:root {
      --page-game68gb-primary-color: #e44d26; /* Cam đỏ */
      --page-game68gb-secondary-color: #f7b731; /* Vàng cam */
      --page-game68gb-dark-color: #2c3e50; /* Xám đậm */
      --page-game68gb-light-color: #ecf0f1; /* Xám nhạt */
      --page-game68gb-text-color: #34495e; /* Xám xanh */
      --page-game68gb-bg-dark: #1a1a1a;
      --page-game68gb-bg-light: #f5f5f5;
      --page-game68gb-border-radius: 8px;
      --page-game68gb-box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .page-game68gb {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-game68gb-text-color);
      background-color: var(--page-game68gb-bg-light);
    }

    /* Hero Section */
    .page-game68gb__hero-section {
      position: relative;
      width: 100%;
      overflow: hidden;
      text-align: center;
      color: #fff;
      padding-bottom: 40px;
      background: linear-gradient(135deg, var(--page-game68gb-primary-color) 0%, #ff6f61 100%);
      padding-top: 10px; /* Desktop fixed header spacing */
    }

    .page-game68gb__hero-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      max-width: 1200px; /* Limit max width for desktop */
      margin: 0 auto; /* Center image */
      border-radius: var(--page-game68gb-border-radius);
      box-shadow: var(--page-game68gb-box-shadow);
    }

    .page-game68gb__hero-content {
      position: relative;
      z-index: 2;
      padding: 20px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-game68gb__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: #fff;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-game68gb__hero-subtitle {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: var(--page-game68gb-light-color);
    }

    .page-game68gb__hero-button {
      display: inline-block;
      background-color: var(--page-game68gb-secondary-color);
      color: var(--page-game68gb-dark-color);
      padding: 15px 30px;
      border-radius: var(--page-game68gb-border-radius);
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      cursor: pointer;
      border: none;
    }

    .page-game68gb__hero-button:hover {
      background-color: #fca311;
      transform: translateY(-3px);
    }

    /* Section Styling */
    .page-game68gb__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: #fff;
      border-radius: var(--page-game68gb-border-radius);
      box-shadow: var(--page-game68gb-box-shadow);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-game68gb__section-title {
      text-align: center;
      font-size: 2.2em;
      color: var(--page-game68gb-primary-color);
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-game68gb__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background-color: var(--page-game68gb-secondary-color);
      border-radius: 2px;
    }

    .page-game68gb__text-content {
      max-width: 800px;
      margin: 0 auto 20px auto;
      text-align: justify;
      color: var(--page-game68gb-text-color);
    }

    .page-game68gb__text-content p {
      margin-bottom: 15px;
    }

    /* Game Categories */
    .page-game68gb__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-game68gb__game-card {
      text-align: center;
      background-color: var(--page-game68gb-bg-light);
      padding: 20px;
      border-radius: var(--page-game68gb-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 180px;
    }

    .page-game68gb__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-game68gb__game-icon {
      width: 100px; /* Display size, actual image from gallery must be >=200px */
      height: 100px;
      object-fit: contain;
      margin-bottom: 15px;
      border-radius: 50%; /* Make icons round */
      border: 3px solid var(--page-game68gb-primary-color);
      padding: 5px;
    }

    .page-game68gb__game-name {
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-game68gb-dark-color);
    }

    /* Promotions Section */
    .page-game68gb__promotion-card {
      background: linear-gradient(45deg, #2ecc71, #27ae60);
      color: #fff;
      padding: 30px;
      border-radius: var(--page-game68gb-border-radius);
      text-align: center;
      margin-top: 30px;
      box-shadow: var(--page-game68gb-box-shadow);
    }

    .page-game68gb__promotion-card h3 {
      font-size: 1.8em;
      margin-bottom: 15px;
      color: #fff;
    }

    .page-game68gb__promotion-card p {
      font-size: 1.1em;
      margin-bottom: 25px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-game68gb__promotion-button {
      background-color: var(--page-game68gb-secondary-color);
      color: var(--page-game68gb-dark-color);
      padding: 12px 25px;
      border-radius: var(--page-game68gb-border-radius);
      font-weight: bold;
      text-decoration: none;
      transition: background-color 0.3s ease, transform 0.3s ease;
      cursor: pointer;
      border: none;
    }

    .page-game68gb__promotion-button:hover {
      background-color: #fca311;
      transform: translateY(-3px);
    }

    /* How To Section */
    .page-game68gb__steps-container {
      display: flex;
      flex-direction: column;
      gap: 25px;
      margin-top: 30px;
    }

    .page-game68gb__step-item {
      display: flex;
      align-items: flex-start;
      gap: 20px;
      background-color: var(--page-game68gb-bg-light);
      padding: 20px;
      border-radius: var(--page-game68gb-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }

    .page-game68gb__step-number {
      background-color: var(--page-game68gb-primary-color);
      color: #fff;
      border-radius: 50%;
      width: 40px;
      height: 40px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 1.4em;
      font-weight: bold;
      flex-shrink: 0;
    }

