:root {
      --page-b6610apk-primary-color: #e44d26; /* Cam đỏ */
      --page-b6610apk-secondary-color: #f7a01d; /* Cam vàng */
      --page-b6610apk-text-color: #333;
      --page-b6610apk-light-bg: #f5f5f5;
      --page-b6610apk-dark-bg: #2c3e50; /* Xám xanh đậm */
      --page-b6610apk-white: #ffffff;
      --page-b6610apk-grey: #666;
    }

    .page-b6610apk {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-b6610apk-text-color);
      background-color: var(--page-b6610apk-light-bg);
      padding-bottom: 80px; /* Space for fixed bottom button */
    }

    .page-b6610apk__hero-section {
      position: relative;
      width: 100%;
      background-color: var(--page-b6610apk-dark-bg);
      color: var(--page-b6610apk-white);
      text-align: center;
      padding-top: 10px; /* Fixed nav spacing desktop */
      padding-bottom: 40px;
      overflow: hidden;
    }

    .page-b6610apk__hero-banner {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    .page-b6610apk__hero-content {
      position: relative;
      z-index: 10;
      padding: 20px 15px;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-b6610apk__main-heading {
      font-size: 2.5em;
      margin-bottom: 10px;
      color: var(--page-b6610apk-secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }

    .page-b6610apk__sub-heading {
      font-size: 1.2em;
      margin-bottom: 25px;
      color: var(--page-b6610apk-white);
    }

    .page-b6610apk__cta-button {
      display: inline-block;
      background-color: var(--page-b6610apk-primary-color);
      color: var(--page-b6610apk-white);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
    }

    .page-b6610apk__cta-button:hover {
      background-color: #c93e1f;
      transform: translateY(-3px);
    }

    .page-b6610apk__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      background-color: var(--page-b6610apk-white);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      margin-top: 20px;
    }

    .page-b6610apk__section:first-of-type {
      padding-top: 10px; /* Adjusted for fixed header if hero is absent */
    }

    .page-b6610apk__section-title {
      font-size: 2em;
      color: var(--page-b6610apk-primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
    }

    .page-b6610apk__section-title::after {
      content: '';
      display: block;
      width: 60px;
      height: 3px;
      background-color: var(--page-b6610apk-secondary-color);
      margin: 10px auto 0;
      border-radius: 2px;
    }

    .page-b6610apk__content-text {
      font-size: 1.05em;
      margin-bottom: 20px;
      color: var(--page-b6610apk-grey);
      text-align: justify;
    }

    .page-b6610apk__image-wrapper {
      text-align: center;
      margin: 30px 0;
    }

    .page-b6610apk__content-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
    }

    .page-b6610apk__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-b6610apk__game-card {
      background-color: var(--page-b6610apk-light-bg);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      align-items: center;
      text-align: center;
      padding: 20px;
    }

    .page-b6610apk__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-b6610apk__game-image {
      width: 100%;
      max-width: 250px;
      height: auto;
      border-radius: 8px;
      margin-bottom: 15px;
    }

    .page-b6610apk__game-title {
      font-size: 1.4em;
      color: var(--page-b6610apk-primary-color);
      margin-bottom: 10px;
    }

    .page-b6610apk__game-description {
      font-size: 0.95em;
      color: var(--page-b6610apk-grey);
    }

    .page-b6610apk__steps-list {
      list-style: none;
      padding: 0;
      margin: 30px 0;
      display: flex;
      flex-wrap: wrap;
      gap: 20px;
      justify-content: center;
    }

    .page-b6610apk__step-item {
      background-color: var(--page-b6610apk-white);
      border: 1px solid #ddd;
      border-radius: 10px;
      padding: 25px;
      flex: 1;
      min-width: 280px;
      max-width: 380px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      text-align: center;
      box-sizing: border-box;
      transition: border-color 0.3s ease;
    }

    .page-b6610apk__step-item:hover {
      border-color: var(--page-b6610apk-primary-color);
    }

    .page-b6610apk__step-number {
      font-size: 2.5em;
      color: var(--page-b6610apk-secondary-color);
      font-weight: bold;
      margin-bottom: 15px;
    }

