.content {
  max-width: 1440px;
  margin: 0 auto;
}

/* 主体颜色 */
:root {
  --background-color: #2c95fe;
  --bgColor: #f4f4f4;
  --text-deep: #494949;
  --text-shallow: #727272;
  --text-color-grey: #999999;
  --deep-background: #f9f9f9;
}

body::-webkit-scrollbar {
  width: 5px;
  height: 5px;
  background: #e4e4e4;
}

body::-webkit-scrollbar-thumb {
  border-radius: 10px;
  background-color: var(--background-color);
  background-image: -webkit-linear-gradient(
    45deg,
    hsla(0, 0%, 100%, 0.2) 25%,
    transparent 0,
    transparent 50%,
    hsla(0, 0%, 100%, 0.2) 0,
    hsla(0, 0%, 100%, 0.2) 75%,
    transparent 0,
    transparent
  );
}

body {
  background-color: var(--bgColor);
}

a:hover {
  color: var(--background-color);
}

/* 背景颜色 */
.bgColorWhite {
  background-color: white;
}

.bgColorDefault {
  background-color: var(--bgColor);
}
.Indexbutton {
  margin: 0 auto;
  width: 120px;
  height: 49px;
  border: solid 2px #dedede;
  font-family: Arial-BoldMT;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 37px;
  letter-spacing: 3px;
  color: #999999;
}
.Indexbutton:hover {
  background-color: #2d4087;
  border: solid 2px #284b9e;
  color: #fff;
}
#loading {
  background-color: var(--background-color);
  height: 100%;
  width: 100%;
  position: fixed;
  z-index: 999999;
  margin-top: 0px;
  top: 0px;
}

#loading-center {
  width: 100%;
  height: 100%;
  position: relative;
}

#loading-center-absolute {
  position: absolute;
  left: 50%;
  top: 50%;
  height: 60px;
  width: 60px;
  margin-top: -30px;
  margin-left: -30px;
  animation: loading-center-absolute 1s infinite;
}

.object {
  width: 20px;
  height: 20px;
  background-color: #fff;
  float: left;
  border-radius: 50% 50% 50% 50%;
  margin-right: 20px;
  margin-bottom: 20px;
}

.object:nth-child(2n + 0) {
  margin-right: 0px;
}

#object_one {
  animation: object_one 1s infinite;
}

#object_two {
  animation: object_two 1s infinite;
}

#object_three {
  animation: object_three 1s infinite;
}

#object_four {
  animation: object_four 1s infinite;
}

@keyframes loading-center-absolute {
  100% {
    transform: rotate(360deg);
  }
}

@keyframes object_one {
  50% {
    transform: translate(20px, 20px);
  }
}

@keyframes object_two {
  50% {
    transform: translate(-20px, 20px);
  }
}

@keyframes object_three {
  50% {
    transform: translate(20px, -20px);
  }
}

@keyframes object_four {
  50% {
    transform: translate(-20px, -20px);
  }
}

/* 标题文字 */
.textTop {
  height: 35px;
  background-color: #333;
  color: #fff;
  line-height: 35px;
  font-size: 16px;
  cursor: pointer;
}

/* 导航栏 */
nav {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 80px;
  line-height: 78px;
  background-color: #fff;
  z-index: 999;
}
.navBox {
  width: 100%;
  height: 80px;
  line-height: 78px;
  background-color: #fff;
}

nav .content {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

nav .content .nav {
  position: relative;
  display: flex;
}

nav .content .logo {
  width: 138px;
  height: 48px;
  margin-left: 10px;
  margin-top: 10px;
  text-indent: -999px;
  font-size: 0;
  background: url(../images/index/logo.png) no-repeat;
}

nav .content .nav_ul {
  margin: 0;
  padding: 0;
  display: flex;
  font-size: 20px;
}

.nav_ul li {
  position: relative;
  margin: 0px 10px;
}
.nav_ul li a {
  text-decoration: none;
  color: #000;
  margin: 0px 10px;
  display: block;
  position: relative; /* 添加相对定位，用于状态条 */
}
nav .content .nav_ul li .right_img {
  position: absolute;
  top: 38%;
  right: -18%;
  }

.nav_ul li::after {
    content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 0; /* 初始状态条宽度为0 */
  height: 3px;
  background-color: #007BFF;
  transition: width 0.3s ease; /* 添加过渡效果 */
}
/* 默认选中状态 */
.nav_active a {
  color: #007BFF !important;
}
.nav_active::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100% !important;
  height: 3px;
  background-color: #007BFF;
}

/* 鼠标悬停效果 */
.nav_ul>li:hover .nav_ul_li_a,
.nav_mask li:hover a {
  color: #007BFF;
}
.nav_ul li:hover::after,
.nav_mask li:hover::after {
  content: '';
   position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 93%;
  height: 3px;
  background-color: #007BFF;
  transition: width 0.3s ease; /* 添加过渡效果 */
}

/* 下拉菜单样式 */

.nav_mask {
  position: absolute;
  top: 100%;
  left: 0;
  background-color: #f8f8f8;
  box-shadow: 0 8px 16px rgba(0,0,0,0.2);
  z-index: 1;

}
.nav_mask li {
  width: 140px;

}
.nav_mask li a {
  /* padding: 10px 15px; */
}

nav .content .nav_ul li:nth-child(2):hover .nav_mask {
  height: 160px;
  display: block;

}
nav .content .nav_ul li:nth-child(2) .nav_mask {
  overflow: hidden;
  height: 0px;
  visibility: visible;
}
nav .content .nav_ul li:nth-child(2):hover .right_img {
  transform: rotate(90deg);
  transition: all 0.3s;
}
nav .content .nav_ul li .nav_mask li {
  overflow: hidden;
  margin: 0 15px;
  cursor: pointer;
  transition: all 0.2s;
}
@media screen and (min-width: 1000px) {
  nav .content .nav_ul li .nav_mask {
    visibility: hidden;
    position: absolute;
    top: 78px;
    left: 0px;
    transition: all .3s;
    font-size: 20px;
    background-color: #fff;
    border-bottom-left-radius: 5px;
    border-bottom-right-radius: 5px;
    /* z-index: -1; */
  }
  nav .content .nav_ul li .right_img {
    width: 20px;
    height: 20px;
    transform: rotate(0deg);
  }
}
/* 轮播图 */
.banner .swiper-slide {
  position: relative;
  width: 100vw;
  /* height: calc(100vh - 115px); */
  text-align: center;
}

.banner .swiper-slide::after {
  content: "";
  width: 100%;
  height: 100%;
  position: absolute;
  /* background: rgba(0, 0, 0, 0.2); */
}

.banner .swiper-slide a img {
  object-fit: cover;
  width: 100vw;
  height: 85vh;
  transition: all 0.5s;
}

.banner .swiper-slide img:hover {
  transform: scale(1.1);
}

.swiper {
  width: 100%;
  height: 100%;
}

.swiper-slide {
  text-align: center;
  font-size: 18px;
  background: #fff;

  /* Center slide text vertically */
  display: flex;
  justify-content: center;
  align-items: center;
}

.swiper {
  margin-left: auto;
  margin-right: auto;
}

/* 通用hd */
.title {
  display: flex;
  flex-direction: column;
  padding: 30px 0;
}
.hd {
  margin: 0 auto;
  text-align: center;
  display: flex;
  align-items: center;
  flex-direction: column;
}

