:root {
  --primary-color: #2c6dce;
  --dark-color: #1a1b1f;
  --light-color: #6898df;
}

body {
  font-family: 'Raleway', sans-serif;
}

.bg-dark-self {
  background: var(--dark-color);
}

.box-dark {
  border: solid 1px black;
  padding: 20px 20px;
  margin: 20px;
}

.box-white {
  border: solid 1px #fff;
  padding: 20px;
  margin: 20px;
}

.box-white:hover {
  background: black;
  -webkit-box-shadow: -5.665px 9.429px 35px 0px rgba(253, 251, 251, 0.3);
  box-shadow: -5.665px 9.429px 35px 0px rgba(253, 251, 251, 0.3);
}
.box-dark:hover {
  background: #ffffff;
  -webkit-box-shadow: -5.665px 9.429px 35px 0px rgba(0, 0, 0, 0.3);
  box-shadow: -5.665px 9.429px 35px 0px rgba(0, 0, 0, 0.3);
}
.line {
  border: 2px solid var(--primary-color);
  width: 60%;
}
/* preloader */
#cover1 {
  background: url('../img/spinner_logo_bef.png') no-repeat scroll center center
    black;
  position: absolute;
  height: 100%;
  width: 100%;
  z-index: 101; /*cover1: preloader step*/
}

#cover2 {
  background: url('../img/spinner_logo_aft3.png') no-repeat scroll center center;
  position: absolute;
  height: 100%;
  width: 100%;
  z-index: 100;
  transition: transform 0.5s ease-in-out, opacity 0.5s ease-in-out;
  opacity: 1; /*cover2: after finishing loading the webiste)*/
}

#cover2.zoomAndFade {
  transform: scale(5);
  opacity: 0; /* opacity to  0  */
}
/* Navbar*/

.navbar {
  z-index: 9;
  width: 100%;
}

.navbar-brand {
  font-size: 25px;
  font-weight: 700;
  text-transform: uppercase;
  color: #fff;
  letter-spacing: 1px;
  padding-left: 1rem;
  padding-right: 1rem;
}

.navbar-dark .navbar-nav .nav-link {
  font-size: 15px;
  font-weight: 700;
  text-transform: uppercase;
  color: #fff;
  letter-spacing: 1px;
  padding-left: 0.5rem;
  padding-right: 0.5rem;
}

.navbar-dark .navbar-nav .nav-link:hover,
.navbar-dark .navbar-nav .nav-link:focus,
.navbar-dark .navbar-nav .active .nav-link {
  color: var(--primary-color);
}

.dropdown-menu {
  padding: 0;
}

.dropdown-menu .dropdown-item {
  color: #333;
  font-weight: 700;
  background: #fff;
}

.dropdown-menu .dropdown-item:hover {
  background: var(--primary-color);
  color: #fff;
}

/* carousel 轮播 */
.carousel {
  z-index: 3;
}
.carousel-caption {
  transform: translateY(-50%);
  bottom: 0;
  top: 50%;
  -webkit-transition: transform 4s ease-in-out, opacity 2.5s ease-in-out;
  -moz-transition: transform 4s ease-in-out, opacity 2.5s ease-in-out;
  -o-transition: transform 4s ease-in-out, opacity 2.5s ease-in-out;
  transition: transform 4s ease-in-out, opacity 2.5s ease-in-out;

}

.carousel-caption h1 {
  text-transform: uppercase;
  letter-spacing: 5px;

}
.carousel-caption h2 {
  text-transform: uppercase;
  letter-spacing: 5px;
}

/* change carousel size */
.carousel-item {
  height: 100vh;
  min-height: 350px;
  background: no-repeat center center scroll;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  background-size: cover;
}

.carousel-item-bg {
  position: absolute;
  left: 0;
  top: 0;
  width: 100%;
  height: 100%;

