.page-win18vn {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f4f7f6;
      padding-top: 10px; /* Decorative top padding, relying on body for main header offset */
    }

    .page-win18vn__hero-section {
      position: relative;
      width: 100%;
      min-height: 400px;
      display: flex;
      align-items: center;
      justify-content: center;
      text-align: center;
      color: #fff;
      overflow: hidden;
      padding: 40px 20px;
      box-sizing: border-box;
    }

    .page-win18vn__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: linear-gradient(45deg, #2a004f, #001a33);
      z-index: -1;
    }

    .page-win18vn__hero-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.6;
    }

    .page-win18vn__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-win18vn__main-heading {
      font-size: 2.5em;
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      color: #ffd700; /* Gold-like color for emphasis */
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-win18vn__sub-heading {
      font-size: 1.2em;
      margin-bottom: 30px;
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.5);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-win18vn__call-to-action-buttons {
      display: flex;
      gap: 20px;
      justify-content: center;
      flex-wrap: wrap;
    }

    .page-win18vn__button {
      display: inline-block;
      padding: 12px 25px;
      background-color: #007bff; /* Blue */
      color: #fff;
      text-decoration: none;
      border-radius: 5px;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      white-space: nowrap;
      box-sizing: border-box;
    }

    .page-win18vn__button--register {
      background-color: #28a745; /* Green */
    }

    .page-win18vn__button--register:hover {
      background-color: #218838;
      transform: translateY(-2px);
    }

    .page-win18vn__button--login {
      background-color: #007bff; /* Blue */
    }

    .page-win18vn__button--login:hover {
      background-color: #0056b3;
      transform: translateY(-2px);
    }

    .page-win18vn__section-title {
      font-size: 2em;
      color: #001a33;
      text-align: center;
      margin-bottom: 20px;
      padding: 0 15px;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-win18vn__section-description {
      font-size: 1.1em;
      color: #555;
      text-align: center;
      margin-bottom: 40px;
      padding: 0 15px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-win18vn__about-section,
    .page-win18vn__products-section,
    .page-win18vn__promotions-section,
    .page-win18vn__providers-section,
    .page-win18vn__payments-section,
    .page-win18vn__faq-section,
    .page-win18vn__contact-section {
      padding: 60px 20px;
      background-color: #fff;
      margin-bottom: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-win18vn__image-responsive {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto 40px auto;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      box-sizing: border-box;
    }

    .page-win18vn__product-grid,
    .page-win18vn__promotion-cards,
    .page-win18vn__payment-methods {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-win18vn__product-card,
    .page-win18vn__promotion-card {
      background-color: #f9f9f9;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
      box-sizing: border-box;
    }

    .page-win18vn__product-card:hover,
    .page-win18vn__promotion-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.15);
    }

    .page-win18vn__product-image,
    .page-win18vn__promotion-image,
    .page-win18vn__payment-icon {
      width: 100%;
      height: 200px;
      object-fit: cover;
      border-bottom: 1px solid #eee;
      box-sizing: border-box;
    }

    .page-win18vn__product-title,
    .page-win18vn__promotion-title {
      font-size: 1.3em;
      color: #001a33;
      margin: 20px 15px 10px 15px;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-win18vn__product-text,
    .page-win18vn__promotion-text {
      font-size: 0.95em;
      color: #666;
      padding: 0 15px 20px 15px;
      flex-grow: 1;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-win18vn__centered-button-container {
      text-align: center;
      margin-top: 40px;
    }

    .page-win18vn__button--view-all {
      background-color: #ffc107; /* Yellow */
      color: #333;
    }

    .page-win18vn__button--view-all:hover {
      background-color: #e0a800;
    }

    .page-win18vn__provider-list,
    .page-win18vn__social-list {
      list-style: none;
      padding: 0;
      margin: 0 auto;
      max-width: 800px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 15px;
      box-sizing: border-box;
    }

    .page-win18vn__provider-item,
    .page-win18vn__social-item {
      background-color: #e9ecef;
      padding: 15px;
      border-radius: 5px;
      text-align: center;
      font-weight: bold;
      color: #001a33;
      box-shadow: 0 1px 3px rgba(0,0,0,0.08);
      transition: background-color 0.3s ease;
      word-wrap: break-word;
      overflow-wrap: break-word;
      box-sizing: border-box;
    }

    .page-win18vn__provider-item:hover,
    .page-win18vn__social-item:hover {
      background-color: #dee2e6;
    }

    .page-win18vn__payment-item {
      text-align: center;
      padding: 15px;
      background-color: #f0f2f5;
      border-radius: 8px;
      box-shadow: 0 1px 5px rgba(0,0,0,0.05);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      box-sizing: border-box;
    }

