.page-contact {
  --pc-pad: clamp(20px, 3.2vw, 38px);
  --pc-cut: 22px;
}

.page-contact .breadcrumb {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

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

.page-contact .breadcrumb__list li + li::before {
  content: "/";
  margin-right: 10px;
  color: var(--ink-700);
}

.page-contact .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  color: var(--gold-soft);
}

/* ---------- 首屏：错位斜切 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 0 58px;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(135deg, rgba(216, 168, 78, .11), rgba(216, 168, 78, 0) 58%),
    linear-gradient(200deg, rgba(55, 191, 174, .13), rgba(55, 191, 174, 0) 62%);
  clip-path: polygon(0 0, 100% 0, 100% 56%, 0 100%);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  top: 34%;
  width: 46%;
  height: 1px;
  background: linear-gradient(90deg, rgba(216, 168, 78, .55), rgba(216, 168, 78, 0));
  transform: rotate(-8deg);
  transform-origin: left center;
  pointer-events: none;
}

.page-contact .pc-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 34px;
}

.page-contact .pc-hero__copy h1 {
  margin: 16px 0 20px;
  font-family: var(--font-display);
  font-size: clamp(34px, 7.4vw, 66px);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--paper);
}

.page-contact .pc-hero__copy .lede {
  max-width: 46ch;
  color: var(--mist);
}

.page-contact .pc-hero__facts {
  display: grid;
  gap: 12px;
  margin: 30px 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--hair-soft);
  list-style: none;
}

.page-contact .pc-hero__facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  font-size: 15px;
}

.page-contact .pc-hero__facts strong {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 19px;
  color: var(--gold-soft);
}

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

.page-contact .pc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: brightness(.68) saturate(.82) contrast(1.06);
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
}

.page-contact .pc-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(6, 33, 28, .1), rgba(6, 33, 28, .72));
  clip-path: polygon(0 0, 100% 0, 100% 84%, 0 100%);
  pointer-events: none;
}

.page-contact .pc-hero__media .img-frame__cap {
  margin-top: 12px;
  font-size: 13px;
  color: var(--mist);
  letter-spacing: .02em;
}

/* ---------- 渠道板 ---------- */
.page-contact .pc-board {
  display: grid;
  gap: var(--gap);
}

.page-contact .pc-channel {
  position: relative;
  padding: var(--pc-pad);
  background: var(--ink-800);
  border: 1px solid var(--hair-soft);
  clip-path: polygon(0 0, calc(100% - var(--pc-cut)) 0, 100% var(--pc-cut), 100% 100%, 0 100%);
  transition: border-color 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .pc-channel:hover {
  border-color: var(--gold);
  transform: translateY(-2px);
}

.page-contact .pc-channel__value {
  margin: 14px 0 16px;
  font-family: var(--font-mono);
  font-size: clamp(19px, 4.4vw, 30px);
  letter-spacing: .01em;
  color: var(--gold-soft);
  word-break: break-word;
}

.page-contact .pc-channel__use {
  max-width: 48ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .pc-copy {
  margin-top: 24px;
  display: inline-flex;
  align-items: center;
  gap: 12px;
}

.page-contact .pc-copy__status {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--gold);
  min-width: 5em;
}

.page-contact .pc-copy.is-copied .pc-copy__status {
  color: var(--data);
}

.page-contact .pc-copy.is-failed .pc-copy__status {
  color: var(--coral);
}

/* ---------- 受理边界 ---------- */
.page-contact .pc-scope {
  padding: var(--pc-pad);
  background: var(--glass);
  border: 1px solid var(--hair);
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.page-contact .pc-scope__title {
  margin: 12px 0 24px;
  font-family: var(--font-display);
  font-size: clamp(22px, 3.2vw, 28px);
  font-weight: 500;
  line-height: 1.35;
  color: var(--paper);
}

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

.page-contact .pc-scope__label {
  margin: 0 0 14px;
}

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

.page-contact .pc-scope__list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--paper);
  outline-offset: 4px;
}

.page-contact .pc-scope__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 9px;
  border: 1px solid currentColor;
}

.page-contact .pc-scope__col--in .pc-scope__list li::before {
  color: var(--data);
  background: rgba(55, 191, 174, .28);
}

