.page-contact {
  --contact-pad: clamp(3.25rem, 7vw, 6rem);
  --contact-gap: clamp(1.25rem, 3vw, 2.5rem);
  background: var(--void-indigo);
  color: var(--warm-paper);
  overflow-x: clip;
}

.page-contact .section {
  padding: var(--contact-pad) 0;
}

.page-contact .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--neon-cyan);
}

.page-contact .section-title {
  margin: 0.55rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 4.4vw, 2.9rem);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--warm-paper);
}

.page-contact .prose {
  margin: 0.9rem 0 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--parchment-muted);
}

.page-contact .section-head {
  max-width: 46rem;
  margin-bottom: clamp(1.4rem, 3vw, 2.2rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(1.1rem, 2.6vw, 1.8rem) 0 var(--contact-pad);
  background:
    radial-gradient(900px 520px at 4% -14%, var(--ink-cyan), transparent 65%),
    radial-gradient(760px 460px at 98% 2%, var(--ink-purple), transparent 62%),
    var(--void-indigo);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .breadcrumbs {
  font-size: 0.8rem;
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  color: var(--parchment-muted);
}

.page-contact .breadcrumb-list li + li::before {
  content: "/";
  margin-right: 0.45rem;
  color: var(--slate-line);
}

.page-contact .breadcrumb-list a {
  color: var(--parchment-muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .breadcrumb-list a:hover {
  color: var(--neon-cyan);
  border-bottom-color: var(--neon-cyan);
}

.page-contact .breadcrumb-list a:focus-visible {
  outline: 2px solid var(--focus-gold);
  outline-offset: 3px;
}

.page-contact .hero-grid {
  display: grid;
  gap: var(--contact-gap);
  margin-top: clamp(1.4rem, 3.6vw, 2.6rem);
}

.page-contact .hero-anchor {
  position: relative;
  isolation: isolate;
}

.page-contact .hero-veil {
  position: absolute;
  inset: -1.4rem 0;
  z-index: -1;
  opacity: 0.2;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(120% 92% at 22% 42%, #000 28%, transparent 78%);
  mask-image: radial-gradient(120% 92% at 22% 42%, #000 28%, transparent 78%);
}

.page-contact .hero-veil img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.05rem, 7.2vw, 4rem);
  line-height: 1.06;
  letter-spacing: -0.015em;
  color: var(--warm-paper);
  text-shadow: 0 0 26px rgba(56, 242, 225, 0.16);
}

.page-contact .contact-lede {
  margin: 1.1rem 0 0;
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--parchment-muted);
}

.page-contact .channel-list {
  display: grid;
  gap: 1px;
  margin-top: clamp(1.5rem, 3.6vw, 2.4rem);
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sharp);
  overflow: hidden;
}

.page-contact .channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: 0.4rem 0.9rem;
  padding: 0.95rem clamp(0.85rem, 2vw, 1.2rem);
  background: rgba(13, 24, 48, 0.86);
}

.page-contact .channel-key {
  grid-column: 1 / -1;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--parchment-muted);
}

.page-contact .channel-value {
  min-width: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 3.4vw, 1.34rem);
  line-height: 1.35;
  color: var(--neon-cyan);
  word-break: break-all;
}

.page-contact .copy-btn {
  min-height: 44px;
  padding: 0 1rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--warm-paper);
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-sharp);
  cursor: pointer;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-contact .copy-btn:hover {
  color: var(--void-indigo);
  background: var(--neon-cyan);
  border-color: var(--neon-cyan);
}

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

/* ---------- 值班卡 ---------- */
.page-contact .duty-card {
  position: relative;
  padding: clamp(1.1rem, 2.6vw, 1.7rem);
  background: linear-gradient(165deg, rgba(13, 24, 48, 0.97), rgba(7, 11, 22, 0.97));
  border: 1px solid var(--line-soft);
  border-left: 2px solid var(--neon-cyan);
  border-radius: var(--radius-sharp);
}

.page-contact .duty-head {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  margin: 0;
  font-size: 0.85rem;
  letter-spacing: 0.04em;
  color: var(--parchment-muted);
}

