@media only screen and (max-width: 1921px) {
	
	.banner_box,.main_bn{
		height: auto;
	}
	.solution li{
		width: calc((1920 - 660) / 3 / 1920 * 100%);
	}
	.solution li.on1 {
		width: calc(660 / 1920 * 100%);
	}
}
@media only screen and (max-width: 1680px) {
	.banner_box{
		height: 86vh;
	}
	.main_bn{
		height: 86vh;
	}
	.f_nav{
		width: 10.6rem;
		padding: 0 0.3rem 0.3rem 0;
	}
}

@media only screen and (max-width: 1023px) {
  html {
    font-size: -moz-calc(100vw / 7.5);
    font-size: calc(100vw / 7.5);
  }
  body {
    font-size: 0.22rem;
    line-height: 0.45rem;
  }
  img{
  	width: 100%;
  }
  .content{
    width: 90%;
  }
  .pc {
    display: none;
  }
  .phone {
    display: block;
  }
  .header{
    width: 100%;
    background: #fff;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    height: auto;
    position: fixed;
    top: 0;
    right: 0;
    z-index: 100;
  }
  .logo {
    width: 70%;
    margin: 5% 3%;
  }
  .logo img {
    display: block;
  }
  .logo02{
    width: 70%;
    position: absolute;
    top: 2.5%;
    left: 3%;
  }
  .menu {
    position: absolute;
    top: 29%;
    right: 3%;
    display: flex;
    justify-content: center;
    flex-direction: column;
    width: 0.6rem;
    height: 0.6rem;
    transition: transform 250ms ease;
    cursor: pointer;
    z-index: 200;
  }
  .menu span {
    position: relative;
    display: block;
    width: 100%;
    height: 3px;
    background: #333;
    border-radius: 10px;
    transition: transform 250ms ease;
    z-index: 200;
  }
  .menu span:nth-of-type(1) {
    transform: translateY(-6px);
    width: 60%;
  }
  .menu span:nth-of-type(2) {
    width: 80%;
  }
  .menu span:nth-of-type(3) {
    transform: translateY(6px);
    width: 60%;
  }
  #menu {
    display: none;
  }
  #menu:checked ~ .menu {
    background-color: transparent;
    transform: rotate(360deg);
    transition: transform 250ms ease;
  }
  #menu:checked ~ .menu span {
    background-color: white;
    transition: transform 250ms ease;
  }
  #menu:checked ~ .menu span:nth-of-type(1) {
    transform: translateY(1px) rotate(45deg);
    width: 100% !important;
  }
  #menu:checked ~ .menu span:nth-of-type(2) {
    display: none;
  }
  #menu:checked ~ .menu span:nth-of-type(3) {
    transform: translateY(-3px) rotate(-45deg);
    width: 100% !important;
  }
  #menu:checked ~ .nav02 {
    display: block;
    transition: 500ms ease;
  }
  .nav02 {
    position: fixed;
    top: 0;
    right: 0;
    width: 100%;
    height: 100%;
    padding: 22% 0;
    box-sizing: border-box;
    overflow-y: scroll;
    background: #333;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    transition: 500ms ease;
    z-index: 9;
    display: none;
  }
  .nav02 li {
    position: relative;
    display: block;
    border-bottom: 1px dashed rgba(255, 255, 255, 0.38);
    font-size: 0.3rem;
    font-weight: bold;
    line-height: 0.9rem;
    text-indent: 5%;
  }
  .nav02 ul li a {
    position: relative;
    display: block;
    margin: 0;
    color: white;
    text-decoration: none;
    text-transform: uppercase;
  }
  .nav02 ul li a:before {
    position: absolute;
    content: '';
    top: 0;
    left: 0;
    width: 0;
    height: 100%;
    transition: width 250ms ease;
    z-index: -1;
  }
  .nav02 li h1 {
    background: url(../images/nar1.png) no-repeat 95% center;
    background-size: 0.2rem;
    color: #fff;
    font-size: 0.3rem;
  }
  .nav02 li.current h1 {
    background: url(../images/nar2.png) no-repeat 95% center #fff;
    background-size: 0.3rem;
    color: #1758a7;
  }
  .nav03 {
    width: 100%;
    display: none;
    margin: 0.2rem 0;
  }
  .nav03 li {
    border: none;
    font-weight: normal !important;
    line-height: 0.8rem;
    font-size: 0.3rem;
  }
  .nav03 li h2{
    color: #fff;
    font-size: 0.3rem;
  }
  .nav04 {
    width: 90%;
    margin: 0.1rem auto 0.3rem;
  }
  .nav04 li {
    font-weight: normal !important;
    line-height: 0.8rem;
    font-size: 0.3rem;
    text-indent: 0;
  }
  .nav04 li span{
    float: left;
    width: 0.1rem;
    height: 0.1rem;
    background: #fff;
    display: block;
    border-radius: 50%;
    margin: 0.35rem 0.3rem 0 0;
  }
  .banner_box,.main_bn{
  	height: auto;
    margin-top: 1.3rem;
  }
  .bn_textbox{
    top: 45%;
    transform: translate(0, -45%);
  }
  .bn_text{
    width: 90%;
    font-size: 0.28rem;
    line-height: 0.4rem;
  }
  .bn_text h1{
    font-size: 0.5rem;
    line-height: 0.7rem;
    margin-bottom: 0.3rem;
  }
  .bn_con{
    width: 90%;
    font-size: 0.28rem;
    line-height: 0.4rem;
  }
  .bn_con h1{
    font-size: 0.5rem;
    line-height: 0.7rem;
    margin-bottom: 0.3rem;
  }

