/* 全局样式 */
* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: #ffffff;
  color: #333333;
  line-height: 1.6;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

/* 1. 全屏大图片区域 */
.fullscreen-hero {
  position: relative;
  height: 100vh;
  overflow: hidden;
  padding-top: 64px;
  box-sizing: border-box;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), 
                    url('https://images.unsplash.com/photo-1507914461065-2f409e92791a?ixlib=rb-1.2.1&auto=format&fit=crop&w=1920&q=80');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  width: 90%;
  max-width: 800px;
  z-index: 10;
}

.hero-title {
  font-size: 4rem;
  font-weight: bold;
  margin-bottom: 20px;
  color: white;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
}

.hero-subtitle {
  font-size: 1.5rem;
  margin-bottom: 40px;
  color: rgba(255, 255, 255, 0.9);
}

.hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.btn-primary {
  background: #ff6900;
  color: white;
  padding: 15px 40px;
  font-size: 1.1rem;
  border-radius: 30px;
  text-decoration: none;
  border: 2px solid #ff6900;
  font-weight: 500;
  transition: all 0.3s;
  display: inline-block;
  min-width: 180px;
  text-align: center;
}

.btn-primary:hover {
  background: transparent;
  border-color: #ff6900;
  transform: translateY(-2px);
}

.btn-secondary {
  background: transparent;
  color: white;
  padding: 15px 40px;
  font-size: 1.1rem;
  border-radius: 30px;
  text-decoration: none;
  border: 2px solid white;
  font-weight: 500;
  transition: all 0.3s;
  display: inline-block;
  min-width: 180px;
  text-align: center;
}

.btn-secondary:hover {
  background: white;
  color: #0d0d0d;
  transform: translateY(-2px);
}

/* 2. 全屏视频背景区域 */
.fullscreen-video {
  position: relative;
  height: 100vh;
  overflow: hidden;
  margin: 0;
  padding: 64px 0 0 0;
  box-sizing: border-box;
}

.section-header {
  text-align: center;
  margin-bottom: 60px;
}

.section-header h2 {
  font-size: 3rem;
  margin-bottom: 15px;
  color: white;
}

.section-header p {
  font-size: 1.2rem;
  color: rgba(255, 255, 255, 0.7);
  max-width: 600px;
  margin: 0 auto;
}

.fullscreen-video video {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.video-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.4);
  z-index: 2;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  text-align: center;
  padding: 20px;
}

/* 视频标题样式 */
.video-title-large {
  font-size: 4rem;
  font-weight: 700;
  color: white;
  margin-bottom: 20px;
  text-shadow: 0 4px 15px rgba(0, 0, 0, 0.8);
  line-height: 1.2;
}

.video-subtitle {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.95);
  max-width: 700px;
  margin: 0 auto 30px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.8);
}

/* 3. 声学服务区域 - Soundbox风格 */
.custom-service {
  position: relative;
  height: 100vh;
  min-height: 800px;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.custom-service-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: url('https://soundbox-hk.oss-cn-guangzhou.aliyuncs.com/temp/soundbox_1773795237813.jpg');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  z-index: 1;
}

.custom-service-content {
  position: relative;
  z-index: 2;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
  width: 100%;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  justify-content: center;
  height: 100%;
}

.custom-service-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
  margin-bottom: 80px;
}

.custom-service-title {
  font-size: 4.5rem;
  font-weight: 700;
  color: white;
  line-height: 1.1;
  letter-spacing: -0.03em;
  margin: 0;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.6);
}

.custom-service-link {
  display: inline-flex;
  align-items: center;
  color: white;
  font-size: 1.1rem;
  font-weight: 500;
  text-decoration: none;
  padding: 10px 0;
  border-bottom: 2px solid white;
  transition: all 0.3s;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.4);
}

.custom-service-link:hover {
  color: #ff6900;
  border-bottom-color: #ff6900;
  transform: translateY(-2px);
}

.custom-service-buttons {
  display: flex;
  gap: 20px;
}

.btn-consult {
  background: #ff6900;
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 16px 36px;
  border-radius: 25px;
  text-decoration: none;
  transition: all 0.3s;
  border: 2px solid #ff6900;
  min-width: 150px;
  text-align: center;
  box-shadow: 0 10px 20px rgba(255, 105, 0, 0.2);
}

