:root{--bg:#05070d;--text:#f7fbff;--muted:#95a3b6;--line:rgba(255,255,255,.13);--panel:rgba(255,255,255,.07);--green:#12c778;--cyan:#60e8ff;--blue:#579bff}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:radial-gradient(circle at 15% 0,rgba(29,132,255,.22),transparent 28%),radial-gradient(circle at 85% 10%,rgba(18,199,120,.13),transparent 26%),linear-gradient(180deg,#05070d,#081424 46%,#05070d);color:var(--text);font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}#flow{position:fixed;inset:0;width:100%;height:100%;z-index:-2;opacity:.5}.glow{position:fixed;width:360px;height:360px;border-radius:50%;background:radial-gradient(circle,rgba(96,232,255,.2),transparent 68%);pointer-events:none;transform:translate(-50%,-50%);z-index:-1}.nav{position:fixed;z-index:20;top:18px;left:50%;transform:translateX(-50%);width:min(1160px,calc(100% - 32px));height:66px;border:1px solid var(--line);border-radius:999px;background:rgba(5,7,13,.68);backdrop-filter:blur(22px);display:flex;align-items:center;justify-content:space-between;padding:0 16px}.brand{display:flex;gap:10px;align-items:center;color:white;text-decoration:none}.brand img{width:42px;height:42px;border-radius:14px;object-fit:cover;background:white}.links{display:flex;gap:28px}.links a,a{color:inherit;text-decoration:none}.links a{color:var(--muted);font-size:14px}.links a:hover{color:white}.pill{background:white;color:#06101c;padding:12px 18px;border-radius:999px;font-weight:900}.pill.ghost{background:transparent;color:white;border:2px solid rgba(255,255,255,.5);font-weight:700}.pill.ghost:hover{border-color:white;background:rgba(255,255,255,.08)}.nav-actions{display:flex;gap:10px;align-items:center}.web-entry{margin:14px 0 6px;font-size:14px}.web-entry a{color:var(--cyan);font-weight:600}.web-entry a:hover{text-decoration:underline}.section{width:min(1160px,calc(100% - 34px));margin:0 auto;padding:112px 0}.hero{min-height:100vh;display:grid;grid-template-columns:1.05fr .95fr;gap:58px;align-items:center;padding-top:150px}.tag{display:inline-flex;color:#beefff;background:rgba(96,232,255,.09);border:1px solid rgba(96,232,255,.25);border-radius:999px;padding:9px 14px;font-weight:800;font-size:13px}h1{font-size:clamp(52px,7vw,92px);line-height:.95;margin:20px 0;letter-spacing:-5px}h1 span{background:linear-gradient(90deg,#fff,var(--cyan),var(--green));-webkit-background-clip:text;color:transparent}h2{font-size:clamp(34px,4.8vw,58px);line-height:1.08;margin:14px 0;letter-spacing:-2px}h3{font-size:24px;margin:0 0 10px}.lead,p{color:var(--muted);line-height:1.82}.lead{font-size:18px}.actions{display:flex;flex-wrap:wrap;gap:14px;margin:34px 0}.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:16px 22px;font-weight:900}.primary{background:linear-gradient(135deg,var(--blue),var(--cyan));color:#021321;box-shadow:0 20px 70px rgba(87,155,255,.28)}.ghost{border:1px solid var(--line);background:rgba(255,255,255,.055)}.