  .custom_box{
    width: 100%;
    padding: 1.2rem 0 0.7rem;
  }
  .custom_en{
    line-height: 1.4rem;
    height: 1.4rem;
    font-size: 0.35rem;
  }
  .custom_tit{
    line-height: 0.7rem;
    font-size: 0.5rem;
  }
  .custom_tit img{
    width: 0.4rem;
    margin: 0.2rem 0.3rem;
  }
  .custom_m{
    margin-bottom: 0;
  }
  .custom_pic{
    width: 90%;
    margin: 0 auto 0.2rem;
  }
  .custom_pic img{
    display: block;
  }
  .custom02{
    width: 90%;
    margin: 0 auto;
  }
  .custom02 li{
    background: #f9fcff;
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.1);
    border-radius: 10px;
    padding: 5% 6%;
    margin-bottom: 0.4rem;
    display: flex;
    display: -webkit-flex;
    justify-content: space-between;
    align-items: center;
  }
  .custom02 img{
    float: left;
    width: 16%;
  }
  .custom_text{
    float: right;
    width: 75%;
  }
  .custom_text h1{
    font-size: 0.35rem;
    line-height: 0.8rem;
  }
  .custom_text h4{
    font-size: 0.26rem;
    line-height: 0.5rem;
    display: block;
  }
  .custom li:hover .custom_text h1{
    color: #333;
    font-size: 0.35rem;
    line-height: 0.6rem;
  }
  .line01{
    display: none;
  }

  .shuz_bg{
    padding-top: 1.2rem;
    height: 10rem;
    background: url(../images/shuz_bg02.jpg) no-repeat;
    background-size: 100%;
  }
  .shuz_en{
    line-height: 1.4rem;
    height: 1.4rem;
    font-size: 0.35rem;
    margin-bottom: 0.2rem;
  }
  .shuz_tit{
    line-height: 0.7rem;
    font-size: 0.5rem;
  }
  .shuz_tit img{
    width: 0.4rem;
    margin: 0.2rem 0.3rem;
  }
  .shuz{
    width: 90%;
    line-height: 0.55rem;
    font-size: 0.28rem;
    -webkit-line-clamp: 7; 
    margin: 0 auto 0.9rem;
  }
  .shuz_more{
    width: 2.1rem;
    height: 0.7rem;
    line-height: 0.7rem;
    font-size: 0.28rem;
  }

  .hexin_bg{
    padding: 1.2rem 0 1rem;
  }
  .hexin02{
    margin-top: 0.2rem;
  }
  .hexin{
    width: 100%;
    text-align: center;
    padding: 0.8rem 0.3rem;
    box-sizing: border-box;
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 0 10px rgba(0, 0, 0, 0.1);
    color: #8a8a8a;
  }
  .hexin img{
    width: 1.8rem;
    height: 1.8rem;
    margin: 0 auto 0.2rem;
  }
  .hexin h4{
    font-size: 0.35rem;
    line-height: 1rem;
  }
  .hexin div{
    font-size: 0.26rem;
    line-height: 0.4rem;
    height: 0.8rem;
  }

