*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth}
body.uetsa-body{font-family:system-ui,-apple-system,'Segoe UI','PingFang SC','Microsoft Yahei',sans-serif;background:#130300;color:#f9e4e1;
line-height:1.7}
a{color:inherit;text-decoration:none}
.uetsa-container{max-width:1080px;margin:0 auto;padding:0 24px}
.uetsa-narrow{max-width:760px}
.uetsa-nav{position:sticky;top:0;z-index:50;background:rgba(0,0,0,.55);
backdrop-filter:blur(12px);border-bottom:1px solid rgba(255,255,255,.12)}
.uetsa-nav .uetsa-container{display:flex;align-items:center;gap:24px;height:66px}
.uetsa-logo{display:flex;align-items:center;gap:9px;font-size:19px;font-weight:800}
.uetsa-logo img{border-radius:8px}
.uetsa-navlinks{display:flex;gap:26px;margin-left:auto;color:#ea998d}
.uetsa-navlinks a:hover{color:#fe583e}
.uetsa-cta{background:linear-gradient(135deg,#fe583e,#f42201);color:#2a0600;
font-weight:800;padding:11px 22px;border-radius:10px;transition:.15s}
.uetsa-cta:hover{transform:translateY(-2px)}
.uetsa-hero{padding:84px 0;
background:radial-gradient(800px 420px at 78% 0%,#340700,transparent 60%)}
.uetsa-hero-in{display:grid;grid-template-columns:1.2fr .8fr;gap:40px;
align-items:center}
.uetsa-badge{display:inline-block;background:#250500;border:1px solid rgba(255,255,255,.12);
color:#fe583e;padding:6px 14px;border-radius:999px;font-size:13px;font-weight:700}
.uetsa-hero h1{font-size:clamp(30px,4.6vw,54px);line-height:1.18;margin:18px 0;
font-weight:900;letter-spacing:-.5px}
.uetsa-hero p{color:#ea998d;max-width:540px}
.uetsa-hero-dl{display:flex;gap:14px;margin-top:28px;flex-wrap:wrap}
.uetsa-hdl{background:linear-gradient(135deg,#fe583e,#f42201);color:#2a0600;
font-weight:800;padding:13px 24px;border-radius:10px;font-size:15.5px;
transition:.15s}
.uetsa-hdl:hover{transform:translateY(-2px)}
.uetsa-hero-logo{text-align:center}
.uetsa-strip .uetsa-container{display:grid;
grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.12);
border:1px solid rgba(255,255,255,.12);border-radius:16px;overflow:hidden;
margin-top:-20px}
.uetsa-strip div{background:#250500;padding:22px;text-align:center}
.uetsa-strip b{display:block;font-size:26px;color:#fe583e;font-weight:900}
.uetsa-strip span{font-size:13px;color:#ea998d}
.uetsa-sec{padding:84px 0}
.uetsa-alt{background:#250500}
.uetsa-h2{font-size:clamp(24px,3.4vw,34px);font-weight:900;margin-bottom:8px}
.uetsa-lead{color:#ea998d;margin-bottom:34px}
.uetsa-feats{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
margin-top:36px}
.uetsa-feat{display:flex;gap:16px;background:#340700;
border-left:3px solid #fe583e;border-radius:0 14px 14px 0;
padding:22px}
.uetsa-feat h3{font-size:18px;margin-bottom:5px}
.uetsa-feat p{color:#ea998d;font-size:14px}
.uetsa-nodes{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.uetsa-node{background:#340700;border:1px solid rgba(255,255,255,.12);padding:12px 18px;
border-radius:12px;font-weight:600}
.uetsa-node b{color:#fe583e}
.uetsa-steps{list-style:none;display:grid;grid-template-columns:repeat(3,1fr);
gap:18px;margin-top:36px}
.uetsa-steps li{background:#340700;border:1px solid rgba(255,255,255,.12);
border-radius:16px;padding:24px}
.uetsa-steps b{color:#fe583e;font-size:30px;font-weight:900}
.uetsa-steps h3{margin:8px 0 6px;font-size:17px}
.uetsa-steps p{color:#ea998d;font-size:14px}
.uetsa-dl{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:30px}
.uetsa-dlcard{background:#340700;border:1px solid rgba(255,255,255,.12);
border-radius:14px;padding:28px 16px;text-align:center;transition:.2s;
display:block}
.uetsa-dlcard:hover{transform:translateY(-4px);border-color:#fe583e}
.uetsa-dlcard h3{margin:8px 0 4px;font-size:18px}
.uetsa-dlmeta{color:#ea998d;font-size:13px}
.uetsa-faq details{background:#340700;border:1px solid rgba(255,255,255,.12);
border-radius:12px;padding:2px 20px;margin-bottom:12px}
.uetsa-faq summary{cursor:pointer;font-weight:700;padding:16px 0;list-style:none}
.uetsa-faq summary::-webkit-details-marker{display:none}
.uetsa-faq p{color:#ea998d;padding-bottom:16px}
.uetsa-quotes{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:34px}
.uetsa-quote{background:#340700;border:1px solid rgba(255,255,255,.12);
border-radius:14px;padding:22px;margin:0;font-size:14.5px}
.uetsa-quote span{display:block;margin-top:9px;font-size:12.5px;color:#ea998d}
.uetsa-flinks{background:#250500;border-top:1px solid rgba(255,255,255,.12);padding:34px 0}
.uetsa-flinks h2{font-size:15px;color:#ea998d;margin-bottom:14px;font-weight:600}
.uetsa-flinks-list{display:flex;flex-wrap:wrap;gap:10px 22px}
.uetsa-flinks-list a{color:#fe583e;font-size:14px}
.uetsa-flinks-list a:hover{text-decoration:underline}
.uetsa-ft{background:#130300;border-top:1px solid rgba(255,255,255,.12);padding:30px 0;
text-align:center}
.uetsa-ft-brand{display:flex;align-items:center;justify-content:center;gap:8px;
font-weight:800;margin-bottom:8px}
.uetsa-ft a{color:#ea998d;margin:0 9px;font-size:13.5px}
.uetsa-ft-copy{color:#ea998d;font-size:13px;margin-top:8px}
.uetsa-doc{padding:84px 0;max-width:70ch}
.uetsa-doc h1{font-size:32px;font-weight:900;margin-bottom:18px}
.uetsa-doc h2{font-size:18px;font-weight:800;margin:24px 0 6px}
.uetsa-doc p{color:#ea998d;margin-bottom:12px}
@media(max-width:900px){
.uetsa-hero-in{grid-template-columns:1fr}
.uetsa-hero-logo{display:none}
.uetsa-feats,.uetsa-steps,.uetsa-dl,.uetsa-quotes,
.uetsa-strip .uetsa-container{grid-template-columns:1fr 1fr}
.uetsa-navlinks{display:none}
}
@media(max-width:560px){
.uetsa-feats,.uetsa-steps,.uetsa-dl,.uetsa-quotes{grid-template-columns:1fr}
}