:root {
      --page-luck8855-primary-color: #007bff; /* Xanh dương */
      --page-luck8855-secondary-color: #6c757d; /* Xám */
      --page-luck8855-accent-color: #ffc107; /* Vàng */
      --page-luck8855-text-color: #333;
      --page-luck8855-bg-color: #f8f9fa;
      --page-luck8855-white: #ffffff;
      --page-luck8855-dark-blue: #0056b3;
      --page-luck8855-green: #28a745;
    }

    .page-luck8855 {
      font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
      line-height: 1.6;
      color: var(--page-luck8855-text-color);
      background-color: var(--page-luck8855-bg-color);
      padding: 0;
      margin: 0;
      overflow-x: hidden;
    }

    .page-luck8855__section {
      padding: 40px 15px;
      margin-bottom: 20px;
      background-color: var(--page-luck8855-white);
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-luck8855__section:first-of-type {
      padding-top: 10px; /* Adjusted for fixed header */
    }

    .page-luck8855__hero-section {
      position: relative;
      background-color: var(--page-luck8855-dark-blue);
      color: var(--page-luck8855-white);
      text-align: center;
      padding: 10px 0 60px 0; /* Add padding-top for fixed header */
      overflow: hidden;
      margin-bottom: 20px;
      border-radius: 0 0 8px 8px;
    }

    .page-luck8855__hero-banner {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto 20px auto;
      border-radius: 8px;
      object-fit: cover;
    }

    .page-luck8855__hero-content {
      position: relative;
      z-index: 1;
      padding: 0 15px;
    }

    .page-luck8855__hero-content h1 {
      font-size: 2.5em;
      margin-bottom: 15px;
      color: var(--page-luck8855-accent-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
    }

    .page-luck8855__hero-content p {
      font-size: 1.1em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-luck8855__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: var(--page-luck8855-primary-color);
      color: var(--page-luck8855-white);
      text-decoration: none;
      border-radius: 50px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      font-size: 1.1em;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
    }

    .page-luck8855__button:hover {
      background-color: var(--page-luck8855-dark-blue);
      transform: translateY(-2px);
    }

    .page-luck8855__floating-button {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      background-color: var(--page-luck8855-green);
      color: var(--page-luck8855-white);
      padding: 15px 25px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      animation: page-luck8855__pulse 2s infinite;
      text-align: center;
      text-decoration: none;
      border: none;
      cursor: pointer;
    }

    .page-luck8855__floating-button:hover {
      background-color: #218838;
      animation: none;
    }

    @keyframes page-luck8855__pulse {
      0% {
        transform: scale(1);
      }
      50% {
        transform: scale(1.05);
      }
      100% {
        transform: scale(1);
      }
    }

    .page-luck8855__title {
      font-size: 2em;
      color: var(--page-luck8855-primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-luck8855__title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-luck8855-accent-color);
      border-radius: 2px;
    }

    .page-luck8855__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
      margin-top: 30px;
    }

    .page-luck8855__card {
      background-color: var(--page-luck8855-bg-color);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      padding-bottom: 20px;
    }

    .page-luck8855__card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-luck8855__card-image {
      width: 100%;
      height: 200px;
      object-fit: cover;
      display: block;
    }

    .page-luck8855__card-content {
      padding: 20px;
    }

    .page-luck8855__card-content h3 {
      font-size: 1.4em;
      color: var(--page-luck8855-dark-blue);
      margin-bottom: 10px;
    }

    .page-luck8855__card-content p {
      font-size: 0.95em;
      color: var(--page-luck8855-secondary-color);
    }

    .page-luck8855__list {
      list-style: none;
      padding: 0;
      margin: 30px 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 20px;
    }

    .page-luck8855__list-item {
      background-color: var(--page-luck8855-white);
      padding: 20px;
      border-left: 5px solid var(--page-luck8855-primary-color);
      border-radius: 5px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.08);
      font-size: 1.05em;
      color: var(--page-luck8855-text-color);
      box-sizing: border-box; /* Ensure padding and border are included in width */
    }

    .page-luck8855__list-item strong {
      color: var(--page-luck8855-dark-blue);
    }

    .page-luck8855__steps-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 30px;
      margin-top: 30px;
    }

    .page-luck8855__step-item {
      flex: 1 1 300px;
      max-width: 350px;
      background-color: var(--page-luck8855-white);
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-luck8855__step-item:hover {
      transform: translateY(-5px);
    }

    .page-luck8855__step-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 20px;
      display: block;
      margin-left: auto;
      margin-right: auto;
      border-radius: 50%;
      background-color: var(--page-luck8855-accent-color);
      padding: 10px;
      object-fit: contain;
    }

    .page-luck8855__step-item h3 {
      font-size: 1.5em;
      color: var(--page-luck8855-primary-color);
      margin-bottom: 15px;
    }

    .page-luck8855__step-item p {
      font-size: 1em;
      color: var(--page-luck8855-secondary-color);
    }

    .page-luck8855__faq-section {
      background-color: var(--page-luck8855-white);
      padding: 40px 15px;
      border-radius: 8px;
      box-shadow: 0 2px 4px rgba(0, 0, 0, 0.05);
      max-width: 900px;
      margin: 40px auto;
    }

    .page-luck8855__faq-item {
      border-bottom: 1px solid #eee;
      margin-bottom: 10px;
    }

    .page-luck8855__faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
    }

    .page-luck8855__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 0;
      cursor: pointer;
      user-select: none;
      font-size: 1.1em;
      color: var(--page-luck8855-dark-blue);
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .page-luck8855__faq-question:hover {
      color: var(--page-luck8855-primary-color);
    }

    .page-luck8855__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      pointer-events: none; /* Prevents text from blocking click */
    }

    .page-luck8855__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevents icon from blocking click */
    }

    .page-luck8855__faq-item.active .page-luck8855__faq-toggle {
      transform: rotate(45deg);
    }

    .page-luck8855__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;
      font-size: 0.95em;
      color: var(--page-luck8855-secondary-color);
    }

    .page-luck8855__faq-item.active .page-luck8855__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-luck8855__cta-section {
      text-align: center;
      padding: 50px 15px;
      background-color: var(--page-luck8855-primary-color);
      color: var(--page-luck8855-white);
      border-radius: 8px;
      margin: 40px auto;
      max-width: 1200px;
    }

    .page-luck8855__cta-section h2 {
      font-size: 2.2em;
      margin-bottom: 20px;
      color: var(--page-luck8855-accent-color);
    }

    .page-luck8855__cta-section p {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-luck8855__section {
        padding: 25px 10px;
        margin-bottom: 15px;
      }

      .page-luck8855__section:first-of-type {
        padding-top: 10px; /* Adjusted for fixed header */
      }

      .page-luck8855__hero-section {
        padding-top: 10px; /* Adjusted for fixed header */
        padding-bottom: 40px;
      }

      .page-luck8855__hero-content h1 {
        font-size: 1.8em;
      }

      .page-luck8855__hero-content p {
        font-size: 1em;
      }

      .page-luck8855__title {
        font-size: 1.8em;
        margin-bottom: 20px;
      }

      .page-luck8855__grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-luck8855__card-image {
        height: 180px;
      }

      .page-luck8855__card-content h3 {
        font-size: 1.2em;
      }

      .page-luck8855__list {
        grid-template-columns: 1fr;
        gap: 15px;
        margin: 20px 0;
      }

      .page-luck8855__list-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 15px !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-luck8855__steps-grid {
        flex-direction: column;
        align-items: center;
        gap: 20px;
      }

      .page-luck8855__step-item {
        flex: 1 1 100%;
        max-width: 100%;
        padding: 20px;
      }

      .page-luck8855__faq-section {
        padding: 30px 10px;
        margin: 30px auto;
      }

      .page-luck8855__faq-question {
        font-size: 1em;
        padding: 12px 0;
      }

      .page-luck8855__faq-question h3 {
        font-size: 1em;
      }

      .page-luck8855__faq-answer {
        padding: 15px 10px !important;
      }

      .page-luck8855__cta-section {
        padding: 40px 15px;
        margin: 30px auto;
      }

      .page-luck8855__cta-section h2 {
        font-size: 1.8em;
      }

      .page-luck8855__cta-section p {
        font-size: 1em;
      }

      .page-luck8855__floating-button {
        bottom: 15px;
        right: 15px;
        padding: 12px 20px;
        font-size: 1.1em;
      }

      /* Image responsive styles */
      .page-luck8855 img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-luck8855__hero-banner {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-luck8855__card-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-luck8855__step-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }