:root {
      --page-xocdia-primary-color: #e44d26; /* Màu cam đỏ */
      --page-xocdia-secondary-color: #f7b731; /* Màu vàng cam */
      --page-xocdia-dark-bg: #1a1a1a;
      --page-xocdia-light-bg: #f5f5f5;
      --page-xocdia-text-color: #333;
      --page-xocdia-white: #ffffff;
      --page-xocdia-gray: #666;
      --page-xocdia-border-color: #ddd;
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-xocdia-text-color);
      background-color: var(--page-xocdia-light-bg);
      margin: 0;
      padding: 0;
    }

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

    .page-xocdia__hero-section {
      position: relative;
      width: 100%;
      height: 60vh; /* Điều chỉnh chiều cao banner cho di động */
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      text-align: center;
      color: var(--page-xocdia-white);
      overflow: hidden;
      padding-top: 10px; /* Đảm bảo không bị header cố định che */
      background: linear-gradient(45deg, var(--page-xocdia-primary-color), var(--page-xocdia-secondary-color));
    }

    .page-xocdia__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      opacity: 0.8;
    }

    .page-xocdia__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
      max-width: 90%;
      background-color: rgba(0, 0, 0, 0.4);
      border-radius: 10px;
    }

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

    .page-xocdia__hero-description {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: var(--page-xocdia-white);
    }

    .page-xocdia__cta-button {
      display: inline-block;
      background-color: var(--page-xocdia-secondary-color);
      color: var(--page-xocdia-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-xocdia__cta-button:hover {
      background-color: #fca311;
      transform: translateY(-2px);
    }

    .page-xocdia__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #ff0000; /* Màu đỏ nổi bật */
      color: var(--page-xocdia-white);
      padding: 12px 20px;
      border-radius: 30px;
      text-align: center;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      animation: page-xocdia-pulse 1.5s infinite;
      text-decoration: none;
      border: none;
      cursor: pointer;
    }

    .page-xocdia__floating-button:hover {
      background-color: #cc0000;
    }

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

    .page-xocdia__section {
      padding: 30px 20px;
      margin-bottom: 20px;
      background-color: var(--page-xocdia-white);
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-xocdia__section-title {
      font-size: 1.8em;
      color: var(--page-xocdia-primary-color);
      text-align: center;
      margin-bottom: 25px;
      position: relative;
    }

    .page-xocdia__section-title::after {
      content: '';
      position: absolute;
      bottom: -10px;
      left: 50%;
      transform: translateX(-50%);
      width: 60px;
      height: 4px;
      background-color: var(--page-xocdia-secondary-color);
      border-radius: 2px;
    }

    .page-xocdia__text-content p {
      margin-bottom: 15px;
      line-height: 1.8;
      color: var(--page-xocdia-gray);
    }
    
    .page-xocdia__text-content strong {
        color: var(--page-xocdia-primary-color);
    }

    .page-xocdia__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      margin-top: 20px;
    }

    .page-xocdia__game-card {
      background-color: var(--page-xocdia-light-bg);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
      box-sizing: border-box;
    }

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

    .page-xocdia__game-card-image {
      width: 100%;
      height: 180px;
      object-fit: cover;
      display: block;
    }

    .page-xocdia__game-card-content {
      padding: 15px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-xocdia__game-card-title {
      font-size: 1.3em;
      color: var(--page-xocdia-primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-xocdia__game-card-description {
      font-size: 0.9em;
      color: var(--page-xocdia-gray);
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-xocdia__game-card-button {
      background-color: var(--page-xocdia-primary-color);
      color: var(--page-xocdia-white);
      padding: 8px 15px;
      border-radius: 20px;
      text-decoration: none;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
    }

    .page-xocdia__game-card-button:hover {
      background-color: #c23d1f;
    }

    .page-xocdia__step-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-xocdia__step-item {
      background-color: var(--page-xocdia-light-bg);
      margin-bottom: 15px;
      padding: 20px;
      border-left: 5px solid var(--page-xocdia-secondary-color);
      border-radius: 5px;
      display: flex;
      align-items: flex-start;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
      box-sizing: border-box;
      word-wrap: break-word !important;
      overflow-wrap: break-word !important;
      word-break: break-word !important;
    }

