*{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;line-height:1.82;overflow-x:hidden}
img{max-width:100%}
a{color:#E8B84A;text-underline-offset:3px}
a:hover{color:#F6D56A}
button,input,textarea{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;min-width:120px}
.site-logo img{display:block;height:38px;width:auto;max-width:156px;object-fit:contain}
.drawer-logo img,.footer-logo img{display:block;height:38px;width:auto;max-width:156px;object-fit:contain}
.logo-placeholder{display:inline-flex;align-items:center;justify-content:center;min-height:36px;padding:0 12px;border:1px solid rgba(232,184,74,.28);border-radius:8px;background:#191919;color:#E8B84A;font-weight:800;letter-spacing:.08em}
.nav-core{display:flex;align-items:center;justify-content:center;gap:2px;white-space:nowrap}
.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)}
.main-btn:hover{background:#C8962E;color:#14110A}
.menu-toggle{display:none;border:0;background:transparent;color:#E8B84A;font-weight:800;padding:8px;cursor:pointer}
.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;overflow-x:auto;overscroll-behavior-inline:contain;scrollbar-width:thin}
.channel-inner a{flex:0 0 auto;padding:10px 11px;color:#C9BBA0;text-decoration:none;font-size:14px;white-space:nowrap}
.channel-inner a.is-current,.channel-inner a:hover{color:#E8B84A}
.site-main{max-width:1140px;margin:0 auto;padding:30px 72px 56px 16px;min-height:70vh}
.hero-poster{max-width:1040px;margin:0 auto 34px}
.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,.14)}
.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}
.media.hero-media{height:clamp(170px,20vw,220px);aspect-ratio:auto}
.media.content-media{height:clamp(190px,22vw,230px);aspect-ratio:auto}
.media.card-media{height:160px;aspect-ratio:auto}
.media-placeholder{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;background:linear-gradient(145deg,#171717,#0E0E0E);color:#8E8372;font-size:14px;letter-spacing:.08em}
.breadcrumb{font-size:14px;color:#8E8372;margin:0 0 14px}
.breadcrumb a{color:#C9BBA0;text-decoration:none}
.page-head{max-width:820px;margin:0 auto 28px}
.page-head h1{margin:0 0 12px;font-size:clamp(32px,4vw,42px);line-height:1.2;color:#E8B84A}
.page-head p{margin:0;color:#C9BBA0;font-size:17px}
.article-shell{max-width:820px;margin:0 auto}
.article-shell h2{color:#E8B84A;font-size:24px;line-height:1.35;margin:34px 0 12px}
.article-shell h3{color:#F0D78B;font-size:19px;margin:26px 0 8px}
.article-shell p,.article-shell li{font-size:17px}
.article-shell ul,.article-shell ol{padding-left:1.3em}
.article-shell strong{color:#F0D78B}
.article-shell .media{margin:20px 0 26px}
.info-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.info-card{display:block;padding:20px;border:1px solid rgba(232,184,74,.22);border-radius:14px;background:#1C1C1C;box-shadow:0 14px 32px rgba(0,0,0,.35);text-decoration:none;color:#F7F1DE}
.info-card:hover{border-color:#E8B84A;color:#F7F1DE;transform:translateY(-1px)}
.info-card h2,.info-card h3{margin:0 0 8px;color:#E8B84A;font-size:20px}
.info-card p{margin:0;color:#C9BBA0;font-size:15px;line-height:1.65}
.gold-note{margin:30px 0;padding:18px 20px;border-top:1px solid #E8B84A;border-bottom:1px solid #E8B84A;color:#E7D7B0;background:#121212}
.stack-feature{max-width:820px;margin:32px auto;padding:22px;background:#151515;border:1px solid rgba(232,184,74,.16);border-radius:14px}
.stack-feature h2{margin:18px 0 8px;color:#E8B84A}
.stack-feature p{margin:0;color:#F7F1DE}
.app-strip{max-width:980px;margin:34px auto;display:grid;grid-template-columns:1.2fr .8fr;gap:22px;align-items:center;padding:22px;border-radius:14px;background:#1C1C1C;border:1px solid rgba(232,184,74,.22)}
.app-strip h2{margin:0 0 8px;color:#E8B84A}
.app-strip p{margin:0 0 12px;color:#C9BBA0}
.app-strip .media{height:170px;aspect-ratio:auto}
.text-links{display:flex;flex-wrap:wrap;gap:10px;margin:22px 0}
.text-links a{display:inline-flex;padding:7px 11px;border:1px solid rgba(232,184,74,.24);border-radius:999px;background:#151515;text-decoration:none}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.notice-box{padding:18px 20px;border-left:3px solid #E8B84A;background:#151515;border-radius:0 12px 12px 0;margin:22px 0}
