:root{
      --primary:#0B3D91;
      --primary-dark:#06265f;
      --primary-light:#e8f0ff;
      --electric:#1677ff;
      --green:#72f28a;
      --ink:#101828;
      --muted:#667085;
      --line:#e4e7ec;
      --soft:#f5f8fc;
      --white:#fff;
      --danger:#d92d20;
      --shadow:0 18px 50px rgba(11,61,145,.12);
      --radius:20px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:#fff;
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      line-height:1.65;
      -webkit-font-smoothing:antialiased;
    }
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input,select,textarea{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{
      color:#dce8ff;
      background:#061a3c;
      border-bottom:1px solid rgba(255,255,255,.09);
      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:var(--green)}

    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 4px 16px rgba(16,24,40,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      flex:none;
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--primary-dark);
      font-size:20px;
      font-weight:800;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .main-nav{align-self:stretch;margin-left:auto}
    .nav-list{
      height:100%;
      display:flex;
      align-items:stretch;
      gap:2px;
      margin:0;
      padding:0;
      list-style:none;
    }
    .nav-item{
      position:relative;
      display:flex;
      align-items:center;
    }
    .nav-link{
      height:100%;
      display:flex;
      align-items:center;
      gap:6px;
      padding:0 13px;
      color:#344054;
      font-size:15px;
      font-weight:700;
      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;
      border-right:1.5px solid currentColor;
      border-bottom:1.5px solid currentColor;
      transform:rotate(45deg) translateY(-2px);
      transition:transform .2s ease;
    }
    .nav-item:hover .has-arrow::after,
    .nav-item:focus-within .has-arrow::after{
      transform:rotate(225deg) translate(-2px,-1px);
    }
    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      z-index:60;
      opacity:0;
      visibility:hidden;
      pointer-events:none;
      transform:translate(-50%,10px);
      transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
      background:#fff;
      border:1px solid var(--line);
      box-shadow:0 24px 60px rgba(16,24,40,.16);
    }
    .dropdown-panel::before,
    .mega-menu::before{
      content:"";
      position:absolute;
      left:0;
      right:0;
      top:-10px;
      height:10px;
    }
    .nav-item:hover>.dropdown-panel,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{
      opacity:1;
      visibility:visible;
      pointer-events:auto;
      transform:translate(-50%,0);
    }
    .dropdown-panel{
      width:330px;
      padding:12px;
      border-radius:0 0 16px 16px;
    }
    .dropdown-panel>a:not(.dropdown-footer){
      display:block;
      padding:11px 12px;
      color:#344054;
      border-radius:9px;
      font-size:14px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .dropdown-panel>a:not(.dropdown-footer):hover{
      color:var(--primary);
      background:var(--primary-light);
    }
    .dropdown-footer{
      display:block;
      margin-top:8px;
      padding:11px 12px;
      color:#fff;
      background:var(--primary);
      border-radius:9px;
      text-align:center;
      font-size:14px;
      font-weight:700;
    }
    .mega-menu{
      width:min(780px,calc(100vw - 48px));
      padding:22px;
      border-radius:0 0 20px 20px;
    }
    .mega-wide{width:min(1040px,calc(100vw - 48px))}
    .nav-item:nth-last-child(-n+3) .mega-menu{
      left:auto;
      right:0;
      transform:translate(0,10px);
    }
    .nav-item:nth-last-child(-n+3):hover>.mega-menu,
    .nav-item:nth-last-child(-n+3):focus-within>.mega-menu{
      transform:translate(0,0);
    }
    .mega-title{
      margin:0 0 14px;
      color:var(--primary-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:10px;
    }
    .mega-card{
      min-width:0;
      display:flex;
      align-items:flex-start;
      gap:10px;
      padding:11px;
      color:#344054;
      background:#f8fafc;
      border:1px solid #eef2f6;
      border-radius:12px;
      transition:border-color .2s ease,background .2s ease,transform .2s ease;
    }
    .mega-card:hover{
      color:var(--primary);
      background:#fff;
      border-color:#b7cdf4;
      transform:translateY(-2px);
    }
    .mega-card img{
      flex:none;
      width:42px;
      height:42px;
      object-fit:cover;
      border-radius:9px;
      background:#fff;
    }
    .mega-card>span{min-width:0;display:grid;gap:3px}
