* {
  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: #ffffff;
  /* 滑块的背景色 */

}

.inder_banner {
  width: 100%;
  height: 100vh;
  background-color: #333333;
  position: relative;
}

.inder_banner .mask {
  width: 100%;
  height: 100%;
  background-color: #00000050;
  position: absolute;
  top: 0;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 7.5%;
}

.inder_banner .mask .p1 {
  font-size: calc(8px + 2rem);
  font-weight: 700;
  color: #ffffff;
}

.inder_banner .mask .p2 {
  font-size: calc(2px + 1.5rem);
  font-weight: 700;
  color: #ffffff;
  margin-top: calc(5px + 0.5rem);
}

.inder_banner .mask .btn {
  display: flex;
  justify-content: flex-start;
  align-items: center;
  gap: calc(8px + 0.5rem);
  margin-top: calc(15px + 2rem);
}

.btn_more {
  width: calc(20px + 10rem);
  height: calc(20px + 2rem);
  border-radius: calc(7px + 0.5rem);
  background-color: #175cb1;
}

.btn_more a {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
  color: #ffffff;
  font-size: calc(8px + 0.5rem);
}

.inder_banner .sp {
  width: 100%;
  height: 100%;
}

.see_video {
  width: calc(100px + 5rem);
  height: calc(20px + 2rem);
  background-color: #111111;
  border-radius: calc(7px + 0.5rem);
  display: flex;
  justify-content: center;
  align-items: center;
  gap: calc(5px + 0.25rem);
  color: #ffffff;
  font-size: calc(8px + 0.5rem);
  cursor: pointer;
}
.see_video img{
  width: calc(5px + 1rem);
}

.index_1_box {
  width: 100%;
  padding: calc(10px + 4rem) 0;
}

.index_1 {
  max-width: 1620px;
  width: 90%;
  margin: auto;
}

.index_1_card {
  width: 100%;
  display: flex;
  justify-content: space-between;
  margin-top: calc(10px + 2rem);
}

.index_1_card_item {
  width: 13.5802%;
  height: calc(20px + 30rem);
  border-radius: calc(15px + 0.5rem);
  transition: .5s;
  position: relative;
}

.index_1_card_item_act {
  width: 40.7407%;
}


.index_1_card_item .index_1_card_item_pic {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(15px + 0.5rem);
}

.index_1_card_item .mask {
  width: 100%;
  height: 100%;
  background-color: #00000050;
  position: absolute;
  top: 0;
  border-radius: calc(15px + 0.5rem);
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
}

.index_1_card_item_title .p1 {
  font-size: calc(4px + 1rem);
  color: #ffffff;
  font-weight: 700;
  text-align: center;
}

.index_1_card_item .index_1_card_item_nav {
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  gap: calc(3px + 0.25rem);
  margin-top: calc(5px + 0.5rem);
  max-height: 0;
  overflow: hidden;
  transition: .3s;
}

.index_1_card_item_nav .p2 {
  font-size: calc(6px + 0.5rem);
  color: #ffffffb3;
  text-align: center;
}

.index_1_card_item_act .index_1_card_item_nav {
  max-height: calc(100px + 20rem);
}

.index_2_box {
  width: 100%;
}

.index_2 {
  max-width: 1620px;
  width: 90%;
  margin: auto;
}

.index_2_main {
  width: 100%;
  height: calc(35px + 30rem);
  border-radius: calc(5px + 1rem);
  background: url(../images/index_2.png) no-repeat;
  background-size: cover;
}

.index_2_main_text {
  width: 100%;
  height: 100%;
  border-radius: calc(5px + 1rem);
  background-color: rgba(0, 0, 0, 0.40);
  display: flex;
  flex-direction: column;
  justify-content: center;
  gap: calc(20px + 7rem);
}

.index_2_num {
  display: flex;
  justify-content: space-around;
}

.index_2_num_item {
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: calc(1px + 0.25rem);
}

.index_2_num_item .p1 {
  font-size: calc(8px + 2rem);
  color: #ffffff;
  font-weight: 600;
}

.index_2_num_item .p2 {
  font-size: calc(8px + 0.5rem);
  color: #ffffff;
  font-weight: 600;
}

.index_3_box {
  width: 100%;
  padding: calc(20px + 4rem) 0;
}

.index_3 {
  width: 100%;
}

.index_3_main {
  width: 100%;
  margin-top: calc(10px + 2rem);
}

.index_3_swiper {
  width: 100%;
}

.index_3_pic {
  width: 100%;
  height: calc(140px + 20rem);
  border-radius: calc(5px + 1rem);
  position: relative;
}


.index_3_pic img {
  width: 100%;
  height: 100%;
  border-radius: calc(5px + 1rem);
}

.index_3_pic .mask {
  width: 100%;
  height: 100%;
  border-radius: calc(5px + 1rem);
  background-color: #00000050;
}

.index_3_pic .mask .index_3_name {
  position: absolute;
  bottom: calc(5px + 3rem);
  left: calc(10px + 2rem);
}

