:root{--ink:#122a3a;--muted:#586e7c;--teal:#006e74;--line:#dbe5eb;--bg:#f4f7fa;--dark:#102c3c;--gold:#bd6b1e}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:24px}body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.65 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif}a{color:var(--teal);text-decoration:none}a:hover{text-decoration:underline}button,input,select{font:inherit}button{cursor:pointer}button:focus-visible,a:focus-visible,select:focus-visible,input:focus-visible{outline:3px solid #ef9c38;outline-offset:3px}.rail{position:fixed;inset:0 auto 0 0;width:226px;background:var(--dark);color:#fff;padding:35px 26px;display:flex;flex-direction:column}.brand{color:#fff;display:block}.brand-icon{font-size:34px;color:#61d5d4;display:block;margin-bottom:8px}.brand b{font-size:22px;letter-spacing:2px}.brand small{display:block;font-size:12px;letter-spacing:2px;color:#a4bac5}.rail nav{display:grid;gap:8px;margin-top:50px}.rail nav a{color:#c4d5de;padding:12px 0;font-size:14px}.rail nav a:hover{color:#fff}.rail-foot{margin-top:auto;font-size:14px;color:#9eb6c3}.rail-foot strong{color:#fff;font-size:16px}.rail-foot small{display:block;margin-top:14px}main{max-width:1600px;margin-left:226px;padding:0 48px 25px}.topbar{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line);height:76px;font-size:14px;color:var(--muted)}section{padding-top:42px;padding-bottom:24px}.heading{display:flex;align-items:center;justify-content:space-between;gap:20px}.eyebrow{font-size:12px;letter-spacing:2px;font-weight:700;color:var(--teal);margin:0 0 10px}h1{font-size:36px;letter-spacing:-1px;line-height:1.3;margin:0 0 14px}h2{font-size:24px;line-height:1.4;margin:0}h3{font-size:18px;margin:0 0 10px}p{margin:8px 0 16px}.lede,.muted{color:var(--muted)}.scope,.tag{font-size:13px;background:#e2edef;padding:6px 12px;border-radius:4px;color:var(--teal);white-space:nowrap}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin:25px 0;background:white;border:1px solid var(--line);border-radius:9px}.stat{padding:24px;border-right:1px solid var(--line)}.stat:last-child{border:0}.stat b{display:block;font-size:34px;font-weight:650;font-variant-numeric:tabular-nums;line-height:1.3}.stat span{font-size:14px;color:var(--muted)}.stat small{display:block;font-size:12px;color:var(--muted);margin-top:6px}.notice{display:flex;gap:20px;border-left:4px solid var(--gold);background:#fff5e9;padding:16px 20px;font-size:14px}.notice strong{white-space:nowrap;color:#8d4d12}.takeaways{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin:30px 0 38px}.takeaway{border-top:2px solid var(--teal);padding-top:15px}.takeaway p{font-size:14px;color:var(--muted);margin-bottom:0}.section-title{display:flex;align-items:end;justify-content:space-between;gap:18px;margin-bottom:20px}.section-title>span,.text-link{font-size:14px;color:var(--muted)}.segments{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.segment{background:white;border:1px solid var(--line);border-radius:8px;padding:20px}.segment h3{font-size:16px}.segment .big-price{font-size:26px;font-weight:650;margin:12px 0 2px}.segment p{font-size:13px;color:var(--muted);margin-bottom:7px}.range-track{height:7px;background:#e6eef2;border-radius:4px;margin:15px 0;position:relative}.range-fill{position:absolute;top:0;bottom:0;background:#268a91;border-radius:4px}.controls{display:flex;flex-wrap:wrap;gap:16px;align-items:end;background:#fff;border:1px solid var(--line);padding:20px;border-radius:8px}label{font-size:14px;color:var(--muted);display:grid;gap:5px}input,select{color:var(--ink);background:#fff;border:1px solid #b6c8d3;border-radius:5px;padding:9px 11px;min-height:44px;font-size:14px}#query{min-width:270px}.check{display:flex;align-items:center;gap:8px;min-height:44px}.check input{min-height:auto;accent-color:var(--teal);width:17px;height:17px}.result-meta{font-size:14px;color:var(--muted);margin:15px 0}.spotlight{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin:0 0 24px}.product-card{background:#fff;border:1px solid var(--line);border-radius:9px;overflow:hidden;display:grid;grid-template-columns:112px 1fr;gap:16px;padding:16px;text-align:left;transition:box-shadow .2s}.product-card:hover{box-shadow:0 5px 20px #102c3c12}.product-card .thumb{width:112px;height:112px;object-fit:contain;background:#f4f7fa;border-radius:5px}.no-image{display:flex;align-items:center;justify-content:center;min-height:110px;font-size:13px;color:#758994;background:#edf2f5;border-radius:5px}.product-card h3{font-size:15px;line-height:1.5;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.product-card .price{font-size:22px;font-weight:700}.product-card .small{font-size:12px;color:var(--muted)}.product-card button{padding:0;border:0;background:none;text-align:left;color:var(--teal);font-size:13px}.table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:8px;background:#fff}table{width:100%;border-collapse:collapse;text-align:left}th{background:#edf3f6;color:var(--muted);font-size:13px;white-space:nowrap;padding:15px 16px;font-weight:600}td{padding:16px;font-size:14px;border-top:1px solid #e7eef2;vertical-align:top}tr:hover td{background:#f8fbfc}.market-table td:first-child{min-width:230px;max-width:430px}.market-table td:nth-child(n+2){min-width:110px}.cell-title{display:block;font-weight:600;line-height:1.5;margin-bottom:5px}.sub{display:block;color:var(--muted);font-size:12px}.num{font-variant-numeric:tabular-nums;white-space:nowrap}.detail-btn{border:1px solid #b5cdcf;border-radius:4px;padding:5px 10px;background:#fff;color:var(--teal);font-size:13px}.pager{display:flex;justify-content:center;align-items:center;gap:20px;margin:22px 0;font-size:14px}.pager button{border:1px solid var(--line);background:#fff;padding:8px 18px;border-radius:4px;color:var(--ink)}button:disabled{opacity:.4;cursor:not-allowed}.quote-callout{background:#e6eff2;border-radius:6px;padding:16px 20px;font-size:14px;margin-bottom:22px}.