.page-contact {
  --contact-block: clamp(2.75rem, 7vw, 5.5rem);
  --contact-hair: 1px solid var(--line-soft);
  --contact-card: rgba(17, 20, 23, 0.62);
  display: block;
}

/* 首屏：左叙事，右联系卡 */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-block: clamp(1.25rem, 3vw, 2rem) var(--contact-block);
}

.page-contact .hero-copy h1 {
  margin: 0.55rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(2.6rem, 9vw, 5.2rem);
  font-weight: 800;
  line-height: 0.94;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-block: 1.5rem 2rem;
}

.page-contact .hero-meta {
  display: grid;
  gap: 0.75rem;
  margin: 0;
  padding: 1rem 0 0;
  list-style: none;
  border-top: var(--contact-hair);
}

.page-contact .hero-meta li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.55rem;
}

.page-contact .hero-meta .num {
  font-family: var(--font-num);
  font-size: 1rem;
  letter-spacing: 0.04em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .hero-meta em {
  font-style: normal;
  font-size: 0.875rem;
  color: var(--muted);
}

.page-contact .hero-figure {
  position: relative;
  margin: 0;
  min-height: clamp(230px, 46vw, 430px);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink-800);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 30px), calc(100% - 30px) 100%, 0 100%);
}

.page-contact .hero-figure img {
  position: absolute;
  inset: 0;
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.78;
}

.page-contact .hero-figure::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(53, 242, 208, 0.09) 0 1px, transparent 1px 56px),
    repeating-linear-gradient(0deg, rgba(147, 170, 161, 0.07) 0 1px, transparent 1px 56px),
    linear-gradient(180deg, rgba(10, 31, 26, 0.15), rgba(10, 31, 26, 0.85));
}

.page-contact .hero-figure .media-cap {
  position: absolute;
  left: 1rem;
  bottom: 0.9rem;
  z-index: 2;
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

/* 场景 + 通道分屏 */
.page-contact .scene-split {
  display: grid;
  gap: clamp(2rem, 4vw, 3rem);
  padding-block: var(--contact-block);
  border-top: var(--contact-hair);
}

.page-contact .scene-list {
  display: grid;
  gap: 0.55rem;
  margin-top: 1.6rem;
}

.page-contact .scene {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.35rem 1.1rem;
  padding: 1.1rem 1.1rem 1.15rem 1rem;
  border-left: 3px solid var(--ink-600);
  background: linear-gradient(100deg, rgba(23, 51, 43, 0.55), rgba(17, 20, 23, 0.25) 72%);
  cursor: pointer;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 14px), calc(100% - 14px) 100%, 0 100%);
  transition: border-color 220ms var(--ease), background 220ms var(--ease), transform 220ms var(--ease);
}

.page-contact .scene:hover {
  border-left-color: var(--amber);
  transform: translateX(2px);
}

.page-contact .scene:has(.scene-input:checked) {
  border-left-color: var(--cyan);
  background: linear-gradient(100deg, var(--cyan-soft), rgba(17, 20, 23, 0.38) 74%);
}

.page-contact .scene:has(.scene-input:checked) .scene-index {
  color: var(--cyan);
}

.page-contact .scene:has(.scene-input:focus-visible) {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

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

.page-contact .scene-index {
  padding-top: 0.15rem;
  font-family: var(--font-num);
  font-size: 0.875rem;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-contact .scene-body {
  display: grid;
  gap: 0.35rem;
}

.page-contact .scene-name {
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .scene-desc {
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .channel-rail {
  display: grid;
  gap: 0.8rem;
  align-content: start;
}

.page-contact .channel {
  position: relative;
  padding: 1.15rem 1.15rem 1.3rem 1.25rem;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--ink-600);
  background: var(--contact-card);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 18px), calc(100% - 18px) 100%, 0 100%);
  transition: border-color 220ms var(--ease), background 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-contact .channel-title {
  margin: 0.3rem 0 0;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .channel-value {
  display: block;
  margin: 0.4rem 0 0.6rem;
  font-family: var(--font-num);
  font-size: clamp(0.95rem, 2.4vw, 1.15rem);
  letter-spacing: 0.02em;
  line-height: 1.45;
  color: var(--cyan);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid transparent;
}

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

.page-contact .channel--phone .channel-value {
  color: var(--amber);
}

.page-contact .channel--phone a.channel-value:hover,
.page-contact .channel--phone a.channel-value:focus-visible {
  border-bottom-color: var(--amber);
}

.page-contact .channel--post .channel-value {
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 1rem;
}

.page-contact .channel--post::after {
  content: "";
  position: absolute;
  right: 0.75rem;
  top: 0.85rem;
  width: 44px;
  height: 44px;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(90deg, rgba(242, 184, 75, 0.28) 0 1px, transparent 1px 11px),
    repeating-linear-gradient(0deg, rgba(242, 184, 75, 0.2) 0 1px, transparent 1px 11px);
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--muted);
}

.page-contact .rail-foot {
  margin: 0;
  padding-top: 0.85rem;
  border-top: var(--contact-hair);
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .scene-split:has(#scene-fix:checked) .channel--mail,
.page-contact .scene-split:has(#scene-schedule:checked) .channel--mail,
.page-contact .scene-split:has(#scene-data:checked) .channel--mail,
.page-contact .scene-split:has(#scene-data:checked) .channel--phone {
  border-color: rgba(53, 242, 208, 0.45);
  border-left-color: var(--cyan);
  background: rgba(23, 51, 43, 0.82);
  box-shadow: 0 0 0 1px rgba(53, 242, 208, 0.14);
}

