
        :root {
            --gray-50: #fafafa;
            --slate-100: #f1f5f9;
            --gray-100: #f3f4f6;
            --gray-200: #e5e7eb;
            --gray-500: #6b7280;
            --gray-600: #4b5563;
            --gray-700: #374151;
            --indigo-500: #6366f1;
            --purple-600: #8b5cf6;
            --red-500: #ef4444;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            font-family: Arial, sans-serif;
            min-height: 100vh;
            background: linear-gradient(45deg, #ffffff, #f8f8f8);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 2rem;
            overflow-x: hidden;
        }

        .particles {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            pointer-events: none;
            z-index: 0;
        }

        .particle {
            position: absolute;
            width: 3px;
            height: 3px;
            background: #e2e2e2;
            border-radius: 50%;
            animation: float 20s infinite linear;
        }

        @keyframes float {
            0% {
                transform: translateY(100vh) translateX(0);
                opacity: 0;
            }
            50% {
                opacity: 1;
            }
            100% {
                transform: translateY(-100vh) translateX(100px);
                opacity: 0;
            }
        }

        .content {
            position: relative;
            z-index: 1;
            width: 100%;
            max-width: 1200px;
        }

        .header {
            text-align: center;
            margin-bottom: 2rem;
            animation: fadeInDown 1s ease-out;
        }

        .subtitle {
            font-size: 1.4rem;
            color: var(--gray-600);
            margin-bottom: 0.5rem;
            text-transform: uppercase;
            letter-spacing: 3px;
        }

        .title {
            font-size: 4.5rem;
            font-weight: bold;
            background: linear-gradient(45deg, var(--indigo-500), var(--purple-600));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }

        .warning {
            background: rgba(239, 68, 68, 0.1);
            border: 1px solid var(--red-500);
            border-radius: 8px;
            padding: 1rem;
            margin: 2rem auto;
            max-width: 600px;
            text-align: center;
            color: var(--red-500);
            backdrop-filter: blur(5px);
            animation: pulse 2s infinite;
        }

        .warning-icon {
            color: var(--red-500);
            font-size: 1.5rem;
            margin-right: 0.5rem;
        }

        .grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 2rem;
            padding: 1rem;
            animation: fadeInUp 1s ease-out;
        }

        .major-button {
            background: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 0, 0, 0.1);
            border-radius: 1rem;
            padding: 2.5rem;
            text-align: center;
            cursor: pointer;
            transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
            text-decoration: none;
            color: var(--gray-700);
            position: relative;
            overflow: hidden;
            box-shadow: 0 4px 6px rgba(0, 0, 0, 0.05);
        }

        .major-button::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(45deg, transparent, rgba(99, 102, 241, 0.1), transparent);
            transform: translateX(-100%);
            transition: transform 0.5s;
        }

        .major-button:hover {
            transform: translateY(-10px) scale(1.02);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
            background: rgba(255, 255, 255, 0.9);
        }

        .major-button:hover::before {
            transform: translateX(100%);
        }

        .major-icon {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            transition: transform 0.5s;
        }

        .major-button:hover .major-icon {
            transform: scale(1.2) rotate(360deg);
        }

        .major-name {
            font-size: 1.3rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        @keyframes fadeInDown {
            from {
                opacity: 0;
                transform: translateY(-30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes pulse {
            0% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.4);
            }
            70% {
                box-shadow: 0 0 0 10px rgba(239, 68, 68, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0);
            }
        }

        @media (max-width: 768px) {
            .title {
                font-size: 3rem;
            }
            
            .subtitle {
                font-size: 1.1rem;
            }

            .grid {
                grid-template-columns: 1fr;
                padding: 1rem;
            }

            .major-button {
                padding: 2rem;
            }
        }

        @media (max-width: 480px) {
            .title {
                font-size: 2.5rem;
            }

            .warning {
                margin: 1rem;
                padding: 0.75rem;
                font-size: 0.9rem;
            }
        }