.about .classificationbanner {
    width: 100%;
    position: relative;
    min-height: 300px;
    text-align: center;
}
.companyImg.show{
  opacity: 0;
  transform: translateX(50px);
  animation: slideLeft 2s forwards;
}

@keyframes slideLeft {
  from {
    opacity: 0;
    /* 开始时透明 */
    transform: translateX(50px);
    /* 从下方进入 */
  }

  to {
    opacity: 1;
    /* 完全不透明 */
    transform: translateX(0);
    /* 到达最终位置 */
  }
}
.about .classificationbanner .banner_img {
  width: 100%; /* 或者指定固定宽度 */
  height: 607px; /* 根据需要指定高度 */
  background-size: cover; /* 让背景图覆盖整个盒子 */
  background-position: center; /* 背景图居中显示 */
  background-repeat: no-repeat; /* 不重复背景图 */
}

.about .classificationbanner .about_text {
    width: max-content;
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -50%);
    font-family: PingFang SC, PingFang SC;
    font-weight: 500;
    color: #FFFFFF;
    text-shadow: 0 0 15px rgba(0, 0, 0, 0.7);
}
.banner_txt.show{ 
  opacity: 0;
  transform: translateY(50px);
  animation: slideUp 3s forwards;
}
@keyframes slideUp {
  from {
    opacity: 0;
    transform: translateY(50px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}
.about .classificationbanner .banner_about{
  top:48%;
  font-size: 24px;
}
.banner_about.show{ 
  opacity: 0;
  transform: translateY(50px);
  animation: slideIn 3.5s forwards;
}
@keyframes slideIn {
  from {
    opacity: 0;
    transform: translateY(50px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.aboutprofile {
    min-height: 460px;
}
.profile_info {
  position: relative;
  overflow: hidden;
  padding: 53px;
}
.profile_info .introduction_conten, .profile_info h3{
  opacity: 0;
  transform: translateY(40px);
  transition: opacity 3.5s ease-out, transform 3.5s ease-out;
}

 .profile_info.show h3{
  opacity: 1;
  transform: translateY(0);
  transition-delay: 0;
}
.profile_info.show .introduction_conten{
  opacity: 1;
  transform: translateY(0);
  transition-delay: 1s;
}
.profile_info h3 {
    font-size: 30px;
    color: #333;
    margin-bottom: 54px;
}

 .profile_info p {
    font-size: 16px;
    color: #666;
    line-height: 40px;
}

.about .aboutprofile .gsjj {
    width: 100%;
}


/* 发展历程 */

.about-history {
    width: 100%;
    height: auto;
    margin: 0 auto;
    background-color: #eee;
}

.container {
    width: 100%;
    margin: 0 auto;
}

.container .section-title {
    font-size: 30px;
    font-weight: bold;
    padding: 50px 0;
    box-sizing: border-box;
}

.container .history-item .history-items, .history-item2  {
    border-top: 1px dashed #b3b3b3;
}

.container .history-item .history-title,.history-item2 .history-title {
    padding: 15px 0;
    display: flex;
    justify-content: space-between;
    cursor: pointer;
    box-sizing: border-box;
}

.container .history-item .history-items .history-title .title,.history-item2  .history-title .title {
    font-size: 2.75rem;
}

.container .history-item .history-title .details, .history-item2 .history-title .details {
    color: #6fa84a;
}

.history-detail {
    height: auto;
    display: none;
    transition: opacity 0.3s ease;
    /* 过渡显示隐藏时的透明度 */
}

.history-detail.open {
    display: block;
    /* 显示 */
    max-height: 300px;
    /* 设置一个适当的最大高度 */
}

.history-item .row {
    display: flex;
    justify-content: space-around;
    box-sizing: border-box;
}

.row .left-row {
    width: 66%;
    padding: 0 12px;
    box-sizing: border-box;
}

.row .left-row p {
    padding: 15px;
}

.row .row-right {
    width: 30%;
     height: 200px; /* 根据需要指定高度 */
    box-sizing: border-box;
    background-size: cover; /* 让背景图覆盖整个盒子 */
    background-position: center; /* 背景图居中显示 */
    background-repeat: no-repeat; /* 不重复背景图 */
    overflow: hidden;
    margin-bottom: 20px;
}

