:root{
      --primary:#0B3D91;
      --primary-dark:#06265d;
      --primary-light:#eaf1ff;
      --accent:#2f74d0;
      --ink:#172033;
      --muted:#667085;
      --line:#e3e8f1;
      --surface:#f5f7fb;
      --white:#fff;
      --success:#087a55;
      --shadow:0 18px 48px rgba(21,39,73,.12);
      --radius:18px;
    }

    *{box-sizing:border-box}
    html{scroll-behaviour:smooth}
    body{
      margin:0;
      color:var(--ink);
      background:var(--white);
      font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
      line-height:1.65;
    }
    body.drawer-locked{overflow:hidden}
    img{display:block;max-width:100%}
    a{color:inherit;text-decoration:none}
    button,input,textarea,select{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin-inline:auto}

    .topbar{
      color:#dce8ff;
      background:var(--primary-dark);
      font-size:13px;
    }
    .topbar-inner{
      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:hover{color:#fff;text-decoration:underline}

    .header{
      position:relative;
      z-index:50;
      background:rgba(255,255,255,.98);
      border-bottom:1px solid var(--line);
      box-shadow:0 5px 18px rgba(16,35,68,.04);
    }
    .header-inner{
      min-height:78px;
      display:flex;
      align-items:center;
      gap:24px;
    }
    .logo{
      min-width:0;
      display:inline-flex;
      align-items:center;
      gap:10px;
      color:var(--primary-dark);
      font-weight:800;
      letter-spacing:-.02em;
    }
    .logo img{
      width:42px;
      height:42px;
      object-fit:contain;
      border-radius:10px;
    }
    .logo span{
      max-width:180px;
      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:14px;
      font-weight:700;
    }
    .nav-link::after{
      content:"";
      position:absolute;
      right:12px;
      bottom:0;
      left:12px;
      height:3px;
      border-radius:3px 3px 0 0;
      background:var(--primary);
      transform:scaleX(0);
      transition:transform .2s ease;
    }
    .nav-item:hover>.nav-link,
    .nav-item:focus-within>.nav-link{color:var(--primary)}
    .nav-item:hover>.nav-link::after,
    .nav-item:focus-within>.nav-link::after{transform:scaleX(1)}

    .dropdown-panel,
    .mega-menu{
      position:absolute;
      top:100%;
      z-index:70;
      visibility:hidden;
      opacity:0;
      pointer-events:none;
      transform:translateY(10px);
      border:1px solid var(--line);
      background:#fff;
      box-shadow:var(--shadow);
      transition:opacity .18s ease,transform .18s ease,visibility .18s;
    }
    .dropdown-panel::before,
    .mega-menu::before{
      content:"";
      position:absolute;
      right:0;
      bottom:100%;
      left:0;
      height:12px;
    }
    .nav-item:hover>.dropdown-panel,
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.dropdown-panel,
    .nav-item:focus-within>.mega-menu{
      visibility:visible;
      opacity:1;
      pointer-events:auto;
      transform:translateY(0);
    }
    .dropdown-panel{
      left:0;
      width:340px;
      padding:20px;
      border-radius:0 0 16px 16px;
    }
    .dropdown-title,.mega-title{
      margin:0;
      color:var(--primary-dark);
      font-weight:800;
    }
    .dropdown-list{display:grid;gap:5px;margin-top:13px}
    .dropdown-list a{
      padding:9px 10px;
      border-radius:8px;
      color:#344054;
      font-size:14px;
    }
    .dropdown-list a:hover{color:var(--primary);background:var(--primary-light)}
    .dropdown-footer{
      display:flex;
      justify-content:space-between;
      gap:14px;
      margin-top:14px;
      padding-top:13px;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:13px;
    }
    .dropdown-footer a,.text-link{color:var(--primary);font-weight:800}

