.page-contact {
  --c-line: rgba(41, 230, 255, 0.16);
  --c-line-soft: rgba(184, 196, 212, 0.14);
  --c-cyan-soft: rgba(41, 230, 255, 0.07);
  position: relative;
  isolation: isolate;
  overflow-x: hidden;
  background: var(--ink-0);
  color: var(--silver);
  padding-top: calc(var(--header-h) + clamp(1.25rem, 4vw, 2.75rem));
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 68vh;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(85% 65% at 10% 0%, rgba(41, 230, 255, 0.15), transparent 64%),
    radial-gradient(65% 55% at 94% 6%, rgba(255, 122, 26, 0.1), transparent 62%);
}

.page-contact::after {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 68vh;
  z-index: -1;
  pointer-events: none;
  background-image: repeating-linear-gradient(
    97deg,
    rgba(184, 196, 212, 0.06) 0 1px,
    transparent 1px 104px
  );
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 90%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 90%);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(1rem, 2.5vw, 1.5rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-bottom: clamp(1.5rem, 3.5vw, 2.5rem);
}

.page-contact .contact-hero h1 {
  margin: 0.55rem 0 1rem;
  max-width: 22ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 6vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-contact .contact-hero__lede {
  max-width: 62ch;
  font-size: clamp(0.95rem, 1.9vw, 1.06rem);
  line-height: 1.8;
  color: rgba(184, 196, 212, 0.92);
}

.page-contact .hero-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin-top: clamp(1.15rem, 3vw, 1.75rem);
}

.page-contact .hero-strip__cell {
  font-family: var(--font-mono);
  font-size: 0.65rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: rgba(184, 196, 212, 0.7);
  border: 1px solid var(--c-line-soft);
  border-radius: 2px;
  padding: 0.34rem 0.62rem;
  background: rgba(11, 22, 38, 0.6);
}

.page-contact .hero-strip__cell:nth-child(2) {
  color: var(--cyan);
  border-color: var(--c-line);
}

.page-contact .hero-strip__cell:nth-child(4) {
  color: var(--orange);
  border-color: rgba(255, 122, 26, 0.32);
}

/* ---------- 服务台主体 ---------- */
.page-contact .contact-desk {
  padding-block: clamp(1rem, 2.5vw, 1.75rem);
}

.page-contact .contact-desk__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 2.4vw, 1.75rem);
}

.page-contact .desk-card {
  position: relative;
  background: var(--ink-1);
  border: 1px solid var(--c-line-soft);
  border-left: 2px solid var(--cyan);
  border-radius: 2px;
  overflow: hidden;
}

.page-contact .desk-card__media {
  position: relative;
  margin: 0;
  height: clamp(150px, 26vw, 215px);
  overflow: hidden;
  background: var(--steel);
}

.page-contact .desk-card__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.5;
  filter: saturate(0.85) contrast(1.05);
}

.page-contact .desk-card__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 11, 20, 0.1) 0%, rgba(11, 22, 38, 0.97) 94%);
}

.page-contact .desk-card__body {
  padding: clamp(1.1rem, 3vw, 1.85rem);
}

.page-contact .desk-card__title {
  margin: 0.55rem 0 0.9rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.12rem, 2.4vw, 1.42rem);
  line-height: 1.3;
  letter-spacing: 0.01em;
  color: #ffffff;
}

.page-contact .desk-list {
  margin: 0 0 1rem;
  padding: 0;
}

.page-contact .desk-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.2rem;
  padding: 0.8rem 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-contact .desk-row:last-child {
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .desk-row dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(184, 196, 212, 0.7);
}

.page-contact .desk-row dd {
  margin: 0;
  min-width: 0;
}

.page-contact .desk-value {
  display: inline-block;
  max-width: 100%;
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 2.4vw, 1.3rem);
  line-height: 1.5;
  letter-spacing: 0.01em;
  color: #ffffff;
  text-decoration: none;
  overflow-wrap: anywhere;
  transition: color 0.2s ease;
}

.page-contact a.desk-value:hover,
.page-contact a.desk-value:focus-visible {
  color: var(--cyan);
}

.page-contact .desk-value--sm {
  font-family: var(--font-body);
  font-size: clamp(0.85rem, 1.9vw, 0.98rem);
  line-height: 1.7;
  color: rgba(184, 196, 212, 0.95);
}

