*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:#101115;color:#EDEFF5;
  font-family:Arial,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.78;overflow-x:hidden;
}
body.drawer-open{overflow:hidden}
img{max-width:100%}
a{color:inherit}
button,input,textarea{font:inherit}
.site-header{
  position:sticky;top:0;z-index:9999;width:100%;
  background:#101115;
  box-shadow:0 8px 24px rgba(0,0,0,.28);
  backdrop-filter:blur(10px);
}
.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:inline-flex;align-items:center;text-decoration:none;flex:0 0 auto;
}
.site-logo img{
  display:block;height:40px;width:auto;max-width:160px;object-fit:contain;
}
.logo-placeholder{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:124px;height:40px;padding:0 14px;border:1px solid rgba(248,200,74,.16);
  border-radius:10px;background:#15161A;color:#F8C84A;font-weight:800;letter-spacing:.08em;
}
.nav-core{
  display:flex;align-items:center;justify-content:center;gap:2px;
  min-width:0;white-space:nowrap;
}
.nav-core a{
  color:#F8C84A;padding:8px 11px;font-weight:700;text-decoration:none;white-space:nowrap;
}
.nav-core a.is-current,.nav-core a:hover{
  color:#FFE45A;
  border-bottom:2px solid #F8C84A;
}
.main-btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:42px;min-width:96px;padding:0 20px;
  background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);
  color:#101115;border-radius:999px;text-decoration:none;font-weight:700;
  box-shadow:0 10px 24px rgba(243,148,31,.28);
  border:0;white-space:nowrap;
}
.header-action{flex:0 0 auto}
.menu-toggle{display:none}
.channel-strip{background:#15161A;border-top:1px solid rgba(248,200,74,.08);border-bottom:1px solid rgba(248,200,74,.08)}
.channel-inner{
  max-width:1180px;margin:0 auto;padding:0 18px;display:flex;align-items:center;gap:6px;
  overflow-x:auto;overscroll-behavior-x:contain;scrollbar-width:thin;
}
.channel-inner a{
  flex:0 0 auto;padding:10px 10px;color:#B8BEC9;text-decoration:none;font-size:14px;white-space:nowrap;
}
.channel-inner a:hover,.channel-inner a.is-current{color:#F8C84A}
.mobile-drawer,
.drawer-mask{display:none}

.site-main{min-height:60vh;padding-right:60px}
.container{width:min(1180px,calc(100% - 36px));margin:0 auto}
.reading{width:min(840px,calc(100% - 36px));margin:0 auto}
.section{padding:56px 0}
.section-tight{padding:34px 0}
.section-title{
  margin:0 0 18px;color:#F8C84A;font-size:clamp(24px,3vw,34px);line-height:1.25;
}
.eyebrow{margin:0 0 8px;color:#8E96A6;font-size:14px;letter-spacing:.08em}
h1{
  margin:0 0 18px;color:#F8C84A;font-size:clamp(34px,4.4vw,46px);line-height:1.16;letter-spacing:-.02em;
}
h2{color:#F8C84A;line-height:1.28}
h3{color:#EDEFF5;line-height:1.35}
p{margin:0 0 16px}
.muted{color:#B8BEC9}
.small-note{color:#8E96A6;font-size:14px}
.panel,.text-card,.link-card,.faq-item,.notice-strip,.step-item{
  background:#15161A;border:1px solid rgba(248,200,74,.16);
  border-radius:15px;box-shadow:0 14px 36px rgba(0,0,0,.35);
}
.panel{padding:26px}
.text-card{padding:22px}
.text-card h2,.text-card h3,.panel h2,.panel h3{margin-top:0}
.link-card{display:block;padding:18px 20px;text-decoration:none;transition:transform .16s ease,border-color .16s ease}
.link-card:hover{transform:translateY(-2px);border-color:rgba(248,200,74,.38)}
.link-card strong{display:block;color:#F8C84A;margin-bottom:5px}
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:16px}
.split{
  display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,.92fr);gap:28px;align-items:center;
}
.split.reverse{grid-template-columns:minmax(0,.92fr) minmax(0,1.08fr)}
.split.reverse .split-copy{order:2}
.split.reverse .split-media{order:1}
.hero-inner{padding:50px 0 28px}
.hero-inner .lead{font-size:18px;color:#D8DEEA;max-width:780px}
.media{
  position:relative;width:100%;max-width:100%;overflow:hidden;
  border-radius:14px;background:#15161A;
  aspect-ratio:16/9;
  border:1px solid rgba(248,200,74,.1);
}
.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:
    linear-gradient(135deg,#15161A 0%,#202127 52%,#15161A 100%);
}
.media.small-media{min-height:150px;max-height:176px}
.media.feature-media{min-height:200px;max-height:240px}
.breadcrumbs{
  display:flex;flex-wrap:wrap;gap:8px;margin-bottom:16px;color:#8E96A6;font-size:14px;
}
.breadcrumbs a{text-decoration:none;color:#B8BEC9}
.breadcrumbs a:hover{color:#F8C84A}
.prose{font-size:17px;line-height:1.85}
