body{
    position: relative;
    margin: 0;
    width: 100vw;
    height: 100vh;
    color: #89867e;
    background: pink;
    background-image: url('../img/index_bg.jpg');
    background-size: cover;
    font-family: 'Lato', Calibri, Arial, sans-serif;
    overflow: hidden; /* 确保伪元素不会溢出 */
}

body::before {
    content: "";
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(255, 192, 203, 0.7); /* 黑色半透明背景 */
    opacity: 0.7; /* 半透明效果 */
    z-index: 1; /* 确保伪元素在内容下方 */
}
body #index-content{
    width: 100%;
    height: 100%;
    position: relative;
    z-index: 2;
}

#content-button{
    width: 100%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
#content-button a{
    display: block;
    margin-top: 20px;
    width: 150px;
    text-align: center;
    border-radius: 20px;
    background: #FFFFFF;
    opacity: 0.7;
    padding: 10px 20px;
    font-size: 24px;
    line-height: 24px;
    color: #666;
    font-weight: bold;
}
#content-button a:hover{
    opacity: 1;
}