.btn-consult:hover {
  background: transparent;
  color: #ff6900;
  transform: translateY(-3px);
  box-shadow: 0 15px 30px rgba(255, 105, 0, 0.3);
}

.btn-config {
  background: transparent;
  color: white;
  font-size: 1.1rem;
  font-weight: 600;
  padding: 16px 36px;
  border-radius: 25px;
  text-decoration: none;
  transition: all 0.3s;
  border: 2px solid rgba(255, 255, 255, 0.5);
  min-width: 150px;
  text-align: center;
}

.btn-config:hover {
  background: white;
  color: #0d0d0d;
  border-color: white;
  transform: translateY(-3px);
}

/* 4. 联系咨询区域 */
.contact-section {
  padding: 100px 0;
  background: #f8f9fa;
}

.contact-section .section-header h2 {
  color: #333;
}

.contact-section .section-header p {
  color: #666;
}

/* 5. 核心产品区域 - 声学产品 */
.tech-product-section {
  padding: 80px 0;
  background: #0d0d0d;
}

.tech-product-header {
  text-align: center;
  margin-bottom: 60px;
}

.tech-product-main-title {
  font-size: 3.5rem;
  font-weight: 700;
  color: white;
  margin: 0;
  line-height: 1.2;
  text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
  letter-spacing: 0.5px;
}

.tech-product-list {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 30px;
  width: 100%;
}

.tech-product-card {
  position: relative;
  overflow: hidden;
  border-radius: 3px;
  height: 450px;
  transition: all 0.4s ease;
  cursor: pointer;
}

.tech-product-card:hover {
  transform: translateY(-8px);
  box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
}

.tech-product-card-bg {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.tech-product-card-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}

.tech-product-card:hover .tech-product-card-bg img {
  transform: scale(1.1);
}

.tech-product-card-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(to bottom, rgba(0, 0, 0, 0.2), rgba(0, 0, 0, 0.6));
  z-index: 1;
}

.tech-product-card-content {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  display: flex;
  flex-direction: column;
  justify-content: flex-start;
  align-items: center;
  padding-top: 60px;
  z-index: 2;
  text-align: center;
}

.tech-product-card-content h3 {
  font-size: 1.6rem;
  font-weight: 500;
  color: white;
  margin-bottom: 25px;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  line-height: 1.3;
}

.tech-product-btn {
  display: inline-block;
  background: rgba(255, 255, 255, 0.95);
  color: #0d0d0d;
  font-size: 1rem;
  font-weight: 600;
  padding: 12px 30px;
  border-radius: 25px;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  min-width: 140px;
  text-align: center;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
}

.tech-product-btn:hover {
  background: white;
  color: #0d0d0d;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

/* 6. 关于我们的工厂 */
.factory-section {
  padding: 164px 0 100px 0;
  position: relative;
  background-image: linear-gradient(rgba(0, 0, 0, 0.3), rgba(0, 0, 0, 0.3)), 
                    url('https://soundbox-hk.oss-cn-guangzhou.aliyuncs.com/temp/soundbox-factory-noise-reduction_1760491432733.WEBP');
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
  min-height: 600px;
  display: flex;
  align-items: center;
}

.factory-content {
  position: relative;
  z-index: 2;
  max-width: 800px;
  margin: 0 auto;
  text-align: center;
  padding: 0 20px;
}

.factory-content h2 {
  font-size: 3.5rem;
  margin-bottom: 20px;
  color: white;
  text-shadow: 0 2px 10px rgba(0, 0, 0, 0.5);
  line-height: 1.2;
}

.factory-content p {
  font-size: 1.5rem;
  color: rgba(255, 255, 255, 0.9);
  line-height: 1.6;
  margin-bottom: 40px;
  text-shadow: 0 1px 5px rgba(0, 0, 0, 0.3);
}

/* Soundbox风格的swiper轮播样式 */
.swiper-section {
  position: relative;
  width: 100%;
  height: 80vh;
  overflow: hidden;
  padding-top: 1px;
  box-sizing: border-box;
  background: #ffffff;
  min-height: 600px;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
}

