*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:Helvetica,Arial,"PingFang SC","Microsoft YaHei",sans-serif;background:#f2f2f2;color:#111;line-height:1.5}
img{max-width:100%;height:auto;display:block}
a{color:#111;text-decoration:none}
a:hover{text-decoration:underline}
ul{list-style:none}
.container{width:min(1120px,92vw);margin:0 auto}

.site-header{position:sticky;top:0;z-index:100;background:#f2f2f2;border-bottom:8px solid #111}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:8px 0;gap:16px}
.logo{font-weight:700;font-size:14px;letter-spacing:.04em;text-transform:uppercase}
.nav-main{display:flex;flex-wrap:wrap;gap:8px 24px;font-size:12px;text-transform:uppercase;letter-spacing:.08em;font-weight:700}
.nav-main a.active{text-decoration:underline}
.btn-nav{display:inline-block;background:#e10600;color:#fff!important;padding:8px 16px;font-size:12px;font-weight:700;text-transform:uppercase;text-decoration:none!important}

.section{padding:40px 0}
.section-title{font-size:24px;font-weight:700;margin-bottom:8px;text-transform:uppercase;letter-spacing:.06em}
.section-lead{color:#444;font-size:14px;margin-bottom:24px;max-width:640px}

.footer{border-top:8px solid #111;padding:32px 0 0;font-size:12px;color:#444}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;margin-bottom:16px}
.footer h3{font-size:12px;color:#111;margin-bottom:8px;text-transform:uppercase;letter-spacing:.08em}
.footer a{color:#444}
.footer-links{display:flex;flex-wrap:wrap;gap:8px 16px}
.footer-bottom{border-top:1px solid #111;padding-top:16px;text-align:left;color:#666;font-size:11px}

.faq-list{display:flex;flex-direction:column}
.faq-item{border-bottom:1px solid #111}
.faq-q{width:100%;text-align:left;padding:16px 0;font-weight:700;font-size:14px;background:transparent;border:none;cursor:pointer;color:#111;display:flex;justify-content:space-between;align-items:center;font-family:inherit;text-transform:uppercase;letter-spacing:.04em}
.faq-q::after{content:"+"}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{display:none;padding:0 0 16px;font-size:13px;color:#444}
.faq-item.open .faq-a{display:block}

.btn-ch{display:inline-block;background:#e10600;color:#fff;padding:8px 16px;font-weight:700;font-size:12px;text-transform:uppercase;text-decoration:none!important}
.btn-ghost{display:inline-block;color:#111;border:1px solid #111;padding:8px 16px;font-weight:700;font-size:12px;text-transform:uppercase;text-decoration:none!important}

@media(max-width:768px){
  .header-inner{flex-wrap:wrap}
  .footer-grid{grid-template-columns:1fr}
}