*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:#0C0A0A;color:#F6F1EC;
  font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:17px;line-height:1.8;overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
a{color:#F3E6E6}
img{max-width:100%}
.site-header{
  position:sticky;top:0;z-index:9999;width:100%;
  background:#12080A;border-bottom:1px solid rgba(200,16,46,.45);
  box-shadow:0 8px 22px rgba(0,0,0,.4)
}
.header-inner{
  max-width:1120px;min-height:64px;margin:0 auto;padding:0 16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px
}
.site-logo{display:inline-flex;align-items:center;flex:0 0 auto}
.site-logo img{display:block;height:36px;width:auto;max-width:148px;object-fit:contain}
.logo-fallback{display:block;width:132px;height:36px;border-radius:6px;background:#1C1214;border:1px solid rgba(200,16,46,.35)}
.nav-core{display:flex;align-items:center;justify-content:center;gap:4px;min-width:0}
.nav-core a{
  color:#F6F1EC;padding:8px 12px;font-weight:700;text-decoration:none;
  white-space:nowrap;font-size:15px
}
.nav-core a.is-current,.nav-core a:hover{color:#FFFFFF;background:#C8102E;border-radius:6px}
.main-btn{
  display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:92px;padding:0 16px;
  background:#C8102E;color:#FFFFFF;border-radius:6px;text-decoration:none;font-weight:700;border:1px solid #E23B4A
}
.main-btn:hover{background:#9E1026;color:#FFFFFF}
.mobile-top{display:none}
.index-strip{height:42px;background:#1A0C10;border-bottom:1px solid rgba(200,16,46,.25)}
.index-strip-inner{
  max-width:1120px;height:42px;margin:0 auto;padding:0 16px;display:flex;align-items:center;
  gap:20px;overflow-x:auto;white-space:nowrap;scrollbar-width:thin
}
.index-strip a{height:42px;display:inline-flex;align-items:center;color:#E7D5D5;text-decoration:none;font-size:14px;border-bottom:2px solid transparent}
.index-strip a:hover,.index-strip a.is-current{color:#FFFFFF;border-bottom-color:#C8102E}
.mobile-drawer,.drawer-mask{display:none}
.site-main{max-width:1120px;margin:0 auto;padding:20px 16px 48px}
.breadcrumb{display:flex;gap:8px;align-items:center;color:#A89290;font-size:14px;margin:0 0 20px;overflow-wrap:anywhere}
.breadcrumb a{color:#E7D5D5;text-decoration:none}
.reading,.article{max-width:760px;margin-left:auto;margin-right:auto}
.page-head{margin:10px auto 28px}
h1,h2,h3{margin-top:0;color:#F6F1EC;line-height:1.35}
h1{font-size:34px;margin-bottom:20px;position:relative;padding-bottom:13px}
h1:after{content:"";display:block;width:48px;height:3px;background:#C8102E;position:absolute;left:0;bottom:0}
h2{font-size:22px;margin-bottom:12px}
h3{font-size:18px}
p{margin:0 0 16px;color:#E7D5D5}
.lead{font-size:18px;color:#F6F1EC}
.note{font-size:14px;color:#A89290}
.section{margin:32px 0}
.panel{
  background:#1C1214;border:1px solid rgba(200,16,46,.35);border-radius:8px;
  padding:22px;box-shadow:0 12px 28px rgba(0,0,0,.35)
}
.media{
  position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:8px;background:#1C1214;
  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-media{max-height:168px}
.media.feature-media{max-height:220px}
.media.hero-media{max-width:960px;margin:0 auto;max-height:200px}
.media-placeholder{position:absolute;inset:0;background:#141011;border:1px solid rgba(200,16,46,.18);border-radius:8px}
.home-intro{max-width:760px;margin:10px auto 28px}
.home-split{display:grid;grid-template-columns:62fr 38fr;gap:24px;align-items:start}
.link-stack{display:grid;gap:10px}
.text-link{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;background:#1C1214;border-left:3px solid #C8102E;border-radius:6px;
  text-decoration:none;color:#F6F1EC
}
.text-link:hover{background:#25171a}
.red-rule-note{border-top:2px solid #C8102E;border-bottom:1px solid rgba(200,16,46,.35);padding:14px 0;color:#E7D5D5}
.three-cols{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.mini-col{padding:20px;background:#1C1214;border:1px solid rgba(200,16,46,.35);border-radius:8px}
.mini-col a{font-weight:700;text-decoration:none;color:#FFFFFF}
