.lead-section {
  padding: 5rem 2rem 4rem;
  max-width: 1100px;
  margin: 0 auto;
}
.lead-section .sec-lbl { margin-bottom: 0.5rem; }
.lead-section h2 { margin-bottom: 0.75rem; }
.lead-section .lead-sub {
  color: var(--text-muted);
  font-size: 1.05rem;
  max-width: 560px;
  line-height: 1.7;
  margin-bottom: 2rem;
}
.lead-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 2.5rem;
  box-shadow: 0 4px 24px rgba(0, 0, 0, 0.08);
}
html[lang="en"] .lead-card,
html:not([lang="zh-CN"]) .lead-card {
  background: rgba(255, 255, 255, 0.04);
}
.lead-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1.25rem 1.5rem;
}
.lead-field { display: flex; flex-direction: column; gap: 0.4rem; }
.lead-field.full { grid-column: 1 / -1; }
.lead-field label {
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.lead-field label .req { color: var(--indigo-light, var(--indigo)); }
.lead-field input,
.lead-field textarea {
  font-family: inherit;
  font-size: 0.95rem;
  padding: 0.7rem 0.9rem;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text);
  transition: border-color 0.2s, box-shadow 0.2s;
}
html[lang="en"] .lead-field input,
html[lang="en"] .lead-field textarea,
html:not([lang="zh-CN"]) .lead-field input,
html:not([lang="zh-CN"]) .lead-field textarea {
  background: rgba(255, 255, 255, 0.06);
  color: var(--text);
}
.lead-field input:focus,
.lead-field textarea:focus {
  outline: none;
  border-color: var(--indigo-light, var(--indigo));
  box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.15);
}
.lead-field textarea { min-height: 120px; resize: vertical; }
.lead-contacts-hint {
  grid-column: 1 / -1;
  font-size: 0.8rem;
  color: var(--text-dim);
  margin-top: -0.25rem;
}
.lead-hp { position: absolute; left: -9999px; opacity: 0; height: 0; overflow: hidden; }
.lead-actions {
  grid-column: 1 / -1;
  display: flex;
  align-items: center;
  gap: 1.25rem;
  flex-wrap: wrap;
  margin-top: 0.5rem;
}
.lead-submit {
  font-family: inherit;
  font-size: 1rem;
  font-weight: 600;
  padding: 0.85rem 2rem;
  border-radius: 10px;
  border: none;
  background: var(--indigo);
  color: #fff;
  cursor: pointer;
  transition: all 0.2s;
}
.lead-submit:hover:not(:disabled) {
  background: var(--indigo-light, #4f46e5);
  transform: translateY(-1px);
  box-shadow: 0 6px 24px rgba(99, 102, 241, 0.35);
}
.lead-submit:disabled { opacity: 0.6; cursor: not-allowed; }
.lead-status {
  font-size: 0.875rem;
  color: var(--text-muted);
  min-height: 1.25rem;
}
.lead-status.ok { color: var(--green, #059669); }
.lead-status.err { color: #ef4444; }
@media (max-width: 720px) {
  .lead-grid { grid-template-columns: 1fr; }
  .lead-card { padding: 1.5rem; }
}