/*页面灰色*/
.gray {
  filter: progid:DXImageTransform.Microsoft.BasicImage(grayscale=1);
  -webkit-filter: grayscale(100%);
  -moz-filter: grayscale(100%);
  -ms-filter: grayscale(100%);
  -o-filter: grayscale(100%);
  filter: grayscale(100%);
  filter: gray;
}

@font-face {
  font-family: "Bahnschrift";
  src: url("../../fonts/Bahnschrift.ttf") format("truetype");
  font-weight: normal;
  font-style: normal;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

/*头部*/
.header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 90px;
  min-width: 1340px;
  z-index: 9999;
  color: #fff;
  box-shadow: 0 0 3px 2px rgba(4, 6, 60, 0.5);
  background-color: rgba(4, 6, 60, 0.7);
  transition: all 0.4s;
}

.header-small {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 40px;
  min-width: 1340px;
  z-index: 9999;
  color: #fff;
  box-shadow: 0 0 3px 2px rgba(4, 6, 60, 0.2);
  background-color: rgba(4, 6, 60, 0.4);
  transition: all 0.4s;
}

.header-small.hides {
  top: -60px;
}
.header.hides {
  top: -90px;
}
.header-small .logo-left,
.header-small .menu-right {
  margin: 6px 0;
}
.header-small .logo-left {
  margin-left: 20px;
  float: left;
}

.header-small .logo-left a {
  display: flex;
  align-items: center;
  height: 28px;
}

.header-small .logo-left img {
  width: 90px;
}
.header-small .menu-right {
  margin-right: 20px;
  float: right;
  cursor: pointer;
}

.logo {
  display: flex;
  align-items: center;
  border-top: 6px solid #ffc000;
  width: 210px;
  height: 90px;
  padding-left: 50px;
  float: left;
}

.logo a {
  display: inline-block;
  width: 100%;
  line-height: 1;
}

.logo img {
  width: 100%;
  object-fit: cover;
}

/*导航*/
.header-right {
  /* width: 1000px; */
  height: 90px;
  float: right;
}

.tel {
  margin: 0 80px 0 50px;
  line-height: 90px;
  font-size: 20px;
  float: right;
}

.tel img {
  margin-right: 10px;
}
.tel span,
.tel img {
  font-family: Arial;
  display: inline-block;
  vertical-align: middle;
}

.nav {
  position: relative;
  list-style: none;
  float: left;
}

.nav .line {
  display: block;
  width: 30px;
  height: 6px;
  background: #ffc000;
  position: absolute;
  top: 0;
  display: none;
}


.nav .li {
  position: relative;
  /* float: left;
  margin: 0 25px;
  height: 90px;
  line-height: 90px;
  text-align: center;
  font-size: 16px;
  font-weight: 600; */
  float: left;
  width: 100px;
  height: 90px;
  line-height: 90px;
  text-align: center;
  font-size: 16px;
  font-weight: 700;
}

.nav .li a {
  position: relative;
  display: block;
  z-index: 1010;
  color: #fff;
}

.nav div {
  display: inline-block;
}

/*导航选中效果*/
.nav .selected {
  color: #fff;
}

.nav .selected {
  position: relative;

  /* &::after {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 6px;
    background-color: #ffc000;
  } */
}

/* .nav .nav_list:hover {
  &::after {
    content: "";
    display: block;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 6px;
    background-color: #ffc000;
  }
} */

.nav .li:hover .nav_list_child {
  display: block;
}

.header-right .nav_list_child {
  display: none;
  position: absolute;
  top: 90px;
  left: 50%;
  transform: translateX(-50%);
  height: auto;
  overflow: hidden;
  z-index: 1000;
  transition: all 0.4s;
}

.header-right .nav_list_child li {
  padding: 0 15px;
  width: 100%;
  height: 40px;
  line-height: 40px;
  text-align: center;
  background-color: rgba(4, 6, 60, 0.4);
}

