:root{
    --bg:#050814;
    --panel:#0c1226;
    --panel-2:#111936;
    --text:#eff6ff;
    --muted:#a9b8d8;
    --soft:#6e7fa7;
    --line:rgba(121,180,255,.18);
    --blue:#39b7ff;
    --cyan:#36f5d2;
    --purple:#9b5cff;
    --pink:#ff5fd4;
    --radius:24px;
    --shadow:0 24px 80px rgba(0,0,0,.34);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    color:var(--text);
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",Arial,sans-serif;
    background:
        radial-gradient(circle at 16% 4%, rgba(57,183,255,.24), transparent 30%),
        radial-gradient(circle at 84% 10%, rgba(155,92,255,.25), transparent 34%),
        linear-gradient(180deg,#050814 0%,#070b18 48%,#050814 100%);
    min-height:100vh;
    line-height:1.72;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
main{overflow:hidden}
.site-header{
    position:sticky;
    top:0;
    z-index:50;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:22px;
    padding:16px clamp(18px,4vw,56px);
    border-bottom:1px solid var(--line);
    backdrop-filter:blur(18px);
    background:rgba(5,8,20,.76);
}
.brand,.footer-brand{display:inline-flex;align-items:center;gap:10px;font-weight:900;letter-spacing:.02em}
.brand-mark{
    display:grid;place-items:center;
    width:42px;height:42px;border-radius:16px;
    color:#02111f;
    background:linear-gradient(135deg,var(--cyan),var(--blue) 48%,var(--purple));
    box-shadow:0 0 24px rgba(54,245,210,.32);
}
.brand-text{font-size:20px}
.site-nav{display:flex;gap:6px;align-items:center;flex-wrap:wrap;justify-content:flex-end}
.site-nav a{
    padding:9px 13px;
    color:var(--muted);
    border-radius:999px;
    transition:.25s ease;
    font-size:14px;
}
.site-nav a:hover,.site-nav a.active{color:var(--text);background:rgba(57,183,255,.14);box-shadow:inset 0 0 0 1px rgba(57,183,255,.18)}
.nav-toggle{display:none;border:1px solid var(--line);background:rgba(255,255,255,.05);color:var(--text);border-radius:999px;padding:9px 14px}
.section,.hero{padding:clamp(58px,8vw,110px) clamp(18px,5vw,72px)}
.hero{position:relative;display:grid;grid-template-columns:minmax(0,1.02fr) minmax(320px,.98fr);gap:44px;align-items:center;min-height:calc(100vh - 74px)}
.hero:before,.section:before{content:"";position:absolute;pointer-events:none}
.hero:before{inset:10% auto auto 50%;width:42vw;height:42vw;border-radius:50%;background:radial-gradient(circle,rgba(57,183,255,.16),transparent 64%);filter:blur(12px)}
.hero-content,.hero-visual,.section-inner{position:relative;z-index:1}
.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 13px;border-radius:999px;background:rgba(54,245,210,.08);color:#bffdf2;border:1px solid rgba(54,245,210,.18);font-size:14px}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan)}
h1,.h1{font-size:clamp(42px,7vw,78px);line-height:1.05;margin:18px 0 22px;letter-spacing:-.05em}
h2{font-size:clamp(28px,4.2vw,48px);line-height:1.12;margin:0 0 18px;letter-spacing:-.035em}
h3{font-size:21px;margin:0 0 12px}
p{color:var(--muted);margin:0 0 18px}.lead{font-size:clamp(17px,2.1vw,22px);max-width:780px}.compact{max-width:680px}
.gradient-text{background:linear-gradient(120deg,#fff,var(--cyan),var(--blue),var(--purple));-webkit-background-clip:text;background-clip:text;color:transparent}
.actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;padding:13px 20px;font-weight:800;border:1px solid var(--line);transition:.25s ease}.btn-primary{background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 16px 44px rgba(57,183,255,.18);border-color:transparent}.btn-secondary{background:rgba(255,255,255,.06);color:var(--text)}.btn:hover{transform:translateY(-2px)}
.hero-visual{padding:18px;border:1px solid var(--line);border-radius:32px;background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.02));box-shadow:var(--shadow)}
.hero-visual img{border-radius:22px}.signal-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:20px}.signal{padding:9px 12px;border-radius:999px;background:rgba(255,255,255,.06);border:1px solid var(--line);color:#cde6ff;font-size:13px}
.metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:30px}.metric{padding:18px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.05)}.metric strong{display:block;font-size:28px;color:#fff}.metric span{color:var(--soft);font-size:13px}
.section{position:relative}.section.alt{background:linear-gradient(180deg,rgba(17,25,54,.52),rgba(5,8,20,0))}.section-inner{max-width:1180px;margin:0 auto}.section-head{display:flex;align-items:end;justify-content:space-between;gap:28px;margin-bottom:32px}.section-head p{max-width:620px}
