:root {
      --page-w88-primary-color: #e44d26; /* Cam đỏ */
      --page-w88-secondary-color: #333;
      --page-w88-accent-color: #ffcc00; /* Vàng */
      --page-w88-text-color: #f0f0f0;
      --page-w88-bg-color: #1a1a1a;
      --page-w88-card-bg: #2a2a2a;
      --page-w88-border-color: #444;
      --page-w88-button-hover: #f76b1c;
    }

    .page-w88 {
      font-family: 'Arial', sans-serif;
      background-color: var(--page-w88-bg-color);
      color: var(--page-w88-text-color);
      line-height: 1.6;
      padding-bottom: 80px; /* Để tránh che mất bởi nút nổi */
    }

    .page-w88 a {
      color: var(--page-w88-primary-color);
      text-decoration: none;
    }

    .page-w88 a:hover {
      text-decoration: underline;
    }

    .page-w88-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 15px;
    }

    /* Hero Section */
    .page-w88-hero {
      text-align: center;
      padding: 0;
      background: linear-gradient(rgba(0, 0, 0, 0.7), rgba(0, 0, 0, 0.7));
      position: relative;
      overflow: hidden;
    }

    .page-w88-hero-banner {
      width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      object-fit: cover;
    }

    .page-w88-hero-content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      width: 90%;
      max-width: 800px;
      z-index: 1;
      padding: 20px;
      background: rgba(0, 0, 0, 0.6);
      border-radius: 10px;
    }

    .page-w88-hero h1 {
      font-size: 2.5em;
      color: var(--page-w88-accent-color);
      margin-bottom: 10px;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.7);
    }

    .page-w88-hero p {
      font-size: 1.1em;
      color: var(--page-w88-text-color);
      margin-bottom: 20px;
    }

    .page-w88-btn {
      display: inline-block;
      background-color: var(--page-w88-primary-color);
      color: #fff;
      padding: 12px 25px;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease;
      cursor: pointer;
      border: none;
      font-size: 1em;
    }

    .page-w88-btn:hover {
      background-color: var(--page-w88-button-hover);
      text-decoration: none;
    }

    /* Floating Login Button */
    .page-w88-floating-btn {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      animation: page-w88-pulse 1.5s infinite;
    }

    .page-w88-floating-btn .page-w88-btn {
      padding: 15px 30px;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    @keyframes page-w88-pulse {
      0% { transform: scale(1); box-shadow: 0 0 0 0 rgba(228, 77, 38, 0.7); }
      70% { transform: scale(1.05); box-shadow: 0 0 0 20px rgba(228, 77, 38, 0); }
      100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(228, 77, 38, 0); }
    }

    /* Sections */
    .page-w88-section {
      padding: 40px 0;
      border-bottom: 1px solid var(--page-w88-border-color);
    }

    .page-w88-section:last-of-type {
      border-bottom: none;
    }

    .page-w88-section h2 {
      text-align: center;
      font-size: 2em;
      color: var(--page-w88-primary-color);
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-w88-section h2::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: var(--page-w88-accent-color);
      border-radius: 2px;
    }

    .page-w88-section h3 {
      font-size: 1.5em;
      color: var(--page-w88-accent-color);
      margin-top: 20px;
      margin-bottom: 15px;
    }

    .page-w88-section p, .page-w88-section ul {
      margin-bottom: 15px;
      color: var(--page-w88-text-color);
    }

    .page-w88-section ul {
      list-style: disc;
      padding-left: 25px;
    }

    .page-w88-section li {
      margin-bottom: 8px;
    }

    /* Game Categories */
    .page-w88-games-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-w88-game-card {
      background-color: var(--page-w88-card-bg);
      border-radius: 10px;
      overflow: hidden;
      text-align: center;
      padding: 15px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      height: 100%;
    }

    .page-w88-game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
    }

    .page-w88-game-card img {
      width: 100%;
      height: 100px; /* Fixed height for consistency */
      object-fit: cover;
      border-radius: 5px;
      margin-bottom: 10px;
    }

    .page-w88-game-card h4 {
      font-size: 1.1em;
      color: var(--page-w88-accent-color);
      margin-bottom: 10px;
      flex-grow: 1; /* Allows title to take available space */
    }

    .page-w88-game-card .page-w88-btn-small {
      background-color: var(--page-w88-primary-color);
      color: #fff;
      padding: 8px 15px;
      border-radius: 5px;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
      display: block; /* Make button full width */
      margin-top: auto; /* Push to bottom */
    }

    .page-w88-game-card .page-w88-btn-small:hover {
      background-color: var(--page-w88-button-hover);
    }

    /* Promotions */
    .page-w88-promotions ul {
      list-style: none;
      padding: 0;
    }

    .page-w88-promotions li {
      background-color: var(--page-w88-card-bg);
      margin-bottom: 15px;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      border-left: 5px solid var(--page-w88-primary-color);
    }

    .page-w88-promotions li strong {
      color: var(--page-w88-accent-color);
      font-size: 1.2em;
      display: block;
      margin-bottom: 5px;
    }

    /* How To Guide */
    .page-w88-guide-steps {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .page-w88-guide-step {
      background-color: var(--page-w88-card-bg);
      padding: 20px;
      border-radius: 8px;
      display: flex;
      align-items: flex-start;
      gap: 15px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
    }

    .page-w88-guide-step .step-number {
      background-color: var(--page-w88-primary-color);
      color: #fff;
      border-radius: 50%;
      width: 35px;
      height: 35px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: bold;
      font-size: 1.2em;
      flex-shrink: 0;
    }

    .page-w88-guide-step .step-content h4 {
      color: var(--page-w88-accent-color);
      margin-top: 0;
      margin-bottom: 5px;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-w88-hero h1 {
        font-size: 2em;
      }
      .page-w88-hero p {
        font-size: 1em;
      }
      .page-w88-section h2 {
        font-size: 1.8em;
      }
      .page-w88-games-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }
      .page-w88-floating-btn {
        bottom: 15px;
        right: 15px;
      }
      .page-w88-floating-btn .page-w88-btn {
        padding: 12px 20px;
        font-size: 1em;
      }
    }

    @media (max-width: 480px) {
      .page-w88-hero h1 {
        font-size: 1.8em;
      }
      .page-w88-hero p {
        font-size: 0.9em;
      }
      .page-w88-section {
        padding: 30px 0;
      }
      .page-w88-section h2 {
        font-size: 1.5em;
      }
      .page-w88-games-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      }
      .page-w88-game-card h4 {
        font-size: 0.9em;
      }
      .page-w88-game-card .page-w88-btn-small {
        padding: 6px 10px;
        font-size: 0.8em;
      }
      .page-w88-guide-step {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
      .page-w88-guide-step .step-number {
        margin-bottom: 10px;
      }
      .page-w88-floating-btn {
        bottom: 10px;
        right: 10px;
      }
      .page-w88-floating-btn .page-w88-btn {
        padding: 10px 15px;
        font-size: 0.9em;
      }
    }