.index_3_pic .mask .index_3_name img {
  width: calc(5px + 2rem);
}

.index_3_pic .mask .index_3_name p {
  font-size: calc(2px + 1.5rem);
  color: #ffffff;
  font-weight: 700;
  margin-top: calc(1px + 0.2rem);
}

.index_4_box {
  width: 100%;
  padding-bottom: calc(20px + 4rem);
}

.index_4 {
  max-width: 1600px;
  width: 90%;
  margin: auto;
}

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

.index_4_left {
  width: 48.5625%;
}

.index_4_pic {
  width: 100%;
  height: calc(119px + 20rem);
  border-radius: calc(5px + 1rem);
  position: relative;
  overflow: hidden;
}

.index_4_pic img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  border-radius: calc(5px + 1rem);
  transition: .5s;
}

.index_4_left_text {
  width: 100%;
  position: absolute;
  bottom: calc(5px + 2rem);
  padding: 0 calc(2px + 2rem);
}

.index_4_left_text .p1 {
  font-size: calc(4px + 0.5rem);
  color: #ffffff;
}

.index_4_left_text .p2 {
  font-size: calc(4px + 1rem);
  color: #ffffff;
  font-weight: 700;
  margin-top: calc(1px + 0.5rem);
}

.index_4_left_text .p3 {
  font-size: calc(6px + 0.5rem);
  color: #ffffff;
  line-height: 1.7;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  overflow: hidden;
  margin-top: calc(1px + 0.5rem);
}

.index_4_pic:hover img {
  transform: scale(1.1);
}

.index_4_right {
  width: 48.5625%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  gap: calc(15px + 1rem);
}

.index_4_right_item {
  border-bottom: 1px #c7c7c7 solid;
  padding-bottom: calc(15px + 0.5rem);
}

.index_4_right_item .p1 {
  font-size: calc(4px + 0.5rem);
  color: #333333;
}

.index_4_right_item .p2 {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.index_4_right_item .p2 p {
  font-size: calc(4px + 1rem);
  color: #333333;
  font-weight: 700;
  margin-top: calc(5px + 0.25rem);
  transition: .3s;
}

.index_4_right_item:nth-of-type(1) {
  display: none;
}

.index_4_right_item .p2 p:hover {
  color: #175cb1;
}

.news_more {
  margin-top: calc(8px + 2rem);
}

.news_more a {
  font-size: calc(2px + 1.5rem);
  color: #175cb1;
  font-weight: 700;
  text-align: center;
  display: flex;
  justify-content: center;
  align-items: center;
}

@media screen and (max-width: 1100px) {
  .inder_banner {
    height: calc(10px + 50rem);
  }

  .index_1_card {
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(10px + 1rem);
  }

  .index_1_card_item {
    width: 100%;
    height: calc(100px + 90rem);
  }

  .index_1_card_item_title .p1 {
    font-size: calc(16px + 1rem);
  }

  .index_1_card_item_nav .p2 {
    font-size: calc(12px + 1rem);
    line-height: 2;
  }

  .index_1_card_item .index_1_card_item_nav {
    max-height: calc(10px + 80rem);
  }

  .index_2_main {
    width: 100%;
    height: calc(35px + 118rem);

  }

  .index_2_num_item .p1 {
    font-size: calc(16px + 1rem);
  }

  .index_2_num_item .p2 {
    font-size: calc(10px + 1rem);
    text-align: center;
  }


  .index_3_pic {

    height: calc(110px + 2rem);

  }

  .index_3_pic .mask .index_3_name p {
    font-size: calc(12px + 1rem);
  }

  .index_4_main {
    flex-direction: column;
    justify-content: flex-start;
    gap: calc(10px + 1rem);
  }

  .index_4_left {
    width: 100%;
  }

  .index_4_pic {
    height: calc(119px + 30rem);
  }

  .index_4_left_text .p1 {
    font-size: calc(9px + 1rem);
  }

  .index_4_left_text .p2 {
    font-size: calc(12px + 1rem);
    line-height: 1.5;
  }

  .index_4_left_text .p3 {
    font-size: calc(10px + 1rem);
    line-height: 1.5;
  }

  .index_4_right {
    width: 100%;
  }

  .index_4_right_item .p1 {
    font-size: calc(9px + 1rem);
  }

  .index_4_right_item .p2 p {
    font-size: calc(12px + 1rem);
    line-height: 1.5;
  }

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

  .news_more svg {
    width: 30px;
  }

  .inder_banner .mask .p1{
    font-size: calc(16px + 1rem);
  }
  .inder_banner .mask .p2{
    font-size: calc(12px + 1rem);
  }
  .btn_more {
    width: calc(20px + 24rem);
    height: calc(26px + 2rem);
    
}
.btn_more a{
  font-size: calc(10px + 1rem);
}
.see_video {
  width: calc(20px + 22rem);
  height: calc(26px + 2rem);
  font-size: calc(10px + 1rem);
}
.see_video img{
  width: calc(12px + 1rem);
}
}