* {
  margin: 0;
  padding: 0;
}
html,
body {
  width: 100%;
  height: 100%;
}
a,
li,
p,
span {
  list-style: none;
  color: #666;
  font-size: 16px;
  text-decoration: none;
}
a:hover {
  text-decoration: none !important;
}
h1,
h2,
h3,
h4,
h5,
h6 {
  font-weight: normal;
}
input,
textarea {
  outline: none;
  border: none;
}
body {
  font-family: "微软雅黑";
}
body::-webkit-scrollbar {
  width: 3px;
  height: 0px;
}
body::-webkit-scrollbar-thumb {
  width: 3px;
  background-color: #22ac88;
}
.edui-faked-video{
  width: 100%;
  height: auto;
}
.about1,.product,.fine_box,.video,.journalism,.footer_top,.footer{
  overflow: hidden;
}
.more {
  text-align: center;
  width: 100%;
}
.more a {
  padding: 10px 30px;
  display: inline-block;
  color: #fff;
  background-color: #22ac88;
  font-weight: 600;
  transition: all .5s ease;
}
.more a:hover {
  background-color: initial;
  color: #333;
}
.more a:hover span {
  color: #333;
}
.more a span {
  color: #fff;
  transition: all .5s ease;
}
.title {
  text-align: center;
  padding-top: 90px;
  margin-bottom: 50px;
  /*padding: 0 15px;*/
}
.title h3 {
  font-size: 14px;
  font-weight: 600;
}
.title span {
  display: inline-block;
  color: #22ac88;
  font-weight: 600;
  font-size: 25px;
  position: relative;
}
.title span::after {
  content: '';
  position: absolute;
  left: -60%;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 2px;
  background-color: #333;
}
.title span::before {
  content: '';
  position: absolute;
  right: -60%;
  top: 50%;
  transform: translateY(-50%);
  width: 50px;
  height: 2px;
  background-color: #333;
}
.about_title h3 {
  position: relative;
  font-size: 40px;
  color: #22ac88;
  z-index: 2;
}
.about_title h3::after {
  content: 'ABOUT';
  font-size: 30px;
  font-weight: 600;
  color: #dfc9b2;
  position: absolute;
  left: 50%;
  top: -41%;
  transform: translate(-50%, -50%);
  z-index: -1;
}
.nature_tile h3::after {
  content: 'BACK TO NATURE';
  font-size: 30px;
  font-weight: 600;
  color: #dfc9b2;
  position: absolute;
  left: 50%;
  top: -41%;
  transform: translate(-50%, -50%);
  z-index: -1;
}
.fine_title h3 {
  position: relative;
  font-size: 40px;
  color: #22ac88;
  z-index: 2;
}
.fine_title h3::after {
  content: 'ZUOSHAN AIR PURIFIER';
  font-size: 30px;
    width: 100%;
  font-weight: 600;
  color: #dfc9b2;
  position: absolute;
  left: 50%;
  top: -41%;
  transform: translate(-50%, -50%);
  z-index: -1;
}
.vidoe_title h3 {
  position: relative;
  font-size: 40px;
  color: #22ac88;
  z-index: 2;
}
.vidoe_title h3::after {
  content: 'VIDEO';
  font-size: 30px;
  font-weight: 600;
  color: #dfc9b2;
  position: absolute;
  left: 50%;
  top: -41%;
  transform: translate(-50%, -50%);
  z-index: -1;
}

