@charset "utf-8";
/* CSS Document */

/*公共*/
html, body, div, span, applet, object, iframe,
h1, h2, h3, h4, h5, h6, p, blockquote, pre,
a, abbr, acronym, address, big, cite, code,
del, dfn, em, img, ins, kbd, q, s, samp,
small, strike, strong, sub, sup, tt, var,
b, u, i, center,
dl, dt, dd, ol, ul, li,
fieldset, form, label, legend,
table, caption, tbody, tfoot, thead, tr, th, td,
article, aside, canvas, details, embed,
figure, figcaption, footer, header,
menu, nav, output, ruby, section, summary,
time, mark, audio, video {
    margin: 0;
    padding: 0;
    border: 0;
    font-size: 100%;
    font: inherit;
    vertical-align: baseline;
    font-family: arial,"Lantinghei SC","Microsoft Yahei";
}
/* HTML5 display-role reset for older browsers */
article, aside, details, figcaption, figure,
footer, header, menu, nav, section, main {
    display: block;
}
ul,li,ol{ list-style:none;}
dl,dd{ margin:auto;}

.am-btn {font-size:12px ;}

html{
    width:100%;
    height: 100%;
}
body{
    margin:0;
    padding:0;
    width:100%;
    font-size:16px;
    height: 100%;
    /*background-color: rgba(25,32,37,0.9);*/
    background-color: rgb(25,32,37);
    border-radius: 10px;
    position: relative;
    font-family: arial,"Lantinghei SC","Microsoft Yahei";
}


a:link,a:visited,a:hover{text-decoration:none; outline:none;}
/*所有超链接不要下划线*/

*, *:after, *:before{
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    -o-box-sizing: border-box;
    box-sizing: border-box; }
/*任何标签、包括它前面、后面生成的内容都不要影响盒子的边框*/

.clear{ clear:both}

img, input {
    vertical-align: middle;}
a {
    color: #000;
    text-decoration: none;
}
.shang{
    z-index: -1;
    position: absolute;
    right: 0;
    top: 0;
}
.di{
    width: 100%;
    position: absolute;
    bottom: 0;
}
header{
    width: 100%;
    padding-top: 56px;
    padding-left: 60px;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 12;
    overflow: hidden;
}
header>img{
    float: left;
}
header .lt{
    float: left;
    margin-left: 20px;
}
header .lt p:first-child{
    color: #ffffff;
    font-size: 18px;
    margin-top: 5px;
  }
header .lt p:last-child{
    color: #ffffff;
    font-size: 15px;
    margin-top: 5px;
    color: #cccccc;
}
.rt{
    float: right;
    width: 109px;
    height: 36px;
    margin-right: 48px;
    background-color: rgba(0,0,0,0.3);
    border-radius: 18px;
    text-align: center;
    font-family: HiraginoSansGB-W3;
    font-size: 15px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 36px;
    color: #10c4ee;
    vertical-align: middle;
    overflow: hidden;
    cursor: pointer;
}
.rt img{
    margin-top: -3px;
}
/*帮助样式*/
.bz{
    width: 932px;
    height: 650px;
    position: absolute;
    left: 50%;
    top:15%;
    margin-left: -466px;
    border-radius: 5px;
    background: #ffffff;
    color: #333333;
    text-align: center;
    display: none;
    z-index: 22;
}
.bz .gb{
    position: absolute;
    right: 36px;
    top: 35px;
    cursor: pointer;
}
.bz .bz-tp{
    margin-top: 50px;
    font-size: 24px;
}
.bz>div{
    width: 100%;
    height: 520px;
    padding: 0 3%;
    overflow-y: scroll;
    margin: 0 auto;
    margin-top: 20px;
}
.bz>div::-webkit-scrollbar { /*外层轨道*/
    width:3px;
    height:2px;
    background:#ccc;
    border-radius:5px;
}
.bz>div::-webkit-scrollbar-thumb{/*内层轨道*/
    display:block;
    width:2px;
    margin:0 auto;
    border-radius: 5px;
    background:rgba(43,161,244,0.6);
}
.bz>div:focus {
    border-color:#2BA1F4;
    outline: #ffffff auto 0;
}
.bz>div>div{
    width: 50%;
    height:425px;
    margin-bottom: 50px;
    float: left;
}
.bz>div>div h4{
    text-align: left;
    font-size: 15px;
    color: #333333;
    padding-left: 7%;
    margin-bottom: 20px;
}
.bz>div>div img{
    width: 85%;
}

