:root{
      --theme:#0B3D91;
      --template-theme:{主题色};
      --theme-dark:#06285f;
      --theme-soft:#eaf1fb;
      --accent:#c79a3b;
      --danger:#a90f20;
      --ink:#142033;
      --muted:#657187;
      --line:#dfe5ee;
      --surface:#ffffff;
      --surface-alt:#f5f7fa;
      --shadow:0 18px 48px rgba(20,32,51,.12);
      --radius:18px;
    }

    *{
      box-sizing:border-box;
    }

    html{
      scroll-behavior:smooth;
    }

    body{
      margin:0;
      color:var(--ink);
      background:#f4f6f9;
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      line-height:1.7;
      overflow-x:hidden;
    }

    body.drawer-lock{
      overflow:hidden;
    }

    img{
      max-width:100%;
      height:auto;
    }

    a{
      color:inherit;
      text-decoration:none;
    }

    button,
    input,
    textarea,
    select{
      font:inherit;
    }

    button{
      color:inherit;
    }

    .container{
      width:min(1180px,calc(100% - 40px));
      margin:0 auto;
    }

    .topbar{
      color:#dce7fa;
      background:#061b3b;
      font-size:13px;
    }

    .topbar-inner{
      min-height:38px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }

    .topbar-contact{
      display:flex;
      align-items:center;
      gap:22px;
    }

    .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(15,32,60,.05);
    }

    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:26px;
    }

    .logo{
      min-width:0;
      display:inline-flex;
      align-items:center;
      gap:11px;
      color:var(--theme-dark);
      font-weight:800;
    }

    .logo img{
      width:42px;
      height:42px;
      flex:0 0 42px;
      object-fit:contain;
      border-radius:10px;
    }

    .logo span{
      max-width:190px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }

    .main-nav{
      margin-left:auto;
      align-self:stretch;
    }

    .nav-list{
      height:100%;
      margin:0;
      padding:0;
      display:flex;
      align-items:stretch;
      list-style:none;
    }

    .nav-item{
      position:relative;
      display:flex;
      align-items:stretch;
    }

    .nav-link{
      position:relative;
      display:flex;
      align-items:center;
      padding:0 13px;
      color:#26364f;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
      transition:color .2s ease;
    }

    .nav-link::before{
      content:"";
      position:absolute;
      right:13px;
      bottom:0;
      left:13px;
      height:3px;
      background:var(--theme);
      border-radius:4px 4px 0 0;
      transform:scaleX(0);
      transition:transform .2s ease;
    }

    .nav-item:hover > .nav-link,
    .nav-item:focus-within > .nav-link{
      color:var(--theme);
    }

    .nav-item:hover > .nav-link::before,
    .nav-item:focus-within > .nav-link::before{
      transform:scaleX(1);
    }

    .has-arrow::after{
      content:"";
      width:6px;
      height:6px;
      margin:0 0 4px 7px;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg);
    }

    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      z-index:70;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:var(--shadow);
      transform:translateY(10px);
      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: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{
      left:0;
      width:330px;
      padding:20px;
      border-radius:0 0 16px 16px;
    }

    .dropdown-title{
      margin:0 0 12px;
      color:var(--theme);
      font-weight:800;
    }

    .dropdown-list{
      display:grid;
      gap:4px;
    }

    .dropdown-list a{
      padding:9px 10px;
      overflow:hidden;
      color:#344158;
      border-radius:8px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }

    .dropdown-list a:hover{
      color:var(--theme);
      background:var(--theme-soft);
    }

    .dropdown-more{
      margin-top:12px;
      padding-top:13px;
      display:flex;
      justify-content:space-between;
      color:var(--theme);
      border-top:1px solid var(--line);
      font-weight:800;
    }

    .mega-menu{
      left:50%;
      width:min(950px,calc(100vw - 40px));
      padding:22px;
      border-radius:0 0 18px 18px;
      transform:translate(-50%,10px);
    }

