:root{
    --bg:#070b17;
    --panel:#0d1530;
    --panel-soft:#101b3d;
    --line:rgba(117,191,255,.22);
    --text:#edf6ff;
    --muted:#a9b9d6;
    --blue:#35c7ff;
    --cyan:#60fff2;
    --purple:#9b5cff;
    --pink:#ff5cf1;
    --shadow:0 22px 65px rgba(12,25,68,.42);
    --radius:24px;
}
*{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;
    color:var(--text);
    background:
        radial-gradient(circle at 15% 10%,rgba(53,199,255,.18),transparent 26rem),
        radial-gradient(circle at 78% 0%,rgba(155,92,255,.24),transparent 28rem),
        linear-gradient(180deg,#050711 0%,#071022 42%,#070b17 100%);
    line-height:1.7;
    min-height:100vh;
}
a{color:inherit;text-decoration:none}
img{max-width:100%;height:auto;display:block}
.site-header{
    position:sticky;
    top:0;
    z-index:50;
    background:rgba(5,10,24,.82);
    backdrop-filter:blur(18px);
    border-bottom:1px solid rgba(96,255,242,.12);
}
.nav-shell{
    width:min(1180px,92vw);
    margin:auto;
    display:flex;
    align-items:center;
    justify-content:space-between;
    min-height:74px;
    gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.4px}
.brand-mark{
    display:inline-grid;
    place-items:center;
    width:48px;
    height:48px;
    border-radius:16px;
    background:linear-gradient(135deg,var(--blue),var(--purple) 62%,var(--pink));
    box-shadow:0 0 30px rgba(53,199,255,.35);
    color:#050711;
    font-size:20px;
}
.brand-text{font-size:15px;color:#dff7ff;white-space:nowrap}
.main-nav{display:flex;align-items:center;gap:4px;flex-wrap:wrap;justify-content:flex-end}
.main-nav a{
    color:var(--muted);
    font-size:14px;
    padding:9px 12px;
    border-radius:999px;
    transition:.22s ease;
}
.main-nav a:hover,.main-nav a.active{color:#fff;background:rgba(53,199,255,.14);box-shadow:inset 0 0 0 1px rgba(53,199,255,.18)}
.nav-toggle{display:none;background:rgba(53,199,255,.12);color:#fff;border:1px solid var(--line);border-radius:12px;padding:8px 12px;font-size:22px}
main{overflow:hidden}
.section{padding:84px 0;position:relative}
.section.tight{padding:58px 0}
.container{width:min(1180px,92vw);margin:auto;position:relative;z-index:2}
.hero{
    padding:86px 0 76px;
    position:relative;
}
.hero:before{
    content:"";
    position:absolute;
    inset:0;
    background:
        linear-gradient(90deg,rgba(53,199,255,.08) 1px,transparent 1px),
        linear-gradient(rgba(155,92,255,.08) 1px,transparent 1px);
    background-size:54px 54px;
    mask-image:linear-gradient(180deg,#000,transparent 82%);
    opacity:.5;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.03fr) minmax(360px,.97fr);gap:50px;align-items:center}
.eyebrow{
    display:inline-flex;
    align-items:center;
    gap:9px;
    color:#d9fbff;
    background:rgba(53,199,255,.1);
    border:1px solid rgba(96,255,242,.18);
    padding:8px 14px;
    border-radius:999px;
    font-size:14px;
    margin-bottom:18px;
}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:99px;background:var(--cyan);box-shadow:0 0 18px var(--cyan)}
h1,h2,h3,p{margin-top:0}
h1{font-size:clamp(40px,6vw,78px);line-height:1.05;margin-bottom:24px;letter-spacing:-2.4px}
.hero h1 span,.gradient-text{background:linear-gradient(90deg,#fff,var(--cyan),#c8a6ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:18px;color:#c7d7f2;max-width:720px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.btn{display:inline-flex;align-items:center;justify-content:center;border-radius:999px;padding:13px 20px;border:1px solid rgba(96,255,242,.25);font-weight:700;transition:.22s ease;color:#fff}
.btn.primary{background:linear-gradient(135deg,var(--blue),var(--purple));box-shadow:0 12px 40px rgba(53,199,255,.24);border:0;color:#04101c}
.btn.ghost{background:rgba(255,255,255,.05)}
