main {
    margin-top: 0px;
    width: 1000px;
    margin: 0 auto;
}

.type_list {
    width: 1000px;
    margin: 0 auto;
    font-size: 0px;
    margin-top: 20px;
}

.type_list li {
    display: inline-block;
    position: relative;
    width: 320px;
    margin: 10px;
    border: 1px solid #DDDDDD;
    box-sizing: border-box;
    height: 367px;
    overflow: hidden;
}

.type_list li:nth-child(1),
.type_list li:nth-child(4) {
    margin-left: 0px;
}

.type_list li:nth-child(3),
.type_list li:nth-child(6) {
    margin-right: 0px;
}


.type_list li img {
    width: 100%;
    height: 325px;
}

.type_list li p {
    font-size: 16px;
    text-align: left;
    padding-left: 20px;
    margin-top: 10px;
    margin-bottom: 10px;
}

.type_list_txt {
    cursor: pointer;
    position: absolute;
    display: none;
    width: 100%;
    height: 325px;
    text-align: center;
    background-color: #20202084;
    color: #fff;
    font-size: 14px;
    box-sizing: border-box;
    padding: 30px;
    line-height: 26px;
}

.type_list li:hover .type_list_txt {
    display: inline-block;
}