.page {
  background-color: #f5f5f5;
  width: 100%;
  overflow-y: auto;
  overflow-x: hidden;
  height: 100%;
}
ul,
li {
  list-style: none;
}
.section_1 {
  /* background-image: url("https://ide.code.fun/api/image?token=67872a2b797f850011f65801&name=02643d44a7df96912244da2e296216cd.png"); */
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-color: #ffffff;
  height: 100vh;
  position: relative;
}
.section_1::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  /* background: rgba(0, 91, 172, 0.25); */
}

.section_1_slogan_box {
  position: absolute;
  bottom: 20%;
  left: 0;
  z-index: 2;
}
.section_1_name_box {
  width: 180px;
  height: 64px;
  flex-shrink: 0;
  background: #acce22;
}
.section_1_name {
  color: #fff;
  font-size: 40px;
  font-style: normal;
  font-weight: 500;
  line-height: 24px; /* 60% */
}
.section_1_slogan {
  color: #fff;
  text-shadow: 0px 4px 4px rgba(0, 0, 0, 0.1);
  font-size: 50px;
  font-style: normal;
  font-weight: 700;
  line-height: normal;
}
.section_2 {
  background-repeat: no-repeat;
  background-color: #ffffff;
  height: 980px;
  position: relative;
}
.about_us {
  font-size: 108px;
  line-height: 92.5px;
  font-weight: 700;
  color: #005bac0d;
  white-space: nowrap;
}
.know-more {
  border-radius: 100px;
  background: var(--primary-color);
  width: 180px;
  height: 64px;
  line-height: 64px;
  flex-shrink: 0;
  color: #fff;
  text-align: center;
  font-size: 16px;
  cursor: pointer;
}
.know-more:hover {
  background-color: #fff;
  border:1px solid var(--primary-color);
}
.introduction_bg_1 {
  width: 444px;
  height: 495px;
  position: absolute;
  right: 0;
  bottom: 0;
}

.introduction_bg_2 {
  width: 265px;
  height: 397px;
  position: absolute;
  right: 0;
  top: 0;
}
.introduction_bg_3 {
  width: 264px;
  height: 264px;
  position: absolute;
  left: 60px;
  top: 100px;
}
.product_center {
  background-color: #ffffff;
  height: 100vh;
  background-repeat: no-repeat;
  background-size: 100% 100%;
}

.product-item {
  border-radius: 100px;
  width: 100px;
  height: 40px;
  border: 1px solid var(--primary-color);
  font-size: 20px;
  line-height: 19.5px;
  color: var(--primary-color);
  margin-right: 20px;
}

.jianfu_news {
  background-color: #fff;
  height: 856px;
}

.join_us {
  /* background-image: url("https://ide.code.fun/api/image?token=67872a2b797f850011f65801&name=b28beb3c0f2a90cf2d78d1f0b10f578f.png"); */
  background-size: 100% 100%;
  background-repeat: no-repeat;
  background-color: #ffffff;
  height: 460px;
  position: relative;
}
.join_us::after {
  content: "";
  display: block;
  width: 100%;
  height: 100%;
  position: absolute;
  top: 0;
  background: rgba(0, 91, 172, 0.25);
}
.line-three-ellipsis {
  width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 3;
}
.product-img-box img {
  height: 360px;
  width: auto;
}
.news-item {
  flex: 1;
  background-color: #fff;
  height: 100%;
  padding: 30px;
  box-sizing: border-box;
  border: 1px solid #d9d9d9;
  color: #333;
}