:root{
  --bg:#0E1520;
  --panel:#141D2B;
  --card:#16202F;
  --line:#25334A;
  --line2:#31435E;
  --main:#FF7A1A;
  --main2:#F56A00;
  --main-soft:#FF9E45;
  --aux:#FFB37A;
  --spot:#4CC9F0;
  --text:#E9EEF6;
  --text2:#A3B1C4;
  --text3:#7C8BA0;
  --ink:#26120A;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","WenQuanYi Micro Hei",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--aux);text-decoration:none}
a:hover{color:var(--main-soft)}
figure,figcaption,blockquote,dl,dd,table{margin:0}
ul,ol{list-style:none}
h1,h2,h3{line-height:1.35;font-weight:700}
.wrap{max-width:1160px;margin:0 auto;padding:0 22px}
section{padding:58px 0 62px}
.sec-head{margin-bottom:30px}
.sec-head h2{font-size:27px;letter-spacing:.5px}
.sec-head .sub{margin-top:8px;color:var(--text2);font-size:15px}
.kicker{
  display:inline-block;font-size:12px;letter-spacing:2px;color:var(--spot);
  border:1px solid var(--line2);border-radius:999px;padding:3px 12px;margin-bottom:14px;
}
.top{
  position:sticky;top:0;z-index:50;
  background:rgba(14,21,32,.92);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.top__in{
  max-width:1160px;margin:0 auto;padding:0 22px;
  display:flex;align-items:center;gap:28px;min-height:64px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand img{width:40px;height:40px}
.brand__txt b{display:block;font-size:19px;color:var(--text);letter-spacing:.6px;line-height:1.2}
.brand__txt span{display:block;font-size:11.5px;color:var(--text3);letter-spacing:1px}
.nav{display:flex;gap:24px;margin-left:auto;flex-wrap:wrap}
.nav a{
  color:var(--text2);font-size:15px;padding:6px 2px;position:relative;white-space:nowrap;
}
.nav a:hover{color:var(--text)}
.nav a[aria-current="page"]{color:var(--main);font-weight:700}
.nav a[aria-current="page"]::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--main);
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  padding:11px 22px;border-radius:6px;font-weight:700;font-size:15px;
  white-space:nowrap;text-decoration:none;cursor:pointer;border:1px solid transparent;
  font-family:inherit;
}
.btn.btn-primary{
  background:linear-gradient(135deg,var(--main-soft),var(--main2));
  color:var(--ink);border-color:#FF8A2A;
  box-shadow:0 6px 18px rgba(245,106,0,.28);
}
.btn.btn-primary:hover{
  background:linear-gradient(135deg,#FFB35F,#FF7E1F);
  color:var(--ink);display:inline-flex;padding:11px 22px;white-space:nowrap;
}
.btn.btn-ghost{
  background:transparent;color:var(--aux);border-color:var(--line2);
}
.btn.btn-ghost:hover{
  background:rgba(255,122,26,.12);color:#FFD3AC;border-color:var(--main);
  display:inline-flex;padding:11px 22px;white-space:nowrap;
}
.top .btn{flex:0 0 auto}
.hero{position:relative;overflow:hidden;padding:64px 0 70px}
.hero::before{
  content:"";position:absolute;right:-120px;bottom:-160px;width:640px;height:460px;
  background:radial-gradient(closest-side,rgba(255,122,26,.20),rgba(255,122,26,0));
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-140px;top:-120px;width:420px;height:340px;
  background:radial-gradient(closest-side,rgba(76,201,240,.13),rgba(76,201,240,0));
  pointer-events:none;
}
.hero__in{display:grid;grid-template-columns:1.25fr .95fr;gap:44px;align-items:center;position:relative}
.hero h1{font-size:38px;letter-spacing:.5px}
.hero h1 em{font-style:normal;color:var(--main)}
.hero .lead{margin-top:16px;color:var(--text2);font-size:16.5px;max-width:560px}
.hero__acts{margin-top:26px;display:flex;gap:14px;flex-wrap:wrap;align-items:center}
.hero__note{margin-top:14px;font-size:13.5px;color:var(--text3)}
.hero__shot{
  background:var(--panel);border:1px solid var(--line);border-radius:14px;
