/* 关于我们页面 */
.about-page {  margin: 0 auto; }
.about-page h1 { 
    font-size: 2.5rem; 
    color: #2c3e50; 
    margin-bottom: 1.5rem;
    padding-bottom: 1rem;
    border-bottom: 3px solid #667eea;
}
.about-page h2 { 
    font-size: 1.5rem; 
    color: #34495e; 
    margin: 2rem 0 1rem;
    padding-left: 1rem;
    border-left: 4px solid #667eea;
}
.about-page p { 
    color: #555; 
    line-height: 1.8;
    margin-bottom: 1rem;
}
.about-page .contact-info {
    background: #f8f9fa;
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}
.about-page .contact-info p {
    margin-bottom: 0.5rem;
}
.about-page .demo-box {
    background: #fff3cd;
    border-left: 4px solid #ffc107;
    padding: 1rem 1.5rem;
    margin: 1rem 0;
    border-radius: 4px;
}
.featured-products {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-top: 1.5rem;
}
.featured-product {
    background: white;
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    padding: 1.5rem;
    transition: all 0.2s;
}
.featured-product:hover {
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    transform: translateY(-2px);
}
.featured-product h3 {
    font-size: 1.1rem;
    margin-bottom: 0.8rem;
}
.featured-product h3 a {
    color: #2c3e50;
    text-decoration: none;
}
.featured-product h3 a:hover {
    color: #667eea;
}
.featured-product p {
    font-size: 0.9rem;
    color: #666;
    margin-bottom: 0.5rem;
}

/* 响应式 */
@media (max-width: 768px) {
    .about-page h1 { font-size: 2rem; }
    .about-page h2 { font-size: 1.3rem; }
    .featured-products { grid-template-columns: repeat(auto-fill, minmax(200px, 1fr)); gap: 1rem; }
}

@media (max-width: 480px) {
    .about-page h1 { font-size: 1.6rem; }
    .about-page h2 { font-size: 1.2rem; }
    .featured-products { grid-template-columns: 1fr; }
}