.i-banner .xx .banp1{
    font-size: 30px;
    line-height: 48px;
}
.nav-con .left .nav-conp p,
.nav-con .left .nav-conp{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 5;  /* 限制显示5行 */
    overflow: hidden;       /* 隐藏超出部分 */
    text-overflow: ellipsis; /* 超出显示省略号 */
    word-break: break-word; /* 处理长单词或URL换行 */
}
.banner.news-con .banner-xx .bant{
    height: auto;
    font-size: 30px;
}
.header .head .nav .nav-item a{
    font-size: 16px;
}
.header .head .nav .nav-item{
    margin: 0 20px;
}
.header.oth .nav{
    margin: 0 0 0 20px;
}
.header.oth .head{
    justify-content: space-between;
}
.i-about .w1550 .about-left .about-list li p{
    font-size: 14px;
}
.foot-nav dt{font-size:20px;}
.i-news .i-news-content .i-news-swiper .news-item .news-text .title{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 1;  /* 限制显示5行 */
    overflow: hidden;       /* 隐藏超出部分 */
    text-overflow: ellipsis; /* 超出显示省略号 */
    word-break: break-word; /* 处理长单词或URL换行 */
}
.contact .r .xx1 .sebt.one{
    font-size: 28px;
}

@media (max-width: 540px) {
    .i-banner .xx .banp1{
        font-size: 16px;
        line-height: 28px;
    }
    .i-product .product-nav li{
        width: 33%;
    }
    .i-about .w1550 .about-left .about-list{
        flex-wrap: wrap;
    }
    .i-about .w1550 .about-left .about-list li {
        width: 48%;
        margin-bottom: 20px;
    }
    .i-news .i-news-top{
        flex-direction: column;
    }
    .i-news-top .news-title{
        text-align: center;
        margin-bottom: 20px;
    }
    .banp1, .banner-xx .fisum, .about .banner-xx .fisum{
        font-size: 16px;
    }
    .prom-warp1 .pro-t{
        font-size: 40px;
        line-height: 60px;
        margin-bottom: 0;
    }
    .about .twsum{
        text-align: left;
    }
    .contact .r .xx1 .sebt.one{
        font-size: 18px;
    }
    .cad-warp2 .main .mn .r .apply .thsum{
        padding-top: 0;
    }
    .i-product .i-product-swiper{
        height: auto;
    }
    .tit, .i-plan .plan-swiper .plan-title, .i-plan .plan-swiper .plan-item .item-title, .i-product .onbt{
        font-size: 18px;
    }
    .i-plan .plan-swiper .plan-item .w1550{
        margin-top: 80px;

    }
    .i-plan .plan-swiper .plan-item .dsc{
        text-align: left;
    }
    .i-about .w1550 .about-left .dsc p{
        font-size: 16px;
        line-height: 28px;
        text-align: left;
    }
    .prom-warp1 .main .r .sum p{
        margin-bottom: 20px;
    }
    .banner .time{display: none}
    .banner.news-con .banner-xx .bant{
        font-size: 18px;
        line-height: 30px;
    }
    .header.bg .mb img{width: 220px}
}