body {
    margin: 0;
    padding: 0;
    font-family: Arial, sans-serif;
    background-color: #f5f5f5;
}

.container {
    width: 900px;
    margin: 0 auto;
    background-color: white;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    min-height: 100vh;
}

.header {
    background: url('bg.png') repeat-x;
    height: 96px;
    display: flex;
    align-items: center;
    padding-left: 20px;
}

.header img {
    height: 80px;
    width: auto;
    max-width: 389px;
}

.content {
    padding: 20px;
}

h3 {
    margin-top: 0;
    color: #333;
    font-size: 24px;
}

p {
    line-height: 1.6;
    text-align: justify;
    margin-bottom: 15px;
}

a {
    color: #0066cc;
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

@media (max-width: 768px) {
    .container {
        width: 100%;
        box-shadow: none;
    }
    
    .header {
        height: 80px;
        padding: 0 15px;
    }
    
    .header img {
        height: 60px;
    }
    
    .content {
        padding: 15px;
    }
    
    h3 {
        font-size: 20px;
    }
    
    p {
        font-size: 14px;
        text-align: left;
    }
}

@media (max-width: 480px) {
    .header {
        height: 70px;
        padding: 0 10px;
    }
    
    .header img {
        height: 50px;
    }
    
    .content {
        padding: 10px;
    }
    
    h3 {
        font-size: 18px;
    }
    
    p {
        font-size: 13px;
    }
}