*{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}
body.drawer-open{overflow:hidden}
a{color:#F4B000}
img{max-width:100%;height:auto}
button,input,textarea{font:inherit}
main{display:block;min-height:60vh}
.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{display:inline-flex;align-items:center;text-decoration:none;flex:0 0 auto}
.site-logo img{display:block;height:40px;width:auto;max-width:168px;object-fit:contain}
.logo-text{font-weight:900;color:#F4B000;font-size:24px;white-space:nowrap}
.nav-core{display:flex;align-items:center;gap:2px;white-space:nowrap}
.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-toggle{display:none}
.channel-bar{background:#1A232D;border-top:1px solid rgba(244,176,0,.08)}
.channel-inner{max-width:1180px;margin:0 auto;padding:0 18px;display:flex;overflow-x:auto;scrollbar-width:thin}
.channel-inner a{flex:0 0 auto;padding:11px 9px;color:#B9C2CF;text-decoration:none;font-size:14px;white-space:nowrap}
.channel-inner a:hover,.channel-inner a.is-current{color:#F4B000}
.container{max-width:1180px;margin:0 auto;padding:0 18px}
.reading{max-width:820px;margin:0 auto}
.section{padding:54px 0}
.section.tight{padding:34px 0}
.eyebrow{color:#F4B000;font-weight:800;letter-spacing:.08em}
h1{font-size:clamp(28px,4vw,44px);line-height:1.18;margin:0 0 18px;color:#F4B000}
h2{font-size:clamp(22px,3vw,30px);line-height:1.3;color:#F4B000;margin:0 0 14px}
h3{font-size:19px;color:#FFC533;margin:0 0 10px}
p,li{font-size:17px;line-height:1.82;color:#EEF2F7}
.muted{color:#B9C2CF}
.breadcrumb{padding:20px 0 4px;color:#8D98A7;font-size:14px}
.breadcrumb a{color:#B9C2CF;text-decoration:none}
.hero-intro{padding:42px 0 26px}
.hero-intro p{max-width:820px;color:#D8DEE8}
.grid-3,.grid-4,.grid-2{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:22px;box-shadow:0 14px 36px rgba(0,0,0,.28)}
.card p:last-child{margin-bottom:0}
.card a.more{display:inline-block;margin-top:6px;font-weight:700;text-decoration:none}
.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-placeholder{border:1px solid rgba(244,176,0,.10);background:linear-gradient(135deg,#1A232D,#10161C)}
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:26px;align-items:center}
.split.reverse{grid-template-columns:.95fr 1.05fr}
.link-list{display:grid;gap:10px}
.link-list a{display:block;padding:12px 14px;border-radius:12px;background:#222C36;text-decoration:none;color:#EEF2F7;border-left:3px solid #F4B000}
.link-list a:hover{color:#FFC533}
.topic-index{display:grid;grid-template-columns:repeat(4,1fr);gap:12px}
.topic-index a{padding:14px;background:#1A232D;border:1px solid rgba(244,176,0,.14);border-radius:14px;color:#EEF2F7;text-decoration:none}
.topic-index a:hover{color:#F4B000}
.notice{padding:18px 20px;border:1px solid rgba(244,176,0,.14);border-radius:14px;background:#10161C}
.steps{counter-reset:step;display:grid;gap:14px}
.step{position:relative;padding:18px 18px 18px 58px;background:#1A232D;border-radius:14px;border:1px solid rgba(244,176,0,.12)}
.step:before{counter-increment:step;content:counter(step);position:absolute;left:18px;top:17px;width:28px;height:28px;display:grid;place-items:center;border-radius:50%;background:#F4B000;color:#141B22;font-weight:800}
.article-links{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:24px}
.article-links a{padding:14px;border-radius:12px;background:#222C36;text-decoration:none}
.hero-slider{position:relative;max-width:1180px;height:360px;margin:24px auto 0;border-radius:16px;background:#1A232D;overflow:hidden}
.hero-slide{position:absolute;inset:0;display:none}
.hero-slide.is-active{display:block}
.hero-slide .media{height:100%;aspect-ratio:auto;border-radius:0}
.hero-slide .media>img{object-fit:contain}
.hero-arrow{position:absolute;top:50%;transform:translateY(-50%);z-index:5;width:42px;height:42px;border:0;border-radius:50%;background:rgba(16,22,28,.82);color:#F4B000;font-size:24px;cursor:pointer}
.hero-prev{left:14px}.hero-next{right:14px}
.hero-dots{position:absolute;left:0;right:0;bottom:14px;z-index:6;display:flex;justify-content:center;gap:8px}
