:root {
      --page-123zdo-primary-color: #e44d26; /* Cam đỏ */
      --page-123zdo-secondary-color: #f7b731; /* Vàng */
      --page-123zdo-accent-color: #3f51b5; /* Xanh đậm */
      --page-123zdo-dark-background: #1a1a2e; /* Nền tối */
      --page-123zdo-light-background: #f0f2f5; /* Nền sáng */
      --page-123zdo-text-color-light: #ffffff;
      --page-123zdo-text-color-dark: #333333;
      --page-123zdo-border-radius: 8px;
      --page-123zdo-spacing-sm: 10px;
      --page-123zdo-spacing-md: 20px;
      --page-123zdo-spacing-lg: 40px;
    }

    .page-123zdo {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-123zdo-text-color-dark);
      background-color: var(--page-123zdo-light-background);
      display: flex;
      flex-direction: column;
      align-items: center;
      padding-bottom: 80px; /* Space for floating buttons */
      padding-top: var(--header-offset, 122px); /* Fallback for header offset */
    }

    .page-123zdo__section {
      width: 100%;
      max-width: 1200px;
      padding: var(--page-123zdo-spacing-lg) var(--page-123zdo-spacing-md);
      margin-bottom: var(--page-123zdo-spacing-md);
      box-sizing: border-box;
    }

    .page-123zdo__section--dark {
      background-color: var(--page-123zdo-dark-background);
      color: var(--page-123zdo-text-color-light);
    }

    .page-123zdo__section-title {
      text-align: center;
      color: var(--page-123zdo-primary-color);
      margin-bottom: var(--page-123zdo-spacing-lg);
      font-size: 2.5em;
      font-weight: bold;
    }

    .page-123zdo__section--dark .page-123zdo__section-title {
      color: var(--page-123zdo-secondary-color);
    }

    .page-123zdo__text-center {
      text-align: center;
    }

    /* Hero Section */
    .page-123zdo__hero-section {
      background: linear-gradient(135deg, var(--page-123zdo-dark-background), #2c3e50);
      color: var(--page-123zdo-text-color-light);
      padding: var(--page-123zdo-spacing-lg) var(--page-123zdo-spacing-md);
      text-align: center;
      position: relative;
      overflow: hidden;
      padding-top: 10px; /* Small decorative padding, body handles main offset */
    }

    .page-123zdo__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-123zdo__hero-title {
      font-size: 3em;
      margin-bottom: var(--page-123zdo-spacing-sm);
      color: var(--page-123zdo-secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-123zdo__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: var(--page-123zdo-spacing-md);
      color: var(--page-123zdo-text-color-light);
    }

    .page-123zdo__hero-image {
      width: 100%;
      max-width: 800px;
      height: auto;
      border-radius: var(--page-123zdo-border-radius);
      margin: var(--page-123zdo-spacing-md) auto;
      display: block;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
    }

    /* Floating Buttons */
    .page-123zdo__floating-buttons {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      display: flex;
      justify-content: space-around;
      background-color: rgba(0, 0, 0, 0.8);
      padding: var(--page-123zdo-spacing-sm) 0;
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.5);
      z-index: 1000;
    }

    .page-123zdo__floating-button {
      background-color: var(--page-123zdo-primary-color);
      color: var(--page-123zdo-text-color-light);
      border: none;
      padding: var(--page-123zdo-spacing-sm) var(--page-123zdo-spacing-md);
      border-radius: var(--page-123zdo-border-radius);
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none; /* Ensure no underline for button-like divs */
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-123zdo__floating-button:hover {
      background-color: #cc401f;
      transform: translateY(-2px);
    }
    
    .page-123zdo__floating-button--login {
      background-color: var(--page-123zdo-accent-color);
    }

    .page-123zdo__floating-button--login:hover {
      background-color: #30419e;
    }

    /* Game Categories */
    .page-123zdo__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--page-123zdo-spacing-md);
      justify-content: center; /* Center items in the grid */
    }

