:root{
    --bg:#050814;
    --bg-soft:#0b1025;
    --card:#101832;
    --card-2:#111b3d;
    --line:rgba(111,197,255,.22);
    --text:#f5f8ff;
    --muted:#a8b6d8;
    --blue:#40c8ff;
    --cyan:#4fffe6;
    --purple:#9a5cff;
    --pink:#ff5de4;
    --shadow:0 24px 60px rgba(0,0,0,.35);
    --radius:26px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
    margin:0;
    color:var(--text);
    background:
        radial-gradient(circle at 12% 6%, rgba(64,200,255,.20), transparent 30rem),
        radial-gradient(circle at 84% 10%, rgba(154,92,255,.18), transparent 28rem),
        linear-gradient(180deg,#050814 0%,#080c1c 45%,#050814 100%);
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;
    line-height:1.7;
    overflow-x:hidden;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.container{width:min(1180px,calc(100% - 40px));margin-inline:auto}
.skip-link{position:absolute;left:-999px;top:auto;width:1px;height:1px;overflow:hidden}
.skip-link:focus{left:20px;top:20px;width:auto;height:auto;z-index:999;padding:10px 14px;background:#fff;color:#111;border-radius:12px}
.site-header{position:sticky;top:0;z-index:60;background:rgba(5,8,20,.76);backdrop-filter:blur(20px);border-bottom:1px solid var(--line)}
.nav-wrap{height:74px;display:flex;align-items:center;gap:22px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:.08em}
.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 0 28px rgba(64,200,255,.45);color:#fff;font-weight:900}
.brand-text{font-size:20px}
.primary-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.primary-nav a{padding:9px 12px;border-radius:999px;color:var(--muted);font-size:14px;transition:.2s ease}
.primary-nav a:hover,.primary-nav a.active{color:#fff;background:rgba(64,200,255,.12)}
.nav-cta,.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border:1px solid rgba(79,255,230,.45);border-radius:999px;background:linear-gradient(135deg,rgba(64,200,255,.20),rgba(154,92,255,.24));color:#fff;padding:12px 18px;font-weight:700;box-shadow:0 12px 34px rgba(64,200,255,.16);transition:.2s ease}
.nav-cta:hover,.btn:hover{transform:translateY(-2px);box-shadow:0 18px 44px rgba(64,200,255,.22)}
.btn.secondary{border-color:rgba(255,255,255,.18);background:rgba(255,255,255,.06);box-shadow:none;color:#dfe8ff}
.nav-toggle{display:none;margin-left:auto;border:1px solid var(--line);background:rgba(255,255,255,.05);color:#fff;border-radius:12px;padding:10px 12px}
.hero{position:relative;padding:92px 0 72px;overflow:hidden}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(90deg,rgba(79,255,230,.08),transparent 32%,rgba(154,92,255,.09));mask-image:linear-gradient(to bottom,#000,transparent);pointer-events:none}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.05fr) minmax(360px,.95fr);gap:48px;align-items:center}
.eyebrow{display:inline-flex;align-items:center;gap:9px;color:var(--cyan);font-weight:700;letter-spacing:.08em;text-transform:uppercase;font-size:13px;background:rgba(79,255,230,.08);border:1px solid rgba(79,255,230,.24);border-radius:999px;padding:8px 12px}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:99px;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}
h1,.h1{font-size:clamp(40px,6vw,76px);line-height:1.04;margin:20px 0 22px;letter-spacing:-.05em}
h2{font-size:clamp(28px,4vw,46px);line-height:1.16;margin:0 0 16px;letter-spacing:-.03em}
h3{font-size:21px;line-height:1.3;margin:0 0 10px}
p{margin:0 0 16px;color:var(--muted)}
.lead{font-size:18px;color:#d7e4ff;max-width:760px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.hero-panel{border:1px solid var(--line);border-radius:34px;background:linear-gradient(160deg,rgba(16,24,50,.95),rgba(6,10,27,.72));padding:22px;box-shadow:var(--shadow);position:relative;overflow:hidden}
