@charset "UTF-8";
.page-banner .container h1 {
  font-size: 35px;
}

.about-part1 {
  padding: 40px 0;
}

.about-part1 .container {
  flex-direction: column;
}

.about-part1 .container .part1-item .part1_content_item_title h2 {
  font-size: 30px;
  line-height: 1.2;
  font-weight: 600;
  padding: 24px 0;
}

.about-part1 .container .part1-item .part1_content_des p {
  padding-bottom: 16px;
  font-size: 16px;
}

.about-part1 .container .part1-item .part1_content_des img.width25 {
  width: calc(25% - 10px);
  box-sizing: border-box;
  background: #f9f9f9;
  border-radius: 20px;
  margin-left: 10px;
}

.about-part1 .container .part1-item .part1_content_des ul li {
  position: relative;
  padding-left: 30px;
}

.about-part1 .container .part1-item .part1_content_des ul li::before {
  font-family: "Font Awesome 5 Free";
  content: "\f00c";
  /* 这是 Font Awesome 中 check 图标的 Unicode */
  position: absolute;
  left: 0;
  top: 0;
  color: var(--color-c3);
  /* 图标颜色 */
  font-weight: 900;
}

.about-part2 {
  padding: 40px 0;
  background-color: var(--color-bg);
}

.about-part2 .container {
  flex-direction: column;
}

.about-part2 .container .title {
  padding: 20px 0;
}

.about-part2 .container .title h2 {
  font-size: 36px;
  text-align: center;
  font-weight: 600;
}

.about-part2 .container .title h2 span {
  color: var(--color-c2);
}

.about-part2 .container .des {
  display: flex;
  gap: 10px;
  padding-bottom: 10px;
}

.about-part2 .container .des .part2-item {
  box-sizing: border-box;
  flex: 1;
  padding: 15px;
  color: var(--color-primary);
  border: 1px solid var(--color-p1);
  box-shadow: 1px 1px 3px 0px rgba(0, 0, 0, 0.3);
}

.about-part2 .container .des .part2-item .part2_content_item_title h2 {
  text-align: center;
  font-size: 48px;
  color: #db6074;
  font-weight: 700;
}

.about-part2 .container .des .part2-item .part2_content_item_des {
  font-size: 16px;
  text-align: center;
}

.about-part3 {
  padding: 40px 0;
  background-color: var(--color-bg);
}

.about-part3 .container {
  flex-direction: column;
}

.about-part3 .container .title {
  padding: 20px 0;
}

.about-part3 .container .title h2 {
  font-size: 24px;
  text-align: center;
  font-weight: 600;
}

.about-part3 .container .title h2 span {
  color: var(--color-c2);
}

.about-part3 .container .title .des {
  flex: 1;
}

.about-part4 {
  background-color: #f5f5f5;
  padding: 40px 0;
}

.about-part4 .container .left {
  width: 70%;
  padding-right: 10px;
}

.about-part4 .container .left .title h2 {
  color: #000000;
  font-size: 36px;
  font-weight: 700;
  text-transform: uppercase;
  padding-bottom: 20px;
}

.about-part4 .container .left .des {
  padding-bottom: 20px;
}

.about-part4 .container .left .des p {
  color: #7a7a7a;
  padding-bottom: 1.5em;
  font-size: 15px;
}

.about-part4 .container .right {
  width: 30%;
}

.about-part5 {
  background-color: #f5f5f5;
  padding: 40px 0;
}

.about-part5 .container {
  flex-direction: column;
}

.about-part5 .container .part5-item {
  display: flex;
  padding-bottom: 20px;
  align-items: center;
}

.about-part5 .container .part5-item .part5_time_line_year {
  width: 100px;
  margin-right: 30px;
  border-radius: 50%;
  height: 100px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  color: #fff;
  background-color: var(--color-primary);
  position: relative;
}

.about-part5 .container .part5-item .part5_time_line_year h2 {
  z-index: 10;
  font-weight: 700;
  font-size: 24px;
}

.about-part5 .container .part5-item:not(:last-child) .part5_time_line_year::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background-color: var(--color-primary);
  z-index: 1;
}

.about-part5 .container .part5-item:not(:last-child) .part5_time_line_year::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translateX(-50%);
  width: 1px;
  height: 100%;
  background-color: var(--color-c3);
  z-index: 0;
}

