*{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,svg,video{max-width:100%}
a{color:#E8B84A}
button,input,textarea,select{font:inherit}
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{display:inline-flex;align-items:center;min-width:120px;text-decoration:none;color:#E8B84A;font-weight:800}
.site-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-width:118px;height:38px;border:1px solid rgba(232,184,74,.35);border-radius:8px;background:#161616;color:#E8B84A;letter-spacing:2px}
.nav-core{display:flex;align-items:center;justify-content:center;gap:3px;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:linear-gradient(180deg,#E8B84A 0%,#C8962E 100%)}
.mobile-header{display:none}
.channel-bar{background:#1A1A1A;border-bottom:1px solid rgba(232,184,74,.14)}
.channel-inner{max-width:1140px;margin:0 auto;padding:0 16px;display:flex;align-items:center;gap:2px;overflow-x:auto;scrollbar-width:thin}
.channel-inner a{flex:0 0 auto;padding:10px 9px;color:#C9BBA0;text-decoration:none;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{min-height:60vh;padding-bottom:20px}
.container{width:min(1140px,calc(100% - 32px));margin:0 auto}
.reading{width:min(820px,calc(100% - 32px));margin:0 auto}
.page-hero{padding:48px 0 28px;border-bottom:1px solid rgba(232,184,74,.12);background:radial-gradient(circle at 80% 0%,rgba(232,184,74,.08),transparent 32%)}
.breadcrumb{font-size:14px;color:#8E8372;margin-bottom:12px}
.breadcrumb a{color:#C9BBA0;text-decoration:none}
h1,h2,h3{line-height:1.28;margin-top:0}
h1{font-size:clamp(28px,4vw,40px);color:#E8B84A;letter-spacing:.02em;margin-bottom:14px}
h2{font-size:clamp(22px,2.6vw,29px);color:#E8B84A;margin-bottom:14px}
h3{font-size:19px;color:#F7F1DE;margin-bottom:8px}
.lead{font-size:18px;color:#E7D7B0;max-width:790px;margin:0}
.section{padding:46px 0}
.section-tight{padding:30px 0}
.section + .section{border-top:1px solid rgba(232,184,74,.08)}
.notice-line{padding:17px 20px;border-top:1px solid #E8B84A;border-bottom:1px solid rgba(232,184,74,.32);background:#111;color:#E7D7B0}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.card-grid.four{grid-template-columns:repeat(4,minmax(0,1fr))}
.card-grid.two{grid-template-columns:repeat(2,minmax(0,1fr))}
.text-card{background:#1C1C1C;border:1px solid rgba(232,184,74,.22);border-radius:14px;padding:20px;box-shadow:0 14px 32px rgba(0,0,0,.35)}
.text-card h2,.text-card h3{margin-bottom:9px}
.text-card p{margin:0;color:#C9BBA0}
.text-card a{display:inline-block;margin-top:12px;font-weight:700;text-decoration:none}
.index-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:14px}
.index-grid a{display:block;text-decoration:none}
.index-grid .text-card{height:100%}
.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-placeholder{position:absolute;inset:0;background:#171717;border:1px dashed rgba(232,184,74,.18);border-radius:12px}
.poster-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.poster-grid .media{aspect-ratio:16/9;min-height:160px;max-height:200px}
.split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:28px;align-items:center}
.stack-image-text{display:grid;gap:22px}
.stack-image-text .media{max-height:230px}
.app-strip{display:grid;grid-template-columns:1.5fr .8fr;gap:24px;align-items:center;background:#151515;border:1px solid rgba(232,184,74,.22);border-radius:14px;padding:22px}
.app-strip .media{max-height:200px}
.article p{margin:0 0 17px;color:#F7F1DE}
.article ul,.article ol{padding-left:1.2em;color:#E7D7B0}
.article li{margin:8px 0}
.article .related{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill-link{display:inline-flex;padding:8px 12px;border:1px solid rgba(232,184,74,.32);border-radius:999px;text-decoration:none;color:#E8B84A;background:#151515}
.step-list{counter-reset:steps;display:grid;gap:14px}
.step-item{counter-increment:steps;background:#1C1C1C;border-left:3px solid #E8B84A;border-radius:0 12px 12px 0;padding:17px 18px}
.step-item::before{content:counter(steps,decimal-leading-zero);display:inline-block;margin-right:10px;color:#E8B84A;font-weight:800}
