* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Helvetica, "PingFang SC", "Microsoft Yahei", sans-serif;
  font-size: 14px;
  
}
body{
  width: 100%;
  height: 100%;
}


img {
  width: 100%;
}

:root {
  --primary-color: #ff434f;
  --secondary-color: #e3e3e3;
  --text-color-lightest: #e7e9ec;
  --text-color-darker: #2e2e2e;
  --text-color-dark: #494949;
  --text-color-gray: #8b8b8b;
  --text-color-dark-gray: #727272;
  --text-color-light-gray: #c6c6c6;
  --backdrop-color: rgba(42, 42, 42, 0.7);
  --jackblue:rgba(49, 144, 238, 1);
}


/* 栅格布局 */
header{
  color: 100vw;
  width: 100%;
  height: 80px;
  display: grid;
  padding: 0 40px;
  grid-template-columns: 1fr 2fr;
  background-color: rgb(255, 255, 255);
  align-content: center;
  position: relative;
  z-index: 200;
  object-fit: cover;
}
.logo {
  font-size: 24px;
  font-weight: 600;
  color: var(--text-color-lightest);
}
/* .first{
  width: 100%;
  height: 10px;
  background-color:  rgba(6,167,226,1);;
} */
.logo img{
    height: 40px;
    width: 200px;
    margin-top: 11px;
    margin-left: 100px;
}
.logo label{
    margin-left: 10px;
    color:var(--text-color-darker);
    font-size: 15px;
    position: relative;
    margin-top: 15px;
    
}

header nav{
    justify-self: center;
    height: 60px;
    line-height: 60px;
    padding-top: 5px;      
}

header nav a{
    color: var(--text-color-darker);
    text-decoration: none;
    padding: 10px 20px;
    margin: 0 10px;
    font-size: 20px;
    /* border: 20px; */
}

header nav a:hover{
    color: white;
    background-color:var(--jackblue);
    border-radius: 8px;
    /* border: black  1px solid ; */
    
}

header.burger{
  display: none;
}

header.sticky{
  position: fixed;
  background-color: white;
  box-shadow: 0 0 18px rgba(0, 0, 0, 0.2);
  animation: dropDown 0.5s ease-in-out forwards;
}

header.sticky .logo,
header.sticky nav a,
header.sticky nav i{
  color:var(--text-color-darker);
}
header.sticky nav a:hover{
  color: white;
}

@keyframes dropDown {
  from{
    transform: translateY(-100px);
  }
  to{
    transform: translateY(0);
  }
}

.glide{
  position: relative;
  top: -80px;
  z-index: 50;
    /* position: relative;
    width: 100%;
    height: 50%; */
    /* top: px; */
    /* z-index: 50;
    padding: 10px 0; */
    /* margin-top: 80px; */
    /* overflow: hidden; */
    /* margin-bottom: 20px; */
}
/* 设置轮播图、视频大小 */
.glide__slide img,
.glide__slide video{
    width: 100vw;
    height: 99vh;
    /* 自动等比例缩放 */
    object-fit: cover;
    overflow: hidden;
}

.slide-caption{
    position: absolute;
    z-index: 70;
    color: var(--text-color-lightest);
    text-align: center;
    max-width: 60vw;
}

.glide__slide {
    display:flex;
    align-items: center;
    justify-content: center;
}

.slide-caption h1{
    font-size: 50px;
    font-weight: 600;
}

.slide-caption h3{
    font-size: 30px;
    margin: 48px 0;
}

.slide-caption.left{
      max-width: 80vw;
      text-align:left;
}
.slide-caption.right{
      max-width: 80vw;
      text-align:right;
}

.slide-caption>* {
  opacity: 0.1;
} 

.backdrop{
    background-color:rgba(0, 0, 0, 0.6);
    z-index: 60;
    position: absolute;
    width: 100%;
    height: 100%;
    left: 0;
    top:0;
    opacity: 0.15;
  }   

