:root {
      --page-999okwin__primary-color: #e44d26; /* Cam đỏ */
      --page-999okwin__secondary-color: #333; /* Đen xám */
      --page-999okwin__text-color: #333; /* Màu chữ chính */
      --page-999okwin__background-color: #f8f8f8; /* Nền sáng */
      --page-999okwin__light-gray: #eee; /* Xám nhạt */
      --page-999okwin__white: #fff; /* Trắng */
      --page-999okwin__dark-gray: #555; /* Xám đậm */
      --page-999okwin__accent-color: #f7b731; /* Vàng cam */
    }

    .page-999okwin {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-999okwin__text-color);
      background-color: var(--page-999okwin__background-color);
      padding: 0;
      margin: 0;
      box-sizing: border-box;
      overflow-x: hidden;
    }

    .page-999okwin__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-999okwin__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-999okwin__white);
      border-radius: 8px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
      box-sizing: border-box;
    }

    .page-999okwin__section--dark {
      background-color: var(--page-999okwin__secondary-color);
      color: var(--page-999okwin__white);
    }

    .page-999okwin__heading {
      text-align: center;
      color: var(--page-999okwin__primary-color);
      margin-bottom: 30px;
      font-size: 2.2em;
      font-weight: bold;
    }

    .page-999okwin__heading--light {
      color: var(--page-999okwin__accent-color);
    }

    .page-999okwin__subheading {
      color: var(--page-999okwin__secondary-color);
      font-size: 1.6em;
      margin-bottom: 20px;
      border-bottom: 2px solid var(--page-999okwin__light-gray);
      padding-bottom: 10px;
    }

    .page-999okwin__paragraph {
      margin-bottom: 15px;
      font-size: 1.05em;
      line-height: 1.7;
      color: var(--page-999okwin__dark-gray);
    }

    .page-999okwin__paragraph strong {
      color: var(--page-999okwin__primary-color);
    }

    .page-999okwin__button {
      display: inline-block;
      background-color: var(--page-999okwin__primary-color);
      color: var(--page-999okwin__white);
      padding: 12px 25px;
      border-radius: 5px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-align: center;
      border: none;
      cursor: pointer;
      font-size: 1em;
    }

    .page-999okwin__button:hover {
      background-color: #c93a18;
      transform: translateY(-2px);
    }

    /* Hero Section */
    .page-999okwin__hero-section {
      background-color: var(--page-999okwin__secondary-color);
      color: var(--page-999okwin__white);
      text-align: center;
      padding: 10px 0 40px 0; /* Adjusted padding-top for fixed header */
      position: relative;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-999okwin__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
    }

    .page-999okwin__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      border-radius: 8px;
    }

    .page-999okwin__hero-content {
      position: relative;
      z-index: 2;
      padding: 0 20px;
    }

    .page-999okwin__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-999okwin__accent-color);
      line-height: 1.2;
    }

    .page-999okwin__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
      color: var(--page-999okwin__light-gray);
    }

    /* Floating Promotion Button */
    .page-999okwin__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: var(--page-999okwin__primary-color);
      color: var(--page-999okwin__white);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.3s ease;
      white-space: nowrap;
      text-align: center;
      animation: page-999okwin__bounce 2s infinite;
    }

    .page-999okwin__floating-button:hover {
      background-color: #c93a18;
      transform: translateX(-50%) scale(1.05);
    }

    @keyframes page-999okwin__bounce {
      0%, 20%, 50%, 80%, 100% {
        transform: translateX(-50%) translateY(0);
      }
      40% {
        transform: translateX(-50%) translateY(-15px);
      }
      60% {
        transform: translateX(-50%) translateY(-7px);
      }
    }

    /* Game Categories */
    .page-999okwin__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 25px;
    }

    .page-999okwin__game-card {
      background-color: var(--page-999okwin__white);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-decoration: none;
      color: inherit;
    }

    .page-999okwin__game-card:hover {
      transform: translateY(-8px);
      box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
    }

    .page-999okwin__game-card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 200px; /* Fixed height for consistency */
      display: flex;
      align-items: center;
      justify-content: center;
    }

    .page-999okwin__game-card-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      width: 100%;
      min-height: 200px; /* Ensure images fill height */
    }

    .page-999okwin__game-card-content {
      padding: 20px;
    }

    .page-999okwin__game-card-title {
      font-size: 1.4em;
      margin-bottom: 10px;
      color: var(--page-999okwin__primary-color);
      font-weight: bold;
    }

    .page-999okwin__game-card-description {
      font-size: 0.95em;
      color: var(--page-999okwin__dark-gray);
    }

    /* Promotions Section */
    .page-999okwin__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 25px;
    }

