:root {
      --primary-color: #007bff; /* A vibrant blue for primary actions */
      --secondary-color: #6c757d; /* A subtle grey for secondary elements */
      --accent-color: #ffc107; /* A bright yellow for highlights/promotions */
      --background-light: #f8f9fa; /* Light background */
      --text-dark: #212529; /* Dark text for readability */
      --text-light: #ffffff; /* Light text on dark backgrounds */
      --border-color: #dee2e6; /* Light border color */
      --spacing-unit: 16px;
      --header-offset: 122px; /* Default value, assumed to be set by shared.css */
    }

    /* Base styles for the page content */
    .page-phbet-link {
      font-family: 'Arial', sans-serif;
      color: var(--text-dark);
      line-height: 1.6;
      background-color: var(--background-light);
      padding-top: var(--spacing-unit); /* Small top padding, assuming body has header offset */
      padding-bottom: calc(var(--spacing-unit) * 3);
    }

    .page-phbet-link__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--spacing-unit);
      box-sizing: border-box;
    }

    /* Hero Section */
    .page-phbet-link__hero-section {
      position: relative;
      text-align: center;
      color: var(--text-light);
      padding: calc(var(--spacing-unit) * 4) 0;
      overflow: hidden;
      margin-bottom: calc(var(--spacing-unit) * 2);
      border-radius: 8px;
    }

    .page-phbet-link__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: -1;
      filter: brightness(0.6); /* Darken background image for text readability */
    }

    .page-phbet-link__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      margin: 0 auto;
      padding: var(--spacing-unit);
    }

    .page-phbet-link__hero-title {
      font-size: 3em;
      margin-bottom: var(--spacing-unit);
      font-weight: bold;
      color: var(--text-light);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-phbet-link__hero-description {
      font-size: 1.25em;
      margin-bottom: calc(var(--spacing-unit) * 2);
      color: var(--text-light);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.6);
    }

    .page-phbet-link__cta-button {
      display: inline-block;
      background-color: var(--accent-color);
      color: var(--text-dark);
      padding: var(--spacing-unit) calc(var(--spacing-unit) * 2);
      border-radius: 5px;
      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-phbet-link__cta-button:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    /* Section Styling */
    .page-phbet-link__section {
      padding: calc(var(--spacing-unit) * 2) 0;
      margin-bottom: calc(var(--spacing-unit) * 2);
      background-color: var(--text-light);
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    }

    .page-phbet-link__section-title {
      text-align: center;
      font-size: 2.2em;
      margin-bottom: calc(var(--spacing-unit) * 2);
      color: var(--primary-color);
      font-weight: bold;
    }

    .page-phbet-link__section-subtitle {
      text-align: center;
      font-size: 1.2em;
      margin-bottom: calc(var(--spacing-unit) * 3);
      color: var(--secondary-color);
    }

    /* Game Categories */
    .page-phbet-link__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--spacing-unit);
    }

    .page-phbet-link__game-card {
      background-color: var(--background-light);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease;
      text-align: center;
      display: flex;
      flex-direction: column;
    }

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

    .page-phbet-link__game-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-phbet-link__game-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100% !important; /* Ensure responsiveness */
      box-sizing: border-box !important;
    }

    .page-phbet-link__game-info {
      padding: var(--spacing-unit);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-phbet-link__game-title {
      font-size: 1.4em;
      margin-bottom: calc(var(--spacing-unit) / 2);
      color: var(--primary-color);
      font-weight: bold;
    }

    .page-phbet-link__game-description {
      font-size: 0.9em;
      color: var(--secondary-color);
      margin-bottom: var(--spacing-unit);
    }

    .page-phbet-link__game-button {
      display: inline-block;
      background-color: var(--primary-color);
      color: var(--text-light);
      padding: calc(var(--spacing-unit) / 2) var(--spacing-unit);
      border-radius: 5px;
      text-decoration: none;
      font-size: 0.9em;
      border: none;
      cursor: pointer;
      transition: background-color 0.3s ease;
      margin-top: auto; /* Push button to the bottom */
    }

    .page-phbet-link__game-button:hover {
      background-color: #0056b3;
    }

    /* Features Section */
    .page-phbet-link__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: var(--spacing-unit);
    }

    .page-phbet-link__feature-item {
      text-align: center;
      padding: calc(var(--spacing-unit) * 1.5);
      background-color: var(--background-light);
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
    }

    .page-phbet-link__feature-icon {
      width: 80px;
      height: 80px;
      margin-bottom: var(--spacing-unit);
      object-fit: contain;
    }

    .page-phbet-link__feature-title {
      font-size: 1.2em;
      font-weight: bold;
      color: var(--primary-color);
      margin-bottom: calc(var(--spacing-unit) / 2);
    }

    .page-phbet-link__feature-description {
      font-size: 0.9em;
      color: var(--secondary-color);
    }

    /* Call to Action Section */
    .page-phbet-link__cta-section {
      text-align: center;
      padding: calc(var(--spacing-unit) * 3);
      background: linear-gradient(135deg, var(--primary-color), #0056b3);
      color: var(--text-light);
      border-radius: 8px;
      margin-top: calc(var(--spacing-unit) * 2);
    }

