:root{
  --bg:#0B0718;
  --bg2:#130C26;
  --bg3:#1B1235;
  --card:#171028;
  --card2:#221646;
  --line:#382665;
  --cyan:#2BE8FF;
  --cyan-d:#0E93B8;
  --pink:#FF2F7E;
  --pink-d:#C40E58;
  --violet:#9B5CFF;
  --tx:#EDE7F7;
  --tx2:#A99BC8;
  --btn-a:#D81263;
  --btn-b:#7B2BE6;
  --wrap:1160px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--tx);
  font:16px/1.75 "Microsoft YaHei","PingFang SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--cyan);text-decoration:none}
a:hover{color:var(--pink)}
h1,h2,h3{margin:0;line-height:1.35;letter-spacing:.2px}
p{margin:0 0 14px}
ul{margin:0;padding:0;list-style:none}

.top{position:sticky;top:0;z-index:20;background:rgba(11,7,24,.92);border-bottom:1px solid var(--line);backdrop-filter:blur(8px)}
.top__in{max-width:var(--wrap);margin:0 auto;padding:12px 20px;display:flex;align-items:center;gap:18px}
.brand{display:flex;align-items:center;gap:11px;color:var(--tx);flex:0 0 auto}
.brand__mark{width:44px;height:44px;border-radius:12px;box-shadow:0 0 0 1px rgba(43,232,255,.35),0 6px 18px rgba(255,47,126,.28)}
.brand__name{font-size:20px;font-weight:800;letter-spacing:3px}
.nav{margin-left:auto;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.nav a{color:var(--tx2);font-size:15px;padding:8px 12px;border-radius:9px}
.nav a:hover{color:var(--cyan);background:rgba(43,232,255,.09)}
.nav a.nav__on{color:var(--cyan);background:rgba(43,232,255,.13);box-shadow:inset 0 -2px 0 var(--cyan)}
.btn{
  display:inline-block;padding:11px 26px;border-radius:11px;border:0;
  background:linear-gradient(135deg,var(--btn-a),var(--btn-b));
  color:#FFFFFF;font-weight:700;font-size:15px;letter-spacing:1px;
  box-shadow:0 0 0 1px rgba(255,47,126,.45),0 8px 22px rgba(123,43,230,.34);
  cursor:pointer;font-family:inherit;
}
.btn:hover{color:#FFFFFF;filter:brightness(1.09);box-shadow:0 0 0 1px rgba(43,232,255,.55),0 10px 26px rgba(43,232,255,.3)}
.top .btn{flex:0 0 auto;padding:10px 20px}

.hero{position:relative;overflow:hidden;border-bottom:0;
  background:
    radial-gradient(620px 420px at 6% 4%,rgba(255,47,126,.30),transparent 62%),
    radial-gradient(680px 470px at 97% 8%,rgba(43,232,255,.24),transparent 64%),
    linear-gradient(180deg,var(--bg2),var(--bg))}
.hero::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(90deg,rgba(43,232,255,.07) 0 1px,transparent 1px 32px),
    repeating-linear-gradient(0deg,rgba(155,92,255,.065) 0 1px,transparent 1px 32px)}
.hero::after{content:"";position:absolute;left:-10%;bottom:0;width:66%;height:132px;transform:skewX(-12deg);pointer-events:none;
  background:linear-gradient(90deg,rgba(43,232,255,.22),rgba(255,47,126,.14),transparent)}
.hero__in{position:relative;z-index:2;max-width:var(--wrap);margin:0 auto;padding:46px 20px 52px;
  display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:40px;align-items:center}
.kicker{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:2px;color:var(--pink);
  text-transform:uppercase;margin-bottom:14px}
.kicker::before{content:"";width:9px;height:9px;transform:rotate(45deg);background:var(--cyan)}
.hero h1{font-size:clamp(30px,3.5vw,44px);font-weight:800;letter-spacing:2px}
.hero h1 em{font-style:normal;color:var(--cyan)}
.hero__lead{margin:16px 0 22px;color:var(--tx2);font-size:16px;max-width:560px}
.hero__cta{display:flex;align-items:center;gap:16px;flex-wrap:wrap}
.hero__note{color:var(--tx2);font-size:13.5px;letter-spacing:.4px}
.hero__note b{color:var(--cyan);font-weight:700}
.hero__shot{margin:0;max-width:300px;margin-left:auto;margin-right:auto;padding:10px;border-radius:20px;
  background:linear-gradient(150deg,rgba(43,232,255,.42),rgba(155,92,255,.28),rgba(255,47,126,.42));
  box-shadow:0 22px 50px rgba(0,0,0,.55)}
.hero__shot img{width:100%;height:auto;border-radius:13px}
.hero__edge{position:relative;z-index:2;height:3px;background:linear-gradient(90deg,var(--cyan),var(--violet),var(--pink))}