  padding:16px 16px 14px;box-shadow:0 18px 44px rgba(0,0,0,.42);
}
.hero__shot img{width:auto;max-width:320px;height:auto;margin:0 auto}
.hero__shot figcaption{margin-top:10px;text-align:center;font-size:12.5px;color:var(--text3)}
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:rgba(20,29,43,.6)}
.stats__in{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;padding:26px 22px}
.stat{text-align:center}
.stat b{display:block;font-size:29px;font-weight:700;color:var(--main);letter-spacing:.5px}
.stat span{display:block;margin-top:2px;font-size:13px;color:var(--text2)}
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  padding:20px 20px 18px;position:relative;overflow:hidden;
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;
  background:linear-gradient(90deg,var(--main),rgba(255,122,26,0));
}
.card__trace{margin:-4px 0 12px;border-radius:8px;background:
  repeating-linear-gradient(90deg,rgba(76,201,240,.10) 0 1px,transparent 1px 14px),
  repeating-linear-gradient(0deg,rgba(76,201,240,.07) 0 1px,transparent 1px 14px),
  #101825;
  border:1px solid var(--line);
}
.card__trace svg{display:block;width:100%;height:44px}
.card h3{font-size:17.5px;color:var(--text)}
.card p{margin-top:8px;font-size:14.5px;color:var(--text2)}
.card .k{display:inline-block;margin-top:10px;font-size:12.5px;color:var(--aux);
  border:1px solid var(--line2);border-radius:4px;padding:1px 8px}
.gal{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.shot{
  background:var(--panel);border:1px solid var(--line);border-radius:12px;
  padding:16px 16px 14px;
}
.shot img{width:auto;max-width:min(400px,100%);height:auto;margin:0 auto}
.shot figcaption{margin-top:12px;text-align:center;font-size:13.5px;color:var(--text2)}
.shot figcaption b{color:var(--aux);font-weight:700}
.modes{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mode{
  background:var(--card);border:1px solid var(--line);border-radius:12px;padding:22px 20px;
}
.mode__tag{
  display:inline-block;font-size:12px;letter-spacing:1.5px;color:var(--spot);
  border:1px solid var(--line2);border-radius:999px;padding:2px 11px;margin-bottom:12px;
}
.mode h3{font-size:18px}
.mode p{margin-top:8px;font-size:14.5px;color:var(--text2)}
.mode .kv{margin-top:12px;font-size:13.5px;color:var(--text3)}
.mode .kv b{color:var(--aux);font-weight:700}
.ev{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.ev blockquote{
  background:var(--card);border:1px solid var(--line);border-left:3px solid var(--main);
  border-radius:10px;padding:20px 20px 16px;
}
.ev blockquote p{font-size:15px;color:var(--text)}
.ev blockquote footer{margin-top:12px;font-size:13px;color:var(--text3)}
.qa{border:1px solid var(--line);border-radius:12px;background:var(--panel);overflow:hidden}
.qa details{border-top:1px solid var(--line)}
.qa details:first-child{border-top:0}
.qa summary{
  cursor:pointer;list-style:none;padding:15px 20px;font-weight:700;font-size:15.5px;
  color:var(--text);display:flex;align-items:center;gap:12px;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::after{content:"+";margin-left:auto;color:var(--main);font-size:20px;font-weight:700}
.qa details[open] summary::after{content:"−"}
.qa details[open] summary{color:var(--main)}
.qa .a{padding:0 20px 16px;color:var(--text2);font-size:14.5px}
.qa .a p{margin-top:6px}
.prose{max-width:860px;margin:0 auto}
.prose h2{font-size:25px;margin-top:44px}
.prose h2:first-child{margin-top:0}
.prose h3{font-size:18px;margin-top:26px;color:var(--main-soft)}
.prose p{margin-top:14px;color:var(--text2);font-size:15.5px}
.prose .shot{margin-top:22px}
.steps{display:grid;gap:16px;margin-top:26px}
.step{
