*{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;scroll-padding-top:76px}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;color:#4b5a70;background:#fff;line-height:1.7}
a{text-decoration:none;color:inherit}
img{display:block;max-width:100%;height:auto}
button,input{font:inherit}
.container{width:min(1180px,calc(100% - 40px));margin:auto}
.topbar{position:sticky;top:0;z-index:100;height:76px;background:rgba(255,255,255,.95);border-bottom:1px solid #e0e6ed;backdrop-filter:blur(14px)}
.nav{height:100%;display:flex;align-items:center;justify-content:space-between;gap:28px}
.logo{display:flex;align-items:center;gap:10px;color:#111827;font-size:21px;font-weight:800}
.logo-mark{width:38px;height:38px;display:grid;place-items:center;border-radius:6px;background:linear-gradient(145deg,#ff5a24,#ff8b37);box-shadow:0 9px 22px rgba(255,90,36,.24)}
.logo-mark:after{content:"H";color:#fff;font-size:19px;font-weight:900}
.logo b{color:#ff5a24}
.nav-links{display:flex;align-items:center;gap:27px;color:#46546a;font-size:14px;font-weight:600}
.nav-links a{position:relative;transition:.2s}
.nav-links a:hover,.nav-links a.active{color:#ff5a24}
.nav-links a.active:after{content:"";position:absolute;right:0;bottom:-9px;left:0;height:2px;background:#ff5a24}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:45px;padding:0 22px;border:0;border-radius:5px;color:#fff;background:#ff5a24;box-shadow:0 10px 25px rgba(255,90,36,.22);font-size:14px;font-weight:700;transition:.2s}
.btn:hover{transform:translateY(-2px);background:#e94613}
.btn.light{color:#111827;border:1px solid #bcc7d5;background:#fff;box-shadow:none}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:29px}
section{padding:88px 0}
.section-head{max-width:720px;margin:0 auto 42px;text-align:center}
.kicker{color:#ff5a24;font-size:11px;font-weight:800;letter-spacing:.14em;text-transform:uppercase}
h1,h2,h3,h4,strong{color:#111827}
h2{margin-top:8px;font-size:clamp(29px,3.5vw,42px);line-height:1.25}
.section-head p{margin-top:12px;color:#7a8799}
.visual{overflow:hidden;padding:16px;border:1px solid #dbe3ec;background:#f8fafc;box-shadow:16px 16px 0 rgba(23,105,255,.06)}
.visual img{width:100%}
.cta{color:#fff;background:linear-gradient(115deg,#111827,#17355a 56%,#1769ff)}
.cta-grid{display:grid;grid-template-columns:1fr auto;gap:38px;align-items:center}
.cta h2{color:#fff}
.cta p{margin-top:9px;color:#c5d1e0}
footer{padding:45px 0 24px;color:#a8b3c3;background:#0d1420}
.footer-grid{display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:42px}
.footer-intro{max-width:300px;margin-top:15px;font-size:12px}
.footer-col h4{margin-bottom:10px;color:#fff}
.footer-col a{display:block;margin:6px 0;font-size:11px;transition:.2s}
.footer-col a:hover{color:#ff7547}
.copyright{display:flex;justify-content:space-between;gap:20px;margin-top:30px;padding-top:20px;border-top:1px solid #2a3341;font-size:10px}
@media(max-width:960px){
  .nav-links{display:none}
  .cta-grid{grid-template-columns:1fr}
}
@media(max-width:640px){
  .container{width:min(100% - 28px,1180px)}
  section{padding:66px 0}
  .topbar{height:68px}
  .nav>.btn{padding:0 14px}
  .hero-actions{display:grid}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .copyright{display:grid}
}