    .page-123zdo__game-card {
      background-color: var(--page-123zdo-text-color-light);
      border-radius: var(--page-123zdo-border-radius);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center; /* Center content vertically */
      padding-bottom: var(--page-123zdo-spacing-sm);
    }

    .page-123zdo__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    }

    .page-123zdo__game-card-image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center; /* Center the image */
      align-items: center;
      min-height: 200px; /* Ensure a minimum height for image container */
    }

    .page-123zdo__game-card-image {
      max-width: 100%;
      height: auto;
      display: block;
      border-top-left-radius: var(--page-123zdo-border-radius);
      border-top-right-radius: var(--page-123zdo-border-radius);
    }

    .page-123zdo__game-card-title {
      font-size: 1.5em;
      color: var(--page-123zdo-primary-color);
      margin: var(--page-123zdo-spacing-sm) 0;
      padding: 0 var(--page-123zdo-spacing-sm);
    }

    .page-123zdo__game-card-description {
      font-size: 0.9em;
      color: var(--page-123zdo-text-color-dark);
      padding: 0 var(--page-123zdo-spacing-sm) var(--page-123zdo-spacing-sm);
    }

    /* Promotion Section */
    .page-123zdo__promotion-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: var(--page-123zdo-spacing-md);
      justify-content: center;
    }

    .page-123zdo__promotion-item {
      background-color: var(--page-123zdo-text-color-light);
      border-radius: var(--page-123zdo-border-radius);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-123zdo__promotion-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    }

    .page-123zdo__promotion-image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 200px;
    }

    .page-123zdo__promotion-image {
      max-width: 100%;
      height: auto;
      display: block;
      border-top-left-radius: var(--page-123zdo-border-radius);
      border-top-right-radius: var(--page-123zdo-border-radius);
    }

    .page-123zdo__promotion-title {
      font-size: 1.3em;
      color: var(--page-123zdo-accent-color);
      margin: var(--page-123zdo-spacing-sm) 0;
      padding: 0 var(--page-123zdo-spacing-sm);
    }

    .page-123zdo__promotion-description {
      font-size: 0.9em;
      color: var(--page-123zdo-text-color-dark);
      padding: 0 var(--page-123zdo-spacing-sm) var(--page-123zdo-spacing-sm);
    }

    .page-123zdo__button {
      background-color: var(--page-123zdo-primary-color);
      color: var(--page-123zdo-text-color-light);
      border: none;
      padding: var(--page-123zdo-spacing-sm) var(--page-123zdo-spacing-md);
      border-radius: var(--page-123zdo-border-radius);
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      display: inline-block;
      margin-top: var(--page-123zdo-spacing-md);
    }

    .page-123zdo__button:hover {
      background-color: #cc401f;
      transform: translateY(-2px);
    }

    /* Why Choose Us Section */
    .page-123zdo__feature-list {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: var(--page-123zdo-spacing-md);
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .page-123zdo__feature-item {
      background-color: var(--page-123zdo-text-color-light);
      border-radius: var(--page-123zdo-border-radius);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      padding: var(--page-123zdo-spacing-md);
      text-align: center;
      flex: 1 1 calc(33% - var(--page-123zdo-spacing-md)); /* 3 items per row */
      min-width: 280px;
      box-sizing: border-box;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-123zdo__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 12px rgba(0, 0, 0, 0.15);
    }

    .page-123zdo__feature-icon {
      width: 100px;
      height: 100px;
      margin-bottom: var(--page-123zdo-spacing-sm);
      display: block;
      margin-left: auto;
      margin-right: auto;
    }

    .page-123zdo__feature-title {
      font-size: 1.2em;
      color: var(--page-123zdo-accent-color);
      margin-bottom: var(--page-123zdo-spacing-sm);
    }

    .page-123zdo__feature-description {
      font-size: 0.9em;
      color: var(--page-123zdo-text-color-dark);
    }

    /* Payment & Providers */
    .page-123zdo__logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: var(--page-123zdo-spacing-md);
      justify-content: center;
      align-items: center;
    }

