
    /* Reset và biến cơ bản (chỉ áp dụng cho main content) */
    .page-dagac4 {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f4f7f6;
      padding-bottom: 80px; /* Đảm bảo không bị che bởi nút nổi */
    }

    .page-dagac4__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    /* Hero Section */
    .page-dagac4__hero-section {
      position: relative;
      background: linear-gradient(135deg, #a71d31, #3a1c71); /* Màu nền gradient */
      color: #fff;
      text-align: center;
      padding: 10px 0 60px; /* Đảm bảo nội dung không bị che bởi header cố định */
      overflow: hidden;
      border-radius: 0 0 20px 20px;
    }

    .page-dagac4__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.2;
      z-index: 1;
    }

    .page-dagac4__hero-content {
      position: relative;
      z-index: 2;
      padding: 20px 15px;
    }

    .page-dagac4__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      font-weight: bold;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
      color: #ffd700; /* Màu vàng nổi bật */
    }

    .page-dagac4__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: #f0f0f0;
    }

    .page-dagac4__cta-button {
      display: inline-block;
      background-color: #ff4500; /* Màu cam nổi bật */
      color: #fff;
      padding: 12px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    .page-dagac4__cta-button:hover {
      background-color: #e63900;
      transform: translateY(-2px);
    }

    /* Floating Promo Button */
    .page-dagac4__promo-float {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: #008000; /* Màu xanh lá cây */
      border-radius: 50px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
      animation: page-dagac4__pulse 2s infinite;
    }

    .page-dagac4__promo-button {
      display: flex;
      align-items: center;
      padding: 10px 20px;
      color: #fff;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      text-align: center;
      white-space: nowrap;
    }

    .page-dagac4__promo-button span {
        margin-right: 8px;
        font-size: 1.2em;
    }

    @keyframes page-dagac4__pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* General Section Styling */
    .page-dagac4__section {
      padding: 40px 0;
      background-color: #fff;
      margin-bottom: 20px;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-dagac4__section:nth-of-type(even) {
      background-color: #fcfcfc;
    }

    .page-dagac4__section-title {
      font-size: 2em;
      color: #a71d31;
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-dagac4__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: #ff4500;
      border-radius: 2px;
    }

    .page-dagac4__text-content {
      font-size: 1em;
      color: #555;
      margin-bottom: 20px;
      text-align: justify;
    }

    .page-dagac4__text-content strong {
      color: #a71d31;
    }

    .page-dagac4__image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
        display: block;
        margin: 25px auto; /* Center image wrapper */
    }

    .page-dagac4__image-full {
        width: 100%;
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        display: block; /* Ensure no extra space below image */
        object-fit: cover;
    }

    /* Game Grid */
    .page-dagac4__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-dagac4__game-item {
      background-color: #f8f8f8;
      border-radius: 10px;
      padding: 20px;
      text-align: center;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-dagac4__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-dagac4__game-icon {
      width: 100%; /* Ensure image fills container */
      max-width: 250px; /* Max size for game icons */
      height: 150px; /* Fixed height for consistency */
      object-fit: cover; /* Crop to fit */
      border-radius: 8px;
      margin: 0 auto 15px auto; /* Center image */
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      display: block;
    }

    .page-dagac4__game-title {
      font-size: 1.1em;
      font-weight: bold;
      color: #333;
    }

    /* Benefits List */
    .page-dagac4__benefits-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-dagac4__benefits-list-item {
      background-color: #e9f7ef; /* Light green background */
      border-left: 5px solid #008000;
      padding: 15px 20px;
      margin-bottom: 10px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
    }

    .page-dagac4__benefits-list-item::before {
      content: '✔';
      color: #008000;
      font-weight: bold;
      margin-right: 10px;
      font-size: 1.2em;
    }

    /* FAQ Section */
    .page-dagac4__faq-section {
      padding: 40px 0;
      background-color: #f4f7f6;
      border-radius: 10px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    }

    .page-dagac4__faq-item {
      background-color: #fff;
      border: 1px solid #ddd;
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 1px 5px rgba(0, 0, 0, 0.05);
    }

    .page-dagac4__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: #a71d31; /* Màu đỏ đậm */
      color: #fff;
      cursor: pointer;
      font-weight: bold;
      font-size: 1.1em;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-dagac4__faq-question:hover {
      background-color: #8c192a; /* Màu đỏ đậm hơn khi hover */
    }

    .page-dagac4__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: #fff;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-dagac4__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Prevent toggle from blocking click */
      transition: transform 0.3s ease;
    }

    .page-dagac4__faq-item.active .page-dagac4__faq-toggle {
      transform: rotate(45deg); /* Rotate '+' to 'x' or similar effect */
    }

    .page-dagac4__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px; /* Initial padding 0 */
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: #555;
      background-color: #fcfcfc;
      border-top: 1px solid #eee;
    }

    .page-dagac4__faq-item.active .page-dagac4__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important; /* Active padding */
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-dagac4__hero-title {
        font-size: 2.2em;
      }

      .page-dagac4__hero-subtitle {
        font-size: 1em;
      }

      .page-dagac4__section-title {
        font-size: 1.8em;
      }

      .page-dagac4__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      }

      .page-dagac4__game-item {
        padding: 15px;
      }

      .page-dagac4__game-icon {
        height: 100px;
      }

      .page-dagac4__game-title {
        font-size: 0.9em;
      }

      .page-dagac4__promo-float {
        bottom: 15px;
        right: 15px;
      }

      .page-dagac4__promo-button {
        padding: 8px 15px;
        font-size: 0.9em;
      }

      .page-dagac4__promo-button span {
            font-size: 1em;
      }

      .page-dagac4__text-content {
        font-size: 0.95em;
      }

      .page-dagac4__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }

      .page-dagac4__faq-question h3 {
        font-size: 1em;
      }

      .page-dagac4__faq-answer {
        padding: 0 15px; /* Mobile initial padding */
      }

      .page-dagac4__faq-item.active .page-dagac4__faq-answer {
        padding: 15px 15px !important; /* Mobile active padding */
      }

      /* Force responsive image styles for mobile */
      .page-dagac4__image-full,
      .page-dagac4__game-icon {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-dagac4__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
        .page-dagac4__promo-button {
            font-size: 0.8em;
            padding: 6px 12px;
        }
        .page-dagac4__promo-button span {
            font-size: 1em;
        }
    }
  