.page-support {
  color: #ffffff; /* Sẽ được phủ bởi màu chữ cụ thể nếu nền tối */
  background-color: #000000; /* Body background from shared.css */
  font-family: Arial, sans-serif;
  line-height: 1.6;
}

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

.page-support__section-title {
  font-size: 2.5rem;
  color: #FFD700; /* Màu vàng kim cho tiêu đề */
  text-align: center;
  margin-bottom: 20px;
  font-weight: bold;
  text-transform: uppercase;
}

.page-support__section-description {
  font-size: 1.1rem;
  color: #f0f0f0;
  text-align: center;
  margin-bottom: 40px;
  max-width: 800px;
  margin-left: auto;
  margin-right: auto;
}

/* Hero Section */
.page-support__hero-section {
  position: relative;
  width: 100%;
  height: 600px; /* Chiều cao cố định cho hero */
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  overflow: hidden;
  padding-top: var(--header-offset, 120px); /* Đảm bảo không bị header che */
  box-sizing: border-box;
}

.page-support__hero-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  z-index: 1;
}

.page-support__hero-overlay {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: rgba(0, 0, 0, 0.7);
  z-index: 2;
}

.page-support__hero-content {
  position: relative;
  z-index: 3;
  max-width: 900px;
  padding: 20px;
}

.page-support__hero-title {
  font-size: 3.5rem;
  color: #FFD700; /* Vàng kim */
  margin-bottom: 20px;
  line-height: 1.2;
  font-weight: bold;
}

.page-support__hero-description {
  font-size: 1.3rem;
  color: #f0f0f0;
  margin-bottom: 40px;
}

.page-support__hero-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
}

.page-support__btn-primary,
.page-support__btn-secondary,
.page-support__method-button {
  display: inline-block;
  padding: 15px 30px;
  border-radius: 8px;
  text-decoration: none;
  font-weight: bold;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-sizing: border-box;
  text-align: center;
  white-space: normal;
  word-wrap: break-word;
}

.page-support__btn-primary {
  background-color: #FFD700; /* Vàng kim */
  color: #1A237E; /* Xanh đậm */
  border: 2px solid #FFD700;
}

.page-support__btn-primary:hover {
  background-color: #e6c200;
  border-color: #e6c200;
}

.page-support__btn-secondary {
  background-color: transparent;
  color: #FFD700; /* Vàng kim */
  border: 2px solid #FFD700;
}

.page-support__btn-secondary:hover {
  background-color: #FFD700;
  color: #1A237E; /* Xanh đậm */
}

/* Methods Section */
.page-support__methods-section,
.page-support__faq-section,
.page-support__security-section,
.page-support__contact-cta-section {
  padding: 80px 0;
  background-color: #1A237E; /* Nền xanh đậm */
  color: #ffffff;
}

.page-support__faq-section {
  background-color: #0d0d0d; /* Nền tối hơn cho FAQ */
}

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

.page-support__method-card,
.page-support__security-card {
  background-color: rgba(255, 255, 255, 0.1);
  padding: 30px;
  border-radius: 10px;
  text-align: center;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  border: 1px solid rgba(255, 255, 255, 0.2);
}

.page-support__method-title,
.page-support__security-title {
  font-size: 1.8rem;
  color: #FFD700; /* Vàng kim */
  margin-bottom: 15px;
  font-weight: bold;
}

.page-support__method-text,
.page-support__security-text {
  font-size: 1rem;
  color: #f0f0f0;
  margin-bottom: 20px;
  flex-grow: 1;
}

.page-support__method-button {
  background-color: #1A237E;
  color: #FFD700;
  border: 2px solid #FFD700;
  padding: 10px 20px;
  margin-top: auto; /* Đẩy nút xuống dưới cùng */
}

.page-support__method-button:hover {
  background-color: #FFD700;
  color: #1A237E;
}

.page-support__channels-image,
.page-support__security-image,
.page-support__contact-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 60px auto 0 auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  object-fit: cover;
}

/* FAQ Section */
.page-support__faq-list {
  margin-top: 50px;
}

.page-support__faq-category {
  margin-bottom: 40px;
}

.page-support__category-title {
  font-size: 2rem;
  color: #FFD700; /* Vàng kim */
  margin-bottom: 25px;
  text-align: center;
  font-weight: bold;
  border-bottom: 2px solid rgba(255, 255, 255, 0.2);
  padding-bottom: 10px;
}