  .solution_box{
    padding: 1.2rem 0 1rem;
  }
  .m_solution{
    margin-bottom: 0.2rem;
  }
  .solution02{
    width: 90%;
    margin: 0 auto;
  }
  .solution02 li{
    margin-bottom: 0.5rem;
    position: relative;
  }
  .solution_fon{
    width: 92%;
    padding: 0;
    left: 4%;
    bottom: 6%;
  }
  .solution_fon h4{
    font-size: 0.32rem;
  }
  .solution_txt{
    font-size: 0.26rem;
    line-height: 0.5rem;
    height: 1rem;
    margin: 0.2rem 0 0;
    display: block;
    opacity: 0.7;
  }

  .footprint_box{
    width: 90%;
    padding: 0.2rem 0 1rem;
  }
  .footprint{
    margin-top: 0;
  }
  .map{
    width: 100%;
    height: auto;
    position: static;
  }
  .ft_box{
    float: none;
    width: 100%;
    padding-top: 0.4rem;
    text-align: center;
  }
  .ft_box h1{
    font-size: 0.32rem;
    line-height: 0.6rem;
  }
  .ft_box h2{
    font-size: 0.28rem;
    line-height: 0.6rem;
    font-weight: normal;
    margin: 0.2rem 0;
  }
  .ft_box i{
    width: 0.5rem;
    margin: 0 auto;
  }
  .ft_text{
    font-size: 0.28rem;
    line-height: 0.5rem;
    margin: 0.5rem 0 1rem;
  }
  .ft_list{
    margin-left: 0;
  }
  .ft_list li{
    width: 35%;
    font-size: 0.24rem;
    background: url(../images/ft_line.jpg) no-repeat right center;
  }
  .ft_list li:first-child{
    width: 30%;
  }
  .ft_list h4{
    font-size: 0.48rem;
    line-height: 0.8rem;
  }
  .ft_list h4 span{
    font-size: 0.22rem;
    line-height: 0.3rem;
  }

  .partners_bg{
    height: auto;
    padding: 1.1rem 0 0.5rem;
    background: url(../images/partners_bg02.jpg) no-repeat;
  }
  .m_partners{
    margin-bottom: 0;
  }
  .partners_box{
    width: 90%;
    margin: 0 auto 0.6rem;
  }
  .partners_text{
    float: none;
    width: 100%;
    margin-bottom: 0.5rem;
  }
  .partners_text h1{
    font-size: 0.3rem;
    line-height: 0.8rem;
    margin-bottom: 0.4rem;
  }
  .partners_text h1 i{
    width: 0.6rem;
    height: 1px;
  }
  .partners_txt{
    font-size: 0.26rem;
    line-height: 0.5rem;
    margin-top: 0.2rem;
  }
  .partners{
    float: none;
    width: 100%;
  }
  .partners ul{
    margin-right: -4%;
  }
  .partners li{
    width: 46%;
    height: 1.5rem;
    margin: 0 4% 4% 0;
  }
  .partners img{
    object-fit: cover;
  }
  
  .foot_bg{
    padding: 0;
  }
  .f_right{
    width: 100%;
    margin-top: 1rem;
  }
  .foot_box{
    width: 90%;
    margin: 0 auto;
  }
  .f_logo{
    width: 80%;
    margin: 0 auto;
  }
  .f_con{
    padding: 0.3rem 0 0.2rem;
  }
  .f_con li{
    font-size: 0.28rem;
    line-height: 0.4rem;
    margin-bottom: 0.6rem;
  }
  .f_con li img{
    width: 8%;
    margin-right: 0.2rem;
  }
  .f_wx{
    width: 100%;
    text-align: center;
  }
  .f_wx img{
    width: 1.8rem;
    height: 1.8rem;
  }
  .f_wx h4{
    color: #fff;
    font-size: 0.3rem;
    line-height: 1rem;
    font-weight: normal;
    opacity: 0.4;
  }
  .copyright{
    line-height: 0.4rem;
    font-size: 0.24rem;
    padding: 0.5rem 0.2rem;
  }

  
  

