*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#090909;color:#f5f0df;font-family:Arial,"Microsoft YaHei",sans-serif;font-size:15px;line-height:1.7;overflow-x:hidden}body.locked{overflow:hidden}a{color:inherit;text-decoration:none}button,input{font:inherit}.shell{width:min(1120px,calc(100% - 32px));margin:0 auto}.site-header{position:sticky;top:0;z-index:50;background:#0b0b0b}.brand-strip{background:#111;border-bottom:1px solid #6d613d}.strip-inner{height:22px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:#eadb98}.text-button,.drawer-trigger,.close-button{border:1px solid #8d7c43;background:#111;color:#f1df94;border-radius:10px;cursor:pointer}.text-button{border:0;padding:0}.mainbar{border-bottom:1px solid #c5a95a}.mainbar-inner{height:60px;display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px}.brand-link{justify-self:start;min-height:44px;display:flex;align-items:center}.logo{display:block;height:28px;width:auto;max-width:190px;object-fit:contain;object-position:center}.brand-fallback{font-size:16px;font-weight:700;color:#f0db87}.drawer-trigger{height:44px;padding:0 20px;white-space:nowrap}.app-entry{justify-self:end;height:44px;padding:0 18px;border-radius:10px;background:linear-gradient(135deg,#f3df8b,#c9aa55);color:#17130a;font-weight:700;display:flex;align-items:center;white-space:nowrap}.topic-band{background:#0f0f0f;border-bottom:1px solid #37301c}.topic-links{min-height:40px;display:flex;align-items:center;justify-content:center;gap:8px;flex-wrap:wrap}.topic-links a{padding:7px 12px;border-radius:8px;font-size:13px;color:#e8dca9}.topic-links a.active,.topic-links a[aria-current="page"]{background:#d7bd68;color:#14110a}.topic-links a:hover,.topic-links a:focus-visible{outline:none;background:#2a2516;color:#fff0ae}main{display:block;padding-bottom:40px}.page-hero{padding:42px 0 24px}.eyebrow{font-size:12px;letter-spacing:.14em;color:#d6bd6c;text-transform:uppercase}.page-hero h1,.cover-copy h1{margin:8px 0 12px;font-size:24px;line-height:1.3;color:#f1db82}.lead{max-width:850px;margin:0;color:#eee6cd}.section{padding:30px 0}.section h2{font-size:20px;line-height:1.35;color:#efd97e;margin:0 0 14px}.section h3{font-size:16px;color:#f1e3aa;margin:0 0 8px}.muted{color:#c9bd91}.grid-2,.grid-3,.grid-4{display:grid;gap:16px}.grid-2{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-3{grid-template-columns:repeat(3,minmax(0,1fr))}.grid-4{grid-template-columns:repeat(4,minmax(0,1fr))}.card,.paper,.note,.topic-card,.step,.faq-item{background:#121212;border:1px solid #514827;border-radius:12px;padding:18px}.card p,.paper p,.note p,.topic-card p,.step p{margin:0 0 10px}.card p:last-child,.paper p:last-child,.note p:last-child,.topic-card p:last-child,.step p:last-child{margin-bottom:0}.card-link{display:inline-flex;align-items:center;min-height:44px;color:#efd97e;font-weight:700}.card-link:hover,.card-link:focus-visible{text-decoration:underline;outline:none}.tag-row{display:flex;gap:8px;flex-wrap:wrap}.tag-row a,.tag{display:inline-flex;align-items:center;min-height:38px;padding:6px 11px;border:1px solid #6b5e34;border-radius:999px;color:#ead98c;background:#0d0d0d}.tag-row a:hover,.tag-row a:focus-visible{background:#e4cb72;color:#15120a;outline:none}.media-slot{background:#101010;border:1px solid #574c29;border-radius:12px;display:flex;align-items:center;justify-content:center;padding:10px;margin-bottom:16px}.media-slot img{max-width:100%;max-height:100%;width:auto;height:auto;object-fit:contain;object-position:center}.media-banner{max-height:260px}.media-small{max-height:180px}.media-medium{max-height:200px}.media-app{max-height:360px}.cover{padding:30px 0}.cover-copy{text-align:center;max-width:820px;margin:18px auto 0}.actions{display:flex;gap:12px;justify-content:center;flex-wrap:wrap;margin-top:18px}.button{min-height:44px;padding:9px 18px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;background:#e0c669;color:#15120a;font-weight:700;white-space:nowrap}.button.secondary{background:#0f0f0f;color:#f2dc88;border:1px solid #8b7941}.editorial{border-left:3px solid #d9bd61;padding:4px 0 4px 18px}.number-list{display:grid;gap:10px;counter-reset:item}.number-list .item{display:grid;grid-template-columns:54px 