.page-contact {
  --contact-pad: clamp(16px, 2.4vw, 28px);
}

.page-contact .section {
  padding-block: clamp(26px, 4vw, 54px);
}

.page-contact .section + .section {
  border-top: 1px solid var(--line);
}

.page-contact .breadcrumbs {
  padding-top: clamp(14px, 2vw, 22px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(20px, 3vw, 34px);
  align-items: start;
}

.page-contact .contact-hero__lead {
  min-width: 0;
}

.page-contact h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 6.2vw, 58px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-hero__hl {
  color: var(--lime-500);
  box-shadow: inset 0 -.14em 0 0 rgba(200, 255, 61, .22);
}

.page-contact .contact-hero__intro {
  max-width: 36em;
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--fog);
}

.page-contact .contact-card {
  margin-top: clamp(20px, 3vw, 30px);
  padding: var(--contact-pad);
  background: var(--ink-700);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--lime-500);
}

.page-contact .contact-card__email {
  display: inline-block;
  margin-top: 10px;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 3.8vw, 30px);
  line-height: 1.22;
  letter-spacing: -.01em;
  color: var(--paper);
  text-decoration: none;
  border-bottom: 3px solid var(--lime-500);
  overflow-wrap: anywhere;
  transition: background-color .18s var(--ease), color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .contact-card__email:hover,
.page-contact .contact-card__email:focus-visible {
  background: var(--lime-500);
  color: var(--ink-950);
  border-bottom-color: var(--lime-200);
}

.page-contact .contact-card__hint {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.66;
  color: var(--fog);
}

.page-contact .contact-card__row {
  display: grid;
  gap: 14px;
  margin-top: clamp(16px, 2.4vw, 22px);
  padding-top: clamp(14px, 2vw, 20px);
  border-top: 1px dashed var(--line);
}

.page-contact .contact-card__cell {
  min-width: 0;
}

.page-contact .contact-card__phone {
  display: inline-block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.8vw, 23px);
  color: var(--paper);
  text-decoration: none;
  border-bottom: 2px solid var(--orange-500);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .contact-card__phone:hover,
.page-contact .contact-card__phone:focus-visible {
  color: var(--orange-300);
  border-bottom-color: var(--orange-300);
}

.page-contact .contact-card__time {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--orange-300);
}

.page-contact .contact-figure {
  margin: 0;
}

.page-contact .contact-figure .figure__frame {
  aspect-ratio: 3 / 2;
  overflow: hidden;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  background: var(--ink-800);
}

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

.page-contact .contact-quick {
  margin: 18px 0 0;
  padding: 0 0 0 16px;
  list-style: none;
  border-left: 2px solid var(--lime-500);
  display: grid;
  gap: 12px;
}

.page-contact .contact-quick__item {
  font-size: 14px;
  line-height: 1.72;
  color: var(--fog);
}

.page-contact .contact-quick__item a {
  color: var(--paper);
}

/* ---------- 邮件写法 ---------- */
.page-contact .contact-guide__grid {
  display: grid;
  gap: clamp(12px, 1.6vw, 20px);
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-contact .guide-card {
  padding: var(--contact-pad);
  background: var(--ink-800);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}

.page-contact .guide-card:hover,
.page-contact .guide-card:focus-within {
  border-color: var(--lime-500);
  box-shadow: var(--shadow-soft);
  transform: translate(-2px, -2px);
}

.page-contact .guide-card__num {
  margin: 0;
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--orange-500);
}

.page-contact .guide-card__title {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .guide-card__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--fog);
}

.page-contact .guide-subject {
  margin: 0;
  padding: 10px 12px;
  background: var(--ink-950);
  border-left: 3px solid var(--orange-500);
  font-size: 12px;
  line-height: 1.66;
  color: var(--orange-300);
  overflow-wrap: anywhere;
}

/* ---------- 问题分类 ---------- */
.page-contact .archive-layout {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  margin-top: clamp(18px, 2.6vw, 28px);
  align-items: start;
}

.page-contact .archive-side {
  min-width: 0;
}

.page-contact .archive-side__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.72;
  color: var(--fog);
}

.page-contact .archive-cards {
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-contact .archive-card {
  background: var(--ink-800);
  border: 2px solid var(--line);
  border-radius: var(--radius);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease), transform .2s var(--ease);
}

.page-contact .archive-card:hover,
.page-contact .archive-card[open] {
  border-color: var(--lime-500);
  box-shadow: var(--shadow-soft);
  transform: translate(-2px, -2px);
}

.page-contact .archive-card__head {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 14px;
  cursor: pointer;
  list-style: none;
}

.page-contact .archive-card__head::-webkit-details-marker {
  display: none;
}

.page-contact .archive-card__head:focus-visible {
  outline: 2px solid var(--lime-500);
  outline-offset: 2px;
}

.page-contact .archive-card__tag {
  flex: none;
  padding: 2px 7px;
  background: var(--ink-950);
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--orange-300);
}

.page-contact .archive-card__title {
  min-width: 0;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .archive-card__chev {
  position: relative;
  flex: none;
  width: 16px;
  height: 16px;
  margin-left: auto;
  border: 2px solid var(--lime-500);
}

