/* CSS toàn cục cho trang sun 52 */
    :root {
      --page-sun52-primary-color: #004080; /* Màu xanh đậm */
      --page-sun52-secondary-color: #FFD700; /* Màu vàng kim */
      --page-sun52-accent-color: #DC143C; /* Màu đỏ nổi bật */
      --page-sun52-text-dark: #333;
      --page-sun52-text-light: #fff;
      --page-sun52-bg-light: #f8f9fa;
      --page-sun52-bg-dark: #212529;
    }

    .page-sun52 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-sun52-text-dark);
      background-color: var(--page-sun52-bg-light);
      overflow-x: hidden; /* Ngăn chặn cuộn ngang */
    }

    .page-sun52-section {
      padding: 40px 15px;
      margin-bottom: 20px;
      background-color: var(--page-sun52-bg-light);
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
      text-align: center;
    }

    .page-sun52-section.page-sun52-dark-bg {
      background-color: var(--page-sun52-bg-dark);
      color: var(--page-sun52-text-light);
    }

    .page-sun52-section.page-sun52-dark-bg h2,
    .page-sun52-section.page-sun52-dark-bg h3 {
      color: var(--page-sun52-secondary-color);
    }

    .page-sun52-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-sun52-header-banner {
      background: linear-gradient(rgba(0, 0, 0, 0.5), rgba(0, 0, 0, 0.5)), url('[GALLERY:banner:sun52_hero,casino,betting]') no-repeat center center;
      background-size: cover;
      color: var(--page-sun52-text-light);
      padding: 80px 15px;
      text-align: center;
      position: relative;
      min-height: 300px;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    .page-sun52-header-banner h1 {
      font-size: 2.5em;
      margin-bottom: 10px;
      color: var(--page-sun52-secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-sun52-header-banner p {
      font-size: 1.1em;
      margin-bottom: 30px;
      max-width: 700px;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }

    .page-sun52-btn {
      display: inline-block;
      background-color: var(--page-sun52-accent-color);
      color: var(--page-sun52-text-light);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      box-shadow: 0 4px 6px rgba(0, 0, 0, 0.2);
    }

    .page-sun52-btn:hover {
      background-color: #a0102d; /* Màu đỏ đậm hơn */
    }

    .page-sun52-floating-btn {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      width: calc(100% - 40px);
      max-width: 300px;
      background: linear-gradient(90deg, var(--page-sun52-accent-color), #FF4500); /* Gradient đỏ cam */
      color: var(--page-sun52-text-light);
      padding: 15px 20px;
      border-radius: 30px;
      text-align: center;
      font-size: 1.1em;
      font-weight: bold;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      animation: page-sun52-pulse 1.5s infinite;
      text-decoration: none; /* Đảm bảo nút không có gạch chân */
    }

    .page-sun52-floating-btn:hover {
      background: linear-gradient(90deg, #FF4500, var(--page-sun52-accent-color));
      animation: none;
    }

    @keyframes page-sun52-pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.05); }
      100% { transform: translateX(-50%) scale(1); }
    }

    .page-sun52-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-sun52-game-card {
      background-color: var(--page-sun52-text-light);
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      padding-bottom: 15px;
    }

    .page-sun52-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    }

    .page-sun52-game-card img {
      width: 100%;
      height: 120px;
      object-fit: cover;
      display: block;
      margin-bottom: 10px;
    }

    .page-sun52-game-card h3 {
      font-size: 1.2em;
      color: var(--page-sun52-primary-color);
      margin: 0 10px 10px;
    }

    .page-sun52-game-card p {
      font-size: 0.9em;
      color: var(--page-sun52-text-dark);
      padding: 0 10px;
    }

    .page-sun52-advantages-list {
      list-style: none;
      padding: 0;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-sun52-advantages-list li {
      background-color: var(--page-sun52-text-light);
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      flex: 1 1 calc(100% - 40px);
      max-width: 350px;
      text-align: left;
      border-left: 5px solid var(--page-sun52-primary-color);
    }

    .page-sun52-advantages-list li strong {
      color: var(--page-sun52-primary-color);
      font-size: 1.1em;
      display: block;
      margin-bottom: 5px;
    }

    .page-sun52-cta-banner {
      background: linear-gradient(135deg, var(--page-sun52-primary-color), #0056b3);
      color: var(--page-sun52-text-light);
      padding: 60px 15px;
      text-align: center;
      border-radius: 8px;
      margin-top: 40px;
    }

    .page-sun52-cta-banner h2 {
      color: var(--page-sun52-secondary-color);
      margin-bottom: 20px;
      font-size: 2em;
    }

    /* Responsive adjustments */
    @media (min-width: 600px) {
      .page-sun52-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      }
      .page-sun52-advantages-list li {
        flex: 1 1 calc(50% - 30px);
      }
    }

    @media (min-width: 768px) {
      .page-sun52-header-banner h1 {
        font-size: 3.5em;
      }
      .page-sun52-header-banner p {
        font-size: 1.2em;
      }
      .page-sun52-floating-btn {
        width: auto;
        max-width: none;
        padding: 15px 30px;
        bottom: 30px;
        right: 30px;
        left: auto;
        transform: translateX(0);
      }
      .page-sun52-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
      }
      .page-sun52-advantages-list li {
        flex: 1 1 calc(33.333% - 20px);
      }
    }

    @media (min-width: 1024px) {
      .page-sun52-header-banner {
        padding: 120px 15px;
      }
      .page-sun52-header-banner h1 {
        font-size: 4em;
      }
      .page-sun52-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      }
    }