.page-contact .section {
  padding-block: clamp(48px, 6.5vw, 92px);
}

.page-contact a:focus-visible,
.page-contact .router-card:focus-visible {
  outline: 2px solid var(--gold-lit);
  outline-offset: 3px;
}

/* 面包屑 */
.page-contact .contact-hero .breadcrumbs {
  margin: 0 0 26px;
}
.page-contact .contact-hero .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-contact .contact-hero .breadcrumbs li {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--steel);
}
.page-contact .contact-hero .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .contact-hero .breadcrumbs a:hover {
  color: var(--gold-lit);
}

/* 首屏 */
.page-contact .contact-hero {
  padding-block: clamp(18px, 2.6vw, 32px) clamp(46px, 6vw, 82px);
  background:
    radial-gradient(120% 92% at 10% 0%, rgba(18, 56, 46, 0.92), transparent 62%),
    var(--ink);
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}
.page-contact .hero-lead {
  display: flex;
  flex-direction: column;
  gap: clamp(16px, 2.2vw, 24px);
}
.page-contact .hero-lead .eyebrow,
.page-contact .hero-lead .lede {
  margin: 0;
}

.page-contact .mail-display {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 4px;
  padding-top: clamp(16px, 2vw, 22px);
  border-top: 1px solid var(--line);
}
.page-contact .mail-tag {
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.page-contact .mail-display a {
  display: inline-block;
  max-width: 100%;
  font-family: var(--serif);
  font-size: clamp(19px, 4.2vw, 40px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 2px solid transparent;
  transition: color 0.22s var(--ease), border-color 0.22s var(--ease);
}
.page-contact .mail-display a:hover {
  color: var(--gold-lit);
  border-bottom-color: var(--gold);
}
.page-contact .mail-local,
.page-contact .mail-domain {
  font-family: var(--mono);
  letter-spacing: -0.02em;
}
.page-contact .mail-at {
  font-family: var(--serif);
  color: var(--gold);
  padding: 0 0.06em;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .hero-aside {
  min-width: 0;
}
.page-contact .contact-hero-fig {
  width: 100%;
  overflow: hidden;
}
.page-contact .contact-hero-fig img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* 联系信息条 */
.page-contact .section-head {
  display: flex;
  flex-direction: column;
  gap: 14px;
  max-width: 720px;
  margin-bottom: clamp(24px, 3.4vw, 40px);
}
.page-contact .section-head .eyebrow,
.page-contact .section-head .section-title {
  margin: 0;
}

.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.page-contact .channel-item {
  display: flex;
  flex-direction: column;
  gap: 7px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
  min-width: 0;
}
.page-contact .channel-idx {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--gold);
}
.page-contact .channel-label {
  margin: 0;
  font-family: var(--sans);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--steel);
}
.page-contact .channel-value {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.5;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .channel-value--mono {
  font-family: var(--mono);
  font-size: clamp(15px, 1.8vw, 18px);
  letter-spacing: 0.02em;
  color: var(--gold-lit);
}
.page-contact .channel-value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}
.page-contact .channel-value a:hover {
  color: var(--gold-lit);
  border-bottom-color: var(--gold-lit);
}
.page-contact .channel-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--steel);
}

/* 写信准备 + 回复节奏 */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}
.page-contact .prep-main {
  display: flex;
  flex-direction: column;
  gap: 16px;
  min-width: 0;
}
.page-contact .prep-main .eyebrow,
.page-contact .prep-main .section-title,
.page-contact .prep-main .prose {
  margin: 0;
}
.page-contact .prep-list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}
.page-contact .prep-item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--line-soft);
}
.page-contact .prep-item:last-child {
  border-bottom: 1px solid var(--line-soft);
}
.page-contact .prep-idx {
  padding-top: 4px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--seal-warm);
}
.page-contact .prep-title {
  margin: 0 0 6px;
  font-family: var(--serif);
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
}
.page-contact .prep-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .resp-panel {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}
.page-contact .resp-panel .panel-label {
  margin: 0;
}
.page-contact .resp-panel h3 {
  margin: 0;
  font-family: var(--serif);
  font-size: 20px;
  color: var(--paper);
}
.page-contact .resp-panel p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}
.page-contact .resp-stat {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}
.page-contact .resp-stat .stat-num {
  font-family: var(--serif);
  font-size: clamp(42px, 6vw, 58px);
  line-height: 1;
  color: var(--gold-lit);
}
.page-contact .resp-stat .stat-label {
  font-size: 12.5px;
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--steel);
}

