body {
  background-color: #212327;
  font: "apple-system,BlinkMacSystemFont,Segoe UI,Roboto,Helvetica Neue,Arial,Noto Sans,sans-serif,Apple Color Emoji,Segoe UI Emoji,Segoe UI Symbol,Noto Color Emoji";
}

#component-container {
  margin-bottom: 100px;
}



.navbar-expand-lg .navbar-nav .nav-link {
  font-size: 14px;
  padding-right: 0px;
  padding-left: 0px;
}



.bottom_item {
  height: 350px;
  margin-bottom: 100px;
  margin-top: 120px;
}

.bottom_item img {
  width: 700px;
}

.bottom_item img+.tx_wrap {
  margin-left: 60px;
}

.bottom_item .tx_wrap+img {
  margin-left: 60px;
}

.bottom_item .tx_wrap {
  width: 560px;
}

.bottom_item .title {
  font-size: 30px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 35px;
  letter-spacing: 0px;
  padding-bottom: 25px;
  margin-bottom: 0;
}

.bottom_item .title a {
  color: #ffffff;
}

.bottom_item .text {
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 35px;
  letter-spacing: 1px;
  color: #d3d3d3;
  text-align: justify;
}

.tx_wrap ul {
  color: #d3d3d3;
  margin-left: 20px;
  line-height: 34px;
  font-size: 16px;
  letter-spacing: 1px;
}

.text div {
  width: 10px;
  height: 2px;
  background-color: #9f9f9f;
}




.bg3 .bottom_con {
  opacity: 0;
  z-index: 100;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.bg3 .bottom_con.active {
  opacity: 1;
  /* animation: myfirst2 0.3s 1; */
  transform-origin: center;
  z-index: 101;
}

.web_nav {
  background-color: rgb(26, 28, 32);
  position: sticky;
  z-index: 1000;
  top: 0;
  width: 100%;
  height: 80px;
  padding: 13px 10px;
}

.web_nav a {
  color: #fff;
  font-size: 14px;
}

.web_nav .nav-item {
  position: relative;
  overflow: hidden;
  margin-right: 20px;
  margin-left: 20px;
}

.web_nav .nav-item:hover {
  overflow: visible;
}

.web_nav .nav-item:hover a {
  color: #6698ff;
}

.web_nav .nav-item:hover .nav_list {
  top: 23px;
  opacity: 1;
  height: 72px;
  transition: all 0.5s;
}

.web_nav .nav-item:hover .nav_list .nav_list_ {
  background-color: #fff;
  border-radius: 3px;
  height: 100%;
  top: 22px;
}

.web_nav .nav-item .nav_list {
  position: absolute;
  top: 140px;
  opacity: 0;
  padding-top: 10px;
  width: 200px;
  z-index: 200;
}

.web_nav .nav-item .nav_list .nav_list_ {
  position: absolute;
  width: 100%;
  left: 0px !important;
  top: 0px;
  background-color: #fff;
  border-radius: 3px;
}

.web_nav .nav-item .nav_list a {
  color: #333;
}

.web_nav .nav-item:hover .line {
  width: 100%;
}

.web_nav .line {
  display: block;
  position: absolute;
  bottom: 0;
  width: 0;
  height: 2px;
  background-color: #6698ff;
  transition: width 0.2s;
  bottom: 0px;
  border-radius: 10px;
}

.navbar-brand {
  width: 114px;
  height: 36px;
  /* margin-left: 100px; */
  margin-right: 80px;
  line-height: 34px;
}

/* 中心内容开始 */

.describe .banner{
  margin: 0 auto;
  background-image: url('../images/custom_applications/banner.jpg');
  width: 100%;
  height: 480px;
  background-size: 100% 100%;
  overflow: hidden;
}
.banner_content{
  width: 1200px;
  margin:0  auto;
  margin-top: 40px;
}
.describe .banner h2{
  color: #fff;
  font-size: 24px;
  line-height: 50px;
}

.describe .banner .btn{
  width: 300px;
  line-height: 30px;
  background-color: #3370ff;
  color: #fff;
  font-size: 20px;
  margin-top: 30px;
  text-align: center;
  margin-left: 150px;
}

.describe .banner .btn p{
  margin-bottom: 0;
  letter-spacing: 1px;
}
.describe .text{
  color: #fff;
  margin-top: 40px;
  font-size: 16px;
  line-height: 38px;
  width: 650px;
  text-align: justify;
}


.works_content {
  width: 1200px;
  margin: 0 auto;
}

.works_list {
  padding-top: 10px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
}

.works_list li {
  width: calc(100%/3 - 20px);
  margin-top: 20px;
  list-style: none;
  position: relative;
}

.works_list li img {
  width: 100%;
}
.works_list li p{
    color: #ffffff;
    font-size: 18px;
    margin-bottom: 0;
    margin-top: 6px;
}
.works_list li video{
  display: block;
}








/* 自定义样式 */
.logo {
  margin-left: 90px;
  margin-right: 120px;
}



footer {
  background-color: #212327;
  padding-top: 60px;

  border: 1px solid transparent;
}

footer .foot_con {
  padding-bottom: 21px;
}

footer .foot_con .left a {
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 14px;
  letter-spacing: 0px;
  color: #9f9f9f;
  margin-right: 40px;
}

footer .foot_con img {
  width: 121px;
}

footer .txt {
  flex: 1;
  font-size: 14px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 27px;
  letter-spacing: 0px;
  color: #9f9f9f;
  padding: 20px 0 28px;
  text-align: center;
  border-top: 1px solid #323232;
  width: 1200px;
  margin: 0 auto;
}

footer .txt a {
  color: #9f9f9f;
  text-decoration: none;
}



.swiper_con .swiper_con_item div.img_modal {
  width: 100%;
  position: absolute;
  left: 0;
  background-color: #000000;
  /* opacity: .8; */

}