* {
  margin: 0;
  padding: 0;
}

html,
body {
  background: #ffffff !important;

}

/* 自定义整个滚动条 */
::-webkit-scrollbar {
  width: 2px;
  /* 设置滚动条的宽度 */
  background-color: #f9f9f9;
  /* 滚动条的背景色 */
}

/* 自定义滚动条轨道 */
::-webkit-scrollbar-track {
  background: #f9f9f9;
  /* 轨道的背景色 */
  /* 轨道的圆角 */
}

/* 自定义滚动条的滑块（thumb） */
::-webkit-scrollbar-thumb {
  background-color: #0069b8;
  /* 滑块的背景色 */

}



.index_banner_swiper {
  width: 100%;
}

.index_banner_img {
  width: 100%;
  height: calc(193px + 30rem);
}

.index_banner_img .index_banner_pic {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.index_1_box {
  width: 100%;
}

.index_1_list {
  width: 100%;
  display: flex;
  justify-content: space-between;
}

.index_1_item {
  width: 25%;
  height: calc(142px + 20rem);
  border-right: 1px #e2e2e2 solid;
  padding: calc(18px + 3rem) calc(20px + 3rem);
}

.index_1_item a {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.index_1_item .p1 {
  width: 100%;
  font-size: calc(8px + 0.5rem);
  font-weight: bold;
  color: #333333;
}

.index_1_item_pic {
  width: 100%;
  height: calc(80px + 5rem);
  overflow: hidden;
  margin-top: calc(10px + 1.5rem);
}

.index_1_item_pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transform: scale(1.2);
}

.index_1_item .p2 {
  width: 100%;
  font-size: calc(4px + 0.5rem);
  font-weight: normal;
  line-height: 2;
  color: #808080;
  margin-top: calc(10px + 2rem);

}

.index_1_item .more {
  width: calc(37px + 5rem);
  line-height: calc(0px + 1.5rem);
  border: solid 1px #0069b8;
  font-size: calc(4px + 0.5rem);
  color: #333333;
  text-align: center;
  margin-top: calc(4px + 2rem);

}

.index_2_box {
  width: 100%;
  padding: calc(15px + 4rem) 0;
  background: url(../images/about_bg.jpg) no-repeat;
  background-size: cover;
}

.index_2 {
  max-width: 1500px;
  width: 90%;
  margin: auto;
}

.index_2 .p4 {
  width: calc(100px + 50rem);
  font-size: calc(4px + 0.5rem);
  color: #333333;
  line-height: 2.57;
  text-align: center;
  margin: auto;
  margin-top: calc(10px + 1rem);
}

.vier_more {
  border-radius: 0.05rem;
  border: solid 1px #d2d2d2;
  width: calc(84px + 5rem);
  height: calc(5px + 2rem);
  margin: auto;
  margin-top: calc(20px + 1rem);
}

.vier_more a {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #0069b8;
  font-size: calc(4px + 0.5rem);
}

.index_2_list {
  display: flex;
  justify-content: center;
  gap: calc(10px + 5rem);
  margin-top: calc(20px + 2rem);
}

.index_2_item {
  width: calc(94px + 5rem);
  height: calc(46px + 5rem);
  border-radius: 0.5rem;
  border: solid 1px #d4d4d4;
}

.index_2_item a {
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: calc(5px + 0.25rem);
}

.index_2_item p {
  font-size: 1rem;
  color: #0069b8;
  text-align: center;
  font-weight: bold;
}

.index_3_box {
  width: 100%;

}

.index_3 {
  width: 100%;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.index_3_item {
  width: 14.8437%;
  height: calc(200px + 30rem);
  transition: .3s;
}

.index_3_item a {
  width: 100%;
  height: 100%;
  display: flex;
  position: relative;
}

.index_3_item_act {
  flex: 1;
}

.index_3_item .img1 {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.index_3_item_mask {
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  background-color: #00000060;
}

.index_3_intro {
  width: 0;
  height: calc(30px + 5rem);
  background-color: #ffffff;
  width: 0;
  overflow: hidden;
}


.index_3_item_act .index_3_item_mask {
  background-color: transparent;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  align-items: center;
  padding-bottom: calc(18px + 2rem);
}

.index_3_item_act .index_3_item_mask .index_3_intro {
  width: 75%;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-left: calc(10px + 2rem);
}

.index_3_intro .img2 {
  width: calc(10px + 4rem);
  height: calc(10px + 4rem);
  border-radius: 50%;
  border: 1px #0069b8 solid;
  display: flex;
  justify-content: center;
  align-items: center;
}

