:root{color:#1d1d1f;font-synthesis:none;text-rendering:optimizelegibility;-webkit-font-smoothing:antialiased;background:#fff;font-family:SF Pro Display,PingFang SC,Microsoft YaHei,Segoe UI,sans-serif}*{box-sizing:border-box}body{background:#f5f5f7;min-height:100vh;margin:0}#app{max-width:1440px;margin:0 auto;padding:0 14px 28px}.promo-bar{color:#1d1d1f;background:#fff;justify-content:center;align-items:center;gap:10px;height:44px;font-size:14px;display:flex}.promo-bar a{color:#06c;text-decoration:none}.nav{z-index:20;-webkit-backdrop-filter:saturate(180%)blur(20px);backdrop-filter:saturate(180%)blur(20px);background:#fafafccc;border-bottom:1px solid #0000000f;position:sticky;top:44px}.nav-inner{justify-content:space-between;align-items:center;max-width:1024px;height:48px;margin:0 auto;padding:0 16px;display:flex}.logo{color:#1d1d1f;font-size:13px;font-weight:600}nav{gap:26px;display:flex}nav a{color:#1d1d1fd9;font-size:12px;text-decoration:none;transition:color .2s,opacity .2s}nav a:hover{color:#1d1d1f;opacity:1}.hero{text-align:center;border-radius:28px;margin:14px 0 0;padding:86px 20px 72px;position:relative;overflow:hidden}.hero-dark{color:#f5f5f7;background:radial-gradient(circle at 50% 65%,#2997ff52,#0000 45%),linear-gradient(#0b0b0d 0%,#000 100%);min-height:580px}.hero-light{color:#1d1d1f;background:radial-gradient(circle at 20% 20%,#78b4ff38,#0000 44%),linear-gradient(#fbfbfd 0%,#f0f2f5 100%);min-height:420px}.eyebrow{color:#06c;letter-spacing:-.01em;margin:0;font-size:20px;font-weight:600}h1,h2{letter-spacing:-.05em;text-wrap:balance;margin:10px 0 8px;font-size:clamp(40px,8vw,78px);line-height:1.04}.subtitle{letter-spacing:-.02em;max-width:700px;color:inherit;opacity:.9;text-wrap:balance;margin:0 auto;font-size:clamp(21px,2.8vw,30px);line-height:1.2}.cta{justify-content:center;gap:18px;margin-top:20px;display:flex}.btn{border-radius:999px;padding:10px 20px;font-size:18px;text-decoration:none;transition:all .2s;display:inline-block}.btn:hover{transform:translateY(-1px)}.btn-primary{color:#fff;background:#0071e3}.btn-primary:hover{background:#0077ed}.btn-link{color:#06c;background:0 0}.hero-light .btn-primary{color:#fff}.tile-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px;margin-top:14px;display:grid}.tile{text-align:center;border-radius:28px;flex-direction:column;justify-content:flex-start;align-items:center;min-height:520px;padding:52px 36px;display:flex}.tile-kicker{color:#06c;margin:0;font-size:19px;font-weight:600}.tile h3{letter-spacing:-.03em;margin:8px 0 10px;font-size:clamp(34px,4vw,52px);line-height:1.1}.tile p{max-width:420px;color:inherit;opacity:.9;margin:0;font-size:21px;line-height:1.3}.tile-dark{color:#f5f5f7;background:linear-gradient(#111 0%,#000 100%)}.tile-light{color:#101010;background:linear-gradient(#fff 0%,#f5f5f7 100%)}.tile-grad{color:#f5f5f7;background:linear-gradient(135deg,#13243d 0%,#2c5364 52%,#5a3d88 100%)}.footer-note{color:#1d1d1f9e;max-width:980px;margin:20px auto 0;padding:20px 8px 8px;font-size:12px;line-height:1.5}.hero-glow{pointer-events:none;background:radial-gradient(circle,#5ebbff6b 0%,#0000 70%);width:760px;height:300px;position:absolute;bottom:-120px;left:50%;transform:translate(-50%)}@media (width<=900px){#app{padding:0 10px 24px}.promo-bar{text-align:center;flex-wrap:wrap;height:auto;min-height:44px;padding:10px 12px}nav{gap:12px;overflow-x:auto}.hero{min-height:auto;padding:64px 16px 56px}.eyebrow{font-size:18px}h1,h2{font-size:clamp(36px,12vw,54px)}.subtitle{font-size:clamp(19px,5.4vw,26px)}.tile-grid{grid-template-columns:1fr}.tile{min-height:320px;padding:36px 22px}.tile h3{font-size:clamp(28px,8vw,40px)}.tile p{font-size:18px}}