:root {
      --page-acb8-primary-color: #e44d26; /* Cam đỏ */
      --page-acb8-secondary-color: #ff9900; /* Cam sáng */
      --page-acb8-dark-bg: #1a1a1a; /* Nền tối */
      --page-acb8-light-text: #ffffff; /* Chữ trắng */
      --page-acb8-gray-text: #cccccc; /* Chữ xám nhạt */
      --page-acb8-accent-color: #00cc66; /* Xanh lá cây */
      --page-acb8-border-color: #333333; /* Màu viền */
      --page-acb8-shadow-color: rgba(0, 0, 0, 0.5);
    }

    .page-acb8 {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      color: var(--page-acb8-light-text);
      background-color: var(--page-acb8-dark-bg);
      line-height: 1.6;
      box-sizing: border-box;
      padding-bottom: 80px; /* Space for fixed footer/floating button */
    }

    .page-acb8 * {
      box-sizing: border-box;
    }

    .page-acb8-container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    /* Hero Section */
    .page-acb8-hero {
      position: relative;
      width: 100%;
      min-height: 300px; /* Mobile height */
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      padding-top: 150px; /* Safe zone for potential overlapping header/menu */
      padding-bottom: 50px;
      overflow: hidden;
      background-color: #000;
    }

    .page-acb8-hero-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: contain; /* Ensure original ratio */
      max-height: 450px; /* Limit height on larger screens */
    }

    .page-acb8-hero-content {
      position: relative;
      z-index: 10;
      padding: 20px 15px;
      background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.3));
      width: 100%;
      margin-top: -50px; /* Overlap image slightly for better integration */
    }

    .page-acb8-hero h1 {
      font-size: 2.2em;
      color: var(--page-acb8-secondary-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px var(--page-acb8-shadow-color);
    }

    .page-acb8-hero p {
      font-size: 1.1em;
      color: var(--page-acb8-light-text);
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-acb8-button {
      display: inline-block;
      background-color: var(--page-acb8-primary-color);
      color: var(--page-acb8-light-text);
      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;
      box-shadow: 0 4px 15px var(--page-acb8-shadow-color);
    }

    .page-acb8-button:hover {
      background-color: #ff6633;
      transform: translateY(-2px);
    }

    /* Floating Login Button */
    .page-acb8-floating-login {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      animation: page-acb8-pulse 1.5s infinite;
    }

    @keyframes page-acb8-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 15px rgba(228, 77, 38, 0); }
      100% { transform: scale(1); box-shadow: 0 0 0 0 rgba(228, 77, 38, 0); }
    }

    /* Sections General */
    .page-acb8-section {
      padding: 40px 0;
      text-align: center;
    }

    .page-acb8-section:nth-of-type(even) {
      background-color: #222222;
    }

    .page-acb8-section h2 {
      font-size: 2em;
      color: var(--page-acb8-secondary-color);
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-acb8-section h2::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: var(--page-acb8-primary-color);
      border-radius: 2px;
    }

    .page-acb8-section p {
      color: var(--page-acb8-gray-text);
      margin-bottom: 20px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Game Categories */
    .page-acb8-game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-acb8-game-item {
      background-color: #2a2a2a;
      border-radius: 10px;
      padding: 15px;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--page-acb8-border-color);
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
    }

    .page-acb8-game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px var(--page-acb8-shadow-color);
    }

    .page-acb8-game-item img {
      width: 80px;
      height: 80px;
      object-fit: contain;
      margin-bottom: 10px;
      border-radius: 5px;
    }

    .page-acb8-game-item a {
      color: var(--page-acb8-light-text);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
    }

    .page-acb8-game-item a:hover {
      color: var(--page-acb8-primary-color);
    }

    /* Promotions */
    .page-acb8-promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-acb8-promo-card {
      background-color: #2a2a2a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      text-align: left;
      transition: transform 0.3s ease;
      border: 1px solid var(--page-acb8-border-color);
    }

    .page-acb8-promo-card:hover {
      transform: translateY(-5px);
    }

    .page-acb8-promo-card img {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
    }

    .page-acb8-promo-content {
      padding: 20px;
    }

    .page-acb8-promo-content h3 {
      font-size: 1.4em;
      color: var(--page-acb8-secondary-color);
      margin-bottom: 10px;
    }

    .page-acb8-promo-content p {
      font-size: 0.95em;
      color: var(--page-acb8-gray-text);
      margin-bottom: 15px;
    }

    /* Game Providers & Payment Methods */
    .page-acb8-logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      gap: 15px;
      margin-top: 30px;
      padding: 0 20px;
      max-width: 900px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-acb8-logo-item {
      background-color: #2a2a2a;
      border-radius: 8px;
      padding: 10px;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 70px;
      transition: transform 0.2s ease;
      border: 1px solid var(--page-acb8-border-color);
    }

    .page-acb8-logo-item:hover {
      transform: scale(1.05);
      box-shadow: 0 0 10px rgba(0, 204, 102, 0.4);
    }

    .page-acb8-logo-item img {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
    }

    /* Why Choose Us */
    .page-acb8-features-list {
      list-style: none;
      padding: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-acb8-feature-item {
      background-color: #2a2a2a;
      border-radius: 10px;
      padding: 25px;
      text-align: left;
      border: 1px solid var(--page-acb8-border-color);
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    }

    .page-acb8-feature-item h3 {
      color: var(--page-acb8-primary-color);
      font-size: 1.3em;
      margin-bottom: 10px;
    }

    .page-acb8-feature-item p {
      color: var(--page-acb8-gray-text);
      font-size: 0.95em;
    }

    /* Responsive Adjustments */
    @media (min-width: 768px) {
      .page-acb8-hero {
        min-height: 450px;
        padding-top: 180px; /* Adjust safe zone for larger screens */
      }

      .page-acb8-hero h1 {
        font-size: 3em;
      }

      .page-acb8-hero p {
        font-size: 1.2em;
      }

      .page-acb8-section {
        padding: 60px 0;
      }

      .page-acb8-section h2 {
        font-size: 2.5em;
      }

      .page-acb8-game-grid {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }

      .page-acb8-promo-grid {
        grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
      }

      .page-acb8-logo-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      }
    }

    @media (min-width: 1024px) {
      .page-acb8-hero {
        min-height: 550px;
      }
    }