/* style/index.css */
.page-index {
  font-family: 'Arial', sans-serif;
  color: #333;
  line-height: 1.6;
}

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

.page-index-section-title {
  font-size: 2.5em;
  color: #007BFF;
  text-align: center;
  margin-bottom: 40px;
  position: relative;
  padding-bottom: 15px;
}

.page-index-section-title::after {
  content: '';
  position: absolute;
  left: 50%;
  bottom: 0;
  transform: translateX(-50%);
  width: 80px;
  height: 4px;
  background-color: #FFD700;
  border-radius: 2px;
}

.page-index-section-description {
  text-align: center;
  max-width: 800px;
  margin: 0 auto 60px auto;
  font-size: 1.1em;
  color: #555;
}

.page-index-btn {
  display: inline-block;
  padding: 12px 25px;
  border-radius: 5px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  text-align: center;
  cursor: pointer;
}

.page-index-btn-primary {
  background-color: #007BFF;
  color: #FFFFFF;
  border: 2px solid #007BFF;
}

.page-index-btn-primary:hover {
  background-color: #0056b3;
  border-color: #0056b3;
}

.page-index-btn-secondary {
  background-color: transparent;
  color: #007BFF;
  border: 2px solid #007BFF;
  margin-left: 15px;
}

.page-index-btn-secondary:hover {
  background-color: #007BFF;
  color: #FFFFFF;
}

.page-index-btn-promo {
  background-color: #FFD700;
  color: #333;
  border: 2px solid #FFD700;
  margin-top: 15px;
}

.page-index-btn-promo:hover {
  background-color: #e6c200;
  border-color: #e6c200;
}

.page-index-btn-detail {
  background-color: #007BFF;
  color: #FFFFFF;
  border: 2px solid #007BFF;
  font-size: 0.9em;
  padding: 8px 15px;
}

.page-index-btn-detail:hover {
  background-color: #0056b3;
  border-color: #0056b3;
}

/* Hero Section */
.page-index-hero-section {
  background: linear-gradient(135deg, #007BFF, #33A0FF);
  color: #FFFFFF;
  padding: 100px 0;
  text-align: center;
  display: flex;
  align-items: center;
  min-height: 600px;
}

.page-index-hero-content {
  flex: 1;
  padding-right: 40px;
  text-align: left;
}

.page-index-hero-image {
  flex: 1;
  display: flex;
  justify-content: center;
  align-items: center;
}

.page-index-hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.2);
}

.page-index-hero-title {
  font-size: 3.8em;
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: 700;
}

.page-index-highlight {
  color: #FFD700;
}

.page-index-hero-description {
  font-size: 1.3em;
  margin-bottom: 30px;
  opacity: 0.9;
}

.page-index-hero-buttons {
  margin-top: 30px;
  display: flex;
  justify-content: flex-start;
}

/* About Section */
.page-index-about-section {
  background-color: #f8f9fa;
  padding: 80px 0;
}

.page-index-about-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  text-align: center;
}

.page-index-about-item {
  background-color: #FFFFFF;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.page-index-about-item:hover {
  transform: translateY(-10px);
}

.page-index-about-icon {
  width: 60px;
  height: 60px;
  margin-bottom: 20px;
  filter: drop-shadow(0 5px 5px rgba(0, 123, 255, 0.3));
}

.page-index-about-item h3 {
  font-size: 1.5em;
  color: #007BFF;
  margin-bottom: 15px;
}

.page-index-about-item p {
  color: #666;
}

/* Features Section */
.page-index-features-section {
  padding: 80px 0;
  background-color: #FFFFFF;
}

.page-index-features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-bottom: 50px;
}

.page-index-feature-card {
  background-color: #f8f9fa;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
  text-align: center;
}

.page-index-feature-card:hover {
  transform: translateY(-10px);
}

.page-index-feature-card img {
  width: 100%;
  height: 220px;
  object-fit: cover;
  display: block;
}

.page-index-feature-card h3 {
  font-size: 1.6em;
  color: #007BFF;
  margin: 25px 15px 10px 15px;
}

.page-index-feature-card p {
  color: #666;
  padding: 0 20px 25px 20px;
}

.page-index-cta-center {
  text-align: center;
  margin-top: 40px;
}

/* Promotions Section */
.page-index-promotions-section {
  background-color: #E6F2FF; /* Light blue background */
  padding: 80px 0;
}

.page-index-promotions-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-index-promotion-card {
  background-color: #FFFFFF;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  overflow: hidden;
  text-align: center;
  padding-bottom: 25px;
  transition: transform 0.3s ease;
}

.page-index-promotion-card:hover {
  transform: translateY(-10px);
}

.page-index-promotion-card img {
  width: 100%;
  height: 200px;
  object-fit: cover;
  margin-bottom: 20px;
}

.page-index-promotion-card h3 {
  font-size: 1.6em;
  color: #007BFF;
  margin-bottom: 10px;
  padding: 0 20px;
}

.page-index-promotion-card p {
  color: #666;
  margin-bottom: 20px;
  padding: 0 20px;
}

/* Deep Content Section */
.page-index-deep-content-section {
  padding: 80px 0;
  background-color: #FFFFFF;
}

.page-index-deep-content-section h3 {
  font-size: 2em;
  color: #007BFF;
  margin-top: 40px;
  margin-bottom: 20px;
  border-left: 5px solid #FFD700;
  padding-left: 15px;
}

.page-index-deep-content-section h4 {
  font-size: 1.5em;
  color: #333;
  margin-top: 30px;
  margin-bottom: 15px;
}

.page-index-deep-content-section p {
  margin-bottom: 15px;
  color: #444;
}

.page-index-deep-content-section ul {
  list-style-type: disc;
  margin-left: 25px;
  margin-bottom: 20px;
  color: #444;
}

.page-index-deep-content-section ul li {
  margin-bottom: 8px;
}

.page-index-content-image {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin: 30px auto;
  display: block;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
}

/* Detail Pages Section */
.page-index-detail-pages-section {
  padding: 80px 0;
  background-color: #f8f9fa;
}

.page-index-detail-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
}

.page-index-detail-card {
  background-color: #FFFFFF;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.08);
  transition: transform 0.3s ease;
}

.page-index-detail-card:hover {
  transform: translateY(-10px);
}

.page-index-detail-card h3 {
  font-size: 1.6em;
  margin-bottom: 15px;
}

.page-index-detail-card h3 a {
  color: #007BFF;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-index-detail-card h3 a:hover {
  color: #0056b3;
}

.page-index-detail-card p {
  color: #666;
  margin-bottom: 20px;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-index-hero-section {
    flex-direction: column;
    padding: 60px 0;
    min-height: auto;
  }

  .page-index-hero-content {
    padding-right: 0;
    text-align: center;
    margin-bottom: 40px;
  }

  .page-index-hero-buttons {
    justify-content: center;
  }

  .page-index-hero-title {
    font-size: 3em;
  }

  .page-index-hero-description {
    font-size: 1.1em;
  }

  .page-index-hero-image {
    margin-top: 30px;
  }

  .page-index-section-title {
    font-size: 2em;
  }

  .page-index-section-description {
    font-size: 1em;
  }

  .page-index-about-grid, .page-index-features-grid, .page-index-promotions-grid, .page-index-detail-grid {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  .page-index-hero-title {
    font-size: 2.5em;
  }

  .page-index-hero-buttons {
    flex-direction: column;
    gap: 15px;
  }

  .page-index-btn-secondary {
    margin-left: 0;
  }

  .page-index-section-title {
    font-size: 1.8em;
  }

  .page-index-section-description {
    margin-bottom: 40px;
  }

  .page-index-about-item h3, .page-index-feature-card h3, .page-index-promotion-card h3, .page-index-detail-card h3 {
    font-size: 1.4em;
  }

  .page-index-deep-content-section h3 {
    font-size: 1.8em;
  }

  .page-index-deep-content-section h4 {
    font-size: 1.3em;
  }
}

@media (max-width: 480px) {
  .page-index-hero-title {
    font-size: 2em;
  }

  .page-index-hero-description {
    font-size: 1em;
  }

  .page-index-section-title {
    font-size: 1.5em;
  }

  .page-index-section-description {
    font-size: 0.9em;
  }

  .page-index-btn {
    padding: 10px 20px;
    font-size: 0.9em;
  }
}