.page-download {
  font-family: 'Arial', sans-serif;
  line-height: 1.6;
  color: #f0f0f0; /* Default text color for dark body background */
  background-color: #0F172A; /* Body background from shared.css */
}

.page-download__container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 40px 20px;
  box-sizing: border-box;
}

.page-download__section-title {
  font-size: 2.5rem;
  color: #FFD700;
  text-align: center;
  margin-bottom: 30px;
  font-weight: 700;
}

.page-download__text-block {
  font-size: 1.1rem;
  line-height: 1.8;
  text-align: center;
  max-width: 900px;
  margin: 0 auto 40px auto;
  color: #e0e0e0;
}

.page-download__main-title {
  font-size: 3.2rem;
  color: #FFD700;
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: 800;
}

.page-download__description {
  font-size: 1.3rem;
  color: #ffffff;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-download__hero-section {
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  text-align: center;
  padding: 60px 20px;
  padding-top: var(--header-offset, 120px); /* Ensure content is below fixed header */
  background: linear-gradient(135deg, #1A202C, #0F172A);
  color: #ffffff;
}

.page-download__hero-container {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
}

.page-download__hero-image {
  width: 100%;
  margin-bottom: 30px;
}

.page-download__hero-image img {
  width: 100%;
  height: auto;
  max-width: 100%;
  display: block;
  border-radius: 12px;
  object-fit: cover;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
}

.page-download__hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  width: 100%;
}

.page-download__cta-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  margin-top: 30px;
  flex-wrap: wrap;
}

.page-download__cta-button {
  display: inline-block;
  padding: 15px 40px;
  text-decoration: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: bold;
  transition: all 0.3s ease;
  box-sizing: border-box;
  white-space: normal;
  word-wrap: break-word;
}

.page-download__btn-primary {
  background: #FFD700;
  color: #1A202C;
  border: 2px solid #FFD700;
}

.page-download__btn-primary:hover {
  background: #e6c200;
  border-color: #e6c200;
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(255, 215, 0, 0.4);
}

.page-download__btn-secondary {
  background: transparent;
  color: #FFD700;
  border: 2px solid #FFD700;
}

.page-download__btn-secondary:hover {
  background: #FFD700;
  color: #1A202C;
  transform: translateY(-3px);
  box-shadow: 0 6px 15px rgba(255, 215, 0, 0.4);
}

/* Benefits Section */
.page-download__benefits-section {
  background-color: #1A202C;
  color: #ffffff;
  padding: 80px 0;
}

.page-download__benefits-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  list-style: none;
  padding: 0;
  margin: 0;
}

.page-download__benefit-item {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-download__benefit-item:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 215, 0, 0.1);
}

.page-download__benefit-heading {
  font-size: 1.5rem;
  color: #FFD700;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__benefit-item p {
  color: #e0e0e0;
  font-size: 1rem;
}

/* Instructions Section */
.page-download__instructions-section {
  background-color: #0F172A;
  color: #ffffff;
  padding: 80px 0;
}

.page-download__download-platforms {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 40px;
  margin-top: 50px;
}

.page-download__platform-card {
  background-color: #1A202C;
  padding: 30px;
  border-radius: 12px;
  text-align: center;
  box-shadow: 0 6px 25px rgba(0, 0, 0, 0.4);
}

.page-download__platform-title {
  font-size: 1.8rem;
  color: #FFD700;
  margin-bottom: 25px;
  font-weight: 700;
}

.page-download__platform-card img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 25px;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

.page-download__step-list {
  list-style: none;
  padding: 0;
  text-align: left;
  margin-bottom: 30px;
}

.page-download__step-list li {
  display: flex;
  align-items: flex-start;
  margin-bottom: 15px;
  font-size: 1.05rem;
  color: #e0e0e0;
}

.page-download__step-number {
  background-color: #FFD700;
  color: #1A202C;
  border-radius: 50%;
  width: 28px;
  height: 28px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  font-size: 0.9rem;
  flex-shrink: 0;
  margin-right: 15px;
}

.page-download__btn-download {
  margin-top: 20px;
  width: 80%;
}

.page-download__note-block {
  background-color: rgba(255, 215, 0, 0.1);
  border-left: 5px solid #FFD700;
  padding: 25px;
  border-radius: 8px;
  margin-top: 60px;
  text-align: left;
}

.page-download__note-title {
  font-size: 1.6rem;
  color: #FFD700;
  margin-top: 0;
  margin-bottom: 15px;
  font-weight: 600;
}

.page-download__note-block p {
  color: #f0f0f0;
  font-size: 1rem;
}

/* Features Section */
.page-download__features-section {
  background-color: #1A202C;
  color: #ffffff;
  padding: 80px 0;
}

.page-download__feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 50px;
}

.page-download__feature-card {
  background-color: rgba(255, 255, 255, 0.08);
  padding: 25px;
  border-radius: 10px;
  text-align: center;
  box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
  transition: transform 0.3s ease, background-color 0.3s ease;
}

.page-download__feature-card:hover {
  transform: translateY(-5px);
  background-color: rgba(255, 215, 0, 0.1);
}

.page-download__feature-card img {
  max-width: 100%;
  height: auto;
  border-radius: 8px;
  margin-bottom: 20px;
}

.page-download__feature-title {
  font-size: 1.4rem;
  color: #FFD700;
  margin-bottom: 10px;
  font-weight: 600;
}

.page-download__feature-card p {
  color: #e0e0e0;
  font-size: 0.95rem;
}

/* FAQ Section */
.page-download__faq-section {
  background-color: #0F172A;
  color: #ffffff;
  padding: 80px 0;
}

