/* Tổng quan */
    :root {
      --page-39bet13-primary-color: #e44d26; /* Màu cam đậm */
      --page-39bet13-secondary-color: #333;
      --page-39bet13-accent-color: #f7b731; /* Màu vàng */
      --page-39bet13-text-color: #fff;
      --page-39bet13-bg-dark: #1a1a1a;
      --page-39bet13-bg-light: #2c2c2c;
      --page-39bet13-border-color: #555;
      --page-39bet13-font-family: 'Arial', sans-serif;
    }

    .page-39bet13 {
      font-family: var(--page-39bet13-font-family);
      color: var(--page-39bet13-text-color);
      background-color: var(--page-39bet13-bg-dark);
      line-height: 1.6;
      overflow-x: hidden;
      padding-top: 10px; /* Nhỏ để tránh trùng với body padding-top từ shared.css */
    }

    .page-39bet13__section {
      padding: 40px 15px;
      margin-bottom: 20px;
      background-color: var(--page-39bet13-bg-light);
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
      box-sizing: border-box;
    }

    .page-39bet13__section--dark {
      background-color: var(--page-39bet13-bg-dark);
    }

    .page-39bet13__title {
      color: var(--page-39bet13-accent-color);
      margin-bottom: 20px;
      font-size: 2.5em;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-39bet13__subtitle {
      color: var(--page-39bet13-primary-color);
      margin-bottom: 15px;
      font-size: 1.8em;
    }

    .page-39bet13__text {
      font-size: 1.1em;
      margin-bottom: 15px;
      color: #ccc;
    }

    /* Hero Section */
    .page-39bet13__hero {
      position: relative;
      background-color: var(--page-39bet13-bg-dark);
      padding: 60px 15px 40px;
      text-align: center;
      overflow: hidden;
      border-radius: 0; /* No border-radius for hero to span full width */
    }

    .page-39bet13__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3;
      z-index: 0;
    }

    .page-39bet13__hero-content {
      position: relative;
      z-index: 1;
      max-width: 900px;
      margin: 0 auto;
    }

    .page-39bet13__hero-title {
      font-size: 3em;
      color: var(--page-39bet13-accent-color);
      margin-bottom: 15px;
      text-shadow: 3px 3px 6px rgba(0, 0, 0, 0.7);
      word-wrap: break-word;
    }

    .page-39bet13__hero-description {
      font-size: 1.3em;
      color: #eee;
      margin-bottom: 30px;
      word-wrap: break-word;
    }

    .page-39bet13__button-group {
      display: flex;
      justify-content: center;
      gap: 20px;
      flex-wrap: wrap;
    }

    .page-39bet13__button {
      background-color: var(--page-39bet13-primary-color);
      color: var(--page-39bet13-text-color);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      word-wrap: break-word;
    }

    .page-39bet13__button:hover {
      background-color: #ff6f40; /* Slightly lighter primary color */
      transform: translateY(-3px);
    }

    .page-39bet13__button--secondary {
      background-color: var(--page-39bet13-accent-color);
      color: var(--page-39bet13-secondary-color);
    }

    .page-39bet13__button--secondary:hover {
      background-color: #ffdd72; /* Slightly lighter accent color */
    }

    /* Floating Buttons */
    .page-39bet13__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-39bet13__floating-button {
      background-color: var(--page-39bet13-primary-color);
      color: var(--page-39bet13-text-color);
      padding: 12px 20px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      min-width: 100px;
      text-align: center;
    }

    .page-39bet13__floating-button:hover {
      background-color: #ff6f40;
      transform: translateY(-3px);
    }

    .page-39bet13__floating-button--login {
      background-color: var(--page-39bet13-accent-color);
      color: var(--page-39bet13-secondary-color);
    }

    .page-39bet13__floating-button--login:hover {
      background-color: #ffdd72;
    }

    /* Game Categories */
    .page-39bet13__categories-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      justify-content: center;
    }

    .page-39bet13__category-item {
      background-color: var(--page-39bet13-bg-dark);
      padding: 20px;
      border-radius: 8px;
      text-align: center;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      transition: transform 0.2s ease, box-shadow 0.2s ease;
      color: var(--page-39bet13-text-color);
      font-weight: bold;
      font-size: 1.1em;
      border: 1px solid var(--page-39bet13-border-color);
      word-wrap: break-word;
    }

