:root {
      --page-11uuapp__primary-color: #e44d26; /* Cam đỏ */
      --page-11uuapp__secondary-color: #333; /* Đen xám */
      --page-11uuapp__accent-color: #f7b32b; /* Vàng */
      --page-11uuapp__text-color: #444; /* Xám đậm */
      --page-11uuapp__light-bg: #f9f9f9; /* Nền sáng */
      --page-11uuapp__white: #fff;
      --page-11uuapp__border-color: #eee;
    }

    body {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-11uuapp__text-color);
      background-color: var(--page-11uuapp__light-bg);
      margin: 0;
      padding: 0;
    }

    .page-11uuapp {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-11uuapp__hero-section {
      text-align: center;
      padding: 10px 0 40px 0; /* Adjusted padding-top for fixed header */
      background-color: var(--page-11uuapp__white);
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
      position: relative;
      overflow: hidden;
    }

    .page-11uuapp__hero-image {
      width: 100%;
      height: auto;
      max-height: 400px;
      object-fit: cover;
      margin-bottom: 20px;
      border-radius: 8px 8px 0 0;
    }

    .page-11uuapp__hero-content {
      padding: 0 20px;
    }

    .page-11uuapp__hero-title {
      font-size: 2.8em;
      color: var(--page-11uuapp__primary-color);
      margin-bottom: 15px;
      line-height: 1.2;
    }

    .page-11uuapp__hero-description {
      font-size: 1.2em;
      color: var(--page-11uuapp__secondary-color);
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-11uuapp__cta-button {
      display: inline-block;
      background-color: var(--page-11uuapp__primary-color);
      color: var(--page-11uuapp__white);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-11uuapp__cta-button:hover {
      background-color: #c0392b;
      transform: translateY(-2px);
    }

    .page-11uuapp__section {
      background-color: var(--page-11uuapp__white);
      padding: 40px 20px;
      margin-bottom: 30px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    }

    .page-11uuapp__section-title {
      font-size: 2em;
      color: var(--page-11uuapp__primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-11uuapp__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 60px;
      height: 3px;
      background-color: var(--page-11uuapp__accent-color);
      border-radius: 2px;
    }

    .page-11uuapp__text-content {
      font-size: 1.05em;
      line-height: 1.7;
      margin-bottom: 20px;
      text-align: justify;
    }

    .page-11uuapp__step-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
    }

    .page-11uuapp__step-item {
      background-color: var(--page-11uuapp__light-bg);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box; /* Ensure padding is included in width */
    }

    .page-11uuapp__step-item:hover {
      transform: translateY(-5px);
    }

    .page-11uuapp__step-number {
      font-size: 2.5em;
      color: var(--page-11uuapp__primary-color);
      font-weight: bold;
      margin-bottom: 15px;
      display: block;
    }

    .page-11uuapp__step-title {
      font-size: 1.4em;
      color: var(--page-11uuapp__secondary-color);
      margin-bottom: 10px;
    }

    .page-11uuapp__step-description {
      font-size: 1em;
      color: var(--page-11uuapp__text-color);
    }

    .page-11uuapp__image-container {
      text-align: center;
      margin: 30px auto;
      max-width: 800px;
    }

    .page-11uuapp__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-11uuapp__feature-item {
      background-color: var(--page-11uuapp__light-bg);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      text-align: center;
      box-sizing: border-box; /* Ensure padding is included in width */
    }

    .page-11uuapp__feature-icon {
      width: 200px; /* Min size 200px */
      height: 200px;
      object-fit: contain;
      margin-bottom: 15px;
    }
    
    .page-11uuapp__feature-title {
      font-size: 1.3em;
      color: var(--page-11uuapp__secondary-color);
      margin-bottom: 10px;
    }

    .page-11uuapp__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-11uuapp__game-card {
      background-color: var(--page-11uuapp__light-bg);
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      transition: transform 0.3s ease;
      text-align: center;
      box-sizing: border-box; /* Ensure padding is included in width */
    }