    .mega-menu{
      left:50%;
      width:min(1000px,calc(100vw - 40px));
      padding:24px;
      border-radius:0 0 20px 20px;
      transform:translate(-50%,10px);
    }
    .nav-item:hover>.mega-menu,
    .nav-item:focus-within>.mega-menu{transform:translate(-50%,0)}
    .mega-top{
      display:flex;
      align-items:flex-start;
      justify-content:space-between;
      gap:30px;
      margin-bottom:18px;
    }
    .mega-top p:not(.mega-title){
      margin:4px 0 0;
      color:var(--muted);
      font-size:14px;
    }
    .mega-categories{
      display:flex;
      flex-wrap:wrap;
      gap:8px;
      margin:-3px 0 18px;
    }
    .mega-categories a{
      padding:7px 11px;
      color:var(--primary);
      background:var(--primary-light);
      border-radius:999px;
      font-size:12px;
      font-weight:700;
    }
    .mega-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:12px;
    }
    .mega-card{
      min-width:0;
      display:grid;
      grid-template-columns:48px minmax(0,1fr);
      gap:5px 11px;
      align-items:center;
      padding:13px;
      border:1px solid var(--line);
      border-radius:13px;
      background:#fff;
      transition:border-color .2s,transform .2s,box-shadow .2s;
    }
    .mega-card:hover{
      border-color:#b8c9e8;
      transform:translateY(-2px);
      box-shadow:0 10px 22px rgba(11,61,145,.09);
    }
    .mega-card img{
      grid-row:1/4;
      width:48px;
      height:48px;
      object-fit:contain;
      border-radius:9px;
      background:var(--surface);
    }
    .mega-card strong{
      min-width:0;
      overflow:hidden;
      color:#202b3c;
      font-size:14px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .mega-card p{
      display:-webkit-box;
      margin:0;
      overflow:hidden;
      color:var(--muted);
      font-size:12px;
      line-height:1.4;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .mega-meta{display:flex;flex-wrap:wrap;gap:4px 9px;color:var(--muted);font-size:11px}
    .video-card,.product-card{align-items:start}
    .video-card img,.product-card img{object-fit:cover}
    .tool-icon{padding:8px}

    .header-btns{
      display:flex;
      align-items:center;
      gap:10px;
      white-space:nowrap;
    }
    .btn{
      display:inline-flex;
      align-items:center;
      justify-content:center;
      min-height:42px;
      padding:9px 17px;
      border:1px solid transparent;
      border-radius:10px;
      font-weight:800;
      transition:background .2s,transform .2s,box-shadow .2s;
    }
    .btn:hover{transform:translateY(-1px)}
    .btn-primary{
      color:#fff;
      background:var(--primary);
      box-shadow:0 8px 20px rgba(11,61,145,.2);
    }
    .btn-primary:hover{background:var(--primary-dark)}

    .hamburger{
      display:none;
      width:44px;
      height:44px;
      padding:10px;
      border:1px solid var(--line);
      border-radius:10px;
      background:#fff;
      cursor:pointer;
    }
    .hamburger span{
      display:block;
      height:2px;
      margin:5px 0;
      border-radius:2px;
      background:var(--primary-dark);
      transition:transform .2s,opacity .2s;
    }
    .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(7,17,35,.58);
      transition:opacity .25s,visibility .25s;
    }
    .drawer-overlay.open{visibility:visible;opacity:1}
    .mobile-drawer{
      position:fixed;
      top:0;
      right:0;
      bottom:0;
      z-index:100;
      width:min(390px,92vw);
      overflow-y:auto;
      background:#fff;
      box-shadow:-18px 0 50px rgba(0,0,0,.18);
      transform:translateX(105%);
      transition:transform .28s ease;
    }
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{
      position:sticky;
      top:0;
      z-index:2;
      display:flex;
      align-items:center;
      gap:12px;
      min-height:72px;
      padding:14px 18px;
      border-bottom:1px solid var(--line);
      background:#fff;
    }
    .drawer-head>a{color:var(--primary);font-weight:800}
    .drawer-close{
      width:38px;
      height:38px;
      margin-left:auto;
      border:0;
      border-radius:10px;
      color:#344054;
      background:var(--surface);
      font-size:26px;
      line-height:1;
      cursor:pointer;
    }
    .drawer-menu{padding:13px 18px 30px}
    .drawer-link,.drawer-toggle{
      width:100%;
      display:flex;
      align-items:center;
      justify-content:space-between;
      padding:14px 4px;
      border:0;
      border-bottom:1px solid var(--line);
      color:#263449;
      background:transparent;
      text-align:left;
      font-weight:750;
      cursor:pointer;
    }
    .drawer-toggle::after{
      content:"+";
      color:var(--primary);
      font-size:20px;
    }
    .drawer-toggle.active::after{content:"−"}
    .drawer-submenu{
      display:none;
      padding:7px 0 8px 13px;
      border-bottom:1px solid var(--line);
    }
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{
      padding:9px 8px;
      border-radius:7px;
      color:var(--muted);
      font-size:14px;
    }
    .drawer-submenu a:hover{color:var(--primary);background:var(--primary-light)}