.page-contact .status-dot {
  width: 0.55rem;
  height: 0.55rem;
  border-radius: 50%;
  background: var(--signal-green);
  box-shadow: 0 0 0 3px rgba(141, 255, 178, 0.16), 0 0 14px rgba(141, 255, 178, 0.6);
}

.page-contact .duty-clock {
  margin: 0.7rem 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 5vw, 2.1rem);
  letter-spacing: 0.02em;
  color: var(--warm-paper);
}

.page-contact .duty-track {
  display: grid;
  gap: 0.8rem;
  margin: 1.2rem 0 0;
  padding: 0 0 0 1rem;
  list-style: none;
  border-left: 1px dashed var(--line-strong);
}

.page-contact .duty-track > li {
  position: relative;
  font-size: 0.88rem;
  line-height: 1.7;
  color: var(--parchment-muted);
}

.page-contact .duty-track > li::before {
  content: "";
  position: absolute;
  left: calc(-1rem - 3px);
  top: 0.6rem;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--electric-purple);
}

.page-contact .duty-track .data {
  margin-right: 0.5rem;
  color: var(--warm-paper);
}

.page-contact .duty-note {
  margin: 1.1rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--line-soft);
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--parchment-muted);
}

/* ---------- 反馈准备清单 ---------- */
.page-contact .contact-prep {
  background: var(--deep-blue);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .prep-grid {
  display: grid;
  gap: clamp(1.6rem, 4vw, 3rem);
}

.page-contact .check-list {
  margin: clamp(1.3rem, 3vw, 1.9rem) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .check-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
  pointer-events: none;
}

.page-contact .check-label {
  display: grid;
  grid-template-columns: auto auto minmax(0, 1fr);
  align-items: start;
  gap: 0.75rem;
  min-height: 44px;
  padding: 1rem 0.25rem;
  cursor: pointer;
}

.page-contact .check-box {
  position: relative;
  width: 1.15rem;
  height: 1.15rem;
  margin-top: 0.2rem;
  background: rgba(7, 11, 22, 0.7);
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  transition: background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-contact .check-input:checked + .check-label .check-box {
  background: var(--neon-cyan);
  border-color: var(--neon-cyan);
}

.page-contact .check-input:checked + .check-label .check-box::after {
  content: "";
  position: absolute;
  left: 0.34rem;
  top: 0.1rem;
  width: 0.36rem;
  height: 0.66rem;
  border: solid var(--void-indigo);
  border-width: 0 2px 2px 0;
  transform: rotate(43deg);
}

.page-contact .check-input:focus-visible + .check-label .check-box {
  outline: 2px solid var(--focus-gold);
  outline-offset: 3px;
}

.page-contact .check-num {
  font-family: var(--font-mono);
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--electric-purple);
}

.page-contact .check-text {
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--parchment-muted);
}

.page-contact .check-text strong {
  display: block;
  margin-bottom: 0.15rem;
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--warm-paper);
  transition: color 0.18s var(--ease);
}

.page-contact .check-input:checked + .check-label .check-text strong {
  color: var(--neon-cyan);
}

.page-contact .prep-figure {
  margin: 0;
}

.page-contact .prep-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sharp);
}

.page-contact .prep-figure figcaption {
  margin-top: 0.75rem;
  font-size: 0.8rem;
  line-height: 1.7;
  color: var(--parchment-muted);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .contact-partner {
  background: var(--void-indigo);
}

.page-contact .partner-grid {
  display: grid;
  gap: var(--contact-gap);
}

.page-contact .partner-panel {
  padding: clamp(1.15rem, 2.6vw, 1.85rem);
  background: var(--ink-purple);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--electric-purple);
  border-radius: var(--radius-sharp);
}

.page-contact .partner-panel--orange {
  background: var(--ink-orange);
  border-left-color: var(--signal-orange);
}

.page-contact .partner-panel h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.15rem, 2.6vw, 1.45rem);
  letter-spacing: 0.01em;
  color: var(--warm-paper);
}

.page-contact .partner-panel p {
  margin: 0.8rem 0 0;
  font-size: 0.92rem;
  line-height: 1.8;
  color: var(--parchment-muted);
}