.index_3_intro .img2 img {
  width: 60%;
}

.index_3_text {
  width: 65%;
}

.index_3_text .p1 {
  font-size: calc(8px + 1rem);
  color: #000000;
  font-weight: bold;
}

.index_3_text .p2 {
  font-size: calc(4px + 0.5rem);
  color: #333333;
  line-height: 1.5;
}

.index_3_more {
  width: 16%;
  height: 100%;
  background-image: linear-gradient(0deg, #00499e 0%, #1387ca 100%);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: calc(10px + 0.5rem);
  font-size: calc(4px + 0.5rem);
  color: #ffffff;
  line-height: 1.5;
}

.index_4_box {
  width: 100%;
  padding: calc(15px + 4rem) 0;
}

.index_4 {
  max-width: 1740px;
  width: 90%;
  margin: auto;
}

.index_4_main {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: calc(10px + 2rem);
}

.index_4_list {
  width: 85%;

.index_4_swiper{
  width: 100%;
}

.index_4_item {
  padding: 0 calc(10px + 2rem);
}

.index_4_item .p1 {
  font-size: calc(4px + 0.5rem);
  font-weight: normal;
  color: #656565;
}

.index_4_item .p2 {
  font-size: calc(4px + 0.5rem);
  font-weight: normal;
  color: #656565;
  line-height: 1.5;
  margin-top: calc(5px + 0.5rem);
}

.index_4_item .index_4_pic {
  width: 100%;
  height: calc(100px + 5rem);
  margin-top: calc(10px + 1rem);
  overflow: hidden;
}

.index_4_item .index_4_pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: .5s;
}

.index_4_item .line {
  width: calc(10px + 1.5rem);
  height: calc(0px + 0.1rem);
  background-color: #0569dc;
  margin-top: calc(5px + 0.5rem);
}

.index_4_item .p3 {
  font-size: calc(4px + 0.5rem);
  font-weight: normal;
  color: #656565;
  line-height: 1.5;
  margin-top: calc(10px + 1rem);
}

.index_4_item .p4 {
  font-size: calc(4px + 0.5rem);
  font-weight: normal;
  color: #999999;
  line-height: 1.5;
  margin-top: calc(5px + 1rem);
}

.index_4_item:hover img {
  transform: scale(1.1);
}

.index_4_main .prev {
  width: calc(10px + 1.5rem);
  height: calc(10px + 1.5rem);
  border-radius: 50%;
  border: 1px #cfcfcf solid;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
}

.index_4_main .prev img {
  width: 70%;
}

.index_4_main .next {
  width: calc(10px + 1.5rem);
  height: calc(10px + 1.5rem);
  border-radius: 50%;
  border: 1px #cfcfcf solid;
  cursor: pointer;
  display: flex;
  justify-content: center;
  align-items: center;
}

.index_4_main .next img {
  width: 70%;
  transform: rotate(180deg);
}


@media screen and (max-width: 1100px) {
  .index_banner_img {
    height: calc(153px + 1rem);
  }

  .index_1_list {
    flex-wrap: wrap;
  }

  .index_1_item {
    width: 50%;
    height: auto;
    border-bottom: 1px #e2e2e2 solid;
  }

  .index_1_item .p1 {
    font-size: calc(12px + 1rem);
    line-height: 1.5;
  }

  .index_1_item .p2 {
    font-size: calc(10px + 1rem);
    line-height: 1.5;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
  }

  .index_1_item .more {
    width: calc(37px + 15rem);
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

  .index_2 .p4 {
    width: 100%;
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

  .vier_more {
    width: calc(90px + 5rem);
    height: calc(22px + 2rem);
  }

  .vier_more a {
    font-size: calc(10px + 1rem);
  }

  .index_2_list {
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 0;
    row-gap: calc(10px + 1rem);
  }

  .index_2_item {
    width: 48%;
    height: auto;
    padding: calc(10px + 1rem) 0;
  }

  .index_2_item img {
    width: 30%;
  }

  .index_2_item p {
    font-size: calc(12px + 1rem);
  }
  .index_4_list:nth-of-type(2){
    display: none;
  }
  .index_4_list:nth-of-type(3){
    display: block;
  }
  .index_4_main .prev{
    display: none;
  }
  .index_4_main .next{
    display: none;
  }
  .index_4_item .p1{
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }
  .index_4_item .p2{
    font-size: calc(12px + 1rem);
    line-height: 1.5;
  }
  
.index_4_item .line {
    width: calc(10px + 8.5rem);
   
}
.index_4_item .p3{
  font-size: calc(10px + 1rem);
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.index_4_item .p4{
  font-size: calc(10px + 1rem);
}
}