:root {
        --primary-blue: #329696;
        --secondary-blue: #64CDCD;
        --primary-green: #4CAF50;
        --background-color: #F5F5F5;
        --text-color: #333333;
    }

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

    body {
        font-family: Arial, sans-serif;
        background-color: var(--background-color);
        display: flex;
        flex-direction: column;
        align-items: center;
        padding: 20px;
        min-height: 100vh;
        color: var(--text-color);
    }

    .container {
        max-width: 600px;
        width: 100%;
    }

    .logo-container {
        display: flex;
        justify-content: center;
        width: 100%;
        margin-bottom: 20px;
    }

    .logo {
        max-width: 300px;
        width: 100%;
    }

    .tagline {
        text-align: center;
        margin-bottom: 20px;
        color: var(--primary-blue);
        font-weight: bold;
        font-size: 1.2em;
    }

    .about {
        text-align: center;
        margin-bottom: 30px;
        line-height: 1.6;
    }

    .link-group {
        margin-bottom: 30px;
    }

    .group-title {
        font-size: 1.2em;
        font-weight: bold;
        margin-bottom: 15px;
        color: var(--primary-blue);
        text-transform: uppercase;
        letter-spacing: 1px;
    }

    .link-list {
        display: flex;
        flex-direction: column;
        gap: 12px;
    }

    .link-item {
        background-color: #fff;
        padding: 15px;
        text-decoration: none;
        color: var(--text-color);
        display: flex;
        align-items: center;
        transition: all 0.3s ease;
        border: 2px solid var(--secondary-blue);
    }

    .link-item:hover {
        transform: translateY(-3px);
        box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        background-color: var(--secondary-blue);
        color: white;
    }

    .link-item i {
        margin-right: 15px;
        font-size: 24px;
        color: var(--primary-blue);
        transition: color 0.3s ease;
    }

    .link-item:hover i {
        color: white;
    }