.main {
    width: 1200px;
    overflow: auto;
    margin: auto;
    overflow-x: hidden;
    position: relative;
    z-index: 2;
    background: #fff;
    padding: 0 10px;
}
.main_left {
    float: left;
    width: 280px;
    padding-bottom: 100px;
}
.main_right {
    float: right;
    width: 880px;
    padding-bottom: 100px;
}

.slider_accordion {
    width:100%;
    background:red;
    margin-bottom:20px;
}
.slider_accordion h5 {
    height:60px;
    width:100%;
    font-size:18px;
    font-weight:bold;
    padding-left:20px;
    line-height:60px;
    color:#fff;
    background:#2797ef;
    position:relative;
    overflow:hidden;
}
.slider_accordion h5:before{
    content:"";
    display:block;
    width:100px;
    height: 90px;
    background: url(../images/icon_2.png);
    position:absolute;
    right: -2px;
    top: -11px;
}
.slider_accordion .box {
    height: 55px;
    overflow: hidden;
    transition: height .5s;
    border:1px solid #e5e5e5;
    border-bottom: none;
    border-top:none;
}
.slider_accordion .box .hd {
    display:block;
    background:#f9f9f9;
    line-height: 55px;
    height: 55px;
    padding-left:20px;
    color:#fff;
    cursor: pointer;
    color:#333;
    font-size: 16px;
    border-bottom:1px solid #e5e5e5;
    position: relative;
}
.slider_accordion .box .hd:before {
        content:'';
        display:inline-block;
        width:10px;
        height:2px;
        background:#666;
        position:absolute;
        right:10px;
        top:0;
        bottom:0;
        margin:auto;
}
.slider_accordion .box .hd:after {
        content:'';
        display:inline-block;
        height:10px;
        width:2px;
        background:#666;
        position:absolute;
        right:14px;
        top:0;
        bottom:0;
        margin:auto;
}
.slider_accordion .box.active .hd:after {
    display:none;
}
.slider_accordion .box .hd span {

}
.slider_accordion .box .bd {

}
.slider_accordion .box .bd a {
    display:block;
    font-size: 14px;
    line-height:45px;
    height: 45px;
    background:#fff;
    line-height: 45px;
    padding-left:20px;
    color:#666;
    border-bottom:1px solid #e5e5e5;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}
.slider_accordion .box .bd a:last-child{

}
.slider_accordion .box .bd a:hover {
    background: #ececec;
}
.slider_accordion .box.active {
    height: auto;
}

.subject_title {
    font-size: 30px;
    line-height: 40px;
    padding-bottom: 20px;
}
.subject_title h1 {
    font-size:30px;
/* border-bottom: 2px solid #e5e5e5; */
}

.subject_des {
    border-bottom: 2px solid #e5e5e5;
    padding-bottom: 20px;
}
.subject_des p {
    font-size: 16px;
    line-height: 28px;
    color: #333;
}

h1 {}
.subject_box {

}
.subject_box .item {
    position:relative;
    border-bottom:1px solid #e5e5e5;
    padding:40px 0;
    box-sizing:content-box;
    padding-left:10px;
    overflow:auto;
}
.subject_box .item:last-child {
    border-bottom:none;
}
.subject_box .item .left {
    width:100px;
    height:100px;
    position:relative;
    float:left;
}
.subject_box .item .left i {
    display:inline-block;
    width:30px;
    height:30px;
    background:#dbdbdb;
    position:absolute;
    left:-10px;
    top:-5px;
    border-radius:5px;
    text-align:center;
    line-height:30px;
    color:#333;
    font-size:16px;
    font-weight:bold;
    -webkit-clip-path: polygon(45% 1.33975%, 46.5798% 0.60307%, 48.26352% 0.15192%, 50% 0%, 51.73648% 0.15192%, 53.4202% 0.60307%, 55% 1.33975%, 89.64102% 21.33975%, 91.06889% 22.33956%, 92.30146% 23.57212%, 93.30127% 25%, 94.03794% 26.5798%, 94.48909% 28.26352%, 94.64102% 30%, 94.64102% 70%, 94.48909% 71.73648%, 94.03794% 73.4202%, 93.30127% 75%, 92.30146% 76.42788%, 91.06889% 77.66044%, 89.64102% 78.66025%, 55% 98.66025%, 53.4202% 99.39693%, 51.73648% 99.84808%, 50% 100%, 48.26352% 99.84808%, 46.5798% 99.39693%, 45% 98.66025%, 10.35898% 78.66025%, 8.93111% 77.66044%, 7.69854% 76.42788%, 6.69873% 75%, 5.96206% 73.4202%, 5.51091% 71.73648%, 5.35898% 70%, 5.35898% 30%, 5.51091% 28.26352%, 5.96206% 26.5798%, 6.69873% 25%, 7.69854% 23.57212%, 8.93111% 22.33956%, 10.35898% 21.33975%);
}
.subject_box .item:nth-child(1) .left i {
    background:#fd5253;
    color:#fff;
}
.subject_box .item:nth-child(2) .left i {
    background: #ff7b41;
    color:#fff;
}
.subject_box .item:nth-child(3) .left i {
    background: #ffad2b;
    color:#fff;
}
.subject_box .item .left .img {
    width:100%;
    height:100%;
    border-radius:30px;
    overflow:hidden;
    display:block;
}
.subject_box .item .left .img img {
    width:100%;
    height:100%;
}
.subject_box .item .right {
    width:calc(100% - 130px);
    float:right;
}
.subject_box .item .right >a {
    font-size:20px;
    font-weight:bold;
    margin-bottom:7px;
    display: inline-block;
    line-height:20px;
}
.subject_box .item .right >a:hover {
    color: #2797ef;
}
.subject_box .item .right .info {
    display:block;
    margin-bottom:8px
}
.subject_box .item .right .info span,.subject_box .item .right .info a {
    font-size:14px;
    color:#999;
    position:relative;
    padding-right:20px;
}
.subject_box .item .right .info a:hover {
    color: #2797ef;
}
.subject_box .item .right .info a:before {
    content:"";
    display:inline-block;
    position:absolute;
    width:1px;
    height:10px;
    background:#aaa;
    top:0;
    bottom:0;
    right:7px;
    margin:auto;
}
.subject_box .item .right .des {

}
.subject_box .item .right .des p {
    font-size:14px;
    line-height:22px;
    color:#666;
}
.subject_box .item .btn {
    position:absolute;
    right:20px;
    top:40px;
    width: 100px;
    height: 36px;
    float: left;
    color: #fff;
    background: #31be81;
    font-size: 14px;
    border-radius: 5px;
    line-height: 36px;
    text-align: center;
    transition: background .3s,color .1s;
}
.subject_box .item .btn:hover {
    background: #27a06c;
    color: #fff;
}

.bread {
    width:1200px;
    margin:auto;
    padding-top: 0;
    padding-bottom: 10px;
    position: relative;
    z-index: 2;
    background-color: #fff;
    padding-left: 10px;
    box-sizing: border-box;
}