.page-contact {
  --contact-h1: clamp(2rem, 4.6vw, 3.5rem);
  --contact-pad-y: clamp(48px, 6vw, 92px);
  --contact-line: rgba(215, 220, 221, 0.9);
  background: var(--bg);
  color: var(--c-ink);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ——— 首屏 ——— */
.page-contact .contact-hero {
  position: relative;
  background: var(--c-cream);
  border-bottom: var(--rule);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(90deg, transparent 0 94%, rgba(15, 106, 122, 0.05) 94% 100%),
    radial-gradient(120% 90% at 88% -10%, rgba(15, 106, 122, 0.12), transparent 62%);
}

.page-contact .contact-hero__inner {
  position: relative;
  padding-block: clamp(18px, 2.6vw, 30px) clamp(30px, 4.6vw, 56px);
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 48px);
  padding-top: clamp(22px, 3.6vw, 42px);
}

.page-contact .contact-hero__lede h1 {
  font-family: var(--font-display);
  font-size: var(--contact-h1);
  line-height: 1.14;
  letter-spacing: -0.01em;
  margin: 12px 0 0;
  color: var(--c-ink);
}

.page-contact .contact-hero__text {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  max-width: 48ch;
  font-size: clamp(1rem, 1.2vw, 1.0625rem);
  line-height: 1.78;
  color: var(--c-rock);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.8vw, 30px);
}

.page-contact .contact-hero__figure {
  margin: 0;
  position: relative;
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--c-deep);
  border: 1px solid var(--c-mist);
}

.page-contact .contact-hero__figure::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 72px;
  height: 3px;
  background: var(--c-orange);
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ——— 联系台：左档案卡 + 右表单 ——— */
.page-contact .contact-desk {
  padding-block: var(--contact-pad-y);
  background: var(--c-warm);
}

.page-contact .contact-desk__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-contact .contact-card {
  position: relative;
  background: var(--c-deep);
  color: var(--c-cream);
  padding: clamp(26px, 3.4vw, 42px);
  border-top: 4px solid var(--c-orange);
}

.page-contact .contact-card__label {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-orange);
}

.page-contact .contact-card__title {
  margin: 0 0 clamp(20px, 3vw, 30px);
  font-family: var(--font-display);
  font-size: clamp(1.55rem, 2.6vw, 2.1rem);
  line-height: 1.22;
  color: var(--c-cream);
}

.page-contact .contact-card__list {
  margin: 0;
  border-top: 1px solid rgba(245, 240, 229, 0.2);
}

.page-contact .contact-card__row {
  display: grid;
  gap: 6px;
  padding-block: 15px;
  border-bottom: 1px solid rgba(245, 240, 229, 0.2);
}

.page-contact .contact-card__row dt {
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: rgba(215, 220, 221, 0.82);
}

.page-contact .contact-card__row dd {
  margin: 0;
  font-size: 1.0625rem;
  line-height: 1.55;
  color: var(--c-cream);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--mono {
  font-family: var(--font-num);
  font-size: 0.9375rem;
  letter-spacing: -0.01em;
  user-select: all;
}

.page-contact .contact-card__value--num {
  font-family: var(--font-num);
  font-size: 1.125rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  user-select: all;
}

.page-contact .contact-card__hint {
  margin: 14px 0 0;
  font-size: 0.8125rem;
  line-height: 1.68;
  color: rgba(215, 220, 221, 0.72);
}

.page-contact .contact-card__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  margin-top: clamp(20px, 2.8vw, 28px);
  padding-top: 16px;
  border-top: 1px solid rgba(245, 240, 229, 0.2);
  font-size: 0.8125rem;
  color: rgba(215, 220, 221, 0.78);
}

.page-contact .contact-card__foot strong {
  font-family: var(--font-num);
  font-weight: 500;
  color: var(--c-cream);
}

/* 表单面板 */
.page-contact .feedback-panel {
  background: var(--c-cream);
  border: var(--rule);
  padding: clamp(22px, 3.2vw, 40px);
}

.page-contact .feedback-panel__label {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--c-plateau);
}

.page-contact .feedback-panel__head h2 {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.05rem);
  line-height: 1.24;
  color: var(--c-ink);
}

