*{box-sizing:border-box}
html{scroll-behavior:smooth;overflow-x:hidden}
body{margin:0;background:#151A23;color:#E8ECF5;font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;line-height:1.78;overflow-x:hidden}
a{color:#F1DCA3;text-decoration:none}a:hover{color:#fff}
img{max-width:100%}
button,input,textarea{font:inherit}
.site-header{position:sticky;top:0;z-index:9999;width:100%;background:#151A23;box-shadow:0 8px 24px rgba(0,0,0,.22);backdrop-filter:blur(10px)}
.header-inner{max-width:1280px;min-height:74px;margin:0 auto;padding:0 22px;display:flex;align-items:center;justify-content:space-between;gap:20px}
.site-logo,.drawer-logo,.footer-logo{display:inline-flex;align-items:center}
.site-logo img{display:block;height:46px;width:auto;max-width:160px;object-fit:contain}
.logo-placeholder{display:inline-flex;align-items:center;justify-content:center;min-width:116px;height:46px;padding:0 16px;border:1px solid rgba(241,220,163,.18);border-radius:12px;color:#F1DCA3;font-weight:800;letter-spacing:.08em}
.nav-core{display:flex;align-items:center;gap:18px;white-space:nowrap;flex-wrap:nowrap}
.nav-core a{color:#F1DCA3;padding:10px 4px;font-weight:700;text-decoration:none;border-bottom:2px solid transparent}
.nav-core a.active,.nav-core a:hover{border-color:#F1DCA3;color:#fff}
.header-actions{display:flex;align-items:center;gap:10px;white-space:nowrap}
.header-login{height:44px;min-width:72px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;color:#F1DCA3;border:1px solid rgba(241,220,163,.28);border-radius:999px;font-weight:700}
.header-reg-btn{height:44px;min-width:96px;padding:0 20px;display:inline-flex;align-items:center;justify-content:center;background:#F1DCA3;color:#151A23;border-radius:999px;text-decoration:none;font-weight:700;white-space:nowrap}
.header-reg-btn:hover,.btn-primary:hover{background:#E3C98F;color:#151A23}
.menu-toggle{display:none;background:none;border:0;padding:7px;width:42px;height:42px}
.menu-toggle span{display:block;height:2px;background:#F1DCA3;margin:5px 0;border-radius:2px}
.channel-bar{background:#1B2130;border-top:1px solid rgba(241,220,163,.08);border-bottom:1px solid rgba(241,220,163,.10)}
.channel-inner{max-width:1280px;margin:0 auto;padding:0 22px;display:flex;gap:20px;overflow-x:auto;scrollbar-width:thin}
.channel-inner a{color:#B8C0D3;white-space:nowrap;padding:11px 0;font-size:14px}
.channel-inner a:hover,.channel-inner a.active{color:#F1DCA3}
.site-main{min-height:60vh}
.container{max-width:1280px;margin:0 auto;padding:0 22px}
.reading{max-width:880px;margin:0 auto}
.section{padding:80px 0}
.section.compact{padding:54px 0}
.section.alt{background:#1B2130}
.eyebrow{display:inline-flex;padding:6px 10px;border:1px solid rgba(241,220,163,.20);border-radius:999px;color:#F1DCA3;font-size:13px;font-weight:700;letter-spacing:.06em}
h1,h2,h3{color:#F1DCA3;line-height:1.24;margin-top:0}
h1{font-size:clamp(34px,5vw,54px);margin-bottom:18px;letter-spacing:-.02em}
h2{font-size:clamp(26px,3vw,36px);margin-bottom:16px}
h3{font-size:20px}
p{margin:0 0 16px;color:#E8ECF5}
.lead{font-size:18px;color:#D5DBEA;max-width:820px}
.muted{color:#B8C0D3}
.hero{padding:58px 0 72px;background:linear-gradient(180deg,#151A23,#171D28)}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:38px;align-items:center}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.btn-primary{min-height:46px;padding:0 22px;display:inline-flex;align-items:center;justify-content:center;border-radius:999px;background:#F1DCA3;color:#151A23;font-weight:800}
.text-link{display:inline-flex;align-items:center;gap:6px;font-weight:700}
.media{position:relative;width:100%;max-width:100%;overflow:hidden;border-radius:16px;background:#151A23;border:1px solid rgba(241,220,163,.12)}
.media>img{position:absolute;inset:0;width:100%;height:100%;object-fit:contain;object-position:center center;display:block}
.media.banner{min-height:280px;max-height:340px}
.media.card-media{height:172px}
.media.feature-media{height:250px}
.media.app-media{height:240px}
.media.placeholder::before{content:"";display:block;position:absolute;inset:0;background:linear-gradient(135deg,#171D28,#202738)}
.slider{position:relative}
.slider .slide{display:none}.slider .slide.active{display:block}
.slider-dots{display:flex;justify-content:center;gap:8px;margin-top:12px}
.slider-dots button{width:10px;height:10px;border-radius:999px;border:0;background:#596277;padding:0}
.slider-dots button.active{background:#F1DCA3}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.card{background:#1B2130;border:1px solid rgba(241,220,163,.14);border-radius:18px;padding:22px;box-shadow:0 14px 36px rgba(0,0,0,.20);min-width:0}
.card.soft{background:#202738}
.card p:last-child{margin-bottom:0}
.card .media{margin-bottom:18px}
.card h3{margin-bottom:9px}
.topic-card{padding:0;overflow:hidden}
.topic-card .card-body{padding:18px}
.link-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.link-list a{display:flex;justify-content:space-between;gap:16px;padding:14px 16px;background:#202738;border:1px solid rgba(241,220,163,.12);border-radius:14px;color:#E8ECF5}
.link-list strong{color:#F1DCA3}
.feedback{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
.quote{background:#202738;border-left:3px solid #F1DCA3;border-radius:14px;padding:20px}
.quote p{color:#D5DBEA}
.faq-list{display:grid;gap:14px}
.faq-item{background:#1B2130;border:1px solid rgba(241,220,163,.14);border-radius:16px;padding:20px}
.faq-item h3{margin-bottom:8px}
.notice{padding:18px 20px;border:1px solid rgba(241,220,163,.18);background:#202738;border-radius:16px;color:#D5DBEA}
.tag-row{display:flex;flex-wrap:wrap;gap:9px;margin:18px 0 0}
.tag-row a,.tag-row span{padding:7px 10px;border-radius:999px;background:#252D40;color:#D5DBEA;font-size:14px}
.page-intro{padding:64px 0 36px}
.page-intro .lead{max-width:900px}
.content-article{max-width:880px;margin:0 auto;font-size:17px}
.content-article section{margin:0 0 46px}
.content-article ul{padding-left:22px}
.content-article li{margin-bottom:9px;color:#D5DBEA}
.split{display:grid;grid-template-columns:1fr 1fr;gap:28px;align-items:center}
.floating-tools{position:fixed;right:16px;top:36%;z-index:800;display:grid;gap:8px;width:112px}
.floating-tools a,.floating-tools button{min-height:42px;border:1px solid rgba(241,220,163,.16);background:#1B2130;color:#F1DCA3;border-radius:12px;padding:8px 10px;display:flex;align-items:center;justify-content:center;text-align:center;font-weight:700;box-shadow:0 10px 24px rgba(0,0,0,.18)}
.floating-tools .primary{background:#F1DCA3;color:#151A23}
.floating-tools button{cursor:pointer}
.site-footer{background:#0E121A;color:#D5DBEA;padding:58px 0 0}
.footer-grid{max-width:1280px;margin:0 auto;padding:0 22px 42px;display:grid;grid-template-columns:1.3fr .8fr .8fr .8fr;gap:28px}
.footer-logo img{height:44px;width:auto;max-width:150px;object-fit:contain}
.footer-brand p{color:#AEB6C8;max-width:340px;margin-top:16px}
.footer-grid h2{font-size:16px}
.footer-grid>div:not(.footer-brand){display:flex;flex-direction:column;gap:9px}
.footer-grid a{color:#D5DBEA}