  display:flex;gap:16px;background:var(--card);border:1px solid var(--line);
  border-radius:12px;padding:18px 20px;
}
.step__n{
  flex:0 0 40px;height:40px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--main-soft),var(--main2));color:var(--ink);
  font-weight:700;font-size:17px;
}
.step h3{font-size:17px}
.step p{margin-top:6px;font-size:14.5px;color:var(--text2)}
.page-hero{padding:52px 0 44px;position:relative;overflow:hidden}
.page-hero::before{
  content:"";position:absolute;right:-140px;top:-150px;width:560px;height:400px;
  background:radial-gradient(closest-side,rgba(255,122,26,.16),rgba(255,122,26,0));
  pointer-events:none;
}
.page-hero h1{font-size:33px}
.page-hero h1 em{font-style:normal;color:var(--main)}
.page-hero .lead{margin-top:14px;color:var(--text2);font-size:16px;max-width:760px}
.crumb{font-size:13px;color:var(--text3);margin-bottom:16px}
.crumb a{color:var(--text2)}
.cta{
  background:linear-gradient(135deg,rgba(255,122,26,.14),rgba(76,201,240,.08));
  border:1px solid var(--line2);border-radius:16px;padding:40px 36px;text-align:center;
}
.cta h2{font-size:26px}
.cta p{margin-top:12px;color:var(--text2);font-size:15.5px}
.cta .btn{margin-top:22px}
.rel{
  margin-top:44px;border:1px solid var(--line);border-radius:12px;
  background:var(--panel);padding:24px 26px;
}
.rel h2{font-size:19px}
.rel ul{margin-top:14px;display:grid;gap:10px}
.rel li{font-size:15px;color:var(--text2)}
.rel li a{color:var(--aux);font-weight:700}
.foot{border-top:1px solid var(--line);background:#0A1017;padding:44px 0 30px;margin-top:10px}
.foot__in{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:34px}
.foot__brand img{width:38px;height:38px}
.foot__brand .bt{display:flex;align-items:center;gap:10px}
.foot__brand b{font-size:18px;color:var(--text)}
.foot__brand p{margin-top:12px;font-size:13.5px;color:var(--text3);max-width:340px}
.foot h3{font-size:14px;color:var(--text2);letter-spacing:1px;margin-bottom:12px}
.foot__links{display:grid;gap:9px}
.foot__links a{font-size:14px;color:var(--text2)}
.foot__links a:hover{color:var(--main)}
.foot__legal{
  margin-top:30px;padding-top:20px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--text3);line-height:1.9;
}
.foot__legal .copy{margin-top:8px;color:#5F6D80}
.trace{animation:tracein .6s cubic-bezier(.22,.72,.24,1) both}
.trace.d1{animation-delay:.07s}
.trace.d2{animation-delay:.14s}
.trace.d3{animation-delay:.21s}
@keyframes tracein{
  from{opacity:0;clip-path:inset(0 88% 0 0)}
  to{opacity:1;clip-path:inset(0 0 0 0)}
}
@media (prefers-reduced-motion:reduce){
  .trace{animation:none;opacity:1;transform:none;clip-path:none}
  html{scroll-behavior:auto}
}
@media (max-width:980px){
  .hero__in{grid-template-columns:1fr;gap:30px}
  .hero__shot img{max-width:300px}
  .cards{grid-template-columns:repeat(2,1fr)}
  .ev{grid-template-columns:1fr}
  .stats__in{grid-template-columns:repeat(2,1fr);gap:22px}
  .foot__in{grid-template-columns:1fr 1fr}
  .foot__brand{grid-column:1 / -1}
}
@media (max-width:620px){
  section{padding:44px 0 48px}
  .top__in{flex-wrap:wrap;gap:12px;padding:10px 18px}
  .brand{order:1}
  .top .btn{order:2;margin-left:auto;padding:9px 16px;font-size:14px}
  .nav{order:3;flex:1 0 100%;justify-content:center;flex-wrap:wrap;gap:6px 18px;margin-left:0}
  .nav a{font-size:14px}
  .hero{padding:40px 0 48px}
  .hero h1{font-size:29px}
  .hero__shot img{max-width:min(260px,100%)}
  .cards,.gal,.modes{grid-template-columns:1fr}
  .stats__in{grid-template-columns:repeat(2,1fr)}
  .sec-head h2{font-size:23px}
  .prose h2{font-size:21px}
  .page-hero h1{font-size:26px}
  .step{flex-direction:column;gap:10px}
  .cta{padding:30px 20px}
}