/* ===== 联系通道 · 页面专属样式（作用域 .page-contact） ===== */

.page-contact {
  --pc-block-gap: clamp(34px, 4.6vw, 64px);
  --pc-radius-cut: 2px 20px 2px 20px;
  background: var(--ca-ink);
  color: var(--ca-frost);
}

/* ---------- 面包屑 ---------- */
.page-contact .pc-topbar {
  padding-top: clamp(14px, 2.2vw, 26px);
  background: var(--ca-ink);
}

.page-contact .ca-breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--ca-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
}

.page-contact .ca-breadcrumb__link {
  color: var(--ca-ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ca-ease), border-color 180ms var(--ca-ease);
}

.page-contact .ca-breadcrumb__link:hover,
.page-contact .ca-breadcrumb__link:focus-visible {
  color: var(--ca-frost);
  border-bottom-color: var(--ca-maple);
}

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

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

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 4.6vw, 58px) clamp(44px, 6.5vw, 92px);
  background:
    radial-gradient(120% 92% at 88% -12%, rgba(63, 111, 143, 0.44), transparent 58%),
    radial-gradient(70% 62% at 6% 108%, rgba(47, 180, 154, 0.16), transparent 62%),
    var(--ca-ink);
}

.page-contact .pc-hero__glow {
  position: absolute;
  inset-block-start: -130px;
  inset-inline-end: -140px;
  width: min(420px, 62vw);
  height: min(420px, 62vw);
  border-radius: 50%;
  background: radial-gradient(circle, rgba(217, 164, 65, 0.22), transparent 66%);
  pointer-events: none;
}

.page-contact .pc-hero__rule {
  position: absolute;
  inset-inline: 0;
  inset-block-end: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(217, 164, 65, 0.6) 24%, rgba(217, 164, 65, 0.6) 76%, transparent);
}

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

.page-contact .pc-hero__coord {
  margin: 0 0 clamp(12px, 1.6vw, 20px);
  font-family: var(--ca-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--ca-maple);
}

.page-contact .pc-hero__title {
  margin: 0 0 clamp(16px, 2vw, 26px);
  max-width: 18ch;
  font-family: var(--ca-font-display);
  font-weight: 900;
  font-size: clamp(1.92rem, 5.6vw, 4.3rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ca-frost);
}

.page-contact .pc-hero__lede {
  margin: 0 0 clamp(24px, 3vw, 38px);
  max-width: 56ch;
  font-size: clamp(1rem, 1.35vw, 1.14rem);
  line-height: 2;
  color: var(--ca-ice);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}

/* ---------- 主体两栏错位 ---------- */
.page-contact .pc-body {
  padding-block: clamp(38px, 5vw, 80px);
  background: var(--ca-ink);
}

.page-contact .pc-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4vw, 58px);
}

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

.page-contact .pc-col-side {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
  align-content: start;
  min-width: 0;
}

@media (min-width: 960px) {
  .page-contact .pc-body__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4.4fr);
    align-items: start;
  }

  .page-contact .pc-col-side {
    margin-top: clamp(22px, 4vw, 74px);
  }
}

/* ---------- 章节块 ---------- */
.page-contact .pc-block {
  margin-bottom: var(--pc-block-gap);
}

.page-contact .pc-block:last-child {
  margin-bottom: 0;
}

.page-contact .ca-section-head {
  display: grid;
  gap: 6px;
  margin-bottom: clamp(18px, 2.4vw, 30px);
  padding-bottom: 14px;
  border-bottom: 1px solid var(--ca-line-soft);
}

.page-contact .ca-section-head__num {
  font-family: var(--ca-font-mono);
  font-size: clamp(1.5rem, 3vw, 2.1rem);
  font-weight: 700;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--ca-maple);
}

.page-contact .ca-section-head__title {
  margin: 0;
  font-family: var(--ca-font-display);
  font-weight: 800;
  font-size: clamp(1.22rem, 2.2vw, 1.7rem);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--ca-frost);
}

.page-contact .ca-section-head__title::after {
  content: "";
  display: block;
  width: 46px;
  height: 3px;
  margin-top: 10px;
  background: var(--ca-gold);
  transform: scaleX(0.36);
  transform-origin: left center;
  transition: transform 180ms var(--ca-ease);
}

.page-contact .pc-block:hover .ca-section-head__title::after {
  transform: scaleX(1);
}

.page-contact .ca-section-head__note {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--ca-ice);
}

