/* CSS Styles for page-linkok9 */
    .page-linkok9 {
      background-color: #000000; /* Màu nền đen */
      color: #ffffff; /* Màu chữ trắng mặc định */
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
    }

    /* Responsive image optimization */
    .page-linkok9 img {
      max-width: 100%;
      height: auto;
      display: block; /* Remove extra space below image */
      object-fit: cover;
    }

    .page-linkok9__image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    @media (max-width: 768px) {
      .page-linkok9 img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-linkok9__image-container {
        width: 100% !important;
        max-width: 100% !important;
      }
    }

    .page-linkok9__hero-section {
      text-align: center;
      padding: 10px 20px 40px; /* Padding top for fixed header */
      background-color: #000000;
      position: relative;
      overflow: hidden;
    }

    .page-linkok9__hero-image {
      width: 100%;
      max-width: 1200px; /* Max width for hero image to prevent excessive stretching */
      height: auto;
      margin: 0 auto 20px;
      display: block;
      border-radius: 10px;
      box-shadow: 0 5px 15px rgba(255, 215, 0, 0.3);
    }

    .page-linkok9__hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      margin: 0 auto;
      padding: 20px;
      border-radius: 10px;
      background-color: rgba(0, 0, 0, 0.7); /* Semi-transparent background for text */
    }

    .page-linkok9__hero-title {
      font-size: 2.8em;
      color: #FFD700; /* Vàng */
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-linkok9__hero-description {
      font-size: 1.2em;
      color: #ffffff;
      margin-bottom: 30px;
    }

    .page-linkok9__cta-button {
      display: inline-block;
      background-color: #FFD700; /* Vàng */
      color: #000000;
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 4px 10px rgba(255, 215, 0, 0.4);
    }

    .page-linkok9__cta-button:hover {
      background-color: #e6c200;
      transform: translateY(-3px);
    }

    .page-linkok9__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
    }

    .page-linkok9__section-title {
      font-size: 2.2em;
      color: #FFD700;
      margin-bottom: 30px;
      text-align: center;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }

    .page-linkok9__text-content {
      font-size: 1.1em;
      color: #e0e0e0;
      margin-bottom: 20px;
      text-align: left;
    }

    .page-linkok9__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-linkok9__game-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-linkok9__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(255, 215, 0, 0.4);
    }

    .page-linkok9__game-card-image {
      width: 100%;
      height: 200px; /* Fixed height for game images */
      object-fit: cover;
      display: block;
    }

    .page-linkok9__game-card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-linkok9__game-card-title {
      font-size: 1.5em;
      color: #FFD700;
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-linkok9__game-card-description {
      font-size: 0.95em;
      color: #cccccc;
      margin-bottom: 15px;
      text-align: left;
    }

    .page-linkok9__game-card-link {
      display: inline-block;
      background-color: #FFD700;
      color: #000000;
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 0.9em;
      transition: background-color 0.3s ease;
      margin-top: auto; /* Push button to bottom */
    }

    .page-linkok9__game-card-link:hover {
      background-color: #e6c200;
    }

    .page-linkok9__guide-steps {
      list-style: none;
      padding: 0;
      text-align: left;
      margin-top: 30px;
    }

    .page-linkok9__guide-item {
      background-color: #1a1a1a;
      margin-bottom: 15px;
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
      display: flex;
      align-items: flex-start;
    }

    .page-linkok9__guide-step-number {
      background-color: #FFD700;
      color: #000000;
      width: 30px;
      height: 30px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-weight: bold;
      font-size: 1.1em;
      margin-right: 15px;
      flex-shrink: 0;
    }

    .page-linkok9__guide-step-content {
      flex-grow: 1;
    }

    .page-linkok9__guide-step-title {
      color: #FFD700;
      font-size: 1.3em;
      margin-bottom: 5px;
    }

    .page-linkok9__guide-step-description {
      color: #cccccc;
      font-size: 1em;
    }

    .page-linkok9__promotion-banner {
      background-color: #2a2a2a;
      padding: 30px 20px;
      border-radius: 10px;
      margin-top: 40px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
    }

