:root{
      --primary:#0B3D91;
      --primary-dark:#072b68;
      --primary-light:#eaf1ff;
      --template-theme:{主题色};
      --ink:#172033;
      --muted:#647086;
      --line:#dfe5ee;
      --surface:#ffffff;
      --soft:#f5f7fa;
      --success:#35715a;
      --radius:16px;
      --shadow:0 16px 42px rgba(23,32,51,.10);
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#f5f7fa;
      font-family:"Microsoft YaHei","PingFang SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      line-height:1.7;
      overflow-x:hidden;
    }
    body,a,button,input,textarea{font:inherit}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button{color:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#eaf1ff;
      background:#071b3b;
      font-size:13px;
    }
    .topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-links{display:flex;align-items:center;gap:20px}
    .topbar a{transition:color .2s ease}
    .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(23,32,51,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:26px;
    }
    .logo{
      min-width:180px;
      display:flex;
      align-items:center;
      gap:11px;
      color:var(--primary-dark);
      font-size:19px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{margin-left:auto;align-self:stretch}
    .nav-list{
      height:100%;
      display:flex;
      align-items:stretch;
      gap:2px;
      padding:0;
      margin:0;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-link{
      height:100%;
      display:flex;
      align-items:center;
      padding:0 13px;
      color:#273249;
      font-size:15px;
      font-weight:650;
      white-space:nowrap;
      transition:color .2s ease,background .2s ease;
    }
    .nav-link:hover,
    .nav-item:focus-within>.nav-link{
      color:var(--primary);
      background:var(--primary-light);
    }
    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin:0 0 4px 8px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
      transition:transform .2s ease;
    }
    .nav-item:hover .has-arrow::after,
    .nav-item:focus-within .has-arrow::after{
      transform:translateY(3px) rotate(225deg);
    }
    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      right:0;
      z-index:70;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translateY(10px);
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:var(--shadow);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    }
    .dropdown-panel::before,
    .mega-menu::before{
      content:"";
      position:absolute;
      right:0;
      bottom:100%;
      width:100%;
      height:10px;
    }
    .nav-item:hover>.dropdown-panel,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
      pointer-events:auto;
      transform:translateY(0);
    }
    .dropdown-panel{
      width:340px;
      padding:22px;
    }
    .dropdown-title,
    .mega-heading{
      margin:0 0 13px;
      color:var(--primary-dark);
      font-size:15px;
      font-weight:800;
    }
    .dropdown-list{
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:8px;
    }
    .dropdown-list a{
      padding:9px 11px;
      overflow:hidden;
      color:#43506a;
      background:var(--soft);
      border-radius:9px;
      font-size:13px;
      text-overflow:ellipsis;
      white-space:nowrap;
      transition:color .2s ease,background .2s ease;
    }
    .dropdown-list a:hover{color:var(--primary);background:var(--primary-light)}
    .mega-menu{
      width:min(840px,calc(100vw - 40px));
      padding:24px;
    }
    .nav-item:nth-last-child(-n+3) .mega-menu{right:0}
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      display:grid;
      grid-template-columns:52px minmax(0,1fr);
      grid-template-rows:auto auto auto;
      column-gap:11px;
      padding:12px;
      border:1px solid #e6ebf2;
      border-radius:12px;
      background:#fff;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#aac0eb;
      box-shadow:0 10px 24px rgba(11,61,145,.09);
    }
    .mega-card img{
      grid-row:1/4;
      width:52px;
      height:52px;
      padding:3px;
      object-fit:contain;
      background:#f3f6fb;
      border-radius:10px;
    }
    .mega-card strong{
      min-width:0;
      overflow:hidden;
      color:#26334a;
      font-size:14px;
      line-height:1.4;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card small{
      min-width:0;
      overflow:hidden;
      color:var(--muted);
      font-size:11px;
      line-height:1.45;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-footer{
      display:block;
      margin-top:16px;
      padding:11px 14px;
      color:#fff;
      background:var(--primary);
      border-radius:10px;
      text-align:center;
      font-size:13px;
      font-weight:700;
      transition:background .2s ease;
    }
    .mega-footer:hover{background:var(--primary-dark)}
    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .member-link,
    .open-account{
      min-height:40px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      padding:8px 15px;
      border-radius:10px;
      font-size:14px;
      font-weight:700;
    }
    .member-link{
      color:var(--primary);
      border:1px solid #b8c9e8;
      background:#fff;
    }
    .open-account{
      color:#fff;
      background:var(--primary);
      box-shadow:0 8px 20px rgba(11,61,145,.2);
    }
    .hamburger{
      width:42px;
      height:42px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      padding:0;
      border:1px solid var(--line);
      border-radius:10px;
      background:#fff;
      cursor:pointer;
    }
    .hamburger span{
      width:20px;
      height:2px;
      background:var(--ink);
      border-radius:2px;
      transition:transform .2s ease,opacity .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:90;
      visibility:hidden;
      opacity:0;
      background:rgba(4,16,36,.56);
      backdrop-filter:blur(3px);
      transition:opacity .25s ease,visibility .25s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:100;
      width:min(390px,90vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-24px 0 50px rgba(4,16,36,.2);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:72px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px 18px;
      color:var(--primary-dark);
      border-bottom:1px solid var(--line);
      font-weight:700;
    }
    .drawer-head>a{
      padding:7px 11px;
      color:#fff;
      background:var(--primary);
      border-radius:8px;
      font-size:13px;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      padding:0;
      color:#344158;
      background:#f2f5f9;
      border:0;
      border-radius:9px;
      font-size:28px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:10px 18px 30px}
    .drawer-link,
    .drawer-toggle{
      width:100%;
      min-height:49px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:11px 4px;
      color:#28354c;
      background:transparent;
      border:0;
      border-bottom:1px solid #e9edf3;
      font-weight:700;
      text-align:left;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--primary);
      font-size:20px;
      font-weight:400;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:7px 0 9px 13px;
      border-bottom:1px solid #e9edf3;
    }
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{
      padding:8px 10px;
      color:var(--muted);
      border-left:2px solid #d9e2f2;
      font-size:13px;
    }
    .drawer-submenu a:hover{color:var(--primary);border-left-color:var(--primary)}

    .ea-content-stack{
      min-width:0;
      padding-bottom:74px;
    }
    .ea-content-stack .product-hero{
      position:relative;
      overflow:hidden;
      padding:58px 0 86px;
      color:#fff;
      background:
        radial-gradient(circle at 15% 20%,rgba(124,164,231,.25),transparent 28%),
        radial-gradient(circle at 88% 68%,rgba(62,115,202,.22),transparent 31%),
        linear-gradient(135deg,#061a3d 0%,#0B3D91 57%,#12346c 100%);
    }
    .ea-content-stack .product-hero::before,
    .ea-content-stack .product-hero::after{
      content:"";
      position:absolute;
      border:1px solid rgba(255,255,255,.12);
      border-radius:50%;
    }
    .ea-content-stack .product-hero::before{
      width:460px;
      height:460px;
      top:-290px;
      right:8%;
    }
    .ea-content-stack .product-hero::after{
      width:260px;
      height:260px;
      bottom:-190px;
      left:6%;
    }
    .ea-content-stack .breadcrumbs{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:24px;
      color:#d9e5fb;
      font-size:14px;
    }
    .ea-content-stack .breadcrumbs a:hover{color:#fff}
    .ea-content-stack .category-pill{
      position:relative;
      z-index:1;
      display:inline-flex;
      align-items:center;
      gap:8px;
      padding:7px 13px;
      margin-bottom:16px;
      color:#eef4ff;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.2);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }
    .ea-content-stack .category-pill::before{
      content:"";
      width:7px;
      height:7px;
      background:#a9d1b7;
      border-radius:50%;
      box-shadow:0 0 0 5px rgba(169,209,183,.15);
    }
    .ea-content-stack .product-hero h1{
      position:relative;
      z-index:1;
      max-width:900px;
      margin:0;
      font-size:clamp(34px,5vw,58px);
      line-height:1.18;
      letter-spacing:-.03em;
    }
    .ea-content-stack .product-hero .lead{
      position:relative;
      z-index:1;
      max-width:820px;
      margin:19px 0 0;
      color:#dce7f8;
      font-size:17px;
      line-height:1.85;
    }
    .ea-content-stack .product-meta{
      position:relative;
      z-index:1;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:27px;
    }
    .ea-content-stack .product-meta span{
      padding:7px 12px;
      color:#e4edfb;
      background:rgba(2,15,37,.25);
      border:1px solid rgba(255,255,255,.14);
      border-radius:9px;
      font-size:13px;
    }
    .ea-content-stack .product-shell{
      position:relative;
      z-index:2;
      width:min(1180px,calc(100% - 40px));
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:28px;
      margin:-45px auto 0;
      align-items:start;
    }
    .ea-content-stack .product-main-card,
    .ea-content-stack .product-side-card{
      background:#fff;
      border:1px solid #e1e7ef;
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .ea-content-stack .product-main-card{
      min-width:0;
      overflow:hidden;
    }
    .ea-content-stack .product-cover{
      padding:22px;
      background:linear-gradient(145deg,#eef3f8,#f9fbfd);
      border-bottom:1px solid var(--line);
    }
    .ea-content-stack .product-cover img{
      width:100%;
      max-height:500px;
      object-fit:contain;
      margin:auto;
      background:#fff;
      border-radius:13px;
      box-shadow:0 12px 32px rgba(29,43,68,.09);
    }
    .ea-content-stack .product-section{padding:30px}
    .ea-content-stack .section-heading{
      display:flex;
      align-items:center;
      gap:12px;
      margin:0 0 20px;
      color:#18253c;
      font-size:23px;
      line-height:1.35;
    }
    .ea-content-stack .section-heading::before{
      content:"";
      width:5px;
      height:25px;
      flex:0 0 auto;
      background:var(--primary);
      border-radius:5px;
    }
    .ea-content-stack .product-summary{
      padding:20px 22px;
      color:#425069;
      background:#f4f7fb;
      border-left:4px solid var(--primary);
      border-radius:0 12px 12px 0;
      font-size:16px;
      line-height:1.9;
    }
    .ea-content-stack .product-body{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      color:#344157;
      font-size:16px;
      line-height:1.9;
      word-break:break-word;
      overflow-wrap:anywhere;
    }
    .ea-content-stack .product-body img,
    .ea-content-stack .product-body video,
    .ea-content-stack .product-body iframe{
      max-width:100%;
      height:auto;
    }
    .ea-content-stack .product-body table{
      width:100%;
      max-width:100%;
      border-collapse:collapse;
    }
    .ea-content-stack .product-body th,
    .ea-content-stack .product-body td{
      padding:11px;
      border:1px solid var(--line);
      text-align:left;
    }
    .ea-content-stack .product-body a{color:var(--primary);text-decoration:underline}
    .ea-content-stack .product-body pre{
      max-width:100%;
      overflow-x:auto;
      padding:16px;
      background:#101a2d;
      color:#e5ecf8;
      border-radius:10px;
    }
    .ea-content-stack .product-sidebar{
      display:grid;
      gap:20px;
      position:sticky;
      top:22px;
    }
    .ea-content-stack .product-side-card{padding:22px}
    .ea-content-stack .product-side-card h2{
      margin:0 0 16px;
      font-size:18px;
    }
    .ea-content-stack .fact-list{
      display:grid;
      gap:0;
      margin:0;
    }
    .ea-content-stack .fact-row{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:14px;
      padding:12px 0;
      border-bottom:1px solid #e8edf3;
      font-size:14px;
    }
    .ea-content-stack .fact-row:last-child{border-bottom:0}
    .ea-content-stack .fact-row dt{color:var(--muted)}
    .ea-content-stack .fact-row dd{
      margin:0;
      color:#28364d;
      font-weight:700;
      text-align:right;
    }
    .ea-content-stack .side-actions{
      display:grid;
      gap:10px;
      margin-top:18px;
    }
    .ea-content-stack .primary-action,
    .ea-content-stack .secondary-action{
      min-height:46px;
      display:flex;
      align-items:center;
      justify-content:center;
      padding:10px 14px;
      border-radius:10px;
      font-weight:750;
      text-align:center;
    }
    .ea-content-stack .primary-action{
      color:#fff;
      background:var(--primary);
      box-shadow:0 10px 24px rgba(11,61,145,.2);
    }
    .ea-content-stack .secondary-action{
      color:var(--primary);
      background:var(--primary-light);
      border:1px solid #c8d7ef;
    }
    .ea-content-stack .risk-note{
      margin:14px 0 0;
      color:#68758a;
      font-size:12px;
      line-height:1.65;
    }
    .ea-content-stack .related-section{
      width:min(1180px,calc(100% - 40px));
      margin:50px auto 0;
    }
    .ea-content-stack .related-head{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      margin-bottom:20px;
    }
    .ea-content-stack .related-head h2{
      margin:0;
      font-size:28px;
      line-height:1.25;
    }
    .ea-content-stack .related-head p{margin:0;color:var(--muted)}
    .ea-content-stack .related-grid{
      display:grid;
      grid-template-columns:repeat(4,minmax(0,1fr));
      gap:18px;
    }
    .ea-content-stack .related-product{
      min-width:0;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      box-shadow:0 8px 25px rgba(23,32,51,.06);
      transition:transform .2s ease,box-shadow .2s ease;
    }
    .ea-content-stack .related-product:hover{
      transform:translateY(-4px);
      box-shadow:0 16px 34px rgba(23,32,51,.11);
    }
    .ea-content-stack .related-product img{
      width:100%;
      height:160px;
      padding:13px;
      object-fit:contain;
      background:#eef2f7;
    }
    .ea-content-stack .related-product-body{padding:17px}
    .ea-content-stack .related-product h3{
      margin:0 0 8px;
      overflow:hidden;
      color:#1f2d45;
      font-size:17px;
      line-height:1.45;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .ea-content-stack .related-product p{
      min-height:48px;
      display:-webkit-box;
      overflow:hidden;
      margin:0 0 13px;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .ea-content-stack .related-product small{color:#7b8799;font-size:12px}

    .footer{
      color:#cbd5e5;
      background:#07172f;
    }
    .footer .container{padding-top:55px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1.15fr;
      gap:40px;
      padding-bottom:42px;
    }
    .footer h3{
      margin:0 0 16px;
      color:#fff;
      font-size:16px;
    }
    .footer p{
      margin:0 0 9px;
      color:#aebbd0;
      font-size:13px;
      line-height:1.75;
    }
    .footer-links{display:grid;gap:9px}
    .footer a{
      color:#b9c5d8;
      font-size:13px;
      transition:color .2s ease;
    }
    .footer a:hover{color:#fff}
    .footer-bottom{
      padding:20px 0 25px;
      color:#94a3ba;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
      text-align:center;
    }

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-btns{margin-left:auto}
      .ea-content-stack .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:820px){
      .ea-content-stack .product-shell{grid-template-columns:minmax(0,1fr)}
      .ea-content-stack .product-sidebar{position:static}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:640px){
      .container,
      .ea-content-stack .product-shell,
      .ea-content-stack .related-section{
        width:min(100% - 28px,1180px);
      }
      .topbar .container{
        min-height:44px;
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        gap:1px;
        padding:6px 0;
      }
      .topbar-links{gap:10px;flex-wrap:wrap}
      .topbar-links a{font-size:11px}
      .header-inner{min-height:68px;gap:12px}
      .logo{min-width:0;font-size:16px}
      .logo img{width:37px;height:37px}
      .member-link{display:none}
      .open-account{min-height:38px;padding:7px 12px}
      .hamburger{width:39px;height:39px}
      .ea-content-stack .product-hero{padding:40px 0 74px}
      .ea-content-stack .product-hero h1{font-size:34px}
      .ea-content-stack .product-hero .lead{font-size:15px}
      .ea-content-stack .product-shell{margin-top:-38px}
      .ea-content-stack .product-cover{padding:13px}
      .ea-content-stack .product-section{padding:21px}
      .ea-content-stack .section-heading{font-size:20px}
      .ea-content-stack .related-head{align-items:flex-start;flex-direction:column}
      .ea-content-stack .related-head h2{font-size:24px}
      .ea-content-stack .related-grid{grid-template-columns:minmax(0,1fr)}
      .ea-content-stack .related-product img{height:190px}
      .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
      .footer .container{padding-top:40px}
    }