.page-contact {
  --rail-gap: clamp(16px, 3vw, 32px);
  --card-pad: clamp(16px, 2.4vw, 26px);
  position: relative;
  isolation: isolate;
  background: var(--night);
  color: var(--text);
  padding-bottom: clamp(48px, 7vw, 96px);
  overflow: hidden;
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 96px 96px;
  mask-image: linear-gradient(180deg, rgba(0,0,0,.9), rgba(0,0,0,.35) 60%, transparent);
}

.page-contact > .wrap {
  position: relative;
  z-index: 1;
  padding-top: clamp(20px, 3vw, 34px);
}

.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-bottom: clamp(20px, 3.5vw, 36px);
}

.page-contact .crumbs a {
  color: var(--mid);
  text-decoration: none;
}

.page-contact .crumbs a:hover {
  color: var(--signal-soft);
}

.page-contact h2 {
  margin: 0 0 12px;
  font-family: var(--narrow);
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.12;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact h3 {
  margin: 0 0 8px;
  font-family: var(--sans);
  font-size: 17px;
  font-weight: 700;
  color: var(--white);
}

.page-contact p {
  margin: 0 0 12px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  padding-bottom: clamp(24px, 4vw, 40px);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-intro h1 {
  margin: 8px 0 18px;
  max-width: 22ch;
  font-family: var(--narrow);
  font-size: clamp(32px, 6.4vw, 66px);
  line-height: 1.04;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .contact-intro__lede {
  max-width: 62ch;
  font-family: var(--serif);
  font-size: clamp(16px, 1.9vw, 20px);
  line-height: 1.75;
  color: var(--text);
}

.page-contact .contact-intro__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(16px, 3vw, 36px);
  margin: clamp(20px, 3vw, 30px) 0 0;
  padding: 14px 0 0;
  list-style: none;
  border-top: 1px solid var(--line-faint);
  font-size: 13px;
  color: var(--text-dim);
}

.page-contact .contact-intro__meta li {
  position: relative;
  padding-left: 14px;
}

.page-contact .contact-intro__meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  width: 5px;
  height: 5px;
  background: var(--signal);
}

.page-contact .contact-intro__meta .num {
  color: var(--white);
}

/* ---------- 通用区块节奏 ---------- */
.page-contact .block {
  margin-top: clamp(48px, 7vw, 88px);
}

.page-contact .section-head {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .eyebrow {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--signal);
}

/* ---------- 主布局 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(32px, 5vw, 56px);
  margin-top: clamp(32px, 5vw, 56px);
}

.page-contact .channels,
.page-contact .site-plan {
  min-width: 0;
}

.page-contact .channel-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
  counter-reset: ch;
}

.page-contact .channel-card {
  position: relative;
  padding: var(--card-pad);
  background:
    linear-gradient(180deg, rgba(18, 65, 122, .30), rgba(13, 19, 25, 0) 78%),
    var(--night-2);
  border: 1px solid var(--line-soft);
  transition: border-color .18s var(--ease), background-color .18s var(--ease);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 2px;
  background: var(--signal);
  transform: scaleY(0);
  transform-origin: top;
  transition: transform .18s var(--ease);
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: var(--line);
}

.page-contact .channel-card:hover::before,
.page-contact .channel-card:focus-within::before {
  transform: scaleY(1);
}

.page-contact .channel-card__kicker {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--text-dim);
}

.page-contact .channel-card__value {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: clamp(15px, 2vw, 20px);
  line-height: 1.4;
  color: var(--white);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel-card__desc {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .link-tag {
  display: inline-block;
  padding-bottom: 3px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--signal-soft);
  text-decoration: none;
  background-image: linear-gradient(var(--signal), var(--signal));
  background-repeat: no-repeat;
  background-position: 0 100%;
  background-size: 35% 1px;
  transition: background-size .18s var(--ease), color .18s var(--ease);
}

.page-contact .link-tag:hover,
.page-contact .link-tag:focus-visible {
  color: var(--signal);
  background-size: 100% 1px;
}

