:root {
      --page-123zdo-primary-color: #ffcc00; /* Vàng sáng */
      --page-123zdo-secondary-color: #333333; /* Xám đậm */
      --page-123zdo-accent-color: #e60000; /* Đỏ rực */
      --page-123zdo-text-light: #ffffff;
      --page-123zdo-text-dark: #333333;
      --page-123zdo-background-dark: #1a1a1a; /* Nền tối */
      --page-123zdo-background-light: #f0f0f0; /* Nền sáng */
      --page-123zdo-border-radius: 8px;
      --page-123zdo-padding-section: 40px 20px;
      --page-123zdo-padding-item: 15px;
    }

    .page-123zdo {
      font-family: 'Arial', sans-serif;
      color: var(--page-123zdo-text-light);
      background-color: var(--page-123zdo-background-dark);
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: var(--header-offset, 122px); /* Fallback for header offset */
    }

    .page-123zdo__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    /* Tiêu đề chung */
    .page-123zdo__heading-primary {
      font-size: 2.8em;
      color: var(--page-123zdo-primary-color);
      text-align: center;
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-123zdo__heading-secondary {
      font-size: 2.2em;
      color: var(--page-123zdo-text-light);
      text-align: center;
      margin-top: 40px;
      margin-bottom: 25px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-123zdo__heading-secondary::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-123zdo-primary-color);
      border-radius: 2px;
    }

    .page-123zdo__text-center {
      text-align: center;
      margin-bottom: 30px;
    }

    /* Hero Section */
    .page-123zdo__hero-section {
      position: relative;
      width: 100%;
      height: 500px; /* Chiều cao cố định cho hero */
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      overflow: hidden;
      margin-bottom: 40px;
      padding-top: 10px; /* Small decorative padding, body handles main offset */
    }

    .page-123zdo__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      filter: brightness(0.6); /* Làm tối ảnh nền để chữ nổi bật */
      max-width: 100%;
    }
    .page-123zdo__hero-content {
      position: relative;
      z-index: 1;
      color: var(--page-123zdo-text-light);
      padding: 20px;
      max-width: 800px;
    }

    .page-123zdo__hero-title {
      font-size: 3.5em;
      margin-bottom: 15px;
      color: var(--page-123zdo-primary-color);
      text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
    }

    .page-123zdo__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
    }

    /* Floating Buttons */
    .page-123zdo__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-123zdo__floating-button {
      display: block;
      padding: 12px 25px;
      background-color: var(--page-123zdo-accent-color);
      color: var(--page-123zdo-text-light);
      border: none;
      border-radius: var(--page-123zdo-border-radius);
      font-size: 1.1em;
      font-weight: bold;
      text-decoration: none;
      text-align: center;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      white-space: nowrap;
    }

    .page-123zdo__floating-button:hover {
      background-color: #cc0000;
      transform: translateY(-2px);
    }

    /* Promotion Section */
    .page-123zdo__promotion-section {
      background-color: #2a2a2a;
      padding: var(--page-123zdo-padding-section);
      text-align: center;
      margin-bottom: 40px;
    }

    .page-123zdo__promotion-card {
      background-color: var(--page-123zdo-background-dark);
      border: 2px solid var(--page-123zdo-primary-color);
      border-radius: var(--page-123zdo-border-radius);
      padding: 30px;
      margin: 20px auto;
      max-width: 700px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    }

    .page-123zdo__promotion-card-title {
      font-size: 2em;
      color: var(--page-123zdo-primary-color);
      margin-bottom: 15px;
    }

    .page-123zdo__promotion-card-description {
      font-size: 1.1em;
      margin-bottom: 20px;
    }

    .page-123zdo__promotion-button {
      display: inline-block;
      padding: 12px 30px;
      background-color: var(--page-123zdo-accent-color);
      color: var(--page-123zdo-text-light);
      border-radius: var(--page-123zdo-border-radius);
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-123zdo__promotion-button:hover {
      background-color: #cc0000;
    }

