/* Hero section */
.hero {
  position: relative;
  margin-bottom: 3rem;
  width: 100%;
}

/* Section with light gray background */
.section-gray {
  background-color: var(--light-gray);
}

/* Centered paragraph with larger font size */
.section-description {
  text-align: center;
  font-size: 1.2rem;
  line-height: 1.8;
  max-width: 800px;
  margin: 0 auto 2rem;
}

/* Centered button container */
.centered-button {
  text-align: center;
  margin-top: 2rem;
}

.carousel-container {
  position: relative;
  width: 100%;
  height: 600px;
  overflow: hidden;
}

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

.carousel-slide {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  transition: opacity 0.5s ease-in-out;
}

.carousel-slide.active {
  opacity: 1;
}

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

.carousel-slide::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4));
  z-index: 1;
}

.carousel-controls {
  position: absolute;
  top: 50%;
  width: 100%;
  display: flex;
  justify-content: space-between;
  transform: translateY(-50%);
  z-index: 10;
  padding: 0 20px;
}

.carousel-btn {
  background-color: rgba(0, 0, 0, 0.5);
  color: white;
  border: none;
  font-size: 1.5rem;
  width: 50px;
  height: 50px;
  border-radius: 50%;
  cursor: pointer;
  transition: background-color 0.3s;
}

.carousel-btn:hover {
  background-color: rgba(0, 0, 0, 0.8);
}

.carousel-indicators {
  position: absolute;
  bottom: 20px;
  left: 50%;
  transform: translateX(-50%);
  display: flex;
  gap: 10px;
  z-index: 10;
}

.indicator {
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background-color: rgba(255, 255, 255, 0.5);
  cursor: pointer;
  transition: background-color 0.3s;
}

.indicator.active {
  background-color: white;
}

.hero-content {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  text-align: center;
  color: white;
  z-index: 20;
  width: 100%;
}

.hero-content h2 {
  font-size: 3rem;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
}

.hero-content p {
  font-size: 1.5rem;
  margin-bottom: 2.5rem;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
  text-shadow: 1px 1px 2px rgba(0,0,0,0.5);
}

/* Main layout */
.main-content {
  display: flex;
  position: relative;
  max-width: 100%;
  margin: 0 auto;
  padding: 0 30px;
}

.content-wrapper {
  flex: 1;
}

/* Sidebar */
.sidebar {
  width: 350px;
  padding: 20px;
  position: sticky;
  top: 100px;
  align-self: start;
  height: fit-content;
}

.sidebar-content {
  background-color: var(--light-gray);
  border-radius: 10px;
  padding: 0 10px 10px 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

.sidebar-content > div {
  margin-bottom: 5px;
}

.sidebar-content > div:last-child {
  margin-bottom: 0;
}

.sidebar h3 {
  color: var(--success-color);
  margin-bottom: 5px;
  padding-bottom: 5px;
  border-bottom: 2px solid var(--success-color);
}

/* Calendar */
.calendar {
  text-align: center;
  padding: 5px;
  border-radius: 5px;
  font-size: 1rem;
  color: var(--success-color);
  margin-bottom: 5px;
}

.calendar-date {
  font-weight: bold;
  margin-bottom: 5px;
}

.calendar-weekday {
  font-size: 0.9rem;
}

.company-service-time {
  font-size: 0.8rem;
  margin-top: 10px;
  padding-top: 10px;
  border-top: 1px solid #eee;
}

/* Articles list */
.articles-list {
  list-style: none;
}

.articles-list li {
  margin-bottom: 10px;
  padding-bottom: 10px;
  border-bottom: 1px dashed var(--light-border);
}

.articles-list li:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.articles-list a {
  text-decoration: underline;
  color: var(--dark-medium-gray);
  transition: color 0.3s;
  display: block;
  font-size: 0.95rem;
}

.articles-list a:hover {
  color: var(--success-color);
}

/* Brand message */
.sidebar-brand-message h3 {
  margin-top: 5px;
}

.sidebar-brand-message p {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--medium-gray);
}

/* 产品展示 */
.product-showcase {
  overflow: hidden;
  position: relative;
  width: 100%;
  height: 500px;
  margin: 3rem 0;
}

.product-track {
  display: flex;
  width: max-content;
  animation: smooth-scroll 40s linear infinite;
}

@keyframes smooth-scroll {
  0% {
    transform: translateX(0);
  }
  100% {
    transform: translateX(-50%);
  }
}

.product-slide {
  flex: 0 0 auto;
  padding: 0 8px;
  box-sizing: border-box;
}

.product-card {
  background: var(--white);
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
  height: 100%;
  display: flex;
  flex-direction: column;
  width: 100%;
  max-width: 350px;
  min-height: 350px;
  margin: 0 auto;
}

.product-card-img {
  width: 100%;
  height: 320px;
  object-fit: cover;
}

.product-card-content {
  padding: 15px;
  flex-grow: 1;
  display: flex;
  flex-direction: column;
}

.product-card-content h3 {
  font-size: 1.2rem;
  color: var(--primary-color);
  margin-bottom: 10px;
}

.product-card-content p {
  font-size: 0.9rem;
  color: var(--gray);
  line-height: 1.5;
  flex-grow: 1;
}

/* Responsive design */
@media (max-width: 992px) {
  .carousel-container {
    height: 300px;
  }

  .hero-content h2 {
    font-size: 2rem;
  }

  .hero-content p {
    font-size: 1.1rem;
  }

  .carousel-controls {
    padding: 0 10px;
  }

  .carousel-btn {
    width: 40px;
    height: 40px;
    font-size: 1.2rem;
  }
}

@media (max-width: 768px) {
  .hero {
    margin-bottom: 1.5rem;
  }

  .carousel-container {
    height: 250px;
  }

  .hero-content h2 {
    font-size: 1.5rem;
  }

  .hero-content p {
    font-size: 1rem;
  }
  
  .sidebar {
    width: 100%;
    position: static;
    padding: 20px 0;
  }
  
  .product-track {
    width: calc(50% * 16);
    justify-content: center;
  }
  
  .product-slide {
    flex: 0 0 50%;
  }
  
  .product-card {
    max-width: 100%;
    min-height: 340px;
  }
}

@media (max-width: 480px) {
  .product-track {
    width: calc(100% * 16);
    justify-content: center;
  }
  
  .product-slide {
    flex: 0 0 100%;
  }
  
  .product-card {
    max-width: 100%;
    min-height: 320px;
  }
}