:root{
      --primary:#0B3D91;
      --primary-dark:#06295f;
      --primary-soft:#eaf1fb;
      --accent:#20c77a;
      --ink:#14213d;
      --muted:#65718a;
      --line:#dce4ef;
      --surface:#ffffff;
      --surface-soft:#f5f8fc;
      --shadow:0 18px 48px rgba(15,42,82,.12);
      --radius:18px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#fff;
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans CJK SC",Arial,sans-serif;
      line-height:1.7;
      -webkit-font-smoothing:antialiased;
    }
    body[data-theme="{主题色}"]{--template-theme:#0B3D91}
    img{max-width:100%;height:auto}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dce9ff;
      background:#071b3a;
      border-bottom:1px solid rgba(255,255,255,.08);
      font-size:13px;
    }
    .topbar .container{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar .container>span:last-child{
      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(18,45,84,.05);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:28px;
    }
    .logo{
      min-width:170px;
      display:flex;
      align-items:center;
      gap:11px;
      color:var(--primary-dark);
      font-size:19px;
      font-weight:800;
      letter-spacing:.02em;
    }
    .logo img{
      width:42px;
      height:42px;
      border-radius:11px;
      object-fit:contain;
      background:#fff;
    }
    .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:#293750;
      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,
    .nav-item:hover>.nav-link{
      color:var(--primary);
      background:var(--primary-soft);
    }
    .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:70;
      visibility:hidden;
      opacity:0;
      transform:translate(-50%,10px);
      pointer-events:none;
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:0 22px 55px rgba(12,42,87,.18);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
    }
    .dropdown-panel::before,
    .mega-menu::before{
      content:"";
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:8px;
    }
    .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;
      transform:translate(-50%,0);
      pointer-events:auto;
    }
    .dropdown-panel{width:320px;padding:20px}
    .mega-menu{
      width:min(860px,90vw);
      padding:22px;
    }
    .nav-item:nth-last-child(-n+3) .mega-menu{
      left:auto;
      right:0;
      transform:translateY(10px);
    }
    .nav-item:nth-last-child(-n+3):hover>.mega-menu,
    .nav-item:nth-last-child(-n+3):focus-within>.mega-menu{
      transform:translateY(0);
    }
    .drop-title,
    .mega-title{
      margin-bottom:12px;
      color:var(--primary-dark);
      font-size:14px;
      font-weight:800;
      letter-spacing:.05em;
    }
    .drop-list{display:grid;gap:5px}
    .drop-list a{
      display:block;
      padding:9px 10px;
      color:#46536a;
      border-radius:8px;
      font-size:14px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .drop-list a:hover{color:var(--primary);background:var(--primary-soft)}
    .drop-list small{color:#7c8799}
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:10px;
    }
    .mega-card{
      min-width:0;
      padding:13px;
      display:grid;
      grid-template-columns:38px minmax(0,1fr);
      align-items:center;
      column-gap:10px;
      border:1px solid #e6ebf3;
      border-radius:12px;
      background:#fff;
      transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#a9c2e8;
      box-shadow:0 10px 24px rgba(11,61,145,.1);
    }
    .mega-card img{
      grid-row:1/4;
      width:38px;
      height:38px;
      padding:3px;
      object-fit:contain;
      border-radius:9px;
      background:#f3f6fa;
    }
    .mega-card strong{
      min-width:0;
      color:#20304b;
      font-size:14px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card small{
      min-width:0;
      color:#748096;
      font-size:12px;
      line-height:1.45;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card:not(:has(img)){
      grid-template-columns:1fr;
    }
    .mega-footer{
      margin-top:14px;
      padding:10px 13px;
      display:block;
      color:#fff;
      background:var(--primary);
      border-radius:9px;
      text-align:center;
      font-size:14px;
      font-weight:750;
    }
    .mega-footer:hover{background:var(--primary-dark)}
    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .member-btn,
    .open-btn{
      min-height:40px;
      padding:8px 15px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:9px;
      font-size:14px;
      font-weight:750;
    }
    .member-btn{color:var(--primary);border:1px solid #b8cae6;background:#fff}
    .open-btn{color:#fff;border:1px solid var(--primary);background:var(--primary)}
    .member-btn:hover{background:var(--primary-soft)}
    .open-btn:hover{background:var(--primary-dark)}
