section .kind {
    width: 1280px;
    margin: 12px auto 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
}

section .kind li {
    width: 420px;
    height: 160px;
    background: #FFFFFF;
    padding: 0 20px;
    box-sizing: border-box;
    position: relative;
    margin-bottom: 13px;
    overflow: hidden;
}

.kind-head {
    width: 100%;
    padding-top: 42px;
    box-sizing: border-box;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.kind-head .sele {
    display: none;
}

.kind-head .kind-word {
    width: calc(100% - 97px);
}

.kind-head .kind-word h3 {
    width: 100%;
    font-size: 20px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #333333;
    margin-bottom: 15px;
}

.kind-head .kind-word .kind-tips {
    width: 100%;
    display: flex;
    align-items: center;
    flex-wrap: wrap;
}

.kind-head .kind-word .kind-tips span {
    display: block;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #999999;
    margin-right: 15px;
    margin-bottom: 10px;
}

.kind-head .kind-word .kind-tips p {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #999999;
    line-height: 22px;
}

section .kind li .yin {
    display: block;
    width: 272px;
    height: 40px;
    background: #FFFFFF;
    border-radius: 20px;
    font-size: 16px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #F03C33;
    line-height: 40px;
    text-align: center;
    margin-top: 15px;
    opacity: 0;
}

section .kind li:hover {
    background: linear-gradient(43deg, #F03C33, #FF6C64);
}

section .kind li:hover .kind-head {
    padding-top: 15px;
    transition: 1s;
}

section .kind li:hover .kind-head .sele {
    display: block;
}

section .kind li:hover .kind-head .nosele {
    display: none;
}

section .kind li:hover .kind-head h3 {
    color: #FFFEB5;
}

.kind li:hover .kind-head .kind-tips span {
    color: #FFFFFF;
}

.kind li:hover .kind-head .kind-tips p {
    color: #FFFFFF;
}

section .kind li:hover .yin {
    opacity: 1;
    transition: 1s;
}

.app-kind {
    display: none;
}

@media only screen and (max-width: 500px) {
    section .kind {
        display: none;
    }

    .app-kind {
        width: 100%;
    }

    .lei {
        width: 351px;
        height: 181px;
        background: #FFFFFF;
        border-radius: 7px;
        margin: 20px auto 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        padding-top: 17px;
        box-sizing: border-box;
    }

    .lei a {
        display: block;
        width: calc(100% / 4);
        margin-bottom: 17px;
        position: relative;
    }

    .lei a img {
        width: 50px;
        margin: 0 auto;
    }

    .lei a p {
        width: 100%;
        font-size: 12px;
        font-family: Microsoft YaHei;
        font-weight: 400;
        color: #333333;
        margin-top: 8px;
        text-align: center;
    }

    .lei a i {
        display: block;
        width: 35px;
        height: 19px;
        position: absolute;
        right: -3px;
        top: -3px;
    }

    .lei a .miao {
        background: url(../../kp3/app/miaosha.png) no-repeat center center;
        background-size: 100%;
    }

    .lei a .free {
        background: url(../../kp3/app/mianfei.png) no-repeat center center;
        background-size: 100%;
    }

}