/* ===== 找到我们 · 页面专属样式（作用域 .page-contact） ===== */
.page-contact {
  --pc-gap: clamp(1rem, 2.4vw, 1.75rem);
  --pc-pad: clamp(1.15rem, 2.3vw, 1.7rem);
  --pc-hair-strong: rgba(18, 32, 58, 0.16);
}

/* --- 面包屑条 --- */
.page-contact .contact-crumb {
  background: var(--yak);
  border-bottom: 1px solid var(--hair);
  padding: 0.8rem 0;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  font-size: 0.8125rem;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.page-contact .breadcrumb a {
  color: var(--cobalt-mid);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
  padding-bottom: 1px;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--saffron);
  border-bottom-color: var(--saffron);
}

.page-contact .breadcrumb__sep {
  color: var(--gold);
}

/* --- 首屏：门环与门牌 --- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--cobalt-deep);
  color: var(--on-deep);
  padding: clamp(2.75rem, 7vw, 4.75rem) 0 clamp(2.5rem, 6vw, 4rem);
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(185deg, rgba(11, 60, 140, 0.5) 0%, rgba(11, 60, 140, 0.88) 58%, var(--cobalt-deep) 100%);
}

.page-contact .contact-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  align-items: center;
}

.page-contact .contact-hero__ring {
  color: var(--gold);
  width: clamp(76px, 22vw, 128px);
  opacity: 0.9;
}

.page-contact .contact-hero__ring svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-hero__copy {
  max-width: 46rem;
}

.page-contact .contact-hero .eyebrow {
  color: var(--gold);
  letter-spacing: 0.22em;
}

.page-contact .contact-hero__lede {
  margin: 1.25rem 0 0;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.95;
  color: var(--on-deep-dim);
  max-width: 40rem;
}

/* --- 通用章节头微调 --- */
.page-contact .section-head__index {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--saffron);
}

.page-contact .section-head__desc {
  max-width: 44rem;
}

/* --- 三条联络线 --- */
.page-contact .channel-grid {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
  background: var(--surface);
  border: 1px solid var(--hair);
  border-top: 1px solid var(--gold-line);
  box-shadow: var(--shadow-1);
  padding: var(--pc-pad);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 34px;
  height: 2px;
  background: var(--saffron);
}

.page-contact .channel-card__label {
  margin: 0;
  font-size: 0.8125rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--cobalt-mid);
}

.page-contact .channel-card__value {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value.tag-mono {
  display: inline-block;
  align-self: flex-start;
  max-width: 100%;
}

.page-contact .channel-card__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .channel-card__copy {
  margin-top: auto;
  align-self: flex-start;
}

.page-contact [data-copy].is-copied {
  border-color: var(--saffron);
  color: var(--saffron);
}

/* --- 响应时段 --- */
.page-contact .contact-response .band {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
  border-top: 2px solid var(--gold-faint);
  padding-top: 1.75rem;
}

.page-contact .band__seg {
  position: relative;
  padding-left: 2.25rem;
}

.page-contact .band__seg::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  border: 1px solid var(--gold);
  background: var(--surface);
}

.page-contact .band__seg:first-child::before {
  background: var(--saffron);
  border-color: var(--saffron);
}

.page-contact .band__name {
  margin: 0 0 0.4rem;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
  letter-spacing: 0.02em;
}

.page-contact .band__note {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .contact-response__figure {
  margin: clamp(2rem, 5vw, 3rem) 0 0;
  border: 1px solid var(--hair);
  background: var(--surface);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-response__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .contact-response__figure .media-caption {
  padding: 0.85rem 1rem;
  border-top: 1px solid var(--hair);
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.7;
}

/* --- 合作方向 --- */
.page-contact .coop-grid {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .coop-card {
  display: flex;
  flex-direction: column;
  gap: 0.7rem;
  padding: var(--pc-pad);
  background: var(--surface);
  border: 1px solid var(--hair);
  border-left: 2px solid var(--cobalt-bright);
  box-shadow: var(--shadow-2);
  transition: border-left-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .coop-card:hover {
  border-left-color: var(--saffron);
  transform: translateY(-2px);
}

