/* 样式重置 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: Helvetica, "PingFang SC", "Microsoft Yahei", sans-serif;
}

img {
  width: 100%;
}

/*logo*/
.logo {
  position: relative;
  /* 使伪元素能够相对于.logo定位 */
}

.logo .itahalo {
  display: block;
  /* 确保img元素能够撑起自己的高度 */
}

.logo .itahalo::before {
  content: "";
  /* 必须声明content属性 */
  position: absolute;
  /* 使用绝对定位 */
  top: 0;
  /* 从图片的顶部开始 */
  left: 0;
  /* 从图片的左侧开始 */
  right: 0;
  /* 到图片的右侧结束 */
  bottom: 0;
  /* 到图片的底部结束 */
  background-color: gray;
  /* 设置灰色背景 */
  opacity: 1;
  /* 设置透明度，可根据需要调整 */
  z-index: -1;
  /* 确保灰色背景层在图片下方 */
}

.canvaszz {
  position: absolute;
  /* 使用contain以保持图片原大小，但可能不会完全填充容器 */
  background-image: url(image/ico.png);
  background-size: contain;
  background-repeat: no-repeat;
  /* 避免图片重复 */
  background-position: center;
  /* 将图片居中显示 */
  width: 100%;
  height: 100%;
  z-index: -1;
  opacity: 0.4;
}


.canvas {
  position: absolute;
  display: inline-block;
  width: 100%;
  height: auto;
  vertical-align: baseline;
  z-index: -2;
}

/*首页字体*/
h1.home-font {
  size: 10px;
}

/* 设置主要色调和次要色调 */
:root {
  --primary-color: rgb(71, 102, 255);
  /*二级导航栏 */
  --secondary-color: #e3e3e3;
  --text-color-lightest: #4c4c4c;
  --text-color-darker: #2e2e2e;
  --text-color-dark: #494949;
  --text-color-gray: #8b8b8b;
  /*一些解释性的文字*/
  --text-color-dark-gray: #727272;
  /*一些标题下面的下划线颜色*/
  --text-color-light-gray: rgb(71, 102, 255);
  /*遮盖*/
  /* --backdrop-color: rgba(42, 42, 42, 0.69);*/


}

/* head.sticky,
.glide,
section,
footer{
    max-width: 100vm;
} */

/* 头部导航 */
header {
  width: 100vm;
  height: 110px;
  /* 栅格布局 */
  display: grid;
  padding: 0 20px;
  grid-template-columns: 1fr 2fr;
  align-items: center;
  position: relative;
  z-index: 200;
}

.logo {

  font-size: 24px;
  font-weight: 600;
  color: var(--text-color-lightest);
  width: 100%;

}

/*logo*/
.itahalo {
  height: 35%;
  width: 35%;
  top: 10px;
  left: 0;
  /* vertical-align: middle; */
  /* left:20px; */
}

/* .vader1{
    display: inline;
    position: relative;
    width:100px;
    top:0px;
    left: 0px */
.glide {
  position: relative;
}

.glide::after {
  content: '';
  position: absolute;
  bottom: -10px;
  /* 阴影的位置 */
  left: 0;
  width: 100%;
  height: 20px;
  /* 阴影的高度 */
  box-shadow: 0px 10px 10px rgba(0, 0, 0, 0.1);
  /* 阴影效果 */
}

header nav {
  justify-self: end;
  text-align: right;
  display: flex;
  justify-content: space-between;

}

header nav i {
  color: var(--text-color-lightest);
}

header nav a {
  color: var(--text-color-lightest);
  text-decoration: none;
  margin: 0 24px;
  font-weight: bold;
  /* 使文字加粗 */
}

header .burger {
  display: none;
}

header.sticky {
  top: 0px;
  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 .log,
header.sticky nav a,
header.sticky nav i {
  color: var(--text-color-darker);

}

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

  to {
    transform: translateY(0);
  }
}

.glide {
  position: relative;
  top: -120px;
  z-index: 50;
}

.glide__arrow {
  color: rgba(20, 20, 20, 0.5);
  /*   background-color: gray; */

}

.glide__bullet {
  background-color: grey;
}

.glide__bullet--active {
  background-color: black;
}

.glide__slide img,
.glide__slide video {
  width: 100vw;
  height: 100vh;
  object-fit: cover;
}

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

/*第二个轮播图*/
.slide-caption1 {
  position: center;
  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: 54px;
  font-weight: 600;
}