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}.quote-card{background:white;border:1px solid var(--line);border-radius:8px;padding:24px}.quote-head{display:flex;gap:20px;align-items:center}.quote-head img{width:105px;height:100px;object-fit:contain}.quote-head h3{font-size:24px;line-height:1.3;margin:0 0 8px}.status{font-size:12px;padding:3px 8px;border-radius:3px;background:#e3f2f1;color:#126967}.status.warn{background:#fff0dc;color:#925315}.quote-prices{display:grid;grid-template-columns:1fr 1fr;margin:20px 0;border-top:1px solid var(--line);padding-top:15px;gap:20px}.quote-prices small{color:var(--muted);font-size:13px}.quote-prices b{display:block;font-size:25px;line-height:1.5}.quote-prices .original{color:var(--teal)}.quote-card p{font-size:14px;color:var(--muted);margin-bottom:10px}.quote-card a{font-size:14px}.quote-card details{margin-top:12px;border-top:1px solid var(--line);padding-top:10px;font-size:14px}.quote-card pre{font:14px/1.8 inherit;white-space:pre-wrap;color:var(--muted)}summary{cursor:pointer;color:var(--teal)}.method-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}.method-grid article{border-top:1px solid #b9cbd6;padding-top:18px}.method-grid p,.method-grid li{font-size:14px;color:var(--muted)}.source-links{display:flex;flex-wrap:wrap;gap:24px;font-size:14px;margin:24px 0}footer{border-top:1px solid var(--line);padding:25px 0;font-size:12px;color:var(--muted)}footer span{display:block;margin-top:6px}dialog{border:0;border-radius:10px;max-width:840px;width:calc(100% - 32px);padding:0;max-height:90vh;color:var(--ink);box-shadow:0 20px 80px #001a3655}dialog::backdrop{background:#0d273cb0}.dialog-top{display:flex;align-items:center;justify-content:space-between;padding:15px 25px;background:#eff4f7;position:sticky;top:0}.dialog-top button{font-size:28px;border:0;background:transparent;color:var(--ink)}#dialogContent{padding:26px}.dialog-title{display:flex;gap:24px;align-items:start;margin-bottom:25px}.dialog-title img{width:145px;height:145px;object-fit:contain}.dialog-title h2{font-size:22px}.dialog-section{margin-top:22px}.dialog-section h3{font-size:16px}.dialog-section p{font-size:14px}.specs{display:grid;grid-template-columns:1fr 1fr;gap:8px 20px}.specs p{margin:0;border-bottom:1px solid var(--line);padding:6px 0}.specs span{color:var(--muted)}@media(min-width:1700px){main{margin-left:auto;margin-right:auto;padding-left:255px}}@media(max-width:1200px){main{padding:0 28px 25px;margin-left:190px}.rail{width:190px;padding:28px 20px}.spotlight{grid-template-columns:1fr 1fr}.spotlight .product-card:last-child{display:none}.segments{grid-template-columns:1fr 1fr}.heading .scope{display:none}.stat{padding:20px 16px}}@media(max-width:800px){.rail{position:static;width:auto;padding:18px 20px;display:block}.brand{display:flex;align-items:center;gap:12px}.brand-icon{font-size:24px;margin:0}.brand b{font-size:18px}.brand small{display:none}.rail nav{display:flex;gap:22px;margin:12px 0 0;overflow:auto}.rail nav a{font-size:13px;white-space:nowrap;padding:4px 0}.rail-foot{display:none}main{margin:0;padding:0 20px}.topbar{height:58px;font-size:12px}section{padding-top:30px}.heading{display:block}h1{font-size:30px}.stats{grid-template-columns:1fr 1fr}.stat{border-bottom:1px solid var(--line)}.stat:nth-child(2){border-right:0}.stat:nth-child(3),.stat:nth-child(4){border-bottom:0}.stat b{font-size:30px}.notice{display:block}.notice strong{display:block;margin-bottom:4px}.takeaways{grid-template-columns:1fr;gap:20px}.section-title{align-items:start}.section-title>span{display:none}h2{font-size:22px}.segments{gap:12px}.segment{padding:15px}.segment .big-price{font-size:23px}.controls{gap:12px;padding:15px}.controls label{flex:1 1 45%}.controls label:nth-child(2){order:-1;flex-basis:100%}#query{min-width:0;width:100%}.spotlight{grid-template-columns:1fr}.spotlight .product-card:last-child{display:grid}.quote-grid{grid-template-columns:1fr}.quote-card{padding:20px}.method-grid{grid-template-columns:1fr}.dialog-title{display:block}.dialog-title img{margin-bottom:15px}.specs{grid-template-columns:1fr}.text-link{white-space:nowrap;font-size:12px}.quote-prices{gap:10px}}@media print{.rail,.controls,.pager,.spotlight,.source-links,.topbar,dialog{display:none}main{margin:0;padding:0}body{background:#fff;font-size:12px}section{break-inside:avoid}.quote-card{break-inside:avoid}.quote-grid{grid-template-columns:1fr 1fr}}