/* 在线留言 / 在线反馈 — 两行字段 + 留言区，去掉邮箱/网站后保持紧凑比例 */
.contact-form-block.section {
  --cf-accent: var(--color-primary, #1aa6b0);
  --cf-border: #d5dce4;
  --cf-text: #222;
  --cf-muted: #666;
  padding: clamp(48px, 7vw, 88px) 0;
  margin: 0;
  background-color: #eef1f4;
  background-image:
    radial-gradient(ellipse 80% 50% at 50% -10%, rgba(255, 255, 255, 0.9), transparent 55%),
    linear-gradient(180deg, #f7f8fa 0%, #e9edf1 100%);
  background-size: cover;
  background-position: center;
}

.contact-form-block__inner {
  max-width: 720px;
  margin: 0 auto;
}

.contact-form-block__head {
  text-align: center;
  margin: 0 auto 1.75rem;
  max-width: 36em;
}

.contact-form-block__title {
  margin: 0 0 0.75rem;
  font-size: clamp(1.75rem, 3vw, 2.2rem);
  font-weight: 700;
  color: var(--cf-text);
  letter-spacing: 0.06em;
  line-height: 1.25;
}

.contact-form-block__intro {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--cf-muted);
}

.contact-form-block .form-error,
.contact-form-block__error {
  margin: 0 0 1.1rem;
  padding: 0.75rem 1rem;
  border-radius: 6px;
  background: #fef2f2;
  color: #b91c1c;
  text-align: center;
  font-size: 0.9rem;
}

.contact-form-block .contact-form {
  margin: 0 auto;
  max-width: 640px;
}

.contact-form-block .contact-form__grid {
  display: grid !important;
  grid-template-columns: 1fr 1fr;
  gap: 1.05rem 1.35rem;
  align-items: start;
}

.contact-form-block .contact-form__field {
  display: flex !important;
  flex-direction: column !important;
  align-items: stretch !important;
  gap: 0.35rem;
  margin: 0;
  min-width: 0;
}

.contact-form-block .contact-form__field--full {
  grid-column: 1 / -1;
  margin-top: 0.15rem;
}

.contact-form-block .contact-form__label {
  display: block !important;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--cf-text);
  line-height: 1.3;
  margin: 0;
}

.contact-form-block .contact-form__req {
  color: #e11d48;
  font-weight: 700;
  margin-right: 0.1em;
}

.contact-form-block .contact-form__control {
  display: block !important;
  width: 100% !important;
  max-width: none !important;
  box-sizing: border-box;
  margin: 0;
  padding: 0.72rem 0.85rem;
  border: 1px solid var(--cf-border);
  border-radius: 3px;
  background: #fff;
  font: inherit;
  font-size: 0.95rem;
  color: var(--cf-text);
  line-height: 1.4;
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.contact-form-block .contact-form__control:focus {
  outline: none;
  border-color: var(--cf-accent);
  box-shadow: 0 0 0 3px rgba(26, 166, 176, 0.18);
}

.contact-form-block textarea.contact-form__control {
  min-height: 132px;
  resize: vertical;
}

.contact-form-block .contact-form__actions {
  margin-top: 1.45rem;
  text-align: center;
}

.contact-form-block .contact-form__submit {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 148px;
  height: 44px;
  padding: 0 2.25rem;
  border: 0;
  border-radius: 3px;
  background: var(--cf-accent);
  color: #fff !important;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.08em;
  cursor: pointer;
  box-shadow: 0 6px 16px rgba(26, 166, 176, 0.28);
  transition: filter 0.15s ease, transform 0.15s ease;
}

.contact-form-block .contact-form__submit:hover {
  filter: brightness(1.05);
}

.contact-form-block .contact-form__submit:active {
  transform: translateY(1px);
}

.contact-form-block .contact-form__submit:disabled {
  opacity: 0.65;
  cursor: wait;
  box-shadow: none;
}

.contact-form-block .contact-form__consent {
  margin-top: 0.25rem;
}

.contact-form-block .contact-form__consent-label {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--cf-muted);
  cursor: pointer;
}

.contact-form-block .contact-form__consent-input {
  flex: 0 0 auto;
  width: 1rem;
  height: 1rem;
  margin-top: 0.2rem;
  accent-color: var(--cf-accent);
}

.contact-form-block .contact-form__consent-link {
  color: var(--cf-accent);
  text-decoration: underline;
  text-underline-offset: 2px;
}

.contact-form-block .contact-form__consent-link:hover {
  filter: brightness(0.92);
}

@media (max-width: 720px) {
  .contact-form-block .contact-form__grid {
    grid-template-columns: 1fr;
    gap: 0.95rem;
  }

  .contact-form-block.section {
    padding: 36px 0 48px;
  }

  .contact-form-block .contact-form {
    max-width: none;
  }
}

body.contact-form-success-open {
  overflow: hidden;
}

.contact-form-success {
  position: fixed;
  inset: 0;
  z-index: 1200;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 1.5rem;
}

.contact-form-success[hidden] {
  display: none !important;
}

.contact-form-success__backdrop {
  position: absolute;
  inset: 0;
  background: rgba(15, 23, 42, 0.45);
}

.contact-form-success__panel {
  position: relative;
  width: min(100%, 420px);
  padding: 2rem 1.75rem 1.5rem;
  border-radius: 12px;
  background: #fff;
  box-shadow: 0 24px 48px rgba(15, 23, 42, 0.18);
  text-align: center;
  outline: none;
}

.contact-form-success__close {
  position: absolute;
  top: 0.65rem;
  right: 0.75rem;
  border: 0;
  background: transparent;
  color: #64748b;
  font-size: 1.5rem;
  line-height: 1;
  cursor: pointer;
}

.contact-form-success__title {
  margin: 0 0 0.75rem;
  font-size: 1.35rem;
  font-weight: 700;
  color: var(--cf-text, #222);
}

.contact-form-success__msg {
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--cf-muted, #666);
}

.contact-form-success__ok {
  min-width: 7rem;
}