:root{
      --theme:#0B3D91;
      --theme-dark:#072b68;
      --theme-soft:#eaf1fb;
      --ink:#101828;
      --muted:#667085;
      --line:#dfe5ee;
      --surface:#ffffff;
      --surface-soft:#f5f7fa;
      --terminal:#07110d;
      --green:#36e28a;
      --amber:#f5b942;
      --danger:#e5484d;
      --shadow:0 18px 45px rgba(16,24,40,.1);
      --radius:18px;
      --container:1200px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--surface-soft);
      font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Noto Sans TC","PingFang TC","Microsoft JhengHei",sans-serif;
      line-height:1.65;
    }
    body.drawer-lock{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(calc(100% - 40px),var(--container));margin-inline:auto}
    .skip-link{
      position:fixed;
      z-index:3000;
      top:12px;
      left:12px;
      padding:10px 16px;
      color:#fff;
      background:var(--theme);
      border-radius:8px;
      transform:translateY(-160%);
      transition:transform .2s ease;
    }
    .skip-link:focus{transform:translateY(0)}

    .topbar{
      color:#d9e5f8;
      background:#061a3d;
      border-bottom:1px solid rgba(255,255,255,.1);
      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:hover,.topbar a:focus{color:#fff}

    .header{
      position:relative;
      z-index:100;
      background:#fff;
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 20px rgba(16,24,40,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      display:inline-flex;
      align-items:center;
      gap:10px;
      min-width:max-content;
      font-size:18px;
      font-weight:800;
      color:var(--theme-dark);
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{margin-left:auto}
    .nav-list{
      display:flex;
      align-items:center;
      gap:2px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{position:relative}
    .nav-link{
      display:flex;
      align-items:center;
      min-height:78px;
      padding:0 11px;
      color:#344054;
      font-size:14px;
      font-weight:700;
      white-space:nowrap;
    }
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-panel>.nav-link::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%;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      color:var(--ink);
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:var(--shadow);
      transform:translateY(8px);
      transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
    }
    .dropdown-panel::before,.mega-menu::before{
      content:"";
      position:absolute;
      top:-8px;
      right:0;
      left:0;
      height:8px;
    }
    .has-panel:hover>.dropdown-panel,
    .has-panel:focus-within>.dropdown-panel,
    .has-panel:hover>.mega-menu,
    .has-panel:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
      pointer-events:auto;
      transform:translateY(0);
    }
    .dropdown-panel{
      left:0;
      width:320px;
      padding:20px;
    }
    .dropdown-title,.mega-title{
      margin:0;
      color:var(--theme-dark);
      font-weight:800;
    }
    .dropdown-article{
      display:block;
      padding:10px 0;
      border-bottom:1px solid var(--line);
      font-size:14px;
    }
    .dropdown-article:hover{color:var(--theme)}
    .panel-entry{
      display:inline-flex;
      margin-top:14px;
      color:var(--theme);
      font-size:14px;
      font-weight:800;
    }
    .mega-menu{
      left:50%;
      width:min(900px,calc(100vw - 40px));
      padding:22px;
      transform:translate(-50%,8px);
    }
    .has-panel:hover>.mega-menu,
    .has-panel:focus-within>.mega-menu{transform:translate(-50%,0)}
    .nav-item:nth-last-child(-n+3) .mega-menu{
      right:-120px;
      left:auto;
      transform:translateY(8px);
    }
    .nav-item:nth-last-child(-n+3):hover>.mega-menu,
    .nav-item:nth-last-child(-n+3):focus-within>.mega-menu{transform:translateY(0)}
    .mega-head{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      margin-bottom:16px;
    }
    .mega-head a{color:var(--theme);font-size:14px;font-weight:800}
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      padding:14px;
      background:#f8fafc;
      border:1px solid #e8edf4;
      border-radius:12px;
      transition:border-color .18s ease,transform .18s ease,box-shadow .18s ease;
    }
    .mega-card:hover{
      border-color:#a8bee2;
      box-shadow:0 8px 22px rgba(11,61,145,.09);
      transform:translateY(-2px);
    }
    .mega-card p{
      margin:7px 0 0;
      color:var(--muted);
      font-size:13px;
      line-height:1.5;
    }
    .broker-mini-head,.tool-mini-head{
      display:flex;
      align-items:center;
      gap:10px;
    }
    .broker-mini-head img,.tool-mini-head img{
      width:34px;
      height:34px;
      object-fit:contain;
      background:#fff;
      border-radius:8px;
    }
    .mini-meta{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:4px 10px;
      margin-top:10px;
      color:var(--muted);
      font-size:12px;
    }
    .video-mini{display:flex;gap:12px}
    .video-mini>img{
      width:88px;
      height:64px;
      flex:0 0 auto;
      object-fit:cover;
      border-radius:8px;
    }
    .video-mini>span{min-width:0}
    .video-mini strong{
      display:block;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .duration{
      display:block;
      margin-top:4px;
      color:var(--muted);
      font-size:12px;
    }
    .category-chips{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:16px;
    }
    .category-chips a{
      padding:6px 11px;
      color:var(--theme);
      background:var(--theme-soft);
      border-radius:999px;
      font-size:13px;
      font-weight:700;
    }