.news_title h3 {
  position: relative;
  font-size: 40px;
  color: #22ac88;
  z-index: 2;
}
.news_title h3::after {
  content: 'NEWS';
  font-size: 30px;
  font-weight: 600;
  color: #dfc9b2;
  position: absolute;
  left: 50%;
  top: -41%;
  transform: translate(-50%, -50%);
  z-index: -1;
}
.lore_title{
    padding-top: 40px;
}
.lore_title h3::after {
  content: 'MENU';
  font-size: 30px;
  font-weight: 600;
  color: #dfc9b2;
  position: absolute;
  left: 50%;
  top: -41%;
  transform: translate(-50%, -50%);
  z-index: -1;
}
.product {
  position: relative;
}
.product .honor_title {
  position: absolute;
  left: 50%;
  top: 0%;
  transform: translateX(-50%);
}
.product .honor_title .honor h3 {
  position: relative;
  font-size: 40px;
  color: #22ac88;
}
.product .honor_title .honor h3::after {
  content: 'PRODUCTS';
  font-size: 30px;
  font-weight: 600;
  color: #dfc9b2;
  position: absolute;
  left: 50%;
  top: -41%;
  transform: translate(-50%, -50%);
  z-index: -1;
}
.pro_honor {
  position: relative;
}
.pro_honor .honor_title {
  position: absolute;
  left: 50%;
  top: 0%;
  transform: translateX(-50%);
}
.pro_honor .honor_title .honor h3 {
  position: relative;
  font-size: 40px;
  color: #22ac88;
}
.pro_honor .honor_title .honor h3::after {
  content: 'HONOR';
  font-size: 30px;
  font-weight: 600;
  color: #dfc9b2;
  position: absolute;
  left: 50%;
  top: -41%;
  transform: translate(-50%, -50%);
  z-index: -1;
}
.product {
  position: relative;
}
.product .product_title {
  position: absolute;
  left: 50%;
  top: 0;
  transform: translateX(-50%);
  z-index: 11;
}
.product .pro_1 {
  position: absolute;
  left: 7%;
  top: 20%;
  width: 8%;
  transition: all .5s ease;
}
.product .pro_1 img {
  width: 100%;
}
.product .pro_1 p {
  text-align: center;
  margin-bottom: 0;
  font-weight: 600;
  color: #22ac88;
  margin-top: 10px;
      font-size: 23px;
}
.product .pro_1:hover {
  transform: scale(1.2, 1.2);
  /* 标准语法 */
  -ms-transform: scale(1.2, 1.2);
  /* IE 9 */
  -webkit-transform: scale(1.2, 1.2);
  /* Safari */
}
.product .pro_2 {
  position: absolute;
  left: 14%;
  bottom: 9%;
  width: 12%;
  transition: all .5s ease;
}
.product .pro_2 img {
  width: 100%;
}
.product .pro_2 p {
  text-align: center;
  margin-bottom: 0;
  font-weight: 600;
  color: #22ac88;
  margin-top: 10px;
      font-size: 23px;
}
.product .pro_2:hover {
  transform: scale(1.2, 1.2);
  /* 标准语法 */
  -ms-transform: scale(1.2, 1.2);
  /* IE 9 */
  -webkit-transform: scale(1.2, 1.2);
  /* Safari */
}
.product .pro_3 {
  position: absolute;
  left: 29%;
  bottom: 10%;
  width: 20%;
  transition: all .5s ease;
}
.product .pro_3 img {
  width: 100%;
}
.product .pro_3 p {
  text-align: center;
  margin-bottom: 0;
  font-weight: 600;
  color: #22ac88;
  margin-top: 10px;
      font-size: 23px;
}
.product .pro_3:hover {
  transform: scale(1.2, 1.2);
  /* 标准语法 */
  -ms-transform: scale(1.2, 1.2);
  /* IE 9 */
  -webkit-transform: scale(1.2, 1.2);
  /* Safari */
}
.product .pro_4 {
  position: absolute;
  right: 29%;
  bottom: 10%;
  width: 20%;
  transition: all .5s ease;
}
.product .pro_4 img {
  width: 100%;
}
.product .pro_4 p {
  text-align: center;
  margin-bottom: 0;
  font-weight: 600;
  color: #22ac88;
  margin-top: 10px;
      font-size: 23px;
}
.product .pro_4:hover {
  transform: scale(1.2, 1.2);
  /* 标准语法 */
  -ms-transform: scale(1.2, 1.2);
  /* IE 9 */
  -webkit-transform: scale(1.2, 1.2);
  /* Safari */
}
.product .pro_5 {
  position: absolute;
  right: 14%;
  bottom: 9%;
  width: 12%;
  transition: all .5s ease;
}
.product .pro_5 img {
  width: 100%;
}
.product .pro_5 p {
  text-align: center;
  margin-bottom: 0;
  font-weight: 600;
  color: #22ac88;
  margin-top: 10px;
      font-size: 23px;
}
.product .pro_5:hover {
  transform: scale(1.2, 1.2);
  /* 标准语法 */
  -ms-transform: scale(1.2, 1.2);
  /* IE 9 */
  -webkit-transform: scale(1.2, 1.2);
  /* Safari */
}
.product .pro_6 {
  position: absolute;
  right: 7%;
  top: 20%;
  width: 8%;
  transition: all .5s ease;
}
.product .pro_6 img {
  width: 100%;
}
.product .pro_6 p {
  text-align: center;
  margin-bottom: 0;
  font-weight: 600;
  color: #22ac88;
  margin-top: 10px;
  font-size: 23px;
}
.product .pro_6:hover {
  transform: scale(1.2, 1.2);
  /* 标准语法 */
  -ms-transform: scale(1.2, 1.2);
  /* IE 9 */
  -webkit-transform: scale(1.2, 1.2);
  /* Safari */
}
/*.about1{*/
/*    width: 100%;*/
/*    display: block;*/
/*    background: url(../img/images_oure.jpg);*/
/*    background-repeat: no-repeat;*/
/*    max-width: 1920px;*/
/*    margin: auto;*/
/*    max-height:800px;*/
/*    height: 100%;*/
/*      background-position: center;*/
/*  background-size: cover;*/
/*  background-repeat: no-repeat;*/
/*}*/
/*.aboutpc img{*/
/*    width: 100%;*/
/*}*/
/*.aboutpc{*/
/*    background-size:100%;*/
/*    background-color: #e9edef;*/
/*}*/
.nature{
    background: url(../img/nature.jpg);
    background-size:100%;
    background-repeat: no-repeat;
    max-width: 1920px;
    margin: auto;
}
.about1 .about_box{
    max-width: 1700px;
    margin: auto;
}