.page-contact .feedback-panel__intro {
  margin: 0 0 clamp(22px, 3vw, 32px);
  padding-bottom: clamp(16px, 2.4vw, 22px);
  border-bottom: 1px solid var(--c-mist);
  font-size: 0.9688rem;
  line-height: 1.74;
  color: var(--c-rock);
  max-width: 52ch;
}

.page-contact .feedback-form__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(0px, 1.6vw, 18px);
}

.page-contact .field {
  margin: 0 0 18px;
}

.page-contact .field__label {
  display: block;
  margin-bottom: 8px;
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--c-deep);
}

.page-contact .field__input {
  box-sizing: border-box;
  width: 100%;
  padding: 12px 14px;
  font-family: var(--font-body);
  font-size: 1rem;
  line-height: 1.55;
  color: var(--c-ink);
  background: var(--c-warm);
  border: 1px solid var(--c-mist);
  border-radius: 0;
  transition: border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .field__input::placeholder {
  color: rgba(98, 106, 112, 0.7);
}

.page-contact .field__input:hover {
  border-color: var(--c-rock);
}

.page-contact .field__input:focus {
  background: #ffffff;
  border-color: var(--c-plateau);
}

.page-contact .field__input:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-contact .field__input:user-invalid {
  border-color: var(--c-clay);
}

.page-contact .field__input--area {
  min-height: 132px;
  resize: vertical;
}

.page-contact .feedback-form__set {
  margin: 0 0 18px;
  padding: 0;
  border: 0;
}

.page-contact .feedback-form__set .field__label {
  padding: 0;
}

.page-contact .chip-group {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .chip-group__label {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  font-size: 0.875rem;
  line-height: 1.4;
  color: var(--c-rock);
  background: var(--c-warm);
  border: 1px solid var(--c-mist);
  cursor: pointer;
  user-select: none;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .chip-group__label:hover {
  border-color: var(--c-rock);
  color: var(--c-ink);
}

.page-contact .chip-group__input:checked + .chip-group__label {
  background: var(--c-plateau);
  border-color: var(--c-plateau);
  color: var(--c-cream);
}

.page-contact .chip-group__input:focus-visible + .chip-group__label {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

.page-contact .feedback-form__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin-top: 6px;
}

.page-contact .feedback-form__note {
  margin: 0;
  max-width: 44ch;
  font-size: 0.8125rem;
  line-height: 1.68;
  color: var(--c-rock);
}

.page-contact .feedback-form__ready {
  display: none;
  margin: 18px 0 0;
  padding: 10px 14px;
  font-size: 0.875rem;
  line-height: 1.62;
  color: var(--c-moss);
  background: rgba(82, 100, 71, 0.1);
  border-left: 3px solid var(--c-moss);
}

.page-contact .feedback-form:valid .feedback-form__ready {
  display: block;
}

/* ——— 分类与准备材料 ——— */
.page-contact .contact-guide {
  padding-block: var(--contact-pad-y);
  background: var(--c-cream);
  border-top: var(--rule);
  border-bottom: var(--rule);
}

.page-contact .contact-guide__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 54px);
  align-items: start;
}

.page-contact .contact-guide__intro h2 {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.9vw, 2.4rem);
  line-height: 1.2;
  color: var(--c-ink);
}

.page-contact .contact-guide__intro p {
  margin: 0 0 22px;
  max-width: 46ch;
  font-size: 0.9688rem;
  line-height: 1.76;
  color: var(--c-rock);
}

.page-contact .contact-guide__figure {
  margin: 0;
  border: var(--rule);
  background: var(--c-warm);
}

.page-contact .contact-guide__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .contact-guide__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--c-mist);
}

.page-contact .contact-guide__item {
  padding-block: clamp(18px, 2.4vw, 26px);
  border-bottom: 1px solid var(--c-mist);
}

.page-contact .contact-guide__title {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(1.0625rem, 1.5vw, 1.25rem);
  line-height: 1.4;
  color: var(--c-ink);
}

.page-contact .contact-guide__no {
  flex: none;
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--c-orange);
}

.page-contact .contact-guide__desc {
  margin: 0 0 10px;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--c-rock);
}

.page-contact .contact-guide__bring {
  display: inline-block;
  margin: 0;
  padding: 6px 12px;
  font-size: 0.8125rem;
  line-height: 1.6;
  color: var(--c-deep);
  background: rgba(15, 106, 122, 0.08);
  border-left: 2px solid var(--c-plateau);
}