.hd h1 {
  font-family: MicrosoftYaHei-Bold;
  font-size: 24px;
  line-height: 37px;
  letter-spacing: 2px;
  color: #333333;
  /* color: var(--background-color); */
}
.hd p {
  font-family: ArialMT;
  font-size: 20px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 37px;
  letter-spacing: 2px;
  color: #b99880;
}
.hd .blue-bottom {
  width: 48px;
  height: 2px;
  background-color: #3979fc;
}
.title-hd {
  display: flex;
  position: relative;
}
.title-hd .hd-bottom {
  position: absolute;
  top: 18px;
  width: 120px;
  height: 7px;
  background-color: #3979fc;
  border-radius: 3px;
  opacity: 0.21;
}
.title-hd p:nth-child(1) {
  font-family: MicrosoftYaHei-Bold;
  font-size: 18px;
  font-weight: 700;
  font-stretch: normal;
  /* line-height: 37px; */
  letter-spacing: 2px;
  color: #000000;
}
.title-hd p:nth-child(2) {
  font-family: Arial-ItalicMT;
  font-size: 16px;
  font-weight: 700;
  font-stretch: normal;
  /* line-height: 37px; */
  letter-spacing: 2px;
  color: #666666;
  opacity: 0.6;
}

/* 产品与解决方案 */
.member {
  display: flex;
  flex-direction: column;
  padding: 30px 0;
}

.member .memberBd {
  padding: 30px 0;
  display: flex;
  justify-content: space-evenly;
  flex-wrap: wrap;
  cursor: pointer;
}
.member button {
  margin: 0 auto;
  width: 120px;
  height: 49px;
  border: solid 2px #dedede;
  font-family: Arial-BoldMT;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 37px;
  letter-spacing: 3px;
  color: #999999;
}
.member button:hover {
  background-color: #2d4087;
  color: #fff;
}

.member .memberBd .memberBdBox {
  overflow: hidden;
  position: relative;
  width: 266px;
  height: 306px;
  border-radius: 6px;
  transition: all 0.5s;
}

/* 遮罩 */
.member .memberBd .memberBdBoxMask {
  position: absolute;
  top: 0;
  left: 0;
  transform: translateY(-240px);
  /* 变换效果 */
  transition: all 0.5s;
}

.member .memberBd .memberBdBoxMask h2:nth-child(1) {
  margin: 30px 5px 15px;
}

.member .memberBd .memberBdBoxMask h2 {
  font-size: 18px;
  color: #fff;
  margin: 0 5px 15px;
}

.member .memberBd .memberBdBoxMask > h2 > span {
  font-size: 18px;
  color: #fff;
  margin-right: 10px;
}

.member .memberBd .memberBdBoxMask span {
  font-size: 16px;
  color: #fff;
  opacity: 0.9;
}

/* 主体内容 */
.member .memberBd .memberBdBox img {
  width: 100%;
  height: auto;
}
.member .memberBd .memberBdBox > img {
  transform: scale(1);
  transition: all 0.5s;
}

.member .memberBd .memberBdBox p {
  text-align: center;
  font-weight: 700;
  font-family: MicrosoftYaHei-Bold;
  font-size: 20px;
  font-stretch: normal;
  line-height: 37px;
  letter-spacing: 4px;
  color: #333333;
}

.member .memberBd .memberBdBox p {
  font-size: 20px;
  text-align: center;
  color: var(--text-shallow);
}

.member .memberBd .memberBdBox i {
  position: absolute;
  right: 20px;
  bottom: 10px;
  font-size: 88px;
  font-weight: bold;
  font-style: italic;
  opacity: 0.1;
  user-select: none;
}

.member .memberBd .memberBdBox:hover .memberBdBoxMask {
  transform: rotate(0deg);
}
.member .memberBd .memberBdBox:hover > img {
  transform: scale(0.9);
}

.member .memberBd .memberBdBox:hover i {
  color: var(--background-color);
}
/* 课程定制开发 */
.course {
  display: flex;
  flex-direction: column;
  padding: 30px 0;
}
.course .courseBd {
  padding: 30px;
  display: flex;
  justify-content: space-evenly;
  flex-wrap: wrap;
  cursor: pointer;
}

.course .courseBd .courseBdBox {
  overflow: hidden;
  position: relative;
  width: 256px;
  height: 303px;
  background-color: #ffffff;
  box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.2);
  border-radius: 6px;
  transition: all 0.5s;
}
.course .courseBd .courseBdBox .box-item {
  display: flex;
  align-items: center;
  flex-direction: column;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 121px;
  height: 168px;
}