.about1 .about_box .about_center{
    display: flex;
    justify-content: space-between;
}
.about1 .about_box .about_center .left{
    width: 36%;
}
.about1 .about_box .about_center .left{
    width: 36%;
}
.about1 .about_box .about_center .nature_box{
    float: right;
}
.about1 .about_box .about_center .left .about_top{
    padding-bottom: 120px;
}
.aboutpc .about_box .about_center .left .about_top{
    padding-top: 25%;
}
.about1 .about_box .about_center .left .about_top .title_box{
    display: flex;
    margin-bottom: 15px;
}
.about1 .about_box .about_center .left .about_top .title_box h3{
    font-size: 37px;
    font-weight: 600;
}
.about1 .about_box .about_center .left .about_top .title_box .triangle{
    display: flex;
    align-items: center;
    padding-left: 40px;
}
.about1 .about_box .about_center .left .about_top .title_box .triangle .line{
    width: 0;
    height: 0;
    border-top: 12px solid transparent;
    border-left: 25px solid #4f76b7;
    border-bottom: 12px solid transparent;
    margin-right: 15px;
}
.nature .about_box .about_center .left .about_top .about_content{
    border-top: none;
    border-bottom: none;
    padding: 30px 0;
}
.nature .about_box{
    padding-bottom: 215px;
}
.about1 .about_box .about_center .left .about_top .about_content{
    
}
.about1 .about_box .about_center .left .about_top .about_content p{
    font-size: 20px;
    line-height: 40px;
}
.about1 .about_box .about_center .right{
    
}
.md_about{
    display: none;
}

.header {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  z-index: 10000;
  background-color: #fff;
  box-shadow: 0px 0px 8px #e5e5e5;
}
.header .header_box {
  max-width: 1200px;
  margin: auto;
  padding: 10px 0;
}
.header .header_box .head {
  display: flex;
  justify-content: space-between;
}
.header .header_box .head .log img {
  width: auto;
  max-width: 100%;
}
.header .header_box .head .contact .tel {
  display: flex;
  align-items: center;
  height: 100%;
}
.header .header_box .head .contact .tel i {
  font-size: 16px;
}
.header .header_box .head .contact .tel span {
  display: inline-block;
  margin: 0 10px 0 5px;
}
.header .header_box .head .contact .tel p {
  margin-bottom: 0;
}
.header .header_box .menu ul {
  display: flex;
  justify-content: space-between;
  margin-bottom: 0;
  padding: 20px 0 5px;
}
.header .header_box .menu ul li a {
  display: inline-block;
  font-weight: 600;
  color: #333;
}
.header .header_box .menu ul li a:hover {
  color: #22ac88;
}
.header .header_box .menu ul .menu_bg a {
  color: #22ac88;
}
.banner {
  max-width: 1920px;
  margin: auto;
}
.banner img {
  width: 100%;
}
.product {
  max-width: 1920px;
  margin: auto;
}
.product .home_pro {
  width: 100%;
}
.fine_box{
    max-width:1920px;
    margin: auto;
    position: relative;
}
.fine_title{
    position: absolute;left:50%;top:0px;transform: translateX(-50%);
    width: 100%;
}
.fine_1{
  position: absolute;
  left: 15%;
  top: 11%;
  width: 400px;
  text-align: center;
}
.fine_3{
  position: absolute;
  right: 15%;
  top: 11%;
  width: 400px;
  text-align: center;
}
.fine_2{
  position: absolute;
  left: 15%;
  bottom: 11%;
  width: 400px;
  text-align: center;
}
.fine_4{
  position: absolute;
  right: 15%;
  bottom: 14%;
  width: 400px;
  text-align: center;
}
.fine_0 span{
  color: #fff;
  display: block;
  font-size: 40px;
  font-weight: 600;
  margin-bottom: 10px;
}
.fine_0 p{
  color: #fff;
  font-size: 19px;
  text-align: initial;
}
.fine_0 img{
  display: block;
  width: 120px;
  margin: auto;
  margin-bottom: 10px;
}