.page-contact .partner-panel .partner-hint {
  margin-top: 0.9rem;
  padding-top: 0.8rem;
  border-top: 1px dashed var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.04em;
  color: var(--warm-paper);
}

.page-contact .partner-mail {
  margin: 1.4rem 0 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--parchment-muted);
}

.page-contact .partner-mail .data {
  color: var(--neon-cyan);
  word-break: break-all;
}

/* ---------- 地址 ---------- */
.page-contact .contact-visit {
  background: var(--deep-blue);
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .visit-grid {
  display: grid;
  gap: clamp(1.4rem, 3.5vw, 2.6rem);
}

.page-contact .visit-details {
  margin-top: 1.3rem;
  border-top: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .visit-details summary {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0.7rem 0;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--neon-cyan);
  cursor: pointer;
  list-style: none;
}

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

.page-contact .visit-details summary::before {
  content: "+";
  margin-right: 0.6rem;
  color: var(--focus-gold);
}

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

.page-contact .visit-details summary:focus-visible {
  outline: 2px solid var(--focus-gold);
  outline-offset: 3px;
}

.page-contact .visit-details p {
  margin: 0 0 1rem;
  max-width: 32em;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--parchment-muted);
}

.page-contact .visit-map {
  position: relative;
  aspect-ratio: 4 / 3;
  background-color: rgba(7, 11, 22, 0.72);
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 25% 25%, 25% 25%;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sharp);
  overflow: hidden;
}

.page-contact .visit-map::before {
  content: "";
  position: absolute;
  inset: 28% 46% 44% 26%;
  background: rgba(255, 90, 54, 0.2);
  border: 1px solid var(--signal-orange);
  box-shadow: 0 0 26px rgba(255, 90, 54, 0.26);
}

.page-contact .visit-map::after {
  content: "";
  position: absolute;
  inset: 12% 12% 62% 62%;
  background: rgba(56, 242, 225, 0.12);
  border: 1px solid rgba(56, 242, 225, 0.5);
}

.page-contact .map-tag {
  position: absolute;
  left: 26%;
  bottom: 38%;
  padding: 0.2rem 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.08em;
  color: var(--warm-paper);
  background: rgba(7, 11, 22, 0.85);
  border: 1px solid var(--signal-orange);
}

/* ---------- 时间与回复 ---------- */
.page-contact .contact-response {
  background: var(--void-indigo);
}

.page-contact .response-track {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sharp);
  overflow: hidden;
}

.page-contact .response-track > li {
  display: grid;
  gap: 0.35rem;
  padding: 1rem clamp(0.9rem, 2.2vw, 1.35rem);
  background: rgba(13, 24, 48, 0.74);
}

.page-contact .response-time {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.04em;
  color: var(--electric-purple);
}

.page-contact .response-body {
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--parchment-muted);
}

/* ---------- 快捷去处 ---------- */
.page-contact .contact-shortcuts {
  padding: 0 0 var(--contact-pad);
  background: var(--void-indigo);
}

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

.page-contact .shortcut-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  min-height: 44px;
  padding: 0.85rem 1rem;
  font-size: 0.9rem;
  line-height: 1.5;
  color: var(--warm-paper);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-sharp);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-contact .shortcut-list a::after {
  content: "→";
  color: var(--neon-cyan);
  font-family: var(--font-mono);
}

.page-contact .shortcut-list a:hover {
  color: var(--neon-cyan);
  border-color: var(--neon-cyan);
  background: rgba(56, 242, 225, 0.06);
}

.page-contact .shortcut-list a:focus-visible {
  outline: 2px solid var(--focus-gold);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .response-track > li {
    grid-template-columns: minmax(0, 14rem) minmax(0, 1fr);
    align-items: baseline;
    gap: 1.5rem;
  }

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

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 4.5vw, 4rem);
  }

  .page-contact .duty-card {
    margin-top: 0.4rem;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }

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

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-btn,
  .page-contact .check-box,
  .page-contact .check-text strong,
  .page-contact .shortcut-list a,
  .page-contact .breadcrumb-list a {
    transition: none;
  }
}
<<<END>>>