/* === 联系页面特有样式 === */

.contact-hero {
  padding: 5rem 0;
  text-align: center;
  background: linear-gradient(135deg, var(--color-paper) 0%, var(--color-paper-dark) 100%);
}

.contact-title {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  color: var(--color-brown-dark);
}

.contact-subtitle {
  font-size: 1.3rem;
  color: var(--color-text-light);
  max-width: 700px;
  margin: 0 auto;
  font-style: italic;
}

.contact-methods {
  padding: 5rem 0;
  background-color: var(--color-paper-dark);
}

.methods-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
  gap: 2.5rem;
}

.method-card {
  text-align: center;
  padding: 2.5rem 2rem;
  position: relative;
  height: 100%;
}

.method-icon {
  font-size: 3.5rem;
  margin-bottom: 1.5rem;
  display: block;
}

.method-card h3 {
  color: var(--color-brown-dark);
  margin-bottom: 0.8rem;
  font-size: 1.5rem;
}

.method-desc {
  color: var(--color-green);
  font-style: italic;
  margin-bottom: 2rem;
}

.contact-info {
  margin-bottom: 2rem;
}

.contact-info p {
  margin-bottom: 0.5rem;
  color: var(--color-text);
  font-weight: 500;
}

.contact-info small {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.method-note {
  margin-top: auto;
}

.speech-bubble {
  background-color: var(--color-paper);
  padding: 1.2rem;
  border-radius: 15px;
  position: relative;
  margin-top: 1rem;
}

.speech-bubble::after {
  content: '';
  position: absolute;
  top: -10px;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 0;
  border: 10px solid transparent;
  border-bottom-color: var(--color-paper);
}

.sticky-note {
  background-color: #fff9c4;
  padding: 1.2rem;
  transform: rotate(-2deg);
  margin-top: 1rem;
  border-left: 3px solid var(--color-green);
}

.draft-paper {
  background-image: 
    linear-gradient(transparent 24px, var(--color-brown-light) 25px),
    linear-gradient(90deg, transparent 24px, var(--color-brown-light) 25px);
  background-size: 25px 25px;
  padding: 1.2rem;
  min-height: 80px;
  margin-top: 1rem;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
}

.collaboration-showcase {
  padding: 5rem 0;
}

.timeline-container {
  max-width: 800px;
  margin: 3rem auto 0;
  position: relative;
}

.timeline-container::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: linear-gradient(to bottom, var(--color-brown-light), var(--color-green));
  transform: translateX(-50%);
}

.timeline-item {
  display: flex;
  margin-bottom: 3rem;
  position: relative;
}

.timeline-item:nth-child(even) {
  flex-direction: row-reverse;
}

.timeline-marker {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  background: var(--color-brown);
  color: white;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: bold;
  position: absolute;
  left: 50%;
  transform: translateX(-50%);
  z-index: 2;
  border: 3px solid var(--color-paper);
}

.timeline-content {
  width: 45%;
  padding: 1.5rem;
}

.timeline-item:nth-child(even) .timeline-content {
  margin-left: auto;
}

.timeline-content h3 {
  color: var(--color-brown-dark);
  margin-bottom: 1rem;
}

.timeline-content p {
  color: var(--color-text-light);
  line-height: 1.6;
}

.contact-form-section {
  padding: 5rem 0;
  background-color: var(--color-paper-dark);
}

.form-container {
  max-width: 700px;
  margin: 0 auto;
}

.form-group {
  margin-bottom: 2rem;
}

.form-label {
  display: block;
  margin-bottom: 0.8rem;
  color: var(--color-brown-dark);
  font-weight: 500;
  font-size: 1.1rem;
}

.form-input {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--color-brown-light);
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background-color: var(--color-paper);
}

.form-input:focus {
  outline: none;
  border-color: var(--color-brown);
  box-shadow: 0 0 0 3px rgba(168, 154, 126, 0.2);
}

textarea.form-input {
  resize: vertical;
  min-height: 120px;
}

.time-options {
  display: flex;
  gap: 1.5rem;
  flex-wrap: wrap;
}

.time-option {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  cursor: pointer;
  padding: 0.8rem 1.2rem;
  border: 2px solid var(--color-brown-light);
  border-radius: 20px;
  transition: all 0.3s ease;
}

