.page-support {
  font-family: 'Arial', sans-serif;
  color: #E0E0E0; /* Màu chữ mặc định cho nền tối */
  background-color: #1A1A1A; /* Nền chính */
  line-height: 1.6;
}

.page-support .container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 20px;
}

.page-support section {
  padding: 60px 0;
  text-align: center;
}

.page-support section:nth-child(even) {
  background-color: #222222;
}

.page-support h1,
.page-support h2 {
  color: #FFD700; /* Màu vàng kim cho tiêu đề chính */
  margin-bottom: 25px;
  font-weight: bold;
}

.page-support h1 {
  font-size: 3.2em;
  line-height: 1.2;
}

.page-support h2 {
  font-size: 2.5em;
}

.page-support h3 {
  color: #FFD700; /* Màu vàng kim cho tiêu đề phụ */
  font-size: 1.8em;
  margin-bottom: 15px;
}

.page-support p {
  font-size: 1.1em;
  margin-bottom: 20px;
  color: #CCCCCC; /* Màu chữ nhạt hơn cho đoạn văn */
}

.page-support a {
  color: #FFD700;
  text-decoration: none;
  transition: color 0.3s ease;
}

.page-support a:hover {
  color: #FFF2CC;
}

.page-support .cta-button {
  display: inline-block;
  background-color: #FFD700;
  color: #1A1A1A;
  padding: 15px 30px;
  border-radius: 5px;
  font-size: 1.1em;
  font-weight: bold;
  text-transform: uppercase;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.page-support .cta-button:hover {
  background-color: #FFF2CC;
  transform: translateY(-2px);
  box-shadow: 0 4px 10px rgba(0, 0, 0, 0.3);
}

.page-support .btn-small {
  display: inline-block;
  background-color: #FFD700;
  color: #1A1A1A;
  padding: 10px 20px;
  border-radius: 5px;
  font-size: 0.9em;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
}

.page-support .btn-small:hover {
  background-color: #FFF2CC;
  transform: translateY(-1px);
  box-shadow: 0 2px 5px rgba(0, 0, 0, 0.2);
}

.page-support .btn-faq {
  display: inline-block;
  background-color: #444444;
  color: #FFD700;
  padding: 8px 15px;
  border-radius: 5px;
  font-size: 0.9em;
  font-weight: bold;
  transition: all 0.3s ease;
  border: none;
  cursor: pointer;
  margin-top: 10px;
}

.page-support .btn-faq:hover {
  background-color: #555555;
  transform: translateY(-1px);
}

/* Support Hero Section */
.page-support .support-hero {
  background: linear-gradient(135deg, #1A1A1A 0%, #000000 100%);
  padding: 80px 0;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 500px;
}

.page-support .support-hero .container {
  display: flex;
  flex-direction: row;
  align-items: center;
  justify-content: space-between;
  text-align: left;
}

.page-support .support-hero .hero-content {
  flex: 1;
  padding-right: 40px;
}

.page-support .support-hero .hero-content h1 {
  color: #FFD700;
}

.page-support .support-hero .hero-image {
  flex: 1;
  text-align: right;
}

.page-support .support-hero .hero-image img {
  max-width: 100%;
  height: auto;
  border-radius: 10px;
  box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
  min-width: 400px; /* Ensure minimum size */
  min-height: 300px;
  object-fit: cover;
}

/* Contact Channels */
.page-support .contact-channels {
  background-color: #1A1A1A;
}

.page-support .channels-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-support .channel-item {
  background-color: #222222;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-support .channel-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-support .channel-item .channel-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  filter: brightness(1.2); /* Enhance icon visibility */
  min-width: 100px; /* Ensure minimum size */
  min-height: 100px;
  object-fit: contain;
}

.page-support .channel-item h3 {
  font-size: 1.5em;
  margin-bottom: 10px;
}

.page-support .channel-item p {
  font-size: 1em;
  color: #AAAAAA;
}

.page-support .channel-link {
  display: inline-block;
  margin-top: 15px;
  font-weight: bold;
  color: #FFD700;
}

/* Quick Guides */
.page-support .quick-guides {
  background-color: #222222;
}

.page-support .guides-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-support .guide-item {
  background-color: #1A1A1A;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: left;
  overflow: hidden;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-support .guide-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-support .guide-item .guide-image {
  width: 100%;
  height: 200px;
  object-fit: cover;
  border-bottom: 3px solid #FFD700;
  min-width: 280px; /* Ensure minimum size */
  min-height: 200px;
}

