body, html {
    padding: 0;
    margin: 0;
}
.info-header {
    width: 100%;
    height: 208px;
    background-color: #454648; 
}
.info-header-wrap {
    width: 975px;
    height: 173px;
    margin: auto;
    padding-top: 35px;
}
.user-img {
    width: 92px;
    height: 136px;
    padding: 7px 5px;
    background: #fff;
    float: left;
    margin-right: 30px;
}
.user-img img {
    width: 100%;
    height: 100%;
    vertical-align: middle;
}
.user-info {
    color: #fff;
    float: left;
}
.user-info-item {
    margin: 0px;
    line-height: 30px;
}
.item-label {
    display: inline-block;
    width: 81px;
    text-align: right;
}
.item-value {
    display: inline-block;
    width: 180px;
}
.progress {
    float: right;
}
.progress .countdown {
    width: 251px;
    height: 42px;
    line-height: 42px;
    background: #f5442b;
    color: #fff;
    text-align: center;
    margin-bottom: 22px;
}
.progress .load-progress-wrap {
    width: 251px;
    height: 23px;
    background: #454648;
    position: relative;
}
.progress .load-progress {
    width: 0%;
    height: 23px;
    background: #f5442b;
    position: absolute;
    left: 0px;
    top: 0px;
    z-index: 0;
}
.progress .progress-num {
    width: 100%;
    line-height: 23px;
    text-align: center;
    position: absolute;
    z-index: 1;
    color: #fff;
}
.progress-txt {
    font-size: 14px;
    color: #fff;
    margin-top: 10px;
}
.guide {
    width: 975px;
    margin: 26px auto; 
}
.guide .nav {
    height: 41px;
}
.guide .nav span {
    display: inline-block;
    height: 40px;
    border: 1px solid #ccc;
    border-bottom: none;
    text-align: center;
    line-height: 40px;
    width:154px;
    cursor: pointer;
    background: #fff;
    position: relative;
}
.guide .nav .guidance {
    border-left: none;
}
.guide .nav span.on {
    height: 41px;
}
.guide .content {
    border: 1px solid #ccc;
    padding: 40px 50px;
    color: #484848;
    height: 400px;
    overflow: auto;
}
.guide .content h3 {
    color: #f5442b;
}
.guide .content p {
    text-indent: 2em;
}
.guide .content p img {
    margin: auto;
}
.guide .content .import-context {
    color: #f51e55;
}
.strong {
    font-weight: bolder;
}
.guide .hidden {
    display: none;
}
.readed {
    margin-top: 32px;
    text-align: center;
}
.readed input {
    width: 220px;
    height: 50px;
    line-height: 50px;
    text-align: center;
    color: #fff;
    border: none;
    outline: none;
    background: #f51e55;
    font-size: 18px;
    cursor: pointer;
}
.readed input:hover {
    background-color: #dc194b;
}
.logo {
    margin: 70px auto;
    height: 57px;
    width: 290px;
    background: url('//images.koolearn.com/fe_upload/2018/7/2018-7-13-1531475189133.png') no-repeat;
}
.warn-bg {
    width: 100%;
    height: 100%;
    position: fixed;
    left: 0px;
    top: 0px;
    z-index: 0;
    display: none;
}
.start-warn {
    width: 185px;
    padding: 30px 30px 30px 85px;
    background: url('//images.koolearn.com/fe_upload/2018/7/2018-7-13-1531475248101.png') no-repeat 25px 50px;
    background-color:#fff;
    border-radius: 3px;
    box-shadow: 0px 1px 3px 1px #ccc;
    position: fixed;
    left: 50%;
    margin-left: -150px;
    top: 20%;
    display: none;
    z-index: 1;
}
.warn-context {
    line-height: 26px;
    color: #404040;
    font-size: 14px;
    margin-bottom: 15px;
}
.comeIntoExam {
    width: 128px;
    line-height: 40px;
    border-radius: 3px;
    background-color: #f51e55;
    text-align: center;
    border: none;
    outline: none;
    color: #fff;
    cursor: pointer;
}