:root {
      --page-99ok-primary-color: #f39c12; /* Màu cam nổi bật */
      --page-99ok-secondary-color: #e67e22; /* Màu cam đậm hơn */
      --page-99ok-dark-bg: #2c3e50; /* Nền xanh đen */
      --page-99ok-light-bg: #ecf0f1; /* Nền xám nhạt */
      --page-99ok-text-color: #ffffff; /* Chữ trắng */
      --page-99ok-dark-text-color: #34495e; /* Chữ xám đậm */
      --page-99ok-accent-color: #3498db; /* Màu xanh dương nhấn */
      --page-99ok-border-radius: 8px;
      --page-99ok-padding-medium: 20px;
      --page-99ok-padding-small: 10px;
      --page-99ok-font-family: 'Arial', sans-serif;
    }

    .page-99ok {
      font-family: var(--page-99ok-font-family);
      color: var(--page-99ok-text-color);
      background-color: var(--page-99ok-dark-bg);
      line-height: 1.6;
      overflow-x: hidden;
    }

    /* Đảm bảo nội dung không bị che bởi header cố định */
    .page-99ok__hero-section {
      padding-top: 120px; /* Khoảng cách cho header cố định */
      background-color: #1a242f; /* Nền tối hơn cho phần hero */
    }

    @media (max-width: 768px) {
      .page-99ok__hero-section {
        padding-top: 100px; /* Khoảng cách cho header cố định trên di động */
      }
    }

    .page-99ok__section {
      padding: 60px var(--page-99ok-padding-medium);
      text-align: center;
      max-width: 1200px;
      margin: 0 auto;
      box-sizing: border-box;
    }

    .page-99ok__section--dark {
      background-color: var(--page-99ok-dark-bg);
    }

    .page-99ok__section--light {
      background-color: #1a242f; /* Nền hơi sáng hơn cho các phần xen kẽ */
      color: var(--page-99ok-text-color);
    }

    .page-99ok__title {
      font-size: 2.8em;
      color: var(--page-99ok-primary-color);
      margin-bottom: 20px;
      text-transform: uppercase;
      font-weight: bold;
    }

    .page-99ok__subtitle {
      font-size: 1.8em;
      color: var(--page-99ok-accent-color);
      margin-bottom: 30px;
    }

    .page-99ok__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: #ccc;
    }

    .page-99ok__button {
      display: inline-block;
      background-color: var(--page-99ok-primary-color);
      color: var(--page-99ok-text-color);
      padding: 15px 30px;
      border-radius: var(--page-99ok-border-radius);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-99ok__button:hover {
      background-color: var(--page-99ok-secondary-color);
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-99ok__hero-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 500px; /* Đảm bảo chiều cao tối thiểu */
      padding: var(--page-99ok-padding-medium);
    }

    .page-99ok__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }
    
    .page-99ok__hero-image {
      width: 100%;
      height: auto;
      display: block;
      border-radius: var(--page-99ok-border-radius);
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
    }

    .page-99ok__hero-headline {
      font-size: 3.5em;
      color: var(--page-99ok-primary-color);
      margin-bottom: 20px;
      line-height: 1.2;
    }

    .page-99ok__hero-description {
      font-size: 1.3em;
      color: #e0e0e0;
      margin-bottom: 40px;
      max-width: 800px;
    }

    /* Floating Login Button */
    .page-99ok__floating-login {
      position: fixed;
      bottom: 20px;
      right: 20px;
      background-color: var(--page-99ok-accent-color);
      color: var(--page-99ok-text-color);
      padding: 12px 25px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .page-99ok__floating-login:hover {
      background-color: #2980b9;
      transform: translateY(-3px);
    }

    /* Game Categories */
    .page-99ok__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-99ok__game-card {
      background-color: #1a242f;
      border-radius: var(--page-99ok-border-radius);
      overflow: hidden;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: left;
      display: flex;
      flex-direction: column;
    }

    .page-99ok__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-99ok__game-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-99ok__game-image {
      width: 100%;
      height: 200px; /* Chiều cao cố định cho hình ảnh game */
      object-fit: cover;
      display: block;
      transition: transform 0.3s ease;
    }

    .page-99ok__game-card:hover .page-99ok__game-image {
      transform: scale(1.05);
    }

    .page-99ok__game-card-content {
      padding: var(--page-99ok-padding-medium);
      flex-grow: 1;
      display: flex;
      flex-direction: column;
      justify-content: space-between;
    }

    .page-99ok__game-card-title {
      font-size: 1.5em;
      color: var(--page-99ok-primary-color);
      margin-bottom: 10px;
      text-align: center;
    }

    .page-99ok__game-card-title a {
      color: var(--page-99ok-primary-color);
      text-decoration: none;
      transition: color 0.3s ease;
    }

    .page-99ok__game-card-title a:hover {
      color: var(--page-99ok-secondary-color);
    }

