.page-contact {
  padding-block: 26px 76px;
}

.page-contact .pc-crumbs {
  margin-bottom: 30px;
}

/* ── 首屏 ── */
.page-contact .pc-hero {
  display: grid;
  gap: 18px;
}

.page-contact .pc-hero__eyebrow {
  margin: 0;
  font-family: var(--gr-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gr-muted);
  text-transform: uppercase;
}

.page-contact .pc-hero__title {
  margin: 0;
  font-size: clamp(32px, 6.4vw, 64px);
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -0.02em;
  color: var(--gr-bright);
}

.page-contact .pc-hero__lead {
  margin: 0;
  max-width: 62ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--gr-text);
}

.page-contact .pc-hero__figure {
  margin: 34px 0 0;
  border-radius: var(--gr-r-xl);
  overflow: hidden;
  border: 1px solid var(--gr-line);
}

/* ── 渠道卡 ── */
.page-contact .pc-channels {
  display: grid;
  gap: 20px;
  margin-top: 34px;
}

.page-contact .pc-channel {
  position: relative;
  overflow: hidden;
  padding: 30px 24px 26px;
  border-radius: var(--gr-r-xl);
  border: 1px solid var(--gr-line);
  background: linear-gradient(158deg, rgba(108, 59, 255, .22), rgba(20, 20, 31, .96) 58%);
  transition: transform .2s var(--gr-ease), box-shadow .2s var(--gr-ease), border-color .2s var(--gr-ease);
}

.page-contact .pc-channel::after {
  content: "";
  position: absolute;
  inset: auto -30% -60% auto;
  width: 220px;
  height: 220px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(108, 59, 255, .42), transparent 68%);
  pointer-events: none;
}

.page-contact .pc-channel--phone {
  background: linear-gradient(158deg, rgba(0, 229, 160, .18), rgba(20, 20, 31, .96) 58%);
}

.page-contact .pc-channel--phone::after {
  background: radial-gradient(circle, rgba(0, 229, 160, .32), transparent 68%);
}

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--gr-shadow-lift);
  border-color: var(--gr-violet-soft);
}

.page-contact .pc-channel--phone:hover,
.page-contact .pc-channel--phone:focus-within {
  border-color: var(--gr-green);
}

.page-contact .pc-channel__label {
  margin: 0 0 20px;
  font-family: var(--gr-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--gr-violet-soft);
}

.page-contact .pc-channel--phone .pc-channel__label {
  color: var(--gr-green);
}

.page-contact .pc-channel__title {
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 500;
  letter-spacing: .18em;
  color: var(--gr-muted);
}

.page-contact .pc-channel__value {
  margin: 0 0 18px;
  font-family: var(--gr-font-mono);
  font-size: clamp(15px, 3.6vw, 24px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--gr-bright);
  overflow-wrap: anywhere;
}

.page-contact .pc-channel__note {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gr-text);
  opacity: .84;
  transition: opacity .2s var(--gr-ease);
}

.page-contact .pc-channel:hover .pc-channel__note,
.page-contact .pc-channel:focus-within .pc-channel__note {
  opacity: 1;
}

.page-contact .pc-channels__foot {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.9;
  color: var(--gr-muted);
}

.page-contact .pc-channels__foot a {
  color: var(--gr-violet-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(169, 140, 255, .42);
  transition: color .2s var(--gr-ease), border-color .2s var(--gr-ease);
}

.page-contact .pc-channels__foot a:hover {
  color: var(--gr-bright);
  border-color: var(--gr-bright);
}

/* ── 反馈材料 ── */
.page-contact .pc-feedback {
  display: grid;
  gap: 34px;
  margin-top: 78px;
}

.page-contact .pc-heading {
  margin: 0 0 14px;
  font-size: clamp(23px, 3.8vw, 36px);
  font-weight: 500;
  line-height: 1.22;
  color: var(--gr-bright);
}

.page-contact .pc-lede {
  margin: 0 0 28px;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--gr-text);
}

