/* 联系页 CO-01 */

.contact-page .page-hero,
.contact-page .section,
.contact-page .final-cta {
  position: relative;
  z-index: 2;
}

.contact-layout {
  display: grid;
  grid-template-columns: 1.15fr 0.85fr;
  gap: var(--space-5);
  align-items: start;
}

.contact-panel {
  padding: var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(13, 22, 38, 0.65);
}

.contact-panel h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 8px;
  letter-spacing: -0.02em;
}

.contact-panel > .panel-lead {
  margin: 0 0 var(--space-3);
  color: var(--muted);
  font-size: 0.95rem;
}

.contact-form .form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 12px;
}

.contact-form label {
  display: flex;
  flex-direction: column;
  gap: 6px;
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  color: var(--muted);
}

.contact-form input,
.contact-form select,
.contact-form textarea {
  width: 100%;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: rgba(6, 10, 18, 0.65);
  color: var(--text);
  font-size: 16px;
  font-family: inherit;
  min-height: 44px;
}

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

.contact-form .form-actions {
  margin-top: 8px;
}

.contact-form .form-note {
  text-align: left;
}

.career-panel {
  max-width: 820px;
}

.contact-form .file-hint {
  margin-top: 4px;
  font-size: var(--text-xs);
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--muted);
}

.file-field {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  position: relative;
}

.file-field input[type="file"] {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
  opacity: 0;
}

.file-pick-btn {
  flex-shrink: 0;
  min-height: 44px;
}

.file-name {
  font-size: 0.9rem;
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
  color: var(--muted);
  word-break: break-all;
}

.channel-card .btn {
  margin-top: 12px;
}

.contact-channels {
  display: flex;
  flex-direction: column;
  gap: var(--space-3);
}

.channel-card {
  padding: var(--space-3);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(10, 18, 32, 0.55);
}

.channel-card h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 0 0 10px;
  letter-spacing: -0.02em;
}

.channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.channel-list li {
  margin-bottom: 10px;
  font-size: 0.92rem;
  color: var(--muted);
  line-height: 1.5;
}

.channel-list li:last-child {
  margin-bottom: 0;
}

.channel-list strong {
  display: block;
  color: var(--text);
  font-size: 0.8rem;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  margin-bottom: 2px;
  font-weight: 600;
}

.channel-list a {
  color: var(--accent);
}

.channel-card.support {
  border-color: rgba(45, 212, 191, 0.35);
  background:
    radial-gradient(ellipse 80% 60% at 0% 0%, rgba(45, 212, 191, 0.08), transparent 55%),
    rgba(10, 18, 32, 0.55);
}

.channel-card.support .tag {
  display: inline-block;
  font-size: var(--text-xs);
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--teal);
  border: 1px solid rgba(45, 212, 191, 0.35);
  padding: 3px 8px;
  border-radius: 4px;
  margin-bottom: 10px;
  font-weight: 600;
}

.social-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.social-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  color: var(--muted);
  font-size: var(--text-sm);
  font-weight: 500;
  transition: border-color var(--dur-fast), color var(--dur-fast), background var(--dur-fast);
  min-height: 44px;
}

.social-link:hover {
  color: var(--accent);
  border-color: rgba(94, 200, 255, 0.45);
  background: var(--accent-soft);
}

.social-link svg {
  width: 18px;
  height: 18px;
  flex-shrink: 0;
  fill: currentColor;
}

.faq-jump {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(13, 22, 38, 0.55);
}

.faq-jump h2 {
  font-family: var(--font-display);
  font-size: 1.35rem;
  margin: 0 0 8px;
}

.faq-jump p {
  margin: 0;
  color: var(--muted);
  max-width: 48ch;
}

@media (max-width: 980px) {
  .contact-layout {
    grid-template-columns: 1fr;
  }

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

  .faq-jump {
    flex-direction: column;
    align-items: flex-start;
  }

  .career-panel {
    max-width: none;
  }
}

@media (max-width: 560px) {
  .contact-panel h2 {
    font-size: 1.2rem;
  }

  .file-field {
    flex-direction: column;
    align-items: stretch;
  }

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

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

  .contact-form .btn,
  .career-panel .btn {
    width: 100%;
    justify-content: center;
  }

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