/* Contact page: business information and project form. */

.contact-grid {
  display: grid;
  grid-template-columns: .8fr 1.2fr;
  gap: 100px;
  align-items: start;
}

.contact-card h3 {
  font-size: 28px;
  line-height: 1.5;
  max-width: 360px;
}

.contact-list {
  margin-top: 40px;
  display: grid;
  gap: 24px;
}

.contact-list div {
  display: grid;
  gap: 6px;
}

.contact-list strong {
  font-size: 16px;
  font-weight: 400;
}

.form-grid {
  display: grid;
  grid-template-columns: repeat(2,minmax(0,1fr));
  gap: 20px 24px;
}

.form-group {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}

.form-group label {
  font-size: 14px;
  font-weight: 400;
}

.contact-method-row {
  display: flex;
}

.form-group .contact-method-row select {
  flex-shrink: 0;
  width: auto;
  min-width: 130px;
  border-right: none;
  border-radius: var(--radius) 0 0 var(--radius);
}

.form-group .contact-method-row input {
  flex: 1;
  border-radius: 0 var(--radius) var(--radius) 0;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  min-height: 48px;
  background-color: var(--canvas);
  color: var(--ink);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 12px 14px;
  font-size: 16px;
}

.form-group textarea {
  min-height: 148px;
  resize: vertical;
}

.form-group input::placeholder,
.form-group textarea::placeholder {
  color: var(--muted);
  opacity: 1;
}

.form-group input[aria-invalid="true"],
.form-group select[aria-invalid="true"],
.form-group textarea[aria-invalid="true"] {
  border-color: var(--error);
}

.form-hint {
  font-size: 13px;
  color: var(--muted);
  margin: 0;
}

.error-text {
  font-size: 12px;
  color: var(--error);
}

.error-text:empty {
  display: none;
}

.checkbox {
  display: flex;
  gap: 10px;
  align-items: flex-start;
  color: var(--muted);
  line-height: 1.6;
}

.form-group .checkbox input {
  width: 18px;
  height: 18px;
  min-height: 0;
  margin: 2px 0 0;
  flex-shrink: 0;
  accent-color: var(--blue);
}

.checkbox a {
  color: var(--blue);
}

.form-group input[type="file"] {
  font-size: 12px;
  min-height: 48px;
  padding: 8px;
}

.file-status {
  font-size: 12px;
  color: var(--muted);
  overflow-wrap: anywhere;
}

.file-status.invalid {
  color: var(--error);
}

.success-panel {
  padding-block: 40px;
}

.success-panel h2 {
  font-size: 32px;
  margin-bottom: 24px;
}

.success-panel p {
  margin-bottom: 16px;
}

.success-panel .button {
  margin-top: 16px;
}

@media (max-width:1100px) {
  .contact-grid {
    gap: 56px;
  }
}

@media (max-width:833px) {
  .contact-grid {
    grid-template-columns: 1fr;
    gap: 48px;
  }
  .contact-card h3 {
    max-width: 100%;
  }
  .contact-list {
    grid-template-columns: repeat(2,minmax(0,1fr));
  }
}

@media (max-width:640px) {
  .contact-card h3 {
    font-size: 24px;
  }
  .contact-list {
    grid-template-columns: 1fr;
    gap: 20px;
    margin-top: 28px;
  }
  .form-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }
}

.demo-notice {
  padding: 16px;
  background: var(--soft);
  border-radius: var(--radius);
}

main .contact-grid {
  grid-template-columns: .72fr 1.28fr;
  gap: 40px;
}

main .contact-card {
  padding: 36px;
  border-radius: 18px;
  background: var(--main-soft);
}

main .contact-card h3 {
  font-size: 28px;
}

main #contact-form-wrap {
  padding: 36px;
  border: 1px solid #d2d2d7;
  border-radius: 18px;
}

main #contact-form-wrap::before {
  content: '提交项目需求';
  display: block;
  margin-bottom: 26px;
  font-size: 28px;
  font-weight: 600;
}

main .demo-notice {
  order: 10;
  margin-top: 4px;
}

@media (max-width: 720px) {
  main .contact-grid {
    grid-template-columns: 1fr;
  }
  main .contact-card,
  main #contact-form-wrap {
    padding: 24px;
  }
  main #contact-form-wrap::before {
    font-size: 24px;
  }
}

main .contact-content {
  padding-top: 30px;
}