@media only screen and (max-width: 1500px){
	.chenges{
    position: absolute;
    top: 2rem;
    left: 1.7rem;
    display: block;
    }
}
@media only screen and (max-width: 1250px) {
    .wrap {
        width: 90%;
    }

    .header .main-nav .logo {
        margin-right: 0.3rem;
    }

    .header .main-nav ul li a {
        margin-right: 0.18rem;
    }

    .header .main-nav ul li:last-child a {
        margin-right: 0;
    }
    .chenges{
    top: 2rem;
    left: 1.55rem;
    }
     .backbox{
	top: 30%;
	left: 22%;
   }
   .popup{  	
	left: 18%;
	top: 20%;
   }
}

@media only screen and (max-width: 1100px){
	 .chenges{
    top: 2rem;
    left: 1.2rem;
    }
    	
}
@media only screen and (max-width: 1024px){
	.paper {
    width: 75%;
   
}
.practice-choose {
    width: 20%;
    margin-right: 2%;
    }
   .put-box {
    padding-left: 30%;
} 
 .banbox{
 	width: 100%;
 }  
 .container .test-box ul {
    width: 98%;
    padding: 0 3%;
}
.banbox h3 {
    margin-left: 6%;
}
.container .test-box ul {
    width: 94%;
}
 .test-box {
    width: 94%;
}
.pagingbox {
    padding-left: 5%; 
    width: auto;
}
.test-box ul li .r-color {
    margin-left: 0.1rem;
}

}
@media only screen and (max-width: 1000px) {
    .header .login-success .username,
    .header .login-success .logout {
        font-size: 0;
        width: auto;
        margin-left: 0.1rem;
    }
    .chenges{
    top: 2rem;
    left: 1.2rem;
    }
  .pagingbox {
    padding-left: 0; 
}      
    
}

@media only screen and (max-width: 900px) {
    .container .index-top .login-form .content {
        padding: 0.2rem 0.1rem;
        display: none;
    }

    .container .index-top .notice .content {
        padding: 0 0.1rem 0.1rem;
    }

}

@media only screen and (max-width: 800px) {
    .wrap {
        width: 100%;
        overflow: hidden;
    }

    /*修改*/
    .chenges {
    	top: 1.2rem;
        left: 6.8rem;
    }

    .header .main-nav {
        overflow: inherit;
        height: auto;
    }

    .header .main-nav .btn-menu {
        display: block;
        float: left;
    }

    .header .main-nav .logo {
        margin: 0
    }

    .header .main-nav .logo img {
        width: 0;
        height: 0;
    }

    .header .main-nav ul {
        height: auto;
        padding: 0;
        margin-top: 0.1rem;
        width: 100%;
        border-bottom: 1px solid #eee;
        background-color: #fff;
        clear: both;
        display: none;
    }

    .header .main-nav ul li {
        float: none;
    }

    .header .main-nav ul li a {
        display: block;
        margin: 0;
        box-sizing: border-box;
        padding-left: 0.1rem;
        line-height: 0.3rem;
    }

    .header .main-nav ul li a:hover {
        background-color: #4095ce;
        color: #fff;
    }

    .header .main-nav .login-box,
    .header .main-nav .login-success {
        position: absolute;
        right: 0.1rem;
        top: 0;
    }

    .header .stu-nav {
        margin: 0 0 0.1rem 0;
    }

    .header .stu-nav ul li {
        margin: 0.1rem 0.08rem;
    }

    .header .stu-nav ul li a {
        font-size: 0.14rem;
    }

    .container .index-top {
        height: auto;
    }

    .container .index-top .login-form {
        display: none;
    }

    .container .index-top .login-success {
        width: 100%;
        padding: 0;
    }

    .container .index-top .login-success .content {
        height: auto;
        padding: 0.1rem;
    }

    .container .index-top .login-success .user-pic {
        width: 20%;
    }

    .container .index-top .login-success .user-text {
        width: 80%;
    }

    .container .index-top .login-success .user-text p {
        -webkit-line-clamp: 1;
    }