/* 遮罩 */
.course .courseBd .courseBdBoxMask {
  position: absolute;
  top: 0;
  left: 0;
  transform: translateY(-304px);
  /* 变换效果 */
  transition: all 0.5s;
  width: 256px;
  height: 303px;
  background-color: #284b9e;
  box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.2);
}

.course .courseBd .courseBdBoxMask .courseBdBoxMask-box {
  width: 240px;
  height: 140px;
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
}
.course
  .courseBd
  .courseBdBoxMask
  .courseBdBoxMask-box
  .courseBdBoxMask-titlle {
  text-align: center;
  font-family: MicrosoftYaHei-Bold;
  font-size: 20px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 37px;
  letter-spacing: 4px;
  color: #ffffff;
}
.course .courseBd .courseBdBoxMask .courseBdBoxMask-box p {
  text-align: center;
  font-family: MicrosoftYaHei;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 30px;
  letter-spacing: 3px;
  color: #ffffff;
  opacity: 0.6;
}

/* 主体内容 */
.course .courseBd .courseBdBox img {
  width: 100px;
  height: 96px;
  margin-bottom: 40px;
}

.course .courseBd .courseBdBox h1 {
  text-align: center;
  font-weight: 700;
  font-family: MicrosoftYaHei-Bold;
  font-size: 20px;
  font-stretch: normal;
  line-height: 37px;
  letter-spacing: 4px;
  color: #333333;
}

.course .courseBd .courseBdBox p {
  font-size: 20px;
  text-align: center;
  color: var(--text-shallow);
}

.course .courseBd .courseBdBox i {
  position: absolute;
  right: 20px;
  bottom: 10px;
  font-size: 88px;
  font-weight: bold;
  font-style: italic;
  opacity: 0.1;
  user-select: none;
}

.course .courseBd .courseBdBox:hover .courseBdBoxMask {
  transform: rotate(0deg);
}

.course .courseBd .courseBdBox:hover i {
  color: var(--background-color);
}

/* 虚拟演播室 */
.studio {
  margin-bottom: 30px;
}
.studio .studio-hd {
  margin-bottom: 30px;
}
.studio .studio-hd ul {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
}
.studio .studio-hd ul li a {
  width: 720px;
  height: 120px;
  background-color: #ffffff;
  box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.05);
  padding: 30px;
  cursor: pointer;
  display: flex;
  align-items: center;
}
.studio .studio-hd ul li a.active {
  background-color: #284b9e;
  color: #fff;
}

