:root {
      --page-13-win-primary-color: #e44d26; /* Một màu cam đỏ năng động */
      --page-13-win-secondary-color: #333;
      --page-13-win-accent-color: #ffcc00; /* Màu vàng nổi bật */
      --page-13-win-background-light: #f5f5f5;
      --page-13-win-background-dark: #222;
      --page-13-win-text-light: #fff;
      --page-13-win-text-dark: #333;
      --page-13-win-border-radius: 8px;
      --page-13-win-padding-section: 40px 20px;
      --page-13-win-max-width: 1200px;
    }

    .page-13-win {
      font-family: 'Arial', sans-serif;
      line-height: 1.6;
      color: var(--page-13-win-text-dark);
      background-color: var(--page-13-win-background-light);
      overflow-x: hidden;
      padding-top: 10px; /* Small top padding for visual separation from header */
    }

    .page-13-win__hero-section {
      background: linear-gradient(135deg, #1a1a1a, #333);
      color: var(--page-13-win-text-light);
      text-align: center;
      padding: var(--page-13-win-padding-section);
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      min-height: 60vh;
      box-sizing: border-box;
    }

    .page-13-win__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      opacity: 0.3;
      z-index: 1;
    }

    .page-13-win__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      margin: 0 auto;
      display: flex;
      flex-direction: column;
      align-items: center;
    }

    .page-13-win__main-title {
      font-size: 3.2em;
      margin-bottom: 15px;
      color: var(--page-13-win-accent-color);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
      font-weight: bold;
    }

    .page-13-win__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 700px;
    }

    .page-13-win__cta-button {
      display: inline-block;
      background-color: var(--page-13-win-primary-color);
      color: var(--page-13-win-text-light);
      padding: 15px 30px;
      border-radius: var(--page-13-win-border-radius);
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-13-win__cta-button:hover {
      background-color: #c73d1f;
      transform: translateY(-2px);
    }

    .page-13-win__section {
      padding: var(--page-13-win-padding-section);
      max-width: var(--page-13-win-max-width);
      margin: 0 auto;
      text-align: center;
      box-sizing: border-box;
    }

    .page-13-win__section--dark {
      background-color: var(--page-13-win-background-dark);
      color: var(--page-13-win-text-light);
    }

    .page-13-win__section-title {
      font-size: 2.5em;
      margin-bottom: 20px;
      color: var(--page-13-win-primary-color);
      font-weight: bold;
    }

    .page-13-win__section--dark .page-13-win__section-title {
      color: var(--page-13-win-accent-color);
    }

    .page-13-win__text-content {
      font-size: 1.1em;
      margin-bottom: 30px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-13-win__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
      justify-items: center;
    }

    .page-13-win__card {
      background-color: #fff;
      border-radius: var(--page-13-win-border-radius);
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
      overflow: hidden;
      text-align: left;
      transition: transform 0.3s ease;
      display: flex;
      flex-direction: column;
      height: 100%;
      max-width: 350px;
      box-sizing: border-box;
    }

    .page-13-win__section--dark .page-13-win__card {
      background-color: #3a3a3a;
      color: var(--page-13-win-text-light);
    }

    .page-13-win__card:hover {
      transform: translateY(-5px);
    }

    .page-13-win__card-image-wrapper {
      width: 100%;
      height: 200px; /* Fixed height for consistency */
      overflow: hidden;
      display: flex;
      justify-content: center;
      align-items: center;
    }

    .page-13-win__card-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
    }

    .page-13-win__card-content {
      padding: 20px;
      flex-grow: 1;
      display: flex;
      flex-direction: column;
    }

    .page-13-win__card-title {
      font-size: 1.5em;
      margin-top: 0;
      margin-bottom: 10px;
      color: var(--page-13-win-primary-color);
      font-weight: bold;
    }

    .page-13-win__section--dark .page-13-win__card-title {
      color: var(--page-13-win-accent-color);
    }