.fine {
  background: url(../img/strength_bg.jpg);
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
  /*background-attachment: fixed;*/
  position: relative;
  z-index: 1;
}
.fine .fine_box {
  max-width: 1500px;
  margin: auto;
  padding-top: 1px;
  padding-bottom: 170px;
}
.fine .fine_box .fine_main {
  display: flex;
  justify-content: center;
  margin-top: 100px;
}
.fine .fine_box .fine_main .main_img {
  position: relative;
  text-align: center;
}
.fine .fine_box .fine_main .main_img span {
  color: #fff;
  font-size: 40px;
  font-weight: 600;
  display: inline-block;
  margin-bottom: 10px;
}
.fine .fine_box .fine_main .main_img p {
  color: #fff;
  font-size: 19px;
  text-align: initial;
}
.fine .fine_box .fine_main .main_img .fine_1 {
  position: absolute;
  left: 0;
  top: -41px;
  transform: translateX(-115%);
  width: 100%;
}
.fine .fine_box .fine_main .main_img .fine_1 img {
  display: block;
  width: 120px;
  margin: auto;
  margin-bottom: 10px;
}
.fine .fine_box .fine_main .main_img .fine_2 {
  position: absolute;
  left: 0;
  bottom: -139px;
  transform: translateX(-115%);
  width: 100%;
}
.fine .fine_box .fine_main .main_img .fine_2 img {
  display: block;
  width: 120px;
  margin: auto;
  margin-bottom: 10px;
}
.fine .fine_box .fine_main .main_img .fine_3 {
  position: absolute;
  right: 0;
  top: -40px;
  transform: translateX(115%);
  width: 100%;
}
.fine .fine_box .fine_main .main_img .fine_3 img {
  display: block;
  width: 120px;
  margin: auto;
  margin-bottom: 10px;
}
.fine .fine_box .fine_main .main_img .fine_4 {
  position: absolute;
  right: 0;
  bottom: -112px;
  transform: translateX(115%);
  width: 100%;
}
.fine .fine_box .fine_main .main_img .fine_4 img {
  display: block;
  width: 120px;
  margin: auto;
  margin-bottom: 10px;
}
.fine .strength_bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: rgba(0, 0, 0, 0.31);
  z-index: -1;
}
.news {
  background-repeat: no-repeat;
  background-position: bottom;
}
.news .news_box {
  max-width: 1200px;
  margin: auto;
  padding: 70px 0 30px 0;
  display: flex;
}
.news .news_box .news_title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  border-bottom: 1px solid #666;
  margin-bottom: 20px;
  padding-bottom: 5px;
  position: relative;
}
.news .news_box .news_title::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  transform: translateY(50%);
  width: 50px;
  height: 3px;
  background-color: #22ac88;
}
.news .news_box .news_title .news_left {
  display: flex;
}
.news .news_box .news_title .news_left h2 {
  margin-bottom: 0;
  color: #22ac88;
  font-size: 40px;
  font-weight: 600;
}
.news .news_box .news_title .news_left .news_text span {
  font-size: 16px;
  padding-left: 4px;
  font-weight: 600;
}
.news .news_box .news_title .news_left .news_text p {
  margin-bottom: 0;
  font-size: 12px;
  color: #666;
}
.news .news_box .news_title .news_right a {
  transition: all .5s ease;
}
.news .news_box .news_title .news_right a:hover {
  color: #22ac88;
}
.news .news_box .left {
  flex: 1;
  padding-right: 50px;
}
.news .news_box .left .news_video #demo {
  width: 100%;
}
.news .news_box .left .news_video p {
  margin-bottom: 0;
  padding: 10px 0;
  text-align: center;
  background-color: #22ac88;
  color: #fff;
  margin-top: -6px;
}
.news .news_box .left .news_list {
  margin-top: 20px;
}
.news .news_box .left .news_list ul li {
  padding: 5px 0;
}
.news .news_box .left .news_list ul li a {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.news .news_box .left .news_list ul li a:hover .left_title span {
  color: #22ac88;
}
.news .news_box .left .news_list ul li a .left_title {
  display: flex;
  align-items: center;
}
.news .news_box .left .news_list ul li a .left_title .triangle {
  width: 0;
  height: 0;
  border-top: 5px solid transparent;
  border-left: 8px solid #22ac88;
  border-bottom: 5px solid transparent;
}
.news .news_box .left .news_list ul li a .left_title span {
  padding-left: 5px;
}
.news .news_box .left .news_list ul li a .time p {
  margin-bottom: 0;
}
.news .news_box .right {
  flex: 1;
  padding-left: 50px;
}
.news .news_box .right .news_list ul li {
  padding: 10px;
}
.news .news_box .right .news_list ul li a {
  display: flex;
}
.news .news_box .right .news_list ul li a:hover .text h5 {
  color: #22ac88;
}
.news .news_box .right .news_list ul li a .time {
  position: relative;
}
.news .news_box .right .news_list ul li a .time .time_month {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  flex-direction: column;
  align-items: center;
}
.news .news_box .right .news_list ul li a .time .time_month h2 {
  font-size: 30px;
  margin-bottom: -2px;
  color: #fff;
}
.news .news_box .right .news_list ul li a .time .time_month span {
  font-size: 14px;
  color: #fff;
}
.news .news_box .right .news_list ul li a .text {
  padding-left: 15px;
}
.news .news_box .right .news_list ul li a .text h5 {
  font-size: 16px;
  margin-bottom: 5px;
  font-weight: 600;
  transition: all .5s ease;
}
.news .news_box .right .news_list ul li a .text span {
  font-size: 14px;
}
.news .news_box .right .news_list ul li a .text p {
  font-size: 14px;
  margin-bottom: 0;
}
.journalism .journalism_box {
  max-width: 1400px;
  margin: auto;
}
.journalism .journalism_box .jour {
  margin-bottom: 70px;
}
.journalism .journalism_box .jour ul {
  display: flex;
  flex-wrap: wrap;
}
.journalism .journalism_box .jour ul li {
  width: 50%;
  transition: all .5s ease;
}
.journalism .journalism_box .jour ul li:hover {
  background-color: #f7f7f7;
}
.journalism .journalism_box .jour ul li:hover a .time h3 {
  color: #22ac88;
}
.journalism .journalism_box .jour ul li a {
  display: flex;
}
.journalism .journalism_box .jour ul li a .time {
  border-right: 1px solid #d5d5d5;
  padding: 15px 30px;
  text-align: center;
}
.journalism .journalism_box .jour ul li a .time h3 {
  font-size: 25px;
  font-weight: 600;
  transition: all .5s ease;
}
.journalism .journalism_box .jour ul li a .time p {
  margin-bottom: 0;
}
.journalism .journalism_box .jour ul li a .jour {
  padding: 23px 15px;
  margin-bottom: 0;
}
.journalism .journalism_box .jour ul li a .jour span {
  font-weight: 600;
  font-weight: bold;
}
.video .video_box {
  max-width: 1500px;
  margin: auto;
}
.video .video_box ul {
  display: flex;
  justify-content: space-between;
  padding-top: 50px;
  padding-bottom: 25px;
}
.video .video_box ul li {
  width: 32%;
}
.video .video_box ul li .video_demo .demo {
  width: 100%;
  height: auto;
}
.video .video_box ul li .video_text p {
  margin-bottom: 0;
  padding: 10px 15px;
  text-align: center;
  background-color: #22ac88;
  color: #fff;
  margin-top: -6px;
  text-overflow: ellipsis;
  white-space: nowrap;
  overflow: hidden;
}
.footer_top {
  max-width: 1920px;
  margin: auto;
}
.footer_top img {
  width: 100%;
}
.footer {
  background-color: #22ac88;
}
.footer .footer_box {
  max-width: 1400px;
  margin: auto;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}
.footer .footer_box h4 {
  font-size: 30px;
  color: #fff;
  margin-bottom: 30px;
  text-align: center;
}
.footer .footer_box .product {
  width: 40%;
  padding: 0 15px;
}
.footer .footer_box .product ul {
  display: flex;
  flex-wrap: wrap;
}
.footer .footer_box .product ul li a {
  display: inline-block;
  padding: 5px 4px;
  margin-bottom: 5px;
  margin-right: 5px;
  color: #fff;
  transition: all .5s ease;
}
.footer .footer_box .product ul li a span{
  display: block;
  text-align: center;
  color: #fff;
}
.footer .footer_box .product ul li a:hover {
  color: #fff;
}
.footer .footer_box .software {
  width: 100%;
  padding: 0 0px;
}
.footer .footer_box .software h4 {
  text-align: center;
  
