*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;background:#141B22;color:#EEF2F7;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;overflow-x:hidden}a{color:inherit}img{max-width:100%}
body.drawer-open{overflow:hidden}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:rgba(20,27,34,.92);backdrop-filter:blur(10px);box-shadow:0 8px 24px rgba(0,0,0,.22)}
.header-inner{max-width:1180px;min-height:70px;margin:0 auto;padding:0 18px;display:flex;align-items:center;justify-content:space-between;gap:14px}
.site-logo,.drawer-logo,.footer-logo{display:flex;align-items:center}.site-logo img,.drawer-logo img,.footer-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}.media-placeholder{display:block;width:100%;height:100%;min-height:40px;background:linear-gradient(135deg,#1A232D,#222C36)}
.nav-core{display:flex;align-items:center;gap:4px}.nav-core a{color:#F4B000;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap}.nav-core a.is-current,.nav-core a:hover{color:#FFC533;box-shadow:inset 0 -2px 0 #F4B000}
.main-btn{display:inline-flex;align-items:center;justify-content:center;height:42px;min-width:96px;padding:0 20px;background:#F4B000;color:#141B22;border-radius:999px;text-decoration:none;font-weight:700;box-shadow:0 10px 24px rgba(244,176,0,.18);white-space:nowrap}.main-btn:hover{background:#FFC533}
.menu-btn{display:none;background:none;border:1px solid rgba(244,176,0,.3);color:#F4B000;border-radius:10px;width:42px;height:42px;font-size:22px}
.channel-bar{background:#1A232D;border-top:1px solid rgba(244,176,0,.08);border-bottom:1px solid rgba(244,176,0,.12)}.channel-inner{max-width:1180px;margin:auto;padding:0 18px;display:flex;overflow-x:auto;scrollbar-width:thin}.channel-inner a{flex:none;text-decoration:none;color:#B9C2CF;padding:12px 9px;white-space:nowrap;font-size:14px}.channel-inner a:hover,.channel-inner a.is-current{color:#F4B000}
.mobile-drawer,.drawer-mask{display:none}
main{min-height:60vh}.container{width:min(1180px,calc(100% - 36px));margin:auto}.section{padding:52px 0}.section-tight{padding:34px 0}.breadcrumb{font-size:14px;color:#8D98A7;margin:24px auto 0;width:min(1180px,calc(100% - 36px))}.breadcrumb a{text-decoration:none;color:#B9C2CF}.hero-copy{max-width:820px;padding:48px 0 28px}.hero-copy h1,.article h1{font-size:clamp(28px,4vw,44px);line-height:1.18;margin:0 0 18px;color:#F4B000}.hero-copy p{font-size:18px;line-height:1.85;color:#D8DEE8;margin:0}
h2{color:#F4B000;font-size:26px;line-height:1.3;margin:0 0 16px}h3{color:#EEF2F7}.muted{color:#B9C2CF}.lead{font-size:18px;line-height:1.9;color:#D8DEE8}
.grid{display:grid;gap:18px}.grid-3{grid-template-columns:repeat(3,1fr)}.grid-4{grid-template-columns:repeat(4,1fr)}.grid-2{grid-template-columns:repeat(2,1fr)}.card{background:#1A232D;border:1px solid rgba(244,176,0,.14);border-radius:16px;padding:24px;box-shadow:0 14px 36px rgba(0,0,0,.28)}.card h2,.card h3{margin-top:0}.card p{color:#B9C2CF;line-height:1.8}.text-link{color:#F4B000;text-decoration:none;font-weight:700}.text-link:hover{color:#FFC533}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:14px;background:#1A232D;aspect-ratio:16/9}.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}.media .media-placeholder{position:absolute;inset:0}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:28px;align-items:center}.article{max-width:820px;margin:auto;padding:34px 0 60px}.article p,.article li{font-size:17px;line-height:1.85;color:#D8DEE8}.article ul,.article ol{padding-left:22px}.article section{margin-top:36px}.related{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px}.related a{padding:10px 14px;border:1px solid rgba(244,176,0,.18);border-radius:999px;text-decoration:none;color:#F4B000}
.topic-grid a{display:block;text-decoration:none;background:#1A232D;border:1px solid rgba(244,176,0,.14);border-radius:14px;padding:18px;color:#F4B000;font-weight:700}
.slider-wrap{padding:28px 0 10px}.slider{position:relative;max-width:1180px;height:360px;margin:auto;border-radius:16px;overflow:hidden;background:#1A232D}.slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .35s}.slide.is-active{opacity:1;pointer-events:auto}.slide .media{height:100%;aspect-ratio:auto;border-radius:0}.slider button{position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:44px;height:44px;border-radius:50%;border:1px solid rgba(244,176,0,.3);background:rgba(20,27,34,.82);color:#F4B000;font-size:24px}.slider-prev{left:14px}.slider-next{right:14px}.slider-dots{position:absolute;left:0;right:0;bottom:12px;display:flex;justify-content:center;gap:8px;z-index:3}.slider-dot{position:static!important;transform:none!important;width:10px!important;height:10px!important;border:0!important;background:#8D98A7!important;padding:0}.slider-dot.is-active{background:#F4B000!important}
