/******************************试卷中心 start**********************************/
.exam_banner1{
    width:100%;
    height:450px;
    background:url("../images/exam_banner1.jpg") no-repeat center;
    overflow:hidden;
}
/*13类试卷 start*/
.exam_center{
    width:100%;
    overflow:hidden;
}
.exam_bg{
    width:100%;
    padding:35px 0;
    overflow:hidden;
}
.exam_bg1{ background:#f6fdff;}
.exam_bg2{ background:#fffef9;}

.exam_box{
    width:1200px;
    background:#fff;
    padding:0 15px 20px;
    margin:0 auto;
    box-shadow:0 5px 20px rgba(0,0,0,.1);
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.exam_title{
    position:relative;
    width:100%;
    height:40px;
    line-height:40px;
    margin:10px 0;
    border-bottom:1px solid #eee;
}
.exam_title i.col_tiao{
    position:absolute;
    top:8px;
    left:-15px;
    width:7px;
    height:24px;
}
#exam1 .exam_title i.col_tiao{ background:#fdb058;}
#exam2 .exam_title i.col_tiao{ background:#43affa;}
#exam3 .exam_title i.col_tiao{ background:#8ece6d;}
#exam4 .exam_title i.col_tiao{ background:#fe934d;}
#exam5 .exam_title i.col_tiao{ background:#fcc52d;}
#exam6 .exam_title i.col_tiao{ background:#97cb9b;}
#exam7 .exam_title i.col_tiao{ background:#73c3e6;}
#exam8 .exam_title i.col_tiao{ background:#6cdce0;}
#exam9 .exam_title i.col_tiao{ background:#2acdf6;}
#exam10 .exam_title i.col_tiao{ background:#5c97fb;}
#exam11 .exam_title i.col_tiao{ background:#60d67e;}
#exam12 .exam_title i.col_tiao{ background:#abcf65;}
#exam13 .exam_title i.col_tiao{ background:#dcc86f;}

#menu ul li:first-child.floor,#menu ul li:first-child:hover{ background:#fdb058;}
#menu ul li:nth-child(2).floor,#menu ul li:nth-child(2):hover{ background:#43affa;}
#menu ul li:nth-child(3).floor,#menu ul li:nth-child(3):hover{ background:#8ece6d;}
#menu ul li:nth-child(4).floor,#menu ul li:nth-child(4):hover{ background:#fe934d;}
#menu ul li:nth-child(5).floor,#menu ul li:nth-child(5):hover{ background:#fcc52d;}
#menu ul li:nth-child(6).floor,#menu ul li:nth-child(6):hover{ background:#97cb9b;}
#menu ul li:nth-child(7).floor,#menu ul li:nth-child(7):hover{ background:#73c3e6;}
#menu ul li:nth-child(8).floor,#menu ul li:nth-child(8):hover{ background:#6cdce0;}
#menu ul li:nth-child(9).floor,#menu ul li:nth-child(9):hover{ background:#2acdf6;}
#menu ul li:nth-child(10).floor,#menu ul li:nth-child(10):hover{ background:#5c97fb;}
#menu ul li:nth-child(11).floor,#menu ul li:nth-child(11):hover{ background:#60d67e;}
#menu ul li:nth-child(12).floor,#menu ul li:nth-child(12):hover{ background:#abcf65;}
#menu ul li:nth-child(13).floor,#menu ul li:nth-child(13):hover{ background:#dcc86f;}

#menu a{ background:#fdb058;}

.exam_title_l{
    float:left;
    height:40px;
    line-height:40px;
    overflow: hidden;
}
.exam_title h3{
    float:left;
    font-size:18px;
}
.exam_title a{
    float:right;
    font-size:12px;
    color:#666;
}
.exam_title_l p{
    float:left;
    margin-left:45px;
}
.exam_title_l p span{
    font-weight:bold;
}
.exam_title_l p span.kecheng{
    color:#1cc15a;
}
.exam_title_l p span.keshi{
    color:#ff982a;
}

