.position {
    height: 56px;
    line-height: 56px;
    color: var(--font-gray-color-deep);
    border-bottom: 1px solid var(--main-gray-color-light);
}

.position span {
    float: left;
    color: var(--font-gray-color-deep);
}

.position a {
    margin-left: 5px;
    display: inline-block;
    color: var(--font-gray-color-deep);
}

.position a:last-child {
    padding-right: 0;
}
.news_side{
    width: 100%;
    display: flex;
    flex: 0 0 auto;
}
.news_side .nav_side{
    width: 260px;
    background-color: var(--main-gray-color-lighter);
    border-radius: 12px;
    padding: 20px 15px;
    margin-right: 110px;
}
.news_side .right_side{ 
    width: 910px;
}
/* 右侧栏目标题 */
.cat_title{
    font-size: var(--font-size-biggestestest);
    color: var(--font-red-color);
    text-align: center;
}
.hide{
    display: none;
}
/* 左侧导航样式 */
.nav_side .nav_title{
    display: flex;
    align-items: center;
    padding-bottom: 30px;
    border-bottom: 1px solid var(--main-gray-color-light);
}
.nav_side .nav_title span{
    font-weight: bold;
    font-size: var(--font-size-biggest);
    color: var(--font-red-color);
    padding-left: 15px;
}
.nav_side .nav{
    padding: 20px 5px;
}
.nav_side .nav .span_li{
    position: relative;
}
.nav_side .nav .span_li span{
    width: 100%;
    height: 50px;
    line-height: 50px;
    padding: 0 5px;
    box-sizing: border-box;
    position: relative;
}
.nav_side .nav .span_li span::after,.nav_side .nav .span_li .sub_nav_a::after,.nav_side .nav .span_li.active .sub_nav_a::after{
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    right: 15px;
    margin: auto 0;
    width: 14px;
    height: 15px;
    background: url(../images/images2025/nav_arrow.png) no-repeat top right;
    background-size: 100% 100%;
}
.nav_side .nav .span_li.nav_arrow_rotate span::after{
    width: 15px;
    height: 13px;
    background: url(../images/images2025/nav_arrow_down.png) no-repeat top right;
    background-size: 100% 100%;
}
.nav_side .nav .span_li.nav_arrow_rotate.no-hover span::after{
    width: 15px;
    height: 13px;
    background: url(../images/images2025/nav_arrow_down.png) no-repeat top right;
    background-size: 100% 100%;
}
.nav_side .nav .span_li.no-hover span::after{
    width: 14px;
    height: 15px;
    background: url(../images/images2025/nav_arrow.png) no-repeat top right;
    background-size: 100% 100%;
}
.nav_side .nav .span_li:hover span,.nav_side .nav .span_li:hover .sub_nav_a,.nav_side .nav .span_li.active .sub_nav_a{
    background-color: #fff;
    border-radius: 12px;
}
.nav_side .nav .span_li:hover span,.nav_side .nav .span_li:hover .sub_nav_a,.nav_side .nav .span_li.active .sub_nav_a{
    color: var(--font-red-color);
    /* background: url(../images/images2025/nav_arrow_hover.png) no-repeat top right; */
}
.nav_side .nav .span_li:hover span::after,.nav_side .nav .span_li:hover .sub_nav_a::after,.nav_side .nav .span_li.active .sub_nav_a::after{
    width: 14px;
    height: 15px;
    background: url(../images/images2025/nav_arrow_hover.png) no-repeat top right;
    background-size: 100% 100%;
}
.nav_side .nav .span_li span{
    font-size: var(--font-size-bigger);
    color: var(--font-gray-color-deep);
}
.nav_side .nav .span_li .sub_nav_a{
    display: block;
    width: 100%;
    height: 50px;
    line-height: 50px;
    padding: 0 5px;
    box-sizing: border-box;
    position: relative;
    font-size: var(--font-size-bigger);
    color: var(--font-gray-color-deep);
}
.sub_nav{
    display: none;
    padding: 5px 20px;
}
.sub_nav .sub_li a{
    position: relative;
    height: 40px;
    line-height: 40px;
    padding-left: 20px;
    color: var(--font-gray-color-deeper);
}
.sub_nav .sub_li a::before{
    content: '';
    position: absolute;
    top: 0;
    bottom: 0;
    margin: auto;
    left: -0;
    width: 12px;
    height: 11px;
    background: url(../images/images2025/sub_li.png) no-repeat top left;
    background-size: 100% 100%;
}
.sub_nav .sub_li a:hover{
    pointer-events: auto;
    color: var(--font-red-color);   
}
.sub_nav .sub_li a:hover::before{
    pointer-events: auto;
    background: url(../images/images2025/sub_li_active.png) no-repeat top left;
}

.nav .span_li.no-hover .sub_nav {
    pointer-events: auto;
}

.nav .span_li.no-hover .sub_nav .sub_li a {
    pointer-events: auto;
}