.facts{position:relative;z-index:3;margin-top:-32px}
.facts__in{max-width:var(--wrap);margin:0 auto;padding:0 20px;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.fact{background:var(--card2);border:1px solid var(--line);border-radius:14px;padding:16px 18px;position:relative;overflow:hidden}
.fact::before{content:"";position:absolute;left:0;top:0;width:3px;height:100%;background:linear-gradient(180deg,var(--cyan),var(--pink))}
.fact b{display:block;font-size:15px;color:var(--cyan);letter-spacing:.6px}
.fact span{display:block;margin-top:5px;font-size:13.5px;color:var(--tx2)}

.sec{max-width:var(--wrap);margin:0 auto;padding:64px 20px 0}
.sec__head{position:relative;padding-top:12px;margin-bottom:26px}
.sec__pulse{position:absolute;left:0;top:0;right:0;height:3px;
  background-image:repeating-linear-gradient(90deg,var(--cyan) 0 4px,transparent 4px 11px);opacity:.62}
.sec__pulse::before{content:"";position:absolute;left:0;top:0;width:34px;height:3px;background:var(--pink)}
.sec__ring{position:absolute;left:0;top:24px;width:34px;height:34px;border-radius:50%;
  background:conic-gradient(from -30deg,var(--cyan) 0 300deg,rgba(43,232,255,.12) 300deg 360deg)}
.sec__ring::after{content:"";position:absolute;left:3px;top:3px;right:3px;bottom:3px;border-radius:50%;background:var(--bg)}
.sec__ring::before{content:"";position:absolute;left:50%;top:50%;width:9px;height:9px;margin:-5px 0 0 -5px;border-radius:50%;background:var(--pink);z-index:2}
.sec h2{font-size:clamp(21px,2.4vw,28px);font-weight:800;padding-left:50px;color:var(--tx)}
.sec h2 i{font-style:normal;color:var(--cyan)}
.sec__sub{padding-left:50px;margin:8px 0 0;color:var(--tx2);font-size:14.5px;max-width:760px}

.tabs{display:flex;gap:8px;flex-wrap:wrap;margin-bottom:18px}
.tab{padding:9px 20px;border-radius:20px;border:1px solid var(--line);background:var(--card);
  color:var(--tx2);font-size:14.5px;cursor:pointer;font-family:inherit}
.tab:hover{color:var(--cyan);border-color:rgba(43,232,255,.5)}
.tab__on{background:linear-gradient(135deg,rgba(43,232,255,.18),rgba(255,47,126,.14));color:var(--tx);border-color:rgba(43,232,255,.62)}
.panel{display:none}
.panel__on{display:block}
.chips{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}
.chip{display:block;width:100%;text-align:left;padding:14px 16px;border-radius:13px;
  border:1px solid rgba(43,232,255,.24);background:var(--card);color:var(--tx);
  font-family:inherit;font-size:15px;cursor:pointer;position:relative;overflow:hidden}
.chip small{display:block;margin-top:4px;color:var(--tx2);font-size:12.5px;letter-spacing:.3px}
.chip:hover{border-color:var(--cyan);box-shadow:0 0 0 1px rgba(43,232,255,.4),0 10px 26px rgba(43,232,255,.16)}
.chip::after{content:"";position:absolute;right:10px;top:10px;width:7px;height:7px;background:var(--pink);opacity:.85}

.sync{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.sync__card{background:var(--card);border:1px solid rgba(43,232,255,.22);border-radius:16px;padding:22px 22px 18px;position:relative}
.sync__card::after{content:"";position:absolute;right:14px;top:14px;width:7px;height:7px;background:var(--pink)}
.sync__card h3{font-size:17px;color:var(--cyan);margin-bottom:10px}
.sync__card p{color:var(--tx2);font-size:14.5px;margin-bottom:10px}
.sync__list li{position:relative;padding-left:16px;color:var(--tx2);font-size:14.5px;margin-bottom:7px}
.sync__list li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;background:var(--cyan)}
.sync__list li b{color:var(--tx)}

.paths{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.path{border-left:2px solid var(--violet);padding:4px 0 4px 18px}
.path h3{font-size:17px;margin-bottom:8px}
.path h3 span{color:var(--pink);font-weight:800;margin-right:6px}
.path p{color:var(--tx2);font-size:14.5px;margin:0}

.gal{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.fig{margin:0;background:var(--card);border:1px solid rgba(43,232,255,.2);border-radius:16px;padding:14px}
.fig img{width:100%;height:auto;border-radius:10px}
.fig figcaption{margin-top:11px;color:var(--tx2);font-size:13.5px}
.fig figcaption b{color:var(--cyan);font-weight:700}

.faq{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}
.faq details{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:16px 18px}
.faq details[open]{border-color:rgba(43,232,255,.48)}
.faq summary{cursor:pointer;font-size:15.5px;font-weight:700;color:var(--tx);list-style:none}
.faq summary::-webkit-details-marker{display:none}
.faq summary::before{content:"›";color:var(--cyan);font-weight:800;margin-right:8px}
.faq details[open] summary::before{content:"⌄";color:var(--pink)}
.faq p{margin:10px 0 0;color:var(--tx2);font-size:14.5px}

