.title {
    width: 100%;
    height: 40px;
    line-height: 40px;
    font-weight: 500;
    color: #3D3D3D;
    text-align: center;
    margin: 3.9rem 0 5.6rem;
    font-size: 28px;
}

.container {
    margin-bottom: 23.3rem;
}

.explain {
    padding-left: 5.6rem;
}

.gif img {
    width: 100%;
}

.explain p {
    font-size: 20px;
    color: #6C6C6C;
}

.explain p:first-child {
    margin-top: 10rem;
}

.explain p:nth-child(3) {
    margin-top: 1.7rem;
}

.codecon {
    margin-top: 4rem;
    display: flex;
    justify-content: flex-end;
    align-items: flex-end;
}

.iconcon {
    width: 92px;
    text-align: center;
    margin-right: 8px;
}

.iconcon img {
    width: 57px;
    height: 57px;
}

.iconname {
    color: #6C6C6C;
    font-size: 20px;
}

.codeimg {
    width: 169px;
}

.codeimg span {
    display: inline-block;
    width: 100%;
    height: auto;
    min-height: 100%;
    position: relative;
    padding-bottom: 100%;
    overflow: hidden;
}

.codeimg img {
    width: 100%;
    height: 100%;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
}

.group {
    display: flex;
    align-items: flex-end;
    justify-content: center;
}

.codecon .group:first-child {
    margin-right: 4.3rem;
}


/* 宽度小于530px  iphone 5/SE 、678 */

@media screen and (max-width: 530px) {
    .group {
        width: 100%;
        margin-bottom: 20px;
    }
    .codecon {
        margin-top: 20px;
    }
    .codecon {
        flex-wrap: wrap;
    }
    .explain p:nth-child(3) {
        margin-top: 25px;
    }
}


/* 宽度小于1000px */

@media screen and (max-width: 1000px) {
    .codeimg {
        width: 150px;
    }
}