.exam_title2{
    border:0;
    margin:0;
}
.exam_nav{
    width:100%;
    overflow:hidden;
}
.exam_nav_l{
    float:left;
    width:210px;
    height:380px;
    overflow:hidden;
}
.exam_nav_l a{
    display:block;
}
.exam_nav_l a img{
    width:210px;
    height:380px;
}

.exam_nav_r{
    float:right;
    width:940px;
    overflow:hidden;
}

.exam_list{
    width:100%;
    overflow:hidden;
}
.exam_list li{
    float:left;
    width:470px;
    padding:17px 15px;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.exam_list li>a{
    float:left;
    width:58px;
    height:58px;
    overflow:hidden;
}
.exam_list li>a img{
    width:58px;
    height:58px;
}
.exam_list_nr{
    float:right;
    width:370px;
    overflow:hidden;
}
.exam_list_nr a{
    display:block;
    height:30px;
    line-height:30px;
    font-weight:600;
    overflow: hidden;
}
.exam_list_nr a:hover{
    text-decoration:underline;
}
.exam_list_nr p{
    height:30px;
    line-height:30px;
    font-size:13px;
    color:#999;
    overflow:hidden;
}
/*版式1 start*/
.exam_tu{
    width:100%;
    overflow:hidden;
}
.exam_tu li {
    float:left;
    width:210px;
    height:200px;
    overflow:hidden;
}
.exam_tu li:not(:nth-child(4n)) {
    margin-right:20px;
}
.exam_tu li a{
    display:block;
    width:100%;
    overflow:hidden;
}
.exam_tu li .big_tu{
    width:100%;
    height:130px;
    overflow:hidden;
}
.exam_tu li img{
    width:100%;
    height:130px;
    transition: all .3s;
    overflow:hidden;
}
.exam_tu li h3{
    width:100%;
    height:28px;
    line-height:28px;
    font-size:14px;
    font-weight:bold;
    overflow:hidden;
}
.exam_tu li h3:hover{
    text-decoration:underline;
}
.exam_tu li p{
    width:100%;
    height:20px;
    line-height:20px;
    color:#999;
    font-size:12px;
    overflow:hidden;
}
.exam_tu li:hover img{
    transform:scale(1.2,1.2);
}
/*版式1 end*/

/*版式2 start*/
.exam_tu2{
    width:100%;
    overflow:hidden;
}
.exam_tu2 li {
    float:left;
    width:210px;
    height:190px;
    position:relative;
    overflow:hidden;
}
.exam_tu2 li:not(:nth-child(4n)) {
    margin-right:20px;
}
.exam_tu2 li a{
    display:block;
    width:100%;
    overflow:hidden;
}
.exam_tu2 li .big_tu{
    width:100%;
    height:190px;
    overflow:hidden;
}
.exam_tu2 li img{
    width:100%;
    height:190px;
    transition: all .3s;
    overflow:hidden;
}
.exam_tu2 li .exam_tu2_wz{
    position:absolute;
    top:0;
    left:0;
    width:100%;
    height:190px;
    padding:30px 10px;
    background:rgba(0,0,0,0.6);
    opacity:0;
    transition:all .3s;
    overflow:hidden;
    -webkit-box-sizing: border-box;
    -moz-box-sizing: border-box;
    box-sizing: border-box;
}
.exam_tu2 li:hover .exam_tu2_wz{
    opacity:1;
}
.exam_tu2 li:first-child,.exam_tu2 li:nth-child(2),.exam_tu2 li:nth-child(3),.exam_tu2 li:nth-child(4){
    margin-bottom:20px;
}
.exam_tu2 li h3{
    width:100%;
    height:50px;
    line-height:25px;
    font-size:14px;
    font-weight:bold;
    color:#fff;
    margin-bottom:15px;
    overflow:hidden;
}
.exam_tu2 li p{
    width:100%;
    height:22px;
    line-height:22px;
    color:#f1f1f1;
    font-size:12px;
    overflow:hidden;
}
.exam_tu2 li:hover img{
    transform:scale(1.2,1.2);
}
/*版式2 end*/
/*13类试卷 end*/
.nav_left ul li{
    height:34px;
    line-height:34px;
}
.nav_left ul li img{
    width:22px;
    margin:6px 10px 0 0;
}
/******************************试卷中心 end**********************************/