.page-contact .archive-card__chev::before,
.page-contact .archive-card__chev::after {
  content: "";
  position: absolute;
  left: 2px;
  right: 2px;
  top: 50%;
  height: 2px;
  background: var(--lime-500);
  transform: translateY(-50%);
}

.page-contact .archive-card__chev::after {
  transform: translateY(-50%) rotate(90deg);
  transition: opacity .18s var(--ease);
}

.page-contact .archive-card[open] .archive-card__chev::after {
  opacity: 0;
}

.page-contact .archive-card__body {
  padding: 0 14px 16px;
  border-top: 1px dashed var(--line);
  margin-top: 2px;
  padding-top: 14px;
}

.page-contact .archive-card__label {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--fog);
}

.page-contact .archive-card__subject {
  margin: 0;
  padding: 10px 12px;
  background: var(--ink-950);
  border-left: 3px solid var(--orange-500);
  font-size: 12px;
  line-height: 1.66;
  color: var(--orange-300);
  overflow-wrap: anywhere;
}

.page-contact .archive-card__hint {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.74;
  color: var(--fog);
}

/* ---------- 加急 ---------- */
.page-contact .contact-urgent {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
  padding: clamp(20px, 3vw, 34px);
  background: var(--ink-800);
  border: 2px solid var(--orange-500);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-urgent__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.8vw, 28px);
  font-weight: 800;
  line-height: 1.28;
  color: var(--paper);
}

.page-contact .contact-urgent__text {
  max-width: 46em;
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

.page-contact .contact-urgent__cta {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 10px;
}

.page-contact .contact-urgent .btn--ghost {
  border-color: var(--orange-500);
  color: var(--orange-300);
}

.page-contact .contact-urgent .btn--ghost:hover,
.page-contact .contact-urgent .btn--ghost:focus-visible {
  background: var(--orange-500);
  color: var(--ink-950);
}

.page-contact .contact-urgent__meta {
  margin: 0;
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--fog);
}

/* ---------- 合作 ---------- */
.page-contact .contact-coop__grid {
  display: grid;
  gap: clamp(12px, 1.6vw, 20px);
  margin-top: clamp(18px, 2.6vw, 28px);
}

.page-contact .coop-card {
  padding: var(--contact-pad);
  background: var(--ink-800);
  border: 2px solid var(--line);
  border-top: 4px solid var(--lime-500);
  border-radius: var(--radius);
  transition: border-color .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .coop-card:hover {
  box-shadow: var(--shadow-soft);
}

.page-contact .coop-card__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .coop-card__text {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.74;
  color: var(--fog);
}

.page-contact .coop-card__subject {
  margin: 0;
  padding: 10px 12px;
  background: var(--ink-950);
  border-left: 3px solid var(--lime-500);
  font-size: 12px;
  line-height: 1.66;
  color: var(--lime-200);
  overflow-wrap: anywhere;
}

.page-contact .contact-coop__note {
  max-width: 62em;
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fog);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-info__panel {
  padding: clamp(18px, 3vw, 32px);
  background: var(--ink-800);
  border: 2px solid var(--line);
  border-radius: var(--radius);
}

.page-contact .contact-info__title {
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .contact-info__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .info-block {
  min-width: 0;
  padding: 14px 16px;
  background: var(--ink-800);
}

.page-contact .info-block__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--fog);
}

.page-contact .info-block__value {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.66;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .info-block__value a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .info-block__value a:hover,
.page-contact .info-block__value a:focus-visible {
  color: var(--lime-500);
  border-bottom-color: var(--lime-500);
}

.page-contact .contact-info__legal {
  margin: clamp(14px, 2vw, 20px) 0 0;
  font-size: 13px;
  line-height: 1.82;
  color: var(--fog);
}

.page-contact .contact-info__legal a {
  color: var(--lime-200);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-info__legal a:hover,
.page-contact .contact-info__legal a:focus-visible {
  color: var(--lime-500);
  border-bottom-color: var(--lime-500);
}

/* ---------- 响应式 ---------- */
@media (min-width: 520px) {
  .page-contact .contact-card__row {
    grid-template-columns: 1fr 1fr;
    gap: 18px;
  }
}

@media (min-width: 700px) {
  .page-contact .contact-info__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .contact-guide__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .contact-urgent {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .contact-urgent__cta {
    align-items: flex-end;
    text-align: right;
  }
}

@media (min-width: 900px) {
  .page-contact .archive-layout {
    grid-template-columns: minmax(0, .62fr) minmax(0, 1fr);
  }

  .page-contact .archive-side {
    position: sticky;
    top: 24px;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(28px, 4vw, 56px);
  }
}

@media (min-width: 1000px) {
  .page-contact .contact-info__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card__email,
  .page-contact .guide-card,
  .page-contact .archive-card,
  .page-contact .archive-card__chev::after,
  .page-contact .coop-card {
    transition: none;
  }

  .page-contact .guide-card:hover,
  .page-contact .archive-card:hover,
  .page-contact .archive-card[open] {
    transform: none;
  }
}
<<<END>>>