  /* 案例中心 */
  .m_case{
    margin: 1rem 0;
  }
  .case_title{
    font-size: 0.28rem;
    line-height: 0.5rem;
    margin-bottom: 0.6rem;
  }
  .case_title h1{
    font-size: 0.5rem;
    line-height: 1rem;
  }
  .case ul{
    margin-right: -4%;
  }
  .case li{
    width: 46%;
    margin: 0 4% 5% 0;
  }
  .case h4{
    font-size: 0.3rem;
    height: 1rem;
    line-height: 1rem;
  }
  .case_pic{
    height: 2.4rem;
  }

  /* 案例详情 */
  .m_case_show{
    margin: 1rem 0;
  }
  .date_fon{
    font-size: 0.4rem;
    line-height: 0.8rem;
  }
  .case_img{
    float: none;
    width: 100%;
    height: 3.5rem;
    margin-bottom: 0.3rem;
  }
  .case_img img{
    object-fit: cover;
  }
  .case_text{
    float: none;
    width: 100%;
    font-size: 0.28rem;
    line-height: 0.5rem;
  }
  .case_text h4{
    font-size: 0.4rem;
    line-height: 1rem;
  }

  /* 行业动态 */
  .m_policy{
    margin: 1rem 0;
  }
  .m_policy .custom_en{
    margin-bottom: 0.2rem;
  }
  .m_policy .custom_tit img{
    margin: 0.2rem 0.3rem;
  }
  .news_img{
    float: none;
    width: 100%;
    height: 4.2rem;
    margin-bottom: 0.3rem;
  }
  .policy{
    float: none;
    width: 100%;
  }
  .policy li{
    font-size: 0.28rem;
    height: 1rem;
    line-height: 1rem;
  }
  .policy_l{
    width: 70%;
    height: 1rem;
  }
  .news_bg{
    padding: 1rem 0 0.8rem;
  }
  .news_pic{
    height: 3.5rem;
  }
  .news_pic img{
    object-fit: cover;
  }
  .news_bot{
    padding: 5%;
  }
  .news_bot h1{
    font-size: 0.3rem;
    height: 0.5rem;
    line-height: 0.5rem;
    margin-bottom: 0.5rem;
  }
  .news_date{
    line-height: 0.5rem;
    font-size: 0.26rem;
  }