/* ---------- 自助提示列表 ---------- */
.page-contact .pc-hints {
  list-style: none;
  margin: 0 0 clamp(18px, 2.2vw, 26px);
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .pc-hints__item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 15px 18px;
  background: var(--ca-ink-2);
  border: 1px solid var(--ca-line-soft);
  border-radius: 2px 14px 2px 14px;
  transition: border-color 180ms var(--ca-ease), background 180ms var(--ca-ease), transform 180ms var(--ca-ease);
}

.page-contact .pc-hints__item:hover {
  border-color: rgba(200, 50, 43, 0.55);
  background: rgba(18, 41, 74, 0.92);
  transform: translateX(3px);
}

.page-contact .pc-hints__dot {
  display: grid;
  place-items: center;
  width: 30px;
  height: 30px;
  font-family: var(--ca-font-mono);
  font-size: 0.78rem;
  font-weight: 700;
  color: var(--ca-gold);
  border: 1px solid rgba(217, 164, 65, 0.5);
  border-radius: 2px 9px 2px 9px;
  transition: background 180ms var(--ca-ease), color 180ms var(--ca-ease), border-color 180ms var(--ca-ease);
}

.page-contact .pc-hints__item:hover .pc-hints__dot {
  background: var(--ca-maple);
  border-color: var(--ca-maple);
  color: var(--ca-frost);
}

.page-contact .pc-hints__text {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.9;
  color: var(--ca-frost);
}

.page-contact .pc-inline-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding-bottom: 3px;
  font-family: var(--ca-font-mono);
  font-size: 0.82rem;
  letter-spacing: 0.06em;
  color: var(--ca-aurora);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 180, 154, 0.45);
  transition: color 180ms var(--ca-ease), border-color 180ms var(--ca-ease);
}

.page-contact .pc-inline-link::after {
  content: "→";
  font-family: var(--ca-font-mono);
}

.page-contact .pc-inline-link:hover,
.page-contact .pc-inline-link:focus-visible {
  color: var(--ca-gold);
  border-bottom-color: var(--ca-gold);
}

/* ---------- 图像 ---------- */
.page-contact .pc-figure {
  margin: 0 0 clamp(20px, 2.6vw, 30px);
}

.page-contact .pc-aside-figure {
  margin: 0;
}

.page-contact .ca-media {
  overflow: hidden;
  background: var(--ca-ink-2);
  border: 1px solid var(--ca-line);
  border-radius: var(--pc-radius-cut);
}

.page-contact .ca-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ca-media__caption {
  margin: 10px 0 0;
  font-family: var(--ca-font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.06em;
  color: var(--ca-ice);
}

/* ---------- 反馈要素清单 ---------- */
.page-contact .pc-detail-list {
  margin: 0;
  padding: 0;
  display: grid;
}

.page-contact .pc-detail-list__item {
  position: relative;
  padding: 16px 0 16px 20px;
  border-top: 1px solid var(--ca-line-soft);
}

.page-contact .pc-detail-list__item:last-child {
  border-bottom: 1px solid var(--ca-line-soft);
}

.page-contact .pc-detail-list__item::before {
  content: "";
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: 24px;
  width: 8px;
  height: 8px;
  background: var(--ca-aurora);
  border-radius: 50% 50% 50% 0;
}

.page-contact .pc-detail-list__term {
  font-family: var(--ca-font-display);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.6;
  color: var(--ca-frost);
}

.page-contact .pc-detail-list__desc {
  margin: 4px 0 0;
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--ca-ice);
}

/* ---------- 长文 ---------- */
.page-contact .pc-prose {
  max-width: 62ch;
}

.page-contact .pc-prose p {
  margin: 0 0 16px;
  font-size: 1rem;
  line-height: 2.05;
  color: var(--ca-ice);
}

.page-contact .pc-prose p:last-child {
  margin-bottom: 0;
}

/* ---------- 右侧联系卡片 ---------- */
.page-contact .pc-card {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3vw, 32px);
  background: var(--ca-paper);
  color: var(--ca-ink);
  border: 1px solid rgba(11, 27, 51, 0.14);
  border-inline-start: 3px solid var(--ca-maple);
  border-radius: var(--pc-radius-cut);
  box-shadow: 0 18px 44px rgba(4, 12, 24, 0.42);
}

.page-contact .pc-card::after {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-end: 0;
  width: 92px;
  height: 92px;
  background: linear-gradient(225deg, rgba(217, 164, 65, 0.34) 0%, rgba(217, 164, 65, 0) 62%);
  pointer-events: none;
}

.page-contact .pc-card__eyebrow {
  margin: 0 0 6px;
  font-family: var(--ca-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--ca-maple-deep);
}