.header-right .nav_list_child li a {
  color: #fff;
  white-space: nowrap;
  font-size: 16px;
}

.header-right .nav_list_child li a:hover {
  color: #ffc000;
}

.bottom_form {
  width: 1200px;
  display: flex;
  align-items: center;
  margin: 0 auto 80px;
}

.bottom_form .form_header div {
  float: left;
  width: 310px;
  height: 60px;
  border: 1px solid #ebebeb;
  position: relative;
  margin-right: 20px;
}

.bottom_form .form_header div span {
  display: block;
  position: absolute;
  left: 20px;
  top: 0;
  bottom: 0;
  margin: auto;
  font-size: 16px;
  color: #333;
  height: 16px;
  line-height: 16px;
}

.bottom_form .form_header div input {
  border: none;
  outline: none;
  width: 100%;
  text-indent: 75px;
  height: 100%;
  font-size: 16px;
  color: #000;
  background-color: transparent;
}

.bottom_form .form_btn {
  text-align: center;
}

.form_btn button {
  width: 200px;
  height: 60px;
  line-height: 60px;
  border: 1px solid #e5e5e5;
  font-size: 16px;
  color: #333333;
  background-color: #f5f5f5;
  cursor: pointer;
  transition: all 150ms linear 0s;
}

.form_btn button:hover {
  border: 1px solid #ffc000;
  background-color: #ffc000;
  color: #ffffff;
  transition: all 150ms linear 0s;
}

/*footer*/
.footer {
  height: 380px;
  min-width: 1340px;
  width: 100%;
  padding-top: 100px;
  /* background: url(../images/bottombar.png) repeat center center; */
  background: rgba(4, 6, 60, 0.95);
  color: #fff;
}

/**/
.footer_box1 {
  position: relative;
  width: 650px;
  border-right: 1px solid #474977;
}

.footer_box1 h3 {
  font-size: 22px;
  font-weight: 400;
  margin-bottom: 10px;
}

.footer_box1 .webimage {
  display: block;
  margin-bottom: 20px;
  font-size: 15px;
}

.footer_box1 strong {
  display: block;
  font-size: 28px;
  margin-bottom: 40px;
}

.footer_box1 .foot_p {
  margin-bottom: 5px;
  color: #fff;
}

.footer_box1 .foot_p a {
  color: #fff;
}

.address {
  font-size: 14px;
  margin-bottom: 5px;
}

.qq {
  font-size: 14px;
}

.code {
  width: 100%;
  padding-left: 10px;
}

.code p {
  display: inline-block;
  width: 100px;
  padding-top: 50px;
  margin-right: 45px;
  text-align: center;
}
.code p:last-child {
  margin-right: 0;
}

.copy,
.beian {
  font-size: 14px;
  margin-bottom: 20px;
}

.copy a,
.beian a {
  color: #fff;
}

.links {
  font-size: 12px;
  margin-bottom: 20px;
  color: #bbb;
}

.links a {
  color: #bbb;
  margin-right: 10px;
}

/**/
.foot_top {
  margin-bottom: 50px;
  display: flex;
  justify-content: space-between;
}

.foot_botoom {
  display: flex;
}

.foot_botoom .img_box {
  margin-right: 50px;
  width: 120px;
  text-align: center;
}

.foot_botoom .img_box img {
  margin-bottom: 15px;
  width: 120px;
  height: 120px;
  background-color: red;
}

.foot_botoom .img_box a {
  text-align: center;
  color: #fff;
}

.footer_box2 .footer_nav {
  margin-bottom: 40px;
  width: 630px;
  overflow: hidden;
}

.footer_box2 .footer_nav li {
  float: left;
  width: 110px;
}

.footer_box2 .footer_nav li:not(:last-child) {
  margin-right: 10px;
}

.footer_nav li a {
  font-size: 20px;
  color: #fff;
}

.footer_nav li a {
  display: block;
  height: 30px;
  line-height: 30px;
  text-align: left;
  color: #fff;
}