.hero-panel::after{content:"";position:absolute;right:-80px;top:-80px;width:220px;height:220px;background:radial-gradient(circle,rgba(79,255,230,.24),transparent 60%);pointer-events:none}
.hero-panel img{border-radius:24px;border:1px solid rgba(255,255,255,.08);background:#060916}
.stats-strip{display:grid;grid-template-columns:repeat(3,1fr);gap:14px;margin-top:18px}
.stat{border:1px solid rgba(255,255,255,.10);border-radius:20px;padding:14px;background:rgba(255,255,255,.05)}
.stat strong{display:block;color:#fff;font-size:24px;line-height:1.1}
.stat span{font-size:13px;color:var(--muted)}
.section{padding:74px 0}
.section.compact{padding:48px 0}
.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:32px}
.section-head p{max-width:680px}
.grid{display:grid;gap:22px}
.grid.cols-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid.cols-3{grid-template-columns:repeat(3,minmax(0,1fr))}
.grid.cols-4{grid-template-columns:repeat(4,minmax(0,1fr))}
.card{border:1px solid var(--line);border-radius:var(--radius);background:linear-gradient(180deg,rgba(17,27,61,.86),rgba(10,16,37,.86));padding:24px;box-shadow:0 18px 45px rgba(0,0,0,.22);position:relative;overflow:hidden}
.card::before{content:"";position:absolute;inset:0;background:linear-gradient(135deg,rgba(64,200,255,.08),transparent 42%,rgba(154,92,255,.09));opacity:.85;pointer-events:none}
.card>*{position:relative}
.card img{margin-bottom:18px;border-radius:18px;border:1px solid rgba(255,255,255,.08);background:#071020}
.icon-chip{width:46px;height:46px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(64,200,255,.18),rgba(154,92,255,.22));border:1px solid rgba(79,255,230,.26);color:var(--cyan);font-weight:900;margin-bottom:16px}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag-list span{border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.05);color:#dce8ff;border-radius:999px;padding:7px 11px;font-size:13px}
.flow-panel{border:1px solid var(--line);border-radius:34px;padding:28px;background:rgba(255,255,255,.045);box-shadow:var(--shadow)}
.flow-steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px;counter-reset:step}
.flow-step{counter-increment:step;border-radius:22px;background:rgba(8,14,32,.72);border:1px solid rgba(255,255,255,.10);padding:20px;min-height:172px}
.flow-step::before{content:"0" counter(step);display:inline-grid;place-items:center;width:36px;height:36px;border-radius:12px;background:rgba(64,200,255,.14);color:var(--cyan);font-weight:900;margin-bottom:14px}
.matrix{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:stretch}
.big-card{min-height:420px;display:flex;flex-direction:column;justify-content:flex-end;background:linear-gradient(160deg,rgba(16,24,50,.86),rgba(15,10,40,.86)),radial-gradient(circle at 70% 10%,rgba(79,255,230,.18),transparent 30%)}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:14px;margin-top:18px}
.metric{border:1px solid rgba(255,255,255,.10);border-radius:18px;background:rgba(255,255,255,.055);padding:16px}
.metric b{display:block;font-size:28px;color:#fff}
.metric small{color:var(--muted)}
.video-card{display:flex;flex-direction:column;gap:14px}
.video-thumb{position:relative;border-radius:22px;overflow:hidden;border:1px solid rgba(255,255,255,.10);background:#071020}
.play-dot{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:58px;height:58px;border-radius:50%;display:grid;place-items:center;background:rgba(255,255,255,.16);backdrop-filter:blur(10px);border:1px solid rgba(255,255,255,.28)}
.play-dot::after{content:"";border-left:15px solid white;border-top:10px solid transparent;border-bottom:10px solid transparent;margin-left:4px}
