:root {
      --page-bancaonlinepc-primary-color: #007bff; /* Xanh dương */
      --page-bancaonlinepc-secondary-color: #28a745; /* Xanh lá */
      --page-bancaonlinepc-accent-color: #ffc107; /* Vàng */
      --page-bancaonlinepc-dark-color: #343a40; /* Đen xám */
      --page-bancaonlinepc-light-color: #f8f9fa; /* Trắng xám */
      --page-bancaonlinepc-text-color: #333;
      --page-bancaonlinepc-white: #ffffff;
      --page-bancaonlinepc-border-color: #e0e0e0;
    }

    .page-bancaonlinepc {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-bancaonlinepc-text-color);
      background-color: var(--page-bancaonlinepc-light-color);
      padding: 0;
      margin: 0;
      overflow-x: hidden;
    }

    .page-bancaonlinepc__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    /* Hero Section */
    .page-bancaonlinepc__hero-section {
      position: relative;
      width: 100%;
      min-height: 350px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: var(--page-bancaonlinepc-white);
      overflow: hidden;
      padding-top: 10px; /* Adjusted for fixed header */
      box-sizing: border-box;
    }

    .page-bancaonlinepc__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background-size: cover;
      background-position: center;
      filter: brightness(0.7);
      z-index: 0;
    }

    .page-bancaonlinepc__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
      max-width: 800px;
      background: rgba(0, 0, 0, 0.5);
      border-radius: 10px;
    }

    .page-bancaonlinepc__hero-title {
      font-size: 2.5em;
      margin-bottom: 15px;
      color: var(--page-bancaonlinepc-accent-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-bancaonlinepc__hero-subtitle {
      font-size: 1.2em;
      margin-bottom: 25px;
      color: var(--page-bancaonlinepc-light-color);
    }

    .page-bancaonlinepc__cta-button {
      display: inline-block;
      background-color: var(--page-bancaonlinepc-secondary-color);
      color: var(--page-bancaonlinepc-white);
      padding: 12px 25px;
      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-bancaonlinepc__cta-button:hover {
      background-color: #218838;
      transform: translateY(-2px);
    }

    /* Floating Login Button */
    .page-bancaonlinepc__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: #dc3545; /* Đỏ nổi bật */
      color: var(--page-bancaonlinepc-white);
      padding: 15px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      animation: page-bancaonlinepc-pulse 2s infinite;
      border: none;
      cursor: pointer;
    }

    .page-bancaonlinepc__floating-button:hover {
      background-color: #c82333;
      transform: scale(1.05);
    }

    @keyframes page-bancaonlinepc-pulse {
      0% {
        transform: scale(1);
      }
      50% {
        transform: scale(1.05);
      }
      100% {
        transform: scale(1);
      }
    }

    /* Section Styling */
    .page-bancaonlinepc__section {
      padding: 40px 0;
      background-color: var(--page-bancaonlinepc-white);
      margin-bottom: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-bancaonlinepc__section--alt {
      background-color: var(--page-bancaonlinepc-light-color);
    }

    .page-bancaonlinepc__section-title {
      font-size: 2em;
      color: var(--page-bancaonlinepc-dark-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-bancaonlinepc__section-title::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--page-bancaonlinepc-primary-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

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

    .page-bancaonlinepc__game-card {
      background-color: var(--page-bancaonlinepc-white);
      border-radius: 8px;
      box-shadow: 0 4px 10px 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;
    }

    .page-bancaonlinepc__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-bancaonlinepc__game-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
    }

    .page-bancaonlinepc__game-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-bancaonlinepc__game-title {
      font-size: 1.4em;
      color: var(--page-bancaonlinepc-primary-color);
      margin-bottom: 10px;
    }

    .page-bancaonlinepc__game-description {
      font-size: 0.95em;
      color: var(--page-bancaonlinepc-text-color);
      margin-bottom: 15px;
    }

    /* Guide Steps */
    .page-bancaonlinepc__guide-steps {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 30px;
    }

    .page-bancaonlinepc__step-item {
      background-color: var(--page-bancaonlinepc-white);
      border: 1px solid var(--page-bancaonlinepc-border-color);
      border-radius: 8px;
      padding: 25px;
      text-align: center;
      flex: 1 1 calc(33% - 40px);
      min-width: 280px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-bancaonlinepc__step-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.12);
    }

    .page-bancaonlinepc__step-number {
      font-size: 2.5em;
      color: var(--page-bancaonlinepc-accent-color);
      font-weight: bold;
      margin-bottom: 15px;
    }