    .page-999okwin__promo-card {
      background-color: var(--page-999okwin__light-gray);
      border-radius: 10px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      transition: transform 0.3s ease;
    }

    .page-999okwin__promo-card:hover {
      transform: translateY(-5px);
    }

    .page-999okwin__promo-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      height: 220px;
    }

    .page-999okwin__promo-image {
      max-width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      width: 100%;
      min-height: 220px;
    }

    .page-999okwin__promo-content {
      padding: 20px;
    }

    .page-999okwin__promo-title {
      font-size: 1.5em;
      color: var(--page-999okwin__primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-999okwin__promo-description {
      font-size: 0.95em;
      color: var(--page-999okwin__text-color);
      margin-bottom: 15px;
    }

    /* How To Section */
    .page-999okwin__steps-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      text-align: center;
    }

    .page-999okwin__step-item {
      background-color: var(--page-999okwin__light-gray);
      padding: 30px 20px;
      border-radius: 10px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
    }

    .page-999okwin__step-icon {
      font-size: 3em;
      color: var(--page-999okwin__primary-color);
      margin-bottom: 15px;
    }

    .page-999okwin__step-title {
      font-size: 1.3em;
      color: var(--page-999okwin__primary-color);
      margin-bottom: 10px;
      font-weight: bold;
    }

    .page-999okwin__step-description {
      font-size: 1em;
      color: var(--page-999okwin__dark-gray);
    }

    /* FAQ Section */
    .page-999okwin__faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-999okwin__faq-item {
      background-color: var(--page-999okwin__light-gray);
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
    }

    .page-999okwin__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--page-999okwin__primary-color);
      color: var(--page-999okwin__white);
      cursor: pointer;
      font-size: 1.1em;
      font-weight: bold;
      border-radius: 8px;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-999okwin__faq-question:hover {
      background-color: #c93a18;
    }

    .page-999okwin__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-999okwin__white);
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-999okwin__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-999okwin__faq-item.active .page-999okwin__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    .page-999okwin__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      background-color: var(--page-999okwin__white);
      color: var(--page-999okwin__text-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-999okwin__faq-item.active .page-999okwin__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-999okwin__faq-answer p {
      margin-bottom: 10px;
      font-size: 0.95em;
    }

    /* Call to Action Section */
    .page-999okwin__cta-section {
      text-align: center;
      padding: 50px 20px;
      background-color: var(--page-999okwin__primary-color);
      color: var(--page-999okwin__white);
      border-radius: 8px;
    }

    .page-999okwin__cta-title {
      font-size: 2.2em;
      margin-bottom: 20px;
      color: var(--page-999okwin__white);
    }

    .page-999okwin__cta-description {
      font-size: 1.1em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-999okwin__container {
        padding: 15px;
      }

      .page-999okwin__section {
        padding: 30px 15px;
      }

      .page-999okwin__hero-section {
        padding-top: 10px; /* Mobile padding for fixed header */
      }

      .page-999okwin__hero-title {
        font-size: 2em;
      }

      .page-999okwin__hero-description {
        font-size: 1em;
      }

      .page-999okwin__heading {
        font-size: 1.8em;
      }

      .page-999okwin__subheading {
        font-size: 1.4em;
      }

      .page-999okwin__game-categories,
      .page-999okwin__promo-grid,
      .page-999okwin__steps-grid {
        grid-template-columns: 1fr;
      }

      .page-999okwin__game-card-image-wrapper,
      .page-999okwin__game-card-image,
      .page-999okwin__promo-image-wrapper,
      .page-999okwin__promo-image {
        height: 180px !important;
        min-height: 180px !important;
      }

      .page-999okwin__game-card-title,
      .page-999okwin__promo-title {
        font-size: 1.3em;
      }

      .page-999okwin__floating-button {
        width: calc(100% - 40px);
        left: 20px;
        transform: translateX(0);
        bottom: 15px;
        font-size: 1em;
      }

      .page-999okwin__floating-button:hover {
        transform: scale(1.02);
      }

      @keyframes page-999okwin__bounce {
        0%, 20%, 50%, 80%, 100% {
          transform: translateY(0);
        }
        40% {
          transform: translateY(-10px);
        }
        60% {
          transform: translateY(-5px);
        }
      }

      .page-999okwin__cta-title {
        font-size: 1.8em;
      }

      .page-999okwin__faq-question {
        padding: 12px 15px;
        font-size: 1em;
      }

      .page-999okwin__faq-question h3 {
        font-size: 1em;
      }

      .page-999okwin__faq-answer {
        padding: 15px 15px !important;
      }
    }

    /* Image responsive optimization for all images */
    .page-999okwin img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    .page-999okwin__image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    @media (max-width: 768px) {
      .page-999okwin img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-999okwin__image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }