/* 响应式时间轴样式 */
.section-timeline {
    position: relative;
    width: 100%;
}

/* 电脑端显示 */
.desktop-timeline {
    display: block;
}

/* 移动端显示 */
.mobile-timeline {
    display: none;
    text-align: center;
    padding: 20px 0;
}

.mobile-timeline img {
    max-width: 100%;
    height: auto;
}

/* 媒体查询 - 移动端 */
@media screen and (max-width: 768px) {
    .desktop-timeline {
        display: none !important;
    }
    
    .mobile-timeline {
        display: block !important;
    }
}

/* 媒体查询 - 平板端 */
@media screen and (max-width: 1024px) and (min-width: 769px) {
    .desktop-timeline {
        display: block;
    }
    
    .mobile-timeline {
        display: none;
    }
}

/* 媒体查询 - 电脑端 */
@media screen and (min-width: 1025px) {
    .desktop-timeline {
        display: block;
    }
    
    .mobile-timeline {
        display: none;
    }
}