    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      margin-left:4px;
      white-space:nowrap;
    }
    .header-btns>span{font-size:14px}
    .open-account{
      padding:10px 15px;
      color:#fff;
      background:var(--theme);
      border-radius:9px;
      font-size:14px;
      font-weight:800;
    }
    .open-account:hover{background:var(--theme-dark)}
    .hamburger{
      display:none;
      width:42px;
      height:42px;
      padding:9px;
      background:#fff;
      border:1px solid var(--line);
      border-radius:10px;
    }
    .hamburger span{
      display:block;
      width:100%;
      height:2px;
      margin:5px 0;
      background:var(--ink);
      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;
      z-index:999;
      inset:0;
      visibility:hidden;
      opacity:0;
      background:rgba(3,12,28,.62);
      transition:opacity .22s ease,visibility .22s ease;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      z-index:1000;
      top:0;
      right:0;
      width:min(420px,92vw);
      height:100dvh;
      overflow-y:auto;
      background:#fff;
      box-shadow:-18px 0 45px rgba(0,0,0,.18);
      transform:translateX(105%);
      transition:transform .25s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      position:sticky;
      z-index:2;
      top:0;
      display:grid;
      grid-template-columns:1fr auto auto;
      align-items:center;
      gap:10px;
      min-height:70px;
      padding:12px 18px;
      background:#fff;
      border-bottom:1px solid var(--line);
    }
    .drawer-head>a{
      padding:8px 13px;
      color:#fff;
      background:var(--theme);
      border-radius:8px;
      font-weight:800;
    }
    .drawer-close{
      width:38px;
      height:38px;
      padding:0;
      color:var(--ink);
      background:#f2f4f7;
      border:0;
      border-radius:9px;
      font-size:26px;
      line-height:1;
    }
    .drawer-menu{padding:12px 18px 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 4px;
      color:var(--ink);
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      text-align:left;
      font-weight:800;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--theme);
      font-size:20px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:8px 0 8px 16px;
      border-bottom:1px solid var(--line);
    }
    .drawer-submenu.open{display:block}
    .drawer-submenu a{
      display:block;
      padding:9px 4px;
      color:var(--muted);
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme)}

    .ea-content-stack{min-width:0;padding-bottom:80px}
    .ea-content-stack .product-hero{
      position:relative;
      overflow:hidden;
      color:#fff;
      background:
        radial-gradient(circle at 12% 15%,rgba(54,226,138,.12),transparent 28%),
        radial-gradient(circle at 88% 22%,rgba(245,185,66,.12),transparent 26%),
        linear-gradient(145deg,#06110d,#071a16 55%,#081326);
      border-bottom:1px solid rgba(54,226,138,.2);
    }
    .ea-content-stack .product-hero::after{
      content:"";
      position:absolute;
      inset:0;
      opacity:.12;
      pointer-events:none;
      background-image:linear-gradient(rgba(54,226,138,.2) 1px,transparent 1px),linear-gradient(90deg,rgba(54,226,138,.2) 1px,transparent 1px);
      background-size:32px 32px;
    }
    .ea-content-stack .product-hero-inner{
      position:relative;
      z-index:1;
      padding:28px 0 58px;
    }
    .ea-content-stack .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:28px;
      color:#a9c3b7;
      font-size:14px;
    }
    .ea-content-stack .breadcrumb a:hover{color:var(--green)}
    .ea-content-stack .product-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:13px;
      color:var(--green);
      font-size:13px;
      font-weight:800;
      letter-spacing:.06em;
    }
    .ea-content-stack .product-kicker::before{
      content:"";
      width:8px;
      height:8px;
      background:var(--green);
      border-radius:50%;
      box-shadow:0 0 12px var(--green);
    }
    .ea-content-stack .product-title{
      max-width:900px;
      margin:0;
      font-size:clamp(34px,5vw,64px);
      line-height:1.1;
      letter-spacing:-.035em;
    }
    .ea-content-stack .product-summary{
      max-width:820px;
      margin:20px 0 0;
      color:#c8d6d0;
      font-size:clamp(16px,2vw,20px);
    }
    .ea-content-stack .hero-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px;
      margin-top:26px;
    }
    .ea-content-stack .hero-meta span{
      padding:8px 12px;
      color:#d7e6df;
      background:rgba(255,255,255,.06);
      border:1px solid rgba(255,255,255,.12);
      border-radius:999px;
      font-size:13px;
    }
    .ea-content-stack .hero-meta strong{color:var(--amber)}

