.page-contact {
  --c-gap: clamp(1.4rem, 3.4vw, 2.6rem);
  --c-ink-line: rgba(167, 184, 196, 0.22);
  --c-ink-line-soft: rgba(167, 184, 196, 0.13);
  --c-paper-line: rgba(16, 24, 32, 0.16);
  --c-paper-text: #3a4550;
  background: var(--ink);
  color: var(--paper);
}

/* ---------- 顶部与页头 ---------- */
.page-contact .contact-top {
  padding-block: clamp(1.4rem, 3.6vw, 2.4rem) clamp(2.2rem, 5.5vw, 3.8rem);
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0 0 clamp(1.4rem, 3.6vw, 2.4rem);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--haze);
}

.page-contact .breadcrumb-item {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  color: var(--copper);
}

.page-contact .breadcrumb-link {
  color: var(--haze);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 1px;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-contact .breadcrumb-link:hover,
.page-contact .breadcrumb-link:focus-visible {
  color: var(--copper-light);
  border-bottom-color: var(--copper);
}

.page-contact .breadcrumb-current {
  color: var(--paper);
}

.page-contact .contact-head {
  display: grid;
  gap: var(--c-gap);
}

.page-contact .eyebrow {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--copper-light);
}

.page-contact .page-title {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 4.6vw, 3.3rem);
  line-height: 1.18;
  letter-spacing: -0.01em;
  color: var(--white);
  max-width: 20ch;
}

.page-contact .lede {
  margin: 0;
  max-width: 48ch;
  font-size: clamp(1rem, 1.4vw, 1.06rem);
  line-height: 1.82;
  color: var(--paper);
  opacity: 0.86;
}

.page-contact .contact-head-copy .btn-row {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: clamp(1.4rem, 3vw, 2rem);
}

.page-contact .contact-head-media {
  margin: 0;
}

.page-contact .contact-head-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 通用章节骨架 ---------- */
.page-contact .section {
  padding-block: clamp(2.4rem, 5.6vw, 4.2rem);
}

.page-contact .section-head {
  max-width: 62ch;
}

.page-contact .section-index {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.2em;
  color: var(--copper);
}

.page-contact .section-title {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.45rem, 3vw, 2.2rem);
  line-height: 1.28;
  letter-spacing: -0.005em;
  color: var(--white);
}

.page-contact .section-lead {
  margin: 0;
  font-size: clamp(0.95rem, 1.3vw, 1rem);
  line-height: 1.82;
  color: var(--haze);
}

/* ---------- 三个联系入口 ---------- */
.page-contact .contact-cards {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
  background: var(--c-ink-line);
  border: 1px solid var(--c-ink-line);
}

.page-contact .contact-card {
  display: flex;
  flex-direction: column;
  gap: 0.8rem;
  padding: clamp(1.3rem, 3vw, 1.9rem);
  background: var(--ink);
  position: relative;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 2.2rem;
  height: 2px;
  background: var(--copper);
}

.page-contact .contact-card--mail::before {
  background: var(--copper-light);
}

.page-contact .contact-card--phone::before {
  background: var(--cinnabar);
}

.page-contact .contact-kind {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--copper-light);
}

.page-contact .contact-value-xl {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 2vw, 1.4rem);
  line-height: 1.42;
  letter-spacing: -0.005em;
  color: var(--white);
  overflow-wrap: anywhere;
  word-break: break-word;
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule-copper);
}

.page-contact .contact-address {
  margin: 0;
  font-size: clamp(0.98rem, 1.5vw, 1.08rem);
  line-height: 1.7;
  color: var(--white);
  padding-bottom: 0.6rem;
  border-bottom: 1px solid var(--rule-copper);
}

.page-contact .contact-hint {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-contact .copy-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.7rem;
  margin-top: auto;
  padding-top: 0.3rem;
}

.page-contact .copy-btn {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  padding: 0.46rem 0.85rem;
  background: transparent;
  color: var(--copper-light);
  border: 1px solid var(--rule-copper);
  border-radius: 0;
  cursor: pointer;
  transition: background 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-contact .copy-btn:hover {
  background: rgba(184, 137, 74, 0.16);
  color: var(--white);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--celadon);
  outline-offset: 2px;
}

.page-contact .copy-status {
  min-height: 1.1em;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--celadon);
}

/* ---------- 回复时段带 ---------- */
.page-contact .reply-band {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.6rem, 3.6vw, 2.4rem);
  background: var(--c-ink-line-soft);
  border-block: 1px solid var(--c-ink-line);
}

.page-contact .reply-cell {
  padding: 1.1rem 1.2rem;
  background: var(--ink-2);
}

.page-contact .reply-label {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--copper-light);
}

.page-contact .reply-text {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--white);
  letter-spacing: 0.01em;
}

.page-contact .reply-note {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 来信模板 ---------- */
.page-contact .section--paper {
  background: var(--paper);
  color: var(--graphite);
}

.page-contact .template-layout {
  display: grid;
  gap: clamp(1.8rem, 4vw, 3rem);
}

.page-contact .section-index--paper {
  color: var(--cinnabar);
}

.page-contact .section-title--paper {
  color: var(--graphite);
  max-width: 22ch;
}