.related{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.related a{padding:8px 12px;border:1px solid rgba(200,16,46,.35);border-radius:6px;text-decoration:none;background:#140d0f}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:20px}
.steps{counter-reset:step;display:grid;gap:12px}
.step{position:relative;padding:16px 16px 16px 54px;background:#1C1214;border-radius:8px;border:1px solid rgba(200,16,46,.28)}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:17px;width:25px;height:25px;border-radius:50%;background:#C8102E;color:#fff;display:grid;place-items:center;font-size:14px;font-weight:700}
.clean-list{margin:0;padding-left:22px;color:#E7D5D5}
.clean-list li{margin:8px 0}
.compare{width:100%;border-collapse:collapse;background:#1C1214;border-radius:8px;overflow:hidden}
.compare th,.compare td{padding:12px 14px;text-align:left;border-bottom:1px solid rgba(200,16,46,.24);vertical-align:top}
.compare th{color:#FFFFFF;background:#170d0f}
.compare td{color:#E7D5D5}
.directory{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}
.directory a{display:block;padding:14px;background:#1C1214;border:1px solid rgba(200,16,46,.28);border-radius:8px;text-decoration:none}
.faq-list{display:grid;gap:16px}
.faq-item{background:#1C1214;border-left:3px solid #C8102E;border-radius:8px;padding:18px}
.faq-item h2{font-size:19px;margin-bottom:8px}
.site-footer{background:#080606;border-top:1px solid #C8102E;color:#F3E6E6}
.footer-inner{max-width:1120px;margin:0 auto;padding:34px 16px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:26px}
.footer-inner h2{font-size:16px;margin-bottom:10px}
.footer-inner a{display:block;text-decoration:none;color:#E7D5D5;font-size:14px;margin:5px 0}
.footer-brand p{font-size:14px;color:#A89290;margin-top:12px}
.footer-legal{max-width:1120px;margin:0 auto;padding:14px 16px 22px;border-top:1px solid rgba(200,16,46,.25);font-size:13px;color:#A89290}
.back-top{
  position:fixed;right:20px;bottom:20px;width:40px;height:40px;border-radius:50%;border:1px solid #E23B4A;
  background:#C8102E;color:#FFFFFF;z-index:9000;cursor:pointer;font-size:18px
}
.mobile-bottom{display:none}

@media(max-width:980px){
  body{padding-bottom:62px}
  .desktop-top,.index-strip{display:none}
  .mobile-top{display:flex;min-height:56px;height:56px;padding:0 14px}
  .mobile-logo{position:absolute;left:50%;transform:translateX(-50%)}
  .mobile-logo img{height:32px;max-width:132px}
  .menu-button,.mobile-login,.drawer-close{
    border:0;background:transparent;color:#F2D6D6;font-size:15px;text-decoration:none;padding:8px 2px;cursor:pointer
  }
  .mobile-login{margin-left:auto}
  .mobile-drawer{
    display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#160A0C;z-index:12000;
    transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(0,0,0,.45);
    overflow-y:auto;padding:12px 0 26px
  }
  .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}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:6px 16px 14px;border-bottom:1px solid rgba(200,16,46,.28)}
  .drawer-group{padding:13px 14px 2px}
  .drawer-title{font-size:12px;color:#C9A0A6;margin-bottom:6px}
  .drawer-group a{display:block;padding:9px 10px;color:#F6F1EC;text-decoration:none;font-size:16px;border-left:3px solid transparent}
  .drawer-group a.is-current{border-left-color:#C8102E;background:#1C1214}
  .site-main{padding-top:16px}
  h1{font-size:28px}
  h2{font-size:20px}
  .home-split,.two-col,.three-cols,.footer-inner{grid-template-columns:1fr}
  .home-split{gap:18px}
  .directory{grid-template-columns:1fr}
  .media.hero-media{max-height:136px}
  .media.feature-media{max-height:210px}
  .back-top{display:none}
  .mobile-bottom{
    display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;height:54px;
    background:#0A0607;border-top:1px solid #C8102E;z-index:10000
  }
  .mobile-bottom a{display:grid;place-items:center;color:#F3E6E6;text-decoration:none;font-size:14px}
}
@media(max-width:430px){
  .site-main{padding-left:14px;padding-right:14px}
  .mobile-logo img{max-width:118px}
  .panel{padding:18px}
}