@media screen and (min-width:1025px) {
    .m_header,
    .mh_nav {
        display: none;
    }

    .pc-block {
        display: block;
    }

    .mb-block {
        display: none;
    }

    body img.pc-block {
        display: block;
    }

    body img.mb-block {
        display: none;
    }

    .pc-flex {
        display: flex;
    }

    .mb-flex {
        display: none;
    }
}

@media screen and (max-width:1024px) {
    html {
        font-size: min(calc(100vw / 7.5), 100px);
    }
    body{font-size: 0.24rem;}
    .f-12 {
        font-size: min(0.22rem, 12px);
    }

    .f-13,
    .f-14,
    .f-15,
    .f-16 {
        font-size: min(0.24rem, 14px);
    }

    .f-17,
    .f-18,
    .f-19,
    .f-20 {
        font-size: min(0.24rem, 16px);
    }

    .f-21,
    .f-22,
    .f-23,
    .f-24,
    .f-25,
    .f-26,
    .f-27,
    .f-28 {
        font-size: min(0.28rem, 18px);
    }

    .f-29,
    .f-30,
    .f-31,
    .f-32,
    .f-33,
    .f-34 {
        font-size: min(0.32rem, 20px);
    }

    .f-35,
    .f-36,
    .f-37,
    .f-38,
    .f-39,
    .f-40,
    .f-41,
    .f-42,
    .f-43,
    .f-44,
    .f-45,
    .f-46 {
        font-size: min(0.4rem, 22px);
    }

    .f-47,
    .f-48,
    .f-49,
    .f-50,
    .f-51,
    .f-52,
    .f-53,
    .f-54,
    .f-55,
    .f-56,
    .f-57,
    .f-58,
    .f-59,
    .f-60,
    .f-61,
    .f-62,
    .f-63,
    .f-64,
    .f-65,
    .f-66,
    .f-67,
    .f-68,
    .f-69,
    .f-70,
    .f-71,
    .f-72,
    .f-73,
    .f-74,
    .f-75,
    .f-76,
    .f-77,
    .f-78,
    .f-79,
    .f-80 {
        font-size: min(0.48rem, 24px);
    }

    .pc-block {
        display: none;
    }

    .mb-block {
        display: block;
    }

    .pc-flex {
        display: none;
    }

    .mb-flex {
        display: flex;
    }

    /* .breadcrumb{
      display: none;
    } */


    /* 头部开始 */
    .header {
        display: none;
    }
    .m_header {
        display: block;
        position: fixed;
        top: 0;
        width: 100%;
        z-index: 999;
        background: #FFF;
    }

    .m_header .wrap {
        padding: .2rem .36rem;
        display: flex;
        justify-content: space-between;
        align-items: center;
    }

    .m_header .wrap .logo {
        height: .5rem;
        width: fit-content;
    }

    .m_header .wrap .action {
        display: flex;
        align-items: center;
        gap: .24rem;
    }

    .m_header .wrap .action .item {
        height: .4rem;
        width: fit-content;
        display: flex;
        align-items: center;
        gap: .06rem;
        font-size: .3rem;
        color: #333;
    }

    .m_header .wrap .action .item .icon {
        height: 100%;
        width: auto;
    }

    .m_header .wrap .action .item.log_out .icon{border-radius: 50%;overflow: hidden;}
    .m_header .wrap .action .item.search .icon img{filter: var(--imgblack);opacity: 0.8;}

    .m_header .wrap .action .item .icon.arr {
        height: .22rem;
    }

    .m_header .wrap .action .btn {
        display: flex;
        flex-direction: column;
        gap: .12rem;
        width: .4rem;
    }

    .m_header .wrap .action .btn span {
        height: 1.5px;
        width: 100%;
        background-color: #333;
    }

    .mh_nav {
        display: block !important;
        position: fixed;
        top: 0;
        left: 10%;
        width: 90%;
        transform: translateX(120%);
        opacity: 0;
        z-index: 999;
        background-color: #fff;
        height: 100vh;
        overflow: auto;
        padding: 1.2rem .4rem;
        transition: all .5s ease-in-out;
        box-shadow: 0 .1rem .1rem rgba(0, 0, 0, 0.1);
    }

    .mh_nav li {
        list-style: none;
    }

    .mh_nav.show {
        transform: translateX(0);
        opacity: 1;
    }

    .mh_nav .close {
        position: absolute;
        top: .4rem;
        right: .4rem;
        width: .4rem;
        height: .4rem;
    }

    .mh_nav .close span {
        display: inline-block;
        width: 100%;
        height: 2px;
        background-color: #333;
        position: absolute;
        bottom: .2rem;
        left: 0;
    }

    .mh_nav .close span:nth-child(1) {
        transform: rotate(45deg);
    }

    .mh_nav .close span:nth-child(2) {
        transform: rotate(135deg);
    }

    .mh_nav .list .item {
        border-bottom: 1px solid rgba(0, 0, 0, 0.1);
        position: relative;
    }

    .mh_nav .list .item .top {
        padding: .4rem 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .mh_nav .list .item .top .tit {
        line-height: 1;
        font-size: .32rem;
        font-weight: 300;
        font-family: var(--font-cn);
        display: block;
        width: fit-content;
    }

    .mh_nav .list .item .top .add {
        height: .25rem;
        width: .25rem;
        /* background-color: red; */
        position: relative;
        opacity: 0;
        visibility: hidden;
        transition: all .5s;
    }

    .mh_nav .list .item .top .add span {
        background-color: #333;
        position: absolute;
        transition: all .5s;
    }

    .mh_nav .list .item .top .add span:nth-child(1) {
        width: 100%;
        height: 1.5px;
        top: 50%;
        left: 0;
        transform: translateY(-50%);
    }

    .mh_nav .list .item .top .add span:nth-child(2) {
        width: 1.5px;
        height: 100%;
        top: 0;
        left: 50%;
        transform: translateX(-50%);
    }

    .mh_nav .list .item.on .top .add {
        transform: rotate(45deg);
    }

    .mh_nav .list .item:has(ul) .top .add {
        opacity: 1;
        visibility: visible;
    }

    .mh_nav .list .item .info {
        display: none;
    }

    .mh_nav .list .item .nav {
        font-size: .28rem;
        font-weight: 300;
        padding-bottom: .4rem;
    }

    .mh_nav .list .item.on .nav a {
        padding-left: .2rem;
    }

    .mh_nav .list .item .nav a {
        font-size: .28rem;
        font-weight: 300;
        font-family: var(--font-cn);
        padding: .16rem 0;
        width: 100%;
        transition: all .5s ease-in-out;
    }

    .mh_nav .list .item .nav .lv2,
    .mh_nav .list .item .nav .lv3,
    .mh_nav .list .item .nav .lv4 {
        display: flex;
        flex-direction: column;
        gap: .1rem;
        padding: .1rem 0 .1rem 0.3rem;
        transition: all .5s;
    }

    .mh_nav .list .item .nav .lv2 a,
    .mh_nav .list .item .nav .lv3 a,
    .mh_nav .list .item .nav .lv4 a {
        font-size: min(.24rem, 14px);
        padding: .1rem 0;
    }
    /* 头部结束 */
    




    
    


}