.studio .studio-hd ul li a .divImg1 {
  width: 44px;
  height: 44px;
  margin-right: 30px;
  background: url(../images/index/studio-technology.png) no-repeat;
}
.studio .studio-hd ul li a .divImg1.active {
  background: url(../images/index/studio-technology-active.png) no-repeat;
}
.studio .studio-hd ul li a .divImg2 {
  width: 44px;
  height: 44px;
  margin-right: 30px;
  background: url(../images/index/studio-application.png) no-repeat;
}
.studio .studio-hd ul li a .divImg2.active {
  background: url(../images/index/studio-application-active.png) no-repeat;
}
.studio .studio-hd ul li a .hd-text p:nth-child(1) {
  font-family: MicrosoftYaHei-Bold;
  font-size: 20px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 4px;
}
.studio .studio-hd ul li a .hd-text p:nth-child(2) {
  font-family: Arial-ItalicMT;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  letter-spacing: 2px;
  opacity: 0.4;
}
.studio .studio-content .item {
  display: none;
  /* height: 540px; */
  background-color: #ffffff;
  box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.05);
}
.studio .studio-content .item .itemBox {
  display: flex;
  flex-wrap: wrap;
}
.studio .studio-content .item.active {
  /* display: flex;
  flex-wrap: wrap; */
  display: block;
}
.studio .studio-content .item .item-left {
  width: 480px;
  padding: 40px;
}
.studio .studio-content .item .item-left .item-left-text {
  display: flex;
  flex-direction: column;
  align-items: center;
}
.studio .studio-content .item .item-left .item-left-text .item-left-title {
  font-family: MicrosoftYaHei-Bold;
  font-size: 20px;
  font-weight: 700;
  font-stretch: normal;
  letter-spacing: 2px;
  color: #333333;
  padding: 20px 0;
}
.studio .studio-content .item .item-left .item-left-text p:nth-child(1) {
  font-family: ArialMT;
  font-size: 20px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 37px;
  letter-spacing: 0px;
  color: #666666;
}
.studio .studio-content .item .item-left .item-left-text p:nth-child(2) {
  font-family: MicrosoftYaHei-Bold;
  font-size: 24px;
  font-weight: 700;
  font-stretch: normal;
  line-height: 37px;
  letter-spacing: 2px;
  color: #3979fc;
  margin-bottom: 10px;
}
.studio .studio-content .item .item-left .item-left-text .blue {
  width: 24px;
  height: 4px;
  background-color: #3979fc;
}
.studio .studio-content .item .item-left .item-left-text span {
  font-family: MicrosoftYaHei;
  font-size: 16px;
  font-weight: normal;
  font-stretch: normal;
  line-height: 37px;
  letter-spacing: 0px;
  color: #666666;
}
.studio .studio-content .item .item-left button {
  float: right;
}
/* .studio .studio-content .item .item-left button:hover {
  background-color: #284b9e;
  color: #fff;
} */
.studio .item-right {
  width: 960px;
}
.studio .item-right img {
  width: 100%;
  height: 100%;
}
/* 关于我们 */
.about-content .about-textbtn {
  display: flex;
  flex-direction: column;
  margin-bottom: 30px;
}
.about-content .about-textbtn p {
  font-size: 16px;
}
/* 合作伙伴 */
.cooperative-content ul {
  /* display: flex;
  flex-wrap: wrap; */
  display: grid;
  justify-content: space-between;
  justify-items: center;
  grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
  grid-gap: 20px 10px;
}
.cooperative-content ul li {
  width: 220px;
  height: 120px;
  background: #ffffff;
  box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.05);
  text-align: center;
  line-height: 120px;
  /* margin: 0 24px 24px 0; */
  transition: all 0.5s ease;
  position: relative;
  overflow: hidden;
  cursor: pointer;
}

.cooperative-content ul li .cooperativeItemMask {
  width: 220px;
  height: 120px;
  background: #ffffff;
  box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.05);
  text-align: center;
  display: none;
  position: absolute;
  top: 0;
  left: 0;
  transform: translateY(-120px);
  transition: all 0.5s ease;
}
.cooperative-content ul li .cooperativeItemMaskText {
  width: 220px;
  height: 30px;
  background: #284b9e;
  box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.05);
  border-radius: 0px 0px 4px 4px;
  font-weight: bold;
  font-size: 16px;
  color: #ffffff;
  position: absolute;
  bottom: 0;
  transform: translateY(30px);
  left: 0;
  line-height: 30px;
  transition: all 0.5s ease;
}
.cooperative-content ul li:hover .cooperativeItemMask {
  transform: translateY(0px);
  display: block;
}
.cooperative-content ul li:hover .cooperativeItemMaskText {
  transform: translateY(0px);
}
.cooperative-content ul li img {
  width: 100%;
  height: 100%;
}

/* 底部 */
footer {
  margin-top: 30px;
  padding-bottom: 15px;
  background-color: #1f366c;
}