.grid{display:grid;gap:20px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{position:relative;border:1px solid var(--line);border-radius:var(--radius);padding:24px;background:linear-gradient(180deg,rgba(255,255,255,.075),rgba(255,255,255,.028));box-shadow:0 20px 54px rgba(0,0,0,.18);overflow:hidden}.card:after{content:"";position:absolute;inset:auto -20% -40% 45%;height:170px;background:radial-gradient(circle,rgba(57,183,255,.15),transparent 62%);pointer-events:none}.card img{border-radius:18px;margin-bottom:18px;border:1px solid rgba(255,255,255,.08)}.card p:last-child{margin-bottom:0}.card .tag{display:inline-flex;margin-bottom:14px;padding:6px 10px;border-radius:999px;background:rgba(155,92,255,.13);color:#dccbff;font-size:13px}.card ul{margin:12px 0 0;padding-left:18px;color:var(--muted)}.card li{margin:8px 0}
.feature-line{display:grid;grid-template-columns:160px 1fr;gap:18px;padding:18px 0;border-bottom:1px solid var(--line)}.feature-line:last-child{border-bottom:0}.feature-line strong{color:#fff}.pill-cloud{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}.pill{border:1px solid var(--line);border-radius:999px;padding:8px 12px;background:rgba(255,255,255,.05);color:#d8e7ff;font-size:14px}
.panel{border:1px solid var(--line);border-radius:30px;padding:28px;background:linear-gradient(135deg,rgba(54,245,210,.08),rgba(155,92,255,.08));box-shadow:var(--shadow)}
.timeline{counter-reset:step;display:grid;gap:16px}.timeline-item{display:grid;grid-template-columns:48px 1fr;gap:16px;align-items:start}.timeline-item:before{counter-increment:step;content:counter(step);display:grid;place-items:center;width:42px;height:42px;border-radius:15px;background:rgba(57,183,255,.16);border:1px solid rgba(57,183,255,.3);color:#dff6ff;font-weight:900}.timeline-item div{padding-bottom:16px;border-bottom:1px solid var(--line)}
.video-card{padding:0;overflow:hidden}.video-card .thumb{position:relative}.video-card .thumb:after{content:"▶";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);display:grid;place-items:center;width:58px;height:58px;border-radius:50%;background:rgba(5,8,20,.7);border:1px solid rgba(255,255,255,.25);box-shadow:0 0 28px rgba(57,183,255,.45)}.video-card img{margin:0;border-radius:0;border:0}.video-card .video-body{padding:22px}.label-row{display:flex;gap:8px;flex-wrap:wrap}.mini-label{font-size:12px;color:#bfe8ff;border:1px solid rgba(57,183,255,.2);background:rgba(57,183,255,.08);border-radius:999px;padding:4px 8px}
.faq details{border:1px solid var(--line);border-radius:18px;padding:18px 20px;background:rgba(255,255,255,.045)}.faq details+details{margin-top:12px}.faq summary{cursor:pointer;font-weight:800;color:#fff}.faq p{margin:12px 0 0}.contact-box{display:grid;grid-template-columns:1fr 1fr;gap:22px}.contact-item{border:1px solid var(--line);background:rgba(255,255,255,.05);border-radius:22px;padding:22px}.domain-display{display:inline-flex;max-width:100%;word-break:break-all;color:#bffdf2;background:rgba(54,245,210,.08);border:1px solid rgba(54,245,210,.18);padding:8px 11px;border-radius:12px}
.site-footer{padding:46px clamp(18px,5vw,72px);border-top:1px solid var(--line);background:rgba(3,6,16,.86)}.footer-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:2fr 1fr 1.3fr;gap:30px}.footer-grid a{display:block;color:var(--muted);margin:8px 0}.footer-brand{font-size:22px;color:#fff}.compliance-note{font-size:13px;color:#8191b5}
.reveal{opacity:0;transform:translateY(20px);transition:opacity .6s ease, transform .6s ease}.reveal.visible{opacity:1;transform:none}
@media (max-width:980px){.hero{grid-template-columns:1fr;min-height:auto}.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3{grid-template-columns:repeat(2,1fr)}.section-head{display:block}.metrics{grid-template-columns:1fr}.contact-box,.footer-grid{grid-template-columns:1fr}}
@media (max-width:740px){.site-header{align-items:flex-start}.nav-toggle{display:inline-flex}.site-nav{display:none;position:absolute;left:18px;right:18px;top:72px;flex-direction:column;align-items:stretch;background:rgba(5,8,20,.96);border:1px solid var(--line);border-radius:20px;padding:12px}.site-nav.open{display:flex}.site-nav a{padding:12px 14px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.feature-line{grid-template-columns:1fr}.hero,.section{padding-left:18px;padding-right:18px}.metrics{gap:10px}.card{padding:20px}.footer-grid{gap:16px}}