*{box-sizing:border-box}
html{scroll-behavior:smooth;background:#0E0E0E;color:#F7F1DE}
body{margin:0;background:#0E0E0E;color:#F7F1DE;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}
a{color:#E8B84A;text-decoration:none}a:hover{text-decoration:none}
img{max-width:100%}button,a{touch-action:manipulation}
.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{display:flex;align-items:center;min-width:130px}.site-logo img{display:block;height:38px;width:auto;max-width:156px;object-fit:contain}.logo-fallback{font-weight:900;letter-spacing:.08em;color:#E8B84A;white-space:nowrap}
.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;color:#14110A}
.mobile-header{display:none}.menu-toggle,.drawer-close{border:0;background:transparent;color:#E8B84A;font:inherit;font-weight:700;cursor:pointer}
.channel-bar{background:#1A1A1A;border-bottom:1px solid rgba(232,184,74,.14)}.channel-inner{max-width:1140px;margin:0 auto;display:flex;gap:4px;overflow-x:auto;padding:0 16px;scrollbar-width:thin}.channel-inner a{flex:0 0 auto;color:#C9BBA0;padding:11px 10px;white-space:nowrap;font-size:14px}.channel-inner a.is-current,.channel-inner a:hover{color:#E8B84A}
.mobile-drawer,.drawer-mask{display:none}
main{min-height:60vh}.page-shell{max-width:1140px;margin:0 auto;padding:34px 72px 54px 16px}.article-shell{max-width:820px}.breadcrumb{font-size:14px;color:#8E8372;margin-bottom:18px}.breadcrumb a{color:#C9BBA0}.eyebrow{color:#C9BBA0;font-size:13px;letter-spacing:.14em;text-transform:uppercase}.page-hero{padding:8px 0 20px}.page-hero h1{margin:8px 0 12px;font-size:clamp(32px,4vw,42px);line-height:1.2;color:#E8B84A}.page-hero p{margin:0;color:#C9BBA0;font-size:17px;line-height:1.8;max-width:760px}
.section{padding:24px 0;border-top:1px solid rgba(232,184,74,.14)}.section:first-of-type{border-top:0}.section h2{margin:0 0 12px;color:#E8B84A;font-size:24px;line-height:1.35}.section p{margin:0 0 14px;font-size:17px;line-height:1.86;color:#F7F1DE}.section ul,.section ol{margin:12px 0 0;padding-left:1.25em;color:#F7F1DE}.section li{margin:8px 0;line-height:1.75}.related-links{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}.related-links a{display:inline-flex;padding:8px 12px;border:1px solid rgba(232,184,74,.22);border-radius:999px;background:#151515;color:#E8B84A}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:12px;background:#1C1C1C;aspect-ratio:16/9}.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(145deg,#171717,#0A0A0A)}.content-media{max-height:230px;margin:14px 0 22px}.content-media>img{max-height:230px}.poster-media{max-width:1040px;margin:0 auto;height:200px;aspect-ratio:auto}.poster-media>img{object-fit:contain}.poster-wrap{padding:28px 16px 10px;background:#0E0E0E}.index-shell{max-width:1140px;margin:0 auto;padding:24px 16px 54px}.index-intro{max-width:820px;margin:0 auto 26px;text-align:center}.index-intro h1{font-size:clamp(30px,4vw,40px);color:#E8B84A;margin:0 0 10px}.index-intro p{color:#C9BBA0;line-height:1.8;margin:0}.index-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}.index-card{background:#1C1C1C;border:1px solid rgba(232,184,74,.22);border-radius:14px;padding:18px;min-height:108px}.index-card h3{font-size:19px;margin:0 0 8px;color:#E8B84A}.index-card p{margin:0;color:#C9BBA0;line-height:1.6}.index-note{margin:28px 0;padding:18px 20px;border-top:1px solid #E8B84A;border-bottom:1px solid #E8B84A;color:#F7F1DE;line-height:1.8}.stack-feature{max-width:820px;margin:0 auto}.stack-feature .media{height:220px;aspect-ratio:auto}.stack-feature p{font-size:17px;line-height:1.85;color:#F7F1DE}.app-strip{margin:30px 0 0;display:grid;grid-template-columns:1.3fr .7fr;gap:20px;align-items:center;background:#161616;border:1px solid rgba(232,184,74,.22);border-radius:14px;padding:20px}.app-strip h2{color:#E8B84A;margin:0 0 10px}.app-strip p{line-height:1.8;color:#C9BBA0;margin:0}.app-strip .media{height:160px;aspect-ratio:auto}
.faq-list{display:grid;gap:14px}.faq-item{background:#171717;border:1px solid rgba(232,184,74,.18);border-radius:14px;padding:18px}.faq-item h3{font-size:20px;margin:0 0 9px;color:#E8B84A}.faq-item p{margin:0;color:#F7F1DE;line-height:1.8}
