:root{
  --bg:#050816;--panel:#0b1028;--panel2:#101936;--text:#eef7ff;--muted:#a7b9d7;--line:rgba(130,177,255,.22);
  --cyan:#52d6ff;--violet:#925bff;--green:#54ffd3;--shadow:0 24px 80px rgba(39,88,255,.2);
}
*{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;background:radial-gradient(circle at 20% 0%,rgba(82,214,255,.16),transparent 32%),radial-gradient(circle at 84% 12%,rgba(146,91,255,.22),transparent 28%),var(--bg);color:var(--text);line-height:1.75}a{color:inherit;text-decoration:none}img,video{max-width:100%;display:block}.skip-link{position:absolute;left:-999px;top:0;background:#fff;color:#000;padding:8px 12px;z-index:99}.skip-link:focus{left:12px}.site-header{position:sticky;top:0;z-index:50;background:rgba(5,8,22,.86);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav-shell{max-width:1240px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:16px 20px}.brand-mark{display:flex;gap:10px;align-items:center}.brand-mark strong{font-size:21px;letter-spacing:.03em}.brand-mark em{font-size:12px;color:var(--cyan);font-style:normal;border:1px solid var(--line);padding:2px 8px;border-radius:999px}.brand-orb{width:34px;height:34px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--violet));box-shadow:0 0 32px rgba(82,214,255,.55)}.main-nav{display:flex;align-items:center;gap:8px}.main-nav a{font-size:14px;color:#cfe0ff;padding:8px 12px;border-radius:999px}.main-nav a:hover,.main-nav a.active{background:rgba(82,214,255,.12);color:#fff}.menu-toggle{display:none;background:rgba(255,255,255,.08);color:#fff;border:1px solid var(--line);border-radius:10px;padding:7px 10px}.search-strip{max-width:1240px;margin:0 auto 14px;padding:0 20px;display:grid;grid-template-columns:180px minmax(0,1fr)120px;gap:10px;align-items:center}.search-strip label{color:#b8c7e5;font-size:14px}.search-strip input,.search-strip button{height:42px;border-radius:14px;border:1px solid var(--line);background:rgba(255,255,255,.06);color:#fff;padding:0 14px}.search-strip button{cursor:pointer;background:linear-gradient(135deg,rgba(82,214,255,.28),rgba(146,91,255,.28))}.search-strip p{grid-column:2/4;margin:0;color:#91a4c7;font-size:12px}.hero{position:relative;overflow:hidden;padding:86px 20px 58px}.hero:before{content:"";position:absolute;inset:12% -10% auto auto;width:460px;height:460px;background:radial-gradient(circle,rgba(82,214,255,.28),transparent 65%);filter:blur(10px)}.hero-grid{max-width:1240px;margin:auto;display:grid;grid-template-columns:minmax(0,1.08fr) minmax(320px,.92fr);gap:34px;align-items:center}.eyebrow{color:var(--green);letter-spacing:.12em;font-weight:700;font-size:13px;text-transform:uppercase}.hero h1{font-size:clamp(36px,7vw,76px);line-height:1.05;margin:12px 0 20px;letter-spacing:-.05em}.hero p{color:#c6d8f6;font-size:18px;max-width:760px}.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0}.btn{display:inline-flex;align-items:center;justify-content:center;padding:12px 18px;border-radius:999px;border:1px solid var(--line);background:rgba(255,255,255,.08);color:#fff}.btn.primary{background:linear-gradient(135deg,var(--cyan),var(--violet));color:#04101c;font-weight:800}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}.stat{border:1px solid var(--line);background:rgba(255,255,255,.06);border-radius:20px;padding:18px}.stat strong{display:block;font-size:27px;color:#fff}.hero-card{border:1px solid var(--line);background:linear-gradient(180deg,rgba(255,255,255,.09),rgba(255,255,255,.04));box-shadow:var(--shadow);border-radius:34px;padding:18px}.media-figure{margin:0;position:relative}.media-figure img{border-radius:26px;border:1px solid var(--line);box-shadow:var(--shadow)}.media-figure figcaption{margin-top:10px;color:#9fb2d2;font-size:13px}.section{max-width:1240px;margin:auto;padding:58px 20px}.section h2{font-size:clamp(28px,4.2vw,48px);line-height:1.15;margin:8px 0 16px}.section-intro{max-width:820px;color:#b7c8e6}.grid{display:grid;gap:18px}.