.page-contact {
  --pc-card: linear-gradient(158deg, rgba(35, 35, 58, .72), rgba(16, 16, 24, .94));
  --pc-line: rgba(35, 35, 58, .92);
  position: relative;
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-intro {
  position: relative;
  padding: calc(var(--header-h) + 32px) 0 0;
  overflow: hidden;
}

.page-contact .contact-intro::before {
  content: "";
  position: absolute;
  left: 50%;
  top: -22%;
  width: min(1150px, 140%);
  height: 540px;
  transform: translateX(-50%) rotate(-7deg);
  background:
    radial-gradient(46% 62% at 20% 42%, rgba(138, 43, 226, .42), transparent 72%),
    radial-gradient(44% 58% at 80% 24%, rgba(0, 229, 255, .26), transparent 72%);
  pointer-events: none;
}

.page-contact .contact-intro::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(0, 229, 255, .07) 1px, transparent 1px),
    linear-gradient(90deg, rgba(0, 229, 255, .07) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(70% 62% at 50% 18%, #000, transparent 76%);
  mask-image: radial-gradient(70% 62% at 50% 18%, #000, transparent 76%);
  pointer-events: none;
}

.page-contact .contact-intro .breadcrumb,
.page-contact .contact-intro-grid,
.page-contact .contact-hero-media {
  position: relative;
  z-index: 1;
}

.page-contact .contact-intro-grid {
  display: grid;
  gap: 26px;
  margin-top: 22px;
}

.page-contact .contact-intro-copy .display-1 {
  margin: 10px 0 16px;
}

.page-contact .contact-intro-copy .lede {
  max-width: 60ch;
}

.page-contact .contact-pulse {
  padding: 22px 24px;
  border-radius: var(--radius);
  border: 1px solid var(--pc-line);
  background: rgba(22, 22, 31, .82);
  backdrop-filter: blur(8px);
  align-self: end;
}

.page-contact .contact-pulse-label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cool);
  text-transform: uppercase;
}

.page-contact .contact-pulse-time {
  margin: 0 0 16px;
  font-size: 30px;
  line-height: 1.1;
  font-weight: 700;
  color: var(--cyan);
  font-family: var(--font-mono);
  text-shadow: var(--glow-cyan);
}

.page-contact .contact-pulse ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 9px;
}

.page-contact .contact-pulse li {
  position: relative;
  padding-left: 17px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cool);
}

.page-contact .contact-pulse li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--purple);
  box-shadow: 0 0 10px rgba(138, 43, 226, .85);
}

.page-contact .contact-hero-media {
  margin-top: 34px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--pc-line);
  overflow: hidden;
}

/* ---------- 通道与侧栏 ---------- */
.page-contact .contact-main-grid {
  display: grid;
  gap: 22px;
  margin-top: 30px;
}

.page-contact .contact-lanes {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .contact-lane {
  position: relative;
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 16px;
  padding: 22px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--pc-line);
  background: var(--pc-card);
  transition: transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}

.page-contact .contact-lane::before {
  content: "";
  position: absolute;
  inset: 0;
  border-radius: inherit;
  padding: 1px;
  background: linear-gradient(132deg, rgba(138, 43, 226, .8), rgba(0, 229, 255, .6) 46%, rgba(255, 45, 155, .35) 74%, transparent 92%);
  -webkit-mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  mask: linear-gradient(#000 0 0) content-box, linear-gradient(#000 0 0);
  -webkit-mask-composite: xor;
  mask-composite: exclude;
  opacity: .45;
  pointer-events: none;
  transition: opacity .18s ease;
}

.page-contact .contact-lane:hover {
  transform: translateY(-3px);
  border-color: transparent;
  box-shadow: var(--shell-shadow);
}

.page-contact .contact-lane:hover::before {
  opacity: 1;
}

.page-contact .contact-lane-index {
  display: block;
  font-size: 24px;
  line-height: 1;
  color: var(--cyan);
  letter-spacing: .04em;
}

.page-contact .contact-lane-title {
  margin: 0 0 4px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ice);
}

.page-contact .contact-value {
  margin: 6px 0 12px;
  font-size: 16px;
  line-height: 1.55;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .contact-lane-desc {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--cool);
}

.page-contact .contact-lane .chip-row {
  margin: 0;
}

.page-contact .contact-side {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .contact-map {
  margin: 0;
  border-radius: var(--radius);
  border: 1px solid var(--pc-line);
  background: var(--space);
  overflow: hidden;
}

.page-contact .contact-map .media-frame {
  aspect-ratio: 3 / 2;
  border-radius: 0;
}

.page-contact .contact-map figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--pc-line);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--cool);
}

.page-contact .contact-note {
  padding: 22px 20px 20px;
  border-radius: var(--radius);
  border: 1px solid var(--pc-line);
  background: rgba(22, 22, 31, .7);
}

.page-contact .contact-note--cyan {
  border-left: 3px solid var(--cyan);
}

.page-contact .contact-note h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ice);
}

.page-contact .contact-note > p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--cool);
}

.page-contact .contact-checklist {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 11px;
}

.page-contact .contact-checklist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  font-size: 14px;
  line-height: 1.68;
  color: var(--ice);
}

.page-contact .contact-checklist .mono {
  font-size: 12px;
  padding-top: .32em;
  color: var(--cyan);
}

.page-contact .contact-note-foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--pc-line);
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--cool);
}

/* ---------- 商务合作 ---------- */
.page-contact .contact-accordion {
  display: grid;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .contact-accordion .accordion-title {
  font-size: 17px;
  font-weight: 600;
}

.page-contact .contact-accordion .accordion-body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--cool);
}

.page-contact .contact-accordion .accordion-body p:last-child {
  margin-bottom: 0;
}

.page-contact .contact-partner-note {
  margin: 24px 0 0;
  padding: 16px 20px;
  border-radius: var(--radius-sm);
  border: 1px dashed rgba(255, 45, 155, .5);
  background: rgba(255, 45, 155, .06);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ice);
}

/* ---------- 回复节奏 ---------- */
.page-contact .rhythm-track {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 26px;
}

.page-contact .rhythm-step {
  position: relative;
  padding-top: 30px;
}

.page-contact .rhythm-step::before {
  content: "";
  position: absolute;
  top: 5px;
  left: 0;
  right: 0;
  height: 2px;
  border-radius: var(--pill);
  background: linear-gradient(90deg, rgba(0, 229, 255, .8), rgba(138, 43, 226, .45), rgba(255, 45, 155, .25));
  opacity: .6;
}

.page-contact .rhythm-step::after {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--ink);
  border: 2px solid var(--cyan);
  box-shadow: 0 0 14px rgba(0, 229, 255, .6);
}

.page-contact .rhythm-num {
  margin: 0 0 6px;
  font-size: 24px;
  font-weight: 700;
  color: var(--ice);
  letter-spacing: -.01em;
}

.page-contact .rhythm-label {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
}

.page-contact .rhythm-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cool);
  max-width: 34ch;
}

/* ---------- 延伸入口 ---------- */
.page-contact .contact-next-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-contact .contact-next-card {
  display: grid;
  gap: 7px;
  padding: 20px;
  border-radius: var(--radius);
  border: 1px solid var(--pc-line);
  background: rgba(22, 22, 31, .6);
  text-decoration: none;
  color: inherit;
  transition: transform .18s ease, border-color .18s ease, background .18s ease;
}

.page-contact .contact-next-card:hover,
.page-contact .contact-next-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(0, 229, 255, .55);
  background: rgba(35, 35, 58, .78);
}

.page-contact .contact-next-card .mono {
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-next-card strong {
  font-size: 17px;
  font-weight: 700;
  color: var(--ice);
}

.page-contact .contact-next-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--cool);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-lane {
    padding: 24px;
  }

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

@media (min-width: 900px) {
  .page-contact .contact-intro-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 36px;
    align-items: end;
  }

  .page-contact .contact-intro-copy .display-1 {
    max-width: 20ch;
  }

  .page-contact .contact-main-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 26px;
  }
}

@media (min-width: 1024px) {
  .page-contact .rhythm-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 30px;
  }

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

  .page-contact .contact-next-card:first-child {
    grid-column: span 2;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-lane,
  .page-contact .contact-next-card {
    transition: none;
  }

  .page-contact .contact-lane:hover,
  .page-contact .contact-next-card:hover,
  .page-contact .contact-next-card:focus-visible {
    transform: none;
  }
}