:root{color-scheme:light;--ink:#172d29;--muted:#60716b;--paper:#f3f4ee;--line:#d8dfd6;--accent:#1c6453}*{box-sizing:border-box}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;line-height:1.65}a{color:inherit;text-underline-offset:4px}header,main,footer{max-width:1240px;margin:auto;padding:0 36px}header{display:flex;justify-content:space-between;align-items:center;padding-top:26px;padding-bottom:26px;border-bottom:1px solid var(--line);gap:16px;font-size:13px}.brand{font-weight:800;text-decoration:none;letter-spacing:2px}.brand span{font-size:10px;font-weight:500;color:var(--muted);letter-spacing:1px}.hero{padding:65px 0 40px;max-width:900px}.eyebrow{font-size:11px;font-weight:700;letter-spacing:1.7px;color:var(--accent)}h1{font-size:clamp(34px,5vw,64px);line-height:1.22;letter-spacing:-2px;margin:18px 0 24px;font-weight:700}.intro{font-size:18px;color:var(--muted)}blockquote{margin:26px 0;border-left:3px solid var(--accent);padding:12px 20px;background:#e7ece3;font-family:Georgia,serif;font-size:19px}.tags{display:flex;gap:9px;flex-wrap:wrap}.tags span{border:1px solid #c9d5cb;padding:4px 12px;border-radius:30px;font-size:12px}.overview{display:grid;grid-template-columns:repeat(4,1fr);background:var(--ink);color:#f6f7ef;border-radius:12px;padding:25px 15px}.overview div{padding:0 26px;border-right:1px solid #456057}.overview div:last-child{border:0}.overview strong{display:block;font-size:32px;font-weight:500;letter-spacing:-1px}.overview span{color:#bfcec6;font-size:12px}.note{margin:24px 0 45px;padding:18px 22px;border:1px solid #d8d9bb;background:#edeee0;border-radius:8px;font-size:13px}.note p{margin:6px 0 0;color:#586151}.section-head{display:flex;align-items:center;justify-content:space-between;gap:12px}.section-head h2{font-size:26px;margin:0}.section-head span,.caption{font-size:12px;color:var(--muted)}.caption{margin:8px 0 24px}.grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}.case{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden}.case-title{padding:22px 24px 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}.case-title h2{font-size:26px;letter-spacing:-1px;margin:4px 0 0}.badge{font-size:11px;background:#e6efe5;color:#2a634b;padding:5px 10px;border-radius:20px;white-space:nowrap}.tabs{padding:0 24px 14px;display:flex;gap:6px}.tabs button{cursor:pointer;font:inherit;font-size:12px;border:1px solid var(--line);background:white;color:var(--muted);padding:5px 13px;border-radius:6px}.tabs button[aria-pressed=true]{background:var(--ink);color:white;border-color:var(--ink)}button:focus-visible,a:focus-visible,summary:focus-visible{outline:3px solid #d6a854;outline-offset:3px}video{display:block;width:100%;aspect-ratio:4/3;background:#101a17}.metrics{display:grid;grid-template-columns:repeat(3,1fr);margin:20px 24px;gap:12px}.metrics span{font-size:11px;color:var(--muted)}.metrics b{display:block;font-size:18px;font-weight:600;color:var(--ink)}.review{padding:0 24px;min-height:100px}.review p{font-size:14px;margin:8px 0 20px}details{border-top:1px solid var(--line);margin:0 24px;padding:13px 0;font-size:12px}summary{cursor:pointer;color:var(--muted)}.answer{white-space:pre-wrap;overflow-wrap:anywhere;font-size:13px}.links{padding:12px 24px 20px;display:flex;justify-content:space-between;font-size:11px;gap:12px;color:var(--accent)}.method{margin:50px 0;padding:30px;background:#e8ede5;border-radius:10px}.method h2{margin:8px 0 20px;font-size:24px}dl{display:grid;grid-template-columns:110px 1fr;gap:12px 20px;font-size:13px}dt{color:var(--muted)}dd{margin:0;min-width:0}code{font-size:11px;overflow-wrap:anywhere}footer{border-top:1px solid var(--line);padding-top:23px;padding-bottom:30px;display:flex;justify-content:space-between;gap:16px;font-size:11px;color:var(--muted)}@media(max-width:720px){header,main,footer{padding-left:20px;padding-right:20px}.brand span{display:none}.hero{padding-top:40px}.grid{grid-template-columns:1fr}.overview{grid-template-columns:1fr 1fr;gap:18px}.overview div:nth-child(2){border:0}.overview strong{font-size:27px}.section-head{display:block}.method{padding:22px}dl{grid-template-columns:1fr;gap:5px}dd{margin-bottom:12px}footer{flex-direction:column}.case-title{padding:20px}blockquote{font-size:17px}video{aspect-ratio:4/3}}