    .ea-content-stack .product-shell{
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:28px;
      align-items:start;
      margin-top:-28px;
      position:relative;
      z-index:3;
    }
    .ea-content-stack .product-main-card,
    .ea-content-stack .product-side-card,
    .ea-content-stack .related-section{
      background:#fff;
      border:1px solid var(--line);
      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(135deg,#eef4fd,#f9fbff);
      border-bottom:1px solid var(--line);
    }
    .ea-content-stack .product-cover img{
      width:100%;
      max-height:520px;
      object-fit:contain;
      background:#fff;
      border:1px solid #e5eaf1;
      border-radius:14px;
    }
    .ea-content-stack .product-intro{padding:30px 34px 8px}
    .ea-content-stack .section-label{
      margin:0 0 8px;
      color:var(--theme);
      font-size:13px;
      font-weight:900;
      letter-spacing:.08em;
    }
    .ea-content-stack .product-intro h2,
    .ea-content-stack .product-body h2{
      margin:0 0 14px;
      color:#14213d;
      font-size:clamp(24px,3vw,34px);
      line-height:1.25;
    }
    .ea-content-stack .product-intro p{
      margin:0;
      color:#475467;
      font-size:17px;
    }
    .ea-content-stack .content-divider{
      height:1px;
      margin:28px 34px 0;
      background:var(--line);
    }
    .ea-content-stack .product-body{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      padding:30px 34px 38px;
      color:#344054;
      font-size:16px;
    }
    .ea-content-stack .product-body>*:first-child{margin-top:0}
    .ea-content-stack .product-body>*:last-child{margin-bottom:0}
    .ea-content-stack .product-body h1,
    .ea-content-stack .product-body h2,
    .ea-content-stack .product-body h3,
    .ea-content-stack .product-body h4{
      color:#16213a;
      line-height:1.3;
    }
    .ea-content-stack .product-body p{margin:0 0 1.2em}
    .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,
    .ea-content-stack .product-body table{
      max-width:100%;
    }
    .ea-content-stack .product-body img{
      height:auto;
      margin:22px auto;
      border-radius:12px;
    }
    .ea-content-stack .product-body iframe{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:11px 13px;
      border:1px solid var(--line);
      text-align:left;
    }
    .ea-content-stack .product-body pre,
    .ea-content-stack .product-body code{
      max-width:100%;
      white-space:pre-wrap;
      overflow-wrap:anywhere;
    }
    .ea-content-stack .product-side{
      display:grid;
      gap:18px;
      position:sticky;
      top:22px;
    }
    .ea-content-stack .product-side-card{padding:22px}
    .ea-content-stack .product-side-card h2{
      margin:0 0 14px;
      font-size:19px;
    }
    .ea-content-stack .detail-list{
      margin:0;
      padding:0;
      list-style:none;
    }
    .ea-content-stack .detail-list li{
      display:flex;
      justify-content:space-between;
      gap:18px;
      padding:11px 0;
      border-bottom:1px solid var(--line);
      color:var(--muted);
      font-size:14px;
    }
    .ea-content-stack .detail-list li:last-child{border-bottom:0}
    .ea-content-stack .detail-list strong{
      color:var(--ink);
      text-align:right;
      overflow-wrap:anywhere;
    }
    .ea-content-stack .side-action{
      display:block;
      width:100%;
      margin-top:16px;
      padding:12px 16px;
      color:#fff;
      background:var(--theme);
      border-radius:10px;
      text-align:center;
      font-weight:900;
    }
    .ea-content-stack .side-action:hover{background:var(--theme-dark)}
    .ea-content-stack .risk-card{
      color:#5d4510;
      background:#fff9e8;
      border-color:#f0d997;
      box-shadow:none;
    }
    .ea-content-stack .risk-card h2{
      display:flex;
      align-items:center;
      gap:8px;
      color:#5d4510;
    }
    .ea-content-stack .risk-card h2::before{
      content:"!";
      display:grid;
      place-items:center;
      width:24px;
      height:24px;
      color:#231a04;
      background:var(--amber);
      border-radius:50%;
      font-size:14px;
    }
    .ea-content-stack .risk-card p{margin:0;font-size:14px}

