.center_1395 {
  width: 1418px;
  margin: 0 auto
}

/* 轮播图区域 */
.swiper {
  width: 100%;
  height: 100%;
  overflow: hidden;
  z-index: 0;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;
  display: flex;
  justify-content: center;
  align-items: center;
}

.swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}


.Acoustic_knowledge .index_title {
  padding: 90px 0px 70px 0px
}

.Acoustic_knowledge .list1 {
  color: #fff;
}

.Acoustic_knowledge .list1 li {
  margin-bottom: 15px;
  background: #333;
}

.Acoustic_knowledge .list1 li:nth-child(2) {
  background: #0099ff;
}

.Acoustic_knowledge .list1 .left {
  width: 170px;
  height: 200px;
  border-right: 5px solid #fff;
  text-align: center;
  color: #fff;
}

.Acoustic_knowledge .list1 .left span {
  font-size: 12px;
  font-family: "Arial";
  display: block;
  text-transform: uppercase;
  transform: scale(0.8);
  margin-bottom: 3px;
  margin-top: 33px
}

.Acoustic_knowledge .list1 .left b {
  font-size: 48px;
  /*font-family: "FZLTZCHK";*/
  width: 44px;
  display: block;
  margin: 0px auto;
  line-height: 48px;
  /*font-weight: normal*/
}

.Acoustic_knowledge .list1 .left i {
  display: block;
  width: 12px;
  height: 12px;
  margin: 0px auto;
  background: url(../images/icon.png) no-repeat;
  background-position: -129px -6px;
  margin-top: 15px
}

.Acoustic_knowledge .list1 .text {
  overflow: hidden;
  padding-top: 25px;
  height: 200px;
  box-sizing: border-box;
  color: #fff;
}

.Acoustic_knowledge .list1 .text h4 {
  font-size: 18px;
  /*font-family: "FZLTZCHK";*/
  margin-bottom: 2px;
}

.Acoustic_knowledge .list1 .text h3 {
  font-size: 30px;
  /*font-family: "FZLTZCHK";*/
  line-height: 32px;
  margin-bottom: 20px
}

.Acoustic_knowledge .list1 .text p {
  font-size: 14px;
  line-height: 18px
}

.Acoustic_knowledge .list1 .text .content {
  width: 580px;
  padding-left: 150px
}

.Acoustic_knowledge .list1 .text .more {
  display: block;
  width: 35px;
  height: 35px;
  background: url(../images/icon.png) no-repeat;
  background-position: -89px -6px;
  margin: 55px 65px 0 0
}

.Acoustic_knowledge .list2 {
  width: 1204px;
  margin-left: -14px;
  padding-bottom: 80px
}

.Acoustic_knowledge .list2 li {
  color: #fff;
  width: 574px;
  height: 200px;
  float: left;
  margin: 0px 14px;
  font-family: "Microsoft yehei";
  background: #333;
}

.Acoustic_knowledge .list2 li:nth-child(1) {
  background: #0099ff;
}

.Acoustic_knowledge .list2 li h4 {
  font-size: 36px;
  padding: 45px 0px 5px 0px;
  text-align: center;
  /*font-family: "FZLTZCHK"*/
}

.Acoustic_knowledge .list2 li h4 i {
  display: inline-block;
  width: 25px;
  height: 25px;
  background: url(../images/icon.png) no-repeat;
  background-position: -146px -6px;
  margin-right: 15px
}

.Acoustic_knowledge .list2 li div {
  width: 270px;
  margin: 0px auto;
  font-size: 18px;
  line-height: 24px;
  /*font-family: "FZLTZCHK"*/
}

.Acoustic_knowledge .list2 li div span {
  white-space: nowrap;
  display: inline-block;
}

.Acoustic_products {
  background: url(../images/footer_bg.jpg);
  padding: 195px 0 137px 0;
  position: relative
}

.Acoustic_products .circle {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  min-width: 1200px;
  overflow: hidden
}

.Acoustic_products .circle img {
  width: 1920px;
  position: relative;
  left: 50%;
  margin-left: -960px
}

.Acoustic_products .video .box {
  width: 615px;
  float: left;
}

.Acoustic_products .video video {
  height: 355px
}

.Acoustic_products .video .text {
  overflow: hidden;
  height: 355px;
  background: #fff;
  padding: 110px 65px 0 65px;
  box-sizing: border-box
}

.Acoustic_products .video .logo {
  width: 77px;
  float: left
}

.Acoustic_products .video h2 {
  font-size: 18px;
  color: #666666;
  float: left;
  line-height: 30px;
  /*font-family: "FZLTZCHK";*/
  border-bottom: 2px solid #666666;
  margin-top: -3px;
  padding: 0px 3px;
}

.Acoustic_products .video p {
  font-size: 14px;
  color: #666666;
  padding-top: 20px;
}

.Acoustic_products .index_title {
  color: #fff;
  padding: 160px 0px 110px 0;
}

.Acoustic_products li {
  margin-bottom: 35px;
}

.Acoustic_products li .left {
  width: 380px;
  height: 550px;
  background: #fff;
  margin-right: 22px;
  text-align: center;
}

.Acoustic_products li .left h3 {
  font-size: 24px;
  /*font-family: "FZLTZCHK";*/
  padding: 80px 0px 6px 0px;
}

.Acoustic_products li .left span {
  height: 2px;
  background: #333;
  width: 40px;
  height: 3px;
  display: block;
  margin: 0 auto;
  margin-top: 4px;
}

.Acoustic_products li .left p {
  color: #999999;
  font-size: 12px;
  transform: scale(0.7);
  font-family: "Arial";
  text-transform: uppercase;
  margin-bottom: 10px;
}

.Acoustic_products li .left i {
  width: 26px;
  height: 26px;
  display: block;
  margin: 0px auto;
  background: url(../images/icon.png) no-repeat;
  background-position: -174px -6px;
}

.Acoustic_products li .left .pic {
  width: 325px;
  height: 325px;
  overflow: hidden;
  margin: 0px auto;
  margin-top: 35px;
}

.Acoustic_products li .left .pic img {
  width: 100%
}

.Acoustic_products li .right {
  overflow: hidden;
  background: #fff;
  height: 550px;
}

.Acoustic_products li .right .text {
  float: left;
  padding: 147px 0 0 125px;
}

.Acoustic_products li .right h2 {
  font-size: 36px;
  color: #666;
  /*font-family: "FZLTZCHK";*/
  padding-bottom: 28px;
}

.Acoustic_products li .right span {
  border-radius: 20px;
  color: #fff;
  width: 145px;
  height: 40px;
  display: block;
  line-height: 40px;
  text-align: center;
  /*font-family: "FZLTZCHK";*/
  font-size: 18px;
  /*font-weight: bold;*/
  margin-bottom: 10px;
  background: #333;
}

.Acoustic_products li .right span:nth-child(2) {
  background: #0099ff;
}

.Acoustic_products li .right .more {
  border-radius: 20px;
  font-size: 14px;
  border: 1px solid #333;
  width: 120px;
  height: 35px;
  line-height: 35px;
  box-sizing: border-box;
  display: block;
  text-align: center;
  margin-top: 47px;
}

.Acoustic_products li .right .pic {
  overflow: hidden;
  margin: 28px 20px 0 0;
  width: 380px;
  height: 495px;
  overflow: hidden;
}

.Acoustic_products li .swiper-button-next {
  background: url(../images/icon.png) no-repeat;
  background-position: -87px -56px;
  width: 35px;
  height: 35px;
  right: 30px;
}

.advantage {
  background: url(../images/adv_bg.jpg) no-repeat top center;
  background-size: 1920px 570px;
  padding-top: 114px;
  margin-bottom: 50px;
}

.advantage ul {
  width: 1140px;
  margin: 0px auto;
}

.advantage li {
  width: 346px;
  height: 228px;
  float: left;
}

.advantage li.logo {
  color: #fff;
  padding: 45px 0px 0px 12px;
  box-sizing: border-box;
}

.advantage li.logo .logo_pic {
  width: 160px;
  margin-bottom: 10px;
}

.advantage li.center_li {
  width: 448px
}

.advantage li img {
  width: 100%
}

.advantage li.text {
  background: #0099ff;
  color: #fff;
  padding: 50px 45px 0px 45px;
  box-sizing: border-box
}

.advantage li.team {
  color: #666;
  background: #fff
}

.advantage li h2 {
  font-size: 30px;
  /*font-family: "FZLTZCHK"*/
}

.advantage li h3 {
  font-size: 24px;
  /*font-family: "FZLTZCHK"*/
}

.advantage li h5 {
  font-size: 12px;
  font-family: "Arial";
  transform: scale(0.7);
  text-transform: uppercase;
  transform-origin: 0 0;
  padding: 3px 0px 25px 0px
}

