/* 关于我们页面样式 */
.about-banner {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.banner-wrapper {
    position: relative;
    width: 100%;
    height: 100vh;
}

.about-banner img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.about-banner .banner-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.45); /* 黑色半透明 */
    z-index: 1;
}

.about-banner .banner-content {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    text-align: center;
    color: #fff;
    width: 100%;
    padding: 0 20px;
    z-index: 2;
}

.about-banner .banner-title {
    font-size: 3.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.about-banner .banner-subtitle {
    font-size: 1.8rem;
    margin-bottom: 1rem;
}

.about-banner .banner-description {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

/* 优势部分样式 */
.advantages-section {
    width: 100%;
    min-height: 100vh;
    background: linear-gradient(135deg, #1a1c28 0%, #33618c 50%, #1a1c28 100%);
    padding: 100px 0;
    color: #fff;
}

.advantages-content {
    padding: 0 20px;
}

.advantages-title {
    font-size: 2.5rem;
    font-weight: bold;
    margin-bottom: 1rem;
}

.advantages-subtitle {
    font-size: 1.4rem;
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.6;
}

.advantage-item {
    position: relative;
  width: 100%;
  padding-bottom: 100%;
  border-radius: 15px;
  overflow: hidden;
}

.advantage-item img {
   position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
    
}

.advantage-item:hover img {
    transform: scale(1.05);
}

.advantage-mask {
    position: absolute;
    bottom: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.4));
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.advantage-item:hover .advantage-mask {
    height: 90px;
    background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.5));
}

.advantage-text {
    padding: 0 20px;
    width: 100%;
    text-align: center;
}
.advantage-text a {
    text-decoration: none;
}
.advantage-text h3 {
    font-size: 1.4rem;
    font-weight: bold;
    color: #fff;
    margin: 0;
    text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
}

/* 流程与文化部分样式 */
.culture-section {
    position: relative;
    width: 100%;
    min-height: 100vh;
    overflow: hidden;
}

.culture-wrapper {
    position: relative;
    width: 100%;
    min-height: 100vh;
}

.culture-wrapper img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    position: absolute;
    top: 0;
    left: 0;
}

.culture-mask {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
}

/* 流程图标样式 */
.process-icons {
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-wrap: wrap;
    padding: 80px 20px;
    z-index: 2;
}

.process-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    color: #fff;
    text-align: center;
    padding: 0 15px;
}

.process-item i {
    font-size: 3.5rem;
    margin-bottom: 10px;
}

.process-item span {
    font-size: 1rem;
    white-space: nowrap;
}

.process-arrow {
    color: #fff;
    padding: 0 10px;
}

.process-arrow i {
    font-size: 1.5rem;
}

/* 文化内容样式 */
.culture-content {
    position: relative;
    z-index: 2;
    padding: 0 20px 80px;
}

.culture-title {
    font-size: 2.5rem;
    font-weight: bold;
    color: #fff;
    margin-bottom: 40px;
    text-align: center;
}

.culture-text {
    color: #fff;
    text-align: left;
    max-width: 800px;
    margin: 0 auto;
}

.culture-text p {
    font-size: 1.4rem;
    line-height: 1.6;
    margin-bottom: 80px;
}

.culture-text p:last-child {
    margin-bottom: 0;
}

.culture-text strong {
    font-weight: bold;
}

@media (max-width: 768px) {
    .about-banner .banner-title {
        font-size: 2.5rem;
    }
    .about-banner .banner-subtitle {
        font-size: 1.4rem;
    }
    .about-banner .banner-description {
        font-size: 1rem;
    }
    
    .advantages-title {
        font-size: 2rem;
    }
    
    .advantages-subtitle {
        font-size: 1.2rem;
    }
    
    .advantage-text h3 {
        font-size: 1.5rem;
    }
    
    .advantage-mask {
        height: 60px;
    }
    
    .advantage-item:hover .advantage-mask {
        height: 70px;
    }

    /* 移动端流程图标样式 */
    .process-icons {
        padding: 40px 10px;
    }

    .process-item {
        padding: 0 10px;
    }

    .process-item i {
        font-size: 2rem;
    }

    .process-item span {
        font-size: 0.9rem;
    }

    .process-arrow {
        padding: 0 5px;
    }

    .process-arrow i {
        font-size: 1.2rem;
    }

    /* 移动端文化内容样式 */
    .culture-content {
        padding: 0 20px 40px;
    }

    .culture-title {
        font-size: 2rem;
        margin-bottom: 30px;
    }

    .culture-text p {
        font-size: 1.2rem;
        margin-bottom: 40px;
    }
}