/* Tổng quan */
    .page-trangchu88 {
      font-family: 'Arial', sans-serif;
      background-color: #000000; /* Nền đen */
      color: #ffffff; /* Chữ trắng */
      line-height: 1.6;
      padding-bottom: 80px; /* Đảm bảo có khoảng trống cho footer */
    }

    /* Đảm bảo nội dung không bị che bởi header cố định */
    .page-trangchu88__hero-section {
      padding-top: 140px; /* An toàn cho header cố định */
      position: relative;
      text-align: center;
      overflow: hidden;
    }

    /* Tiêu đề chính */
    .page-trangchu88__main-heading {
      color: #FFD700; /* Chữ vàng */
      font-size: 2.8em;
      margin-bottom: 20px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
    }

    /* Các tiêu đề phụ */
    .page-trangchu88__section-heading {
      color: #FFD700; /* Chữ vàng */
      font-size: 2em;
      text-align: center;
      margin: 60px 0 30px;
      position: relative;
      padding-bottom: 15px;
    }

    .page-trangchu88__section-heading::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 3px;
      background-color: #FFD700;
    }

    /* Container chung */
    .page-trangchu88__container {
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 15px;
    }

    /* Hero Section */
    .page-trangchu88__hero-image-wrapper {
        text-align: center;
        margin-bottom: 30px;
        position: relative;
        z-index: 1; /* Đảm bảo hình ảnh không bị đè bởi các phần tử khác nếu có */
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-trangchu88__hero-image {
        max-width: 100%;
        height: auto;
        display: block; /* Loại bỏ khoảng trắng dưới ảnh */
        margin: 0 auto; /* Căn giữa ảnh */
        border-radius: 10px;
        box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
    }

    .page-trangchu88__hero-content {
      padding: 20px 0 40px;
      text-align: center;
      background: linear-gradient(to top, rgba(0,0,0,0.8), rgba(0,0,0,0.5) 50%, transparent);
      margin-top: -80px; /* Kéo nội dung lên một chút để chồng lên banner */
      position: relative;
      z-index: 2;
    }

    .page-trangchu88__hero-description {
      font-size: 1.1em;
      margin-bottom: 30px;
      color: #e0e0e0;
    }

    .page-trangchu88__cta-button {
      display: inline-block;
      background-color: #FFD700; /* Nút vàng */
      color: #000000;
      padding: 15px 30px;
      border-radius: 30px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.2em;
      transition: background-color 0.3s ease, transform 0.3s ease;
      box-shadow: 0 4px 15px rgba(255, 215, 0, 0.4);
    }

    .page-trangchu88__cta-button:hover {
      background-color: #FFC107;
      transform: translateY(-3px);
    }

    /* Giới thiệu */
    .page-trangchu88__about-section {
      padding: 60px 0;
      background-color: #1a1a1a;
      text-align: center;
    }

    .page-trangchu88__about-text {
      font-size: 1.1em;
      max-width: 800px;
      margin: 0 auto 30px;
      color: #cccccc;
    }

    .page-trangchu88__feature-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 40px;
    }

    .page-trangchu88__feature-item {
      background-color: #000000;
      padding: 30px;
      border-radius: 10px;
      box-shadow: 0 5px 20px rgba(255, 215, 0, 0.1);
      text-align: center;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid #333;
    }

    .page-trangchu88__feature-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 25px rgba(255, 215, 0, 0.2);
    }

    .page-trangchu88__feature-icon {
      margin-bottom: 20px;
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
    }

    .page-trangchu88__feature-icon img {
        max-width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
        border-radius: 8px;
        min-width: 200px; /* Đảm bảo kích thước tối thiểu */
        min-height: 200px; /* Đảm bảo kích thước tối thiểu */
    }

    .page-trangchu88__feature-title {
      color: #FFD700;
      font-size: 1.4em;
      margin-bottom: 10px;
    }

    .page-trangchu88__feature-description {
      color: #cccccc;
      font-size: 0.95em;
    }

    /* Game Categories */
    .page-trangchu88__game-categories {
      padding: 60px 0;
      background-color: #000000;
    }

    .page-trangchu88__game-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
    }

    .page-trangchu88__game-card {
      background-color: #1a1a1a;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
      border: 1px solid #333;
    }

    .page-trangchu88__game-card:hover {
      transform: translateY(-7px);
      box-shadow: 0 10px 30px rgba(255, 215, 0, 0.2);
    }

    .page-trangchu88__game-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-trangchu88__game-image {
        max-width: 100%;
        height: auto;
        display: block;
        border-bottom: 3px solid #FFD700;
        min-width: 200px;
        min-height: 200px;
    }

    .page-trangchu88__game-content {
      padding: 20px;
    }

    .page-trangchu88__game-title {
      color: #FFD700;
      font-size: 1.5em;
      margin-bottom: 15px;
    }

    .page-trangchu88__game-link {
      display: inline-block;
      background-color: #FFD700;
      color: #000000;
      padding: 10px 20px;
      border-radius: 20px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1em;
      transition: background-color 0.3s ease;
    }

    .page-trangchu88__game-link:hover {
      background-color: #FFC107;
    }

    /* Promotions */
    .page-trangchu88__promotions-section {
      padding: 60px 0;
      background-color: #1a1a1a;
    }

    .page-trangchu88__promo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
      gap: 30px;
    }

    .page-trangchu88__promo-card {
      background-color: #000000;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 5px 20px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid #333;
    }

    .page-trangchu88__promo-card:hover {
      transform: translateY(-7px);
      box-shadow: 0 10px 30px rgba(255, 215, 0, 0.2);
    }

    .page-trangchu88__promo-image-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-trangchu88__promo-image {
        max-width: 100%;
        height: auto;
        display: block;
        min-width: 200px;
        min-height: 200px;
    }

