body {
    font-family: Arial, sans-serif, "Microsoft YaHei";
    margin: 0;
    padding: 0;
    width: 100%;
    height: 100%;
  }
html {
    font-size: 16px; /* 1rem = 16px */
    width: 100%;
    height: 100%;
  }
a {
    text-decoration: none;
    color: inherit;
    transition: color 0.3s ease;
}
a:hover {
    color: #0376cc; /* 悬停时改变颜色 */
}
  
a:active {
    color: #0376cc; /* 点击时改变颜色 */
}
p,ul,li {
    margin: 0;
    padding: 0;
}
.center {
    width: 1200px;
    margin: 0 auto;
}
.bghui {
    background-color: #f6f7f9;
    padding: 3rem 0;
}
.head {
    margin: 1rem 0;
    display: flex;
    justify-content: space-between; /* 两端对齐 */
    align-items: center;           /* 垂直居中对齐 */
}
.head .logo {
    width: 50%;
}
.head .logo img {
    max-width: 100%;
    max-height: 100%;
}
.head .yuding {
    background: #001847;
    padding: 0.5rem 1rem;
    color: #fff;
}
.head .yuding:hover {
    background-color: #fff;
    border: 1px solid #333;
    color:#0376cc ;
}
.banner {
    max-width: 100%;
    max-height: 100%;
    text-align: center;
}
.banner img {
    max-width: 100%;
    max-height: 100%;
}
.center .guimo {
    margin: 1rem 0;
    margin-top: 2rem;
    display: flex;
    justify-content: space-between; /* 两端对齐 */
    align-items: center; 
}
.center .guimo .guimo_kuai {
    padding: 0.5rem 3rem;
    background-color: #FFB602;
    font-size: 3rem;
    text-align: center;
    font-weight: bold;
    color: #fff;
}
.center .guimo .guimo_kuai .text_xiao {
    font-size: 1.5rem;
}
.center .guimo .guimo_kuai .text_xiao2 {
    font-size: 2rem;
    color: #fff;
}
.center .text_xiao3 {
    font-size: 2rem;
    color: #545353;
    text-align: right;
    margin-bottom: 1rem;
}
.center .jianjie {
    margin: 1rem 0;
}
.center .jianjie_xiangqing {
    display: flex;
    margin: 1rem 0;
    flex-wrap: wrap;
}
.center .jianjie_xiangqing .chatu {
    width: 66%;
}
.center .jianjie_xiangqing .chatu img {
    max-width: 100%;
    max-height: 100%;
}
.center .jianjie_xiangqing .wenzi_jianjie {
    background-color: #FFB602;
    width: 34%;
    text-indent: 2rem;
    height: auto; /* 确保父元素高度根据内容自适应 */
    overflow: hidden; /* 父元素超出内容隐藏 */
    position: relative; /* 保证子元素定位有效 */
}
.center .jianjie_xiangqing .wenzi_jianjie p{
    max-width: 90%;
    /* display: inline-block; */
    font-size: 1rem;
    line-height: 2;
    color: #fff;
    padding: 1rem 0;
    text-align: justify;
    margin: 0 auto;
    height: 100%; /* 使 p 标签的高度跟随父元素 */
    overflow: hidden; /* 超出部分隐藏 */
    text-overflow: ellipsis; /* 可选：添加省略号 */
    white-space: normal; /* 保证文字换行 */
}
.center .zsfw {
    margin: 3rem 0;
}
.center .zsfw_title {
    text-align: center;
    font-size: 2rem;
    line-height: 1.5;
    font-weight: bold;
}
.center .zsfw_title span {
    color: #FFB602;
}
.center .zsfw .zsfw_xiangqing {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    align-items: center;
}
.center .zsfw .zsfw_xiangqing div {
    width: 48%;
    text-align: center;
    padding: 3rem 0;
    background: #fff;
    border-radius: 25px;
    margin: 1rem 0;
    margin-right: 4%;
}
.center .zsfw .zsfw_xiangqing div:nth-child(2n) {
    margin-right: 0;
}
.center .zsfw .zsfw_xiangqing div a img {
    max-width: 90%;
    max-height: 90%;
}
.center .zqfw {
    margin: 1rem 0;
}
.center .titlexiao {
    font-size: 3rem;
    color: #333;
    font-weight: bold;
    display: inline-block; /* 让容器宽度随文字内容 */
    position: relative;
}
.center .titlexiao .hexiang {
    height: 1rem;  
    margin-top: 2px;
    display: flex;
    justify-content:space-between;
}
.center .titlexiao .hexiang .hx_left {
    background-color: #474443;
    width: 34%;
    border-top-left-radius: 50px;
    border-bottom-left-radius: 50px;
}
.center .titlexiao .hexiang .hx_right {
    background-color: #FFB602;
    width: 65%;
    border-top-right-radius: 50px;
    border-bottom-right-radius: 50px;
}
/*展区范围css*/
.center .zqfw .ys {
    margin: 1rem 0;
}
.center .zqfw .ys #oranger{
	background-color: none;
}
.center .zqfw .ys p {
    display: flex;
    justify-content: space-between; /* 两端对齐 */
    align-items: center; 
    flex-wrap: wrap;
    margin: 1rem 0;
    line-height: 1.5;
}
.center .zqfw .ys p a{
	display: block;
    text-align: center;
    width: 20%;
    font-size: 1.2rem;
    line-height: 4rem;
    transition: font-size 0.3s ease, color 0.3s ease;
	/* border-bottom: 1px solid #5a5a5a; */
	color: #333;
}
.center .zqfw .ys .hover {
	color: #333;
    font-size: 1.3rem;
    font-weight: bold;
    display: inline-block;
    position: relative;
	/* background:#bc0002; 
	border-width: 0;*/
}
.center .zqfw .ys .hover::after {
    content: ''; /* 添加空的伪元素 */
    position: absolute;
    left: 0;
    bottom: 0; /* 位于文字下方 */
    width: 100%; /* 与文字同宽 */
    height: 3px; /* 设置底部边框的厚度 */
    background-color: #FFB602; /* 底部边框颜色 */
  }
  #oranger a {
    transition: all 0.3s ease;
  }
  