1fr;gap:14px;align-items:start;padding:16px;border-top:1px solid #4a4023}.number-list .item::before{counter-increment:item;content:counter(item,decimal-leading-zero);font-size:28px;line-height:1;color:#d9bf68;font-weight:800}.timeline{display:grid;gap:0}.timeline .node{position:relative;padding:0 0 24px 28px;border-left:1px solid #675a31}.timeline .node::before{content:"";position:absolute;left:-6px;top:7px;width:11px;height:11px;border-radius:50%;background:#e2c96e}.timeline .node:last-child{border-left-color:transparent}.status{display:inline-block;padding:3px 8px;border-radius:999px;background:#282313;color:#f1dd8a;font-size:12px}.article-columns{columns:2;column-gap:28px}.article-columns p{break-inside:avoid;margin-top:0}.definition-list{display:grid;gap:14px}.definition-list article{padding:18px 0;border-bottom:1px solid #3f371f}.definition-list article:last-child{border-bottom:0}.definition-list strong{color:#efd97e}.compare-table{width:100%;border-collapse:collapse;background:#101010}.compare-table th,.compare-table td{border:1px solid #514827;padding:12px;text-align:left;vertical-align:top}.compare-table th{color:#efd97e}.anchor-offset{scroll-margin-top:150px}.service-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px}.callout{padding:18px;border:1px solid #766535;border-radius:12px;background:#17150e}.breadcrumbs{font-size:13px;color:#b9ac7e;margin-bottom:12px}.breadcrumbs a{color:#ddc874}.footer-grid{display:grid;grid-template-columns:2fr repeat(4,1fr);gap:24px;padding:34px 0}.site-footer{border-top:1px solid #c4a95a;background:#060606;color:#dfd4ad;font-size:13px}.site-footer h2{font-size:13px;color:#f0dc89;margin:0 0 8px}.site-footer nav{display:flex;flex-direction:column;gap:6px}.footer-brand{display:flex;flex-direction:column;align-items:flex-start;gap:7px}.footer-brand p{margin:6px 0 0;max-width:380px}.footer-copy{padding:14px 0 72px;border-top:1px solid #332e1d}.overlay{position:fixed;inset:0;background:rgba(0,0,0,.72);z-index:70;opacity:0;visibility:hidden;pointer-events:none;transition:.2s}.overlay.is-open{opacity:1;visibility:visible;pointer-events:auto}.drawer{position:fixed;left:0;top:0;bottom:0;width:min(400px,86vw);z-index:80;background:#0c0c0c;border-right:1px solid #aa914b;transform:translateX(-104%);visibility:hidden;pointer-events:none;transition:.22s;overflow-y:auto;padding:16px}.drawer.is-open{transform:translateX(0);visibility:visible;pointer-events:auto}.drawer-head{display:flex;justify-content:space-between;align-items:center;padding-bottom:12px;border-bottom:1px solid #4b4124}.drawer-brand{display:flex;align-items:center;gap:10px;color:#eedb86;font-weight:700}.close-button{min-height:44px;padding:0 14px}.drawer details{border-bottom:1px solid #39311c;padding:8px 0}.drawer summary{cursor:pointer;color:#f0da80;font-weight:700;padding:10px 0}.drawer details a{display:grid;gap:2px;padding:10px;border-radius:8px}.drawer details a:hover,.drawer details a:focus-visible{background:#1a180f;outline:none}.drawer details span{font-size:12px;color:#bdb18c}.search-layer{position:fixed;left:0;right:0;top:82px;z-index:85;visibility:hidden;pointer-events:none;opacity:0;transition:.2s}.search-layer.is-open{visibility:visible;pointer-events:auto;opacity:1}.search-panel{width:min(920px,calc(100% - 32px));margin:0 auto;background:#0d0d0d;border:1px solid #bea04d;border-radius:0 0 14px 14px;padding:20px}.search-head{display:flex;align-items:center;justify-content:space-between;gap:16px}.search-head h2{margin:0;color:#edd77c;font-size:20px}.search-box{display:grid;gap:6px;margin:14px 0}.search-box input{width:100%;background:#141414;border:1px solid #6c5e31;color:#fff4c4;border-radius:10px;padding:12px}.search-links{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px}.search-links a{padding:10px;border:1px solid #40381f;border-radius:8px}.search-links a:hover,.search-links a:focus-visible{background:#e1c86c;color:#15120a;outline:none}.mobile-nav{display:none}.faq-item summary{cursor:pointer;color:#efd97e;font-weight:700}.faq-item p{margin-bottom:0}.compact-list{margin:0;padding-left:20px}.compact-list li{margin:7px 0}
