:root {
      --page-pg88trang-primary-bg: #1a1a2e;
      --page-pg88trang-secondary-bg: #0f3460;
      --page-pg88trang-accent-color: #e94560;
      --page-pg88trang-text-color: #ffffff;
      --page-pg88trang-light-text: #cccccc;
      --page-pg88trang-border-color: #2e4a81;
      --page-pg88trang-button-hover: #c2314a;
    }

    .page-pg88trang {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-pg88trang-primary-bg);
      color: var(--page-pg88trang-text-color);
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 150px; /* Vùng an toàn cho header/menu cố định */
    }

    .page-pg88trang-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-pg88trang-section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-pg88trang-secondary-bg);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
    }
    .page-pg88trang-section:nth-child(even) {
      background-color: var(--page-pg88trang-primary-bg);
      border: 1px solid var(--page-pg88trang-border-color);
    }

    .page-pg88trang-title {
      color: var(--page-pg88trang-accent-color);
      font-size: 2.5em;
      margin-bottom: 20px;
      text-transform: uppercase;
      font-weight: bold;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-pg88trang-subtitle {
      color: var(--page-pg88trang-text-color);
      font-size: 1.8em;
      margin-bottom: 15px;
    }

    .page-pg88trang-text {
      font-size: 1.1em;
      color: var(--page-pg88trang-light-text);
      margin-bottom: 20px;
    }

    .page-pg88trang-btn {
      display: inline-block;
      background-color: var(--page-pg88trang-accent-color);
      color: var(--page-pg88trang-text-color);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
    }

    .page-pg88trang-btn:hover {
      background-color: var(--page-pg88trang-button-hover);
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-pg88trang-hero {
      background-color: var(--page-pg88trang-primary-bg);
      padding: 0;
      border-radius: 0;
      box-shadow: none;
      margin-bottom: 0;
    }
    .page-pg88trang-hero-content {
      padding: 20px;
      max-width: 800px;
      margin: 0 auto;
    }
    .page-pg88trang-hero img {
      width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 10px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
      max-width: 900px; /* Giới hạn kích thước ảnh hero cho desktop */
    }
    .page-pg88trang-hero .page-pg88trang-title {
      font-size: 2.2em;
      margin-top: 20px;
      margin-bottom: 10px;
    }
    .page-pg88trang-hero .page-pg88trang-text {
      font-size: 1em;
      margin-bottom: 25px;
    }

    /* Game Categories */
    .page-pg88trang-games-grid,
    .page-pg88trang-providers-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-pg88trang-game-card,
    .page-pg88trang-provider-card {
      background-color: var(--page-pg88trang-primary-bg);
      border: 1px solid var(--page-pg88trang-border-color);
      border-radius: 10px;
      padding: 15px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-pg88trang-game-card:hover,
    .page-pg88trang-provider-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
    }

    .page-pg88trang-game-card img,
    .page-pg88trang-provider-card img {
      width: 100%;
      max-width: 120px;
      height: auto;
      border-radius: 8px;
      margin-bottom: 10px;
    }

    .page-pg88trang-game-card a,
    .page-pg88trang-provider-card a {
      color: var(--page-pg88trang-text-color);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      display: block;
    }

    .page-pg88trang-game-card a:hover,
    .page-pg88trang-provider-card a:hover {
      color: var(--page-pg88trang-accent-color);
    }

    /* Promotions */
    .page-pg88trang-promotion-item {
      display: flex;
      flex-direction: column;
      align-items: center;
      margin-bottom: 25px;
      text-align: center;
    }
    .page-pg88trang-promotion-item img {
      width: 100%;
      max-width: 300px;
      height: auto;
      border-radius: 10px;
      margin-bottom: 15px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }
    .page-pg88trang-promotion-item h3 {
      color: var(--page-pg88trang-accent-color);
      font-size: 1.5em;
      margin-bottom: 10px;
    }
    .page-pg88trang-promotion-item p {
      color: var(--page-pg88trang-light-text);
      margin-bottom: 15px;
    }

    /* Guide Section */
    .page-pg88trang-guide-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 30px;
    }
    .page-pg88trang-step {
      background-color: var(--page-pg88trang-primary-bg);
      border: 1px solid var(--page-pg88trang-border-color);
      border-radius: 8px;
      padding: 20px;
      text-align: left;
      display: flex;
      align-items: flex-start;
      gap: 15px;
    }
    .page-pg88trang-step-icon {
      font-size: 2em;
      color: var(--page-pg88trang-accent-color);
      flex-shrink: 0;
    }
    .page-pg88trang-step-content h3 {
      color: var(--page-pg88trang-accent-color);
      margin-top: 0;
      margin-bottom: 5px;
      font-size: 1.4em;
    }
    .page-pg88trang-step-content p {
      color: var(--page-pg88trang-light-text);
      margin: 0;
    }

    /* FAQ Section */
    .page-pg88trang-faq-item {
      background-color: var(--page-pg88trang-primary-bg);
      border: 1px solid var(--page-pg88trang-border-color);
      border-radius: 8px;
      margin-bottom: 10px;
      text-align: left;
    }
    .page-pg88trang-faq-question {
      padding: 15px 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: bold;
      color: var(--page-pg88trang-text-color);
      font-size: 1.1em;
    }
    .page-pg88trang-faq-question::after {
      content: '+';
      font-size: 1.2em;
      transition: transform 0.3s ease;
    }
    .page-pg88trang-faq-question.active::after {
      content: '-';
      transform: rotate(180deg);
    }
    .page-pg88trang-faq-answer {
      padding: 0 20px 15px;
      color: var(--page-pg88trang-light-text);
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.3s ease-out, padding 0.3s ease-out;
    }
    .page-pg88trang-faq-answer.active {
      max-height: 200px; /* Điều chỉnh khi cần */
      padding-top: 10px;
    }

    /* Floating Button */
    .page-pg88trang-floating-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-pg88trang-accent-color);
      color: var(--page-pg88trang-text-color);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.4);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      animation: page-pg88trang-pulse 2s infinite;
    }

    .page-pg88trang-floating-btn:hover {
      background-color: var(--page-pg88trang-button-hover);
      transform: scale(1.05);
      animation: none;
    }

    @keyframes page-pg88trang-pulse {
      0% {
        box-shadow: 0 0 0 0 rgba(233, 69, 96, 0.7);
      }
      70% {
        box-shadow: 0 0 0 20px rgba(233, 69, 96, 0);
      }
      100% {
        box-shadow: 0 0 0 0 rgba(233, 69, 96, 0);
      }
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-pg88trang-title {
        font-size: 2em;
      }
      .page-pg88trang-subtitle {
        font-size: 1.5em;
      }
      .page-pg88trang-hero .page-pg88trang-title {
        font-size: 1.8em;
      }
      .page-pg88trang-games-grid,
      .page-pg88trang-providers-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-pg88trang-game-card img,
      .page-pg88trang-provider-card img {
        max-width: 80px;
      }
      .page-pg88trang-floating-btn {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }
      .page-pg88trang-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
    }

    @media (max-width: 480px) {
      .page-pg88trang-title {
        font-size: 1.8em;
      }
      .page-pg88trang-hero .page-pg88trang-title {
        font-size: 1.5em;
      }
      .page-pg88trang-games-grid,
      .page-pg88trang-providers-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .page-pg88trang-section {
        padding: 30px 15px;
      }
      .page-pg88trang {
        padding-top: 120px; /* Điều chỉnh vùng an toàn cho màn hình nhỏ hơn */
      }
    }