:root{
      --theme:#0B3D91;
      --theme-dark:#06275f;
      --theme-soft:#eaf1ff;
      --accent:#d8a536;
      --danger:#c93636;
      --ink:#101828;
      --muted:#667085;
      --line:#e4e7ec;
      --surface:#ffffff;
      --page:#f5f7fb;
      --shadow:0 18px 48px rgba(11,61,145,.12);
      --radius:18px;
    }

    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--page);
      font-family:"Microsoft YaHei","PingFang SC","Noto Sans SC",Arial,sans-serif;
      line-height:1.65;
      overflow-x:hidden;
    }
    body.drawer-locked{overflow:hidden}
    img{max-width:100%;display:block}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    button{cursor:pointer}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{
      position:relative;
      z-index:120;
      color:#dce7ff;
      background:#061a3e;
      border-bottom:1px solid rgba(255,255,255,.08);
      font-size:13px;
    }
    .topbar-inner{
      min-height:36px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
    }
    .topbar-contact{display:flex;align-items:center;gap:20px}
    .topbar-contact a{transition:color .2s ease}
    .topbar-contact a:hover{color:#fff}

    .header{
      position:relative;
      z-index:110;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 6px 24px rgba(16,24,40,.05);
    }
    .header-inner{
      min-height:76px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      min-width:0;
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--theme-dark);
      font-weight:800;
      letter-spacing:.01em;
    }
    .logo img{
      width:42px;
      height:42px;
      border-radius:11px;
      object-fit:contain;
      background:#fff;
    }
    .logo span{
      max-width:185px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }

    .main-nav{margin-left:auto;align-self:stretch}
    .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{
      position:relative;
      display:flex;
      align-items:center;
      height:100%;
      padding:0 12px;
      color:#344054;
      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(--theme);
      background:var(--theme-soft);
    }
    .nav-link.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);
      transition:transform .2s ease;
    }
    .nav-item:hover .has-arrow::after,
    .nav-item:focus-within .has-arrow::after{
      transform:rotate(225deg) translate(-1px,-1px);
    }

    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      left:50%;
      z-index:150;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translate(-50%,10px);
      background:#fff;
      border:1px solid var(--line);
      border-radius:0 0 16px 16px;
      box-shadow:0 22px 60px rgba(16,24,40,.16);
      transition:opacity .18s ease,transform .18s ease,visibility .18s ease;
    }
    .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{
      visibility:visible;
      opacity:1;
      pointer-events:auto;
      transform:translate(-50%,0);
    }
    .dropdown-panel{
      width:330px;
      padding:18px;
    }
    .dropdown-title,
    .mega-heading{
      margin:0 0 12px;
      color:var(--theme-dark);
      font-size:13px;
      font-weight:800;
      letter-spacing:.05em;
    }
    .dropdown-list{display:grid;gap:7px}
    .dropdown-article{
      display:block;
      padding:9px 10px;
      color:#344054;
      background:#f8fafc;
      border-radius:9px;
      font-size:14px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .dropdown-article:hover{color:var(--theme);background:var(--theme-soft)}
    .dropdown-footer,
    .mega-footer{
      display:block;
      margin-top:14px;
      padding-top:12px;
      color:var(--theme);
      border-top:1px solid var(--line);
      font-size:14px;
      font-weight:750;
      text-align:right;
    }

