:root{
  --theme:#0B3D91;
  --theme-deep:#071d45;
  --theme-soft:#eaf1ff;
  --theme-token:{主题色};
  --ink:#10213d;
  --muted:#64748b;
  --line:#dfe7f2;
  --surface:#ffffff;
  --page:#f5f8fc;
  --success:#0f9f6e;
  --warning:#d98a13;
  --radius:18px;
  --shadow:0 18px 50px rgba(11,61,145,.10);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  color:var(--ink);
  background:var(--page);
  font-family:"PingFang SC","Microsoft YaHei",Arial,sans-serif;
  line-height:1.7;
}
body.drawer-locked{overflow:hidden}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input,textarea,select{font:inherit}
button{cursor:pointer}
.container{
  width:min(1180px,calc(100% - 40px));
  margin:0 auto;
}
.topbar{
  min-height:38px;
  color:#dce8ff;
  background:var(--theme-deep);
  font-size:13px;
}
.topbar .container{
  min-height:38px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.topbar a{
  color:#dce8ff;
  margin-left:22px;
}
.topbar a:hover{color:#fff}
.header{
  position:relative;
  z-index:50;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--line);
  box-shadow:0 5px 20px rgba(15,36,72,.05);
}
.header-inner{
  min-height:76px;
  display:flex;
  align-items:center;
  gap:26px;
}
.logo{
  min-width:170px;
  display:flex;
  align-items:center;
  gap:11px;
  color:var(--theme-deep);
  font-size:19px;
  font-weight:800;
}
.logo img{
  width:42px;
  height:42px;
  object-fit:contain;
  border-radius:11px;
}
.main-nav{
  flex:1;
  align-self:stretch;
}
.nav-list{
  height:100%;
  margin:0;
  padding:0;
  display:flex;
  align-items:stretch;
  justify-content:center;
  list-style:none;
}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
}
.nav-link{
  height:100%;
  padding:0 14px;
  display:flex;
  align-items:center;
  color:#263852;
  font-size:15px;
  font-weight:650;
  white-space:nowrap;
}
.nav-link:hover,
.nav-item:focus-within>.nav-link{
  color:var(--theme);
}
.has-arrow::after{
  content:"";
  width:6px;
  height:6px;
  margin-left:7px;
  border-right:1.5px solid currentColor;
  border-bottom:1.5px solid currentColor;
  transform:rotate(45deg) translateY(-2px);
}
.dropdown-panel,
.mega-menu{
  position:absolute;
  top:100%;
  left:50%;
  z-index:60;
  visibility:hidden;
  opacity:0;
  transform:translate(-50%,10px);
  background:#fff;
  border:1px solid var(--line);
  border-radius:0 0 16px 16px;
  box-shadow:0 24px 55px rgba(7,29,69,.16);
  transition:opacity .2s ease,transform .2s ease,visibility .2s;
}
.dropdown-panel::before,
.mega-menu::before{
  content:"";
  position:absolute;
  left:0;
  right:0;
  bottom:100%;
  height:10px;
}
.dropdown-panel{
  width:320px;
  padding:18px;
}
.mega-menu{
  width:min(760px,80vw);
  padding:20px;
}
.nav-item:hover>.dropdown-panel,
.nav-item:hover>.mega-menu,
.nav-item:focus-within>.dropdown-panel,
.nav-item:focus-within>.mega-menu{
  visibility:visible;
  opacity:1;
  transform:translate(-50%,0);
}
.panel-title{
  margin:0 0 12px;
  color:var(--theme-deep);
  font-size:15px;
  font-weight:800;
}
.panel-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.panel-list a{
  padding:8px 11px;
  color:#43536c;
  background:#f3f6fb;
  border-radius:9px;
  font-size:13px;
}
.panel-list a:hover{
  color:var(--theme);
  background:var(--theme-soft);
}
.dropdown-panel .panel-list{
  display:grid;
  gap:5px;
}
.dropdown-panel .panel-list a{
  padding:9px 10px;
}