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px}.metrics div,.card,.product-card,.qr-card,.engine-panel{border:1px solid var(--line);background:var(--panel);backdrop-filter:blur(18px);box-shadow:0 26px 80px rgba(0,0,0,.32);border-radius:28px}.metrics div{padding:18px}.metrics b{font-size:34px;display:block}.metrics span{color:var(--muted);font-size:13px}.hero-visual{position:relative;min-height:650px;display:grid;place-items:center}.logo-card{position:absolute;top:20px;right:20px;width:230px;padding:22px;border-radius:34px;background:rgba(255,255,255,.92);box-shadow:0 30px 90px rgba(0,0,0,.38);transform:rotate(3deg)}.logo-card img{width:100%;display:block}.phone{width:330px;height:650px;border-radius:48px;padding:13px;border:1px solid rgba(255,255,255,.24);background:linear-gradient(150deg,rgba(255,255,255,.24),rgba(255,255,255,.05));box-shadow:0 40px 110px rgba(0,0,0,.55)}.screen{position:relative;height:100%;overflow:hidden;border-radius:38px;background:#fff}.shot{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:0;transform:scale(1.03);transition:1s}.shot.active{opacity:1;transform:scale(1)}.float{position:absolute;padding:13px 16px;border:1px solid var(--line);border-radius:999px;background:rgba(255,255,255,.1);backdrop-filter:blur(18px);font-weight:900}.f1{left:18px;top:160px}.f2{right:0;top:340px}.f3{left:32px;bottom:95px}.title{text-align:center;max-width:780px;margin:0 auto 44px}.title em{font-style:normal;color:var(--cyan);font-weight:900;letter-spacing:2px}.cards{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.card,.product-card{padding:28px;transition:.28s}.card:hover,.product-card:hover,.qr-card:hover{transform:translateY(-8px);background:rgba(255,255,255,.11)}.engine-panel{display:grid;grid-template-columns:1fr 1fr;gap:46px;padding:46px;align-items:center}.orbit{height:420px;border-radius:50%;border:1px solid rgba(96,232,255,.26);display:grid;place-items:center;position:relative;box-shadow:inset 0 0 70px rgba(96,232,255,.12),0 0 100px rgba(96,232,255,.09)}.orbit span{font-size:56px;font-weight:950}.orbit i{position:absolute;font-style:normal;font-weight:900;color:#dff7ff;background:rgba(255,255,255,.1);border:1px solid var(--line);padding:10px 14px;border-radius:999px}.orbit i:nth-child(2){top:28px}.orbit i:nth-child(3){right:32px;top:118px}.orbit i:nth-child(4){right:44px;bottom:96px}.orbit i:nth-child(5){bottom:28px}.orbit i:nth-child(6){left:34px;bottom:100px}.orbit i:nth-child(7){left:26px;top:118px}.product-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.product-card a,.product-card button{display:inline-flex;margin-top:12px;background:var(--green);color:#02130c;border:0;border-radius:999px;padding:12px 16px;font-weight:900;cursor:pointer}.gallery{margin-top:26px;display:grid;grid-template-columns:repeat(6,1fr);gap:14px}.gallery img{width:100%;height:360px;object-fit:cover;object-position:top;border-radius:26px;border:1px solid var(--line);box-shadow:0 24px 70px rgba(0,0,0,.3);transition:.28s}.gallery img:hover{transform:translateY(-10px) scale(1.03)}.community{display:grid;grid-template-columns:1fr 420px;gap:42px;align-items:center}.qr-card{padding:22px;text-align:center}.qr-card img{width:100%;border-radius:22px;background:white}.qr-card b{display:block;margin-top:16px;font-size:20px}.qr-card span{display:block;color:var(--muted);margin-top:8px}.qr-text{max-width:590px}footer{width:min(1160px,calc(100% - 34px));margin:0 auto;padding:36px 0 48px;border-top:1px solid var(--line);display:flex;gap:24px;justify-content:space-between;color:var(--muted)}footer b{color:white}.reveal{opacity:0;transform:translateY(28px);transition:.8s}.reveal.visible{opacity:1;transform:translateY(0)}.delay{transition-delay:.15s}@media(max-width:900px){.links{display:none}.hero,.engine-panel,.community{grid-template-columns:1fr}.hero-visual{min-height:560px}.phone{width:280px;height:552px}.logo-card{width:170px}.cards,.product-grid,.gallery,.metrics{grid-template-columns:1fr}.gallery img{height:auto}.community{gap:22px}footer{display:grid}h1{letter-spacing:-2px}.section{padding:84px 0}}

