*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#0E0E0E;color:#F7F3F1;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}
a{color:#F4D7D7;text-underline-offset:3px}
a:hover{color:#fff}
img{max-width:100%;height:auto}
.wrap{width:min(1080px,calc(100% - 36px));margin:0 auto}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#101010;border-top:3px solid #B4232C;border-bottom:1px solid rgba(180,35,44,.4);box-shadow:0 6px 18px rgba(0,0,0,.4)}
.header-inner{max-width:1080px;min-height:60px;margin:0 auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.site-logo{display:flex;align-items:center;gap:10px;text-decoration:none;color:#F7F3F1;font-size:16px;font-weight:700;min-width:170px}
.site-logo img,.mobile-logo img,.drawer-logo img{display:block;height:34px;width:auto;max-width:140px;object-fit:contain}
.nav-core{display:flex;align-items:center;gap:2px;margin-left:auto}
.nav-core a{color:#F7F3F1;padding:7px 10px;font-weight:700;text-decoration:none;white-space:nowrap;font-size:14px}
.nav-core a.is-current,.nav-core a:hover{color:#FFFFFF;box-shadow:inset 0 -2px 0 #B4232C}
.main-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:88px;padding:0 14px;background:#B4232C;color:#FFFFFF;border-radius:4px;text-decoration:none;font-weight:700;border:1px solid #C73A43}
.main-btn:hover{background:#8C1C23;color:#FFFFFF}
.header-btn{margin-left:16px}
.mobile-header{display:none}
.mobile-drawer,.drawer-mask{display:none}
main{min-height:70vh}
.breadcrumb{padding-top:18px;font-size:14px;color:#A38E8C}
.breadcrumb span,.breadcrumb a{margin-right:8px}
.hero,.section{padding:34px 0}
.article{width:min(740px,calc(100% - 36px));margin:0 auto}
.article h1,.wrap h1{font-size:32px;line-height:1.28;margin:0 0 18px;color:#F7F3F1}
.article h2,.section h2{font-size:21px;line-height:1.35;margin:26px 0 14px;color:#F7F3F1;padding-left:10px;border-left:4px solid #B4232C}
p,li{font-size:16.5px;line-height:1.85}
.muted,.note{font-size:14px;color:#A38E8C}
.panel{background:#1A1A1A;border:1px solid rgba(180,35,44,.32);border-radius:4px;box-shadow:0 10px 24px rgba(0,0,0,.32);padding:20px}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:4px;background:#1A1A1A;aspect-ratio:16/9}
.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}
.media.content{height:200px;aspect-ratio:auto}
.media.compact{height:158px;aspect-ratio:auto}
.hero-poster{width:min(880px,calc(100% - 36px));height:176px;margin:28px auto 0}
.hero-poster img{loading:eager}
.placeholder{display:flex;align-items:center;justify-content:center;width:100%;height:100%;background:#171717}
.topic-rows{display:grid;gap:10px;margin-top:24px}
.topic-row{display:grid;grid-template-columns:120px 1fr;gap:16px;padding:14px 16px;background:#1A1A1A;border:1px solid rgba(180,35,44,.22);border-radius:4px}
.topic-row a{font-weight:700;text-decoration:none}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.link-line{display:flex;gap:16px;flex-wrap:wrap;font-size:14px}
.index-queen{margin-top:24px}
.clean-list{padding-left:20px}
.index-note{margin-top:18px}
.site-footer{background:#070707;border-top:1px solid #B4232C;margin-top:38px}
.footer-grid{display:grid;grid-template-columns:1.2fr 1fr 1fr;gap:28px;padding:28px 0}
.footer-grid h2{font-size:17px;margin:0 0 10px}
.footer-brand img{height:34px;width:auto;max-width:140px;object-fit:contain;vertical-align:middle;margin-right:10px}
.footer-brand strong{vertical-align:middle}
.footer-grid p{font-size:14px;color:#E4D4D2;line-height:1.7;margin:10px 0 0}
.footer-bottom{font-size:13px;color:#A38E8C;border-top:1px solid rgba(180,35,44,.26);padding:14px 0 18px}
.to-top{position:fixed;right:18px;bottom:18px;width:72px;height:32px;border:0;border-radius:4px;background:#B4232C;color:#fff;z-index:8000;cursor:pointer}
.mobile-bottom{display:none}
.drawer-open{overflow:hidden}
.drawer-top{display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid rgba(180,35,44,.35)}
.drawer-close,.menu-btn{background:transparent;border:0;color:#F4D7D7;font-size:14px;padding:8px;cursor:pointer}
.drawer-links{padding:8px 0 24px}
.drawer-links a{display:block;padding:11px 18px;color:#F7F3F1;text-decoration:none;font-size:16px;border-left:3px solid transparent}
.drawer-links a.is-current{color:#fff;border-left-color:#B4232C;background:#181818}
.index-copy{margin-top:20px}
.kv{display:grid;grid-template-columns:160px 1fr;gap:10px 18px}
.kv div{padding:10px 0;border-bottom:1px solid rgba(180,35,44,.18)}
.steps{counter-reset:step;list-style:none;padding:0}
.steps li{counter-increment:step;padding:12px 0 12px 44px;position:relative;border-bottom:1px solid rgba(180,35,44,.18)}
.steps li:before{content:counter(step);position:absolute;left:0;top:13px;width:28px;height:28px;border-radius:50%;display:grid;place-items:center;background:#B4232C;color:#fff;font-weight:700}
.faq-item{padding:18px 0;border-bottom:1px solid rgba(180,35,44,.22)}
.faq-item h2{margin:0 0 8px}
@media(max-width:980px){
  .desktop-header{display:none}
  .mobile-header{display:flex;min-height:54px;height:54px;padding:0 14px}
  .mobile-header>*{flex:1}
  .mobile-logo{display:flex;justify-content:center}
  .menu-btn{text-align:left}
  .mobile-reg{justify-self:end;margin-left:auto;max-width:76px;min-width:70px;height:38px}
  .mobile-drawer{display:block;position:fixed;inset:0 0 0 auto;width:min(82vw,300px);background:#141414;z-index:12000;transform:translateX(105%);transition:transform .2s ease;box-shadow:-18px 0 40px rgba(0,0,0,.45);overflow-y:auto}
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-mask{display:none;position:fixed;inset:0;background:rgba(0,0,0,.55);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}
  .drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}
  .to-top{display:none}
  .mobile-bottom{position:fixed;display:grid;grid-template-columns:repeat(4,1fr);left:0;right:0;bottom:0;height:52px;background:#0A0A0A;border-top:1px solid #B4232C;z-index:9000}
  .mobile-bottom a{display:flex;align-items:center;justify-content:center;color:#F7F3F1;text-decoration:none;font-size:13px}
  body{padding-bottom:60px}
  .article h1,.wrap h1{font-size:27px}
  .article h2,.section h2{font-size:19px}
  .hero,.section{padding:24px 0}
  .hero-poster{height:118px;margin-top:20px}
  .topic-row{grid-template-columns:1fr;gap:5px}
  .two-col,.footer-grid{grid-template-columns:1fr}
  .kv{grid-template-columns:1fr}
}
@media(max-width:430px){
  .wrap,.article{width:min(100% - 28px,740px)}
  p,li{font-size:16px}
  .panel{padding:16px}
}