.mega-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:10px;
}
.mega-card{
  min-width:0;
  padding:13px;
  display:flex;
  flex-direction:column;
  gap:5px;
  border:1px solid #e6edf7;
  border-radius:12px;
  background:#fbfdff;
}
.mega-card:hover{
  border-color:#acc4ef;
  background:var(--theme-soft);
}
.mega-card strong{
  min-width:0;
  display:flex;
  align-items:center;
  gap:8px;
  color:#172b4d;
  overflow:hidden;
}
.mega-card strong img,
.mega-card>img{
  width:28px;
  height:28px;
  flex:0 0 auto;
  object-fit:contain;
  border-radius:7px;
}
.mega-card small{
  color:var(--muted);
  line-height:1.45;
}
.mega-footer{
  margin-top:14px;
  padding-top:12px;
  display:block;
  color:var(--theme);
  border-top:1px solid var(--line);
  font-size:14px;
  font-weight:750;
}
.header-btns{
  display:flex;
  align-items:center;
  gap:9px;
}
.member-btn,
.open-btn{
  padding:9px 14px;
  border-radius:9px;
  font-size:14px;
  font-weight:750;
  white-space:nowrap;
}
.member-btn{
  color:var(--theme);
  border:1px solid #bfd0ec;
  background:#fff;
}
.open-btn{
  color:#fff;
  border:1px solid var(--theme);
  background:var(--theme);
}
.member-btn:hover{background:var(--theme-soft)}
.open-btn:hover{background:#082f72}
.hamburger{
  width:43px;
  height:43px;
  padding:10px;
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  border:0;
  border-radius:10px;
  background:var(--theme-soft);
}
.hamburger span{
  width:100%;
  height:2px;
  display:block;
  background:var(--theme);
  transition:.2s ease;
}
.hamburger.active span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.active span:nth-child(2){opacity:0}
.hamburger.active span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
.drawer-overlay{
  position:fixed;
  inset:0;
  z-index:80;
  visibility:hidden;
  opacity:0;
  background:rgba(4,15,37,.62);
  transition:.25s ease;
}
.drawer-overlay.open{
  visibility:visible;
  opacity:1;
}
.mobile-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  z-index:90;
  width:min(390px,92vw);
  overflow-y:auto;
  transform:translateX(102%);
  background:#fff;
  box-shadow:-20px 0 50px rgba(0,0,0,.2);
  transition:transform .28s ease;
}
.mobile-drawer.open{transform:translateX(0)}
.drawer-head{
  min-height:70px;
  padding:12px 16px;
  display:flex;
  align-items:center;
  gap:12px;
  color:#fff;
  background:var(--theme-deep);
}
.drawer-head>span{
  min-width:0;
  flex:1;
  font-weight:750;
}
.drawer-head>a{
  padding:7px 13px;
  border:1px solid rgba(255,255,255,.4);
  border-radius:8px;
}
.drawer-close{
  width:38px;
  height:38px;
  color:#fff;
  border:0;
  background:transparent;
  font-size:29px;
  line-height:1;
}
.drawer-menu{padding:12px 16px 28px}
.drawer-link,
.drawer-toggle{
  width:100%;
  padding:14px 7px;
  display:block;
  color:#203552;
  border:0;
  border-bottom:1px solid var(--line);
  background:transparent;
  text-align:left;
  font-weight:750;
}
.drawer-toggle{
  position:relative;
}
.drawer-toggle::after{
  content:"+";
  position:absolute;
  right:8px;
  font-size:20px;
  font-weight:400;
}
.drawer-toggle.active::after{content:"−"}
.drawer-submenu{
  max-height:0;
  overflow:hidden;
  background:#f6f8fc;
  transition:max-height .3s ease;
}
.drawer-submenu.open{
  max-height:650px;
}
.drawer-submenu a{
  padding:10px 15px;
  display:block;
  color:#52627a;
  border-bottom:1px solid #e9eef6;
