.header {
    background: #ffffff;
    height: 100px;
}

.bg {
    padding: 20px;
    background: #f5f5f5;
}
.box{
    width: 1304px;
    margin: 0 auto;
    display: flex;
}
.top-world {
    background: #1890ff;
    font-size: 18px;
    line-height: 50px;
    text-align: left;
    padding-left: 15px;
    color: #ffffff;
    width: 269px;

}

.new-world {
    margin-top: 2px;
    background: #ffffff;
    width: 269px;
    padding-left: 20px;
    cursor: pointer;
}

.li-text {
    height: 30px;
    line-height: 30px;
    background: #FFFFFF;
    margin-bottom: 2px;
}

.title-text {
    font-size: 16px;
    line-height: 50px
}

.li-display {
    display: none;
}

.text-detail {
    background: #ffffff;
    width: 1000px;
    min-height: 800px;
    margin-left: 20px;
}

.detail-header {
    font-size: 14px;
    color: #333333;
    line-height: 60px;
    margin-left: 20px;
}

.nav {
    color: #898989;
}

.active-detail {
    text-align: left !important;
}

.list-detail {
    padding-left: 15px;
    color: #333333;
    font-size: 14px !important;
    display: none;
}

.list-item {
    line-height: 55px;
    cursor: pointer;
}

.xuzhi-header {
    font-size: 36px;
    text-align: center;
}

.author {
    font-size: 14px;
    color: rgb(127, 127, 127);
    line-height: 25px;
}

.title-detail {
    margin-left: 15px;
    margin-right: 15px;
    font-size: 16px;
    line-height: 20px
}

.img-detail {
    margin-top: 25px;
    margin-left: 25px;
    padding-bottom: 20px
}

.flex-just {
    display: flex;
    justify-content: space-between;
}

iframe {
    width: 1000px;
    height: 800px;
    padding-bottom: 30px;
}
#shejirumen{
    padding-left: 15px;
}
.browser-title{
    text-align: center;
    font-size: 20px;
    font-weight: bold;
}