    .article-page{
      min-width:0;
      padding:0 0 80px;
      background:linear-gradient(180deg,#f4f7fc 0,#fff 360px);
    }
    .article-page .article-breadcrumb{
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:8px;
      padding-top:24px;
      color:var(--muted);
      font-size:14px;
    }
    .article-page .article-breadcrumb a:hover{color:var(--primary)}
    .article-page .article-breadcrumb span[aria-hidden="true"]{color:#a6afbd}
    .article-page .article-shell{
      width:min(920px,100%);
      margin:26px auto 0;
    }
    .article-page .article-header{
      padding:clamp(28px,5vw,54px);
      border:1px solid var(--line);
      border-radius:24px 24px 0 0;
      background:#fff;
      box-shadow:0 18px 50px rgba(17,41,79,.08);
    }
    .article-page .article-kicker{
      display:inline-flex;
      align-items:center;
      gap:8px;
      margin:0 0 17px;
      padding:6px 11px;
      border-radius:999px;
      color:var(--primary);
      background:var(--primary-light);
      font-size:13px;
      font-weight:800;
    }
    .article-page .article-kicker::before{
      content:"";
      width:7px;
      height:7px;
      border-radius:50%;
      background:var(--primary);
    }
    .article-page h1{
      margin:0;
      color:#101828;
      font-size:clamp(34px,6vw,58px);
      line-height:1.08;
      letter-spacing:-.045em;
      overflow-wrap:anywhere;
    }
    .article-page .article-meta{
      display:flex;
      flex-wrap:wrap;
      gap:10px 22px;
      margin-top:24px;
      padding-top:20px;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:14px;
    }
    .article-page .article-meta span{
      display:inline-flex;
      align-items:center;
      gap:7px;
    }
    .article-page .article-meta strong{color:#344054;font-weight:700}
    .article-page .article-body{
      min-width:0;
      max-width:100%;
      overflow-x:auto;
      padding:clamp(26px,5vw,56px);
      border:1px solid var(--line);
      border-top:0;
      border-radius:0 0 24px 24px;
      color:#344054;
      background:#fff;
      box-shadow:0 22px 50px rgba(17,41,79,.08);
      font-size:17px;
      line-height:1.85;
    }
    .article-page .article-body>:first-child{margin-top:0}
    .article-page .article-body>:last-child{margin-bottom:0}
    .article-page .article-body h2,
    .article-page .article-body h3,
    .article-page .article-body h4{
      margin:1.8em 0 .65em;
      color:#14213a;
      line-height:1.3;
      letter-spacing:-.02em;
    }
    .article-page .article-body h2{font-size:30px}
    .article-page .article-body h3{font-size:24px}
    .article-page .article-body p{margin:0 0 1.25em}
    .article-page .article-body a{color:var(--primary);text-decoration:underline}
    .article-page .article-body img,
    .article-page .article-body video,
    .article-page .article-body iframe{
      max-width:100%;
      height:auto;
      margin:26px auto;
      border-radius:15px;
    }
    .article-page .article-body table{
      width:100%;
      max-width:100%;
      margin:25px 0;
      border-collapse:collapse;
      font-size:15px;
    }
    .article-page .article-body th,
    .article-page .article-body td{
      padding:12px 14px;
      border:1px solid var(--line);
      text-align:left;
    }
    .article-page .article-body th{color:var(--primary-dark);background:var(--primary-light)}
    .article-page .article-body blockquote{
      margin:28px 0;
      padding:20px 24px;
      border-left:4px solid var(--primary);
      border-radius:0 12px 12px 0;
      color:#263449;
      background:var(--primary-light);
    }
    .article-page .article-body pre{
      max-width:100%;
      overflow:auto;
      padding:20px;
      border-radius:12px;
      color:#eaf1ff;
      background:#10213e;
    }
    .article-page .article-body ul,
    .article-page .article-body ol{padding-left:24px}

