/* Tổng quan */
    .page-kkwin {
      font-family: 'Arial', sans-serif;
      color: #333;
      line-height: 1.6;
      background-color: #f8f8f8;
      padding-bottom: 80px; /* Khoảng trống cho nút nổi */
    }

    .page-kkwin a {
      color: #007bff;
      text-decoration: none;
    }

    .page-kkwin a:hover {
      text-decoration: underline;
    }

    /* Các phần chung */
    .page-kkwin__section-title {
      font-size: 2.2em;
      color: #2c3e50;
      text-align: center;
      margin-bottom: 20px;
      padding-top: 20px;
      font-weight: bold;
    }

    .page-kkwin__section-subtitle {
      font-size: 1.1em;
      color: #555;
      text-align: center;
      margin-bottom: 40px;
      max-width: 800px;
      margin-left: auto;
      margin-right: auto;
    }

    /* Hero Section */
    .page-kkwin__hero-section {
      position: relative;
      width: 100%;
      min-height: 450px; /* Đảm bảo đủ không gian */
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      overflow: hidden;
      padding-top: 10px; /* Điều chỉnh cho header cố định */
      box-sizing: border-box;
    }

    .page-kkwin__hero-image {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      max-width: 100%; /* Đảm bảo responsive */
      height: auto; /* Đảm bảo responsive */
    }

    .page-kkwin__hero-content {
      position: relative;
      z-index: 1;
      padding: 20px;
      background-color: rgba(0, 0, 0, 0.6); /* Lớp phủ để chữ dễ đọc */
      border-radius: 10px;
      max-width: 90%;
      margin: 20px auto;
      color: #fff;
    }

    .page-kkwin__hero-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      font-weight: 900;
      line-height: 1.2;
      color: #ffcc00; /* Màu vàng nổi bật */
    }

    .page-kkwin__hero-description {
      font-size: 1.2em;
      margin-bottom: 25px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-kkwin__hero-button {
      display: inline-block;
      background-color: #e74c3c; /* Nút đỏ nổi bật */
      color: #fff;
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.3em;
      font-weight: bold;
      text-transform: uppercase;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
    }

    .page-kkwin__hero-button:hover {
      background-color: #c0392b;
      transform: translateY(-2px);
      text-decoration: none;
    }

    /* About Section */
    .page-kkwin__about-section {
      padding: 40px 20px;
      background-color: #fff;
      margin-top: 20px;
    }

    .page-kkwin__content-wrapper {
      max-width: 1000px;
      margin: 0 auto;
      text-align: justify;
    }

    .page-kkwin__content-wrapper p {
      margin-bottom: 20px;
      font-size: 1.1em;
      color: #444;
    }

    .page-kkwin__image-fullwidth {
      width: 100%;
      max-width: 100%;
      height: auto;
      border-radius: 8px;
      margin: 30px 0;
      box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
      object-fit: cover;
    }

    /* Game Categories Section */
    .page-kkwin__game-categories {
      padding: 40px 20px;
      background-color: #f1f1f1;
    }

    .page-kkwin__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      max-width: 1200px;
      margin: 0 auto 40px auto;
    }

    .page-kkwin__game-item {
      background-color: #fff;
      border-radius: 12px;
      box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
      text-align: center;
      padding: 20px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
    }

    .page-kkwin__game-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
    }

    .page-kkwin__game-item a {
      display: block;
      color: inherit;
      text-decoration: none;
    }

    .page-kkwin__game-icon {
      width: 100px;
      height: 100px;
      object-fit: contain;
      margin-bottom: 15px;
      max-width: 100%; /* Đảm bảo responsive */
      height: auto; /* Đảm bảo responsive */
    }

    .page-kkwin__game-title {
      font-size: 1.2em;
      font-weight: bold;
      color: #333;
    }

    .page-kkwin__promo-banner {
      max-width: 1200px;
      margin: 40px auto 0 auto;
      border-radius: 12px;
      overflow: hidden;
      box-shadow: 0 6px 18px rgba(0, 0, 0, 0.15);
    }

    .page-kkwin__promo-image {
      width: 100%;
      height: auto;
      display: block;
      object-fit: cover;
      max-width: 100%; /* Đảm bảo responsive */
    }

    /* Advantages Section */
    .page-kkwin__advantages-section {
      padding: 40px 20px;
      background-color: #fff;
    }

    .page-kkwin__advantage-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      max-width: 1200px;
      margin: 0 auto;
    }

    .page-kkwin__advantage-item {
      text-align: center;
      padding: 30px;
      background-color: #fdfdfd;
      border-radius: 12px;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
    }

    .page-kkwin__advantage-icon {
      width: 150px;
      height: 150px;
      object-fit: contain;
      margin-bottom: 20px;
      max-width: 100%; /* Đảm bảo responsive */
      height: auto; /* Đảm bảo responsive */
    }

    .page-kkwin__advantage-title {
      font-size: 1.5em;
      font-weight: bold;
      color: #333;
      margin-bottom: 15px;
    }

    .page-kkwin__advantage-item p {
      font-size: 1em;
      color: #555;
    }

    /* App Download Section */
    .page-kkwin__app-download {
      padding: 40px 20px;
      background-color: #eaf4ff; /* Nền xanh nhạt */
    }

    .page-kkwin__app-content {
      display: flex;
      flex-direction: column;
      align-items: center;
      max-width: 1000px;
      margin: 0 auto;
      gap: 30px;
    }