    .page-trangchu88__promo-content {
      padding: 20px;
      text-align: center;
    }

    .page-trangchu88__promo-title {
      color: #FFD700;
      font-size: 1.4em;
      margin-bottom: 10px;
    }

    .page-trangchu88__promo-description {
      color: #cccccc;
      font-size: 0.95em;
      margin-bottom: 20px;
    }

    .page-trangchu88__promo-link {
      display: inline-block;
      background-color: #FFD700;
      color: #000000;
      padding: 10px 20px;
      border-radius: 20px;
      text-decoration: none;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-trangchu88__promo-link:hover {
      background-color: #FFC107;
    }

    /* Game Providers */
    .page-trangchu88__providers-section {
      padding: 60px 0;
      background-color: #000000;
      text-align: center;
    }

    .page-trangchu88__provider-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
      gap: 20px;
      margin-top: 40px;
    }

    .page-trangchu88__provider-item {
      background-color: #1a1a1a;
      padding: 15px;
      border-radius: 8px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 80px;
      border: 1px solid #333;
    }

    .page-trangchu88__provider-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 5px 15px rgba(255, 215, 0, 0.2);
    }

    .page-trangchu88__provider-logo-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-trangchu88__provider-logo {
        max-width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
        filter: grayscale(100%) brightness(180%); /* Làm sáng và chuyển xám logo */
        transition: filter 0.3s ease;
        min-width: 100px;
        min-height: 50px;
    }

    .page-trangchu88__provider-item:hover .page-trangchu88__provider-logo {
        filter: grayscale(0%) brightness(100%); /* Trở lại màu gốc khi hover */
    }

    /* Thanh toán */
    .page-trangchu88__payment-section {
      padding: 60px 0;
      background-color: #1a1a1a;
      text-align: center;
    }

    .page-trangchu88__payment-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
      gap: 20px;
      margin-top: 40px;
    }

    .page-trangchu88__payment-item {
      background-color: #000000;
      padding: 15px;
      border-radius: 8px;
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 80px;
      border: 1px solid #333;
    }

    .page-trangchu88__payment-item:hover {
      transform: translateY(-3px);
      box-shadow: 0 5px 15px rgba(255, 215, 0, 0.2);
    }

    .page-trangchu88__payment-logo-wrapper {
        width: 100%;
        max-width: 100%;
        overflow: hidden;
        box-sizing: border-box;
    }

    .page-trangchu88__payment-logo {
        max-width: 100%;
        height: auto;
        display: block;
        margin: 0 auto;
        min-width: 80px;
        min-height: 40px;
    }

    /* FAQ Section */
    .page-trangchu88__faq-section {
      padding: 60px 0;
      background-color: #000000;
    }

    .page-trangchu88__faq-list {
      max-width: 800px;
      margin: 0 auto;
    }

    .page-trangchu88__faq-item {
      background-color: #1a1a1a;
      margin-bottom: 15px;
      border-radius: 8px;
      overflow: hidden;
      box-shadow: 0 2px 10px rgba(0, 0, 0, 0.2);
      border: 1px solid #333;
    }

    .page-trangchu88__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 20px;
      cursor: pointer;
      user-select: none;
      background-color: #2a2a2a;
      color: #FFD700;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease;
    }

    .page-trangchu88__faq-question:hover {
      background-color: #3a3a3a;
    }

    .page-trangchu88__faq-question h3 {
      margin: 0;
      color: inherit;
      pointer-events: none; /* Ngăn chặn h3 chặn sự kiện click */
      flex-grow: 1;
      text-align: left;
    }

    .page-trangchu88__faq-toggle {
      font-size: 1.5em;
      margin-left: 15px;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn chặn toggle chặn sự kiện click */
      color: #ffffff;
    }

    .page-trangchu88__faq-item.active .page-trangchu88__faq-toggle {
      transform: rotate(45deg); /* Biến dấu '+' thành 'x' hoặc '-' */
    }

    .page-trangchu88__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 20px;
      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;
      text-align: left;
    }

    .page-trangchu88__faq-item.active .page-trangchu88__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px !important;
      opacity: 1;
    }

    /* Responsive */
    @media (max-width: 768px) {
      .page-trangchu88__hero-section {
        padding-top: 100px; /* Điều chỉnh cho mobile header */
      }

      .page-trangchu88__main-heading {
        font-size: 2em;
      }

      .page-trangchu88__section-heading {
        font-size: 1.6em;
        margin: 40px 0 20px;
      }

      .page-trangchu88__hero-description,
      .page-trangchu88__about-text,
      .page-trangchu88__feature-description,
      .page-trangchu88__promo-description {
        font-size: 1em;
      }

      .page-trangchu88__cta-button {
        padding: 12px 25px;
        font-size: 1.1em;
      }

      .page-trangchu88__feature-grid,
      .page-trangchu88__game-grid,
      .page-trangchu88__promo-grid {
        grid-template-columns: 1fr;
      }

      .page-trangchu88__provider-grid,
      .page-trangchu88__payment-grid {
        grid-template-columns: repeat(auto-fit, minmax(80px, 1fr));
      }

      .page-trangchu88__hero-image-wrapper img,
      .page-trangchu88__feature-icon img,
      .page-trangchu88__game-image,
      .page-trangchu88__promo-image,
      .page-trangchu88__provider-logo,
      .page-trangchu88__payment-logo {
          max-width: 100% !important;
          height: auto !important;
      }

      .page-trangchu88__faq-question {
          padding: 15px;
          font-size: 1em;
      }
      .page-trangchu88__faq-answer {
          padding: 0 15px;
      }
      .page-trangchu88__faq-item.active .page-trangchu88__faq-answer {
          padding: 15px !important;
      }
    }