    .hamburger{
      width:42px;
      height:42px;
      padding:0;
      display:none;
      border:1px solid var(--line);
      border-radius:10px;
      background:#fff;
      cursor:pointer;
    }
    .hamburger span{
      width:20px;
      height:2px;
      margin:4px auto;
      display:block;
      background:var(--ink);
      transition:transform .2s ease,opacity .2s ease;
    }
    .hamburger.active span:nth-child(1){transform:translateY(6px) rotate(45deg)}
    .hamburger.active span:nth-child(2){opacity:0}
    .hamburger.active span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

    .drawer-overlay{
      position:fixed;
      inset:0;
      z-index:90;
      visibility:hidden;
      opacity:0;
      background:rgba(4,14,32,.62);
      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:-20px 0 45px rgba(0,0,0,.2);
      transform:translateX(105%);
      transition:transform .25s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      min-height:72px;
      padding:14px 18px;
      display:flex;
      align-items:center;
      gap:12px;
      color:#fff;
      background:var(--primary-dark);
    }
    .drawer-head>a{
      padding:7px 12px;
      border:1px solid rgba(255,255,255,.28);
      border-radius:8px;
      font-size:14px;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      padding:0;
      color:#fff;
      background:transparent;
      border:0;
      font-size:29px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:14px 18px 30px}
    .drawer-link,
    .drawer-toggle{
      width:100%;
      padding:13px 3px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      color:#273650;
      background:transparent;
      border:0;
      border-bottom:1px solid #e7ebf2;
      text-align:left;
      font-size:15px;
      font-weight:750;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--primary);
      font-size:20px;
      font-weight:400;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      padding:0 10px;
      background:#f6f8fb;
      transition:max-height .3s ease,padding .3s ease;
    }
    .drawer-submenu.open{max-height:620px;padding:8px 10px}
    .drawer-submenu a{
      padding:9px 5px;
      display:block;
      color:#57647a;
      border-bottom:1px dashed #dbe2ec;
      font-size:14px;
    }
    .drawer-submenu a:last-child{border-bottom:0}

    .ea-content-stack{
      min-width:0;
      padding-bottom:72px;
      background:
        radial-gradient(circle at 8% 8%,rgba(11,61,145,.08),transparent 28%),
        linear-gradient(180deg,#f6f9fd 0,#fff 470px);
    }
    .ea-content-stack .product-hero{
      padding:34px 0 30px;
      color:#fff;
      background:
        linear-gradient(135deg,rgba(5,34,78,.97),rgba(11,61,145,.94)),
        repeating-linear-gradient(45deg,transparent 0 12px,rgba(255,255,255,.03) 12px 13px);
      border-bottom:4px solid var(--accent);
    }
    .ea-content-stack .breadcrumb{
      margin-bottom:22px;
      display:flex;
      align-items:center;
      flex-wrap:wrap;
      gap:8px;
      color:#c7d8f2;
      font-size:13px;
    }
    .ea-content-stack .breadcrumb a:hover{color:#fff}
    .ea-content-stack .breadcrumb i{font-style:normal;opacity:.55}
    .ea-content-stack .product-title-wrap{
      max-width:900px;
      margin:0 auto;
      text-align:center;
    }
    .ea-content-stack .eyebrow{
      margin-bottom:10px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#8ff2bd;
      font-size:13px;
      font-weight:800;
      letter-spacing:.12em;
    }
    .ea-content-stack .eyebrow::before,
    .ea-content-stack .eyebrow::after{
      content:"";
      width:28px;
      height:1px;
      background:#56d799;
    }
    .ea-content-stack h1{
      margin:0;
      color:#fff;
      font-size:clamp(30px,4.5vw,54px);
      line-height:1.2;
      letter-spacing:-.025em;
    }
    .ea-content-stack .hero-summary{
      max-width:760px;
      margin:18px auto 0;
      color:#dce8fa;
      font-size:17px;
      line-height:1.85;
    }
    .ea-content-stack .product-overview{
      margin-top:34px;
      display:grid;
      grid-template-columns:minmax(280px,430px) minmax(0,1fr);
      gap:30px;
      align-items:stretch;
    }
    .ea-content-stack .product-cover{
      min-height:360px;
      padding:18px;
      display:flex;
      align-items:center;
      justify-content:center;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .ea-content-stack .product-cover img{
      width:100%;
      height:100%;
      max-height:440px;
      object-fit:contain;
      border-radius:12px;
    }
    .ea-content-stack .overview-panel{
      min-width:0;
      padding:30px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .ea-content-stack .overview-panel h2{
      margin:0 0 14px;
      color:var(--primary-dark);
      font-size:25px;
      line-height:1.35;
    }
    .ea-content-stack .product-summary{
      margin:0;
      color:#536079;
      font-size:16px;
      line-height:1.9;
    }
    .ea-content-stack .product-meta{
      margin:25px 0 0;
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:12px;
    }
    .ea-content-stack .product-meta div{
      min-width:0;
      padding:13px 14px;
      background:var(--surface-soft);
      border:1px solid #e6ebf2;
      border-radius:11px;
    }
    .ea-content-stack .product-meta dt{
      color:#7a8597;
      font-size:12px;
    }
    .ea-content-stack .product-meta dd{
      margin:3px 0 0;
      color:#24324b;
      font-size:14px;
      font-weight:750;
      overflow-wrap:anywhere;
    }
    .ea-content-stack .overview-actions{
      margin-top:24px;
      display:flex;
      flex-wrap:wrap;
      gap:11px;
    }
    .ea-content-stack .primary-action,
    .ea-content-stack .secondary-action{
      min-height:46px;
      padding:10px 20px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:10px;
      font-size:15px;
      font-weight:800;
      transition:transform .2s ease,background .2s ease;
    }
    .ea-content-stack .primary-action{color:#fff;background:var(--primary)}
    .ea-content-stack .secondary-action{color:var(--primary);background:var(--primary-soft);border:1px solid #bfd0e9}
    .ea-content-stack .primary-action:hover,
    .ea-content-stack .secondary-action:hover{transform:translateY(-2px)}
    .ea-content-stack .primary-action:hover{background:var(--primary-dark)}
    .ea-content-stack .risk-note{
      margin-top:18px;
      padding:12px 14px;
      color:#695735;
      background:#fff9e9;
      border-left:3px solid #e8b84e;
      border-radius:7px;
      font-size:13px;
    }
    .ea-content-stack .content-shell{
      min-width:0;
      margin-top:30px;
      display:grid;
      grid-template-columns:minmax(0,1fr) 290px;
      gap:28px;
      align-items:start;
    }
    .ea-content-stack .product-body-card{
      min-width:0;
      max-width:100%;
      padding:34px;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 12px 36px rgba(20,47,84,.08);
    }
    .ea-content-stack .section-heading{
      margin:0 0 24px;
      padding-bottom:15px;
      color:var(--primary-dark);
      border-bottom:1px solid var(--line);
      font-size:24px;
      line-height:1.35;
    }
    .ea-content-stack .section-heading::after{
      content:"";
      width:54px;
      height:3px;
      margin-top:13px;
      display:block;
      background:var(--accent);
      border-radius:5px;
    }
    .ea-content-stack .product-body{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      color:#394860;
      font-size:16px;
      line-height:1.95;
      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;
      border-radius:10px;
    }
    .ea-content-stack .product-body iframe{width:100%;min-height:400px}
    .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:10px;
      border:1px solid var(--line);
    }
    .ea-content-stack .product-body a{color:var(--primary);text-decoration:underline}
    .ea-content-stack .product-body h2,
    .ea-content-stack .product-body h3,
    .ea-content-stack .product-body h4{
      color:#172a49;
      line-height:1.45;
    }
    .ea-content-stack .detail-sidebar{
      min-width:0;
      display:grid;
      gap:18px;
    }
    .ea-content-stack .side-card{
      padding:22px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:15px;
      box-shadow:0 10px 30px rgba(20,47,84,.07);
    }
    .ea-content-stack .side-card h2{
      margin:0 0 14px;
      color:var(--primary-dark);
      font-size:18px;
    }
    .ea-content-stack .feature-list{
      margin:0;
      padding:0;
      list-style:none;
    }
    .ea-content-stack .feature-list li{
      position:relative;
      padding:9px 0 9px 22px;
      color:#536079;
      border-bottom:1px dashed #dfe5ee;
      font-size:14px;
    }
    .ea-content-stack .feature-list li:last-child{border-bottom:0}
    .ea-content-stack .feature-list li::before{
      content:"✓";
      position:absolute;
      left:0;
      color:var(--accent);
      font-weight:900;
    }
    .ea-content-stack .side-cta{
      color:#fff;
      background:linear-gradient(145deg,var(--primary),var(--primary-dark));
      border:0;
    }
    .ea-content-stack .side-cta h2{color:#fff}
    .ea-content-stack .side-cta p{margin:0 0 15px;color:#d8e5f8;font-size:14px}
    .ea-content-stack .side-cta a{
      padding:10px 14px;
      display:block;
      color:var(--primary-dark);
      background:#fff;
      border-radius:9px;
      text-align:center;
      font-weight:800;
    }
    .ea-content-stack .related-section{
      margin-top:34px;
      padding-top:8px;
    }
    .ea-content-stack .related-head{
      margin-bottom:20px;
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
    }
    .ea-content-stack .related-head h2{
      margin:0;
      color:var(--primary-dark);
      font-size:26px;
    }
    .ea-content-stack .related-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:18px;
    }
    .ea-content-stack .related-card{
      min-width:0;
      overflow:hidden;
      background:#fff;
      border:1px solid var(--line);
      border-radius:15px;
      box-shadow:0 10px 28px rgba(20,47,84,.07);
      transition:transform .2s ease,box-shadow .2s ease;
    }
    .ea-content-stack .related-card:hover{
      transform:translateY(-4px);
      box-shadow:0 16px 34px rgba(11,61,145,.13);
    }
    .ea-content-stack .related-image{
      height:180px;
      padding:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:#f3f6fa;
      border-bottom:1px solid var(--line);
    }
    .ea-content-stack .related-image img{
      width:100%;
      height:100%;
      object-fit:contain;
    }
    .ea-content-stack .related-info{padding:18px}
    .ea-content-stack .related-info h3{
      margin:0 0 9px;
      color:#1c2e4d;
      font-size:17px;
      line-height:1.45;
    }
    .ea-content-stack .related-info p{
      min-height:48px;
      margin:0 0 13px;
      color:#68748a;
      font-size:13px;
      line-height:1.75;
      display:-webkit-box;
      overflow:hidden;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .ea-content-stack .related-meta{
      display:flex;
      justify-content:space-between;
      gap:10px;
      color:#8993a3;
      font-size:12px;
    }

    .footer{
      color:#c8d4e7;
      background:#07162f;
      border-top:4px solid var(--primary);
    }
    .footer .container{padding-top:52px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.55fr 1fr 1fr 1fr;
      gap:38px;
    }
    .footer h3{
      margin:0 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-brand strong{
      display:block;
      margin-bottom:15px;
      color:#fff;
      font-size:23px;
    }
    .footer-brand p{
      max-width:390px;
      margin:7px 0;
      color:#9eafc9;
      font-size:14px;
    }
    .footer-grid>div:not(.footer-brand) a,
    .footer-grid>div:not(.footer-brand) span{
      margin:7px 0;
      display:block;
      color:#aebbd0;
      font-size:14px;
      overflow-wrap:anywhere;
    }
    .footer-grid a:hover{color:#fff}
    .footer-bottom{
      margin-top:38px;
      padding:22px 0;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8293ad;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .ea-content-stack .content-shell{grid-template-columns:minmax(0,1fr) 260px}
    }
    @media (max-width:820px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{padding:8px 0;align-items:flex-start}
      .topbar .container>span:last-child{gap:5px;align-items:flex-end;flex-direction:column}
      .header-inner{min-height:68px}
      .logo{min-width:0}
      .logo img{width:38px;height:38px}
      .member-btn{display:none}
      .ea-content-stack .product-hero{padding:28px 0}
      .ea-content-stack .product-overview{grid-template-columns:1fr}
      .ea-content-stack .product-cover{min-height:290px}
      .ea-content-stack .content-shell{grid-template-columns:1fr}
      .ea-content-stack .detail-sidebar{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))}
      .footer-bottom{align-items:flex-start;flex-direction:column}
    }
    @media (max-width:560px){
      .container{width:min(100% - 22px,1180px)}
      .topbar .container{display:block}
      .topbar .container>span{display:block}
      .topbar .container>span:last-child{
        margin-top:4px;
        align-items:flex-start;
      }
      .header-inner{gap:10px}
      .logo span{
        max-width:125px;
        overflow:hidden;
        text-overflow:ellipsis;
        white-space:nowrap;
        font-size:16px;
      }
      .open-btn{display:none}
      .ea-content-stack .breadcrumb{margin-bottom:17px}
      .ea-content-stack h1{font-size:30px}
      .ea-content-stack .hero-summary{font-size:15px}
      .ea-content-stack .product-overview{margin-top:22px;gap:18px}
      .ea-content-stack .product-cover{min-height:235px;padding:12px}
      .ea-content-stack .overview-panel{padding:22px 18px}
      .ea-content-stack .product-meta{grid-template-columns:1fr}
      .ea-content-stack .overview-actions{display:grid}
      .ea-content-stack .product-body-card{padding:23px 17px}
      .ea-content-stack .product-body{font-size:15px}
      .ea-content-stack .product-body iframe{min-height:230px}
      .ea-content-stack .detail-sidebar{grid-template-columns:1fr}
      .ea-content-stack .related-head{align-items:flex-start;flex-direction:column}
      .ea-content-stack .related-grid{grid-template-columns:1fr}
      .ea-content-stack .related-image{height:210px}
      .footer .container{padding-top:38px}
      .footer-grid{grid-template-columns:1fr;gap:27px}
    }