:root {
      --page-78win-primary-color: #e44d26; /* Màu cam đỏ năng động */
      --page-78win-secondary-color: #f7b731; /* Màu vàng cam bổ trợ */
      --page-78win-dark-background: #2a0000; /* Nền tối sâu */
      --page-78win-light-text: #ffffff;
      --page-78win-dark-text: #333333;
      --page-78win-border-color: #4a0000;
      --page-78win-gradient-start: #3a0000;
      --page-78win-gradient-end: #1a0000;
      --page-78win-button-hover: #ff6a00;
      --page-78win-card-bg: rgba(0, 0, 0, 0.4);
      --page-78win-faq-question-bg: rgba(0, 0, 0, 0.5);
      --page-78win-faq-question-hover-bg: rgba(0, 0, 0, 0.6);
    }

    .page-78win {
      font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
      line-height: 1.6;
      color: var(--page-78win-light-text);
      background: linear-gradient(135deg, var(--page-78win-gradient-start), var(--page-78win-gradient-end));
      min-height: 100vh;
      display: flex;
      flex-direction: column;
      overflow-x: hidden; /* Prevent horizontal scroll */
    }

    .page-78win__hero-section {
      position: relative;
      width: 100%;
      padding-top: 10px; /* Không gian cho header cố định */
      text-align: center;
      overflow: hidden;
      background-color: var(--page-78win-dark-background);
    }

    .page-78win__hero-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      margin: 0 auto;
      object-fit: cover;
      filter: brightness(0.8); /* Làm tối nhẹ để tăng khả năng đọc văn bản */
    }

    .page-78win__hero-content {
      position: absolute;
      top: 50%;
      left: 50%;
      transform: translate(-50%, -50%);
      color: var(--page-78win-light-text);
      text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.7);
      width: 90%;
      max-width: 800px;
      padding: 20px;
      box-sizing: border-box;
    }

    .page-78win__main-title {
      font-size: 2.8em;
      margin-bottom: 15px;
      color: var(--page-78win-secondary-color);
      text-transform: uppercase;
      line-height: 1.2;
    }

    .page-78win__hero-description {
      font-size: 1.2em;
      margin-bottom: 30px;
      max-width: 700px;
      margin-left: auto;
      margin-right: auto;
    }

    .page-78win__cta-button {
      display: inline-block;
      background-color: var(--page-78win-primary-color);
      color: var(--page-78win-light-text);
      padding: 15px 30px;
      border-radius: 50px;
      text-decoration: none;
      font-weight: bold;
      font-size: 1.1em;
      transition: background-color 0.3s ease, transform 0.2s ease;
      border: none;
      cursor: pointer;
    }

    .page-78win__cta-button:hover {
      background-color: var(--page-78win-button-hover);
      transform: translateY(-2px);
    }

    .page-78win__section {
      padding: 40px 20px;
      margin: 0 auto;
      max-width: 1200px;
      text-align: center;
      box-sizing: border-box;
    }

    .page-78win__section--alt {
      background-color: rgba(0, 0, 0, 0.2);
      border-top: 1px solid var(--page-78win-border-color);
      border-bottom: 1px solid var(--page-78win-border-color);
    }

    .page-78win__section-title {
      font-size: 2.2em;
      color: var(--page-78win-secondary-color);
      margin-bottom: 30px;
      position: relative;
      padding-bottom: 10px;
    }

    .page-78win__section-title::after {
      content: '';
      position: absolute;
      left: 50%;
      bottom: 0;
      transform: translateX(-50%);
      width: 80px;
      height: 4px;
      background-color: var(--page-78win-primary-color);
      border-radius: 2px;
    }

    .page-78win__text-content {
      font-size: 1.1em;
      margin-bottom: 20px;
      text-align: left;
    }

    .page-78win__grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
      gap: 30px;
      margin-top: 30px;
    }

    .page-78win__card {
      background-color: var(--page-78win-card-bg);
      border-radius: 15px;
      padding: 25px;
      text-align: center;
      box-shadow: 0 8px 16px rgba(0, 0, 0, 0.4);
      transition: transform 0.3s ease, box-shadow 0.3s ease;
      border: 1px solid var(--page-78win-border-color);
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: flex-start; /* Align content to top */
    }

    .page-78win__card:hover {
      transform: translateY(-5px);
      box-shadow: 0 12px 24px rgba(0, 0, 0, 0.6);
    }

    .page-78win__card-image-wrapper {
      width: 100%;
      max-width: 100%;
      overflow: hidden;
      box-sizing: border-box;
      margin-bottom: 20px;
      border-radius: 10px;
      border: 1px solid var(--page-78win-primary-color);
    }

    .page-78win__card-image {
      width: 100%;
      max-width: 100%;
      height: auto;
      display: block;
      border-radius: 10px;
      object-fit: cover;
    }

    .page-78win__card-title {
      font-size: 1.5em;
      color: var(--page-78win-secondary-color);
      margin-bottom: 10px;
    }

    .page-78win__card-description {
      font-size: 0.95em;
      color: #ccc;
    }

    .page-78win__feature-list {
      list-style: none;
      padding: 0;
      text-align: left;
      margin-top: 20px;
    }

    .page-78win__feature-item {
      background-color: rgba(0, 0, 0, 0.3);
      margin-bottom: 10px;
      padding: 15px 20px;
      border-radius: 8px;
      display: flex;
      align-items: center;
      border-left: 5px solid var(--page-78win-primary-color);
      font-size: 1em;
    }

    .page-78win__feature-item strong {
      color: var(--page-78win-secondary-color);
      margin-right: 8px;
    }

    .page-78win__floating-button-wrapper {
      position: fixed;
      bottom: 20px;
      right: 20px;
      z-index: 1000;
      text-align: center;
    }

