.page-contact {
  --pc-hair: rgba(244, 239, 231, .14);
  --pc-hair-ink: rgba(20, 18, 16, .16);
  --pc-soft-ink: rgba(20, 18, 16, .76);
  background: var(--sky-900);
  color: var(--paper);
  font-family: var(--font-sans);
  line-height: 1.75;
  overflow-wrap: break-word;
}

.page-contact a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  border-bottom-color: rgba(43, 227, 176, .55);
}

.page-contact a:hover {
  color: var(--clay-lite);
  border-bottom-color: var(--clay-lite);
}

.page-contact a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: 26px 0 42px;
  background:
    radial-gradient(120% 92% at 86% 4%, rgba(59, 46, 110, .62), transparent 62%),
    radial-gradient(96% 74% at 2% 98%, rgba(180, 71, 43, .30), transparent 60%),
    var(--sky-900);
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(45deg, rgba(244, 239, 231, .035) 0 1px, transparent 1px 9px);
  pointer-events: none;
}

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

.page-contact .breadcrumb {
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: .04em;
  color: var(--gray);
  margin-bottom: 26px;
}

.page-contact .breadcrumb__link {
  border-bottom: none;
  color: var(--gray);
}

.page-contact .breadcrumb__link:hover {
  color: var(--neon);
}

.page-contact .breadcrumb__sep {
  padding: 0 8px;
  color: rgba(154, 148, 140, .6);
}

.page-contact .breadcrumb__here {
  color: var(--paper);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: 20px;
  margin-bottom: 32px;
}

.page-contact .contact-hero__idx {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--clay-lite);
}

.page-contact .contact-hero__title {
  margin: 0;
  font-size: var(--fs-hero);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -.02em;
  max-width: 18ch;
}

.page-contact .contact-hero__lead {
  margin: 0 0 14px;
  font-size: var(--fs-sub);
  line-height: 1.72;
  color: rgba(244, 239, 231, .86);
  max-width: 38ch;
}

.page-contact .contact-hero__note {
  margin: 0;
  padding-top: 12px;
  border-top: 1px solid var(--pc-hair);
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  color: var(--gray);
  letter-spacing: .04em;
}

.page-contact .img-frame {
  margin: 0;
  display: block;
}

.page-contact .contact-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-contact .img-frame__cap {
  display: block;
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  color: var(--gray);
}

/* ---------- 区块通用 ---------- */
.page-contact .contact-band {
  padding: 46px 0;
  position: relative;
}

.page-contact .contact-band--channels {
  background: var(--sky-700);
}

.page-contact .contact-band--paper {
  background: var(--paper);
  color: var(--ink);
  border-top: 3px solid var(--clay);
}

.page-contact .contact-band--paper + .contact-band--paper {
  border-top: 1px solid var(--pc-hair-ink);
}

.page-contact .section-index--paper {
  color: var(--ink);
}

.page-contact .section-index--paper .section-index__num {
  color: var(--clay-deep);
}

.page-contact .section-index--paper .section-index__tail {
  color: rgba(20, 18, 16, .58);
}

/* ---------- 三列渠道块 ---------- */
.page-contact .contact-channels {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-contact .channel {
  position: relative;
  padding: 24px 22px 20px;
  background: var(--sky-900);
  border-top: 2px solid var(--clay);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-contact .channel__name {
  margin: 0 0 10px;
  font-family: var(--font-serif);
  font-size: var(--fs-sub);
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--paper);
}

.page-contact .channel__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  letter-spacing: -.01em;
  word-break: break-word;
  color: var(--paper);
}

.page-contact .channel--phone .channel__value {
  font-size: 1.35rem;
  letter-spacing: .01em;
  color: var(--neon);
}

.page-contact .channel--addr .channel__value {
  font-family: var(--font-sans);
  font-size: .95rem;
  font-weight: 500;
  line-height: 1.7;
  color: rgba(244, 239, 231, .9);
}

.page-contact .channel__desc {
  margin: 0 0 16px;
  font-size: .9375rem;
  line-height: 1.72;
  color: rgba(244, 239, 231, .78);
}

.page-contact .channel__meta {
  margin: 0;
  padding-top: 10px;
  border-top: 1px solid var(--pc-hair);
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  color: var(--gray);
}

/* ---------- 必填信息 ---------- */
.page-contact .contact-split {
  display: grid;
  gap: 30px;
  margin-top: 24px;
}

