:root{--bg:#101411;--panel:#191f1a;--text:#e4e9de;--muted:#959e92;--line:#343b32;--accent:#d1eb94}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:30px}body{margin:0;background:var(--bg);color:var(--text);font-family:Inter,"PingFang SC","Microsoft YaHei",system-ui,sans-serif;font-size:15px;line-height:1.7}a{color:inherit;text-decoration:none}a:hover{color:var(--accent)}button,a,summary{touch-action:manipulation}a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:6px}header,main,footer{max-width:1440px;margin:auto}header{height:104px;padding:0 64px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}.brand{font-size:25px;font-weight:800;letter-spacing:-2px}.brand span{font-size:12px;font-weight:400;letter-spacing:2px;margin-left:24px}nav{display:flex;gap:30px;font-size:12px}section{padding:80px 64px}.eyebrow{color:var(--accent);font-family:monospace;font-size:11px;letter-spacing:2px}.dot{display:inline-block;width:6px;height:6px;background:var(--accent);border-radius:50%;margin-right:10px}.intro{padding-top:65px;padding-bottom:0}.headline{display:flex;justify-content:space-between;align-items:end;gap:45px}.headline h1{font-size:clamp(44px,6.5vw,94px);line-height:1.15;font-weight:500;letter-spacing:-4px;margin:30px 0 50px}.intro-note{margin-bottom:58px;color:#c3cbbd;font-size:16px;line-height:2.2}.intro-note span{display:block;margin-top:20px;font-size:11px;color:var(--muted);letter-spacing:1px}.intro-bottom{display:flex;justify-content:space-between;padding:22px 0;border-top:1px solid var(--line);font-size:12px;color:var(--muted)}.section-heading{margin-bottom:32px}.section-heading h2,h2{font-weight:500;font-size:38px;letter-spacing:-1px;line-height:1.4;margin:12px 0}.section-heading>p:last-child{color:var(--muted);margin:12px 0}.experiment{padding-top:65px}.screen{border:1px solid var(--line);background:#060807}.screen video{display:block;width:100%;aspect-ratio:16/9;background:#151c17}.screen-caption{display:flex;justify-content:space-between;gap:15px;padding:15px 20px;font-size:11px;color:var(--muted)}.screen-caption span:first-child{color:var(--accent)}.timeline{display:grid;grid-template-columns:1fr 1fr;margin-top:20px;gap:20px}.timeline button{text-align:left;font:inherit;cursor:pointer;background:transparent;border:0;border-top:2px solid var(--line);color:var(--text);padding:20px 0}.timeline button:hover,.timeline button.active{border-color:var(--accent)}.timeline small{display:block;font:11px monospace;color:var(--accent);letter-spacing:2px}.timeline strong{display:block;font-weight:400;font-size:19px;margin:10px 0}.timeline span{font-size:12px;color:var(--muted)}.metrics{display:grid;grid-template-columns:repeat(4,1fr);margin:45px 0 0;padding:30px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.metrics>div{border-right:1px solid var(--line);padding:0 24px}.metrics>div:first-child{padding-left:0}.metrics>div:last-child{border:0}.metrics span{display:block;color:var(--muted);font-size:12px}.metrics strong{display:block;margin-top:10px;font-family:monospace;font-size:30px;font-weight:400}.telemetry{display:grid;grid-template-columns:1fr 1fr;gap:60px;padding-top:35px}.telemetry h3{font-size:24px;font-weight:400;margin:10px 0}.telemetry p:not(.eyebrow){color:var(--muted);font-size:12px;max-width:380px}.telemetry dl{margin:20px 0}.telemetry dl>div{display:flex;justify-content:space-between;border-bottom:1px solid var(--line);padding:12px 0}.telemetry dt{font-size:12px;color:var(--muted)}.telemetry dd{font:16px monospace;color:var(--accent)}.rules{background:#171d17}.rule-grid{display:grid;grid-template-columns:repeat(3,1fr);border-left:1px solid var(--line);border-top:1px solid var(--line);margin-top:40px}.rule-grid article{padding:30px;border-bottom:1px solid var(--line);border-right:1px solid var(--line)}.rule-no{color:var(--muted);font:12px monospace}.rule-grid h3{font-size:20px;font-weight:500;margin:30px 0 15px}.rule-grid p:not(.formula):not(.eyebrow){font-size:13px;color:var(--muted)}.rule-grid .formula{font:18px Georgia,serif;color:var(--accent);margin:20px 0 28px}.rule-end{background:#242d20}.rule-end h3{font-size:32px}.limits{display:grid;grid-template-columns:1fr 2fr;gap:50px;padding-top:100px;padding-bottom:100px}.limits h2{font-size:45px}.lead{font-size:17px;color:#bdc6b5;max-width:580px;margin:26px 0 35px}details{border-top:1px solid var(--line);padding:20px 0}summary{cursor:pointer;font-size:14px}details p{color:var(--muted);font-size:13px;line-height:1.9}.resource-links{display:flex;gap:24px;margin-top:24px;font-size:12px;color:var(--accent)}footer{display:flex;align-items:center;justify-content:space-between;padding:35px 64px;border-top:1px solid var(--line)}footer p{font-size:12px}footer span,footer>a:last-child{font-size:11px;color:var(--muted)}@media(max-width:800px){header{height:78px;padding:0 24px}.brand span{display:none}nav{gap:18px;font-size:11px}nav a:last-child{display:none}section{padding:55px 24px}.intro{padding-top:40px}.headline{display:block}.headline h1{font-size:58px;letter-spacing:-2px;margin-bottom:30px}.intro-note{font-size:14px;margin:0 0 30px}.intro-bottom{font-size:10px;gap:20px}.screen-caption span:nth-child(2){display:none}.screen-caption{padding:12px;font-size:10px}.section-heading h2{font-size:30px}.metrics{grid-template-columns:1fr 1fr;gap:26px}.metrics>div{padding:0 12px!important}.metrics>div:nth-child(2){border:0}.metrics strong{font-size:25px}.telemetry{grid-template-columns:1fr;gap:0}.rule-grid{grid-template-columns:1fr 1fr}.rule-grid article{padding:22px}.rule-grid h3{font-size:18px}.rule-grid .formula{font-size:16px}.limits{grid-template-columns:1fr;gap:10px;padding:60px 24px}.limits h2{font-size:36px}.resource-links{flex-wrap:wrap;gap:18px}footer{padding:25px 24px}.timeline strong{font-size:15px}.timeline span{font-size:11px}}@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}}
@media(max-width:480px){.headline h1{font-size:46px}}