html {
  scroll-behavior: smooth;
}

.banner_container {
  position: relative;
  width: 100%;
  height: 700px;
  overflow: hidden;
  margin-bottom: 50px;
  overflow: hidden;
}

/* 背景图 */
.background {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('banner.png');
  background-size: 100% 100%;
  background-position: center bottom;
  z-index: 1;
}

.banner_title {
  position: absolute;
  font-size: 50px;
  color: #fff;
  font-weight: bold;
  width: 83.3%;
  bottom: 70px;
  z-index: 20;
  left: 8%;
}

.ty_more {
  border-radius: 50px;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 180px;
  height: 50px;
  border: 2px solid #fff;
  padding: 0 8px 0 31px;
  color: #fff;
  font-size: 16px;
  position: relative;
  z-index: 1;
  transition: 0.4s all;
  margin-top: 30px;
}

.ty_more span {
  width: 30px;
  height: 30px;
  border-radius: 50px;
  background-color: transparent;
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 4;
}

.ty_more p {
  z-index: 4;
}

.ty_more img {
  transition: 0.5s all;
}


.ty_more::before {
  content: '';
  display: block;
  position: absolute;
  top: 0;
  left: 0;
  height: 100%;
  width: 0;
  transition: 0.3s all;
  border-radius: 50px;
}


/* 导航 */
.breadcrumb {
  max-width: 100%;
  max-height: 70px;
  display: flex;
  align-items: center;
  position: relative;
  font-size: 18px;
  color: #555555;
}

.breadcrumb img {
  margin-top: 4px;
}

.select_down {
  margin-left: 9px;
  transition: all 0.3s ease;
}
.select{
  position: relative;
}
.breadcrumb .other_col{
  position: absolute;
  left: 0;
  top: 30px;
  z-index: 999;
  border-radius: 20px;
  background-color: #fff;
  padding: 0;
  box-shadow: 0 10px 60px 0 rgba(112,112,112,0.1);
  width: 300px;
  height: 0;
  transition: all 0.3s ease;
  overflow: hidden;
}
.select.active .other_col{
 height: auto;
  padding: 20px;
}
.breadcrumb .other_col li{
  line-height: 40px;
  font-size: 18px;
}
.Con {
  margin: 52px auto 150px auto;
  width: 83.3%;
}

.list {
  width: 1400px;
  margin: 0 auto;
}

.list_title {
  margin: 53px 0 92px 0;
  display: flex;
  align-items: center;
}

.list_title li {
  font-size: 18px;
  line-height: 44px;
  color: #004098;
  padding: 0 24px;
  text-align: center;
  margin-right: 20px;
  background-color: #F2F5FA;
  border-radius: 25px 25px;
}

.list_title li.active {
  background-color: #004098;
  color: #fff;
}

.content {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
}

.content>div {
  width: 48.57%;
}

.list_item {
  position: relative;
  display: flex;
  margin-bottom: 168px;
}

.list_item .bg {
  background: linear-gradient(to bottom, #ECF0F7 0%, #fff 100%);
  border-radius: 20px 20px 0 0;
  width: 100%;
  height: 277px;
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: -1;
}

.list_item .avatr {
  width: 276px;
  height: 371px;
  margin: 0 69px 0 24px;
}

.list_item .right {
  padding-top: 132px;
  z-index: 100;
}

.list_item .title {
  font-size: 30px;
  line-height: 70px;
  color: #111;
  font-weight: 600;
}

.list_item .text {
  font-size: 20px;
  line-height: 30px;
  color: #333;
  margin-bottom: 21px;
      max-height: 60px;
    overflow: hidden;
    overflow-y: auto;
}

/* 展开状态的详情文本 */
.list_item.expanded .CON-TEXT {
  max-height: 256px;
  /* 足够容纳文本的高度 */
}

.CON-TEXT {
  width: 274px;
  max-height: 0;
  position: absolute;
  top: 260px;
  left: 369px;
  overflow: hidden;
  overflow-y: auto;
  font-size: 16px;
  line-height: 30px;
  color: #333;
  z-index: 999;
  transition: max-height 0.3s ease;
}

.CON-TEXT::-webkit-scrollbar {
  width: 2px;
}

.CON-TEXT::-webkit-scrollbar-track {
  background: #D9D9D9;
  border-radius: 2px;
}

/* 滚动条滑块（拖动部分） */
.CON-TEXT::-webkit-scrollbar-thumb {
  background: #004098;
  border-radius: 3px;
  transition: background 0.2s ease;
}

/* 滚动条滑块 hover 状态 */
.CON-TEXT::-webkit-scrollbar-thumb:hover {
  background: #004098;
  cursor: pointer;
}

/* ========== Firefox 浏览器自定义滚动条（简易配置） ========== */
.CON-TEXT {
  scrollbar-width: thin;
  scrollbar-color: #004098 #D9D9D9;
}