    .mega-menu{
      width:min(980px,calc(100vw - 48px));
      padding:22px;
    }
    .nav-item:nth-child(3) .mega-menu{left:35%}
    .nav-item:nth-child(6) .mega-menu{left:auto;right:-120px;transform:translateY(10px)}
    .nav-item:nth-child(6):hover>.mega-menu,
    .nav-item:nth-child(6):focus-within>.mega-menu{transform:translateY(0)}
    .mega-layout{
      display:grid;
      grid-template-columns:190px minmax(0,1fr);
      gap:22px;
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      display:block;
      padding:13px;
      background:#f8fafc;
      border:1px solid #edf0f5;
      border-radius:12px;
      transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
    }
    .mega-card:hover{
      transform:translateY(-2px);
      border-color:#bfd0ef;
      box-shadow:0 10px 24px rgba(11,61,145,.1);
    }
    .mega-broker-head,
    .mega-tool-head{
      display:flex;
      align-items:center;
      gap:9px;
      min-width:0;
    }
    .mega-broker-head img,
    .mega-tool-head img{
      width:34px;
      height:34px;
      flex:0 0 34px;
      object-fit:contain;
      border-radius:8px;
      background:#fff;
    }
    .mega-name{
      display:block;
      min-width:0;
      color:#172b4d;
      font-size:14px;
      font-weight:750;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-stats{
      display:grid;
      grid-template-columns:1fr 1fr;
      gap:6px;
      margin-top:10px;
    }
    .mega-stats span{
      color:var(--muted);
      font-size:11px;
    }
    .mega-stats strong{
      display:block;
      color:#27364f;
      font-size:12px;
    }
    .mega-summary{
      display:-webkit-box;
      margin:8px 0 0;
      color:var(--muted);
      font-size:12px;
      line-height:1.55;
      overflow:hidden;
      -webkit-line-clamp:2;
      -webkit-box-orient:vertical;
    }
    .mega-categories{display:grid;gap:7px}
    .mega-categories a{
      padding:8px 10px;
      color:#344054;
      background:#f8fafc;
      border-radius:8px;
      font-size:13px;
    }
    .mega-categories a:hover{color:var(--theme);background:var(--theme-soft)}
    .video-card>img,
    .product-mega-card>img{
      width:100%;
      height:82px;
      margin-bottom:9px;
      object-fit:cover;
      border-radius:8px;
    }
    .video-meta,
    .product-meta{
      display:flex;
      justify-content:space-between;
      gap:8px;
      margin-top:8px;
      color:#7b8494;
      font-size:11px;
    }

    .header-btns{
      display:flex;
      align-items:center;
      gap:9px;
      white-space:nowrap;
    }
    .header-btns>a,
    .header-btns>button:not(.hamburger){
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:40px;
      padding:0 15px;
      border-radius:9px;
    }
    .account-open{
      color:#fff;
      background:var(--theme);
      font-size:14px;
      font-weight:750;
      box-shadow:0 8px 18px rgba(11,61,145,.2);
    }
    .account-open:hover{background:var(--theme-dark)}
    .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;
    }
    .hamburger span{
      width:19px;
      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:190;
      visibility:hidden;
      opacity:0;
      background:rgba(5,18,42,.58);
      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:200;
      width:min(390px,90vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-20px 0 50px rgba(5,18,42,.2);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      position:sticky;
      top:0;
      z-index:2;
      min-height:72px;
      display:flex;
      align-items:center;
      gap:10px;
      padding:14px 18px;
      color:#fff;
      background:var(--theme-dark);
    }
    .drawer-head>a{
      display:inline-flex;
      align-items:center;
      min-height:36px;
      padding:0 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:30px;
      line-height:1;
    }
    .drawer-menu{padding:12px 18px 30px}
    .drawer-link,
    .drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      min-height:48px;
      padding:0 8px;
      color:#25324a;
      background:transparent;
      border:0;
      border-bottom:1px solid #edf0f5;
      font-weight:700;
      text-align:left;
    }
    .drawer-toggle::after{
      content:"+";
      margin-left:auto;
      color:var(--theme);
      font-size:20px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:7px 0 9px 13px;
      border-bottom:1px solid #edf0f5;
    }
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{
      padding:8px 10px;
      color:var(--muted);
      border-left:2px solid #dce5f6;
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--theme);border-left-color:var(--theme)}