.prose h2{margin:34px 0 12px;font-size:26px}
.prose h3{margin:26px 0 10px;font-size:20px}
.prose ul,.prose ol{padding-left:1.25em}
.prose li{margin:8px 0}
.toc-links{display:flex;flex-wrap:wrap;gap:10px;margin:18px 0 0}
.toc-links a,.topic-pills a{
  text-decoration:none;border:1px solid rgba(248,200,74,.16);background:#1B1C21;color:#D8DEEA;
  border-radius:999px;padding:8px 13px;white-space:nowrap;
}
.toc-links a:hover,.topic-pills a:hover{color:#F8C84A;border-color:rgba(248,200,74,.4)}
.topic-pills{
  display:flex;gap:10px;overflow-x:auto;padding:4px 0 10px;overscroll-behavior-x:contain;
}
.topic-pills a{flex:0 0 auto}
.steps{display:grid;gap:14px;counter-reset:step}
.step-item{position:relative;padding:20px 20px 20px 62px;counter-increment:step}
.step-item:before{
  content:counter(step);position:absolute;left:20px;top:20px;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;background:#202127;color:#F8C84A;font-weight:800;
  border:1px solid rgba(248,200,74,.2);
}
.related-row{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px}
.read-boundary{
  width:min(820px,calc(100% - 36px));margin:0 auto;padding:24px 26px;
  border-left:3px solid #F8C84A;background:#15161A;border-radius:0 14px 14px 0;color:#D8DEEA;
}
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.compare-grid .panel{background:#1B1C21}
.index-carousel-wrap{padding:28px 0 10px}
.carousel{
  position:relative;width:min(1180px,calc(100% - 36px));height:340px;margin:0 auto;
  overflow:hidden;border-radius:16px;background:#15161A;box-shadow:0 14px 36px rgba(0,0,0,.35);
}
.carousel-slide{position:absolute;inset:0;opacity:0;pointer-events:none;transition:opacity .3s ease}
.carousel-slide.is-active{opacity:1;pointer-events:auto}
.carousel-slide .media{height:100%;aspect-ratio:auto;border:0;border-radius:0}
.carousel-slide .media > img{object-fit:contain}
.carousel-prev,.carousel-next{
  position:absolute;top:50%;transform:translateY(-50%);z-index:3;width:42px;height:42px;border-radius:50%;
  border:1px solid rgba(248,200,74,.25);background:rgba(16,17,21,.78);color:#F8C84A;cursor:pointer;
}
.carousel-prev{left:14px}.carousel-next{right:14px}
.carousel-dots{position:absolute;left:50%;bottom:12px;transform:translateX(-50%);z-index:3;display:flex;gap:8px}
.carousel-dot{width:9px;height:9px;border-radius:50%;border:0;background:#8E96A6;cursor:pointer;padding:0}
.carousel-dot.is-active{background:#F8C84A}
.magazine{
  display:grid;grid-template-columns:minmax(0,58fr) minmax(0,42fr);gap:22px;align-items:stretch;
}
.magazine-main{
  background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:16px;padding:24px;
  box-shadow:0 14px 36px rgba(0,0,0,.35);
}
.magazine-main .media{margin-top:20px;min-height:210px;max-height:240px}
.magazine-side{display:grid;gap:14px}
.magazine-side a{text-decoration:none}
.home-triple .text-card{min-height:100%}
.inline-links{display:flex;flex-wrap:wrap;gap:12px}
.inline-links a{color:#F8C84A;text-decoration:none}
.inline-links a:hover{text-decoration:underline}
.faq-list{display:grid;gap:14px}
.faq-item{padding:22px}
.faq-item h2{font-size:20px;margin:0 0 10px}
.notice-strip{padding:20px 22px;color:#D8DEEA}
.service-index{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.service-index a{text-decoration:none}
.list-clean{list-style:none;margin:0;padding:0}
.list-clean li{padding:10px 0;border-bottom:1px solid rgba(248,200,74,.1)}
.list-clean li:last-child{border-bottom:0}
.site-footer{background:#08090C;color:#D8DEEA;padding:48px 60px 26px 0;margin-top:56px}
.footer-grid{
  width:min(1180px,calc(100% - 36px));margin:0 auto;display:grid;
  grid-template-columns:1.25fr .85fr 1.3fr 1fr;gap:28px;
}
.footer-grid h2{font-size:17px;margin:0 0 12px}
.footer-grid a{display:block;color:#B8BEC9;text-decoration:none;margin:6px 0}
.footer-grid a:hover{color:#F8C84A}
.footer-brand p{color:#8E96A6;font-size:14px}
.footer-logo img{height:38px;width:auto;max-width:160px;object-fit:contain;margin-bottom:14px}
.footer-bottom{
  width:min(1180px,calc(100% - 36px));margin:30px auto 0;padding-top:20px;
  border-top:1px solid rgba(248,200,74,.12);color:#8E96A6;font-size:13px;
}
.floating-tools{
  position:fixed;right:14px;top:38%;z-index:7000;width:112px;
  display:flex;flex-direction:column;gap:8px;
}
.floating-tools a{
  display:flex;align-items:center;justify-content:center;min-height:40px;padding:7px 9px;
  background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:10px;color:#F8C84A;
