*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#0E0E0E}
body{margin:0;background:#0E0E0E;color:#F7F1DE;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}
a{color:inherit}
img,svg,video{max-width:100%}
body.drawer-open{overflow:hidden}
.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;justify-content:center;text-decoration:none}
.site-logo img{display:block;height:38px;width:auto;max-width:156px;object-fit:contain}
.drawer-logo img,.footer-logo img{display:block;height:36px;width:auto;max-width:150px;object-fit:contain}
.logo-placeholder{display:block;width:142px;height:36px;border-radius:9px;background:#1C1C1C;border:1px solid rgba(232,184,74,.22)}
.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-toggle{display:none;background:transparent;border:0;color:#E8B84A;font:inherit;font-weight:700;padding:8px 4px}
.channel-bar{background:#1A1A1A;border-bottom:1px solid rgba(232,184,74,.16)}
.channel-inner{max-width:1140px;margin:0 auto;padding:0 16px;display:flex;align-items:center;overflow-x:auto;scrollbar-width:thin}
.channel-inner a{flex:0 0 auto;color:#C9BBA0;text-decoration:none;padding:12px 10px;font-size:14px;white-space:nowrap}
.channel-inner a:hover,.channel-inner a.is-current{color:#E8B84A}
.mobile-drawer,
.drawer-mask{display:none}
.site-main{width:100%;padding-right:56px}
.container{width:min(1140px,calc(100% - 32px));margin:0 auto}
.reading{width:min(820px,100%);margin-left:auto;margin-right:auto}
.section{padding:42px 0}
.section-tight{padding:28px 0}
.breadcrumb{margin:22px 0 0;color:#8E8372;font-size:14px}
.breadcrumb a{color:#C9BBA0;text-decoration:none}
.eyebrow{color:#E8B84A;font-size:14px;font-weight:700;letter-spacing:.08em;margin:0 0 8px}
h1{font-size:clamp(32px,4vw,42px);line-height:1.2;margin:0 0 18px;color:#E8B84A}
h2{font-size:24px;line-height:1.35;margin:0 0 14px;color:#E8B84A}
h3{font-size:18px;line-height:1.45;margin:0 0 8px;color:#F7F1DE}
p,li{font-size:17px;line-height:1.82;color:#F7F1DE}
p{margin:0 0 16px}
.muted{color:#C9BBA0}
.note{border-left:3px solid #E8B84A;background:#171717;border-radius:0 12px 12px 0;padding:18px 20px;color:#E7D7B0}
.gold-line{border-top:1px solid #E8B84A;border-bottom:1px solid rgba(232,184,74,.22);padding:20px 0;color:#E7D7B0}
.panel{background:#1C1C1C;border:1px solid rgba(232,184,74,.22);border-radius:14px;padding:22px;box-shadow:0 14px 32px rgba(0,0,0,.35)}
.grid-2,.grid-3,.index-grid{display:grid;gap:18px}
.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}
.grid-3,.index-grid{grid-template-columns:repeat(3,minmax(0,1fr))}
.index-link{display:block;text-decoration:none;background:#1C1C1C;border:1px solid rgba(232,184,74,.22);border-radius:13px;padding:18px;min-height:108px}
.index-link strong{display:block;color:#E8B84A;font-size:18px;margin-bottom:6px}
.index-link span{color:#C9BBA0;line-height:1.65;font-size:14px}
.index-link:hover{border-color:#E8B84A;transform:translateY(-1px)}
.link-list{display:grid;gap:10px}
.link-list a,.related-links a{color:#E7D7B0;text-decoration:none;border-bottom:1px solid rgba(232,184,74,.18);padding:10px 0}
.link-list a:hover,.related-links a:hover{color:#E8B84A}
.related-links{display:flex;flex-wrap:wrap;gap:10px 18px;margin-top:18px}
.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,.16)}
.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:#1C1C1C}
.hero-media{max-width:1040px;height:clamp(170px,20vw,220px);aspect-ratio:auto;margin:0 auto}
.feature-media{height:clamp(190px,24vw,230px);aspect-ratio:auto}
.card-media{height:160px;aspect-ratio:auto}
.stack-media{margin-bottom:18px}
.app-strip{display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center;background:#161616;border:1px solid rgba(232,184,74,.22);border-radius:14px;padding:22px}
.app-strip .media{height:190px;aspect-ratio:auto}
.steps{counter-reset:step;display:grid;gap:14px;margin:18px 0 0;padding:0;list-style:none}
.steps li{position:relative;padding:16px 16px 16px 54px;background:#171717;border:1px solid rgba(232,184,74,.18);border-radius:12px}
