*{
    margin: 0;
    padding: 0;
}
a{
    text-decoration: none;
}
body{
    font-family:'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    -webkit-text-size-adjust:none;
    overflow: hidden;
}
.container {
    width: 100%;
    height: 100vh;
    display: flex;
}
select::-ms-expand {
    display: none;
}

/*左边样式*/
.left {
    float: left;
    width: 70%;
    height: 100vh;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    transition: background 3s;
    -webkit-transition: background 3s;
    -moz-transition:background 3s;
    -o-transition:background 3s;
}

.left>.left_div1 {
    width: 30%;
    margin-left: 3%;
    margin-top: 2%;
}
.left>.left_div1>img {
    opacity: 0.9;
    width: 50%;
}
.left>.left_div2 {
    margin-left: 20%;
    margin-top: 12%;
}
.left>.left_div2>div>p:nth-of-type(1) {
    font-size: 4vw;
    color: #fff;
}
.left>.left_div2>div>p:nth-of-type(2) {
    font-size: 1.5vw;
    color: #fff;
}
.left>.left_div3 {
    margin-left: 20%;
    margin-top: 4%;
}
.left>.left_div3>div {
    margin-top: 3%;
    width: 16%;
    height: 3.2vw;
    display: flex;
    align-items: center;
    padding: 1%;
}
.left>.left_div3>.left_navi_btn {
    margin-top: 2%;
    width: 15%;
    height: 3.5vw;
    display: flex;
    align-items: center;
    padding: 1% 1% 1% 2%;
    background-color: transparent;
    border-radius: 6px;
    behavior: url(ie-css3.htc);
    background-image: -moz-linear-gradient( 0deg, rgba(244, 162, 35, 0.3) 0%, rgba(255, 96, 0, 0.3) 100%);
    background-image: -webkit-linear-gradient( 0deg, rgba(244, 162, 35, 0.3), rgba(255, 96, 0, 0.3));
    background-image: -ms-linear-gradient( 0deg, rgba(244, 162, 35, 0.3) 0%, rgba(255, 96, 0, 0.3) 100%);

    background:linear-gradient( 0deg, rgba(244, 162, 35, 0.3) 0%, rgba(255, 96, 0, 0.3) 100%);
    background:-moz-linear-gradient( 0deg, rgba(244, 162, 35, 0.3) 0%, rgba(255, 96, 0, 0.3) 100%);
    background:-webkit-linear-gradient( 0deg, rgba(244, 162, 35, 0.3) 0%, rgba(255, 96, 0, 0.3) 100%);
    background:-o-linear-gradient( 0deg, rgba(244, 162, 35, 0.3) 0%, rgba(255, 96, 0, 0.3) 100%);
    background:-ms-linear-gradient( 0deg, rgba(244, 162, 35, 0.3) 0%, rgba(255, 96, 0, 0.3) 100%);
    /*兼容ie9*/
    filter: progid:DXImageTransform.Microsoft.gradient(GradientType=1 ,startColorstr=#F4A232, endColorstr=#FB7219);
}
.left>.left_div3>.left_navi_btn:hover {
    cursor:pointer;
    background:linear-gradient( 0deg, rgba(244, 162, 35, 0.8) 0%, rgba(255, 96, 0, 0.8) 100%);
    background:-moz-linear-gradient( 0deg, rgba(244, 162, 35, 0.8) 0%, rgba(255, 96, 0, 0.8) 100%);
    background:-webkit-linear-gradient( 0deg, rgba(244, 162, 35, 0.8) 0%, rgba(255, 96, 0, 0.8) 100%);
    background:-o-linear-gradient( 0deg, rgba(244, 162, 35, 0.8) 0%, rgba(255, 96, 0, 0.8) 100%);
    background:-ms-linear-gradient( 0deg, rgba(244, 162, 35, 0.8) 0%, rgba(255, 96, 0, 0.8) 100%);
}
.left>.left_div3>.left_navi_btn img {
    width: 60%;
    float: left;
}
.left>.left_div3>.left_navi_btn>.left_navi_btn_notice{
    display: flex;
    text-align: center;
    flex-wrap: wrap;
    font-size: 1vw;
    color: #fff;
    float: left;
}
.left>.left_div3>.left_navi_btn>.left_navi_btn_notice>p {
    width: 100%;
}

/*右边样式*/
.right {
    float: left;
    width: 30%;
}
.right>.right-contents {
    width: 66%;
    margin-left: 16.5%;
}

/*右边样式：切换教师学生*/
.right>.right-contents>.right-contents-title {
    margin-top: 13%;
    display: flex;
    font-size: 1.5vw;
    justify-content: space-between;
}
.right>.right-contents>.right-contents-title>.btn{
    padding-bottom: 2%;
}
.right>.right-contents>.right-contents-title>.btn:hover{
    cursor: pointer;
    color: #ff9933;
}
.right>.right-contents>.right-contents-title>.pull-right{
    float:right;
}
.right>.right-contents>.right-contents-title>.active{
    color: #ff9933;
    border-bottom: 4px solid rgb(228, 152, 12);
}

/*右边样式：表单*/
.right>.right-contents .right-contents-form {
    margin-top: 9%;
}
.right>.right-contents .right-contents-form .form-item {
    width: 100%;
    height: 3vw;
    font-size: 0.95vw;
    border-radius: 5px;
    border: 1px solid #ccc;
    box-sizing: border-box;
    margin-top: 2%;
    padding-left: 5%;
    outline: none;
    appearance:none;
    -moz-appearance:none;
    -webkit-appearance:none;
    -ms-appearance:none;
}
.right>.right-contents .right-contents-form .form-item:focus {
    border: 1px solid #ff9933;
}
.right>.right-contents .right-contents-form .select {
    background: url("../img/xia.png");
    background-repeat: no-repeat;
    background-position: 95% 50%;
    background-size: 20px;
}
.right>.right-contents .right-contents-form >.form-yzm {
    position: relative;
}
.right>.right-contents .right-contents-form >.form-yzm > .form-yzm-img {
    width: 30%;
    height: 60%;
    position: absolute;
    top: 26%;
    right: 3%;
    border-left:1px solid #ccc;
    padding-left:3%;
}
.right>.right-contents .right-contents-form >.form-yzm > .form-yzm-img > img {
    width:100%;
    height:100%;
    cursor:pointer;
}

/*右边样式：登录按钮*/
.right>.right-contents >.right-contents-loginbtn{
    margin-top: 7%;
}
.right>.right-contents >.right-contents-loginbtn>button {
    width: 100%;
    height: 3vw;
    font-size: 1.1vw;
    border-radius: 5px;
    border: none;
    color: #fff;
    border-radius: 5px;
    outline: none;
    background-image: -moz-linear-gradient( 0deg, rgba(244, 162, 35, 0.9) 0%, rgba(255, 96, 0, 0.9) 100%);
    background-image: -webkit-linear-gradient( 0deg, rgba(244, 162, 35, 0.9) 0%, rgba(255, 96, 0, 0.9) 100%);
    background-image: -ms-linear-gradient( 0deg, rgba(244, 162, 35, 0.9) 0%, rgba(255, 96, 0, 0.9) 100%);
    margin-top: 2%;

    background:linear-gradient( 0deg, rgba(244, 162, 35, 0.9) 0%, rgba(255, 96, 0, 0.9) 100%);
    background:-moz-linear-gradient( 0deg, rgba(244, 162, 35, 0.9) 0%, rgba(255, 96, 0, 0.9) 100%);
    background:-webkit-linear-gradient( 0deg, rgba(244, 162, 35, 0.9) 0%, rgba(255, 96, 0, 0.9) 100%);
    background:-o-linear-gradient( 0deg, rgba(244, 162, 35, 0.9) 0%, rgba(255, 96, 0, 0.9) 100%);
    background:-ms-linear-gradient( 0deg, rgba(244, 162, 35, 0.9) 0%, rgba(255, 96, 0, 0.9) 100%);
    /*兼容ie9*/
    filter: progid:DXImageTransform.Microsoft.gradient(GradientType=1 ,startColorstr=#F4A232, endColorstr=#FB7219);
}
.right>.right-contents >.right-contents-loginbtn>button:hover {
    cursor: pointer;
    background-image: -moz-linear-gradient( 0deg, rgb(244, 162, 35) 0%, rgb(255, 96, 0) 100%);
    background-image: -webkit-linear-gradient( 0deg, rgb(244, 162, 35) 0%, rgb(255, 96, 0) 100%);
    background-image: -ms-linear-gradient( 0deg, rgb(244, 162, 35) 0%, rgb(255, 96, 0) 100%);
    transition: all ease 0.5s;
}

/*右边样式：找回密码*/
.right>.right-contents >.right-contents-resetpwd {
    margin-top: 1%;
    display: flex;
    font-size: 0.9vw;
    justify-content: space-between;
    position: relative;
}
.right>.right-contents >.right-contents-resetpwd >div{
    position: absolute;
    float: left;
}
.right>.right-contents >.right-contents-resetpwd >div:nth-of-type(2){
    right: 0;
}
.right>.right-contents >.right-contents-resetpwd >div:nth-of-type(1)>a:nth-of-type(1) {
    color: #666;
}
.right>.right-contents >.right-contents-resetpwd >div:nth-of-type(1)>a:nth-of-type(1):hover {
    color: #333;
    transition: all .3s;
    -webkit-transition: all .3s;
}
.right>.right-contents >.right-contents-resetpwd >div:nth-of-type(2)>a:nth-of-type(1) {
    color: #666;
}
.right>.right-contents >.right-contents-resetpwd >div:nth-of-type(2)>a:nth-of-type(1):hover {
    color: #333;
    transition: all .3s;
    -webkit-transition: all .3s;
}

/*右边样式：二维码*/
.right>.right-contents>.right-contents-qrcode>.right-contents-qrcode-top {
    margin-top: 20%;
    text-align: center;
    font-size: 0.8vw;
    color: #999;
    font-weight: 600;
}
.right>.right-contents>.right-contents-qrcode>.right-contents-qrcode-img {
    margin-top: 15%;
}
.right>.right-contents>.right-contents-qrcode>.right-contents-qrcode-img>img {
    width: 55%;
    margin-left: 22.5%;
}
.right>.right-contents>.right-contents-qrcode>.right-contents-qrcode-bottom{
    font-size: 0.6vw;
    text-align: center;
    color: #000000;
    font-weight: 600;
}
.right>.right-footer{
    font-size: 0.85vw;
    line-height: 1.5vw;
    text-align: center;
    margin-top: 8%;
    color: #999;
}

/*适配分辨率：共通部分*/
@media screen and (max-width: 1024px) {
    body{
        overflow:auto;
    }
    .container {
        display: block;
    }
    .left {
        width: 100%;
    }
    .left>.left_div1 {
        width: 30%;
        margin-left: 3%;
        margin-top: 0%;
    }
    .left>.left_div2 {
        margin-top:0;
        margin-left: 0;
        text-align: center;
    }
    .left>.left_div3 {
        display: none;
    }
    .right {
        width: 100%;
    }
    .right>.right-contents>.right-contents-qrcode{
        display:none;
    }
    .right>.right-footer{
        margin-top:15%;
        margin-bottom:10%;
    }
}

/*适配分辨率：768-1024*/
@media screen and (max-width: 1024px) and (min-width:768px) {
    .left {
        height: 250px;
    }
    .left>.left_div1>img {
        width:150px;
    }
    .left>.left_div2>div>p:nth-of-type(1) {
        font-size: 50px;
    }
    .left>.left_div2>div>p:nth-of-type(2) {
        font-size: 25px;
    }
    .right>.right-contents>.right-contents-title {
        margin-top: 10%;
        font-size: 3.5vw;
    }
    .right>.right-contents .right-contents-form {
        font-size: 3vw;
    }
    .right>.right-contents .right-contents-form .form-item {
        height: 7vw;
        font-size: 2vw;
        margin-top: 3%;
    }
    .right>.right-contents .right-contents-form >.form-yzm > .form-yzm-img {
        top: 32%;
        right: 3%;
    }
    .right>.right-contents>.right-contents-loginbtn{
        margin-top: 3%;
    }
    .right>.right-contents>.right-contents-loginbtn>button{
        margin-top: 0;
        height: 7vw;
        font-size: 2vw;
    }
    .right>.right-contents>.right-contents-resetpwd{
        font-size: 2vw;
    }
    .right>.right-footer{
        font-size: 2vw;
        line-height: 3vw;
    }
}

/*适配分辨率：768以内*/
@media screen and (max-width: 767px) {
    .left {
        height: 150px;
    }
    .left>.left_div1>img {
        width:100px;
    }
    .left>.left_div2>div>p:nth-of-type(1) {
        font-size: 35px;
    }
    .left>.left_div2>div>p:nth-of-type(2) {
        font-size: 18px;
    }
    .right>.right-contents {
        width: 80%;
        margin-left: 10%;
    }
    .right>.right-contents>.right-contents-title {
        margin-top: 10%;
        font-size: 6vw;
    }
    .right>.right-contents .right-contents-form {
        font-size: 3vw;
    }
    .right>.right-contents .right-contents-form .form-item {
        height: 12vw;
        font-size: 4vw;
        margin-top: 5%;
    }
    .right>.right-contents .right-contents-form >.form-yzm > .form-yzm-img {
        top: 38%;
        right: 5%;
        padding-left:5%;
        height:50%;
        width:25%;
    }
    .right>.right-contents>.right-contents-loginbtn{
        margin-top: 5%;
    }
    .right>.right-contents>.right-contents-loginbtn>button{
        margin-top: 0;
        height: 12vw;
        font-size: 4vw;
    }
    .right>.right-contents>.right-contents-resetpwd{
        font-size: 3vw;
    }
    .right>.right-footer{
        font-size: 3vw;
        line-height: 5vw;
    }
}