@media only screen and (min-width: 996px) {
    .t_pro {
        width: 100%;
    }
    .t_pro_left {
        width: 250px;
        background-color: #fff;
        box-shadow: var(--main-shadow);
    }
    .t_pro_leftout {
        position: sticky;
        top: 20px;
        width: 250px;
        float: left;
    }
    .t_pro_left ul li {
        margin-top: 3px;
        display: flex;
        padding: 10px;
        align-items: center;
        justify-content: space-between;
        border-bottom: 1px solid#efefef;
    }
    .t_pro_left ul li a {
        display: block;
        width: 80%;
        /* width: 100%; */
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
        height: 40px;
        line-height: 40px;
        font-size: 14px;
        color: var(--main-color-p_color);
    }
    .t_pro_left ul li i {
        transition: var(--main-transition);
        font-size: 22px;
        text-align: center;
    }
    .t_pro_left i {
        font-size: 22px !important;
    }
    .prodrop {
        display: none;
    }
    .prodrop a {
        display: block;
        padding-left: 20px;
        height: 40px;
        width: 80%;
        line-height: 40px;
        font-size: 14px;
        color: var(--main-color-p_color);
    }
    .pro_change {
        transform: rotate(90deg);
    }
    .t_pro_right {
        width: 930px;
        float: right;
    }
    .t_pro_right ul {
        display: flex;
        flex-wrap: wrap;
    }
    .t_pro_right ul li {
        margin-bottom: 25px;
        padding: 10px;
        background-color: #fff;
        width: calc(100% / 4);
    }
    .t_pro_right ul li img {
        width: 100%;
        height: 200px;
        object-fit: contain;
    }
    .t_pro_right ul li p {
        width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
        color: var(--main-color-fontColor);
        font-size: 14px;
        margin: 10px 0;
        text-align: center;
    }
    .clear {
        clear: both;
    }
    /* 选中class */
    .active_pro {
        background-color: var(--main-color) !important;
        color: var(--main-color-white) !important;
    }
    .active_pro a {
        color: var(--main-color-white) !important;
    }
    /* 二级默认展开class */
    .active_open {
        display: block;
    }
    .zk_mb {
        display: none;
    }
    .sec_drop {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-right: 10px;
        border-bottom: 1px solid#efefef;
    }
    .proarr1 {
        cursor: pointer;
        transition: var(--main-transition);
    }
    .third_drop {
        display: none;
    }
    .third_drop a {
        display: block;
        padding-left: 35px !important;
    }
    .third_drop a {
        border-bottom: 1px solid#efefef;
        width: 100%;
    }
}

@media only screen and (max-width: 996px) {
    .pronav_ul {
        display: none;
    }
    .third_drop a {
        border-bottom: 1px solid#efefef;
    }
    .sec_drop {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-right: 10px;
        border-bottom: 1px solid#efefef;
    }
    .proarr1 {
        cursor: pointer;
        transition: var(--main-transition);
    }
    .third_drop {
        display: none;
    }
    .third_drop a {
        display: block;
        padding-left: 35px !important;
    }
    .zk_mb {
        padding: 10px;
        background-color: var(--main-color);
    }
    .zk_mb span {
        color: var(--main-color-white);
        display: flex;
        align-items: center;
    }
    .zk_mb span i {
        margin-right: 15px;
        margin-top: 3px;
    }
    .t_pro {
        width: 100%;
    }
    .t_pro_left {
        width: 100%;
        background-color: #fff;
    }
    .t_pro_leftout {
        /* position: sticky; */
        /* top: 60px; */
        z-index: 20;
        width: 100%;
        box-shadow: var(--main-shadow);
    }
    .t_pro_left ul li {
        display: flex;
        padding: 5px 15px;
        align-items: center;
        justify-content: space-between;
        border-bottom: 1px solid#efefef;
    }
    .t_pro_left ul li a {
        display: block;
        width: 100%;
        height: 40px;
        line-height: 40px;
        font-size: 14px;
        color: var(--main-color-p_color);
    }
    .t_pro_left ul li i {
        transition: var(--main-transition);
        font-size: 22px;
        flex: 1;
        text-align: center;
    }
    .t_pro_left i {
        font-size: 22px !important;
    }
    .prodrop {
        display: none;
    }
    .prodrop a {
        display: block;
        padding-left: 20px;
        height: 40px;
        line-height: 40px;
        font-size: 14px;
        width: 80%;
        color: var(--main-color-p_color);
    }
    .pro_change {
        transform: rotate(90deg);
    }
    .t_pro_right {
        width: 100%;
        margin-top: 25px;
    }
    .t_pro_right ul {
        display: flex;
        flex-wrap: wrap;
    }
    .t_pro_right ul li {
        margin-bottom: 25px;
        padding: 10px;
        background-color: #fff;
        width: 50%;
    }
    .t_pro_right ul li img {
        width: 100%;
        height: 200px;
        object-fit: contain;
    }
    .t_pro_right ul li p {
        width: 100%;
        overflow: hidden;
        text-overflow: ellipsis;
        display: -webkit-box;
        -webkit-box-orient: vertical;
        -webkit-line-clamp: 1;
        color: var(--main-color-fontColor);
        font-size: 14px;
        margin: 10px 0;
        text-align: center;
    }
    .clear {
        clear: both;
    }
    /* 选中class */
    .active_pro {
        background-color: var(--main-color) !important;
        color: var(--main-color-white) !important;
    }
    .active_pro a {
        color: var(--main-color-white) !important;
    }
    /* 二级默认展开class */
    .active_open {
        display: block;
    }
}