    .mega-card strong{
      color:#1d2939;
      font-size:14px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card span span{
      color:#667085;
      font-size:12px;
      line-height:1.45;
      display:-webkit-box;
      overflow:hidden;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .broker-meta{
      display:flex!important;
      flex-wrap:wrap;
      gap:3px 8px;
    }
    .broker-meta em{font-style:normal}
    .mega-columns{
      display:grid;
      grid-template-columns:220px minmax(0,1fr);
      gap:24px;
    }
    .mega-categories{display:grid;gap:7px}
    .mega-categories a{
      padding:9px 11px;
      color:#475467;
      background:#f8fafc;
      border-radius:8px;
      font-size:14px;
    }
    .mega-categories a:hover{color:var(--primary);background:var(--primary-light)}
    .mega-footer{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      margin-top:16px;
      padding:12px 15px;
      color:#dce8ff;
      background:linear-gradient(135deg,var(--primary-dark),var(--primary));
      border-radius:11px;
      font-size:13px;
      font-weight:700;
    }
    .header-btns{
      flex:none;
      display:flex;
      align-items:center;
      gap:10px;
    }
    .open-account{
      padding:10px 17px;
      color:#fff;
      background:var(--primary);
      border-radius:9px;
      font-size:14px;
      font-weight:800;
      box-shadow:0 8px 18px rgba(11,61,145,.2);
    }
    .open-account:hover{background:var(--primary-dark)}
    .hamburger{
      width:42px;
      height:42px;
      display:none;
      align-items:center;
      justify-content:center;
      flex-direction:column;
      gap:5px;
      padding:0;
      background:#fff;
      border:1px solid var(--line);
      border-radius:9px;
    }
    .hamburger span{
      width:20px;
      height:2px;
      background:var(--primary-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:80;
      opacity:0;
      visibility:hidden;
      background:rgba(4,15,35,.62);
      backdrop-filter:blur(3px);
      transition:opacity .25s ease,visibility .25s ease;
    }
    .drawer-overlay.open{opacity:1;visibility:visible}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:90;
      width:min(390px,90vw);
      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:72px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px 20px;
      color:#fff;
      background:linear-gradient(135deg,var(--primary-dark),var(--primary));
    }
    .drawer-head>a{
      padding:8px 12px;
      color:#fff;
      border:1px solid rgba(255,255,255,.32);
      border-radius:8px;
      font-weight:700;
    }
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      color:#fff;
      background:rgba(255,255,255,.1);
      border:0;
      border-radius:8px;
      font-size:28px;
      line-height:1;
    }
    .drawer-menu{padding:16px 20px 30px}
    .drawer-link,
    .drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 5px;
      color:#1d2939;
      background:transparent;
      border:0;
      border-bottom:1px solid var(--line);
      text-align:left;
      font-weight:800;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--primary);
      font-size:21px;
      font-weight:400;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      max-height:0;
      overflow:hidden;
      opacity:0;
      transition:max-height .3s ease,opacity .3s ease,padding .3s ease;
    }
    .drawer-submenu.open{
      max-height:700px;
      padding:8px 0;
      opacity:1;
    }
    .drawer-submenu a{
      display:block;
      padding:9px 14px;
      color:#667085;
      border-left:2px solid #dbe7fa;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--primary);background:var(--primary-light)}

    .tool-detail-page{
      min-height:640px;
      background:
        radial-gradient(circle at 85% 2%,rgba(22,119,255,.11),transparent 24%),
        linear-gradient(180deg,#f7faff 0,#fff 430px);
    }
    .tool-detail-page .tool-hero{
      padding:58px 0 42px;
      color:#fff;
      background:
        radial-gradient(circle at 12% 25%,rgba(114,242,138,.16),transparent 22%),
        radial-gradient(circle at 88% 8%,rgba(22,119,255,.35),transparent 28%),
        linear-gradient(145deg,#04142f,#082b69 56%,#0B3D91);
      overflow:hidden;
    }
    .tool-detail-page .breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      margin-bottom:26px;
      color:#bcd0f4;
      font-size:14px;
    }
    .tool-detail-page .breadcrumb a:hover{color:var(--green)}
    .tool-detail-page .tool-heading{
      max-width:850px;
      margin:0 auto;
      text-align:center;
    }
    .tool-detail-page .tool-icon{
