.page-index {
  font-family: 'Arial', sans-serif;
  color: #FFF5E1; /* Text Main */
  background-color: #B71C1C; /* Background */
  line-height: 1.6;
}

.page-index__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-index__main-title {
  font-size: clamp(2.2rem, 5vw, 3.5rem);
  font-weight: 700;
  color: #F4D34D; /* Gold */
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.2;
}

.page-index__section-title {
  font-size: clamp(1.8rem, 4vw, 2.8rem);
  font-weight: 700;
  color: #F4D34D; /* Gold */
  text-align: center;
  margin-bottom: 20px;
  line-height: 1.3;
}

.page-index__section-description {
  font-size: 1.1rem;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px;
  color: #FFF5E1; /* Text Main */
}

.page-index__text-link {
  color: #F2B544; /* Border */
  text-decoration: underline;
  transition: color 0.3s ease;
}

.page-index__text-link:hover {
  color: #FFCC66; /* Glow */
}

/* HERO 主图区域 */
.page-index__hero-section {
  position: relative;
  padding-bottom: 0;
  padding-left: 0;
  padding-right: 0;
  padding-top: 10px; /* Assuming shared.css handles body padding-top */
  margin-top: 0;
  background-color: #B71C1C; /* Background */
}

.page-index__hero-container {
  position: relative;
  margin: 0 auto;
}

.page-index__hero-image {
  width: 100%;
  margin: 0;
}

.page-index__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  object-fit: cover;
}

/* Sản phẩm hiển thị khu vực */
.page-index__products-section {
  width: 100%;
  padding: 60px 20px;
  background-color: #7A0E0E; /* Deep Red */
  box-sizing: border-box;
}

.page-index__products-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 4fr 2fr; /* 4 items take 4 parts, 2 items take 2 parts */
  gap: 20px;
}

.page-index__products-grid {
  display: grid;
  gap: 20px;
}

.page-index__products-grid--small {
  grid-template-columns: repeat(4, 1fr);
}

.page-index__products-grid--large {
  grid-template-columns: repeat(2, 1fr);
}

.page-index__product-card {
  width: 100%;
  max-width: 300px; /* Max width for each card */
  border-radius: 0;
  overflow: hidden;
  background: transparent;
  box-shadow: none;
  transition: transform 0.3s ease;
  justify-self: center; /* Center items in grid */
}

.page-index__product-card:hover {
  transform: translateY(-5px);
}

.page-index__product-card-link {
  display: block;
  text-decoration: none;
  color: inherit;
}

.page-index__product-card-image {
  width: 100%;
  max-width: 300px;
  overflow: hidden;
}

.page-index__product-card-image img {
  max-width: 100%;
  width: 100%;
  height: auto; /* Maintain aspect ratio */
  display: block;
}

/* Giới thiệu trang chủ */
.page-index__introduction-section {
  padding: 60px 20px;
  background-color: #B71C1C; /* Background */
  color: #FFF5E1; /* Text Main */
}

.page-index__features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__feature-item {
  background-color: #D32F2F; /* Card BG */
  padding: 30px;
  border-radius: 8px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
}

.page-index__feature-title {
  font-size: 1.5rem;
  color: #F4D34D; /* Gold */
  margin-bottom: 15px;
}

.page-index__feature-item p {
  font-size: 1rem;
  line-height: 1.6;
  color: #FFF5E1;
}

/* Liên kết nhanh */
.page-index__quick-links-section {
  padding: 60px 20px;
  background-color: #E53935; /* Accent color */
  color: #FFF5E1;
}

.page-index__button-group {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 20px;
  margin-top: 40px;
}

.page-index__btn-primary,
.page-index__btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 15px 30px;
  border-radius: 50px;
  font-weight: bold;
  text-decoration: none;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
  box-sizing: border-box;
  max-width: 100%;
}

.page-index__btn-primary {
  background: linear-gradient(180deg, #FFD86A 0%, #E6B800 100%);
  color: #7A0E0E; /* Deep Red for contrast */
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-index__btn-primary:hover {
  background: linear-gradient(180deg, #E6B800 0%, #FFD86A 100%);
  transform: translateY(-3px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
}

.page-index__btn-secondary {
  background-color: transparent;
  color: #F4D34D; /* Gold */
  border: 2px solid #F2B544; /* Border */
}

.page-index__btn-secondary:hover {
  background-color: #F2B544;
  color: #7A0E0E; /* Deep Red */
  transform: translateY(-3px);
}

.page-index__btn-lg {
  min-width: 200px;
  font-size: 1.1rem;
}

.page-index__btn-sm {
  font-size: 0.9rem;
  padding: 10px 20px;
}

/* Tổng quan trò chơi */
.page-index__games-overview-section {
  padding: 60px 20px;
  background-color: #B71C1C; /* Background */
  color: #FFF5E1; /* Text Main */
}

