.middle-box{
    /*border-radius: 5px;*/
    /*background: rgba(215, 229, 241, 0.2);*/
    padding: 20px;
}

.middle-box:hover{
    /*background: rgba(215, 229, 241, 0.25);*/
}
.flex {
    display: flex;
}
.content {
    /*padding: 20px;*/
    background: #f5f5f5;
}
.content .content-inner {
    /*border-radius: 10px;*/
    background: #fff;
}
.content .item {
    width: 50%;
    height: 100vh;
    position: relative;
}
.content .item-left {
    background: #3e8af8;
    /*display: flex;*/
    /*flex-direction: column;*/
    /*align-items: center;*/
    /*padding: 100px 0;*/
    /*border-radius: 10px 0 0 10px;*/
}
.content .item-left .left-inner {
    height: 400px;
    margin-top: calc(50% - 220px);
}

.content .item-right .right-inner {
    height: 460px;
    margin-top: calc(50% - 240px);
}
.item-right .p-asl {
    position: absolute;
    width: 100%;
    bottom: 0;
}
.content .item-right .form-control {
    height: 36px;
}
.item-left .top_logo .top-text span {
    color: #fff;
    letter-spacing: 10px;
}
.item-left .top_logo .top-text {
    margin-top: 20px;
    font-size: 13px;
}
.logo {
    margin: 0 auto;
    width: 100%;
    height: 100%;
    /*background-color: #000;*/
    position: fixed;
}

.logo canvas {
    width: 100%;
    height: 100%; /*默认全屏显示 可自己设置高度640px*/;
    display: inline-block;
    vertical-align: baseline;
    position : fixed;
    top: 0;
    z-index: -10;
}

.logo .canvaszz {
    /*用来解决视频右键菜单，用于视频上面的遮罩层*/
    width: 100%;
    /*background: url(../img/loginbg.jpg) no-repeat fixed;*/
    /*background-size: cover;*/
    /*background-position: bottom right;*/
    height: 100%;
    position: absolute;
    z-index: -20;
    top: 0;
    /*filter: alpha(opacity=90);*/
    /*-moz-opacity: 0.9;*/
    /*-khtml-opacity: 0.9;*/
    /*opacity: 0.9;*/
}

/*.logo .content {*/
    /*position: absolute;*/
    /*width: 320px;*/
    /*/!*height: 424px;*!/*/
    /*padding: 10px;*/
    /*top: 50%;*/
    /*margin-top: -226px;*/
    /*left: 50%;*/
    /*margin-left: -160px;*/
    /*border: 1px solid #fff;*/
    /*border-radius: 10px;*/
    /*z-index: 30;*/
/*}*/

.logo .topcn {
    margin-top: 10px;
}

.logo .nav .gv {
    background: linear-gradient(to right,#55bafe, #3072ff);
    width: 220px;
    height: 40px;
    border-radius: 20px;
    margin: 10px 0;
    border: none;
    text-align: center; /*水平居中*/
    cursor: pointer;
    font-size: 16px;
    /*color: #066197;*/
}

.logo .nav .gv:focus {
    outline: none;
}


/*.logo .nav .gv:hover {*/
/*background: url(../img/nav_gv.png) no-repeat 0 -43px;*/
/*-webkit-box-shadow: 0 0 6px #1d7eb8;*/
/*transition-duration: 0.5s;*/
/*}*/