@media(max-width:860px){.grid-3,.grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.footer-brand{grid-column:1/-1}.article-columns{columns:1}.service-list{grid-template-columns:1fr}.search-links{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(max-width:640px){body{padding-bottom:58px}.shell{width:calc(100% - 32px)}.mainbar-inner{grid-template-columns:1fr auto 1fr;gap:8px}.brand-link{min-width:0}.logo{max-width:120px}.drawer-trigger{padding:0 10px}.app-entry{padding:0 10px}.topic-band{display:none}.page-hero{padding-top:28px}.grid-2,.grid-3,.grid-4{grid-template-columns:1fr}.footer-grid{grid-template-columns:1fr}.footer-brand{grid-column:auto}.search-layer{inset:0;top:0;background:#090909;overflow-y:auto}.search-panel{width:100%;min-height:100%;border:0;border-radius:0;padding:20px 16px}.search-links{grid-template-columns:1fr}.mobile-nav{position:fixed;display:grid;grid-template-columns:repeat(5,1fr);left:0;right:0;bottom:0;z-index:60;min-height:48px;padding-bottom:env(safe-area-inset-bottom);background:#090909;border-top:1px solid #ad9449}.mobile-nav a{display:flex;align-items:center;justify-content:center;min-height:48px;font-size:13px;color:#ddcf9c}.mobile-nav a.active,.mobile-nav a[aria-current="page"]{background:#dbc16b;color:#15120a}.footer-copy{padding-bottom:18px}.number-list .item{grid-template-columns:44px 1fr}.media-banner{max-height:260px}.media-app{max-height:360px}}


/* HD image layout fix 20261018: explicit sized in-flow visual boxes */
:root{--hd-hero:260px;--hd-media:180px;--hd-small:145px;--hd-app:290px}
html,body{max-width:100%;overflow-x:clip}
img{max-width:100%;box-sizing:border-box}
.hero-media,.hero-visual,.cover-media,.banner-slot,.media-banner,.home-cover .media,.media.banner,.image-slot.banner,.image-slot.hero,.image-slot.cover,
.media-slot.banner-slot,.media-slot.media-banner,
.hero .media-slot:first-child,.hero .media:first-child{
 width:100%!important;height:var(--hd-hero)!important;max-height:var(--hd-hero)!important;min-height:0!important;
 padding:8px!important;display:flex!important;align-items:center!important;justify-content:center!important;
 position:relative!important;overflow:hidden!important;box-sizing:border-box!important;flex-shrink:0!important;
 margin-left:auto!important;margin-right:auto!important;
}
.media-slot,.media.medium,.media.small,.media:not(.banner),.image-slot,.app-media,.app-art,.app-poster-slot,.app-icon-slot{
 width:100%!important;height:var(--hd-media)!important;max-height:var(--hd-media)!important;min-height:0!important;
 padding:8px!important;display:flex!important;align-items:center!important;justify-content:center!important;
 position:relative!important;overflow:hidden!important;box-sizing:border-box!important;flex-shrink:0!important;
}
/* Restore larger hero rules after ordinary media rules */
.hero-media,.hero-visual,.cover-media,.banner-slot,.media-banner,.home-cover .media,.media.banner,.image-slot.banner,.image-slot.hero,.image-slot.cover,.media-slot.banner-slot,.media-slot.media-banner,.hero .media-slot:first-child,.hero .media:first-child{
 height:var(--hd-hero)!important;max-height:var(--hd-hero)!important;
}
.media.small,.media-slot.sm,.media-slot.small-media,.media-slot.media-sm,.image-slot.small,.media-slot.small,.media-slot.compact{
 height:var(--hd-small)!important;max-height:var(--hd-small)!important;
}
.app-media,.app-art,.app-poster-slot,.media-slot.app,.image-slot.app,.app-icon-slot{
 height:var(--hd-app)!important;max-height:var(--hd-app)!important;
}
.hero-media>img,.hero-visual>img,.cover-media>img,.banner-slot>img,.media-banner>img,.media>img,.media-slot>img,.image-slot>img,.app-media>img,.app-art>img,.app-poster-slot>img,.app-icon-slot>img{
 display:block!important;width:100%!important;height:100%!important;min-width:0!important;min-height:0!important;
 max-width:100%!important;max-height:100%!important;object-fit:contain!important;object-position:center!important;
 position:static!important;transform:none!important;float:none!important;
}
.hero,.home-cover,.hero-copy,.hero-content,.wrap,.container,section,article{min-width:0}
@media(max-width:640px){
:root{--hd-hero:175px;--hd-media:130px;--hd-small:110px;--hd-app:205px}
.hero-media,.hero-visual,.cover-media,.banner-slot,.media-banner,.media-slot,.media,.image-slot,.app-media,.app-art,.app-poster-slot,.app-icon-slot{max-width:100%!important}
}