a {
    text-decoration: none;
}

.version_check {
    width: 100%;
    height: 100%;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    background: rgba(0, 51, 89, .6);
    z-index: 100000;
    display: none;
}

.version_check .container {
    width: 790px;
    height: 427px;
    background: #FFFFFF;
    border-radius: 4px;
    position: fixed;
    top: 0;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 60px;
    margin: auto;
    box-shadow: 0 2px 30px rgba(0, 40, 71, 0.2);
}

.version_check .close {
    position: absolute;
    top: 30px;
    right: 30px;
    display: block;
    height: 20px;
    width: 20px;
    cursor: pointer;
}

.version_check .t {
    margin-bottom: 35px;
}

.version_check .t .title {
    color: #1A2736;
    font-size: 20px;
    line-height: 20px;
    margin-bottom: 10px;
}

.version_check .t .content {
    color: #5E6978;
    font-size: 14px;
    line-height: 20px;
}

.version_check .b {
    font-size: 0;
}

.version_check .b .item {
    width: 320px;
    border-radius: 4px;
    background-color: #EFF9FF;
    display: inline-block;
    padding: 30px;
}

.version_check .b .item:nth-of-type(1) {
    margin-right: 20px;
}

.version_check .item i {
    display: block;
    width: 60px;
    height: 60px;
    margin: auto;
    margin-bottom: 20px;
}

.version_check .item p {
    color: #1A2736;
    font-size: 16px;
    line-height: 22px;
    margin: auto;
    margin-bottom: 20px;
    text-align: center;
}

.version_check .item a {
    display: block;
    width: 160px;
    height: 40px;
    background-color: #007FDF;
    border-radius: 2px;
    margin: auto;
    text-align: center;
}

.version_check .item a span {
    color: white;
    font-size: 16px;
    line-height: 40px;
}

.version_check .item i img {
    height: 100%;
    width: 100%;
}