    .ea-content-stack .related-section{
      margin-top:34px;
      padding:30px;
      box-shadow:none;
    }
    .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}
    .ea-content-stack .related-head p{margin:4px 0 0;color:var(--muted)}
    .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:14px;
      transition:transform .18s ease,border-color .18s ease,box-shadow .18s ease;
    }
    .ea-content-stack .related-card:hover{
      border-color:#adc1e1;
      box-shadow:0 12px 28px rgba(11,61,145,.1);
      transform:translateY(-3px);
    }
    .ea-content-stack .related-card img{
      width:100%;
      height:180px;
      object-fit:cover;
      background:#edf2f8;
    }
    .ea-content-stack .related-card-body{padding:17px}
    .ea-content-stack .related-card h3{
      margin:0 0 8px;
      font-size:18px;
      line-height:1.35;
    }
    .ea-content-stack .related-card p{
      display:-webkit-box;
      margin:0 0 12px;
      overflow:hidden;
      color:var(--muted);
      font-size:14px;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .ea-content-stack .related-meta{
      display:flex;
      justify-content:space-between;
      gap:12px;
      color:#7b8494;
      font-size:12px;
    }

    .footer{color:#cad5e5;background:#07162f}
    .footer-main{padding:58px 0 46px}
    .footer-grid{
      display:grid;
      grid-template-columns:1.45fr .8fr .8fr 1fr;
      gap:40px;
    }
    .footer .logo{color:#fff}
    .footer-brand p{
      max-width:480px;
      margin:18px 0;
      color:#9fb0c8;
      font-size:14px;
    }
    .footer-social{color:#fff}
    .footer h3{
      margin:6px 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-links{display:grid;gap:10px}
    .footer-links a,.footer-contact a{color:#b9c7da}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-contact p{
      margin:0 0 10px;
      color:#9fb0c8;
      font-size:14px;
    }
    .footer-bottom{
      border-top:1px solid rgba(255,255,255,.1);
      background:#051126;
    }
    .footer-bottom-inner{
      min-height:64px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8fa2bd;
      font-size:13px;
    }

    @media (max-width:1180px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
    }
    @media (max-width:900px){
      .ea-content-stack .product-shell{grid-template-columns:1fr}
      .ea-content-stack .product-side{position:static;grid-template-columns:1fr 1fr}
      .ea-content-stack .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-grid{grid-template-columns:1fr 1fr}
    }
    @media (max-width:640px){
      .container{width:min(calc(100% - 28px),var(--container))}
      .topbar-inner{
        min-height:54px;
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        gap:2px;
      }
      .topbar-contact{flex-wrap:wrap;gap:2px 14px}
      .header-inner{min-height:68px}
      .header .logo span{display:none}
      .header .logo img{width:38px;height:38px}
      .header-btns>span{display:none}
      .open-account{padding:9px 12px}
      .ea-content-stack .product-hero-inner{padding:22px 0 48px}
      .ea-content-stack .breadcrumb{margin-bottom:22px}
      .ea-content-stack .product-title{font-size:36px}
      .ea-content-stack .product-shell{margin-top:-20px}
      .ea-content-stack .product-cover{padding:13px}
      .ea-content-stack .product-intro{padding:24px 20px 4px}
      .ea-content-stack .content-divider{margin:24px 20px 0}
      .ea-content-stack .product-body{padding:24px 20px 30px}
      .ea-content-stack .product-side{grid-template-columns:1fr}
      .ea-content-stack .related-section{padding:22px 16px}
      .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-card img{height:200px}
      .footer-grid{grid-template-columns:1fr;gap:28px}
      .footer-bottom-inner{
        align-items:flex-start;
        flex-direction:column;
        justify-content:center;
        padding:16px 0;
      }
    }