@media screen and (min-width: 320px)and (max-width: 750px) {
    #form1 {
        display: inherit;
    }

    .left, .right {
        float: inherit;
    }

    .headr {
        height: auto;
    }

    .warpper {
        width: 100% !important;
        margin: inherit;
    }

    .top_intro {
        display: flex;
        justify-content: center;
        align-items: center;
        flex-direction: column;
    }

        .top_intro .logo {
            display: block;
            background-size: contain;
            width: 80vw;
            height: 7vh;
            background-repeat: no-repeat
        }

        .top_intro .login_right {
            margin: 25px 0;
        }

            .top_intro .login_right a {
                margin: 0 10px;
            }

    .banner, .ad-warpper, .hot-tips {
        display: none;
    }

    .quick-menu {
        width: 100%;
        margin-left: 0;
        display: flex;
        flex-direction: column;
        align-content: center;
        display: none;
    }

        .quick-menu .quick-btn {
            margin: 3px auto;
        }

    .course-content .menu {
        display: flex;
        flex-direction: column;
        justify-content: center;
        align-items: center;
    }

        .course-content .menu ul {
            margin-top: 25px;
            display: flex;
            justify-content: center;
        }

            .course-content .menu ul li {
                font-size: 14px;
                padding: 5px 10px;
                text-align: center;
                margin: 0;
            }

    .course-list {
        display: flex;
        justify-content: center;
        flex-wrap: wrap;
    }

        .course-list dl {
            flex: 0 0 45vw;
        }

    .course-page {
        padding: 10px;
        margin: 0;
    }

        .course-page dl {
            margin: 4px;
        }

    .exam, .notice {
        width: 98vw;
        margin: 0 auto;
    }

    .course-list dl dd {
        line-height: 24px;
    }

    .footer .links {
        padding: 0 1vw;
    }

        .footer .links label {
            display: block;
        }

        .footer .links .warpper {
            padding-top: 20px;
            padding-left: 0;
        }

            .footer .links .warpper label {
                margin-left: 0;
                font-size: 18px;
                font-weight: bold;
                margin-bottom: 30px;
            }

    .footer .menu-nav {
        display: flex;
        width: 98vw !important;
        margin: 0 auto;
        flex-wrap: wrap;
    }

        .footer .menu-nav dl {
            float: inherit;
            margin-right: 0;
            flex: 1;
        }

            .footer .menu-nav dl:first-child {
                flex: 0 0 100vw;
            }

    .menu-nav .QR-code {
        position: relative;
        top: 0;
        left: 0;
        text-align: center;
    }

    .enroll_tips .enroll_box {
        width: 80vw;
        transform: translate(-50%, -50%);
        margin-left: 0;
        margin-top: 0;
    }

        .enroll_tips .enroll_box .enroll_content {
            padding: 10px;
        }

    .enroll_content .quick-btn p {
        font-size: 12px;
    }

    .enroll_content .quick-btn {
        display: block;
        width: 54vw;
        height: 27vh;
        margin: 1vh auto;
    }

        .enroll_content .quick-btn span {
            font-size: 20px;
            margin-bottom: 5px;
        }

        .enroll_content .quick-btn a {
            padding-top: 73px;
        }

    .filter {
        margin: 0 10px;
        display: flex;
        flex-wrap: wrap;
    }

        .filter label {
            display: none;
        }

        .filter a {
            display: inline-block;
            width: 25vw;
            text-align: center;
            height: 30px;
            line-height: 30px;
            padding: 0 0;
        }

    .login_box {
        display: flex;
        margin: 25px 10px;
        height: auto;
        flex-wrap: wrap-reverse;
        justify-content: center;
    }

    .img_intro, .login_form_box {
        width: 100%;
    }

        .img_intro img {
            width: 100%;
        }

        .login_form_box h3 {
            text-align: center;
        }

    .user-login {
        display: none !important;
    }

    .line-step {
        width: 95vw;
        margin-left: auto;
        margin-right: auto;
    }

        .line-step div.one {
            left: 26px;
        }

        .line-step div.three {
            right: 26px;
        }

    .box-info {
        margin: 10px;
        padding: 15px;
    }

    .file-down {
        padding: 0;
    }

        .file-down p {
            display: flex;
        }

            .file-down p span {
                flex: 0 0 40px;
                margin-right: 10px;
            }

            .file-down p a {
                margin: 0 5px;
                flex: 0 0 34px;
            }

            .file-down p em {
                flex: 0 0 134px;
            }

            .file-down p .btn {
                flex: 0 0 25px;
                font-size: 12px;
                height: 39px;
            }

            .file-down p .pr {
                margin-right: 0;
            }

    .table .user-photo {
        position: relative;
        top: 0;
    }

    .table {
        margin: 0;
    }

        .table label {
            width: 100px;
            text-align: left;
            display: block;
            margin-top: 10px;
            margin-bottom: 10px;
        }

    .error-tips {
        text-indent: 0;
    }

    .table .long_input {
        width: 86vw;
    }

    .invoice-box {
        display: block;
        padding-top: 20px;
        padding-left: 25px;
    }

        .invoice-box span {
            display: block;
            margin-bottom: 10px;
        }

    .user-info-box {
        width: 100%;
    }

    .item-line span.red-text {
        display: block;
    }

    .city-picker-selector select {
        margin-left: 2px;
        width: 86vw;
    }

    .result-info .item-line label {
        padding-left: inherit;
        min-width: inherit;
    }

    .result-info .item-line .text-span {
        min-width: inherit;
    }

    .result-info .user-photo {
        position: inherit;
        top: inherit;
        right: inherit;
    }

    .pay-success .pry-tips {
        padding: 0 0;
    }

    .pay-table-info .item-line .one-line, .pay-table-info .item-line .two-line, .pay-table-info .item-line .three-line {
        padding-left: 0;
    }

    .left-nav {
        width: 95vw;
        margin: 0 auto;
    }

        .left-nav .user-img {
            display: none;
        }

        .left-nav ul {
            display: flex;
            margin-top: 34px;
        }

    .smaill-nav {
        display: none;
    }

    .left-nav ul li {
        border-left: 0;
        flex: 1;
        display: flex;
        justify-content: center;
        align-items: center;
        line-height: 25px;
    }

        .left-nav ul li:hover, .left-nav ul li.cur {
            border-left: 0;
        }

    .right-content {
        width: 98vw;
        margin: 0 auto;
    }

    .user-study-list li {
        font-size: 18px;
    }

    .change-pwd {
        width: 331px;
    }

        .change-pwd li label {
            font-size: 14px;
            width: 99px;
        }

        .change-pwd li input {
            width: 214px;
        }

    .right-content h4.title {
        text-align: center;
    }

        .right-content h4.title span {
            display: block;
            text-align: center;
            margin: 5px 0;
        }

    .left-nav ul li a {
        display: flex;
        justify-content: center;
        align-items: center;
        padding: 0 10px;
    }

    .import {
        width: 100%;
    }

    .edit_company_user li label {
        text-align: left !important;
    }

    .new-content p {
        text-indent: 0;
    }

    .new-content img {
        display: inline-block;
        max-width: 300px;
    }
}