.page-support .guide-item h3 {
  padding: 15px 20px 0;
  font-size: 1.4em;
  color: #FFD700;
}

.page-support .guide-item h3 a {
  color: #FFD700;
}

.page-support .guide-item p {
  padding: 0 20px;
  font-size: 0.95em;
  color: #AAAAAA;
}

.page-support .guide-item .btn-small {
  margin: 15px 20px 20px;
}

/* FAQ Section */
.page-support .faq-section {
  background-color: #1A1A1A;
}

.page-support .faq-list {
  max-width: 900px;
  margin: 40px auto 0;
}

.faq-item {
  margin-bottom: 15px;
  border-radius: 8px;
  overflow: hidden;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 25px;
  background: #222222;
  border: 1px solid #333333;
  border-radius: 8px;
  cursor: pointer;
  transition: background-color 0.3s ease;
}

.faq-question:hover {
  background: #2D2D2D;
}

.faq-question h3 {
  margin: 0;
  font-size: 1.25em;
  color: #FFD700;
  text-align: left;
}

.faq-toggle {
  font-size: 28px;
  font-weight: bold;
  color: #FFD700;
  transition: transform 0.3s ease;
}

.faq-item.active .faq-toggle {
  transform: rotate(45deg);
  color: #FFF2CC;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease-out, padding 0.4s ease-out;
  padding: 0 25px;
  background: #2D2D2D;
  border-radius: 0 0 8px 8px;
  text-align: left;
}

.faq-item.active .faq-answer {
  max-height: 500px; /* Đủ lớn để chứa nội dung */
  padding: 20px 25px;
  border: 1px solid #333333;
  border-top: none;
}

.faq-answer p {
  color: #CCCCCC;
  margin-bottom: 15px;
}

/* Policies Section */
.page-support .policies-section {
  background-color: #222222;
}

.page-support .policies-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 30px;
  margin-top: 40px;
}

.page-support .policy-item {
  background-color: #1A1A1A;
  padding: 30px;
  border-radius: 10px;
  box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
  text-align: center;
  transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.page-support .policy-item:hover {
  transform: translateY(-5px);
  box-shadow: 0 8px 20px rgba(0, 0, 0, 0.3);
}

.page-support .policy-item .policy-icon {
  width: 100px;
  height: 100px;
  margin-bottom: 20px;
  filter: brightness(1.2); /* Enhance icon visibility */
  min-width: 100px; /* Ensure minimum size */
  min-height: 100px;
  object-fit: contain;
}

.page-support .policy-item h3 {
  font-size: 1.5em;
  margin-bottom: 10px;
}

.page-support .policy-item h3 a {
  color: #FFD700;
}

.page-support .policy-item p {
  font-size: 1em;
  color: #AAAAAA;
}

/* Feedback Section */
.page-support .feedback-section {
  background-color: #1A1A1A;
  padding: 80px 0;
}

/* Responsive Design */
@media (max-width: 992px) {
  .page-support h1 {
    font-size: 2.8em;
  }
  .page-support h2 {
    font-size: 2em;
  }
  .page-support h3 {
    font-size: 1.6em;
  }
  .page-support .support-hero .container {
    flex-direction: column;
    text-align: center;
  }
  .page-support .support-hero .hero-content {
    padding-right: 0;
    margin-bottom: 40px;
  }
  .page-support .support-hero .hero-image {
    text-align: center;
  }
}

@media (max-width: 768px) {
  .page-support section {
    padding: 40px 0;
  }
  .page-support h1 {
    font-size: 2.2em;
  }
  .page-support h2 {
    font-size: 1.8em;
  }
  .page-support h3 {
    font-size: 1.4em;
  }
  .page-support p {
    font-size: 1em;
  }
  .page-support .cta-button {
    padding: 12px 25px;
    font-size: 1em;
  }
  .page-support .channels-grid, .page-support .guides-grid, .page-support .policies-grid {
    grid-template-columns: 1fr;
  }
  .faq-question {
    padding: 15px 20px;
  }
  .faq-question h3 {
    font-size: 1.1em;
  }
  .faq-toggle {
    font-size: 24px;
  }
  .faq-answer {
    padding: 15px 20px;
  }
  .page-support .support-hero .hero-image img {
    min-width: 280px;
    min-height: 200px;
  }
  .page-support .channel-item .channel-icon,
  .page-support .policy-item .policy-icon {
    width: 80px;
    height: 80px;
    min-width: 80px;
    min-height: 80px;
  }
  .page-support .guide-item .guide-image {
    height: 180px;
  }
}