/* 关于我们页面样式 */
.aboutus-section {
    padding: 60px 20px;
    max-width: 1200px;
    margin: 0 auto;
}

.aboutus-container {
    width: 100%;
}

.aboutus-title {
    text-align: center;
    font-size: 34px;
    margin-bottom: 10px;
    color: #2c3e50;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.aboutus-sub-title {
    text-align: center;
    font-size: 22px;
    color: #7f8c8d;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 15px;
    letter-spacing: 1px;
}


.aboutus-sub-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 50px;
    height: 3px;
    background-color: #3498db;
    border-radius: 2px;
}

.aboutus-cards {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 30px;
}

.aboutus-card {
    flex: 1 1 300px;
    background-color: #fff;
    border-radius: 14px;
    box-shadow: 0 6px 18px rgba(0, 0, 0, 0.08);
    padding: 32px;
    transition: all 0.3s ease;
    border: 1px solid rgba(0, 0, 0, 0.03);
}

.aboutus-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.12);
    border-color: rgba(52, 152, 219, 0.1);
}

.card-title {
    font-size: 20px;
    margin-bottom: 20px;
    color: #3498db;
    text-align: left;
    position: relative;
    padding-bottom: 15px;
    font-weight: 300;
    letter-spacing: 0.5px;
}

.card-content {
    color: #5d6d7e;
    line-height: 1.7;
    font-weight: 400;
}

.card-content p {
    margin-bottom: 15px;
}

.card-content p:last-child {
    margin-bottom: 0;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .aboutus-cards {
        flex-direction: column;
    }
    
    .aboutus-card {
        margin-bottom: 30px;
    }
}

@media (max-width: 768px) {
    .aboutus-section {
        padding: 40px 15px;
    }
    
    .aboutus-title {
        font-size: 28px;
    }
    
    .aboutus-sub-title {
        font-size: 16px;
        margin-bottom: 30px;
    }
    
    .card-title {
        font-size: 20px;
    }
}

@media (max-width: 480px) {
    .aboutus-section {
        padding: 30px 10px;
    }
    
    .aboutus-title {
        font-size: 24px;
    }
    
    .aboutus-card {
        padding: 20px;
    }
}