:root {
      --primary-color: #e44d26; /* Màu cam-đỏ rực rỡ cho thương hiệu */
      --secondary-color: #333; /* Màu xám đậm */
      --accent-color: #f7b20e; /* Màu vàng kim cho điểm nhấn */
      --background-dark: #1a1a1a; /* Nền tối */
      --background-light: #2c2c2c; /* Nền xám nhạt hơn */
      --text-color-light: #f0f0f0; /* Chữ sáng */
      --text-color-dark: #ccc; /* Chữ xám nhạt */
      --border-color: #444; /* Màu viền */
      --button-hover-bg: #c0392b; /* Màu nút khi hover */
    }

    /* Base styles for the page-68vi container */
    .page-68vi {
      font-family: 'Arial', sans-serif;
      color: var(--text-color-light);
      background-color: var(--background-dark);
      line-height: 1.6;
      overflow-x: hidden; /* Ngăn cuộn ngang */
    }

    .page-68vi__section {
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
      box-sizing: border-box;
    }

    .page-68vi__section--dark {
      background-color: var(--background-light);
    }

    .page-68vi__heading {
      color: var(--accent-color);
      font-size: 2.5em;
      margin-bottom: 20px;
      text-transform: uppercase;
      letter-spacing: 1px;
    }

    .page-68vi__subheading {
      color: var(--primary-color);
      font-size: 1.8em;
      margin-bottom: 15px;
    }

    .page-68vi__paragraph {
      font-size: 1.1em;
      margin-bottom: 20px;
      color: var(--text-color-dark);
    }

    /* Hero Section */
    .page-68vi__hero-section {
      background-color: var(--background-dark);
      padding: 10px 20px 60px; /* Padding-top 10px theo yêu cầu */
      position: relative;
      overflow: hidden;
      display: flex;
      flex-direction: column;
      justify-content: center;
      align-items: center;
      min-height: 60vh; /* Đảm bảo chiếm một phần lớn chiều cao khung nhìn */
      box-sizing: border-box;
    }

    .page-68vi__hero-background {
      position: absolute;
      top: 0;
      left: 0;
      width: 100%;
      height: 100%;
      object-fit: cover;
      z-index: 0;
      opacity: 0.3;
    }

    .page-68vi__hero-content {
      position: relative;
      z-index: 1;
      text-align: center;
      max-width: 900px;
      padding: 20px;
    }

    .page-68vi__hero-title {
      font-size: 3.5em;
      color: var(--accent-color);
      margin-bottom: 15px;
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      line-height: 1.2;
    }

    .page-68vi__hero-description {
      font-size: 1.3em;
      color: var(--text-color-light);
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
      text-shadow: 1px 1px 2px rgba(0, 0, 0, 0.5);
    }

    /* Floating Buttons */
    .page-68vi__floating-buttons {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .page-68vi__floating-button {
      background-color: var(--primary-color);
      color: var(--text-color-light);
      padding: 12px 25px;
      border: none;
      border-radius: 30px;
      font-size: 1.1em;
      font-weight: bold;
      cursor: pointer;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.4);
      transition: background-color 0.3s ease, transform 0.2s ease;
      text-decoration: none; /* Đảm bảo trông giống nút, không phải liên kết */
      display: flex;
      justify-content: center;
      align-items: center;
      white-space: nowrap;
    }

    .page-68vi__floating-button:hover {
      background-color: var(--button-hover-bg);
      transform: translateY(-2px);
    }

    /* Product Display */
    .page-68vi__product-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-68vi__product-item {
      background-color: var(--background-light);
      border-radius: 15px;
      overflow: hidden;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      text-align: center;
    }

    .page-68vi__product-item:hover {
      transform: translateY(-5px);
      box-shadow: 0 8px 20px rgba(0, 0, 0, 0.5);
    }

    .page-68vi__product-image {
      width: 100%;
      height: 250px;
      object-fit: cover;
      display: block;
    }

    .page-68vi__product-content {
      padding: 20px;
    }

    .page-68vi__product-title {
      font-size: 1.5em;
      color: var(--primary-color);
      margin-bottom: 10px;
    }

    .page-68vi__product-description {
      color: var(--text-color-dark);
      font-size: 0.95em;
    }

    /* Provider/Payment Grid */
    .page-68vi__logo-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
      gap: 20px;
      margin-top: 30px;
      justify-items: center;
      align-items: center;
    }

    .page-68vi__logo-item {
      background-color: var(--background-light);
      border-radius: 10px;
      padding: 15px;
      box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
      transition: transform 0.2s ease;
      display: flex;
      justify-content: center;
      align-items: center;
      min-height: 100px;
      box-sizing: border-box;
    }

    .page-68vi__logo-item:hover {
      transform: translateY(-3px);
    }

    .page-68vi__logo-text {
        font-size: 1.1em;
        font-weight: bold;
        color: var(--text-color-light);
        text-align: center;
    }