      width:78px;
      height:78px;
      display:grid;
      place-items:center;
      margin:0 auto 20px;
      padding:14px;
      background:rgba(255,255,255,.12);
      border:1px solid rgba(255,255,255,.2);
      border-radius:22px;
      box-shadow:0 18px 45px rgba(0,0,0,.2);
      backdrop-filter:blur(10px);
    }
    .tool-detail-page .tool-icon img{
      width:100%;
      height:100%;
      object-fit:contain;
    }
    .tool-detail-page .tool-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:12px;
      padding:6px 12px;
      color:var(--green);
      background:rgba(114,242,138,.1);
      border:1px solid rgba(114,242,138,.25);
      border-radius:999px;
      font-size:13px;
      font-weight:800;
    }
    .tool-detail-page .tool-kicker::before{
      content:"";
      width:7px;
      height:7px;
      background:var(--green);
      border-radius:50%;
      box-shadow:0 0 14px var(--green);
    }
    .tool-detail-page h1{
      margin:0;
      font-size:clamp(34px,5vw,58px);
      line-height:1.14;
      letter-spacing:-.035em;
    }
    .tool-detail-page .tool-intro{
      max-width:760px;
      margin:18px auto 0;
      color:#dce8ff;
      font-size:17px;
    }
    .tool-detail-page .tool-meta{
      display:flex;
      flex-wrap:wrap;
      justify-content:center;
      gap:9px;
      margin-top:23px;
    }
    .tool-detail-page .tool-meta span{
      padding:7px 12px;
      color:#cbdcf8;
      background:rgba(255,255,255,.08);
      border:1px solid rgba(255,255,255,.13);
      border-radius:999px;
      font-size:13px;
    }
    .tool-detail-page .detail-shell{
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      gap:30px;
      align-items:start;
      padding-top:42px;
      padding-bottom:72px;
    }
    .tool-detail-page .tool-main-card,
    .tool-detail-page .side-card{
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:var(--shadow);
    }
    .tool-detail-page .tool-main-card{
      min-width:0;
      overflow:hidden;
    }
    .tool-detail-page .card-heading{
      padding:24px 28px;
      border-bottom:1px solid var(--line);
      background:linear-gradient(180deg,#fff,#f9fbff);
    }
    .tool-detail-page .card-heading h2{
      margin:0;
      color:var(--primary-dark);
      font-size:24px;
    }
    .tool-detail-page .card-heading p{margin:5px 0 0;color:var(--muted)}
    .tool-detail-page .tool-content{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      padding:30px;
      color:#344054;
      font-size:16px;
    }
    .tool-detail-page .tool-content> :first-child{margin-top:0}
    .tool-detail-page .tool-content> :last-child{margin-bottom:0}
    .tool-detail-page .tool-content h2,
    .tool-detail-page .tool-content h3,
    .tool-detail-page .tool-content h4{
      color:#102a56;
      line-height:1.35;
    }
    .tool-detail-page .tool-content a{
      color:var(--primary);
      text-decoration:underline;
      text-underline-offset:3px;
    }
    .tool-detail-page .tool-content img,
    .tool-detail-page .tool-content video,
    .tool-detail-page .tool-content iframe{
      max-width:100%;
      height:auto;
      border-radius:12px;
    }
    .tool-detail-page .tool-content table{
      width:100%;
      max-width:100%;
      border-collapse:collapse;
    }
    .tool-detail-page .tool-content th,
    .tool-detail-page .tool-content td{
      padding:11px 13px;
      border:1px solid var(--line);
      text-align:left;
      white-space:normal;
    }
    .tool-detail-page .tool-content blockquote{
      margin:24px 0;
      padding:16px 20px;
      color:#344054;
      background:var(--primary-light);
      border-left:4px solid var(--primary);
      border-radius:0 10px 10px 0;
    }
    .tool-detail-page .tool-notice{
      display:flex;
      gap:12px;
      margin:0 30px 30px;
      padding:16px 18px;
      color:#475467;
      background:#f8fafc;
      border:1px solid var(--line);
      border-radius:12px;
      font-size:14px;
    }
    .tool-detail-page .tool-notice strong{color:var(--primary-dark)}
    .tool-detail-page .detail-sidebar{
      position:sticky;
      top:24px;
      display:grid;
      gap:20px;
    }
    .tool-detail-page .side-card{padding:22px}
    .tool-detail-page .side-card h2{
      margin:0 0 16px;
      color:var(--primary-dark);
      font-size:19px;
    }
    .tool-detail-page .tool-facts{
      display:grid;
      gap:0;
      margin:0;
    }
    .tool-detail-page .tool-facts div{
      display:grid;
      gap:2px;
      padding:12px 0;
      border-bottom:1px solid var(--line);
    }
    .tool-detail-page .tool-facts div:last-child{border-bottom:0}