.slide-caption h3 {
  font-size: 24px;
  margin: 48px 0;
}

.slide-caption>* {
  opacity: 0;
}

.backdrop {
  background: var(--backdrop-color);
  z-index: 60;
  position: absolute;
  width: 100%;
  height: 100%;
  left: 0;
  top: 0;
  opacity: 0.5;
}

.explore-btn {
  padding: 14px 32px;
  background-color: var(--primary-color);
  border: 0;
  border-radius: 4px;
  color: var(--secondary-color);
  font-size: 18px;
  cursor: pointer;
  outline: none;
}


/* 内容区域通用样式 */

.content-wrapper {
  display: flex;
  align-items: center;
  justify-content: center;
  flex-direction: column;
}

section {
  display: grid;
  justify-items: center;
  max-width: 1180px;
  padding: 0 80px;
}

section-bg {
  position: relative;
  background-color: #f9f9fb;
  height: auto;
}

.section-bg::before {
  content: "";
  display: block;
  position: absolute;
  background-color: #f9f9fb;
  width: 100vw;

  z-index: -1;

}

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

}

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

.intro {
  margin: 20px 0 60px 0;
  font-size: 20px;
  color: var(--text-color-dark-gray);
  text-align: center;
}

.intro i {
  color: var(--primary-color);
  vertical-align: -2px;
  font-weight: 600;
  font-style: normal;
}

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

.features {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 180px);
  column-gap: 5vw;
}

.feature {
  display: grid;
  grid-template-areas:
    "icon title"
    "icon content";
  grid-template-columns: 60px 1fr;
  grid-template-rows: 1fr 3fr;

}

.feature i.fas,
.feature i.fab {
  grid-area: icon;
  font-size: 34px;
  color: var(--primary-color);
  margin-top: 19px;
}

.feature-title {
  grid-area: title;
  font-size: 18px;
  color: var(--text-color-darker);
  margin-bottom: 8px;
}

.feature-content {
  grid-area: content;
  color: var(--text-color-gray);
  margin-top: 8px;
}

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



.filter-btns {
  margin-top: 54px;
  margin-bottom: 38px;
}

.filter-btn {
  margin: 0 7px;
  background-color: var(--secondary-color);
  border: 0;
  color: var(--text-color-dark-gray);
  padding: 8px 18px;
  border-radius: 4px;
  cursor: pointer;
  transition: 0.4s;
}

.filter-btn:focus,
.filter-btns:active {
  outline: none;
}

.filter-btn.active,
.filter-btn:hover {
  background-color: var(--primary-color);
  color: white;
}



.showcases .cases {
  width: 100vw;
}


/* 成功案例图片显示为两列 */
.showcases .case-item {
  width: calc(100vw / 2);
  height: 30vw;
  left: 50% !important;
  transform: translateX(-50%);
  /* position: static !important; */
}

/* 
.case-item img {
  height: 100%;
  object-fit: content;
} */


.case-item {
  position: relative;

}

/* 鼠标悬停时的样式变化 */
.case-item:hover {
  /* box-shadow: 0 0 10px rgba(151, 192, 211, 0.5), inset 0 0 15px rgba(151, 192, 211, 0.2); */

  /* 缩放效果 */
}

.case-item img {
  position: absolute;
  width: 100%;
  height: 100%;
  object-fit: content;
  transform: scale(0.7);
  transition: transform 0.3s ease-in-out;
}

/* 服务流程 */
.service {
  padding-top: 161px;

}

.services {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-template-rows: repeat(2, 240px);
  column-gap: 28px;
  row-gap: 24px;
}

.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: 0 0 18px rgba(0, 0, 0, 0.06);
}

.service-item i.fas {
  grid-area: icon;
  font-size: 34px;
  color: var(--primary-color);
  padding-top: 20px;
}

.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;
}

.map {
  padding-top: 120px;

}

.cmap {
  margin: 80px;
}

/* 团队介绍 */

.team-intro {
  margin: 48px 0;
  padding-top: 62px;
  padding-bottom: 52px;
}

.team-members {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  column-gap: 24px;
  margin-top: 86px;
}

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

.photo {
  overflow: hidden;
}

.photo 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-darker);
}

.team-member .position {
  color: var(--text-color-dark-gray);
  margin-top: 12px;
  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-darker);
  font-size: 24px;
  text-decoration: none;
}

