.page-contact {
  --pc-line-soft: rgba(59, 74, 85, .28);
  --pc-panel-bg: var(--paper);
  --pc-panel-bg-alt: var(--paper-2);
  background: var(--paper);
  color: var(--ink);
  overflow-x: clip;
}

.page-contact .section {
  padding-block: 40px;
}

/* ---------- 面包屑之后的页面头 ---------- */
.page-contact .pc-hero {
  padding-block: 12px 32px;
}

.page-contact .pc-hero__in {
  display: grid;
  gap: 28px;
}

.page-contact .pc-hero__kicker {
  color: var(--clay);
  border-color: var(--clay);
  margin: 0 0 14px;
}

.page-contact .pc-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2rem, 7vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  margin: 0 0 18px;
  color: var(--ink);
}

.page-contact .pc-hero__lead {
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 54ch;
  margin: 0;
}

.page-contact .pc-hero__keys {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-key {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-key__k {
  color: var(--cedar);
}

.page-contact .pc-key__v {
  font-size: .95rem;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
}

.page-contact .pc-key__v--mail {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--clay);
  border-bottom: 1px dashed rgba(194, 90, 43, .5);
  justify-self: start;
  padding-bottom: 1px;
}

.page-contact .pc-key__v--mail:hover,
.page-contact .pc-key__v--mail:focus-visible {
  color: var(--clay-deep);
  border-bottom-style: solid;
}

.page-contact .pc-key__v--addr {
  line-height: 1.7;
  color: var(--ink-soft);
  max-width: 30ch;
}

/* ---------- 主分栏 ---------- */
.page-contact .pc-layout {
  align-items: start;
}

.page-contact .pc-channels,
.page-contact .pc-fix,
.page-contact .pc-topic,
.page-contact .pc-coop {
  margin-bottom: 20px;
}

.page-contact .pc-channels .panel__body,
.page-contact .pc-fix .panel__body,
.page-contact .pc-topic .panel__body,
.page-contact .pc-coop .panel__body {
  padding: 0;
}

.page-contact .pc-channels .panel__head,
.page-contact .pc-fix .panel__head,
.page-contact .pc-topic .panel__head,
.page-contact .pc-coop .panel__head {
  flex-wrap: wrap;
  gap: 8px 18px;
}

.page-contact .pc-channels .panel__kicker,
.page-contact .pc-fix .panel__kicker,
.page-contact .pc-topic .panel__kicker,
.page-contact .pc-coop .panel__kicker {
  color: var(--clay);
}

.page-contact .pc-topic.panel--cedar .panel__kicker {
  color: var(--clay-soft);
}

.page-contact .pc-topic.panel--cedar .panel__title {
  color: var(--paper);
}

.page-contact .pc-topic.panel--cedar .panel__meta {
  color: var(--cedar-mist);
}

/* ---------- 渠道面板 ---------- */
.page-contact .pc-channels__media {
  margin: 0 0 4px;
}

.page-contact .pc-channels__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  filter: saturate(.75) contrast(1.05);
}

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

.page-contact .pc-channel {
  display: grid;
  grid-template-columns: 40px 1fr;
  gap: 6px 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--pc-line-soft);
  transition: background-color .25s ease, border-color .25s ease;
}

.page-contact .pc-channel:last-child {
  border-bottom: 0;
}

.page-contact .pc-channel__no {
  font-size: .85rem;
  font-weight: 700;
  color: var(--cedar-mist);
  letter-spacing: .06em;
  padding-top: 4px;
}

.page-contact .pc-channel__body {
  min-width: 0;
}

.page-contact .pc-channel__label {
  margin: 0 0 6px;
  color: var(--cedar);
}

.page-contact .pc-channel__value {
  display: inline-block;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
  border-bottom: 1px solid transparent;
  transition: color .2s ease, border-color .2s ease;
}

.page-contact .pc-channel__value:hover,
.page-contact .pc-channel__value:focus-visible {
  color: var(--clay);
  border-color: var(--clay);
}

.page-contact .pc-channel__value--addr {
  line-height: 1.65;
  font-weight: 400;
  color: var(--ink-soft);
}

.page-contact .pc-channel__desc {
  margin: 10px 0 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 56ch;
}

.page-contact .pc-channel__tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 10px;
  border-color: var(--pc-line-soft);
}

@media (hover: hover) {
  .page-contact .pc-channel:hover {
    background: rgba(227, 216, 198, .38);
  }
  .page-contact .pc-channel:hover .pc-channel__no {
    color: var(--clay);
  }
}

/* ---------- 数据纠错 ---------- */
.page-contact .pc-fix__grid {
  padding: 22px 0 6px;
  display: grid;
  gap: 26px;
}

.page-contact .pc-fix__lead {
  margin: 0 0 14px;
  font-size: .97rem;
  line-height: 1.8;
  color: var(--ink-soft);
  max-width: 56ch;
}

.page-contact .pc-fix__hint {
  margin: 0;
  padding-left: 14px;
  border-left: 3px solid var(--clay-soft);
  font-size: .88rem;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .pc-fix__col-title {
  color: var(--cedar);
  margin: 0 0 12px;
}

.page-contact .pc-check {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-check__row {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pc-line-soft);
  font-size: .92rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-contact .pc-check__no {
  font-size: .8rem;
  font-weight: 700;
  color: var(--clay);
  padding-top: 4px;
}

/* ---------- 栏目反馈（深色面板） ---------- */
.page-contact .pc-topic__body {
  padding: 22px 0 6px;
}