  .explore-btn{
      padding: 8px 10px;
      background-color:var(--jackblue);
      border: 0;
      border-radius: 10px;
      color: var(--text-color-lightest);
      font-size:20px;
      cursor: pointer;
      outline: none;
  }
  .linkus{
      padding: 8px 10px;
      background-color:white;
      border: 0;
     
      border-radius: 10px;
      color: var(--text-color-darker);
      font-size: 20px;
      cursor: pointer;
      /* outline: none; */
  }

/* 内容区域 */
/* 通用样式 */
.content-wrapper {
  /* 一维排版 */
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

section {
  /* 二维 */
  display: grid;
  /* 每个列的对齐方式 */
  justify-items: center;
  max-width: 1280px;
  padding: 0 80px;
}

.section-bg {
  position: relative;
}

.section-bg::before {
  content: "";
  display: block;
  position: absolute;
  background-color: #f9fbfb;
  width: 100vw;
  height: 100%;
  z-index: -1;
}

.title1 {
  font-size: 34px;
  color: var(--text-color-darker);
}

.title1::after {
  content: "";
  display: block;
  width: 80%;
  height: 4px;
  background-color: var(--jackblue);
  margin-top: 14px;
  transform: translateX(10%);
}

.intro {
  margin: 28px 0 60px 0;
  /* text-indent: 2em; */
  font-size: 18px;
  color: var(--text-color-dark-gray);
}

/* 关于我们 */
.about-us{
  padding-bottom: 32px;
}

.features{
  display: grid;
  grid-template-columns: repeat(3,1fr);
  grid-template-rows: 150px 126px;
  column-gap: 8vw;
  grid-row-gap: 80px;
  margin-bottom: 100px;
}

.feature{
  display: grid;
  grid-template-areas:
   "icon title"
   "icon content";
  grid-template-columns: 100px 1fr;
  grid-template-rows: 1fr 3fr;
}

.feature i.fa{
  grid-area: icon;
  font-size: 35px;
  color: var(--jackblue);
  margin-left:50px;
}

.feature-title {
  grid-area: title;
  font-size: 25px;
  color: var(--text-color-darker);
  margin-top: 4px;
  /* margin-left: 10px; */
}

.feature-content {
  grid-area: content;
  color: var(--text-color-gray);
  margin-top: 20px;
  font-size: 18px;
}

/* 成功案例 */
.showcases {
  max-width: unset;
  padding: 0px;
  padding-top: 72px;
}

.showcases .cases {
  width: 80vw;
  /* left:200px; */
}
.cases{
  display: grid;
  grid-template-columns: repeat(4,1fr);
  column-gap: 20px;
  row-gap: 30px;
  /* width: 0%; */
  place-items: center;
  /* margin-bottom: 30px; */
  padding-bottom: 131px;
  position: relative;
}

.showcases .case-item {
  width: 15vw;
  height: 15vw;
  /* overflow: hidden; */
}
.case-item{
  width: 150px;
  height: 150px;
}

.case-item img {
  /* height: 100%; */
  max-width:100%;
  max-height:100%;
  border-radius: 20px;
  /* object-fit: cover; */
  /* overflow: hidden; */
}

/* entire container, keeps perspective */
.flip-container {
	perspective: 1000;
}
	/* flip the pane when hovered */
	.flip-container:hover .flipper, .flip-container.hover .flipper {
		transform: rotateY(180deg);
	}

/* .flip-container, .front, .back {
	width: 320px;
	height: 480px;
} */ 

/* flip speed goes here */
.flipper {
	transition: 1s;
	transform-style: preserve-3d;

	position: relative;
}

/* hide back of pane during swap */
.front, .back {
  
	backface-visibility: hidden;

	position: absolute;
	top: 0;
	left: 0;
}

/* front pane, placed above back */
.front {
	z-index: 2;
}

/* back, initially hidden pane */
.back {
	transform: rotateY(-180deg);
}


/* 服务流程 */
.service {
  padding-top: 72px;
  padding-bottom: 131px;
}

.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: 1fr 1fr;
  column-gap: 38px;
  row-gap: 34px;
}