}
.footer .footer_box .software ul {
  display: flex;
  margin-bottom: 0;
  justify-content: space-between;
}
.footer .footer_box .software ul li{
    width: 26%;
}
.footer .footer_box .software ul li a .ico {
  width: 100%;
  /*height: 70px;*/
  overflow: hidden;
  border-radius: 15%;
}
.footer .footer_box .software ul li a .ico img {
  width: 100%;
}
.footer .footer_box .software ul li a span {
  display: inline-block;
  width: 100%;
  text-align: center;
  font-size: 18px;
  color: #fff;
  margin-bottom: 3px;
}
.footer .footer_box .contact {
  width: 100%;
  padding: 0 15px;
}
.footer .footer_box .contact ul {
  display: flex;
  flex-wrap: wrap;
  margin-bottom: 0;
    padding-top: 12px;
}
.footer .footer_box .contact ul li {
  width: 25%;
  display: flex;
}
.footer .footer_box .contact ul li span {
  color: #fff;
  width: 100px;
  display: block;
  text-align-last: justify;
  font-size: 18px;
}
.footer .footer_box .contact ul li p {
  color: #fff;
  margin-bottom: 10px;
  font-size: 18px;
}
.footer .copyright {
  background-color: #ff6501;
}
.footer .copyright .copyright_p {
  max-width: 1200px;
  margin: auto;
  padding: 15px 0;
}
.footer .copyright .copyright_p p {
  font-size: 14px;
  color: #fff;
  text-align: center;
  margin-bottom: 0;
}
.footer .copyright .copyright_p p a {
  font-size: 14px;
  color: #fff;
}
.md_header_1 {
  position: fixed;
  left: 0;
  top: 0;
  width: 100%;
  z-index: 100;
}
.md_header_1 .md_box {
  display: flex;
  justify-content: space-between;
  padding: 15px;
  background-color: #f9f9f9;
}
.md_header_1 .md_box .md_img {
  width: 15%;
}
.md_header_1 .md_box .md_img img {
  width: auto;
  height: auto;
}
.md_header_1 .md_box .md_i {
  display: flex;
  align-items: center;
}
.md_header_1 .md_box .md_i i {
  font-size: 30px;
}
.md_menu_1 {
  position: fixed;
  left: -100%;
  top: 0;
  width: 100%;
  height: 100%;
  background-color: #666;
  z-index: 101;
  transition: all .5s ease;
}
.md_menu_1 .md_menu_header {
  width: 100%;
  display: flex;
  justify-content: space-between;
  padding: 15px;
  border-bottom: 1px solid #fff;
}
.md_menu_1 .md_menu_header .md_img {
  width: 40%;
}
.md_menu_1 .md_menu_header .md_img img {
  width: auto;
  height: auto;
}
.md_menu_1 .md_menu_header .md_i {
  display: flex;
  align-items: center;
}
.md_menu_1 .md_menu_header .md_i i {
  font-size: 30px;
  color: #fff;
}
.md_menu_1 .md_ul li {
  border-bottom: 1px solid #fff;
}
.md_menu_1 .md_ul li a {
  display: inline-block;
  width: 100%;
  padding: 15px 15px;
  color: #fff;
  font-size: 16px;
}
.footer .footer_box .software ul{
    flex-wrap: wrap;
    justify-content: space-around;
}
.footer .footer_box .software ul li{
    width: 40%;
    padding: 0 15px;
    transition: all .5s ease;
}
.footer .footer_box .software ul li:hover{
     transform: translate(0px,-8px); 
     -ms-transform: translate(0px,-8px); /* IE 9 */     
     -webkit-transform: translate(0px,-8px); /* Safari and Chrome */
}

 .lore_bg{
        background-color:#ff6501;
    }
    .lore_bg .lore_box{
        max-width:1200px;
        margin:auto;
    }
    .lore{
        margin-top: 25px;
    }
    .lore h4{
        font-size: 30px;
        text-align: center;
        color: #fff;
        padding: 25px 0 25px;
    }
    .lore ul{
        display: flex;
        flex-wrap: wrap;
        margin: 0;
        padding-bottom: 10px;
    }
    .lore ul li{
        width: 25%;
        padding: 0 15px;
    }
    .lore ul li a{
        display: block;
        text-align: center;
        color: #333;
        background-color: #fff;
        padding: 10px 0;
    }


@media only screen and (max-width: 1700px){
    .about1 .about_box{
        padding: 0 15px;
    }
    .about1 .about_box .about_center .left{
        padding-left: 0px;
    }
    /*产品中心*/
    .product .pro_1 p{
        font-size: 16px;
    }
    .product .pro_2 p{
        font-size: 16px;
    }
    .product .pro_3 p{
        font-size: 16px;
    }
    .product .pro_4 p{
        font-size: 16px;
    }
    .product .pro_5 p{
        font-size: 16px;
    }
    .product .pro_6 p{
        font-size: 16px;
    }
    .product .pro_3{
        width: 18%;
    }
    .product .pro_4{
        width: 18%;
    }
    .fine_0 span{
        font-size: 30px;
    }
     .fine_0 img{
        width: 100px;
    }
    .about1 .about_box .about_center .left .about_top .title_box h3{
        font-size: 32px;
    }
    .aboutpc .about_box .about_center .left .about_top {
        padding-top: 13%;
    }
}
@media only screen and (max-width: 1600px){
    /*关于我们*/
    .about1 .about_box .about_center .left .about_top .title_box h3{
        font-size: 27px;
    }
    /*产品优势*/
    .fine_0{
        width: 500px;
    }
    .fine_1,.fine_2{
        left: 6%;
    }
    .fine_3,.fine_4{
        right: 6%;
    }
    .aboutpc .about_box .about_center .left .about_top {
        padding-top: 5%;
    }
}
@media only screen and (max-width: 1500px){
    .fine_0 img{
       width: 70px;
    }
    
}
@media only screen and (max-width: 1400px) {
  .header .header_box {
    padding: 10px 15px;
  }
  .strength .strength_box ul {
    padding: 0 15px;
  }
  .video .video_box ul {
    padding: 0 15px;
  }
  .strength .strength_box ul {
    justify-content: space-around;
  }
  .fine_0 span {
     font-size: 20px;
   }
   .fine_0 p {
     font-size: 16px;
   }
   .fine_0 {
        width: 400px;
    }
    .about1 .about_box .about_center .left .about_top .title_box h3{
        font-size: 24px;
    }
    .aboutpc .about_box .about_center .left .about_top {
        padding-top: 0;
        padding-bottom: 15px;
    }
    .aboutpc .about_box .about_center .left .about_top .about_content p {
        font-size: 17px;
        line-height: 36px;
    }
}
@media only screen and (max-width: 1300px){
    .about1 .about_box .about_center .left .about_top .title_box h3{
        font-size: 22px;
    }
    .pro_honor .honor_title .honor h3{
        font-size: 30px;
    }
    .pro_honor .honor_title .honor h3:after{
        font-size: 25px;
    }
    .about_title h3{
        font-size: 30px;
    }
    .about_title h3:after{
        font-size: 25px;
    }
    .product .honor_title .honor h3{
        font-size: 30px;
    }
    .product .honor_title .honor h3:after{
         font-size: 25px;
    }
    .fine_title h3{
         font-size: 30px;
    }
    .fine_title h3:after{
         font-size: 25px;
    }
    .vidoe_title h3{
        font-size: 30px;
    }
    .vidoe_title h3:after{
        font-size: 25px;
    }
    .news_title h3{
        font-size: 30px;
    }
    .news_title h3:after{
        font-size: 25px;
    }
    .fine_0 img {
        width: 50px;
    }
}
@media only screen and (max-width: 1200px){
    .md_about{
        display: block;
        text-align: center;
        width: 100%;
    }
    .md_about img{
        width: auto;
        max-width: 100%;
    }
    .about1{
        /*background: initial;*/
    }
    .about1 .about_box .about_center .left{
        width: 100%;
    }
    .about1 .about_box .about_center .left .about_top .title_box{
        margin-top: 20px;
    }
    .footer .footer_box .software{
        width: 100%;
        padding: 0 15px;
    }
    .footer .footer_box .contact{
        width: 100%;
    }
    .footer .footer_box .contact ul li {
        width: 25%;
        display: flex;
        flex-direction: column;
    }
    .footer .footer_box .contact ul li p {
        text-align: center;
    }
    .footer .footer_box .contact ul li span {
        width: initial;
         text-align-last: initial;
        text-align: center;
    }
}
@media only screen and (max-width: 992px) {
  .product_title {
    display: none;
  }

