/*.container {
    width: 100%;
}*/
.mt30 {
    margin-top: 30px!important;
    margin-bottom: 30px!important;
}
.exam {
    text-align: center;
}
.layui-row:after, .layui-row:before {
    content: '';
    display: block;
    clear: both;
}
.exam .layui-col-md3 {
    padding: 5px 15px 5px 15px;
}
.exam .layui-col-md3:first-child {
    padding: 5px 15px 5px 0px;
}
.exam-item {
    position: relative;
    background: #fff;
    border-radius: 16px;
}
.exam-item img {
    border: 0;
    max-width: 100%;
}
.exam-item .item-title {
    position: absolute;
    top: 0;
    left: 0;
    z-index: 1;
    width: 100%;
    text-align: center;
}
.exam-item .item-title .item-title-text {
    font-size: 24px;
    font-weight: 600;
    padding-top: 20px;
    color: #FFF;
}
.exam .layui-col-md3 .p-item-pic {
    width: 120px;
    height: 120px;
    line-height: 120px;
    background: #f1f7ff;
    border: 0;
    border-radius: 50%;
    margin: 0 auto;
    ransition: all .3s;
    margin-top: 20px;
}
.exam-item img {
    border: 0;
    max-width: 100%;
}
.exam .layui-col-md3 .p-item-pic img {
    transition: all .3s;
}

.exam-item .des {
    padding: 20px;
}
.exam .layui-col-md3:hover .p-item-pic img {
    transform: rotateY(180deg);
}
.layui-btn {
    background-color: #1890ff;
}
.exam .layui-col-md3 .des {
    margin-top: 10px;
    font-size: 14px;
    color: #666;
}
.exam .layui-col-md3 .layui-btn {
    margin-top: 20px;
    width: 150px;
    margin-bottom: 20px;
}


@media screen and (min-width: 1200px) {
    .layui-container {
        width: 970px;
    }
}