.page-contact .desk-note {
  margin: 0;
  padding-left: 0.8rem;
  border-left: 2px solid rgba(255, 122, 26, 0.55);
  font-size: 0.82rem;
  line-height: 1.75;
  color: rgba(184, 196, 212, 0.82);
}

/* 侧栏 */
.page-contact .desk-side {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1rem, 2.4vw, 1.5rem);
  align-content: start;
}

.page-contact .side-panel {
  padding: clamp(1.1rem, 3vw, 1.55rem);
}

.page-contact .panel-label {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: rgba(184, 196, 212, 0.66);
}

.page-contact .status-line {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: #ffffff;
}

.page-contact .meter {
  height: 3px;
  margin-top: 0.9rem;
  background: rgba(184, 196, 212, 0.16);
  overflow: hidden;
}

.page-contact .meter-fill {
  display: block;
  width: 72%;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--green));
  transition: width 0.9s ease;
}

.page-contact .side-note {
  margin: 0.8rem 0 0;
  font-size: 0.82rem;
  line-height: 1.75;
  color: rgba(184, 196, 212, 0.76);
}

.page-contact .side-title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.02rem, 2.2vw, 1.2rem);
  line-height: 1.35;
  color: #ffffff;
}

.page-contact .prep-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.65rem;
  align-items: start;
  padding-top: 0.85rem;
  border-top: 1px solid var(--c-line-soft);
}

.page-contact .prep-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-contact .prep-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
  padding-top: 0.12rem;
}

.page-contact .prep-body strong {
  display: block;
  font-size: 0.94rem;
  font-weight: 700;
  color: #ffffff;
  margin-bottom: 0.22rem;
}

.page-contact .prep-body p {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.72;
  color: rgba(184, 196, 212, 0.8);
}

/* ---------- 分流 ---------- */
.page-contact .contact-route {
  padding-block: clamp(2.25rem, 5vw, 3.75rem);
}

.page-contact .contact-route__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.35rem, 3.5vw, 2.75rem);
  align-items: start;
}

.page-contact .contact-route__visual {
  order: 2;
}

.page-contact .contact-route__visual .img-frame {
  display: block;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-line-soft);
  border-radius: 2px;
  background: var(--ink-1);
  aspect-ratio: 3 / 2;
}

.page-contact .contact-route__visual img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.78;
}

.page-contact .contact-route__visual .fig-caption {
  margin: 0.7rem 0 0;
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  color: rgba(184, 196, 212, 0.66);
}

.page-contact .contact-route__body {
  order: 1;
}

.page-contact .contact-route__body .section-title {
  margin: 0.5rem 0 0.85rem;
  max-width: 18ch;
}

.page-contact .route-lede {
  margin: 0 0 1.3rem;
  max-width: 56ch;
  font-size: 0.94rem;
  line-height: 1.8;
  color: rgba(184, 196, 212, 0.86);
}

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

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

.page-contact .route-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.3rem;
  padding: 0.95rem 0.6rem;
  text-decoration: none;
  transition: background-color 0.24s ease, padding-left 0.24s ease;
}

.page-contact .route-link:hover,
.page-contact .route-link:focus-visible {
  background: var(--c-cyan-soft);
  padding-left: 1rem;
}

.page-contact .route-tag {
  justify-self: start;
  font-family: var(--font-mono);
  font-size: 0.6rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--orange);
  border: 1px solid rgba(255, 122, 26, 0.4);
  border-radius: 2px;
  padding: 0.16rem 0.42rem;
  line-height: 1.5;
}

.page-contact .route-name {
  font-size: 0.95rem;
  line-height: 1.65;
  color: #ffffff;
  overflow-wrap: anywhere;
}

.page-contact .route-hint {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.05em;
  color: var(--cyan);
}

/* ---------- 合作与反馈 ---------- */
.page-contact .contact-signal {
  padding-block: clamp(2rem, 4.5vw, 3.25rem);
  background: linear-gradient(180deg, rgba(11, 22, 38, 0) 0%, rgba(11, 22, 38, 0.72) 22%, rgba(11, 22, 38, 0.72) 80%, rgba(11, 22, 38, 0) 100%);
  border-top: 1px solid var(--c-line-soft);
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .contact-signal__head {
  max-width: 68ch;
}