  #oranger a::after {
    transform: scaleX(0); /* 初始状态隐藏 */
    transform-origin: left;
    transition: transform 0.3s ease;
  }
  
  #oranger a:hover::after {
    transform: scaleX(1); /* 展开效果 */
  }
.center .zqfw .ys #tablea {
	/*background:#eee;*/
	width: 100%;
}
.center .zqfw .ys .tablea .box {
	/*margin:10px;*/
	display:none
}
.center .zqfw .ys .tablea .box{
	width: 100%;
	overflow: hidden;
}
.center .zqfw .ys .tablea .box img{
	display: block;
	float: left;
	/*padding-right: 30px;*/	
}
.center .zqfw .ys .tablea .box .ys-con{
	float: left;
	/* margin: 50px; */
	width: 41%;
}
.center .zqfw .ys .tablea .box .ys-con .txt_zqfw {
    max-width: 80%;
    margin: 0 auto;
}
.center .zqfw .ys .tablea .box .chatu {
    float: left;
    width: 59%;
}
.center .zqfw .ys .tablea .box .chatu img {
    max-width: 100%;
    max-height: 100%;
}
 /*展区范围css结束*/ 
.center .news {
    margin: 3rem 0;
}
.center .news .news_ul {
    margin: 2rem auto;
    max-width: 90%;
}
.center .news .news_ul li {
    list-style: none;
}
.center .news .news_ul li a {
    display: flex;
    line-height: 3rem;
    justify-content: space-between; /* 两端对齐 */
    align-items: center;           /* 垂直居中（可选，根据需求调整） */
    width: 100%;
}
.center .news .news_ul li a .news_txt {
    max-width: 70%;
    overflow: hidden;
    white-space: nowrap; /* 防止换行 */
    text-overflow: ellipsis; /* 显示省略号 */
}
.center .liangdian {
    margin-bottom: 3rem;
}
.center .liangdian .ima_ld {
    max-width: 100%;
    margin: 3rem auto;
}
.center .liangdian .ima_ld img {
    max-width: 100%;
    max-height: 100%;
}
.center .liangdian .liandian_title {
    float: right;
    margin-bottom: 2rem;
}
.center .liangdian .liandian_title::after {
    content: ''; /* 添加空的伪元素 */
    clear: both;
}
.center .qixia .qixia_xiangqing {
    display: flex;
    justify-content: space-between; /* 两端对齐 */
    align-items: center;           /* 垂直居中（可选，根据需求调整） */
    flex-wrap: wrap;
    margin: 2rem auto;
}
.center .qixia .qixia_xiangqing .img_qixia {
    width: calc(33% - 20px);;
    margin-bottom: 1rem;
}
.center .qixia .qixia_xiangqing .img_qixia img {
    max-width: 100%;
    max-height: 100%;
}
.center .zhiming {
    max-width: 100%;
}
.center .zhiming .img_zm {
    margin: 2rem auto 3rem;
}
.center .zhiming .img_zm img {
    max-width: 100%;
    max-height: 100%;
}
.meitibg {
    background-color:#FFB602;
    padding: 40px 0 100px;
    position: relative;
}
.center .tit2 {
    margin-bottom: 40px;
}
.center .tit2 h3 {
    font-size: 30px;
    position: relative;
    color: #fff;
    font-weight: bold;
}
.tit2 h3::before {
    position: absolute;
    left: 0;
    bottom: -5px;
    content: '';
    height: 4px;
    background-color: #fff;
    width: 70px;
}
.center .meiti {
    width: 100%;
    overflow: hidden;
}
.center .meiti img {
    max-width: 100%;
    max-height: 100%;
}
.foot {
    background-color:#3a3b3b;
    padding: 80px 0;
}
.center .footlogo {
    max-width: 90%;
    margin-bottom: 2rem;
}

