:root {
      --page-nohu99-primary-color: #e44d26; /* Cam đỏ */
      --page-nohu99-secondary-color: #f7931e; /* Cam */
      --page-nohu99-accent-color: #4CAF50; /* Xanh lá */
      --page-nohu99-dark-bg: #1a1a1a;
      --page-nohu99-light-bg: #ffffff;
      --page-nohu99-text-color-dark: #333333;
      --page-nohu99-text-color-light: #ffffff;
      --page-nohu99-border-radius: 8px;
      --page-nohu99-box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    }

    .page-nohu99 {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-nohu99-text-color-dark);
      background-color: #f8f8f8;
      padding-top: 10px; /* Small top padding for visual separation after body padding-top */
    }

    .page-nohu99__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-nohu99-light-bg);
      border-radius: var(--page-nohu99-border-radius);
      box-shadow: var(--page-nohu99-box-shadow);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      box-sizing: border-box;
    }

    .page-nohu99__section--dark {
      background-color: var(--page-nohu99-dark-bg);
      color: var(--page-nohu99-text-color-light);
      box-shadow: none;
    }
    
    .page-nohu99__section--dark h2,
    .page-nohu99__section--dark h3,
    .page-nohu99__section--dark p,
    .page-nohu99__section--dark .page-nohu99__feature-item p {
        color: var(--page-nohu99-text-color-light);
    }

    .page-nohu99__header {
      text-align: center;
      margin-bottom: 30px;
    }

    .page-nohu99__header h1 {
      color: var(--page-nohu99-primary-color);
      font-size: 2.8em;
      margin-bottom: 10px;
      text-shadow: 2px 2px 4px rgba(0,0,0,0.1);
    }

    .page-nohu99__header p {
      font-size: 1.2em;
      color: #555;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-nohu99__cta-buttons {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
      flex-wrap: wrap;
    }

    .page-nohu99__button {
      background-color: var(--page-nohu99-primary-color);
      color: var(--page-nohu99-text-color-light);
      padding: 15px 30px;
      border-radius: var(--page-nohu99-border-radius);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      cursor: pointer;
      border: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      min-width: 150px;
      box-sizing: border-box;
    }

    .page-nohu99__button:hover {
      background-color: #c73c1c;
      transform: translateY(-2px);
    }

    .page-nohu99__button--secondary {
      background-color: var(--page-nohu99-secondary-color);
    }

    .page-nohu99__button--secondary:hover {
      background-color: #d87d17;
    }
    
    .page-nohu99__button--external {
        background-color: var(--page-nohu99-accent-color);
    }
    .page-nohu99__button--external:hover {
        background-color: #3e8e41;
    }


    .page-nohu99__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-nohu99__game-card {
      background-color: #ffffff;
      border-radius: var(--page-nohu99-border-radius);
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-nohu99__game-card:hover {
      transform: translateY(-5px);
    }

    .page-nohu99__game-card-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      display: flex;
      align-items: center;
      justify-content: center;
      background-color: #eee;
    }

    .page-nohu99__game-card-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      width: 100%;
      min-height: 200px; /* Ensure image fills wrapper */
    }

    .page-nohu99__game-card-content {
      padding: 20px;
    }

    .page-nohu99__game-card-content h3 {
      font-size: 1.4em;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-nohu99-primary-color);
    }

    .page-nohu99__game-card-content p {
      font-size: 0.95em;
      color: #666;
      margin-bottom: 15px;
    }

    .page-nohu99__feature-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-nohu99__feature-item {
      background-color: #2a2a2a;
      padding: 25px;
      border-radius: var(--page-nohu99-border-radius);
      text-align: center;
      color: var(--page-nohu99-text-color-light);
      box-sizing: border-box;
    }

    .page-nohu99__feature-item h3 {
      color: var(--page-nohu99-secondary-color);
      margin-bottom: 10px;
      font-size: 1.3em;
    }
    
    .page-nohu99__feature-item p {
        color: #cccccc;
    }

    .page-nohu99__provider-list,
    .page-nohu99__payment-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 25px;
      margin-top: 30px;
    }

    .page-nohu99__provider-item,
    .page-nohu99__payment-item {
      background-color: #ffffff;
      padding: 15px 25px;
      border-radius: var(--page-nohu99-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      display: flex;
      align-items: center;
      justify-content: center;
      min-width: 120px;
      height: 80px;
      box-sizing: border-box;
    }
    
    .page-nohu99__provider-item-image,
    .page-nohu99__payment-item-image {
      max-width: 100px;
      max-height: 60px;
      height: auto;
      object-fit: contain;
    }

    .page-nohu99__faq-list {
      margin-top: 30px;
    }

    .page-nohu99__faq-item {
      background-color: #ffffff;
      margin-bottom: 15px;
      border-radius: var(--page-nohu99-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      overflow: hidden;
    }

    .page-nohu99__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      cursor: pointer;
      user-select: none;
      background-color: #f0f0f0;
      transition: background-color 0.3s ease;
      color: var(--page-nohu99-text-color-dark);
    }

    .page-nohu99__faq-question:hover {
      background-color: #e0e0e0;
    }

    .page-nohu99__faq-question h3 {
      margin: 0;
      font-size: 1.15em;
      color: var(--page-nohu99-primary-color);
      pointer-events: none; /* Prevent h3 from blocking click */
      flex-grow: 1;
    }

    .page-nohu99__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-nohu99-primary-color);
      margin-left: 15px;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-nohu99__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;
      background-color: #ffffff;
      color: #555;
    }
    
    .page-nohu99__faq-answer p {
        margin-top: 0;
        margin-bottom: 0;
    }

    .page-nohu99__faq-item.active .page-nohu99__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px 20px !important;
      opacity: 1;
    }

    .page-nohu99__faq-item.active .page-nohu99__faq-toggle {
      content: '−';
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-nohu99__header h1 {
        font-size: 2em;
      }
      .page-nohu99__header p {
        font-size: 1em;
      }
      .page-nohu99__cta-buttons {
        flex-direction: column;
        align-items: center;
      }
      .page-nohu99__button {
        width: 100%;
        max-width: 280px;
      }
      .page-nohu99__section {
        padding: 30px 15px;
      }
      .page-nohu99__game-grid,
      .page-nohu99__feature-list {
        grid-template-columns: 1fr;
      }

      /* List item specific responsive rules */
      .page-nohu99__game-grid > div,
      .page-nohu99__feature-list > div,
      .page-nohu99__provider-list > div,
      .page-nohu99__payment-list > div {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      .page-nohu99__provider-list,
      .page-nohu99__payment-list {
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      .page-nohu99__provider-item,
      .page-nohu99__payment-item {
        min-width: unset; /* Allow items to shrink */
        width: calc(50% - 15px); /* Two items per row with gap */
        max-width: calc(50% - 15px);
      }
      .page-nohu99__faq-question {
        padding: 12px 15px;
      }
      .page-nohu99__faq-question h3 {
        font-size: 1em;
      }
      .page-nohu99__faq-answer {
        padding: 0 15px;
      }
      .page-nohu99__faq-item.active .page-nohu99__faq-answer {
        padding: 15px 15px !important;
      }
    }