*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#0C0A0A;color:#F6F1EC;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}
body.drawer-open{overflow:hidden}
a{color:#F6F1EC;text-underline-offset:3px}
a:hover{color:#fff}
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-placeholder{display:block;width:132px;height:32px;border:1px solid rgba(200,16,46,.35);background:#1C1214;border-radius:6px}
.nav-core{display:flex;align-items: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;white-space:nowrap}
.main-btn:hover{background:#9E1026;color:#FFFFFF}
.mobile-header{display:none}
.index-strip{height:42px;background:#1A0C10;border-bottom:1px solid rgba(200,16,46,.28)}
.index-strip-inner{max-width:1120px;height:42px;margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:18px;overflow-x:auto;scrollbar-width:none}
.index-strip-inner::-webkit-scrollbar{display:none}
.index-strip a{height:42px;display:inline-flex;align-items:center;color:#E7D5D5;text-decoration:none;white-space:nowrap;font-size:14px;border-bottom:2px solid transparent}
.index-strip a:hover,.index-strip a.is-current{color:#fff;border-bottom-color:#C8102E}
.mobile-drawer,.drawer-mask{display:none}
.site-main{min-height:60vh}
.page-shell{max-width:1120px;margin:0 auto;padding:36px 16px 48px}
.reading{max-width:760px;margin-left:auto;margin-right:auto}
.breadcrumb{font-size:14px;color:#A89290;margin-bottom:18px}
.breadcrumb a{color:#E7D5D5;text-decoration:none}
h1{font-size:34px;line-height:1.25;margin:0 0 24px;color:#F6F1EC;position:relative;padding-bottom:14px}
h1:after{content:"";position:absolute;left:0;bottom:0;width:48px;height:3px;background:#C8102E}
h2{font-size:22px;line-height:1.4;margin:0 0 14px;color:#F6F1EC}
h3{font-size:18px;margin:0 0 10px;color:#F6F1EC}
p,li{font-size:17px;line-height:1.8;color:#F6F1EC}
.muted,.note{font-size:14px;line-height:1.7;color:#A89290}
.lead{font-size:17px;line-height:1.9;color:#E7D5D5;margin:0}
.section{margin-top:34px}
.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{height:164px;aspect-ratio:auto}
.media.story-media{height:212px;aspect-ratio:auto}
.media.poster-media{max-width:960px;height:184px;aspect-ratio:auto;margin:0 auto}
.media-placeholder{width:100%;height:100%;background:#151012;border:1px solid rgba(200,16,46,.22)}
.split{display:grid;grid-template-columns:62fr 38fr;gap:24px;align-items:start}
.link-stack{display:grid;gap:10px}
.link-stack a,.related-links a{display:block;padding:12px 14px;border:1px solid rgba(200,16,46,.35);border-radius:6px;text-decoration:none;background:#140D0F}
.link-stack a:hover,.related-links a:hover{border-color:#C8102E;background:#1A0C10}
.redline-note{border-top:1px solid #C8102E;border-bottom:1px solid #C8102E;padding:16px 0;color:#E7D5D5;font-size:16px;line-height:1.75}
.three-col{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.two-col{display:grid;grid-template-columns:repeat(2,1fr);gap:22px}
.step-list{counter-reset:steps;list-style:none;padding:0;margin:0;display:grid;gap:12px}
.step-list li{counter-increment:steps;background:#1C1214;border-left:3px solid #C8102E;padding:14px 16px;border-radius:0 8px 8px 0}
.step-list li:before{content:counter(steps) ". ";color:#fff;font-weight:700}
.clean-list{margin:0;padding-left:22px}
.related-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.compare{width:100%;border-collapse:collapse;background:#1C1214;border-radius:8px;overflow:hidden}
.compare th,.compare td{border-bottom:1px solid rgba(200,16,46,.25);padding:13px;text-align:left;vertical-align:top;font-size:15px;line-height:1.6}
.compare th{color:#fff;background:#160A0C}
.compare td{color:#E7D5D5}
.kicker{display:inline-block;color:#E7D5D5;font-size:14px;border-left:3px solid #C8102E;padding-left:10px;margin-bottom:12px}
.age-note{background:#160A0C;border:1px solid rgba(200,16,46,.35);padding:16px 18px;border-radius:8px;color:#E7D5D5}
.faq-list{display:grid;gap:16px}
.faq-item{background:#1C1214;border:1px solid rgba(200,16,46,.35);border-radius:8px;padding:18px}
.faq-item p{margin-bottom:0}
.site-footer{background:#080606;border-top:1px solid #C8102E;color:#F3E6E6}
.footer-grid{max-width:1120px;margin:0 auto;padding:34px 16px;display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:24px}
.footer-grid h2{font-size:16px;margin-bottom:12px}
.footer-grid a{display:block;color:#F3E6E6;text-decoration:none;margin:8px 0;font-size:14px}
.footer-grid p{font-size:14px;color:#C9B9B9;line-height:1.7}
.footer-bottom{border-top:1px solid rgba(200,16,46,.35);max-width:1120px;margin:0 auto;padding:16px}
.footer-bottom p{font-size:13px;color:#C9B9B9;margin:4px 0}
.back-top{position:fixed;right:20px;bottom:20px;width:40px;height:40px;border-radius:50%;border:0;background:#C8102E;color:#fff;font-size:19px;z-index:8000;cursor:pointer}
.mobile-bottom{display:none}
.inline-links{display:flex;gap:14px;flex-wrap:wrap}
.inline-links a{font-weight:700}
.compact-index{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
.compact-index a{padding:11px 12px;background:#1C1214;border-left:3px solid #C8102E;text-decoration:none}
@media(max-width:980px){
  .desktop-header,.index-strip{display:none}
  .mobile-header{height:56px;padding:0 14px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;background:#12080A}
  .mobile-header .site-logo{justify-self:center}
  .mobile-logo img{height:32px;max-width:132px}
  .menu-toggle,.drawer-close{border:0;background:transparent;color:#F2D6D6;font-size:15px;padding:9px 0;cursor:pointer}
  .menu-toggle{justify-self:start}
  .mobile-login{justify-self:end;color:#fff;text-decoration:none;font-size:15px;font-weight:700}
  .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-bottom:24px;
  }
  .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-top{min-height:64px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid rgba(200,16,46,.35)}
  .drawer-top .site-logo img{height:32px;max-width:132px}
  .drawer-group{padding:16px}
  .drawer-group strong{display:block;color:#C9A0A6;font-size:12px;margin-bottom:8px}
  .drawer-group a{display:block;color:#F6F1EC;font-size:16px;text-decoration:none;padding:9px 10px;border-left:3px solid transparent}
  .drawer-group a.is-current{border-left-color:#C8102E;background:#1C1214}
  .site-main{padding-bottom:62px}
  .page-shell{padding:28px 15px 36px}
  h1{font-size:28px}
  h2{font-size:20px}
  .split,.three-col,.two-col,.related-links,.footer-grid{grid-template-columns:1fr}
  .section{margin-top:28px}
  .media.poster-media{height:124px}
  .media.story-media{height:204px}
  .footer-grid{padding:28px 16px}
  .back-top{display:none}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;height:54px;background:#0A0607;border-top:1px solid #C8102E;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr)}
  .mobile-bottom a{display:flex;align-items:center;justify-content:center;text-decoration:none;color:#F6F1EC;font-size:14px}
}
@media(max-width:430px){
  .mobile-header{padding:0 12px}
  .page-shell{padding-left:14px;padding-right:14px}
  p,li{font-size:16px}
  .panel{padding:18px}
  .compare th,.compare td{padding:10px;font-size:14px}
}