.footer {
  display: flex;
  justify-content: space-between;
  padding: 30px 10px;
  align-items: center;
}
.footer .follow {
  border-bottom: 2px solid rgba(255, 255, 255, 0.1);
  padding-bottom: 10px;
  margin-bottom: 10px;
}
.footer .fotText {
  font-family: Microsoft YaHei;
  font-weight: bold;
  font-size: 24px;
  color: #ffffff;
  line-height: 37px;
  margin-bottom: 5px;
}
.footer .fotText span {
  margin-left: 20px;
  font-family: Arial;
  font-weight: 400;
  font-size: 24px;
  color: #ffffff;
  line-height: 37px;
  opacity: 0.4;
}
.footer .fotItem {
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 16px;
  color: #ffffff;
  line-height: 37px;
  margin-bottom: 5px;
}
.footer .fotItem span {
  /* margin-left: 40px; */
  font-family: Microsoft YaHei;
  font-weight: 400;
  font-size: 16px;
  color: #ffffff;
  line-height: 37px;
  opacity: 0.4;
}

.FooterSeparate {
  margin: 0 30px;
  border-top: 1px solid rgba(255, 255, 255, 0.2);
}

.FooterSeparate .content {
  display: flex;
  justify-content: center;
  align-items: center;
  line-height: 2;
  margin-top: 15px;
}
.footer .forRight {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-wrap: wrap;
  justify-content: center;
}
.footerLogo {
  width: 150px;
  text-align: center;
}

.footrCopyright {
  /* margin-left: 50px; */
  /* margin: 0 auto; */
}

.FooterSeparate .footerLogo h1 {
  font-size: 45px;
  color: #fff;
  font-weight: 500;
}

.FooterSeparate .footrCopyright p {
  font-size: 14px;
}

.FooterSeparate .footrCopyright a {
  font-size: 18px;
}

/* goBack制作 */
.goBack {
  z-index: 99;
  display: none;
  position: fixed;
  right: 30px;
  bottom: 100px;
  width: 52px;
  height: 56px;
  border-radius: 3px;
  background-color: var(--background-color);
  cursor: pointer;
}
.goBack span {
  display: block;
  font-size: 36px;
  color: #fff;
  text-align: center;
  margin: 0 auto;
}

/* 面包屑 */
.crumbs {
  margin: 15px auto;
  font-size: 16px;
  vertical-align: middle;
}

.crumbs > * {
  font-size: 16px;
}

.crumbs span {
  font-size: 20px;
  padding-right: 10px;
}

/* 网页适配 */
@media screen and (max-width: 1445px) {
  .studio-content .item .item-right {
    width: 720px;
  }
}


@media screen and (max-width: 1000px) {
  .studio .studio-hd ul li a {
    padding: 10px;
  }
  .studio .studio-hd ul li a .divImg1 {
    width: 44px;
    height: 44px;
    margin-right: 10px;
    background: url(../images/index/studio-technology.png) no-repeat;
  }

