body {
    background-color: #F6F8FA;
}
.business-content {
    width: 1400px;
    margin: 100px auto;
    overflow: hidden;
}
.left-nav {
    width: 340px;
    float: left;
    background: #FFFFFF;
    border-radius: 10px;
}

.menu_list {
    padding: 40px 20px;
}
.menu_list .menu_title {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: bold;
    font-size: 36px;
    color: #222222;
    line-height: 54px;
    padding-left: 20px;
    padding-bottom: 20px;
    margin-bottom: 33px;
    border-bottom: 1px dashed#DCDCDC;
}
.menu_head {
    height: 18px;
    line-height: 18px;
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 18px;
    color: #222222;
    font-style: normal;
    padding: 16px 20px;
    cursor: pointer;
}
.menu-bg {
    color: #222222;
    background:  url(../images/nav_down.png) 95% center no-repeat;
    background-size: 6%;
}
.menu_list .current {
    background:  url(../images/nav_up.png) 95% center no-repeat;
    background-size: 6%;
}
.menu_body {
}
.menu_body a {
    display: block;
    font-size: 16px;
    font-weight: 400;
    color: #7F7F7F;
    line-height: 24px;
    padding: 16px 20px;
    cursor: pointer;
    overflow: hidden;    
    text-overflow: ellipsis;    
    white-space: nowrap;

}
.menu_body p {
    display: block;
    font-size: 16px;
    font-weight: 400;
    color: #7F7F7F;
    line-height: 24px;
    padding: 16px 20px;
    cursor: pointer;
    overflow: hidden;    
    text-overflow: ellipsis;    
    white-space: nowrap;
    cursor: no-drop;
}
.menu-actived {
    background: #AB1F24;
    color: #fff !important;
}


/* 右侧样式 */
.right-main {
    float: right;
    width: 1030px;
    /* height: 200px; */
    /* background: green; */
}
.right-main .body-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
}
.right-main .body-list .card-item {
    background: #fff;
    width: 500px;
    height: 684px;
    padding: 30px;
    border-radius: 2px;
    box-sizing: border-box;

    margin-right: 30px;
    margin-bottom: 30px;
    grid-column: span 1;
    position: relative;
}
.right-main .body-list .card-item:hover {
    cursor: pointer;
    box-shadow: 0px 5px 10px 0px rgba(0,0,0,0.1);
}
.right-main .body-list .card-item img {
    width: 100%;
    height: 440px;
    margin-bottom: 30px;
}
.right-main .body-list .card-item .desc {
    display: flex;
    align-items: center;
    flex-direction: column;
    text-align: center;
}
.right-main .body-list .card-item .desc .desc-title {
    font-family: SourceHanSansCN, SourceHanSansCN;
    font-weight: 400;
    font-size: 20px;
    color: #222;
    line-height: 30px;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    width: 86%;

}
.right-main .body-list .card-item .desc .desc-content {
    font-weight: normal;
    font-size: 16px;
    color: #7F7F7F;
    line-height: 30px;
    margin: 20px auto 20px;

    display: -webkit-box; /* 将容器以弹性盒子形式布局 */
    -webkit-line-clamp: 2; /* 限制文本显示为两行 */
    -webkit-box-orient: vertical; /* 将弹性盒子的主轴方向设置为垂直方向 */
    overflow: hidden; /* 隐藏容器中超出部分的内容 */
    text-overflow: ellipsis; /* 超出容器范围的文本显示省略号 */
}
.right-main .body-list .card-item .desc .desc-info {
    width: 18px;
    height: 18px;
    background: url('../images/index-news-right-cut-img.png');
    position: absolute;
    bottom: 30px;
}
.right-main .body-list .card-item:hover .desc .desc-title {
     color: #AB1F24;
}
.right-main .body-list .card-item:hover .desc .desc-info {
    background: url('../images/index-news-right-highlight-cut-img.png');

}
.searchNull{
    width: 420px;
    margin: 0 auto;
}
.searchNull img{
    width: 420px;
    height: 300px;
}
.searchNull p{
    font-size: 16px;
    color: #7F7F7F;
    line-height: 22px;
    text-align: center;
    margin-top: 20px;
}
@media screen and (max-width:1400px) {
    .business-content {
        width: 1200px;
        margin: 60px auto;
    }
    .left-nav {
        width: 290px;
    }
    .right-main .body-list .card-item {
        width: 430px;
        height: 586px;
        margin-right: 20px;
        margin-bottom: 20px;
    }
    .right-main {
        width: 880px;
    }
    .right-main .body-list .card-item img {
        height: 377px;
        margin-bottom: 20px;
    }
    .right-main .body-list .card-item .desc .desc-content {
        margin: 10px auto 10px;
    }

}

@media screen and (max-width:1200px) {
    .business-content {
        width: 980px;
        margin: 40px auto;
    }
    .left-nav {
        width: 236px;
    }
    .right-main .body-list .card-item {
        width: 350px;
        height: 478px;
        margin-right: 15px;
        margin-bottom: 15px;
    }
    .right-main {
        width: 718px;
    }
    .right-main .body-list .card-item img {
        height: 307px;
        margin-bottom: 8px;
    }
    .right-main .body-list .card-item .desc .desc-content {
        margin: 8px auto 8px;
        line-height: 24px;
    }

}

@media screen and (max-width:980px) {
    .business-content {
        width: 94%;
        margin: 20px auto;
    }
    .menu_list .menu_title {
        font-size: 30px;
    }
    .left-nav {
        width: 36%;
    }
     .right-main {
        width: 62%;
    }
    .right-main .body-list { 
        grid-template-columns: repeat(1, 1fr);
    }
    .right-main .body-list .card-item {
        width: 100%;
        height: 97%;
        padding: 20px;
    }
   
    .right-main .body-list .card-item img {
        height: auto;
        margin-bottom: 8px;
    }
    .right-main .body-list .card-item .desc .desc-content {
        margin: 8px auto 8px;
        line-height: 24px;
    }
    .right-main .body-list .card-item .desc .desc-info{
        bottom: 10px;
    }
    .searchNull{
        width: 220px;
    }
    .searchNull img{
        width: 220px;
        height: 150px;
    }
    .searchNull p{
        font-size: 13px;
        line-height: 19px;
        margin-top: 15px;
    }
    .right-main .body-list .card-item .desc .desc-title{
        width: 400px;
    }
}

@media screen and (max-width:560px) {
    .menu_list {
        padding: 10px 12px;
    } 
    .menu_list .menu_title {
        font-size: 20px;
        padding: 0;
        padding-left: 10px;
        margin-bottom: 20px;
    }
    .menu_head {
        height: 14px;
        line-height: 14px;
        font-size: 14px;
        padding: 8px 10px;
    }
    .menu_body a { 
        font-size: 12px;
        padding: 8px 10px;
        line-height: 14px;
    }
    .right-main .body-list .card-item .desc .desc-title {
        font-size: 16px;
        width: 200px;
    }
    .right-main .body-list .card-item .desc .desc-content {
        font-size: 14px;
    }

}

/* .left-business-block-important{
    display: block!important;
} */
.tooltip {
    position: absolute;
    background: #fff;
    border: 1px solid #ccc;
    padding: 8px;
    border-radius: 4px;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    max-width: 300px;
    z-index: 1000;
    white-space: normal; /* 允许换行 */
    word-wrap: break-word; /* 长单词换行 */
}