.page-contact .contact-signal__head .section-title {
  margin: 0.5rem 0 0.85rem;
}

.page-contact .signal-lede {
  margin: 0 0 clamp(1.35rem, 3vw, 2rem);
  font-size: 0.95rem;
  line-height: 1.82;
  color: rgba(184, 196, 212, 0.88);
}

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

.page-contact .signal-item {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.75rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--c-line-soft);
}

.page-contact .signal-num {
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 3vw, 1.5rem);
  line-height: 1;
  color: var(--steel);
  padding-top: 0.1rem;
}

.page-contact .signal-body h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1rem;
  line-height: 1.4;
  color: #ffffff;
}

.page-contact .signal-body p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.75;
  color: rgba(184, 196, 212, 0.82);
}

/* ---------- 响应说明 ---------- */
.page-contact .contact-response {
  padding-block: clamp(2.25rem, 5vw, 3.5rem);
}

.page-contact .contact-response__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.35rem, 3.5vw, 2.5rem);
  align-items: start;
}

.page-contact .response-lead .section-title {
  margin: 0.5rem 0 0.85rem;
  max-width: 16ch;
}

.page-contact .response-lead p {
  margin: 0 0 1.35rem;
  max-width: 52ch;
  font-size: 0.94rem;
  line-height: 1.82;
  color: rgba(184, 196, 212, 0.86);
}

.page-contact .response-faq {
  border-top: 1px solid var(--c-line);
}

.page-contact .response-faq details {
  border-bottom: 1px solid var(--c-line-soft);
  padding: 0.9rem 0;
}

.page-contact .response-faq summary {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
  cursor: pointer;
  list-style: none;
  font-size: 0.94rem;
  font-weight: 600;
  line-height: 1.5;
  color: #ffffff;
}

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

.page-contact .response-faq summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .response-faq details[open] summary::after {
  content: "−";
}

.page-contact .response-faq details p {
  margin: 0.7rem 0 0.15rem;
  font-size: 0.86rem;
  line-height: 1.78;
  color: rgba(184, 196, 212, 0.84);
}

/* ---------- 收尾 ---------- */
.page-contact .contact-tail {
  padding-top: clamp(0.5rem, 2vw, 1rem);
}

.page-contact .contact-tail__inner {
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--c-line);
}

.page-contact .tail-title {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(184, 196, 212, 0.66);
}

.page-contact .tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

/* ---------- 断点 ---------- */
@media (min-width: 560px) {
  .page-contact .desk-row {
    grid-template-columns: 6.5rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1rem;
  }

  .page-contact .route-link {
    grid-template-columns: 4.6rem minmax(0, 1fr);
    align-items: center;
    gap: 0.75rem;
  }

  .page-contact .route-tag {
    justify-self: stretch;
    text-align: center;
  }

  .page-contact .route-hint {
    grid-column: 2;
    padding-top: 0.15rem;
  }
}

@media (min-width: 760px) {
  .page-contact .signal-item {
    grid-template-columns: 3.2rem minmax(0, 1fr);
    gap: 1.1rem;
    padding: 1.2rem 0;
  }

  .page-contact .contact-tail__inner {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
  }
}

@media (min-width: 880px) {
  .page-contact .contact-desk__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

  .page-contact .contact-route__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(1.75rem, 4vw, 3.25rem);
  }

  .page-contact .contact-route__visual {
    order: 1;
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
  }

  .page-contact .contact-route__body {
    order: 2;
  }

  .page-contact .contact-response__inner {
    grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr);
    gap: clamp(1.75rem, 4vw, 3rem);
  }

  .page-contact .route-link {
    grid-template-columns: 4.6rem minmax(0, 1fr) auto;
  }

  .page-contact .route-hint {
    grid-column: 3;
    padding-top: 0;
  }
}

@media (min-width: 1080px) {
  .page-contact .signal-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: clamp(1.25rem, 2.5vw, 2rem);
    border-top: 1px solid var(--c-line-soft);
    padding-top: 1.25rem;
  }

  .page-contact .signal-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.55rem;
    padding: 0;
    border-top: 0;
  }

  .page-contact .signal-num {
    font-size: 1.75rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .meter-fill,
  .page-contact .route-link,
  .page-contact .desk-value {
    transition: none;
  }
}
<<<END>>>