.center .footlogo img {
    max-width: 100%;
    max-height: 100%;
}
.center .foot_txt {
    display: flex;
    color: #fff;
    line-height: 2;
    justify-content: space-between;
}
 .center .foot_txt .lxwm {
    width: 50%;
} 
.center .foot_txt .lxwm p {
    max-width: 95%;
}
/* .center .foot_txt .kuaisu {
    width: 25%;
}
.center .foot_txt .zhuanyezhan {
    width: 25%;
} */
.center .jiaozhu_foot {
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    color: #fff;
    line-height: 2;
    border-top: 1px solid #fff;
    margin-top: 2rem;
}
.center .jiaozhu_foot .banquan {
    margin-top: 1rem;
}
.center .jiaozhu_foot .beian {
    margin-top: 1rem;
}
/*展会亮点css*/
                    .mySwiper21 .swiper-slide {
                    text-align: center;
                    font-size: 18px;
                    background: #fff;
                    /* display: flex;
                    justify-content: center;
                    align-items: center; */
                    position: relative; /* 添加定位，以便子元素可以相对于它定位 */
                    }

                    .mySwiper21 .swiper-slide .img_lunbo {
                        float: left;
                        width: 64%;
                        height: auto;
                        margin-bottom: 5vh;
                    }
                    .mySwiper21 .swiper-slide img {
                    display: block;
                    width: 100%;
                    height: 100%;
                    object-fit: cover;
                    }

                    .mySwiper21 .swiper-slide .overlay {
                    position: absolute; /* 绝对定位 */
                    top: 5vh;
                    right: 0;
                    bottom: 0;
                    width: 70%; /* 宽度70% */
                    background-color: #FFB602; /* 背景颜色红色 */
                    /* display: flex;
                    justify-content: flex-end; 
                    align-items: center;  */
                    /*padding-right: 10px;  可选：为文字添加一些右边距 */
                    box-sizing: border-box; /* 包含padding在内计算宽度 */
                    }

