* {
  padding: 0;
  margin: 0;
  box-sizing: border-box;
  font-style: normal;
}
html {
  -ms-text-size-adjust: 100%;
  -webkit-text-size-adjust: 100%;
  font-size: 16rpx;
}
ul,
ol,
dl {
  list-style: none;
  margin-bottom: 0 !important;
}
/* .top-list-box,
.s1,
.s2,
.s3,
.s4,
.s5 {
    font-family: SourceHanSansCN, SimHei;
} */
.fl {
  float: left;
}
.fr {
  float: right;
}
.clear {
  zoom: 1;
}
.clear:after {
  clear: both;
  display: block;
  content: "";
}
a {
  text-decoration: none;
  cursor: pointer;
}
a:hover {
  text-decoration: none;
  cursor: pointer;
}
a:focus {
  outline-style: none;
}
.nav_right {
  padding-left: 0;
}
.flex-c {
  display: flex;
  justify-content: center;
  align-items: center;
}
.base {
  width: 1200px;
  margin: auto;
}
@keyframes btn_ani {
  to {
    transform: scale(1.1);
  }
}
body {
  overflow-x: hidden;
  user-select: none;
  font-family: "pingfang SC", "webfont", "helvetica neue", arial, "hiragino sans gb", "microsoft yahei ui", "microsoft yahei", simsun, sans-serif;
}
.main {
  background: #1D3096 url(../imgs/bg-body-btm.png) no-repeat;
  background-position: right bottom;
  padding-bottom: 60px;
}
.s-title-box {
  z-index: 1;
  position: relative;
  width: 1200px;
  margin: auto;
  height: 143px;
  background: url(../imgs/cont-box-head-bg.png) no-repeat;
  background-size: auto 100%;
  background-position: 3px center;
  text-align: center;
  padding-top: 6px;
}
.s-title-box h2 {
  line-height: 63px;
  font-size: 36px;
  color: #1B3196;
  font-weight: bold;
}
.s-title-box p {
  margin-top: 18px;
  line-height: 22px;
  font-size: 22px;
  color: #31FBE1;
}
.cont-box {
  z-index: 1;
  width: 1200px;
  margin: auto;
  margin-top: -20px;
  width: 1201px;
  border: 1px solid;
  background: linear-gradient(45deg, #73CDFF, #0298EC);
  border: 1px solid #0298EC;
  border-radius: 20px;
  position: relative;
  padding: 17px;
}
.cont-box .aside-tit {
  z-index: 10;
  position: absolute;
  top: 38px;
  left: -9px;
}
.cont-box .aside-tit img {
  width: 176px;
  height: 55px;
}
.banner {
  z-index: 0;
  position: relative;
  height: 1368px;
  background: url(../imgs/banner.jpg) no-repeat;
  background-size: 1920px;
  background-position: center center;
}
.banner .base {
  height: 434px;
  padding-top: 177px;
}
.banner .base .title {
  width: 711px;
  height: 110px;
  margin-left: 85px;
  animation: btn_ani ease 0.9s infinite alternate-reverse;
}
.banner .base .btn {
  display: inline-block;
}
.banner .base .btn:first-of-type {
  margin: 86px 20px 0 184px;
  margin-right: 20px;
  width: 224px;
  height: 56px;
}
.banner .base .btn:last-of-type {
  width: 308px;
  height: 74px;
}
.top-list {
  z-index: 1;
  position: relative;
  margin-top: -838px;
  padding-left: 22px;
  display: flex;
}
.top-list li {
  margin-right: 27px;
  width: 116px;
  height: 113px;
  background: url(../imgs/top-list-item-bg.png) no-repeat;
  background-size: 100% 100%;
  font-size: 18px;
  color: #FFFFFF;
  line-height: 26px;
  padding-top: 50px;
  text-align: center;
}
.top-list li span {
  color: #FFD772;
}
.s1 {
  margin-top: 46px;
}
.s1 .cont-box {
  height: 415px;
  display: flex;
  justify-content: space-between;
}
.s1 .cont-box .left {
  width: 502px;
  height: 380px;
  border-radius: 20px;
  overflow: hidden;
}
.s1 .cont-box .left img {
  width: 100%;
  height: 100%;
}
.s1 .cont-box .right {
  width: 648px;
