body {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            min-height: 100vh;
            margin: 0;
            padding: 30px;
            box-sizing: border-box;
            font-family: 'VT323', monospace;
            font-size: 24px;
            background: #000000;
            color: #e0e0e0;
            position: relative;
            overflow: hidden;
        }
        
        #vanta-bg {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            z-index: -1;
            opacity: 0.25;
        }
        
        header, main, footer {
            position: relative;
            z-index: 1;
        }
        
        header img {
            max-width: 150px;
        }
        main {
            text-align: center;
        }
        h1 {
            color: #ffffff;
            margin-bottom: 0.5rem;
            font-size: 2rem;
        }
        .secondary-name {
            font-size: 18px;
            color: #cccccc;
            margin-top: 0.3rem;
            font-weight: 300;
        }
        .thai-text {
            font-family: 'Sarabun', sans-serif;
            font-weight: 300;
            font-size: 18px;
        }
        .thai-h1 {
            font-family: 'Sarabun', sans-serif;
            font-weight: 400;
            font-size: 2rem;
        }
        .english-name {
            font-family: 'VT323', monospace;
            font-size: 18px;
        }
        p {
            margin: 0.75rem 0;
        }
        .contact {
            display: flex;
            justify-content: center;
            gap: 2rem;
            margin: 0.75rem 0;
        }
        a {
            color: #66b3ff;
            text-decoration: none;
            transition: color 0.3s;
        }
        a:hover {
            color: #99ccff;
            text-decoration: underline;
        }
        footer {
            margin-top: 2rem;
            font-size: 16px;
        }
        .language-switch {
            color: #cccccc;
        }
        .language-switch button {
            background: none;
            border: none;
            color: #66b3ff;
            font-family: inherit;
            font-size: inherit;
            cursor: pointer;
            padding: 0 0.5rem;
            transition: color 0.3s;
        }
        .language-switch button:hover {
            color: #99ccff;
        }
        .language-switch button.active {
            color: #ffffff;
            font-weight: bold;
        }
        .content {
            display: none;
        }
        .content.active {
            display: block;
        }