/* 发展历程2 */

a {
    text-decoration: none;
    color: inherit;
}

.about-history {
    width: 100%;
    height: auto;
    margin: 0 auto;
    background-color: #eee;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.container .section-title {
    font-size: 30px;
    font-weight: bold;
    padding: 50px 0;
    box-sizing: border-box;
    text-align: center;
}

.container .history-item .history-items {
    border-top: 1px dashed #b3b3b3;
}

.container .history-item .history-title {
    padding: 15px 0;
    display: flex;
    justify-content: space-between;
    cursor: pointer;
    box-sizing: border-box;
}

.container .history-item .history-items .history-title .title {
    font-size: 2.75rem;
}

.container .history-item .history-title .details {
    color: #6fa84a;
}

.history-detail {
    height: auto;
    display: none;
    transition: opacity 0.3s ease;
    /* 过渡显示隐藏时的透明度 */
}

.history-detail.open {
    display: block;
    /* 显示 */
    max-height: 300px;
    /* 设置一个适当的最大高度 */
}

.history-item .row {
    display: flex;
    flex-wrap: wrap;
    box-sizing: border-box;
}

.row .left-row {
    width: 66%;
    padding: 0 12px;
    box-sizing: border-box;
}

.row .left-row p {
    padding: 15px;
}



/* 人才招聘 */

.talentrecruitment {
    margin: 0 auto;
    float: none;
    text-align: center;
}

.talentrecruitment h1 {
    font-size: 30px;
    text-align: center;
}

.talentrecruitment .talentrecruittitle {
    height: 60px;
    line-height: 60px;
    border: 1px solid #D3D3D3;
    border-top: 2px solid #72AF39;
    margin-top: 24px;
}

.talentrecruitment .talentrecruittitle div {
    width: 25%;
    text-align: center;
    font-size: 20px;
    color: #333;
}

.talentrecruitment ul li {
    height: 74px;
    line-height: 74px;
    border: 1px solid #D3D3D3;
}

.talentrecruitment ul li div {
    width: 25%;
    text-align: center;
    font-size: 20px;
    color: #333;
}

.talentrecruitment ul div:nth-child(2n-1) li {
    background: #F4F6F8;
}

.talentrecruitment ul .postinfo {
    text-align: start;
    height: 0;
    overflow-y: hidden;
}


/* 员工风采 */

.staff {
    width: 100%;
    padding: 42px 0;
    background-color: #192436;
    margin: 50px auto 0;
}

.staff .staff_info {
    float: none;
}

.staff .staff_info h1 {
    max-width: 1200px;
    margin: 0 auto;
    font-size: 30px;
    color: #fff;
    text-align: center;
    margin-bottom: 30px;
}

.staff_info ul li {
    position: relative;
    width: 32%;
    overflow: hidden;
    cursor: pointer;
}

.staff_info ul li img {
    width: 100%;
    transition: .5s;
}

.staff .staff_info .staff_des {
    width: 100%;
    position: absolute;
    bottom: 0;
    left: 0;
    padding: 30px 23px;
}

.staff .staff_info .staff_des h3 {
    font-size: 20px;
    color: #FFFFFF;
    margin-bottom: 10px;
}

.staff .staff_info .staff_des .identifying {
    width: 48px;
    height: 0;
    background: #72AF39;
    border-radius: 0px 0px 0px 0px;
    margin-bottom: 10px;
}

.staff .staff_info .staff_des .des {
    font-size: 16px;
    color: #fff;
    line-height: 24px;
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
}

.staff_info ul li:hover img {
    opacity: .5;
    scale: 1.1;
    transition: scale 2s linear;
}

.staff_info ul li:hover .staff_des .identifying {
    height: 2px;
}

.staff_info ul li:hover .staff_des .des {
    overflow: hidden;
    text-overflow: ellipsis;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 8;
}

@media only screen and (min-width: 1300px) {
    .developmenthistory .development .courseinfo {
        height: 300px;
    }
    .developmenthistory .development .timeaxis {
        margin-top: 0;
    }
}

@media only screen and (min-width: 1600px) {
    .developmenthistory .development .courseinfo {
        height: 300px;
    }
    .developmenthistory .development .timeaxis {
        margin-top: 0;
    }
}

@media only screen and (min-width: 1700px) {
    .developmenthistory .development .courseinfo {
        height: 340px;
    }
    .developmenthistory .development .timeaxis {
        margin-top: 0;
    }
}