:root{
  --bg:#0b1016;
  --panel:#151c26;
  --ink:#dce8f5;
  --mute:#8ea0b5;
  --line:#2a3a4d;
  --ok:#3dff9a;
  --warn:#ffb020;
  --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:#0b1016;
}
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:70px;
  background:#101720;border-bottom:1px solid var(--line);
}
.nav,.hero-grid,.split,.visual,.faq-layout,.help-layout,.cta-in,.footer{display:grid;gap:20px;align-items:center}
.nav{height:70px;grid-template-columns:auto 1fr auto}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;letter-spacing:.08em}
.brand b{
  width:26px;height:26px;display:grid;place-items:center;border:1px solid var(--ok);
  color:var(--ok);font-size:10px;
}
.links{display:flex;justify-content:center;gap:18px;font-size:13px;color:var(--mute);text-transform:uppercase;letter-spacing:.06em}
.button{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:40px;padding:0 16px;border:0;font-weight:800;color:#0b1016;
  background:var(--warn);
}
.button.ghost{background:transparent;color:var(--ok);border:1px solid var(--ok)}
.hero{padding:24px 0 48px}
.hero-grid{grid-template-columns:1fr 1.05fr;min-height:520px;align-items:stretch}
.eyebrow{color:var(--ok);font-size:11px;font-weight:800;letter-spacing:2px}
h1,h2{margin:8px 0 14px;line-height:1.15;font-weight:800}
.hero h1{font-size:clamp(28px,4.4vw,46px)}
p,.lead{color:var(--mute)}
.actions,.micro{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.micro span{padding:4px 8px;border:1px solid var(--line);font-size:11px;font-family:Consolas,monospace}
.board{
  display:grid;grid-template-columns:1.4fr .8fr;gap:8px;background:#0f1620;border:1px solid var(--line);padding:8px;
}
.board img{width:100%;height:100%;min-height:280px;object-fit:cover}
.status{display:grid;gap:8px}
.cell{padding:10px;background:var(--panel);border:1px solid var(--line);font-size:12px;font-family:Consolas,monospace}
.cell b{display:block;color:var(--ok);margin-bottom:4px}
.cell.warn b{color:var(--warn)}
.section{padding:56px 0}
.head{max-width:760px;margin-bottom:20px}
.head h2,h2{font-size:clamp(24px,3.4vw,36px)}
.grid6,.review-grid,.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.card,.review,.download-card,.article,.scene{
  padding:16px;background:var(--panel);border:1px solid var(--line);
}
.icon{color:var(--warn);font-size:12px;font-weight:800;font-family:Consolas,monospace}
.card h3{margin:8px 0 6px}
.split,.visual,.faq-layout{grid-template-columns:1fr 1fr;gap:24px}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:14px 0 18px}
.scene b{display:block;color:var(--ok);font-size:11px;font-family:Consolas,monospace}
.visual{gap:0}
.visual img{width:100%;aspect-ratio:16/11;object-fit:cover}
.visual-copy{padding:32px 28px;background:var(--panel);border:1px solid var(--line);border-left:0}
.metrics{display:flex;gap:20px;margin:16px 0 20px}
.metrics b{display:block;color:var(--ok);font-size:24px;font-family:Consolas,monospace}
.person{display:flex;gap:10px;align-items:center;margin-top:10px}
.avatar{
  width:32px;height:32px;display:grid;place-items:center;
  background:#0f1620;color:var(--warn);font-weight:800;border:1px solid var(--line);
}
.person small{display:block;color:var(--mute)}
.faq-layout{grid-template-columns:.75fr 1.25fr}
details{border-bottom:1px solid var(--line)}
summary{padding:14px 6px;font-weight:800;cursor:pointer;list-style:none}
.cta{padding:8px 0 56px}
.cta-in{grid-template-columns:1fr auto;padding:20px;background:var(--panel);border:1px solid var(--warn)}
.page-head{padding:56px 0 10px}
.help-layout{grid-template-columns:210px 1fr;align-items:start}
.side{padding:12px}
.side a{display:block;padding:7px 4px;color:var(--mute)}
.policy{margin-top:14px;padding:14px;border:1px solid var(--line)}
.shot{margin:16px 0}
.shot img{width:100%;aspect-ratio:16/10;object-fit:cover;border:1px solid var(--line)}
footer{padding:40px 0 12px;background:#070b10;color:#dce8f5}
.footer{grid-template-columns:1.4fr repeat(3,1fr);align-items:start}
.footer a,.footer p,.copy{color:#8ea0b5}
.footer a{display:block;margin:7px 0}
.copy{margin-top:18px;padding-top:10px;border-top:1px solid var(--line)}
@media(max-width:860px){
  .links{display:none}
  .hero-grid,.board,.split,.visual,.faq-layout,.help-layout,.cta-in,.footer{grid-template-columns:1fr}
  .grid6,.review-grid,.cards,.scene-grid{grid-template-columns:1fr 1fr}
  .visual-copy{border-left:1px solid var(--line)}
}
@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}}