/* 移动 */
@media screen and (max-width: 1200px) {
    #content {
        padding-top: 50px;
    }

    .hd_nav {
        display: none;
    }
    
    .hd_extra {
        display: none;
    }

    .modil-nav {
        position: relative;
        width: 21px;
        height: 18px;
        display: flex;
        flex-direction: column;
        justify-content: space-between;

    }

    .modil-nav>div {
        width: 100%;
        height: 2px;
        background-color: #999;
        transform-origin: left top;
        transition: all .3s;
    }

    .header {
        padding: 0 20px;
        width: auto;
        justify-content: space-between;
    }

    .modil-nav-show div {}

    .modil-nav-show .modil-nav1 {
        transform: rotate(45deg) translateX(2px);
    }

    .modil-nav-show .modil-nav2 {
        transform: scale(0);
    }

    .modil-nav-show .modil-nav3 {
        transform: rotate(-45deg);
    }

    .modil-title-nav,
    .modil-extra-list {
        position: fixed;
        top: 50px;
        z-index: 4;
        width: 100vw;
        height: 100vh;
        background-color: #fff;
        transform-origin: top center;
        transform: scale(1, 0);
        transition: all .3s;
        display: flex;
        flex-direction: column;
        align-items: stretch;
    }

    .modil-title-nav-show {
        transform: scale(1, 1);
    }

    .nav-item {
        margin: 0 16px;
        padding: 18px 0 18px 26px;
        border-bottom: 1px solid rgb(242, 242, 242);
    }

    .section-1 {
        width: auto !important;
        margin-top: 65px;
    }

    .section-1 .list {
        display: flex;
        flex-wrap: wrap;
    }

    .section-1 .list li {
        margin-top: 32px;
        width: 50%;
    }

    .section-1 .list li a {
        display: flex;
        flex-direction: column;
        align-items: center;
    }

    .section-1 .list li .img {
        width: 22.60vw;
        height: 22.60vw;
    }

    .section-1 .list li a .text {
        text-align: center;
    }

    .section-1 .list li a .text>p,
    .section-1 .list li a .text>h3 {
        margin: 15px 0;
    }

    .section-1 .section-title {
        padding-top: 0;
    }

    .section-2 .section-con {
        display: flex;
        flex-direction: column;
        flex-wrap: wrap;
        align-items: center;
    }

    .section-2 .section-con .con-right {
        text-align: center;
        align-items: center;
    }

    .section-2 .section-con .con-right .dd,
    .section-2 .section-con .con-right>p {
        margin: 10px 0;
    }

    .section-4 {
        width: auto !important;
    }

    #home .sec4-list {
        padding: 0 10px;
        flex-wrap: wrap;
    }

    #home .sec4-list li {
        margin: 10px !important;
        width: 40%;
        height: 29.83vw;
        flex-grow: 1;
    }

    .footer .footer_link,
    .footer .footer_link .ft-help {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        text-align: center;
    }

    .wx-code {
        margin: 20px auto;
    }

    .header .hd_logo {
        width: 90px;
        height: 50px;
    }

    .mobile_extra {
        font-size: 25px;
    }

    .mobile_extra,
    .modil-extra-list {
        display: block;
    }

    .register-button {
       position: absolute;
        right: 5px;
        top: 110%;
    }
}

@media screen and (max-width: 469px) {
    #home .section-9 .s-left {
        padding: 35px 0;
    }

    #home .section-9 .s-left .item {
        width: 45%;
    }
}