/* 准备三样 */
.page-contact .prepare {
  padding-block: var(--contact-block);
  border-top: var(--contact-hair);
}

.page-contact .prepare-list {
  display: grid;
  gap: 0.9rem;
  margin: 1.9rem 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .prepare-item {
  padding: 1.2rem 1.1rem 1.35rem;
  border-top: 2px solid var(--ink-600);
  background: linear-gradient(165deg, rgba(23, 51, 43, 0.72), rgba(10, 31, 26, 0.18));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-contact .prepare-index {
  display: block;
  margin-bottom: 0.5rem;
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .prepare-item h3 {
  margin: 0 0 0.45rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .prepare-item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--muted);
}

/* 响应路径 */
.page-contact .response {
  padding-block: var(--contact-block);
  border-top: var(--contact-hair);
}

.page-contact .response-head {
  display: grid;
  gap: 1.5rem;
}

.page-contact .response-figure {
  margin: 0;
  border: 1px solid var(--line-soft);
  background: var(--ink-800);
  overflow: hidden;
}

.page-contact .response-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  opacity: 0.8;
}

.page-contact .response-figure .media-cap {
  display: block;
  padding: 0.6rem 0.9rem;
  font-family: var(--font-num);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

.page-contact .timeline {
  position: relative;
  display: grid;
  gap: 0;
  margin: clamp(2rem, 4vw, 3rem) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .tl-step {
  position: relative;
  padding: 0 0 1.35rem 1.25rem;
  border-left: 1px solid var(--line-soft);
}

.page-contact .tl-step:last-child {
  padding-bottom: 0;
}

.page-contact .tl-time {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.08em;
  color: var(--amber);
  font-variant-numeric: tabular-nums;
}

.page-contact .tl-name {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .tl-step p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.72;
  color: var(--muted);
  transition: color 220ms var(--ease);
}

.page-contact .tl-step:hover p {
  color: var(--paper);
}

/* 合作与纠错说明 */
.page-contact .scope {
  padding-block: var(--contact-block);
  border-top: var(--contact-hair);
}

.page-contact .scope-grid {
  display: grid;
  gap: 0.9rem;
  margin-top: 1.9rem;
}

.page-contact .scope-card {
  padding: 1.35rem 1.2rem 1.45rem;
  background: var(--contact-card);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--amber);
}

.page-contact .scope-card:last-child {
  border-left-color: var(--rose);
}

.page-contact .scope-card h3 {
  margin: 0 0 0.7rem;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.6rem);
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .scope-card p {
  margin: 0 0 0.8rem;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .scope-card p:last-child {
  margin-bottom: 0;
}

/* 快捷入口 */
.page-contact .quick {
  padding-block: var(--contact-block);
  border-top: var(--contact-hair);
}

.page-contact .link-grid {
  display: grid;
  gap: 0.8rem;
  margin-top: 1.75rem;
}

.page-contact .link-card {
  display: block;
  padding: 1.15rem 1.1rem 1.3rem;
  text-decoration: none;
  border: 1px solid var(--line-soft);
  background: var(--contact-card);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
  transition: border-color 220ms var(--ease), transform 220ms var(--ease), background 220ms var(--ease);
}

.page-contact .link-card:hover,
.page-contact .link-card:focus-visible {
  border-color: rgba(53, 242, 208, 0.5);
  background: rgba(23, 51, 43, 0.7);
  transform: translateY(-2px);
}

.page-contact .link-card h3 {
  margin: 0 0 0.45rem;
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .link-card p {
  margin: 0 0 0.85rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .link-go {
  font-family: var(--font-num);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-contact .prepare-list,
  .page-contact .scope-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 720px) {
  .page-contact .link-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .hero-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.5rem;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: stretch;
  }

  .page-contact .hero-figure {
    height: 100%;
    min-height: 380px;
  }

  .page-contact .response-head {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.78fr);
    align-items: end;
    gap: 2.5rem;
  }
}

@media (min-width: 960px) {
  .page-contact .scene-split {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
    gap: 3rem;
  }

  .page-contact .channel-rail {
    position: sticky;
    top: 104px;
  }

  .page-contact .prepare-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-contact .timeline {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    padding-top: 2rem;
    border-top: 1px solid var(--line);
    background-image: repeating-linear-gradient(90deg, rgba(147, 170, 161, 0.35) 0 1px, transparent 1px 14px);
    background-repeat: repeat-x;
    background-size: auto 7px;
    background-position: 0 0;
  }

  .page-contact .tl-step {
    padding: 0 1.25rem 0 0;
    border-left: 0;
  }

  .page-contact .tl-step:last-child {
    padding-right: 0;
  }

  .page-contact .tl-step::before {
    content: "";
    position: absolute;
    left: 0;
    top: -2.3rem;
    width: 9px;
    height: 9px;
    border-radius: 50%;
    background: var(--cyan);
    box-shadow: 0 0 0 4px rgba(53, 242, 208, 0.14);
  }

  .page-contact .tl-step:nth-child(2)::before {
    background: var(--amber);
    box-shadow: 0 0 0 4px rgba(242, 184, 75, 0.16);
  }

  .page-contact .tl-step:nth-child(4)::before {
    background: var(--muted);
    box-shadow: 0 0 0 4px rgba(147, 170, 161, 0.16);
  }
}

@media (min-width: 1080px) {
  .page-contact .link-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .scene,
  .page-contact .channel,
  .page-contact .link-card,
  .page-contact .tl-step p {
    transition: none;
  }

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