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: 160px;
  }
  
  .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: 50%;
    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: 50%;
  }
  
  .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;
    margin-bottom: 44px;
  }
  
  .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: 10px;
  } 
  
  .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: 16px;
  }
  .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;
  }