  -webkit-transition: transform 1.5s ease-in-out, opacity 2s ease-in-out;
  -moz-transition: transform 1.5s ease-in-out, opacity 2s ease-in-out;
  -o-transition: transform 1.5s ease-in-out, opacity 2s ease-in-out;
  transition: transform 1.5s ease-in-out, opacity 2s ease-in-out;
  -webkit-opacity-delay: s, 0.5s;
  -moz-opacity-delay: s, 0.5s;
  -o-opacity-delay: s, 0.5s;
  opacity-delay: s, 0.5s;
  opacity: 0;
}

.carousel-item.active .carousel-item-bg,
.carousel-item-next.carousel-item-left .carousel-item-bg,
.carousel-item-prev.carousel-item-right .carousel-item-bg {
  opacity: 1; /* 当幻灯片是活跃的或者正在移动时，设置为可见 */
  transform: translateX(0);
}
.carousel-item-next .carousel-item-bg {
  transform: translateX(8%); /* 减少平移距离 */
}

.carousel-item-prev .carousel-item-bg {
  transform: translateX(8%); /* 减少平移距离 */
}

/* social */
.social .fab,
.social.fas {
  padding: 20px;
  font-size: 50px;
  width: 50px;
  text-align: center;
  text-decoration: none;
  margin: 5px 10px;
  line-height: 0px;
}

.social a {
  text-decoration: none;
}
.social .fab:hover,
.social .fas:hover {
  color: white;
}

/* Facebook */
.fa-facebook {
  color: #3b5998;
}

/* Twitter */
.fa-twitter {
  color: #55acee;
}

.fa-youtube {
  color: #bb0000;
}

.fa-instagram {
  color: #125688;
}
.fa-reddit {
  color: #ff5700;
}
.fa-telegram {
  color: #0088cc;
}
.fa-medium {
  color: #00ab6c;
}
.fa-github {
  color: #4078c0;
}
.fa-linkedin {
  color: #0077b5;
}
.fa-coins {
  color: #007bff;
}

/* content */
.about-title {
  color: var(--dark-color);
  font-weight: 900;
}

.lined::after {
  content: '';
  display: block;
  width: 6.25rem;
  height: 2px;
  margin: 1.25rem auto;
  background: var(--primary-color);
}

/* stats */
.stats_info p {
  font-size: 2.5em;
  letter-spacing: 1px;
  line-height: 1.2;
  color: var(--dark-color);
  font-weight: 800;
}
.stats_info h4 {
  color: var(--dark-color);
  font-size: 0.85em;
  text-transform: uppercase;
  font-weight: 600;
}
.stats_info span {
  font-size: 2.3em;
  color: var(--primary-color);
  margin: 0;
}

/*press section*/
.img-fluid-med {
  max-width: 80%;
  height: auto;
}

.img-fluid-small {
  max-width: 40%;
  height: auto;
}

.press .press-item img {
  -webkit-filter: grayscale(100%);
  filter: grayscale(100%);
  -webkit-transition: all 0.3s;
  transition: all 0.3s;
}
.press .press-item img:hover {
  -webkit-filter: grayscale(0%);
  filter: grayscale(0%);
}

/* footer */
.newsletter_right {
  background: rgba(15, 21, 63, 0.65) url(../img/bg/bg5.jpg) no-repeat;
  background-blend-mode: darken;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  -ms-background-size: cover;
  background-size: cover;
  background-attachment: fixed;
  color: white;
}
.social-footer .fab,
.social-footer .fas {
  padding: 20px;
  font-size: 40px;
  width: 40px;
  text-align: center;
  text-decoration: none;
  line-height: 0px;
}

.social-footer a {
  text-decoration: none;
}

.social-footer .fab:hover,
.social-footer .fas:hover {
  color: white;
}

/* footer copyright*/
.copyright {
  background: black;
  color: white;
}

/* teams */
.overlay {
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  width: 100%;
  height: 70%;
  opacity: 0;
  background-color: #111111ce;
}
.overlay:hover {
  padding: 15px 30px;
  opacity: 1;
  color: white;
  overflow: auto;
}

