*{box-sizing:border-box}
body{margin:0;background:#050505;color:#f5f5f7;font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif}
.header{height:84px;padding:0 7%;display:flex;align-items:center;justify-content:space-between}
.brand{font-size:26px;font-weight:700}
.nav a{color:#aaa;text-decoration:none;margin:0 16px}
.contact{color:#ccc}
.hero{min-height:760px;padding:80px 10%;display:flex;align-items:center;justify-content:space-between}
.hero-copy{max-width:650px}
.pill{font-size:13px;letter-spacing:3px;color:#999}
h1{font-size:72px;line-height:1.08;margin:25px 0}
.lead{font-size:25px;color:#ddd}
.actions button{padding:16px 34px;border-radius:40px;border:0;margin-right:12px}
.ghost{background:#222;color:white}
.device-card{width:380px}
.iphone{height:600px;width:290px;border-radius:55px;border:8px solid #333;background:linear-gradient(160deg,#111,#222);margin:auto;display:flex;align-items:center;justify-content:center}
.screen{text-align:center;font-size:35px}
.screen strong{display:block;font-size:60px}
.screen small{color:#aaa}
.dynamic{position:absolute}
h2{text-align:center;font-size:44px;margin-bottom:45px}
.grid{display:grid;gap:25px}
.three{grid-template-columns:repeat(3,1fr);padding:0 8%}
.audience div,.product,.numbers div,.steps div,.panel,.faq{background:#101010;border:1px solid #222;border-radius:28px;padding:35px}
.numbers{display:flex;justify-content:center;gap:30px;padding:80px 8%}
.numbers div{width:260px;text-align:center}
.numbers b{font-size:45px;display:block}
.numbers span{color:#aaa}
.products .featured{border-color:#fff}
.product h4{font-size:38px}
li{margin:14px;color:#ccc}
.panel,.faq{margin:60px 8%;text-align:center}
.searchbox{margin:30px auto;padding:25px;background:#111;border-radius:20px;max-width:700px;color:#777}
.steps{display:flex;justify-content:center;gap:20px}
footer{padding:60px;text-align:center;border-top:1px solid #222;color:#aaa}
@media(max-width:900px){.hero{flex-direction:column}.three{grid-template-columns:1fr}h1{font-size:45px}.nav{display:none}}