.service-item {
  display: grid;
  grid-template-areas:
    "icon title"
    "icon content";
  grid-template-columns: 70px 1fr;
  grid-template-rows: 1fr 3fr;
  padding: 24px;
  box-shadow: 0px 0px 18px rgba(0, 0, 0, 0.06);
}

.service-item i.fas {
  grid-area: icon;
  font-size: 42px;
  color: var(--jackblue);
  padding-top: 6px;
}

.service-item .service-title {
  grid-area: title;
  color: var(--text-color-darker);
  font-size: 24px;
}

.service-item .service-content {
  grid-area: content;
  color: var(--text-color-gray);
  line-height: 30px;
  font-size: 16px;
  margin-top: 8px;
}

/* 团队介绍 */
.team-intro {
  margin-top: 48px;
  padding-top: 62px;
  padding-bottom: 52px;
}

.team-members {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  column-gap: 2vw;
  row-gap: 3vw;
  margin-top: 86px;
}

.team-member {
  background-color: white;
  box-shadow: 0px 0px 24px rgba(0, 0, 0, 0.2);
  text-align: center;
  padding-bottom: 28px;
  transition: 0.4s;
  display: grid;
  justify-items: center;
}

.profile-image {
  overflow: hidden;
}

.profile-image img {
  width: 100%;
  height: 264px;
  object-fit: cover;
  object-position: top center;
}

.team-member .name {
  margin-top: 18px;
  font-size: 18px;
  font-weight: 500;
  color: var(--text-color-dark);
}

.team-member .position {
  color: var(--text-color-dark-gray);
  margin-top: 20px;
  margin-bottom: 18px;
}

.social-links {
  width: 100%;
  max-width: 200px;
  display: flex;
  justify-content: space-between;
  padding: 0 42px;
}

.social-links li {
  list-style: none;
}

.social-links li a {
  color: var(--text-color-dark);
  text-decoration: none;
}

.team-member:hover {
  transform: translateY(-20px) scale(1.05);
  box-shadow: 0px 0px 36px rgba(0, 0, 0, 0.1);
}

/* 数据部分 */

.data-section{
    max-width: unset;
    width: 100vw;
    height: 255px;
    
    /* background-image: url("./images/databg.jpg"); */
    /* background-size:cover; */
    /* background-position: center; */

    display: grid;
    grid-template-columns: repeat(3,minmax(auto,220px));
    justify-content: center;
    column-gap: 10vw;
    align-items: center;
    position: relative;
    z-index: 20;

    /* overflow: hidden; */
}
.showdata{
  padding-top: 72px;
}
.datas{
  display: grid;
  grid-template-columns: repeat(3,1fr);
  padding-bottom: 100px;
}
    
/* .data-section::before{
  content: "";
  display: block;
  position: absolute;
  background-color: black;  
  width: 100%;
  height: 100%;
  z-index: 1;
  } */

  .data-item{
    width: 250px;
    height:250px;
    justify-content: center;
    color: var(--jackblue);
    z-index: 40;
    border-radius: 50%;
    /* box-shadow: 0px 0px 18px rgba(0, 0, 0, 0.06); */
    background-color: white;
    /* margin: 0 auto; */
    display: grid;
    grid-template-areas:
      "icon title"
      "icon content";
    grid-template-columns: 70px 1fr;
    grid-template-rows: 1fr 3fr;
    padding: 24px;
    margin: 0 60px;
    box-shadow: 0px 0px 18px rgba(0, 0, 0, 0.06);
    border: solid 20px;

