.page-contact {
  --pc-panel: rgba(14, 11, 26, .88);
  --pc-text-dim: rgba(245, 241, 255, .68);
  --pc-text-soft: rgba(245, 241, 255, .82);
  position: relative;
  isolation: isolate;
  padding-top: calc(var(--sg-header-h) + 26px);
  padding-bottom: 88px;
  background:
    radial-gradient(58% 42% at 6% 0%, rgba(108, 43, 255, .24), transparent 70%),
    radial-gradient(44% 34% at 98% 4%, rgba(0, 229, 255, .13), transparent 72%),
    var(--sg-night);
  color: var(--sg-mist);
  overflow-x: hidden;
}

.page-contact::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 760px;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--sg-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--sg-line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .5;
}

.page-contact .sg-breadcrumb {
  margin-bottom: 22px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero__grid {
  display: grid;
  gap: 30px;
  align-items: end;
}

.page-contact .pc-hero__title {
  margin: 16px 0 0;
  font-family: var(--sg-sans);
  font-weight: 900;
  font-size: clamp(2rem, 6.6vw, 4rem);
  line-height: 1.05;
  letter-spacing: -.02em;
  padding-right: .1em;
  overflow-wrap: break-word;
  transform: skewX(-6deg);
  transform-origin: left bottom;
  background: linear-gradient(104deg, var(--sg-mist) 22%, var(--sg-cyan) 96%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-contact .pc-hero__lede {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: 1rem;
  line-height: 1.82;
  color: var(--pc-text-soft);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .pc-hero__media {
  position: relative;
  margin: 0;
}

/* ---------- 联络控制台 ---------- */
.page-contact .pc-desk__title,
.page-contact .pc-flow__head h2,
.page-contact .pc-scenes h2,
.page-contact .pc-partner h2,
.page-contact .pc-prep h2 {
  margin: 14px 0 0;
  font-size: clamp(1.45rem, 3.6vw, 2.1rem);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--sg-mist);
}

.page-contact .pc-desk__grid {
  display: grid;
  gap: 18px;
  margin-top: 28px;
}

.page-contact .pc-desk__main {
  padding: 24px 20px 28px;
  background: var(--pc-panel);
}

.page-contact .pc-chan {
  padding-top: 18px;
}

.page-contact .pc-chan + .pc-chan {
  margin-top: 26px;
  padding-top: 26px;
  border-top: 1px solid var(--sg-line-soft);
}

.page-contact .pc-chan__label {
  margin: 0;
  font-family: var(--sg-mono);
  font-size: .7rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--sg-blueprint);
}

.page-contact .pc-chan__value {
  margin: 10px 0 0;
  font-family: var(--sg-mono);
  font-variant-numeric: tabular-nums;
  font-weight: 700;
  font-size: clamp(1.02rem, 4vw, 1.8rem);
  line-height: 1.28;
  color: var(--sg-cyan);
  overflow-wrap: anywhere;
}

.page-contact .pc-chan__value--ink {
  color: var(--sg-mist);
  font-size: clamp(.94rem, 2.6vw, 1.1rem);
  font-weight: 500;
  line-height: 1.7;
}

.page-contact .pc-chan__note {
  margin: 12px 0 0;
  max-width: 46ch;
  font-size: .88rem;
  line-height: 1.78;
  color: var(--pc-text-dim);
}

.page-contact .pc-hours {
  padding: 22px 20px 26px;
  background: var(--pc-panel);
}

.page-contact .pc-hours__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding: 14px 0;
  border-bottom: 1px solid var(--sg-line-soft);
  font-size: .9rem;
}

.page-contact .pc-hours__name {
  color: var(--sg-mist);
}

.page-contact .pc-hours__tag {
  margin-left: auto;
  font-family: var(--sg-mono);
  font-size: .76rem;
  letter-spacing: .04em;
  color: var(--sg-blueprint);
}

.page-contact .pc-hours__note {
  margin: 20px 0 0;
  font-size: .86rem;
  line-height: 1.8;
  color: var(--pc-text-dim);
}

.page-contact .pc-lamp {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--sg-mint);
  box-shadow: 0 0 0 3px rgba(124, 255, 178, .18);
  animation: pc-breathe 1.8s ease-in-out infinite;
}

.page-contact .pc-lamp--cyan {
  background: var(--sg-cyan);
  box-shadow: 0 0 0 3px rgba(0, 229, 255, .18);
}

.page-contact .pc-lamp--orange {
  background: var(--sg-orange);
  box-shadow: 0 0 0 3px rgba(255, 107, 26, .18);
}

@keyframes pc-breathe {
  0%, 100% { opacity: 1; }
  50% { opacity: .45; }
}

/* ---------- 工单三步 ---------- */
.page-contact .pc-flow__head {
  max-width: 62ch;
}

.page-contact .pc-flow__lede {
  margin: 16px 0 0;
  font-size: .96rem;
  line-height: 1.82;
  color: var(--pc-text-dim);
}

.page-contact .pc-flow__grid {
  display: grid;
  gap: 24px;
  margin-top: 30px;
}

.page-contact .pc-flow__media {
  margin: 0;
}

.page-contact .pc-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-step {
  position: relative;
  padding: 20px 18px 22px;
  background: var(--pc-panel);
  border: 1px solid var(--sg-line-soft);
  border-left: 2px solid var(--sg-cyan);
}

.page-contact .pc-step:nth-child(2) {
  border-left-color: var(--sg-violet);
}

.page-contact .pc-step:nth-child(3) {
  border-left-color: var(--sg-orange);
}

.page-contact .pc-step__num {
  display: block;
  font-family: var(--sg-mono);
  font-variant-numeric: tabular-nums;
  font-size: 1.5rem;
  font-weight: 700;
  line-height: 1;
  color: var(--sg-violet-lift);
}

.page-contact .pc-step__title {
  margin: 12px 0 0;
  font-size: 1.02rem;
  line-height: 1.4;
  color: var(--sg-mist);
}

.page-contact .pc-step__text {
  margin: 8px 0 0;
  font-size: .88rem;
  line-height: 1.78;
  color: var(--pc-text-dim);
}

/* ---------- 场景分流带 ---------- */
.page-contact .pc-scenes__list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-scene {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px 20px;
  background: linear-gradient(180deg, rgba(14, 11, 26, .92), rgba(7, 7, 13, .68));
  border-top: 2px solid var(--sg-violet);
}

.page-contact .pc-scene:nth-child(2) { border-top-color: var(--sg-cyan); }
.page-contact .pc-scene:nth-child(3) { border-top-color: var(--sg-mint); }
.page-contact .pc-scene:nth-child(4) { border-top-color: var(--sg-orange); }
.page-contact .pc-scene:nth-child(5) { border-top-color: var(--sg-blueprint); }

.page-contact .pc-scene__tag {
  font-family: var(--sg-mono);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sg-blueprint);
}

.page-contact .pc-scene__title {
  margin: 0;
  font-size: 1rem;
  line-height: 1.4;
  color: var(--sg-mist);
}

.page-contact .pc-scene__text {
  margin: 0;
  font-size: .84rem;
  line-height: 1.72;
  color: var(--pc-text-dim);
}

.page-contact .pc-scene__link {
  margin-top: auto;
  align-self: flex-start;
  font-family: var(--sg-mono);
  font-size: .78rem;
  letter-spacing: .06em;
  color: var(--sg-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--sg-line-cyan);
  padding-bottom: 2px;
  transition: color .18s var(--sg-ease), border-color .18s var(--sg-ease);
}

.page-contact .pc-scene__link:hover,
.page-contact .pc-scene__link:focus-visible {
  color: var(--sg-mist);
  border-bottom-color: var(--sg-cyan);
}

/* ---------- 合作咨询 ---------- */
.page-contact .pc-partner__grid {
  display: grid;
  gap: 24px;
  margin-top: 8px;
}

.page-contact .pc-partner__lede {
  margin: 18px 0 0;
  max-width: 60ch;
  font-size: .94rem;
  line-height: 1.82;
  color: var(--pc-text-soft);
}

.page-contact .pc-partner__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-partner__list li {
  position: relative;
  padding-left: 20px;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--pc-text-dim);
}

.page-contact .pc-partner__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 8px;
  height: 8px;
  background: var(--sg-violet);
  transform: rotate(45deg);
}

.page-contact .pc-partner__plate {
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: 26px 22px 24px;
  align-self: start;
}

.page-contact .pc-partner__plate-text {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--sg-ink);
}

/* ---------- 信息准备 ---------- */
.page-contact .pc-prep__grid {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.page-contact .pc-acc {
  border-bottom: 1px solid var(--sg-line-soft);
}

.page-contact .pc-acc summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 16px 34px 16px 0;
  font-size: .98rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--sg-mist);
  transition: color .18s var(--sg-ease);
}

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

.page-contact .pc-acc summary::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--sg-mono);
  font-size: 1.15rem;
  line-height: 1;
  color: var(--sg-cyan);
}

.page-contact .pc-acc[open] summary::after {
  content: "−";
}

.page-contact .pc-acc summary:hover {
  color: var(--sg-cyan);
}

.page-contact .pc-acc p {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: .89rem;
  line-height: 1.8;
  color: var(--pc-text-dim);
}

.page-contact .pc-prep__aside {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 20px 24px;
  background: var(--pc-panel);
}

.page-contact .pc-prep__text {
  margin: 0 0 8px;
  font-size: .87rem;
  line-height: 1.8;
  color: var(--pc-text-dim);
}

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

@media (min-width: 900px) {
  .page-contact {
    padding-top: calc(var(--sg-header-h) + 40px);
    padding-bottom: 104px;
  }

  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 44px;
  }

  .page-contact .pc-desk__main {
    padding: 34px 36px 38px;
  }

  .page-contact .pc-hours {
    padding: 26px 28px 30px;
  }

  .page-contact .pc-flow__grid {
    grid-template-columns: minmax(0, .86fr) minmax(0, 1.14fr);
    align-items: start;
    gap: 34px;
  }

  .page-contact .pc-partner__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, .85fr);
    align-items: start;
    gap: 36px;
  }

  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, .7fr);
    align-items: start;
    gap: 36px;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-desk__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, .9fr);
    gap: 24px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-scenes__list {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-lamp {
    animation: none;
  }
}
<<<END>>>