:root{--bg:#080d1d;--panel:#10172f;--text:#f7f9ff;--muted:#b9c3db;--line:rgba(255,255,255,.16);--glow:0 24px 80px rgba(69,116,255,.28);--radius:28px;--max:1180px}
*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",Arial,sans-serif;color:var(--text);background:radial-gradient(circle at 15% 10%,rgba(86,124,255,.35),transparent 34%),radial-gradient(circle at 80% 8%,rgba(255,92,172,.24),transparent 32%),linear-gradient(180deg,#080d1d 0%,#0d1430 55%,#08101f 100%);line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0)}
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section{padding:58px 0}.section-head{display:flex;align-items:end;justify-content:space-between;gap:24px;margin-bottom:24px}.section-head p{max-width:660px;color:var(--muted);margin:0}.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.module-card,.glass-card,.timeline-card{padding:26px}.module-card:hover,.video-card:hover,.review-card:hover{transform:translateY(-4px);border-color:rgba(142,246,255,.44)}.module-card,.video-card,.review-card{transition:transform .25s ease,border-color .25s ease}
.video-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.video-card{overflow:hidden}.video-media{position:relative;aspect-ratio:16/10;background:#10172f;overflow:hidden}.video-media video{width:100%;height:100%;object-fit:cover;display:block}.play-badge{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.88);width:62px;height:62px;border-radius:50%;display:grid;place-items:center;color:#061121;background:rgba(255,255,255,.9);opacity:0;transition:opacity .25s ease,transform .25s ease}.video-card:hover .play-badge{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-duration{position:absolute;right:12px;bottom:12px;padding:5px 9px;border-radius:999px;background:rgba(0,0,0,.58);font-size:12px}.video-body{padding:18px}.video-body p{color:var(--muted);margin:0 0 12px}.metrics,.tags{display:flex;flex-wrap:wrap;gap:8px}.metrics span,.tags span,.badge{font-size:12px;color:#dbeaff;border:1px solid var(--line);border-radius:999px;padding:5px 9px;background:rgba(255,255,255,.06)}
.story-band{display:grid;grid-template-columns:1fr 1fr;gap:18px}.story-band .glass-card:nth-child(1){grid-row:span 2}.case-image{border-radius:22px;margin:14px 0;border:1px solid var(--line)}.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}.timeline-card strong{font-size:34px;display:block;color:#9ff7ff}.review-grid,.faq-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}.review-card,.faq-item,.contact-card{padding:22px}.review-card strong{display:block;margin-bottom:8px}.faq-item summary{cursor:pointer;font-weight:900;font-size:18px}.faq-item p,.review-card p,.contact-card p,.module-card p,.timeline-card p{color:var(--muted);margin:8px 0 0}.contact-layout{display:grid;grid-template-columns:.95fr 1.05fr;gap:20px}.map-placeholder{position:relative;min-height:360px;border-radius:32px;overflow:hidden;border:1px solid var(--line)}.map-placeholder img{width:100%;height:100%;object-fit:cover}.map-pin{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);padding:14px 18px;border-radius:999px;background:rgba(8,13,29,.82);border:1px solid var(--line)}
.breadcrumb{color:var(--muted);font-size:14px;margin:26px 0}.page-hero{padding:52px 0 28px}.feature-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:20px}.feature-list li{list-style:none;padding:16px;border:1px solid var(--line);border-radius:20px;background:rgba(255,255,255,.06)}.site-footer{padding:48px 0 0;background:#060a16;border-top:1px solid var(--line)}.footer-grid{width:min(var(--max),calc(100% - 32px));margin:auto;display:grid;grid-template-columns:1.3fr .8fr .8fr .8fr;gap:24px}.footer-grid h2{font-size:18px;margin:0 0 12px}.footer-grid p,.footer-grid a{color:var(--muted);display:block;margin:8px 0}.footer-grid img{width:112px;border-radius:16px;background:#fff;padding:6px}.footer-bottom{margin-top:28px;padding:18px 16px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;gap:14px;justify-content:center;color:var(--muted);font-size:14px}.reveal{animation:rise .7s ease both}@keyframes rise{from{opacity:0;transform:translateY(20px)}to{opacity:1;transform:none}}
@media (max-width:980px){.hero-grid,.story-band,.contact-layout{grid-template-columns:1fr}.video-grid,.grid-3,.timeline,.footer-grid{grid-template-columns:repeat(2,1fr)}.main-nav{order:3;flex-basis:100%}.nav-shell{height:auto;flex-wrap:wrap;padding:12px 0}}@media (max-width:680px){.search-strip{grid-template-columns:1fr}.hero{padding-top:46px}.hero-points,.video-grid,.grid-3,.grid-2,.timeline,.review-grid,.faq-grid,.feature-list,.footer-grid{grid-template-columns:1fr}.section-head{display:block}.nav-cta{display:none}}