*{
    /* 初始化 */
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    /* 100%窗口高度 */
    min-height: 100vh;   
    /* 渐变背景 */
    background-color: #000;
}
.box2{
    margin: 50px 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    animation-duration: 3s;
    animation-name: moving;
}
@keyframes moving{
    from {
        margin-left: 100%;
        width: 300%;
    }
    to {
        margin-left: 20%;
        width: 50%;
    }
    75%{ 
        width: 150%;
        margin-left: 25%;
        
    }
}

header{
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    width: 100%;
    z-index: 10;
    padding: 20px 100px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-between;
    align-items: center;
    color: #fff;
    overflow: hidden;
    border-bottom: double white 1px;
    /*border-radius: 30px;*/
    background-color: rgba(0, 0, 0, 0.5);


}
.nav-header{
    display: flex;
    flex-direction:row;
}
.navbar-brand{
    font-family: '宋体';
    font-size: 30px;
    font-weight: bold;
    height: 30px;
    color: #fff;
}

.font-special{
    font-family: '宋体'，'新宋体'，sans-serif;
}
.active{
    background: #497271
}
header ul {
    list-style: none;
    display: flex;
    justify-content: center;
    align-items: center;
}
header ul li{
    font-weight: 400px;
    margin-left: 15px;
    transition: all .5s linear;
    padding: 5px 10px;
    border-radius: 20px;
}
header ul li:hover{
    background: #497271;
    color: #2b1055;
}
a:link,a:visited{
    color: #fff;
    text-decoration: none;
}
.block-content{
	position: relative;
    height: 600px;
	background-color:rgb(0, 0, 0);
    padding: auto;    
}
.block-content1{
	position: relative;
    height: 400px;
	background-color:rgb(0, 0, 0);
    padding: auto;    
}

.block-content1 p {
    margin: 25px 25px 25px 25px;
}
.block-content p {
    margin: 25px 25px 25px 25px;
}


.info-content {
    background-color: #497271;
    height: fit-content;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    width: 80%;
    margin: auto;
    
    
   
    
}

.text_communist {
    color: white;
    font-size: 40px;
    margin-top: -20px;
    position: relative;
    top: -5px;
	z-index:99;
    font-family: '宋体';
}

.text_content {
    color:#fff;
    font-size:large;
    line-height: 2;
	z-index:99;
    font-family: '宋体';
}



img.info-photo {
  /*  width: ;*/
   /* height: 90vh;*/
    margin-left:1000px;
	margin-top:160px;
	position:absolute;
	z-index:6;
    
}



.box3 {
    background-color: #497271;
    height: fit-content;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    width: fit-content;
    border-radius: 50px;
    margin: auto;
    
    
    
    
}


.container{
    /* 相对定位 */
    position: relative;
    /* 弹性布局 */
    display: flex;
    justify-content: center;
    align-items: center;
    /* 允许换行 */
    flex-wrap: wrap;
    padding: 30px;
    background-color: #000;
}
.container .card{
    position: relative;
    max-width: 500px;
    height: 215px;
    background-color: #fff;
    margin: 30px 15px;
    padding: 20px 15px;
    border-radius: 5px;
    /* 阴影 */
    box-shadow: 0 5px 200px rgba(0,0,0,0.5);
    /* 动画过渡 */
    transition: 0.3s ease-in-out;
}
.container .card:hover{
    height: 600px;
}
.container .card .img-box{
    position: relative;
    width: 480px;
    height: 260px;
    border-radius: 5px;
    /* 溢出隐藏 */
    overflow: hidden;
    top: -60px;
    left: 20px;
    /* 阴影 */
    box-shadow: 0 5px 20px rgba(0,0,0,0.2);
    z-index: 1;
}
.container .card .img-box img{
    width: 100%;
}
.container .card .text-box{
    position: relative;
    margin-top: -140px;
    padding: 10px 15px;
    text-align: center;

    color: #111;
    /* 设置元素不可见 */
    visibility: hidden;
    /* 不透明度 */
    opacity: 0;
    transition: 0.3s ease-in-out;
}

.container .card .text-box p{
    text-align: left;
    line-height: 25px;
    margin-top: 10px;
    font-size: 15px;
    color: #555;
}

.container .card:hover .text-box{
    /* 鼠标移入，设置元素可见 */
    visibility: visible;
    opacity: 1;
    margin-top: -40px;
    /* 动画延迟0.2秒 */
    transition-delay: 0.2s;
}