    .page-99ok__game-card-description {
      font-size: 0.95em;
      color: #b0b0b0;
      margin-bottom: 15px;
      flex-grow: 1;
    }

    .page-99ok__game-card-button {
      display: block;
      width: fit-content;
      margin: 0 auto;
      background-color: var(--page-99ok-accent-color);
      color: var(--page-99ok-text-color);
      padding: 10px 20px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      transition: background-color 0.3s ease;
    }

    .page-99ok__game-card-button:hover {
      background-color: #2980b9;
    }

    /* Game Providers */
    .page-99ok__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 20px;
      margin-top: 40px;
      align-items: center;
      justify-content: center;
    }

    .page-99ok__provider-logo-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      background-color: #1a242f;
      padding: 15px;
      border-radius: var(--page-99ok-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100px; /* Đảm bảo logo có không gian */
    }

    .page-99ok__provider-logo-wrapper:hover {
      transform: translateY(-5px);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
    }

    .page-99ok__provider-logo {
      width: 100%;
      max-width: 100px; /* Giới hạn kích thước logo */
      height: auto;
      display: block;
      object-fit: contain;
    }

    /* Why Choose Us */
    .page-99ok__features-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-99ok__feature-item {
      background-color: #1a242f;
      padding: var(--page-99ok-padding-medium);
      border-radius: var(--page-99ok-border-radius);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-99ok__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.4);
    }

    .page-99ok__feature-icon-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
      display: flex;
      justify-content: center;
    }

    .page-99ok__feature-icon {
      width: 80px; /* Kích thước icon */
      height: 80px;
      object-fit: contain;
      margin: 0 auto;
    }

    .page-99ok__feature-title {
      font-size: 1.4em;
      color: var(--page-99ok-primary-color);
      margin-bottom: 10px;
    }

    .page-99ok__feature-description {
      font-size: 1em;
      color: #b0b0b0;
    }

    /* FAQ Section */
    .page-99ok__faq-container {
      margin-top: 40px;
      text-align: left;
    }

    .page-99ok__faq-item {
      background-color: #1a242f;
      border-radius: var(--page-99ok-border-radius);
      margin-bottom: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      overflow: hidden;
    }

    .page-99ok__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px var(--page-99ok-padding-medium);
      cursor: pointer;
      user-select: none;
      background-color: var(--page-99ok-dark-bg);
      color: var(--page-99ok-primary-color);
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
      border-bottom: 1px solid #34495e;
    }

    .page-99ok__faq-question:hover {
      background-color: #34495e;
    }

    .page-99ok__faq-question h3 {
      margin: 0;
      color: var(--page-99ok-primary-color);
      font-size: 1.2em;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      flex-grow: 1;
    }

    .page-99ok__faq-toggle {
      font-size: 1.8em;
      line-height: 1;
      margin-left: 15px;
      color: var(--page-99ok-accent-color);
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
      transition: transform 0.3s ease;
    }

    .page-99ok__faq-item.active .page-99ok__faq-toggle {
      transform: rotate(45deg); /* Xoay dấu + thành X hoặc dấu trừ */
    }

    .page-99ok__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 var(--page-99ok-padding-medium);
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #e0e0e0;
      font-size: 1em;
      line-height: 1.8;
    }

    .page-99ok__faq-item.active .page-99ok__faq-answer {
      max-height: 2000px !important; /* Đảm bảo đủ cao cho mọi nội dung */
      padding: 20px var(--page-99ok-padding-medium) !important;
      opacity: 1;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-99ok__section {
        padding: 40px var(--page-99ok-padding-small);
      }

      .page-99ok__title {
        font-size: 2em;
      }

      .page-99ok__subtitle {
        font-size: 1.4em;
      }

      .page-99ok__hero-headline {
        font-size: 2.5em;
      }

      .page-99ok__hero-description {
        font-size: 1.1em;
      }

      .page-99ok__button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-99ok__floating-login {
        bottom: 15px;
        right: 15px;
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-99ok__game-categories {
        grid-template-columns: 1fr;
      }

      .page-99ok__provider-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      }

      .page-99ok__feature-item {
        padding: var(--page-99ok-padding-small);
      }

      .page-99ok__faq-question {
        padding: 15px var(--page-99ok-padding-small);
        font-size: 1.1em;
      }

      .page-99ok__faq-question h3 {
        font-size: 1.1em;
      }

      .page-99ok__faq-toggle {
        font-size: 1.5em;
      }

      .page-99ok__faq-answer {
        padding: 15px var(--page-99ok-padding-small);
      }

      /* Responsive images with !important */
      .page-99ok__hero-image,
      .page-99ok__game-image,
      .page-99ok__provider-logo,
      .page-99ok__feature-icon {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-99ok__hero-image-wrapper,
      .page-99ok__game-image-wrapper,
      .page-99ok__provider-logo-wrapper,
      .page-99ok__feature-icon-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }