.content-box {
    overflow: hidden;
    margin-top: 0.6rem;
}

.content-box .over-center-box {
    align-items: flex-start;
    padding: 0 0 0.6rem;
}

.content-box .over-center-box .left-content{
    width: 3rem;
    min-height: 3rem;
}

.content-box .over-center-box .left-content .sidebar-title{
    background: #074C9C;
    height: 1.2rem;
    padding: 0.3rem 0 0 0.3rem;
    border-bottom: 1px solid #4C4C4C;
}
.content-box .over-center-box .left-content .sidebar-title .title{
    font-size: 0.26rem;
    margin: 0;
    color: #ffffff;
    letter-spacing: 2px;
}
.content-box .over-center-box .left-content .sidebar-title .en-title{
    font-size: 14px;
    margin-top: 0.1rem;
    color: #ffffff;
}
.content-box .over-center-box .left-content .sidebar-item{
    background: #333333;
    color: #ffffff;
    height: 0.8rem;
    line-height: 0.8rem;
    padding-left: 0.3rem;
    border-bottom: 1px solid #4C4C4C;
}
.content-box .over-center-box .left-content .sidebar-item .item-title{
    font-size: 0.16rem;
    margin: 0;
    color: #ffffff;
    letter-spacing: 2px;
}
.content-box .over-center-box .left-content .sidebar-item:hover,
.content-box .over-center-box .left-content .sidebar-item.left-list-active{
    background: #074C9C;
}
.content-box .over-center-box .right-content{
    width: 12rem;
    margin-left: 0.2rem;
    border-left: 1px solid #E9E7E7;
    padding-left: 0.2rem;
}
.content-box .over-center-box .right-content .art-title{
    font-size: 26px;
    text-align: center;
    color: #333333;
}
.content-box .over-center-box .right-content .art-model{
    font-size: 14px;
    text-align: center;
    margin-top: 5px;
}
.content-box .over-center-box .right-content .art-content{
    font-size: 16px;
    text-align: justify;
    border-top: 1px solid #E9E7E7;
    margin-top: 30px;
    min-height: 4.5rem;
    padding: 0.2rem 0 0;
    line-height: 32px;
    color: #555555;
    text-align: justify;
}

.content-box .over-center-box .right-content .art-content img{
    max-width: 100%;
}
.content-box .over-center-box .right-content .art-content .down-btn{
    width: 2rem;
    height: 45px;
    line-height: 45px;
    text-align: center;
    border-radius: 10px;
    font-size: 14px;
    color: #ffffff;
    background: #074C9C;
    font-weight: 500;
    display: block;
    margin: 40px auto 0;
    cursor: pointer;

}

.content-box .over-center-box .right-content .art-next-box{
    margin-top: 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.content-box .over-center-box .right-content .art-next-box a{
    font-size: 14px;
    color: #6185a2;
}
.content-box .over-center-box .right-content .art-next-box a:hover{
    color: #074C9C;
}