    .nav-item:hover > .mega-menu,
    .nav-item:focus-within > .mega-menu{
      transform:translate(-50%,0);
    }

    .mega-brokers{
      margin-left:80px;
    }

    .mega-videos{
      margin-left:-70px;
    }

    .mega-tools{
      margin-left:-190px;
    }

    .mega-products{
      margin-left:-315px;
    }

    .mega-head{
      margin-bottom:16px;
      padding-bottom:14px;
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:20px;
      border-bottom:1px solid var(--line);
    }

    .mega-head strong{
      color:var(--theme-dark);
      font-size:19px;
    }

    .mega-head span{
      color:var(--muted);
      font-size:13px;
    }

    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }

    .mega-card{
      min-width:0;
      padding:13px;
      display:grid;
      grid-template-columns:46px minmax(0,1fr);
      align-items:center;
      gap:4px 12px;
      color:#26364f;
      border:1px solid #e6eaf0;
      border-radius:12px;
      transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
    }

    .mega-card:hover{
      border-color:#b7c9e8;
      box-shadow:0 10px 24px rgba(11,61,145,.1);
      transform:translateY(-2px);
    }

    .mega-card img{
      width:46px;
      height:46px;
      grid-row:1 / span 3;
      object-fit:contain;
      border-radius:9px;
      background:#f1f4f8;
    }

    .mega-card img.cover{
      object-fit:cover;
    }

    .mega-card strong{
      min-width:0;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }

    .mega-card p{
      margin:0;
      display:-webkit-box;
      overflow:hidden;
      color:var(--muted);
      font-size:12px;
      line-height:1.45;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }

    .mega-meta{
      display:flex;
      flex-wrap:wrap;
      gap:3px 8px;
      color:var(--muted);
      font-size:11px;
    }

    .mega-categories{
      margin-bottom:14px;
      display:flex;
      flex-wrap:wrap;
      gap:8px;
    }

    .mega-categories a{
      padding:6px 11px;
      color:var(--theme);
      background:var(--theme-soft);
      border-radius:999px;
      font-size:12px;
      font-weight:700;
    }

    .mega-footer{
      margin-top:16px;
      padding:11px 14px;
      display:block;
      color:#fff;
      background:linear-gradient(135deg,var(--theme),var(--theme-dark));
      border-radius:10px;
      text-align:center;
      font-weight:800;
    }

    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
    }

    .member-entry{
      display:flex;
      align-items:center;
    }

    .member-entry a,
    .account-entry{
      min-height:38px;
      padding:8px 13px;
      display:inline-flex;
      align-items:center;
      justify-content:center;
      border-radius:9px;
      font-size:13px;
      font-weight:800;
      white-space:nowrap;
    }

    .member-entry a{
      color:var(--theme);
      border:1px solid #b8c8e4;
      background:#fff;
    }

    .account-entry{
      color:#fff;
      background:var(--theme);
      box-shadow:0 8px 18px rgba(11,61,145,.2);
    }

    .hamburger{
      width:42px;
      height:42px;
      padding:9px;
      display:none;
      flex-direction:column;
      align-items:center;
      justify-content:center;
      gap:5px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:9px;
      cursor:pointer;
    }

    .hamburger span{
      width:21px;
      height:2px;
      display:block;
      background:var(--theme-dark);
      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(4,16,35,.62);
      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,88vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-24px 0 60px rgba(0,0,0,.22);
      transform:translateX(105%);
      transition:transform .28s ease;
    }

    .mobile-drawer.open{
      transform:translateX(0);
    }

    .drawer-head{
      min-height:75px;
      padding:16px 18px;
      display:flex;
      align-items:center;
      gap:10px;
      color:#fff;
      background:linear-gradient(135deg,var(--theme-dark),var(--theme));
    }

    .drawer-head > a,
    .drawer-head > *:not(.drawer-close){
      color:#fff;
    }

    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      color:#fff;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.25);
      border-radius:10px;
      font-size:26px;
      line-height:1;
      cursor:pointer;
    }

