:root{
  --bg:#f4faf7;
  --paper:#ffffff;
  --ink:#16352c;
  --mute:#5b736b;
  --green:#1f8a68;
  --green-deep:#146b50;
  --line:#cfe6db;
  --safe:#e8f6ef;
  --max:1120px;
}
*{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(180deg,#ffffff 0,var(--bg) 180px);
}
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:74px;
  background:rgba(255,255,255,.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:74px;grid-template-columns:auto 1fr auto}
.brand{display:flex;align-items:center;gap:8px;font-weight:800;letter-spacing:.2px}
.brand b{
  width:32px;height:32px;display:grid;place-items:center;
  border-radius:50%;background:var(--safe);color:var(--green);border:1px solid var(--green);
  font-size:13px;
}
.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:44px;padding:0 20px;border-radius:999px;font-weight:800;
  color:#fff;background:var(--green);border:1px solid var(--green-deep);
}
.button.ghost{background:#fff;color:var(--green)}
.hero{padding:36px 0 64px}
.hero-grid{grid-template-columns:1.05fr .95fr;min-height:540px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--green);font-size:12px;font-weight:800;letter-spacing:1.4px;
}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--green)}
h1,h2{margin:10px 0 16px;line-height:1.16}
.hero h1{font-size:clamp(32px,5vw,56px)}
.hero h1 span{color:var(--green)}
p,.lead{color:var(--mute)}
.actions,.micro{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.micro span{
  padding:6px 12px;border-radius:999px;background:var(--safe);
  border:1px solid var(--line);font-size:12px;color:var(--green-deep);
}
.slab{
  position:relative;padding:10px;background:var(--paper);
  border:1px solid var(--line);border-radius:18px;
  box-shadow:0 12px 32px rgba(20,107,80,.06);
}
.slab:after{
  content:"PRIVACY ZONE";position:absolute;left:18px;top:18px;
  padding:4px 8px;font-size:11px;font-weight:800;letter-spacing:.8px;
  color:var(--green);background:var(--safe);border:1px solid var(--line);border-radius:6px;
}
.slab img,.shot img,.visual img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:12px}
.tag{
  position:absolute;padding:10px 12px;font-size:12px;background:#fff;
  border:1px solid var(--line);border-radius:10px;box-shadow:0 8px 18px rgba(22,53,44,.06);
}
.a{left:16px;bottom:18px}
.b{right:16px;top:52px}
.section{padding:78px 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:14px}
.card,.review,.download-card,.article,.scene{
  padding:22px;background:var(--paper);border:1px solid var(--line);border-radius:16px;
}
.card{border-top:3px solid var(--green)}
.icon{
  width:36px;height:36px;display:grid;place-items:center;
  border-radius:10px;background:var(--safe);color:var(--green);font-weight:800;
}
.card h3{margin:12px 0 8px}
.split,.visual,.faq-layout{grid-template-columns:1fr 1fr;gap:40px}
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin:18px 0 24px}
.scene b{display:block;color:var(--green);font-size:12px}
.visual{gap:0;border:1px solid var(--line);border-radius:20px;overflow:hidden;background:#fff}
.visual img{border-radius:0;aspect-ratio:16/11}
.visual-copy{padding:44px 36px;background:linear-gradient(180deg,#fff,var(--safe))}
.metrics{display:flex;gap:26px;margin:20px 0 26px}
.metrics b{display:block;color:var(--green);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-radius:50%;
  background:var(--safe);color:var(--green);font-weight:800;border:1px solid var(--line);
}
.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:10px 0 70px}
.cta-in{
  grid-template-columns:1fr auto;padding:26px 28px;
  background:var(--green);color:#fff;border-radius:18px;
}
.cta-in p{color:rgba(255,255,255,.86)}
.cta-in .button{background:#fff;color:var(--green-deep);border-color:#fff}
.page-head{padding:72px 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)}
.side a:hover{color:var(--green)}
.policy{margin-top:16px;padding:16px;border:1px solid var(--line);border-radius:12px;background:var(--safe)}
.shot{margin:20px 0}
footer{padding:46px 0 16px;border-top:1px solid var(--line);background:#fff}
.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{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}}