    .page-78win__floating-button {
      background: linear-gradient(45deg, var(--page-78win-primary-color), var(--page-78win-button-hover));
      color: var(--page-78win-light-text);
      padding: 12px 25px;
      border-radius: 30px;
      font-weight: bold;
      font-size: 1.1em;
      box-shadow: 0 4px 10px rgba(0, 0, 0, 0.5);
      animation: pulse 1.5s infinite;
      text-decoration: none;
      display: inline-block;
      white-space: nowrap;
    }

    .page-78win__floating-button:hover {
      animation: none;
      background: linear-gradient(45deg, var(--page-78win-button-hover), var(--page-78win-primary-color));
    }

    @keyframes pulse {
      0% { transform: scale(1); }
      50% { transform: scale(1.05); }
      100% { transform: scale(1); }
    }

    /* FAQ Section */
    .page-78win__faq-section {
      background-color: rgba(0, 0, 0, 0.2);
      border-top: 1px solid var(--page-78win-border-color);
      padding: 40px 20px;
      max-width: 1200px;
      margin: 0 auto;
      text-align: center;
      box-sizing: border-box;
    }

    .page-78win__faq-list {
      margin-top: 30px;
      text-align: left;
    }

    .page-78win__faq-item {
      background-color: var(--page-78win-card-bg);
      margin-bottom: 15px;
      border-radius: 10px;
      overflow: hidden;
      border: 1px solid var(--page-78win-border-color);
    }

    .page-78win__faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding: 18px 25px;
      cursor: pointer;
      background-color: var(--page-78win-faq-question-bg);
      border-bottom: 1px solid transparent;
      transition: background-color 0.3s ease, border-bottom 0.3s ease;
      user-select: none;
    }

    .page-78win__faq-question:hover {
      background-color: var(--page-78win-faq-question-hover-bg);
    }

    .page-78win__faq-question h3 {
      margin: 0;
      font-size: 1.2em;
      color: var(--page-78win-secondary-color);
      pointer-events: none; /* Ngăn h3 chặn sự kiện click trên phần tử cha */
    }

    .page-78win__faq-toggle {
      font-size: 1.8em;
      font-weight: bold;
      color: var(--page-78win-primary-color);
      transition: transform 0.3s ease;
      pointer-events: none; /* Ngăn nút toggle chặn sự kiện click trên phần tử cha */
      width: 1em; /* Đảm bảo chiều rộng nhất quán */
      text-align: center;
    }
    /* Trạng thái ban đầu: dấu cộng */
    .page-78win__faq-toggle::before {
      content: '+';
    }
    /* Trạng thái mở rộng: dấu trừ */
    .page-78win__faq-item.active .page-78win__faq-toggle::before {
      content: '−'; /* Dấu trừ Unicode */
    }
    /* Loại bỏ xoay cho dấu trừ */
    .page-78win__faq-item.active .page-78win__faq-toggle {
      transform: none; /* Đặt lại transform nếu có */
    }

    .page-78win__faq-answer {
      max-height: 0;
      overflow: hidden;
      padding: 0 25px;
      opacity: 0;
      transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease, opacity 0.4s ease;
      color: #ccc;
    }

    .page-78win__faq-item.active .page-78win__faq-question {
      background-color: var(--page-78win-dark-background);
      border-bottom: 1px solid var(--page-78win-primary-color);
    }

    .page-78win__faq-item.active .page-78win__faq-answer {
      max-height: 2000px !important; /* Đủ lớn để chứa mọi nội dung */
      padding: 20px 25px !important;
      opacity: 1;
    }

    /* Responsive Design */
    @media (max-width: 768px) {
      .page-78win__hero-section {
        padding-top: 10px; /* Điều chỉnh cho header cố định trên di động */
      }

      .page-78win__main-title {
        font-size: 2em;
      }

      .page-78win__hero-description {
        font-size: 1em;
      }

      .page-78win__cta-button {
        padding: 12px 25px;
        font-size: 1em;
      }

      .page-78win__section {
        padding: 30px 15px;
      }

      .page-78win__section-title {
        font-size: 1.8em;
      }

      .page-78win__text-content {
        font-size: 1em;
      }

      .page-78win__grid {
        grid-template-columns: 1fr;
        gap: 20px;
      }

      .page-78win__card {
        padding: 20px;
      }

      .page-78win__card-title {
        font-size: 1.3em;
      }

      .page-78win__card-description {
        font-size: 0.9em;
      }

      .page-78win__feature-item {
        font-size: 0.95em;
        padding: 12px 15px;
      }

      .page-78win__floating-button-wrapper {
        bottom: 15px;
        right: 15px;
      }

      .page-78win__floating-button {
        padding: 10px 20px;
        font-size: 1em;
      }

      .page-78win__card-image,
      .page-78win__hero-image {
        max-width: 100% !important;
        height: auto !important;
      }
      .page-78win__card-image-wrapper {
        width: 100% !important;
        max-width: 100% !important;
        overflow: hidden !important;
        box-sizing: border-box !important;
      }
      .page-78win__faq-question {
        padding: 15px 20px;
      }
      .page-78win__faq-question h3 {
        font-size: 1.1em;
      }
      .page-78win__faq-answer {
        padding: 0 20px;
      }
      .page-78win__faq-item.active .page-78win__faq-answer {
        padding: 15px 20px !important;
      }
    }
    @media (max-width: 480px) {
      .page-78win__main-title {
        font-size: 1.8em;
      }
      .page-78win__hero-description {
        font-size: 0.9em;
      }
      .page-78win__section-title {
        font-size: 1.6em;
      }
      .page-78win__floating-button {
        padding: 8px 15px;
        font-size: 0.9em;
      }
    }