/* 确保轮播区域显示 */
.swiper-wrapper {
  position: relative !important;
  width: 100% !important;
  height: 100% !important;
  display: flex !important;
  z-index: 1 !important;
  transition: transform 0.3s ease !important;
}

.swiper-slide {
  position: relative !important;
  width: 100% !important;
  height: 100% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  z-index: 2 !important;
  flex-shrink: 0 !important;
  opacity: 1 !important;
  visibility: visible !important;
}

.carousel-main-wrapper {
  position: relative;
  width: 100%;
  height: 100%;
}

.swiper-container {
  position: relative;
  width: 100%;
  height: 100%;
}

.swiper {
  position: relative;
  width: 100%;
  height: 100%;
}

.swiper-slide {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
}

.swiper-slide a {
  display: block;
  width: 100%;
  height: 100%;
  overflow: hidden;
}

.swiper-slide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.swiper-slide:hover img {
  transform: scale(1.05);
}

.video-container {
  position: relative;
  width: 100%;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.carousel-video {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.volume-icon {
  position: absolute;
  bottom: 30px;
  right: 30px;
  z-index: 9999;
  cursor: pointer;
  background: rgba(0, 0, 0, 0.3);
  border-radius: 50%;
  padding: 8px;
  transition: all 0.3s ease;
  pointer-events: auto;
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

.volume-icon:hover {
  background: rgba(0, 0, 0, 0.5);
  transform: scale(1.1);
}

.volume-icon img {
  width: 24px;
  height: 24px;
}

/* 轮播控制按钮样式 - 声博士网站样式 */
.swiper-button-prev,
.swiper-button-next {
  position: absolute !important;
  top: 50% !important;
  transform: translateY(-50%) !important;
  color: rgba(255, 255, 255, 0.7) !important;
  width: 50px !important;
  height: 50px !important;
  background: rgba(0, 0, 0, 0.3) !important;
  border-radius: 50% !important;
  display: flex !important;
  align-items: center !important;
  justify-content: center !important;
  transition: all 0.3s ease !important;
  z-index: 9999 !important;
  opacity: 1 !important;
  border: 1px solid rgba(255, 255, 255, 0.3) !important;
  cursor: pointer !important;
  pointer-events: auto !important;
  visibility: visible !important;
  margin: 0 !important;
}

.swiper-button-prev {
  left: 40px !important;
}

.swiper-button-next {
  right: 40px !important;
}

.swiper-button-prev:hover,
.swiper-button-next:hover {
  background: rgba(0, 0, 0, 0.5) !important;
  color: white !important;
  opacity: 0.8 !important;
  border-color: rgba(255, 255, 255, 0.5) !important;
}

/* 轮播控制按钮图标样式 */
.swiper-button-prev:after,
.swiper-button-next:after {
  font-size: 20px !important;
  font-weight: bold !important;
  color: inherit !important;
}

.swiper-button-prev:after {
  content: '←' !important;
}

.swiper-button-next:after {
  content: '→' !important;
}

/* 确保轮播控制按钮显示 */
.swiper-button-prev,
.swiper-button-next {
  display: flex !important;
  visibility: visible !important;
  opacity: 1 !important;
}

/* 轮播分页样式 - 声博士网站样式 */
.swiper-pagination {
  position: absolute !important;
  bottom: 30px !important;
  text-align: center !important;
  width: 100% !important;
  z-index: 9998 !important;
  display: block !important;
  visibility: visible !important;
  opacity: 1 !important;
}

.swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background: rgba(255, 255, 255, 0.5) !important;
  border-radius: 50% !important;
  margin: 0 4px !important;
  transition: all 0.3s ease !important;
  cursor: pointer !important;
}

.swiper-pagination-bullet-active {
  background: #fff !important;
  width: 12px !important;
  height: 12px !important;
}

/* 产品解决方案样式 */
.solutions-section {
  padding: 60px 0;
  background: #f9f9f9;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.section-title {
  font-size: 32px;
  font-weight: 700;
  margin-bottom: 50px;
  color: #333;
  text-align: center;
  position: relative;
  padding-bottom: 20px;
}

.section-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 80px;
  height: 3px;
  background-color: #0066cc;
}

/* 动画效果 */
.animated-section {
  margin-bottom: 80px;
  opacity: 0;
  transform: translateY(40px);
  transition: all 0.8s ease;
}