    .drawer-menu{
      padding:13px 18px 30px;
    }

    .drawer-link,
    .drawer-toggle{
      width:100%;
      min-height:50px;
      padding:12px 4px;
      display:flex;
      align-items:center;
      color:#25334a;
      background:none;
      border:0;
      border-bottom:1px solid var(--line);
      font-weight:800;
      text-align:left;
      cursor:pointer;
    }

    .drawer-toggle::after{
      content:"+";
      margin-left:auto;
      color:var(--theme);
      font-size:20px;
    }

    .drawer-toggle.active::after{
      content:"−";
    }

    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      background:#f7f9fc;
      transition:max-height .3s ease;
    }

    .drawer-submenu.open{
      max-height:700px;
    }

    .drawer-submenu a{
      padding:10px 15px;
      display:block;
      color:#526076;
      border-bottom:1px solid #e8ecf2;
      font-size:14px;
    }

    .ea-content-stack{
      min-height:600px;
      padding-bottom:74px;
    }

    .ea-content-stack .product-hero{
      position:relative;
      overflow:hidden;
      padding:56px 0 88px;
      color:#fff;
      background:
        radial-gradient(circle at 84% 12%,rgba(199,154,59,.25),transparent 27%),
        linear-gradient(135deg,#07172f 0%,#0b3d91 58%,#06285f 100%);
    }

    .ea-content-stack .product-hero::after{
      content:"";
      position:absolute;
      right:-130px;
      bottom:-210px;
      width:480px;
      height:480px;
      border:1px solid rgba(255,255,255,.12);
      border-radius:50%;
      box-shadow:
        0 0 0 55px rgba(255,255,255,.025),
        0 0 0 110px rgba(255,255,255,.02);
    }

    .ea-content-stack .product-breadcrumb{
      position:relative;
      z-index:1;
      margin-bottom:28px;
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      color:#cbd8ed;
      font-size:14px;
    }

    .ea-content-stack .product-breadcrumb a:hover{
      color:#fff;
    }

    .ea-content-stack .product-breadcrumb span:last-child{
      color:#f0cc77;
    }

    .ea-content-stack .product-heading{
      position:relative;
      z-index:1;
      max-width:900px;
    }

    .ea-content-stack .product-kicker{
      margin:0 0 14px;
      display:inline-flex;
      align-items:center;
      gap:8px;
      color:#f6d98f;
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }

    .ea-content-stack .product-kicker::before{
      content:"";
      width:28px;
      height:2px;
      background:#f6d98f;
    }

    .ea-content-stack .product-heading h1{
      margin:0;
      font-size:clamp(34px,5vw,62px);
      line-height:1.15;
      letter-spacing:-.035em;
    }

    .ea-content-stack .product-summary{
      max-width:820px;
      margin:22px 0 0;
      color:#dce7f8;
      font-size:18px;
      line-height:1.9;
    }

    .ea-content-stack .product-meta{
      margin-top:28px;
      display:flex;
      flex-wrap:wrap;
      gap:10px;
    }

    .ea-content-stack .product-meta span{
      padding:8px 12px;
      color:#edf4ff;
      background:rgba(255,255,255,.1);
      border:1px solid rgba(255,255,255,.17);
      border-radius:999px;
      font-size:13px;
    }

    .ea-content-stack .product-shell{
      position:relative;
      z-index:4;
      width:min(1180px,calc(100% - 40px));
      margin:-48px auto 0;
      display:grid;
      grid-template-columns:minmax(0,1fr) 310px;
      align-items:start;
      gap:26px;
    }

    .ea-content-stack .product-primary,
    .ea-content-stack .product-side-card,
    .ea-content-stack .related-products{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 16px 45px rgba(20,32,51,.08);
    }

    .ea-content-stack .product-primary{
      min-width:0;
      overflow:hidden;
    }

    .ea-content-stack .product-cover{
      min-height:360px;
      padding:30px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:
        linear-gradient(135deg,rgba(11,61,145,.05),rgba(199,154,59,.08)),
        #f7f9fc;
      border-bottom:1px solid var(--line);
    }

