body {
  background-color: #070708;
  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: 80px;
}

.web_first {
  width: 100%;
  margin: 0 auto;
  position: relative;
  margin-bottom: 30px;
}

.web_first .bg {
  display: block;
  width: 100%;
}

.web_first_con {
  position: absolute;
  top: 13%;
  left: 50%;
  transform: translate(-50%, 0);
}

.web_first_con .left_text {
  color: #fff;
  margin-top: 20px;
}

.web_first_con .left_text .title {
  display: block;
  font-size: 50px;
  line-height: 80px;
  margin-bottom: 40px;
}

/* .web_first_con .left_text .web_btn {
  width: 140px;
  height: 40px;
  border-radius: 2px;
  cursor: not-allowed;
} */

.navbar-expand-lg .navbar-nav .nav-link {
  font-size: 14px;
  padding-right: 0px;
  padding-left: 0px;
}

.swiper1 {
  background-color: palegoldenrod;
  height: 400px;
}

.tab_nav {
  border-bottom: 1px solid #253d60;
  margin-bottom: 60px;
  padding: 0 0 42px 0;
}

.tab_nav .tab_item {
  border-bottom: 2px solid transparent;
  width: 25%;
  text-align: center;
  display: flex;
  position: relative;
}

.tab_nav .tab_item .tab_txt {
  padding-left: 6px;
  text-align: left;
}

.tab_nav .tab_item .hot {
  color: #fff;
  line-height: 1.5;
  font-size: 10px;
  padding: 0px 8px;
  background-color: red;
  border-radius: 2px;
  position: absolute;
  right: -52px;
  top: 0;
}

.tab_nav .tab_item.active {
  width: 25%;
}

.tab_item .item-container {
  position: relative;
}

.tab_item .item-container .txt1-container {
  padding-left: 5px;
  width: 100%;
}

.tab_item .tab_line {
  display: block;
  width: 0px;
  height: 3px;
  background-color: #6698ff;
  position: absolute;
  bottom: -46px;
}

.tab_nav .tab_item.active .tab_line {
  width: 100%;
  transition: width 0.5s;
}

.tab_nav .tab_item img {
  width: 28px;
  height: 28px;
  margin-right: 11px;
}

.tab_nav .tab_item .txt1 {
  line-height: 28px;
  font-size: 18px;
  color: #fff;
  margin: 0;
  position: relative;
}

.tab_nav .tab_item .txt2 {
  margin-top: 12px;
  margin-bottom: 0;
  line-height: 14px;
  font-size: 14px;
  color: #9f9f9f;
}


.tab_con {
  position: relative;
  height: 400px;
}

.tab_con .tab_con_item {
  color: #fff;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transform-origin: center;
  display: none;
  z-index: 100;
}

.tab_con .tab_con_item.active {
  display: flex;
  transform-origin: center;
  z-index: 101;
  /* animation: myfirst2 0.3s 1; */
}

.tab_con .tab_con_item .left .bottom_txt {
  width: 100%;
  /* margin-top: 20px; */
  padding-right: 64px;
}

.tab_con .tab_con_item .left .bottom_txt .web_btn {
  width: 150px;
  height: 50px;
  border-radius: 25px;
  font-size: 20px;
  /* letter-spacing: 1; */
  cursor: not-allowed;
}

.tab_con .tab_con_item .left .money {
  color: #6698ff;
  font-size: 42px;
}

.tab_con .tab_con_item .left .money_icon {
  color: #6698ff;
  font-size: 42px;
}

.tab_con .tab_con_item .con {
  width: 534px;
}

.tab_con .tab_con_item .con.left {
  width: 566px;
}

.tab_con .tab_con_item .con .txt1 {
  margin-top: 30px;
  margin-bottom: 0;
  font-size: 32px;
  color: #fff;
  padding-top: 0px;
  padding-bottom: 0px;
  line-height: 31px;
  letter-spacing: 4px;
}

.tab_con .tab_con_item .con .txt2 {
  margin-top: 10px;
  margin-bottom: 0;
  font-size: 20px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 30px;
  letter-spacing: 1px;
  color: #fff;
  text-align: justify;
  margin-bottom: 20px;
}
.tab_con .tab_con_item .con .txt3{
  margin-bottom: 0;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 30px;
  letter-spacing: 1px;
  color: #fff;
  text-align: justify;
  margin-top:54px;
} 

.tab_con .tab_con_item .right {
  position: relative;
}
.tab_con .tab_con_item .right video{
  display: block;
}

.tab_con .tab_con_item .right .play_icon {
  background-color: rgba(255, 255, 255, 0.6);
  backdrop-filter: blur(10px);
  border-radius: 50%;
  content: '';
  display: block;
  margin: auto;
  position: absolute;
  width: 80px;
  height: 80px;
  z-index: 1;
  left: 50%;
  top: 50%;
  cursor: pointer;
  opacity: 1;
  transform: translate(-50%, -50%) scale(1);
  transition: all 0.3s;
}