    .page-game68gb__step-content h4 {
      color: var(--page-game68gb-primary-color);
      margin-top: 0;
      margin-bottom: 10px;
      font-size: 1.3em;
    }

    .page-game68gb__step-content p {
      margin-bottom: 0;
    }

    /* Why Choose Section */
    .page-game68gb__advantages-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-game68gb__advantage-card {
      background-color: var(--page-game68gb-bg-light);
      padding: 25px;
      border-radius: var(--page-game68gb-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-game68gb__advantage-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-game68gb__advantage-icon {
      width: 80px; /* Display size, actual image from gallery must be >=200px */
      height: 80px;
      object-fit: contain;
      margin-bottom: 15px;
    }

    .page-game68gb__advantage-title {
      font-size: 1.2em;
      color: var(--page-game68gb-dark-color);
      margin-bottom: 10px;
    }

    .page-game68gb__advantage-description {
      font-size: 0.95em;
      color: var(--page-game68gb-text-color);
    }

    /* FAQ Section */
    .page-game68gb__faq-container {
      margin-top: 30px;
    }

    .page-game68gb__faq-item {
      background-color: var(--page-game68gb-bg-light);
      border: 1px solid #ddd;
      border-radius: var(--page-game68gb-border-radius);
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-game68gb__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: #f9f9f9;
      cursor: pointer;
      user-select: none;
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-game68gb-dark-color);
      transition: background-color 0.3s ease;
    }

    .page-game68gb__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-game68gb__faq-question h3 {
      margin: 0;
      color: var(--page-game68gb-dark-color);
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-game68gb__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
      color: var(--page-game68gb-primary-color);
    }

    .page-game68gb__faq-item.active .page-game68gb__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' or use '-' */
    }

    .page-game68gb__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--page-game68gb-text-color);
    }

    .page-game68gb__faq-item.active .page-game68gb__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 20px !important;
      opacity: 1;
    }

    .page-game68gb__faq-answer p {
      margin-bottom: 0;
    }

    /* Floating Login/Promotion Button */
    .page-game68gb__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background: linear-gradient(45deg, var(--page-game68gb-primary-color), var(--page-game68gb-secondary-color));
      color: #fff;
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      animation: page-game68gb-pulse 2s infinite;
      border: none;
      cursor: pointer;
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-game68gb__floating-button:hover {
      transform: scale(1.05);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    }

    @keyframes page-game68gb-pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.03); }
      100% { transform: scale(1); }
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-game68gb__hero-section {
        padding-top: 10px; /* Mobile fixed header spacing */
        padding-bottom: 30px;
      }

      .page-game68gb__hero-title {
        font-size: 2em;
      }

      .page-game68gb__hero-subtitle {
        font-size: 1.1em;
      }

      .page-game68gb__hero-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-game68gb__section {
        padding: 30px 15px;
      }

      .page-game68gb__section-title {
        font-size: 1.8em;
      }

      .page-game68gb__game-categories {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 15px;
      }

      .page-game68gb__game-card {
        padding: 15px;
        min-height: 150px;
      }

      .page-game68gb__game-icon {
        width: 80px; /* Display size, actual image from gallery must be >=200px */
        height: 80px;
        margin-bottom: 10px;
      }

      .page-game68gb__game-name {
        font-size: 0.95em;
      }

      .page-game68gb__promotion-card {
        padding: 25px;
      }

      .page-game68gb__promotion-card h3 {
        font-size: 1.5em;
      }

      .page-game68gb__promotion-card p {
        font-size: 1em;
      }

      .page-game68gb__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-game68gb__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }

      .page-game68gb__step-number {
        margin-bottom: 15px;
      }

      .page-game68gb__step-content h4 {
        font-size: 1.2em;
      }

      .page-game68gb__advantage-card {
        padding: 20px;
      }

      .page-game68gb__advantage-icon {
        width: 60px; /* Display size, actual image from gallery must be >=200px */
        height: 60px;
      }

      .page-game68gb__advantage-title {
        font-size: 1.1em;
      }

      .page-game68gb__faq-question {
        font-size: 1em;
        padding: 15px 18px;
      }

      .page-game68gb__faq-question h3 {
        font-size: 1em;
      }

      .page-game68gb__faq-answer {
        padding: 0 18px;
      }

      .page-game68gb__faq-item.active .page-game68gb__faq-answer {
        padding: 15px 18px !important;
      }
    }

    /* Image responsive optimization */
    .page-game68gb img {
      max-width: 100%;
      height: auto;
      display: block; /* Ensures images behave well in layouts */
    }

    .page-game68gb__hero-image,
    .page-game68gb__game-icon,
    .page-game68gb__advantage-icon {
        width: 100%; /* Ensure container fills available space */
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }
    
    @media (max-width: 768px) {
        .page-game68gb img {
            max-width: 100% !important;
            height: auto !important;
        }
        .page-game68gb__hero-image,
        .page-game68gb__game-icon,
        .page-game68gb__advantage-icon {
            width: 100% !important;
            max-width: 100% !important;
            height: auto !important;
            overflow: hidden !important;
            box-sizing: border-box !important;
        }
    }