    .container .index-top .login-success .btns {
        margin: 0;
    }

    .container .index-top .contact {
        margin-top: 0.1rem;
    }

    .container .index-top .banner {
        width: 100%;
        height: auto;
    }

    .owl-carousel .owl-item img {
        height: auto;
    }

    .container .index-top .notice {
        width: 100%;
        margin-top: 0.1rem;
        padding: 0;
        height: 2rem;
        overflow: hidden;
    }

    .container .star .tab-body ul li {
        width: 100%;
        margin-bottom: 0.1rem;
    }

    .container .star .tab-body .star-pic img {
        height: 1.1rem;
    }

    .container .star .tab-body .star-info p {
        -webkit-line-clamp: 2;
    }

    .container .star .tab-body {
        margin-bottom: 0.1rem;
    }

    .container .stu-resource {
        margin-bottom: 0.1rem;
    }

    .container .stu-resource .weike,
    .container .stu-resource .activity {
        width: 100%;
        margin: 0 0 0.1rem 0;
    }

    .container .stu-resource .content {
        padding: 0.2rem 0.1rem;
    }

    .alert-box {
        position: fixed;
        box-sizing: border-box;
        width: 100%;
        height: 100%;
        top: 0;
        left: 0;
        margin: 0;
    }

    /*在线学习*/
    .container .study-box .stage {
        height: auto;
    }

    .study-box .position {
        padding-left: 0.1rem;
    }

    .study-box .stage .item {
        width: 100%;
        float: none;
        margin: 0 0.1rem;
        border-bottom: 0.01rem solid #eee;
    }

    .study-box .stage .name {
        border-bottom: 0.01rem solid #eee;
    }

    .study-box .stage .item .tool {
        position: static;
        border: 0;
    }

    .stage .item .tool .trigon-box {
        height: 0;
        width: 0;
    }

    .stage .item .tool ul li {
        height: 0.4rem;
    }

    .study-box .content {
        padding: 0.1rem;
        margin-bottom: 0.2rem;
    }

    .study-box .content .task .claim,
    .study-box .content .task .result {
        width: 100%;
        float: none;
        margin: 0 0 0.1rem 0;
    }

    .study-box .content .search .search-group {
        margin-bottom: 0.1rem;
    }

    .study-box .content .search .btn-search {
        float: left;
    }

    .study-box .content .search .btn-add {
        margin: 0;
        clear: both;
        float: none;
    }

    .study-box .content .search .btn-add a {
        width: 100%;
        display: block;
        padding: 0.05rem 0;
    }

    .study-box .content-list .label span {
        padding: 0.05rem 0.15rem;
        margin-right: 0.1rem;
    }

    .study-box .content-list .video-box ul li {
        width: 100%;
        height: auto;
        margin-bottom: 0.1rem;
        border-color: #ddd;
        box-shadow: 1px 1px 2px 1px #ececec;
    }

    .study-box .content-list ul li .video-pic {
        width: 40%;
        float: left;
        box-sizing: border-box;
    }

    .study-box .content-list .video-box ul li .video-pic img {
        height: 1.4rem;
    }

    .study-box .content-list ul li .video-info {
        width: 60%;
        float: left;
        box-sizing: border-box;
        margin-top: 0.05rem;
    }

    .study-box .content-list ul li .video-info a {
        margin-bottom: 0.65rem;
    }   
    /*course-player*/
    .course-player .position {
        padding-left: 0.05rem;
    }

    .course-player .video-box .title {
        padding-left: 0.05rem;
    }

    .course-player .player-tab .tab-head span {
        padding: 0 0.12rem;
        font-size: 0.16rem;
    }

    .course-player .player-tab .tab-body {
        padding: 0.1rem;
    }

    .course-comment .comment-list .user-pic {
        width: 0.5rem;
        height: 0.5rem;
    }

    .course-comment .comment-list .comment-text {
        padding-left: 0.6rem;
    }

    /*requirements*/
    .study-box .requirements .schedule {
        height: auto;
    }