.about-part5 .container .part5-item .part5_content {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.about-part5 .container .part5-item .part5_content .part5_time_line_title {
  font-size: 20px;
  padding-bottom: 0;
  font-weight: 600;
}

.about-part5 .container .part5-item .part5_content .part5_time_line_des {
  font-size: 14px;
}

.about-part5 .container img.width30 {
  width: calc(30% - 10px);
  box-sizing: border-box;
  background: #f9f9f9;
  border-radius: 20px;
  margin-left: 10px;
}

.about-part6 {
  background-color: #f7f7f7;
  padding: 40px 0;
}

.about-part6 .container .part6_image_gallery_item {
  flex: 1;
  padding: 10px;
}

.about-part7 {
  background-color: #f7f7f7;
  padding: 40px 0;
}

.about-part7 .title {
  padding-bottom: 40px;
}

.about-part7 .title h1 {
  color: #000000;
  font-family: "Montserrat", Sans-serif;
  font-size: 38px;
  font-weight: 700;
  position: relative;
  text-align: center;
  text-transform: uppercase;
}

.about-part7 .title h1::after {
  display: inline-block;
  left: 50%;
  transform: translateX(-50%);
  content: "";
  width: 100px;
  height: 5px;
  background-color: #c6232a;
  position: absolute;
  bottom: -10px;
}

.about-part7 .questions-toggle {
  display: flex;
  gap: 20px;
  flex: 1;
  flex-direction: column;
}

.about-part7 .questions-toggle .toggle-item {
  width: 100%;
  /* 每个grid item占据其所在列的全部宽度 */
  display: flex;
  flex-direction: column;
  padding: 20px;
  border: 1px solid #d5d8dc;
  /* 内容区域改为绝对定位，脱离文档流 */
}

.about-part7 .questions-toggle .toggle-item .tab-title {
  cursor: pointer;
  user-select: none;
  display: flex;
  gap: 10px;
  align-items: center;
  font-size: 20px;
  font-weight: 600;
}

.about-part7 .questions-toggle .toggle-item .tab-title .toggle-icon {
  display: flex;
  width: 30px;
  height: 30px;
  justify-content: center;
  align-items: center;
  background: #363636;
  color: #fff;
  font-size: 12px;
}

.about-part7 .questions-toggle .toggle-item .tab-title .toggle-title {
  color: #000;
}

.about-part7 .questions-toggle .toggle-item .tab-content {
  display: none;
  /* 默认隐藏内容 */
  overflow: hidden;
  /* 防止内容溢出 */
  transition: max-height 0.3s ease-out;
  /* 平滑过渡 */
  padding-left: 40px;
}

.about-part7 .questions-toggle .toggle-item .tab-content.active {
  max-height: 500px;
  /* 调整此值以适应最长内容 */
}

.about-part7 .questions-toggle .toggle-item .toggle-icon-opened {
  display: none;
}

.about-part7 .questions-toggle .toggle-item.open .tab-content {
  display: block;
  max-height: 500px;
  /* 根据实际需要调整最大高度 */
}

.about-part7 .questions-toggle .toggle-item.open .toggle-icon-opened {
  display: block;
}

.about-part7 .questions-toggle .toggle-item.open .toggle-icon-closed {
  display: none;
}

@media screen and (max-width: 1024px) {
  .about-part1,
  .about-part2,
  .about-part3,
  .about-part4,
  .about-part5,
  .about-part6,
  .about-part7 {
    padding-left: 10px;
    padding-right: 10px;
  }
  .page-banner .container {
    padding-left: 10px;
    padding-right: 10px;
  }
  .about-part2 .container .des {
    flex-wrap: wrap;
    flex-direction: row;
  }
  .about-part2 .container .des .part2-item {
    flex-basis: 49%;
  }
  .about-part4 .container {
    flex-direction: column;
  }
  .about-part4 .container .left, .about-part4 .container .right {
    flex: 1;
    width: 100%;
  }
  .about-part4 .container .left .title h2 {
    font-size: 30px;
  }
}

@media screen and (max-width: 768px) {
  .about-part1 h2,
  .about-part2 h2,
  .about-part3 h2,
  .about-part4 h2,
  .about-part5 h2,
  .about-part6 h2,
  .about-part7 h2 {
    font-size: 24px !important;
  }
  .about-part5 .container .part5-item:not(:last-child) .part5_time_line_year::after {
    height: 150%;
  }
}