/* ---------- 区位 ---------- */
.page-contact .site-plan__figure {
  position: relative;
  margin: 0 0 18px;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--night-deep);
}

.page-contact .site-plan__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.75) contrast(1.05) brightness(.85);
}

.page-contact .site-plan__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(var(--grid-line) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid-line) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-contact .visit-address {
  margin: 0 0 16px;
  padding-left: 14px;
  border-left: 2px solid var(--signal);
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.6;
  color: var(--white);
}

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

.page-contact .visit-list li {
  padding: 12px 0 12px 20px;
  border-bottom: 1px solid var(--line-faint);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
  position: relative;
}

.page-contact .visit-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 10px;
  height: 1px;
  background: var(--mid);
}

/* ---------- 纠错 ---------- */
.page-contact .correction__lede {
  max-width: 68ch;
  font-family: var(--serif);
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.8;
  color: var(--text);
}

.page-contact .correction-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
}

.page-contact .correction-checklist {
  padding: var(--card-pad);
  background: var(--paper);
  color: var(--night);
  border: 1px solid var(--line);
}

.page-contact .correction-checklist h3 {
  color: var(--night);
  font-size: 16px;
}

.page-contact .correction-checklist ul {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid rgba(90, 107, 128, .32);
}

.page-contact .correction-checklist li {
  position: relative;
  padding: 12px 0 12px 26px;
  border-bottom: 1px solid rgba(90, 107, 128, .22);
  font-size: 14px;
  line-height: 1.7;
  color: var(--night-3);
}

.page-contact .correction-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 11px;
  height: 11px;
  border: 1px solid var(--signal);
}

.page-contact .correction-checklist li strong {
  color: var(--sky-deep);
}

.page-contact .correction-checklist__mail {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--grid-gray);
  overflow-wrap: anywhere;
}

.page-contact .correction-checklist__mail .num {
  color: var(--sky);
  font-family: var(--mono);
}

.page-contact .correction-steps {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
}

.page-contact .correction-steps li {
  position: relative;
  padding: 0 0 20px 52px;
  border-left: 1px solid var(--line-soft);
  margin-left: 18px;
}

.page-contact .correction-steps li:last-child {
  padding-bottom: 0;
}

.page-contact .correction-steps__num {
  position: absolute;
  left: -19px;
  top: -2px;
  display: grid;
  place-items: center;
  width: 38px;
  height: 26px;
  background: var(--night);
  border: 1px solid var(--line);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--signal);
}

.page-contact .correction-steps h3 {
  font-size: 15px;
  margin-bottom: 6px;
}

.page-contact .correction-steps p {
  margin: 0 0 18px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .correction-steps li:last-child p {
  margin-bottom: 0;
}

/* ---------- 通栏图 ---------- */
.page-contact .wide-figure {
  position: relative;
  margin: clamp(40px, 6vw, 72px) 0 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
  border: 1px solid var(--line-soft);
  background: var(--night-deep);
}

.page-contact .wide-figure__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(.7) brightness(.8);
}

/* ---------- 合作标签页 ---------- */
.page-contact .partner-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .partner-tabs .tabs__tab {
  position: relative;
  padding: 12px 16px;
  border: 0;
  background: transparent;
  color: var(--text-dim);
  font-family: var(--mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: color .18s var(--ease);
}

.page-contact .partner-tabs .tabs__tab::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--signal);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform .18s var(--ease);
}

.page-contact .partner-tabs .tabs__tab[aria-selected="true"] {
  color: var(--white);
}

.page-contact .partner-tabs .tabs__tab[aria-selected="true"]::after {
  transform: scaleX(1);
}

.page-contact .partner-tabs .tabs__tab:hover,
.page-contact .partner-tabs .tabs__tab:focus-visible {
  color: var(--white);
}

.page-contact .partner-tabs .tabs__tab:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 2px;
}