    .study-box .requirements .schedule p {
        line-height: 0.3rem;
    }

    .study-box .requirements .item .stage-info {
        padding-left: 0.4rem;
        height: auto;
        overflow: hidden;
        
        position: relative;
    }
    .study-box .requirements .item .stage-info .stage-img{
    	background: #eee url(../img/锁开.png) no-repeat 0.1rem 0.1rem;
    	background-size: 0.35rem;
    }
    .study-box .requirements .item .stage-info p {
        font-size: 0.12rem;
        width: auto;
        float: none;
        line-height: 0.25rem;
    }

    .study-box .requirements .item .stage-info .switch {
        position: absolute;
        top: 0.1rem;
        right: 0.1rem;
    }

    /*资源上传*/
    .study-box .upload-file {
        margin-left: 0;
    }

    .study-box .upload-file .form-group input[type=text],
    .study-box .upload-file .form-group textarea {
        width: 95%;
    }

    .study-box .upload-file .form-group .select-box {
        margin-bottom: 0.1rem;
        display: block;
        padding-top: 0.1rem;
    }

    .study-box .upload-file .form-group .tips {
        margin-left: 0;
        display: block;
        margin-top: 0;
        clear: left;
        white-space: normal;
    }

    /*微课上传*/
    .study-box .upload-file .form-group .txt-r {
        width: auto;
    }

    .study-box .upload-file .form-group .upload-yq {
        padding-left: 0;
    }

    .study-box .upload-file .form-group input[type=button] {
        margin-right: 0.1rem;
        width: 1rem;
    }

    .study-box .upload-file .form-group .back {
        width: 1rem;
    }

    /*作业列表*/
    .study-box .stagetask-box .task-name p {
        padding: 0 0.1rem;
    }

    .study-box .stagetask-box .task-intro {
        padding: 0.1rem;
    }

    .study-box .stagetask-box .task-intro .claim {
        width: 100%;
        margin-bottom: 0.1rem;
        border-right: 0;
        padding-right: 0;
        border-bottom: 0.01rem solid #ddd;
    }

    .study-box .stagetask-box .task-intro .mine {
        width: 100%;
        padding: 0;
    }

    .study-box .stagetask-box .task-intro .mine .task-submit {
        margin: 0 auto;
        width: 100%;
    }

    .study-box .stagetask-box .task-intro .mine .btns a {
        margin: 0 10% 0 0;
        width: 45%;
        float: left;
        height: 0.34rem;
        line-height: 0.34rem;
    }

    .study-box .stagetask-box .task-intro .mine .btns a:last-child {
        margin: 0;
    }

    /*查看作业*/
    .show-content .position {
        padding-left: 0.05rem;
    }

    .show-content .task-intro {
        padding: 0.1rem;
    }

    .show-content .task-intro .author span {
        margin-right: 0.2rem;
        white-space: nowrap;
    }
    .show-content .task-intro .author span:last-child{
    	display: block;
    }
    .show-content .comment-box {
        padding: 0.1rem;
    }

    /*在线学习-资源*/
    .study-box .resource-box ul li .res-intro .star .com-number {
        font-size: 0.12rem;
    }

    .study-box .resource-box ul li .res-intro .edit {
        margin-top: 0.05rem;
        width: 0.4rem;
    }

    /*发布话题*/
    .study-box .upload-file .tab-head .label span {
        padding: 0.05rem 0.15rem;
        margin-right: 0.1rem;
    }

    .upload-file .tab-body .form-group .video-mode {
        width: 100%;
    }

    .upload-file .form-group input[type=url] {
        width: 95%;
        padding: 0.06rem;
        border: 0.01rem solid #999;
        outline: none;
    }

    /*activity*/
    .study-box .activity-box ul li {
        width: 100%;
        margin-right: 0;
        margin-bottom: 0.1rem;
    }

    /*show activity*/
    .show-content .activity {
        padding: 0.1rem;
    }

    .show-content .activity .act-top .act-pic {
        display: none;
    }

    .show-content .activity .act-top .act-text {
        width: 100%;
        padding-left: 0;
    }

    .show-content .activity .act-top .act-text .float-r {
        float: none;
        display: block;
        margin: 0.05rem 0;
    }

    .show-content .activity .act-main {
        padding: 0;
        border: 0;
    }

    .show-content .activity .act-top{
        border-bottom: 0.01rem solid #ddd;
        margin-bottom: 0.1rem;
    }

