:root{
    --bg:#070914;
    --panel:#11182c;
    --panel-soft:#151f37;
    --text:#f4f7ff;
    --muted:#9ba9c8;
    --line:rgba(123, 228, 255, .18);
    --cyan:#55e8ff;
    --blue:#3c7cff;
    --purple:#9b5cff;
    --rose:#ff5f9e;
    --shadow:0 24px 80px rgba(0,0,0,.32);
    --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;background:radial-gradient(circle at 15% 0%,rgba(86,92,255,.3),transparent 34%),radial-gradient(circle at 84% 14%,rgba(85,232,255,.18),transparent 30%),var(--bg);color:var(--text);line-height:1.72;overflow-x:hidden}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
.container{width:min(1180px,calc(100% - 40px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:50;background:rgba(7,9,20,.78);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}
.header-glow{position:absolute;inset:0;background:linear-gradient(90deg,rgba(85,232,255,.08),rgba(155,92,255,.08),rgba(255,95,158,.04));pointer-events:none}
.header-inner{height:76px;display:flex;align-items:center;justify-content:space-between;position:relative}
.brand{display:flex;align-items:center;gap:12px;font-weight:800;letter-spacing:.04em}
.brand-mark{width:42px;height:42px;border-radius:14px;display:grid;place-items:center;background:linear-gradient(135deg,var(--rose),var(--purple) 52%,var(--cyan));box-shadow:0 0 34px rgba(85,232,255,.35);color:white}
.brand-text{font-size:20px}
.site-nav{display:flex;align-items:center;gap:6px}
.site-nav a{padding:9px 13px;border-radius:999px;color:#cfdbff;font-size:15px;transition:.2s ease}
.site-nav a:hover,.site-nav a.active{background:rgba(85,232,255,.12);color:white;box-shadow:inset 0 0 0 1px rgba(85,232,255,.22)}
.nav-toggle{display:none;background:transparent;border:0;width:42px;height:42px;align-items:center;justify-content:center;gap:5px;flex-direction:column}
.nav-toggle span{width:22px;height:2px;background:#e8eeff;border-radius:2px}
.hero{position:relative;padding:92px 0 72px;overflow:hidden}
.hero:before{content:"";position:absolute;inset:auto -10% -22% -10%;height:260px;background:linear-gradient(90deg,transparent,rgba(85,232,255,.16),rgba(155,92,255,.16),transparent);filter:blur(28px);transform:rotate(-2deg)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.02fr) minmax(360px,.98fr);gap:46px;align-items:center;position:relative}
.eyebrow{display:inline-flex;align-items:center;gap:8px;color:#b6f5ff;background:rgba(85,232,255,.1);border:1px solid rgba(85,232,255,.22);padding:7px 12px;border-radius:999px;font-size:14px}
.eyebrow:before{content:"";width:8px;height:8px;border-radius:50%;background:var(--cyan);box-shadow:0 0 16px var(--cyan)}
h1{font-size:clamp(40px,6vw,72px);line-height:1.08;margin:22px 0 18px;letter-spacing:-.04em}
.hero h1 span,.gradient-text{background:linear-gradient(90deg,#fff,var(--cyan),#ceb8ff);-webkit-background-clip:text;background-clip:text;color:transparent}
.lead{font-size:18px;color:#c7d3ef;margin:0 0 28px;max-width:760px}
.hero-actions,.section-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.btn{display:inline-flex;align-items:center;justify-content:center;min-height:48px;padding:0 20px;border-radius:999px;border:1px solid rgba(255,255,255,.14);font-weight:700;transition:.2s ease;cursor:pointer}
.btn.primary{background:linear-gradient(135deg,var(--blue),var(--purple));color:#fff;box-shadow:0 16px 44px rgba(60,124,255,.28)}
.btn.secondary{background:rgba(255,255,255,.06);color:#eaf1ff}
.btn:hover{transform:translateY(-2px)}
.hero-card{position:relative;background:linear-gradient(180deg,rgba(18,28,52,.88),rgba(10,14,30,.9));border:1px solid var(--line);border-radius:34px;padding:18px;box-shadow:var(--shadow);overflow:hidden}
.hero-card:before{content:"";position:absolute;inset:-70px -80px auto auto;width:220px;height:220px;border-radius:50%;background:rgba(85,232,255,.16);filter:blur(22px)}
.hero-card img{border-radius:26px;border:1px solid rgba(255,255,255,.08);background:#0a1024}
.pill-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.pill{border:1px solid rgba(85,232,255,.2);background:rgba(85,232,255,.08);color:#dffbff;border-radius:999px;padding:7px 12px;font-size:13px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:34px}
.stat{padding:18px;border-radius:20px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.1)}
.stat strong{display:block;font-size:26px;color:#fff}.stat span{color:var(--muted);font-size:14px}
.section{padding:78px 0;position:relative}
.section-header{max-width:840px;margin-bottom:34px}.section-header.center{text-align:center;margin-left:auto;margin-right:auto}
.section-kicker{color:var(--cyan);font-weight:800;letter-spacing:.08em;margin-bottom:8px}
h2{font-size:clamp(30px,4vw,48px);line-height:1.16;margin:0 0 14px;letter-spacing:-.03em}
h3{line-height:1.28;margin:0 0 10px}.section-header p,.card p,.feature p,.faq p,.timeline p{color:var(--muted);margin:0}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:center}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.card,.feature,.faq,.timeline,.video-card,.case-card{background:linear-gradient(180deg,rgba(18,28,52,.76),rgba(12,16,34,.76));border:1px solid rgba(123,228,255,.16);border-radius:var(--radius);padding:24px;box-shadow:0 18px 56px rgba(0,0,0,.16);position:relative;overflow:hidden}