.page-contact .partner-tabs .tabs__panel {
  padding-top: clamp(18px, 3vw, 28px);
}

.page-contact .partner-detail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin: 0;
  border-top: 1px solid var(--line-faint);
}

.page-contact .partner-detail dt {
  padding: 14px 0 4px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--signal-soft);
}

.page-contact .partner-detail dd {
  margin: 0;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--line-faint);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--text);
}

.page-contact .partner-detail dd:last-of-type {
  border-bottom: 0;
}

/* ---------- 响应时间 ---------- */
.page-contact .hours__table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border: 1px solid var(--line-soft);
}

.page-contact .hours__table {
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  background: var(--night-2);
}

.page-contact .hours__caption {
  caption-side: top;
  padding: 12px 14px;
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-dim);
  background: var(--sky-deep);
}

.page-contact .hours__table th {
  padding: 11px 14px;
  text-align: left;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .14em;
  color: var(--text-dim);
  background: rgba(18, 65, 122, .35);
  border-bottom: 1px solid var(--line);
  white-space: nowrap;
}

.page-contact .hours__table td {
  padding: 13px 14px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text);
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .hours__table tbody tr:nth-child(even) td {
  background: rgba(233, 239, 246, .03);
}

.page-contact .hours__table tbody tr:last-child td {
  border-bottom: 0;
}

.page-contact .hours__table td.num {
  font-family: var(--mono);
  color: var(--white);
  white-space: nowrap;
}

.page-contact .peak-note {
  margin-top: 18px;
  border: 1px solid var(--line-soft);
  background: var(--night-2);
}

.page-contact .peak-note summary {
  padding: 14px 18px;
  cursor: pointer;
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--white);
  list-style: none;
}

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

.page-contact .peak-note summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  color: var(--signal);
}

.page-contact .peak-note[open] summary::before {
  content: "−";
}

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

.page-contact .peak-note__body {
  padding: 0 18px 6px;
  border-top: 1px solid var(--line-faint);
}

.page-contact .peak-note__body p {
  margin: 14px 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-dim);
}

/* ---------- 底部信息条 ---------- */
.page-contact .contact-rail {
  margin-top: clamp(40px, 6vw, 72px);
  padding: 18px 0;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--rail-gap);
  align-items: start;
}

.page-contact .contact-rail__cell {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.page-contact .contact-rail__key {
  font-family: var(--mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  color: var(--text-dim);
}

.page-contact .contact-rail__val {
  font-size: 14px;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .contact-rail__val.num {
  font-family: var(--mono);
}

.page-contact .contact-rail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-contact .contact-rail__links .legal-link {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mid);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-contact .contact-rail__links .legal-link:hover,
.page-contact .contact-rail__links .legal-link:focus-visible {
  color: var(--signal-soft);
  border-color: var(--signal-soft);
}

/* ---------- 断点 ---------- */
@media (min-width: 760px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, .98fr);
    align-items: start;
  }

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

  .page-contact .partner-detail {
    grid-template-columns: minmax(96px, 130px) minmax(0, 1fr);
    column-gap: 20px;
  }

  .page-contact .partner-detail dt {
    padding: 16px 0 16px;
    border-bottom: 1px solid var(--line-faint);
  }

  .page-contact .partner-detail dd {
    padding: 16px 0;
    border-bottom: 1px solid var(--line-faint);
  }

  .page-contact .contact-rail {
    grid-template-columns: repeat(3, minmax(0, 1fr)) auto;
    align-items: center;
  }

  .page-contact .wide-figure {
    aspect-ratio: 21 / 9;
  }
}

@media (min-width: 1100px) {
  .page-contact .channel-card {
    padding-right: clamp(20px, 3vw, 36px);
  }

  .page-contact .site-plan__figure {
    aspect-ratio: 4 / 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card::before,
  .page-contact .link-tag,
  .page-contact .partner-tabs .tabs__tab::after,
  .page-contact .contact-rail__links .legal-link {
    transition: none;
  }
}
<<<END>>>