  .studio .studio-hd ul li a .divImg2 {
    width: 44px;
    height: 44px;
    margin-right: 10px;
    background: url(../images/index/studio-application.png) no-repeat;
  }
  .cooperative-content ul {
    /* display: flex;
    flex-wrap: wrap; */
    display: grid;
    justify-content: space-between;
    justify-items: center;
    grid-template-columns: repeat(auto-fill, minmax(140px, 2fr));
    grid-gap: 20px 10px;
  }
  .cooperative-content ul li {
    width: 170px;
    height: 90px;
    background: #ffffff;
    box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.05);
    text-align: center;
    line-height: 90px;
  }
  .cooperative-content ul li .cooperativeItemMask {
    width: 170px;
    height: 90px;
    background: #ffffff;
    box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.05);
    text-align: center;
    display: none;
    position: absolute;
    top: 0;
    left: 0;
    transform: translateY(-120px);
    transition: all 0.5s ease;
  }
  .cooperative-content ul li .cooperativeItemMaskText {
    width: 170px;
    height: 25px;
    background: #284b9e;
    box-shadow: 0px 0px 12px 0px rgba(0, 0, 0, 0.05);
    border-radius: 0px 0px 4px 4px;
    font-weight: bold;
    font-size: 12px;
    color: #ffffff;
    position: absolute;
    bottom: 0;
    transform: translateY(30px);
    left: 0;
    line-height: 25px;
    transition: all 0.5s ease;
  }
  .cooperative-content ul li:hover .cooperativeItemMask {
    transform: translateY(0px);
    display: block;
  }
  .cooperative-content ul li:hover .cooperativeItemMaskText {
    transform: translateY(0px);
  }
  nav .content .nav_ul li .right_img {
    width: 0;
    height: 20px;
    transform: rotate(90deg);
  }
  .course .courseBd {
    padding: 30px 0;
    display: grid;
    justify-content: space-between;
    justify-items: center;
    grid-template-columns: repeat(auto-fill, minmax(140px, 2fr));
    grid-gap: 10px 10px;
    cursor: pointer;
  }
  .course .courseBd .courseBdBox {
    overflow: hidden;
    position: relative;
    width: 170px;
    height: 190px;
    background-color: #ffffff;
    box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.2);
    border-radius: 6px;
    margin-top: 10px;
    transition: all 0.5s;
  }
  .course .courseBd .courseBdBoxMask {
    position: absolute;
    top: 0;
    left: 0;
    transform: translateY(-304px);
    transition: all 0.5s;
    width: 170px;
    height: 190px;
    background-color: #284b9e;
    box-shadow: 0px 0px 6px 0px rgba(0, 0, 0, 0.2);
  }
  .course .courseBd .courseBdBoxMask .courseBdBoxMask-box p {
    text-align: center;
    font-family: MicrosoftYaHei;
    font-size: 11px;
    font-weight: normal;
    font-stretch: normal;
    line-height: 30px;
    letter-spacing: 3px;
    color: #ffffff;
    opacity: 0.6;
  }
  .about-content .about-textbtn {
    display: flex;
    flex-wrap: wrap;
    padding: 0 10px;
  }
  .about-content .about-textbtn button {
    margin-top: 10px;
  }

  footer {
    padding-bottom: 15px;
    background-color: #1f366c;
  }

  .footer {
    display: flex;
    justify-content: space-between;
    padding: 8px;
  }
  .footer .fotText {
    font-family: Microsoft YaHei;
    font-weight: bold;
    font-size: 20px;
    color: #ffffff;
    line-height: 37px;
    margin-bottom: 5px;
    /* text-align: center; */
  }
  .footer .fotText span {
    margin-left: 20px;
    font-family: Arial;
    font-weight: 400;
    font-size: 20px;
    color: #ffffff;
    line-height: 37px;
    opacity: 0.4;
  }
  .footer .fotItem {
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: 14px;
    color: #ffffff;
    line-height: 37px;
    margin-bottom: 5px;
  }
  .footer .fotItem span {
    margin-left: 5px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    font-size: 14px;
    color: #ffffff;
    line-height: 37px;
    opacity: 0.4;
  }
  .footer .forRight {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto;
  }

  /* 取消移动端长按高亮背景显示 这里设置为透明 */
  * {
    -webkit-tap-highlight-color: transparent;
  }

  /*在移动端浏览器默认的外观在iOS上加上这个属性才能给按钮和输入框自定义样式*/
  input {
    -webkit-appearance: none;
  }

  /* 禁用长按页面时弹出的菜单 */
  img,
  a {
    -webkit-touch-callout: none;
  }

  nav .content .nav {
    display: none;
  }

  /* 汉堡按钮 */
  .burger {
    position: absolute;
    top: 70px;
    right: 30px;
    display: block;
    width: 20px;
    height: 6px;
    z-index: 999;
    cursor: pointer;
  }

  .burger .top-line,
  .burger .middle-line,
  .burger .bottom-line {
    width: 25px;
    height: 2px;
    background-color: var(--text-deep);
  }

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

  .burger .middle-line {
    width: 15px;
  }

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

  /* 被点击以后的样式 */
  header.open .top-line,
  header.open .middle-line,
  header.open .bottom-line {
    transition: 0.4s ease;
  }

  /* 第一条线 */
  header.open .top-line {
    transform: rotate(45deg) translate(3px, 5px);
  }

  /* 第二条线 */
  header.open .middle-line {
    transform: translateX(5px);
    opacity: 0;
  }

  /* 第三条线 */
  header.open .bottom-line {
    transform: rotate(-45deg) translate(3px, -5px);
  }

  /* nav样式 */
  header.open nav .content .nav {
    position: relative;
    display: block;
    z-index: 999;
    width: 100vw;
    /* height: calc(100vh - 92px); */
    margin-top: -1px;
    background-color: #fff;
    /* 下滑效果 */
    animation: slideDown 0.6s ease-in-out forwards;
  }

  @keyframes slideDown {
    from {
      width: 0;
      height: 0;
    }

    to {
      height: 100vh;
      padding-left: 20px;
      opacity: 1;
    }
  }

  nav .content {
    display: block;
  }

  header.open nav .content .nav .nav_ul {
    display: flex;
    flex-direction: column;
  }

  header.open nav .content .nav > * {
    font-size: 18px;
    color: var(--text-shallow);
    opacity: 0;
    animation: showMenu 0.5s linear forwards 0.4s;
  }

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

    to {
      opacity: 1;
    }
  }

  /* 文字适应 */
  .textTop p {
    font-size: 16px;
    margin: 0 20px;
  }

  nav .content .logo {
    /* font-size: 24px; */
    /* margin: 0 20px; */
    width: 138px;
    height: 48px;
    margin-left: 10px;
    margin-top: 10px;
    text-indent: -999px;
    font-size: 0;
    background: url(../images/index/logo.png) no-repeat;
  }

  .swiper-slide .bannerText {
    margin: 0 26px;
  }

  .swiper-slide .bannerText h1 {
    font-size: 50px;
  }
  .banner .swiper-slide {
    height: 30vh;
  }
  .banner .swiper-slide a img {
    object-fit: cover;
    width: 100vw;
    height: 22vh;
    transition: all 0.5s;
  }
}

@media screen and (max-width: 540px) {
  @import url(../css/normalize.css);

  /* 虚拟演播室Hd变化 */
  .studio .studio-hd ul li a {
    width: 100vw;
    height: 100px;
  }
  .studio .studio-content .item .item-left {
    width: 480px;
    padding: 20px;
  }
  .studio .studio-hd h1 span {
    top: -15px;
  }
  .studio-content .item .item-right {
    width: 100vw;
  }
  .swiper-slide .bannerText p:last-child {
    width: 99px;
    height: 40px;
    line-height: 40px;
    font-size: 16px;
  }

  /* 汉堡按钮位置 */
  .burger {
    top: 32px;
  }

  /* 小屏宽度下nav重载 */

  nav {
    height: 66px;
    line-height: 66px;
  }

  /* 轮播图高度重置 */
  .banner .swiper-slide {
    /* height: calc(100vh - 94px); */
  }

  /* 轮播图边距重置 */
  /* .swiper-slide .bannerText {
        margin: 0 26px;
    } */
  .swiper-slide .bannerText h1 {
    font-size: 26px;
  }

  .aboutus {
    flex-direction: column;
  }

  .aboutus .hd {
    display: block;
  }

  /* 底部 */
  .footer {
    flex-wrap: wrap;
  }

  .footer .forHelp {
    flex-direction: column;
  }

  .FooterSeparate .content h1 {
    display: none;
  }

  .footerLogo {
    width: 0;
  }

  .footrCopyright {
    margin: auto;
  }

  /* 底部 */

  .FooterSeparate {
    margin: 0 10px;
  }

  .FooterSeparate .footrCopyright p,
  .FooterSeparate .footrCopyright a {
    display: block;
    font-size: 14px;
    text-align: center;
  }

  .hd h1 span {
    left: 33%;
  }

  .goBack {
    width: 45px;
    height: 45px;
    right: 20px;
    bottom: 50px;
  }

  .goBack span {
    font-size: 30px;
  }
}