body {
  background-size: 1920px 697px;
  background-image: url(../images/banner/home.png);
}
/* Banner 区域 (关于我们) */
.banner-section {
  position: relative;
  width: 100%;
  height: 567px;
  /* 增加高度 */
  overflow: hidden;
}
.banner-slider {
  width: 100%;
  height: 100%;
  position: relative;
  background-size: cover;
  background-position: left -130px;
}
.banner-item {
  width: 100%;
  height: 100%;
  display: flex;
  justify-content: center;
  align-items: center;
}
.banner-item.active {
  opacity: 1;
  z-index: 10;
}
.banner-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  position: absolute;
  z-index: 1;
}
.banner-content-wrapper {
  position: relative;
  z-index: 2;
  width: 100%;
  max-width: 1550px;
  height: 100%;
  display: flex;
  align-items: center;
  padding: 0 15px;
}
.banner-text-box {
  width: 870px;
  color: #fff;
  border-radius: 4px;
  margin-left: 0;
  display: flex;
  flex-direction: column;
  gap: 21px;
  justify-content: center;
  height: 400px;
}
.banner-text-box .top-title {
  margin-bottom: 25px;
  padding-bottom: 15px;
  display: inline-block;
  font-weight: bold;
  font-size: 43px;
  color: #EA5420;
}
.banner-text-box p {
  font-size: 21px;
  line-height: 30px;
  text-align: justify;
}
.banner-btn {
  display: inline-block;
  font-size: 14px;
  color: #fff;
  font-weight: bold;
  transition: all 0.3s;
}
.banner-btn:hover {
  text-decoration: underline;
  opacity: 0.9;
}
/* 喷墨技术全宽 Banner */
.tech-banner {
  width: 100%;
  height: 328px;
  position: relative;
  overflow: hidden;
}
.tech-banner .single-img-swiper,
.tech-banner .swiper-wrapper,
.tech-banner .swiper-slide {
  width: 100%;
  height: 100%;
}
.tech-banner .swiper-slide img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.tech-banner + .spacer-bar {
  display: none;
}
/* 核心业务/产品展示 - 修改为三列卡片 */
.services-section {
  background: #f9f9f9;
}
.services-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.service-card {
  flex: 1;
  background: #fff;
  border-radius: 0;
  /* 直角 */
  overflow: hidden;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
  transition: transform 0.3s, box-shadow 0.3s;
  text-align: left;
  /* 左对齐 */
  padding-bottom: 0;
  position: relative;
  height: 300px;
  /* 固定高度 */
}
.service-card img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s;
}
.service-card:hover img {
  transform: scale(1.05);
}
.service-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  background: rgba(0, 0, 0, 0.6);
  padding: 15px;
  color: #fff;
}
.service-overlay h3 {
  font-size: 18px;
  margin-bottom: 5px;
  color: #fff;
}
.service-overlay p {
  font-size: 12px;
  color: #ddd;
  padding: 0;
}
/* 合作伙伴 - 调整样式 */
.partners-section {
  padding: 40px 0;
  background: #fff;
}
.partners-section .section-title {
  text-align: center;
  font-weight: bold;
  font-size: 30px;
  color: #333333;
}
.partners-section .section-title {
  text-align: center;
  font-weight: bold;
  font-size: 30px;
  color: #333333;
}
.partners-grid {
  gap: 30px;
  display: flex;
  justify-content: space-between;
}
.partners-swiper {
  width: 100%;
  overflow: hidden;
}
.partners-swiper .swiper-slide {
  height: auto;
  display: flex;
  justify-content: center;
  align-items: center;
}
.partners-swiper .swiper-pagination.partners-pagination,
.news-swiper .swiper-pagination.news-pagination {
  display: flex;
  justify-content: center;
  align-items: center;
  gap: 8px;
  margin-top: 20px;
  position: static !important;
  inset: auto !important;
  width: auto !important;
}
.partners-swiper .swiper-pagination.partners-pagination .swiper-pagination-bullet,
.news-swiper .swiper-pagination.news-pagination .swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background: #E8E8E8;
  border-radius: 4px;
  opacity: 1;
  transition: width 0.2s ease, background-color 0.2s ease;
}
.partners-swiper .swiper-pagination.partners-pagination .swiper-pagination-bullet-active,
.news-swiper .swiper-pagination.news-pagination .swiper-pagination-bullet-active {
  width: 26px;
  height: 8px;
  background: #D3D3D3;
  border-radius: 4px;
}
.partner-logo {
  width: 331px;
  height: 57px;
  filter: none;
  /* 取消灰度，按设计图来 */
  opacity: 1;
}
/* 公司新闻 */
.news-section {
  padding: 40px 0;
  background: #fff;
}
.news-section .section-title {
  text-align: center;
  font-weight: bold;
  font-size: 30px;
  color: #333333;
}
.news-grid {
  display: flex;
  justify-content: space-between;
  gap: 20px;
}
.news-card {
  flex: 1;
  background: #fff;
  border-radius: 4px;
  overflow: hidden;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  transition: all 0.3s;
}
.news-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}
.news-card img {
  width: 100%;
  height: 180px;
  object-fit: cover;
}
.news-content {
  padding: 15px;
}
.news-content h3 {
  font-size: 16px;
  font-weight: bold;
  margin-bottom: 10px;
  color: #333;
  line-height: 1.4;
  height: 44px;
  /* 两行高度 */
  overflow: hidden;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
}
.news-meta {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-size: 12px;
  color: #999;
  margin-top: 10px;
}
.news-link {
  color: #eb551d;
  /* 橙色 */
  text-decoration: none;
}