:root {
      --page-hb88-primary-color: #e6b300; /* Vàng kim */
      --page-hb88-secondary-color: #007bff; /* Xanh dương */
      --page-hb88-dark-bg: #1a1a1a; /* Xám đen */
      --page-hb88-light-text: #f0f0f0; /* Xám nhạt */
      --page-hb88-medium-grey: #333; /* Xám trung bình */
    }

    .page-hb88 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--page-hb88-light-text);
      background-color: var(--page-hb88-dark-bg);
      line-height: 1.6;
      overflow-x: hidden;
      padding-bottom: 80px; /* Khoảng trống cho nút nổi */
    }

    .page-hb88-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 15px;
    }

    .page-hb88-hero {
      position: relative;
      text-align: center;
      padding: 20px 0;
      overflow: hidden;
    }

    .page-hb88-hero-banner {
      width: 100%;
      height: auto;
      max-height: 400px; /* Giới hạn chiều cao banner */
      object-fit: cover;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
    }

    .page-hb88-hero-content {
      position: relative;
      z-index: 2;
      padding: 20px 15px;
      background: linear-gradient(180deg, rgba(26, 26, 26, 0.8) 0%, rgba(26, 26, 26, 0.95) 100%);
      margin-top: -50px; /* Tạo hiệu ứng chồng lấp với banner */
      border-radius: 8px;
    }

    .page-hb88-title {
      color: var(--page-hb88-primary-color);
      font-size: 2.2em;
      margin-bottom: 10px;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.5);
    }

    .page-hb88-subtitle {
      color: var(--page-hb88-light-text);
      font-size: 1.2em;
      margin-bottom: 20px;
    }

    .page-hb88-button {
      display: inline-block;
      background-color: var(--page-hb88-primary-color);
      color: var(--page-hb88-dark-bg);
      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-hb88-button:hover {
      background-color: #ffda44; /* Vàng nhạt hơn */
      transform: translateY(-2px);
    }

    .page-hb88-section {
      padding: 40px 0;
      text-align: center;
    }

    .page-hb88-section-title {
      color: var(--page-hb88-primary-color);
      font-size: 1.8em;
      margin-bottom: 25px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-hb88-section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: var(--page-hb88-primary-color);
      border-radius: 2px;
    }

    .page-hb88-text-content {
      max-width: 800px;
      margin: 0 auto;
      text-align: left;
      padding: 0 15px;
    }

    .page-hb88-text-content p {
      margin-bottom: 15px;
      color: var(--page-hb88-light-text);
    }

    .page-hb88-text-content strong {
      color: var(--page-hb88-primary-color);
    }

    .page-hb88-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      padding: 20px 15px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .page-hb88-game-card {
      background-color: var(--page-hb88-medium-grey);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }

    .page-hb88-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.6);
    }

    .page-hb88-game-card img {
      width: 100%;
      height: 120px;
      object-fit: cover;
      display: block;
    }

    .page-hb88-game-card-title {
      color: var(--page-hb88-light-text);
      font-size: 1.1em;
      padding: 10px;
      margin: 0;
      text-align: center;
      flex-grow: 1;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-hb88-game-card-link {
      color: var(--page-hb88-light-text);
      text-decoration: none;
      display: block;
    }

    .page-hb88-game-card-link:hover .page-hb88-game-card-title {
      color: var(--page-hb88-primary-color);
    }

    .page-hb88-features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      padding: 20px 15px;
      max-width: 1000px;
      margin: 0 auto;
    }

    .page-hb88-feature-item {
      background-color: var(--page-hb88-medium-grey);
      padding: 25px;
      border-radius: 10px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      text-align: center;
    }

    .page-hb88-feature-item h3 {
      color: var(--page-hb88-primary-color);
      font-size: 1.4em;
      margin-bottom: 10px;
    }

    .page-hb88-feature-item p {
      color: var(--page-hb88-light-text);
      font-size: 0.95em;
      margin-bottom: 0;
    }

    .page-hb88-qr-code {
      max-width: 180px;
      height: auto;
      border: 5px solid var(--page-hb88-primary-color);
      border-radius: 10px;
    }

    .page-hb88-floating-buttons {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      display: flex;
      justify-content: space-around;
      padding: 10px 0;
      background-color: rgba(26, 26, 26, 0.95);
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
      z-index: 1000;
    }

    .page-hb88-floating-buttons .page-hb88-button {
      flex: 1;
      margin: 0 5px;
      font-size: 1em;
      padding: 10px 15px;
      text-align: center;
    }

    .page-hb88-floating-buttons .page-hb88-register-button {
      background-color: var(--page-hb88-primary-color);
      color: var(--page-hb88-dark-bg);
    }

    .page-hb88-floating-buttons .page-hb88-login-button {
      background-color: var(--page-hb88-secondary-color);
      color: var(--page-hb88-light-text);
    }

    .page-hb88-floating-buttons .page-hb88-login-button:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    @media (max-width: 768px) {
      .page-hb88-title {
        font-size: 1.8em;
      }
      .page-hb88-subtitle {
        font-size: 1em;
      }
      .page-hb88-section-title {
        font-size: 1.5em;
      }
      .page-hb88-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-hb88-game-card img {
        height: 100px;
      }
      .page-hb88-game-card-title {
        font-size: 0.9em;
      }
      .page-hb88-features-grid {
        grid-template-columns: 1fr;
      }
      .page-hb88-floating-buttons .page-hb88-button {
        font-size: 0.9em;
        padding: 8px 10px;
      }
    }