.btn:hover{transform:translateY(-2px)}
.hero-panel{position:relative;border-radius:34px;overflow:hidden;background:linear-gradient(180deg,rgba(16,27,61,.85),rgba(7,11,23,.95));border:1px solid rgba(96,255,242,.2);box-shadow:var(--shadow)}
.hero-panel img{width:100%;min-height:430px;object-fit:cover}
.float-badge{position:absolute;right:24px;bottom:24px;background:rgba(4,10,24,.78);border:1px solid rgba(96,255,242,.24);border-radius:18px;padding:14px 16px;backdrop-filter:blur(12px);color:#d9fbff}
.kpi-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}
.kpi{background:rgba(13,21,48,.72);border:1px solid var(--line);border-radius:20px;padding:18px;box-shadow:0 10px 34px rgba(0,0,0,.18)}
.kpi strong{display:block;font-size:28px;color:var(--cyan);line-height:1.15}
.kpi span{color:var(--muted);font-size:13px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;margin-bottom:34px}
.section-head h2{font-size:clamp(28px,4vw,48px);line-height:1.12;margin-bottom:0;letter-spacing:-1px}
.section-head p{max-width:570px;color:var(--muted);margin-bottom:0}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.card,.feature-card,.scenario-card,.video-card,.faq-item,.timeline-item,.contact-box{
    background:linear-gradient(180deg,rgba(16,27,61,.86),rgba(10,16,34,.9));
    border:1px solid var(--line);
    border-radius:var(--radius);
    padding:24px;
    box-shadow:0 14px 42px rgba(0,0,0,.2);
}
.card img,.feature-card img,.scenario-card img{border-radius:18px;border:1px solid rgba(96,255,242,.14);margin-bottom:18px;background:#050711}
.card h3,.feature-card h3,.scenario-card h3,.video-card h3,.faq-item h3,.timeline-item h3,.contact-box h3{font-size:21px;margin-bottom:10px;color:#fff}
.card p,.feature-card p,.scenario-card p,.video-card p,.faq-item p,.timeline-item p,.contact-box p{color:var(--muted);margin-bottom:0}
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{font-size:12px;color:#d9fbff;border:1px solid rgba(96,255,242,.2);background:rgba(96,255,242,.08);border-radius:999px;padding:6px 10px}
.split{display:grid;grid-template-columns:minmax(0,.92fr) minmax(360px,1.08fr);gap:42px;align-items:center}
.split.reverse{grid-template-columns:minmax(360px,1.08fr) minmax(0,.92fr)}
.split-media{border-radius:28px;overflow:hidden;border:1px solid rgba(96,255,242,.2);background:#071022;box-shadow:var(--shadow)}
.split-content h2{font-size:clamp(28px,4.5vw,52px);line-height:1.08;margin-bottom:18px}
.split-content p{color:var(--muted)}
.check-list{display:grid;gap:12px;margin-top:22px;padding:0;list-style:none}
.check-list li{position:relative;padding-left:28px;color:#cfe3ff}
.check-list li:before{content:"";position:absolute;left:0;top:.55em;width:12px;height:12px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--purple));box-shadow:0 0 14px rgba(96,255,242,.4)}
.band{position:relative;isolation:isolate;background:linear-gradient(135deg,rgba(53,199,255,.12),rgba(155,92,255,.17));border-top:1px solid rgba(96,255,242,.12);border-bottom:1px solid rgba(96,255,242,.12)}
.band:before{content:"";position:absolute;inset:0;background:radial-gradient(circle at 50% 0%,rgba(96,255,242,.18),transparent 30rem);z-index:-1}
.matrix{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.matrix-item{border:1px solid var(--line);border-radius:20px;padding:20px;background:rgba(5,10,24,.45)}
.matrix-item strong{display:block;color:var(--cyan);font-size:22px;margin-bottom:8px}
.matrix-item span{color:var(--muted);font-size:14px}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.video-cover{position:relative;border-radius:18px;overflow:hidden;border:1px solid rgba(96,255,242,.16);margin-bottom:16px}
.play-dot{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);width:56px;height:56px;border-radius:50%;display:grid;place-items:center;background:rgba(96,255,242,.16);border:1px solid rgba(96,255,242,.48);backdrop-filter:blur(10px)}
.play-dot:before{content:"";border-left:14px solid #fff;border-top:9px solid transparent;border-bottom:9px solid transparent;margin-left:4px}
.timeline{display:grid;gap:18px}
.timeline-item{display:grid;grid-template-columns:160px 1fr;gap:20px;align-items:start}
.timeline-item time{color:var(--cyan);font-weight:800}
.faq{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.page-hero{padding:74px 0 54px;background:linear-gradient(180deg,rgba(53,199,255,.06),transparent)}
.page-hero h1{font-size:clamp(38px,5vw,64px);max-width:900px}
.breadcrumb{color:var(--muted);font-size:14px;margin-bottom:14px}
.breadcrumb a{color:#d9fbff}
.wide-card{display:grid;grid-template-columns:1fr 1fr;gap:26px;align-items:center;background:linear-gradient(135deg,rgba(16,27,61,.88),rgba(8,13,30,.92));border:1px solid var(--line);border-radius:30px;padding:28px;box-shadow:var(--shadow)}
.wide-card img{border-radius:22px;border:1px solid rgba(96,255,242,.16)}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.pill{padding:8px 12px;border-radius:999px;background:rgba(53,199,255,.1);border:1px solid rgba(53,199,255,.2);color:#d9fbff;font-size:13px}
.contact-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:22px;align-items:start}
.contact-form{display:grid;gap:14px}
.contact-form label{display:grid;gap:7px;color:#dcefff;font-weight:700}
.contact-form input,.contact-form textarea,.contact-form select{
    width:100%;
    border:1px solid rgba(96,255,242,.18);
    background:rgba(5,10,24,.68);
    color:#fff;
    border-radius:14px;
    padding:12px 14px;
    font:inherit;
}
.contact-form textarea{min-height:132px;resize:vertical}
.form-note{font-size:13px;color:var(--muted)}
.notice{border-left:3px solid var(--cyan);padding:14px 16px;background:rgba(96,255,242,.07);border-radius:14px;color:#cfe3ff}
.site-footer{border-top:1px solid rgba(96,255,242,.12);background:rgba(3,7,17,.94);padding:54px 0 24px}
.footer-grid{width:min(1180px,92vw);margin:auto;display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:26px}
.footer-grid h2{font-size:18px;color:#fff;margin-bottom:10px}.footer-grid p{color:var(--muted);font-size:14px;margin-bottom:8px}
.footer-bottom{width:min(1180px,92vw);margin:28px auto 0;padding-top:20px;border-top:1px solid rgba(96,255,242,.1);display:flex;justify-content:space-between;gap:16px;color:#8ea3c2;font-size:13px}
.glow-orb{position:absolute;border-radius:50%;filter:blur(24px);opacity:.35;pointer-events:none}.orb-a{width:220px;height:220px;background:var(--blue);right:8%;top:16%}.orb-b{width:260px;height:260px;background:var(--purple);left:5%;bottom:8%}
@media (max-width:980px){
    .nav-toggle{display:inline-flex}.main-nav{position:absolute;left:4vw;right:4vw;top:74px;display:none;flex-direction:column;align-items:stretch;background:rgba(5,10,24,.96);border:1px solid rgba(96,255,242,.18);border-radius:20px;padding:12px}.main-nav.open{display:flex}.main-nav a{padding:12px 14px}.hero-grid,.split,.split.reverse,.wide-card,.contact-grid{grid-template-columns:1fr}.hero-panel img{min-height:auto}.kpi-row,.matrix{grid-template-columns:repeat(2,1fr)}.card-grid,.video-grid,.faq,.footer-grid{grid-template-columns:1fr 1fr}.timeline-item{grid-template-columns:1fr}.section-head{display:block}.section-head p{margin-top:12px}
}
@media (max-width:640px){
    .brand-text{display:none}.section{padding:62px 0}.hero{padding:58px 0}.kpi-row,.matrix,.card-grid,.video-grid,.faq,.footer-grid{grid-template-columns:1fr}.footer-bottom{display:block}.hero-actions{display:grid}.btn{width:100%}h1{letter-spacing:-1.2px}.card,.feature-card,.scenario-card,.video-card,.faq-item,.timeline-item,.contact-box{padding:20px}.wide-card{padding:20px}
}