/* CSS cho trang chủ */
    :root {
      --page-index-primary-color: #e6b800; /* Màu vàng kim */
      --page-index-secondary-color: #ffffff; /* Trắng */
      --page-index-background-dark: #1a1a1a; /* Xám đen */
      --page-index-background-light: #2c2c2c; /* Xám đậm hơn */
      --page-index-text-color: #ffffff;
      --page-index-accent-text-color: #1a1a1a;
      --page-index-border-color: #444444;
    }

    .page-index {
      font-family: 'Arial', sans-serif;
      color: var(--page-index-text-color);
      background-color: var(--page-index-background-dark);
      line-height: 1.6;
      padding-bottom: 80px; /* Khoảng trống cho nút nổi */
    }

    .page-index-section {
      padding: 20px 15px;
      margin-bottom: 20px;
      background-color: var(--page-index-background-dark);
      text-align: center;
    }

    .page-index-section:nth-of-type(even) {
      background-color: var(--page-index-background-light);
    }

    .page-index-h1, .page-index-h2, .page-index-h3 {
      color: var(--page-index-primary-color);
      margin-bottom: 15px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .page-index-h1 {
      font-size: 2.2em;
      margin-top: 20px;
    }

    .page-index-h2 {
      font-size: 1.8em;
      margin-top: 30px;
    }

    .page-index-h3 {
      font-size: 1.4em;
      margin-top: 25px;
    }

    .page-index-hero {
      background-color: var(--page-index-background-dark);
      padding: 30px 15px;
      text-align: center;
      position: relative;
      overflow: hidden;
    }

    .page-index-hero-image {
      width: 100%;
      height: auto;
      max-height: 250px;
      object-fit: cover;
      border-radius: 8px;
      margin-bottom: 20px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.5);
    }

    .page-index-hero p {
      font-size: 1.1em;
      margin-bottom: 25px;
      color: var(--page-index-secondary-color);
    }

    .page-index-btn {
      display: inline-block;
      background-color: var(--page-index-primary-color);
      color: var(--page-index-accent-text-color);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-index-btn:hover {
      background-color: #ffda47; /* Sáng hơn */
      transform: translateY(-2px);
    }

    .page-index-floating-buttons {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      display: flex;
      justify-content: space-around;
      padding: 10px 0;
      background-color: rgba(0, 0, 0, 0.9);
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.7);
      z-index: 1000;
    }

    .page-index-floating-buttons .page-index-btn {
      width: 45%;
      padding: 10px 0;
      font-size: 1em;
      text-align: center;
      border-radius: 5px;
    }

    .page-index-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
      gap: 15px;
      margin-top: 20px;
    }

    .page-index-game-card {
      background-color: var(--page-index-background-light);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      text-align: center;
      padding: 15px;
    }

    .page-index-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.5);
    }

    .page-index-game-card img {
      width: 80px;
      height: 80px;
      object-fit: contain;
      margin-bottom: 10px;
      border-radius: 5px;
    }

    .page-index-game-card h3 {
      font-size: 1.1em;
      margin: 0;
      color: var(--page-index-primary-color);
    }
    
    .page-index-game-card h3 a {
        color: var(--page-index-primary-color);
        text-decoration: none;
    }

    .page-index-game-card h3 a:hover {
        text-decoration: underline;
    }

    .page-index-promo-list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
      display: flex;
      flex-direction: column;
      gap: 15px;
    }

    .page-index-promo-item {
      background-color: var(--page-index-background-light);
      padding: 15px;
      border-radius: 8px;
      text-align: left;
      display: flex;
      align-items: center;
      gap: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
    }

    .page-index-promo-item img {
      width: 60px;
      height: 60px;
      object-fit: cover;
      border-radius: 5px;
    }

    .page-index-promo-content h4 {
      color: var(--page-index-primary-color);
      margin-top: 0;
      margin-bottom: 5px;
      font-size: 1.2em;
    }

    .page-index-promo-content p {
      font-size: 0.95em;
      color: var(--page-index-secondary-color);
      margin: 0;
    }

    .page-index-advantages-list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
      display: grid;
      grid-template-columns: 1fr;
      gap: 10px;
      text-align: left;
    }

    .page-index-advantages-list li {
      background-color: var(--page-index-background-light);
      padding: 12px 15px;
      border-left: 4px solid var(--page-index-primary-color);
      border-radius: 5px;
      font-size: 1em;
      color: var(--page-index-secondary-color);
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.2);
    }

    .page-index-partner-grid,
    .page-index-payment-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      gap: 10px;
      margin-top: 20px;
    }

    .page-index-partner-item,
    .page-index-payment-item {
      background-color: var(--page-index-background-light);
      padding: 10px;
      border-radius: 8px;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 60px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-index-partner-item img,
    .page-index-payment-item img {
      max-width: 100%;
      max-height: 40px;
      object-fit: contain;
    }

    .page-index-text-content {
      text-align: left;
      color: var(--page-index-secondary-color);
      font-size: 0.95em;
    }

    .page-index-text-content p {
      margin-bottom: 1em;
    }

    /* Media Queries cho desktop */
    @media (min-width: 768px) {
      .page-index-section {
        padding: 40px 50px;
      }

      .page-index-h1 {
        font-size: 3em;
      }

      .page-index-h2 {
        font-size: 2.2em;
      }

      .page-index-h3 {
        font-size: 1.6em;
      }

      .page-index-hero {
        padding: 60px 50px;
      }

      .page-index-hero-image {
        max-height: 400px;
      }

      .page-index-hero p {
        font-size: 1.2em;
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
      }

      .page-index-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
        gap: 25px;
        max-width: 1000px;
        margin-left: auto;
        margin-right: auto;
      }

      .page-index-game-card img {
        width: 100px;
        height: 100px;
      }

      .page-index-promo-list {
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
        gap: 20px;
      }

      .page-index-promo-item img {
        width: 80px;
        height: 80px;
      }

      .page-index-advantages-list {
        grid-template-columns: repeat(2, 1fr);
        max-width: 800px;
        margin-left: auto;
        margin-right: auto;
        gap: 15px;
      }

      .page-index-partner-grid,
      .page-index-payment-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
        max-width: 900px;
        margin-left: auto;
        margin-right: auto;
        gap: 20px;
      }

      .page-index-partner-item,
      .page-index-payment-item {
        height: 80px;
      }

      .page-index-partner-item img,
      .page-index-payment-item img {
        max-height: 50px;
      }

      .page-index-floating-buttons {
        display: none; /* Ẩn trên desktop */
      }

      .page-index {
        padding-bottom: 0; /* Không cần khoảng trống trên desktop */
      }
    }