.step-list{display:grid;gap:12px;counter-reset:step;margin:20px 0}
.step-item{counter-increment:step;padding:16px 18px 16px 58px;background:#1C1C1C;border:1px solid rgba(232,184,74,.18);border-radius:12px;position:relative}
.step-item:before{content:counter(step);position:absolute;left:18px;top:16px;width:26px;height:26px;border-radius:50%;display:grid;place-items:center;background:#E8B84A;color:#111;font-weight:800}
.index-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px;margin:20px 0}
.index-list a{padding:14px 16px;background:#1C1C1C;border:1px solid rgba(232,184,74,.16);border-radius:12px;text-decoration:none;color:#F7F1DE}
.index-list a strong{display:block;color:#E8B84A}
.faq-list{display:grid;gap:14px}
.faq-item{padding:18px 20px;background:#1C1C1C;border:1px solid rgba(232,184,74,.18);border-radius:12px}
.faq-item h2{font-size:19px;margin:0 0 8px;color:#E8B84A}
.faq-item p{margin:0}
.side-float{position:fixed;z-index:8000;right:12px;top:38%;width:54px;display:flex;flex-direction:column;gap:7px}
.side-float a{display:flex;align-items:center;justify-content:center;min-height:48px;padding:7px 5px;border-radius:10px;background:#111;color:#E8B84A;text-decoration:none;text-align:center;font-size:12px;line-height:1.25;border:1px solid rgba(232,184,74,.26)}
.side-float .side-primary{background:#E8B84A;color:#111;font-weight:800}
.site-footer{background:#070707;border-top:1px solid #E8B84A}
.footer-inner{max-width:1140px;margin:0 auto;padding:34px 16px;display:grid;grid-template-columns:1.45fr repeat(3,1fr);gap:30px}
.footer-inner h2{margin:0 0 10px;color:#E8B84A;font-size:17px}
.footer-inner a{display:block;color:#E7D7B0;text-decoration:none;margin:7px 0}
.footer-inner a:hover{color:#E8B84A}
.footer-brand p{color:#C9BBA0;font-size:14px;line-height:1.7;max-width:320px}
.footer-bottom{max-width:1140px;margin:0 auto;padding:18px 16px 26px;border-top:1px solid rgba(232,184,74,.16);color:#8E8372;font-size:13px}
.footer-bottom p{margin:5px 0}
.mobile-bottom{display:none}
.mobile-drawer,.drawer-mask{display:none}
body.drawer-open{overflow:hidden}
.drawer-group strong{display:block;color:#E8B84A;margin:18px 0 6px}
.drawer-group a{display:block;color:#F7F1DE;text-decoration:none;padding:8px 0;border-bottom:1px solid rgba(232,184,74,.08)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid rgba(232,184,74,.18)}
.drawer-close{border:1px solid rgba(232,184,74,.36);background:#111;color:#E8B84A;border-radius:8px;padding:7px 10px}
@media(max-width:980px){
  .nav-core,.channel-bar,.side-float{display:none}
  .menu-toggle{display:inline-flex;min-width:54px;justify-content:flex-start}
  .header-inner{min-height:64px;padding:0 12px;gap:8px}
  .site-logo{justify-content:center;min-width:0;flex:1}
  .site-logo img{height:34px;max-width:132px}
  .header-action{height:38px;min-width:76px;padding:0 12px;font-size:14px}
  .site-main{padding:22px 14px 90px}
  .page-head h1{font-size:clamp(26px,8vw,32px)}
  .page-head p,.article-shell p,.article-shell li{font-size:16px}
  .article-shell h2{font-size:22px}
  .info-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .info-card{padding:16px 14px}
  .app-strip{grid-template-columns:1fr}
  .app-strip .media{order:-1;height:190px}
  .two-col,.index-list{grid-template-columns:1fr}
  .footer-inner{grid-template-columns:1fr 1fr;gap:24px}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9000;display:grid;grid-template-columns:repeat(4,1fr);background:#0C0C0C;border-top:1px solid #E8B84A;padding-bottom:max(0px,env(safe-area-inset-bottom))}
  .mobile-bottom a{color:#E7D7B0;text-decoration:none;text-align:center;padding:11px 5px;font-size:14px}
  .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);padding:18px;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}
}
@media(max-width:540px){
  .info-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .info-card h2,.info-card h3{font-size:17px}
  .info-card p{font-size:14px}
  .media.hero-media{height:clamp(112px,34vw,150px)}
  .media.content-media{height:190px}
  .footer-inner{grid-template-columns:1fr}
  .header-action{min-width:72px;padding:0 10px}
  .menu-toggle{min-width:48px;padding-left:0}
}