:root {
      --page-18-win-primary-color: #e44d26; /* Một màu cam đỏ nổi bật */
      --page-18-win-secondary-color: #333;
      --page-18-win-background-light: #f5f5f5;
      --page-18-win-background-dark: #222;
      --page-18-win-text-light: #fff;
      --page-18-win-text-dark: #333;
      --page-18-win-accent-color: #ffb300; /* Màu vàng cam cho điểm nhấn */
      --page-18-win-border-radius: 8px;
      --page-18-win-spacing-sm: 10px;
      --page-18-win-spacing-md: 20px;
      --page-18-win-spacing-lg: 40px;
      --page-18-win-gradient-start: #f7971e;
      --page-18-win-gradient-end: #ffb300;
    }

    .page-18-win {
      font-family: 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      line-height: 1.6;
      color: var(--page-18-win-text-dark);
      background-color: var(--page-18-win-background-light);
      padding-top: 10px; /* Nhỏ để tránh đè lên body padding */
    }

    .page-18-win__section {
      padding: var(--page-18-win-spacing-lg) var(--page-18-win-spacing-md);
      margin-bottom: var(--page-18-win-spacing-md);
      background-color: #fff;
      border-radius: var(--page-18-win-border-radius);
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
    }

    .page-18-win__section--dark {
      background-color: var(--page-18-win-background-dark);
      color: var(--page-18-win-text-light);
    }

    .page-18-win__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 var(--page-18-win-spacing-md);
    }

    .page-18-win__header-title {
      text-align: center;
      color: var(--page-18-win-primary-color);
      margin-bottom: var(--page-18-win-spacing-lg);
      font-size: 2.5em;
      font-weight: 700;
      line-height: 1.2;
    }

    .page-18-win__header-title span {
      display: block;
      font-size: 0.6em;
      color: var(--page-18-win-secondary-color);
      margin-top: 10px;
    }

    .page-18-win__sub-heading {
      text-align: center;
      color: var(--page-18-win-secondary-color);
      font-size: 1.8em;
      margin-bottom: var(--page-18-win-spacing-md);
    }

    .page-18-win__sub-heading--light {
      color: var(--page-18-win-text-light);
    }

    .page-18-win__text-content {
      font-size: 1.1em;
      color: var(--page-18-win-secondary-color);
      margin-bottom: var(--page-18-win-spacing-md);
      text-align: justify;
    }

    .page-18-win__text-content--light {
      color: var(--page-18-win-text-light);
    }

    .page-18-win__button-group {
      display: flex;
      justify-content: center;
      gap: var(--page-18-win-spacing-sm);
      margin-top: var(--page-18-win-spacing-md);
    }

    .page-18-win__button {
      background: linear-gradient(90deg, var(--page-18-win-gradient-start) 0%, var(--page-18-win-gradient-end) 100%);
      color: var(--page-18-win-text-light);
      padding: var(--page-18-win-spacing-sm) var(--page-18-win-spacing-md);
      border: none;
      border-radius: var(--page-18-win-border-radius);
      font-size: 1em;
      font-weight: 600;
      cursor: pointer;
      transition: all 0.3s ease;
      text-decoration: none;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      box-sizing: border-box;
      white-space: nowrap;
    }

    .page-18-win__button:hover {
      opacity: 0.9;
      transform: translateY(-2px);
      box-shadow: 0 6px 15px rgba(0, 0, 0, 0.2);
    }

    .page-18-win__floating-buttons {
      position: fixed;
      bottom: var(--page-18-win-spacing-md);
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: var(--page-18-win-spacing-sm);
      z-index: 1000;
      width: calc(100% - 2 * var(--page-18-win-spacing-md));
      max-width: 400px;
    }

    .page-18-win__floating-button {
      flex: 1;
      padding: var(--page-18-win-spacing-sm) 0;
      font-size: 1.1em;
      border-radius: var(--page-18-win-border-radius);
      text-align: center;
    }

    .page-18-win__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
      gap: var(--page-18-win-spacing-md);
      margin-top: var(--page-18-win-spacing-lg);
    }

    .page-18-win__game-card {
      background-color: #fefefe;
      border-radius: var(--page-18-win-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-18-win__game-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
    }

    .page-18-win__game-card-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
      background-color: #eee;
    }

    .page-18-win__game-card-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%; /* Ensure image scales down */
    }

    .page-18-win__game-card-title {
      font-size: 1.2em;
      color: var(--page-18-win-primary-color);
      margin: var(--page-18-win-spacing-sm) 0;
      padding: 0 var(--page-18-win-spacing-sm);
    }

    .page-18-win__game-card-description {
      font-size: 0.9em;
      color: var(--page-18-win-secondary-color);
      padding: 0 var(--page-18-win-spacing-sm) var(--page-18-win-spacing-md);
    }

    .page-18-win__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: var(--page-18-win-spacing-md);
      margin-top: var(--page-18-win-spacing-lg);
    }

    .page-18-win__promo-card {
      background-color: #fefefe;
      border-radius: var(--page-18-win-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box;
    }

    .page-18-win__promo-card:hover {
      transform: translateY(-5px);
      box-shadow: 0 6px 16px rgba(0, 0, 0, 0.15);
    }

    .page-18-win__promo-image-wrapper {
      width: 100%;
      height: 200px;
      overflow: hidden;
      background-color: #eee;
    }

    .page-18-win__promo-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%;
    }