.cards{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.ecard{display:block;background:linear-gradient(150deg,var(--card2),var(--card));border:1px solid rgba(155,92,255,.32);
  border-radius:18px;padding:26px;color:var(--tx)}
.ecard:hover{color:var(--tx);border-color:var(--cyan);box-shadow:0 14px 34px rgba(43,232,255,.16)}
.ecard b{display:inline-block;font-size:12.5px;letter-spacing:2px;color:var(--pink);margin-bottom:10px}
.ecard h3{font-size:19px;margin-bottom:9px}
.ecard p{color:var(--tx2);font-size:14.5px;margin:0}

.cta{margin-top:70px;background:linear-gradient(135deg,rgba(43,232,255,.16),rgba(255,47,126,.16)),var(--bg2);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.cta__in{max-width:var(--wrap);margin:0 auto;padding:52px 20px;text-align:center}
.cta h2{font-size:clamp(21px,2.5vw,29px);font-weight:800;margin-bottom:12px}
.cta p{color:var(--tx2);font-size:15px;margin-bottom:22px}
.download-specs{display:flex;justify-content:center;flex-wrap:wrap;gap:12px;margin:22px auto 0;max-width:600px}
.download-specs div{flex:1 1 150px;max-width:190px;min-width:0;padding:10px 14px;text-align:left;border:1px solid var(--line);border-radius:8px;background:rgba(255,255,255,.04)}
.download-specs span,.download-specs strong{display:block;line-height:1.4}
.download-specs span{color:var(--tx2);font-size:12px}
.download-specs strong{margin-top:4px;color:#fff;font-size:15px;white-space:nowrap}

.foot{background:#080413;border-top:1px solid var(--line)}
.foot__in{max-width:var(--wrap);margin:0 auto;padding:34px 20px 26px;display:grid;grid-template-columns:minmax(0,1.2fr) minmax(0,1fr);gap:22px}
.foot__brand{display:flex;align-items:center;gap:10px;margin-bottom:10px}
.foot__brand img{width:36px;height:36px;border-radius:10px}
.foot__brand strong{font-size:17px;letter-spacing:2px}
.foot__note{color:var(--tx2);font-size:13.5px;margin:0}
.foot__nav{display:flex;flex-wrap:wrap;gap:6px 16px;align-content:flex-start}
.foot__nav a{color:var(--tx2);font-size:14px}
.foot__nav a:hover{color:var(--cyan)}
.foot__bar{border-top:1px solid var(--line);text-align:center;padding:16px 20px 22px;color:var(--tx2);font-size:13px}
.foot__bar span{color:var(--cyan)}

@keyframes scanIn{from{transform:translateY(12px);filter:brightness(1.42)}to{transform:none;filter:none}}
.fx{animation:scanIn .6s cubic-bezier(.22,.7,.3,1) both}
.fx.d1{animation-delay:.07s}
.fx.d2{animation-delay:.14s}
@media (prefers-reduced-motion:reduce){.fx{animation:none;transform:none;filter:none}}

@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:28px;padding:36px 20px 42px}
  .hero__shot{margin:0 auto;max-width:280px}
  .facts__in{grid-template-columns:repeat(2,minmax(0,1fr))}
  .chips{grid-template-columns:repeat(3,minmax(0,1fr))}
  .sync,.paths,.gal{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq{grid-template-columns:1fr}
  .foot__in{grid-template-columns:1fr}
}
@media (max-width:620px){
  .top__in{padding:10px 14px;gap:10px;flex-wrap:wrap}
  .brand__mark{width:38px;height:38px}
  .brand__name{font-size:17px;letter-spacing:2px}
  .nav{margin-left:0;width:100%;justify-content:flex-start}
  .nav a{padding:7px 9px;font-size:14px}
  .top .btn{padding:9px 16px;font-size:14px}
  .sec,.hero__in,.facts__in,.cta__in,.foot__in{padding-left:14px;padding-right:14px}
  .hero__shot{max-width:230px}
  .hero__note{font-size:12.5px}
  .facts__in{grid-template-columns:1fr}
  .chips{grid-template-columns:repeat(2,minmax(0,1fr))}
  .sync,.paths,.gal,.cards{grid-template-columns:1fr}
  .sec{padding-top:48px}
  .sec__sub,.sec h2{padding-left:44px}
}

.rules{width:100%;border-collapse:collapse;margin-top:6px}
.rules th,.rules td{border:1px solid var(--line);padding:10px 12px;text-align:left;font-size:14.5px;vertical-align:top}
.rules th{background:var(--card2);color:var(--cyan);font-weight:700}
.rules td{color:var(--tx2)}
.rules td b{color:var(--tx)}

.steps{counter-reset:st;display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.step{background:var(--card);border:1px solid var(--line);border-radius:14px;padding:20px 20px 16px;position:relative}
.step::before{counter-increment:st;content:"0" counter(st);position:absolute;right:16px;top:12px;font-size:26px;font-weight:800;
  color:rgba(43,232,255,.22)}
.step h3{font-size:16.5px;color:var(--cyan);margin-bottom:8px;padding-right:44px}
.step p{color:var(--tx2);font-size:14.5px;margin:0}
@media (max-width:620px){.steps{grid-template-columns:1fr}}