.page-index__game-category {
  margin-bottom: 60px;
  text-align: center;
}

.page-index__game-category:last-child {
  margin-bottom: 0;
}

.page-index__game-title {
  font-size: 2rem;
  color: #F4D34D; /* Gold */
  margin-bottom: 20px;
}

.page-index__game-image {
  width: 100%;
  max-width: 800px;
  height: auto;
  border-radius: 8px;
  margin: 0 auto 30px;
  display: block;
  box-shadow: 0 8px 25px rgba(0, 0, 0, 0.3);
}

.page-index__game-category p {
  max-width: 900px;
  margin: 0 auto 20px;
  font-size: 1rem;
  line-height: 1.7;
}

.page-index__game-list {
  list-style: none;
  padding: 0;
  margin: 20px auto 30px;
  max-width: 700px;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 10px;
  text-align: left;
}

.page-index__game-list li {
  background-color: #D32F2F; /* Card BG */
  padding: 10px 15px;
  border-radius: 5px;
  color: #FFF5E1;
  font-size: 0.95rem;
  display: flex;
  align-items: center;
}

.page-index__game-list li::before {
  content: '✓';
  color: #FFCC66; /* Glow */
  margin-right: 10px;
  font-weight: bold;
}

/* Ưu đãi */
.page-index__promotions-section {
  padding: 60px 20px;
  background-color: #E53935; /* Accent color */
  color: #FFF5E1;
}

.page-index__promotion-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__promotion-card {
  background-color: #D32F2F; /* Card BG */
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  padding-bottom: 20px;
}

.page-index__promotion-image {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 20px;
}

.page-index__promotion-title {
  font-size: 1.4rem;
  color: #F4D34D; /* Gold */
  margin-bottom: 15px;
  padding: 0 15px;
}

.page-index__promotion-card p {
  font-size: 0.95rem;
  color: #FFF5E1;
  padding: 0 15px;
  margin-bottom: 20px;
}

/* Bảo mật & Hỗ trợ */
.page-index__security-support-section {
  padding: 60px 20px;
  background-color: #B71C1C; /* Background */
  color: #FFF5E1;
}

.page-index__info-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__info-card {
  background-color: #D32F2F; /* Card BG */
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  padding-bottom: 20px;
}

.page-index__info-title {
  font-size: 1.5rem;
  color: #F4D34D; /* Gold */
  margin-bottom: 15px;
  padding: 20px 15px 0;
}

.page-index__info-image {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 20px;
}

.page-index__info-card p {
  font-size: 1rem;
  color: #FFF5E1;
  padding: 0 15px;
  line-height: 1.6;
}

/* FAQ */
.page-index__faq-section {
  padding: 60px 20px;
  background-color: #C91F17; /* Main color, slightly different shade */
  color: #FFF5E1;
}

.page-index__faq-list {
  margin-top: 40px;
}

details.page-index__faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  border: 1px solid #F2B544; /* Border */
  overflow: hidden;
  background-color: #D32F2F; /* Card BG */
  box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
}

details.page-index__faq-item summary.page-index__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px;
  cursor: pointer;
  user-select: none;
  list-style: none;
  transition: background-color 0.3s ease;
}

details.page-index__faq-item summary.page-index__faq-question::-webkit-details-marker {
  display: none;
}

details.page-index__faq-item summary.page-index__faq-question:hover {
  background-color: #E53935; /* Accent color */
}

.page-index__faq-qtext {
  flex: 1;
  font-size: 1.1rem;
  font-weight: 600;
  line-height: 1.5;
  text-align: left;
  color: #F4D34D; /* Gold */
}

.page-index__faq-toggle {
  font-size: 24px;
  font-weight: bold;
  color: #FFCC66; /* Glow */
  flex-shrink: 0;
  margin-left: 15px;
  width: 28px;
  text-align: center;
  transition: transform 0.3s ease;
}

details.page-index__faq-item[open] .page-index__faq-toggle {
  transform: rotate(45deg);
}

details.page-index__faq-item .page-index__faq-answer {
  padding: 0 20px 20px;
  background-color: #7A0E0E; /* Deep Red */
  border-radius: 0 0 8px 8px;
  font-size: 1rem;
  line-height: 1.7;
  color: #FFF5E1;
}

/* Blog mới nhất */
.page-index__latest-blog-section {
  padding: 60px 20px;
  background-color: #B71C1C; /* Background */
  color: #FFF5E1;
}

.page-index__blog-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-index__blog-card {
  background-color: #D32F2F; /* Card BG */
  border-radius: 8px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
  text-align: left;
}

.page-index__blog-image {
  width: 100%;
  height: auto;
  display: block;
}

.page-index__blog-content {
  padding: 20px;
}

.page-index__blog-title {
  font-size: 1.3rem;
  margin-bottom: 10px;
}

.page-index__blog-title a {
  color: #F4D34D; /* Gold */
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-index__blog-title a:hover {
  color: #FFCC66; /* Glow */
}