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,.panel{border:1px solid var(--line);border-radius:28px;background:linear-gradient(180deg,rgba(255,255,255,.08),rgba(255,255,255,.035));padding:24px;box-shadow:0 20px 60px rgba(0,0,0,.16)}.card h3,.panel h3{margin-top:0;color:#fff}.card p,.panel p{color:#b8c9e8}.video-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;margin-top:26px}.video-card{overflow:hidden;border:1px solid var(--line);border-radius:30px;background:rgba(255,255,255,.06);transition:transform .25s ease,border-color .25s ease}.video-card:hover{transform:translateY(-6px);border-color:rgba(82,214,255,.65)}.video-shell{position:relative;aspect-ratio:16/10;background:#060a18;overflow:hidden}.video-shell video{width:100%;height:100%;object-fit:cover}.play-button{position:absolute;left:50%;top:50%;transform:translate(-50%,-50%) scale(.82);opacity:0;width:70px;height:70px;border:0;border-radius:50%;background:rgba(255,255,255,.92);color:#151a35;font-size:28px;cursor:pointer;transition:.25s ease}.video-card:hover .play-button,.video-card.is-active .play-button{opacity:1;transform:translate(-50%,-50%) scale(1)}.video-content{padding:22px}.video-content h3{font-size:22px;line-height:1.35;margin:0 0 10px}.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0}.tag-row span{font-size:12px;color:#dff8ff;border:1px solid rgba(82,214,255,.28);background:rgba(82,214,255,.08);padding:4px 9px;border-radius:999px}.metrics{color:#89e7ff!important;font-size:13px}.steps{counter-reset:step;display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}.step{counter-increment:step;position:relative}.step:before{content:counter(step);display:inline-grid;place-items:center;width:36px;height:36px;border-radius:50%;background:linear-gradient(135deg,var(--cyan),var(--violet));color:#07111f;font-weight:900}.breadcrumb{max-width:1240px;margin:24px auto 0;padding:0 20px;color:#9fb2d2;font-size:14px}.breadcrumb a{color:#c7eaff}.breadcrumb span{margin:0 8px}.page-hero{max-width:1240px;margin:auto;padding:64px 20px 32px}.page-hero h1{font-size:clamp(34px,5vw,58px);line-height:1.08;margin:10px 0 16px}.page-hero p{max-width:850px;color:#baceeb}.article-body{max-width:900px;margin:auto;padding:30px 20px 80px}.article-body h2{font-size:32px;margin-top:38px}.article-body p,.article-body li{color:#c4d4ef}.article-body blockquote{border-left:3px solid var(--cyan);margin:28px 0;padding:14px 20px;background:rgba(82,214,255,.06);border-radius:0 18px 18px 0}.json-box{white-space:pre-wrap;overflow:auto;font-size:13px;background:#080d22;border:1px solid var(--line);border-radius:18px;padding:18px;color:#cfe8ff;max-height:360px}.faq details{border:1px solid var(--line);border-radius:20px;padding:18px 20px;background:rgba(255,255,255,.05)}.faq details+details{margin-top:12px}.faq summary{cursor:pointer;font-weight:800;color:#fff}.comment-card strong{color:#fff}.score{color:var(--green);font-weight:800}.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:12px}.related-grid a{border:1px solid var(--line);border-radius:18px;padding:16px;background:rgba(255,255,255,.05);color:#dfefff}.site-footer{border-top:1px solid var(--line);background:#050713;margin-top:30px}.footer-grid{max-width:1240px;margin:auto;padding:34px 20px;display:grid;grid-template-columns:1.2fr .8fr;gap:20px;color:#aebfe0}.footer-grid h2,.footer-grid h3{color:#fff;margin-top:0}
@media (max-width:900px){.menu-toggle{display:block}.main-nav{display:none;position:absolute;left:20px;right:20px;top:68px;flex-direction:column;background:#08102a;border:1px solid var(--line);border-radius:18px;padding:12px}.main-nav.open{display:flex}.search-strip{grid-template-columns:1fr}.search-strip p{grid-column:auto}.hero-grid,.grid.cols-2,.grid.cols-3,.grid.cols-4,.video-grid,.steps,.footer-grid,.related-grid{grid-template-columns:1fr}.hero{padding-top:54px}.hero-stats{grid-template-columns:1fr}.section{padding:42px 18px}.nav-shell{padding:14px 18px}.page-hero{padding-top:42px}}