.page-contact {
  --c-panel: var(--ink-800);
  --c-hair: rgba(44, 74, 99, 0.6);
  --c-hair-soft: rgba(44, 74, 99, 0.35);
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  margin-top: 22px;
}

.page-contact .contact-hero {
  padding-top: clamp(18px, 3.4vw, 34px);
}

.page-contact .contact-hero .display-title {
  max-width: 20ch;
  margin: 12px 0 16px;
  line-height: 1.14;
}

.page-contact .contact-hero .lede {
  max-width: 60ch;
  margin: 0;
  color: var(--text-soft);
}

.page-contact .contact-signal {
  margin: clamp(24px, 4vw, 40px) 0 0;
  border-top: 1px solid var(--c-hair);
  border-bottom: 1px solid var(--c-hair);
  overflow: hidden;
}

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

.page-contact .section-title {
  margin: 10px 0 14px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--highlight-050);
}

/* 三条渠道 */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px 18px 16px;
  background: var(--c-panel);
  border: 1px solid var(--c-hair);
  border-top: 2px solid var(--steel-500);
  border-radius: 3px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .channel:hover {
  transform: translateY(-2px);
  border-color: var(--mist-300);
  border-top-color: var(--signal-500);
}

.page-contact .channel--glass {
  background: var(--glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top-color: var(--signal-500);
}

.page-contact .channel__head {
  display: flex;
  align-items: center;
  gap: 10px;
}

.page-contact .channel__icon {
  display: inline-flex;
  width: 22px;
  height: 22px;
  color: var(--mist-300);
  flex: 0 0 auto;
}

.page-contact .channel__icon svg {
  width: 100%;
  height: 100%;
}

.page-contact .channel__name {
  margin: 0;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--mist-300);
}

.page-contact .channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(17px, 2.4vw, 22px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--highlight-050);
  word-break: break-word;
}

.page-contact .channel__value--mail {
  font-size: clamp(13px, 1.6vw, 16px);
  word-break: break-all;
}

.page-contact .channel__value--path {
  font-size: clamp(15px, 2vw, 19px);
  color: var(--signal-500);
}

.page-contact .channel__use {
  margin: 0;
  flex: 1;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .channel__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--c-hair-soft);
}

.page-contact .channel__meta {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--mist-300);
}

.page-contact .copy-btn {
  appearance: none;
  font-family: var(--font-mono);
  font-size: 12px;
  padding: 6px 12px;
  color: var(--highlight-050);
  background: transparent;
  border: 1px solid var(--steel-500);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .copy-btn:hover {
  border-color: var(--signal-500);
  color: var(--signal-500);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--signal-500);
  outline-offset: 2px;
}

.page-contact .copy-hint {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--scan-400);
  min-height: 1em;
}

.page-contact .channel__link {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--highlight-050);
  text-decoration: none;
  border-bottom: 1px solid var(--steel-500);
  padding-bottom: 1px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .channel__link:hover {
  color: var(--signal-500);
  border-color: var(--signal-500);
}

/* 服务时间 */
.page-contact .hours-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .hours-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
  max-width: 46ch;
}

.page-contact .hours-list {
  margin: 0;
  border-top: 1px solid var(--c-hair);
}

.page-contact .hours-row {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--c-hair);
}

.page-contact .hours-row dt {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  color: var(--signal-500);
}

.page-contact .hours-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text);
}

/* 事项分流 */
.page-contact .route-lede {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-soft);
}

.page-contact .route-head {
  display: none;
}

.page-contact .route-list {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--c-hair);
}

.page-contact .route {
  border-bottom: 1px solid var(--c-hair);
}

.page-contact .route summary {
  position: relative;
  display: grid;
  gap: 6px;
  padding: 15px 34px 15px 0;
  cursor: pointer;
  list-style: none;
}

.page-contact .route summary::-webkit-details-marker {
  display: none;
}

.page-contact .route summary::after {
  content: "+";
  position: absolute;
  right: 6px;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--steel-500);
  transition: color var(--dur) var(--ease);
}

.page-contact .route[open] summary::after {
  content: "\2212";
  color: var(--signal-500);
}

.page-contact .route summary:hover::after {
  color: var(--mist-300);
}

.page-contact .route summary:focus-visible {
  outline: 2px solid var(--signal-500);
  outline-offset: 2px;
}

.page-contact .route__type {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--highlight-050);
}

.page-contact .route__channel {
  font-size: 13px;
  color: var(--scan-400);
}

.page-contact .route__body {
  padding: 0 0 18px;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .route__body a {
  color: var(--highlight-050);
  text-decoration: none;
  border-bottom: 1px solid var(--steel-500);
}

.page-contact .route__body a:hover {
  color: var(--signal-500);
  border-color: var(--signal-500);
}

/* 通信地址 */
.page-contact .address-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
}

.page-contact .address-text {
  display: block;
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 3px solid var(--signal-500);
  font-family: var(--font-mono);
  font-style: normal;
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.7;
  color: var(--highlight-050);
}

.page-contact .address-note {
  margin: 0 0 10px;
  max-width: 54ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .address-map {
  margin: 0;
}

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

/* 写信前准备 */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .prep-text {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .prep-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 12px 14px;
  background: var(--c-panel);
  border: 1px solid var(--c-hair-soft);
  border-radius: 2px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .prep-item:hover {
  border-color: var(--steel-500);
}

.page-contact .prep-item input {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: 0 0 auto;
  width: 16px;
  height: 16px;
  margin: 3px 0 0;
  background: transparent;
  border: 1px solid var(--steel-500);
  border-radius: 2px;
  cursor: pointer;
}

.page-contact .prep-item input:checked {
  background: var(--signal-500);
  border-color: var(--signal-500);
}

.page-contact .prep-item input:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 4px;
  height: 9px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(42deg);
}

.page-contact .prep-item input:focus-visible {
  outline: 2px solid var(--signal-500);
  outline-offset: 2px;
}

/* 继续查找 */
.page-contact .link-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
}

.page-contact .link-card {
  display: block;
  padding: 15px 16px;
  background: var(--c-panel);
  border: 1px solid var(--c-hair);
  border-radius: 2px;
  font-size: 15px;
  font-weight: 600;
  color: var(--highlight-050);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .link-card:hover {
  transform: translateY(-2px);
  border-color: var(--mist-300);
}

.page-contact .link-card:focus-visible {
  outline: 2px solid var(--signal-500);
  outline-offset: 2px;
}

.page-contact .link-card span {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  color: var(--mist-300);
}

@media (min-width: 600px) {
  .page-contact .hours-row {
    grid-template-columns: minmax(0, 180px) minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

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

@media (min-width: 760px) {
  .page-contact .route-head {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 210px;
    gap: 20px;
    padding: 0 34px 9px 0;
    font-family: var(--font-mono);
    font-size: 12px;
    color: var(--mist-300);
    border-bottom: 1px solid var(--c-hair);
  }

  .page-contact .route summary {
    grid-template-columns: minmax(0, 1fr) 210px;
    gap: 20px;
    align-items: baseline;
  }

  .page-contact .route__channel {
    text-align: left;
  }
}

@media (min-width: 860px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: stretch;
  }

  .page-contact .link-row {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.25fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 48px;
    align-items: center;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 0.8fr) minmax(0, 1.2fr);
    gap: 48px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel,
  .page-contact .link-card,
  .page-contact .copy-btn,
  .page-contact .route summary::after,
  .page-contact .prep-item {
    transition: none;
  }

  .page-contact .channel:hover,
  .page-contact .link-card:hover {
    transform: none;
  }
}
<<<END>>>