.page-contact .pc-scope__col--out .pc-scope__list {
  color: var(--mist);
}

.page-contact .pc-scope__col--out .pc-scope__list li::before {
  color: var(--coral);
  background: rgba(255, 107, 74, .22);
}

.page-contact .pc-scope__list li:focus-visible {
  outline: 2px solid var(--coral);
}

.page-contact .pc-scope__hint {
  margin: 26px 0 0;
  padding-top: 22px;
  border-top: 1px solid var(--hair);
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-prep-list {
  border-top: 1px solid var(--hair-soft);
}

.page-contact .pc-prep {
  border-bottom: 1px solid var(--hair-soft);
}

.page-contact .pc-prep summary {
  display: flex;
  align-items: baseline;
  gap: 18px;
  padding: 22px 0;
  cursor: pointer;
  list-style: none;
  transition: color 180ms var(--ease);
}

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

.page-contact .pc-prep summary::marker {
  content: "";
}

.page-contact .pc-prep summary:hover .pc-prep__title {
  color: var(--gold-soft);
}

.page-contact .pc-prep summary:focus-visible {
  outline: 2px solid var(--coral);
  outline-offset: 3px;
}

.page-contact .pc-prep__title {
  flex: 1 1 auto;
  font-family: var(--font-display);
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.4;
  color: var(--paper);
  transition: color 180ms var(--ease);
}

.page-contact .pc-prep__mark {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  position: relative;
  align-self: center;
}

.page-contact .pc-prep__mark::before,
.page-contact .pc-prep__mark::after {
  content: "";
  position: absolute;
  background: var(--gold);
  transition: transform 180ms var(--ease), opacity 180ms var(--ease);
}

.page-contact .pc-prep__mark::before {
  left: 0;
  top: 8px;
  width: 18px;
  height: 1px;
}

.page-contact .pc-prep__mark::after {
  left: 8px;
  top: 0;
  width: 1px;
  height: 18px;
}

.page-contact .pc-prep[open] .pc-prep__mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .pc-prep__body {
  max-width: 68ch;
  margin: 0 0 26px;
  padding-left: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 地址与备案 ---------- */
.page-contact .pc-meta {
  display: grid;
  gap: 0;
  margin: 0;
}

.page-contact .pc-meta__item {
  padding: 20px 0;
  border-top: 1px solid var(--hair-soft);
}

.page-contact .pc-meta__item:first-child {
  border-top: 1px solid var(--hair);
}

.page-contact .pc-meta dt {
  margin-bottom: 8px;
}

.page-contact .pc-meta__mono {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.4vw, 17px);
  letter-spacing: .02em;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .pc-meta__note {
  margin: 26px 0 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 地域说明 ---------- */
.page-contact .pc-region {
  border-bottom: 1px solid var(--hair-soft);
  padding-bottom: 64px;
}

.page-contact .pc-region__grid {
  display: grid;
  gap: 30px;
}

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

.page-contact .pc-region__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: brightness(.7) saturate(.7);
  border: 1px solid var(--hair-soft);
}

.page-contact .pc-region__copy .section-title {
  margin-bottom: 18px;
}

.page-contact .pc-region__copy p {
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .pc-region__copy p + p {
  margin-top: 16px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pc-hero__facts li {
    flex-direction: column;
    gap: 6px;
  }
}

@media (min-width: 980px) {
  .page-contact .pc-hero {
    padding: 44px 0 78px;
  }

  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 6.4fr) minmax(0, 5.6fr);
    align-items: end;
    gap: 48px;
  }

  .page-contact .pc-board {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .pc-channel--mail {
    grid-column: 1 / 8;
    grid-row: 1;
  }

  .page-contact .pc-channel--phone {
    grid-column: 1 / 8;
    grid-row: 2;
  }

  .page-contact .pc-scope {
    grid-column: 8 / 13;
    grid-row: 1 / 3;
  }

  .page-contact .pc-meta {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 60px;
  }

  .page-contact .pc-meta__item:nth-child(2) {
    border-top: 1px solid var(--hair);
  }

  .page-contact .pc-region__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: center;
    gap: 56px;
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 6fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-prep__title,
  .page-contact .pc-prep__mark::before,
  .page-contact .pc-prep__mark::after {
    transition: none;
  }

  .page-contact .pc-channel:hover {
    transform: none;
  }
}