  text-decoration:none;text-align:center;font-size:13px;box-shadow:0 10px 24px rgba(0,0,0,.28);
}
.floating-tools .float-register{background:linear-gradient(180deg,#FFE45A 0%,#F8B832 45%,#F3941F 100%);color:#101115}
.mobile-bottom{display:none}

@media(max-width:1200px){
  .header-inner,.channel-inner{padding-right:72px}
}
@media(max-width:980px){
  body{padding-bottom:68px}
  .site-main,.site-footer{padding-right:0}
  .header-inner{
    min-height:64px;padding:0 14px;display:grid;grid-template-columns:48px 1fr auto;gap:10px;
  }
  .site-logo{justify-self:center}
  .site-logo img{height:36px;max-width:148px}
  .menu-toggle{
    display:inline-flex;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;
    background:#15161A;border:1px solid rgba(248,200,74,.16);border-radius:10px;color:#F8C84A;cursor:pointer;
  }
  .menu-toggle span{width:19px;height:2px;background:#F8C84A;border-radius:2px}
  .nav-core,.channel-strip{display:none}
  .header-action{height:40px;min-width:84px;padding:0 14px}
  .mobile-drawer{
    display:block;
    position:fixed;
    inset:0 auto 0 0;
    width:min(84vw,320px);
    background:#15161A;
    z-index:12000;
    transform:translateX(-105%);
    transition:transform .2s ease;
    box-shadow:18px 0 40px rgba(0,0,0,.36);
    overflow-y:auto;
    padding-bottom:30px;
  }
  .mobile-drawer.is-open{transform:translateX(0)}
  .drawer-mask{
    display:none;
    position:fixed;
    inset:0;
    background:rgba(0,0,0,.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-top{
    display:flex;align-items:center;justify-content:space-between;padding:14px;
    border-bottom:1px solid rgba(248,200,74,.12);position:sticky;top:0;background:#15161A;z-index:2;
  }
  .drawer-logo img{height:34px;width:auto;max-width:150px;object-fit:contain}
  .drawer-close{
    width:40px;height:40px;border:1px solid rgba(248,200,74,.18);border-radius:10px;background:#202127;
    color:#F8C84A;font-size:28px;line-height:1;cursor:pointer;
  }
  .drawer-nav{padding:8px 14px 20px}
  .drawer-nav section{padding:12px 0;border-bottom:1px solid rgba(248,200,74,.1)}
  .drawer-nav h2{font-size:13px;letter-spacing:.08em;color:#8E96A6;margin:0 0 6px}
  .drawer-nav a{display:block;padding:8px 4px;text-decoration:none;color:#EDEFF5}
  .drawer-nav a:hover{color:#F8C84A}
  .floating-tools{display:none}
  .mobile-bottom{
    display:grid;grid-template-columns:repeat(4,1fr);position:fixed;left:0;right:0;bottom:0;z-index:8000;
    min-height:58px;background:#101115;border-top:1px solid rgba(248,200,74,.16);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-bottom a{
    display:flex;align-items:center;justify-content:center;color:#D8DEEA;text-decoration:none;font-size:14px;
  }
  .mobile-bottom a:hover{color:#F8C84A}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr))}
  .split,.split.reverse{grid-template-columns:1fr}
  .split.reverse .split-copy,.split.reverse .split-media{order:initial}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .carousel{height:260px}
}
@media(max-width:720px){
  .container,.reading,.carousel,.footer-grid,.footer-bottom,.read-boundary{width:min(100% - 28px,1180px)}
  .section{padding:40px 0}
  .section-tight{padding:28px 0}
  h1{font-size:clamp(26px,8vw,32px)}
  .hero-inner{padding:34px 0 16px}
  .hero-inner .lead{font-size:17px}
  .grid-2,.grid-3,.grid-4,.compare-grid,.related-row,.service-index{grid-template-columns:1fr}
  .magazine{grid-template-columns:1fr}
  .magazine-main{padding:20px}
  .carousel{height:180px}
  .carousel-prev,.carousel-next{width:36px;height:36px}
  .panel,.text-card{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding-top:38px}
  .prose{font-size:16px}
  .prose h2{font-size:23px}
}
@media(max-width:430px){
  .header-inner{grid-template-columns:44px minmax(0,1fr) auto;padding:0 10px;gap:8px}
  .site-logo img{max-width:132px;height:34px}
  .logo-placeholder{min-width:108px;height:36px;padding:0 9px;font-size:14px}
  .header-action{min-width:78px;padding:0 12px;font-size:14px}
}
@media(max-width:390px){
  .header-inner{grid-template-columns:42px minmax(0,1fr) auto}
  .menu-toggle{width:40px;height:40px}
  .site-logo img{max-width:122px;height:32px}
  .header-action{min-width:74px;padding:0 10px;font-size:13px}
}
@media(max-width:375px){
  .header-inner{padding:0 8px;gap:6px}
  .site-logo img{max-width:112px;height:30px}
  .header-action{min-width:70px;padding:0 9px}
}