    .page-39bet13__category-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
      color: var(--page-39bet13-accent-color);
      border-color: var(--page-39bet13-primary-color);
    }

    /* Product Display */
    .page-39bet13__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-39bet13__product-card {
      background-color: var(--page-39bet13-bg-dark);
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      text-align: left;
      transition: transform 0.3s ease;
      border: 1px solid var(--page-39bet13-border-color);
    }

    .page-39bet13__product-card:hover {
      transform: translateY(-8px);
    }

    .page-39bet13__product-image {
      width: 100%;
      height: 250px;
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }
    
    .page-39bet13__product-card:hover .page-39bet13__product-image {
      transform: scale(1.05);
    }

    .page-39bet13__product-content {
      padding: 20px;
    }

    .page-39bet13__product-title {
      font-size: 1.5em;
      color: var(--page-39bet13-primary-color);
      margin-bottom: 10px;
      word-wrap: break-word;
    }

    .page-39bet13__product-description {
      font-size: 0.95em;
      color: #bbb;
      margin-bottom: 15px;
      word-wrap: break-word;
    }

    /* Features */
    .page-39bet13__features-list {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 25px;
      margin-top: 30px;
      list-style: none;
      padding: 0;
    }

    .page-39bet13__feature-item {
      background-color: var(--page-39bet13-bg-dark);
      padding: 25px;
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      text-align: center;
      border: 1px solid var(--page-39bet13-border-color);
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-sizing: border-box; /* Ensure padding and border are included in width calculation */
    }

    .page-39bet13__feature-item:hover {
      background-color: #3a3a3a;
      transform: translateY(-5px);
    }

    .page-39bet13__feature-icon {
      width: 80px;
      height: 80px;
      margin-bottom: 15px;
      display: block;
      margin-left: auto;
      margin-right: auto;
      object-fit: contain;
    }

    .page-39bet13__feature-title {
      font-size: 1.3em;
      color: var(--page-39bet13-accent-color);
      margin-bottom: 10px;
      word-wrap: break-word;
    }

    .page-39bet13__feature-description {
      font-size: 0.9em;
      color: #ccc;
      word-wrap: break-word;
    }

    /* Promotions */
    .page-39bet13__promotion-card {
      background-color: var(--page-39bet13-primary-color);
      padding: 30px;
      border-radius: 10px;
      margin-top: 30px;
      text-align: center;
      box-shadow: 0 6px 20px rgba(0, 0, 0, 0.4);
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-39bet13__promotion-title {
      font-size: 2em;
      color: var(--page-39bet13-text-color);
      margin-bottom: 15px;
      word-wrap: break-word;
    }

    .page-39bet13__promotion-description {
      font-size: 1.1em;
      color: #f0f0f0;
      margin-bottom: 25px;
      max-width: 700px;
      word-wrap: break-word;
    }

    .page-39bet13__promotion-button {
      background-color: var(--page-39bet13-accent-color);
      color: var(--page-39bet13-secondary-color);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.3);
      word-wrap: break-word;
    }

    .page-39bet13__promotion-button:hover {
      background-color: #ffdd72;
      transform: translateY(-3px);
    }

    /* Payment Methods & Game Providers */
    .page-39bet13__logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      gap: 20px;
      margin-top: 30px;
      justify-items: center;
      align-items: center;
    }

    .page-39bet13__logo-item {
      padding: 10px;
      background-color: var(--page-39bet13-bg-dark);
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
      display: flex;
      justify-content: center;
      align-items: center;
      height: 80px;
      max-width: 150px;
      box-sizing: border-box;
      transition: transform 0.2s ease;
    }

    .page-39bet13__logo-item:hover {
      transform: scale(1.05);
    }

    .page-39bet13__logo-image {
      max-width: 100%;
      max-height: 100%;
      object-fit: contain;
      display: block;
    }

    /* FAQ Section */
    .page-39bet13__faq-section {
      text-align: left;
    }

    .page-39bet13__faq-item {
      background-color: var(--page-39bet13-bg-dark);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      border: 1px solid var(--page-39bet13-border-color);
    }

