.page-download-center-installation-guide {
  font-family: 'Arial', sans-serif;
  color: #333;
  line-height: 1.6;
  background-color: #f8f8f8;
}

.page-download-center-installation-guide__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-download-center-installation-guide__hero {
  background-color: #003366;
  color: #fff;
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}

.page-download-center-installation-guide__hero-title {
  font-size: 3.2em;
  margin-bottom: 20px;
  color: #FFCC00; /* Vàng hổ phách cho tiêu đề nổi bật */
  font-weight: bold;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.page-download-center-installation-guide__hero-subtitle {
  font-size: 1.4em;
  margin-bottom: 40px;
  color: #e0e0e0;
}

.page-download-center-installation-guide__hero-image-wrapper {
  margin-bottom: 40px;
}

.page-download-center-installation-guide__hero-image {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 8px 16px rgba(0, 0, 0, 0.3);
}

.page-download-center-installation-guide__section {
  padding: 60px 0;
  background-color: #fff;
}

.page-download-center-installation-guide__section--alt-bg {
  background-color: #f0f4f8; /* Nền phụ nhẹ nhàng */
}

.page-download-center-installation-guide__section-title {
  font-size: 2.5em;
  color: #003366;
  text-align: center;
  margin-bottom: 40px;
  font-weight: bold;
}

.page-download-center-installation-guide__text {
  font-size: 1.1em;
  color: #444;
  margin-bottom: 20px;
  text-align: justify;
}

.page-download-center-installation-guide__list {
  list-style: none;
  padding: 0;
  margin-bottom: 30px;
}

.page-download-center-installation-guide__list li {
  background: #e0eaf4; /* Nền nhẹ cho các mục danh sách */
  margin-bottom: 10px;
  padding: 15px 20px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.05);
  font-size: 1.05em;
  color: #333;
}

.page-download-center-installation-guide__list li strong {
  color: #003366;
}

.page-download-center-installation-guide__list--icons li .page-download-center-installation-guide__icon {
  color: #003366;
  font-size: 1.5em;
  margin-right: 15px;
  line-height: 1;
}

.page-download-center-installation-guide__image-block {
  text-align: center;
  margin: 40px 0;
}

.page-download-center-installation-guide__image {
  max-width: 80%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
}

.page-download-center-installation-guide__faq-item {
  background-color: #fff;
  border: 1px solid #ddd;
  border-radius: 8px;
  margin-bottom: 20px;
  overflow: hidden;
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.05);
}

.page-download-center-installation-guide__faq-question {
  font-size: 1.5em;
  color: #003366;
  padding: 20px;
  margin: 0;
  cursor: pointer;
  background-color: #e0eaf4;
  border-bottom: 1px solid #d0dbe6;
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.page-download-center-installation-guide__faq-question::after {
  content: '+';
  font-size: 1.2em;
  transition: transform 0.3s ease;
}

.page-download-center-installation-guide__faq-question.active::after {
  content: '-';
  transform: rotate(180deg);
}

.page-download-center-installation-guide__faq-answer {
  padding: 20px;
  font-size: 1.05em;
  color: #555;
  background-color: #f9fbfd;
  display: none; /* Ẩn theo mặc định */
}

.page-download-center-installation-guide__faq-answer p {
  margin-bottom: 15px;
}

.page-download-center-installation-guide__faq-answer ul,
.page-download-center-installation-guide__faq-answer ol {
  margin-left: 25px;
  margin-bottom: 15px;
}

.page-download-center-installation-guide__faq-answer li {
  margin-bottom: 8px;
  background: none;
  padding: 0;
  box-shadow: none;
  font-size: 1em;
  color: #555;
}

.page-download-center-installation-guide__btn {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 50px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1em;
  transition: background-color 0.3s ease, transform 0.3s ease, box-shadow 0.3s ease;
  margin: 10px;
  box-shadow: 0 4px 8px rgba(0, 0, 0, 0.2);
}

.page-download-center-installation-guide__btn--primary {
  background-color: #FFCC00;
  color: #003366;
}

.page-download-center-installation-guide__btn--primary:hover {
  background-color: #e6b800;
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.page-download-center-installation-guide__btn--secondary {
  background-color: #003366;
  color: #fff;
  border: 2px solid #FFCC00;
}

.page-download-center-installation-guide__btn--secondary:hover {
  background-color: #002244;
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.page-download-center-installation-guide__btn--tertiary {
  background-color: #e0eaf4;
  color: #003366;
  border: 1px solid #003366;
}

.page-download-center-installation-guide__btn--tertiary:hover {
  background-color: #c9d8e5;
  transform: translateY(-3px);
  box-shadow: 0 6px 12px rgba(0, 0, 0, 0.3);
}

.page-download-center-installation-guide__btn--large {
  padding: 18px 35px;
  font-size: 1.2em;
}

.page-download-center-installation-guide__cta-buttons {
  text-align: center;
  margin-top: 40px;
  margin-bottom: 40px;
}

.page-download-center-installation-guide__contact-section {
  text-align: center;
}

.page-download-center-installation-guide__cta-final {
  background-color: #003366;
  color: #fff;
  padding: 60px 0;
  text-align: center;
  margin-top: 40px;
}

.page-download-center-installation-guide__cta-text {
  font-size: 1.5em;
  margin-bottom: 30px;
  color: #FFCC00;
  font-weight: bold;
}

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

  .page-download-center-installation-guide__hero-subtitle {
    font-size: 1.2em;
  }

  .page-download-center-installation-guide__section-title {
    font-size: 2em;
  }

  .page-download-center-installation-guide__faq-question {
    font-size: 1.3em;
  }

  .page-download-center-installation-guide__btn {
    padding: 12px 25px;
    font-size: 1em;
    margin: 8px;
  }

  .page-download-center-installation-guide__btn--large {
    padding: 15px 30px;
    font-size: 1.1em;
  }

  .page-download-center-installation-guide__image {
    max-width: 95%;
  }
}

@media (max-width: 480px) {
  .page-download-center-installation-guide__hero-title {
    font-size: 2em;
  }

  .page-download-center-installation-guide__hero-subtitle {
    font-size: 1em;
  }

  .page-download-center-installation-guide__section-title {
    font-size: 1.8em;
  }

  .page-download-center-installation-guide__faq-question {
    font-size: 1.1em;
    padding: 15px;
  }

  .page-download-center-installation-guide__btn {
    display: block;
    width: calc(100% - 20px);
    margin: 10px auto;
  }

  .page-download-center-installation-guide__list li {
    font-size: 0.95em;
    padding: 12px 15px;
  }

  .page-download-center-installation-guide__cta-text {
    font-size: 1.2em;
  }
}