  
  .product .pro_1 {
    position: absolute;
    left: 2%;
    top: 24%;
    width: 14%;
    transition: all .5s ease;
  }
  .product .pro_2 {
    position: absolute;
    left: 2%;
    bottom: 2%;
    width: 15%;
    transition: all .5s ease;
  }
  .product .pro_3 {
    position: absolute;
    left: 23%;
    bottom: 21%;
    width: 24%;
    transition: all .5s ease;
  }
  .product .pro_4 {
    position: absolute;
    right: 24%;
    bottom: 3%;
    width: 24%;
    transition: all .5s ease;
  }
  .product .pro_5 {
    position: absolute;
    right: 2%;
    bottom: 2%;
    width: 15%;
    transition: all .5s ease;
  }
  .product .pro_6 {
    position: absolute;
    right: 2%;
    top: 24%;
    width: 14%;
    transition: all .5s ease;
  }
  .strength .strength_box {
    padding-top: 50px;
    padding-bottom: 50px;
  }
  .journalism .journalism_box .jour ul li a .time {
    padding: 15px 15px;
  }
  .journalism .journalism_box .jour ul li a .time h3 {
    font-size: 20px;
  }
  .journalism .journalism_box .jour ul li a .jour {
    padding: 15px 10px;
  }
  .journalism .journalism_box .jour ul li a .jour p {
    margin-bottom: 0;
  }
  .footer .footer_box .product {
    display: none;
  }
  .footer .footer_box .software {
    padding-left: 15px !important;
  }
  .title{
    padding-top: 65px;
    margin-bottom: 25px;
  }
  .about1 .about_box .about_center .left .about_top .about_content{
    border-top: initial;
    border-bottom: initial;
    padding: 0;
  }
  .about1 .about_box .about_center .left .about_top{
      padding-bottom: 0;
  }
  .fine_0 {
        width: 45%;
    }
    .fine_1,.fine_2 {
        left: 15px;
    }
    .fine_3,.fine_4{
        right: 15px;
    }
    .fine_2,.fine_4{
        bottom: 1%;
    }
    .fine_1,.fine_3 {
        top: 17%;
    }
    .footer .footer_box .software{
        width: 100%;
    }
  
    .footer .footer_box .contact{
        width: 100%;
    }
}
@media only screen and (max-width: 768px) {
  .title {
    text-align: center;
    margin-top: 25px;
    margin-bottom: 30px;
    padding: 0 15px;
  }
  .journalism .journalism_box .jour ul li {
    width: 100%;
  }
  .video .video_box ul {
    flex-wrap: wrap;
  }
  .video .video_box ul li {
    width: 50%;
    padding: 0 5px;
  }
  .video .video_box ul li:last-child {
    display: none;
  }
  .footer .footer_box {
    flex-direction: column-reverse;
  }
  .footer .footer_box h4 {
    text-align: center;
  }
  .footer .footer_box .software {
    padding-right: 15px !important;
  }
  /*关于我们*/
  .about_title h3{
      font-size: 30px;
  }
  
  .strength_img{
      display: none;
  }
  .fine_1,.fine_2,.fine_3,.fine_4{
      position: initial;
      left: initial;
      top: initial;
      right: initial;
      bottom: initial;
      width: 45%;
  }
  .fine_box{
      background-color: #2c2c2c;
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      padding: 0 15px;
  }
  .fine_title{
      width: 100%;
  }
  .fine_title{
     
  }
  .fine_1{
      order: 1;
  }
  .fine_2{
       order: 3;
  }
  .fine_3{
       order: 2;
  }
  .fine_4{
       order: 4;
  }
  .fine_0 img {
    width: 100px;
    }
    .title {
        margin-top: 55px;
    }
    
    .footer .footer_box .software{
        width: 100%;
    }
    .footer .footer_box .contact{
        width: 100%;
    }
    .footer .footer_box .contact ul{
        padding-top: 0px;
    }
    .footer .footer_box h4{
        margin-bottom: 20px;
    }
    .footer .footer_box .software {
        order: 2;
    }
    .footer .footer_box .contact ul li {
        width: 33%;
    }
    
}
@media only screen and (max-width: 576px) {
  .strength .strength_box h3 {
    margin-bottom: 25px;
  }
  .strength .strength_box ul {
    flex-wrap: wrap;
  }
  .strength .strength_box ul li {
    width: 50%;
  }
  .strength .strength_box ul li img {
    display: none;
  }
  .strength .strength_box ul li span {
    font-size: 20px;
  }
  .video .video_box ul li {
    width: 100%;
    padding: 0;
    margin-bottom: 15px;
  }
  .journalism .journalism_box .jour ul li:nth-child(n + 4) {
    display: none;
  }
  .footer .footer_box .contact ul li {
    flex-direction: column;
  }
  .footer .footer_box .contact ul li span {
    color: #fff;
    width: 110px;
    display: block;
    text-align-last: justify;
    margin: auto;
  }
  .footer .footer_box .contact ul li p {
    text-align: center;
  }
  .footer_top {
    display: flex;
  }
  /*产品中心*/
  .product{
      display: flex;
      flex-wrap: wrap;
      justify-content: space-around;
      padding: 0 15px;
  }
  .home_pro2{
      display: none;
  }
  .product .honor_title{
      width: 100%;
      position: initial;
      left: initial;
      top: initial;
      right: initial;
      bottom: initial;
    transform: initial;
  }
  .product .pro_1,.product .pro_2,.product .pro_3,.product .pro_4,.product .pro_5,.product .pro_6{
      position:initial;
      left: initial;
      top: initial;
      right: initial;
      bottom: initial;
      width: 35%;
      margin-bottom: 25px;
      order: 3;
  }
  .product .pro_3{
      order: 1;
  }
  .product .pro_4{
      order: 2;
  }
    .product .pro_1{
      order: 4;
  }
  .product .pro_6{
      order: 5;
  }
  /*.product .witness_title{*/
  /*    position: absolute;*/
  /*    left: 50%;*/
  /*    top: 0;*/
  /*    transform:translateX(-50%);*/
  /*}*/
  .pro_honor{
        background-color: #f2f2f2;
  }
  .product{
    padding: 0;
  }
  .pro_honor .honor_title .honor h3::after{
      z-index: 1;
  }
  .about_title h3{
      font-size: 25px;
  }
  .about_title h3:after{
      font-size: 20px;
  }
  .about1 .about_box .about_center .left .about_top .title_box h3{
      font-size: 20px;
  }
  .about1 .about_box .about_center .left .about_top .title_box .triangle .line {
        width: 0;
        height: 0;
        border-top: 7px solid transparent;
        border-left: 11px solid #4f76b7;
        border-bottom: 7px solid transparent;
        margin-right: 9px;
    }
    .about1 .about_box .about_center .left .about_top .title_box .triangle {
        padding-left: 10px;
    }
    .about1 .about_box .about_center .left .about_top .about_content p{
        font-size: 16px;
        line-height: 30px;
    }
    .witness_title{
        margin-bottom: 0px;
    }
    .footer .footer_box .software ul li{
        width: 100%;
    }
    .footer .footer_box .contact ul li {
        width: 33%;
    }
    .list_video ul li {
        width: 50%;
    }
    .footer .footer_box .contact ul li {
        width: 50%;
    }
    .footer .footer_box .software {
        order: 0;
    }
    .footer .footer_box h4 {
        font-size: 20px;
    }
    .lore h4{
        font-size: 23px;
    }
    .lore ul li {
        width: 100% !important;
        padding: 5px 15px!important;
    }
    
