.guohua-content {
    max-width: 1200px;
    margin: 100px auto 0;
    padding: 0 20px;
}

.intro {
    margin-bottom: 4rem;
}

.intro h1 {
    text-align: center;
    font-size: 2.5rem;
    margin-bottom: 2rem;
    color: #333;
}

.intro-content {
    display: flex;
    align-items: center;
    gap: 2rem;
}

.intro-content img {
    width: 50%;
    border-radius: 8px;
}

.intro-content .text {
    flex: 1;
}

.intro-content p {
    font-size: 1.1rem;
    line-height: 1.8;
}

.styles {
    margin-bottom: 4rem;
}

.styles h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #333;
}

.style-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.style-item {
    background: #fff;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.style-item img {
    width: 100%;
    border-radius: 4px;
    margin-bottom: 1rem;
}

.style-item h3 {
    color: #333;
    margin-bottom: 0.5rem;
}

.style-item p {
    color: #666;
}

.techniques {
    margin-bottom: 4rem;
}

.techniques h2 {
    text-align: center;
    font-size: 2rem;
    margin-bottom: 2rem;
    color: #333;
}

.technique-list {
    display: flex;
    flex-direction: column;
    gap: 2rem;
}

.technique-item {
    display: flex;
    align-items: center;
    gap: 2rem;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}

.technique-item img {
    width: 300px;
    border-radius: 4px;
}

.technique-info h3 {
    color: #333;
    margin-bottom: 1rem;
}

.technique-info p {
    color: #666;
    line-height: 1.6;
}

@media (max-width: 768px) {
    .intro-content {
        flex-direction: column;
    }
    
    .intro-content img {
        width: 100%;
    }
    
    .technique-item {
        flex-direction: column;
        text-align: center;
    }
    
    .technique-item img {
        width: 100%;
    }
}