:root {
      --page-b52casino-primary-color: #f7b32b; /* Vàng cam */
      --page-b52casino-secondary-color: #2c3e50; /* Xám xanh đậm */
      --page-b52casino-accent-color: #e74c3c; /* Đỏ */
      --page-b52casino-text-color: #ecf0f1; /* Trắng nhạt */
      --page-b52casino-dark-bg: #1a1a1a; /* Nền rất tối */
      --page-b52casino-light-bg: #34495e; /* Nền xanh xám */
      --page-b52casino-gradient-start: #3498db;
      --page-b52casino-gradient-end: #8e44ad;
      --page-b52casino-hot-gradient-start: #FF6B6B; /* Đỏ cam */
      --page-b52casino-hot-gradient-end: #FFD166; /* Vàng cam */
    }

    .page-b52casino {
      font-family: 'Arial', sans-serif;
      color: var(--page-b52casino-text-color);
      background-color: var(--page-b52casino-dark-bg);
      line-height: 1.6;
      padding-bottom: 80px; /* Khoảng trống cho nút nổi */
    }

    .page-b52casino-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-b52casino-section {
      padding: 40px 0;
      text-align: center;
    }

    .page-b52casino-section-dark {
      background-color: var(--page-b52casino-light-bg);
    }

    .page-b52casino-section-heading {
      color: var(--page-b52casino-primary-color);
      font-size: 2.5em;
      margin-bottom: 20px;
      text-transform: uppercase;
      font-weight: bold;
    }

    .page-b52casino-section-subheading {
      color: var(--page-b52casino-text-color);
      font-size: 1.8em;
      margin-bottom: 15px;
    }

    .page-b52casino-paragraph {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: var(--page-b52casino-text-color);
      text-align: justify;
    }

    .page-b52casino-button {
      display: inline-block;
      background: linear-gradient(90deg, var(--page-b52casino-gradient-start) 0%, var(--page-b52casino-gradient-end) 100%);
      color: #fff;
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      transition: all 0.3s ease;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      border: none;
      cursor: pointer;
      font-size: 1.1em;
      min-width: 150px; /* Đảm bảo nút có kích thước tối thiểu */
    }

    .page-b52casino-button:hover {
      transform: translateY(-3px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
      opacity: 0.9;
    }

    /* Banner Section */
    .page-b52casino-hero {
      position: relative;
      overflow: hidden;
      padding: 60px 0;
      background-color: var(--page-b52casino-secondary-color);
      text-align: center;
    }

    .page-b52casino-hero-image {
      width: 100%;
      height: 250px; /* Chiều cao cố định cho banner trên di động */
      object-fit: cover;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.5);
      max-width: 90%; /* Đảm bảo ảnh nằm giữa và không chiếm toàn bộ chiều rộng */
    }

    .page-b52casino-hero-content {
      position: relative;
      z-index: 2;
      padding: 20px 0;
    }

    .page-b52casino-hero-title {
      font-size: 2.8em;
      color: var(--page-b52casino-primary-color);
      margin-bottom: 10px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-b52casino-hero-subtitle {
      font-size: 1.4em;
      color: var(--page-b52casino-text-color);
      margin-bottom: 25px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    /* Floating Login Button */
    .page-b52casino-floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      background: linear-gradient(45deg, var(--page-b52casino-hot-gradient-start), var(--page-b52casino-hot-gradient-end)); /* Gradient nóng hơn */
      color: #fff;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.3em;
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4);
      animation: page-b52casino-pulse 2s infinite;
      white-space: nowrap; /* Ngăn chặn văn bản xuống dòng */
      text-align: center;
      display: block;
      width: calc(100% - 40px); /* Điều chỉnh khoảng đệm trên di động */
      max-width: 350px; /* Chiều rộng tối đa cho màn hình lớn hơn */
    }

    .page-b52casino-floating-button:hover {
      animation: none;
      transform: translateX(-50%) translateY(-5px);
      box-shadow: 0 12px 30px rgba(0, 0, 0, 0.5);
    }

    @keyframes page-b52casino-pulse {
      0% { transform: translateX(-50%) scale(1); box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4); }
      50% { transform: translateX(-50%) scale(1.03); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.6); }
      100% { transform: translateX(-50%) scale(1); box-shadow: 0 8px 25px rgba(0, 0, 0, 0.4); }
    }