    .show-content .activity .act-main .box {
        display: block;
        margin-bottom: 0.1rem;
    }

    .show-content .activity .act-main .box > span {
        display: block;
        margin-bottom: 0.1rem;
    }

    .show-content .activity .act-main .box .content {
        display: block;
    }

    .show-content .activity .act-main .box .content .step-l {
        display: block;
        padding-right: 0;
        border: 0;
    }

    .show-content .activity .act-main .box .content .step-r {
        display: block;
        width: 100%;
        padding-left: 0;
    }

    /*activity detail*/

    .container .activity .act-box{
        margin-bottom: 0rem;
    }

    .act-box .nav {
        width: 100%;
        float: none;
        margin-bottom: 0.1rem;
        border: 0;
    }

    .act-box .nav .title a{
        display: inline-block;
        margin:0.05rem 0;
        font-size: 0.14rem;
        padding: 0.05rem 0.1rem;
        border: 0.01rem solid #ddd;
        border-radius: 0.03rem;
        color: #fff;
        height: auto;
        line-height: inherit;
        background-color: #06c;
    }

    .act-box .nav .title .mobile-menu{
        display: block;
    }

    .act-box .nav ul{
        display: none;
    }

    .act-box .content{
        margin-left: 0;
        border: 0;
        padding: 0;
        min-height: auto;
    }

    .act-box .content .list-box .tab-head span{
        width: auto;
        padding: 0 0.12rem;
    }

    .act-box .content .list-box .tab-head a{
        width: 0.8rem;
    }

    .act-box .content .list-box .tab-body ul li{
        margin-top: 0.1rem;
    }

    /*activity task*/
    .act-box .content .list-box .task-name p {
        padding: 0 0.1rem;
    }

    .act-box .content .list-box .task-intro {
        padding: 0.1rem;
    }

    .act-box .content .list-box .task-intro .claim {
        width: 100%;
        margin-bottom: 0.1rem;
        border-right: 0;
        padding-right: 0;
        border-bottom: 0.01rem solid #ddd;
    }

    .act-box .content .list-box .task-intro .mine {
        width: 100%;
        padding: 0;
    }

    .act-box .content .list-box .task-intro .mine .task-submit {
        margin: 0 auto;
        width: 100%;
    }

    .act-box .content .list-box .task-intro .mine .btns a {
        margin: 0 10% 0 0;
        width: 45%;
        float: left;
        height: 0.34rem;
        line-height: 0.34rem;
    }

    .act-box .content .list-box .task-intro .mine .btns a:last-child {
        margin: 0;
    }

    /*activity weike*/
    .act-box .tab-body .act-weike ul li{
        width: 100%;
        height: auto;
        border-color: #ddd;
        box-shadow: 1px 1px 2px 1px #ececec;
    }

    .act-box .tab-body .act-weike .video-pic{
        width: 40%;
        float: left;
        box-sizing: border-box;
    }

    .act-box .tab-body .act-weike .video-pic img {
        height: 0.8rem;
    }

    .act-box .tab-body .act-weike .video-info {
        width: 60%;
        float: left;
        box-sizing: border-box;
        margin-top: 0.05rem;
    }

    .act-box .tab-body .act-weike .video-info a {
        margin-bottom: 0.15rem;
    }


    .study-box .upload-file {
        margin-left: 0;
    }

    .study-box .upload-file .form-group input[type=text],
    .study-box .upload-file .form-group textarea {
        width: 95%;
    }

    .study-box .upload-file .form-group .select-box {
        margin-bottom: 0.1rem;
        display: block;
        padding-top: 0.1rem;
    }

    .study-box .upload-file .form-group .tips {
        margin-left: 0;
        display: block;
        margin-top: 0;
        clear: left;
        white-space: normal;
    }

    /*activity upload file*/
    .act-box .content .upload-file{
        margin-left: 0;
        min-height: inherit;
    }

    .act-box .content .upload-file .form-group .txt-r {
        width: auto;
    }

    .act-box .content .upload-file .form-group .upload-yq {
        padding-left: 0;
    }

    .act-box .content .upload-file .form-group input[type=button] {
        margin-right: 0.1rem;
        width: 1rem;
    }

    .act-box .content .upload-file .form-group .back {
        width: 1rem;
    }

    .act-box  .content .upload-file .form-group input[type=text],
    .act-box  .content .upload-file .form-group textarea{
        width: 95%;
    }

    .act-box .content .upload-file .tab-head .label span{
        padding: 0.05rem 0.15rem;
        margin-right: 0.1rem;
    }

    .act-box .content .upload-file .form-group .select-box {
        margin-bottom: 0.1rem;
        display: block;
        padding-top: 0.1rem;
    }

    .act-box .content .upload-file .form-group .tips{
        margin-left: 0;
        display: block;
        margin-top: 0;
        clear: left;
        white-space: normal;
    }
    .practice-choose button {
    padding: 0.05rem 0.41rem;
    }
    .practice-choose label {
    padding: 0.06rem 0.25rem;
    }
    .put-box {
    padding-left: 10%;
}
.buts ,.overturn button{
    margin-top: 0rem; 
}
.c-lis-box{
	width: 90%;
}
.test-box {
    width: 92%;
}
}

@media only screen and (max-width: 425px){
.backbox{
	top: 30%;
	left: 3%;
   }
   .popup{ 
   	width: 4rem;
	left: 3%;
	top: 20%;
   }
   .worn {
   	padding-left: 1.8rem;
   }
   .worn span{
   	padding-right: 1.3rem;
   }
    .worn img{
	padding-left: 0;
}
.po-count{
	padding-left: 0.2rem;
	padding-top: 0.12rem;
}
.po-count p{
	width: 2.6rem;
	margin-top: 0.2rem;
	margin-bottom: 0.01rem;
	font-size: 0.16rem;
}
.po-count img{
	width: 0.7rem;
	vertical-align: top;
	margin-top: 0.13rem;
}
.but-box{
	margin-top: 0.1rem;
	margin-left: 2.4rem;
}
.but-box a{
	padding: 0 0.15rem;
	font-size: 0.17rem;
}  
.backbox span{
	top:0.6rem;
	font-size: 0.16rem;
}
}
@media only screen and (max-width: 420px){
	.chenges{
    position: absolute;
    top: 0.65rem;
    left: 3.4rem;
    display: block;
    }
    .study-box .content-list ul li .video-info a {
        margin-bottom: 0.15rem;
    } 
    .study-box .content-list .video-box ul li .video-pic img {
        height: 0.9rem;
    }
   .backbox{
	width: 3.2rem;	
	top: 55%;
	left: 7%;
   }
   .popup{
	left: 5%;
	top: 20%;
	width: 3.4rem;
	height: 2rem;
   }
   .worn{
	line-height: 0.45rem;
	padding-left: 1.4rem;
}
   .worn span{
	padding-right: 1.2rem;
}
 .worn img{
	padding-left: 0;
}
.po-count{
	padding-left: 0.2rem;
	padding-top: 0.12rem;
}
.po-count p{
	width: 1.8rem;
	margin-top: 0.01rem;
	margin-bottom: 0.01rem;
	font-size: 0.16rem;
}
.po-count img{
	width: 0.8rem;
	vertical-align: top;
}
.but-box{
	margin-left: 1.9rem;
}
.but-box a{
	padding: 0 0.13rem;
	font-size: 0.17rem;
}  
.backbox span{
	top:0.4rem;
}

.backbox{
	top: 30%;
	left: 11%;
   }
   .popup{  	
	left: 9%;
	top: 20%;
   }
   .times .put-paper{
   	display: block;
   }
   .put-paper{
   	border: none;
    border-radius: 0.05rem;
    padding: 0rem 0.1rem;
    color: #FFFFFF;
    background-color: #f0ad4e;
    margin-bottom: 0.2rem;
   }
   .put-box {
    padding-left: 0;
    }
    .practice-choose {
    width: 90%;
    margin-right: 2%;
    }
    .paper {
    width: 100%;
}
.practice-choose ul li{
	color: #FFFFFF;
	margin-top: 0.2rem;
}
.practice-choose button {
    border: none;
    border-radius: 0.05rem;
    padding: 0.05rem 0.25rem;
    color: #FFFFFF;
    background-color: #f0ad4e;
    margin-top: 0.2rem;
    margin-left: 1rem;
}
.put-box{
	width: 380px;
}
.abbr {
	margin-right: 0.3rem;
}
.banbox p {
    margin: 0;
    line-height: 0.1rem;
    /* padding: 0 0.3rem; */
}
.d-choice {
    width: 45%;
    margin-right: 0.1rem;
    text-align: center;
}
.banbox, .test-box{
	width: auto;
}

}
@media only screen and (max-width: 375px){
.chenges{
    position: absolute;
    top: 0.67rem;
    left: 3rem;
    display: block;
    }
    .backbox{	
	top: 30%;
	left: 7%;
   }
   .popup{  	
	left: 5%;
	top: 20%;
	height: 2rem;
   }
.paper {
    width: 100%;
}
body {
    min-width: 375px;
}
.cbox img {
    width: 350px;
}
.put-box {
    width: 350px;
}
}
@media only screen and (max-width: 360px) {
   .login-success a {
        font-size: 0;
    }

    /*course-player*/
    .course-player .player-tab .tab-head span {
        padding: 0 0.1rem;
        font-size: 0.14rem;
    }

    .act-box .content .list-box .tab-head span{
        padding: 0 0.08rem;
    }

    .act-box .content .list-box .tab-head a{
        width: 0.7rem;
    }
   .chenges{
    position: absolute;
    top: 0.67rem;
    left: 2.9rem;
    display: block;
    }
   /* 弹出验证框代码*/
       .backbox{
	width: 2.8rem;	
	top: 30%;
	left: 11%;
   }
   .popup{
	left: 10%;
	top: 20%;
	width: 2.9rem;
	height: 1.7rem;
   }
   .worn{
	line-height: 0.3rem;
	padding-left: 1.2rem;
	padding-right: 0.2rem;
}
.worn span{
	padding-right: 0.8rem;
}
  .worn img{
	padding-left: 0;
}
.po-count{
	padding-left: 0.2rem;
	padding-top: 0.12rem;
}
.po-count p{
	width: 1.8rem;
	margin-top: 0.01rem;
	margin-bottom: 0.05rem;
	font-size: 0.16rem;
}
.po-count img{
	width: 0.5rem;
	vertical-align: top;
	margin-top: 0.13rem;
}
.but-box{
	margin-left: 1.5rem;
}
.but-box a{
	padding: 0 0.13rem;
	font-size: 0.17rem;
}  
.backbox span{
	top:0.5rem;
	font-size: 0.16rem;
}
     /* 弹出验证框代码*/  
  body {
    min-width: 360px;
}  
   .cbox img {
    width: 300px;
} 
.banbox {
    width: 90%;
}
.put-box {
    width: 320px;
}
.buts, .overturn button{
	margin:0.15rem 0 0.1rem 0rem ;
}
}
@media only screen and (max-width: 320px){
.chenges{
    position: absolute;
    top: 0.67rem;
    left: 2.5rem;
    display: block;
    }
    .backbox{
	width: 2.8rem;	
	top: 30%;
	left: 7%;
   }
   .popup{
   	
	left: 5%;
	top: 20%;
	width: 2.9rem;
	height: 1.7rem;
   }
   .show-content .task-intro .author span {
        margin-right: 0.1rem;
        white-space: nowrap;
    }
        body {
        min-width: 320px;
    }
    
    .put-paper {
    position: absolute;
    right: 0.3rem;
    top: 0.9rem;
}
.put-box {
    width: 300px;
    text-align: left;
}
.buts, .overturn button{
	margin:0.15rem 0 0.1rem 0rem ;
}
.practice-choose button{
	    margin-top: 0.18rem;
    margin-left: 0.35rem;
}
.c-lis-box {
    width: 96%;
}
.banbox{
	margin-left: 0;
}
.banbox p{
	    width: 320px;
    padding: 0;
}
.container .test-box ul li a {

    width: 0.45rem;

}
}