.advantage li p {
  line-height: 18px
}

/*# sourceMappingURL=css.css.map */




/* 修改的公共头尾 */
body {
  min-width: 1395px;
}


.container {
  z-index: -1;
}


.chatWe {
  position: absolute;
  right: 150px;
  top: 50px;
}

.chatWe img {
  width: 129px;
  height: 129px;
  border-radius: 5%;
}

.pull_left {
  font-size: 20px;
  line-height: 72px;
  margin: 50px 0 32px 0;
  width: 120px;
  border-bottom: 5px solid white;
}




@media (max-width:1650px) {
  .header .tel {
    margin-right: 0px
  }
}

@media (max-width:1600px) {
  .index_case .text h2 {
    font-size: 40px;
  }

  .index_case .text {
    padding: 30px 20px 0 30px
  }

  .index_case .text p {
    font-size: 16px;
  }

  .index_case .text a {
    margin: 20px 0 0 10px;
  }
}



/* 新闻页 */
.arc-gray {
  width: 1418px;
  margin: 0 auto;
}

.arc_path {
  height: 50px;
  line-height: 50px;
  width: 1418px;
  margin: 0 auto;
}

.arc_article {
  height: auto;
}

.arc-list {
  display: flex;
  justify-content: space-between;
  margin-bottom: 30px;
  height: 306px\9;
  width: 1418px\9;
}

.arc-list img {
  display: block;
  max-width: 100%;
  height: auto;
  border: 0;
  vertical-align: bottom;
  width: 33%;
  float: left\9;
  height: 100%\9;
}

.arc-content {
  background-color: white;
  width: 67%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  float: right\9;
  height: 100%\9;
  height: 200px\9;
  padding-top: 106px\9;
}

.arc_time {
  width: 12%;
  text-align: center;
  float: left\9;
  width: 114px\9;
}

.arc_time p:nth-child(1) {
  font-size: 40px;
  font-weight: bold;
}

.arc_time p:nth-child(2) {
  font-size: 15px;
  color: #7a7a7a;
}

.arc_fql {
  float: left\9;
  width: 0.6px\9;
  height: 40%;
  border-left: 1px solid #ffffff;
}

.arc-news {
  width: 75%;
  margin-left: 10px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  float: left\9;
}

.arc-news h3 {
  font-size: 25px;
  font-weight: normal;
  width: 100%\9;
  display: block\9;
  /* height: 40px; */
  /* margin-bottom: 20px; */
}

.arc-news h3 a {
  color: black;
}

.arc-news h3 a:hover {
  color: #2fc16e;
}

.arc-news p {
  /* height: 30px; */
  /* line-height: 30px; */
  display: block;
  padding-top: 10px;
  width: 100%\9;
}

.arc-access {
  height: 50px;
  width: 50px;
  text-align: center;
  line-height: 50px;
  border: 1px solid #7a7a7a;
  border-radius: 5px;
  margin-right: 20px;
  float: left\9;
}

.arc-access a {
  font-size: 30px;
}

.arc-access:hover {
  border: 1px solid #2fc16e;
}


/* 新闻内容页 */
.layout_bg-gray {
  width: 100%;
  background-color: #F7F7F7;
  padding-bottom: 60px;
}

.article_x12 {
  width: 1418px;
  height: 60px;
  line-height: 60px;
  margin: 0 auto;
}

.article_x13 {
  width: 1298px;
  margin: 0 auto;
  height: auto;
  overflow: hidden;
  background-color: white;
  padding: 60px 60px 60px 60px;
}

.x13_title {
  width: 100%;
  text-align: center;
  margin-bottom: 30px;
}

.x13_text-default {
  width: 100%;
  text-align: center;
  padding-bottom: 20px;
  border-bottom: 1px solid #dadada;
}

.x13_text-default span {
  color: #7a7a7a;
}

.x13_content {
  margin-top: 20px;
  line-height: 1em;
  padding-bottom: 20px;
  border-bottom: 1px solid #dadada;
}

.x13_content img {
  width: 50%;
}
.x13_content a {
  color: brown;
}
.x13_content h2 {
    margin-top:10px;
    padding:0;
    line-height: 2em;
}
.x13_content p {
    margin-top:10px;
    padding:0;
    line-height: 1.5em;
}

.x13_page {
  margin-top: 20px;
  display: flex;
  justify-content: space-between;
}

.x13_page_left {
  width: 70%;
  float: left\9;
}
.x13_page_right{
  float: right\9;
}

.x13_page_right a {
  width: 120px;
  height: 50px;
  line-height: 50px;
  text-align: center;
  background-color: #5a5a5a;
  display: block;
  color: white;
}

