:root{
    --bg:#070a18;
    --bg-soft:#0e1530;
    --card:#101a3a;
    --card-2:#15113a;
    --line:rgba(125,224,255,.22);
    --text:#ecf7ff;
    --muted:#a9b7d8;
    --blue:#49d6ff;
    --cyan:#5cffef;
    --purple:#9a63ff;
    --pink:#ff6df2;
    --warning:#ffd36e;
    --radius:22px;
    --shadow:0 20px 80px rgba(43,123,255,.16);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",Arial,sans-serif;background:radial-gradient(circle at 10% -10%,rgba(72,127,255,.28),transparent 34%),radial-gradient(circle at 85% 5%,rgba(159,94,255,.24),transparent 33%),linear-gradient(180deg,#050613 0%,#0b1024 45%,#060814 100%);color:var(--text);line-height:1.7;min-height:100vh;overflow-x:hidden}
body:before{content:"";position:fixed;inset:0;pointer-events:none;background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);background-size:42px 42px;mask-image:linear-gradient(to bottom,rgba(0,0,0,.72),transparent 75%);z-index:-1}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;height:auto}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.skip-link{position:absolute;left:-999px;top:12px;background:#fff;color:#000;padding:10px 14px;border-radius:10px;z-index:99}.skip-link:focus{left:12px}
.site-header{position:sticky;top:0;z-index:50;background:rgba(5,8,20,.72);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.nav-wrap{height:76px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.brand{display:inline-flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.02em}.brand-mark{display:inline-grid;place-items:center;width:50px;height:50px;border-radius:16px;background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;box-shadow:0 0 30px rgba(73,214,255,.38);font-size:20px}.brand-text{font-size:16px;color:#eef8ff;white-space:nowrap}
.site-nav{display:flex;align-items:center;gap:6px}.site-nav a{padding:9px 12px;border-radius:999px;color:var(--muted);font-size:14px}.site-nav a:hover,.site-nav a[aria-current="page"]{color:#fff;background:rgba(92,255,239,.1);box-shadow:inset 0 0 0 1px rgba(92,255,239,.18)}
.menu-toggle{display:none;border:1px solid var(--line);background:rgba(255,255,255,.06);color:#fff;border-radius:12px;padding:9px 13px;font:inherit}
.hero{position:relative;padding:92px 0 72px}.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid rgba(92,255,239,.2);border-radius:999px;color:#bdfcff;background:rgba(92,255,239,.08);font-size:14px}.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 20px var(--cyan)}
h1{font-size:clamp(40px,7vw,76px);line-height:1.02;margin:20px 0 18px;letter-spacing:-.06em}.gradient-text{background:linear-gradient(90deg,#fff 10%,var(--cyan),var(--purple),#fff);-webkit-background-clip:text;background-clip:text;color:transparent}.lead{font-size:18px;color:#c7d7ff;max-width:780px}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:13px 18px;border-radius:999px;font-weight:700;border:1px solid transparent}.btn-primary{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;box-shadow:0 16px 40px rgba(86,107,255,.32)}.btn-secondary{border-color:var(--line);background:rgba(255,255,255,.06);color:#dff8ff}.btn:hover{transform:translateY(-1px)}
.hero-visual{position:relative}.hero-visual:before{content:"";position:absolute;inset:8%;background:linear-gradient(135deg,rgba(73,214,255,.22),rgba(154,99,255,.2));filter:blur(42px);border-radius:44px;z-index:-1}.hero-visual img{border-radius:28px;box-shadow:var(--shadow)}
.trust-row{display:grid;grid-template-columns:repeat(4,1fr);gap:14px;margin-top:34px}.trust-item{padding:15px;border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.045)}.trust-item strong{display:block;color:#fff;font-size:22px}.trust-item span{font-size:13px;color:var(--muted)}
