*,*::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:#f5f0e6;color:#111;line-height:1.55}
img{max-width:100%;height:auto;display:block}
a{color:#111;text-decoration:none}
a:hover{color:#c41212}
ul{list-style:none}
.container{width:min(1120px,92vw);margin:0 auto}

.site-header{position:sticky;top:0;z-index:100;background:#111;color:#f5f0e6}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.4rem 0;gap:1rem}
.logo{font-weight:800;font-size:.78rem;letter-spacing:.16em;text-transform:uppercase;color:#f5f0e6}
.nav-main{display:flex;flex-wrap:wrap;gap:.2rem .9rem;font-size:.7rem;text-transform:uppercase;letter-spacing:.1em;font-weight:700}
.nav-main a{color:#f5f0e6}
.nav-main a.active,.nav-main a:hover{color:#ff3b30}
.btn-nav{display:inline-block;background:#ff3b30;color:#fff!important;padding:.28rem .7rem;font-weight:800;font-size:.68rem;text-transform:uppercase}

.section{padding:2.4rem 0}
.section-title{font-size:clamp(1.4rem,4vw,2rem);font-weight:800;margin-bottom:.25rem;text-transform:uppercase;letter-spacing:-.02em;line-height:.95}
.section-lead{color:#444;font-size:.82rem;margin-bottom:1.1rem;max-width:560px}

.footer{background:#111;color:#b8b3a8;padding:2rem 0 0;font-size:.74rem}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:1.2rem;margin-bottom:1rem}
.footer h3{font-size:.72rem;color:#f5f0e6;margin-bottom:.4rem;text-transform:uppercase;letter-spacing:.12em}
.footer a{color:#b8b3a8}
.footer-links{display:flex;flex-wrap:wrap;gap:.2rem .7rem}
.footer-bottom{border-top:1px solid #333;padding-top:.7rem;text-align:center;color:#6a665c;font-size:.64rem}

.faq-list{display:flex;flex-direction:column}
.faq-item{border-bottom:3px solid #111}
.faq-q{width:100%;text-align:left;padding:.75rem 0;font-weight:800;font-size:.9rem;background:transparent;border:none;cursor:pointer;color:#111;display:flex;justify-content:space-between;align-items:center;font-family:inherit;text-transform:uppercase}
.faq-q::after{content:"+"}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{display:none;padding:0 0 .75rem;font-size:.8rem;color:#444}
.faq-item.open .faq-a{display:block}

.btn-pos{display:inline-block;background:#ff3b30;color:#fff;padding:.42rem .95rem;font-weight:800;font-size:.76rem;text-transform:uppercase}
.btn-ghost{display:inline-block;color:#111;border:3px solid #111;padding:.36rem .9rem;font-weight:800;font-size:.76rem;text-transform:uppercase}

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