.x13_page_right a:hover{
  background-color: #2fc16e;
  color: white;
}

.radius-rounded {
  border-radius: 2em;
  padding-left: 1em;
  padding-right: 1em;
}

/* 产品列表页 */
/* .bg-white{
  background-color: #fff;
} */
.pdcenter {
  width: 1418px;
  margin: 0 auto;
}

.line {
  width: 100%;
}

.nav-tree {
  height: 70px;
  line-height: 70px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.nav-tree li {
  display: inline-block;
  position: relative;
  vertical-align: baseline;
}

.nav-tree li a {
  color: #6E6E6E;
  display: block;
  padding: 0 30px;
  font-size: 16px;
  background: #fff;
}

.nav-tree li a.active,
.nav-tree li a.cur {
  background: linear-gradient(-45deg, #FFD100, #5a5a5a);
  color: #fff;
}

.pd-gray {
  background: #F7F7F7;
}

.pd-container {
  width: 1418px;
  margin: 0 auto;
}

.pd-bg-white {
  background-color: #fff;
}

.pd-padding-big {
  padding: 15px 25px;
}

.filter-box dl {
  margin: 15px 0;
  display: flex;
}

.pd-filter-box dl {
  margin: 15px 0;
  display: flex;
}

.pd-filter-box dl dt {
  width: 8%;
  display: block;
  flex: none;
  line-height: 24px;
  font-weight: normal;
  text-align: right;
}

.clearfix dd {
  display: block;
  float: left;
  position: relative;
}

.pd-filter-nav ul li {
  margin: 0;
  display: block;
  float: left;
  width: auto;
  line-height: 24px;
}

.pd-filter-nav ul li a.active {
  color: #fff;
  background: #5a5a5a;
}

.pd-filter-nav ul li a {
  margin: 0 10px 0 0;
  padding: 2px 10px;
  cursor: pointer;
  display: block;
  color: #6E6E6E;
  transition: .3s;
  -moz-transition: .3s;
  -webkit-transition: .3s;
}

.pd-filter-nav ul li b {
  font-weight: normal;
}

.blank-small {
  height: 20px;
  line-height: 20px;
  clear: both;
  font-size: 0;
}

.pd-list {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}

.pd-list li {
  width: 30.5%;
  background-color: white;
  margin-bottom: 20px;
  border: 1px solid #a6a6a6;
  float: left\9;
  margin-right: 10px\9;
  border-radius: 10px;
}

.img-responsive {
  width: 100%;
  display: block;
  max-width: 100%;
  height: auto;
  border-top-left-radius: 10px;
  border-top-right-radius: 10px;
}

.img-responsive2 {
  width: 100%;
  display: block;
  max-width: 100%;
  height: auto;
}

.pd-list li h2 a {
  color: black;
  font-weight: normal;
  font-size: 18px;
  height: 50px;
  line-height: 50px;
  display: block;
  text-align: center;
  border-bottom-left-radius: 10px;
  border-bottom-right-radius: 10px;
}

.pd-list li h2 a:hover {
  color: white;
  background-color: #5a5a5a;
  height: 50px;
  line-height: 50px;
  display: block;
  text-align: center;
}

.pd-list-price {
  color: #676767;
  height: 60px;
  padding: 20px 30px 0 20px;
  display: flex;
  justify-content: space-between;
}

.pd-list-price span {
  color: #5a5a5a;
  font-weight: normal;
  font-size: 25px;
  float: right\9;
}

.pd-list-price i {
  color: #7a7a7a;
  display: block\9;
  font-weight: normal;
}

.pd-pagination {
  display: flex;
  justify-content: center;
  height: 70px;
  align-items: center;
  display: block\9;
  width: 420px\9;
  margin: 0 auto\9;
}

.pd-pagination li {
  margin: 0 5px;
  font-size: 14px;
  border: none;
  border-radius: 4px;
  float: left\9;
  margin: 20px 0 20px 0\9;
  margin-right: 10px\9;
}

.pd-pagination li a {
  border-radius: 4px;
  color: #6e6e6e;
  background: #fff;
  padding: 12px 16px;
  border: 1px solid #DCDCDC;
}

.pd-pagination li.active a,
.pd-pagination li a:hover {
  background: #5a5a5a;
  color: #fff;
  border: 1px solid #5a5a5a;
}