  }

  .data-item i.fas{
    grid-area: icon;
    font-size: 44px;
    color:var(--jackblue);
    padding-top: 45px;
    padding-left:20px;
  }

  .data-item .num{
    grid-area: content;
    margin-top: 7px;
    font-size: 30px;
    color: var(--jackblue);
    font-weight: 600;
    padding-left:20px;
    padding-right: 20px;

  }

  .data-item .data-desc{
    grid-area: title;
    font-size: 18px;
    color: var(--jackblue);
    font-weight: 500;
    padding-top: 45px;
    padding-left:20px;
  } 

  /* 公司动态 */
  .company-activities {
    margin-top: 80px;
  }

  .activities {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    column-gap: 24px;
    row-gap: 36px;
  }

  .activity {
    box-shadow: 0px 0px 24px rgba(0, 0, 0, 0.1);
    padding: 24px;
    transition: 0.4s;
  }

  .act-image-wrapper {
    height: 255px;
    overflow: hidden;
    margin: -24px;
    margin-bottom: 0;
  }

  .act-image-wrapper img {
    min-height: 300px;
    object-fit: cover;
  }

  .activity .meta {
    margin-top: 20px;
    margin-bottom: 12px;
    color: var(--text-color-light-gray);
    font-size: 12px;
    display: flex;
  }

  .activity .meta > p:last-child {
    margin-left: 36px;
  }

  .act-title {
    color: var(--text-color-dark);
    font-size: 18px;
    margin-bottom: 16px;
  }

  .activity article {
    color: var(--text-color-gray);
    letter-spacing: 0.54px;
    line-height: 24px;
  }

  .read-more-btn {
    border: 0;
    color: white;
    background-color: var(--jackblue);
    padding: 6px 14px;
    margin-top: 24px;
    border-radius: 4px;
  }

  .activity:hover {
    transform: translateY(-20px) scale(1.05);
    box-shadow: 0px 0px 36px rgba(0, 0, 0, 0.1);
  }

 /* 底部信息 */
  footer {
    /* margin-top: 124px; */
    background-color: var(--jackblue);
    
    display: grid;
    justify-items: center;
    /* padding-top: 52px; */
    padding-bottom: 24px;
  }
    
  

  .footer-menus{
    margin-top: 50px;
    width: 100%;
    display: grid;
    max-width: 1180px;
    grid-template-columns: repeat(3,1fr);
    padding: 0 80px;
    position: relative;
    justify-items: center;
  }

  .menu-title{
    font-size: 17px;
    color: white;
    font-weight: 500;
    margin-bottom: 20px;
  }

  .contact-us{
    /* display: flex; */
    justify-self:start;
    color: white;
  }

  .contact-us p:not(:first-child){
    padding-bottom: 16px;
  }

  div>p {
    list-style: none;
    padding-bottom: 8px;
    text-decoration: none;
    font-size: 15px;
    font-weight: 300;
    color: white;
   
  }

  .menu-items li {
    list-style: none;
    padding-bottom: 8px;
    font-size: 15px;
    text-decoration: none;
    font-weight: 300;
    color: white;
    
  }

  .icp-info{
    margin-top: 40px;
  }
  .icp-info,
  .rights{
    grid-column: 1/-1;
    justify-self: center;
    color: white;
  }
    

.sscrollToTop {
  display: none;
  position: relative;
  z-index: 300;
}
.scrollToTop a {
  width: 40px;
  height: 40px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--jackblue);
  color: white;
  text-decoration: none;
  position: fixed;
  bottom: 60px;
  right: 30px;
}

@media (max-width: 1200px) {
  header nav {
    display: none;
  }

  header .burger {
    display: block;
    position: relative;
    width: 20px;
    height: 6px;
    justify-self: end;
    cursor: pointer;
  }

  .burger-line1,
  .burger-line2,
  .burger-line3 {
    width: 20px;
    height: 2px;
    background-color: var(--text-color-dark);
  }

