:root {
      --page-f186vns-primary-color: #e63946; /* Đỏ tươi */
      --page-f186vns-secondary-color: #f1faee; /* Trắng ngà */
      --page-f186vns-accent-color: #457b9d; /* Xanh lam */
      --page-f186vns-dark-color: #1d3557; /* Xanh đậm */
      --page-f186vns-text-color: #333333; /* Xám đậm */
      --page-f186vns-light-text-color: #ffffff; /* Trắng */
      --page-f186vns-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
      --page-f186vns-border-radius: 8px;
    }

    .page-f186vns {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-f186vns-text-color);
      background-color: var(--page-f186vns-secondary-color);
      padding-top: 10px; /* Nhẹ nhàng để tránh đè lên header nếu body đã có padding-top */
    }

    /* Đảm bảo màu sắc đủ tương phản */
    .page-f186vns h1, .page-f186vns h2, .page-f186vns h3 {
      color: var(--page-f186vns-dark-color);
      margin-bottom: 15px;
      line-height: 1.3;
    }

    .page-f186vns p {
      margin-bottom: 15px;
    }

    .page-f186vns__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-f186vns-light-text-color);
      border-radius: var(--page-f186vns-border-radius);
      box-shadow: var(--page-f186vns-shadow);
      max-width: 1200px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-f186vns__section--dark {
      background-color: var(--page-f186vns-dark-color);
      color: var(--page-f186vns-light-text-color);
    }

    .page-f186vns__section--dark h2,
    .page-f186vns__section--dark h3 {
      color: var(--page-f186vns-secondary-color);
    }

    .page-f186vns__container {
      max-width: 1000px;
      margin: 0 auto;
      padding: 0 15px;
    }

    .page-f186vns__hero-section {
      background-image: url('[GALLERY:hero:1920x1080:f186vns,betting,mobile,casino,sports]');
      background-size: cover;
      background-position: center;
      color: var(--page-f186vns-light-text-color);
      text-align: center;
      padding: 100px 20px;
      border-radius: var(--page-f186vns-border-radius);
      margin-bottom: 20px;
      position: relative;
      overflow: hidden;
    }

    .page-f186vns__hero-section::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: rgba(0, 0, 0, 0.5); /* Lớp phủ tối để chữ nổi bật */
      z-index: 1;
    }

    .page-f186vns__hero-content {
      position: relative;
      z-index: 2;
      max-width: 800px;
      margin: 0 auto;
    }

    .page-f186vns__hero-title {
      font-size: 3.5em;
      margin-bottom: 20px;
      color: var(--page-f186vns-secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    .page-f186vns__hero-description {
      font-size: 1.3em;
      margin-bottom: 30px;
      color: var(--page-f186vns-secondary-color);
      text-shadow: 1px 1px 3px rgba(0, 0, 0, 0.7);
    }

    .page-f186vns__button-group {
      display: flex;
      justify-content: center;
      gap: 20px;
      margin-top: 30px;
    }

    .page-f186vns__button {
      display: inline-block;
      padding: 15px 30px;
      background-color: var(--page-f186vns-primary-color);
      color: var(--page-f186vns-light-text-color);
      border: none;
      border-radius: 50px;
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none; /* Đảm bảo không có gạch chân nếu dùng <a> nhưng không có href */
    }

    .page-f186vns__button:hover {
      background-color: #cc2936;
      transform: translateY(-2px);
    }

    .page-f186vns__button--secondary {
      background-color: var(--page-f186vns-accent-color);
    }

    .page-f186vns__button--secondary:hover {
      background-color: #3a6886;
    }

    .page-f186vns__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      display: flex;
      flex-direction: column;
      gap: 10px;
      z-index: 1000;
    }

    .page-f186vns__floating-button {
      background-color: var(--page-f186vns-primary-color);
      color: var(--page-f186vns-light-text-color);
      border: none;
      border-radius: 50%;
      width: 60px;
      height: 60px;
      display: flex;
      align-items: center;
      justify-content: center;
      font-size: 0.9em;
      font-weight: bold;
      text-align: center;
      box-shadow: var(--page-f186vns-shadow);
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none;
    }

    .page-f186vns__floating-button:hover {
      background-color: #cc2936;
      transform: scale(1.05);
    }

    .page-f186vns__floating-button--login {
      background-color: var(--page-f186vns-accent-color);
    }

    .page-f186vns__floating-button--login:hover {
      background-color: #3a6886;
    }

    .page-f186vns__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-f186vns__card {
      background-color: var(--page-f186vns-secondary-color);
      border-radius: var(--page-f186vns-border-radius);
      box-shadow: var(--page-f186vns-shadow);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease;
      box-sizing: border-box;
    }

    .page-f186vns__card:hover {
      transform: translateY(-5px);
    }

    .page-f186vns__card-image {
      width: 100%;
      height: 250px;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-f186vns__card-content {
      padding: 20px;
    }

    .page-f186vns__card-title {
      font-size: 1.4em;
      color: var(--page-f186vns-primary-color);
      margin-bottom: 10px;
    }

    .page-f186vns__card-description {
      font-size: 0.95em;
      color: var(--page-f186vns-text-color);
    }

    .page-f186vns__promo-item {
      display: flex;
      align-items: center;
      gap: 20px;
      margin-bottom: 25px;
      background-color: var(--page-f186vns-light-text-color);
      padding: 20px;
      border-radius: var(--page-f186vns-border-radius);
      box-shadow: var(--page-f186vns-shadow);
      flex-wrap: wrap;
    }

