:root{
  --bg:#0d1117;
  --panel:#161b22;
  --ink:#e6edf3;
  --mute:#8b949e;
  --line:#30363d;
  --green:#3fb950;
  --link:#58a6ff;
  --max:1180px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);
  font:16px/1.7 "Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  background:var(--bg);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{width:min(var(--max),calc(100% - 32px));margin:auto}
nav{
  position:sticky;top:0;z-index:20;height:64px;
  background:#010409;border-bottom:1px solid var(--line);
}
.nav{display:grid;height:64px;grid-template-columns:auto 1fr auto;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:8px;font-weight:700}
.brand b{width:22px;height:22px;border-radius:50%;border:1px solid var(--mute)}
.links{display:flex;justify-content:center;gap:18px;font-size:14px;color:var(--mute)}
.button{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:36px;padding:0 14px;border:1px solid var(--line);border-radius:6px;font-weight:700;color:var(--ink);
  background:#21262d;
}
.button.primary{background:var(--green);border-color:var(--green);color:#0d1117}
.hero{padding:20px 0 48px}
.repo{border:1px solid var(--line);border-radius:8px;background:var(--panel);overflow:hidden}
.repo-head{display:flex;justify-content:space-between;gap:12px;align-items:center;padding:14px 16px;border-bottom:1px solid var(--line)}
.repo-head strong{color:var(--link)}
.meta{display:flex;gap:8px;flex-wrap:wrap}
.chip{padding:4px 8px;border:1px solid var(--line);border-radius:20px;font-size:12px;color:var(--mute)}
.tabs{display:flex;gap:16px;padding:0 16px;border-bottom:1px solid var(--line);font-size:14px}
.tabs a{padding:10px 0;border-bottom:2px solid transparent;color:var(--mute)}
.tabs a.on{color:var(--ink);border-color:#f78166}
.readme{display:grid;grid-template-columns:1fr 280px;gap:0}
.body{padding:24px 20px}
.aside{padding:16px;border-left:1px solid var(--line)}
.eyebrow{color:var(--mute);font-size:12px}
h1,h2{margin:8px 0 14px;line-height:1.25;font-weight:700}
.hero h1{font-size:clamp(26px,4vw,40px)}
p,.lead{color:var(--mute)}
.actions{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}
.micro{display:flex;flex-wrap:wrap;gap:8px}
.micro span{font-size:12px;color:var(--mute)}
.body img,.shot img,.visual img{width:100%;aspect-ratio:16/9;object-fit:cover;border:1px solid var(--line);border-radius:6px;margin-top:12px}
.rel,.who{margin:0;padding:0;list-style:none}
.rel li,.who li{padding:8px 0;border-bottom:1px solid var(--line);font-size:13px}
.rel b{color:var(--link)}
.avs{display:flex}
.avs span{width:24px;height:24px;border-radius:50%;margin-left:-6px;border:2px solid var(--panel);display:grid;place-items:center;font-size:10px;background:#21262d}
.section{padding:48px 0}
.head{margin-bottom:16px}
.head h2,h2{font-size:clamp(22px,3vw,32px)}
.grid6,.review-grid,.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.card,.review,.download-card,.article,.scene{
  padding:14px;background:var(--panel);border:1px solid var(--line);border-radius:8px;
}
.icon{color:var(--green);font-size:12px;font-family:Consolas,monospace}
.card h3{margin:8px 0 6px}
.split,.visual,.faq-layout,.help-layout,.cta-in,.footer{display:grid;gap:20px}
.split,.visual,.faq-layout{grid-template-columns:1fr 1fr;align-items:center}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:12px 0 16px}
.scene b{display:block;color:var(--link);font-size:12px}
.visual img{aspect-ratio:16/11;margin:0}
.metrics{display:flex;gap:20px;margin:14px 0 18px}
.metrics b{display:block;color:var(--green);font-size:22px}
.person{margin-top:8px;font-size:14px}
.person small{display:block;color:var(--mute)}
details{border-bottom:1px solid var(--line)}
summary{padding:12px 0;font-weight:700;cursor:pointer;list-style:none}
.cta{padding:8px 0 48px}
.cta-in{grid-template-columns:1fr auto;align-items:center;padding:16px;background:var(--panel);border:1px solid var(--line);border-radius:8px}
.page-head{padding:40px 0 8px}
.help-layout{grid-template-columns:220px 1fr;align-items:start}
.side{padding:12px;background:var(--panel);border:1px solid var(--line);border-radius:8px}
.side a{display:block;padding:7px 4px;color:var(--mute)}
.policy{margin-top:12px;padding:12px;border:1px solid var(--line);border-radius:8px}
.shot{margin:14px 0}
footer{padding:36px 0 12px;background:#010409;color:#e6edf3}
.footer{grid-template-columns:1.4fr repeat(3,1fr);align-items:start}
.footer a,.footer p,.copy{color:#8b949e}
.footer a{display:block;margin:7px 0}
.copy{margin-top:16px;padding-top:10px;border-top:1px solid var(--line)}
@media(max-width:860px){
  .links{display:none}
  .readme,.split,.visual,.faq-layout,.help-layout,.cta-in,.footer{grid-template-columns:1fr}
  .aside{border-left:0;border-top:1px solid var(--line)}
  .grid6,.review-grid,.cards,.scene-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:560px){.grid6,.review-grid,.cards,.scene-grid,.footer{grid-template-columns:1fr}}

@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}*,*::before,*::after{animation:none!important;transition:none!important}}