.footer_nav li a:hover {
  color: #ffc000;
}

/*aside*/
.aside {
  position: fixed;
  z-index: 1050;
  bottom: 140px;
  right: 0;
  color: #fff;
}

.aside div {
  position: relative;
  margin-bottom: 10px;
  height: 60px;
  width: 60px;
}

.aside i {
  position: absolute;
  z-index: 1050;
  width: 60px;
  height: 60px;
  background: rgba(4, 6, 60, 0.5) url(../images/fixed_icon_phone.png) no-repeat
    center center;
  transition: all 0.3s linear;
}

.aside b {
  position: absolute;
  right: -180px;
  top: 0;
  z-index: 1020;
  width: 180px;
  text-align: center;
  padding: 0 18px;
  line-height: 60px;
  font-size: 18px;
  background: #ffc000;
  opacity: 0.8;
  transition: right 0.45s linear;
}

.aside_ai b {
  width: 102px;
}

.aside .img_box {
  position: absolute;
  top: 0;
  right: -180px;
  padding: 20px;
  width: 160px;
  height: 160px;
  background: #ffc000;
  line-height: 60px;
  text-align: center;
  font-size: 18px;
  opacity: 0.8;
  transition: right 0.45s linear;
  z-index: 1020;
}

.aside .img_box img {
  width: 120px;
  height: 120px;
}

.aside_ai {
  margin-bottom: 10px;
  position: relative;
  display: block;
  height: 60px;
  width: 60px;
}

.aside_ai i {
  background-image: url(../images/AI.png);
}

.aside_service i {
  background-image: url(../images/consult.png);
}

.aside_service i:hover {
  background-image: url(../images/consult_hover.png);
}

.top i {
  background-image: url(../images/fixed_icon_top.png);
}

.aside_phone i:hover {
  background-image: url(../images/fixed_icon_phone1.png);
}

.aside_ai i:hover {
  background-image: url(../images/AI_hover.png);
}

.top i:hover {
  background-image: url(../images/fixed_icon_top1.png);
}

.aside i:hover {
  background-color: #ffc000;
}

.aside div:hover b {
  right: 60px;
}

.aside div:hover .img_box {
  right: 60px;
}

/*按钮样式*/
.btn {
  width: 400px;
  height: 80px;
  background: url(../images/more_normal.png) no-repeat center center;
  text-align: center;
  line-height: 80px;
  font-size: 24px;
  color: #333;
  transition: all 0.15s linear;
}

.btn:hover {
  background-image: url(../images/more_selected.png);
  color: #fff;
  font-weight: 600;
}

/*频道标题*/
.channel_tit {
  position: relative;
  height: 170px;
  padding-top: 90px;
}

.channel_tit .channel_nav {
  position: absolute;
  top: 90px;
  left: 20px;
}

.channel_tit .channel_nav li {
  float: left;
  font-size: 16px;
  color: #666;
  margin-right: 50px;
}

.channel_tit .channel_nav li:hover {
  color: #ffc000;
  cursor: pointer;
}

.channel_tit .channel_nav li a {
  color: #666;
}

.channel_tit .channel_nav li a:hover {
  color: #ffc000;
}

.channel_tit .channel_nav .nav_selected {
  color: #ffc000;
}

.channel_tit i {
  position: absolute;
  top: 90px;
  right: 20px;
  font-size: 18px;
  color: #666;
}

/*案例*/
.case {
  height: auto;
  min-width: 1340px;
  /*width: 1900px;*/
  width: 100%;
}

.case_header {
  position: relative;
  margin-bottom: 30px;
}

.case_nav li {
  float: left;
  font-size: 16px;
  color: #666;
  margin-right: 50px;
}

.case_nav li:hover {
  color: #ffc000;
  cursor: pointer;
}

.case_nav li a {
  color: #666;
}

.case_nav li a:hover {
  color: #ffc000;
}

.case_nav .case_selected {
  color: #ffc000;
}

.case_cont {
  width: 100%;
  height: auto;
}

.case_image {
  position: relative;
  float: left;
  width: 25%;
  height: 135px;
}

