.tu-wen {
    padding-bottom: 70px;
}

.tu-wen .cur-title {
    padding: 60px 0px 70px;
    font-size: 28px;
    color: #333;
}

.tu-wen .img-list {
    display: flex;
    flex-wrap: wrap;
}

.tu-wen .img-list a {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 20%;
    border-right: 2px solid #fff;
    /* border-bottom: 2px solid #fff; */
    text-align: center;
    height: 260px;
    color: #fff;
    padding: 0px 22px;
}

.tu-wen .img-list a img {
    width: 100px;
    transition: all 0.6s;
}

.tu-wen .img-list a:hover img {
    transform: rotate3d(0, 2, -1, 360deg);
}

.tu-wen .img-list a:nth-child(4n+1) {
    background-color: #1c4587;
}

.tu-wen .img-list a:nth-child(4n+2) {
    background-color: #ff9900;
}

.tu-wen .img-list a:nth-child(4n+3) {
    background-color: #2bb4f2;
}

.tu-wen .img-list a:nth-child(4n+4) {
    background-color: #3c78d8;
}

.tu-wen .img-list a:nth-child(5n+5) {
    border: 0;
}

.tu-wen .img-list a h3 {
    font-size: 23px;
    line-height: 23px;
    padding: 28px 0px 3px;
}

.tu-wen .img-list a p {
    font-size: 15px;
}

@media(max-width: 768px) {
    .tu-wen .img-list {
        padding: 0px 15px;
    }
    .tu-wen .img-list a {
        width: 100%;
        margin-bottom: 15px;
    }
    .tu-wen .cur-title {
        padding-left: 15px;
    }
}