/* ——— 合作与媒体 ——— */
.page-contact .contact-partner {
  padding-block: var(--contact-pad-y);
  background: var(--c-warm);
}

.page-contact .contact-partner__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3.6vw, 52px);
  align-items: start;
}

.page-contact .contact-partner__head h2 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 2.9vw, 2.4rem);
  line-height: 1.2;
  color: var(--c-ink);
}

.page-contact .contact-partner__body p {
  margin: 0 0 20px;
  max-width: 58ch;
  font-size: 0.9688rem;
  line-height: 1.76;
  color: var(--c-rock);
}

.page-contact .contact-partner__list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--c-mist);
  border: var(--rule);
}

.page-contact .contact-partner__item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: var(--c-cream);
  transition: background-color var(--dur) var(--ease);
}

.page-contact .contact-partner__item:hover {
  background: #ffffff;
}

.page-contact .contact-partner__item strong {
  font-size: 0.9375rem;
  font-weight: 600;
  color: var(--c-deep);
}

.page-contact .contact-partner__item span {
  font-size: 0.875rem;
  line-height: 1.64;
  color: var(--c-rock);
}

.page-contact .contact-partner__note {
  margin: 0;
  max-width: 58ch;
  font-size: 0.9375rem;
  line-height: 1.76;
  color: var(--c-rock);
}

.page-contact .contact-partner__note a {
  color: var(--c-plateau);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-contact .contact-partner__note a:hover {
  color: var(--c-orange);
}

.page-contact .contact-partner__note a:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

/* ——— 地址、备案与响应说明 ——— */
.page-contact .contact-meta {
  padding-block: clamp(44px, 5.6vw, 78px);
  background: var(--c-deep);
  color: rgba(245, 240, 229, 0.9);
}

.page-contact .contact-meta__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 3.6vw, 46px);
  align-items: start;
}

.page-contact .contact-meta__panel {
  position: relative;
  padding-top: clamp(18px, 2.4vw, 24px);
  border-top: 1px solid rgba(215, 220, 221, 0.26);
}

.page-contact .contact-meta__panel::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--c-orange);
}

.page-contact .contact-meta__panel h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 2vw, 1.6rem);
  line-height: 1.32;
  color: var(--c-cream);
}

.page-contact .contact-meta__list {
  margin: 0 0 16px;
  display: grid;
  gap: 12px;
}

.page-contact .contact-meta__row {
  display: grid;
  gap: 4px;
}

.page-contact .contact-meta__row dt {
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: rgba(215, 220, 221, 0.72);
}

.page-contact .contact-meta__row dd {
  margin: 0;
  font-size: 1rem;
  line-height: 1.62;
  color: var(--c-cream);
  overflow-wrap: anywhere;
}

.page-contact .contact-meta__bullets {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
  font-size: 0.9375rem;
  line-height: 1.68;
  color: rgba(245, 240, 229, 0.82);
}

.page-contact .contact-meta__bullets li {
  position: relative;
  padding-left: 18px;
}

.page-contact .contact-meta__bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 1px;
  background: var(--c-orange);
}

.page-contact .contact-meta p {
  margin: 0;
  max-width: 54ch;
  font-size: 0.9375rem;
  line-height: 1.74;
  color: rgba(245, 240, 229, 0.76);
}

.page-contact .contact-meta a {
  color: var(--c-cream);
  text-decoration: underline;
  text-decoration-color: var(--c-orange);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-contact .contact-meta a:hover {
  color: var(--c-orange);
}

.page-contact .contact-meta a:focus-visible {
  outline: 2px solid var(--c-orange);
  outline-offset: 2px;
}

/* ——— 响应式 ——— */
@media (min-width: 560px) {
  .page-contact .contact-meta__row {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 4px 16px;
    align-items: baseline;
  }
}

@media (min-width: 640px) {
  .page-contact .feedback-form__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .contact-partner__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: center;
  }

  .page-contact .contact-partner__grid {
    grid-template-columns: minmax(0, 4fr) minmax(0, 7fr);
  }

  .page-contact .contact-meta__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: clamp(30px, 4vw, 56px);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .contact-guide__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .contact-card {
    position: sticky;
    top: calc(var(--header-h) + 16px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .field__input,
  .page-contact .chip-group__label,
  .page-contact .contact-partner__item,
  .page-contact .contact-partner__note a,
  .page-contact .contact-meta a {
    transition: none;
  }
}