*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{font-size:16px;-webkit-text-size-adjust:100%}
body{font-family:"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;background:#0a0a0b;color:#e6e6e6;line-height:1.65}
img{max-width:100%;height:auto;display:block}
a{color:#8b8b8b;text-decoration:none}
a:hover{color:#fff;text-decoration:none}
ul{list-style:none}
.container{width:min(1120px,92vw);margin:0 auto}

.site-header{position:sticky;top:0;z-index:100;background:#0a0a0b;border-bottom:1px solid #1c1c1f}
.header-inner{display:flex;align-items:center;justify-content:space-between;padding:.5rem 0;gap:1rem}
.logo{font-weight:700;font-size:.86rem;color:#fff;letter-spacing:.02em;display:flex;align-items:center;gap:.4rem}
.logo-ln{width:14px;height:14px;border:1px solid #fff}
.nav-main{display:flex;flex-wrap:wrap;gap:.2rem .95rem;font-size:.78rem}
.nav-main a{color:#8b8b8b;font-weight:600}
.nav-main a.active,.nav-main a:hover{color:#fff}
.btn-nav{display:inline-block;background:#fff;color:#0a0a0b!important;padding:.32rem .8rem;font-weight:700;font-size:.72rem;text-decoration:none!important}

.issue-bar{border-bottom:1px solid #1c1c1f;font-size:.68rem;padding:.28rem 0;color:#6b6b6b;letter-spacing:.06em}
.issue-bar .container{display:flex;flex-wrap:wrap;gap:.35rem 1.2rem}
.issue-bar em{color:#e6e6e6;font-style:normal;font-weight:700}

.section{padding:2.6rem 0}
.section-title{font-size:clamp(1.08rem,2.8vw,1.35rem);font-weight:700;margin-bottom:.3rem;color:#fff}
.section-lead{color:#8b8b8b;font-size:.84rem;margin-bottom:1.3rem;max-width:620px}

.line{border:1px solid #1c1c1f}

.footer{border-top:1px solid #1c1c1f;padding:2rem 0 0;font-size:.78rem;color:#8b8b8b}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:1.4rem;margin-bottom:1.2rem}
.footer h3{font-size:.8rem;color:#fff;margin-bottom:.4rem;font-weight:700}
.footer a{color:#8b8b8b}
.footer-links{display:flex;flex-wrap:wrap;gap:.25rem .7rem}
.footer-bottom{border-top:1px solid #1c1c1f;padding-top:.75rem;text-align:center;color:#5a5a5a;font-size:.68rem}

.faq-list{display:flex;flex-direction:column;gap:0}
.faq-item{border-bottom:1px solid #1c1c1f}
.faq-q{width:100%;text-align:left;padding:.8rem 0;font-weight:700;font-size:.84rem;background:transparent;border:none;cursor:pointer;color:#fff;display:flex;justify-content:space-between;align-items:center;font-family:inherit}
.faq-q::after{content:"+";color:#8b8b8b}
.faq-item.open .faq-q::after{content:"−"}
.faq-a{display:none;padding:0 0 .8rem;font-size:.8rem;color:#8b8b8b}
.faq-item.open .faq-a{display:block}

.btn-ln{display:inline-block;background:#fff;color:#0a0a0b;padding:.45rem 1rem;font-weight:700;font-size:.8rem;text-decoration:none!important}
.btn-ghost{display:inline-block;color:#e6e6e6;border:1px solid #1c1c1f;padding:.43rem .95rem;font-weight:700;font-size:.8rem;text-decoration:none!important}

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