/* Mobile-first polish: fixes oversized desktop composition on phones */
@media (max-width: 640px){
  html, body{width:100%;max-width:100%;overflow-x:hidden;}
  body{background:radial-gradient(circle at 50% -10%,rgba(96,232,255,.18),transparent 26%),linear-gradient(180deg,#071624,#05070d 58%,#05070d);}
  #flow{opacity:.22;}
  .glow{display:none;}
  .nav{
    top:10px;left:12px;right:12px;transform:none;width:auto;height:54px;
    border-radius:18px;padding:0 10px;background:rgba(5,7,13,.82);
  }
  .nav-actions{gap:6px;}
  .brand{gap:8px;font-size:14px;min-width:0;}
  .brand img{width:32px;height:32px;border-radius:10px;}
  .pill{padding:9px 12px;font-size:13px;white-space:nowrap;}
  .section{width:calc(100% - 28px);padding:58px 0;}
  .hero{display:block;min-height:auto;padding-top:92px;padding-bottom:38px;}
  .tag{font-size:11px;padding:7px 10px;}
  h1{font-size:42px;line-height:1.02;letter-spacing:-2px;margin:16px 0 14px;}
  h2{font-size:30px;line-height:1.12;letter-spacing:-1px;}
  h3{font-size:20px;}
  .lead,p{font-size:14px;line-height:1.75;}
  .actions{gap:10px;margin:22px 0;}
  .btn{width:100%;padding:13px 16px;font-size:14px;}
  .actions .btn{width:calc(50% - 5px);}
  .actions .btn:first-child{width:100%;}
  .metrics{grid-template-columns:repeat(3,1fr);gap:8px;}
  .metrics div{padding:12px 8px;border-radius:18px;text-align:center;}
  .metrics b{font-size:21px;}
  .metrics span{font-size:11px;line-height:1.25;display:block;}
  .hero-visual{min-height:0;margin-top:26px;display:block;}
  .logo-card{display:none;}
  .phone{width:min(74vw,292px);height:min(146vw,574px);margin:0 auto;border-radius:34px;padding:9px;}
  .screen{border-radius:27px;}
  .float{display:none;}
  .title{text-align:left;margin:0 0 22px;}
  .cards{grid-template-columns:1fr;gap:12px;}
  .card,.product-card{padding:20px;border-radius:22px;}
  .engine-panel{display:block;padding:22px;border-radius:24px;}
  .orbit{height:285px;margin-top:24px;}
  .orbit span{font-size:42px;}
  .orbit i{font-size:12px;padding:7px 10px;}
  .orbit i:nth-child(2){top:18px}.orbit i:nth-child(3){right:14px;top:78px}.orbit i:nth-child(4){right:18px;bottom:65px}.orbit i:nth-child(5){bottom:18px}.orbit i:nth-child(6){left:18px;bottom:65px}.orbit i:nth-child(7){left:14px;top:78px}
  .product-grid{grid-template-columns:1fr;gap:12px;}
  .product-card a,.product-card button{width:100%;justify-content:center;}
  .gallery{grid-template-columns:repeat(2,1fr);gap:10px;margin-top:18px;}
  .gallery img{height:260px;border-radius:18px;object-fit:cover;object-position:top;}
  .community{display:block;}
  .qr-text{margin-bottom:18px;}
  .qr-card{padding:14px;border-radius:22px;}
  .qr-card img{border-radius:16px;max-height:420px;object-fit:contain;}
  #douyin.community{display:flex;flex-direction:column-reverse;gap:18px;}
  footer{width:calc(100% - 28px);display:block;padding:26px 0 34px;font-size:13px;line-height:1.9;}
  footer span{display:block;}
}

@media (max-width: 380px){
  h1{font-size:38px;}
  .gallery img{height:230px;}
  .phone{width:78vw;height:154vw;}
}