/* 头部样式 */
/* .return-btn {
  display: flex;
  align-items: center;
  font-size: 14px;
  color: #808080;
}

.return-icon {
  width: 22px;
  height: 20px;
  margin-right: 8px;
} */

/* 横幅区域 */
.banner-swiper {
  position: relative;
  width: 100%;
  height: 750px;
}
.banner-swiper .swiper-slide {
  position: relative;
  text-align: center;
}
.banner-swiper img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.banner-text {
  position: absolute;
  top: 0;
  left: calc(50% - 650px);
  width: 1300px;
  height: 750px;
}

.banner-text h2 {
  position: absolute;
  top: 267px;
  left: 20px;
  font-size: 56px;
  font-weight: 400;
  color: #034c83;
}

/* 标题区域 */
.section-title {
  padding: 60px 0;
  text-align: center;
}

.section-title h2 {
  margin-bottom: 16px;
  font-size: 48px;
  font-weight: 400;
  color: #0d152e;
}

.section-title p {
  max-width: 582px;
  margin: 0 auto;
  font-size: 20px;
  color: #81838c;
  line-height: 34px;
}

/* 内容区域通用样式 */
.section-content {
  display: flex;
  padding: 40px 20px;
  margin-bottom: 40px;
  transition: transform 0.8s ease, box-shadow 0.8s ease, border-radius 0.8s ease;
  cursor: pointer;
}

.section-content:hover {
  border-radius: 20px;
  box-shadow: 0 2px 12px 2px rgba(42, 130, 228, 0.12);
  transform: scale(1.02);
}

.section-content .text {
  display: flex;
  flex-direction: column;
}

.section-content .text h3 {
  width: 100%;
  margin: 20px 0;
  font-size: 36px;
  font-weight: 700;
  color: #383838;
}

.section-content .text p {
  margin-bottom: 20px;
  line-height: 36px;
  font-size: 24px;
  color: #383838;
}

.section-content .image {
  width: 542px;
  height: 650px;
}

/* 焊接数据区域 */
.welding-text {
  flex: 1;
  padding-right: 90px;
}

/* 焊接人工智能区域 */
.ai-text {
  flex: 1;
  padding-left: 90px;
}

/* 服务案例区域 */
.case-text {
  flex: 1;
  padding-right: 90px;
}