.page-contact .pc-card__title {
  margin: 0 0 clamp(14px, 2vw, 20px);
  font-family: var(--ca-font-display);
  font-weight: 900;
  font-size: clamp(1.28rem, 2.4vw, 1.64rem);
  line-height: 1.3;
  color: var(--ca-ink);
}

.page-contact .pc-channel {
  padding-block: clamp(14px, 2vw, 20px);
  border-top: 1px solid rgba(11, 27, 51, 0.14);
}

.page-contact .pc-channel__label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--ca-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: rgba(11, 27, 51, 0.62);
}

.page-contact .pc-channel__value {
  display: inline-block;
  font-family: var(--ca-font-mono);
  font-size: clamp(0.98rem, 1.6vw, 1.22rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.02em;
  color: var(--ca-ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-copy {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  max-width: 100%;
  padding: 10px 14px;
  background: rgba(11, 27, 51, 0.05);
  border: 1px dashed rgba(11, 27, 51, 0.32);
  border-radius: 2px 12px 2px 12px;
  cursor: pointer;
  font: inherit;
  text-align: left;
  color: var(--ca-ink);
  transition: background 180ms var(--ca-ease), border-color 180ms var(--ca-ease), transform 180ms var(--ca-ease);
}

.page-contact .pc-copy:hover,
.page-contact .pc-copy:focus-visible {
  background: rgba(200, 50, 43, 0.09);
  border-color: var(--ca-maple);
  transform: translateY(-2px);
}

.page-contact .pc-copy .ca-copy__hint {
  padding: 2px 7px;
  font-family: var(--ca-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ca-maple-deep);
  border: 1px solid rgba(200, 50, 43, 0.4);
  border-radius: 2px 8px 2px 8px;
}

.page-contact .pc-copy-state {
  display: block;
  min-height: 1.2em;
  margin-top: 6px;
  font-family: var(--ca-font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--ca-maple-deep);
}

.page-contact .pc-phone {
  padding-block: 4px;
  text-decoration: none;
  color: var(--ca-ink);
  border-bottom: 2px solid var(--ca-maple);
  transition: color 180ms var(--ca-ease), border-color 180ms var(--ca-ease);
}

.page-contact .pc-phone:hover,
.page-contact .pc-phone:focus-visible {
  color: var(--ca-maple-deep);
  border-bottom-color: var(--ca-ink);
}

.page-contact .pc-channel__note {
  margin: 10px 0 0;
  font-size: 0.88rem;
  line-height: 1.85;
  color: rgba(11, 27, 51, 0.74);
}

.page-contact .pc-card__foot {
  margin: clamp(16px, 2vw, 22px) 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(11, 27, 51, 0.24);
  font-size: 0.84rem;
  line-height: 1.85;
  color: rgba(11, 27, 51, 0.7);
}

/* ---------- 站点信息条 ---------- */
.page-contact .pc-siteinfo {
  padding-block: clamp(28px, 4vw, 52px);
  background: var(--ca-paper);
  color: var(--ca-ink);
}

.page-contact .pc-siteinfo__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px 30px;
}

.page-contact .pc-siteinfo__cell {
  padding-top: 12px;
  border-top: 2px solid var(--ca-maple);
}

.page-contact .pc-siteinfo__label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--ca-font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: rgba(11, 27, 51, 0.6);
}

.page-contact .pc-siteinfo__value {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ca-ink);
  overflow-wrap: anywhere;
}

.page-contact .pc-siteinfo__value a {
  color: var(--ca-maple-deep);
  text-decoration: none;
  border-bottom: 1px solid rgba(200, 50, 43, 0.4);
  transition: color 180ms var(--ca-ease), border-color 180ms var(--ca-ease);
}

.page-contact .pc-siteinfo__value a:hover,
.page-contact .pc-siteinfo__value a:focus-visible {
  color: var(--ca-ink);
  border-bottom-color: var(--ca-ink);
}

@media (min-width: 640px) {
  .page-contact .pc-siteinfo__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1040px) {
  .page-contact .pc-siteinfo__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 460px) {
  .page-contact .pc-hero__title {
    max-width: none;
  }

  .page-contact .pc-channel__value {
    font-size: 0.94rem;
  }

  .page-contact .pc-copy {
    width: 100%;
  }

  .page-contact .pc-hints__item {
    grid-template-columns: 28px minmax(0, 1fr);
    padding: 13px 14px;
  }

  .page-contact .pc-hints__dot {
    width: 26px;
    height: 26px;
    font-size: 0.72rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-hints__item:hover,
  .page-contact .pc-copy:hover,
  .page-contact .pc-copy:focus-visible {
    transform: none;
  }

  .page-contact .ca-section-head__title::after {
    transform: scaleX(1);
  }
}