:root {
      --page-98win58-primary-color: #e44d26; /* Cam đỏ */
      --page-98win58-secondary-color: #f7931e; /* Cam sáng */
      --page-98win58-accent-color: #4CAF50; /* Xanh lá */
      --page-98win58-text-color: #333;
      --page-98win58-light-bg: #f9f9f9;
      --page-98win58-dark-bg: #2c3e50; /* Xám đậm */
      --page-98win58-white: #ffffff;
      --page-98win58-border-color: #ddd;
    }

    .page-98win58 {
      font-family: 'Helvetica Neue', Helvetica, Arial, sans-serif;
      line-height: 1.6;
      color: var(--page-98win58-text-color);
      background-color: var(--page-98win58-light-bg);
      padding: 0;
      margin: 0;
      box-sizing: border-box;
    }

    .page-98win58 * {
      box-sizing: border-box;
    }

    .page-98win58__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
    }

    .page-98win58__section {
      padding: 40px 20px;
      margin-bottom: 20px;
      background-color: var(--page-98win58-white);
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
    }

    .page-98win58__section--dark {
      background-color: var(--page-98win58-dark-bg);
      color: var(--page-98win58-white);
      text-align: center;
    }

    .page-98win58__section-title {
      font-size: 2.5em;
      color: var(--page-98win58-primary-color);
      text-align: center;
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-98win58__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-98win58-secondary-color);
      border-radius: 2px;
    }

    .page-98win58__section--dark .page-98win58__section-title {
      color: var(--page-98win58-secondary-color);
    }

    .page-98win58__text-center {
      text-align: center;
    }

    .page-98win58__hero-section {
      position: relative;
      background-color: var(--page-98win58-dark-bg);
      color: var(--page-98win58-white);
      padding-top: 70px; /* For fixed header on mobile */
      padding-bottom: 80px;
      text-align: center;
      overflow: hidden; /* Ensure image doesn't overflow */
    }

    .page-98win58__hero-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      display: flex;
      justify-content: center;
      align-items: center;
      margin-bottom: 20px;
    }

    .page-98win58__hero-image {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 8px;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
    }

    .page-98win58__hero-title {
      font-size: 3em;
      margin-bottom: 15px;
      color: var(--page-98win58-secondary-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
    }

    .page-98win58__hero-subtitle {
      font-size: 1.5em;
      margin-bottom: 30px;
      color: var(--page-98win58-white);
    }

    .page-98win58__cta-button {
      display: inline-block;
      background-color: var(--page-98win58-accent-color);
      color: var(--page-98win58-white);
      padding: 15px 30px;
      border-radius: 30px;
      text-decoration: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-98win58__cta-button:hover {
      background-color: #45a049;
      transform: translateY(-3px);
    }

    .page-98win58__promo-float-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      z-index: 1000;
      background-color: var(--page-98win58-primary-color);
      color: var(--page-98win58-white);
      padding: 12px 25px;
      border-radius: 30px;
      text-decoration: none;
      font-size: 1.1em;
      font-weight: bold;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: background-color 0.3s ease, transform 0.3s ease;
      animation: page-98win58-pulse 1.5s infinite;
    }

    .page-98win58__promo-float-button:hover {
      background-color: #c7401c;
      transform: translateX(-50%) translateY(-3px);
    }

    @keyframes page-98win58-pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.05); }
      100% { transform: translateX(-50%) scale(1); }
    }

    .page-98win58__about-content {
      display: flex;
      flex-direction: column;
      gap: 20px;
      align-items: center;
    }

    .page-98win58__about-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      border-radius: 8px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
    }

    .page-98win58__about-image {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 8px;
    }

    .page-98win58__about-text {
      font-size: 1.1em;
      text-align: justify;
      color: var(--page-98win58-text-color);
    }

    .page-98win58__game-categories {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
    }

    .page-98win58__game-card {
      background-color: var(--page-98win58-light-bg);
      border-radius: 8px;
      padding: 15px;
      text-align: center;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-decoration: none;
      color: inherit;
    }

    .page-98win58__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
    }

    .page-98win58__game-card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 10px;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100px; /* Fixed height for consistency */
    }

    .page-98win58__game-card-image {
      max-width: 100%;
      max-height: 100%; /* Ensure image fits within wrapper */
      height: auto;
      display: block;
      object-fit: contain; /* Maintain aspect ratio */
      border-radius: 4px;
    }

    .page-98win58__game-card-title {
      font-size: 1.2em;
      font-weight: bold;
      color: var(--page-98win58-primary-color);
      margin-top: 10px;
    }

    .page-98win58__promo-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
    }

    .page-98win58__promo-item {
      background-color: var(--page-98win58-white);
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      padding: 20px;
    }

    .page-98win58__promo-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
      border-radius: 8px;
    }

    .page-98win58__promo-image {
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 8px;
    }