    .page-123zdo__logo-item {
      background-color: var(--page-123zdo-text-color-light);
      padding: var(--page-123zdo-spacing-sm);
      border-radius: var(--page-123zdo-border-radius);
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100px;
    }

    .page-123zdo__logo-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.15);
    }

    .page-123zdo__logo-image {
      max-width: 100px;
      height: auto;
      display: block;
      margin: 0 auto;
    }

    .page-123zdo__logo-item a {
      text-decoration: none;
      color: var(--page-123zdo-text-color-dark);
      font-weight: bold;
      display: block;
      width: 100%;
      height: 100%;
      display: flex;
      align-items: center;
      justify-content: center;
    }

    /* FAQ Section */
    .page-123zdo__faq-container {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-123zdo__faq-item {
      background-color: var(--page-123zdo-text-color-light);
      border: 1px solid #ddd;
      border-radius: var(--page-123zdo-border-radius);
      margin-bottom: var(--page-123zdo-spacing-sm);
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-123zdo__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: var(--page-123zdo-spacing-md);
      cursor: pointer;
      background-color: #f9f9f9;
      color: var(--page-123zdo-accent-color);
      font-weight: bold;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-123zdo__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-123zdo__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      pointer-events: none; /* Prevent h3 from blocking click */
      color: inherit; /* Ensure color from parent */
    }

    .page-123zdo__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      pointer-events: none; /* Prevent toggle from blocking click */
      transition: transform 0.3s ease;
    }

    .page-123zdo__faq-item.active .page-123zdo__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' or similar effect */
    }

    .page-123zdo__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 var(--page-123zdo-spacing-md);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      color: var(--page-123zdo-text-color-dark);
    }

    .page-123zdo__faq-item.active .page-123zdo__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: var(--page-123zdo-spacing-md) !important;
      opacity: 1;
    }

    /* About Section */
    .page-123zdo__about-content {
      text-align: justify;
      max-width: 800px;
      margin: 0 auto;
      color: var(--page-123zdo-text-color-dark);
    }

    .page-123zdo__about-content p {
      margin-bottom: var(--page-123zdo-spacing-sm);
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-123zdo__hero-title {
        font-size: 2.2em;
      }

      .page-123zdo__hero-subtitle {
        font-size: 1.2em;
      }

      .page-123zdo__section-title {
        font-size: 1.8em;
      }

      .page-123zdo__floating-buttons {
        justify-content: space-between;
        padding: var(--page-123zdo-spacing-sm);
      }

      .page-123zdo__floating-button {
        flex: 1;
        margin: 0 var(--page-123zdo-spacing-sm);
        font-size: 1em;
        padding: var(--page-123zdo-spacing-sm) 0;
      }

      .page-123zdo__game-categories,
      .page-123zdo__promotion-grid,
      .page-123zdo__logo-grid {
        grid-template-columns: 1fr;
      }

      .page-123zdo__feature-item {
        flex: 1 1 100%;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: var(--page-123zdo-spacing-md) var(--page-123zdo-spacing-sm);
      }

      .page-123zdo__feature-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-123zdo__faq-answer {
        padding: 0 10px;
      }
      .page-123zdo__faq-item.active .page-123zdo__faq-answer {
        padding: 15px 10px !important;
      }
      .page-123zdo__faq-question {
        padding: var(--page-123zdo-spacing-sm);
      }
      .page-123zdo__faq-question h3 {
        font-size: 1em;
      }

      /* Image responsiveness for all images */
      .page-123zdo img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-123zdo__hero-image,
      .page-123zdo__game-card-image,
      .page-123zdo__promotion-image,
      .page-123zdo__feature-icon,
      .page-123zdo__logo-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-123zdo__game-card-image-container,
      .page-123zdo__promotion-image-container,
      .page-123zdo__logo-item {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-123zdo__hero-title {
        font-size: 1.8em;
      }
      .page-123zdo__hero-subtitle {
        font-size: 1em;
      }
      .page-123zdo__section-title {
        font-size: 1.5em;
      }
      .page-123zdo__floating-button {
        font-size: 0.9em;
        padding: 8px 0;
      }
    }