  /* 关于我们 */
  .about_bg{
    padding: 1rem 0;
  }
  .about_en{
    line-height: 1.2rem;
    font-size: 0.5rem;
  }
  .about_tit{
    line-height: 0.6rem;
    font-size: 0.5rem;
  }
  .about_tit img{
    width: 0.4rem;
    margin: 0.1rem 0.3rem;
  }
  .m_about{
    margin-bottom: 0.2rem;
  }
  .about_bg .flex02{
  	display: block;
  }
  .about{
    float: none;
    width: 100%;
    font-size: 0.28rem;
    line-height: 0.5rem;
    margin: 0;
  }
  .about h4{
    font-size: 0.4rem;
    margin-bottom: 0.2rem;
  }
  .about_video{
    float: none;
    width: 100%;
    margin-top: 0.4rem;
  }
  .video_btn {
		width: 1rem;
		height: 1rem;
		top: 58%;
		transform: translate(-50%,-58%);
	}
  .video111-a2 {
	  width: 90%;
	  height: 40%;
	}
	.video111-a2 video{
		width: 100%;
		height: 100%;
	}
  .fz_bg{
    background: url(../images/fz_bg.jpg) no-repeat;
	  background-size: cover;
    padding: 3rem 0 0.8rem;
  }
  .fz_en{
    line-height: 1.2rem;
    height: 1.2rem;
    font-size: 0.5rem;
    top: 1rem;
  }
  .fz_tit{
    line-height: 0.6rem;
    font-size: 0.5rem;
  }
  .fz_tit img{
    width: 0.5rem;
    margin: 0.1rem 1rem;
  }
  .fz_part{
    width: 95%;
  }
  .fz_part .swiper-slide:nth-child(1) .fz_box{
    margin-top: 0;
  }
  .fz_part .swiper-slide:nth-child(2) .fz_box{
    margin-top: 0;
  }
  .fz_part .swiper-slide:nth-child(3) .fz_box{
    margin-top: 0;
  }
  .fz_part .swiper-slide:nth-child(4) .fz_box{
    margin-top: 0;
    padding: 0 0 1rem 0.5rem;
  }
  .fz_part .swiper-slide:nth-child(5) .fz_box{
    padding: 0 0 1rem 0.5rem;
  }
  .fz_box{
    padding: 0 0 0.8rem 0.5rem;
  }
  .fz_line{
    width: 2px;
    top: 17px;
    left: 8px;
  }
  .fz_dot01{
    width: 10px;
    height: 10px;
    left: 4px;
    top: 17px;
  }
  .fz_dot02{
    width: 18px;
    height: 18px;
  }
  .fz_t{
    width: 1.4rem;
    height: 0.7rem;
    line-height: 0.7rem;
    font-size: 0.3rem;
    margin-bottom: 0.3rem;
  }
  .fz_text{
    font-size: 0.28rem;
    line-height: 0.5rem;
  }
  .fz_text h4{
    font-size: 0.36rem;
    line-height: 0.6rem;
  }
  .honor_bg{
    padding: 0.8rem 0 0.7rem;
  }
  .m_honor{
    margin-bottom: 0.2rem;
  }
  .zizhi{
    width: 95%;
    padding: 0.2rem 0;
    height: auto;
    margin: 0 auto 0.5rem;
  }
  .zizhi li{
    width: 33.333%;
    font-size: 0.28rem;
    line-height: 0.5rem;
  }
  .zizhi i{
    height: 50%;
    top: 25%;
  }
  .zizhi h4{
    font-size: 0.4rem;
    line-height: 0.6rem;
    margin-top: 0.1rem;
  }
  .zizhi h4 span{
    font-size: 0.28rem;
    line-height: 0.3rem;
  }
  .honor_box{
    width: 90%;
  }
  .honor{
    width: 58%;
  }
  .honor_pic{
    height: 5rem;
  }
  .honor_box .swiper-button-prev{
    width: 0.65rem;
    height: 0.65rem;
  }
  .honor_box .swiper-button-next{
    width: 0.65rem;
    height: 0.65rem;
  }
  .culture_box{
    width: 90%;
    padding: 0.8rem 0 1rem 0;
  }
  .m_culture{
    margin-bottom: 0.3rem;
  }
  .culture{
    width: 100%;
  }
  .culture ul{
    margin-right: 0;
  }
  .culture li{
    float: none;
    width: 100%;
    height: 4rem;
    border-radius: 16px;
    margin: 0 0 0.4rem 0;
  }
  .join_bg{
    padding: 0.5rem 0;
  }
  .join_title{
    margin-bottom: 0.3rem;
  }
  .join_title h1{
    font-size: 0.5rem;
    line-height: 1rem;
  }
  .join_title h2{
    font-size: 0.5rem;
    line-height: 0.8rem;
  }
  .join_btn{
    width: 2rem;
    line-height: 0.7rem;
    border-radius: 0.7rem;
    font-size: 0.3rem;
  }

  /* 加入我们 */
  .join_bg02{
    padding: 0.6rem 0 1rem;
  }
  .join_02{
    width: 95%;
    margin: 0 auto;
  }
  .join_02 li{
    background: #fff;
    margin-bottom: 0.4rem;
  }
  .join_02 h1{
    line-height: 0.8rem;
    color: #fff;
    font-size: 0.3rem;
    background: #0064da;
    padding: 0 5%;
    font-weight: normal;
  }
  .join_text{
    padding: 5%;
    color: #333;
    font-size: 0.28rem;
    line-height: 0.5rem;
  }
  .join_email{
    font-size: 0.3rem;
    line-height: 0.5rem;
  }

