.page-nk-88 {
    font-family: 'Arial', sans-serif;
    color: #f0f0f0;
    background-color: #1a1a1a;
    line-height: 1.6;
    padding-top: var(--header-offset, 10px); /* Đảm bảo không bị che bởi header cố định, 10px là khoảng cách trang trí */
  }

  .page-nk-88__container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 15px;
  }

  .page-nk-88__hero-section {
    background: url('[GALLERY:hero:1920x1080:gaming,abstract,neon]') no-repeat center center/cover;
    padding: 100px 15px 80px;
    text-align: center;
    position: relative;
    color: #ffffff;
    overflow: hidden;
  }

  .page-nk-88__hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.6);
    z-index: 1;
  }

  .page-nk-88__hero-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
  }

  .page-nk-88__brand-title {
    font-size: 3.5em;
    margin-bottom: 10px;
    color: #ffcc00;
    text-shadow: 0 0 10px rgba(255, 204, 0, 0.7);
    font-weight: bold;
    line-height: 1.2;
  }

  .page-nk-88__hero-tagline {
    font-size: 1.5em;
    margin-bottom: 30px;
    color: #e0e0e0;
  }

  .page-nk-88__promo-button {
    display: inline-block;
    background-color: #e44d26; /* Orange-red for action */
    color: #ffffff;
    padding: 15px 30px;
    border-radius: 50px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1.1em;
    transition: background-color 0.3s ease, transform 0.3s ease;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    border: none;
    cursor: pointer;
  }

  .page-nk-88__promo-button:hover {
    background-color: #ff6a3d;
    transform: translateY(-3px);
  }

  .page-nk-88__floating-buttons {
    position: fixed;
    top: 50%;
    right: 15px;
    transform: translateY(-50%);
    display: flex;
    flex-direction: column;
    gap: 15px;
    z-index: 1000;
  }

  .page-nk-88__floating-button {
    background-color: #007bff; /* Blue for action */
    color: #ffffff;
    padding: 12px 20px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: bold;
    font-size: 1em;
    text-align: center;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
    transition: background-color 0.3s ease, transform 0.3s ease;
    border: none;
    cursor: pointer;
    white-space: nowrap;
  }

  .page-nk-88__floating-button--register {
    background-color: #28a745; /* Green for register */
  }

  .page-nk-88__floating-button--register:hover {
    background-color: #218838;
    transform: scale(1.05);
  }

  .page-nk-88__floating-button--login {
    background-color: #007bff; /* Blue for login */
  }

  .page-nk-88__floating-button--login:hover {
    background-color: #0056b3;
    transform: scale(1.05);
  }

  .page-nk-88__section-title {
    font-size: 2.5em;
    color: #ffcc00;
    text-align: center;
    margin-bottom: 40px;
    position: relative;
    padding-bottom: 10px;
  }

  .page-nk-88__section-title::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: 0;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background-color: #e44d26;
    border-radius: 2px;
  }

  .page-nk-88__description {
    text-align: center;
    max-width: 800px;
    margin: 0 auto 40px auto;
    color: #cccccc;
    font-size: 1.1em;
  }

  .page-nk-88__product-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    justify-items: center; /* Center items within grid cells */
    margin-bottom: 60px;
  }

  .page-nk-88__product-card {
    background-color: #2a2a2a;
    border-radius: 15px;
    overflow: hidden;
    text-align: center;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.4);
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    width: 100%;
    max-width: 350px; /* Limit card width */
  }

  .page-nk-88__product-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 12px 25px rgba(0, 0, 0, 0.6);
  }

  .page-nk-88__product-image {
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-bottom: 3px solid #e44d26;
  }

  .page-nk-88__product-content {
    padding: 25px 20px;
  }

  .page-nk-88__product-title {
    font-size: 1.8em;
    color: #ffcc00;
    margin-bottom: 15px;
    font-weight: bold;
  }

  .page-nk-88__product-description {
    font-size: 1em;
    color: #cccccc;
    margin-bottom: 20px;
  }

  .page-nk-88__feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 60px;
  }

  .page-nk-88__feature-item {
    background-color: #2a2a2a;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
    text-align: center;
    transition: background-color 0.3s ease;
    box-sizing: border-box; /* Ensure padding is included in width */
  }

  .page-nk-88__feature-item:hover {
    background-color: #3a3a3a;
  }

  .page-nk-88__feature-icon {
    width: 200px;
    height: 200px;
    margin-bottom: 20px;
    object-fit: contain;
  }

  .page-nk-88__feature-title {
    font-size: 1.6em;
    color: #ffcc00;
    margin-bottom: 10px;
  }

  .page-nk-88__feature-description {
    color: #cccccc;
  }

  .page-nk-88__payment-methods {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    margin-bottom: 60px;
  }

  .page-nk-88__payment-logo {
    width: 200px;
    height: 100px;
    object-fit: contain;
    filter: grayscale(80%);
    transition: filter 0.3s ease;
  }

  .page-nk-88__payment-logo:hover {
    filter: grayscale(0%);
  }

  .page-nk-88__game-providers {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 25px;
    margin-bottom: 60px;
  }