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

/* 数据部分 */

.data-section {
  max-width: 100%;
  width: 100vw;
  height: 255px;
  background-image: url(image/star.png);
  background-size: 80% auto;
  /* 使图片宽度缩小至容器的80%，高度自动调整以保持比例 */
  background-position: center;
  /* 保持图片居中 */
  background-repeat: no-repeat;
  /* 确保图片不重复 */
  background-size: cover;
  background-position: center;

  display: grid;
  grid-template-columns: repeat(4, minmax(auto, 220px));
  justify-content: center;
  align-items: center;
  position: relative;
  z-index: 20;
}

.data-section::before {
  content: "";
  display: block;
  position: absolute;
  background-color: var(--backdrop-color);
  width: 100%;
  height: 100%;
  z-index: 1;
}

.data-piece {
  width: 150px;
  display: grid;
  grid-template-rows: repeat(3, 1fr);
  justify-items: center;
  color: white;
  position: relative;
  z-index: 40;
  margin-top: 20%;
}

.data-piece i.fas {
  font-size: 44px;
}

.data-piece .num {
  margin-top: 7px;
  font-size: 35px;
  font-weight: 500;
}

.data-piece .data-desc {
  font-size: 20px;
  font-weight: 400;
}

footer {
  margin-top: 124px;
  background-color: #181818;
  display: grid;
  justify-items: center;
  padding-top: 72px;
  padding-bottom: 24px;
}

/* 底部菜单 */
.footer-menus {
  width: 100%;
  max-width: 1180px;
  display: grid;
  /* 5列布局 */
  grid-template-columns: 2fr repeat(4, 1fr);
  padding: 0 80px;
  position: relative;
}

/* 导航菜单，靠右对齐 */
.footer-menu {
  justify-self: end;
}

/* 一级菜单 */
.menu-title {
  font-size: 20px;
  color: white;
  font-weight: 600;
  margin-bottom: 20px;
}

/* 联系我们，靠左对齐 */
.contact-us {
  justify-self: start;
  color: whitesmoke;
}

/* 联系我们，文字 */
.contact-us p:not(:first-child) {
  padding-bottom: 16px;
}

/* 菜单项 */
.menu-items li {
  list-style: none;
  padding-bottom: 8px;
}

/* 菜单链接 */
.menu-items li a {
  text-decoration: none;
  font-weight: 300;
  color: whitesmoke;
}

/* 备案信息 */
.icp-info {
  margin-top: 24px;
  margin-bottom: 16px;
}

/* 备案信息，版权信息 */
.icp-info,
.rights {
  /* 占满整行，-1代表最后一个编号 */
  grid-column: 1 / -1;
  /* 居中对齐 */
  justify-self: center;
  color: white;
  font-size: 14px;
}

.scrollToTop {
  display: none;
}

.scrollToTop a {
  width: 32px;
  height: 32px;
  border-radius: 4px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-color: var(--primary-color);
  color: white;
  text-decoration: none;
  position: fixed;
  bottom: 60px;
  right: 30px;
  z-index: 300;
}

/* 自适应，小于1100象素时 */
@media (max-width: 1100px) {

  /* 导航设置为不可见，点击折叠按钮显示全屏导航 */
  header nav {
    display: none;
  }

  /* 头部平分两列布局 */
  header {
    grid-template-columns: repeat(2, 1fr);
  }

  /* 折叠菜单样式，显示出来 */
  header .burger {
    display: block;
    justify-self: center;
    cursor: pointer;
    position: relative;
    width: 20px;
    height: 6px;
  }

  /* 折叠按钮线条样式 */
  .burger-line1,
  .burger-line2,
  .burger-line3 {
    width: 20px;
    height: 2px;
    background-color: var(--text-color-lightest);
    /* position: relative; */
  }

  /* 上移第一条线 */
  .burger-line1 {
    position: absolute;
    top: -6px;
  }

  /* 下移第三条线 */
  .burger-line3 {
    position: absolute;
    top: 6px;
  }

  .open {
    background-color: rgba(42, 42, 42, 0.69)；
  }

  /* 全屏导航展开时，折叠按钮设置为深色 */
  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;
  }

  /* 全屏导航显示时，折叠按钮第一条线样式 */
  header.open .burger-line1 {
    transform: rotate(45deg) translate(3px, 5px);
  }

  /* 全屏导航显示时，折叠按钮第二条线样式 */
  header.open .burger-line2 {
    transform: translateX(5px);
    opacity: 0;
  }

  /* 全屏导航显示时，折叠按钮第三条线样式 */
  header.open .burger-line3 {
    transform: rotate(-45deg) translate(3px, -5px);
  }

  /* 全屏导航显示时，logo样式 */
  header.open .logo {
    color: var(--text-color-darker);
    z-index: 40;
  }

  /* 全屏导航显示时，导航菜单样式 */
  header.open nav {
    display: grid;
    /* 每行高度为内容的高度，不设置会平分全屏高度 */
    grid-auto-rows: max-content;
    /* 菜单项靠右对齐 */
    justify-self: end;
    justify-items: end;
    position: absolute;
    top: 0;
    left: 0;
    background: white;
    width: 100vw;
    height: 100vh;
    padding: 0 40px;
    opacity: 0;
    /* 下滑效果 */
    animation: slideDown 0.6s ease-out forwards;
  }

  /* 全屏导航显示时，导航菜单项样式和动画 */
  header.open nav>* {
    margin: 4px 0;
    font-size: 18px;
    color: var(--text-color-darker);
    opacity: 0;
    animation: showMenu 0.5s linear forwards 0.4s;
  }

  /* 搜索按钮 */
  header.open nav>i.fas {
    margin-top: 10px;
    color: var(--text-color-darker)
  }

  /* 导航下滑动画 */
  @keyframes slideDown {
    from {
      height: 0;
      opacity: 0;
    }

    to {
      height: 100vh;
      padding-top: 80px;
      opacity: 1;
    }
  }

  /* 菜单项动画 */
  @keyframes showMenu {
    from {
      opacity: 0;
      transform: translateY(-1vh);
    }

    to {
      opacity: 1;
    }
  }

  /* 缩小业务流程标题字体 */
  .service-item .service-title {
    font-size: 20px;
  }

  /* 缩小业务流程内容字体和行距 */
  .service-item .service-content {
    font-size: 14px;
    line-height: 24px;
  }

  /* 团队成员改为两列 */
  .team-members {
    grid-template-columns: repeat(2, 1fr);
    column-gap: 6vw;
    row-gap: 36px;
  }

  /* 公司动态改为两列 */
  .activities {
    grid-template-columns: repeat(2, 1fr);
    row-gap: 36px;
  }
}

/* 小于992象素时 */
@media (max-width: 992px) {

  /* 轮播标题字号缩小  */
  .slide-caption h1 {
    font-size: 48px;
  }

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

  /* 关于我们和业务流程设置为两列布局 */
  .features,
  .services {
    grid-template-columns: repeat(2, 1fr);
    /* 取消两行布局 */
    grid-template-rows: unset;
  }

  /* 数据部分设置为两列布局 */
  .data-section {
    /* 每列最小宽度为200象素，最大为自动 */
    grid-template-columns: repeat(2, minmax(200px, auto));
    row-gap: 24px;
    height: auto;
    padding: 24px 0;
    background-size: 200%;
  }





}

/* 小于768象素时 */
@media (max-width: 768px) {

  /* 区域的左右内边距设置为40象素 */
  section,
  .footer-menus {
    padding: 0 40px;
  }

  /* 关于我们和业务流程设置为1列 */
  .features,
  .services {
    grid-template-columns: 1fr;
  }

  /* 团队成员设置为1列 */
  .team-members {
    grid-template-columns: minmax(200px, 400px);
    /* column-gap: 6vw;
      row-gap: 36px; */
  }

  /* 数据部分设置为1列 */
  .data-section {
    grid-template-columns: 1fr;
    /* 增加背景尺寸 */
    background-size: 320%;
  }

  /* 公司动态设置为1列 */
  .activities {
    grid-template-columns: 1fr;
    row-gap: 36px;
  }

  /* 成功案例图片显示为两列 */
  .showcases .case-item {
    width: calc(100vw / 2);
    height: 30vw;
  }

  /* 底部菜单设置为3列 */
  .footer-menus {
    grid-template-columns: 2fr repeat(2, 1fr);
    row-gap: 24px;
  }

  /* 联系我们占前两列 */
  .contact-us {
    grid-row: 1 / 3;
  }

  /* 菜单文字靠右对齐 */
  .footer-menu {
    text-align: right;
  }
}

/* 小于576象素 */
@media (max-width: 576px) {

  /* 缩小轮播标题文字，探索更多按钮文字 */
  .slide-caption h1 {
    font-size: 28px;
  }

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

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

  /* 成功案例显示为1列 
  .showcases .case-item {
    width: 100vw;
    height: 60vw;
  }*/

  /* 底部菜单显示为1列 */
  .footer-menus {
    grid-template-columns: 1fr;
    /* row-gap: 24px; */
  }

  /* 底部菜单左对齐 */
  .footer-menu {
    justify-self: start;
    text-align: left;
  }
}