  /* 解决方案 */
  .fn_box{
    padding: 0.7rem 0 1rem;
  }
  .fn_tit{
    font-size: 0.4rem;
    line-height: 1.5rem;
    margin-bottom: 0.5rem;
  }
  .fn_text{
    font-size: 0.28rem;
    line-height: 0.5rem;
    margin-bottom: 0.5rem;
  }
  .cptx_bg{
    padding: 0.5rem 0 0.9rem;
  }
  .cptx_title{
    font-size: 0.5rem;
    line-height: 1.5rem;
    margin-bottom: 0.5rem;
  }
  .cptx_title i{
    width: 1rem;
    height: 3px;
  }
  .cptx_txt{
    box-sizing: border-box;
    padding: 5%;
    background: #fff;
    box-shadow: 0 0 10 rgba(0, 0, 0, 0.1);
    color: #333;
    font-size: 0.28rem;
    line-height: 0.5rem;
  }
  .cptx_txt h4{
    color: #333;
    font-size: 0.4rem;
    line-height: 0.6rem;
    text-align: center;
    margin-bottom: 0.2rem;
  }
  .cptx_pic{
    width: 0.64rem;
    height: 0.64rem;
    margin: 0 auto 0.2rem;
  }
  .cptx_area .swiper-pagination-bullet{
    width: 12px;
    height: 12px;
    border-radius: 12px;
    background: #0064da;
    opacity: 0.4;
    display: inline-block;
    margin: 0 10px;
  }
  .cptx_area .swiper-wrapper{
    padding-bottom: 1rem;
  }
  .cptx_area .swiper-pagination-bullet-active{
    opacity: 1;
  }
  .hexin_box{
    padding: 0.5rem 0 0.9rem;
  }
  .hexin li{
    height: 412px;
    padding: 50px 40px 0 40px;
  }
  .hx_top{
    padding-bottom: 0.2rem;
    margin-bottom: 0.35rem;
  }
  .hx_con{
    padding: 0.3rem 0 0.25rem;
  }
  .hx_pic{
    width: 0.5rem;
    height: 0.5rem;
    margin: 0 auto 0.2rem;
  }
  .hx_con h4{
    font-size: 0.28rem;
    line-height: 0.4rem;
  }
  .hx_img{
    float: none;
    width: 100%;
    height: 4rem;
  }
  .hx_im img{
    object-fit: cover;
  }
  .hx_text{
    float: none;
    width: 100%;
    margin-top: 0.2rem;
    font-size: 0.28rem;
    line-height: 0.5rem;
  }
  .hx_text h4{
    text-align: center;
    font-size: 0.4rem;
    line-height: 1.5rem;
    margin-bottom: 0.2rem;
  }
  .hx_text h4 i{
    width: 1rem;
    height: 2px;
    margin: 0 auto;
  }

  /* 安全环保应急一体化智能管控平台 */
  .product_bg{
    padding: 0.7rem 0;
  }
  .product_box{
    width: 95%;
    padding: 0.5rem 0 1.2rem;
    margin: 0 auto;
  }
  .product_box .swiper-slide:first-child{
    margin-left: 0;
  }
  .product_box .swiper-pagination-bullet{
    width: 20px;
    height: 8px;
    border-radius: 8px;
    margin: 0 8px;
  }
  .product{
    padding: 5% 5% 10% 5%;
  }
  .product_pic{
    height: 3rem;
    margin-bottom: 0.3rem;
  }
  .product_txt{
    line-height: 0.35rem;
    font-size: 0.28rem;
  }
  .product_txt h4{
    font-size: 0.3rem;
    line-height: 0.5rem;
  }
  .product:hover .product_txt{
    opacity: 1;
  }
  .product:hover .into{
    display: none;
  }
  .xt_bg{
    height: auto;
    padding: 0.8rem 0;
  }
  .xt_title{
    font-size: 0.4rem;
    line-height: 1rem;
  }
  .xt_title i{
    width: 1rem;
    height: 3px;
  }
  .xt ul{
    margin-right: -4%;
  }
  .xt li{
    width: 46%;
    margin: 8% 4% 5% 0;
  }
  .xt img{
    width: 1rem;
    display: block;
    margin: 0 auto;
  }
  .xt h4{
    font-size: 0.28rem;
    line-height: 0.4rem;
    margin-top: 0.2rem;
  }
  .hxjz_box{
    padding: 0.5rem 0 1rem;
  }

