* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}
ul,
ol {
  list-style: none;
}
a {
  text-decoration: none;
  color: #666;
}
a:hover {
  color: #04a38d;
}
html,
body {
  color: #666;
  font-family: "Microsoft Yahei", "微软雅黑";
  font-size: 16px;
  min-width: 980px;
}
/*共用*/
.container {
  width: 960px;
  margin: 0 auto;
}
/*顶部*/
header {
  width: 100%;
  background-image: linear-gradient(to left bottom, #048574, #0f9482, #19a391, #21b2a0, #29c2b0);
  color: #fff;
}
header .head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 0;
}
/*主导航*/
.nav {
  height: 80px;
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.nav li a {
  padding: 8px 16px;
  border-radius: 50px;
  transition: all 0.3s ease;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
.nav li a:hover {
  background: linear-gradient(135deg, #04a38d, #2fd1be);
  color: #fff;
}
.nav .on a {
  background: linear-gradient(135deg, #04a38d, #2fd1be);
  color: #fff;
}
/*焦点图*/
.banner {
  width: 960px;
  height: 380px;
  margin: 0 auto;
}
.banner .slider {
  width: 960px;
  margin: 0 auto;
  position: relative;
  overflow: hidden;
  height: 380px;
}
.banner .slider .bd {
  position: relative;
  z-index: 0;
}
.banner .slider .bd li {
  height: 380px;
  overflow: hidden;
}
.banner .slider .bd li img {
  display: block;
}
.banner .slider .timer {
  position: absolute;
  z-index: 1;
  left: 0;
  bottom: 0;
  height: 4px;
  width: 0;
  background: #000;
  opacity: 0.4;
  font-size: 0;
  overflow: hidden;
}
/*课程*/
.course {
  margin-top: 70px;
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 30px;
}
.course .item img {
  transition: transform 0.4s ease;
  width: 300px;
  height: 140px;
  overflow: hidden;
}
.course .item h2 {
  font-size: 16px;
  font-weight: 300;
  line-height: 50px;
  color: #e10312;
}
.course .item p {
  color: #a6a5a5;
  font-size: 14px;
  line-height: 26px;
  text-align: justify;
}
.course .item span {
  display: block;
  margin-top: 30px;
}
.course .item span a {
  border: 1px solid #ccc;
  font-size: 14px;
  padding: 4px 12px;
  color: #a6a5a5;
}
.course .item span a:hover {
  color: #666;
  background: #f4f4f4;
}
/*师资团队*/
.team {
  margin-top: 50px;
}
.team .title {
  height: 60px;
  line-height: 60px;
  border-bottom: 1px solid #e3e2de;
  margin-bottom: 30px;
}
.team .title h2 {
  font-size: 16px;
  font-weight: 300;
}
.team .list {
  height: 348px;
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  grid-template-rows: repeat(2, 1fr);
  gap: 20px;
}
.team .list .item-left {
  overflow: hidden;
  grid-column: 1/4;
  grid-row: 1/3;
}
.team .list .item-left img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.team .list .item-right-pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.team .list .item-right-text {
  padding: 14px 12px;
  background: #2ababa;
  color: #fff;
  font-size: 14px;
}
.team .list .item-right-text h3 {
  font-size: 14px;
  font-weight: 600;
}
.team .list .item-right-text p {
  line-height: 26px;
  padding-top: 8px;
  text-align: justify;
}
/*学习环境*/
.environment {
  margin-top: 70px;
}
.environment .title {
  height: 60px;
  line-height: 60px;
  border-bottom: 1px solid #e3e2de;
  margin-bottom: 30px;
}
.environment .title h2 {
  font-size: 16px;
  font-weight: 300;
}
.environment .milieu {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
}
.environment .milieu a {
  width: 300px;
  height: 180px;
  overflow: hidden;
}
.environment .milieu a img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
/*底部*/
footer {
  width: 100%;
  background: #434343;
  margin-top: 70px;
  color: #a7a7a7;
  padding-top: 20px;
}
footer .link span {
  line-height: 46px;
  display: flex;
  gap: 20px;
}
footer .link span a {
  color: #a7a7a7;
}
footer .link p {
  line-height: 32px;
}
footer .link p a {
  color: #a7a7a7;
}
footer .link .ys {
  text-indent: -9999em;
}
/*图文列表*/
.sub-nav {
  height: 60px;
  line-height: 60px;
  border-bottom: 1px solid #e3e2de;
}
.list-content {
  margin-top: 30px;
}
.list-content ul {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  grid-gap: 30px;
}
.list-content ul li {
  padding: 6px;
  border: 1px solid #dadada;
  transition: all 0.6s ease;
}
.list-content ul li a {
  width: 300px;
  height: auto;
}
.list-content ul li a img {
  width: 100%;
  height: auto;
  object-fit: cover;
}
.list-content ul li a span {
  display: block;
  height: 36px;
  line-height: 36px;
  text-align: center;
  background-color: #f1f1f1;
  overflow: hidden;
  transition: all 0.6s ease;
}
.list-content ul li:hover {
  border: 1px solid #04a38d;
}
.list-content ul li:hover span {
  background: #29c2b0;
  color: #fff;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.page {
  margin-top: 50px;
  padding: 30px 0;
  border-top: 1px solid #e3e2de;
  border-bottom: 1px solid #e3e2de;
}
.page b {
  padding: 0px 15px 0px 15px;
  color: #f00;
}
.page a {
  line-height: 40px;
  padding: 8px 14px 8px 14px;
  background: #eaeaea;
  text-align: center;
  color: #666;
  transition: all 0.4s ease;
}
.page a:hover {
  background: #2fd1be;
  text-decoration: none;
  color: #fff;
}
.page a b {
  text-align: center;
  padding: 0px 10px 0px 0px;
}
/*文章列表*/
.article-list {
  margin-top: 30px;
}
.article-list li {
  height: 50px;
  line-height: 50px;
  overflow: hidden;
  border-bottom: 1px dashed #e3e2de;
  display: flex;
  justify-content: space-between;
}
.article-list li a {
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.article-list li time {
  flex: 0 0 100px;
  color: #a0a0a0;
  font-style: normal;
  padding-left: 10px;
}
/*文章内容*/
.content {
  margin-top: 30px;
  border: 1px solid #e3e2de;
  padding: 20px;
}
.content .title {
  text-align: center;
}
.content .title h2 {
  font-size: 24px;
  font-weight: 400;
  color: #3b3b3b;
}
.content .source {
  text-align: center;
  padding-top: 20px;
  padding-bottom: 16px;
  color: #a0a0a0;
  font-style: normal;
  font-size: 14px;
  border-bottom: 1px dashed #e3e2de;
}
.content .source span {
  padding: 0px 12px;
}
.content .source span i {
  padding-right: 5px;
}
.content .content-text {
  padding: 20px 0px;
}
.content .content-text p {
  text-indent: 2em;
  line-height: 28px;
  padding: 8px 0px;
  font-weight: normal;
  text-align: justify;
}
.content .content-text td {
  height: 34px;
}
.content .content-text img {
  display: block;
  width: 93%;
  height: auto;
  margin: 0 auto;
  object-fit: cover;
}
.content .previous {
  border-top: 1px solid #e3e2de;
  padding-top: 20px;
}
.content .previous li {
  height: 34px;
  line-height: 34px;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
/*单页系统*/
.single-page {
  min-height: 1000px;
  margin-top: 30px;
  border: 1px solid #e3e2de;
  padding: 20px;
}
.single-page p {
  text-indent: 2em;
  line-height: 28px;
  padding: 8px 0px;
  font-weight: normal;
  text-align: justify;
}