.footer-bottom{border-top:1px solid rgba(241,220,163,.10);max-width:1280px;margin:0 auto;padding:20px 22px 28px;display:flex;justify-content:space-between;gap:24px}
.footer-bottom p{color:#8F98AD;font-size:13px;margin:0;max-width:900px}
.mobile-bottom{display:none}
.mobile-drawer{position:fixed;left:0;top:0;bottom:0;z-index:12000;width:min(84vw,320px);background:#1B2130;transform:translateX(-105%);transition:transform .24s ease;overflow-y:auto;padding:18px;border-right:1px solid rgba(241,220,163,.14)}
.mobile-drawer.open{transform:translateX(0)}
.drawer-mask{position:fixed;inset:0;z-index:11000;background:rgba(0,0,0,.56);opacity:0;transition:opacity .22s}
.drawer-mask.show{opacity:1}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:16px;padding-bottom:14px;border-bottom:1px solid rgba(241,220,163,.10)}
.drawer-logo img{height:40px;width:auto;max-width:140px;object-fit:contain}
.drawer-close{width:40px;height:40px;border:1px solid rgba(241,220,163,.16);background:#202738;color:#F1DCA3;border-radius:12px;font-size:28px;line-height:1}
.drawer-group{padding:16px 0;border-bottom:1px solid rgba(241,220,163,.09)}
.drawer-group h2{font-size:14px;color:#8F98AD;margin-bottom:8px;text-transform:uppercase}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:6px}
.drawer-links a{padding:9px 8px;color:#D5DBEA;border-radius:8px}
.drawer-links a:hover{background:#252D40}
body.drawer-open{overflow:hidden}
@media(max-width:1080px){
  .nav-core{gap:10px}.nav-core a{font-size:14px}.header-inner{gap:12px}.header-login{display:none}
  .grid-4{grid-template-columns:repeat(3,minmax(0,1fr))}
  .floating-tools{display:none}
}
@media(max-width:760px){
  body{padding-bottom:62px}
  .header-inner{min-height:64px;padding:0 14px;display:grid;grid-template-columns:42px 1fr auto;gap:8px}
  .menu-toggle{display:block}
  .site-logo{justify-self:center}.site-logo img{height:40px;max-width:132px}
  .nav-core,.channel-bar{display:none}
  .header-actions{justify-self:end}.header-login{display:none}
  .header-reg-btn{height:40px;min-width:76px;padding:0 13px;font-size:14px}
  .container{padding:0 16px}
  .hero{padding:38px 0 52px}.hero-grid,.split{grid-template-columns:1fr;gap:24px}
  .hero-grid .hero-copy{order:2}.hero-grid .slider{order:1}
  .section{padding:54px 0}.section.compact{padding:42px 0}
  .media.banner{min-height:210px;max-height:260px}
  .media.feature-media,.media.app-media{height:210px}
  .grid-2,.grid-3{grid-template-columns:1fr}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
  .topic-card .card-body{padding:14px}.topic-card .card-media{height:145px}
  .feedback{grid-template-columns:1fr}
  .link-list{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;padding:0 16px 34px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{padding:18px 16px 24px;flex-direction:column}
  .mobile-bottom{position:fixed;left:0;right:0;bottom:0;z-index:9000;height:58px;background:#151A23;border-top:1px solid rgba(241,220,163,.14);display:grid;grid-template-columns:repeat(4,1fr)}
  .mobile-bottom a{display:flex;align-items:center;justify-content:center;color:#F1DCA3;font-size:13px;font-weight:700}
  .page-intro{padding:44px 0 24px}
  .content-article{font-size:16px}
}
@media(max-width:390px){
  .header-inner{grid-template-columns:40px 1fr auto;padding:0 10px}
  .site-logo img{height:36px;max-width:116px}.logo-placeholder{min-width:94px;height:38px;padding:0 10px}
  .header-reg-btn{min-width:70px;padding:0 11px}
  .grid-4{gap:10px}.topic-card .card-media{height:132px}.topic-card .card-body{padding:12px}
}