/*arbangzhu*/
.arbz{
    width: 932px;
    position: absolute;
    left: 50%;
    top:15%;
    margin-left: -466px;
    border-radius: 5px;
    background: #ffffff;
    color: #333333;
    text-align: center;
    display: none;
    z-index: 22;
}
.arbz .arbzImg{
    width: 100%;
    border-radius: 5px;
}
.arbz .arbzgb{
    position: absolute;
    right: 36px;
    top: 35px;
    cursor: pointer;
}

.content{
    width: 850px;
    margin: 0 auto;
    padding-top:240px;
    overflow: hidden;
}
.content .sj{
    float: left;
    width: 20.5%;
    margin-top: 130px;
}
/*二维码样式*/
.content .erweima{
    float: left;
    width: 40%;
    margin-left: 8%;
    background: #ffffff;
    height: 476px;
    background-blend-mode: normal, normal;
    border-radius: 10px;
    position: relative;
}
.content .erweima .p1{
    text-align: center;
    font-size: 22px;
    font-weight: 600;
    margin-top: 50px;
    letter-spacing: 1px;
    color: #333333;
}
.content .erweima #code{
    display:block;
    margin: 50px auto;
    width: 200px;
    height: 200px;
    margin-bottom: 40px;
}
.erweima .mask{
    position: absolute;
    top: 129px;
    left: 50%;
    width: 200px;
    height: 200px;
    background: rgba(240,240,240,0.9);
    margin-left: -100px;
    text-align: center;
    display: none;
}
.erweima .mask p{
    font-size: 14px;
    color: #333333;
    margin: 50px 0 16px;
}
.erweima .mask a{
    width: 104px;
    display: block;
    color: #fff;
    font-size: 15px;
    background-color: #10C4EE;
    text-decoration: none;
    text-align: center;
    margin: 0 auto;
    padding: 10px 0;
}
.content .erweima .p2{
    text-align: center;
    font-size: 16px;
    color: #999999;
}
.content .kp{
    float: right;
    width: 23.5%;
    margin-top: 130px;
}
/*视频展示样式*/
.zyshow{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0;
    left: 0;
    z-index: 11;
    background-color: rgb(25,32,37);
    display: none;
}
.successIndex{
    width: 933px;
    height: 60%;
    color: #ffffff;
    margin: 0 auto;
    margin-top:12%;
    text-align: center;
    padding-top:100px;
}
.btmBtn{
    position: absolute;
    right: 48px;
    cursor: pointer;
    background: rgba(0,0,0,0.5);
    height: 40px;
    line-height: 40px;
    min-width: 40px;
    text-align: center;
}
.btmBtn span{
    color:#10c4ee;
    font-size: 16px;
}
.btmBtn img{
    margin-top: -4px;
}
.btmBtn1,.btmBtn2,.btmBtn3{
    border-radius: 50%;
    /*display: none*/
}
.btmBtn1,.btmBtn11{
    top: 45%;
}
.btmBtn2,.btmBtn22{
    top: 51%;
}
.btmBtn3,.btmBtn33{
    top: 57%;
}
.btmBtn11,.btmBtn22,.btmBtn33{
    padding:0 15px;
    border-radius: 20px;
    z-index: 1;
    display: none;
}
.btmBtn11 img,.btmBtn22 img,.btmBtn33 img{
    margin-left: 10px;
}
.successIndex p:nth-child(2){
    font-size: 48px;
    margin-top: 32px;
    margin-bottom: 42px;
}
.successIndex p:nth-child(3),.successIndex p:nth-child(4){
    font-size: 18px;
    margin-bottom: 10px;
}
/*html展示*/
.topTab{
    width: 100%;
    position: absolute;
    top: 0;
    left: 0;
    height: 80px;
    line-height: 80px;
    font-size: 24px;
    color: #ffffff;
    background: rgba(0,0,0,0.5);
    text-align: center;
    display: none;
}
.topTab img {
	float: left;
	width:26px;
	height:26px;
	margin-top:27px;
	margin-left:27px;
    cursor: pointer;
}
.topTab div {
	position: absolute;
	right: 30px;
	top: 0;
	font-size: 18px;
}
.topTab div span {
	font-size: 36px;
	font-weight: bold;
}
.showcontent{
    width: 74%;
    height: 80%;
    color: #ffffff;
    display: none;
    margin:0 auto;
    margin-top: 80px;
}
.showcontent .officeBtn{
    background: #10c4ee;
    color:#ffffff;
    text-align: center;
    padding: 10px 30px;
    border-radius: 5px;
    font-size: 20px;
}
.showcontent .officeTs{
    color:#999999;
    font-size: 13px;
    text-align: center;
    margin-top: 20px;
}