  height: 377px;
  background: linear-gradient(45deg, #0F19A4, #3D09A7);
  border-radius: 30px;
  overflow: hidden;
}
.s1 .cont-box .right .tit {
  height: 60px;
  background: linear-gradient(0deg, rgba(115, 205, 255, 0.2), rgba(2, 233, 236, 0.2));
  font-size: 22px;
  font-weight: 500;
  color: #FFFFFF;
  line-height: 60px;
  text-align: center;
}
.s1 .cont-box .right .subject-list {
  padding: 20px 20px 0 20px;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.s1 .cont-box .right .subject-list-item {
  margin-bottom: 10px;
  width: 12.5%;
  text-align: center;
  display: flex;
  flex-direction: column;
  align-items: center;
}
.s1 .cont-box .right .subject-list-item .icon-wrapper {
  width: 55px;
  height: 60px;
  background: url(../imgs/hexagonal.png) no-repeat;
  background-size: 60px;
  background-position: center center;
  display: flex;
  justify-content: center;
  align-items: center;
}
.s1 .cont-box .right .subject-list-item .icon-wrapper i.icon {
  font-size: 23px;
  color: #023a93;
}
.s1 .cont-box .right .subject-list-item .icon-wrapper img.icon {
  width: 23px;
}
.s1 .cont-box .right .subject-list-item p {
  font-size: 12px;
  color: #FFFFFF;
  opacity: 0.8;
  white-space: nowrap;
}
.s1 .cont-box .right .subject-list-item:hover .icon-wrapper {
  background-image: url(../imgs/hexagonal-active.png);
}
.s1 .cont-box .right .btn {
  margin: 8px auto;
  display: block;
  width: 326px;
  height: 74px;
  background: url(../imgs/btn-bg.jpg) no-repeat;
  background-size: 100% 100%;
  border-radius: 10px;
  font-size: 24px;
  font-weight: 600;
  color: #FFFEFE;
  line-height: 11px;
  text-shadow: 0px 5px 17px rgba(0, 85, 255, 0.38);
  text-align: center;
  line-height: 74px;
  padding-bottom: 4px;
  animation: btn_ani infinite ease 0.8s alternate;
}
.s2 {
  margin-top: 56px;
}
.s2 .cont-box {
  height: 311px;
  display: flex;
  justify-content: space-between;
}
.s2 .cont-box .left {
  width: 502px;
  height: 276px;
  border-radius: 20px;
  overflow: hidden;
}
.s2 .cont-box .left img {
  width: 100%;
  height: 100%;
}
.s2 .cont-box .right {
  width: 649px;
  height: 277px;
  border-radius: 20px;
  overflow: hidden;
  background: #31FBE1 url(../imgs/s2-right-bg.jpg) no-repeat;
  background-size: 100% 100%;
  padding: 90px 76px;
}
.s2 .cont-box .right .tit {
  line-height: 38px;
  font-size: 39px;
  font-weight: 500;
  color: #64DAF9;
}
.s2 .cont-box .right .btn {
  display: block;
  margin-top: 19px;
  width: 190px;
  height: 50px;
  background: #2074FF;
  border-radius: 25px;
  line-height: 50px;
  text-align: center;
  font-size: 18px;
  color: #FEFEFE;
  animation: btn_ani infinite ease 0.8s alternate;
}
.s3 {
  margin-top: 60px;
}
.s3 .cont-box {
  height: 1283px;
  background: #2433E8;
  border: 1px solid #0BE3F8;
  padding: 15px 18px;
}
.s3 .cont-box .list {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
}
.s3 .cont-box .list li {
  margin-top: 16px;
  width: 281px;
  height: 300px;
  background: #fff;
  border-radius: 14px;
  overflow: hidden;
  position: relative;
}
.s3 .cont-box .list li:nth-child(-n+4) {
  margin-top: 0;
}
.s3 .cont-box .list li:first-child .cover {
  height: 100%;
}
.s3 .cont-box .list li:nth-child(even) .tag {
  background: #268CFF;
}
.s3 .cont-box .list li:nth-child(even) .tag::before {
  content: '录播';
}
.s3 .cont-box .list li:nth-child(odd) .tag {
  background: #00B649;
}
