*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{margin:0;background:#0E0E0E;color:#F7F1DE;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.8;overflow-x:hidden}
a{color:inherit}
img{max-width:100%}
button{font:inherit}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#111111;border-bottom:1px solid rgba(232,184,74,.28);box-shadow:0 8px 22px rgba(0,0,0,.35)}
.header-inner{max-width:1140px;min-height:66px;margin:0 auto;padding:0 16px;display:flex;align-items:center;justify-content:space-between;gap:12px}
.site-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center;text-decoration:none;flex:0 0 auto}
.site-logo img{display:block;height:38px;width:auto;max-width:156px;object-fit:contain}
.logo-fallback{display:inline-flex;min-width:96px;height:38px;align-items:center;justify-content:center;border:1px solid rgba(232,184,74,.2);border-radius:8px;background:#1C1C1C}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;min-width:0}
.nav-core a{color:#F3E6C4;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap}
.nav-core a.is-current,.nav-core a:hover{color:#111111;background:#E8B84A;border-radius:999px}
.main-btn{display:inline-flex;align-items:center;justify-content:center;height:40px;min-width:92px;padding:0 18px;background:linear-gradient(180deg,#F6D56A 0%,#E8B84A 55%,#C8962E 100%);color:#14110A;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 8px 18px rgba(200,150,46,.28);white-space:nowrap}
.main-btn:hover{background:#C8962E}
.menu-button{display:none;border:0;background:transparent;color:#E8B84A;font-weight:800;padding:8px 0;cursor:pointer}
.channel-bar{background:#1A1A1A;border-top:1px solid rgba(232,184,74,.1)}
.channel-inner{max-width:1140px;margin:0 auto;display:flex;gap:2px;overflow-x:auto;padding:7px 16px;scrollbar-width:thin}
.channel-inner a{color:#C9BBA0;text-decoration:none;white-space:nowrap;padding:5px 8px;font-size:14px}
.channel-inner a:hover,.channel-inner a.is-current{color:#E8B84A}
.site-main{min-height:60vh;padding-bottom:28px}
.wrap{width:min(1140px,calc(100% - 32px));margin:0 auto}
.reading{width:min(800px,calc(100% - 32px));margin:0 auto}
.breadcrumb{font-size:14px;color:#8E8372;margin:24px 0 12px}
.breadcrumb a{color:#C9BBA0;text-decoration:none}
.page-hero{padding:18px 0 16px}
.page-hero h1{font-size:clamp(28px,4vw,40px);line-height:1.25;margin:0 0 12px;color:#E8B84A;letter-spacing:.01em}
.page-hero p{margin:0;color:#C9BBA0;font-size:17px}
.section{padding:30px 0}
.section + .section{border-top:1px solid rgba(232,184,74,.14)}
.section h2{font-size:clamp(22px,3vw,30px);line-height:1.35;color:#E8B84A;margin:0 0 14px}
.section p{font-size:17px;margin:0 0 14px}
.section ul,.section ol{margin:10px 0 0;padding-left:1.35em;color:#F7F1DE}
.section li{margin:7px 0}
.notice-line{margin:30px auto;padding:18px 22px;border-top:1px solid #E8B84A;border-bottom:1px solid #E8B84A;color:#E7D7B0;text-align:center;letter-spacing:.02em}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:12px;background:#1C1C1C;aspect-ratio:16/9;border:1px solid rgba(232,184,74,.12)}
.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}
.media-placeholder{position:absolute;inset:0;background:linear-gradient(135deg,#151515,#1C1C1C);display:block}
.media-wide{height:clamp(190px,25vw,230px);aspect-ratio:auto}
.poster-grid .media{height:clamp(160px,18vw,200px);aspect-ratio:auto}
.topic-media{height:clamp(190px,25vw,230px);aspect-ratio:auto}
.poster-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;padding:24px 0 14px}
.index-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.index-card{background:#1C1C1C;border:1px solid rgba(232,184,74,.22);border-radius:13px;padding:18px;text-decoration:none;min-height:118px}
.index-card strong{display:block;color:#E8B84A;font-size:18px;margin-bottom:5px}
.index-card span{color:#C9BBA0;font-size:14px}
.stack-story{display:grid;gap:18px}
.app-strip{display:grid;grid-template-columns:1.15fr .85fr;gap:22px;align-items:center;background:#151515;border:1px solid rgba(232,184,74,.18);border-radius:14px;padding:22px}
.app-strip h2{margin-top:0;color:#E8B84A}
.text-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.text-links a{display:inline-flex;align-items:center;min-height:38px;padding:6px 11px;border:1px solid rgba(232,184,74,.22);border-radius:10px;color:#E7D7B0;text-decoration:none;background:#171717}
.text-links a:hover{border-color:#E8B84A;color:#E8B84A}
.split{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:28px;align-items:start}
.split.reverse{grid-template-columns:minmax(0,1.1fr) minmax(0,.9fr)}
.steps{counter-reset:item;display:grid;gap:12px;margin-top:14px}
.step{position:relative;padding:14px 16px 14px 50px;background:#171717;border:1px solid rgba(232,184,74,.18);border-radius:12px}