                    .mySwiper21 .swiper-slide .custom-text {
                    color: white; /* 文字颜色白色 */
                    max-width: 90%;
                    max-height: 90%;
                    margin: 5% 5%;
                    border-radius: 5px; /* 可选：为文字背景添加圆角 */
                    }
                    .mySwiper21 .swiper-slide .custom-text .biaoti {
                        text-align: left;
                        position: relative;
                        height: 6rem;
                        padding-bottom: 2rem;
                    }
                    .mySwiper21 .swiper-slide .custom-text .biaoti .xuhao {
                        position: absolute;
                        left: 0;
                        bottom: 2rem;
                        font-size: 6rem;
                        font-weight: bold;
                        color: #333;
                        opacity: 0.6;
                        z-index: 10;
                    }
                    .mySwiper21 .swiper-slide .custom-text .biaoti .text_biaoti {
                        position: absolute;
                        left: 0;
                        bottom: 2rem;
                        z-index: 11;
                        font-size: 3rem;
                        font-weight: bold;
                        color: #fff;
                    }
                    .mySwiper21 .swiper-slide .custom-text .biaoti::after {
                        content: '';              /* 必须设置 content，伪元素才会生效 */
                        position: absolute;       /* 使用绝对定位 */
                        bottom: 0;                /* 放在底部 */
                        left: 0;                /* 初始位置水平居中 */
                        /* transform: translateX(-50%); 确保居中对齐 */
                        width: 5%;               /* 设置宽度为 30% */
                        height: 8px;              /* 设置高度为 4px */
                        background-color: #fff;  /* 设置边框的颜色 */
                    }
                    .mySwiper21 .swiper-slide .custom-text .txt_liangdian {
                        max-width: 80%;
                        margin-top: 3rem;
                        margin-left: auto;
                        margin-right: auto;
                        font-size: 1.5rem;
                        line-height: 1.5;
                        text-align: left;
                        overflow: hidden;
                        max-height: 80%; 
                        text-align: justify;
                    }

                    /* 隐藏默认的翻页箭头 */
                    .swiper-button-next, .swiper-button-prev {
                    display: block;
                    margin-top: 2vh;
                    }
                    
                    /* 自定义小矩形翻页按钮 */
                   .mySwiper21 .custom-nav-button {
                    position: absolute;
                    top: 50%;
                    transform: translateY(-50%); /* 垂直居中 */
                    width: 30px; /* 按钮宽度 */
                    height: 30px; /* 按钮高度 */
                    background-color: rgba(0, 0, 0, 0.5); /* 按钮背景颜色 */
                    color: white; /* 按钮文字颜色 */
                    border: none; /* 去除边框 */
                    border-radius: 5px; /* 圆角 */
                    cursor: pointer; /* 鼠标悬停时显示为手型 */
                    display: flex;
                    justify-content: center;
                    align-items: center;
                    z-index: 10; /* 确保按钮在overlay层之上 */
                    }
                    
                   .mySwiper21 .swiper-button-prev {
                    left: 31% !important; /* 左侧按钮 */
                    justify-content: flex-start; /* 文字靠左对齐 */
                    }
                    
                   .mySwiper21 .custom-nav-button.next {
                    right: 0; /* 右侧按钮 */
                    margin-top:5vh;
                    justify-content: flex-end; /* 文字靠右对齐 */
                    }
                    
                    /* 调整swiper-wrapper的样式，以便为自定义按钮腾出空间 */
                    .mySwiper21 .swiper-wrapper {
                    overflow: visible; /* 允许内容超出swiper-wrapper的范围 */
                    }
					.mySwiper21 .swiper-pagination
					{
					padding-left:15%;
					z-index:99999;
					}
/*展会亮点css end*/		
.dsl {
    display: none;
}	
   