    .page-xocdia__step-number {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-xocdia-primary-color);
      margin-right: 15px;
      flex-shrink: 0;
    }

    .page-xocdia__step-content h3 {
      margin-top: 0;
      font-size: 1.3em;
      color: var(--page-xocdia-primary-color);
      margin-bottom: 8px;
    }

    .page-xocdia__step-content p {
      margin-bottom: 0;
      color: var(--page-xocdia-gray);
    }

    .page-xocdia__promo-banner {
      background: linear-gradient(90deg, #ff6a00, #ee0979);
      color: var(--page-xocdia-white);
      padding: 30px 20px;
      text-align: center;
      border-radius: 8px;
      margin-bottom: 20px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-xocdia__promo-banner h3 {
      font-size: 1.8em;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-xocdia-white);
    }

    .page-xocdia__promo-banner p {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: var(--page-xocdia-white);
    }

    .page-xocdia__promo-button {
      background-color: var(--page-xocdia-secondary-color);
      color: var(--page-xocdia-dark-bg);
      padding: 12px 30px;
      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-xocdia__promo-button:hover {
      background-color: #fca311;
      transform: translateY(-2px);
    }

    .page-xocdia__faq-item {
      background-color: var(--page-xocdia-light-bg);
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    }

    .page-xocdia__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-xocdia-primary-color);
      color: var(--page-xocdia-white);
      cursor: pointer;
      user-select: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      box-sizing: border-box;
      word-wrap: break-word !important;
      overflow-wrap: break-word !important;
      word-break: break-word !important;
    }

    .page-xocdia__faq-question:hover {
      background-color: #c23d1f;
    }

    .page-xocdia__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-xocdia-white);
      pointer-events: none; /* Ngăn chặn sự kiện click trên h3 */
      flex-grow: 1;
      text-align: left;
    }

    .page-xocdia__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      pointer-events: none; /* Ngăn chặn sự kiện click trên biểu tượng */
      transition: transform 0.3s ease;
    }

    .page-xocdia__faq-item.active .page-xocdia__faq-toggle {
      transform: rotate(45deg); /* Biểu tượng '-' */
    }

    .page-xocdia__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      background-color: var(--page-xocdia-white);
      color: var(--page-xocdia-text-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      box-sizing: border-box;
      word-wrap: break-word !important;
      overflow-wrap: break-word !important;
      word-break: break-word !important;
    }

    .page-xocdia__faq-item.active .page-xocdia__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa nội dung */
      padding: 20px 15px !important;
      opacity: 1;
    }

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

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-xocdia {
        padding: 0;
      }

      .page-xocdia__hero-section {
        height: 50vh;
      }

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

      .page-xocdia__hero-description {
        font-size: 1em;
      }

      .page-xocdia__cta-button {
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-xocdia__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 10px 15px;
        font-size: 1em;
      }

      .page-xocdia__section {
        padding: 20px 15px;
        margin-bottom: 15px;
      }

      .page-xocdia__section-title {
        font-size: 1.5em;
        margin-bottom: 20px;
      }

      .page-xocdia__game-grid {
        grid-template-columns: 1fr;
        gap: 15px;
      }

      .page-xocdia__game-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-xocdia__game-card-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-xocdia__step-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 15px;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      
      .page-xocdia__step-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }


      .page-xocdia__promo-banner {
        padding: 25px 15px;
      }

      .page-xocdia__promo-banner h3 {
        font-size: 1.5em;
      }

      .page-xocdia__promo-banner p {
        font-size: 1em;
      }

      .page-xocdia__promo-button {
        padding: 10px 25px;
        font-size: 1em;
      }

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

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

      .page-xocdia__faq-toggle {
        font-size: 1.3em;
      }
      
      .page-xocdia__faq-answer {
        padding: 15px 15px !important;
      }
    }

    @media (min-width: 769px) {
      .page-xocdia__hero-section {
        height: 70vh;
      }

      .page-xocdia__hero-title {
        font-size: 3em;
      }

      .page-xocdia__hero-description {
        font-size: 1.3em;
      }

      .page-xocdia__section {
        padding: 40px 30px;
      }

      .page-xocdia__section-title {
        font-size: 2.2em;
      }
    }