    .page-b6610apk__step-title {
      font-size: 1.3em;
      color: var(--page-b6610apk-primary-color);
      margin-bottom: 10px;
    }

    .page-b6610apk__step-description {
      color: var(--page-b6610apk-grey);
    }

    .page-b6610apk__promotion-banner {
      background-color: var(--page-b6610apk-primary-color);
      color: var(--page-b6610apk-white);
      padding: 30px;
      text-align: center;
      border-radius: 10px;
      margin-top: 30px;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.2);
    }

    .page-b6610apk__promotion-title {
      font-size: 2.2em;
      margin-bottom: 15px;
      color: var(--page-b6610apk-white);
    }

    .page-b6610apk__promotion-text {
      font-size: 1.1em;
      margin-bottom: 25px;
    }

    .page-b6610apk__faq-section {
      background-color: var(--page-b6610apk-light-bg);
      border-radius: 8px;
      padding: 30px;
      margin-top: 20px;
    }

    .page-b6610apk__faq-item {
      background-color: var(--page-b6610apk-white);
      border: 1px solid #e0e0e0;
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-b6610apk__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: var(--page-b6610apk-white);
      cursor: pointer;
      user-select: none;
      font-size: 1.15em;
      color: var(--page-b6610apk-text-color);
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-b6610apk__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-b6610apk__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      text-align: left;
      color: var(--page-b6610apk-text-color);
      pointer-events: none; /* Prevent h3 from blocking click */
    }

    .page-b6610apk__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      color: var(--page-b6610apk-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click */
    }

    .page-b6610apk__faq-item.active .page-b6610apk__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-b6610apk__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      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-b6610apk-grey);
      font-size: 1em;
      text-align: justify;
    }

    .page-b6610apk__faq-item.active .page-b6610apk__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 20px !important;
      opacity: 1;
    }

    .page-b6610apk__floating-button-container {
      position: fixed;
      bottom: 0;
      left: 0;
      width: 100%;
      background-color: var(--page-b6610apk-primary-color);
      padding: 10px 0;
      box-shadow: 0 -2px 10px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      text-align: center;
    }

    .page-b6610apk__floating-button {
      background-color: var(--page-b6610apk-secondary-color);
      color: var(--page-b6610apk-white);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      display: inline-block;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
    }

    .page-b6610apk__floating-button:hover {
      background-color: #e68a00;
      transform: translateY(-2px);
    }

    @media (max-width: 768px) {
      .page-b6610apk__hero-section {
        padding-top: 10px; /* Fixed nav spacing mobile */
        padding-bottom: 30px;
      }

      .page-b6610apk__main-heading {
        font-size: 1.8em;
      }

      .page-b6610apk__sub-heading {
        font-size: 1em;
      }

      .page-b6610apk__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-b6610apk__section {
        padding: 30px 15px;
        margin-top: 15px;
      }
      .page-b6610apk__section:first-of-type {
        padding-top: 10px; /* Adjusted for fixed header if hero is absent */
      }

      .page-b6610apk__section-title {
        font-size: 1.7em;
      }

      .page-b6610apk__content-text {
        font-size: 0.95em;
      }

      .page-b6610apk__game-grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-b6610apk__steps-list {
        flex-direction: column;
        gap: 15px;
      }

      .page-b6610apk__step-item {
        width: 100% !important;
        max-width: 100% !important;
        padding: 20px !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-b6610apk__promotion-title {
        font-size: 1.8em;
      }

      .page-b6610apk__promotion-text {
        font-size: 1em;
      }

      .page-b6610apk__faq-question {
        font-size: 1em;
        padding: 15px;
      }

      .page-b6610apk__faq-answer {
        padding: 0 15px;
      }

      .page-b6610apk__faq-item.active .page-b6610apk__faq-answer {
        padding: 15px !important;
      }

      .page-b6610apk__faq-toggle {
        font-size: 1.5em;
      }

      .page-b6610apk__floating-button {
        font-size: 1em;
        padding: 10px 20px;
      }
    }