body {
  background: url("../imgs/index/bg3.jpg") center 70px no-repeat;
  background-size: 100% auto;
  background-color: #badbff;
  position: relative;
}
body::before {
  content: "";
  width: 100%;
  height: 520px;
  background-image: url("../imgs/index/bottom2.png");
  background-repeat: no-repeat;
  background-size: contain;
  background-position: center bottom;
  position: absolute;
  bottom: 0;
  left: 0;
}
.wrap {
  position: relative;
}
.body_lock {
  width: 100%;
  height: 100%;
  overflow: hidden;
}
/* 头部  */
.aicc2024_topfr {
  width: 100%;
  overflow: hidden;
  position: sticky;
  left: 0px;
  top: 0px;
  z-index: 9999;
  height: 70px;
  background: linear-gradient(to right, #4d90e6 10%, #9983fe 90%);
}

.aicc2024_topfr_content {
  display: flex;
  justify-content: space-between;
  height: 100%;
  align-items: center;
}

.aicc2024_topfr_content .logo img {
  height: 70px;
}

.aicc2024_topfr_content ul {
  display: flex;
}

.aicc2024_topfr_content li a {
  margin: 0 18px;
  color: #ffffff;
  line-height: 50px;
  display: block;
  white-space: nowrap;
  border-bottom: 4px solid transparent;
}

.aicc2024_topfr_content li.active a,
.aicc2024_topfr_content li a:hover {
  border-bottom: 4px solid #fff;
}
.aicc2024_topfr_content li.last {
  display: inline-flex;
  align-items: center;
}
.aicc2024_topfr_content li .button {
  background: #fff;
  color: #8285f7;
  padding: 0 30px;
  line-height: 27px;
  border-radius: 17px;
  border-bottom: 0px solid transparent;
}

.aicc2024_topfr_content li.last.active a,
.aicc2024_topfr_content li.last a:hover {
  border-bottom: 0 solid transparent;
}
.aicc2024_topfr_content .mtmenu_click {
  display: none;
}

/* kv */
.aicc2024_banner {
  margin-bottom: 14vw;
  padding-top: 5%;
}

.aicc2024_banner_slogan {
  display: flex;
  align-items: center;
  justify-content: center;
}

.aicc2024_banner_intro {
  display: flex;
  justify-content: center;
  padding: 4% 0;
}

.aicc2024_banner_intro > div {
  display: inline-flex;
  align-items: center;
  padding: 0 1%;
}

.aicc2024_banner_intro span.text > i {
  color: #085bdb;
}

.aicc2024_banner_intro .icon {
  display: block;
  margin-right: 12px;
}

.aicc2024_banner_slogan_l {
  margin-right: 2vw;
  width: 12.8%;
}

.aicc2024_banner_slogan_r {
  width: 51vw;
}

.aicc2024_banner_slogan_l img,
.aicc2024_banner_slogan_r img {
  width: 100%;
}

.aicc2024_banner_button {
  display: flex;
  justify-content: center;
  margin-top: 9vw;
}

.aicc2024_banner_button .button {
  display: inline-block;
  height: 45px;
  line-height: 45px;
  color: #fff;
  border-radius: 6px;
  padding: 0 5%;
  margin: 0 0.7vw;
  background: linear-gradient(to bottom, #0049d7 10%, #0080f6 90%);
}
.aicc2024_banner_button .button:hover {
  opacity: 0.8;
}
.wrap.block_wrap {
  padding-bottom: 15vw;
}
.wrap .block {
  margin-bottom: 4.5vw;
}
.wrap .block:last-child {
  margin-bottom: 0;
}

.wrap .block .block_title {
  text-align: center;
  margin-bottom: 3vw;
}

.wrap .block3 .block_title {
  margin-bottom: 4vw;
}
.wrap .block .block_title img {
  width: 30%;
}
.block8 .block_content {
  position: relative;
}
.block8 .block8_swiper {
  overflow: hidden;
}
.block8 .news-card {
  display: block;
  background-color: #fff;
}
.block8 .news-card .news-img {
  width: 100%;
  overflow: hidden;
}
.block8 .news-card .news-img img {
  display: block;
  width: 100%;
  transition: all 0.4s ease-out;
}
.block8 .news-card .news-meta {
  padding: 4% 5%;
}
.block8 .news-card .news-meta .news-title {
  margin-bottom: 16px;
}
.block8 .news-card:hover .news-img img {
  transform: scale(1.05);
}

