/* ========================================
   联系我们页样式
======================================== */

/* ---------- 联系内容区 ---------- */
.section-contact {
  background: var(--color-white);
  position: relative;
  overflow: hidden;
}

.section-contact::before {
  content: "";
  position: absolute;
  top: 80px;
  right: -100px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(0, 198, 255, 0.05), transparent 70%);
  border-radius: 50%;
  pointer-events: none;
}

.contact-grid {
  display: grid;
  grid-template-columns: 1fr 1.1fr;
  gap: 64px;
  align-items: start;
}

/* 左侧信息 */
.contact-info .eyebrow {
  display: inline-block;
  font-size: 14px;
  letter-spacing: 0.15em;
  color: var(--color-accent);
  font-weight: 600;
  margin-bottom: 14px;
}

.contact-info h2 {
  font-size: 34px;
  margin-bottom: 16px;
  line-height: 1.3;
}

.contact-intro {
  color: var(--color-text-light);
  font-size: 15px;
  line-height: 1.8;
  margin-bottom: 40px;
}

.info-list {
  margin-bottom: 40px;
}

.info-list li {
  display: flex;
  gap: 20px;
  margin-bottom: 28px;
  align-items: flex-start;
}

.info-icon {
  width: 52px;
  height: 52px;
  border-radius: var(--radius-md);
  background: linear-gradient(135deg, rgba(0, 102, 255, 0.1), rgba(0, 198, 255, 0.1));
  color: var(--color-accent);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all var(--transition);
}

.info-icon svg {
  width: 24px;
  height: 24px;
}

.info-list li:hover .info-icon {
  background: var(--gradient-primary);
  color: var(--color-white);
  transform: translateY(-2px);
}

.info-body {
  flex: 1;
  padding-top: 4px;
}

.info-label {
  display: block;
  font-size: 13px;
  color: var(--color-text-muted);
  margin-bottom: 4px;
}

.info-value {
  display: block;
  font-size: 16px;
  color: var(--color-primary);
  font-weight: 500;
  line-height: 1.6;
}

/* 社交关注 */
.contact-social h4 {
  font-size: 16px;
  color: var(--color-primary);
  margin-bottom: 16px;
}

.social-links {
  display: flex;
  gap: 12px;
}

.social-links a {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: var(--color-text-light);
  transition: all var(--transition);
}

.social-links a:hover {
  background: var(--gradient-primary);
  color: var(--color-white);
  border-color: transparent;
  transform: translateY(-3px);
  box-shadow: var(--shadow-accent);
}

/* ---------- 留言表单 ---------- */
.contact-form-wrap {
  position: relative;
}

.form-card {
  background: var(--color-white);
  border-radius: var(--radius-xl);
  padding: 40px;
  box-shadow: var(--shadow-lg);
  border: 1px solid var(--color-border);
  position: relative;
  overflow: hidden;
}

.form-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.form-card h3 {
  font-size: 24px;
  margin-bottom: 8px;
  color: var(--color-primary);
}

.form-subtitle {
  font-size: 14px;
  color: var(--color-text-light);
  margin-bottom: 32px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 20px;
}

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

.form-group label {
  display: block;
  font-size: 14px;
  color: var(--color-primary);
  font-weight: 500;
  margin-bottom: 8px;
}

.form-group .required {
  color: #EF4444;
  margin-left: 2px;
}

.form-group input,
.form-group textarea {
  width: 100%;
  padding: 12px 16px;
  font-size: 14px;
  color: var(--color-text);
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  transition: all var(--transition);
  font-family: inherit;
}

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

.form-group input:focus,
.form-group textarea:focus {
  background: var(--color-white);
  border-color: var(--color-accent);
  box-shadow: 0 0 0 3px rgba(0, 102, 255, 0.12);
}

.form-group input.is-invalid,
.form-group textarea.is-invalid {
  border-color: #EF4444;
  background: rgba(239, 68, 68, 0.03);
}

.form-group textarea {
  resize: vertical;
  min-height: 120px;
  line-height: 1.7;
}

.textarea-foot {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-top: 6px;
}

.char-count {
  font-size: 12px;
  color: var(--color-text-muted);
}

.form-error {
  display: block;
  font-size: 12px;
  color: #EF4444;
  margin-top: 4px;
  min-height: 16px;
  transition: all var(--transition);
}

.btn-block {
  width: 100%;
  margin-top: 8px;
}

.btn-block.is-loading {
  pointer-events: none;
  opacity: 0.8;
}

.btn-block.is-loading::after {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  border: 2px solid rgba(255, 255, 255, 0.3);
  border-top-color: var(--color-white);
  border-radius: 50%;
  animation: btn-spin 0.6s linear infinite;
  margin-left: 8px;
  vertical-align: middle;
}

@keyframes btn-spin {
  to { transform: rotate(360deg); }
}

/* ---------- 地图区域 ---------- */
.section-map {
  padding: 0;
  background: var(--color-bg);
}

.map-placeholder {
  position: relative;
  width: 100%;
  height: 400px;
  background: 
    linear-gradient(135deg, rgba(10, 46, 92, 0.05), rgba(0, 102, 255, 0.05)),
    var(--color-bg);
  background-image: 
    linear-gradient(rgba(10, 46, 92, 0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(10, 46, 92, 0.04) 1px, transparent 1px);
  background-size: 40px 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
}

.map-placeholder::before {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(0, 102, 255, 0.08), transparent 60%);
}

.map-overlay {
  text-align: center;
  color: var(--color-accent);
  position: relative;
  z-index: 2;
}

.map-overlay svg {
  animation: map-pulse 2s ease-in-out infinite;
}

.map-overlay p {
  margin-top: 12px;
  font-size: 16px;
  color: var(--color-primary);
  font-weight: 500;
}

@keyframes map-pulse {
  0%, 100% { transform: translateY(0); }
  50% { transform: translateY(-8px); }
}

/* ========================================
   响应式
======================================== */
@media (max-width: 992px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }

  .contact-info h2 { font-size: 28px; }

  .form-card {
    padding: 32px;
  }
}

@media (max-width: 768px) {
  .contact-info h2 { font-size: 24px; }
  .contact-intro { font-size: 14px; }

  .info-list li {
    gap: 14px;
    margin-bottom: 22px;
  }

  .info-icon {
    width: 44px;
    height: 44px;
  }

  .info-value { font-size: 15px; }

  .form-card {
    padding: 24px 20px;
  }

  .form-row {
    grid-template-columns: 1fr;
    gap: 0;
  }

  .map-placeholder {
    height: 280px;
  }
}