    .page-linkok9__promotion-banner-title {
      font-size: 2em;
      color: #FFD700;
      margin-bottom: 15px;
    }

    .page-linkok9__promotion-banner-text {
      font-size: 1.1em;
      color: #ffffff;
      margin-bottom: 25px;
    }

    .page-linkok9__download-section {
      text-align: center;
      margin-top: 40px;
    }

    .page-linkok9__download-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
      margin-top: 20px;
    }

    .page-linkok9__download-button {
      background-color: #FFD700;
      color: #000000;
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 4px 10px rgba(255, 215, 0, 0.4);
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .page-linkok9__download-button:hover {
      background-color: #e6c200;
      transform: translateY(-3px);
    }

    .page-linkok9__download-icon {
      width: 24px;
      height: 24px;
      vertical-align: middle;
    }

    /* Floating Login/Promotion Button */
    .page-linkok9__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #FFD700;
      color: #000000;
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 5px 15px rgba(255, 215, 0, 0.5);
      z-index: 1000;
      animation: pulse 1.5s infinite;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-linkok9__floating-button:hover {
      background-color: #e6c200;
      transform: scale(1.05);
      animation: none;
    }

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

    /* FAQ Section */
    .page-linkok9__faq-section {
      padding: 40px 20px;
      max-width: 900px;
      margin: 0 auto;
      text-align: center;
    }

    .page-linkok9__faq-item {
      background-color: #1a1a1a;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.4);
    }

    .page-linkok9__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px;
      cursor: pointer;
      user-select: none;
      background-color: #2a2a2a;
      transition: background-color 0.3s ease;
    }

    .page-linkok9__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-linkok9__faq-question h3 {
      margin: 0;
      color: #FFD700;
      font-size: 1.2em;
      text-align: left;
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-linkok9__faq-toggle {
      font-size: 1.8em;
      color: #FFD700;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-linkok9__faq-item.active .page-linkok9__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-linkok9__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Initial padding for collapsed state */
      color: #cccccc;
      text-align: left;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
    }

    .page-linkok9__faq-item.active .page-linkok9__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to show content */
      padding: 20px !important; /* Padding for expanded state */
      opacity: 1;
    }

    /* Mobile responsiveness */
    @media (max-width: 768px) {
      .page-linkok9__hero-section {
        padding: 10px 15px 30px;
      }
      .page-linkok9__hero-title {
        font-size: 2em;
      }
      .page-linkok9__hero-description {
        font-size: 1em;
      }
      .page-linkok9__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }
      .page-linkok9__section {
        padding: 30px 15px;
      }
      .page-linkok9__section-title {
        font-size: 1.8em;
      }
      .page-linkok9__text-content {
        font-size: 0.95em;
      }
      .page-linkok9__game-grid {
        grid-template-columns: 1fr;
      }
      .page-linkok9__game-card-title {
        font-size: 1.3em;
      }
      .page-linkok9__game-card-description {
        font-size: 0.9em;
      }
      .page-linkok9__guide-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
      }
      .page-linkok9__guide-step-number {
        margin-right: 0;
        margin-bottom: 10px;
      }
      .page-linkok9__guide-step-title {
        font-size: 1.1em;
      }
      .page-linkok9__guide-step-description {
        font-size: 0.9em;
      }
      .page-linkok9__promotion-banner-title {
        font-size: 1.6em;
      }
      .page-linkok9__promotion-banner-text {
        font-size: 1em;
      }
      .page-linkok9__download-button {
        width: 100%;
        justify-content: center;
      }
      .page-linkok9__floating-button {
        font-size: 0.9em;
        padding: 12px 20px;
        bottom: 15px;
        right: 15px;
      }
      .page-linkok9__faq-question h3 {
        font-size: 1.1em;
      }
      .page-linkok9__faq-answer {
        padding: 0 15px;
      }
      .page-linkok9__faq-item.active .page-linkok9__faq-answer {
        padding: 15px !important;
      }
    }