.page-contact {
  --contact-gap: clamp(2.4rem, 6vw, 5.2rem);
  --contact-cyan-soft: rgba(53, 242, 223, .42);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(2rem, 5vw, 3.4rem) 0 var(--contact-gap);
  isolation: isolate;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -22%;
  right: -14%;
  width: min(720px, 78%);
  height: min(720px, 108%);
  background:
    radial-gradient(circle at 68% 32%, rgba(53, 242, 223, .16), transparent 62%),
    radial-gradient(circle at 30% 74%, rgba(255, 79, 216, .13), transparent 60%);
  transform: rotate(-7deg);
  pointer-events: none;
  z-index: -1;
}

.page-contact .hero-head {
  margin-top: clamp(1.2rem, 3vw, 2rem);
  max-width: 62rem;
}

.page-contact .hero-head .display-l {
  margin: .5rem 0 0;
  font-weight: 200;
  letter-spacing: -.03em;
  line-height: 1.12;
  overflow-wrap: anywhere;
}

.page-contact .hero-head .lede {
  margin-top: clamp(1rem, 2.4vw, 1.5rem);
  max-width: 46ch;
  color: var(--ice-soft);
}

.page-contact .hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 3.2rem);
  margin-top: clamp(2rem, 5vw, 3.6rem);
  align-items: start;
}

/* ---------- 渠道列表 ---------- */
.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .channel-item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: .5rem;
  padding: 1.25rem 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-label {
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-contact .channel-body {
  min-width: 0;
}

.page-contact .channel-value {
  display: inline-block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(1rem, 3.4vw, 1.3rem);
  color: var(--ice);
  text-decoration: none;
  overflow-wrap: anywhere;
  border-bottom: 1px solid var(--contact-cyan-soft);
  padding-bottom: .12rem;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-contact .channel-value--plain {
  border-bottom-color: var(--line);
  font-family: var(--font-body);
  font-size: clamp(.95rem, 3vw, 1.1rem);
  line-height: 1.5;
}

.page-contact .channel-note {
  margin: .6rem 0 0;
  max-width: 52ch;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .copy-btn {
  margin-top: .85rem;
  padding: .45rem .95rem;
  background: transparent;
  border: 1px solid var(--line-strong);
  border-radius: 2px;
  color: var(--ice-soft);
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .1em;
  cursor: pointer;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  color: var(--void);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .copy-status {
  display: inline-block;
  min-height: 1em;
  margin-left: .6rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--cyan);
}

/* ---------- 路由图 ---------- */
.page-contact .route-figure {
  margin: 0;
  min-width: 0;
}

.page-contact .route-figure .media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background:
    linear-gradient(150deg, rgba(53, 242, 223, .14), rgba(5, 7, 12, .92) 56%, rgba(255, 79, 216, .12));
  clip-path: polygon(0 0, 100% 0, 100% 86%, 82% 100%, 0 100%);
}

.page-contact .route-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .route-caption {
  margin-top: .8rem;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .1em;
  line-height: 1.6;
  color: var(--mist);
}

/* ---------- 响应时段 ---------- */
.page-contact .response-band {
  background: var(--carbon);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .response-top {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .response-copy .display-l {
  margin: .5rem 0 0;
  font-weight: 200;
  letter-spacing: -.025em;
  line-height: 1.18;
  overflow-wrap: anywhere;
}

.page-contact .response-copy .prose {
  margin-top: 1.1rem;
  max-width: 60ch;
  color: var(--ice-soft);
}

.page-contact .response-list {
  list-style: none;
  margin: 1.5rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-contact .response-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .35rem .9rem;
  padding-bottom: .85rem;
  border-bottom: 1px solid var(--line);
  font-size: .88rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .response-list .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.15rem;
  color: var(--magenta);
  letter-spacing: -.01em;
  white-space: nowrap;
}

.page-contact .response-figure {
  margin: 0;
  min-width: 0;
}

.page-contact .response-figure .media-frame {
  border: 1px solid var(--line);
  background: rgba(234, 246, 255, .04);
  overflow: hidden;
}

.page-contact .response-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .response-clock {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .8rem clamp(1rem, 3vw, 2rem);
  margin-top: clamp(2rem, 5vw, 3.4rem);
  padding-top: clamp(1.4rem, 3vw, 2.2rem);
  border-top: 1px solid var(--line);
}

.page-contact .clock-range {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(2.4rem, 12vw, 7.6rem);
  font-weight: 300;
  line-height: .95;
  letter-spacing: -.05em;
  color: var(--ice);
}

.page-contact .clock-range--end {
  color: var(--cyan);
}

.page-contact .clock-dash {
  flex: 1 1 2.5rem;
  min-width: 2rem;
  height: 2px;
  background: linear-gradient(90deg, var(--cyan), var(--magenta));
}

.page-contact .clock-caption {
  flex: 1 1 100%;
  margin: 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--mist);
}

/* ---------- 来意分流 ---------- */
.page-contact .intent-band .section-head .lede {
  max-width: 54ch;
  color: var(--ice-soft);
}

.page-contact .intent-grid {
  list-style: none;
  margin: clamp(1.6rem, 4vw, 2.6rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(.9rem, 2vw, 1.3rem);
}