    /* Game List */
    .page-b52casino-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-b52casino-game-card {
      background-color: var(--page-b52casino-secondary-color);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 15px;
    }

    .page-b52casino-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    .page-b52casino-game-card img {
      width: 100%;
      height: 120px;
      object-fit: cover;
      display: block;
      border-bottom: 2px solid var(--page-b52casino-primary-color);
    }

    .page-b52casino-game-card h3 {
      font-size: 1.2em;
      color: var(--page-b52casino-primary-color);
      margin: 15px 10px 10px;
      min-height: 40px; /* Đảm bảo chiều cao nhất quán cho tiêu đề */
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-b52casino-game-card h3 a {
      color: var(--page-b52casino-primary-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-b52casino-game-card h3 a:hover {
      color: var(--page-b52casino-accent-color);
    }

    /* Features Section */
    .page-b52casino-features-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
      text-align: left;
    }

    .page-b52casino-feature-item {
      background-color: var(--page-b52casino-light-bg);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      display: flex;
      align-items: flex-start;
      gap: 15px;
    }

    .page-b52casino-feature-item i { /* Placeholder for icon */
      font-size: 2em;
      color: var(--page-b52casino-primary-color);
      flex-shrink: 0;
      line-height: 1;
    }

    .page-b52casino-feature-item h3 {
      color: var(--page-b52casino-primary-color);
      font-size: 1.4em;
      margin-top: 0;
      margin-bottom: 10px;
    }

    .page-b52casino-feature-item p {
      color: var(--page-b52casino-text-color);
      font-size: 1em;
      margin-bottom: 0;
    }

    /* Download Section */
    .page-b52casino-download-grid {
      display: flex;
      flex-direction: column;
      gap: 20px;
      margin-top: 30px;
      align-items: center;
    }

    .page-b52casino-download-card {
      background-color: var(--page-b52casino-secondary-color);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      width: 100%;
      max-width: 400px;
      text-align: center;
    }

    .page-b52casino-download-card img {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
    }

    .page-b52casino-download-card h3 {
      color: var(--page-b52casino-primary-color);
      font-size: 1.5em;
      margin-bottom: 15px;
    }

    .page-b52casino-download-card .page-b52casino-button {
      width: 100%;
      padding: 15px;
      font-size: 1.2em;
    }

    /* Payment Methods */
    .page-b52casino-payment-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-b52casino-payment-item {
      background-color: var(--page-b52casino-light-bg);
      padding: 15px 20px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-b52casino-payment-item img {
      height: 30px;
      object-fit: contain;
    }

    .page-b52casino-payment-item span {
      color: var(--page-b52casino-text-color);
      font-weight: bold;
    }

    /* SEO Article Section */
    .page-b52casino-article {
      background-color: var(--page-b52casino-light-bg);
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      text-align: left;
      margin-top: 40px;
    }

    .page-b52casino-article h2 {
      color: var(--page-b52casino-primary-color);
      font-size: 2em;
      margin-bottom: 20px;
    }

    .page-b52casino-article h3 {
      color: var(--page-b52casino-primary-color);
      font-size: 1.5em;
      margin-top: 25px;
      margin-bottom: 15px;
    }

    .page-b52casino-article p {
      color: var(--page-b52casino-text-color);
      margin-bottom: 15px;
    }

    .page-b52casino-article ul {
      list-style-type: disc;
      margin-left: 25px;
      margin-bottom: 15px;
      color: var(--page-b52casino-text-color);
    }

    .page-b52casino-article ul li {
      margin-bottom: 8px;
    }

    .page-b52casino-article strong {
      color: var(--page-b52casino-primary-color);
    }

    /* Responsive adjustments */
    @media (min-width: 768px) {
      .page-b52casino-hero-image {
        height: 350px;
        max-width: 80%;
      }
      .page-b52casino-hero-title {
        font-size: 3.5em;
      }
      .page-b52casino-hero-subtitle {
        font-size: 1.8em;
      }
      .page-b52casino-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }
      .page-b52casino-section-heading {
        font-size: 3em;
      }
      .page-b52casino-download-grid {
        flex-direction: row;
        justify-content: center;
      }
      .page-b52casino-download-card {
        max-width: 300px;
      }
      .page-b52casino-floating-button {
        width: auto;
        padding: 15px 40px;
      }
    }

    @media (min-width: 1024px) {
      .page-b52casino-hero-image {
        height: 450px;
        max-width: 70%;
      }
      .page-b52casino-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      }
    }