/* ========================================
   联系我们页专属样式
   ======================================== */

/* Contact Hero */
.contact-hero {
  position: relative;
  padding: 140px 5% 80px;
  overflow: hidden;
  min-height: 420px;
  display: flex;
  align-items: center;
}

.contact-hero-bg {
  position: absolute;
  inset: 0;
}

.contact-hero-bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.contact-hero-content {
  position: relative;
  z-index: 1;
  max-width: 640px;
}

.contact-hero-content .section-desc {
  margin-top: 16px;
  margin-bottom: 32px;
}

.contact-hero-badges {
  display: flex;
  gap: 24px;
  flex-wrap: wrap;
}

.hero-badge-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.88rem;
  font-weight: 500;
  color: var(--text-secondary);
}

.hero-badge-item i {
  color: var(--accent);
  font-size: 0.9rem;
}

/* 联系主体 */
.contact-main {
  background: var(--dark2);
}

.contact-layout {
  display: grid;
  grid-template-columns: 1fr 1.5fr;
  gap: 64px;
  align-items: start;
}

/* 联系信息 */
.contact-info .section-title {
  margin-bottom: 16px;
}

.contact-methods {
  display: flex;
  flex-direction: column;
  gap: 24px;
  margin-bottom: 40px;
}

.contact-method {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}

.method-icon {
  width: 48px;
  height: 48px;
  background: rgba(0,132,255,0.1);
  border: 1px solid rgba(0,132,255,0.2);
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  color: var(--accent);
  flex-shrink: 0;
}

.contact-method h4 {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  margin-bottom: 4px;
}

.contact-method a {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
  transition: var(--transition);
}

.contact-method a:hover {
  color: var(--accent);
}

.method-value {
  display: block;
  font-size: 1rem;
  font-weight: 600;
  color: var(--text-primary);
  margin-bottom: 2px;
}

.contact-method span:last-child {
  font-size: 0.82rem;
  color: var(--text-muted);
}

/* 分公司 */
.branch-offices {
  padding-top: 32px;
  border-top: 1px solid var(--border);
}

.branch-title {
  font-size: 0.82rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  color: var(--text-muted);
  margin-bottom: 16px;
}

.branch-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.branch-item {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.branch-item i {
  color: var(--primary);
  font-size: 0.8rem;
  width: 14px;
}

/* 表单 */
.contact-form-wrap {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  overflow: hidden;
}

.form-header {
  padding: 32px 36px 24px;
  border-bottom: 1px solid var(--border);
  background: linear-gradient(135deg, rgba(0,132,255,0.06), rgba(123,47,255,0.04));
}

.form-header h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 6px;
}

.form-header p {
  font-size: 0.88rem;
  color: var(--text-secondary);
}

.contact-form {
  padding: 32px 36px;
  display: flex;
  flex-direction: column;
  gap: 20px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.form-group label {
  font-size: 0.85rem;
  font-weight: 600;
  color: var(--text-secondary);
}

.required {
  color: #f87171;
}

.form-group input,
.form-group textarea,
.form-group select {
  background: var(--dark2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 12px 16px;
  font-size: 0.9rem;
  color: var(--text-primary);
  font-family: var(--font-main);
  transition: var(--transition);
  outline: none;
  width: 100%;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--text-muted);
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(0,132,255,0.12);
}

.form-group textarea {
  resize: vertical;
  min-height: 100px;
}

/* 下拉选择 */
.industry-select {
  position: relative;
}

.industry-select select {
  appearance: none;
  -webkit-appearance: none;
  cursor: pointer;
  padding-right: 40px;
}

.industry-select i {
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-size: 0.8rem;
  color: var(--text-muted);
  pointer-events: none;
}

.industry-select select option {
  background: var(--dark2);
  color: var(--text-primary);
}

/* 复选框 */
.service-checkboxes {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.checkbox-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: var(--transition);
}

.checkbox-item:hover {
  border-color: rgba(0,132,255,0.3);
  background: rgba(0,132,255,0.05);
}

.checkbox-item input[type="checkbox"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  flex-shrink: 0;
  padding: 0;
  border: none;
  background: none;
  box-shadow: none;
}

.checkbox-item:has(input:checked) {
  border-color: var(--primary);
  background: rgba(0,132,255,0.08);
  color: var(--text-primary);
}

/* 单选按钮 */
.budget-options {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.radio-item {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  font-size: 0.88rem;
  color: var(--text-secondary);
  padding: 10px 16px;
  border: 1px solid var(--border);
  border-radius: 8px;
  transition: var(--transition);
}

.radio-item:hover {
  border-color: rgba(0,132,255,0.3);
  background: rgba(0,132,255,0.05);
}

.radio-item input[type="radio"] {
  width: 16px;
  height: 16px;
  accent-color: var(--primary);
  flex-shrink: 0;
  padding: 0;
  border: none;
  background: none;
  box-shadow: none;
}

.radio-item:has(input:checked) {
  border-color: var(--primary);
  background: rgba(0,132,255,0.08);
  color: var(--text-primary);
}

.form-submit {
  width: 100%;
  justify-content: center;
  padding: 16px;
  font-size: 1rem;
}

.form-privacy {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.8rem;
  color: var(--text-muted);
  text-align: center;
  justify-content: center;
}

.form-privacy i {
  color: var(--accent);
  font-size: 0.85rem;
}

/* FAQ */
.faq-section {
  background: var(--dark);
}

.faq-list {
  max-width: 800px;
  margin: 48px auto 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  transition: var(--transition);
}

.faq-item.open {
  border-color: rgba(0,132,255,0.35);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 20px 24px;
  text-align: left;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--text-primary);
  transition: var(--transition);
  gap: 16px;
}

.faq-question:hover {
  color: var(--accent);
}

.faq-question i {
  font-size: 0.85rem;
  color: var(--text-muted);
  flex-shrink: 0;
  transition: var(--transition);
}

.faq-item.open .faq-question i {
  transform: rotate(45deg);
  color: var(--accent);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-item.open .faq-answer {
  max-height: 200px;
}

.faq-answer p {
  padding: 0 24px 20px;
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.8;
}

/* 响应式 */
@media (max-width: 1024px) {
  .contact-layout {
    grid-template-columns: 1fr;
    gap: 48px;
  }
}

@media (max-width: 768px) {
  .form-row {
    grid-template-columns: 1fr;
  }
  .service-checkboxes {
    grid-template-columns: repeat(2, 1fr);
  }
  .contact-form {
    padding: 24px;
  }
  .form-header {
    padding: 24px;
  }
}

@media (max-width: 480px) {
  .service-checkboxes {
    grid-template-columns: 1fr;
  }
  .budget-options {
    flex-direction: column;
  }
}