:root{--ink:#152c46;--blue:#214ed3;--paper:#f5f8fd;--line:#d8e1ee;--muted:#516478}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.7}a{color:inherit;text-underline-offset:5px}a:hover{color:var(--blue)}a:focus-visible{outline:3px solid #c17813;outline-offset:5px}header,main,footer{max-width:1200px;margin:auto;padding:28px 36px}header{display:flex;justify-content:space-between;align-items:center;border-bottom:1px solid var(--line)}.brand{font-family:Menlo,monospace;font-weight:800;font-size:27px;letter-spacing:-1.5px;text-decoration:none}.brand span{color:var(--blue)}sup{font-size:10px;letter-spacing:1px;margin-left:10px}nav{display:flex;gap:26px;font-size:14px}.freshness{font-size:12px;color:var(--muted);padding:8px 0 24px;font-family:Menlo,monospace}.hero{display:grid;grid-template-columns:1.3fr 1fr;gap:60px;padding:24px 0 65px}.eyebrow,.meta{font-family:Menlo,monospace;letter-spacing:1px;font-size:12px;color:var(--blue);font-weight:600}h1{font-size:clamp(34px,5vw,62px);line-height:1.18;letter-spacing:-2px;margin:24px 0}h2{font-size:25px}h3{font-size:22px;line-height:1.35;margin:15px 0}.intro{font-size:17px;max-width:560px;color:var(--muted)}.button{display:inline-block;background:var(--blue);color:white;padding:12px 22px;border-radius:6px;text-decoration:none;margin-top:18px}.button:hover{background:var(--ink);color:white}aside{background:#e9f0fc;padding:30px;border-radius:12px;align-self:center}aside ul{list-style:none;margin:16px 0;padding:0}aside li{display:flex;justify-content:space-between;gap:15px;padding:12px 0;border-bottom:1px solid #ccd8eb;font-size:13px}aside li span{color:var(--muted)}aside p{font-size:12px;color:var(--muted)}.section-title{display:flex;align-items:center;justify-content:space-between}.section-title span{font-size:13px;color:var(--muted)}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}article{background:#fff;border:1px solid var(--line);border-radius:10px;padding:26px;display:flex;flex-direction:column}article h3 a{text-decoration:none}article p{font-size:13px;color:var(--muted)}article .price{font-family:Menlo,monospace;font-size:25px;color:var(--ink);margin:10px 0}.price small{font-size:13px}.detail{font-size:13px;margin-top:auto;padding-top:18px;color:var(--blue)}.guide,.evidence{margin-top:55px;padding:25px 0;border-top:1px solid var(--line)}blockquote{margin:20px 0;background:white;border-left:3px solid var(--blue);padding:25px;overflow-wrap:anywhere}.table-wrap{overflow-x:auto}table{width:100%;border-collapse:collapse;background:white;margin:30px 0}th,td{text-align:left;padding:20px;border-bottom:1px solid var(--line);min-width:160px}th{background:#e9f0fc}footer{margin-top:65px;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}@media(max-width:800px){header,main,footer{padding:22px}.hero{grid-template-columns:1fr;gap:20px}.grid{grid-template-columns:1fr 1fr}nav{gap:12px;font-size:12px}.section-title{display:block}}@media(max-width:520px){header{align-items:flex-start;gap:20px;flex-direction:column}.grid{grid-template-columns:1fr}h1{letter-spacing:-1px}.hero{padding-bottom:30px}}