:root{
  --bg:#fff;
  --ink:#0b0b0b;
  --mute:#4a4a4a;
  --line:#0b0b0b;
  --acc:#0b3d91;
  --data:#0b0b0b;
  --max:1120px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;color:var(--ink);background:var(--bg);
  font:16px/1.65 "Georgia","Songti SC","SimSun",serif;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.wrap{width:min(var(--max),calc(100% - 28px));margin:auto}
nav{
  position:sticky;top:0;z-index:20;background:#fff;
  border-bottom:1px solid var(--line);
  font-family:"Arial","PingFang SC","Microsoft YaHei",sans-serif;
}
.nav{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:52px}
.brand{font-weight:900;letter-spacing:-.04em}
.brand b{color:var(--acc)}
.links{display:flex;gap:16px;font-size:13px;font-weight:700}
.button{
  display:inline-flex;align-items:center;justify-content:center;
  min-height:36px;padding:0 14px;border:2px solid var(--ink);
  font-weight:800;color:#fff;background:var(--ink);
  font-family:"Arial","PingFang SC",sans-serif;
}
.button.ghost{background:#fff;color:var(--ink)}
.desk{padding:18px 0 8px}
.kicker{font-family:Arial,sans-serif;font-size:11px;letter-spacing:.18em;text-transform:uppercase;font-weight:800;margin-bottom:8px}
h1,h2,h3{margin:0 0 10px;line-height:1.1;font-weight:900}
h1{font-size:clamp(30px,5vw,56px);letter-spacing:-.04em}
h2{font-size:clamp(22px,3vw,34px)}
p,.lead{color:var(--mute);margin:0 0 12px}
.grid-news{
  display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:14px;
  border-top:4px solid var(--line);border-bottom:1px solid var(--line);padding:16px 0;
}
.grid-news img{width:100%;aspect-ratio:16/10;object-fit:cover}
.data{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid var(--line);margin-top:14px}
.data div{padding:12px;border-right:1px solid var(--line);font-family:Arial,sans-serif}
.data div:last-child{border-right:0}
.data b{display:block;font-size:22px}
.actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:14px}
.section{padding:42px 0}
.head{margin-bottom:16px;max-width:680px}
.grid6,.review-grid,.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line)}
.card,.review,.download-card,.article,.scene{
  background:#fff;padding:16px;
}
.icon{font-size:12px;color:var(--acc);font-weight:800;font-family:Arial,sans-serif}
.split,.visual,.faq-layout,.help-layout,.cta-in,.footer{display:grid;gap:18px}
.split,.visual,.faq-layout{grid-template-columns:1fr 1fr;align-items:center}
.split img,.visual img,.shot img{width:100%;aspect-ratio:16/10;object-fit:cover}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:12px 0 16px}
.scene{border:1px solid var(--line)}
.scene b{display:block;color:var(--acc);font-size:12px}
.metrics{display:flex;gap:20px;margin:14px 0;font-family:Arial,sans-serif}
.metrics b{display:block;font-size:22px}
.person{margin-top:8px;font-family:Arial,"PingFang SC",sans-serif}
.person small{display:block;color:var(--mute)}
details{border-bottom:1px solid var(--line)}
summary{padding:12px 0;font-weight:800;cursor:pointer;list-style:none;font-family:Arial,"PingFang SC",sans-serif}
.cta{padding:8px 0 42px}
.cta-in{grid-template-columns:1.3fr auto;align-items:center;padding:20px;background:var(--ink);color:#fff}
.cta-in p{color:#cfcfcf}
.page-head{padding:32px 0 8px}
.help-layout{grid-template-columns:210px 1fr;align-items:start}
.side{padding:14px;border:1px solid var(--line);position:sticky;top:68px;font-family:Arial,"PingFang SC",sans-serif}
.side a{display:block;padding:7px 4px;color:var(--mute)}
.policy{margin-top:12px;padding:14px;border:1px solid var(--line)}
footer{padding:36px 0 14px;background:#0b0b0b;color:#fff;font-family:Arial,"PingFang SC",sans-serif}
.footer{grid-template-columns:1.4fr repeat(3,1fr)}
.footer a,.footer p,.copy{color:#bdbdbd}
.footer a{display:block;margin:7px 0}
.copy{margin-top:16px;padding-top:12px;border-top:1px solid #333}
@media(max-width:900px){
  .links{display:none}
  .grid-news,.data,.split,.visual,.faq-layout,.help-layout,.cta-in,.footer{grid-template-columns:1fr}
  .grid6,.review-grid,.cards,.scene-grid{grid-template-columns:1fr 1fr}
  .data div{border-right:0;border-bottom:1px solid var(--line)}
  .side{position:static}
}
@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}}