.tab_con .tab_con_item .right .play_icon .arrow {
  position: absolute;
  width: 30px;
  height: 30px;
  z-index: 999;
  left: 50.5%;
  top: 50%;
  transform: translate(-50%, -50%);
}

.tab_con .tab_con_item .right .play_icon.hide {
  display: block;
  transform: translate(-50%, -50%) scale(1.3);
  transform-origin: center;
  opacity: 0;
  transition: all 0.3s;
}

.s_txt1 {
  font-size: 60px;
  color: #6698ff;
}

.s_txt2 {
  font-size: 26px;
  line-height: 27px;
  color: #fff;
  margin-bottom: 40px;
  letter-spacing: 2px;
}

.swiper_con {
  height: auto;
  position: relative;
  height: 100%;
  display: none;
}

.swiper_con.active {
  display: block;
  /* animation: myfirst3 0.3s 1; */
}

.swiper_con .rative_box {
  position: relative;
  height: 587px;
}

.swiper_con .swiper_con_item {
  position: absolute;
  width: 100%;
  height: 100%;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  transform-origin: center;
  display: none;
  z-index: 100;
}

.swiper_con .swiper_con_item.active {
  display: flex;
  /* animation: myfirst2 0.3s 1; */
  z-index: 101;
}




.swiper_con .swiper_con_item img {
  width: 100%;
}

.swiper_con .btnlist {
  margin-top: 40px;
}

.swiper_con .btnlist .btn {
  padding: 0;
  margin-right: 10px;
  width: 64px;
  border: none;
}



.bottom_item {
  height: 350px;
  margin-bottom: 40px;
}

.bottom_item img {
  width: 580px;
}

.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: 20px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 35px;
  letter-spacing: 0px;
  color: #ffffff;
  padding-bottom: 25px;
  margin-bottom: 0;
}

.bottom_item .text {
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 35px;
  letter-spacing: 1px;
  color: #d3d3d3;
}

.lines_wrap {
  flex: 1;
  background-color: #172436;
  height: 2px;
  margin-right: 60px;
  margin-left: 45px;
}

.lines_wrap .line_ {
  margin: 0;
  height: 2px;
  transition: transform 0.2s;
}

.lines_wrap .line_.active {
  background-color: #6698ff;
}

.num_line {
  font-size: 18px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 27px;
  letter-spacing: 0px;
  color: #ffffff;
  display: flex;
  align-items: baseline;
  margin: 0;
  height: 27px;
}

.num_line span {
  display: block;
}

.num_line span:nth-child(1) {
  font-size: 26px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 27px;
  letter-spacing: 1px;
  color: #6698ff;
}

.num_line span:nth-child(2) {
  margin: 0 5px;
}

.bg1 {
  /* padding-top: 68px; */
  background: url(../images/bg01.png) no-repeat;
  background-size: cover;
}



.bg3 {
  background: url(../images/bg03.png) no-repeat;
  background-size: cover;
}

.bg3 .web_content {
  height: 1130px;
  position: relative;
}

.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: #000000;
  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: 110px;
  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;
}

/* 自定义样式 */
.logo {
  margin-left: 90px;
  margin-right: 120px;
}

/* .phone {
  min-width: 140px;
  max-width: 140px;
  height: 36px;
  font-size: 18px;
  margin-right: 100px;
  border-radius: 2px;
} */

/* .phone img {
  width: 20px;
  height: 20px;
  margin-right: 6px;
} */

.web_btn .phone a {
  font-size: 14px;
}

footer {
  background-color: #070708;
  padding-top: 23px;

  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;
  cursor: not-allowed;
}

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;
  cursor: pointer;
  text-decoration: none;
}

.web_content .flex-col-start-left ul{
  list-style: none;
  line-height: 36px;
  margin-top: 20px;
}


/* 修改部分样式 */
.works_content{
  width: 1200px;
  margin: 0 auto;
}
.works_list{
  display: flex;
  justify-content:space-between;
  flex-wrap: wrap;
}
.works_list .about-box{
  position: relative;
}
.works_list li{
  width: calc(100%/2 - 20px) ;
  list-style: none;
}
.works_list li img{
  width: 100%;
}
.works_list li .list_title{
    font-size: 20px;
    font-weight: normal;
    font-stretch: normal;
    letter-spacing: 0px;
    padding-bottom: 10px;
    margin-bottom: 0;
    color: #fff;
    margin-top: 20px;
}
.works_list li .list_title span{
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 1px; 
}
.works_list li .list_text{
    font-size: 16px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 1px;
    color: #d3d3d3;
}
.works_list li .list_text p{
  text-align: justify;
  height: 90px;
}
.works_list li video{
  display: block;
}
.bottom_txt .top{
  margin-top: 50px;
}
.bottom_txt .top a {
  display: block;
  width: 200px;
  color: #a9a9a9;
  font-size: 16px;
  text-align: center;
  line-height: 50px;
  border: 1px solid rgba(112, 112, 112, 1)
}
.bottom_txt .top a:hover {
  background: #5eaacf;
  color: #fff;
}
.middle{
  margin-bottom: 40px;
}