/* 关于我们板块的响应式样式 */
.about-icons {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 20px;
    margin: 30px 0;
}

.about-feature-container {
    flex: 0 0 calc(25% - 20px);
    display: flex;
    justify-content: center;
}

.about-feature-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-align: center;
}

.about-feature-item img {
    width: 180px;
    height: auto;
    margin-bottom: 15px;
    transition: transform 0.3s ease;
}

.about-feature-desc {
    font-size: 20px;
    font-weight: bold;
    line-height: 1.6;
    color: #fff;
}

/* 移动端响应式布局 */
@media (max-width: 768px) {
    .responsive-text {
        font-size: 16px !important;
    }
    #about {
        min-height: 1200px !important;
    }
    
    .about-feature-container {
        flex: 0 0 calc(50% - 20px);
        margin-bottom: 20px;
    }
    
    .about-feature-item img {
        width: 90px !important;
        height: auto !important;
    }
    
    .about-feature-desc {
        font-size: 14px;
        font-weight: bold;
    }
    
    .about-text {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .about-icons {
        gap: 15px;
    }
    
    .about-feature-container {
        flex: 0 0 calc(50% - 15px);
    }
    
    .about-feature-item img {
        width: 50px;
    }
}