  .burger-line1 {
    position: absolute;
    top: -6px;
  }

  .burger-line3 {
    position: absolute;
    top: 6px;
  }

  header.open nav>*{
    color: black;
    animation: showMenu 0.5s linear forwards 0.4s;
    font-size: 18px;
    margin: 4px 0;
    opacity: 0;

  }

  header.open nav>i.fas{
    margin-top: 10px;
  }

  header.open nav {
    display: grid;
    position: absolute;
    left: 0;
    top: 0;
    width: 100vw;
    height: 100vh;
    background-color: white;
    
    grid-auto-rows: max-content;
    justify-items: end;
    padding: 0 40px;

    /* 下滑效果 */
    opacity: 0;
    animation: slideDown 0.6s ease-out forwards;
    
  }

  header.open .burger-line1,
  header.open .burger-line2,
  header.open .burger-line3,
  header.sticky .burger-line1,
  header.sticky .burger-line2,
  header.sticky .burger-line3{
    background-color: var(--text-color-darker);
    transition: 0.4s ease;
  }

    header.open .burger-line1{
    /* header.open .burger-line1 { */
    /* transform: rotate(45deg) translate(3px,5px); */
    transform: rotate(45deg) translate(3px, 5px);

  }

  header.open .burger-line2{
    transform: translateX(5px);
    opacity: 0;
  }

  header.open .burger-line3{
    transform: rotate(-45deg) translate(3px,-5px);
  }

  @keyframes slideDown {
    from{
      height: 0;
      opacity: 0;
    }
    to{
      height: 100vh;
      padding: 80px;
      opacity: 1;
    }
  }

  @keyframes showMenu{
    from{
      opacity: 0;
      transform: translateY(-1vh);
    }
    to{
      opacity: 1;
      transform: translateY(0);
    }
  }
}

@media (max-width:892px){
  .slide-caption h1{
    font-size: 48px;
  }

  .slide-caption h3{
    font-size: 18px;
  }

  .features,
  .services{
    grid-template-columns: repeat(2,1fr);
    grid-template-rows: unset;
  }
  .cases{
    /* grid-template-columns: repeat(2,1fr); */
    grid-template-columns: repeat(2,1fr);
  }
  .showcases .case-item {
    width: 15vw;
    height: 30vw;
  }
    /* /* overflow: hidden; */
  .case-item{
    object-fit: cover;
  }

  /* .data-section{
    grid-template-columns: repeat(2,minmax(200px,auto));
    padding: 24px 0;
    height: auto;
    row-gap: 24px;
    background-color: 200%;
  } */
  .datas{
    grid-template-columns: 1fr;
    row-gap: 100px;
  }
  .showcases .case-item{
    width: calc(100vw/3);
  }
}

@media (max-width:768px) {
  section,
  .footer-menus{
    padding: 0 40px;
  }

  .footer-menus{
    grid-template-columns: 2fr repeat(2,1fr);
    row-gap: 24px;
  }

  .contact-us{
    grid-row:1 / 3;
  }

  .activities{
    grid-template-columns: 1fr;
  }
  .cases{
    grid-template-columns: 1fr;
  }
  
  .datas{
    grid-template-columns: 1fr;
    row-gap: 100px;
  }

  .team-members{
    grid-template-columns: minmax(200px,400px);
  }

  .feature,
  .services{
    grid-template-columns: 1fr;
  }

  
}

@media (max-width:576px){
   .slide-caption h1{
     font-size: 20px;

   }
   .slide-caption h3{
     font-size: 14px;
   }

   .explore-btn {
     font-size: 14px;
     padding: 8px 18px;
   }
   .linkus{
    font-size: 14px;
    padding: 8px 18px;
  }

   .showcases .case-item{
     width: 100vw;
     height: 60vw;
   }

   .footer-menus{
     grid-template-columns: 1fr;
   }

    .foot-menus{
      justify-self: start;
    }
}