.filter-bar{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.filter-btn{border:1px solid var(--line);background:rgba(255,255,255,.05);color:#dce8ff;border-radius:999px;padding:10px 14px;cursor:pointer}
.filter-btn.active{background:linear-gradient(135deg,rgba(64,200,255,.22),rgba(154,92,255,.24));color:#fff}
.kv-list{display:grid;gap:14px}
.kv{display:grid;grid-template-columns:170px 1fr;gap:16px;border-bottom:1px solid rgba(255,255,255,.10);padding:14px 0}
.kv strong{color:#fff}
.banner{border:1px solid var(--line);border-radius:34px;padding:40px;background:linear-gradient(135deg,rgba(64,200,255,.12),rgba(154,92,255,.12));display:grid;grid-template-columns:1fr auto;gap:24px;align-items:center;box-shadow:var(--shadow)}
.faq-item{border:1px solid rgba(255,255,255,.12);border-radius:22px;background:rgba(255,255,255,.045);overflow:hidden}
.faq-question{width:100%;border:0;background:transparent;color:#fff;text-align:left;font-size:17px;font-weight:800;padding:20px 22px;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px}
.faq-answer{display:none;padding:0 22px 20px}
.faq-item.open .faq-answer{display:block}
.form-panel{border:1px solid var(--line);border-radius:30px;background:linear-gradient(180deg,rgba(17,27,61,.9),rgba(10,16,37,.88));padding:28px}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field.full{grid-column:1/-1}
label{color:#e8f0ff;font-weight:700}
input,select,textarea{width:100%;border:1px solid rgba(255,255,255,.14);border-radius:16px;background:rgba(255,255,255,.06);color:#fff;padding:13px 14px;font:inherit;outline:none}
textarea{min-height:140px;resize:vertical}
input:focus,select:focus,textarea:focus{border-color:rgba(79,255,230,.55);box-shadow:0 0 0 4px rgba(79,255,230,.08)}
.note{font-size:13px;color:#8ea1ce}
.site-footer{padding:58px 0 26px;border-top:1px solid var(--line);background:rgba(3,6,15,.78)}
.footer-grid{display:grid;grid-template-columns:1.35fr .7fr .7fr .9fr;gap:30px}
.site-footer h2{font-size:17px;margin:0 0 14px;letter-spacing:0}
.site-footer a{display:block;color:var(--muted);margin:8px 0}
.site-footer a:hover{color:#fff}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;align-items:center;border-top:1px solid rgba(255,255,255,.10);padding-top:22px;margin-top:26px}
.footer-bottom p{margin:0}
.reveal{opacity:0;transform:translateY(18px);transition:.55s ease}
.reveal.in-view{opacity:1;transform:none}
@media (max-width:980px){
    .nav-toggle{display:inline-flex}
    .primary-nav{position:absolute;left:20px;right:20px;top:74px;display:none;flex-direction:column;align-items:stretch;background:rgba(7,11,25,.96);border:1px solid var(--line);border-radius:22px;padding:12px;box-shadow:var(--shadow)}
    .primary-nav.open{display:flex}
    .primary-nav a{padding:12px 14px}
    .nav-cta{display:none}
    .hero-grid,.matrix,.banner{grid-template-columns:1fr}
    .hero{padding-top:70px}
    .grid.cols-4{grid-template-columns:repeat(2,minmax(0,1fr))}
    .grid.cols-3{grid-template-columns:repeat(2,minmax(0,1fr))}
    .flow-steps{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:640px){
    .container{width:min(100% - 28px,1180px)}
    .nav-wrap{height:68px}
    .primary-nav{top:68px}
    h1,.h1{font-size:38px}
    .section{padding:54px 0}
    .section-head{display:block}
    .grid.cols-2,.grid.cols-3,.grid.cols-4,.flow-steps,.stats-strip,.metric-grid,.form-grid{grid-template-columns:1fr}
    .kv{grid-template-columns:1fr;gap:4px}
    .footer-grid{grid-template-columns:1fr}
    .footer-bottom{display:block}
    .hero-actions{flex-direction:column;align-items:stretch}
    .btn{width:100%}
}