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

.page-contact .req-list__item {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--pc-hair-ink);
}

.page-contact .req-list__item:last-child {
  border-bottom: 1px solid var(--pc-hair-ink);
}

.page-contact .req-list__idx {
  position: relative;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  font-weight: 700;
  color: var(--clay-deep);
}

.page-contact .req-list__idx::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 8px;
  height: 2px;
  background: var(--teal-deep);
}

.page-contact .req-list__body h3 {
  margin: 0 0 5px;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-contact .req-list__body p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: var(--pc-soft-ink);
  max-width: 42ch;
}

.page-contact .contact-split__foot {
  margin: 22px 0 0;
  padding-left: 16px;
  border-left: 3px solid var(--clay);
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--ink);
  max-width: 46ch;
}

.page-contact .contact-split__fig img {
  display: block;
  width: 100%;
  height: auto;
  clip-path: polygon(0 0, 100% 0, 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-contact .contact-split__fig .img-frame__cap {
  color: rgba(20, 18, 16, .58);
}

/* ---------- 三步处理路径 ---------- */
.page-contact .sync-steps {
  list-style: none;
  margin: 8px 0 0;
  padding: 0;
}

.page-contact .sync-steps__item {
  position: relative;
  padding: 0 0 26px 52px;
}

.page-contact .sync-steps__item::before {
  content: "";
  position: absolute;
  left: 16px;
  top: 34px;
  bottom: 4px;
  width: 1px;
  background: var(--pc-hair-ink);
}

.page-contact .sync-steps__item:last-child {
  padding-bottom: 0;
}

.page-contact .sync-steps__item:last-child::before {
  display: none;
}

.page-contact .sync-steps__num {
  position: absolute;
  left: 0;
  top: 0;
  display: grid;
  place-items: center;
  width: 33px;
  height: 33px;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  font-weight: 700;
  color: var(--paper);
  background: var(--clay);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 9px), calc(100% - 9px) 100%, 0 100%);
}

.page-contact .sync-steps__body h3 {
  margin: 4px 0 5px;
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: -.01em;
}

.page-contact .sync-steps__body p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.75;
  color: var(--pc-soft-ink);
  max-width: 46ch;
}

/* ---------- 分栏 + 反馈流程 ---------- */
.page-contact .contact-folds {
  margin-top: 22px;
}

.page-contact .contact-folds .fold__label {
  font-weight: 700;
}

.page-contact .contact-folds .fold__panel p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--pc-soft-ink);
  max-width: 52ch;
}

.page-contact .contact-folds .fold__idx {
  color: var(--clay-deep);
}

/* ---------- 站点信息 ---------- */
.page-contact .contact-band--base {
  padding: 44px 0 60px;
  background: var(--sky-900);
  border-top: 1px solid var(--clay);
}

.page-contact .base-list {
  margin: 22px 0 0;
  padding: 0;
}

.page-contact .base-list__row {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .base-list__row:last-child {
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .base-list__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-data);
  letter-spacing: .05em;
  color: var(--gray);
}

.page-contact .base-list__val {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.72;
  color: rgba(244, 239, 231, .88);
}

.page-contact .base-list__val.mono {
  font-family: var(--font-mono);
  font-weight: 700;
  color: var(--neon);
  letter-spacing: .01em;
}

.page-contact .base-foot {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pc-hair);
  font-size: .875rem;
  line-height: 1.72;
  color: var(--gray);
}

.page-contact .base-foot a {
  color: var(--paper);
}

.page-contact .base-foot a:hover {
  color: var(--neon);
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .contact-hero {
    padding: 34px 0 54px;
  }

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

  .page-contact .channel--mail {
    grid-column: 1 / -1;
  }

  .page-contact .base-list__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-contact .contact-band {
    padding: 62px 0;
  }
}

@media (min-width: 980px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 44px;
  }

  .page-contact .contact-hero__side {
    padding-bottom: 6px;
  }

  .page-contact .contact-hero__fig img {
    aspect-ratio: 21 / 7;
  }

  .page-contact .contact-channels {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr) minmax(0, .9fr);
    align-items: start;
    gap: 20px;
  }

  .page-contact .channel--mail {
    grid-column: auto;
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 46px;
    align-items: start;
  }

  .page-contact .contact-split__fig {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-contact .contact-band {
    padding: 76px 0;
  }

  .page-contact .contact-band--base {
    padding: 52px 0 72px;
  }
}