.step:before{counter-increment:item;content:counter(item);position:absolute;left:14px;top:13px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#E8B84A;color:#111;font-weight:800}
.mini-columns{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.mini-columns article{background:#171717;border:1px solid rgba(232,184,74,.16);border-radius:12px;padding:16px}
.mini-columns h3{margin:0 0 8px;color:#E8B84A}
.faq-list{display:grid;gap:14px}
.faq-item{background:#171717;border:1px solid rgba(232,184,74,.18);border-radius:12px;padding:18px}
.faq-item h2{font-size:20px;margin-bottom:8px}
.faq-item p{margin:0;color:#E7D7B0}
.site-footer{background:#070707;border-top:1px solid #E8B84A;padding:38px 0 18px;margin-top:24px}
.footer-grid{width:min(1140px,calc(100% - 32px));margin:0 auto;display:grid;grid-template-columns:1.35fr repeat(3,1fr);gap:24px}
.footer-grid h3{font-size:17px;color:#E8B84A;margin:0 0 10px}
.footer-grid a{display:block;color:#E7D7B0;text-decoration:none;margin:5px 0}
.footer-grid p{color:#C9BBA0;font-size:14px}
.footer-logo img{height:38px;width:auto;max-width:156px;object-fit:contain}
.footer-bottom{width:min(1140px,calc(100% - 32px));margin:24px auto 0;padding-top:16px;border-top:1px solid rgba(232,184,74,.2);color:#8E8372;font-size:13px}
.footer-bottom p{margin:5px 0}
.desktop-float{position:fixed;right:10px;top:38%;z-index:8000;display:flex;flex-direction:column;width:104px;background:#0B0B0B;border:1px solid rgba(232,184,74,.28);border-radius:12px;overflow:hidden}
.desktop-float a{padding:9px 8px;text-align:center;text-decoration:none;color:#E8B84A;border-bottom:1px solid rgba(232,184,74,.14);font-size:13px}
.desktop-float a:last-child{border-bottom:0}
.desktop-float .float-main{background:#E8B84A;color:#111;font-weight:800}
.mobile-bottom{display:none}
.mobile-drawer,.drawer-mask{display:none}
body.drawer-open{overflow:hidden}

@media(max-width:1180px){
  .desktop-float{right:4px;width:92px}
  .wrap{width:min(1040px,calc(100% - 32px))}
}
@media(max-width:980px){
  .header-inner{min-height:62px;display:grid;grid-template-columns:84px 1fr 102px;gap:8px}
  .menu-button{display:inline-flex;justify-self:start}
  .site-logo{justify-self:center;min-width:0}
  .site-logo img{height:34px;max-width:132px}
  .header-action{justify-self:end;min-width:90px;padding:0 13px}
  .nav-core,.channel-bar,.desktop-float{display:none}
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .index-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split,.split.reverse{grid-template-columns:1fr}
  .mobile-drawer{
    display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#161616;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}
  .drawer-head{position:sticky;top:0;background:#161616;display:flex;align-items:center;justify-content:space-between;padding:14px;border-bottom:1px solid rgba(232,184,74,.22)}
  .drawer-logo img{height:34px;width:auto;max-width:138px;object-fit:contain}
  .drawer-close{border:1px solid rgba(232,184,74,.35);background:#111;color:#E8B84A;border-radius:9px;padding:7px 10px}
  .drawer-nav{padding:8px 14px 30px}
  .drawer-group{padding:12px 0;border-bottom:1px solid rgba(232,184,74,.12)}
  .drawer-group h3{font-size:13px;color:#8E8372;margin:0 0 8px}
  .drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:7px}
  .drawer-links a{color:#E7D7B0;text-decoration:none;padding:7px 4px}
  .mobile-bottom{position:fixed;z-index:9000;left:0;right:0;bottom:0;display:grid;grid-template-columns:repeat(4,1fr);background:#0C0C0C;border-top:1px solid #E8B84A;padding-bottom:env(safe-area-inset-bottom)}
  .mobile-bottom a{text-align:center;text-decoration:none;color:#E7D7B0;padding:10px 4px;font-size:14px}
  .site-main{padding-bottom:72px}
  .site-footer{padding-bottom:82px}
}
@media(max-width:640px){
  .header-inner{grid-template-columns:72px 1fr 94px;padding:0 12px}
  .header-action{height:38px;min-width:86px;padding:0 10px;font-size:14px}
  .site-logo img{height:31px;max-width:118px}
  .wrap,.reading{width:calc(100% - 28px)}
  .page-hero{padding-top:14px}
  .page-hero h1{font-size:28px}
  .section{padding:24px 0}
  .section p{font-size:16px;line-height:1.82}
  .poster-grid{grid-template-columns:1fr}
  .poster-grid .media{height:clamp(120px,34vw,150px)}
  .index-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .index-card{padding:14px;min-height:112px}
  .app-strip{grid-template-columns:1fr;padding:16px}
  .app-strip .media{order:-1}
  .mini-columns{grid-template-columns:1fr}
  .text-links{gap:8px}
  .text-links a{font-size:14px}
}
@media(max-width:380px){
  .header-inner{grid-template-columns:62px 1fr 88px;padding:0 10px}
  .menu-button{font-size:14px}
  .site-logo img{max-width:104px}
  .logo-fallback{min-width:82px;font-size:14px}
  .header-action{min-width:82px;font-size:13px}
}

.subhead{font-size:20px;color:#E8B84A;margin:0 0 12px}
.faq-item h3{font-size:19px;line-height:1.4;color:#E8B84A;margin:0 0 8px}