.page-contact {
  --contact-accent: var(--signal-cyan);
  background: var(--bg);
  color: var(--text);
}

.page-contact .mono {
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: 0.08em;
}

.page-contact .contact-h2 {
  margin: 0.4rem 0 0.8rem;
  font-family: var(--font-display);
  font-weight: 300;
  letter-spacing: -0.025em;
  color: var(--frost);
}

.page-contact .contact-lede {
  max-width: 56ch;
  margin: 0 0 1.6rem;
  color: var(--text-dim);
  font-size: var(--step-16);
  line-height: 1.8;
}

/* ---------- 首屏通信面板 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: 1.4rem 0 clamp(2.2rem, 6vw, 4rem);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(57, 230, 208, 0.1), transparent 62%),
    linear-gradient(180deg, var(--ink-950) 0%, var(--ink-900) 78%, var(--ink-950) 100%);
}

.page-contact .contact-hero__wave {
  position: absolute;
  inset: auto 0 12% 0;
  width: 100%;
  height: 150px;
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.4rem, 4vw, 2.6rem);
  margin-top: 1.2rem;
}

.page-contact .contact-hero__title {
  margin: 0.5rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(2.3rem, 8vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.035em;
  color: var(--frost);
}

.page-contact .contact-hero__title em {
  display: block;
  font-style: normal;
  font-weight: 600;
  color: var(--signal-cyan);
}

.page-contact .contact-hero__text {
  max-width: 48ch;
  margin: 0;
  font-size: var(--step-16);
  line-height: 1.85;
  color: var(--text);
}

.page-contact .contact-hero__text strong {
  color: var(--frost);
  font-weight: 600;
}

.page-contact .contact-quick {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.page-contact .quick-card {
  padding: 0.95rem 1rem 1.05rem;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 5px 5px 0 -1px rgba(7, 17, 28, 0.92), 5px 5px 0 0 var(--grid-blue);
}

.page-contact .quick-card__label {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

.page-contact .quick-card__label::before {
  content: "";
  width: 16px;
  height: 2px;
  background: var(--signal-cyan);
}

.page-contact .quick-card__note {
  margin: 0.6rem 0 0;
  font-size: var(--step-14);
  line-height: 1.7;
  color: var(--text-dim);
}

.page-contact .copy-chip {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.15rem 0.6rem;
  max-width: 100%;
  padding: 0.45rem 0.7rem;
  border: 1px solid var(--line-signal);
  border-left-width: 3px;
  background: var(--ink-800);
  color: var(--frost);
  font-family: var(--font-mono);
  font-size: var(--step-14);
  letter-spacing: 0.02em;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .copy-chip:hover,
.page-contact .copy-chip:focus-visible {
  border-color: var(--signal-cyan);
  background: var(--ink-950);
  transform: translateY(-1px);
}

.page-contact .copy-chip__text {
  overflow-wrap: anywhere;
}

.page-contact .copy-chip__hint {
  font-size: var(--step-12);
  color: var(--sage);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

/* 合作方向索引 */
.page-contact .coop-index {
  align-self: start;
  border: 1px solid var(--line);
  background: var(--surface);
  box-shadow: 6px 6px 0 -1px rgba(7, 17, 28, 0.9), 6px 6px 0 0 var(--grid-blue);
}

.page-contact .coop-index__head {
  display: flex;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.7rem 1rem;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: 0.14em;
  color: var(--text-dim);
}

.page-contact .coop-index__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .coop-index__item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.15rem 0.5rem;
  padding: 0.8rem 1rem;
  border-bottom: 1px dashed var(--line-soft);
  border-left: 3px solid transparent;
  transition: background var(--dur) var(--ease), border-left-color var(--dur) var(--ease);
}

.page-contact .coop-index__item:last-child {
  border-bottom: 0;
}

.page-contact .coop-index__item:hover,
.page-contact .coop-index__item:focus-within {
  background: var(--ink-800);
  border-left-color: var(--signal-cyan);
}

.page-contact .coop-index__no {
  grid-row: span 2;
  padding-top: 0.2rem;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  color: var(--sage);
}

.page-contact .coop-index__name {
  font-weight: 600;
  color: var(--frost);
}

.page-contact .coop-index__fit {
  font-family: var(--font-mono);
  font-size: var(--step-12);
  line-height: 1.6;
  color: var(--text-dim);
  opacity: 0.82;
  transition: opacity var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .coop-index__item:hover .coop-index__fit {
  opacity: 1;
  color: var(--signal-cyan);
}

/* ---------- 通道面板 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
  margin-bottom: clamp(1.8rem, 4vw, 2.6rem);
}

.page-contact .channel-card {
  --accent: var(--grid-blue);
  position: relative;
  padding: 1.05rem 1.05rem 1.2rem;
  border: 1px solid var(--line);
  background: var(--surface);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 56px;
  height: 3px;
  background: var(--accent);
}

.page-contact .channel-card--cyan { --accent: var(--signal-cyan); }
.page-contact .channel-card--sage { --accent: var(--sage); }
.page-contact .channel-card--amber { --accent: var(--amber); }

.page-contact .channel-card__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
  padding-top: 0.35rem;
}

