.about-main {
    margin-top: 80px;
    padding: 40px 20px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.about-content {
    line-height: 1.8;
    font-size: 16px;
}

.about-content h1 {
    color: #333;
    font-size: 2.5em;
    margin-bottom: 30px;
    text-align: center;
}

.about-content h2 {
    color: #333;
    font-size: 1.8em;
    margin: 30px 0 15px 0;
}

.about-content p {
    margin-bottom: 20px;
}

@media (max-width: 768px) {
    .about-main {
        margin-top: 70px;
        padding: 20px 15px;
    }
    
    .about-content h1 {
        font-size: 2em;
    }
}