  .page-nk-88__provider-logo {
    width: 200px;
    height: 100px;
    object-fit: contain;
    filter: grayscale(80%);
    transition: filter 0.3s ease;
  }

  .page-nk-88__provider-logo:hover {
    filter: grayscale(0%);
  }

  .page-nk-88__faq-section {
    background-color: #222222;
    padding: 60px 0;
    margin-bottom: 60px;
  }

  .page-nk-88__faq-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 0 15px;
  }

  .page-nk-88__faq-item {
    margin-bottom: 15px;
    border: 1px solid #333333;
    border-radius: 10px;
    overflow: hidden;
    background-color: #2a2a2a;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
  }

  .page-nk-88__faq-question {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 25px;
    background-color: #333333;
    cursor: pointer;
    user-select: none;
    color: #ffcc00;
    font-weight: bold;
    font-size: 1.2em;
    transition: background-color 0.3s ease;
  }

  .page-nk-88__faq-question:hover {
    background-color: #444444;
  }

  .page-nk-88__faq-question h3 {
    margin: 0;
    font-size: 1.2em;
    color: #ffcc00;
    pointer-events: none; /* Prevent h3 from blocking click event */
  }

  .page-nk-88__faq-toggle {
    font-size: 1.8em;
    font-weight: bold;
    color: #e44d26;
    transition: transform 0.3s ease;
    pointer-events: none; /* Prevent toggle icon from blocking click event */
  }

  .page-nk-88__faq-item.active .page-nk-88__faq-toggle {
    transform: rotate(45deg);
    color: #ffcc00;
  }

  .page-nk-88__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;
    color: #cccccc;
  }

  .page-nk-88__faq-item.active .page-nk-88__faq-answer {
    max-height: 2000px !important; /* Sufficiently large value */
    padding: 20px 25px !important;
    opacity: 1;
  }

  .page-nk-88__cta-section {
    text-align: center;
    padding: 50px 15px;
    background-color: #2a2a2a;
    border-top: 5px solid #e44d26;
  }

  .page-nk-88__cta-title {
    font-size: 2.2em;
    color: #ffcc00;
    margin-bottom: 20px;
  }

  .page-nk-88__cta-description {
    font-size: 1.1em;
    color: #cccccc;
    margin-bottom: 30px;
    max-width: 700px;
    margin-left: auto;
    margin-right: auto;
  }

  /* Responsive Adjustments */
  @media (max-width: 768px) {
    .page-nk-88__hero-section {
      padding: 80px 15px 60px;
    }

    .page-nk-88__brand-title {
      font-size: 2.5em;
    }

    .page-nk-88__hero-tagline {
      font-size: 1.2em;
    }

    .page-nk-88__section-title {
      font-size: 2em;
    }

    .page-nk-88__description {
      font-size: 1em;
    }

    .page-nk-88__product-grid {
      grid-template-columns: 1fr;
    }

    .page-nk-88__product-card {
      max-width: 100%;
    }

    .page-nk-88__feature-list {
      grid-template-columns: 1fr;
      padding: 0 !important;
      margin-left: 0 !important;
      margin-right: 0 !important;
      box-sizing: border-box !important;
    }

    .page-nk-88__feature-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;
      word-break: break-word !important;
    }

    .page-nk-88__floating-buttons {
      flex-direction: row;
      width: calc(100% - 30px);
      left: 15px;
      right: 15px;
      top: auto;
      bottom: 20px;
      transform: none;
      justify-content: center;
      background-color: rgba(0, 0, 0, 0.7);
      padding: 10px;
      border-radius: 10px;
    }

    .page-nk-88__floating-button {
      flex: 1;
      padding: 10px 15px;
      font-size: 0.9em;
    }

    .page-nk-88__payment-methods,
    .page-nk-88__game-providers {
      padding: 0 !important;
      margin-left: 0 !important;
      margin-right: 0 !important;
      box-sizing: border-box !important;
    }

    .page-nk-88__payment-logo,
    .page-nk-88__provider-logo {
      width: 100% !important; /* Allow logos to take full width */
      max-width: 150px !important; /* Keep a reasonable max-width */
      height: auto !important;
      box-sizing: border-box !important;
      margin-left: 0 !important;
      margin-right: 0 !important;
    }

    .page-nk-88__faq-question {
      padding: 15px 20px;
      font-size: 1.1em;
    }

    .page-nk-88__faq-question h3 {
      font-size: 1.1em;
    }

    .page-nk-88__faq-answer {
      padding: 0 20px;
    }

    .page-nk-88__faq-item.active .page-nk-88__faq-answer {
      padding: 15px 20px !important;
    }

    .page-nk-88__cta-title {
      font-size: 1.8em;
    }

    .page-nk-88__cta-description {
      font-size: 1em;
    }

    /* Ensure images are responsive */
    .page-nk-88 img {
      max-width: 100% !important;
      height: auto !important;
      box-sizing: border-box !important;
    }
  }

  @media (max-width: 480px) {
    .page-nk-88__floating-buttons {
      flex-direction: column;
      width: calc(100% - 30px);
      left: 15px;
      right: 15px;
      bottom: 10px;
    }
    .page-nk-88__floating-button {
      width: 100%;
    }
  }