*{
    /* 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: linear-gradient(200deg,#d299c2,#fef9d7);
}


body.yourname{
    min-height: 100vh;
    
    background-image: linear-gradient(to top, #0c3483 0%, #a2b6df 100%, #6b8cce 100%, #a2b6df 100%);
}

body.marchlion{
    min-height: 100vh;
    
    background-image: linear-gradient(to right, #f83600 0%, #f9d423 100%);
}


body.april{
    min-height: 100vh;
    
    background-image: linear-gradient(to right, #92fe9d 0%, #00c9ff 100%);
}



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;
}


.box1{
    margin: 20px 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    margin-top: 100px;
   
    
   
}


.section{
    margin-top: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    /* 开启3D效果 */
    transform-style: preserve-3d;
    
    
    
    
}


.card{
    /* 相对定位 */
    position: relative;
    width: 320px;
    height: 320px;
    margin-top: 100px;
    margin-left: 20px;
    margin-bottom: 100px;
    /* 开启3D效果 */
    transform-style: preserve-3d;
    /* 视距 */
    perspective: 1000px;
}

.card .box{
    /* 绝对定位 */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    /* 设置过渡 */
    transition: 1s ease;
}
.card .box .img-box{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.card .box .img-box img{
    width: 100%;
    height: 100%;
    /* 保持原有的尺寸比例，裁切长边 */
    object-fit: cover;
}
.card .box .con-box{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    /* 隐藏旋转div元素的背面 */
    backface-visibility: hidden;
    transform-style: preserve-3d;
    /* 默认沿Y轴旋转180度（在背面） */
    transform: rotateY(180deg);
}
.card .box .con-box div{
    color: #fff;
    padding: 20px;
    /* 渐变背景 */
    background: linear-gradient(30deg,#96fbc4,#f9f586);
    /* 默认沿Z轴偏移100px */
    transform: translateZ(100px);
}
.card .box .con-box div h2{
    font-size: 20px;
    letter-spacing: 2px;
    font-family: '宋体';
    color: #000;
}
.card .box .con-box div p{
    font-size: 15px;
    text-align: justify;
    margin-top: 5px;
    font-family: '宋体';
    color: #000;
}
.card:hover .box{
    /* 鼠标移入，盒子旋转180度 */
    transform: rotateY(180deg);
}



.card1{
    /* 相对定位 */
    position: relative;
    width: 500px;
    height: 400px;
    margin-top: 100px;
    margin-left: 20px;
    /* 开启3D效果 */
    transform-style: preserve-3d;
    /* 视距 */
    perspective: 1000px;
    margin-bottom: 100px;
}

.card1 .box{
    /* 绝对定位 */
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    transform-style: preserve-3d;
    /* 设置过渡 */
    transition: 1s ease;
}
.card1 .box .img-box{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}
.card1 .box .img-box img{
    width: 100%;
    height: 100%;
    /* 保持原有的尺寸比例，裁切长边 */
    object-fit: cover;
}
.card1 .box .con-box{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
    /* 隐藏旋转div元素的背面 */
    backface-visibility: hidden;
    transform-style: preserve-3d;
    /* 默认沿Y轴旋转180度（在背面） */
    transform: rotateY(180deg);
}
.card1 .box .con-box div{
    color: #fff;
    padding: 20px;
    /* 渐变背景 */
    background: linear-gradient(30deg,#96fbc4,#f9f586);
    /* 默认沿Z轴偏移100px */
    transform: translateZ(100px);
}
.card1 .box .con-box div h2{
    font-size: 20px;
    letter-spacing: 2px;
    font-family: '宋体';
    color: #000;
}
.card1 .box .con-box div p{
    font-size: 15px;
    text-align: justify;
    margin-top: 5px;
    font-family: '宋体';
    color: #000;
    
}
.card1:hover .box{
    /* 鼠标移入，盒子旋转180度 */
    transform: rotateY(180deg);
}
.box{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-wrap: wrap;
    width: 60%;
    padding: 20px 20px;
    background:linear-gradient(200deg,#fff1eb,#deb1d8);
    margin: auto;
    margin-bottom: 50px;
    margin-top: 50px;
    border-radius: 20px;