    .tool-detail-page{min-width:0}
    .tool-detail-page .detail-banner{
      position:relative;
      overflow:hidden;
      padding:58px 0 54px;
      color:#fff;
      background:
        radial-gradient(circle at 12% 20%,rgba(216,165,54,.23),transparent 26%),
        radial-gradient(circle at 86% 80%,rgba(64,124,231,.3),transparent 30%),
        linear-gradient(135deg,#061a3e 0%,#0b3d91 62%,#06275f 100%);
    }
    .tool-detail-page .detail-banner::before{
      content:"";
      position:absolute;
      inset:0;
      opacity:.14;
      background-image:
        linear-gradient(rgba(255,255,255,.18) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.18) 1px,transparent 1px);
      background-size:36px 36px;
      mask-image:linear-gradient(to bottom,#000,transparent);
    }
    .tool-detail-page .banner-inner{
      position:relative;
      z-index:1;
      max-width:860px;
      margin:0 auto;
      text-align:center;
    }
    .tool-detail-page .breadcrumb{
      display:flex;
      align-items:center;
      justify-content:center;
      flex-wrap:wrap;
      gap:8px;
      margin-bottom:24px;
      color:#cbd9f4;
      font-size:14px;
    }
    .tool-detail-page .breadcrumb a:hover{color:#fff}
    .tool-detail-page .breadcrumb span[aria-hidden="true"]{opacity:.55}
    .tool-detail-page .tool-icon{
      width:78px;
      height:78px;
      display:flex;
      align-items:center;
      justify-content:center;
      margin:0 auto 18px;
      padding:13px;
      background:#fff;
      border:1px solid rgba(255,255,255,.65);
      border-radius:22px;
      box-shadow:0 18px 40px rgba(0,0,0,.22);
    }
    .tool-detail-page .tool-icon img{
      width:100%;
      height:100%;
      object-fit:contain;
    }
    .tool-detail-page .detail-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin-bottom:10px;
      color:#f4cf75;
      font-size:13px;
      font-weight:800;
      letter-spacing:.12em;
    }
    .tool-detail-page .detail-kicker::before,
    .tool-detail-page .detail-kicker::after{
      content:"";
      width:28px;
      height:1px;
      background:currentColor;
    }
    .tool-detail-page h1{
      margin:0;
      font-size:clamp(32px,5vw,56px);
      line-height:1.16;
      letter-spacing:-.035em;
    }
    .tool-detail-page .tool-intro{
      max-width:730px;
      margin:18px auto 0;
      color:#dce7fb;
      font-size:17px;
      line-height:1.85;
    }
    .tool-detail-page .tool-meta{
      display:flex;
      justify-content:center;
      flex-wrap:wrap;
      gap:10px;
      margin-top:25px;
    }
    .tool-detail-page .tool-meta span{
      display:inline-flex;
      align-items:center;
      min-height:34px;
      padding:0 13px;
      color:#eaf1ff;
      background:rgba(255,255,255,.09);
      border:1px solid rgba(255,255,255,.16);
      border-radius:999px;
      font-size:13px;
    }