    .article-page .article-tags{
      width:min(920px,100%);
      display:flex;
      flex-wrap:wrap;
      align-items:center;
      gap:9px;
      margin:24px auto 0;
      padding:18px 22px;
      border:1px solid var(--line);
      border-radius:14px;
      background:#fff;
    }
    .article-page .article-tags strong{margin-right:4px;color:#344054}
    .article-page .article-tags a{
      display:inline-flex;
      padding:6px 10px;
      border-radius:999px;
      color:var(--primary);
      background:var(--primary-light);
      font-size:13px;
      font-weight:700;
    }
    .article-page .article-tags a:hover{color:#fff;background:var(--primary)}

    .article-page .article-navigation{
      width:min(920px,100%);
      display:grid;
      grid-template-columns:repeat(2,minmax(0,1fr));
      gap:16px;
      margin:24px auto 0;
    }
    .article-page .article-navigation a{
      min-width:0;
      padding:20px;
      border:1px solid var(--line);
      border-radius:16px;
      background:#fff;
      transition:border-color .2s,transform .2s,box-shadow .2s;
    }
    .article-page .article-navigation a:hover{
      border-color:#b4c7e9;
      transform:translateY(-2px);
      box-shadow:0 12px 28px rgba(11,61,145,.09);
    }
    .article-page .article-navigation span{
      display:block;
      margin-bottom:6px;
      color:var(--muted);
      font-size:12px;
      font-weight:800;
      letter-spacing:.06em;
      text-transform:uppercase;
    }
    .article-page .article-navigation strong{
      display:block;
      overflow:hidden;
      color:#1f2d43;
      font-size:16px;
      text-overflow:ellipsis;
      white-space:nowrap;
    }
    .article-page .next-article{text-align:right}

    .article-page .related-section{
      width:min(1180px,100%);
      margin:62px auto 0;
    }
    .article-page .section-heading{
      display:flex;
      align-items:end;
      justify-content:space-between;
      gap:22px;
      margin-bottom:22px;
    }
    .article-page .section-heading p{
      margin:0 0 4px;
      color:var(--primary);
      font-size:13px;
      font-weight:800;
      letter-spacing:.08em;
      text-transform:uppercase;
    }
    .article-page .section-heading h2{
      margin:0;
      color:#101828;
      font-size:clamp(27px,4vw,38px);
      letter-spacing:-.03em;
    }
    .article-page .section-heading>a{color:var(--primary);font-weight:800}
    .article-page .related-grid{
      display:grid;
      grid-template-columns:repeat(3,minmax(0,1fr));
      gap:18px;
    }
    .article-page .related-card{
      min-width:0;
      overflow:hidden;
      border:1px solid var(--line);
      border-radius:17px;
      background:#fff;
      box-shadow:0 10px 26px rgba(20,42,76,.06);
      transition:transform .2s,box-shadow .2s;
    }
    .article-page .related-card:hover{
      transform:translateY(-4px);
      box-shadow:0 18px 36px rgba(11,61,145,.12);
    }
    .article-page .related-card img{
      width:100%;
      aspect-ratio:16/9;
      object-fit:cover;
      background:var(--surface);
    }
    .article-page .related-card-body{padding:18px}
    .article-page .related-card h3{
      display:-webkit-box;
      margin:0 0 10px;
      overflow:hidden;
      color:#1c293d;
      font-size:18px;
      line-height:1.4;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:2;
    }
    .article-page .related-card p{
      display:-webkit-box;
      margin:0 0 14px;
      overflow:hidden;
      color:var(--muted);
      font-size:14px;
      -webkit-box-orient:vertical;
      -webkit-line-clamp:3;
    }
    .article-page .related-meta{
      display:flex;
      flex-wrap:wrap;
      justify-content:space-between;
      gap:8px;
      padding-top:13px;
      border-top:1px solid var(--line);
      color:var(--muted);
      font-size:12px;
    }