.hero-dot{width:9px;height:9px;border:0;border-radius:50%;background:#8D98A7;padding:0;cursor:pointer}
.hero-dot.is-active{background:#F4B000}
.mid-poster{max-width:1100px;margin:0 auto;height:220px}
.mid-poster .media{height:100%;aspect-ratio:auto}
.app-strip{display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center;background:#1A232D;border:1px solid rgba(244,176,0,.14);border-radius:16px;padding:22px}
.floating-tools{position:fixed;right:12px;top:38%;z-index:9000;display:flex;flex-direction:column;gap:8px;width:92px}
.floating-tools a,.floating-tools button{border:1px solid rgba(244,176,0,.16);background:#10161C;color:#F4B000;text-decoration:none;padding:10px 8px;border-radius:10px;text-align:center;font-size:13px;cursor:pointer}
.floating-tools .floating-primary{background:#F4B000;color:#141B22;font-weight:800}
.site-footer{background:#0B1015;padding:42px 18px 18px;margin-top:46px}
.footer-grid{max-width:1180px;margin:0 auto;display:grid;grid-template-columns:1.3fr repeat(3,1fr);gap:26px}
.site-footer h2{font-size:17px}
.site-footer p,.site-footer a{color:#D8DEE8;font-size:14px;line-height:1.8}
.site-footer a{display:block;text-decoration:none;margin:4px 0}
.footer-bottom{max-width:1180px;margin:26px auto 0;padding-top:18px;border-top:1px solid #222C36;color:#8D98A7;font-size:13px;line-height:1.7}
.mobile-bottom{display:none}
.mobile-drawer,.drawer-mask{display:none}
.table-wrap{overflow-x:auto}
.simple-table{width:100%;border-collapse:collapse;background:#1A232D;border-radius:14px;overflow:hidden}
.simple-table th,.simple-table td{padding:14px;border-bottom:1px solid #222C36;text-align:left}
.simple-table th{color:#F4B000;background:#10161C}
.faq-list details{background:#1A232D;border:1px solid rgba(244,176,0,.12);border-radius:14px;padding:16px 18px;margin:12px 0}
.faq-list summary{color:#F4B000;font-weight:800;cursor:pointer}
.faq-list details[open] summary{margin-bottom:10px}

@media(max-width:1100px){
  .floating-tools{display:none}
  .topic-index{grid-template-columns:repeat(3,1fr)}
  .hero-slider{height:290px}
}
@media(max-width:980px){
  .header-inner{min-height:64px;padding:0 12px}
  .nav-core,.channel-bar{display:none}
  .menu-toggle{display:inline-grid;place-items:center;width:42px;height:42px;border:1px solid rgba(244,176,0,.18);border-radius:10px;background:#1A232D;color:#F4B000;font-size:22px}
  .header-inner>.site-logo{position:absolute;left:50%;transform:translateX(-50%)}
  .header-inner>.main-btn{height:40px;min-width:auto;padding:0 14px;margin-left:auto}
  .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 #222C36}
  .drawer-close{width:40px;height:40px;border:0;border-radius:10px;background:#10161C;color:#F4B000;font-size:28px}
  .drawer-groups{padding:10px 16px 24px}
  .drawer-groups section{padding:10px 0;border-bottom:1px solid #222C36}
  .drawer-groups h2{font-size:14px;margin-bottom:8px}
  .drawer-groups a{display:block;color:#D8DEE8;text-decoration:none;padding:8px 0}
  .grid-4{grid-template-columns:repeat(2,1fr)}
  .split,.split.reverse,.app-strip{grid-template-columns:1fr}
  .hero-slider{height:250px}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:700px){
  .section{padding:34px 0}
  .grid-3,.grid-2{grid-template-columns:1fr}
  .topic-index{grid-template-columns:repeat(2,1fr)}
  .article-links{grid-template-columns:1fr}
  .hero-slider{height:190px;border-radius:14px}
  .mid-poster{height:145px}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9500;display:grid;grid-template-columns:repeat(4,1fr);background:#141B22;border-top:1px solid #222C36}
  .mobile-bottom a{text-align:center;padding:12px 4px;color:#F4B000;text-decoration:none;font-size:13px}
  body{padding-bottom:52px}
  .site-footer{margin-bottom:0}
  .footer-grid{grid-template-columns:1fr}
}
@media(max-width:430px){
  .header-inner{gap:8px}
  .header-inner>.site-logo img{max-width:132px;height:34px}
  .header-inner>.main-btn{font-size:13px;padding:0 10px}
  .menu-toggle{width:38px;height:38px}
}