    .ea-content-stack .product-cover img{
      width:100%;
      max-height:520px;
      object-fit:contain;
      border-radius:14px;
    }

    .ea-content-stack .product-content-wrap{
      min-width:0;
      padding:34px;
    }

    .ea-content-stack .section-heading{
      margin:0 0 22px;
      padding-bottom:15px;
      color:var(--theme-dark);
      border-bottom:1px solid var(--line);
      font-size:25px;
    }

    .ea-content-stack .product-body{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      color:#344158;
      font-size:16px;
      line-height:1.9;
    }

    .ea-content-stack .product-body > :first-child{
      margin-top:0;
    }

    .ea-content-stack .product-body h2,
    .ea-content-stack .product-body h3,
    .ea-content-stack .product-body h4{
      color:#142b50;
      line-height:1.45;
    }

    .ea-content-stack .product-body a{
      color:var(--theme);
      text-decoration:underline;
      text-underline-offset:3px;
    }

    .ea-content-stack .product-body img,
    .ea-content-stack .product-body video,
    .ea-content-stack .product-body iframe{
      max-width:100%;
      border-radius:12px;
    }

    .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 blockquote{
      margin:24px 0;
      padding:17px 20px;
      color:#32425d;
      background:var(--theme-soft);
      border-left:4px solid var(--theme);
      border-radius:0 10px 10px 0;
    }

    .ea-content-stack .product-sidebar{
      display:grid;
      gap:20px;
    }

    .ea-content-stack .product-side-card{
      padding:23px;
    }

    .ea-content-stack .product-side-card h2{
      margin:0 0 17px;
      color:var(--theme-dark);
      font-size:19px;
    }

    .ea-content-stack .detail-list{
      margin:0;
      display:grid;
      gap:0;
    }

    .ea-content-stack .detail-row{
      padding:12px 0;
      display:flex;
      justify-content:space-between;
      gap:14px;
      border-bottom:1px solid var(--line);
    }

    .ea-content-stack .detail-row:last-child{
      border-bottom:0;
    }

    .ea-content-stack .detail-row dt{
      color:var(--muted);
    }

    .ea-content-stack .detail-row dd{
      margin:0;
      color:#20324f;
      font-weight:800;
      text-align:right;
      overflow-wrap:anywhere;
    }

    .ea-content-stack .side-action{
      margin-top:18px;
      padding:12px 16px;
      display:flex;
      align-items:center;
      justify-content:center;
      color:#fff;
      background:linear-gradient(135deg,var(--theme),var(--theme-dark));
      border-radius:10px;
      font-weight:800;
      box-shadow:0 10px 22px rgba(11,61,145,.2);
    }

    .ea-content-stack .notice-card{
      color:#5d4820;
      background:#fffaf0;
      border-color:#eddbb3;
      box-shadow:none;
    }

    .ea-content-stack .notice-card p{
      margin:0;
      font-size:14px;
    }

    .ea-content-stack .related-products{
      width:min(1180px,calc(100% - 40px));
      margin:30px auto 0;
      padding:30px;
    }

    .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(--theme-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(4,minmax(0,1fr));
      gap:16px;
    }

    .ea-content-stack .related-card{
      min-width:0;
      overflow:hidden;
      display:flex;
      flex-direction:column;
      background:#fff;
      border:1px solid var(--line);
      border-radius:14px;
      transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
    }

    .ea-content-stack .related-card:hover{
      border-color:#b4c7e7;
      box-shadow:0 15px 32px rgba(11,61,145,.12);
      transform:translateY(-4px);
    }

    .ea-content-stack .related-image{
      aspect-ratio:16/10;
      padding:14px;
      display:flex;
      align-items:center;
      justify-content:center;
      background:#f3f6fa;
    }

    .ea-content-stack .related-image img{
      width:100%;
      height:100%;
      object-fit:contain;
      border-radius:9px;
    }