    .page-kkwin__app-image {
      width: 100%;
      max-width: 400px;
      height: auto;
      border-radius: 15px;
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.15);
      object-fit: contain;
      max-width: 100%; /* Đảm bảo responsive */
    }

    .page-kkwin__app-text {
      text-align: center;
    }

    .page-kkwin__app-text p {
      font-size: 1.1em;
      color: #444;
      margin-bottom: 25px;
    }

    .page-kkwin__download-button {
      display: inline-block;
      background-color: #28a745; /* Nút xanh lá nổi bật */
      color: #fff;
      padding: 15px 35px;
      border-radius: 50px;
      font-size: 1.4em;
      font-weight: bold;
      text-transform: uppercase;
      transition: background-color 0.3s ease, transform 0.2s ease;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.2);
    }

    .page-kkwin__download-button:hover {
      background-color: #218838;
      transform: translateY(-2px);
      text-decoration: none;
    }

    .page-kkwin__small-text {
      font-size: 0.9em;
      color: #777;
      margin-top: 15px;
    }

    /* FAQ Section */
    .page-kkwin__faq-section {
      padding: 40px 20px;
      background-color: #f8f8f8;
    }

    .page-kkwin__faq-container {
      max-width: 900px;
      margin: 0 auto;
    }

    .page-kkwin__faq-item {
      background-color: #fff;
      border-radius: 8px;
      margin-bottom: 15px;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.05);
      overflow: hidden;
    }

    .page-kkwin__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px 25px;
      cursor: pointer;
      background-color: #fefefe;
      border-bottom: 1px solid #eee;
      transition: background-color 0.3s ease;
      user-select: none;
    }

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

    .page-kkwin__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: #333;
      pointer-events: none; /* Ngăn chặn sự kiện click trên h3 */
    }

    .page-kkwin__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: #007bff;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn sự kiện click trên toggle */
    }

    .page-kkwin__faq-item.active .page-kkwin__faq-toggle {
      transform: rotate(45deg); /* Chuyển '+' thành 'x' hoặc '-' */
    }

    .page-kkwin__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.3s ease;
      opacity: 0;
      color: #555;
      font-size: 1em;
    }

    .page-kkwin__faq-item.active .page-kkwin__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Floating Button */
    .page-kkwin__floating-button {
      position: fixed;
      bottom: 20px;
      left: 50%;
      transform: translateX(-50%);
      background-color: #e74c3c; /* Màu đỏ nổi bật */
      color: #fff;
      padding: 15px 30px;
      border-radius: 50px;
      font-size: 1.2em;
      font-weight: bold;
      text-transform: uppercase;
      text-align: center;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      z-index: 1000;
      transition: background-color 0.3s ease, transform 0.2s ease;
      animation: page-kkwin__pulse 2s infinite;
      white-space: nowrap; /* Ngăn chặn xuống dòng */
    }

    .page-kkwin__floating-button:hover {
      background-color: #c0392b;
      transform: translateX(-50%) translateY(-3px);
      text-decoration: none;
    }

    @keyframes page-kkwin__pulse {
      0% { transform: translateX(-50%) scale(1); }
      50% { transform: translateX(-50%) scale(1.03); }
      100% { transform: translateX(-50%) scale(1); }
    }

    /* Responsive */
    @media (max-width: 768px) {
      .page-kkwin__hero-section {
        min-height: 350px;
        padding-top: 10px; /* Điều chỉnh cho header cố định trên di động */
      }

      .page-kkwin__hero-content {
        padding: 15px;
      }

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

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

      .page-kkwin__hero-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-kkwin__section-title {
        font-size: 1.8em;
        padding-top: 15px;
      }

      .page-kkwin__section-subtitle {
        font-size: 1em;
        margin-bottom: 30px;
      }

      .page-kkwin__content-wrapper p,
      .page-kkwin__advantage-item p,
      .page-kkwin__app-text p {
        font-size: 0.95em;
      }

      .page-kkwin__game-grid {
        grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
        gap: 15px;
      }

      .page-kkwin__game-icon {
        width: 80px;
        height: 80px;
        margin-bottom: 10px;
      }

      .page-kkwin__game-title {
        font-size: 1.1em;
      }

      .page-kkwin__advantage-grid {
        grid-template-columns: 1fr;
      }

      .page-kkwin__advantage-icon {
        width: 120px;
        height: 120px;
      }

      .page-kkwin__advantage-title {
        font-size: 1.3em;
      }

      .page-kkwin__app-content {
        flex-direction: column;
        gap: 20px;
      }

      .page-kkwin__app-image {
        max-width: 300px;
      }

      .page-kkwin__download-button {
        padding: 12px 25px;
        font-size: 1.2em;
      }

      .page-kkwin__small-text {
        font-size: 0.85em;
      }

      .page-kkwin__faq-question {
        padding: 15px 20px;
      }

      .page-kkwin__faq-question h3 {
        font-size: 1.1em;
      }

      .page-kkwin__faq-toggle {
        font-size: 1.5em;
      }

      .page-kkwin__faq-answer {
        padding: 15px 20px;
      }

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

      .page-kkwin__floating-button {
        padding: 12px 20px;
        font-size: 1em;
        width: auto;
        max-width: 90%;
        bottom: 15px;
      }
      .page-kkwin img {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-kkwin__image-fullwidth,
      .page-kkwin__promo-image,
      .page-kkwin__app-image,
      .page-kkwin__game-icon,
      .page-kkwin__advantage-icon {
        max-width: 100% !important;
        height: auto !important;
        width: auto !important; /* Reset width to allow max-width to take effect */
      }
    }