    
}
p1{
    font-family: '宋体';
    font-weight: 300;
    line-height: 30px;
    font-size: large;
    animation-duration: 3s;
    animation-name: slidein; 

}
@keyframes slidein{
    from {
        margin-left: 100%;
        width: 300%;
    }
    to {
        margin-left: 0%;
        width: 50%;
    }
    75% {
        font-size: x-large;
        margin-left: 25%;
        width: 150%;
    }
}
.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: 0%;
        width: 50%;
       
    }
    75%{ 
        width: 150%;
        margin-left: 25%;
        
    }
}


.block-content{
	position: relative;
    height: 200px;
	background-color:#000;
}


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

.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';
}

p.line {
    background-color: white;
    height: 3px;
    margin: 0 25px;
    position: relative;
    top: -5%;
    width: 53%;
}

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

.block-content{
	position: relative;
    height: 580px;
	background-color:#000;
    
}
.info-content {
    background-color: #497271;
    margin: 30vh 15vh;
    /*display: none*/
    justify-content: space-around;
    align-items: center;
	position:absolute;
    display: flex;
    justify-content: center;
    
    flex-wrap: wrap;
}





.swipe{
    /* 相对定位 */
    position: relative;
    width: 100%;
    /* 溢出隐藏 */
    overflow: hidden;
    margin: auto;
    margin-top: 100px;
    
}
/* 模糊背景 */
.swipe .bg{
    /* 绝对定位 */
    position: absolute;
    width: 500%;
    height: 100%;
    z-index: 1;
    background-image: url("../images/cloud_music/1.jpg");
    background-size: 6000px;
    background-position: center center;
    /* 模糊滤镜 */
    filter: blur(140px);
}
/* 图片区域 */
.swipe section{
    position: relative;
    z-index: 2;
    width: 100%;
    max-width: 1500px;
    height: 700px;
    /* 居中 */
    margin: 0 auto;
}
/* 图片盒子 */
.swipe .img-box{
    width: 100%;
    height: 100%;
}
/* 图片 */
.swipe .img-box .img{
    width: 100%;
    height: 100%;
    /* 保持原有尺寸比例, 裁切长边 */
    object-fit: cover;
}
/* 指示器 */
.swipe .select{
    position: absolute;
    width: 100%;
    height: 30px;
    line-height: 30px;
    bottom: 20px;
    text-align: center;
}
.swipe .select .item{
    display: inline-block;
    width: 10px;
    height: 10px;
    background-color: #fff;
    border-radius: 50%;
    margin: 0 10px;
    /* 阴影 */
    box-shadow: 0 2px 5px rgba(0,0,0,0.4);
}
/* 鼠标移入指示器 */
.swipe .select .item:hover{
    background-color: #ff4400;
}
/* 指示器选中状态 */
.swipe .select .item.checked{
    background-color: #ff4400;
}
/* 两侧翻页按钮 */
.swipe .btn{
    width: 40px;
    height: 100px;
    color: #fff;
    /* 绝对定位 垂直居中 */
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    font-size: 50px;
    background-color: rgba(0,0,0,0.05);
    /* 弹性布局 居中 */
    display: flex;
    justify-content: center;
    align-items: center;
    z-index: 3;
    /* 鼠标移入光标变小手 */
    cursor: pointer;
    /* 动画过渡 */
    transition: 0.3s;
}
.swipe .btn.left{
    left: -60px;
}
.swipe .btn.right{
    right: -60px;
}
.swipe .btn:hover{
    background-color: rgba(0,0,0,0.2);
}

/* 响应式 屏幕尺寸小于1620px时以下代码生效(让两个按钮移动到图片主体内部) */
@media screen and (max-width:1620px){
    .swipe .btn.left{
        left: 20px;
    }
    .swipe .btn.right{
        right: 20px;
    }
}

p {

    text-indent: 2em;
    
    }