    .page-11uuapp__game-card:hover {
      transform: translateY(-5px);
    }

    .page-11uuapp__game-image {
      width: 100%;
      height: 200px; /* Ensure minimum height */
      object-fit: cover;
      display: block;
    }

    .page-11uuapp__game-title {
      font-size: 1.2em;
      color: var(--page-11uuapp__secondary-color);
      padding: 15px;
      margin: 0;
    }

    .page-11uuapp__faq-container {
      margin-top: 40px;
    }

    .page-11uuapp__faq-item {
      border: 1px solid var(--page-11uuapp__border-color);
      border-radius: 8px;
      margin-bottom: 15px;
      overflow: hidden;
      background-color: var(--page-11uuapp__white);
    }

    .page-11uuapp__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 20px;
      background-color: var(--page-11uuapp__light-bg);
      cursor: pointer;
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-11uuapp__secondary-color);
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-11uuapp__faq-question:hover {
      background-color: #e0e0e0;
    }

    .page-11uuapp__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click event on parent */
    }

    .page-11uuapp__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event on parent */
    }

    .page-11uuapp__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-11uuapp__text-color);
      font-size: 1em;
    }

    .page-11uuapp__faq-item.active .page-11uuapp__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to show all content */
      padding: 20px 20px !important;
      opacity: 1;
    }

    .page-11uuapp__faq-item.active .page-11uuapp__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' or similar, or just '-' */
    }

    /* Floating Login Button */
    .page-11uuapp__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-11uuapp__accent-color);
      color: var(--page-11uuapp__secondary-color);
      padding: 12px 20px;
      border-radius: 50px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.3s ease;
      display: flex;
      align-items: center;
      gap: 8px;
      animation: page-11uuapp__pulse 2s infinite;
      text-align: center;
    }

    .page-11uuapp__floating-button:hover {
      background-color: #e6a01f;
      transform: translateY(-3px);
    }

    @keyframes page-11uuapp__pulse {
      0% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      }
      50% {
        transform: scale(1.05);
        box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
      }
      100% {
        transform: scale(1);
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      }
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-11uuapp {
        padding: 15px;
      }

      .page-11uuapp__hero-section {
        padding-top: 10px; /* Adjust for mobile fixed header */
        margin-bottom: 20px;
      }

      .page-11uuapp__hero-title {
        font-size: 2em;
      }

      .page-11uuapp__hero-description {
        font-size: 1em;
        margin-bottom: 20px;
      }

      .page-11uuapp__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-11uuapp__section {
        padding: 30px 15px;
        margin-bottom: 20px;
      }

      .page-11uuapp__section-title {
        font-size: 1.8em;
        margin-bottom: 25px;
      }

      .page-11uuapp__text-content {
        font-size: 0.95em;
      }

      .page-11uuapp__step-list,
      .page-11uuapp__feature-grid,
      .page-11uuapp__game-grid {
        grid-template-columns: 1fr; /* Single column for mobile */
        gap: 15px;
        width: 100% !important;
        max-width: 100% !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }

      .page-11uuapp__step-item,
      .page-11uuapp__feature-item,
      .page-11uuapp__game-card {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-11uuapp__step-description,
      .page-11uuapp__feature-description,
      .page-11uuapp__game-title {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-11uuapp__game-image {
        height: 180px;
      }

      .page-11uuapp__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 10px 18px;
        font-size: 0.95em;
      }

      .page-11uuapp__faq-question {
        padding: 15px 15px;
        font-size: 1em;
      }

      .page-11uuapp__faq-question h3 {
        font-size: 1em;
      }

      .page-11uuapp__faq-answer {
        padding: 0 15px;
      }

      .page-11uuapp__faq-item.active .page-11uuapp__faq-answer {
        padding: 15px 15px !important;
      }
    }

    @media (max-width: 480px) {
      .page-11uuapp__hero-title {
        font-size: 1.8em;
      }
      .page-11uuapp__section-title {
        font-size: 1.6em;
      }
      .page-11uuapp__step-number {
        font-size: 2em;
      }
      .page-11uuapp__step-title,
      .page-11uuapp__feature-title,
      .page-11uuapp__game-title {
        font-size: 1.1em;
      }
    }