    /* Game Categories Section */
    .page-123zdo__game-categories-section {
      padding: var(--page-123zdo-padding-section);
      margin-bottom: 40px;
    }

    .page-123zdo__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      justify-content: center;
      margin-top: 30px;
    }

    .page-123zdo__game-card {
      background-color: #2a2a2a;
      border-radius: var(--page-123zdo-border-radius);
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease;
      text-align: center;
      box-sizing: border-box; /* Important for responsive lists */
    }

    .page-123zdo__game-card:hover {
      transform: translateY(-5px);
    }

    .page-123zdo__game-card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-123zdo__game-card-content {
      padding: var(--page-123zdo-padding-item);
    }

    .page-123zdo__game-card-title {
      font-size: 1.5em;
      color: var(--page-123zdo-primary-color);
      margin-bottom: 10px;
    }

    .page-123zdo__game-card-description {
      font-size: 0.95em;
      color: #ccc;
      word-wrap: break-word; /* Ensure text wraps */
      overflow-wrap: break-word;
    }

    /* Why Choose Us Section */
    .page-123zdo__why-choose-us-section {
      background-color: #2a2a2a;
      padding: var(--page-123zdo-padding-section);
      margin-bottom: 40px;
    }

    .page-123zdo__feature-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-123zdo__feature-item {
      background-color: var(--page-123zdo-background-dark);
      border-left: 5px solid var(--page-123zdo-primary-color);
      padding: 25px;
      border-radius: var(--page-123zdo-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      box-sizing: border-box; /* Important for responsive lists */
    }

    .page-123zdo__feature-title {
      font-size: 1.3em;
      color: var(--page-123zdo-primary-color);
      margin-bottom: 10px;
    }

    .page-123zdo__feature-description {
      font-size: 0.95em;
      color: #ccc;
      word-wrap: break-word; /* Ensure text wraps */
      overflow-wrap: break-word;
    }

    /* Payment & Providers Section */
    .page-123zdo__partners-section {
      padding: var(--page-123zdo-padding-section);
      margin-bottom: 40px;
    }

    .page-123zdo__partners-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
      padding: 0; /* Remove default ul/ol padding */
      list-style: none; /* Remove default list style */
    }

    .page-123zdo__partner-item {
      background-color: #2a2a2a;
      padding: 15px 20px;
      border-radius: var(--page-123zdo-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      text-align: center;
      display: flex;
      align-items: center;
      gap: 10px;
      min-width: 120px;
      box-sizing: border-box; /* Important for responsive lists */
      width: auto; /* Allow items to size based on content */
    }

    .page-123zdo__partner-logo {
      height: 40px;
      width: auto;
      max-width: 100px; /* Ensure logos don't get too big */
      object-fit: contain;
      max-height: 100%;
      box-sizing: border-box;
    }

    .page-123zdo__partner-name {
      color: var(--page-123zdo-text-light);
      font-weight: bold;
      font-size: 1em;
      white-space: nowrap; /* Keep name on one line */
      word-wrap: break-word; /* Ensure text wraps */
      overflow-wrap: break-word;
    }

    /* FAQ Section */
    .page-123zdo__faq-section {
      padding: var(--page-123zdo-padding-section);
      background-color: #2a2a2a;
      margin-bottom: 40px;
    }

    .page-123zdo__faq-list {
      max-width: 800px;
      margin: 30px auto 0 auto;
      list-style: none;
      padding: 0;
    }

    .page-123zdo__faq-item {
      background-color: var(--page-123zdo-background-dark);
      border: 1px solid #444;
      border-radius: var(--page-123zdo-border-radius);
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      box-sizing: border-box; /* Important for responsive lists */
    }

    .page-123zdo__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: #333;
      cursor: pointer;
      user-select: none;
      color: var(--page-123zdo-text-light);
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-123zdo__faq-question:hover {
      background-color: #444;
    }