.page-contact .channel-card__code {
  color: var(--sage);
  letter-spacing: 0.16em;
}

.page-contact .channel-card__title {
  margin: 0.55rem 0 0.4rem;
  font-family: var(--font-display);
  font-size: var(--step-24);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-16);
  line-height: 1.5;
  overflow-wrap: anywhere;
  color: var(--signal-cyan);
}

.page-contact .channel-card__value--addr {
  font-size: var(--step-14);
  line-height: 1.7;
  color: var(--amber);
}

.page-contact .channel-card__scene {
  margin: 0.7rem 0 0;
  font-size: var(--step-14);
  line-height: 1.8;
  color: var(--text-dim);
}

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

/* ---------- 咨询准备 ---------- */
.page-contact .contact-brief__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.6rem);
  align-items: start;
}

.page-contact .brief-list {
  margin: 0 0 1.3rem;
  padding: 0;
  list-style: none;
}

.page-contact .brief-list__item {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  gap: 0.2rem 0.7rem;
  padding: 0.9rem 0;
  border-top: 1px solid var(--line-soft);
}

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

.page-contact .brief-list__no {
  grid-row: span 2;
  padding-top: 0.3rem;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: 0.12em;
  color: var(--signal-cyan);
}

.page-contact .brief-list__term {
  font-weight: 600;
  color: var(--frost);
}

.page-contact .brief-list__desc {
  font-size: var(--step-14);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .brief-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-bottom: 1rem;
}

.page-contact .brief-note {
  margin: 0;
  font-size: var(--step-14);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .brief-note a {
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-signal);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-contact .brief-note a:hover,
.page-contact .brief-note a:focus-visible {
  border-bottom-color: var(--signal-cyan);
  color: var(--frost);
}

.page-contact .contact-brief__figure {
  margin: 0;
}

/* ---------- 合作方向 ---------- */
.page-contact .contact-coop {
  background: var(--ink-900);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .coop-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.page-contact .coop-item {
  padding: 1.05rem 1.05rem 1.15rem;
  border: 1px solid var(--line);
  border-left: 4px solid var(--grid-blue);
  background: var(--ink-950);
  transition: border-left-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .coop-item:hover,
.page-contact .coop-item:focus-within {
  border-left-color: var(--signal-cyan);
  transform: translateX(2px);
}

.page-contact .coop-item__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.6rem;
}

.page-contact .coop-item__code {
  color: var(--sage);
  letter-spacing: 0.16em;
}

.page-contact .coop-item__title {
  margin: 0.55rem 0 0.45rem;
  font-family: var(--font-display);
  font-size: var(--step-24);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-contact .coop-item__desc {
  margin: 0 0 0.75rem;
  font-size: var(--step-14);
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .coop-item__fit {
  margin: 0;
  padding-top: 0.6rem;
  border-top: 1px dashed var(--line-soft);
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: 0.05em;
  color: var(--sage);
}

/* ---------- 服务时段 ---------- */
.page-contact .service-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
  margin-bottom: 1.6rem;
}

.page-contact .info-panel {
  --panel-accent: var(--signal-cyan);
  padding: 1.1rem 1.1rem 1.25rem;
  border: 1px solid var(--line);
  border-top: 3px solid var(--panel-accent);
  background: var(--surface);
}

.page-contact .info-panel--amber {
  --panel-accent: var(--amber);
}

.page-contact .info-panel__title {
  margin: 0 0 0.9rem;
  font-family: var(--font-display);
  font-size: var(--step-24);
  font-weight: 400;
  letter-spacing: -0.01em;
  color: var(--frost);
}

.page-contact .hours {
  margin: 0 0 0.9rem;
}

.page-contact .hours__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.2rem 1rem;
  padding: 0.6rem 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .hours__term {
  font-size: var(--step-14);
  color: var(--text-dim);
}

.page-contact .hours__val {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: 0.04em;
  color: var(--mist);
}

.page-contact .info-panel__note,
.page-contact .info-panel__para {
  margin: 0 0 0.6rem;
  font-size: var(--step-14);
  line-height: 1.8;
  color: var(--text-dim);
}

.page-contact .info-panel__note:last-child,
.page-contact .info-panel__para:last-child {
  margin-bottom: 0;
}

.page-contact .info-panel__addr {
  margin: 0 0 0.9rem;
  padding: 0.7rem 0.8rem;
  border-left: 3px solid var(--amber);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: var(--step-14);
  line-height: 1.8;
  color: var(--amber);
}

.page-contact .contact-strip {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.4rem 1.5rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  background: var(--ink-800);
  font-family: var(--font-mono);
  font-size: var(--step-12);
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-contact .contact-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.4rem;
}

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

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

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

@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding-top: 1.8rem;
  }

  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .contact-hero__wave {
    height: 200px;
    inset: auto 0 18% 0;
  }

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

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

  .page-contact .coop-index__item {
    padding: 0.9rem 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .copy-chip,
  .page-contact .coop-index__item,
  .page-contact .coop-item,
  .page-contact .coop-index__fit,
  .page-contact .brief-note a {
    transition: none;
  }

  .page-contact .copy-chip:hover,
  .page-contact .coop-item:hover {
    transform: none;
  }
}
<<<END>>>