/* 页面通用样式 */
.page-banner {
    position: relative;
    width: 100%;
    height: 300px;
    margin-top: 70px;
    overflow: hidden;
    background: url('../images/about-banner.jpg') no-repeat center center/cover;
}

.page-banner img {
    display: none; /* 隐藏原有的图片元素 */
}

.banner-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to bottom, rgba(0,0,0,0.7) 0%, rgba(0,0,0,0.3) 100%);
    z-index: 1;
}

.page-title {
    position: relative;
    z-index: 2;
    width: 100%;
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
}

.page-title h1 {
    position: relative;
    z-index: 1;
    color: #fff;
    font-size: 42px;
    letter-spacing: 3px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    margin-bottom: 15px;
}

.page-title h1::after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    width: 80px;
    height: 3px;
    background-color: #007bff;
    transform: translateX(-50%);
}

/* 关于我们页面特定样式 */
.about-intro,
.about-culture,
.about-advantages {
    padding: 60px 0;
}

.about-intro h2,
.about-culture h2,
.about-advantages h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 32px;
    position: relative;
}

.about-intro h2:after,
.about-culture h2:after,
.about-advantages h2:after {
    content: '';
    position: absolute;
    bottom: -15px;
    left: 50%;
    width: 60px;
    height: 3px;
    background-color: #007bff;
    transform: translateX(-50%);
}

.about-content {
    display: flex;
    gap: 40px;
    align-items: flex-start;
}

.about-text {
    flex: 3;
}

.about-text p {
    margin-bottom: 20px;
    font-size: 16px;
    line-height: 1.8;
}

/* 优化公司介绍图片容器为600×800像素比例 */
.about-image {
    flex: 2;
    max-width: 600px;
    width: 100%;
    height: 800px;
    min-height: 400px;
    overflow: hidden;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    justify-content: center;
}

.about-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    display: block;
}

.about-image:hover img {
    transform: scale(1.03);
}

/* 企业文化 */
.about-culture {
    background-color: #f9f9f9;
}

.culture-list {
    display: flex;
    justify-content: space-between;
    gap: 30px;
}

.culture-item {
    flex: 1;
    text-align: center;
    background-color: #fff;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
    transition: transform 0.3s;
}

.culture-item:hover {
    transform: translateY(-10px);
}

.culture-icon {
    width: 80px;
    height: 80px;
    margin: 0 auto 20px;
}

.culture-icon img {
    width: 100%;
    height: 100%;
}

.culture-item h3 {
    margin-bottom: 15px;
    color: #333;
}

.culture-item p {
    color: #666;
    line-height: 1.6;
}

/* 企业优势 */
.advantages-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr) !important;
    grid-auto-rows: 1fr;
    gap: 30px;
}

.advantage-item {
    background-color: #f9f9f9;
    padding: 30px;
    border-radius: 5px;
    transition: all 0.3s ease;
    border-left: 4px solid #007bff;
}

.advantage-item:hover {
    background-color: #007bff;
}

.advantage-item:hover h3,
.advantage-item:hover p {
    color: #fff;
}

.advantage-item h3 {
    margin-bottom: 15px;
    color: #333;
    transition: color 0.3s;
}

.advantage-item p {
    color: #666;
    transition: color 0.3s;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-banner {
        height: 200px;
    }
    
    .page-title h1 {
        font-size: 28px;
    }
    
    .about-content {
        flex-direction: column;
    }
    
    .culture-list {
        flex-direction: column;
    }
    
    .advantages-list {
        grid-template-columns: repeat(2, 1fr);
        gap: 16px;
    }
    
    .about-image {
        max-width: 100%;
        height: 200px;
    }
}

@media (max-width: 700px) {
    .about-image {
        max-width: 90vw;
        height: 60vw;
        min-height: 200px;
    }
}