:root{
      --theme:#0B3D91;
      --ink:#101828;
      --muted:#667085;
      --line:#e5e7eb;
      --paper:#f6f8fb;
      --white:#fff;
      --gold:#d6a84f;
      --red:#b42318;
      --shadow:0 18px 50px rgba(16,24,40,.10);
      --radius:16px;
    }
    *{box-sizing:border-box}
    html{scroll-behavior:smooth}
    body{margin:0;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;color:var(--ink);background:var(--paper);line-height:1.6}
    a{color:inherit;text-decoration:none}
    img{max-width:100%;display:block}
    button{font:inherit}
    .container{width:min(1180px,calc(100% - 40px));margin:0 auto}

    .topbar{background:#081b3d;color:#dbe7ff;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:18px}
    .topbar a:hover{color:#fff}

    .header{background:#fff;border-bottom:1px solid var(--line);position:relative;z-index:20}
    .header-inner{min-height:78px;display:flex;align-items:center;gap:28px}
    .logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:18px;color:var(--theme);white-space:nowrap}
    .logo img{width:36px;height:36px;object-fit:contain}
    .main-nav{margin-left:auto}
    .nav-list{list-style:none;display:flex;align-items:stretch;gap:4px;margin:0;padding:0}
    .nav-item{position:relative}
    .nav-link{display:flex;align-items:center;gap:6px;padding:27px 12px;font-size:14px;font-weight:700;color:#344054}
    .nav-link:hover,.nav-link:focus{color:var(--theme)}
    .has-arrow:after{content:"⌄";font-size:13px;color:#98a2b3}
    .dropdown-panel,.mega-menu{position:absolute;top:100%;left:50%;transform:translateX(-50%);width:300px;background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;box-shadow:var(--shadow);padding:20px;opacity:0;visibility:hidden;pointer-events:none;transition:.2s ease}
    .mega-menu{width:520px}
    .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}
    .dropdown-panel:before,.mega-menu:before{content:"";position:absolute;top:-14px;left:0;right:0;height:14px}
    .panel-heading{font-size:12px;font-weight:800;text-transform:uppercase;letter-spacing:.08em;color:var(--theme);margin-bottom:12px}
    .panel-list{display:grid;gap:9px}
    .panel-list a{font-size:14px;color:#344054}
    .panel-list a:hover,.mega-card:hover strong{color:var(--theme)}
    .broker-grid,.video-grid,.tool-grid,.product-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px}
    .mega-card{border:1px solid var(--line);border-radius:10px;padding:10px;background:#fafcff;display:flex;flex-direction:column;gap:3px;min-width:0}
    .mega-card img{width:100%;height:54px;object-fit:cover;border-radius:7px;background:#eef3fb}
    .mega-card strong{font-size:13px;line-height:1.35}
    .mega-card small{font-size:11px;color:var(--muted);line-height:1.4}
    .mega-footer{display:block;margin-top:15px;padding-top:13px;border-top:1px solid var(--line);font-size:13px;font-weight:800;color:var(--theme)}
    .header-btns{display:flex;align-items:center;gap:10px}
    .member-link,.account-link{font-size:13px;font-weight:800;white-space:nowrap}
    .member-link{color:var(--theme)}
    .account-link{background:var(--theme);color:#fff;padding:10px 14px;border-radius:9px}
    .hamburger{display:none;border:0;background:transparent;width:42px;height:42px;padding:9px;cursor:pointer}
    .hamburger span{display:block;height:2px;background:var(--ink);margin:5px 0;transition:.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{display:none;position:fixed;inset:0;background:rgba(3,15,36,.58);z-index:40}
    .drawer-overlay.open{display:block}
    .mobile-drawer{position:fixed;top:0;right:0;width:min(390px,88vw);height:100vh;background:#fff;z-index:50;transform:translateX(100%);transition:.25s ease;overflow:auto}
    .mobile-drawer.open{transform:translateX(0)}
    .drawer-head{display:flex;align-items:center;gap:12px;padding:20px;border-bottom:1px solid var(--line);font-weight:800}
    .drawer-head span{margin-right:auto;color:var(--theme)}
    .drawer-head a{font-size:13px;color:var(--theme)}
    .drawer-close{border:0;background:#eef3fb;border-radius:8px;width:34px;height:34px;font-size:23px;line-height:1;cursor:pointer}
    .drawer-menu{padding:12px 20px 30px}
    .drawer-link,.drawer-toggle{display:block;width:100%;padding:14px 0;border:0;border-bottom:1px solid var(--line);background:none;text-align:left;font-weight:750;color:var(--ink);cursor:pointer}
    .drawer-toggle:after{content:"+";float:right;color:var(--theme);font-size:20px}
    .drawer-toggle.active:after{content:"−"}
    .drawer-submenu{display:none;padding:6px 0 8px 15px}
    .drawer-submenu.open{display:grid}
    .drawer-submenu a{padding:8px 0;color:var(--muted);font-size:14px}