    .page-98win58__promo-title {
      font-size: 1.5em;
      color: var(--page-98win58-primary-color);
      margin-bottom: 10px;
    }

    .page-98win58__promo-description {
      font-size: 1em;
      color: var(--page-98win58-text-color);
      margin-bottom: 15px;
    }

    .page-98win58__guide-list {
      list-style: none;
      padding: 0;
      margin-top: 20px;
    }

    .page-98win58__guide-item {
      background-color: var(--page-98win58-light-bg);
      margin-bottom: 10px;
      padding: 15px;
      border-left: 5px solid var(--page-98win58-secondary-color);
      border-radius: 4px;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08);
    }

    .page-98win58__guide-item a {
      color: var(--page-98win58-primary-color);
      text-decoration: none;
      font-weight: bold;
      display: block;
    }

    .page-98win58__guide-item a:hover {
      text-decoration: underline;
    }

    .page-98win58__why-choose-grid {
      display: grid;
      grid-template-columns: 1fr;
      gap: 20px;
    }

    .page-98win58__why-choose-card {
      background-color: var(--page-98win58-light-bg);
      padding: 20px;
      border-radius: 8px;
      box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
      text-align: center;
    }

    .page-98win58__why-choose-icon-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 15px;
      display: flex;
      justify-content: center;
      align-items: center;
      height: 100px;
    }

    .page-98win58__why-choose-icon {
      max-width: 100%;
      max-height: 100%;
      height: auto;
      display: block;
      object-fit: contain;
    }

    .page-98win58__why-choose-title {
      font-size: 1.3em;
      color: var(--page-98win58-primary-color);
      margin-bottom: 10px;
    }

    .page-98win58__why-choose-description {
      font-size: 0.95em;
      color: var(--page-98win58-text-color);
    }

    .page-98win58__faq-list {
      margin-top: 30px;
    }

    .page-98win58__faq-item {
      background-color: var(--page-98win58-white);
      border: 1px solid var(--page-98win58-border-color);
      border-radius: 8px;
      margin-bottom: 10px;
      overflow: hidden;
      box-shadow: 0 1px 3px rgba(0, 0, 0, 0.05);
    }

    .page-98win58__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px;
      background-color: var(--page-98win58-primary-color);
      color: var(--page-98win58-white);
      cursor: pointer;
      font-weight: bold;
      font-size: 1.1em;
      border-radius: 8px 8px 0 0;
      transition: background-color 0.3s ease;
    }

    .page-98win58__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-98win58__faq-question:hover {
      background-color: #c7401c;
    }

    .page-98win58__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 10px;
      pointer-events: none; /* Prevent toggle icon from blocking click event */
    }

    .page-98win58__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      background-color: var(--page-98win58-light-bg);
      color: var(--page-98win58-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-98win58__faq-item.active .page-98win58__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-98win58__faq-item.active .page-98win58__faq-question {
      border-radius: 8px 8px 0 0;
    }

    @media (min-width: 768px) {
      .page-98win58__hero-section {
        padding-top: 80px; /* For fixed header on desktop */
      }

      .page-98win58__hero-title {
        font-size: 4em;
      }

      .page-98win58__hero-subtitle {
        font-size: 1.8em;
      }

      .page-98win58__about-content {
        flex-direction: row;
        gap: 40px;
        text-align: left;
      }

      .page-98win58__about-image-wrapper {
        flex: 1;
        max-width: 50%;
      }

      .page-98win58__about-text {
        flex: 1;
      }

      .page-98win58__game-categories {
        grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      }

      .page-98win58__promo-grid {
        grid-template-columns: repeat(2, 1fr);
      }

      .page-98win58__why-choose-grid {
        grid-template-columns: repeat(3, 1fr);
      }

      .page-98win58__promo-float-button {
        padding: 15px 35px;
        font-size: 1.2em;
      }
    }

    /* Responsive image adjustments */
    @media (max-width: 768px) {
      .page-98win58__hero-image,
      .page-98win58__about-image,
      .page-98win58__game-card-image,
      .page-98win58__promo-image,
      .page-98win58__why-choose-icon {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-98win58__hero-image-wrapper,
      .page-98win58__about-image-wrapper,
      .page-98win58__game-card-image-wrapper,
      .page-98win58__promo-image-wrapper,
      .page-98win58__why-choose-icon-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-98win58__section-title {
        font-size: 2em;
      }
      .page-98win58__hero-title {
        font-size: 2.5em;
      }
      .page-98win58__hero-subtitle {
        font-size: 1.2em;
      }
      .page-98win58__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }
      .page-98win58__promo-float-button {
        width: calc(100% - 40px);
        left: 20px;
        transform: none;
        bottom: 10px;
      }
      @keyframes page-98win58-pulse {
        0% { transform: scale(1); }
        50% { transform: scale(1.03); }
        100% { transform: scale(1); }
      }
    }