@charset "utf-8";
/* 禁用iPhone中Safari的字号自动调整 */
html {
    -webkit-text-size-adjust: 100%;
    -ms-text-size-adjust: 100%;	
}
/* 去除iPhone中默认的input样式 */
/* input,.btn{-webkit-appearance:none;   resize: none;} */
/* 取消链接高亮  */
body,div,ul,li,ol,h1,h2,h3,h4,h5,h6,input,textarea,select,p,dl,dt,dd,a,img,button,form,table,th,tr,td,tbody,article, 
aside, details,figcaption,figure,footer,header,hgroup, menu,nav,section{ -webkit-tap-highlight-color:rgba(0, 0, 0, 0); 
	font-family: "Microsoft YaHei";}
/* 设置HTML5元素为块 */
article, aside, details,figcaption,figure,footer,header,hgroup, menu,nav,section {
display: block;
}
/* 图片自适应 */
img {
    max-width: 100%;
    height: auto;
    width:auto\9; /* ie8 */
    -ms-interpolation-mode:bicubic;/*为了照顾ie图片缩放失真*/
}
*:focus {
    outline:none;
}
/* 清零 */
body,div,ul,li,ol,h1,h2,h3,h4,h5,h6,textarea,select,p,dl,dt,dd,a,img,button,form,table,th,tr,td,tbody,article, 
aside, details,figcaption,figure,footer,header,hgroup, menu,nav,section{margin:0; padding:0; border:none;}
body{font-family:"Microsoft YaHei", "Hiragino Sans GB", tahoma, sans-serif; color:#555; }
em,i{font-style:normal;}
strong{font-weight: normal;}
.clearfix:after{content:""; display:block; visibility:hidden; height:0; clear:both;}
.clearfix{zoom:1;}
a{text-decoration:none; color:#333; font-family:"Microsoft YaHei", "Hiragino Sans GB", tahoma, sans-serif;}
a:hover{color:#333; text-decoration:none;}

ul,ol,li{list-style:none;}
h1,h2,h3,h4,h5,h6{ font-size:100%; font-weight: normal; font-family:"Microsoft YaHei", "Hiragino Sans GB", tahoma, sans-serif;}
fieldset,img{border: none;}
table {
    border-collapse:collapse;
    border-spacing:0;
}
caption, th {
    text-align:left;
}
q:before,
q:after {
    content:"";
}
input:password {
    ime-mode:disabled;
}



*{box-sizing:border-box;}
body{
	background: #fafafa;
	font-size: 14px;
    font-family: "Microsoft YaHei", "Hiragino Sans GB", tahoma, sans-serif;
}
img{display: block;}
a{  
    width: 100%;
    height: 100%;
    display: block;
}
.area_in{
    width: 1200px;
    margin: 0 auto;
}




/* header */
.header{
    width: 100%;
    min-width: 1200px;
    height: 80px;
    background: #171717;
}
.header_in{
    width: 1400px;
    height: 80px;
    margin: 0 auto;
}
.logo{
    width: 208px;
    height: 80px;
    background: url(../img/logo.png) no-repeat left center;
    float: left;
}
.login h1{
    height: 80px;
}
.logo a{
    height: 80px;
    text-indent: -9999px;
    overflow: hidden;
}
.nav{
    width: 600px;
    height: 80px;
    float: left;
}
.nav li{
    width: 100px;
    height: 80px;
    font-size: 16px;
    color: #fff;
    text-align: center;
    line-height: 80px;
    float: left;
}
.nav li:hover{
    background: #0b0b0b;
}
.nav a{
    color: #fff;
}
.nav a:hover{
    color: #fff;
}
.login_in{
    width: 180px;
    height: 80px;
    padding: 24px 0 0 30px ;
    float: right;
    position: relative;
}
.login_in div{
    width: 60px;
    height: 32px;
    border-radius: 16px;
    text-align: center;
    line-height: 32px;
    color: #fff;
    font-size: 14px;
    background: #454545;
    cursor: pointer;
    margin-left: 15px;
    float: left;
}
.login_in .denglu{
    background: #ff3d3d;
}
.login_in .denglu:hover{
    background: #ce0808;
}
.login_in .zhuce:hover{
    background: #2f2f2f;
}
.login_in .user_pic{
    width: 100%;
    height: 100%;
    background: none;
    margin: 0;
    position: relative;
}
.login_in img{
    width: 50px;
    height: 50px;
    border-radius: 50%;
    border:  1px #333 solid;
    margin: -10px 0 0 20px;
}
.login_in ul{
    width: 140px;
    height: 90px;
    border-radius: 5px;
    background: #fff;
    border: 1px #eee solid;
    position: absolute;
    left: -23px;
    top: 53px;
    z-index: 99999;
    display: none;
}
.login_in ul li{
    width: 100%;
    height: 30px;
    line-height: 30px;
    text-align: center;
    color: #676767;
    border-bottom: 1px #eee solid;
    cursor: pointer;
}
.login_in ul li:last-child{
    border: none;
}
.login_in ul li:hover{
    background: #eee;
}
.login_in ul .user_name{
    width: 142px;
    color: #fff;
    font-weight: bold;
    background: #ff3d3d;
    border-radius: 5px 5px 0 0;
    border: none;
    margin: -1px 0 0 -1px;
}
.login_in ul .user_name:hover{
    background: #ff3d3d;
}
.login_in ul .ul_arrow{
    width: 14px;
    height: 7px;
    background: url(../img/ul_arrow.png) no-repeat;
    border: none;
    position: absolute;
    top: -7px;
    left: 50%;
    margin-left: -7px;
}
.login_in ul a{
    width: 83px;
    height: 30px;
    font-size: 12px;
    display: inline-block;
    background: url(../img/user_center.png) no-repeat 2px center;
    padding-left: 15px;
}
.login_in ul li:last-child a{
    background: url(../img/logout.png) no-repeat 2px center;
}
.search{
    width: 240px;
    height: 32px;
    margin-top: 24px;
    background: #2f2f2f;
    border-radius: 16px;
    float:right;
}
.search input{
    width: 210px;
    height: 32px;
    color: #fff;
    font-size: 14px;
    line-height: 32px;
    background: #2f2f2f;
    padding-left: 20px;
    border-radius: 16px;
    float: left;
    border: none;
}
::-webkit-input-placeholder { /* WebKit browsers */ 
    color: #ccc; 
} 
:-moz-placeholder { /* Mozilla Firefox 4 to 18 */ 
    color: #ccc; 
} 
::-moz-placeholder { /* Mozilla Firefox 19+ */ 
    color: #ccc; 
} 
:-ms-input-placeholder { /* Internet Explorer 10+ */ 
    color: #ccc; 
} 

.search_icon{
    width: 30px;
    height: 32px;
    display: block;
    background: url(../img/search.png) no-repeat left center;
    float: left;
}
@media screen and (max-width:1400px){
    .header_in{ width: 1200px; }
    .logo{ width: 150px; }
}


/* 登录框 */
.login{
    background: rgba(0,0,0,.7);
    position: fixed;
    left: 0;
    top: 0;
    z-index: 99999;
    display: none;
}
.login_box{
    width: 360px;
    height: 350px;
    background: #fff;
    padding-bottom: 36px;
    position: fixed;
    left: 50%;
    top: 50%;
    transform: translate(-50%,-50%);
    
}
.login_box .login_tab{
    width: 300px;
    height: 60px;
    border-bottom: 1px #ccc solid;
    margin: 0 auto;
}
.login_box .login_tab li{
    width: 150px;
    height: 60px;
    line-height: 60px;
    font-size: 20px;
    color: #000;
    text-align: center;
    float: left;
    cursor: pointer;
}
.login_box .login_tab li.current{
    color: #ff3d3d;
    border-bottom: 1px #ff3d3d solid;
}
.login_box .login_b{
    width: 360px;
    height: 255px;
    position: relative;
    overflow: hidden;
}
.login_box .login_b li{
    padding-top: 15px;
    position: absolute;
    left: 30px;
    top: 0;
    display: none;
}
.login_box .login_b li.current{
    display: block;
}
.login_box input{
    width: 300px;
    height: 40px;
    line-height: 40px;
    font-size: 14px;
    border: 1px #ddd solid;
    padding-left: 10px;
    margin-top: 25px;
}
.field-validation-error,.field-validation-valid{
    font-size: 12px;
    color: #ff3d3d;
    position: absolute;
}
.login_box .find{
    width: 300px;
    font-size: 14px;
    color: #393939;
    text-align: right;
    margin: 15px 0 25px 0;
    cursor: pointer;
}
.login_box .find:hover{
    color: #ff3d3d;
}
.login_box button{
    width: 300px;
    height: 50px;
    text-align: center;
    line-height: 50px;
    color: #fff;
    font-size: 18px;
    letter-spacing: 3px;
    background: #ff3d3d;
    margin-top: 0;
    cursor: pointer;
}
.login_box button:hover{
    background: #ce0808;
}
.login_box .zhuce{
    position: relative;
}
.login_box .zhuce button{
    margin-top: 59px;
}
.login_box .zhuce .zhuceok{
    width: 300px;
    text-align: center;
    font-size: 19px;
    color: #393939;
    position: absolute;
    left: 0;
    top: 0;
}
.login_box .zhuceok{
    display: none;
}
.login_box .zhuceok img{
    margin: 45px auto 25px;
}
.login_box .btn_box div{
    width: 145px;
    height: 50px;
    text-align: center;
    color: #fff;
    line-height: 50px;
    font-size: 16px;
    background: #ff3d3d;
    float: left;
    margin-top: 50px;
    cursor: pointer;
}
.login_box .btn_box .yes a{
    color: #fff;
}
.login_box .btn_box .no{
    width: 125px;
    height: 50px;
    background: #fff;
    color: #393939;
    border: 1px solid #ddd;
    margin-left: 25px;
}
.login_box .close{
    width: 11px;
    height: 11px;
    background: url(../img/close.png) no-repeat;
    display: block;
    position: absolute;
    right: 7px;
    top: 7px;
    cursor: pointer;
}
.find_box{
    width: 360px;
    background: #fff;
    padding: 0 29px;
    position: absolute;
    left: 0;
    top: 0;
    display: none;
}
.find_box h5{
    font-size: 20px;
    color: #ff3d3d;
    text-align: center;
    line-height: 60px;
    border-bottom: 1px #ff3d3d solid;
}
.find_box input{
    margin-top: 38px;
}
.find_box input[type="submit"]{
    height: 50px;
    font-size: 18px;
    color: #fff;
    background: #ff3d3d;
    margin-top: 36px;
    cursor: pointer;
}
.find_box input[type="submit"]:hover{
    background: #ce0808;
}
.find_box .verification_code{
    width: 300px;
    height: 40px;
    margin-top: 22px;
}
.find_box .verification_code input{
    width: 150px;
    float: left;
    margin: 0;
}
.find_box .verification_code img{
    width: 90px;
    height: 40px;
    margin:0 12px;
    float: left;
    cursor: pointer;
}
.find_box .verification_code span{
    width: 25px;
    height: 40px;
    background: url(../img/refresh.png) no-repeat left center;
    float: left;
    cursor: pointer;
}
.find_box .send_email{
    text-align: center;
}
.find_box .send_email img{
    width:128px;
    height:46px; 
    display: block;
    margin: 30px auto 28px;
}
.find_box .send_email p{
    font-size: 13px;
    color: #b5b5b5;
}
.find_box .send_email .send_email_p{
    font-size: 16px;
    color: #595959;
    margin-bottom: 5px;
}
.find_box .send_email .find_email{
    color: #ff3d3d;
}
.find_box .send_email .find_yes{
    width: 300px;
    height: 50px;
    line-height: 50px;
    background: #ff3d3d;
    color: #fff;
    font-size: 18px;
    margin-top: 35px;
    cursor: pointer;
}
.find_box .send_email .find_yes:hover{
    background: #ce0808;
}
.find_box .send_email .find_yes a{
}
.find_box .reset_form .valid2{
    margin-top: 22px;
}
.find_box .reset_form #reset_sub{
    margin-top: 35px;
}
.find_box .reset_ok{
    width: 300px;
    left: 30px;
}
.find_box .reset_ok img{
    margin: 35px auto 28px;
}
.find_box .reset_ok p{
    font-size: 16px;
    color: #393939;
    text-align: center;
}
.find_box .reset_ok p span{
    color: #ff3d3d;
}
.find_box .reset_ok a{
    width: 145px;
    height: 50px;
    font-size: 16px;
    line-height: 50px;
    text-align: center;
    color: #fff;
    background: #ff3d3d;
    margin: 30px auto 0;
}
.find_box form{
    background: #fff;
    position: absolute;
    left: 30px;
    top: 0;
    display: none;
}
.find_box form.current{
    display: block;
}
.find_box>div{
    background: #fff;
    position: absolute;
    left: 30px;
    top: 0;
    display: none;
}
.find_box>div.current{
    display: block;
}
.find_box .email_ver_code p{
    font-size: 20px;
    text-align: center;
    margin: 40px 0 25px 0;
}
.find_box .email_ver_code input{
    width: 160px;
    display: block;
    margin: 0 auto 45px;
}












/* 课程块 */
.course_in{
    width: 220px;
    height: 215px;
    background: #fff;
    border: 1px #ebebeb solid;
    margin-right: 25px;
    float: left;
}
.course_in:hover{
    box-shadow: 2px 2px 10px #ccc;
}
.course_in a{
    position: relative;
}
.course_img{
    width: 220px;
    height: 150px;
}
.course_in .pic_hov{
    width: 218px;
    height: 150px;
    background: rgba(0,0,0,.3);
    position: absolute;
    left: 0;
    top: 0;
    display: none;
}

.course_title{
    font-size: 16px;
    line-height: 30px;
    padding-left: 10px;
    margin-top: 6px;
}
.course_title:hover{
    color: #ff3d3d;
}
.course_teacher{
    font-size: 12px;
    color: #777;
    padding-left: 10px;
}
.course_money{
    color: #ff3b3b;
    font-size: 18px;
    line-height: 18px;
    position: absolute;
    right: 8px;
    bottom: 10px;
}


/* footer */
.footer{
    min-width: 1200px;
    height: 320px;
    background: #171717;
}
.footer ul{
    height: 254px;
    padding:50px 0 0 0;
}
.footer li{
    width: 130px;
    float: left;
}
.footer p{
    color: #777;
    font-size: 14px;
    line-height: 30px;
}
p.footer_t{
    font-size: 16px;
    /* font-weight: bold; */
    color: #fff;
    margin-bottom: 7px;
}
.footer .footer_email,.footer .footer_tel{
    line-height: 38px;
    padding-left: 30px;
    position: relative;
}
.footer_email span{
    width: 21px;
    height: 14px;
    background: url(../img/footer_email.png) no-repeat;
    display: inline-block;
    position: absolute;
    left: 0;
    top: 11px;
}
.footer_tel span{
    width: 18px;
    height: 23px;
    background: url(../img/footer_tel.png) no-repeat;
    display: inline-block;
    position: absolute;
    left: 0;
    top: 8px;
}
.footer .contact_us{
    margin-left: 233px;
}
.footer_b{
    height: 65px;
    background: #000;
}
.footer_b a{
    width: 100px;
    font-size: 16px;
    color: #fff;
    line-height: 65px;
    display: inline;
    margin-right: 10px;
    cursor: pointer;
    float: left;
}
.footer_b a:first-child{
    width: 142px;
    margin-right: 50px;
}
.footer_b .area_in{
    height: 65px;
}
.footer_b_right{
    width: 185px;
    margin-top: 20px;
    position: relative;
    float: right;
}
.footer_b_right .back{
    width: 30px;
    height: 30px;
    background: url(../img/back.png) no-repeat;
    display: inline-block;
    position: absolute;
    right: 0;
    top: -1px;
    cursor: pointer;
}


.sidebar div{
    position: fixed;
    right: -70px;
    width: 115px;
    height: 45px;
    line-height: 45px;
    text-align: center;
    border: 1px #ccc solid;
    padding-left: 40px;
    margin-bottom: 7px;
    cursor: pointer;
}
.sidebar div.sidebar_weixin{
    padding: 0;
}
.sidebar .sidebar_weixin .small{
    background: url(../img/sidebar_weixin.png) no-repeat #ff3d3d left center;
    border-color: #ff3d3d;
    bottom: 350px;
    padding: 0;
}
.sidebar .sidebar_weixin .big{
    width: 115px;
    height: 160px;
    border: none;
    background: #ff3d3d;
    color: #fff;
    padding: 0;
    right: 0;
    bottom: 350px;
    display: none;
}
.sidebar .sidebar_weixin .big img{
    width: 115px;
    height: 115px;

}
.sidebar .sidebar_feed{
    background: url(../img/sidebar_feed.png) no-repeat #ececec left center;
    bottom: 300px;
}
.sidebar .sidebar_zixun{
    background: url(../img/sidebar_zixun.png) no-repeat #ececec left center;
    bottom: 250px;
}
.sidebar .sidebar_back{
    background: url(../img/sidebar_back.png) no-repeat #ececec left center;
    bottom: 200px;
}