    .tool-detail-page{padding:58px 0 82px}
    .breadcrumb{display:flex;flex-wrap:wrap;gap:8px;align-items:center;color:var(--muted);font-size:13px;margin-bottom:22px}
    .breadcrumb a{color:var(--theme)}
    .tool-hero{background:linear-gradient(135deg,#fff 0%,#f2f6ff 100%);border:1px solid var(--line);border-radius:24px;padding:clamp(24px,5vw,58px);box-shadow:var(--shadow);display:grid;grid-template-columns:96px 1fr;gap:28px;align-items:start}
    .tool-icon{width:96px;height:96px;border-radius:22px;object-fit:cover;background:#e7eefb;border:1px solid #d5e0f4;padding:12px}
    .eyebrow{font-size:12px;text-transform:uppercase;letter-spacing:.1em;color:var(--theme);font-weight:850;margin:0 0 10px}
    .tool-hero h1{font-size:clamp(32px,5vw,58px);line-height:1.06;letter-spacing:-.04em;margin:0 0 16px}
    .tool-lead{font-size:18px;color:#475467;max-width:760px;margin:0}
    .tool-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
    .meta-pill{background:#fff;border:1px solid #d7e2f5;border-radius:999px;padding:8px 13px;font-size:13px;color:#475467}
    .meta-pill strong{color:var(--ink)}
    .content-grid{display:grid;grid-template-columns:minmax(0,1fr) 310px;gap:28px;margin-top:30px;align-items:start}
    .content-card,.related-card{background:#fff;border:1px solid var(--line);border-radius:18px;padding:clamp(22px,4vw,38px);box-shadow:0 8px 30px rgba(16,24,40,.05)}
    .content-card h2{font-size:27px;margin:0 0 18px}
    .tool-body{min-width:0;max-width:100%;overflow-x:auto;color:#344054}
    .tool-body img,.tool-body table{max-width:100%}
    .tool-body h2,.tool-body h3{color:var(--ink);line-height:1.25}
    .tool-body a{color:var(--theme);text-decoration:underline}
    .tool-body blockquote{border-left:4px solid var(--gold);margin:24px 0;padding:14px 20px;background:#fffaf0}
    .sidebar{display:grid;gap:18px}
    .related-card h2{font-size:20px;margin:0 0 14px}
    .related-list{display:grid;gap:12px}
    .related-item{display:grid;grid-template-columns:46px 1fr;gap:11px;align-items:center;padding-bottom:12px;border-bottom:1px solid var(--line)}
    .related-item:last-child{border-bottom:0;padding-bottom:0}
    .related-item img{width:46px;height:46px;border-radius:10px;object-fit:cover;background:#eef3fb}
    .related-item strong{font-size:14px;line-height:1.3;display:block}
    .related-item small{font-size:12px;color:var(--muted);display:block;margin-top:3px}
    .notice{background:#081b3d;color:#e8efff;border-radius:18px;padding:24px}
    .notice h2{font-size:20px;margin:0 0 9px;color:#fff}
    .notice p{font-size:14px;margin:0 0 17px;color:#c8d6f5}
    .notice a{display:inline-block;background:var(--gold);color:#201708;border-radius:8px;padding:10px 14px;font-weight:800;font-size:13px}

    .footer{background:#081b3d;color:#c8d6f5;padding:52px 0 22px}
    .footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,1fr);gap:36px}
    .footer-brand strong{font-size:20px;color:#fff}
    .footer p{font-size:13px;line-height:1.7}
    .footer h3{margin:0 0 14px;color:#fff;font-size:14px}
    .footer-grid>div:not(.footer-brand){display:grid;align-content:start;gap:9px}
    .footer a{font-size:13px;color:#c8d6f5}
    .footer a:hover{color:#fff}
    .footer-bottom{display:flex;justify-content:space-between;gap:20px;border-top:1px solid rgba(255,255,255,.14);margin-top:36px;padding-top:18px;font-size:12px;color:#9db2d9}

    @media(max-width:980px){
      .main-nav{display:none}
      .hamburger{display:block}
      .topbar-links span{display:none}
      .tool-detail-page{padding-top:35px}
      .content-grid{grid-template-columns:1fr}
      .sidebar{grid-template-columns:repeat(2,1fr)}
      .notice{grid-column:span 2}
      .footer-grid{grid-template-columns:repeat(2,1fr)}
    }
    @media(max-width:620px){
      .container{width:min(100% - 28px,1180px)}
      .topbar .container{font-size:11px}
      .topbar-links{gap:8px}
      .member-link,.account-link{display:none}
      .tool-hero{grid-template-columns:1fr;padding:25px}
      .tool-icon{width:70px;height:70px;border-radius:16px}
      .tool-hero h1{font-size:36px}
      .tool-lead{font-size:16px}
      .sidebar{grid-template-columns:1fr}
      .notice{grid-column:auto}
      .footer-grid{grid-template-columns:1fr;gap:25px}
      .footer-bottom{display:grid;gap:8px}
    }