.page-contact {
  --pc-line: 2px solid var(--c-steel);
  --pc-line-thick: 3px solid var(--c-steel);
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .contact-crumbs {
  padding-top: 1.25rem;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: clamp(1.5rem, 4vw, 2.75rem) 0 clamp(1.75rem, 4vw, 2.5rem);
}

.page-contact .pc-no {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-contact .contact-hero__inner {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: end;
}

.page-contact .contact-hero__title {
  margin: 0 0 1.25rem;
  font-family: var(--font-display);
  font-size: clamp(2.4rem, 7vw, 4.5rem);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--c-ice);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 42ch;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.9;
  color: var(--c-mist);
}

.page-contact .contact-hero__badge {
  display: grid;
  grid-template-columns: auto auto;
  align-items: baseline;
  gap: 0 0.35rem;
  justify-self: start;
  padding: 1.25rem 1.5rem 1.1rem;
  border: var(--pc-line-thick);
  background: var(--c-panel);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-hero__badge-num {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 6vw, 4rem);
  font-weight: 900;
  line-height: 1;
  color: var(--c-amber);
}

.page-contact .contact-hero__badge-unit {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 900;
  color: var(--c-amber);
}

.page-contact .contact-hero__badge-txt {
  grid-column: 1 / -1;
  margin-top: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-mist);
}

@media (min-width: 900px) {
  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(0, 1fr) auto;
  }
  .page-contact .contact-hero__badge {
    justify-self: end;
  }
}

/* ---------- 渠道卡 ---------- */
.page-contact .contact-channels {
  padding-top: clamp(1rem, 3vw, 1.75rem);
}

.page-contact .contact-channels__head {
  max-width: 60ch;
  margin-bottom: clamp(1.5rem, 3vw, 2rem);
}

.page-contact .contact-channels__head h2,
.page-contact .contact-topics__head h2,
.page-contact .contact-hours__body h2,
.page-contact .contact-partners__body h2,
.page-contact .contact-office__panel h2 {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.6vw, 2.5rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.01em;
  color: var(--c-ice);
}

.page-contact .contact-channels__intro,
.page-contact .contact-topics__intro,
.page-contact .contact-hours__lead,
.page-contact .contact-partners__body > p {
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-contact .channel-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1rem, 2.5vw, 1.5rem);
}

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

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: 1.6rem 1.35rem 1.4rem;
  background: var(--c-panel);
  border: var(--pc-line-thick);
  box-shadow: var(--shadow-hard);
  transition: transform var(--t-base), border-color var(--t-base), box-shadow var(--t-base);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: -3px -3px auto -3px;
  height: 6px;
  background: var(--c-steel);
  transition: background var(--t-base);
}

.page-contact .channel-card--cyan::before { background: var(--c-cyan); }
.page-contact .channel-card--amber::before { background: var(--c-amber); }
.page-contact .channel-card--ice::before { background: var(--c-cyan-soft); }

.page-contact .channel-card:hover {
  transform: translate(-2px, -2px);
  border-color: var(--c-cyan);
  box-shadow: 10px 10px 0 rgba(6, 24, 38, 0.92);
}

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--c-mist);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.4rem;
  font-weight: 900;
  color: var(--c-ice);
}

.page-contact .channel-card__value {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.98rem;
  line-height: 1.6;
  word-break: break-all;
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-contact .channel-card__value:hover,
.page-contact .channel-card__value:focus-visible {
  border-bottom-color: var(--c-cyan);
  color: var(--c-cyan-soft);
}

.page-contact .channel-card__value--static {
  color: var(--c-amber);
  border-bottom: none;
}

.page-contact .channel-card--amber .channel-card__value:hover,
.page-contact .channel-card--amber .channel-card__value:focus-visible {
  border-bottom-color: var(--c-amber);
  color: var(--c-amber);
}

.page-contact .channel-card__fit {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-contact .channel-card__time {
  margin: auto 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--c-steel);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--c-mist);
}

