* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', 'Inter', system-ui, sans-serif;
        }

        body {
            background: #f0f4fa;
            min-height: 100vh;
        }

        .site-header {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            box-shadow: 0 4px 20px rgba(0, 20, 40, 0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
            border-bottom: 1px solid rgba(37, 99, 235, 0.2);
        }

        .header-container {
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 30px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 80px;
        }

        .logo a {
            font-size: 1.8rem;
            font-weight: 700;
            color: #0a2647;
            text-decoration: none;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .logo svg {
            width: 36px;
            height: 36px;
            stroke: #2563eb;
            stroke-width: 1.8;
        }

        .nav {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .nav-list {
            display: flex;
            list-style: none;
            gap: 8px;
        }

        .nav-item {
            position: relative;
        }

        .nav-link {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            border-radius: 40px;
            font-weight: 600;
            color: #11315b;
            text-decoration: none;
            transition: 0.15s;
            background: transparent;
            border: none;
            cursor: pointer;
            font-size: 1rem;
        }

        .nav-link:hover,
        .nav-link.active {
            background: #e2edff;
            color: #2563eb;
        }

        .nav-link svg {
            width: 20px;
            height: 20px;
            stroke: currentColor;
        }

        .dropdown-menu {
            position: absolute;
            top: 100%;
            left: 0;
            min-width: 260px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            border-radius: 24px;
            padding: 12px 8px;
            box-shadow: 0 20px 35px -10px rgba(0, 30, 60, 0.3);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: 0.2s;
            border: 1px solid rgba(37, 99, 235, 0.2);
            z-index: 100;
        }

        .nav-item:hover .dropdown-menu {
            opacity: 1;
            visibility: visible;
            transform: translateY(5px);
        }

        .dropdown-item {
            display: block;
            padding: 10px 16px;
            border-radius: 30px;
            color: #1e293b;
            text-decoration: none;
            font-weight: 500;
            transition: 0.1s;
        }

        .dropdown-item:hover {
            background: #e2edff;
            color: #2563eb;
        }

        .burger {
            display: none;
            flex-direction: column;
            justify-content: space-between;
            width: 30px;
            height: 21px;
            cursor: pointer;
            background: transparent;
            border: none;
        }

        .burger span {
            width: 100%;
            height: 3px;
            background: #11315b;
            border-radius: 3px;
            transition: 0.2s;
        }

        .mobile-nav {
            display: none;
            background: white;
            padding: 20px;
            border-top: 1px solid #dde5f0;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
        }

        .mobile-nav.active {
            max-height: 100vh;
            overflow-y: auto;
        }

        .mobile-nav-list {
            list-style: none;
        }

        .mobile-nav-item {
            border-bottom: 1px solid #eef2f6;
        }

        .mobile-nav-link {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            color: #11315b;
            font-weight: 600;
            text-decoration: none;
            cursor: pointer;
        }

        .mobile-dropdown {
            padding-left: 20px;
            display: none;
        }

        .mobile-dropdown.active {
            display: block;
        }

        .mobile-dropdown-item {
            display: block;
            padding: 12px 20px;
            color: #334155;
            text-decoration: none;
            font-weight: 500;
        }

        @media (max-width: 992px) {
            .nav-list {
                display: none;
            }
            .burger {
                display: flex;
            }
            .mobile-nav {
                display: block;
            }
        }

        .main-content {
            max-width: 1200px;
            margin: 50px auto;
            padding: 0 30px;
        }

        .info-card {
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(8px);
            border-radius: 48px;
            padding: 50px;
            box-shadow: 0 25px 45px -20px rgba(0, 30, 60, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.6);
            text-align: center;
        }

        .info-title {
            font-size: 2.5rem;
            color: #0b2b4a;
            margin-bottom: 20px;
        }

        .info-text {
            font-size: 1.2rem;
            color: #1e3a5f;
            max-width: 800px;
            margin: 0 auto 30px;
            line-height: 1.6;
        }

        .features {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
            margin-top: 40px;
        }

        .feature-item {
            flex: 1 1 250px;
            background: #eef4fc;
            border-radius: 40px;
            padding: 30px 20px;
            border: 2px solid #cddef5;
        }

        .feature-item svg {
            width: 50px;
            height: 50px;
            stroke: #2563eb;
            margin-bottom: 15px;
        }

        .feature-item h3 {
            color: #113961;
            margin-bottom: 10px;
            font-size: 1.5rem;
        }

        .feature-item p {
            color: #2a4b77;
        }

        .footer {
            text-align: center;
            padding: 30px;
            color: #64748b;
            font-size: 0.9rem;
        }
    
.skip-link{position:absolute;left:16px;top:-80px;background:#fff;padding:12px;z-index:2000;border:2px solid #2563eb;border-radius:8px}
.skip-link:focus{top:12px}
.nav-item:focus-within .dropdown-menu{opacity:1;visibility:visible;transform:translateY(5px)}
:focus-visible{outline:3px solid #2563eb;outline-offset:3px}
.mobile-nav:not(.active){display:none}
.mobile-nav-link[role=button]{cursor:pointer}
.site-header .logo a{white-space:nowrap}
@media(max-width:1200px){.nav-list{display:none}.burger{display:flex}.mobile-nav.active{display:block}}
@media(max-width:480px){.header-container{padding:0 16px;height:68px}.logo a{font-size:1.3rem}.logo svg{width:28px;height:28px}.mobile-nav{padding:8px}}
.tool-directory{max-width:1200px;margin:24px auto 56px;padding:0 24px}
.tool-directory h2{font-size:1.5rem;margin-bottom:18px;color:#0a2647}
.tool-directory-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(230px,1fr));gap:14px}
.tool-directory-grid a{display:block;text-decoration:none;background:#fff;padding:20px;border:1px solid #dde5f0;border-radius:18px;color:#11315b;transition:border-color .15s,transform .15s}
.tool-directory-grid a:hover{border-color:#2563eb;transform:translateY(-2px)}
.tool-directory-grid strong{display:block;font-size:1.05rem;margin-bottom:6px}
.tool-directory-grid span{display:block;color:#475569;font-size:.9rem;line-height:1.5}
.page-footer{max-width:1200px;margin:28px auto;padding:20px 24px;color:#64748b;display:flex;flex-wrap:wrap;gap:20px;justify-content:space-between;font-size:.9rem}
.page-footer a{color:#2563eb;text-decoration:none}
.card{scroll-margin-top:100px}
.btn[aria-pressed=true]{box-shadow:0 0 0 3px #93c5fd}