  /* 超小屏幕（小于 576px） */
  @media (max-width: 576px) {
    /* 针对手机等超小屏幕的样式 */
    html {
        font-size: 14px; /* 1rem = 12px */
    }
    .center {
        width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }  
    .head .logo {
        width: 75%;
    }
    .center .titlexiao {
        font-size: 2rem;
        color: #333;
        font-weight: bold;
        display: inline-block; /* 让容器宽度随文字内容 */
        position: relative;
    }
    .center .guimo {
        margin: 1rem 0;
        margin-top: 2rem;
        display: block;
    }
    .swiper-button-prev, .swiper-button-next {
        width: 35px;
        height: 35px;
    }
    .center .guimo .guimo_kuai {
        padding: 0.5rem 1rem;
        background-color: #FFB602;
        font-size: 3rem;
        width: 95%;
        margin: 0 auto;
        text-align: center;
        font-weight: bold;
        margin-bottom: 1rem;
    }
    .center .guimo .guimo_kuai .text_xiao {
        font-size: 1.5rem;
    }
    .center .guimo .guimo_kuai .text_xiao2 {
        font-size: 2rem;
        color: #fff;
    }
    .center .text_xiao3 {
        font-size: 2rem;
        color: #545353;
        text-align: right;
        margin-bottom: 1rem;
    }
    .center .jianjie_xiangqing .chatu {
        width: 100%;
    }
    .center .jianjie_xiangqing .wenzi_jianjie {
        width: 100%;
    }
    .center .zsfw .zsfw_xiangqing div {
        width: 90%;
        margin: 1rem auto;
        margin-right: auto !important;
    }
    .center .zqfw .ys p a {
        width: 46%;
    }
    .center .zqfw .ys .tablea .box .ys-con {
        width: 100%;
        float: none;
    }
    .center .zqfw .ys .tablea .box .ys-con .txt_zqfw {
        max-width: 90%;
        margin: 0 auto;
    }
    .center .zqfw .ys .tablea .box .chatu {
        width: 90%;
        margin: 0 auto;
        float: none;
    }
    .center .zqfw .ys .hover {
        color: #333;
        font-size: 1.6rem;
        font-weight: bold;
        display: inline-block;
        position: relative;
    }
    .center .news .news_ul {
        max-width: 95%;
    }
    .center .qixia .qixia_xiangqing .img_qixia {
        width: calc(50% - 10px);;
        margin-bottom: 1rem;
    }
    .meitibg {
        background-color:#e95412;
        padding: 30px 0 100px;
    }
    .center .tit2 h3 {
        font-size: 18px;
    }
    .foot {
        background-color:#3a3b3b;
        padding: 30px 0;
    }
    .center .foot_txt .lxwm {
        width: 100%;
    }
    .center .foot_txt .lxwm .tubiao {
        display: flex;
        gap: 0.1rem;
    }
    .center .foot_txt .lxwm .tubiao img{
        max-width: 20%;
    }
    .center .foot_txt .kuaisu,.center .foot_txt .zhuanyezhan {
        display: none;
    }
    .mySwiper21 .swiper-slide .custom-text .biaoti {
        height: 3rem;
        padding-bottom: 1rem;
    }
    .mySwiper21 .swiper-slide .custom-text .biaoti .xuhao {
        font-size: 3rem;
    }
    .mySwiper21 .swiper-slide .custom-text .biaoti .text_biaoti {
        font-size: 1.2rem;
    }
    .mySwiper21 .swiper-slide .custom-text .txt_liangdian {
        font-size: 1rem;
        margin-top: 1rem;
        max-height: 4.5rem; 
    }
  }
  
  /* 小屏幕（大于等于 576px，小于 768px） */
  @media (min-width: 576px) and (max-width: 768px) {
    /* 针对平板或较小设备的样式 */
    html {
        font-size: 14px; /* 1rem = 14px */
    }
      .center {
        width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }
    .head .logo {
        width: 80%;
    }

    .center .guimo {
        margin: 1rem 0;
        margin-top: 2rem;
        display: flex;
        justify-content: space-between; /* 两端对齐 */
        align-items: center; 
    }
    .center .guimo .guimo_kuai {
        padding: 0.5rem 1rem;
        background-color: #FFB602;
        font-size: 2.5rem;
        text-align: center;
        font-weight: bold;
    }
    .center .guimo .guimo_kuai .text_xiao {
        font-size: 1rem;
    }
    .center .guimo .guimo_kuai .text_xiao2 {
        font-size: 1.5rem;
        color: #fff;
    }
    .center .text_xiao3 {
        font-size: 1.3rem;
        color: #545353;
        text-align: right;
        margin-bottom: 1rem;
    }
    .center .jianjie_xiangqing .chatu {
        width: 100%;
    }
    .center .jianjie_xiangqing .wenzi_jianjie {
        width: 100%;
    }
    .center .zqfw .ys p a {
        width: 33%;
    }
    .center .qixia .qixia_xiangqing .img_qixia {
        width: calc(50% - 20px);;
        margin-bottom: 1rem;
    }
    .meitibg {
        background-color:#e95412;
        padding: 30px 0 100px;
    }
    .foot {
        background-color:#3a3b3b;
        padding: 30px 0;
    }
    .mySwiper21 .swiper-slide .custom-text .biaoti {
        height: 4rem;
    }
    .mySwiper21 .swiper-slide .custom-text .biaoti .xuhao {
        font-size: 4rem;
    }
    .mySwiper21 .swiper-slide .custom-text .biaoti .text_biaoti {
        font-size: 2rem;
    }
    .mySwiper21 .swiper-slide .custom-text .txt_liangdian {
        font-size: 1.1rem;
        margin-top: 1.5rem;
        max-height: 10rem; 
    }
   