    .tool-detail-page .detail-area{padding:48px 0 72px}
    .tool-detail-page .detail-layout{
      display:grid;
      grid-template-columns:minmax(0,1fr) 320px;
      align-items:start;
      gap:28px;
    }
    .tool-detail-page .tool-article,
    .tool-detail-page .side-card{
      min-width:0;
      background:#fff;
      border:1px solid var(--line);
      border-radius:var(--radius);
      box-shadow:0 12px 34px rgba(16,24,40,.06);
    }
    .tool-detail-page .article-head{
      padding:24px 28px;
      border-bottom:1px solid var(--line);
    }
    .tool-detail-page .article-head h2{
      margin:0 0 6px;
      color:#172b4d;
      font-size:23px;
    }
    .tool-detail-page .article-head p{margin:0;color:var(--muted);font-size:14px}
    .tool-detail-page .tool-content{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      padding:28px;
      color:#344054;
      font-size:16px;
      line-height:1.9;
    }
    .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:#172b4d;
      line-height:1.4;
    }
    .tool-detail-page .tool-content h2{
      margin:34px 0 14px;
      padding-left:13px;
      border-left:4px solid var(--theme);
      font-size:25px;
    }
    .tool-detail-page .tool-content h3{margin:28px 0 12px;font-size:20px}
    .tool-detail-page .tool-content a{
      color:var(--theme);
      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 th{background:#f3f6fb}
    .tool-detail-page .tool-content pre{
      max-width:100%;
      overflow:auto;
      padding:18px;
      color:#e8efff;
      background:#081a38;
      border-radius:12px;
    }
    .tool-detail-page .tool-content blockquote{
      margin:22px 0;
      padding:16px 20px;
      color:#344054;
      background:var(--theme-soft);
      border-left:4px solid var(--theme);
      border-radius:0 10px 10px 0;
    }
    .tool-detail-page .article-note{
      margin:0 28px 28px;
      padding:16px 18px;
      color:#5b6575;
      background:#fff9e9;
      border:1px solid #f1deb0;
      border-radius:12px;
      font-size:14px;
    }

    .tool-detail-page .detail-sidebar{
      position:sticky;
      top:24px;
      display:grid;
      gap:20px;
    }
    .tool-detail-page .side-card{padding:21px}
    .tool-detail-page .side-title{
      display:flex;
      align-items:center;
      gap:9px;
      margin:0 0 16px;
      color:#172b4d;
      font-size:18px;
    }
    .tool-detail-page .side-title::before{
      content:"";
      width:5px;
      height:20px;
      flex:0 0 5px;
      background:var(--theme);
      border-radius:4px;
    }
    .tool-detail-page .quick-list{display:grid;gap:10px}
    .tool-detail-page .quick-list a{
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:12px;
      padding:12px 13px;
      color:#344054;
      background:#f7f9fc;
      border:1px solid #edf0f5;
      border-radius:10px;
      font-size:14px;
      font-weight:700;
    }
    .tool-detail-page .quick-list a::after{content:"›";color:var(--theme);font-size:21px}
    .tool-detail-page .quick-list a:hover{color:var(--theme);border-color:#bfd0ef}
    .tool-detail-page .related-tools{display:grid;gap:11px}
    .tool-detail-page .related-tool{
      display:grid;
      grid-template-columns:46px minmax(0,1fr);
      gap:11px;
      padding:11px;
      background:#f8fafc;
      border:1px solid #edf0f5;
      border-radius:12px;
      transition:transform .2s ease,border-color .2s ease;
    }
    .tool-detail-page .related-tool:hover{
      transform:translateY(-2px);
      border-color:#bfd0ef;
    }
    .tool-detail-page .related-tool img{
      width:46px;
      height:46px;
      padding:7px;
      object-fit:contain;
      background:#fff;
      border-radius:10px;
    }
    .tool-detail-page .related-tool strong{
      display:block;
      color:#233654;
      font-size:14px;
      overflow:hidden;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .tool-detail-page .related-tool p{
      display:-webkit-box;
      margin:3px 0 0;
      color:var(--muted);
      font-size:12px;
      line-height:1.5;
      overflow:hidden;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .tool-detail-page .risk-card{
      color:#fff;
      background:linear-gradient(145deg,#0b3d91,#061a3e);
      border-color:transparent;
    }
    .tool-detail-page .risk-card .side-title{color:#fff}
    .tool-detail-page .risk-card .side-title::before{background:var(--accent)}
    .tool-detail-page .risk-card p{
      margin:0;
      color:#dce7fb;
      font-size:14px;
    }
    .tool-detail-page .side-cta{
      display:flex;
      align-items:center;
      justify-content:center;
      min-height:44px;
      margin-top:16px;
      color:#10284d;
      background:#f0c75e;
      border-radius:10px;
      font-weight:800;
    }
    .tool-detail-page .side-cta:hover{background:#f6d77f}