    .tool-detail-page .tool-facts dt{
      color:#667085;
      font-size:12px;
      font-weight:700;
    }
    .tool-detail-page .tool-facts dd{
      margin:0;
      color:#1d2939;
      font-size:14px;
      font-weight:800;
      word-break:break-word;
    }
    .tool-detail-page .related-list{display:grid;gap:10px}
    .tool-detail-page .related-tool{
      display:grid;
      grid-template-columns:44px minmax(0,1fr);
      gap:11px;
      align-items:start;
      padding:11px;
      background:#f8fafc;
      border:1px solid #eef2f6;
      border-radius:12px;
      transition:transform .2s ease,border-color .2s ease,background .2s ease;
    }
    .tool-detail-page .related-tool:hover{
      transform:translateY(-2px);
      background:#fff;
      border-color:#b7cdf4;
    }
    .tool-detail-page .related-tool img{
      width:44px;
      height:44px;
      padding:6px;
      object-fit:contain;
      background:#fff;
      border-radius:10px;
    }
    .tool-detail-page .related-tool span{min-width:0}
    .tool-detail-page .related-tool strong{
      display:block;
      color:#1d2939;
      font-size:14px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .tool-detail-page .related-tool small{
      display:-webkit-box;
      margin-top:3px;
      overflow:hidden;
      color:#667085;
      font-size:12px;
      line-height:1.5;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .tool-detail-page .sidebar-cta{
      color:#fff;
      background:linear-gradient(145deg,var(--primary-dark),var(--primary));
      border-color:transparent;
    }
    .tool-detail-page .sidebar-cta h2{color:#fff}
    .tool-detail-page .sidebar-cta p{
      margin:0 0 16px;
      color:#dce8ff;
      font-size:14px;
    }
    .tool-detail-page .sidebar-cta a{
      display:flex;
      align-items:center;
      justify-content:center;
      padding:11px 15px;
      color:var(--primary-dark);
      background:var(--green);
      border-radius:9px;
      font-weight:800;
    }

    .footer{
      color:#cbd5e1;
      background:#06152f;
      border-top:1px solid rgba(255,255,255,.08);
    }
    .footer-grid{
      display:grid;
      grid-template-columns:1.35fr .8fr .8fr 1fr;
      gap:42px;
      padding:58px 0 38px;
    }
    .footer .logo{color:#fff}
    .footer-brand>p{
      max-width:420px;
      margin:18px 0;
      color:#9fb0ca;
      font-size:14px;
    }
    .social-links{display:flex;flex-wrap:wrap;gap:10px}
    .footer h3{
      margin:5px 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-links{display:grid;gap:10px}
    .footer-links a,
    .footer-contact a{color:#b9c7dc}
    .footer-links a:hover,
    .footer-contact a:hover{color:var(--green)}
    .footer-contact p{
      margin:0 0 10px;
      color:#9fb0ca;
      font-size:14px;
    }
    .footer-bottom{
      min-height:72px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:25px;
      padding:18px 0;
      color:#8292aa;
      border-top:1px solid rgba(255,255,255,.1);
      font-size:13px;
    }

    @media (max-width:1120px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-btns{margin-left:auto}
      .tool-detail-page .detail-shell{grid-template-columns:minmax(0,1fr) 290px}
    }
    @media (max-width:900px){
      .tool-detail-page .detail-shell{grid-template-columns:1fr}
      .tool-detail-page .detail-sidebar{position:static;grid-template-columns:repeat(2,minmax(0,1fr))}
      .tool-detail-page .sidebar-cta{grid-column:1/-1}
      .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    }
    @media (max-width:680px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{
        padding:8px 0;
        align-items:flex-start;
        flex-direction:column;
        gap:2px;
      }
      .topbar-links{flex-wrap:wrap;gap:3px 14px}
      .header-inner{min-height:68px;gap:12px}
      .logo{font-size:17px}
      .logo img{width:36px;height:36px}
      .header-btns{gap:7px}
      .header-btns>.open-account{display:none}
      .tool-detail-page .tool-hero{padding:38px 0 32px}
      .tool-detail-page .breadcrumb{margin-bottom:20px}
      .tool-detail-page h1{font-size:34px}
      .tool-detail-page .tool-intro{font-size:15px}
      .tool-detail-page .detail-shell{padding-top:24px;padding-bottom:50px}
      .tool-detail-page .card-heading{padding:20px}
      .tool-detail-page .tool-content{padding:21px}
      .tool-detail-page .tool-notice{margin:0 21px 21px}
      .tool-detail-page .detail-sidebar{grid-template-columns:1fr}
      .footer-grid{grid-template-columns:1fr;gap:30px;padding:44px 0 30px}
      .footer-bottom{align-items:flex-start;flex-direction:column;gap:8px}
    }