.two-question{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.qa-box{background:#1C1C1C;border:1px solid rgba(232,184,74,.22);border-radius:14px;padding:18px}
.qa-box strong{color:#E8B84A}
.topic-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.topic-list a{padding:14px 16px;background:#171717;border:1px solid rgba(232,184,74,.18);border-radius:12px;text-decoration:none}
.faq-list{display:grid;gap:14px}
.faq-item{background:#1C1C1C;border:1px solid rgba(232,184,74,.22);border-radius:14px;padding:18px}
.faq-item h2{font-size:20px;margin-bottom:8px}
.faq-item p{margin:0}
.floating-tools{position:fixed;right:12px;top:34%;z-index:7000;width:46px;display:grid;gap:7px}
.floating-tools a{writing-mode:vertical-rl;display:flex;align-items:center;justify-content:center;min-height:86px;padding:9px 7px;background:#111;color:#E8B84A;border:1px solid rgba(232,184,74,.28);border-radius:10px;text-decoration:none;font-size:13px;letter-spacing:1px}
.floating-tools .float-primary{background:#E8B84A;color:#111}
.site-footer{margin-top:34px;background:#070707;border-top:1px solid #E8B84A;color:#E7D7B0}
.footer-grid{max-width:1140px;margin:0 auto;padding:36px 16px 26px;display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:28px}
.footer-grid section{display:flex;flex-direction:column;gap:7px}
.footer-grid h2{font-size:17px;color:#E8B84A;margin:0 0 6px}
.footer-grid a{color:#C9BBA0;text-decoration:none}
.footer-grid p{color:#8E8372;margin:8px 0 0}
.footer-bottom{max-width:1140px;margin:0 auto;padding:18px 16px 28px;border-top:1px solid rgba(232,184,74,.15);font-size:13px;color:#8E8372}
.footer-bottom p{margin:4px 0}
.mobile-bottom{display:none}
.menu-toggle,.drawer-close{background:transparent;border:0;color:#E8B84A;cursor:pointer}
.menu-toggle{font-weight:700;padding:8px 0}
.drawer-head{height:66px;display:flex;align-items:center;justify-content:space-between;padding:0 16px;border-bottom:1px solid rgba(232,184,74,.2)}
.drawer-close{font-size:31px;line-height:1}
.drawer-scroll{height:calc(100vh - 66px);overflow-y:auto;padding:12px 16px 28px}
.drawer-scroll section{padding:10px 0;border-bottom:1px solid rgba(232,184,74,.12)}
.drawer-scroll h2{font-size:14px;color:#8E8372;margin:0 0 6px;text-transform:none}
.drawer-scroll a{display:block;padding:8px 0;color:#E7D7B0;text-decoration:none}
.small-note{color:#8E8372;font-size:14px}
.highlight{color:#E8B84A;font-weight:700}

@media(max-width:1180px){
  .floating-tools{display:none}
}
@media(max-width:980px){
  .desktop-header,.channel-bar{display:none}
  .mobile-header{height:62px;padding:0 14px;display:grid;grid-template-columns:72px minmax(0,1fr) 88px;align-items:center;gap:8px}
  .mobile-logo{justify-self:center;min-width:0}
  .mobile-logo img{height:34px;max-width:140px}
  .mobile-main-btn{min-width:80px;padding:0 12px;justify-self:end}
  .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;
  }
  .poster-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .index-grid,.card-grid.four{grid-template-columns:repeat(2,minmax(0,1fr))}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .site-main{padding-bottom:68px}
  .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;padding:11px 6px;color:#E7D7B0;text-decoration:none;font-size:14px}
}
@media(max-width:700px){
  .page-hero{padding:34px 0 22px}
  .section{padding:32px 0}
  .container,.reading{width:min(100% - 24px,1140px)}
  .poster-grid,.card-grid,.card-grid.two,.two-question,.topic-list,.split{grid-template-columns:1fr}
  .poster-grid .media{min-height:120px;max-height:150px}
  .index-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:10px}
  .text-card{padding:16px}
  .app-strip{grid-template-columns:1fr}
  .app-strip .media{order:-1}
  .footer-grid{grid-template-columns:1fr;gap:18px}
  .footer-brand{padding-bottom:8px}
}
@media(max-width:390px){
  .mobile-header{grid-template-columns:64px minmax(0,1fr) 82px;padding:0 10px;gap:5px}
  .mobile-main-btn{min-width:76px;padding:0 10px;font-size:14px}
  .mobile-logo img{max-width:128px;height:32px}
  .logo-placeholder{min-width:100px}
}