:root{color-scheme:dark;font-family:Inter,"Segoe UI","Microsoft YaHei",sans-serif;background:#10151f;color:#f0f2f8;font-synthesis:none}
*{box-sizing:border-box}
body{margin:0;min-height:100vh;background:radial-gradient(ellipse at 85% 35%,#34325650,transparent 52%),#10151f}
main{max-width:1100px;padding:38px 56px 26px;margin:0 auto}
header{display:flex;justify-content:space-between;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:12px;color:inherit;text-decoration:none;font-size:18px;font-weight:650;letter-spacing:.2px}
.mark{display:grid;place-items:center;width:34px;height:34px;border-radius:10px;background:#c7c0ff;color:#17152b;font-weight:800;font-size:25px}
.badge{display:flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid #333b47;border-radius:30px;color:#b9c2cf;font-size:12px;white-space:nowrap}
.badge i{width:6px;height:6px;background:#8bddb0;border-radius:50%}
.intro{padding:108px 0 70px}
.eyebrow{font-size:11px;letter-spacing:3px;color:#bbb4e9;font-weight:600;margin:0 0 25px}
h1{margin:0;font-size:clamp(36px,5vw,58px);line-height:1.25;letter-spacing:-1.5px;font-weight:650}
h1 span{display:block;color:#858d9d;margin-top:8px}
.description{color:#a9b2c2;line-height:1.9;font-size:15px;margin:27px 0 30px}
button{font:inherit;font-size:14px;display:flex;align-items:center;gap:35px;border:0;border-radius:10px;background:#c7c0ff;color:#201b37;padding:14px 19px;cursor:pointer;font-weight:650;transition:background .15s,transform .15s}
button:hover{background:#d7d2ff;transform:translateY(-1px)}
button:focus-visible,a:focus-visible{outline:3px solid #8bddb0;outline-offset:5px}
button span{font-size:20px;line-height:1}
.result{color:#858d9d;font-size:12px;min-height:20px;margin:16px 0 0;line-height:1.6}
.result.success{color:#8bddb0}
.details{display:grid;grid-template-columns:repeat(3,1fr);border:1px solid #303745;border-radius:14px;background:#161c27b3;padding:25px 0}
.details div{padding:0 27px}
.details div+div{border-left:1px solid #303745}
.details p{font-size:12px;color:#858d9d;margin:0 0 10px}
.details strong{font-size:14px;font-weight:500;color:#d6dce8}
footer{display:flex;justify-content:space-between;border-top:1px solid #252d3b;margin-top:65px;padding-top:22px;font-size:11px;color:#717b8e}
@media(max-width:600px){main{padding:25px 24px}header{gap:10px}.brand{font-size:16px}.intro{padding:76px 0 45px}h1{letter-spacing:-1px}.description{font-size:14px}.details{grid-template-columns:1fr;padding:0 22px}.details div{padding:20px 0}.details div+div{border-left:0;border-top:1px solid #303745}footer{margin-top:40px}.badge{padding:7px 9px;font-size:11px}}
@media(prefers-reduced-motion:reduce){button{transition:none}button:hover{transform:none}}