    .footer{
      color:#c8d4ea;
      background:#06152f;
      border-top:4px solid var(--theme);
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.45fr 1fr 1fr 1fr;
      gap:42px;
      padding:58px 0 42px;
    }
    .footer .logo{color:#fff}
    .footer .logo img{background:#fff}
    .footer-brand p{
      max-width:440px;
      margin:18px 0;
      color:#9fb0cb;
      font-size:14px;
    }
    .footer-social a{
      display:inline-flex;
      align-items:center;
      min-height:38px;
      padding:0 13px;
      color:#e6edfa;
      border:1px solid #29436c;
      border-radius:9px;
      font-size:14px;
    }
    .footer-social a:hover{border-color:#6f91c8}
    .footer-title{
      margin:0 0 17px;
      color:#fff;
      font-size:16px;
    }
    .footer-links,
    .footer-contact{display:grid;gap:10px}
    .footer-links a,
    .footer-contact a{
      color:#9fb0cb;
      font-size:14px;
      transition:color .2s ease;
    }
    .footer-links a:hover,
    .footer-contact a:hover{color:#fff}
    .footer-contact span{
      color:#6f83a3;
      font-size:12px;
    }
    .footer-bottom{
      min-height:68px;
      display:flex;
      align-items:center;
      justify-content:space-between;
      gap:20px;
      color:#8295b4;
      border-top:1px solid #203654;
      font-size:13px;
    }
    .footer-bottom-links{display:flex;gap:18px}
    .footer-bottom-links a:hover{color:#fff}

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:flex}
      .header-btns{margin-left:auto}
      .mega-menu,.dropdown-panel{display:none}
      .tool-detail-page .detail-layout{grid-template-columns:minmax(0,1fr) 290px}
      .footer-main{grid-template-columns:1.4fr 1fr 1fr}
      .footer-main>div:last-child{grid-column:2/4}
    }

    @media (max-width:820px){
      .topbar-welcome{display:none}
      .topbar-inner{justify-content:flex-end}
      .tool-detail-page .detail-banner{padding:45px 0}
      .tool-detail-page .detail-layout{grid-template-columns:1fr}
      .tool-detail-page .detail-sidebar{position:static}
      .tool-detail-page .detail-area{padding:34px 0 54px}
      .footer-main{grid-template-columns:1fr 1fr}
      .footer-brand{grid-column:1/-1}
      .footer-main>div:last-child{grid-column:auto}
    }

    @media (max-width:600px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-contact{width:100%;justify-content:space-between;gap:10px}
      .topbar-contact a{font-size:12px}
      .header-inner{min-height:68px;gap:10px}
      .header .logo img{width:37px;height:37px}
      .header .logo span{max-width:120px;font-size:14px}
      .header-btns{gap:7px}
      .header-btns>.account-open{min-height:37px;padding:0 11px}
      .header-btns> :not(.account-open):not(.hamburger){display:none}
      .hamburger{width:39px;height:39px}
      .tool-detail-page .detail-banner{padding:36px 0 39px}
      .tool-detail-page .tool-icon{width:66px;height:66px;border-radius:18px}
      .tool-detail-page h1{font-size:32px}
      .tool-detail-page .tool-intro{font-size:15px}
      .tool-detail-page .tool-meta{gap:7px}
      .tool-detail-page .tool-meta span{font-size:12px}
      .tool-detail-page .article-head,
      .tool-detail-page .tool-content{padding:20px}
      .tool-detail-page .article-note{margin:0 20px 20px}
      .tool-detail-page .tool-content{font-size:15px}
      .tool-detail-page .tool-content h2{font-size:21px}
      .footer-main{grid-template-columns:1fr;gap:30px;padding:42px 0 32px}
      .footer-brand,
      .footer-main>div:last-child{grid-column:auto}
      .footer-bottom{
        align-items:flex-start;
        flex-direction:column;
        padding:19px 0;
      }
    }