.baichen-service {
  padding: 80px 0 0;
  background: #fff;
}

.baichen-service .service-title {
  text-align: center;
  margin-bottom: 50px;
}

.baichen-service .service-title h2 {
  color: #000;
  font-size: 36px;
  font-weight: 700;
  line-height: 1;
  text-transform: uppercase;
}

.baichen-service .service-slider {
  position: relative;
  /* padding: 0 50px; */
}

.baichen-service .service-item {
  position: relative;
  overflow: hidden;
  /* border-radius: 8px; */
  /* box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08); */
  transition: all 0.3s ease;
}

.baichen-service .service-item:hover {
  /* transform: translateY(-10px); */
}

.baichen-service .service-image {
  position: relative;
  overflow: hidden;
  aspect-ratio: 475 / 800;
}

.baichen-service .service-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: all 0.5s ease;
}

.baichen-service .service-overlay {
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: auto;
  padding: 20px 20px 30px 20px;
  display: flex;
  justify-content: flex-end;
  flex-direction: column;
  transition: all 0.4s ease;
  pointer-events: none;
}

/* Hover状态：扩展到全高度并居中内容 */
.baichen-service .service-item:hover .service-overlay {
  height: 100%;
  top: 0;
  bottom: 0;
  justify-content: center;
  align-items: flex-start;
  padding: 40px 20px;
}

.baichen-service .service-overlay h3 {
  color: #fff;
  z-index: 100;
  position: relative;
  margin: 0 0 5px 0;
  font-size: 22px;
  font-weight: 500;
  transform: translateY(0);
  transition: all 0.4s ease;
  pointer-events: auto;
  line-height: 1.2;
}

/* Hover状态：标题移动到上方 */
.baichen-service .service-item:hover .service-overlay h3 {
  transform: translateY(0);
  margin-bottom: 20px;
}

/* 默认状态：底部渐变蒙层确保文字可读性 */
.baichen-service .service-overlay::before {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 120px;
  background: linear-gradient(to top, rgba(0,0,0,0.7), rgba(0,0,0,0));
  z-index: 1;
  transition: all 0.4s ease;
}

/* 移动蒙层：从底部向上滑动的完整蒙层 */
.baichen-service .service-overlay-mask {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0,0,0,0.8);
  transform: translateY(100%);
  transition: transform 0.5s ease;
  z-index: 2;
}

/* Hover状态：蒙层从下往上滑入完全覆盖 */
.baichen-service .service-item:hover .service-overlay-mask {
  transform: translateY(0);
}

/* Hover状态：隐藏默认渐变蒙层 */
.baichen-service .service-item:hover .service-overlay::before {
  opacity: 0;
}

.baichen-service .service-content {
  color: #fff;
  transform: translateY(20px);
  opacity: 0;
  transition: all 0.4s ease 0.2s;
  z-index: 100;
  position: relative;
  pointer-events: none;
  text-align: left;
  display: none;
}

.baichen-service .service-item:hover .service-content {
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
  display: block;
}

.baichen-service .service-content p {
  font-size: 16px;
  line-height: 1.4;
  margin: 0 0 15px 0;
  opacity: 0.9;
   display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 6;
            overflow: hidden;
            text-overflow: ellipsis;
}

.baichen-service .service-btn {
  display: inline-block;
  padding: 8px 24px;
  background: var(--color-primary);
  color: #fff;
  border-radius: var(--button-radius);
  text-decoration: none;
  transition: all 0.3s ease;
  font-size: 14px;
  /* margin-top: 10px; */
  border: 1px solid var(--color-primary);
}

.baichen-service .service-btn:hover {
 background: none;
	color:var(--color-primary) ;
border: 1px solid var(--color-primary);
}

.baichen-service .service-info {
  padding: 20px;
  text-align: center;
  background: #fff;
}

.baichen-service .service-info h3 {
  font-size: 20px;
  font-weight: 600;
  color: var(--title-text-color);
  margin: 0;
}

/* Swiper Navigation */
.baichen-service .swiper-button-prev,
.baichen-service .swiper-button-next {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.53);
  border: 1px solid #fff;
  opacity: 0;
  border-radius: 50%;
  color: #fff;
}

.baichen-service .swiper:hover .swiper-button-prev,
.baichen-service .swiper:hover .swiper-button-next {
  opacity: 1;
  display: none;
}

.baichen-service .swiper-button-next:hover,
.baichen-service .swiper-button-prev:hover {
  background: var(--color-primary);
  border: 1px solid var(--color-primary);
}

.baichen-service .swiper-button-prev:after,
.baichen-service .swiper-button-next:after {
  display: none;
}

.baichen-service .swiper-button-prev i,
.baichen-service .swiper-button-next i {
  font-size: 20px;
}

.baichen-service .swiper-pagination {
  position: relative;
  margin-top: 30px;
}

.baichen-service .swiper-pagination-bullet {
  width: 10px;
  height: 10px;
  background: #ddd;
  opacity: 1;
}

.baichen-service .swiper-pagination-bullet-active {
  background: var(--color-primary);
}

@media (max-width: 1280px) {
 
  .baichen-service .service-title h2 {
  color: #000;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
}
}


/* Responsive */
@media (max-width: 991px) {
  .baichen-service {
    padding: 40px 0 0px;
  }
  .baichen-service .service-title h2 {
  color: #000;
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
 }
 .baichen-service .service-content p {
  font-size: 14px;
  
  }
}

@media (max-width: 767px) {

  .baichen-service .service-slider {
    padding: 0 30px;
  }
  
  .baichen-service .service-content h3 {
    font-size: 20px;
  }
  
  .baichen-service .service-content p {
    font-size: 14px;
  }

  .baichen-service .service-overlay {
    padding: 10px 10px 15px 10px;
  }

  .baichen-service .service-item:hover .service-overlay h3 {
    margin-bottom: 10px;
     display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
            overflow: hidden;
            text-overflow: ellipsis;

  }

  .baichen-service .service-overlay h3 {
    font-size: 18px;
     display: -webkit-box;
            -webkit-box-orient: vertical;
            -webkit-line-clamp: 2;
            overflow: hidden;
            text-overflow: ellipsis;

  }

  .baichen-service .service-btn {
    padding: 4px 12px;
  }
}

@media (max-width: 480px) {
  
  .baichen-service .service-slider {
    padding: 0 20px;
  }
  .baichen-service .service-title h2 {
  color: #000;
  font-size: 24px;
  font-weight: 700;
  line-height: 1;
}
.baichen-service .service-content p {
  font-size: 13px;
  
  }
}