.page-contact .template-lead {
  margin: 0 0 clamp(1.3rem, 3vw, 1.9rem);
  max-width: 60ch;
  font-size: clamp(0.95rem, 1.3vw, 1rem);
  line-height: 1.85;
  color: var(--c-paper-text);
}

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

.page-contact .tpl-row {
  display: grid;
  grid-template-columns: 2.2rem 1fr;
  gap: 0.3rem 0.8rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--c-paper-line);
  align-items: baseline;
}

.page-contact .tpl-num {
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--cinnabar);
}

.page-contact .tpl-key {
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--graphite);
}

.page-contact .tpl-val {
  grid-column: 2;
  font-size: 0.9rem;
  line-height: 1.75;
  color: var(--c-paper-text);
}

.page-contact .copy-line--paper {
  margin-top: clamp(1.2rem, 3vw, 1.8rem);
}

.page-contact .copy-btn--paper {
  color: var(--cinnabar);
  border-color: rgba(178, 58, 46, 0.45);
}

.page-contact .copy-btn--paper:hover {
  background: rgba(178, 58, 46, 0.1);
  color: var(--graphite);
}

.page-contact .copy-status--paper {
  color: #3f6d5e;
}

.page-contact .template-note {
  margin: clamp(0.9rem, 2.4vw, 1.4rem) 0 0;
  max-width: 54ch;
  font-size: 0.85rem;
  line-height: 1.8;
  color: #55606b;
}

.page-contact .template-media {
  margin: 0;
  align-self: start;
}

.page-contact .template-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

/* ---------- 自助分流 ---------- */
.page-contact .route-list {
  margin-top: clamp(1.6rem, 4vw, 2.4rem);
  border-top: 1px solid var(--c-ink-line);
}

.page-contact .route-row {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: start;
  gap: 0.9rem;
  padding: clamp(1rem, 2.6vw, 1.5rem) 0.2rem;
  border-bottom: 1px solid var(--c-ink-line);
  text-decoration: none;
  color: var(--paper);
  transition: background 0.2s ease, padding-inline 0.2s ease;
}

.page-contact .route-row:hover {
  background: rgba(184, 137, 74, 0.08);
  padding-inline: 0.8rem;
}

.page-contact .route-row:focus-visible {
  outline: 2px solid var(--celadon);
  outline-offset: -2px;
  background: rgba(110, 154, 138, 0.1);
}

.page-contact .route-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--copper);
  padding-top: 0.2rem;
}

.page-contact .route-body {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.page-contact .route-title {
  font-family: var(--font-display);
  font-size: clamp(1rem, 1.8vw, 1.18rem);
  font-weight: 700;
  line-height: 1.42;
  color: var(--white);
}

.page-contact .route-desc {
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--haze);
  max-width: 60ch;
}

.page-contact .route-arrow {
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--copper-light);
  padding-top: 0.1rem;
  transition: transform 0.2s ease;
}

.page-contact .route-row:hover .route-arrow {
  transform: translateX(4px);
}

.page-contact .aside-note {
  margin: clamp(1.4rem, 3.4vw, 2rem) 0 0;
  max-width: 64ch;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--haze);
}

.page-contact .aside-note a {
  color: var(--copper-light);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .aside-note a:hover,
.page-contact .aside-note a:focus-visible {
  color: var(--white);
}

/* ---------- 登记信息 ---------- */
.page-contact .section--deep {
  background: var(--ink-2);
}

.page-contact .registry-layout {
  display: grid;
  gap: clamp(1.2rem, 3vw, 2.2rem);
}

.page-contact .registry-head .section-title {
  margin-bottom: 0;
}

.page-contact .registry {
  margin: 0;
  border-top: 1px solid var(--c-ink-line);
}

.page-contact .registry-row {
  display: grid;
  gap: 0.35rem;
  padding: 0.95rem 0;
  border-bottom: 1px solid var(--c-ink-line);
}

.page-contact .registry dt {
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.16em;
  color: var(--copper-light);
}

.page-contact .registry dd {
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.7;
  color: var(--paper);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .reply-band {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .tpl-row {
    grid-template-columns: 2.2rem 7.5rem 1fr;
  }
  .page-contact .tpl-val {
    grid-column: 3;
  }
}

@media (min-width: 860px) {
  .page-contact .contact-head {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    align-items: end;
  }
  .page-contact .contact-cards {
    grid-template-columns: 1.35fr 1fr 0.95fr;
  }
  .page-contact .reply-band {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .template-layout {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
  .page-contact .registry-layout {
    grid-template-columns: minmax(0, 0.62fr) minmax(0, 1.38fr);
    align-items: start;
  }
  .page-contact .registry-row {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 1.4rem;
    align-items: baseline;
  }
}

@media (min-width: 1100px) {
  .page-contact .template-layout {
    gap: 3.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-row,
  .page-contact .route-arrow,
  .page-contact .copy-btn,
  .page-contact .breadcrumb-link {
    transition: none;
  }
  .page-contact .route-row:hover .route-arrow {
    transform: none;
  }
}
<<<END>>>