.side-float{position:fixed;right:10px;top:33%;z-index:9000;display:flex;flex-direction:column;width:112px;background:#0C0C0C;border:1px solid rgba(232,184,74,.22);border-radius:12px;overflow:hidden;box-shadow:0 14px 32px rgba(0,0,0,.35)}.side-float a{padding:11px 8px;text-align:center;color:#E8B84A;border-bottom:1px solid rgba(232,184,74,.12);font-size:13px}.side-float a:last-child{border-bottom:0}.side-float .float-primary{background:#E8B84A;color:#111}
.site-footer{background:#070707;border-top:1px solid #E8B84A;color:#E7D7B0}.footer-grid{max-width:1140px;margin:0 auto;padding:34px 16px;display:grid;grid-template-columns:1.4fr repeat(3,1fr);gap:28px}.footer-title{display:block;font-size:16px;color:#E8B84A;margin:0 0 10px}.footer-grid p{line-height:1.75;color:#C9BBA0}.footer-grid a{display:block;color:#E7D7B0;padding:5px 0}.footer-bottom{max-width:1140px;margin:0 auto;border-top:1px solid rgba(232,184,74,.18);padding:16px;display:flex;justify-content:space-between;gap:20px;color:#8E8372;font-size:13px;line-height:1.6}.footer-logo{margin-bottom:10px}.mobile-bottom{display:none}
.notice-box{background:#171717;border-left:3px solid #E8B84A;border-radius:0 12px 12px 0;padding:16px 18px;margin:14px 0 22px;color:#C9BBA0;line-height:1.8}.split{display:grid;grid-template-columns:1fr 1fr;gap:18px}.step-list{counter-reset:step;display:grid;gap:12px}.step-item{background:#171717;border:1px solid rgba(232,184,74,.16);border-radius:12px;padding:16px}.step-item h2{display:inline;font-size:19px;color:#E8B84A;margin:0}.step-item:before{counter-increment:step;content:counter(step);display:inline-flex;width:28px;height:28px;align-items:center;justify-content:center;border-radius:50%;background:#E8B84A;color:#111;font-weight:800;margin-right:8px}
@media(max-width:980px){
  .desktop-header,.channel-bar,.side-float{display:none}.mobile-header{display:flex;min-height:62px}.header-inner{padding:0 12px}.mobile-header .site-logo{min-width:0;justify-content:center}.mobile-header .site-logo img{height:34px;max-width:130px}.mobile-header .logo-fallback{font-size:15px}.menu-toggle{min-width:54px;text-align:left}.mobile-main-btn{min-width:72px;padding:0 12px;height:38px}.page-shell{padding:26px 16px 86px}.article-shell{max-width:none}.page-hero h1{font-size:clamp(26px,8vw,32px)}.section{padding:21px 0}.section h2{font-size:21px}.section p{font-size:16px;line-height:1.82}.index-shell{padding:22px 14px 88px}.poster-wrap{padding:16px 14px 4px}.poster-media{height:140px}.index-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}.index-card{padding:14px;min-height:102px}.index-card h3{font-size:17px}.index-card p{font-size:14px}.stack-feature .media{height:200px}.app-strip{grid-template-columns:1fr}.app-strip .media{order:-1;height:180px}.split{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr 1fr;padding-bottom:90px}.footer-bottom{display:block;padding-bottom:78px}.footer-bottom span{display:block;margin-top:6px}.mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:10000;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;color:#F3E6C4;padding:12px 4px;font-size:13px}
  .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;padding-bottom:20px}.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-open{overflow:hidden}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:14px;border-bottom:1px solid rgba(232,184,74,.18)}.drawer-head .site-logo{min-width:0}.drawer-head .site-logo img{height:32px;max-width:138px}.drawer-group{padding:14px;border-bottom:1px solid rgba(232,184,74,.12)}.drawer-group strong{display:block;color:#E8B84A;margin-bottom:8px}.drawer-group a{display:block;color:#F7F1DE;padding:9px 0}
}
@media(max-width:430px){.poster-media{height:128px}.footer-grid{grid-template-columns:1fr}.index-intro{text-align:left}.mobile-header{gap:6px}.mobile-header .main-btn{font-size:13px}.header-inner{min-height:60px}}
@media(max-width:390px){.mobile-header .site-logo img{max-width:112px}.logo-fallback{letter-spacing:.02em}.menu-toggle{min-width:46px}.mobile-main-btn{min-width:66px;padding:0 10px}}
@media(max-width:375px){.mobile-header{padding:0 10px}.mobile-header .site-logo img{max-width:104px}.mobile-main-btn{height:36px}.poster-media{height:118px}}