/* Reset và biến cơ bản */
    :root {
      --page-18bet__primary-color: #007bff; /* Xanh dương */
      --page-18bet__secondary-color: #0056b3; /* Xanh đậm hơn */
      --page-18bet__accent-color: #ffc107; /* Vàng */
      --page-18bet__text-color: #333;
      --page-18bet__light-text-color: #fff;
      --page-18bet__background-color: #f8f9fa;
      --page-18bet__dark-background-color: #212529;
      --page-18bet__border-color: #dee2e6;
      --page-18bet__max-width: 1200px;
      --page-18bet__spacing-unit: 1rem; /* 16px */
    }

    .page-18bet {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-18bet__text-color);
      background-color: var(--page-18bet__background-color);
      padding-top: 10px; /* Adjusting for potential fixed header */
    }

    /* Các phần tử chung */
    .page-18bet__container {
      max-width: var(--page-18bet__max-width);
      margin: 0 auto;
      padding: 0 var(--page-18bet__spacing-unit);
      box-sizing: border-box;
    }

    .page-18bet__section {
      padding: calc(2 * var(--page-18bet__spacing-unit)) 0;
      margin-bottom: calc(2 * var(--page-18bet__spacing-unit));
      background-color: #fff;
      border-radius: 8px;
      box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
    }
    
    .page-18bet__section--dark {
      background-color: var(--page-18bet__dark-background-color);
      color: var(--page-18bet__light-text-color);
    }

    .page-18bet__heading {
      text-align: center;
      margin-bottom: calc(2 * var(--page-18bet__spacing-unit));
      color: var(--page-18bet__secondary-color);
    }
    
    .page-18bet__section--dark .page-18bet__heading {
      color: var(--page-18bet__light-text-color);
    }

    .page-18bet__paragraph {
      margin-bottom: var(--page-18bet__spacing-unit);
      text-align: center;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-18bet__button {
      display: inline-block;
      background-color: var(--page-18bet__primary-color);
      color: var(--page-18bet__light-text-color);
      padding: 0.75rem 1.5rem;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border: none;
      cursor: pointer;
      font-size: 1rem;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-18bet__button:hover {
      background-color: var(--page-18bet__secondary-color);
    }

    /* Hero Section */
    .page-18bet__hero-section {
      position: relative;
      background-color: var(--page-18bet__primary-color);
      color: var(--page-18bet__light-text-color);
      text-align: center;
      padding: 4rem 0;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 400px;
      box-sizing: border-box;
    }

    .page-18bet__hero-background-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.4;
      max-width: 100%; /* Ensure responsiveness */
    }

    .page-18bet__hero-content {
      position: relative;
      z-index: 1;
      max-width: 800px;
      padding: var(--page-18bet__spacing-unit);
    }

    .page-18bet__hero-title {
      font-size: 2.5rem;
      margin-bottom: var(--page-18bet__spacing-unit);
      color: var(--page-18bet__light-text-color);
      word-wrap: break-word; /* Ensure long titles wrap */
      overflow-wrap: break-word;
    }

    .page-18bet__hero-description {
      font-size: 1.2rem;
      margin-bottom: calc(2 * var(--page-18bet__spacing-unit));
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    /* Floating Buttons */
    .page-18bet__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
      width: calc(100% - 40px); /* Adjust for padding on small screens */
      max-width: 350px;
      box-sizing: border-box;
    }

    .page-18bet__floating-button {
      flex: 1;
      background-color: var(--page-18bet__accent-color);
      color: var(--page-18bet__dark-background-color);
      padding: 0.8rem 1rem;
      border-radius: 50px;
      text-align: center;
      font-weight: bold;
      font-size: 1.1rem;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
      transition: background-color 0.3s ease, transform 0.2s ease;
      cursor: pointer;
      border: none;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-18bet__floating-button:hover {
      background-color: #e6b000; /* Darken accent color */
      transform: translateY(-2px);
    }
    
    /* Product Grid */
    .page-18bet__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: calc(1.5 * var(--page-18bet__spacing-unit));
      justify-content: center;
      margin-top: calc(2 * var(--page-18bet__spacing-unit));
    }

    .page-18bet__product-card {
      background-color: #fefefe;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      padding-bottom: var(--page-18bet__spacing-unit);
      transition: transform 0.2s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
      box-sizing: border-box;
    }

    .page-18bet__product-card:hover {
      transform: translateY(-5px);
    }

    .page-18bet__product-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: var(--page-18bet__spacing-unit);
      box-sizing: border-box; /* Ensure padding/border included in width/height */
    }

    .page-18bet__product-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%;
    }

    .page-18bet__product-title {
      font-size: 1.25rem;
      color: var(--page-18bet__primary-color);
      margin-bottom: 0.5rem;
      padding: 0 1rem;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }
    
    .page-18bet__product-description {
      font-size: 0.95rem;
      color: #666;
      padding: 0 1rem;
      flex-grow: 1; /* Allow description to take available space */
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-18bet__product-button {
      margin-top: var(--page-18bet__spacing-unit);
      margin-bottom: var(--page-18bet__spacing-unit);
      align-self: center;
      width: fit-content;
    }

    /* Promotions Section */
    .page-18bet__promotion-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: calc(1.5 * var(--page-18bet__spacing-unit));
      margin-top: calc(2 * var(--page-18bet__spacing-unit));
    }

    .page-18bet__promotion-card {
      background-color: #fefefe;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      display: flex;
      flex-direction: column;
      height: 100%;
      transition: transform 0.2s ease;
      box-sizing: border-box;
    }

    .page-18bet__promotion-card:hover {
      transform: translateY(-5px);
    }

    .page-18bet__promotion-image-wrapper {
      width: 100%;
      height: 220px; /* Fixed height */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      box-sizing: border-box; /* Ensure padding/border included in width/height */
    }