.page-index__blog-excerpt {
  font-size: 0.95rem;
  color: #FFF5E1;
  margin-bottom: 15px;
}

.page-index__blog-date {
  font-size: 0.85rem;
  color: #F2B544; /* Border */
  display: block;
  margin-bottom: 15px;
}

.page-index__btn-link {
  color: #FFCC66; /* Glow */
  text-decoration: none;
  font-weight: bold;
  transition: color 0.3s ease;
}

.page-index__btn-link:hover {
  color: #F4D34D; /* Gold */
}

.page-index__view-all-button {
  text-align: center;
  margin-top: 40px;
}

/* ---------------------------------------------------------------------- */
/* 🚨 Mobile Responsive Styles (max-width: 768px) - Bắt buộc phải có */
/* ---------------------------------------------------------------------- */

@media (max-width: 1024px) {
  .page-index__products-container {
    grid-template-columns: 1fr; /* Stack product grids vertically */
  }

  .page-index__products-grid--small {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-index__products-grid--large {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-index__features {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  }

  .page-index__promotion-cards,
  .page-index__info-cards,
  .page-index__blog-cards {
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  }
}

@media (max-width: 768px) {
  /* HERO 主图区域 */
  .page-index__hero-section {
    padding-top: 10px !important; /* Fixed header spacing */
    padding-left: 0;
    padding-right: 0;
  }

  .page-index__hero-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }

  /* Sản phẩm hiển thị khu vực */
  .page-index__products-section {
    padding: 40px 15px;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }

  .page-index__products-container {
    grid-template-columns: 1fr !important; /* Stack product grids vertically */
    gap: 15px;
    width: 100% !important;
    max-width: 100% !important;
    overflow-x: hidden !important;
    box-sizing: border-box !important;
  }

  /* 前4张图 - 4宫格布局（2x2），保持图片原始宽高比，最宽300px */
  .page-index__products-grid--small {
    grid-template-columns: repeat(2, 1fr) !important;
    gap: 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-index__products-grid--small .page-index__product-card,
  .page-index__products-grid--small .page-index__product-card-image {
    max-width: 100% !important; /* Allow cards to take full available width in their grid cell */
  }

  .page-index__products-grid--small .page-index__product-card-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important; /* Maintain aspect ratio */
  }

  /* 后面2张大图 - Mỗi cái một hàng, giữ nguyên tỷ lệ khung hình gốc, chiều rộng tối đa 300px */
  .page-index__products-grid--large {
    grid-template-columns: 1fr !important;
    gap: 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-index__products-grid--large .page-index__product-card,
  .page-index__products-grid--large .page-index__product-card-image {
    max-width: 100% !important;
  }

  .page-index__products-grid--large .page-index__product-card-image img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important; /* Maintain aspect ratio */
  }

  /* Thông tin chung và các khối nội dung */
  .page-index__container {
    padding: 20px 15px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
  }

  .page-index__main-title {
    font-size: 2rem;
  }

  .page-index__section-title {
    font-size: 1.6rem;
  }

  .page-index__section-description {
    font-size: 1rem;
    margin-bottom: 20px;
  }

  .page-index p,
  .page-index li {
    font-size: 0.95rem;
  }

  /* Nút và nhóm nút */
  .page-index__button-group {
    flex-direction: column;
    gap: 10px;
    width: 100% !important;
    max-width: 100% !important;
    box-sizing: border-box !important;
    padding: 0 15px;
  }

  .page-index__btn-primary,
  .page-index__btn-secondary,
  .page-index a[class*="button"],
  .page-index a[class*="btn"] {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding: 12px 15px;
    font-size: 1rem;
  }

  /* Các khối tính năng */
  .page-index__features {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-index__feature-item {
    padding: 25px;
  }

  /* Tổng quan trò chơi */
  .page-index__game-image {
    border-radius: 4px;
  }

  .page-index__game-list {
    grid-template-columns: 1fr;
    gap: 8px;
  }

  /* Khuyến mãi */
  .page-index__promotion-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-index__promotion-card {
    padding-bottom: 15px;
  }

  .page-index__promotion-title {
    font-size: 1.2rem;
  }

  /* Bảo mật & Hỗ trợ */
  .page-index__info-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-index__info-title {
    font-size: 1.3rem;
    padding-top: 15px;
  }

  /* FAQ */
  details.page-index__faq-item summary.page-index__faq-question {
    padding: 15px;
  }

  .page-index__faq-qtext {
    font-size: 1rem;
  }

  .page-index__faq-toggle {
    font-size: 20px;
    width: 24px;
  }

  details.page-index__faq-item .page-index__faq-answer {
    padding: 0 15px 15px;
  }

  /* Blog */
  .page-index__blog-cards {
    grid-template-columns: 1fr;
    gap: 20px;
  }

  .page-index__blog-content {
    padding: 15px;
  }

  .page-index__blog-title {
    font-size: 1.1rem;
  }

  .page-index__blog-excerpt {
    font-size: 0.9rem;
  }
}