    .page-phbet-link__cta-heading {
      font-size: 2.5em;
      margin-bottom: var(--spacing-unit);
      font-weight: bold;
      color: var(--text-light);
    }

    .page-phbet-link__cta-text {
      font-size: 1.2em;
      margin-bottom: calc(var(--spacing-unit) * 2);
    }

    .page-phbet-link__cta-buttons {
      display: flex;
      justify-content: center;
      gap: var(--spacing-unit);
      flex-wrap: wrap;
    }

    .page-phbet-link__cta-button--primary {
      background-color: var(--accent-color);
      color: var(--text-dark);
    }

    .page-phbet-link__cta-button--primary:hover {
      background-color: #e0a800;
    }

    .page-phbet-link__cta-button--secondary {
      background-color: var(--text-light);
      color: var(--primary-color);
      border: 1px solid var(--primary-color);
    }

    .page-phbet-link__cta-button--secondary:hover {
      background-color: var(--background-light);
      color: #0056b3;
      border-color: #0056b3;
    }

    /* FAQ Section */
    .page-phbet-link__faq-section {
      padding: calc(var(--spacing-unit) * 2) 0;
      margin-bottom: calc(var(--spacing-unit) * 2);
      background-color: var(--text-light);
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    }

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

    .page-phbet-link__faq-item {
      border-bottom: 1px solid var(--border-color);
      margin-bottom: 5px;
      box-sizing: border-box; /* Ensure padding and border are included in width calculation */
    }

    .page-phbet-link__faq-item:last-child {
      border-bottom: none;
    }

    .page-phbet-link__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: var(--spacing-unit) 15px;
      background-color: var(--background-light);
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
      border-radius: 4px;
      margin: 5px 0;
    }

    .page-phbet-link__faq-question:hover {
      background-color: #e9ecef;
    }

    .page-phbet-link__faq-question h3 {
      font-size: 1.1em;
      margin: 0;
      color: var(--text-dark);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-phbet-link__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-phbet-link__faq-item.active .page-phbet-link__faq-toggle {
      transform: rotate(45deg); /* Rotate '+' to 'x' or '-' */
    }

    .page-phbet-link__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: var(--secondary-color);
      font-size: 0.95em;
    }

    .page-phbet-link__faq-item.active .page-phbet-link__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    /* Payment Methods */
    .page-phbet-link__payment-methods {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: var(--spacing-unit);
      margin-top: var(--spacing-unit);
    }

    .page-phbet-link__payment-item {
      background-color: var(--background-light);
      padding: calc(var(--spacing-unit) / 2) var(--spacing-unit);
      border-radius: 5px;
      border: 1px solid var(--border-color);
      font-size: 0.9em;
      color: var(--text-dark);
      display: flex;
      align-items: center;
    }

    /* Social Media */
    .page-phbet-link__social-links {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: var(--spacing-unit);
      margin-top: var(--spacing-unit);
    }

    .page-phbet-link__social-item {
      background-color: var(--background-light);
      padding: calc(var(--spacing-unit) / 2) var(--spacing-unit);
      border-radius: 5px;
      border: 1px solid var(--border-color);
      font-size: 0.9em;
      color: var(--text-dark);
      display: flex;
      align-items: center;
    }

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

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

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

      .page-phbet-link__section-subtitle {
        font-size: 1em;
      }

      .page-phbet-link__game-grid,
      .page-phbet-link__features-grid {
        grid-template-columns: 1fr;
      }

      .page-phbet-link__game-image,
      .page-phbet-link__feature-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-phbet-link__game-image-wrapper {
        height: 180px;
      }

      .page-phbet-link__cta-heading {
        font-size: 1.8em;
      }

      .page-phbet-link__cta-text {
        font-size: 1em;
      }

      .page-phbet-link__cta-buttons {
        flex-direction: column;
      }

      .page-phbet-link__cta-button {
        width: 100%;
        max-width: 300px;
        margin: 0 auto;
      }

      /* List items mobile responsiveness */
      .page-phbet-link__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 0 !important; /* Adjust if needed, ensure total width doesn't exceed */
      }
      .page-phbet-link__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;
      }
      .page-phbet-link__faq-answer {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
      .page-phbet-link__payment-methods,
      .page-phbet-link__social-links {
        flex-direction: column;
        align-items: center;
      }
      .page-phbet-link__payment-item,
      .page-phbet-link__social-item {
        width: 100%;
        max-width: 250px; /* Constrain width for better appearance */
      }
    }

    @media (max-width: 480px) {
      .page-phbet-link__hero-section {
        padding: calc(var(--spacing-unit) * 2) 0;
      }
      .page-phbet-link__hero-title {
        font-size: 1.8em;
      }
      .page-phbet-link__hero-description {
        font-size: 0.9em;
      }
      .page-phbet-link__cta-heading {
        font-size: 1.5em;
      }
      .page-phbet-link__cta-text {
        font-size: 0.9em;
      }
    }