.page-contact .coop-card__num {
  align-self: flex-start;
}

.page-contact .coop-card__title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .coop-card__desc {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .coop-card__extra {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--cobalt-mid);
  border-top: 1px dashed var(--gold-faint);
  padding-top: 0.55rem;
}

/* --- 来信清单 --- */
.page-contact .check-list {
  list-style: none;
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.35rem;
}

.page-contact .check-list__item {
  display: grid;
  grid-template-columns: 2.5rem 1fr;
  gap: 0.75rem;
  border-top: 1px solid var(--pc-hair-strong);
  padding-top: 1rem;
}

.page-contact .check-list__num {
  align-self: start;
}

.page-contact .check-list__title {
  margin: 0 0 0.35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .check-list__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .contact-checklist__aside {
  margin: clamp(1.75rem, 4vw, 2.5rem) 0 0;
  padding: 1rem 1.15rem;
  border-left: 2px solid var(--gold);
  background: var(--surface);
  font-size: 0.9375rem;
  line-height: 1.9;
  color: var(--muted);
}

.page-contact .contact-checklist__aside a {
  color: var(--cobalt-mid);
  text-decoration: none;
  border-bottom: 1px solid var(--gold-line);
}

.page-contact .contact-checklist__aside a:hover,
.page-contact .contact-checklist__aside a:focus-visible {
  color: var(--saffron);
  border-bottom-color: var(--saffron);
}

/* --- 地区标识 --- */
.page-contact .contact-region .eyebrow {
  color: var(--gold);
  letter-spacing: 0.22em;
}

.page-contact .contact-region__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 4vw, 3rem);
}

.page-contact .contact-region__title {
  margin: 0.75rem 0 0;
  font-size: clamp(1.5rem, 3.6vw, 2.25rem);
  font-weight: 700;
  color: var(--on-deep);
  letter-spacing: 0.01em;
}

.page-contact .contact-region__text {
  margin: 1rem 0 0;
  max-width: 34rem;
  font-size: 0.9375rem;
  line-height: 1.95;
  color: var(--on-deep-dim);
}

.page-contact .region-facts {
  margin: 0;
  display: grid;
  gap: 0.9rem;
  align-content: start;
}

.page-contact .region-facts__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  padding-top: 0.8rem;
  border-top: 1px solid var(--gold-faint);
}

.page-contact .region-facts dt {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--on-deep-faint);
}

.page-contact .region-facts dd {
  margin: 0;
  font-size: 0.9375rem;
  color: var(--on-deep);
  word-break: break-word;
  overflow-wrap: anywhere;
}

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

  .page-contact .check-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 1.75rem 2.25rem;
  }
}

@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .channel-card:nth-child(2) {
    margin-top: 1.5rem;
  }

  .page-contact .channel-card:nth-child(3) {
    margin-top: 0.75rem;
  }

  .page-contact .contact-hero__inner {
    grid-template-columns: minmax(110px, 190px) 1fr;
    gap: clamp(2rem, 5vw, 3.5rem);
  }
}

@media (min-width: 900px) {
  .page-contact .band {
    grid-template-columns: repeat(3, 1fr);
    gap: 0;
    padding-top: 2.25rem;
  }

  .page-contact .band__seg {
    padding: 2.4rem 2rem 0 0;
  }

  .page-contact .band__seg::before {
    top: 0;
    left: 0;
  }

  .page-contact .band__seg::after {
    content: "";
    position: absolute;
    top: 5px;
    left: 14px;
    right: 0;
    height: 2px;
    background: var(--gold-line);
  }

  .page-contact .band__seg:last-child::after {
    display: none;
  }

  .page-contact .contact-region__inner {
    grid-template-columns: 1fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .coop-card__extra {
    opacity: 0;
    max-height: 0;
    overflow: hidden;
    padding-top: 0;
    border-top-color: transparent;
    transition: opacity var(--dur) var(--ease), max-height var(--dur) var(--ease),
      padding-top var(--dur) var(--ease);
  }

  .page-contact .coop-card:hover .coop-card__extra {
    opacity: 1;
    max-height: 7rem;
    padding-top: 0.55rem;
    border-top-color: var(--gold-faint);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-card,
  .page-contact .coop-card__extra {
    transition: none;
    transform: none;
  }
}