.title {
  margin-left: 74px;
  height: 42px;
}

.line_div {
  width: 60px;
  height: 3px;
  background-color: #646464;
  margin-bottom: 14px;
}

.title_text {
  line-height: 1;
}

.chinese {
  font-weight: normal;
  line-height: 1;
  color: #646464;
  font-size: 25px;
  margin-right: 20px;
}

.english {
  line-height: 1;
  font-weight: normal;
  color: #c2cac8;
  font-size: 25px;
}

/* 视频 */
.picture_one {
  width: 100%;
  height: 900px;
  /* backdrop-filter: blur(3px); */
  background-color: rgba(0, 0, 0, 0.6);
  position: absolute;
  top: 0;
  left: 0;
  z-index: 888;
  display: flex;
  align-items: center;
  justify-content: center;
}


/* 主容器 */
.video-container {
  position: relative;
  width: 100%;
  min-width: 1100px;
  height: 900px;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 视频包装器 */
.video-wrapper {
  position: absolute;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  opacity: 0;
  transition: opacity 1s ease-in-out;
}

.video-wrapper.active {
  opacity: 1;
}

/* 视频样式 */
video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 人物 */

.picture_tow {
  width: 100%;
  height: 699px;
  background-image: url('../img/背景2.png');
  background-size: 100% 100%;
  background-repeat: no-repeat;
}

.picture_tow .picture_tow_cont {
  padding-top: 106px;
  width: 100%;
  box-sizing: border-box;
  display: flex;
  flex-direction: column;
  /* align-items: center; */
  justify-content: space-between;

}

/* 人物轮播 */
.carousel-container_character {

  width: 100%;
  max-width: 1600px;
  min-width: 1100px;
  position: relative;
  overflow: hidden;
}

.carousel-wrapper_character {
  white-space: nowrap;
  transition: transform 0.5s ease-in-out;
}

.character {
  display: inline-block;
}

.character:last-child {
  margin-right: 0;
}

/* 人物信息 */
.character_div {
  height: 66px;
  margin: 123px 0 39px 38px;
  display: flex;
  flex-direction: column;
}

.character_name {
  display: flex;
  align-items: end;
}

.start {
  width: 22px;
  height: 17px;
  margin-right: 10px;
}

.personal_name {
  font-size: 35px;
  line-height: 1;
  color: #309f7c;
  margin-right: 10px;


  position: relative;
  /* top: -13px;  */
}

.jiaoshou {
  font-size: 22px;
  line-height: 1;
  font-weight: 600;
  color: #309f7c;
  margin-right: 10px;
}

.position {
  line-height: 1;
  margin-left: 35px;
  margin-top: 10px;
  color: #309f7c;
  font-siZe: 20px;
}

/* 人物背景 */
.green_back {
  width: 100%;
  height: 208px;
  background: #05a07c;
  display: flex;
  flex-direction: column;
  box-sizing: border-box;
  padding: 14px 14px;
  border-radius: 10px;
}

/* 人物简介 */
.p_one {
  position: relative;
  z-index: 555;
  margin-bottom: 10px;
}

.p_one p {
  color: #fff;
  font-size: 14px;
  line-height: 22px;
}

/* 人像 */
.character_img {
  width: 329px;
  height: auto;
  position: absolute;
  bottom: 16px;
  right: 0;
  border-radius: 0 0 10px 0;
}

/* 证书轮播 */
.picture_three {
  width: 100%;
  height: 750px;
  background-image: url('../img/背景3.png');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;
}

.picture_three_cont {
  padding-top: 108px;
}

.certificate_div {
  width: 100%;
  margin-top: 75px;
  position: relative;
}

.out {
  width: 1600px;
  min-width: 1200px;
  height: 525px;
  position: relative;
  margin: 0 auto;
  /* top: 100px; */
}

.out .inner {
  width: 100%;
  height: 479px;
  display: flex;
  justify-content: space-between;
  align-items: end;
}

.out .inner>div {
  width: 231px;
  height: 307px;
  /* margin-right: 20px; */
  position: absolute;
  transition: 0.3s;
}

.out .inner>div img {
  width: 100%;
  height: 100%;
}

.out .item1 {
  transform: translateX(0);
  z-index: 9;
  opacity: 1;
}

.out .item2 {
  transform: translateX(248px) scale(1.56);
  transform-origin: bottom left;
  z-index: 1;
}

.out .item3 {
  transform: translateX(625px);
  z-index: 1;
}

.out .item4 {
  transform: translateX(873px);
  z-index: 99;
  opacity: 1;
}

.out .item5 {
  transform: translateX(1121px);
  z-index: 9;
  opacity: 1;
}

.out .item6 {
  transform: translateX(1369px);
  z-index: 1;
  opacity: 1;
}

.out .item0 {
  transform: translateX(2000px);
  z-index: 1;
  opacity: 0;
}

.student_info {
  width: 310px;
  position: absolute;
  top: 0;
  left: 720px;
  display: none;
  justify-content: space-between;
}
.student_info.active{
  display: flex;
}
.student_info .info-img{
  position: relative;
  text-align: center;
  height: 66px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: rgba(204, 179, 143, 0.8);
  font-weight: bold;
}
.student_info .info-img::after{
  position: absolute;
  content: "";
  width: 29px;
  height: 66px;
  background: url("../img/icon-l.png") no-repeat;
  left: -29px;
  top: 50%;
  margin-top: -33px;
}
.student_info .info-img::before{
  position: absolute;
  content: "";
  width: 29px;
  height: 66px;
  background: url("../img/icon-r.png") no-repeat;
  right: -29px;
  top: 50%;
  margin-top: -33px;
}
.student_info img {
  width: 117px;
  height: 66px;
  margin-right: 36px;
}

.info {
  width: 157px;

}

.info p {
  font-size: 15px;
  color: #e2d3b8;
  line-height: 24px;
  margin: 0;

}

.info span {
  font-size: 20px;
  color: #e2d3b8;
  line-height: 1;
}

/* 合作院校 */
.picture_four {
  width: 100%;
  height: 750px;
  background-image: url('../img/背景4.png');
  background-size: cover;
  background-repeat: no-repeat;
  background-position: center center;

}

.picture_four_cont {
  padding-top: 108px;

}

.partners_num {
  font-size: 15px;
  line-height: 1;
  margin: 73px 0 0 73px;
}

@media screen and (max-width: 1316px) {

  /* 主容器 */
  .video-container,
  .picture_one {
    height: 760px;
  }

  /* 人物 */
  .picture_tow {
    height: 698px;
  }

  .character {
    width: 522.5px;
    margin-right: 52.25px;
    position: relative;
  }

  /* 人物背景 */
  .green_back {
    height: 208px;
    padding: 14px 14px;

  }

  /* 人像 */
  .character_img {
    width: 242px;
  }
}

@media screen and (min-width: 1920px) {
  .character {
    width: 760px;
    margin-right: 76px;
    position: relative;
  }

  /* 人物背景 */
  .green_back {
    height: 251px;
    padding: 20px 40px;

  }
}

@media screen and (min-width: 1316px) and (max-width: 1920px) {
  /* 人物 */

  .character {
    width: 39.58vw;
    margin-right: 3.958vw;
    position: relative;
  }

  /* 人物背景 */
  .green_back {
    padding: 1vw 2vw;

  }

  /* 人像 */
  .character_img {
    width: 17.13vw;
    min-width: 242px;
  }
}