    .page-123zdo__faq-question h3 {
      margin: 0;
      color: var(--page-123zdo-text-light);
      pointer-events: none; /* Prevent h3 from blocking click */
      flex-grow: 1;
      text-align: left;
    }

    .page-123zdo__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-123zdo-primary-color);
      margin-left: 15px;
      pointer-events: none; /* Prevent toggle icon from blocking click */
    }

    .page-123zdo__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px; /* Initial padding */
      color: #ccc;
      font-size: 0.95em;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.3s ease;
      opacity: 0;
      text-align: left;
    }

    .page-123zdo__faq-item.active .page-123zdo__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: 20px !important; /* Expanded padding */
      opacity: 1;
    }

    .page-123zdo__faq-item.active .page-123zdo__faq-toggle {
      content: '−';
    }

    /* Call to Action Section */
    .page-123zdo__cta-section {
      background-color: var(--page-123zdo-primary-color);
      padding: var(--page-123zdo-padding-section);
      text-align: center;
      color: var(--page-123zdo-text-dark);
      margin-bottom: 40px;
    }

    .page-123zdo__cta-title {
      font-size: 2.5em;
      margin-bottom: 15px;
      color: var(--page-123zdo-text-dark);
    }

    .page-123zdo__cta-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-123zdo__cta-button {
      display: inline-block;
      padding: 15px 40px;
      background-color: var(--page-123zdo-accent-color);
      color: var(--page-123zdo-text-light);
      border-radius: var(--page-123zdo-border-radius);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
    }

    .page-123zdo__cta-button:hover {
      background-color: #cc0000;
      transform: translateY(-2px);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-123zdo__heading-primary {
        font-size: 2.2em;
      }

      .page-123zdo__heading-secondary {
        font-size: 1.8em;
      }

      .page-123zdo__hero-section {
        height: 400px;
      }

      .page-123zdo__hero-title {
        font-size: 2.5em;
      }

      .page-123zdo__hero-description {
        font-size: 1em;
      }

      .page-123zdo__floating-buttons {
        bottom: 15px;
        right: 15px;
        gap: 8px;
      }

      .page-123zdo__floating-button {
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-123zdo__promotion-card {
        padding: 20px;
      }

      .page-123zdo__promotion-card-title {
        font-size: 1.5em;
      }

      .page-123zdo__game-grid,
      .page-123zdo__feature-list {
        grid-template-columns: 1fr;
      }

      .page-123zdo__game-card,
      .page-123zdo__feature-item,
      .page-123zdo__partner-item,
      .page-123zdo__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-123zdo__game-card-image {
        height: 180px;
      }

      .page-123zdo__partners-grid {
        flex-direction: column;
        align-items: center;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-123zdo__partner-item {
        width: 90% !important; /* Give some side padding */
        max-width: 300px !important; /* Prevent from being too wide */
        justify-content: center;
      }

      .page-123zdo__faq-question {
        font-size: 1em;
        padding: 15px 15px;
      }

      .page-123zdo__faq-answer {
        font-size: 0.9em;
        padding: 0 15px;
      }

      .page-123zdo__faq-item.active .page-123zdo__faq-answer {
        padding: 15px !important;
      }

      .page-123zdo__cta-title {
        font-size: 2em;
      }

      .page-123zdo__cta-description {
        font-size: 1em;
      }

      .page-123zdo__cta-button {
        padding: 12px 30px;
        font-size: 1.1em;
      }

      .page-123zdo__container {
        padding: 0 10px;
      }

      /* Ensure list containers are also 100% width on mobile */
      .page-123zdo__game-grid,
      .page-123zdo__feature-list,
      .page-123zdo__faq-list {
          width: 100% !important;
          max-width: 100% !important;
          box-sizing: border-box !important;
          padding: 0 !important;
          margin-left: 0 !important;
          margin-right: 0 !important;
      }
    }