.page-contact .pc-topic__lead {
  margin: 0 0 18px;
  font-size: .97rem;
  line-height: 1.85;
  color: rgba(245, 239, 227, .84);
  max-width: 58ch;
}

.page-contact .pc-topic__tags {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .pc-topic__tags .tag {
  border-color: rgba(127, 166, 155, .55);
  color: var(--cedar-mist);
}

.page-contact .pc-topic__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid rgba(127, 166, 155, .3);
  font-size: .88rem;
  line-height: 1.7;
  color: rgba(245, 239, 227, .66);
}

/* ---------- 合作与授权 ---------- */
.page-contact .pc-coop__grid {
  padding: 22px 0 4px;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-coop__item {
  padding: 18px 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-coop__item-title {
  margin: 0 0 8px;
  color: var(--cedar);
}

.page-contact .pc-coop__item p:last-child {
  margin: 0;
  font-size: .93rem;
  line-height: 1.75;
  color: var(--muted);
  max-width: 54ch;
}

.page-contact .pc-coop__foot {
  margin: 18px 0 0;
  font-size: .9rem;
  line-height: 1.7;
  color: var(--ink-soft);
  padding-left: 14px;
  border-left: 3px solid var(--cedar-mist);
}

/* ---------- 右侧窄栏 ---------- */
.page-contact .pc-rail {
  display: grid;
  gap: 18px;
}

.page-contact .pc-rail__block {
  border: 1px solid var(--pc-line-soft);
  border-radius: 3px;
  background: var(--paper-3);
  padding: 20px 18px;
  box-shadow: var(--shadow-1);
}

.page-contact .pc-rail__block--alt {
  background: transparent;
  box-shadow: none;
  border-style: dashed;
}

.page-contact .pc-rail__title {
  margin: 0 0 16px;
  color: var(--night);
  border-color: var(--pc-line-soft);
}

.page-contact .pc-scale {
  width: 100%;
  height: auto;
  display: block;
  margin-bottom: 6px;
}

.page-contact .pc-steps {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  counter-reset: pcstep;
  border-top: 1px solid var(--pc-line-soft);
}

.page-contact .pc-step {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--pc-line-soft);
}

.page-contact .pc-step:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-step__time {
  font-size: .74rem;
  font-weight: 700;
  letter-spacing: .12em;
  color: var(--clay);
}

.page-contact .pc-step__text {
  margin: 0;
  font-size: .88rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

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

.page-contact .pc-tips__row {
  font-size: .88rem;
  line-height: 1.7;
  color: var(--muted);
  padding-left: 14px;
  position: relative;
}

.page-contact .pc-tips__row::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  background: var(--cedar-mist);
  border-radius: 50%;
}

.page-contact .pc-tips__row a {
  color: var(--cedar-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--cedar-mist);
}

.page-contact .pc-tips__row a:hover,
.page-contact .pc-tips__row a:focus-visible {
  color: var(--clay);
  border-color: var(--clay);
}

/* ---------- 底部地域带 ---------- */
.page-contact .pc-band {
  position: relative;
  margin-top: 24px;
  background: var(--night);
  color: var(--paper);
  overflow: hidden;
  padding-block: 48px;
}

.page-contact .pc-band__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .pc-band__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.4) contrast(1.1) brightness(.5);
  opacity: .55;
}

.page-contact .pc-band__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(13, 22, 38, .94) 0%, rgba(13, 22, 38, .72) 55%, rgba(14, 58, 50, .88) 100%);
}

.page-contact .pc-band__in {
  position: relative;
  z-index: 1;
}

.page-contact .pc-band__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.4rem, 4.6vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 0 0 16px;
  color: var(--paper);
  max-width: 22ch;
}

.page-contact .pc-band__text {
  margin: 0 0 18px;
  font-size: .96rem;
  line-height: 1.85;
  color: rgba(245, 239, 227, .82);
  max-width: 62ch;
}

.page-contact .pc-band__links {
  margin: 0;
  font-size: .92rem;
  line-height: 1.8;
  color: rgba(245, 239, 227, .68);
  padding-top: 16px;
  border-top: 1px solid rgba(43, 217, 192, .28);
}

.page-contact .pc-band__links a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 217, 192, .45);
}

.page-contact .pc-band__links a:hover,
.page-contact .pc-band__links a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .section {
    padding-block: 56px;
  }

  .page-contact .pc-hero {
    padding-block: 18px 44px;
  }

  .page-contact .pc-fix__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 34px;
  }

  .page-contact .pc-coop__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0 26px;
    border-top: 0;
  }

  .page-contact .pc-coop__item {
    border-top: 1px solid var(--pc-line-soft);
  }

  .page-contact .pc-channel {
    grid-template-columns: 52px 1fr auto;
    align-items: start;
  }

  .page-contact .pc-channel__tag {
    grid-column: 3;
    grid-row: 1;
    margin-top: 2px;
    white-space: nowrap;
  }
}

@media (min-width: 1024px) {
  .page-contact .section {
    padding-block: 68px;
  }

  .page-contact .pc-hero__in {
    grid-template-columns: minmax(0, 1.25fr) minmax(320px, .75fr);
    gap: 56px;
    align-items: end;
  }

  .page-contact .pc-hero__keys {
    padding-bottom: 4px;
  }

  .page-contact .pc-rail {
    position: sticky;
    top: 32px;
  }

  .page-contact .pc-channels__list {
    padding-inline: 4px;
  }

  .page-contact .pc-band {
    padding-block: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-channel__value,
  .page-contact .pc-tips__row a {
    transition: none;
  }
}
</main>