:root{--bg:#050817;--card:#0a1026;--line:rgba(113,229,255,.22);--txt:#eaf7ff;--muted:#9fb3cc;--cyan:#31e8ff;--violet:#9a65ff;--pink:#ff4fd8}*{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 15% 5%,rgba(49,232,255,.16),transparent 25%),radial-gradient(circle at 85% 0,rgba(154,101,255,.20),transparent 28%),var(--bg);color:var(--txt);line-height:1.75}a{color:inherit;text-decoration:none}img{max-width:100%;display:block}.site-header{position:sticky;top:0;z-index:20;background:rgba(5,8,23,.82);backdrop-filter:blur(18px);border-bottom:1px solid var(--line)}.nav-wrap{max-width:1180px;margin:auto;display:flex;align-items:center;justify-content:space-between;padding:16px 20px}.logo{display:flex;align-items:flex-start;gap:10px;font-weight:800}.logo span{font-size:28px;background:linear-gradient(135deg,var(--cyan),var(--violet));-webkit-background-clip:text;color:transparent}.logo small{display:block;color:var(--muted);font-size:11px;letter-spacing:.08em;margin-top:6px}.nav{display:flex;gap:18px}.nav a{font-size:15px;color:#dceeff}.nav a:hover{color:var(--cyan)}.menu-btn{display:none;background:transparent;border:1px solid var(--line);color:var(--txt);border-radius:12px;padding:8px 12px}.search-band{max-width:1180px;margin:auto;padding:0 20px 18px}.fake-search{display:flex;gap:10px}.fake-search input{flex:1;background:#080e22;border:1px solid var(--line);border-radius:16px;color:var(--txt);padding:13px 16px}.fake-search button,.btn{border:0;border-radius:16px;padding:13px 20px;color:#061021;background:linear-gradient(135deg,var(--cyan),var(--violet));font-weight:800;cursor:pointer}.domain-line{margin:8px 0 0;color:var(--muted);font-size:13px}.hero{max-width:1180px;margin:0 auto;padding:72px 20px 44px;display:grid;grid-template-columns:1.08fr .92fr;gap:34px;align-items:center}.eyebrow{color:var(--cyan);font-weight:800;letter-spacing:.08em;text-transform:uppercase}.hero h1{font-size:clamp(38px,6vw,76px);line-height:1.08;margin:12px 0;background:linear-gradient(135deg,#fff,var(--cyan),var(--violet));-webkit-background-clip:text;color:transparent}.hero p,.section p{color:var(--muted)}.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-top:26px}.ghost{border:1px solid var(--line);background:rgba(255,255,255,.03);color:var(--txt)}.hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}.stat{padding:16px;border:1px solid var(--line);border-radius:22px;background:rgba(255,255,255,.035)}.stat b{font-size:26px;color:#fff}.image-card{margin:0;border:1px solid var(--line);border-radius:30px;overflow:hidden;background:rgba(255,255,255,.04);box-shadow:0 30px 80px rgba(0,0,0,.35)}.image-card figcaption{padding:12px 16px;color:var(--muted);font-size:13px}.section{max-width:1180px;margin:0 auto;padding:58px 20px}.section h2{font-size:clamp(28px,4vw,46px);margin:6px 0 14px}.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.card{border:1px solid var(--line);border-radius:26px;padding:24px;background:linear-gradient(180deg,rgba(255,255,255,.055),rgba(255,255,255,.025));min-height:180px;transition:.25s}.card:hover,.video-card:hover{transform:translateY(-4px);border-color:rgba(49,232,255,.55);box-shadow:0 20px 70px rgba(49,232,255,.08)}.card h3{margin:0 0 10px}.card .num{color:var(--violet);font-weight:900}.video-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.video-card{overflow:hidden;border:1px solid var(--line);border-radius:26px;background:rgba(255,255,255,.04);transition:.25s}.poster{position:relative;overflow:hidden}.poster img{aspect-ratio:16/10;object-fit:cover}.play{position:absolute;inset:0;margin:auto;width:72px;height:72px;border-radius:50%;border:1px solid rgba(255,255,255,.6);background:rgba(0,0,0,.35);color:#fff;font-size:28px;opacity:0;transition:.25s}.video-card:hover .play{opacity:1;transform:scale(1.05)}.duration{position:absolute;right:12px;bottom:12px;background:rgba(0,0,0,.62);border-radius:12px;padding:4px 9px;font-size:12px}.video-body{padding:18px}.video-body h3{margin:0 0 8px}.tags{display:flex;gap:8px;flex-wrap:wrap}.tags span,.pill{border:1px solid var(--line);border-radius:999px;padding:6px 10px;color:#bfefff;background:rgba(49,232,255,.06);font-size:13px}.metrics{font-size:13px}.steps{counter-reset:s;display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.step{padding:22px;border-left:2px solid var(--cyan);background:rgba(255,255,255,.035);border-radius:18px}.step:before{counter-increment:s;content:'0' counter(s);color:var(--cyan);font-weight:900}.quote{font-size:15px}.faq details{border:1px solid var(--line);border-radius:18px;padding:14px 18px;margin-bottom:12px;background:rgba(255,255,255,.03)}.faq summary{cursor:pointer;font-weight:800}.json-box{white-space:pre-wrap;overflow:auto;background:#020511;border:1px solid var(--line);border-radius:20px;padding:18px;color:#ccf6ff;font-size:13px}.pill-row{display:flex;gap:12px;flex-wrap:wrap}.contact-panel{display:grid;grid-template-columns:1fr 1fr;gap:22px;align-items:start}.site-footer{margin-top:30px;border-top:1px solid var(--line);background:#030614;padding:34px 20px}.footer-grid{max-width:1180px;margin:auto;display:grid;grid-template-columns:2fr 1fr 1fr;gap:22px}.copyright{max-width:1180px;margin:18px auto 0;color:var(--muted);font-size:13px}@media(max-width:880px){.nav{display:none}.menu-btn{display:block}.hero,.contact-panel{grid-template-columns:1fr}.grid,.video-grid,.steps,.footer-grid{grid-template-columns:1fr}.hero-stats{grid-template-columns:1fr}.fake-search{flex-direction:column}.section{padding:42px 16px}.nav-wrap,.search-band{padding-left:16px;padding-right:16px}}