    /* Promotions */
    .page-68vi__promo-card {
      background-color: var(--background-light);
      border-radius: 15px;
      box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
      padding: 30px;
      margin-top: 30px;
      text-align: left;
      border-left: 5px solid var(--primary-color);
    }

    .page-68vi__promo-title {
      color: var(--accent-color);
      font-size: 2em;
      margin-bottom: 10px;
    }

    .page-68vi__promo-description {
      color: var(--text-color-dark);
      margin-bottom: 20px;
    }

    .page-68vi__promo-button {
      background-color: var(--primary-color);
      color: var(--text-color-light);
      padding: 10px 20px;
      border: none;
      border-radius: 25px;
      font-size: 1em;
      font-weight: bold;
      cursor: pointer;
      transition: background-color 0.3s ease;
      display: inline-block;
      text-decoration: none;
    }

    .page-68vi__promo-button:hover {
      background-color: var(--button-hover-bg);
    }

    /* FAQ Section */
    .page-68vi__faq-container {
      margin-top: 30px;
      text-align: left;
    }

    .page-68vi__faq-item {
      background-color: var(--background-light);
      margin-bottom: 15px;
      border-radius: 10px;
      overflow: hidden;
      box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
      border: 1px solid var(--border-color);
    }

    .page-68vi__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 15px 20px;
      background-color: var(--secondary-color);
      color: var(--text-color-light);
      cursor: pointer;
      user-select: none;
      font-size: 1.2em;
      font-weight: bold;
      transition: background-color 0.3s ease;
    }

    .page-68vi__faq-question:hover {
      background-color: #444;
    }

    .page-68vi__faq-question h3 {
      margin: 0;
      color: var(--text-color-light);
      font-size: 1.2em;
      pointer-events: none; /* Ngăn h3 chặn sự kiện click trên phần tử cha */
    }

    .page-68vi__faq-toggle {
      font-size: 1.5em;
      line-height: 1;
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn biểu tượng chặn sự kiện click trên phần tử cha */
    }

    .page-68vi__faq-item.active .page-68vi__faq-toggle {
      transform: rotate(45deg); /* Thay đổi + thành X hoặc - */
    }

    .page-68vi__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 15px;
      color: var(--text-color-dark);
      background-color: var(--background-light);
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      opacity: 0;
    }

    .page-68vi__faq-item.active .page-68vi__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 15px !important;
      opacity: 1;
    }

    .page-68vi__faq-answer p {
      margin: 0;
      padding-bottom: 10px;
    }
    .page-68vi__faq-answer p:last-child {
      padding-bottom: 0;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-68vi__hero-title {
        font-size: 2.5em;
      }

      .page-68vi__hero-description {
        font-size: 1.1em;
      }

      .page-68vi__heading {
        font-size: 2em;
      }

      .page-68vi__subheading {
        font-size: 1.5em;
      }

      .page-68vi__section {
        padding: 30px 15px;
      }

      .page-68vi__product-grid,
      .page-68vi__logo-grid {
        grid-template-columns: 1fr;
      }

      .page-68vi__product-image {
        height: 200px;
      }

      .page-68vi__floating-buttons {
        flex-direction: row;
        width: calc(100% - 40px);
        left: 20px;
        right: 20px;
        bottom: 15px;
        justify-content: space-around;
        gap: 5px;
      }

      .page-68vi__floating-button {
        flex: 1;
        padding: 10px 15px;
        font-size: 1em;
      }

      /* Image responsiveness */
      .page-68vi img {
        max-width: 100% !important;
        height: auto !important;
        box-sizing: border-box !important;
      }
      .page-68vi__product-item,
      .page-68vi__logo-item {
        width: 100% !important;
        max-width: 100% !important;
        box-sizing: border-box !important;
        margin-left: 0 !important;
        margin-right: 0 !important;
        padding-left: 0 !important;
        padding-right: 0 !important;
      }
      .page-68vi__product-content,
      .page-68vi__logo-item {
        padding: 15px !important;
      }
      .page-68vi__logo-grid {
        padding: 0 !important;
      }
      .page-68vi__product-grid {
        padding: 0 !important;
      }
      .page-68vi__faq-question {
        font-size: 1.1em;
        padding: 12px 15px;
      }
      .page-68vi__faq-question h3 {
        font-size: 1.1em;
      }
      .page-68vi__faq-answer {
        padding: 15px 15px !important;
      }
      .page-68vi__faq-answer p {
        word-wrap: break-word !important;
        overflow-wrap: break-word !important;
        word-break: break-word !important;
      }
    }
    
    @media (max-width: 480px) {
        .page-68vi__hero-title {
            font-size: 2em;
        }
        .page-68vi__hero-description {
            font-size: 1em;
        }
        .page-68vi__heading {
            font-size: 1.8em;
        }
        .page-68vi__floating-buttons {
            bottom: 10px;
            left: 10px;
            right: 10px;
        }
        .page-68vi__floating-button {
            padding: 8px 10px;
            font-size: 0.9em;
        }
    }