/* 大屏幕 */
@media screen and (min-width:1100px) {
    .content-nav {
        background-color:skyblue;
    }





    /* 大屏幕中间内容区域 */
    .page-content {
        display: flex;
        height: calc(100vh - 80px);

        justify-content: center; /* 水平居中 */
        align-items: flex-start; /* 垂直方向上的起点对齐，但我们需要调整margin-top */
        flex-direction: column; /* 设置为列方向布局，以便我们可以使用margin-top */
    }




    .centered-div {
        position: absolute;
        left: 50%;
        top: 15vh;
        transform: translateX(-50%);
        background-color:skyblue;
        border: 1px solid #FF9D2E;
        width: 65vw;
        height: 150px;
        align-items: center;
        letter-spacing: 3px; 
        text-align: center;
        border-radius: 8px;

        display: flex;
        flex-direction: column;
        justify-content: space-around; /* 垂直方向上均匀分布 */


      }
      
    .navtitle {
        font-size: 60px;
        color: white;
    }

    .navcontent {
        font-size: 26px;
        color: white;
    }

    .page-content a {
        color: inherit; 
        text-decoration: none; 
      }










    .content-nav {
        
        width:100vw;
        height: 300px;   
        margin: auto;
        display: flex;
        justify-content: space-evenly;
        align-items: center;

        position: absolute;
        top: 40vh; /* 垂直距离顶部 100px */


    }




    .content-nav .item {
        width: 14vw;
        

        height: 200px;
    
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: space-evenly;
        transition: 0.2s linear;
        cursor: pointer;
    }
    .content-nav .item:hover {
        box-shadow: 0px 0px 20px black ;
    }
    .content-nav .item span {
        font-size: 20px;
        color: white;
    }
    .content-nav .item:nth-child(1) {
        background-color: #595CA8;;
    }
    .content-nav a .item:nth-child(2) {
        all: unset;
        background-color: #FF9D2E;
    }
    .content-nav .item:nth-child(3) {
        background-color:  #01A6DE;
    }

    .content-nav .item:nth-child(4) {
        background-color:blue;
    }

    .content-nav .item:nth-child(5) {
        background-color: #1DC128;
    }

    .content-nav .item:nth-child(6) {
        background-color:brown;
    }



        
    span.blink-gradient {
        /* font-size: 24px; */
        animation: blink-gradient-animation 2s infinite;
    }

    @keyframes blink-gradient-animation {
        0%, 100% {
            opacity: 1;
            color:white; /* 起始和结束时的颜色 */
        }
        50% {
            opacity: 1; /* 半透明 */
            color:red; /* 中间颜色变化 */
        }
        /* 可以添加更多关键帧以实现更复杂的渐变效果 */
    }



   
}