}
@media only screen and (max-width: 350px){
    .about1 .about_box .about_center .left .about_top .title_box h3{
        margin-bottom: 0;
    }
    .about1 .about_box .about_center .left .about_top .title_box .triangle{
        padding-left: 5px;
    }
    .about1 .about_box .about_center .left .about_top .title_box .triangle .line{
        margin-right: 4px;
    }
}
@media only screen and (max-width: 320px){
    .about1 .about_box .about_center .left .about_top .title_box h3{
        font-size: 18px;
    }
}

@media only screen and (max-width: 1900px){
    .nature .about_box {
        padding-bottom: 160px;
    }
}
@media only screen and (max-width: 1800px){
    .nature .about_box {
        padding-bottom: 120px;
    }
}
@media only screen and (max-width: 1700px){
    .nature .about_box {
        padding-bottom: 75px;
    }
}
@media only screen and (max-width: 1600px){
    .nature .about_box {
        padding-bottom: 40px;
    }
}
@media only screen and (max-width: 1500px){
    .nature .about_box .about_center .left .about_top{
        padding-bottom: 35px;
    }
}
@media only screen and (max-width: 1400px){
    .nature .about_box .about_center .left .about_top{
        padding-bottom: 0px;
    }
}
@media only screen and (max-width: 1300px){
    .nature .about_box .about_center .left .about_top .about_content{
        padding: 0;
    }
}
@media only screen and (max-width: 1200px){
    .nature .about_box {
        padding-bottom: 40px;
    }
    .nature .about_box{
        padding: 0;   
    }
    .nature .about_box .about_center .left .about_top .about_content{
        padding: 15px;
    }
    .nature_tile{
        display: none;
    }
}
.purifier{
			width: 1920px;
			max-width: 100%;
			margin: auto;
			position: relative;
		}
		.purifier .purifier_pc{
			width: 100%;
		}
		.purifier .purifier_md{
			width: 100%;
			display: none;
		}
		.purifier_text{
			position: absolute;
			right: 6%;
			bottom: 24%;
			width: 36%;
		}
		.purifier_text span{
			font-size: 29px;
			font-weight: 600;
			font-weight: bold;
			color: #000;
			display: block;
			margin-bottom: 20px;
		}
		.purifier_text p{
			font-size: 22px;
			color: #000;
		}
		@media only screen and (max-width: 1700px){
		    .purifier_text{
    			position: absolute;
    			right: 6%;
    			bottom: 18%;
    			width: 36%;
    		}
		}
		@media only screen and (max-width: 1600px){
		    .purifier_text span{
		    	font-size: 25px;
		    }
		    .purifier_text p{
		    	font-size: 20px;
		    }
		}
		@media only screen and (max-width: 1400px){
		    .purifier_text span{
		    	font-size: 23px;
		    }
		    .purifier_text p{
		    	font-size: 18px;
		    }
			.purifier_text{
				bottom: 23%;
			}
			 .purifier_text{
    			bottom: 14%;
    		}
		}
		@media only screen and (max-width: 1300px){
		    .purifier_text span{
		    	font-size: 20px;
				margin-bottom: 10px;
		    }
		    .purifier_text p{
		    	font-size: 16px;
		    }
			.purifier_text{
				bottom: 23%;
			}
		}
		
		@media only screen and (max-width: 1200px){
		    .purifier .purifier_pc{
		    	display: none;
		    }
		    .purifier .purifier_md{
		    	display: block;
		    }
			.purifier_text{
			    margin-top: 25px;
				position: initial;
				right: initial;
				bottom: initial;
				width: 100%;
				padding: 0 15px;
			}
		}