.animated-section.animate-in {
  opacity: 1;
  transform: translateY(0);
}

/* 解决方案标题 */
.solution-title {
  text-align: center;
  margin-bottom: 40px;
}

.solution-title h2 {
  font-size: 28px;
  font-weight: 600;
  color: #333;
  margin-bottom: 15px;
  position: relative;
  display: inline-block;
}

.solution-title h2::after {
  content: '';
  position: absolute;
  bottom: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 60px;
  height: 2px;
  background-color: #0066cc;
}

.solution-title p {
  font-size: 18px;
  color: #666;
  font-style: italic;
  margin: 0;
  font-family: 'Georgia', serif;
}

/* 快门容器 */
.shutter-container {
  display: flex;
  gap: 10px;
  overflow: hidden;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

/* 快门项 */
.shutter-item {
  flex: 1;
  min-width: 0;
  transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
  border-radius: 8px;
  cursor: pointer;
}

.shutter-item.active {
  flex: 5;
}

.shutter-item a {
  display: block;
  width: 100%;
  height: 100%;
  position: relative;
  text-decoration: none;
  color: #fff;
  overflow: hidden;
}

.shutter-item img {
  width: 100%;
  height: 350px;
  object-fit: cover;
  transition: all 0.5s ease;
  transform: scale(1.05);
}

.shutter-item:hover img {
  transform: scale(1.1);
}

.shutter-item.active img {
  transform: scale(1.1);
}

/* 快门标签 */
.shutter-label {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 20px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), rgba(0, 0, 0, 0.4));
  color: #fff;
  font-size: 18px;
  font-weight: 600;
  transition: all 0.3s ease;
  text-align: center;
  transform: translateY(0);
  opacity: 1;
}

.shutter-item:hover .shutter-label {
  padding: 25px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.5));
}

.shutter-item.active .shutter-label {
  padding: 25px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.9), rgba(0, 0, 0, 0.5));
}

/* 响应式设计 */
@media (max-width: 1024px) {
  .shutter-container {
    gap: 10px;
    padding: 10px;
  }
  
  .shutter-item img {
    height: 300px;
  }
  
  .solution-title h2 {
    font-size: 24px;
  }
  
  .solution-title p {
    font-size: 16px;
  }
}

@media (max-width: 768px) {
  .solutions-section {
    padding: 60px 0;
  }
  
  .section-title {
    font-size: 28px;
    margin-bottom: 40px;
  }
  
  .animated-section {
    margin-bottom: 60px;
  }
  
  .solution-title h2 {
    font-size: 22px;
  }
  
  .solution-title p {
    font-size: 14px;
  }
  
  .shutter-container {
    flex-direction: column;
    gap: 15px;
    padding: 0;
    box-shadow: none;
  }
  
  .shutter-item {
    flex: 1 !important;
    border-radius: 8px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  }
  
  .shutter-item img {
    height: 250px;
  }
  
  .shutter-label {
    transform: translateY(0);
    opacity: 1;
    padding: 20px;
    font-size: 16px;
  }
  
  .shutter-item:hover .shutter-label {
    padding: 20px;
  }
  
  .shutter-item.active .shutter-label {
    padding: 20px;
  }
}

@media (max-width: 480px) {
  .solutions-section {
    padding: 40px 0;
  }
  
  .section-title {
    font-size: 24px;
    margin-bottom: 30px;
  }
  
  .animated-section {
    margin-bottom: 40px;
  }
  
  .solution-title h2 {
    font-size: 20px;
  }
  
  .solution-title p {
    font-size: 12px;
  }
  
  .shutter-item img {
    height: 200px;
  }
  
  .shutter-label {
    padding: 15px;
    font-size: 14px;
  }
}

.swiper-pagination-bullet {
  width: 8px;
  height: 8px;
  background: rgba(255, 255, 255, 0.5);
  opacity: 1;
  margin: 0 4px;
  transition: all 0.3s ease;
  border-radius: 4px;
}

.swiper-pagination-bullet:hover {
  background: rgba(255, 255, 255, 0.7);
}

.swiper-pagination-bullet-active {
  background: white;
  width: 30px;
  border-radius: 4px;
  opacity: 1;
}