.iei_overlay {
  width: 100%;
  height: 100%;
  position: fixed;
  left: 0;
  top: 0;
  z-index: 80011;
  background-color: rgba(0, 0, 0, 0.5);
}
.iei_play_video_dialog {
  width: 60vw;
  height: 60vh;
  min-height: 400px;
  background-color: #fff;
  border-radius: 16px;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  padding: 0.2%;
}
.iei_play_video_dialog video {
  width: 100%;
  height: 100%;
  border-radius: 16px;
  overflow: hidden;
  object-fit: contain;
  background-color: #000;
}
.iei_play_video_dialog .iei_icon_close {
  position: absolute;
  /* right: -0.26rem;
  top: -0.26rem; */
  top: 20px;
  right: 20px;
  width: 30px;
  height: 30px;
  z-index: 100;
  background: url("data:image/svg+xml;utf8,%3Csvg%20xmlns%3D'http%3A%2F%2Fwww.w3.org%2F2000%2Fsvg'%20viewBox%3D'0%200%2030%2030'%3E%3Cg%20fill%3D'%23fff'%3E%3Cpath%20d%3D'M0%2C1L1%2C0L30%2C29L29%2C30z'%2F%3E%3Cpath%20d%3D'M29%2C0L29%2C0L30%2C1L1%2C30L0%2C29z'%2F%3E%3C%2Fg%3E%3C%2Fsvg%3E");
  background-size: cover;
  cursor: pointer;
}

@media screen and (max-width: 1680px) {
  .aicc2024_topfr_content li a {
    margin: 0 10px;
  }
  .aicc2024_topfr_content li .button {
    padding: 0 20px;
  }
}

@media screen and (max-width: 1080px) {
  .aicc2024_topfr_content li a {
    margin: 0 14px;
  }
  .aicc2024_topfr_content li .button {
    padding: 0 15px;
  }
  .aicc2024_topfr_content .mtmenu_click {
    float: left;
    margin-left: 20px;
    position: relative;
    z-index: 9991;
    margin-top: 0rem;
    display: block;
  }

  .aicc2024_topfr_content .mtmenu_click a {
    width: 20px;
    height: 60px;
    display: block;
    overflow: hidden;
    background: url("../imgs/menu_01_on.svg") center no-repeat;
    background-size: 100%;
  }
  .aicc2024_topfr_content .mtmenu_click a.on {
    background: url("../imgs/menu_02_on.svg") center no-repeat;
    background-size: 100%;
  }
  .aicc2024_topfr_content > ul.fan_menu {
    display: none;
    position: fixed;
    top: 60px;
    left: 0;
    width: 100%;
    flex-direction: column;
    white-space: nowrap;
    background: linear-gradient(to bottom, #4d90e6 10%, #9983fe 90%);
  }
  .aicc2024_topfr_content > ul.fan_menu li {
    display: block;
    width: 100%;
    border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  }
  .aicc2024_topfr_content > ul.fan_menu li a {
    margin: 0;
    padding: 0 20px;
  }
}
@media screen and (max-width: 768px) {
  .aicc2024_topfr_content li .button {
    display: none;
  }
  .iei_play_video_dialog {
    height: 6rem;
  }
  body {
    background: url("../imgs/index/bg3.jpg") center 60px no-repeat;
    background-size: 100% auto;
    background-color: #badbff;
  }
  .aicc2024_topfr {
    height: 60px;
  }
  .aicc2024_topfr_content .logo img {
    height: 70px;
  }
  .aicc2024_banner_slogan {
    /* flex-direction: column; */
    align-items: center;
    margin-bottom: 25vw;
    padding-top: 3%;
  }
  .aicc2024_banner_slogan_l {
    width: 20%;
    margin-right: 4vw;
  }
  .aicc2024_banner_slogan_r {
    width: 61vw;
  }
  .aicc2024_banner_intro {
    flex-direction: column;
  }
  .aicc2024_banner_button .button {
    padding: 0 6%;
    margin: 0 8px;
  }
  .aicc2024_banner_intro > div {
    margin-bottom: 3vw;
  }
  .wrap .block .block_title {
    width: 100%;
    margin-bottom: 5vw;
  }
  .wrap .block3 .block_title {
    margin-bottom: 13vw;
  }
  .wrap .block .block_title img {
    width: 70%;
  }

  .iei_play_video_dialog {
    width: 95vw;
    height: 400px;
    background-color: #fff;
    border-radius: 16px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    padding: 0.2%;
  }
}