    .page-f186vns__promo-image-wrapper {
      flex: 0 0 auto;
      width: 200px;
      height: 150px;
      overflow: hidden;
      border-radius: var(--page-f186vns-border-radius);
      box-sizing: border-box;
    }

    .page-f186vns__promo-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-f186vns__promo-content {
      flex: 1;
      min-width: 280px;
    }

    .page-f186vns__promo-title {
      font-size: 1.5em;
      color: var(--page-f186vns-primary-color);
      margin-bottom: 10px;
    }

    .page-f186vns__promo-description {
      font-size: 1em;
      color: var(--page-f186vns-text-color);
    }

    .page-f186vns__promo-link {
      display: inline-block;
      margin-top: 15px;
      padding: 10px 20px;
      background-color: var(--page-f186vns-accent-color);
      color: var(--page-f186vns-light-text-color);
      border-radius: 5px;
      text-decoration: none;
      transition: background-color 0.3s ease;
    }

    .page-f186vns__promo-link:hover {
      background-color: #3a6886;
    }

    .page-f186vns__features-list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: 20px;
    }

    .page-f186vns__features-item {
      background-color: var(--page-f186vns-light-text-color);
      padding: 20px;
      border-radius: var(--page-f186vns-border-radius);
      box-shadow: var(--page-f186vns-shadow);
      text-align: center;
      box-sizing: border-box;
    }

    .page-f186vns__features-icon {
      margin-bottom: 15px;
      width: 80px; /* Tăng kích thước icon */
      height: 80px;
      object-fit: contain;
      max-width: 100%;
      box-sizing: border-box;
    }

    .page-f186vns__features-title {
      font-size: 1.2em;
      color: var(--page-f186vns-dark-color);
      margin-bottom: 10px;
    }

    .page-f186vns__features-description {
      font-size: 0.9em;
      color: var(--page-f186vns-text-color);
    }

    .page-f186vns__faq-section {
      padding: 40px 20px;
      background-color: var(--page-f186vns-light-text-color);
      border-radius: var(--page-f186vns-border-radius);
      box-shadow: var(--page-f186vns-shadow);
      max-width: 1000px;
      margin: 20px auto;
    }

    .page-f186vns__faq-item {
      border-bottom: 1px solid #eee;
      margin-bottom: 10px;
      padding-bottom: 10px;
      box-sizing: border-box;
    }

    .page-f186vns__faq-item:last-child {
      border-bottom: none;
      margin-bottom: 0;
      padding-bottom: 0;
    }

    .page-f186vns__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      cursor: pointer;
      padding: 15px 0;
      user-select: none;
      color: var(--page-f186vns-dark-color);
      font-weight: bold;
      transition: color 0.3s ease;
    }

    .page-f186vns__faq-question:hover {
      color: var(--page-f186vns-primary-color);
    }

    .page-f186vns__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      flex-grow: 1;
      text-align: left;
    }

    .page-f186vns__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 10px;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
      transition: transform 0.3s ease;
    }

    .page-f186vns__faq-item.active .page-f186vns__faq-toggle {
      transform: rotate(45deg); /* Biểu tượng '-' khi mở */
    }

    .page-f186vns__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: var(--page-f186vns-text-color);
      box-sizing: border-box;
    }

    .page-f186vns__faq-item.active .page-f186vns__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-f186vns__faq-answer p {
      margin-bottom: 0;
    }

    /* Responsive Design */
    @media (max-width: 1024px) {
      .page-f186vns__hero-title {
        font-size: 2.8em;
      }
      .page-f186vns__hero-description {
        font-size: 1.1em;
      }
    }

    @media (max-width: 768px) {
      .page-f186vns__hero-section {
        padding: 80px 15px;
      }
      .page-f186vns__hero-title {
        font-size: 2.2em;
      }
      .page-f186vns__hero-description {
        font-size: 1em;
      }
      .page-f186vns__button-group {
        flex-direction: column;
        gap: 15px;
      }
      .page-f186vns__button {
        width: 100%;
        padding: 12px 20px;
        font-size: 1em;
      }
      .page-f186vns__floating-buttons {
        bottom: 15px;
        right: 15px;
        flex-direction: row;
        gap: 8px;
      }
      .page-f186vns__floating-button {
        width: 50px;
        height: 50px;
        font-size: 0.8em;
      }
      .page-f186vns__grid {
        grid-template-columns: 1fr;
      }
      .page-f186vns__section {
        padding: 30px 15px;
      }
      .page-f186vns__promo-item {
        flex-direction: column;
        text-align: center;
      }
      .page-f186vns__promo-image-wrapper {
        width: 100%;
        height: 200px;
        margin-bottom: 15px;
      }
      .page-f186vns__promo-content {
        min-width: unset;
        width: 100%;
      }
      .page-f186vns__features-list {
        grid-template-columns: 1fr;
        padding: 0 !important; /* Đảm bảo không có padding thừa */
        width: 100% !important;
        max-width: 100% !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        box-sizing: border-box !important;
      }
      .page-f186vns__features-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 15px !important;
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
      }
      .page-f186vns__faq-question h3 {
        font-size: 1em;
      }
      .page-f186vns__faq-answer {
        padding: 0 10px;
      }
      .page-f186vns__faq-item.active .page-f186vns__faq-answer {
        padding: 15px 10px !important;
      }
      .page-f186vns__card-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-f186vns__promo-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-f186vns__features-icon {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
    }

    @media (max-width: 480px) {
      .page-f186vns__hero-title {
        font-size: 1.8em;
      }
      .page-f186vns__hero-description {
        font-size: 0.9em;
      }
      .page-f186vns__floating-button {
        width: 45px;
        height: 45px;
        font-size: 0.75em;
      }
    }