.page-contact .channel-card__cta {
  align-self: flex-start;
  margin-top: auto;
  padding: 0.55rem 0.95rem;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--c-amber);
  text-decoration: none;
  border: 2px solid var(--c-amber);
  transition: background var(--t-fast), color var(--t-fast);
}

.page-contact .channel-card__cta:hover,
.page-contact .channel-card__cta:focus-visible {
  background: var(--c-amber);
  color: var(--c-abyss);
}

.page-contact .contact-channels__figure {
  margin: clamp(1.5rem, 3.5vw, 2.25rem) 0 0;
  border: var(--pc-line-thick);
  background: var(--c-panel);
  overflow: hidden;
}

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

.page-contact .contact-channels__caption {
  padding: 0.85rem 1.1rem;
  border-top: var(--pc-line);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--c-mist);
}

/* ---------- 服务时间 ---------- */
.page-contact .contact-hours {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding: clamp(2rem, 5vw, 3.25rem) 0;
  border-top: var(--pc-line);
  border-bottom: var(--pc-line);
  background: linear-gradient(180deg, rgba(11, 34, 57, 0.55), rgba(6, 24, 38, 0));
}

.page-contact .contact-hours__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.75rem);
  align-items: center;
}

@media (min-width: 880px) {
  .page-contact .contact-hours__grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
  }
}

.page-contact .contact-hours__figure {
  margin: 0;
  border: var(--pc-line-thick);
  box-shadow: var(--shadow-hard);
  overflow: hidden;
}

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

.page-contact .hours-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .hours-list li {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 1.1rem;
  border-left: 3px solid var(--c-cyan);
  background: var(--c-panel);
}

.page-contact .hours-list__key {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.05em;
  color: var(--c-cyan);
}

.page-contact .hours-list__val {
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-ice);
}

.page-contact .contact-hours__note {
  margin: 1.25rem 0 0;
  padding-left: 1rem;
  border-left: 2px solid var(--c-amber);
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--c-mist);
}

/* ---------- 问题分类 ---------- */
.page-contact .contact-topics {
  padding-top: clamp(2.25rem, 5vw, 3.5rem);
}

.page-contact .contact-topics__head {
  max-width: 62ch;
  margin-bottom: clamp(1.25rem, 3vw, 1.75rem);
}

.page-contact .topic-list {
  display: grid;
  gap: 0.7rem;
}

.page-contact .topic {
  border: var(--pc-line);
  background: rgba(11, 34, 57, 0.62);
  transition: border-color var(--t-fast), background var(--t-fast);
}

.page-contact .topic:hover {
  border-color: var(--c-cyan);
}

.page-contact .topic[open] {
  border-left: 4px solid var(--c-cyan);
  background: var(--c-panel);
}

.page-contact .topic__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: center;
  gap: 0.4rem 0.85rem;
  padding: 1rem 1.1rem;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .topic__no {
  grid-row: 1 / span 2;
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  color: var(--c-abyss);
  background: var(--c-cyan);
}

.page-contact .topic__name {
  font-family: var(--font-display);
  font-size: 1.02rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-ice);
}

.page-contact .topic__hint {
  grid-column: 2;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.12em;
  color: var(--c-mist);
}

.page-contact .topic[open] .topic__hint {
  color: var(--c-amber);
}

.page-contact .topic__panel {
  padding: 0 1.1rem 1.25rem;
  border-top: 1px dashed var(--c-steel);
}

.page-contact .topic__panel p {
  margin: 0.9rem 0 0;
  font-size: 0.95rem;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-contact .topic__label {
  font-family: var(--font-mono);
  font-size: 0.72rem !important;
  letter-spacing: 0.12em;
  color: var(--c-cyan) !important;
}

.page-contact .topic__list {
  list-style: none;
  margin: 0.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-contact .topic__list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.93rem;
  line-height: 1.8;
  color: var(--c-ice);
}

.page-contact .topic__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 0.5rem;
  height: 2px;
  background: var(--c-amber);
}

/* ---------- 合作共建 ---------- */
.page-contact .contact-partners {
  padding-top: clamp(2.25rem, 5vw, 3.5rem);
}

.page-contact .contact-partners__panel {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.25rem, 3vw, 2.25rem);
  padding: clamp(1.35rem, 3.5vw, 2.25rem);
  border: var(--pc-line-thick);
  background: var(--c-panel);
}

@media (min-width: 900px) {
  .page-contact .contact-partners__panel {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
  }
}

.page-contact .contact-partners__stat {
  display: grid;
  gap: 0.35rem;
  padding: 1rem 1.25rem;
  border: 2px solid var(--c-magenta);
  background: rgba(255, 63, 142, 0.08);
  justify-self: start;
}

.page-contact .contact-partners__stat-num {
  font-family: var(--font-display);
  font-size: clamp(2.5rem, 5vw, 3.5rem);
  font-weight: 900;
  line-height: 1;
  color: var(--c-magenta);
}

.page-contact .contact-partners__stat-lbl {
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.1em;
  color: var(--c-mist);
}

.page-contact .partner-list {
  list-style: none;
  margin: 1.25rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-contact .partner-list li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--c-steel);
}

.page-contact .partner-list__no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
  padding-top: 0.2rem;
}

.page-contact .partner-list__txt {
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--c-ice);
}

.page-contact .contact-partners__note {
  margin: 1.25rem 0 1.1rem;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-contact .contact-partners__body .btn {
  display: inline-block;
  text-decoration: none;
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-office {
  padding-top: clamp(2.25rem, 5vw, 3.5rem);
}

.page-contact .contact-office__panel {
  position: relative;
  padding: clamp(1.35rem, 3.5vw, 2.25rem);
  border: var(--pc-line-thick);
  background-color: var(--c-panel);
  background-image:
    linear-gradient(to right, rgba(28, 69, 96, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 69, 96, 0.5) 1px, transparent 1px);
  background-size: 44px 44px;
}

.page-contact .contact-office__list {
  margin: 1.25rem 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--c-steel);
}

.page-contact .contact-office__row {
  display: grid;
  gap: 0.25rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--c-steel);
}

@media (min-width: 720px) {
  .page-contact .contact-office__row {
    grid-template-columns: minmax(0, 8.5rem) minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }
}

.page-contact .contact-office__row dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-contact .contact-office__row dd {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.8;
  color: var(--c-ice);
  word-break: break-word;
}

.page-contact .contact-office__link {
  color: var(--c-ice);
  text-decoration: none;
  border-bottom: 2px solid var(--c-steel);
  transition: border-color var(--t-fast), color var(--t-fast);
}

.page-contact .contact-office__link:hover,
.page-contact .contact-office__link:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
}

.page-contact .contact-office__note {
  margin: 1.1rem 0 0;
  max-width: 56ch;
  font-size: 0.9rem;
  line-height: 1.85;
  color: var(--c-mist);
}

.page-contact .contact-legal-hint {
  margin-top: clamp(1.25rem, 3vw, 1.75rem);
  padding: 0.95rem 1.1rem;
  border-left: 3px solid var(--c-cyan-soft);
  background: rgba(139, 243, 230, 0.06);
}

.page-contact .contact-legal-hint p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-contact .contact-legal-hint a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(25, 227, 198, 0.5);
  transition: color var(--t-fast), border-color var(--t-fast);
}

.page-contact .contact-legal-hint a:hover,
.page-contact .contact-legal-hint a:focus-visible {
  color: var(--c-cyan-soft);
  border-bottom-color: var(--c-cyan-soft);
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .channel-card::before,
  .page-contact .channel-card__value,
  .page-contact .channel-card__cta,
  .page-contact .contact-office__link,
  .page-contact .contact-legal-hint a {
    transition: none;
  }
  .page-contact .channel-card:hover {
    transform: none;
  }
}
<<<END>>>