/* 首页Banner */
.banner {
  height: 650px;
  background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
  color: #fff;
  position: relative;
  overflow: hidden;
  display: flex;
  align-items: center;
}

.banner-content {
  position: relative;
  z-index: 2;
  max-width: 700px;
  animation: fadeIn 1s;
}

.banner h1 {
  font-size: 52px;
  line-height: 1.3;
  margin-bottom: 25px;
  text-shadow: 0 3px 10px rgba(0,0,0,0.15);
}

.banner p {
  font-size: 18px;
  opacity: 0.9;
  margin-bottom: 35px;
  line-height: 1.8;
  max-width: 500px;
}

.banner-btns {
  display: flex;
  gap: 20px;
}

/* 公司简介 */
.about-section {
  padding: 100px 0;
  background-color: #fff;
}

.about-content {
  display: flex;
  gap: 60px;
  align-items: center;
}

.about-img {
  width: 45%;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 10px 30px rgba(0,0,0,0.08);
}

.about-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.8s;
}

.about-section:hover .about-img img {
  transform: scale(1.05);
}

.about-text {
  width: 55%;
}

.about-text h3 {
  font-size: 26px;
  margin-bottom: 20px;
  color: #222;
}

.about-text p {
  color: #666;
  line-height: 1.8;
  margin-bottom: 25px;
}

.about-stats {
  display: flex;
  gap: 40px;
  margin: 35px 0;
}

.stat-item {
  text-align: center;
}

.stat-item .stat-number {
  display: block;
  font-size: 32px;
  font-weight: bold;
  color: #2575fc;
  margin-bottom: 8px;
}

.stat-item .stat-text {
  color: #666;
  font-size: 14px;
}

/* 核心产品 */
.products-section {
  padding: 100px 0;
  background-color: #f9fcff;
}

.products-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
  margin-bottom: 50px;
}

.product-card {
  background-color: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  transition: transform 0.3s, box-shadow 0.3s;
  display: flex;
  flex-direction: column;
  height: 100%;
}

.product-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 15px 30px rgba(0,0,0,0.1);
}

.card-img {
  height: 200px;
  overflow: hidden;
}

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

.product-card:hover .card-img img {
  transform: scale(1.08);
}

.card-info {
  padding: 25px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.card-info h3 {
  font-size: 18px;
  margin-bottom: 15px;
  color: #222;
  transition: color 0.3s;
}

.product-card:hover .card-info h3 {
  color: #6a11cb;
}

.card-info p {
  color: #666;
  font-size: 14px;
  line-height: 1.6;
  margin-bottom: 20px;
  flex: 1;
}

.card-link {
  display: inline-flex;
  align-items: center;
  color: #2575fc;
  font-size: 14px;
  font-weight: 500;
  transition: padding-left 0.3s;
}

.card-link i {
  margin-left: 5px;
  transition: transform 0.3s;
}

.card-link:hover {
  padding-left: 5px;
}

.card-link:hover i {
  transform: translateX(5px);
}

.view-more {
  text-align: center;
}

/* 行业解决方案 */
.solutions-section {
  padding: 100px 0;
  background-color: #fff;
}

.solutions-list {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 30px;
}

.solution-item {
  background-color: #f9fcff;
  padding: 35px 25px;
  border-radius: 10px;
  text-align: center;
  transition: transform 0.3s, box-shadow 0.3s;
}

.solution-item:hover {
  transform: translateY(-8px);
  box-shadow: 0 10px 25px rgba(0,0,0,0.08);
}

.solution-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, rgba(106,17,203,0.1) 0%, rgba(37,117,252,0.1) 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 25px;
}

.solution-icon i {
  font-size: 36px;
  color: #2575fc;
}

.solution-item h3 {
  font-size: 20px;
  margin-bottom: 15px;
}

.solution-item p {
  color: #666;
  font-size: 14px;
  line-height: 1.6;
}

/* 客户案例 */
.cases-section {
  padding: 100px 0;
  background-color: #f9fcff;
  overflow: hidden;
}

.cases-slider {
  display: flex;
  gap: 30px;
  margin-top: 30px;
  animation: slide 20s linear infinite;
}

.case-item {
  min-width: calc(20% - 24px);
  background-color: #fff;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
  transition: transform 0.3s;
}

.case-item:hover {
  transform: translateY(-5px);
}

.case-item img {
  width: 100%;
  height: 200px;
  object-fit: cover;
}

.case-item p {
  padding: 15px;
  text-align: center;
  font-size: 14px;
  color: #333;
}

/* 联系我们 */
.contact-section {
  padding: 100px 0;
  background-color: #fff;
}

.contact-content {
  display: flex;
  gap: 50px;
}

.contact-form {
  width: 50%;
  background-color: #f9fcff;
  padding: 40px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0,0,0,0.05);
}

.contact-info {
  width: 50%;
}

.contact-info h3 {
  margin-bottom: 30px;
}

.info-list {
  margin-bottom: 40px;
}

.info-item {
  display: flex;
  align-items: flex-start;
  gap: 15px;
  margin-bottom: 25px;
}

.info-item i {
  color: #2575fc;
  font-size: 20px;
  margin-top: 3px;
}

.info-item span {
  color: #666;
  line-height: 1.6;
}

.stats-box {
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}

.stats-box .stat-item {
  width: calc(50% - 10px);
  background-color: #f9fcff;
  padding: 20px 15px;
  border-radius: 8px;
  text-align: center;
}

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

@keyframes slide {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-100%);
  }
}

/* 响应式适配 */
@media (max-width: 1200px) {
  .banner h1 {
    font-size: 46px;
  }
  
  .products-list,
  .solutions-list {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .case-item {
    min-width: calc(25% - 22.5px);
  }
}

@media (max-width: 992px) {
  .banner {
    height: 550px;
  }
  
  .about-content {
    flex-direction: column;
  }
  
  .about-img,
  .about-text {
    width: 100%;
  }
  
  .about-img {
    margin-bottom: 40px;
  }
  
  .contact-content {
    flex-direction: column;
  }
  
  .contact-form,
  .contact-info {
    width: 100%;
  }
  
  .case-item {
    min-width: calc(33.333% - 20px);
  }
}

@media (max-width: 768px) {
  .banner {
    height: 450px;
    text-align: center;
  }
  
  .banner-content {
    margin: 0 auto;
  }
  
  .banner h1 {
    font-size: 36px;
  }
  
  .banner-btns {
    justify-content: center;
  }
  
  .about-section,
  .products-section,
  .solutions-section,
  .cases-section,
  .contact-section {
    padding: 60px 0;
  }
  
  .about-stats {
    flex-wrap: wrap;
    gap: 20px;
  }
  
  .about-stats .stat-item {
    width: calc(50% - 10px);
  }
  
  .solutions-list {
    grid-template-columns: 1fr;
  }
  
  .case-item {
    min-width: calc(50% - 15px);
    height: auto;
  }
  
  .stats-box .stat-item {
    width: 100%;
  }
  
  .contact-form {
    padding: 25px;
  }
}

@media (max-width: 576px) {
  .banner {
    height: 400px;
  }
  
  .banner h1 {
    font-size: 28px;
    margin-bottom: 15px;
  }
  
  .banner p {
    font-size: 16px;
    margin-bottom: 25px;
  }
  
  .banner-btns {
    flex-direction: column;
    gap: 10px;
  }
  
  .banner-btns .btn {
    width: 100%;
  }
  
  .products-list {
    grid-template-columns: 1fr;
  }
  
  .case-item {
    min-width: 100%;
  }
  
  .case-item img {
    height: 160px;
  }
}