.page-download__faq-list {
  max-width: 900px;
  margin: 50px auto 0 auto;
}

/* FAQ容器样式 */
.page-download__faq-item {
  margin-bottom: 15px;
  border-radius: 10px;
  overflow: hidden;
  box-shadow: 0 4px 15px rgba(0, 0, 0, 0.3);
}

/* FAQ默认状态 - 答案隐藏 */
.page-download__faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s ease;
  padding: 0 25px;
  opacity: 0;
  color: #e0e0e0;
  background: rgba(255, 255, 255, 0.05);
}

/* FAQ展开状态 - 🚨 使用!important和足够大的max-height确保一定能展开 */
.page-download__faq-item.active .page-download__faq-answer {
  max-height: 2000px !important; /* 🚨 Sử dụng!important đảm bảo ưu tiên, giá trị đủ lớn để chứa mọi nội dung */
  padding: 20px 25px !important;
  opacity: 1;
  background: rgba(255, 255, 255, 0.05);
  border-radius: 0 0 10px 10px;
}

/* 问题样式 */
.page-download__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  background: #1A202C;
  border: 1px solid rgba(255, 215, 0, 0.2);
  border-radius: 10px;
  cursor: pointer;
  user-select: none;
  transition: background-color 0.3s ease, border-color 0.3s ease;
  position: relative;
  color: #ffffff;
}

.page-download__faq-question:hover {
  background: #2a3345;
  border-color: #FFD700;
}

.page-download__faq-question:active {
  background: #3a455a;
}

/* 问题标题样式 */
.page-download__faq-question h3 {
  margin: 0;
  padding: 0;
  flex: 1;
  font-size: 1.15rem;
  font-weight: 600;
  line-height: 1.5;
  pointer-events: none; /* 防止h3标签阻止点击事件 */
  color: #ffffff;
}

/* 切换图标 */
.page-download__faq-toggle {
  font-size: 28px;
  font-weight: bold;
  line-height: 1;
  color: #FFD700;
  transition: transform 0.3s ease, color 0.3s ease;
  flex-shrink: 0;
  margin-left: 20px;
  pointer-events: none; /* 防止图标阻止点击事件 */
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 32px;
  height: 32px;
}

.page-download__faq-item.active .page-download__faq-toggle {
  color: #ffffff;
  transform: rotate(45deg); /* Plus to X effect */
}

/* CTA Bottom Section */
.page-download__cta-bottom-section {
  background-color: #1A202C;
  padding: 80px 0;
  text-align: center;
  color: #ffffff;
}

.page-download__cta-bottom-section .page-download__section-title {
  color: #FFD700;
}

.page-download__cta-bottom-section .page-download__section-title span {
  color: #ffffff;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-download__main-title {
    font-size: 2.8rem;
  }
  .page-download__description {
    font-size: 1.2rem;
  }
  .page-download__section-title {
    font-size: 2rem;
  }
}

@media (max-width: 768px) {
  .page-download__hero-section {
    padding-top: var(--header-offset, 120px) !important;
    padding-bottom: 40px;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-download__main-title {
    font-size: 2.2rem;
  }
  .page-download__description {
    font-size: 1rem;
    margin-bottom: 30px;
  }
  .page-download__cta-buttons {
    flex-direction: column;
    gap: 15px;
    width: 100%;
    padding-left: 15px;
    padding-right: 15px;
    box-sizing: border-box !important;
  }
  .page-download__cta-button {
    width: 100% !important;
    max-width: 100% !important;
    padding: 12px 20px;
    font-size: 1rem;
  }
  .page-download__container {
    padding: 30px 15px;
  }
  .page-download__section-title {
    font-size: 1.8rem;
    margin-bottom: 25px;
  }
  .page-download__text-block {
    font-size: 0.95rem;
    margin-bottom: 30px;
  }
  .page-download__benefits-list, .page-download__download-platforms, .page-download__feature-grid {
    grid-template-columns: 1fr;
    gap: 25px;
  }
  .page-download__benefit-item, .page-download__platform-card, .page-download__feature-card {
    padding: 20px;
  }
  .page-download__benefit-heading {
    font-size: 1.3rem;
  }
  .page-download__platform-title {
    font-size: 1.5rem;
  }
  .page-download__step-list li {
    font-size: 0.95rem;
  }
  .page-download__btn-download {
    width: 100%;
  }
  .page-download__note-title {
    font-size: 1.4rem;
  }
  .page-download__faq-list {
    margin-top: 30px;
  }
  .page-download__faq-question {
    padding: 15px 20px;
  }
  .page-download__faq-question h3 {
    font-size: 1rem;
  }
  .page-download__faq-toggle {
    font-size: 24px;
    width: 28px;
    height: 28px;
  }
  .page-download__faq-item.active .page-download__faq-answer {
    padding: 15px 20px !important;
  }
  .page-download img {
    max-width: 100% !important;
    width: 100% !important;
    height: auto !important;
  }
  .page-download__section, .page-download__card, .page-download__container, .page-download__hero-image, .page-download__platform-card, .page-download__feature-card {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-download__faq-item {
    padding-left: 0;
    padding-right: 0;
  }
}

@media (max-width: 480px) {
  .page-download__main-title {
    font-size: 1.8rem;
  }
  .page-download__section-title {
    font-size: 1.6rem;
  }
  .page-download__cta-button {
    padding: 10px 15px;
  }
  .page-download__hero-image img {
    border-radius: 8px;
  }
  .page-download__platform-card img {
    border-radius: 6px;
  }
  .page-download__note-block {
    padding: 20px;
  }
  .page-download__note-title {
    font-size: 1.2rem;
  }
  .page-download__faq-question h3 {
    font-size: 0.95rem;
  }
}