    .ea-content-stack .related-copy{
      padding:16px;
      display:flex;
      flex:1;
      flex-direction:column;
    }

    .ea-content-stack .related-copy h3{
      margin:0;
      color:#1e3150;
      font-size:16px;
      line-height:1.5;
    }

    .ea-content-stack .related-copy p{
      margin:9px 0 15px;
      display:-webkit-box;
      overflow:hidden;
      color:var(--muted);
      font-size:13px;
      line-height:1.65;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }

    .ea-content-stack .related-meta{
      margin-top:auto;
      padding-top:12px;
      display:flex;
      justify-content:space-between;
      gap:8px;
      color:#758197;
      border-top:1px solid var(--line);
      font-size:12px;
    }

    .footer{
      color:#c8d2e2;
      background:#08182f;
    }

    .footer-main{
      padding:58px 0 42px;
      display:grid;
      grid-template-columns:1.4fr 1fr 1fr 1.1fr;
      gap:42px;
    }

    .footer .logo{
      color:#fff;
    }

    .footer-brand p{
      max-width:380px;
      margin:18px 0 0;
      color:#aebbd0;
      font-size:14px;
    }

    .footer h3{
      margin:0 0 17px;
      color:#fff;
      font-size:16px;
    }

    .footer-links,
    .footer-contact{
      display:grid;
      gap:10px;
      color:#aebbd0;
      font-size:14px;
    }

    .footer-links a,
    .footer-contact a{
      transition:color .2s ease,transform .2s ease;
    }

    .footer-links a:hover,
    .footer-contact a:hover{
      color:#fff;
      transform:translateX(2px);
    }

    .footer-social{
      overflow-wrap:anywhere;
    }

    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.1);
    }

    .footer-bottom-inner{
      min-height:64px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8e9cb3;
      font-size:13px;
    }

    @media (max-width:1120px){
      .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));
      }

      .footer-main{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }
    }

    @media (max-width:820px){
      .container{
        width:min(100% - 28px,1180px);
      }

      .topbar-inner{
        padding:8px 0;
        align-items:flex-start;
      }

      .topbar-contact{
        align-items:flex-end;
        flex-direction:column;
        gap:2px;
      }

      .header-inner{
        min-height:68px;
      }

      .header .logo span{
        max-width:150px;
      }

      .member-entry,
      .account-entry{
        display:none;
      }

      .ea-content-stack .product-hero{
        padding:40px 0 76px;
      }

      .ea-content-stack .product-summary{
        font-size:16px;
      }

      .ea-content-stack .product-shell{
        width:min(100% - 28px,1180px);
        grid-template-columns:1fr;
      }

      .ea-content-stack .product-sidebar{
        grid-template-columns:repeat(2,minmax(0,1fr));
      }

      .ea-content-stack .related-products{
        width:min(100% - 28px,1180px);
      }
    }

    @media (max-width:600px){
      .topbar-inner{
        display:block;
      }

      .topbar-contact{
        margin-top:5px;
        align-items:flex-start;
      }

      .header .logo img{
        width:38px;
        height:38px;
        flex-basis:38px;
      }

      .header .logo span{
        max-width:128px;
        font-size:14px;
      }

      .ea-content-stack .product-heading h1{
        font-size:34px;
      }

      .ea-content-stack .product-cover{
        min-height:240px;
        padding:18px;
      }

      .ea-content-stack .product-content-wrap{
        padding:22px 18px;
      }

      .ea-content-stack .product-sidebar{
        grid-template-columns:1fr;
      }

      .ea-content-stack .related-products{
        padding:22px 18px;
      }

      .ea-content-stack .related-head{
        align-items:flex-start;
        flex-direction:column;
        gap:5px;
      }

      .ea-content-stack .related-grid{
        grid-template-columns:1fr;
      }

      .footer-main{
        padding:44px 0 34px;
        grid-template-columns:1fr;
        gap:30px;
      }

      .footer-bottom-inner{
        padding:16px 0;
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        gap:3px;
      }
    }