/* ============================================
   联系我们 - 页面样式
   ============================================ */

/* ---- 联系信息卡片 ---- */
.contact-cards {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 24px;
}

.contact-card {
  background: var(--bg-light);
  border-radius: var(--radius-lg);
  padding: 36px 24px;
  text-align: center;
  border: 1px solid var(--border);
  transition: var(--transition);
}

.contact-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
  border-color: var(--accent);
}

.contact-card-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--primary), var(--accent));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  margin: 0 auto 16px;
}

.contact-card h3 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.contact-card-main {
  font-size: 20px;
  font-weight: 800;
  color: var(--bg-dark);
  margin-bottom: 4px;
}

.contact-card-sub {
  font-size: 14px;
  color: var(--text-light);
}

/* ---- 地图 + 表单 ---- */
.contact-main {
  background: var(--bg-light);
}

.contact-main-grid {
  display: block;
}

.contact-form-section.full-width {
  max-width: 800px;
  margin: 0 auto;
}

.contact-form-section h2 {
  font-size: 24px;
  font-weight: 800;
  color: var(--bg-dark);
  margin-bottom: 16px;
}

.map-wrapper {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: #e8eef6;
  min-height: 400px;
}

.map-placeholder {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 16px;
  background: linear-gradient(135deg, #f0f4ff, #e8eef6);
}

.map-placeholder i {
  font-size: 48px;
  color: var(--primary);
  opacity: 0.5;
}

.map-placeholder p {
  font-size: 15px;
  color: var(--text-light);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 14px;
}

/* ---- 表单 ---- */
.form-desc {
  font-size: 14px;
  color: var(--text-muted);
  margin-bottom: 24px;
}

.form-group {
  margin-bottom: 20px;
}

.form-group label {
  display: block;
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 6px;
}

.required {
  color: #c62828;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  font-size: 14px;
  font-family: var(--font);
  color: var(--text);
  background: var(--bg);
  transition: var(--transition);
  outline: none;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(0,188,212,0.1);
}

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

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

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

.btn-block {
  width: 100%;
  justify-content: center;
}

/* ---- 表单消息提示 ---- */
.form-msg {
  padding: 12px 16px;
  border-radius: var(--radius);
  font-size: 14px;
  font-weight: 600;
  margin-bottom: 16px;
  display: flex;
  align-items: center;
  gap: 8px;
  animation: fadeIn 0.3s ease;
}

.form-msg-success {
  background: #e8f5e9;
  color: #2e7d32;
  border: 1px solid #a5d6a7;
}

.form-msg-error {
  background: #ffebee;
  color: #c62828;
  border: 1px solid #ef9a9a;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(-8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ---- Responsive ---- */
@media (max-width: 1024px) {
  .contact-cards {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .contact-main-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 768px) {
  .contact-cards {
    grid-template-columns: 1fr;
  }
  
  .form-row {
    grid-template-columns: 1fr;
  }
  
  .contact-card-main {
    font-size: 18px;
  }
}