    .page-18bet__promotion-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%;
    }

    .page-18bet__promotion-content {
      padding: var(--page-18bet__spacing-unit);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .page-18bet__promotion-title {
      font-size: 1.3rem;
      color: var(--page-18bet__primary-color);
      margin-bottom: 0.5rem;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-18bet__promotion-description {
      font-size: 0.95rem;
      color: #555;
      margin-bottom: var(--page-18bet__spacing-unit);
      flex-grow: 1;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-18bet__promotion-button-wrapper {
        text-align: center;
        margin-top: auto; /* Push button to the bottom */
    }

    .page-18bet__promotion-button {
        width: 100%;
        box-sizing: border-box;
    }

    /* About Section */
    .page-18bet__about-content {
      display: flex;
      flex-direction: column;
      gap: calc(1.5 * var(--page-18bet__spacing-unit));
      text-align: center;
      max-width: 900px;
      margin: 0 auto;
    }
    
    .page-18bet__about-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-18bet__about-image {
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin: 0 auto;
      display: block;
      object-fit: cover;
    }

    /* Payment & Provider Logos */
    .page-18bet__logo-grid {
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      align-items: center;
      gap: 20px;
      margin-top: calc(2 * var(--page-18bet__spacing-unit));
    }

    .page-18bet__logo-item {
      display: flex;
      justify-content: center;
      align-items: center;
      width: 120px; /* Consistent width for logos */
      height: 60px; /* Consistent height for logos */
      background-color: #fefefe;
      border-radius: 5px;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
      transition: transform 0.2s ease;
      padding: 5px;
      box-sizing: border-box;
    }

    .page-18bet__logo-item:hover {
      transform: translateY(-3px);
    }

    .page-18bet__logo-image {
      max-width: 90%;
      max-height: 90%;
      object-fit: contain;
      display: block;
    }
    
    /* FAQ Section */
    .page-18bet__faq-list {
      max-width: 800px;
      margin: calc(2 * var(--page-18bet__spacing-unit)) auto 0;
      border: 1px solid var(--page-18bet__border-color);
      border-radius: 8px;
      overflow: hidden;
    }

    .page-18bet__faq-item {
      border-bottom: 1px solid var(--page-18bet__border-color);
      box-sizing: border-box; /* Crucial for mobile responsiveness */
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-18bet__faq-item:last-child {
      border-bottom: none;
    }

    .page-18bet__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px;
      background-color: #f0f0f0;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-18bet__faq-question:hover {
      background-color: #e0e0e0;
    }

    .page-18bet__faq-question h3 {
      margin: 0;
      font-size: 1.1rem;
      color: var(--page-18bet__text-color);
      pointer-events: none; /* Prevent h3 from blocking click */
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-18bet__faq-toggle {
      font-size: 1.5rem;
      font-weight: bold;
      color: var(--page-18bet__primary-color);
      margin-left: 10px;
      pointer-events: none; /* Prevent toggle icon from blocking click */
      transition: transform 0.3s ease;
    }

    .page-18bet__faq-item.active .page-18bet__faq-toggle {
      transform: rotate(45deg); /* Change + to X or - */
    }

    .page-18bet__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;
      background-color: #fff;
    }

    .page-18bet__faq-item.active .page-18bet__faq-answer {
      max-height: 2000px !important; /* Sufficiently large */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-18bet__faq-answer p {
      margin-top: 0;
      margin-bottom: 0;
      color: #555;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    /* Call to Action Section */
    .page-18bet__cta-section {
      text-align: center;
      padding: 3rem 0;
      background-color: var(--page-18bet__primary-color);
      color: var(--page-18bet__light-text-color);
      border-radius: 8px;
      margin-top: calc(2 * var(--page-18bet__spacing-unit));
    }

    .page-18bet__cta-title {
      font-size: 2rem;
      margin-bottom: var(--page-18bet__spacing-unit);
      color: var(--page-18bet__light-text-color);
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    .page-18bet__cta-description {
      font-size: 1.1rem;
      margin-bottom: calc(1.5 * var(--page-18bet__spacing-unit));
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
      word-wrap: break-word;
      overflow-wrap: break-word;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-18bet__hero-title {
        font-size: 2rem;
      }

      .page-18bet__hero-description {
        font-size: 1rem;
      }

      .page-18bet__floating-buttons {
        bottom: 10px;
        gap: 10px;
        width: calc(100% - 20px);
      }
      
      .page-18bet__floating-button {
          font-size: 0.95rem;
          padding: 0.7rem 0.8rem;
      }

      .page-18bet__product-grid,
      .page-18bet__promotion-grid {
        grid-template-columns: 1fr;
      }
      
      .page-18bet__product-card,
      .page-18bet__promotion-card {
        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;
      }

      .page-18bet__product-image-wrapper,
      .page-18bet__promotion-image-wrapper {
        height: 180px;
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }

      .page-18bet__heading {
        font-size: 1.8rem;
      }

      .page-18bet__paragraph {
        padding: 0 10px;
      }

      .page-18bet__faq-question h3 {
        font-size: 1rem;
      }

      .page-18bet__faq-answer {
        padding: 0 10px;
      }
      
      .page-18bet__faq-item.active .page-18bet__faq-answer {
        padding: 15px 10px !important;
      }

      .page-18bet__cta-title {
        font-size: 1.5rem;
      }

      .page-18bet__cta-description {
        font-size: 1rem;
        padding: 0 10px;
      }

      .page-18bet__logo-grid {
        gap: 15px;
      }
      .page-18bet__logo-item {
        width: 100px;
        height: 50px;
      }
      
      /* Ensure all images are responsive on mobile */
      .page-18bet img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }