:root{
  --red:#d61f26;
  --ink:#111;
  --mute:#4a4a4a;
  --paper:#efe8d8;
  --line:#111;
  --max:1140px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);
  font:16px/1.6 Arial,"Microsoft YaHei",sans-serif;
  background:var(--paper);
}
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:70px;
  background:#111;color:#fff;
}
.nav,.hero-grid,.split,.visual,.faq-layout,.help-layout,.cta-in,.footer{display:grid;gap:24px;align-items:center}
.nav{height:70px;grid-template-columns:auto 1fr auto}
.brand{display:flex;align-items:center;gap:8px;font-weight:900;letter-spacing:.5px}
.brand b{background:var(--red);color:#fff;padding:4px 8px}
.links{display:flex;justify-content:center;gap:22px;font-size:14px}
.button{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 18px;font-weight:900;color:#fff;
  background:var(--red);border:0;
}
.button:after{content:"→";font-size:18px}
.button.ghost{background:transparent;color:#111;border:2px solid #111}
.button.ghost:after{content:""}
.hero{padding:28px 0 56px;overflow:hidden}
.hero-grid{grid-template-columns:1.1fr .9fr;min-height:520px}
.eyebrow{color:var(--red);font-size:12px;font-weight:900;letter-spacing:2px}
h1,h2{margin:8px 0 14px;line-height:.95;font-weight:900;text-transform:uppercase}
.hero h1{font-size:clamp(36px,6vw,72px)}
.hero h1 span{display:block;color:var(--red);font-size:.46em;letter-spacing:0}
p,.lead{color:var(--mute)}
.actions,.micro{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.micro span{padding:4px 8px;background:#111;color:#fff;font-size:11px;font-weight:800}
.slash{
  position:relative;transform:skew(-8deg);overflow:hidden;background:#111;
}
.slash img,.shot img,.visual img{width:100%;aspect-ratio:16/10;object-fit:cover;transform:skew(8deg) scale(1.08)}
.arrow{
  position:absolute;left:-6px;bottom:16px;transform:skew(8deg);
  background:var(--red);color:#fff;padding:8px 14px;font-weight:900;
}
.section{padding:70px 0}
.head{max-width:760px;margin-bottom:24px}
.head h2,h2{font-size:clamp(28px,4.4vw,48px)}
.grid6,.review-grid,.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.card,.review,.download-card,.article,.scene{
  padding:18px;background:#fff;border:2px solid #111;
}
.card:nth-child(odd){background:var(--red);color:#fff}
.card:nth-child(odd) p{color:#ffe8e8}
.icon{font-size:22px;font-weight:900}
.card h3{margin:10px 0 8px}
.split,.visual,.faq-layout{grid-template-columns:1fr 1fr;gap:28px}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin:18px 0 24px}
.scene{background:#111;color:#fff}
.scene b{display:block;color:var(--red);font-size:12px}
.visual{gap:0}
.visual img{aspect-ratio:16/11;transform:none}
.visual-copy{padding:36px;background:#111;color:#fff}
.visual-copy p{color:#cfcfcf}
.metrics{display:flex;gap:22px;margin:20px 0 26px}
.metrics b{display:block;color:var(--red);font-size:32px}
.person{display:flex;gap:10px;align-items:center;margin-top:14px}
.avatar{
  width:36px;height:36px;display:grid;place-items:center;
  background:var(--red);color:#fff;font-weight:900;
}
.person small{display:block;color:var(--mute)}
.faq-layout{grid-template-columns:.8fr 1.2fr}
details{border-bottom:2px solid #111}
summary{padding:16px 6px;font-weight:900;cursor:pointer;list-style:none}
.cta{padding:8px 0 64px}
.cta-in{grid-template-columns:1fr auto;padding:24px;background:var(--red);color:#fff}
.cta-in p{color:#ffe8e8}
.cta-in .button{background:#111}
.page-head{padding:64px 0 12px}
.help-layout{grid-template-columns:220px 1fr;align-items:start}
.side{padding:12px}
.side a{display:block;padding:8px 6px;color:var(--mute)}
.policy{margin-top:16px;padding:16px;border:2px solid #111}
.shot{margin:20px 0;transform:skew(-8deg);overflow:hidden}
.shot img{transform:skew(8deg) scale(1.08)}
footer{padding:40px 0 16px;background:#111;color:#fff}
.footer{grid-template-columns:1.4fr repeat(3,1fr);align-items:start}
.footer a,.footer p,.copy{color:#cfcfcf}
.footer a{display:block;margin:8px 0}
.copy{margin-top:24px;padding-top:12px;border-top:1px solid #333}
@media(max-width:860px){
  .links{display:none}
  .hero-grid,.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{padding:24px}
}
@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}}