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

    .page-bancaonlinepc__step-description {
      font-size: 0.95em;
      color: var(--page-bancaonlinepc-text-color);
    }

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

    .page-bancaonlinepc__promo-card {
      background-color: var(--page-bancaonlinepc-white);
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: left;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
    }

    .page-bancaonlinepc__promo-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.15);
    }

    .page-bancaonlinepc__promo-image {
      width: 100%;
      height: 220px;
      object-fit: cover;
    }

    .page-bancaonlinepc__promo-content {
      padding: 20px;
      flex-grow: 1;
    }

    .page-bancaonlinepc__promo-title {
      font-size: 1.5em;
      color: var(--page-bancaonlinepc-secondary-color);
      margin-bottom: 10px;
    }

    .page-bancaonlinepc__promo-description {
      font-size: 0.95em;
      color: var(--page-bancaonlinepc-text-color);
      margin-bottom: 15px;
    }

    .page-bancaonlinepc__promo-button {
      background-color: var(--page-bancaonlinepc-primary-color);
      color: var(--page-bancaonlinepc-white);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      display: inline-block;
    }

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

    /* FAQ Section */
    .page-bancaonlinepc__faq-section {
      background-color: var(--page-bancaonlinepc-white);
      padding: 40px 0;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-bancaonlinepc__faq-title {
      font-size: 2em;
      color: var(--page-bancaonlinepc-dark-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-bancaonlinepc__faq-title::after {
      content: '';
      display: block;
      width: 60px;
      height: 4px;
      background-color: var(--page-bancaonlinepc-primary-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-bancaonlinepc__faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-bancaonlinepc__faq-item {
      margin-bottom: 10px;
      border: 1px solid var(--page-bancaonlinepc-border-color);
      border-radius: 5px;
      background-color: var(--page-bancaonlinepc-light-color);
      overflow: hidden;
    }

    .page-bancaonlinepc__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px;
      background-color: var(--page-bancaonlinepc-primary-color);
      color: var(--page-bancaonlinepc-white);
      cursor: pointer;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-bancaonlinepc__faq-question:hover {
      background-color: #0056b3;
    }

    .page-bancaonlinepc__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      flex-grow: 1;
      text-align: left;
      color: var(--page-bancaonlinepc-white); /* Ensure contrast */
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-bancaonlinepc__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 10px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-bancaonlinepc__faq-item.active .page-bancaonlinepc__faq-toggle {
      transform: rotate(45deg); /* Changes + to x or - */
    }

    .page-bancaonlinepc__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      background-color: var(--page-bancaonlinepc-white);
      color: var(--page-bancaonlinepc-text-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

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

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-bancaonlinepc__container {
        padding: 15px;
      }

      .page-bancaonlinepc__hero-section {
        min-height: 300px;
        padding-top: 10px; /* Adjusted for fixed header */
      }

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

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

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

      .page-bancaonlinepc__floating-button {
        padding: 12px 20px;
        font-size: 1em;
        bottom: 15px;
        right: 15px;
      }

      .page-bancaonlinepc__section {
        padding: 30px 0;
      }

      .page-bancaonlinepc__section-title {
        font-size: 1.7em;
      }

      .page-bancaonlinepc__game-grid,
      .page-bancaonlinepc__promo-grid {
        grid-template-columns: 1fr;
      }

      .page-bancaonlinepc__step-item {
        flex: 1 1 100%;
      }

      .page-bancaonlinepc__faq-question {
        font-size: 1em;
        padding: 12px;
      }

      .page-bancaonlinepc__faq-question h3 {
        font-size: 1em;
      }

      .page-bancaonlinepc__faq-answer {
        padding: 0 12px;
      }

      .page-bancaonlinepc__faq-item.active .page-bancaonlinepc__faq-answer {
        padding: 15px 12px !important;
      }

      /* Ensure all images are responsive */
      .page-bancaonlinepc img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-bancaonlinepc__game-image,
      .page-bancaonlinepc__promo-image,
      .page-bancaonlinepc__hero-background img {
        max-width: 100% !important;
        height: auto !important;
        object-fit: cover !important; /* Maintain aspect ratio */
      }
      .page-bancaonlinepc__hero-background {
        max-width: 100% !important;
        height: 100% !important;
      }
    }

    @media (max-width: 480px) {
      .page-bancaonlinepc__hero-title {
        font-size: 1.5em;
      }
      .page-bancaonlinepc__hero-subtitle {
        font-size: 0.9em;
      }
      .page-bancaonlinepc__floating-button {
        font-size: 0.9em;
        padding: 10px 18px;
      }
      .page-bancaonlinepc__section-title {
        font-size: 1.5em;
      }
    }