.page-contact .intent-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: .5rem;
  padding: 1.5rem 1.3rem 1.6rem;
  border: 1px solid var(--line);
  background: linear-gradient(165deg, rgba(234, 246, 255, .07), rgba(11, 16, 24, .72) 62%);
  overflow: hidden;
}

.page-contact .intent-card::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 48%;
  height: 2px;
  background: var(--cyan);
}

.page-contact .intent-card::after {
  content: "";
  position: absolute;
  right: 0;
  bottom: 0;
  width: 2.4rem;
  height: 2.4rem;
  background: linear-gradient(135deg, transparent 50%, rgba(255, 200, 87, .32) 50%);
  pointer-events: none;
}

.page-contact .intent-card:nth-child(2)::before {
  background: var(--magenta);
}

.page-contact .intent-card:nth-child(3)::before {
  background: var(--amber);
}

.page-contact .intent-card:nth-child(4)::before {
  background: var(--ice-soft);
}

.page-contact .intent-card .tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .intent-card h3 {
  margin: .2rem 0 0;
  font-size: clamp(1rem, 2.6vw, 1.12rem);
  font-weight: 500;
  line-height: 1.45;
  color: var(--ice);
}

.page-contact .intent-card p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .intent-subject {
  margin-top: .3rem !important;
  padding-top: .6rem;
  border-top: 1px dashed var(--line);
  font-family: var(--font-mono) !important;
  font-size: .7rem !important;
  letter-spacing: .03em;
  color: var(--amber) !important;
  overflow-wrap: anywhere;
}

.page-contact .intent-link {
  margin-top: auto;
  padding-top: .6rem;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .08em;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--contact-cyan-soft);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .intent-link:hover,
.page-contact .intent-link:focus-visible {
  color: var(--ice);
  border-color: var(--ice);
}

/* ---------- 合作与媒体 ---------- */
.page-contact .collab-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.8rem, 4vw, 3.2rem);
  align-items: start;
}

.page-contact .collab-intro .display-l {
  margin: .5rem 0 0;
  font-weight: 200;
  letter-spacing: -.025em;
  line-height: 1.18;
  overflow-wrap: anywhere;
}

.page-contact .collab-intro .prose {
  margin-top: 1.1rem;
  max-width: 52ch;
  color: var(--ice-soft);
}

.page-contact .collab-intro .note {
  margin-top: 1.3rem;
  max-width: 52ch;
}

.page-contact .collab-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-block: 1px solid var(--line);
}

.page-contact .collab-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: .9rem;
  padding: 1.3rem .5rem 1.4rem 1.1rem;
  background: var(--void);
}

.page-contact .collab-index {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .8rem;
  letter-spacing: .06em;
  color: var(--cyan);
  padding-top: .18rem;
}

.page-contact .collab-body {
  min-width: 0;
}

.page-contact .collab-body h3 {
  margin: 0 0 .45rem;
  font-size: 1.02rem;
  font-weight: 500;
  color: var(--ice);
}

.page-contact .collab-body p {
  margin: 0;
  font-size: .875rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 地址与相关页面 ---------- */
.page-contact .address-band {
  background: var(--carbon);
  border-top: 1px solid var(--line);
}

.page-contact .address-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.6rem, 4vw, 3rem);
  align-items: start;
}

.page-contact .address-main h2 {
  margin: .5rem 0 0;
  font-size: clamp(1.2rem, 3.4vw, 1.6rem);
  font-weight: 300;
  letter-spacing: -.01em;
  color: var(--ice);
}

.page-contact .address-text {
  display: block;
  margin-top: 1rem;
  font-style: normal;
  font-family: var(--font-display);
  font-size: clamp(1.25rem, 4.4vw, 2rem);
  font-weight: 300;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ice);
  overflow-wrap: anywhere;
}

.page-contact .address-note {
  margin: .9rem 0 0;
  max-width: 44ch;
  font-size: .85rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .related h3 {
  margin: 0 0 .4rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .14em;
  color: var(--mist);
  font-weight: 400;
  text-transform: uppercase;
}

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

.page-contact .related-links li {
  border-bottom: 1px solid var(--line);
}

.page-contact .related-links a {
  display: flex;
  align-items: baseline;
  gap: .7rem;
  padding: .85rem 0;
  font-size: .9rem;
  line-height: 1.55;
  color: var(--ice-soft);
  text-decoration: none;
  transition: color .2s var(--ease);
}

.page-contact .related-links a::before {
  content: "→";
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: .8rem;
  color: var(--cyan);
}

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

/* ---------- 桌面与平板 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-item {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: .2rem 1.4rem;
    align-items: baseline;
  }

  .page-contact .response-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.6rem;
  }
}

@media (min-width: 760px) {
  .page-contact .intent-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .response-top {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .collab-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
  }

  .page-contact .address-grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }
}

@media (min-width: 1100px) {
  .page-contact .intent-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .hero-head .display-l {
    max-width: 24ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-value,
  .page-contact .copy-btn,
  .page-contact .intent-link,
  .page-contact .related-links a {
    transition: none;
  }
}
<<<END>>>