:root{color-scheme:dark;--bg:#000207;--card:rgba(7,13,32,.74);--line:rgba(82,168,255,.22);--text:#fff;--muted:rgba(255,255,255,.68);--cyan:#52a8ff;--blue:#407bff;--purple:#9d4edd}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:110px;background:var(--bg)}body{margin:0;font-family:Inter,-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Microsoft YaHei",sans-serif;color:var(--text);background:radial-gradient(circle at 12% 5%,rgba(82,168,255,.22),transparent 30%),radial-gradient(circle at 88% 12%,rgba(157,78,221,.18),transparent 28%),var(--bg)}a{color:inherit}.wrap{width:min(1160px,92vw);margin:0 auto}nav{position:fixed;top:20px;left:50%;transform:translateX(-50%);width:min(1000px,90vw);height:60px;display:flex;justify-content:space-between;align-items:center;padding:0 24px;background:rgba(0,5,15,.6);-webkit-backdrop-filter:blur(20px);backdrop-filter:blur(20px);border-radius:30px;border:1px solid rgba(0,240,255,.15);box-shadow:0 0 30px rgba(0,240,255,.05);z-index:100}.brand{display:flex;align-items:center;gap:12px;font-weight:700;font-size:1.1rem;letter-spacing:2px;text-decoration:none;color:#fff}.brand-dot{width:8px;height:8px;background:var(--cyan);border-radius:50%;box-shadow:0 0 10px var(--cyan)}.nav-links{display:flex;gap:32px}.nav-links a{color:var(--muted);text-decoration:none;font-size:.9rem;transition:.3s;text-transform:uppercase;letter-spacing:1px}.nav-links a:hover{color:var(--cyan);text-shadow:0 0 10px var(--cyan)}.nav-action{display:flex;gap:16px}nav .btn{display:inline-flex;align-items:center;justify-content:center;height:42px;padding:0 24px;border-radius:21px;font-size:.9rem;font-weight:600;text-decoration:none;text-transform:uppercase;letter-spacing:1px;transition:all .3s cubic-bezier(.25,1,.5,1);cursor:pointer;position:relative;overflow:hidden}nav .btn-glow{background:transparent;color:var(--cyan);border:1px solid var(--cyan);box-shadow:0 4px 15px rgba(82,168,255,.15),inset 0 1px 1px rgba(255,255,255,.1)}nav .btn-glow:hover{background:rgba(0,240,255,.1);box-shadow:0 8px 25px rgba(82,168,255,.25),inset 0 1px 2px rgba(255,255,255,.2);transform:scale(1.05)}.hero{padding:170px 0 70px;text-align:center}.eyebrow{display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border:1px solid var(--line);border-radius:999px;color:var(--cyan);background:rgba(82,168,255,.07);font-size:13px;letter-spacing:1px;text-transform:uppercase}h1{margin:26px auto 22px;max-width:980px;font-size:clamp(2.7rem,6vw,5rem);line-height:1.12;letter-spacing:-2px}.lead{max-width:840px;margin:0 auto 34px;color:var(--muted);font-size:clamp(1.05rem,2vw,1.3rem);line-height:1.8}.actions{display:flex;justify-content:center;gap:16px;flex-wrap:wrap}.btn{display:inline-flex;justify-content:center;align-items:center;min-height:44px;padding:0 24px;border-radius:999px;text-decoration:none;font-weight:700;border:1px solid var(--cyan);color:var(--cyan)}.btn.primary{color:#001018;background:linear-gradient(90deg,var(--cyan),var(--blue));border:0}section{padding:68px 0}.section-title{text-align:center;margin-bottom:34px}.section-title h2{margin:0 0 14px;font-size:clamp(2rem,4vw,3rem)}.section-title p{margin:0 auto;max-width:760px;color:var(--muted);line-height:1.8}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}.grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}.card{border:1px solid rgba(255,255,255,.08);border-radius:20px;background:var(--card);padding:28px;box-shadow:0 28px 80px rgba(0,0,0,.28)}.card h3{margin:0 0 12px;font-size:1.25rem}.card p,.card li{color:var(--muted);line-height:1.75}.card ul{padding-left:20px;margin:10px 0 0}.tag{display:inline-flex;margin-bottom:16px;color:var(--cyan);font-size:12px;text-transform:uppercase;letter-spacing:1.4px}.faq details{border:1px solid rgba(255,255,255,.08);border-radius:14px;padding:18px 20px;background:rgba(255,255,255,.035)}.faq details+details{margin-top:12px}.faq summary{cursor:pointer;font-weight:700}.crosslinks{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;margin-top:18px}.crosslinks a{color:var(--cyan);text-decoration:none;border:1px solid rgba(82,168,255,.22);border-radius:999px;padding:9px 14px}footer{padding:40px 0 56px;color:rgba(255,255,255,.45);text-align:center;border-top:1px solid rgba(255,255,255,.06)}@media(max-width:820px){nav{align-items:flex-start;border-radius:22px;flex-direction:column}.grid,.grid.two{grid-template-columns:1fr}h1{letter-spacing:-1px}}