*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#1d2733;background:#f3f7f4;letter-spacing:0;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;z-index:-1;background:linear-gradient(90deg,rgba(33,96,73,.07) 1px,transparent 1px),linear-gradient(0deg,rgba(33,96,73,.05) 1px,transparent 1px);background-size:80px 80px}
a{color:inherit;text-decoration:none}
.site-header{width:min(1120px,92%);margin:18px auto 0;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:12px 14px;background:rgba(255,255,255,.9);border:1px solid #dbe5dc;border-radius:8px;position:sticky;top:14px;z-index:20;box-shadow:0 16px 40px rgba(30,55,44,.08);backdrop-filter:blur(16px)}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:900;white-space:nowrap}
.brand img{width:36px;height:36px;border-radius:8px;display:block}
.site-header nav{display:flex;align-items:center;gap:26px;font-size:14px;color:#53645a}
.header-download,.primary-btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:8px;font-weight:900}
.header-download{min-height:40px;padding:0 18px;white-space:nowrap;background:#1f4635;color:#fff}
.hero{width:min(1120px,92%);margin:56px auto 78px;display:grid;grid-template-columns:minmax(0,1fr) 460px;gap:58px;align-items:center}
.eyebrow,.section-head p,.scene-copy p{margin:0 0 14px;color:#c56a2c;font-size:14px;font-weight:950}
h1,h2,h3,p{letter-spacing:0}
h1{margin:0;font-size:68px;line-height:1.05;color:#1f2b36;max-width:720px}
.lead{margin:24px 0 0;max-width:620px;font-size:18px;line-height:1.78;color:#596a61}
.cta-row{margin-top:34px;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.primary-btn{min-height:58px;padding:0 30px;font-size:18px;background:#f1b84b;color:#241808;box-shadow:0 16px 34px rgba(197,106,44,.22)}
.primary-btn span{font-size:20px;margin-right:8px;line-height:1}
.apk-note{font-size:14px;color:#66746c}
.app-visual{min-height:560px;display:grid;place-items:center;position:relative}
.app-visual:before{content:"";position:absolute;inset:28px 14px;border:1px solid #d7e4da;border-radius:8px;background:#fff;box-shadow:0 26px 60px rgba(30,55,44,.1)}
.phone-shell{width:min(370px,100%);min-height:520px;position:relative;padding:26px;background:#1f4635;color:#fff;border:1px solid rgba(255,255,255,.18);border-radius:8px;box-shadow:0 24px 54px rgba(31,70,53,.22)}
.phone-top{display:flex;align-items:center;gap:14px;padding-bottom:22px;border-bottom:1px solid rgba(255,255,255,.16)}
.phone-top img{width:50px;height:50px;border-radius:8px;background:#fff}
.phone-top strong{display:block;font-size:21px}
.phone-top span{display:block;margin-top:4px;color:#bfd4c8;font-size:13px}
.speed-ring{width:190px;height:190px;margin:36px auto;display:grid;place-items:center;border-radius:8px;background:#f1b84b;position:relative;box-shadow:inset 0 0 0 16px rgba(255,255,255,.18)}
.speed-ring:before{content:"";position:absolute;inset:24px;border-radius:8px;background:#fff}
.speed-ring div{position:relative;text-align:center;display:grid;gap:6px;color:#1f2b36}
.speed-ring span{font-size:42px;font-weight:950;line-height:1}
.speed-ring small{display:block;color:#66746c;font-weight:900;font-size:13px}
.route-list{display:grid;gap:10px}
.route-list div{display:grid;grid-template-columns:42px 1fr auto;align-items:center;gap:12px;padding:12px;border-radius:8px;background:rgba(255,255,255,.08)}
.route-list b{width:38px;height:38px;display:grid;place-items:center;border-radius:8px;background:#fff;color:#1f4635}
.route-list span{font-weight:800;color:#eef7f1}
.route-list em{font-style:normal;color:#f1b84b;font-weight:950}
section{width:min(1120px,92%);margin:0 auto 82px}
.section-head{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:end;margin-bottom:24px}
.section-head h2,.scene-copy h2,.faq h2{margin:0;font-size:40px;line-height:1.18;color:#1f2b36}
.benefit-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}
.benefit-grid article{padding:26px;background:#fff;border:1px solid #dbe5dc;border-radius:8px;box-shadow:0 18px 38px rgba(30,55,44,.07)}
.mark{display:inline-grid;place-items:center;width:44px;height:44px;border-radius:8px;background:#1f4635;color:#fff;font-weight:950}
.benefit-grid h3{font-size:22px;margin:24px 0 10px}
.benefit-grid p,.faq p{margin:0;color:#66746c;line-height:1.75}
.scenes{display:grid;grid-template-columns:340px 1fr;gap:36px;align-items:start;padding:34px;background:#fff;border:1px solid #dbe5dc;border-radius:8px}
.scene-list{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.scene-list div{padding:20px;border:1px solid #dbe5dc;border-radius:8px;background:#f8fbf8}
.scene-list strong{display:block;font-size:20px;margin-bottom:8px;color:#1f2b36}
.scene-list span{color:#66746c;line-height:1.6}
.faq{max-width:820px}
.faq h2{text-align:center;margin-bottom:24px}
.faq details{background:#fff;border:1px solid #dbe5dc;border-radius:8px;margin-bottom:12px;padding:20px 22px}
.faq summary{cursor:pointer;font-size:18px;font-weight:900}
.faq p{padding-top:12px}
footer{text-align:center;color:#66746c;padding:36px 16px 44px}
@media(max-width:920px){
  .site-header nav{display:none}
  .hero{grid-template-columns:1fr;gap:36px;margin-top:42px}
  h1{font-size:48px}
  .app-visual{min-height:430px}
  .phone-shell{min-height:450px}
  .benefit-grid,.scene-list,.scenes,.section-head{grid-template-columns:1fr}
}
@media(max-width:560px){
  .site-header{width:94%;gap:10px}
  .brand span{font-size:16px}
  .header-download{padding:0 12px;font-size:13px}
  h1{font-size:38px}
  .lead{font-size:16px}
  .primary-btn{width:100%}
  .app-visual:before{inset:24px 0}
  .phone-shell{width:100%;min-height:auto;padding:22px}
  .speed-ring{width:170px;height:170px;margin:28px auto}
  .route-list div{grid-template-columns:38px minmax(0,1fr) auto;gap:10px}
  .scenes{padding:22px}
}