.time-option:hover {
  border-color: var(--color-brown);
  background-color: var(--color-paper);
}

.time-option input[type="radio"] {
  display: none;
}

.time-option input[type="radio"]:checked + .option-label {
  color: var(--color-brown-dark);
  font-weight: 600;
}

.option-label {
  color: var(--color-text-light);
  transition: all 0.3s ease;
}

.form-actions {
  margin-top: 2rem;
  text-align: center;
}

.submit-btn {
  padding: 1.2rem 3rem;
  font-size: 1.1rem;
}

.form-note {
  margin-top: 1rem;
  color: var(--color-text-light);
  font-size: 0.9rem;
  font-style: italic;
}

.faq-section {
  padding: 5rem 0;
}

.faq-container {
  max-width: 800px;
  margin: 3rem auto 0;
}

.faq-item {
  margin-bottom: 1.5rem;
}

.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1.5rem;
  cursor: pointer;
  transition: all 0.3s ease;
  border: 2px solid var(--color-brown-light);
}

.faq-question:hover {
  border-color: var(--color-brown);
  transform: translateY(-2px);
}

.faq-question h3 {
  color: var(--color-brown-dark);
  margin: 0;
  font-size: 1.2rem;
}

.faq-toggle {
  font-size: 1.5rem;
  color: var(--color-brown);
  font-weight: bold;
  transition: transform 0.3s ease;
}

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

.faq-answer {
  padding: 0 1.5rem;
  max-height: 0;
  overflow: hidden;
  transition: all 0.3s ease;
}

.faq-item.active .faq-answer {
  padding: 1.5rem;
  max-height: 200px;
}

.faq-answer p {
  color: var(--color-text-light);
  line-height: 1.7;
  margin: 0;
}

.social-section {
  padding: 5rem 0;
  background-color: var(--color-paper-dark);
  text-align: center;
}

.social-content {
  max-width: 900px;
  margin: 0 auto;
}

.social-title {
  font-size: 2.5rem;
  color: var(--color-brown-dark);
  margin-bottom: 3rem;
}

.social-links {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.social-link {
  text-decoration: none;
  padding: 2rem 1.5rem;
  text-align: center;
  transition: all 0.3s ease;
  border: 2px solid var(--color-brown-light);
}

.social-link:hover {
  transform: translateY(-5px) rotate(2deg);
  border-color: var(--color-brown);
  text-decoration: none;
}

.social-icon {
  font-size: 2.5rem;
  margin-bottom: 1rem;
  display: block;
}

.social-link span {
  display: block;
  color: var(--color-brown-dark);
  font-weight: 600;
  margin-bottom: 0.5rem;
}

.social-link small {
  color: var(--color-text-light);
  font-size: 0.9rem;
}

.social-note {
  color: var(--color-text-light);
  font-style: italic;
  margin-top: 2rem;
}

/* 响应式调整 */
@media (max-width: 768px) {
  .contact-title {
    font-size: 2.5rem;
  }
  
  .methods-grid {
    grid-template-columns: 1fr;
  }
  
  .timeline-container::before {
    left: 20px;
  }
  
  .timeline-item {
    flex-direction: row !important;
  }
  
  .timeline-item:nth-child(even) {
    flex-direction: row !important;
  }
  
  .timeline-marker {
    left: 20px;
  }
  
  .timeline-content {
    width: calc(100% - 70px);
    margin-left: 70px !important;
  }
  
  .time-options {
    flex-direction: column;
    gap: 1rem;
  }
  
  .social-links {
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  }
  
  .social-title {
    font-size: 2rem;
  }
}

@media (max-width: 480px) {
  .contact-hero {
    padding: 3rem 0;
  }
  
  .contact-title {
    font-size: 2rem;
  }
  
  .method-card {
    padding: 2rem 1.5rem;
  }
  
  .form-container {
    padding: 1.5rem;
  }
  
  .timeline-content {
    width: calc(100% - 60px);
    margin-left: 60px !important;
    padding: 1rem;
  }
}