.case_image img {
  width: 100%;
  height: 135px;
  vertical-align: middle;
  object-fit: cover;
}

/**/
/* .case_image:hover .case_detail {
  opacity: 0.8;
} */

.case_content {
  margin: 0 auto;
  width: 90%;
}


.case_detail {
  /* position: absolute;
  top: 0;
  left: 0; */
  /*width: 320px;
	height: 350px;*/
  width: 100%;
  height: 135px;
  padding: 20px;
  background: rgba(255, 192, 0, 0.8);
  border: 1px solid #fff;
  /* opacity: 0; */
  color: #111346;
  /* z-index: 1000; */
  transition: opacity 0.45s ease-out;
  overflow: hidden;
}

.case_detail img {
  position: absolute;
  top: 0;
  left: 0; 
  width: 100%;
  height: 135px;
  z-index: -1;
}

.case_detail .case_title {
  font-size: 14px;
  margin-bottom: 10px;
}

.case_detail i {
  display: block;
  width: 30px;
  height: 1px;
  /* margin-bottom: 10px; */
  background: #111346;
}

.case_detail h3 {
  font-size: 24px;
  font-weight: 600;
  overflow: hidden;
  white-space: nowrap;
  text-overflow: ellipsis;
}

.case_detail .case_cont {
  text-align: justify;
  line-height: 22px;
}

/*显示隐藏 切换效果*/
.case_content ul {
  display: none;
}

.case_content .on {
  display: block;
}

/*关于我们- 300 NO1 10*/
.about_detail {
  margin-top: 60px;
  width: 798px;
  height: 100px;
  padding: 60px 0 110px;
  margin: 0 auto;
}

.about_detail li {
  float: left;
  width: 266px;
  height: 100px;
  line-height: 60px;
  font-family: Bahnschrift;
  font-size: 100px;
  color: #ffc000;
  font-weight: 600;
  text-align: center;
}

.about_detail li b {
  display: block;
  font-size: 14px;
  color: #666;
  line-height: 0;
  margin-top: 30px;
}

/* 弹出层样式 */
.modal-overlay {
  display: none;
  position: fixed;
  top: 0;
  right: 0;
  width: 30%;
  height: 100%;
  z-index: 1000;
  justify-content: center;
  align-items: center;
}

.modal-container {
  background-color: white;
  width: 80%;
  height: 80%;
  border-radius: 8px;
  box-shadow: 0 0 20px rgba(0, 0, 0, 0.3);
  display: flex;
  flex-direction: column;
}

.modal-header {
  padding: 15px;
  border-bottom: 1px solid #eee;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.modal-title {
  margin: 0;
  font-size: 18px;
}

.modal-close {
  background: none;
  border: none;
  font-size: 24px;
  cursor: pointer;
  color: #999;
}

.modal-content {
  flex: 1;
  padding: 15px;
  /* overflow: auto; */
}

.modal-iframe {
  width: 100%;
  height: 100%;
  border: none;
}

/*  随机浮动物  */
.floating-item {
  position: absolute;
  width: 64px;
  height: 64px;
  display: inline-block;
  /* background: url(../images/robot.png) no-repeat center / cover; */
  transition: transform 0.3s ease;
  cursor: pointer;
  z-index: 100000;
}

.images_floating {
  width: 64px;
  height: 64px;
  display: inline-block;
  /* background: url(../images/robot.png) no-repeat center / cover; */
}

.images_floating img {
  width: 100%;
  height: 100%;
}
.floating-child {
  display: none;
  position: absolute;
  top: 20px;
  left: 60px;
  width: 140px;
  /* background-color: #ffc000; */
  /* box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1); */
  transition: all 0.3s ease;
}

.floating-child .item {
  display: block;
  padding: 10px 20px;
  font-size: 14px;
  color: #ffc000;
}

/* .floating-child .item:not(:last-child) {
  border-bottom: 1px solid #ddd;
} */