.list{
    display: grid;
    grid-template-columns: calc(50% - (20px/2))  calc(50% - (20px/2));
    column-gap: 20px;
    row-gap: 20px;
    height: auto;
    overflow: hidden;
    margin-top: 40px;
    margin-bottom: 40px;
}
.tb_tb{
    display: block;  
    width: auto;
    height: auto;
    overflow: hidden;
    padding: 20px;
    border-radius: 10px;
}
.tb_left{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    background-color: #000;
    position: relative;
}
.tb_left>video{
    width: 100%;
    height: 100%;
    object-fit: cover;
    overflow: hidden;
}
.tb_pic{
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    width:auto;
    height: auto;
    overflow: hidden;
    padding-bottom: 50%;
    position: absolute;
    left: 0px;
    right: 0px;
    top:0px;
    bottom: 0px;
    margin: auto;
    cursor: pointer;
    background-size: cover;
}
.tb_play{
    display: flex;
    display: -webkit-flex;
    justify-content: center;
    align-items: center;
    width: 50px;
    height: 50px;
    overflow: hidden;
    border-radius: 50%;
    position: absolute;
    left: 0px;
    right: 0px;
    top:0px;
    bottom: 0px;
    margin: auto;
    cursor: pointer;
    background-color: rgba(0,0,0,0.8);
    color: #fff;

}
.tb_right{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
    margin-top: 10px;
}
.tb_name{
    display: block;
    width: auto;
    height: auto;
    overflow: hidden;
}
a.tb_path{
    display: flex;
    display: -webkit-flex;
    align-items: center;
    justify-content: center;
    column-gap: 10px;
    width: 120px;
    height: auto;
    overflow: hidden;
    background-color: var(--back_color);
    color: #fff;
    text-align: center;
    padding: 20px;
    margin-top: 20px;
    border-radius: 4px;
}
a.tb_path:hover{
    background-color: var(--hover_color);
}