:root {
      --page-phbet-app-primary-color: #007bff; /* Blue */
      --page-phbet-app-secondary-color: #6c757d; /* Gray */
      --page-phbet-app-accent-color: #ffc107; /* Yellow */
      --page-phbet-app-dark-background: #1a1a1a;
      --page-phbet-app-light-background: #ffffff;
      --page-phbet-app-text-color-dark: #343a40; /* Dark gray for text */
      --page-phbet-app-text-color-light: #f8f9fa; /* Light gray for text on dark bg */
      --page-phbet-app-border-color: #dee2e6;
    }

    .page-phbet-app {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-phbet-app-text-color-dark);
      padding-top: 10px; /* Small offset for first section */
    }

    @media (max-width: 768px) {
      .page-phbet-app {
        padding-top: 10px; /* Consistent small offset for mobile */
      }
    }

    .page-phbet-app__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      background-color: var(--page-phbet-app-light-background);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      box-sizing: border-box;
    }

    @media (max-width: 768px) {
      .page-phbet-app__section {
        padding: 20px 15px;
        margin-bottom: 15px;
      }
    }

    .page-phbet-app__section--dark {
      background-color: var(--page-phbet-app-dark-background);
      color: var(--page-phbet-app-text-color-light);
    }

    .page-phbet-app__section--dark h2,
    .page-phbet-app__section--dark h3 {
      color: var(--page-phbet-app-accent-color);
    }

    .page-phbet-app__hero {
      text-align: center;
      padding: 60px 20px;
      background: linear-gradient(135deg, var(--page-phbet-app-primary-color), #0056b3);
      color: var(--page-phbet-app-text-color-light);
      border-radius: 0; /* Full width */
      box-shadow: none;
      margin-bottom: 0;
      overflow: hidden;
      position: relative;
    }

    .page-phbet-app__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.3;
    }

    .page-phbet-app__hero-content {
      position: relative;
      z-index: 1;
    }

    .page-phbet-app__hero h1 {
      font-size: 3em;
      margin-bottom: 15px;
      color: var(--page-phbet-app-accent-color);
    }

    .page-phbet-app__hero p {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    @media (max-width: 768px) {
      .page-phbet-app__hero {
        padding: 40px 15px;
      }
      .page-phbet-app__hero h1 {
        font-size: 2em;
      }
      .page-phbet-app__hero p {
        font-size: 1em;
      }
    }

    .page-phbet-app__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-phbet-app-accent-color);
      color: var(--page-phbet-app-dark-background);
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-phbet-app__button:hover {
      background-color: #e0a800;
      transform: translateY(-2px);
    }

    .page-phbet-app__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    @media (max-width: 768px) {
      .page-phbet-app__grid {
        grid-template-columns: 1fr;
        gap: 15px;
      }
    }

    .page-phbet-app__card {
      background-color: var(--page-phbet-app-light-background);
      border: 1px solid var(--page-phbet-app-border-color);
      border-radius: 8px;
      padding: 25px;
      text-align: center;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

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

    .page-phbet-app__card h3 {
      color: var(--page-phbet-app-primary-color);
      margin-top: 15px;
      margin-bottom: 10px;
      font-size: 1.4em;
    }

    .page-phbet-app__card p {
      font-size: 0.95em;
      color: var(--page-phbet-app-secondary-color);
    }

    .page-phbet-app__image-container {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      border-radius: 8px;
      margin-bottom: 20px;
      box-sizing: border-box;
    }

    .page-phbet-app__image {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 8px;
    }

    @media (max-width: 768px) {
      .page-phbet-app__image-container {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }
      .page-phbet-app__image {
        max-width: 100% !important;
        height: auto !important;
      }
    }

    .page-phbet-app__list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
      display: flex;
      flex-wrap: wrap;
      gap: 15px;
      width: 100%;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-phbet-app__list-item {
      background-color: #e9f7ff;
      border-left: 5px solid var(--page-phbet-app-primary-color);
      padding: 15px 20px;
      border-radius: 5px;
      flex: 1 1 calc(50% - 15px); /* Two columns on desktop */
      box-sizing: border-box;
      font-size: 1.05em;
      color: var(--page-phbet-app-text-color-dark);
      word-wrap: break-word !important;
      overflow-wrap: break-word !important;
    }