.section{padding:72px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:30px;margin-bottom:28px}.section-kicker{color:var(--cyan);font-weight:800;letter-spacing:.08em}.section h2{font-size:clamp(28px,4vw,46px);line-height:1.15;margin:8px 0 0}.section-head p{max-width:560px;color:var(--muted);margin:0}.grid{display:grid;gap:18px}.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;overflow:hidden;border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(255,255,255,.07),rgba(255,255,255,.035));box-shadow:0 16px 50px rgba(0,0,0,.18)}.card:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 20% 0,rgba(73,214,255,.14),transparent 28%),radial-gradient(circle at 90% 20%,rgba(154,99,255,.12),transparent 30%);pointer-events:none}.card-body{position:relative;padding:24px}.card h3{margin:0 0 10px;font-size:21px}.card p{margin:0;color:var(--muted)}.card ul{margin:16px 0 0;padding:0;list-style:none}.card li{padding:7px 0;color:#cddaff;border-top:1px solid rgba(255,255,255,.07)}.card-media{position:relative;border-bottom:1px solid var(--line);background:#090d20}.metric{display:flex;align-items:center;justify-content:space-between;gap:14px;padding:12px 0;border-bottom:1px solid rgba(255,255,255,.07)}.metric:last-child{border-bottom:0}.metric span{color:var(--muted)}.metric b{color:#fff;font-size:20px}.pill-list{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}.pill{display:inline-flex;align-items:center;border:1px solid rgba(92,255,239,.2);background:rgba(92,255,239,.08);border-radius:999px;padding:8px 12px;color:#cafcff;font-size:14px}
.band{border:1px solid var(--line);border-radius:32px;background:linear-gradient(135deg,rgba(73,214,255,.12),rgba(154,99,255,.12));padding:34px;box-shadow:var(--shadow)}.band-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:24px;align-items:center}.band h2{margin-top:0}.band p{color:#d3defe}.domain-box{padding:18px;border-radius:18px;border:1px solid rgba(92,255,239,.24);background:rgba(0,0,0,.22);word-break:break-all;color:#fff;font-weight:800}
.timeline{display:grid;gap:16px}.step{display:grid;grid-template-columns:auto 1fr;gap:16px;align-items:start}.step-num{display:grid;place-items:center;width:42px;height:42px;border-radius:14px;background:linear-gradient(135deg,var(--cyan),var(--purple));font-weight:900}.step h3{margin:0}.step p{margin:4px 0 0;color:var(--muted)}
.video-card .play{position:absolute;inset:0;display:grid;place-items:center}.play span{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);backdrop-filter:blur(10px)}.play span:before{content:"";border-left:18px solid #fff;border-top:11px solid transparent;border-bottom:11px solid transparent;margin-left:4px}.note{color:#9fb0d4;font-size:14px}.faq{display:grid;gap:12px}.faq details{border:1px solid var(--line);border-radius:18px;background:rgba(255,255,255,.045);padding:16px}.faq summary{cursor:pointer;font-weight:800}.faq p{color:var(--muted);margin:10px 0 0}.form{display:grid;gap:14px}.form label{display:grid;gap:7px;color:#dcecff}.form input,.form textarea,.form select{width:100%;border:1px solid var(--line);border-radius:14px;background:rgba(255,255,255,.06);color:#fff;padding:12px 13px;font:inherit}.form textarea{min-height:132px;resize:vertical}.form input::placeholder,.form textarea::placeholder{color:#7f8cae}.form button{cursor:pointer}.notice{border:1px solid rgba(92,255,239,.24);background:rgba(92,255,239,.08);color:#ddfffb;border-radius:18px;padding:14px;margin-bottom:16px}
.site-footer{border-top:1px solid var(--line);background:rgba(3,5,14,.75);padding:44px 0 24px}.footer-grid{display:grid;grid-template-columns:1.2fr .8fr .8fr;gap:26px}.site-footer h2{font-size:16px;margin:0 0 10px}.site-footer p{color:var(--muted);margin:8px 0}.footer-bottom{border-top:1px solid rgba(255,255,255,.08);margin-top:26px;padding-top:18px;display:flex;justify-content:space-between;gap:18px;flex-wrap:wrap}.footer-brand{margin-bottom:8px}
@media (max-width:980px){.hero-grid,.band-grid,.grid-4,.grid-3{grid-template-columns:1fr 1fr}.hero-grid{gap:26px}.section-head{display:block}.section-head p{margin-top:12px}.footer-grid{grid-template-columns:1fr 1fr}.site-nav{position:absolute;top:76px;left:20px;right:20px;display:none;flex-direction:column;align-items:stretch;background:rgba(7,10,24,.96);border:1px solid var(--line);border-radius:20px;padding:12px}.site-nav.is-open{display:flex}.menu-toggle{display:block}.site-nav a{padding:12px 14px}}
@media (max-width:720px){.container{width:min(100% - 28px,1180px)}.hero{padding:58px 0 42px}.hero-grid,.grid-2,.grid-3,.grid-4,.trust-row,.band-grid,.footer-grid{grid-template-columns:1fr}.nav-wrap{height:68px}.site-nav{top:68px}.brand-mark{width:44px;height:44px}.brand-text{font-size:14px}.section{padding:50px 0}.card-body{padding:20px}.band{padding:22px;border-radius:24px}.footer-bottom{display:block}}