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

.page-contact .pc-steps__item {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 20px;
  border-radius: var(--gr-r-lg);
  border: 1px solid var(--gr-line);
  background: var(--gr-panel);
  transition: border-color .2s var(--gr-ease), background .2s var(--gr-ease);
}

.page-contact .pc-steps__item:hover {
  border-color: #2F2F45;
  background: #171724;
}

.page-contact .pc-steps__no {
  padding-top: 3px;
  font-family: var(--gr-font-mono);
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--gr-green);
}

.page-contact .pc-steps__title {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 500;
  color: var(--gr-bright);
}

.page-contact .pc-steps__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--gr-text);
}

.page-contact .pc-feedback__figure {
  margin: 0;
  border-radius: var(--gr-r-xl);
  overflow: hidden;
  border: 1px solid var(--gr-line);
}

/* ── 内容协作 ── */
.page-contact .pc-coop {
  margin-top: 78px;
  padding: 32px 24px;
  border-radius: var(--gr-r-xl);
  border: 1px solid var(--gr-line);
  background: linear-gradient(140deg, rgba(59, 31, 153, .36), rgba(11, 11, 16, .92) 62%);
}

.page-contact .pc-coop .pc-lede {
  margin-bottom: 6px;
}

.page-contact .pc-topics {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-topics__item {
  display: inline-flex;
  align-items: center;
  padding: 9px 16px;
  border-radius: var(--gr-r-pill);
  border: 1px solid rgba(169, 140, 255, .36);
  background: rgba(108, 59, 255, .14);
  font-family: var(--gr-font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  color: var(--gr-bright);
}

.page-contact .pc-coop__note {
  margin: 20px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--gr-ice);
}

/* ── 地址与备案 ── */
.page-contact .pc-meta {
  margin-top: 64px;
  padding-top: 28px;
  border-top: 1px solid var(--gr-line);
}

.page-contact .pc-meta__title {
  margin: 0 0 18px;
  font-size: 13px;
  font-weight: 500;
  letter-spacing: .16em;
  color: var(--gr-muted);
}

.page-contact .pc-meta__strip {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 12px;
}

.page-contact .pc-meta__item {
  padding: 8px 15px;
  border-radius: var(--gr-r-pill);
  border: 1px solid var(--gr-line);
  background: var(--gr-panel);
  font-size: 13px;
  line-height: 1.6;
  color: var(--gr-text);
}

.page-contact .pc-meta__sep {
  font-family: var(--gr-font-mono);
  font-size: 14px;
  color: var(--gr-violet);
}

.page-contact .pc-meta__note {
  margin: 18px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--gr-muted);
}

.page-contact .pc-meta__note a {
  color: var(--gr-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--gr-line);
  transition: color .2s var(--gr-ease), border-color .2s var(--gr-ease);
}

.page-contact .pc-meta__note a:hover {
  color: var(--gr-violet-soft);
  border-color: var(--gr-violet-soft);
}

/* ── 断点 ── */
@media (min-width: 860px) {
  .page-contact {
    padding-block: 34px 96px;
  }

  .page-contact .pc-channels {
    grid-template-columns: 1fr 1fr;
    gap: 28px;
  }

  .page-contact .pc-channel {
    padding: 34px 32px 30px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-feedback {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, .88fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .pc-coop {
    padding: 44px 48px;
  }

  .page-contact .pc-coop .pc-lede {
    max-width: 66ch;
  }
}

@media (max-width: 520px) {
  .page-contact .pc-channel {
    padding: 24px 20px 22px;
  }

  .page-contact .pc-channel__title {
    letter-spacing: .12em;
  }

  .page-contact .pc-steps__item {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
    padding: 16px 18px;
  }

  .page-contact .pc-steps__no {
    padding-top: 0;
  }

  .page-contact .pc-feedback,
  .page-contact .pc-coop {
    margin-top: 60px;
  }

  .page-contact .pc-meta {
    margin-top: 52px;
  }
}
<<<END>>>