.middle {
    width: 1420px;
    margin: 50px auto;
    background: #fff;
    overflow: hidden;
    box-shadow: 1px 1px 8px 1px rgba(0, 0, 0, 0.5);
}

.middle-head {
    width: 100%;
    height: 94px;
    border-bottom: 1px solid #EDEDED;
}

.middle-head-left {
    height: 100%;
    margin-left: 78px;
    overflow: hidden;
}

.middle-head-left li {
    width: 200px;
    height: 100%;
    text-align: center;
    line-height: 94px;
    font-size: 22px;
    cursor: pointer;
    position: relative;
}

.middle-head-left li div {
    width: 100px;
    position: absolute;
    bottom: -1px;
    left: 50%;
    transform: translate(-50%, -50%);
}

.middle-head-right {
    height: 33px;
    overflow: hidden;
    position: relative;
    top: 30px;
    right: 80px;
}

.middle-head-right li {
    width: 116px;
    height: 100%;
    line-height: 33px;
    text-align: center;
    background: #F0F6FF;
    margin-left: 20px;
    font-size: 18px;
    cursor: pointer;
}

.middle-end {
    width: 1260px;
    margin: 50px auto 0;
    overflow: hidden;
    padding-bottom: 50px;
}

.middle-end-left {
    width: 282px;
}

.middle-end-left-head {
    width: 100%;
    height: 87px;
    background: url("../images/4.png") no-repeat;
    background-size: 100% 100%;
    color: #fff;
    font-size: 32px;
    text-align: center;
    line-height: 87px;
}

.middle-end-left-list {
    margin-top: 20px;
    border-bottom: 1px solid #E9EDF1;
}

.middle-end-left-list li {
    width: 90%;
    height: 54px;
    background: #F2F4F6 url("../images/5.png") 93% 20px no-repeat;
    line-height: 54px;
    padding-left: 10%;
    font-size: 18px;
    cursor: pointer;
    border-top: 1px solid #E9EDF1;
    font-family: "思源黑体";
}

.middle-end-right {
    width: 930px;
}

.middle-end-right .title {
    text-align: center;
    font-size: 30px;
    color: #2A6AC9;
    font-family: "优设标题黑";
}

.middle-end-right .parameter-box {
    width: 60%;
    margin: 20px auto 0;
    overflow: hidden;
    font-family: "思源黑体";
}

.middle-end-right .parameter-box p {
    width: 33.33%;
    font-size: 14px;
}

hr {
    border: 1px solid #D8D8D8;
    margin: 20px 0;
}

.middle-end-right .content {
    text-align: justify;
    line-height: 30px;
    font-family: "思源黑体";
}

.middle-end-right .name {
    text-align: right;
    margin-top: 10px;
    color: #2A6AC9;
    font-family: "思源黑体";
}

.middle-end-right .data {
    text-align: right;
    margin-top: 10px;
    color: #3D3D3D;
    font-family: "思源黑体";
}

.middle-end-right .close{
    width: 100%;
    height: 40px;
    line-height: 40px;
    background: #F6FAFF;
    text-align: center;
    margin-top: 20px;
    cursor: pointer;
    border: none;
}

.switch3{
    background: #E2EEFF url("../images/6.png") 93% 20px no-repeat!important;
    color: #2469E1!important;
}