/* 半透明盒子 */

.include,
.content,
.banner,
.exhibits,
.foot {
    background-color: rgb(250,250,250,0.7);
}
.box {
    height: 730px;
    text-align: center;
}
.box img {
    vertical-align: middle;
}
.suojin {
    text-indent: 2em;
}

.banner {
    width: 1280px;
    height: 3900px;
    margin: auto;
}
.banner .left {
    float: left;
    width: 640px;
    height: 500px;
    padding-left: 15px;
    padding-right: 15px;
    padding-top: 120px;
}
.left img {
    width: 519px;
    height: 460px;
}

.banner .left_content {
    float: left;
    width: 640px;
    height: 500px;
    padding-left: 15px;
    padding-right: 200px;
    padding-top: 300px;
}
.banner .right_picture {
    float: right;
    width: 640px;
    height: 500px;
    padding-left: 15px;
    padding-right: 15px;
    padding-top: 130px;
}
.right_picture img {
    width: 519px;
    height: 460px;
    
}
.right_picture audio {
     width: 519px;
    height: 460px;
}
.banner .right {
    float: right;
    width: 640px;
    height: 500px;
    padding-left: 15px;
    padding-right: 200px;
    padding-top: 300px;
}

.right li{
    float: left;
    width: 200px;
    margin-right: 4px;
    
}
.right li:first-child {
    margin-left: 20px;
}
.right li img {
    width: 200px;
    height: 200px;
    transition: all .4s;
}
/* 鼠标悬停在图片上时将图片放大1.5倍 */
.right img:hover {
   transform: scale(1.5);
}
.ti {
    text-align: center;
}
.banner .blast {
    padding-left: 15px;
    padding-right: 200px;
    padding-top: 300px;
}
.banner .blast {
    float:inline-start;
    width: 1280px;
    height: 700px;
    padding-left: 15px;
    padding-right: 15px;
    padding-top: 120px;

}