.teams .container .col-sm {
  margin: 20px;
  padding: 20px;
  background: #ffffff;
  -webkit-box-shadow: -5.665px 9.429px 35px 0px rgba(0, 0, 0, 0.3);
  box-shadow: -5.665px 9.429px 35px 0px rgba(0, 0, 0, 0.3);
}

.teams .container .col-lg-3 {
  padding: 20px;
  background: #ffffff;
  -webkit-box-shadow: -5.665px 9.429px 35px 0px rgba(0, 0, 0, 0.3);
  box-shadow: -5.665px 9.429px 35px 0px rgba(0, 0, 0, 0.3);
}

/*-- contact --*/
.adress-w3pvt-info h6 {
  font-size: 1.2em;
  color: #3d3d3e;
  font-weight: 600;
  letter-spacing: 1px;
  margin: 1em 0;
}
.adress-w3pvt-info a {
  color: #777;
  letter-spacing: 1px;
}
.adress-icon span.fa {
  color: #047ffc;
  font-size: 2em;
  vertical-align: middle;
}
.contact-forms input,
.contact-forms textarea,
.contact-forms select {
  font-size: 15px;
  color: #000;
  padding: 1em 1em;
  background: #f6f6f6;
  outline: none;
  border: none;
  letter-spacing: 1px;
  border-radius: 0px;
  outline: none !important;
}
.contact-forms select {
  padding: 0em 1em;
  height: 52px !important;
  color: #777;
}
button.sent-butnn {
  font-size: 16px;
  text-decoration: none;
  text-transform: capitalize;
  display: inline-block;
  letter-spacing: 2px;
  outline: none;
  color: #fff;
  background: #047ffc;
  border-radius: 0px;
  padding: 10px 20px;
}
.contact-left-form {
  padding: 3em;
  background: #fff;
  box-shadow: 0 0 50px rgba(0, 0, 0, 0.1);
}
.contact-right h4 {
  font-size: 30px;
  text-transform: capitalize;
  letter-spacing: 1px;
  line-height: 40px;
  font-weight: 600;
  margin-top: 1em;
}
.contact-right h5 {
  font-size: 25px;
  letter-spacing: 1px;
  font-weight: 600;
}
.map iframe {
  border: none;
  outline: none;
  height: 350px;
  width: 100%;
}

ul.social_section_1info {
  list-style: none;
  padding-left: 0;
}
ul.social_section_1info .fab {
  font-size: 30px;
  width: 30px;
  text-decoration: none;
}
ul.social_section_1info li {
  display: inline-block;
}

ul.social_section_1info .fab:hover {
  color: var(--dark-color);
}
/*-- contact --*/

/*-- Industry --*/
.industry-left {
  font-size: 20px;
}

.advantage-grid-info1,
.advantage-grid-info1.second,
.advantage-grid-info1.third,
.advantage-grid-info1.fourth,
.advantage-grid-info1.fifth,
.advantage-grid-info1.sixth,
.advantage-grid-info1.seventh,
.advantage-grid-info1.eighth{
  padding: 0;
  background: url(../img/industry/industry1.png) center no-repeat;
  -webkit-background-size: cover;
  -moz-background-size: cover;
  -o-background-size: cover;
  -ms-background-size: cover;
  background-size: cover;
  position: relative;
  min-height: 500px;
}

.advantage-grid-info1.second {
  background: url(../img/industry/industry2.png) center no-repeat;
}

.advantage-grid-info1.third {
  background: url(../img/industry/industry3.png) center no-repeat;
}
.advantage-grid-info1.fourth {
  background: url(../img/industry/industry4.png) center no-repeat;
}