    .page-win18vn__payment-icon {
      max-width: 120px;
      height: auto;
      margin-bottom: 10px;
      object-fit: contain;
      border-bottom: none;
    }

    .page-win18vn__payment-name {
      font-weight: bold;
      color: #001a33;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-win18vn__faq-container {
      max-width: 800px;
      margin: 0 auto;
      padding: 0 15px;
      box-sizing: border-box;
    }

    .page-win18vn__faq-item {
      background-color: #f9f9f9;
      margin-bottom: 10px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 1px 5px rgba(0,0,0,0.05);
      box-sizing: border-box;
    }

    .page-win18vn__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px;
      background-color: #e0e0e0;
      cursor: pointer;
      user-select: none;
      border-bottom: 1px solid #ccc;
      transition: background-color 0.3s ease;
      box-sizing: border-box;
    }

    .page-win18vn__faq-question:hover {
      background-color: #d0d0d0;
    }

    .page-win18vn__faq-question-text {
      margin: 0;
      font-size: 1.1em;
      color: #333;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click on parent */
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-win18vn__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: #333;
      margin-left: 10px;
      pointer-events: none; /* Prevent span from blocking click on parent */
    }

    .page-win18vn__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;
      color: #555;
      box-sizing: border-box;
    }

    .page-win18vn__faq-item.active .page-win18vn__faq-answer {
      max-height: 2000px !important;
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-win18vn__faq-item.active .page-win18vn__faq-question {
      background-color: #d0d0d0;
    }

    .page-win18vn__faq-item.active .page-win18vn__faq-toggle {
      content: '−';
    }

    /* Floating buttons */
    .page-win18vn__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-win18vn__floating-button {
      display: block;
      padding: 12px 20px;
      border-radius: 30px;
      font-weight: bold;
      color: #fff;
      text-align: center;
      text-decoration: none;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: background-color 0.3s ease, transform 0.2s ease;
      white-space: nowrap;
      box-sizing: border-box;
    }

    .page-win18vn__floating-button--register {
      background-color: #28a745;
    }

    .page-win18vn__floating-button--register:hover {
      background-color: #218838;
      transform: scale(1.05);
    }

    .page-win18vn__floating-button--login {
      background-color: #007bff;
    }

    .page-win18vn__floating-button--login:hover {
      background-color: #0056b3;
      transform: scale(1.05);
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-win18vn__main-heading {
        font-size: 1.8em;
      }

      .page-win18vn__sub-heading {
        font-size: 1em;
      }

      .page-win18vn__call-to-action-buttons {
        flex-direction: column;
        gap: 15px;
      }

      .page-win18vn__button {
        width: 100%;
        max-width: 250px;
        margin: 0 auto;
      }

      .page-win18vn__section-title {
        font-size: 1.6em;
      }

      .page-win18vn__section-description {
        font-size: 0.95em;
      }

      .page-win18vn__product-grid,
      .page-win18vn__promotion-cards,
      .page-win18vn__payment-methods {
        grid-template-columns: 1fr;
        padding: 0;
      }

      .page-win18vn__provider-list,
      .page-win18vn__social-list {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        padding: 0 10px;
      }

      .page-win18vn__provider-item,
      .page-win18vn__social-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        padding: 12px;
      }

      .page-win18vn__hero-section,
      .page-win18vn__about-section,
      .page-win18vn__products-section,
      .page-win18vn__promotions-section,
      .page-win18vn__providers-section,
      .page-win18vn__payments-section,
      .page-win18vn__faq-section,
      .page-win18vn__contact-section {
        padding: 30px 15px;
      }

      .page-win18vn__faq-question-text {
        font-size: 1em;
      }

      .page-win18vn__faq-answer p {
        font-size: 0.9em;
      }

      .page-win18vn__floating-buttons {
        bottom: 15px;
        right: 15px;
        flex-direction: row;
        gap: 8px;
        left: 15px;
        justify-content: space-around;
      }

      .page-win18vn__floating-button {
        flex: 1;
        padding: 10px 15px;
        font-size: 0.9em;
      }
    }

    @media (max-width: 480px) {
      .page-win18vn__main-heading {
        font-size: 1.5em;
      }

      .page-win18vn__sub-heading {
        font-size: 0.9em;
      }

      .page-win18vn__hero-section {
        min-height: 300px;
      }

      .page-win18vn__payment-item {
        padding: 10px;
      }

      .page-win18vn__payment-icon {
        max-width: 100px;
      }
    }