.card:after,.feature:after,.case-card:after{content:"";position:absolute;inset:auto 22px 0 22px;height:1px;background:linear-gradient(90deg,transparent,var(--cyan),transparent);opacity:.6}
.card-icon{width:48px;height:48px;border-radius:16px;display:grid;place-items:center;background:linear-gradient(135deg,rgba(85,232,255,.18),rgba(155,92,255,.22));color:#dffbff;margin-bottom:16px;font-weight:800}
.feature{display:grid;grid-template-columns:130px 1fr;gap:18px;align-items:center}.feature img{border-radius:18px;background:#0a1024;border:1px solid rgba(255,255,255,.08)}
.panel{border-radius:34px;border:1px solid var(--line);background:linear-gradient(180deg,rgba(22,31,58,.8),rgba(8,12,27,.82));padding:24px;box-shadow:var(--shadow)}
.panel img{border-radius:24px}.list{display:grid;gap:12px;margin:0;padding:0;list-style:none}.list li{padding:13px 15px;border-radius:16px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.08);color:#cbd7f5}.list li strong{color:#fff}.tag-cloud{display:flex;flex-wrap:wrap;gap:10px}.tag-cloud span{padding:9px 12px;border-radius:999px;background:rgba(155,92,255,.12);border:1px solid rgba(155,92,255,.26);color:#eadfff;font-size:14px}
.timeline{display:grid;gap:18px}.timeline-item{display:grid;grid-template-columns:90px 1fr;gap:16px;align-items:start}.timeline-time{color:#8ff5ff;font-weight:800}.timeline-body{border-left:1px solid rgba(85,232,255,.26);padding-left:18px}
.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}.video-card{padding:0}.video-card img{width:100%;border-radius:24px 24px 0 0}.video-card-body{padding:20px}.video-meta{display:flex;gap:8px;flex-wrap:wrap;margin-top:14px}.video-meta span{font-size:12px;color:#b6f5ff;background:rgba(85,232,255,.08);border:1px solid rgba(85,232,255,.2);border-radius:999px;padding:5px 9px}
.case-card img{border-radius:20px;margin-bottom:18px}.quote{font-size:18px;color:#e9f1ff;border-left:3px solid var(--cyan);padding-left:18px;margin:18px 0 0}.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px}.faq h3{font-size:18px}.cta{border-radius:36px;padding:46px;background:linear-gradient(135deg,rgba(60,124,255,.26),rgba(155,92,255,.22),rgba(85,232,255,.12));border:1px solid rgba(255,255,255,.14);overflow:hidden;position:relative}.cta:before{content:"";position:absolute;inset:-80px -80px auto auto;width:220px;height:220px;border-radius:50%;background:rgba(85,232,255,.18);filter:blur(24px)}.cta>*{position:relative}.page-hero{padding:76px 0 44px;border-bottom:1px solid rgba(123,228,255,.12)}.page-hero .lead{max-width:860px}.breadcrumb{color:#8ff5ff;font-size:14px;margin-bottom:12px}.contact-card{display:grid;gap:14px}.contact-row{padding:16px;border-radius:18px;background:rgba(255,255,255,.055);border:1px solid rgba(255,255,255,.08)}
.site-footer{padding:58px 0 44px;border-top:1px solid var(--line);background:rgba(4,6,14,.68)}.footer-grid{display:grid;grid-template-columns:2fr 1fr 1.4fr 1.2fr;gap:24px}.footer-brand{font-size:22px;font-weight:900;margin-bottom:10px}.site-footer p,.site-footer a{display:block;color:#9ba9c8;margin:0 0 8px}.site-footer h3{font-size:16px;color:#fff;margin-bottom:12px}.site-footer a:hover{color:#fff}
@media (max-width: 980px){.hero-grid,.grid-2{grid-template-columns:1fr}.stats,.grid-4{grid-template-columns:repeat(2,1fr)}.grid-3,.video-grid,.faq-grid,.footer-grid{grid-template-columns:1fr 1fr}.site-nav{position:absolute;right:0;top:70px;display:none;flex-direction:column;align-items:stretch;width:min(320px,calc(100vw - 40px));padding:14px;background:rgba(10,14,30,.96);border:1px solid var(--line);border-radius:22px;box-shadow:var(--shadow)}.site-nav.open{display:flex}.nav-toggle{display:flex}.site-nav a{padding:12px 14px}.feature{grid-template-columns:100px 1fr}}
@media (max-width: 640px){.container{width:min(100% - 28px,1180px)}.header-inner{height:66px}.hero{padding:62px 0 44px}.section{padding:54px 0}.stats,.grid-3,.grid-4,.video-grid,.faq-grid,.footer-grid{grid-template-columns:1fr}.hero-actions,.section-actions{align-items:stretch}.btn{width:100%}.feature{grid-template-columns:1fr}.timeline-item{grid-template-columns:1fr}.timeline-body{padding-left:0;border-left:0;border-top:1px solid rgba(85,232,255,.22);padding-top:12px}.cta{padding:30px}.page-hero{padding:54px 0 34px}}

form label{display:grid;gap:8px;color:#dfe8ff;font-weight:700;margin-bottom:16px}
input,textarea{width:100%;border:1px solid rgba(123,228,255,.22);background:rgba(3,7,18,.72);color:#fff;border-radius:16px;padding:13px 14px;font:inherit;outline:none}
input:focus,textarea:focus{border-color:#55e8ff;box-shadow:0 0 0 4px rgba(85,232,255,.1)}
.card,.feature,.video-card,.case-card,.faq{opacity:.98;transform:translateY(0);transition:opacity .35s ease,transform .35s ease}
.card.is-visible,.feature.is-visible,.video-card.is-visible,.case-card.is-visible,.faq.is-visible{opacity:1;transform:none}