.steps li:before{counter-increment:step;content:counter(step);position:absolute;left:16px;top:16px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#E8B84A;color:#111;font-weight:700}
.faq-list{display:grid;gap:16px}
.faq-item{background:#1C1C1C;border:1px solid rgba(232,184,74,.2);border-radius:14px;padding:22px}
.faq-item h2{font-size:20px}
.table-like{display:grid;grid-template-columns:180px 1fr;border:1px solid rgba(232,184,74,.2);border-radius:12px;overflow:hidden}
.table-like div{padding:14px 16px;border-bottom:1px solid rgba(232,184,74,.14)}
.table-like div:nth-last-child(-n+2){border-bottom:0}
.table-like .label{background:#171717;color:#E8B84A;font-weight:700}
.site-footer{background:#070707;border-top:1px solid #E8B84A;color:#E7D7B0;padding:38px 16px 96px}
.footer-grid{max-width:1140px;margin:0 auto;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:26px}
.site-footer h2{font-size:16px;margin:0 0 12px}
.site-footer p{font-size:14px;color:#C9BBA0}
.site-footer section>a:not(.footer-logo){display:block;color:#E7D7B0;text-decoration:none;padding:5px 0;font-size:14px}
.footer-bottom{max-width:1140px;margin:26px auto 0;padding-top:18px;border-top:1px solid rgba(232,184,74,.18);font-size:13px;line-height:1.7;color:#8E8372}
.side-float{position:fixed;right:10px;top:42%;z-index:8000;width:52px;background:#0C0C0C;border:1px solid rgba(232,184,74,.25);border-radius:12px;overflow:hidden;box-shadow:0 14px 32px rgba(0,0,0,.35)}
.side-float a{display:block;padding:10px 6px;color:#E8B84A;text-decoration:none;font-size:12px;line-height:1.35;text-align:center;border-bottom:1px solid rgba(232,184,74,.14)}
.side-float a:last-child{border-bottom:0}
.side-float a.is-primary{background:#E8B84A;color:#111}
.mobile-bottom{display:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid rgba(232,184,74,.18)}
.drawer-close{border:1px solid rgba(232,184,74,.4);background:#111;color:#E8B84A;border-radius:999px;padding:7px 11px}
.drawer-groups{padding:8px 16px 28px;overflow-y:auto;height:calc(100vh - 70px)}
.drawer-groups section{padding:14px 0;border-bottom:1px solid rgba(232,184,74,.12)}
.drawer-groups h2{font-size:14px;margin:0 0 8px;color:#E8B84A}
.drawer-groups a{display:block;text-decoration:none;color:#F7F1DE;padding:8px 0;font-size:15px}
@media(max-width:980px){
  .site-main{padding-right:0;padding-bottom:64px}
  .header-inner{display:grid;grid-template-columns:72px minmax(0,1fr) 92px;gap:8px;min-height:62px;padding:0 12px}
  .menu-toggle{display:block;justify-self:start}
  .site-logo{justify-self:center;min-width:0}
  .site-logo img{height:34px;max-width:132px}
  .header-action{justify-self:end;height:38px;min-width:84px;padding:0 12px;font-size:14px}
  .nav-core,.channel-bar,.side-float{display:none}
  .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)}
  .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}
  .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{padding:12px 4px;text-align:center;text-decoration:none;color:#E7D7B0;font-size:13px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:680px){
  .container{width:min(100% - 24px,1140px)}
  .section{padding:30px 0}
  .section-tight{padding:22px 0}
  h1{font-size:clamp(26px,8vw,32px)}
  h2{font-size:21px}
  p,li{font-size:16px;line-height:1.78}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .index-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .index-link{min-height:104px;padding:15px}
  .hero-media{height:clamp(112px,34vw,150px)}
  .feature-media{height:190px}
  .app-strip{grid-template-columns:1fr;padding:16px}
  .app-strip .media{order:-1;height:180px}
  .table-like{grid-template-columns:1fr}
  .table-like .label{border-bottom:0}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-bottom:90px}
}
@media(max-width:390px){
  .header-inner{grid-template-columns:64px minmax(0,1fr) 86px;padding:0 10px}
  .site-logo img{height:31px;max-width:116px}
  .logo-placeholder{width:112px;height:30px}
  .header-action{min-width:80px;padding:0 10px;font-size:13px}
  .menu-toggle{font-size:14px}
  .index-link span{font-size:13px}
}