  }
  
  /* 中等屏幕（大于等于 768px，小于 992px） */
  @media (min-width: 768px) and (max-width: 992px) {
    /* 针对普通平板或小型笔记本电脑的样式 */
    html {
        font-size: 16px; /* 1rem = 16px */
    }
    .center {
        width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }
    .swiper-button-prev, .swiper-button-next {
        width: 55px !important;
        height: 55px !important;
        background-size: cover !important;
    }
    .center .guimo {
        margin: 1rem 0;
        margin-top: 2rem;
        display: flex;
        justify-content: space-between; /* 两端对齐 */
        align-items: center; 
    }
    .center .guimo .guimo_kuai {
        padding: 0.5rem 2rem;
        background-color: #FFB602;
        font-size: 2.5rem;
        text-align: center;
        font-weight: bold;
    }
    .center .guimo .guimo_kuai .text_xiao {
        font-size: 1rem;
    }
    .center .guimo .guimo_kuai .text_xiao2 {
        font-size: 1.5rem;
        color: #fff;
    }
    .center .text_xiao3 {
        font-size: 1.3rem;
        color: #545353;
        text-align: right;
        margin-bottom: 1rem;
    }
    .center .jianjie_xiangqing .chatu {
        width: 100%;
    }
    .center .jianjie_xiangqing .wenzi_jianjie {
        width: 100%;
    }
    .center .zqfw .ys .hover {
        font-size: 1.3rem;
    }
    .meitibg {
        background-color:#e95412;
        padding: 30px 0 100px;
    }
    .foot {
        background-color:#3a3b3b;
        padding: 30px 0;
    }
    .mySwiper21 .swiper-slide .custom-text .biaoti {
        height: 4rem;
    }
    .mySwiper21 .swiper-slide .custom-text .biaoti .xuhao {
        font-size: 4rem;
    }
    .mySwiper21 .swiper-slide .custom-text .biaoti .text_biaoti {
        font-size: 2rem;
    }
    .mySwiper21 .swiper-slide .custom-text .txt_liangdian {
        font-size: 1.2rem;
        margin-top: 2rem;
        max-height: 11rem;
    }
  }
  
  /* 大屏幕（大于等于 992px，小于 1200px） */
  @media (min-width: 992px) and (max-width: 1200px) {
    /* 针对大尺寸屏幕的样式 */
    html {
        font-size: 16px; /* 1rem = 16px */
    }
    .center {
        width: 100%;
        padding: 0 10px;
        box-sizing: border-box;
    }
    .swiper-button-prev, .swiper-button-next {
        width: 55px !important;
        height: 55px !important;
        background-size: cover !important;
    }
    .center .guimo {
        margin: 1rem 0;
        margin-top: 2rem;
        display: flex;
        justify-content: space-between; /* 两端对齐 */
        align-items: center; 
    }
    .center .guimo .guimo_kuai {
        padding: 0.5rem 3rem;
        background-color: #FFB602;
        font-size: 3rem;
        text-align: center;
        font-weight: bold;
    }
    .center .guimo .guimo_kuai .text_xiao {
        font-size: 1.5rem;
    }
    .center .guimo .guimo_kuai .text_xiao2 {
        font-size: 2rem;
        color: #fff;
    }
    .center .text_xiao3 {
        font-size: 1.8rem;
        color: #545353;
        text-align: right;
        margin-bottom: 1rem;
    }
    .center .jianjie_xiangqing .chatu {
        width: 100%;
    }
    .center .jianjie_xiangqing .wenzi_jianjie {
        width: 100%;
    }
    .meitibg {
        background-color:#e95412;
        padding: 30px 0 100px;
    }
    .foot {
        background-color:#3a3b3b;
        padding: 30px 0;
    }
   
    .mySwiper21 .swiper-slide .custom-text .biaoti .text_biaoti {
        font-size: 2rem;
    }
    .mySwiper21 .swiper-slide .custom-text .txt_liangdian {
        font-size: 1.3rem;
    }
  }
  
  /* 超大屏幕（大于等于 1200px） */
  @media (min-width: 1200px) {
    /* 针对超大设备的样式 */
    html {
        font-size: 16px; /* 1rem = 16px */
    }
    
  }