.product {
    padding: 50px 10%;
    background-image: url(../img/product.png);
    background-size: 100% 100%;
    /* background-color: rgba(0, 0, 0, 0.5); */
}

.product p {
    text-align: center;
}

.product #four {
    font-size: 36px;
    color: whitesmoke;
}

.product p:nth-child(2) {
    border: 2px solid #2BC3AC;
    width: 8%;
    margin: 10px 46%;
}

.product p:nth-child(3) {
    color: darkgrey;
}

.product_list {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    margin-top: 40px;
}
.product_content {
    width: 23%;
    height: 24em;
}


.product_content .ap_a {
    position: relative;
    width: 100%;
    height: 100%;
    overflow: hidden;
}

.product_content .ap_a img {
    width: 100%;
    height: 100%;
}

.titx {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.6);
    transition: .5s;
    color: white;
    text-align: center;
}

.box {
    position: absolute;
    top: 40%;
    text-align: center;
    left: 0;
    width: 100%;
    height: 100%;
}

.tennav {
    font-size: 50px;
    color: #2BC3AC;
    font-family: "STKaiti";
    display:block;
    margin-bottom:0px;
}

.product_content .ap_a:hover .titx {
    transform: translateY(-24.5em) scale(1.05);
    cursor: pointer;
}

.product_content .ap_a:hover .box {
    display: none;
}

.wenzi {
    padding: 0 10%;
    font-size: 16px;
    text-align: center;
    transform: translateY(6.5em);
    line-height: 26px;
    color: white;
    font-family: "STXihei";
}