    .article-page .risk-note{
      width:min(920px,100%);
      margin:28px auto 0;
      padding:20px 22px;
      border:1px solid #f0d8a8;
      border-radius:14px;
      color:#654c1b;
      background:#fff9eb;
      font-size:14px;
    }
    .article-page .risk-note strong{display:block;margin-bottom:4px;color:#513b12}

    .footer{
      color:#cbd7e9;
      background:#071a38;
    }
    .footer-main{
      display:grid;
      grid-template-columns:1.5fr 1fr 1fr 1fr;
      gap:42px;
      padding-top:58px;
      padding-bottom:44px;
    }
    .footer .logo{color:#fff}
    .footer .logo img{background:#fff}
    .footer-brand p{max-width:430px;margin:16px 0 0;color:#aebdd3;font-size:14px}
    .footer h3{margin:5px 0 17px;color:#fff;font-size:15px}
    .footer-links,.footer-contact{display:grid;gap:10px}
    .footer-links a,.footer-contact a{color:#b6c5da;font-size:14px}
    .footer-links a:hover,.footer-contact a:hover{color:#fff}
    .footer-social{margin-top:4px}
    .footer-bottom{
      display:flex;
      justify-content:space-between;
      gap:24px;
      padding-top:20px;
      padding-bottom:24px;
      border-top:1px solid rgba(255,255,255,.12);
      color:#94a6c0;
      font-size:13px;
    }

    @media (max-width:1080px){
      .main-nav{display:none}
      .hamburger{display:block}
      .header-btns{margin-left:auto}
      .article-page .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
      .footer-main{grid-template-columns:repeat(2,minmax(0,1fr))}
    }

    @media (max-width:700px){
      .container{width:min(100% - 28px,1180px)}
      .topbar-inner{min-height:44px}
      .topbar-inner>span{display:none}
      .topbar-links{width:100%;justify-content:space-between;gap:10px}
      .header-inner{min-height:70px;gap:12px}
      .logo img{width:37px;height:37px}
      .logo span{max-width:125px}
      .header-btns>.btn{display:none}
      .article-page{padding-bottom:58px}
      .article-page .article-breadcrumb{padding-top:18px}
      .article-page .article-shell{margin-top:18px}
      .article-page .article-header{padding:27px 21px}
      .article-page h1{font-size:34px}
      .article-page .article-body{padding:28px 21px;font-size:16px}
      .article-page .article-body h2{font-size:25px}
      .article-page .article-body h3{font-size:21px}
      .article-page .article-navigation{grid-template-columns:1fr}
      .article-page .next-article{text-align:left}
      .article-page .related-section{margin-top:46px}
      .article-page .section-heading{align-items:flex-start;flex-direction:column}
      .article-page .related-grid{grid-template-columns:1fr}
      .footer-main{grid-template-columns:1fr;gap:30px;padding-top:45px}
      .footer-bottom{flex-direction:column;gap:8px}
    }

    @media (max-width:420px){
      .topbar-links{font-size:11px}
      .logo span{max-width:105px}
      .article-page h1{font-size:30px}
      .article-page .article-meta{display:grid;gap:7px}
    }