  font-size:14px;
}
.drawer-submenu a:hover{
  color:var(--theme);
  background:var(--theme-soft);
}
.ea-content-stack{
  min-height:660px;
}
.ea-content-stack .product-heading{
  padding:28px 0;
  color:#fff;
  background:
    radial-gradient(circle at 15% 20%,rgba(89,145,255,.35),transparent 28%),
    radial-gradient(circle at 83% 50%,rgba(53,117,232,.24),transparent 32%),
    linear-gradient(135deg,#061837,#0b3d91 65%,#12336b);
}
.ea-content-stack .breadcrumb{
  margin-bottom:18px;
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:9px;
  color:#cddcff;
  font-size:13px;
}
.ea-content-stack .breadcrumb a:hover{color:#fff}
.ea-content-stack .breadcrumb span::before{
  content:"/";
  margin-right:9px;
  color:#7fa4df;
}
.ea-content-stack .heading-row{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
}
.ea-content-stack .heading-copy{
  min-width:0;
}
.ea-content-stack .eyebrow{
  margin:0 0 7px;
  color:#aecaFF;
  font-size:13px;
  font-weight:800;
  letter-spacing:.12em;
}
.ea-content-stack h1{
  margin:0;
  color:#fff;
  font-size:clamp(29px,4vw,48px);
  line-height:1.22;
  overflow-wrap:anywhere;
}
.ea-content-stack .heading-meta{
  margin:14px 0 0;
  display:flex;
  flex-wrap:wrap;
  gap:8px 18px;
  color:#d9e5ff;
  font-size:14px;
}
.ea-content-stack .category-chip{
  flex:0 0 auto;
  padding:8px 14px;
  color:#fff;
  border:1px solid rgba(255,255,255,.35);
  border-radius:999px;
  background:rgba(255,255,255,.1);
  font-weight:700;
}
.ea-content-stack .product-overview{
  margin-top:34px;
  display:grid;
  grid-template-columns:minmax(300px,.88fr) minmax(0,1.12fr);
  gap:28px;
  align-items:stretch;
}
.ea-content-stack .product-gallery,
.ea-content-stack .product-summary-card,
.ea-content-stack .product-body,
.ea-content-stack .service-card,
.ea-content-stack .related-products{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  box-shadow:var(--shadow);
}
.ea-content-stack .product-gallery{
  min-width:0;
  padding:24px;
  display:flex;
  align-items:center;
  justify-content:center;
  overflow:hidden;
}
.ea-content-stack .product-gallery img{
  width:100%;
  max-height:430px;
  object-fit:contain;
  border-radius:13px;
}
.ea-content-stack .product-summary-card{
  min-width:0;
  padding:30px;
}
.ea-content-stack .summary-label{
  margin:0 0 8px;
  color:var(--theme);
  font-size:13px;
  font-weight:800;
  letter-spacing:.1em;
}
.ea-content-stack .product-summary-card h2{
  margin:0 0 14px;
  color:var(--theme-deep);
  font-size:25px;
  line-height:1.35;
}
.ea-content-stack .product-summary{
  margin:0;
  color:#4f6078;
  font-size:16px;
  line-height:1.9;
  overflow-wrap:anywhere;
}
.ea-content-stack .product-facts{
  margin:23px 0;
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:10px;
}
.ea-content-stack .fact{
  min-width:0;
  padding:13px 14px;
  border:1px solid #e5ecf6;
  border-radius:11px;
  background:#f8faff;
}
.ea-content-stack .fact span{
  display:block;
  color:var(--muted);
  font-size:12px;
}
.ea-content-stack .fact strong{
  display:block;
  margin-top:3px;
  color:#213958;
  font-size:14px;
  overflow-wrap:anywhere;
}
.ea-content-stack .product-actions{
  display:flex;
  flex-wrap:wrap;
  gap:11px;
}
.ea-content-stack .primary-action,
.ea-content-stack .secondary-action{
  min-height:46px;
  padding:11px 20px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:10px;
  font-weight:800;
}
.ea-content-stack .primary-action{
  color:#fff;
  background:var(--theme);
}
.ea-content-stack .primary-action:hover{background:#082f72}
.ea-content-stack .secondary-action{
  color:var(--theme);
  border:1px solid #bdd0ee;
  background:var(--theme-soft);
}
.ea-content-stack .risk-note{
  margin:17px 0 0;
  padding:11px 13px;
  color:#7a5714;
  border-left:3px solid var(--warning);
  background:#fff8e7;
  font-size:13px;
}
.ea-content-stack .content-layout{
  margin-top:28px;
  margin-bottom:34px;
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:26px;
  align-items:start;
}
.ea-content-stack .product-body{
  min-width:0;
  max-width:100%;
  padding:32px;
  overflow-x:auto;
}
.ea-content-stack .product-body h2,
.ea-content-stack .product-body h3,
.ea-content-stack .product-body h4{
  color:var(--theme-deep);
  line-height:1.45;
}
.ea-content-stack .product-body h2{
  margin:0 0 20px;
  padding-bottom:13px;
  border-bottom:1px solid var(--line);
  font-size:25px;
}
.ea-content-stack .product-body h3{
  margin-top:28px;
  font-size:21px;
}
.ea-content-stack .product-body p,
.ea-content-stack .product-body li{
  color:#40536e;
  line-height:1.9;
}
.ea-content-stack .product-body img,
.ea-content-stack .product-body video,
.ea-content-stack .product-body iframe,
.ea-content-stack .product-body table{
  max-width:100%;
}
.ea-content-stack .product-body table{
  width:100%;
  border-collapse:collapse;
}
.ea-content-stack .product-body th,
.ea-content-stack .product-body td{
  padding:10px;
  border:1px solid var(--line);
}
.ea-content-stack .product-body pre{
  max-width:100%;
  padding:16px;
  overflow-x:auto;
  border-radius:10px;
  background:#081b3d;
  color:#e6efff;
}
.ea-content-stack .side-stack{
  display:grid;
  gap:18px;
}
.ea-content-stack .service-card{
  padding:22px;
}
.ea-content-stack .service-card h2{
  margin:0 0 12px;
  color:var(--theme-deep);
  font-size:19px;
}
.ea-content-stack .service-card p{
  margin:0 0 15px;
  color:var(--muted);
  font-size:14px;
}
.ea-content-stack .service-list{
  margin:0 0 18px;
  padding:0;
  list-style:none;
}
.ea-content-stack .service-list li{
  position:relative;
  padding:8px 0 8px 22px;
  color:#40536e;
  border-bottom:1px dashed #e2e9f3;
  font-size:14px;
}
.ea-content-stack .service-list li::before{
  content:"✓";
  position:absolute;
  left:0;
  color:var(--success);
  font-weight:900;
}
.ea-content-stack .service-card .primary-action{
  width:100%;
}
.ea-content-stack .related-products{
  margin-bottom:50px;
  padding:28px;
}
.ea-content-stack .section-head{
  margin-bottom:20px;
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
}
.ea-content-stack .section-head h2{
  margin:0;
  color:var(--theme-deep);
  font-size:26px;
}
.ea-content-stack .section-head p{
  margin:0;
  color:var(--muted);
  font-size:14px;
}
.ea-content-stack .related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:16px;
}
.ea-content-stack .related-card{
  min-width:0;
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:14px;
  background:#fff;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.ea-content-stack .related-card:hover{
  transform:translateY(-4px);
  border-color:#aec5ed;
  box-shadow:0 16px 35px rgba(11,61,145,.12);
}
.ea-content-stack .related-image{
  height:160px;