.poster .media{max-width:1100px;margin:auto;height:220px;aspect-ratio:auto}
.app-strip{display:grid;grid-template-columns:240px 1fr;gap:24px;align-items:center}.app-strip .media{height:150px}
.steps{counter-reset:step;display:grid;gap:14px}.step{background:#1A232D;border-radius:14px;padding:20px 20px 20px 64px;position:relative;border:1px solid rgba(244,176,0,.14)}.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:18px;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:#F4B000;color:#141B22;font-weight:800}
.notice-box{border-left:3px solid #F4B000;background:#1A232D;padding:18px 20px;border-radius:0 14px 14px 0;color:#D8DEE8;line-height:1.8}
.float-tools{position:fixed;right:12px;top:42%;z-index:8000;width:92px;display:grid;gap:8px}.float-tools a,.float-tools button{background:#1A232D;color:#F4B000;border:1px solid rgba(244,176,0,.18);border-radius:10px;padding:10px 8px;text-decoration:none;text-align:center;font:inherit;font-size:13px}.float-tools .float-main{background:#F4B000;color:#141B22;font-weight:700}.float-tools button{cursor:pointer}
.site-footer{background:#0B1015;color:#D8DEE8;padding:52px 0 24px}.footer-grid{max-width:1180px;margin:auto;padding:0 18px;display:grid;grid-template-columns:1.3fr 1fr 1fr 1fr;gap:28px}.footer-grid section{display:grid;align-content:start;gap:10px}.footer-grid h2{font-size:18px;margin:0}.footer-grid a{color:#B9C2CF;text-decoration:none}.footer-grid p{color:#8D98A7;line-height:1.8}.footer-bottom{max-width:1180px;margin:34px auto 0;padding:22px 18px 0;border-top:1px solid rgba(255,255,255,.08);color:#8D98A7;line-height:1.8;font-size:14px}.mobile-bottom{display:none}
.faq-list details{background:#1A232D;border:1px solid rgba(244,176,0,.14);border-radius:14px;padding:18px;margin-bottom:12px}.faq-list summary{color:#F4B000;font-weight:700;cursor:pointer}.faq-list p{margin-bottom:0}
@media(max-width:980px){
  .header-inner{min-height:64px;display:grid;grid-template-columns:42px 1fr auto}.menu-btn{display:block}.site-logo{justify-self:center}.site-logo img{height:36px;max-width:150px}.nav-core,.channel-bar{display:none}
  .mobile-drawer{display:block;position:fixed;inset:0 auto 0 0;width:min(84vw,320px);background:#1A232D;z-index:12000;transform:translateX(-105%);transition:transform .2s ease;box-shadow:18px 0 40px rgba(0,0,0,.36);overflow-y:auto}
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-mask{display:none;position:fixed;inset:0;background:rgba(11,16,21,.52);z-index:11000;opacity:0;pointer-events:none;transition:opacity .18s ease}
  .drawer-mask.is-visible{display:block;opacity:1;pointer-events:auto}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;padding:16px;border-bottom:1px solid rgba(244,176,0,.14)}.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid rgba(244,176,0,.2);background:#141B22;color:#F4B000;font-size:26px}.drawer-groups{padding:10px 16px 30px}.drawer-groups section{margin:18px 0}.drawer-groups h2{font-size:14px;color:#8D98A7;margin-bottom:8px}.drawer-groups a{display:block;padding:10px 0;text-decoration:none;color:#EEF2F7}
  .grid-4{grid-template-columns:repeat(3,1fr)}.split{grid-template-columns:1fr}.float-tools{display:none}.slider{height:270px}.poster .media{height:180px}.footer-grid{grid-template-columns:1fr 1fr}.mobile-bottom{display:grid;position:fixed;left:0;right:0;bottom:0;z-index:9000;grid-template-columns:repeat(4,1fr);background:#141B22;border-top:1px solid rgba(244,176,0,.16)}.mobile-bottom a{text-align:center;text-decoration:none;padding:14px 4px;color:#F4B000;font-size:14px}body{padding-bottom:54px}.app-strip{grid-template-columns:180px 1fr}
}
@media(max-width:640px){
  .header-inner{padding:0 12px;gap:8px}.main-btn{height:40px;min-width:82px;padding:0 14px}.site-logo img{max-width:128px;height:34px}.section{padding:34px 0}.hero-copy{padding:34px 0 20px}.grid-3,.grid-2{grid-template-columns:1fr}.grid-4{grid-template-columns:repeat(2,1fr)}.card{padding:20px}.slider{height:190px;border-radius:14px}.slider button{width:38px;height:38px}.poster .media{height:145px}.footer-grid{grid-template-columns:1fr}.app-strip{grid-template-columns:1fr}.app-strip .media{height:150px}.article p,.article li{font-size:16px}.article h1{font-size:30px}
}