.s3 .cont-box .list li:nth-child(odd) .tag::before {
  content: '直播';
}
.s3 .cont-box .list li .cover {
  width: 100%;
  height: 158px;
}
.s3 .cont-box .list li .tag {
  position: absolute;
  right: 4px;
  top: 4px;
  width: 50px;
  height: 24px;
  border-radius: 5px;
  font-size: 16px;
  color: #fff;
  text-align: center;
  line-height: 24px;
}
.s3 .cont-box .list li .info-box {
  padding: 25px 36px 0 32px;
}
.s3 .cont-box .list li .info-box del {
  font-size: 16px;
  text-decoration: line-through;
  color: #666666;
  line-height: 16px;
}
.s3 .cont-box .list li .info-box .tit {
  margin-top: 1px;
  font-size: 18px;
  color: #DA4240;
  line-height: 17px;
}
.s3 .cont-box .list li .info-box .num {
  margin-top: -36px;
  float: right;
  font-size: 48px;
  font-weight: 600;
  color: #DA4240;
  line-height: 36px;
}
.s3 .cont-box .list li .btn {
  display: block;
  margin: 22px auto;
  width: 128px;
  height: 36px;
  border-radius: 18px;
  line-height: 36px;
  text-align: center;
  font-size: 16px;
  transition: all 0.2s;
  color: #2074FF;
  background-color: #fff;
  border: 1px solid #2074FF;
}
.s3 .cont-box .list li .btn:hover {
  background: #2074FF;
  color: #fff;
}
.s4 {
  margin-top: 65px;
}
.s4 .cont-box {
  height: 376px;
}
.s4 .cont-box .list {
  display: flex;
  justify-content: space-between;
}
.s4 .cont-box .list .item {
  width: 378px;
  height: 340px;
  background: #2E1FFF;
  border-radius: 10px;
  padding: 10px 11px;
}
.s4 .cont-box .list .item .cover {
  width: 356px;
  height: 240px;
  border-radius: 10px;
  overflow: hidden;
  background-size: 100% 100%;
  background-repeat: no-repeat;
  display: flex;
  justify-content: center;
  align-items: center;
}
.s4 .cont-box .list .item .cover .tag {
  width: 169px;
  height: 52px;
  background: #FFFFFF;
  border-radius: 26px;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 20px;
  color: #333333;
}
.s4 .cont-box .list .item .cover .tag img {
  margin-right: 15px;
}
.s4 .cont-box .list .item .btn {
  margin: 18px auto;
  display: block;
  width: 264px;
  height: 50px;
  text-align: center;
  line-height: 50px;
  font-size: 20px;
  color: #D41D19;
  background: url(../imgs/btn-bg2.png) no-repeat;
  background-size: 100% 100%;
  animation: btn_ani infinite ease 0.8s alternate;
}
.s4 .cont-box .list .item .btn:hover {
  background-image: url(../imgs/btn-bg2-active.png);
}
.s5 {
  margin-top: 60px;
}
.s5 .cont-box {
  height: 307px;
}
.s5 .cont-box .list {
  width: 1166px;
  height: 270px;
  background: #2E1FFF;
  box-shadow: 0px 14px 62px 0px rgba(3, 63, 211, 0.75);
  border-radius: 10px;
  display: flex;
  justify-content: space-between;
  padding: 18px 11px;
}
.s5 .cont-box .list .item {
  width: 220px;
  height: 210px;
  background: linear-gradient(180deg, #1B2CDB, #3768E5);
  border-radius: 10px;
  text-align: center;
  padding-top: 36px;
}
.s5 .cont-box .list .item img.icon {
  width: 82px;
  height: 92px;
}
.s5 .cont-box .list .item .tit {
  margin-top: 19px;
  font-size: 18px;
  color: #FFFFFF;
  line-height: 18px;
}
.s5 .cont-box .list .item .btn {
  margin: 28px auto;
  display: block;
  width: 128px;
  height: 36px;
  background: linear-gradient(180deg, #FFFABD, #FFE87C);
  border: 2px solid #F8F5DF;
  border-radius: 18px;
  text-align: center;
  line-height: 36px;
  font-size: 16px;
  color: #D41D19;
  animation: btn_ani infinite ease 0.8s alternate;
}