/* 产品内容页 */
.pd_frame {
    display: flex;
    flex-direction: column; /* 垂直排列 */
    width: 100%;
    background-color: #F7F7F7;
    padding-bottom: 30px;
  overflow: hidden\9;
}

.pd_content {
  width: 1418px;
  height: auto;
  margin: 0 auto;
}

.pd_content img {
  width: 50%;
}

.pd-description {
  width: 100%;
  display: flex;
  overflow: hidden;
}

.pd_left{
  flex: 0 0 418px;
  width: 418px\9;
  float: left\9;
}

#img_preview{
  width: 400px;
  border: 1px solid #c2c2c2;
}

.pd_ul{
  list-style: none;
  padding: 0;
}

.pd_ul li {
  display: inline-block; 
  margin: 3px; 
  border: 1px solid #c2c2c2;
  width: 90px;
  height: 90px;
  cursor: pointer;
  *float: left!important;
}
      
.pd_ul li img {
  width: 100%;
  height: 100%;
  transition: transform 0.5s; 
}

.pd_ul li img:hover {
  transform: scale(1.2); /* 放大图片 */
}

.pd-right{
  flex-grow: 1;
  padding-left: 30px;
  float: left\9;
  width: 970px\9;
}
.pd_title{
  display: flex;
  height: 3.125rem;
  width: 100%\9;
}
.pd_title h1{
  display: block;
  height: 50px;
  line-height: 50px;
  font-size: 26px;
  font-weight: bold;
  flex: 0 0 36%;
  width: 580px\9;
  float: left\9;
}

.pd_quick {
    display: flex;
    justify-content: flex-end;
    flex-grow: 1;
  align-items: center;
  width: 390px\9;
  float: left\9;
  height: 50px\9;
  position: relative;
}

.pd_quick li{
  width: 50px;
  text-align: center;
  margin-right: 30px;
  cursor: pointer;
  float: right;
}

.pd_qr_code{
  position: absolute;
  top: 60px;
  right: 110px;
  top: 50px\9;
  right: 25px\9;
  display: none;
}
.pd_qr_code img{
  width: 150px;
  height: 150px;
  border-radius: 10px;
}

.pd_share{
  position: absolute;
  top: 60px;
  right: 35px;
  top: 50px\9;
  right: 120px\9;
  display: none;
  background-color: white;
}

.pd_abstract{
  margin: 15px 0 15px 0;
  width: 95%;
  font-size: 15px;
  line-height: 1.6em;
}

.pd_contact{
  height: 40px;
  width: 100%;
  margin-bottom: 10px;
  display: inline-flex;
}

.pd_Online_consultation {
  height: 40px;
  line-height: 40px;
  font-size: 14px;
  background-color: #3d3d3d;
  width: 13%;
  color: white;
  text-align: center;
  cursor: pointer;
  float: left\9;
  margin-right: 20px;
}

.pd_Online_consultation:hover {
  background-color: #791f07;
  color: white;
}

.pd_phone {
  height: 38px;
  line-height: 38px;
  font-size: 14px;
  width: 30%;
  color: black;
  text-align: center;
  cursor: pointer;
  float: left\9;
  margin-right: 20px;
  border: 1px solid black;
}

.pd_phone:hover {
  background-color: #791f07;
  color: white;
}

.pd_parameter{
  width: 80%;
  padding: 12px;
  border-radius: 10px;
  border: 1px dashed #696969;
  background-color: white;
  font-size: 14px;
  line-height: 1.3em\9;
}

.pd-zhishi-download{
  width: 220px;
}

.pd-describe{
  margin-top: 30px;
  width: 100%;
  background-color: #F7F7F7;
}

.pd-tabs {
  width: 1418px;
  margin: 0 auto;
}

.pd-tab-links {
  list-style: none;
  padding: 0;
  display: table;
  word-spacing:-1em;
}

.pd-tab-links li {
  display: inline-block;
  margin: 0; /* 设置左右外边距为0 */
}

.pd-tab-links a {
  text-decoration: none;
  padding: 10px 15px;
  display: block;
  border: 1px solid #ddd;
  border-bottom: none;
  background: #f4f4f4;
  color: #333;
}

.pd-tab-links a:hover,
.pd-tab-links li.pd-active a {
    background: #5a5a5a;
    color: white;
}

.pd-tab-content {
  border: 1px solid #ddd;
  padding: 15px;
  background-color: white;
}

.pd-tab {
  display: none;
}

.pd-tab.pd-active {
  display: block;
}

.pd-zhishi-download{
  display: block;
  margin-top: 10px;
  width: 140px;
}

.pd-recommend {
  width: 100%;
  background-color: #F7F7F7;
  padding: 30px 0 30px 0;
}