    .page-39bet13__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      background-color: #3a3a3a;
      cursor: pointer;
      user-select: none;
      transition: background-color 0.3s ease;
      color: var(--page-39bet13-accent-color);
      font-weight: bold;
    }

    .page-39bet13__faq-question:hover {
      background-color: #4a4a4a;
    }

    .page-39bet13__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click event */
      word-wrap: break-word;
    }

    .page-39bet13__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      color: var(--page-39bet13-primary-color);
      pointer-events: none; /* Prevent span from blocking click event */
      transition: transform 0.3s ease;
    }

    .page-39bet13__faq-item.active .page-39bet13__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'X' visually */
    }

    .page-39bet13__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      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: var(--page-39bet13-bg-dark);
      color: #ccc;
      font-size: 1em;
      word-wrap: break-word;
    }

    .page-39bet13__faq-item.active .page-39bet13__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important;
      opacity: 1;
    }
    
    /* Responsive Design */
    @media (max-width: 768px) {
      .page-39bet13__section {
        padding: 30px 10px;
        margin-left: 10px;
        margin-right: 10px;
      }

      .page-39bet13__hero {
        padding: 40px 10px 30px;
      }

      .page-39bet13__hero-title {
        font-size: 2.2em;
      }

      .page-39bet13__hero-description {
        font-size: 1.1em;
      }

      .page-39bet13__button-group {
        flex-direction: column;
        gap: 15px;
      }

      .page-39bet13__button {
        width: 100%;
        max-width: 300px;
        padding: 12px 20px;
        font-size: 1em;
        margin: 0 auto;
      }

      .page-39bet13__floating-buttons {
        bottom: 10px;
        right: 10px;
        flex-direction: row; /* Display side-by-side on smaller screens if space allows */
        gap: 8px;
        width: calc(100% - 20px);
        justify-content: center;
      }

      .page-39bet13__floating-button {
        padding: 10px 15px;
        font-size: 0.9em;
        min-width: unset;
        flex: 1;
      }
      
      .page-39bet13__title {
        font-size: 2em;
      }

      .page-39bet13__subtitle {
        font-size: 1.5em;
      }

      .page-39bet13__categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 15px;
      }

      .page-39bet13__category-item {
        padding: 15px;
        font-size: 0.95em;
      }

      .page-39bet13__product-grid {
        grid-template-columns: 1fr;
      }

      .page-39bet13__features-list {
        grid-template-columns: 1fr; /* Single column for features on mobile */
      }
      .page-39bet13__feature-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 20px !important; /* Adjust padding for mobile */
      }
      .page-39bet13__features-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-39bet13__promotion-card {
        padding: 20px;
      }

      .page-39bet13__promotion-title {
        font-size: 1.6em;
      }

      .page-39bet13__promotion-description {
        font-size: 1em;
      }

      .page-39bet13__logo-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
        gap: 15px;
      }

      .page-39bet13__logo-item {
        height: 60px;
        max-width: 120px;
      }

      .page-39bet13__faq-question {
        padding: 15px 20px;
      }

      .page-39bet13__faq-question h3 {
        font-size: 1.1em;
      }

      .page-39bet13__faq-answer {
        padding: 0 20px;
      }
      .page-39bet13__faq-item.active .page-39bet13__faq-answer {
        padding: 15px 20px !important;
      }

      /* Ensure all images are responsive */
      .page-39bet13 img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-39bet13__product-image,
      .page-39bet13__feature-icon,
      .page-39bet13__logo-image {
        max-width: 100% !important;
        height: auto !important; /* Override fixed height if any */
      }
      /* Ensure image containers are also responsive */
      .page-39bet13__product-card,
      .page-39bet13__feature-item,
      .page-39bet13__logo-item {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-39bet13__product-image {
        height: 200px !important; /* Maintain aspect ratio or adjust as needed */
      }
    }

    @media (max-width: 480px) {
      .page-39bet13__hero-title {
        font-size: 1.8em;
      }
      .page-39bet13__hero-description {
        font-size: 1em;
      }
      .page-39bet13__floating-buttons {
        flex-direction: column;
        align-items: stretch;
      }
      .page-39bet13__floating-button {
        width: 100%;
      }
      .page-39bet13__categories-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      }
      .page-39bet13__logo-grid {
        grid-template-columns: repeat(auto-fit, minmax(70px, 1fr));
      }
    }