;font-weight:600}.cfg3-len-unit:focus{border-color:#06c;box-shadow:0 0 0 1px #06c}.cfg3-add-btn{color:#fff;cursor:pointer;background:#06c;border:none;border-radius:7px;width:100%;margin-top:2px;padding:11px;font-size:13px;font-weight:600;transition:background .15s}.cfg3-add-btn:hover{background:#0052a8}.cfg3-add-conf{color:#1a8a4a;text-align:center;margin-top:6px;font-size:11px;font-weight:500}