/* 响应式设计 */
@media (max-width: 768px) {
  .hero-title {
    font-size: 2.5rem;
  }
  
  .hero-subtitle {
    font-size: 1.2rem;
  }
  
  .section-header h2 {
    font-size: 2.2rem;
  }
  
  .factory-content h2 {
    font-size: 2.5rem;
  }
  
  .factory-content {
    padding: 40px 20px;
  }
  
  .tech-product-main-title {
    font-size: 2.8rem;
    margin-bottom: 30px;
  }
  
  .tech-product-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 25px;
  }
  
  .tech-product-card {
    height: 350px;
  }
  
  .tech-product-card-content {
    padding-top: 50px;
  }
  
  .tech-product-card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
  }
  
  .tech-product-btn {
    padding: 10px 25px;
    font-size: 0.95rem;
    min-width: 120px;
  }
  
  .hero-buttons {
    flex-direction: column;
    align-items: center;
  }
  
  .btn-primary,
  .btn-secondary {
    width: 100%;
    max-width: 300px;
  }
  
  /* 全屏视频响应式 */
  .video-title-large {
    font-size: 2.8rem;
  }
  
  .video-subtitle {
    font-size: 1.2rem;
    max-width: 90%;
  }
  
  /* 定制与服务响应式 */
  .custom-service {
    height: auto;
    min-height: 600px;
    padding: 100px 0;
  }
  
  .custom-service-header {
    flex-direction: column;
    align-items: flex-start;
    gap: 30px;
    margin-bottom: 50px;
  }
  
  .custom-service-title {
    font-size: 3rem;
  }
  
  .custom-service-buttons {
    flex-direction: column;
    width: 100%;
    max-width: 300px;
  }
  
  .btn-consult,
  .btn-config {
    width: 100%;
  }
  
  /* Soundbox轮播响应式 */
  .swiper-button-prev,
  .swiper-button-next {
    width: 40px;
    height: 40px;
  }
  
  .volume-icon {
    bottom: 20px;
    right: 20px;
  }
  
  .volume-icon img {
    width: 24px;
    height: 24px;
  }
}

@media (max-width: 480px) {
  .hero-title {
    font-size: 2rem;
  }
  
  .section-header h2 {
    font-size: 1.8rem;
  }
  
  .factory-content h2 {
    font-size: 2rem;
  }
  
  .factory-content p {
    font-size: 1.1rem;
  }
  
  .tech-product-main-title {
    font-size: 2.2rem;
    margin-bottom: 25px;
  }
  
  .tech-product-list {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  
  .tech-product-card {
    height: 300px;
  }
  
  .tech-product-card-content {
    padding-top: 40px;
  }
  
  .tech-product-card-content h3 {
    font-size: 1.4rem;
    margin-bottom: 20px;
  }
  
  .tech-product-btn {
    padding: 11px 25px;
    font-size: 0.95rem;
    min-width: 125px;
  }
  
  /* 定制与服务响应式 - 小屏幕 */
  .custom-service {
    min-height: 500px;
    padding: 80px 0;
  }
  
  .custom-service-title {
    font-size: 3rem;
  }
  
  .custom-service-header {
    margin-bottom: 40px;
  }
  
  .custom-service-link {
    font-size: 1rem;
    padding: 8px 0;
  }
  
  .btn-consult,
  .btn-config {
    padding: 14px 30px;
    font-size: 1rem;
    min-width: auto;
  }
  
  /* 工厂区域响应式 */
  .factory-section {
    min-height: 500px;
    padding: 80px 0;
  }
  
  .factory-content h2 {
    font-size: 2.8rem;
  }
  
  .factory-content p {
    font-size: 1.3rem;
  }
}

@media (max-width: 480px) {
  .custom-service {
    min-height: 600px;
    padding: 60px 0;
  }
  
  .custom-service-title {
    font-size: 2.5rem;
  }
  
  /* 工厂区域响应式 - 手机端 */
  .factory-section {
    min-height: 400px;
    padding: 60px 0;
  }
  
  .factory-content h2 {
    font-size: 2.2rem;
  }
  
  .factory-content p {
    font-size: 1.1rem;
  }
}

/* 滚动条样式 */
::-webkit-scrollbar {
  width: 10px;
}

::-webkit-scrollbar-track {
  background: #1a1a1a;
}

::-webkit-scrollbar-thumb {
  background: #ff6900;
  border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
  background: #ff8533;
}