.page-support__faq-item {
  background-color: rgba(255, 255, 255, 0.08);
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.15);
}

.page-support__faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 25px;
  font-size: 1.2rem;
  font-weight: bold;
  color: #f0f0f0;
  cursor: pointer;
  background-color: rgba(255, 255, 255, 0.05);
  transition: background-color 0.3s ease;
}

.page-support__faq-question:hover {
  background-color: rgba(255, 255, 255, 0.1);
}

.page-support__faq-toggle {
  font-size: 1.8rem;
  font-weight: bold;
  color: #FFD700;
  transition: transform 0.3s ease;
}

.page-support__faq-item.active .page-support__faq-toggle {
  transform: rotate(45deg);
}

.page-support__faq-answer {
  max-height: 0;
  overflow: hidden;
  padding: 0 25px;
  color: #cccccc;
  font-size: 1rem;
  transition: max-height 0.3s ease, padding 0.3s ease;
}

.page-support__faq-item.active .page-support__faq-answer {
  max-height: 1000px !important; /* Đảm bảo đủ lớn để chứa nội dung */
  padding: 15px 25px 20px 25px;
}

.page-support__faq-answer p {
  margin: 0;
  color: #cccccc;
}

.page-support__faq-answer a {
  color: #FFD700;
  text-decoration: none;
}

.page-support__faq-answer a:hover {
  text-decoration: underline;
}

.page-support__faq-image {
  display: block;
  max-width: 100%;
  height: auto;
  margin: 60px auto 0 auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
  object-fit: cover;
}

/* Contact CTA Section */
.page-support__contact-cta-section {
  background-color: #0d0d0d;
}

.page-support__contact-buttons {
  display: flex;
  gap: 20px;
  justify-content: center;
  flex-wrap: wrap;
  margin-top: 40px;
}

/* Responsive Design */
@media (max-width: 1024px) {
  .page-support__hero-title {
    font-size: 3rem;
  }
  .page-support__hero-description {
    font-size: 1.1rem;
  }
  .page-support__section-title {
    font-size: 2rem;
  }
  .page-support__category-title {
    font-size: 1.8rem;
  }
  .page-support__faq-question {
    font-size: 1.1rem;
  }
}

@media (max-width: 768px) {
  .page-support__hero-section {
    height: 500px;
    padding-top: var(--header-offset, 120px) !important;
  }
  .page-support__hero-title {
    font-size: 2.5rem;
  }
  .page-support__hero-description {
    font-size: 1rem;
  }
  .page-support__section-title {
    font-size: 1.8rem;
  }
  .page-support__section-description {
    font-size: 0.95rem;
  }
  .page-support__method-grid,
  .page-support__security-grid {
    grid-template-columns: 1fr;
  }
  .page-support__method-title,
  .page-support__security-title {
    font-size: 1.5rem;
  }
  .page-support__method-button,
  .page-support__btn-primary,
  .page-support__btn-secondary {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    white-space: normal !important;
    word-wrap: break-word !important;
    padding-left: 15px;
    padding-right: 15px;
  }
  .page-support__hero-buttons,
  .page-support__contact-buttons {
    flex-direction: column;
    gap: 15px;
  }
  .page-support__faq-question {
    font-size: 1rem;
    padding: 15px 20px;
  }
  .page-support__faq-answer {
    padding: 0 20px;
  }
  .page-support__faq-item.active .page-support__faq-answer {
    padding: 15px 20px 20px 20px;
  }
  
  /* Mobile image responsiveness */
  .page-support img {
    max-width: 100% !important;
    height: auto !important;
    display: block !important;
  }
  .page-support__section,
  .page-support__card,
  .page-support__container {
    max-width: 100% !important;
    width: 100% !important;
    box-sizing: border-box !important;
    padding-left: 15px;
    padding-right: 15px;
    overflow: hidden !important;
  }
}

@media (max-width: 480px) {
  .page-support__hero-section {
    height: 450px;
  }
  .page-support__hero-title {
    font-size: 2rem;
  }
  .page-support__hero-description {
    font-size: 0.9rem;
  }
  .page-support__section-title {
    font-size: 1.5rem;
  }
  .page-support__category-title {
    font-size: 1.3rem;
  }
  .page-support__faq-question {
    font-size: 0.95rem;
  }
}