/* Tổng thể */
    .page-13win-app {
      font-family: 'Arial', sans-serif;
      color: #f0f0f0;
      background-color: #1a1a1a;
      line-height: 1.6;
      padding-top: 10px; /* Decorative padding, assuming body has header offset */
    }

    .page-13win-app__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-13win-app__section {
      padding: 60px 0;
      text-align: center;
    }

    .page-13win-app__section:nth-of-type(even) {
      background-color: #222222;
    }

    .page-13win-app__heading {
      font-size: 2.8em;
      color: #e44d26; /* Accent color */
      margin-bottom: 20px;
      text-transform: uppercase;
    }

    .page-13win-app__subheading {
      font-size: 1.8em;
      color: #f0f0f0;
      margin-bottom: 30px;
    }

    .page-13win-app__text {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: #cccccc;
    }

    /* Hero Section */
    .page-13win-app__hero-section {
      position: relative;
      background-size: cover;
      background-position: center;
      min-height: 500px;
      display: flex;
      align-items: center;
      justify-content: center;
      padding: 10px 0; /* Adjusted for header offset */
    }

    .page-13win-app__hero-overlay {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      background: rgba(0, 0, 0, 0.7);
      z-index: 1;
    }

    .page-13win-app__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
    }

    .page-13win-app__hero-content {
      position: relative;
      z-index: 2;
      max-width: 900px;
      text-align: center;
      padding: 20px;
    }

    .page-13win-app__hero-title {
      font-size: 3.5em;
      color: #e44d26;
      margin-bottom: 20px;
      line-height: 1.2;
    }

    .page-13win-app__hero-description {
      font-size: 1.3em;
      color: #f0f0f0;
      margin-bottom: 40px;
    }

    /* Floating Buttons */
    .page-13win-app__floating-buttons {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
      gap: 15px;
      z-index: 1000;
      width: 90%;
      max-width: 350px;
      justify-content: center;
    }

    .page-13win-app__button {
      background-color: #e44d26;
      color: #ffffff;
      padding: 15px 30px;
      border: none;
      border-radius: 8px;
      font-size: 1.2em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none; /* Ensure no underline for button-like elements */
      display: inline-block; /* For padding to work correctly */
      box-sizing: border-box;
      flex: 1;
      text-align: center;
    }

    .page-13win-app__button:hover {
      background-color: #ff6f40;
      transform: translateY(-2px);
    }

    .page-13win-app__button--secondary {
      background-color: #333333;
      color: #e44d26;
      border: 2px solid #e44d26;
    }

    .page-13win-app__button--secondary:hover {
      background-color: #444444;
      color: #ff6f40;
      border-color: #ff6f40;
    }

    /* Product Grid */
    .page-13win-app__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-13win-app__product-item {
      background-color: #2a2a2a;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      box-sizing: border-box; /* Crucial for responsive lists */
      width: 100%; /* For mobile list item responsiveness */
    }

    .page-13win-app__product-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

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

    .page-13win-app__product-image {
      width: 100%;
      height: 100%;
      object-fit: cover;
      display: block;
      max-width: 100%; /* Responsive image */
    }

    .page-13win-app__product-content {
      padding: 20px;
    }

    .page-13win-app__product-title {
      font-size: 1.5em;
      color: #e44d26;
      margin-bottom: 10px;
    }

    .page-13win-app__product-description {
      font-size: 0.95em;
      color: #cccccc;
      margin-bottom: 15px;
    }

    /* Providers/Payments Grid */
    .page-13win-app__info-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 20px;
      margin-top: 40px;
    }

    .page-13win-app__info-item {
      background-color: #2a2a2a;
      border-radius: 8px;
      padding: 20px;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      text-align: center;
      box-sizing: border-box; /* Crucial for responsive lists */
      width: 100%; /* For mobile list item responsiveness */
    }

    .page-13win-app__info-title {
      font-size: 1.2em;
      color: #f0f0f0;
      margin-bottom: 10px;
    }

    .page-13win-app__info-logo {
      max-width: 120px;
      height: auto;
      margin: 0 auto;
      display: block;
      max-height: 80px; /* Limit height for uniformity */
    }

    /* FAQ Section */
    .page-13win-app__faq-list {
      margin-top: 40px;
      text-align: left;
    }

    .page-13win-app__faq-item {
      background-color: #2a2a2a;
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      box-sizing: border-box; /* Crucial for responsive lists */
      width: 100%; /* For mobile list item responsiveness */
    }

    .page-13win-app__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #333333;
      color: #e44d26;
      font-size: 1.2em;
      font-weight: bold;
      user-select: none;
      transition: background-color 0.3s ease;
    }

    .page-13win-app__faq-question:hover {
      background-color: #444444;
    }

    .page-13win-app__faq-question h3 {
      margin: 0;
      flex-grow: 1;
      pointer-events: none; /* Prevents text selection from blocking click */
      color: #e44d26;
    }

    .page-13win-app__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Prevents toggle icon from blocking click */
      color: #f0f0f0;
    }

    .page-13win-app__faq-item.active .page-13win-app__faq-toggle {
      transform: rotate(45deg); /* Change + to X or similar */
    }

    .page-13win-app__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px; /* Initial padding */
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #cccccc;
      font-size: 1em;
    }

    .page-13win-app__faq-item.active .page-13win-app__faq-answer {
      max-height: 2000px !important; /* Sufficiently large to contain content */
      padding: 20px 25px !important; /* Final padding when open */
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-13win-app__container {
        padding: 15px;
      }

      .page-13win-app__heading {
        font-size: 2em;
      }

      .page-13win-app__subheading {
        font-size: 1.4em;
      }

      .page-13win-app__hero-title {
        font-size: 2.5em;
      }

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

      .page-13win-app__floating-buttons {
        flex-direction: column;
        bottom: 15px;
        gap: 10px;
        max-width: 95%;
      }

      .page-13win-app__button {
        padding: 12px 20px;
        font-size: 1em;
      }

      .page-13win-app__product-grid,
      .page-13win-app__info-grid {
        grid-template-columns: 1fr;
      }

      .page-13win-app__product-item,
      .page-13win-app__info-item,
      .page-13win-app__faq-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
      }
      
      .page-13win-app__product-item {
        margin-bottom: 20px; /* Add some space between items */
      }

      .page-13win-app__product-image-wrapper {
        height: 180px;
      }

      .page-13win-app__product-title {
        font-size: 1.3em;
      }

      .page-13win-app__faq-question {
        padding: 15px 20px;
        font-size: 1.1em;
      }

      .page-13win-app__faq-answer {
        padding: 0 20px;
        word-wrap: break-word !important; /* Ensure text wraps */
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }

      .page-13win-app__faq-item.active .page-13win-app__faq-answer {
        padding: 15px 20px !important;
      }

      /* Image responsiveness for all images */
      .page-13win-app img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }

      .page-13win-app__product-image-wrapper,
      .page-13win-app__info-logo-wrapper { /* Assuming there might be a wrapper */
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
    }