* {
  margin: 0;
  padding: 0;
  font-family: 'Microsoft YaHei';
}

a {
  text-decoration: none;
}

img {
  border: none;
}

ul {
  list-style-type: none;
}

body {
  font-size: 14px;
  margin: 0 auto;
  background-color: #ffffff;
}

.banner {
  width: 100%;
  height: 480px;
  margin-bottom: 80px;
  background-image: url('//zzhz.zjol.com.cn/material/zt/2021ddy/project/2024lpdk/img/banner.png');
  background-repeat: no-repeat;
  background-size: 1905px 480px;
  background-position: center;
}

.nav-wrapper {
  z-index: 11;
  position: sticky;
  top: 0;
  display: flex;
  justify-content: space-around;
  padding: 0 20px;
  background-color: #fff;
}

.nav-wrapper .sliding {
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 10px;
  background-color: #c12525;
  transition: width 0.3s cubic-bezier(0.645, 0.045, 0.355, 1),
    transform 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
}
.nav-wrapper .tab {
  position: relative;
  flex-grow: 1;
  height: 80px;
  text-align: center;
}

.nav-wrapper .tab .inner {
  position: relative;
  z-index: 9;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 100%;
  padding: 0 10px;
  margin: auto;
  text-align: center;
  color: #372214;
}
.nav-wrapper .tab .inner .cn {
  font-size: 22px;
  font-weight: bold;
}
.nav-wrapper .tab .inner .en {
  font-size: 20px;
}

.tab-header-wrapper {
  z-index: 999;
  position: sticky;
  top: 0;
  background-color: #372214;
}
.tab-header {
  position: relative;
  display: flex;
  justify-content: space-between;
  white-space: nowrap;
  transition: transform 0.3s;
  z-index: 1;
  width: 1100px;
  margin: auto;
  margin-bottom: 20px;
}
.tab-header .tab-active-bar {
  position: absolute;
  left: 0;
  bottom: 15px;
  width: 100px;
  height: 4px;
  background-color: #c12525;
  z-index: 1;
  transition: width 0.3s cubic-bezier(0.645, 0.045, 0.355, 1),
    transform 0.3s cubic-bezier(0.645, 0.045, 0.355, 1);
  list-style: none;
}
.tab-header .tab-active-bar.no-transition {
  transition: none;
}
.tab-header .tab-item {
  padding: 0 10px;
  height: 80px;
  box-sizing: border-box;
  display: flex;
  align-items: center;
  justify-content: center;
  list-style: none;
  font-size: 22px;
  font-weight: lighter;
  color: #ffffff;
  position: relative;
  cursor: pointer;
}
/* .tab-header .tab-item.active {
  color: #c12525;
} */
.tab-content-item {
  display: none;
}
.tab-content-item.active {
  display: block;
}

.section {
  width: 1100px;
  margin: 0 auto;
  margin-bottom: 80px;
}
.section img {
  max-width: 100%;
}
.section-title {
  margin-bottom: 30px;
  text-align: center;
  position: relative;
  color: #2f5194;
}
.section-title > h3 {
  font-size: 30px;
  line-height: 50px;
  margin-bottom: 5px;
}
.section-title .subtitle {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.section-title .subtitle .line {
  flex-grow: 1;
  height: 1px;
  background-color: #c12525;
}
.section-title .subtitle .text {
  text-align: center;
  vertical-align: middle;
  margin: 0 10px;
}
.section-title .subtitle .en {
  letter-spacing: 8px;
}

/* .section-inner {
  overflow: hidden;
} */

.section-inner .abstract {
  border-radius: 5px;
  background: #eceef2;
  color: #000;
  padding: 25px;
}
.section-inner .abstract > p {
  font-size: 18px;
  line-height: 40px;
  text-align: justify;
  text-indent: 2em;
}
.section-inner .abstract > p > a {
  color: #000;
}
.section-inner .abstract > p > a:hover {
  text-decoration: underline;
}

.code {
  text-align: center;
  font-size: 0;
}
.code img {
  width: 150px;
}
.code img + img {
  margin-left: 50px;
}

.footer {
  padding-bottom: 30px;
  margin-top: 80px;
}
.footer a {
  color: #000000;
}
.footer a:hover {
  color: #2b93d2;
  text-decoration: underline;
}