body{
    width: 80%;
    margin: auto;
}
.layui-tab-content{

    height: auto!important;
    padding: 0px!important;
}
.layui-inline{
    width: calc(25% - 3px);
    height: 105px;
    float: left;
    margin-bottom: 0px!important;
    margin-right: 0px!important;
    border-top: 3px solid #ffffff;
    border-left: 3px solid #ffffff;
}
.layui-tab-brief>.layui-tab-more li.layui-this:after, .layui-tab-brief>.layui-tab-title .layui-this:after {
    border-bottom: 2px solid #d60404 !important;
}
.layui-tab-brief>.layui-tab-title .layui-this {
    color: #000000 !important;
}
.layui-tab-title{
    border-bottom-width: 0px;
    border-bottom-style: solid;
}
.c-preview {
    background: #000;
    background: -moz-linear-gradient(-45deg, #000000 0%, #000000 25%, #AE232E 50%, #53A0FD 75%, #B4EC51 100%);
    background: -webkit-linear-gradient(-45deg, #000000 0%, #000000 25%, #AE232E 50%, #53A0FD 75%, #B4EC51 100%);
    /* Chrome10-25,Safari5.1-6 */
    /*background: linear-gradient(135deg, #000000 0%, #000000 25%, #1e539e 50%, #ff3083 75%, #7800a8 100%);*/
    background: linear-gradient(135deg, #000000 0%, #000000 25%, #AE232E 50%, #53A0FD 75%, #B4EC51 100%);
    /* W3C, IE10+, FF16+, Chrome26+, Opera12+, Safari7+ */
    background-size: 400% 400%;
    background-repeat: no-repeat;
    display: flex;
    width: 100%;
    height: 105px;
    max-width: 100vw;
    max-height: 100vh;
    /*justify-content: center;*/
    align-items: center;
    color: #fff;
    position: relative;
    cursor: pointer;
    transition: .5s all;
    margin:auto;
    opacity: 0.2;
}
.c-preview__img {
    position: absolute;
    left: 0;
    top: 0;

    background-size: cover;
    width: 100%;
    height: 100%;
    z-index: 1;
    opacity: .5;
    mix-blend-mode: screen;
}
.c-preview__title {
    position:absolute;
    z-index: 10;
    text-transform: uppercase;
    letter-spacing: .05em;
    left: 20px;
    font-size: 15px;
    top: 50%;
    color: #ffffff;
    transform: translate(0%,-50%);
}
.c-preview:hover {
    background-position: 100% 100%;
}
a:link {
    color: #ffffff; /*连接默认的颜色变化*/
}
a:visited {
    color: #ffffff; /*连接访问的颜色变化*/
}
a:hover {
    color: #ffffff; /*鼠标经过的颜色变化*/
}
a:active {
    color: #ffffff; /*鼠标按下的颜色变化*/
}
.logo img{
    width: 100%;
}