.sort ul li:nth-child(1) a:after {
    width: 100%;
}

.sort ul li:nth-child(1) a{
    color: var(--yx_Color);
}

.con1 {
    background: url(../img/fwbj1.jpg) no-repeat;
    background-size: 100%;
}

.con1_list {
    display: flex;
    flex-wrap: wrap;
}

.con1_li {
    width: 20.6%;
    overflow: hidden;
    height: 20vw;
    min-height: 300px;
    margin-bottom: 2.56vw;
    background: url(../img/fwbj2.png) no-repeat;
    background-size: 100% 100%;
    transition: 0.7s all;
    box-shadow: -15px 15px 15px rgba(2 31 29 / 11%);
}

.con1_li a {
    display: flex;
    width: 100%;
    height: 100%;
    padding: 2vw 1.56vw;
    position: relative;
    flex-direction: column;
}

.con1_li a img {
    width: auto;
    max-width: 110px;
}

.con1_t {
    color: #333;
    line-height: 1.2;
    margin-top: 20px;
    transition: 0.5s;
}

.dow_t {
    width: 58px;
    height: 58px;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: #f8f8f8;
    border-radius: 50%;
    position: absolute;
    right: 1.56vw;
    bottom: 2vw;
    color: #fff;
    z-index: 2;
}

.dow_t::after {
    content: '';
    width: 46px;
    height: 46px;
    background-color: var(--yx_Color);
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    border-radius: 50%;
    z-index: -1;
}

.dow_t svg {
    width: 26px;
    height: auto;
}

.con1_dx {
    line-height: 1;
    color: #333;
    margin-top: auto;
}

.con1_li:hover {
    box-shadow: -10px 10px 10px rgba(2 31 29 / 11%);
}

.con1_li:hover .con1_t {
    color: var(--yx_Color);
}

@media only screen and (min-width: 769px) {
    .con1_li {
        margin-right: 5.8%;
    }

    .con1_li:nth-child(4n) {
        margin-right: 0;
    }
}

@media only screen and (max-width: 768px) {
    .con1_li {
        width: 100%;
        margin-bottom: 30px;
        padding: 30px 20px;
        min-height: 350px;
    }
}