  /* 图像型智能火灾探测器 */
  .tanceqi_bg{
    height: auto;
    padding: 0.6rem 0 1rem 0;
    display: block;
  }
  .tanceqi_bg .content{
    display: block;
  }
  .tanceqi_text{
    float: none;
    width: 100%;
    font-size: 0.28rem;
    line-height: 0.5rem;
    margin: 0 0 0.6rem 0;
  }
  .tanceqi_text h1{
    font-size: 0.4rem;
    line-height: 1.2rem;
    margin-bottom: 0.4rem;
  }
  .tanceqi_text i{
    width: 1rem;
    height: 3px;
  }
  .tanceqi_pic{
    float: none;
    width: 60%;
    margin: 0 auto;
  }
  .pro_tx_bg{
    padding: 0.7rem 0;
  }
  .pro_tx{
    width: 92%;
    margin: 0 auto;
  }
  .pro_tx ul{
    margin-right: 0;
  }
  .pro_tx li{
    width: 100%;
    height: auto;
    /*height: 6rem;*/
    font-size: 0.28rem;
    line-height: 0.5rem;
    padding: 4%;
    margin: 0 0 4% 0;
  }
  .pro_tx img{
  	float: left;
    width: .45rem;
    margin: 0.1rem 0.2rem 0 0;
  }
  .pro_tx h4{
    font-size: 0.35rem;
    line-height: 0.7rem;
  }
  .cj_box{
  	width: 92%;
  	margin: 0 auto;
    padding: 0.6rem 0 0.8rem;
  }
  .cj ul{
    margin-right: -3%;
  }
  .cj li{
    width: 47%;
    height: 2.5rem;
    margin: 0 3% 3% 0;
  }
  .cj li:first-child{
    width: 100%;
    height: 4rem;
    margin: 0 0 3% 0;
  }
  .cj li:nth-child(4){
    width: 100%;
    height: 4.5rem;
    position: relative;
  }

  /* 重大危险源监测预警及应急指挥系统 */
  .zd_text{
    float: none;
    width: 100%;
    font-size: 0.28rem;
    line-height: 0.5rem;
    margin: 0 0 0.6rem 0;
  }
  .zd_text h1{
    font-size: 0.4rem;
    line-height: 1.2rem;
    margin-bottom: 0.4rem;
  }
  .zd_text i{
    width: 1rem;
    height: 3px;
  }
  .zd_pic{
    float: none;
    width: 60%;
    margin: 0 auto;
  }
  .xt02 li{
    width: 33.333%;
    margin: 8% 0 5% 0;
  }
  .xt02 img{
    width: 1rem;
    display: block;
    margin: 0 auto;
  }
  .xt02 h4{
    font-size: 0.28rem;
    line-height: 0.4rem;
    margin-top: 0.2rem;
  }

  /* LDAR应用案例 */
  .oil_box{
    padding: 1rem 0;
    display: block;
  }
  .oil_text{
    float: none;
    width: 100%;
    font-size: 0.28rem;
    line-height: 0.5rem;
    margin-bottom: 0.5rem;
  }
  .oil_text h1{
    font-size: 0.4rem;
    line-height: 1rem;
    margin-bottom: 0.4rem;
  }
  .oil_text i{
    width: 1rem;
  }
  .oil_pic{
    float: none;
    width: 100%;
  }
  .kehu_bg{
    padding: 0.6rem 0 0.8rem;
  }
  .kehu ul{
    margin-right: -3%;
  }
  .kehu li{
    width: 47%;
    padding: 2%;
    margin: 0 3% 3% 0;
  }
  .kehu img{
    height: 1.5rem;
  }
  .kehu h4{
    font-size: 0.22rem;
    height: 0.6rem;
    line-height: 0.3rem;
  }

  /* LDAR检测服务 */
  .service_text{
    float: none;
    width: 100%;
    font-size: 0.28rem;
    line-height: 0.5rem;
    margin-bottom: 0.5rem;
  }
  .service_text h1{
    font-size: 0.4rem;
    line-height: 1rem;
    margin-bottom: 0.4rem;
  }
  .service_text i{
    width: 1rem;
  }
  .service_pic{
    float: none;
    width: 60%;
    margin: 0 auto;
  }
  .process_box{
    padding: 0.6rem 0 1rem;
  }
  .process{
    margin-top: 0;
  }
  .process img{
    width: 1.5rem;
    height: 1.5rem;
  }
  .process h4{
    font-size: 0.3rem;
    line-height: 0.8rem;
  }
  .process_txt{
    font-size: 0.26rem;
    line-height: 0.3rem;
    opacity: 1;
  }
  .shiy_bg{
    padding: 0.6rem 0;
  }
  .shiy ul{
    margin-right: -3%;
  }
  .shiy li{
    width: 47%;
    height: 2.5rem;
    margin: 0 3% 4% 0;
  }
  .shiy_text{
    padding: 30px 5px 15px 5px;
    font-size: 0.26rem;
    line-height: 0.32rem;
  }
}
  