@media only screen and (min-width: 1024px) {
    .phone_box {
        display: none;
    }
}

@media only screen and (max-width: 1023px) {
    .pc_box {
        display: none;
    }

    .index_contaner {
        width: 100vw;
        overflow: hidden !important;
    }

    .footer {
        display: none;
    }

    .header_phone {
        width: 100%;
        background-color: #fff;
        padding: 0 20px;
        height: 60px;
        display: flex;
        align-items: center;
        justify-content: space-between;
    }

    .header_phone .logo {
        height: 50%;
        width: auto;
    }

    .header_phone .logo img {
        height: 100%;
        width: auto;
    }

    .header_phone .menu {
        position: relative;
        width: 20px;
        height: 20px;
        cursor: pointer;
    }

    .header_phone .menu div {
        position: absolute;
        left: 0;
        width: 100%;
        height: 2px;
        background-color: var(--vicolor);
        transition: all 0.4s ease;
    }

    .header_phone .menu .top {
        top: 0;
    }

    .header_phone .menu .middle {
        top: 9px;
    }

    .header_phone .menu .bottom {
        bottom: 0;
    }

    .header_phone .menu.cur .top {
        transform: rotate(45deg);
        transform-origin: top left;
        width: 26px;
    }

    .header_phone .menu.cur .middle {
        transform: translateX(-20px);
        opacity: 0;
    }

    .header_phone .menu.cur .bottom {
        transform: rotate(-45deg);
        transform-origin: top left;
        width: 26px;
        left: -1px;
    }

    .header_phone .mb-head {
        display: none;
        position: absolute;
        top: 60px;
        width: 100%;
        left: 0;
        height: calc(100vh - 60px);
        background-color: #ffffff;
        overflow-y: auto;
    }

    .header_phone .mb-head .mb-head_cont .item .item_cont {
        height: 13.333vw;
        display: flex;
        justify-content: space-between;
        padding: 0 6vw;
    }

    .header_phone .mb-head .mb-head_cont .item .item_cont a {
        display: flex;
        align-items: center;
        flex: 1;
    }

    .header_phone .mb-head .mb-head_cont .item .item_cont .ico_box {
        width: 20%;
        display: flex;
        align-items: center;
        justify-content: end;
    }

    .header_phone .mb-head .mb-head_cont .item .item_cont .ico_box .ico {
        width: 2.667vw;
        height: 2.667vw;
        position: relative;
    }

    .header_phone .mb-head .mb-head_cont .item .item_cont .ico_box .ico::after {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        width: 100%;
        height: 2px;
        background: #000;
    }

    .header_phone .mb-head .mb-head_cont .item .item_cont .ico_box .ico::before {
        content: "";
        position: absolute;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        height: 100%;
        width: 2px;
        background: #000;
        transition: all .5s;
    }

    .header_phone .mb-head .mb-head_cont .item .header_down_cont {
        display: none;
    }

    .header_phone .mb-head .mb-head_cont .item .header_down_cont a {
        height: 13.333vw;
        display: flex;
        align-items: center;
        width: 80%;
        padding-left: 10.667vw;
        font-size: clamp(0px, calc(var(--num)* 1.25vw), 24px);
    }

    .header_phone .mb-head .mb-head_cont .item .header_down_cont a.on {
        color: var(--vicolor);
    }

    .header_phone .mb-head .mb-head_cont .item:nth-child(2n) .item_cont {
        background-color: #f3f3f7;
    }

    .header_phone .mb-head .mb-head_cont .item.on .item_cont {
        background: var(--vicolor);
    }

    .header_phone .mb-head .mb-head_cont .item.on .item_cont a {
        color: #fff;
    }
}