:root{
  --screen:#0b0b0d;
  --bar:#111114;
  --ink:#f3efe6;
  --mute:#b7b0a4;
  --gold:#e6c47a;
  --line:#2a2926;
  --max:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);
  font:16px/1.75 "Microsoft YaHei","Segoe UI",sans-serif;
  background:
    linear-gradient(#000 0 28px,transparent 28px),
    linear-gradient(180deg,#000,var(--screen) 48px);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{width:min(var(--max),calc(100% - 40px));margin:auto}
nav{
  position:sticky;top:0;z-index:20;height:72px;
  background:rgba(11,11,13,.94);border-bottom:1px solid var(--line);
}
.nav,.hero-grid,.split,.visual,.faq-layout,.help-layout,.cta-in,.footer{display:grid;gap:28px;align-items:center}
.nav{height:72px;grid-template-columns:auto 1fr auto}
.brand{display:flex;align-items:center;gap:8px;font-weight:800}
.brand b{
  width:32px;height:18px;display:grid;place-items:center;
  border:1px solid var(--gold);color:var(--gold);font-size:10px;letter-spacing:1px;
}
.links{display:flex;justify-content:center;gap:24px;font-size:14px;color:var(--mute)}
.button{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:42px;padding:0 18px;font-weight:800;color:#111;
  background:var(--gold);border:0;
}
.button.ghost{background:transparent;color:var(--gold);border:1px solid var(--gold)}
.hero{padding:30px 0 72px}
.hero-grid{grid-template-columns:1.05fr .95fr;min-height:540px}
.eyebrow{color:var(--gold);font-size:12px;font-weight:800;letter-spacing:2px}
h1,h2{margin:10px 0 16px;line-height:1.14}
.hero h1{font-size:clamp(32px,5.2vw,58px)}
.hero h1 span{color:var(--gold)}
p,.lead{color:var(--mute)}
.actions,.micro{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.micro span{padding:5px 10px;border:1px solid var(--line);font-size:12px}
.frame{
  position:relative;padding:8px;background:#000;border:1px solid var(--line);
  box-shadow:0 0 0 10px #000;
}
.frame img,.shot img,.visual img{width:100%;aspect-ratio:16/10;object-fit:cover}
.subs{
  position:absolute;left:8px;right:8px;bottom:8px;
  padding:10px 12px;background:rgba(0,0,0,.72);text-align:center;
}
.subs small{display:block;color:#cfc7b8;font-size:12px}
.subs b{display:block;color:var(--gold);font-size:15px;font-weight:700}
.letterbox{
  position:sticky;bottom:0;z-index:15;
  display:grid;grid-template-columns:88px 1fr auto;
  align-items:center;gap:12px;padding:10px 18px;
  background:#000;border-top:2px solid var(--gold);color:#fff;
}
.letterbox i{font-style:normal;font-size:11px;font-weight:800;letter-spacing:1px;color:var(--gold)}
.letterbox p{margin:0;font-size:13px;line-height:1.45}
.letterbox p span{display:block;color:var(--gold)}
.section{padding:76px 0}
.head{max-width:720px;margin-bottom:28px}
.head h2,h2{font-size:clamp(26px,4vw,42px)}
.grid6,.review-grid,.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.card,.review,.download-card,.article,.scene{
  padding:20px;background:var(--bar);border:1px solid var(--line);
}
.icon{color:var(--gold);font-size:13px;font-weight:800}
.card h3{margin:12px 0 8px}
.split,.visual,.faq-layout{grid-template-columns:1fr 1fr;gap:36px}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0 24px}
.scene b{display:block;color:var(--gold);font-size:12px}
.visual{gap:0;border:1px solid var(--line)}
.visual img{aspect-ratio:16/11}
.visual-copy{padding:42px 34px;background:var(--bar)}
.metrics{display:flex;gap:24px;margin:20px 0 26px}
.metrics b{display:block;color:var(--gold);font-size:28px}
.person{display:flex;gap:10px;align-items:center;margin-top:14px}
.avatar{
  width:36px;height:36px;display:grid;place-items:center;
  border:1px solid var(--gold);color:var(--gold);font-weight:800;
}
.person small{display:block;color:var(--mute)}
.faq-layout{grid-template-columns:.8fr 1.2fr}
details{border-bottom:1px solid var(--line)}
summary{padding:16px 6px;font-weight:800;cursor:pointer;list-style:none}
.cta{padding:8px 0 88px}
.cta-in{grid-template-columns:1fr auto;padding:24px;background:var(--bar);border:1px solid var(--gold)}
.page-head{padding:70px 0 16px}
.help-layout{grid-template-columns:220px 1fr;align-items:start}
.side{padding:14px}
.side a{display:block;padding:8px 6px;color:var(--mute)}
.policy{margin-top:16px;padding:16px;border:1px solid var(--line)}
.shot{margin:20px 0}
footer{padding:44px 0 72px;border-top:1px solid var(--line);background:#000}
.footer{grid-template-columns:1.4fr repeat(3,1fr);align-items:start}
.footer a{display:block;margin:8px 0;color:var(--mute)}
.copy{margin-top:24px;padding-top:12px;border-top:1px solid var(--line);color:var(--mute)}
@media(max-width:860px){
  .links{display:none}
  .hero-grid,.split,.visual,.faq-layout,.help-layout,.cta-in,.footer,.letterbox{grid-template-columns:1fr}
  .grid6,.review-grid,.cards,.scene-grid{grid-template-columns:1fr 1fr}
  .visual-copy{padding:28px}
}
@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}}