    .page-phbet-app__list-item strong {
      color: var(--page-phbet-app-primary-color);
    }

    @media (max-width: 768px) {
      .page-phbet-app__list {
        flex-direction: column;
        gap: 10px;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }
      .page-phbet-app__list-item {
        width: 100% !important;
        max-width: 100% !important;
        flex: 1 1 100%;
        padding: 12px 15px !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
        word-break: break-word !important;
      }
    }

    .page-phbet-app__step-list {
      counter-reset: step-counter;
      list-style: none;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .page-phbet-app__step-item {
      display: flex;
      align-items: flex-start;
      background-color: var(--page-phbet-app-light-background);
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 6px rgba(0, 0, 0, 0.04);
      box-sizing: border-box;
      word-wrap: break-word !important;
      overflow-wrap: break-word !important;
    }

    .page-phbet-app__step-item::before {
      counter-increment: step-counter;
      content: counter(step-counter);
      background-color: var(--page-phbet-app-primary-color);
      color: var(--page-phbet-app-text-color-light);
      width: 35px;
      height: 35px;
      min-width: 35px;
      min-height: 35px;
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-weight: bold;
      font-size: 1.2em;
      margin-right: 15px;
    }

    .page-phbet-app__step-item h3 {
      margin-top: 0;
      color: var(--page-phbet-app-primary-color);
      font-size: 1.3em;
    }

    .page-phbet-app__step-item p {
      margin-bottom: 0;
      color: var(--page-phbet-app-secondary-color);
    }

    @media (max-width: 768px) {
      .page-phbet-app__step-item {
        flex-direction: column;
        align-items: center;
        text-align: center;
        padding: 15px;
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        word-break: break-word !important;
      }
      .page-phbet-app__step-item::before {
        margin-right: 0;
        margin-bottom: 10px;
      }
      .page-phbet-app__step-item h3 {
        font-size: 1.1em;
      }
      .page-phbet-app__step-item p {
        font-size: 0.9em;
      }
    }

    /* FAQ Section Styles */
    .page-phbet-app__faq-container {
      margin-top: 30px;
    }

    .page-phbet-app__faq-item {
      border: 1px solid var(--page-phbet-app-border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      background-color: var(--page-phbet-app-light-background);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.03);
    }

    .page-phbet-app__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 25px;
      background-color: #f8f9fa;
      cursor: pointer;
      user-select: none;
      font-weight: bold;
      color: var(--page-phbet-app-text-color-dark);
      transition: background-color 0.3s ease;
    }

    .page-phbet-app__faq-question:hover {
      background-color: #e2e6ea;
    }

    .page-phbet-app__faq-question h3 {
      margin: 0;
      font-size: 1.15em;
      color: var(--page-phbet-app-primary-color);
      pointer-events: none; /* Prevents text selection from interfering with click */
    }

    .page-phbet-app__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      color: var(--page-phbet-app-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevents toggle icon from interfering with click */
    }

    .page-phbet-app__faq-item.active .page-phbet-app__faq-toggle {
      transform: rotate(45deg); /* Rotates the + to an X or - */
    }

    .page-phbet-app__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px; /* Initial padding matches question */
      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(--page-phbet-app-text-color-dark);
      background-color: var(--page-phbet-app-light-background);
    }

    .page-phbet-app__faq-item.active .page-phbet-app__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to accommodate content */
      padding: 20px 25px !important; /* Final padding when open */
      opacity: 1;
    }

    .page-phbet-app__faq-answer p {
      margin-bottom: 10px;
    }

    @media (max-width: 768px) {
      .page-phbet-app__faq-question {
        padding: 15px 15px;
      }
      .page-phbet-app__faq-question h3 {
        font-size: 1em;
      }
      .page-phbet-app__faq-toggle {
        font-size: 1.5em;
      }
      .page-phbet-app__faq-answer {
        padding: 0 15px;
      }
      .page-phbet-app__faq-item.active .page-phbet-app__faq-answer {
        padding: 15px 15px !important;
      }
    }