    .page-18-win__promo-content {
      padding: var(--page-18-win-spacing-md);
    }

    .page-18-win__promo-title {
      font-size: 1.3em;
      color: var(--page-18-win-primary-color);
      margin-bottom: var(--page-18-win-spacing-sm);
    }

    .page-18-win__promo-description {
      font-size: 0.95em;
      color: var(--page-18-win-secondary-color);
      margin-bottom: var(--page-18-win-spacing-md);
    }

    .page-18-win__promo-button {
      background-color: var(--page-18-win-accent-color);
      color: var(--page-18-win-text-dark);
      padding: var(--page-18-win-spacing-sm) var(--page-18-win-spacing-md);
      border: none;
      border-radius: var(--page-18-win-border-radius);
      font-weight: 600;
      cursor: pointer;
      transition: background-color 0.3s ease;
      text-decoration: none;
      display: inline-block;
    }

    .page-18-win__promo-button:hover {
      background-color: darken(var(--page-18-win-accent-color), 10%);
    }

    .page-18-win__info-list {
      list-style: none;
      padding: 0;
      margin: 0;
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: var(--page-18-win-spacing-md);
      margin-top: var(--page-18-win-spacing-lg);
    }

    .page-18-win__info-item {
      background-color: #fefefe;
      padding: var(--page-18-win-spacing-md);
      border-radius: var(--page-18-win-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
      display: flex;
      align-items: flex-start;
      gap: var(--page-18-win-spacing-sm);
      box-sizing: border-box;
    }

    .page-18-win__info-item-icon {
      flex-shrink: 0;
      width: 40px;
      height: 40px;
      background-color: var(--page-18-win-primary-color);
      color: var(--page-18-win-text-light);
      border-radius: 50%;
      display: flex;
      justify-content: center;
      align-items: center;
      font-size: 1.2em;
      font-weight: bold;
    }

    .page-18-win__info-item-content {
      flex-grow: 1;
    }

    .page-18-win__info-item-title {
      font-size: 1.1em;
      color: var(--page-18-win-primary-color);
      margin-bottom: 5px;
    }

    .page-18-win__info-item-text {
      font-size: 0.95em;
      color: var(--page-18-win-secondary-color);
    }

    .page-18-win__faq-section {
      background-color: var(--page-18-win-background-light);
    }

    .page-18-win__faq-list {
      list-style: none;
      padding: 0;
      margin-top: var(--page-18-win-spacing-md);
    }

    .page-18-win__faq-item {
      background-color: #fff;
      margin-bottom: var(--page-18-win-spacing-sm);
      border-radius: var(--page-18-win-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-18-win__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: var(--page-18-win-spacing-md);
      cursor: pointer;
      background-color: #f8f8f8;
      border-bottom: 1px solid #eee;
      transition: background-color 0.3s ease;
      user-select: none;
    }

    .page-18-win__faq-question:hover {
      background-color: #f0f0f0;
    }

    .page-18-win__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: var(--page-18-win-secondary-color);
      flex-grow: 1;
      pointer-events: none; /* Prevent h3 from blocking click event */
    }

    .page-18-win__faq-toggle {
      font-size: 1.5em;
      font-weight: bold;
      color: var(--page-18-win-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevent toggle from blocking click event */
    }

    .page-18-win__faq-item.active .page-18-win__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' or similar effect */
      content: '−'; /* Visually change to minus sign */
    }

    .page-18-win__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 var(--page-18-win-spacing-md);
      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-18-win-secondary-color);
      font-size: 0.95em;
    }

    .page-18-win__faq-item.active .page-18-win__faq-answer {
      max-height: 2000px !important; /* Sufficiently large value */
      padding: var(--page-18-win-spacing-md) !important;
      opacity: 1;
    }

    /* Responsive adjustments */
    @media (max-width: 768px) {
      .page-18-win__header-title {
        font-size: 2em;
      }

      .page-18-win__sub-heading {
        font-size: 1.5em;
      }

      .page-18-win__section {
        padding: var(--page-18-win-spacing-md) var(--page-18-win-spacing-sm);
      }

      .page-18-win__container {
        padding: 0 var(--page-18-win-spacing-sm);
      }

      .page-18-win__button-group {
        flex-direction: column;
        gap: var(--page-18-win-spacing-sm);
      }

      .page-18-win__button {
        width: 100%;
      }

      .page-18-win__floating-buttons {
        bottom: var(--page-18-win-spacing-sm);
        width: calc(100% - 2 * var(--page-18-win-spacing-sm));
      }

      .page-18-win__game-grid,
      .page-18-win__promo-grid,
      .page-18-win__info-list {
        grid-template-columns: 1fr;
        gap: var(--page-18-win-spacing-sm);
      }

      /* List item mobile responsive */
      .page-18-win__info-list,
      .page-18-win__faq-list {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: 0 !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }

      .page-18-win__info-item,
      .page-18-win__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        padding: var(--page-18-win-spacing-sm) !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-18-win__faq-question {
        padding: var(--page-18-win-spacing-sm);
      }

      .page-18-win__faq-question h3 {
        font-size: 1em;
      }

      .page-18-win__faq-answer {
        padding: var(--page-18-win-spacing-sm) !important;
        font-size: 0.9em;
      }

      /* Image responsive */
      .page-18-win__game-card-image-wrapper,
      .page-18-win__promo-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-18-win__game-card-image,
      .page-18-win__promo-image {
        max-width: 100% !important;
        height: auto !important;
      }
    }