.vd{
    /*background:rgba(0,0,0,0.5);*/
}
.word,.ppt,.excel{
    padding-top: 200px;
    background:#ffffff;
    text-align: center;
}
.html{
    background:#ffffff;
}
.vd video{
    width: 100%;
    max-height: 100%;
}
.ad audio{
    width: 60%;
    margin-left: 20%;
    margin-top: 20%;
}
.test,.tm{
    overflow-y: scroll;
    background: #F9F9F9;
    padding: 30px 40px;
    word-break: break-all;
    color: #333333;
}
.test::-webkit-scrollbar,.tm::-webkit-scrollbar { /*外层轨道*/
    width:3px;
    height:2px;
    background:#ccc;
    border-radius:5px;
}
.test::-webkit-scrollbar-thumb,.tm::-webkit-scrollbar-thumb{/*内层轨道*/
    display:block;
    width:2px;
    margin:0 auto;
    border-radius: 5px;
    background:rgba(43,161,244,0.6);
}
.test:focus ,.tm:focus{
    border-color:#2BA1F4;
    outline: #ffffff auto 0;
}
.classZone{
    text-align: center;
    padding-top: 50px;
}
.classZone .classCard{
    width: 82px;
    height: 82px;
    border-radius: 50%;
    margin: 0 auto;
    margin-bottom: 28px;
}
.classZone .classCard img{
    width: 100%;
    height: 100%;
    border-radius: 50%;
}
.classZone .classInfo{
    font-size: 30px;
}
.classZone .classCode{
    width: 300px;
    height: 300px;
    padding: 10px;
    margin: 0 auto;
    background: #ffffff;
    margin-top: 34px;
}
.classZone .inviteCode{
    font-size: 62px;
    letter-spacing: 8px;
    margin-top: 30px;
}
.classZone .classTs{
    font-size: 18px;
    margin-top: 20px;
    color: rgba(255,255,2555,0.8);
}
.imgShow{
    text-align: center;
}
.imgShow img{
    max-width: 100%;
    max-height: 100%;
}
/*题目公共样式*/
.firstList{
    margin-bottom:30px;
    word-break:break-all;
}
.firstTp{
    line-height: 35px;
    background: #ffffff;
    padding: 20px 20px;
    margin-bottom: 15px;
}
.firstTypes{
    background: #10C4EE;
    color:#ffffff;
    border-radius: 5px;
    padding: 5px 10px;
    margin-right: 15px;
}
.firstTitle{
    text-align: justify;
    font-size:16px;
    word-break:break-all;
    font-weight: 600;
}
.firstTitle span{
    margin-right:5px;
}

.firstOptionList{
    padding:10px 20px;
    font-size: 16px;
    background: #ffffff;
    line-height: 1.5;
}
.firstOptions{
    overflow:hidden;
    margin:15px 0;
}
.firstOption{
    float: left;
}
.firstText{
    float: right;
    width:96%;
    text-align: justify;
}
.firstText p{
    margin:0;
    display:inline-block;
}
.secondList{
    margin-bottom:30px;
    word-break:break-all;
}
.secondTypes{
    margin-bottom:10px;
}
.secondTitle{
    text-align: justify;
}
.secondTitle p{
    margin:0;
    display:inline-block;
}
.secondTitle span{
    margin-right:5px;
}

.secondOptionList{
    padding:10px 20px 0;
    font-size: 16px;
}
.secondOptions{
    overflow:hidden;
    margin:15px 0;
}
.secondOption{
    float: left;
}
.secondText{
    float: right;
    width:95%;
    text-align: justify;
}
.secondText p{
    margin:0;
    display:inline-block;
}

.bm{
    font-size: 16px;
    margin-top: 8px;
    padding: 20px 20px;
    overflow: hidden;
    margin-top: 15px;
    display:none;
    background: #ffffff;
}
.bm .tp{
    margin-bottom: 15px;
    line-height: 25px;
}
.bm .tp p{
    display:inline-block;
}
.bmBtn{
    display: inline-block;
    margin-left: 20px;
    background: -webkit-linear-gradient(135deg, #02d5df, #009afc); /* Safari 5.1 - 6.0 */
    background: -o-linear-gradient(135deg, #02d5df, #009afc); /* Opera 11.1 - 12.0 */
    background: -moz-linear-gradient(135deg, #02d5df, #009afc); /* Firefox 3.6 - 15 */
    background: linear-gradient(135deg, #02d5df, #009afc); /* 标准的语法 */
    color: #ffffff;
    margin-top: 15px;
    border-radius: 5px;
    padding: 5px 10px;
    font-size: 18px;
    cursor: pointer;
}
.answerRight .bmBtn img{
    width: 16px;
    margin-left: 5px;
}
.answerRight img{
    width:30%;
}