/* 邮件模板 */
.page-contact .template-section {
  background: var(--ink-2);
  border-block: 1px solid var(--line-soft);
}
.page-contact .template-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  align-items: start;
}
.page-contact .template-main {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-width: 0;
}
.page-contact .template-main .eyebrow,
.page-contact .template-main .section-title,
.page-contact .template-main .prose {
  margin: 0;
}
.page-contact .template-code {
  margin: 0;
  padding: clamp(18px, 2.6vw, 26px);
  background: rgba(7, 26, 22, 0.72);
  border: 1px solid var(--line);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius);
  font-family: var(--mono);
  font-size: 13px;
  line-height: 1.95;
  color: var(--mist);
  white-space: pre-wrap;
  word-break: break-word;
  overflow-x: auto;
}
.page-contact .template-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
.page-contact .template-fig {
  width: 100%;
  overflow: hidden;
}
.page-contact .template-fig img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* 地址与备案 */
.page-contact .addr-section .section-title {
  margin: 0 0 clamp(20px, 3vw, 30px);
}
.page-contact .addr-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-contact .addr-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(22px, 3vw, 32px);
  background: rgba(12, 39, 32, 0.62);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius);
  min-width: 0;
}
.page-contact .addr-card .panel-label {
  margin: 0;
}
.page-contact .addr-value {
  margin: 0;
  font-family: var(--serif);
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: anywhere;
}
.page-contact .addr-value--mono {
  font-family: var(--mono);
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: 0.02em;
  color: var(--gold-lit);
}
.page-contact .addr-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--steel);
}

/* 延伸入口 */
.page-contact .router-section {
  background: linear-gradient(180deg, var(--ink-3) 0%, rgba(7, 26, 22, 0.96) 100%);
  border-top: 1px solid var(--line-soft);
}
.page-contact .router-section .eyebrow,
.page-contact .router-section .section-title {
  margin: 0;
}
.page-contact .router-section .section-title {
  margin-bottom: clamp(22px, 3vw, 34px);
}
.page-contact .router-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 1px solid var(--line);
}
.page-contact .router-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
  color: inherit;
  text-decoration: none;
  min-width: 0;
}
.page-contact .router-idx {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--steel);
}
.page-contact .router-title {
  font-family: var(--serif);
  font-size: 19px;
  color: var(--paper);
  transition: color 0.2s var(--ease);
}
.page-contact .router-text {
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist);
}
.page-contact .router-card:hover .router-title {
  color: var(--gold-lit);
}
.page-contact .router-card:hover .router-idx {
  color: var(--gold);
}

/* 响应式 */
@media (max-width: 899px) {
  .page-contact .contact-hero-fig {
    aspect-ratio: 16 / 10;
  }
}

@media (min-width: 720px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3.2vw, 44px);
  }
  .page-contact .router-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(24px, 3.2vw, 44px);
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 340px);
    gap: clamp(32px, 5vw, 72px);
  }
}

@media (min-width: 940px) {
  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }
  .page-contact .template-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
  }
  .page-contact .addr-grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr);
  }
}

@media (min-width: 1100px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: clamp(20px, 2.4vw, 36px);
  }
  .page-contact .router-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    column-gap: clamp(20px, 2.4vw, 36px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
  }
}
<<<END>>>