.pd-rec_content {
  width: 1418px;
  margin: 0 auto;
}

.pd-rec-title {
  height: 24px;
  line-height: 24px;
  display: flex;
  margin-bottom: 20px;
  align-items: center;
}

.line-1 {
  width: 4px;
  height: 100%;
  background-color: #5a5a5a;
  margin-right: 20px;
  float: left\9;
}

.pd-rec-title span {
  font-size: 22px;
}

.pd-rec_content ul {
  width: 1418px;
  display: flex;
}

.pd-rec_content ul li {
  width: 350px;
  background-color: white;
  margin: 0 10px 10px 0;
  display: flex;
  flex-direction: column;
  border: 1px solid #a6a6a6;
  text-align: center;
  float: left\9;
  width: 340px\9;
  margin-right: 8px\9;
  margin-bottom: 8px\9;
  
}

:root .pd-rec_content ul li {
    /* 仅在IE11中生效 */
    height: 386px;
}
:root .pd-rec_content ul li img {
  width: 100%;
  height: 350px;
}

.pd-rec_content ul li img {
  width: 100%;
}

.pd-rec_content ul li p {
  height: 40px;
  line-height: 40px;
  text-indent: 20px;
  color: #7a7a7a;
  font-size: 16px;
}

.pd-rec_content ul li p a:hover {
  color: #fe8b04;
}



/* 工程案例 */
.bg-gray {
  width: 100%;
  background-color: #F7F7F7;
}

.case-centent {
  width: 1418px;
  margin: 0 auto;
  overflow: hidden;
}
.img_text-center{
  padding: 10px 0 20px 0;
}
.case_list{
  width: 100%;
  margin: -10px;
  padding: -10px;
}

.case_item {
    float: left;
    width: 450px;
    display: block;
    margin: 0 20px 20px 0;
    position: relative;
  transition: all 0.2s linear 0s;
  box-shadow: 0 2px 5px rgba(0,0,0,.1);
  background: #fff;
}
.case_item:hover {
    -webkit-box-shadow: 0 15px 15px rgba(0,0,0,.1);
    box-shadow: 0 15px 30px rgba(0,0,0,.1);
    -webkit-transform: translate3d(0, -2px, 0);
    transform: translate3d(0, -2px, 0);
}
.case_img img{
  width: 100%;
  height: 350px;
  overflow: hidden;
  cursor: pointer;
  position: relative;
}
.case_txt{
  display: block;
  padding: 20px 40px 20px 20px;
}
.case_txt h3{
  font-size: 12px;
  -webkit-transition: all .3s ease-in-out 0s;
  -moz-transition: all .3s ease-in-out 0s;
  transition: all .3s ease-in-out 0s;
}
.case_txt h3:hover{
  color: #2fc16e;
}
.case_txt .desc {
    line-height: 24px;
    height: 52px;
    overflow: hidden;
    margin-bottom: 10px;
    cursor: pointer;
  color: #8c8c8c;
  font-size: 8px;
}
.case_txt span{
  display: block;
  color: #666;
  font-family: arial;
  padding-top: 10px;
  border-top: 1px solid #ddd;
}
.text-center{
  padding: 20px 0 20px 0;
}
.pagination{
  display: flex;
  justify-content: center;
}
.pagination li{
    float: left\9;
    text-align: center;
    border: 1px solid #aaaaaa;
    padding: 10px;
    margin-right: 10px;
    border-radius: 7px;
    height: 15px;
    line-height: 15px;
}
.pagination li:hover{
  cursor: pointer;
  background-color: white;
}
.pagination li a {
    font-size: 12px;
    color: #676767;
}

/* 工程案例详情页 */
.case-view{
  width: 100%;
}
.case-view-content {
    width: 1298px;
    margin: 0 auto;
    background-color: white;
    padding: 60px;
}
.case-view-content h1{
  display: block;
  width: 100%;
  text-align: center;
  margin-bottom: 30px;
}
.case-text-gray {
    width: 100%;
    text-align: center;
    padding-bottom: 20px;
    border-bottom: 1px solid #dadada;
}
.case-post{
  margin-top: 20px;
}
.floating-btn {
    position: fixed;
    bottom: 20px;
    right: 20px;
    width: 60px;
    height: 60px;
    color: #fff;
    border-radius: 50%;
    text-align: center;
    line-height: 60px;
    cursor: pointer;
}