/* 动画 */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate {
  animation: fadeInUp 0.6s ease-out;
}

/* Soundbox风格的额外样式 */
.seo-h1 {
  position: absolute;
  top: -9999px;
  left: -9999px;
  width: 1px;
  height: 1px;
  overflow: hidden;
}

.desktop-layout {
  display: block;
}

.mobile-layout {
  display: none;
}

@media (max-width: 768px) {
  .desktop-layout {
    display: none;
  }
  
  .mobile-layout {
    display: block;
  }
}

/* 移动端样式 */
.mobile-hero-card {
  margin-bottom: 20px;
}

.hero-image-container {
  position: relative;
  width: 100%;
  height: 300px;
  overflow: hidden;
}

.hero-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.hero-content {
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  padding: 20px;
  background: linear-gradient(to top, rgba(0, 0, 0, 0.8), transparent);
}

.hero-title {
  font-size: 1.5rem;
  margin-bottom: 5px;
}

.hero-description {
  font-size: 1rem;
  color: rgba(255, 255, 255, 0.8);
}

/* 移动端轮播 */
.mobile-carousel-container {
  margin: 40px 0;
}

.mobile-carousel {
  position: relative;
  overflow: hidden;
}

.carousel-wrapper {
  display: flex;
  transition: transform 0.5s ease;
}

.carousel-slide {
  flex: 0 0 100%;
}

.slide-content {
  position: relative;
  width: 100%;
  height: 200px;
}

.slide-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.custom-pagination {
  display: flex;
  justify-content: center;
  gap: 10px;
  margin-top: 20px;
}

.pagination-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: rgba(0, 0, 0, 0.3);
  border: none;
  cursor: pointer;
}

.pagination-dot.active {
  background: #ff6900;
}

/* 移动端解决方案标签 */
.mobile-solution-tabs {
  margin-top: 40px;
}

.solution-header {
  text-align: center;
  margin-bottom: 30px;
}

.solution-main-title {
  font-size: 2rem;
  color: #333;
  margin-bottom: 10px;
}

.solution-subtitle {
  font-size: 1rem;
  color: #666;
}

.category-section {
  margin-bottom: 30px;
}

.category-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 15px;
  background: white;
  border-radius: 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  cursor: pointer;
}

.category-title {
  font-size: 1.2rem;
  color: #333;
  margin: 0;
}

.category-subtitle {
  font-size: 0.9rem;
  color: #666;
  margin: 5px 0 0;
}

.expand-icon {
  font-size: 1.2rem;
  color: #666;
  transition: transform 0.3s;
}

.expand-icon.expanded {
  transform: rotate(180deg);
}

.category-content {
  padding: 20px;
  background: white;
  border-radius: 0 0 8px 8px;
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
  margin-top: -10px;
}

.item-tabs {
  margin-bottom: 20px;
}

.tab-slider {
  display: flex;
  overflow-x: auto;
  gap: 10px;
  padding-bottom: 10px;
}

.tab-pill {
  white-space: nowrap;
  padding: 8px 15px;
  background: #f0f0f0;
  border-radius: 20px;
  font-size: 0.9rem;
  color: #666;
  cursor: pointer;
  transition: all 0.3s;
}

.tab-pill.active {
  background: #ff6900;
  color: white;
}

.item-display {
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.item-image-container {
  width: 100%;
  height: 200px;
  overflow: hidden;
  border-radius: 8px;
}

.item-image {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.item-info {
  padding: 0 10px;
}

.item-main-title {
  font-size: 1.1rem;
  color: #333;
  margin-bottom: 10px;
}

.item-description {
  font-size: 0.9rem;
  color: #666;
  line-height: 1.5;
  margin-bottom: 15px;
}

.item-link-button {
  display: inline-block;
  padding: 10px 20px;
  background: #ff6900;
  color: white;
  border-radius: 20px;
  text-decoration: none;
  font-size: 0.9rem;
  transition: all 0.3s;
}

.item-link-button:hover {
  background: #ff8533;
  transform: translateY(-2px);
}

.link-arrow {
  margin-left: 5px;
  font-size: 1.1rem;
}