  padding:14px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#f3f7fd;
}
.ea-content-stack .related-image img{
  width:100%;
  height:100%;
  object-fit:contain;
}
.ea-content-stack .related-copy{
  padding:17px;
}
.ea-content-stack .related-copy h3{
  margin:0 0 8px;
  color:#172f52;
  font-size:17px;
  line-height:1.5;
}
.ea-content-stack .related-copy p{
  margin:0 0 12px;
  color:var(--muted);
  font-size:14px;
  line-height:1.7;
  display:-webkit-box;
  overflow:hidden;
  -webkit-box-orient:vertical;
  -webkit-line-clamp:3;
}
.ea-content-stack .related-meta{
  display:flex;
  justify-content:space-between;
  gap:10px;
  color:#7a899e;
  font-size:12px;
}
.footer{
  color:#d4def0;
  background:#06152f;
}
.footer .container{padding-top:52px}
.footer-grid{
  display:grid;
  grid-template-columns:1.45fr repeat(3,1fr);
  gap:42px;
}
.footer h3{
  margin:0 0 16px;
  color:#fff;
  font-size:16px;
}
.footer-brand strong{
  color:#fff;
  font-size:22px;
}
.footer-brand p{
  margin:12px 0 0;
  color:#aebcd2;
  font-size:14px;
}
.footer-grid>div:not(.footer-brand)>a{
  margin:0 0 9px;
  display:block;
  color:#b9c7dc;
  font-size:14px;
}
.footer-grid a:hover{color:#fff}
.footer-bottom{
  margin-top:38px;
  padding:20px 0;
  display:flex;
  justify-content:space-between;
  gap:20px;
  color:#8fa1ba;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
}
@media (max-width:1080px){
  .main-nav{display:none}
  .hamburger{display:flex}
  .header-inner{min-height:70px}
  .header-btns{margin-left:auto}
  .ea-content-stack .content-layout{
    grid-template-columns:minmax(0,1fr) 270px;
  }
}
@media (max-width:860px){
  .ea-content-stack .product-overview,
  .ea-content-stack .content-layout{
    grid-template-columns:1fr;
  }
  .ea-content-stack .side-stack{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .ea-content-stack .related-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
  .footer-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
  }
}
@media (max-width:640px){
  .container{width:min(100% - 28px,1180px)}
  .topbar .container{
    padding:7px 0;
    display:block;
    line-height:1.7;
  }
  .topbar .container>span{display:block}
  .topbar a{
    margin:0 14px 0 0;
  }
  .logo{
    min-width:0;
    font-size:16px;
  }
  .logo img{
    width:37px;
    height:37px;
  }
  .member-btn{display:none}
  .open-btn{
    padding:8px 11px;
    font-size:13px;
  }
  .ea-content-stack .product-heading{padding:21px 0 25px}
  .ea-content-stack .heading-row{
    display:block;
  }
  .ea-content-stack .category-chip{
    margin-top:16px;
    display:inline-flex;
  }
  .ea-content-stack .product-overview{margin-top:20px}
  .ea-content-stack .product-gallery,
  .ea-content-stack .product-summary-card,
  .ea-content-stack .product-body,
  .ea-content-stack .related-products{
    padding:20px;
  }
  .ea-content-stack .product-facts{
    grid-template-columns:1fr;
  }
  .ea-content-stack .product-actions{
    display:grid;
    grid-template-columns:1fr;
  }
  .ea-content-stack .side-stack,
  .ea-content-stack .related-grid{
    grid-template-columns:1fr;
  }
  .ea-content-stack .section-head{
    display:block;
  }
  .ea-content-stack .section-head p{margin-top:6px}
  .footer-grid{
    grid-template-columns:1fr;
    gap:26px;
  }
  .footer-bottom{
    display:block;
  }
  .footer-bottom span{
    margin-bottom:7px;
    display:block;
  }
}