.advantage-grid-info1.fifth {
  background: url(../img/industry/industry5.png) center no-repeat;
}
.advantage-grid-info1.sixth {
  background: url(../img/industry/industry6.png) center no-repeat;
}
.advantage-grid-info1.seventh {
  background: url(../img/industry/industry7.png) center no-repeat;
}
.advantage-grid-info1.eighth {
  background: url(../img/industry/industry8.png) center no-repeat;
}
.advantage-grid-info1.eighth {
  background: url(../img/industry/industry9.png) center no-repeat;
}
.advantage-grid-info1.eighth {
  background: url(../img/industry/industry10.png) center no-repeat;
}
.advantage-grid-info1.eighth {
  background: url(../img/industry/industry11.png) center no-repeat;
}
.advantage-grid-info1.eighth {
  background: url(../img/industry/industry12.png) center no-repeat;
}

.advantage_left h3 {
  font-size: 1.35em;
  font-weight: 800;
  line-height: 1.8em;
  letter-spacing: 2px;
  color: #fff;
  text-transform: uppercase;
}

.advantage_left {
  padding: 11em 12em 0em 6em;
  box-sizing: border-box;
  /* box-shadow: 0px 1px 0px 0px rgba(0, 0, 0, 0.075); */
}

.banner-top.row {
  margin: 0;
}

.banner-top p {
  color: #fff;
}

.banner-bottom {
  background: var(--primary-color);
}

.temp-btm {
  background: #fff;
}

.temp-btm h3 {
  color: #292929;
}

.temp-btm p {
  color: #566773;
}


.block {
      flex-grow: 1;
      border: 1px solid #ccc;
      text-align: center;
      line-height: 200px;
      cursor: pointer;
    }

.block-container {
      width: 100%;
      height: 200px;
      background-color: #f1f1f1;
      display: flex;
    }

    .block {
      flex-grow: 1;
      border: 1px solid #ccc;
      text-align: center;
      line-height: 200px;
      cursor: pointer;
    }

    /*industry页面上的展示图*/

    .content {
      display: none;
      padding: 20px;
      text-align: center;
      display: flex;
      align-items: center; /* 垂直居中对齐 */
      justify-content: center; /* 水平居中对齐 */
      height: 340px;
    }

    .content1,
    .content3,
    .content5,
    .content7,
    .content9,
    .content11
    {
      background-color: #0088cc;
      color: white;
    }

    .content2,
    .content4,
    .content6,
    .content8,
    .content10,
    .content12
    {
      background-color: white;
      color: #0088cc;
    }

    .content1 img,
    .content2 img,
    .content3 img,
    .content4 img,
    .content5 img,
    .content6 img,
    .content7 img,
    .content8 img,
    .content9 img,
    .content10 img,
    .content11 img,
    .content12 img
    {
      float: left;
      margin-right: 10px;
      height: 300px;
    }

    .content1 h2,
    .content2 h2,
    .content3 h2,
    .content4 h2,
    .content5 h2,
    .content6 h2,
    .content7 h2,
    .content8 h2,
    .content9 h2,
    .content10 h2,
    .content11 h2,
    .content12 h2
    {
      font-weight: bold;
      text-decoration: underline;
    }

    .video-container {
            position: relative;
            width: 100%;
            max-width: 760px; /* 设置最大宽度，防止视频过宽 */
            height: 500px; /* 固定高度为 300 像素 */
            margin: 10px auto; /* 水平居中 */
            overflow: hidden; /* 防止视频溢出容器 */
            background-color: black;
        }


    .video-container iframe {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
    }

    /* industry页面上的视频 */
        /* 父容器样式 */
        .btn-container {
            display: flex;
            justify-content: center; /* 水平居中 */
            align-items: center; /* 垂直居中 */
            height: 10vh; /* 设置父容器高度为视口高度，使按钮在垂直方向上居中 */
        }

        /* 按钮样式 */
        .btn {
            padding: 10px 20px;
            background-color: #566773; /* 设置按钮背景色，这里使用了蓝色作为示例 */
            color: #fff; /* 设置按钮文字颜色为白色 */
            text-decoration: none;
            border: 2px solid #566773; /* 设置按钮边框为蓝色 */
            font-size: 24px; /* 设置按钮文字大小为标题大小 */
            border-radius: 4px; /* 设置按钮边框圆角 */
        }

        /* 鼠标悬停时的按钮样式 */
        .btn:hover {
            color: #fff;
            background-color: black; /* 设置悬停时的按钮背景色 */
            border-color: black; /* 设置悬停时的按钮边框色 */
        }

      /* industry页面上的跳转链接*/
        .button-container {
            display: flex;
            justify-content: center;
        }

        .empty-row {
            height: 20px;
        }

        .gray-button {
            display: inline-block;
            padding: 20px 30px;
            background-color: #444;
            color: #fff;
            text-align: center;
            text-decoration: none;
            text-transform: uppercase;
            font-size: 16px;
            margin: 0 auto;
            border: none;
            cursor: pointer;
            border-radius: 20px;
        }

        .gray-button a {
            text-decoration: none;
            color: inherit;
        }

/* index上社交媒体链接的按钮们 */
@import url('https://fonts.googleapis.com/css?family=Poppins:400,500,600,700&display=swap');
*{
  margin: 0;
  padding: 0;
  box-sizing: border-box;
          font-family: 'Poppins', sans-serif;
}

.wrapper .button{
  display: inline-block;
  height: 60px;
  width: 60px;
  float: left;
  margin: 0 5px;
  overflow: hidden;
  background: #fff;
  border-radius: 50px;
  cursor: pointer;
  box-shadow: 0px 10px 10px rgba(0,0,0,0.1);
  transition: all 0.3s ease-out;
}
.wrapper .button:hover{
  width: 200px;
}
.wrapper .button .icon{
  display: inline-block;
  height: 60px;
  width: 60px;
  text-align: center;
  border-radius: 50px;
  box-sizing: border-box;
  line-height: 60px;
  transition: all 0.3s ease-out;
}
.wrapper .button:nth-child(1):hover .icon{
  background: #4267B2;
}
.wrapper .button:nth-child(2):hover .icon{
  background: #1DA1F2;
}
.wrapper .button:nth-child(3):hover .icon{
  background: #E1306C;
}
.wrapper .button:nth-child(4):hover .icon{
  background: #333;
}
.wrapper .button:nth-child(5):hover .icon{
  background: #ff0000;
}
.wrapper .button .icon i{
  font-size: 25px;
  line-height: 60px;
  transition: all 0.3s ease-out;
}
.wrapper .button:hover .icon i{
  color: #fff;
}
.wrapper .button span{
  font-size: 20px;
  font-weight: 500;
  line-height: 60px;
  margin-left: 10px;
  transition: all 0.3s ease-out;
}
.wrapper .button:nth-child(1) span{
  color: #4267B2;
}
.wrapper .button:nth-child(2) span{
  color: #1DA1F2;
}
.wrapper .button:nth-child(3) span{
  color: #E1306C;
}
.wrapper .button:nth-child(4) span{
  color: #333;
}
.wrapper .button:nth-child(5) span{
  color: #ff0000;
}

/* 长段文字缩减 */

.expandable-text {
    overflow: hidden;
    line-height: 1.5em;
    max-height: 4.5em; /* 控制显示的行数，每行大约1.5em高度 */
  }
.expandable-text1 {
    overflow: hidden;
    line-height: 1.5em;
    max-height: 13.5em; /* 控制显示的行数，每行大约1.5em高度 */
    font-size: 36px; /* 初始字号较大 */
  }
  .expandable-text.expanded {
    max-height: none; /* 当展开时，取消最大高度限制，显示全部内容 */
  }
  .expandable-text1.expanded {
    font-size: 18px; /* Set the font size when text is expanded */
    max-height: none;
}
  .expand-link {
    display: inline-block;
    color: blue;
    cursor: pointer;
  }