    .page-13-win__card-description {
      font-size: 0.95em;
      color: var(--page-13-win-secondary-color);
      flex-grow: 1;
    }

    .page-13-win__section--dark .page-13-win__card-description {
      color: #ccc;
    }

    .page-13-win__list {
      list-style: none;
      padding: 0;
      margin: 30px auto;
      max-width: 800px;
      display: flex;
      flex-wrap: wrap;
      justify-content: center;
      gap: 15px;
    }

    .page-13-win__list-item {
      background-color: #fff;
      padding: 15px 20px;
      border-radius: var(--page-13-win-border-radius);
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
      font-size: 1.05em;
      color: var(--page-13-win-secondary-color);
      flex: 1 1 calc(33% - 30px); /* 3 items per row on desktop */
      min-width: 250px;
      text-align: center;
      box-sizing: border-box;
    }

    .page-13-win__section--dark .page-13-win__list-item {
      background-color: #3a3a3a;
      color: var(--page-13-win-text-light);
    }

    .page-13-win__faq-container {
      margin-top: 40px;
      text-align: left;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-13-win__faq-item {
      margin-bottom: 15px;
      border: 1px solid #ddd;
      border-radius: var(--page-13-win-border-radius);
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-13-win__section--dark .page-13-win__faq-item {
      border-color: #555;
    }

    .page-13-win__faq-question {
      background-color: #f9f9f9;
      padding: 15px 20px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-size: 1.1em;
      font-weight: bold;
      color: var(--page-13-win-primary-color);
      transition: background-color 0.3s ease;
      user-select: none;
      box-sizing: border-box;
    }

    .page-13-win__section--dark .page-13-win__faq-question {
      background-color: #444;
      color: var(--page-13-win-accent-color);
    }

    .page-13-win__faq-question:hover {
      background-color: #eee;
    }

    .page-13-win__section--dark .page-13-win__faq-question:hover {
      background-color: #555;
    }

    .page-13-win__faq-question h3 {
      margin: 0;
      font-size: 1.1em;
      color: inherit;
      pointer-events: none; /* Prevents text from blocking click event on parent */
    }

    .page-13-win__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevents icon from blocking click event on parent */
    }

    .page-13-win__faq-item.active .page-13-win__faq-toggle {
      transform: rotate(45deg); /* Change '+' to 'x' visually */
    }

    .page-13-win__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      background-color: #fff;
      color: var(--page-13-win-secondary-color);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
      box-sizing: border-box;
    }

    .page-13-win__section--dark .page-13-win__faq-answer {
      background-color: #333;
      color: #ccc;
    }

    .page-13-win__faq-item.active .page-13-win__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 20px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-13-win__main-title {
        font-size: 2.5em;
      }

      .page-13-win__hero-description {
        font-size: 1em;
      }

      .page-13-win__section-title {
        font-size: 2em;
      }

      .page-13-win__text-content {
        font-size: 1em;
      }

      .page-13-win__grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-13-win__card {
        max-width: 100%;
      }

      .page-13-win__list {
        flex-direction: column;
        gap: 10px;
        margin-left: 0;
        margin-right: 0;
        padding: 0 15px; /* Adjust padding for list container */
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
      }

      .page-13-win__list-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding: 12px 15px; /* Reduce padding for smaller screens */
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-13-win__card-image,
      .page-13-win__hero-image {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-13-win__card-image-wrapper {
        width: 100% !important;
        height: auto !important; /* Allow height to adjust */
        min-height: 200px; /* Ensure minimum height */
        box-sizing: border-box !important;
      }

      .page-13-win__faq-question,
      .page-13-win__faq-answer {
        padding-left: 15px;
        padding-right: 15px;
      }
    }

    @media (max-width: 480px) {
      .page-13-win__main-title {
        font-size: 2em;
      }

      .page-13-win__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-13-win__section-title {
        font-size: 1.8em;
      }

      .page-13-win__hero-section {
        min-height: 50vh;
      }
    }