.page-contact {
  --pc-rule: rgba(30, 92, 122, 0.72);
  --pc-frame: rgba(53, 224, 208, 0.22);
  position: relative;
  overflow-x: clip;
}

.page-contact h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.2vw, 40px);
  line-height: 1.14;
  letter-spacing: 0.02em;
  margin: 0 0 14px;
  color: var(--text);
}

.page-contact h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.6vw, 22px);
  line-height: 1.3;
  letter-spacing: 0.015em;
  margin: 14px 0 10px;
  color: var(--text);
}

.page-contact p {
  margin: 0 0 12px;
  line-height: 1.75;
  color: var(--text);
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 224, 208, 0.4);
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease);
}

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

.page-contact .ct-section {
  padding: var(--space-m) 0;
}

/* ── 首屏 ── */
.page-contact .ct-hero {
  padding: calc(var(--header-h) + 52px) 0 var(--space-m);
  background:
    radial-gradient(880px 420px at 88% -10%, rgba(53, 224, 208, 0.13), transparent 72%),
    radial-gradient(680px 380px at -6% 104%, rgba(255, 107, 74, 0.09), transparent 72%);
}

.page-contact .ct-hero__inner {
  display: grid;
  gap: var(--space-m);
}

.page-contact .ct-hero__lead .breadcrumb {
  margin-bottom: 22px;
}

.page-contact .ct-hero__lead h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.6vw, 76px);
  line-height: 1.02;
  letter-spacing: 0.035em;
  margin: 10px 0 20px;
  color: var(--text);
}

.page-contact .ct-hero__intro {
  max-width: 44ch;
  font-size: 16px;
  color: var(--mist);
}

.page-contact .ct-hero__dials {
  border: 1px solid var(--pc-frame);
  background: rgba(18, 60, 92, 0.52);
  box-shadow: inset 0 0 0 4px rgba(10, 42, 67, 0.85);
  padding: 26px 22px 22px;
}

.page-contact .ct-dial__label {
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--fog);
  margin: 0 0 8px;
}

.page-contact .ct-dial__value {
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: clamp(24px, 6.4vw, 34px);
  letter-spacing: 0.04em;
  line-height: 1.15;
  color: var(--text);
  margin: 0 0 6px;
  overflow-wrap: anywhere;
}

.page-contact .ct-dial__value--mail {
  font-size: clamp(19px, 5.2vw, 30px);
  color: var(--cyan);
  transition: color 0.2s var(--ease);
}

.page-contact .ct-dial:hover .ct-dial__value--mail {
  color: var(--mist);
}

.page-contact .ct-dial__hint {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog);
  opacity: 0.6;
  transition: opacity 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .ct-dial:hover .ct-dial__hint {
  opacity: 1;
  color: var(--lemon);
}

.page-contact .ct-dial__rule {
  border: 0;
  border-top: 1px dashed rgba(30, 92, 122, 0.9);
  margin: 20px 0 18px;
}

/* ── 联系卡片组 ── */
.page-contact .ct-cards__head {
  margin-bottom: 34px;
}

.page-contact .ct-deck {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .ct-card {
  position: relative;
  padding: 26px 22px 20px;
  background: var(--chart);
  border: 1px solid var(--tide);
  box-shadow: inset 0 0 0 4px rgba(10, 42, 67, 0.6);
  transition: transform 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .ct-card:hover {
  transform: translateY(-4px);
  border-color: var(--pc-frame);
}

.page-contact .ct-card p {
  font-size: 15px;
  color: var(--mist);
}

.page-contact .ct-card__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed rgba(30, 92, 122, 0.9);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--fog);
}

/* ── 宽幅停顿图 ── */
.page-contact .ct-banner {
  margin: var(--space-m) auto;
}

.page-contact .ct-banner__figure {
  margin: 0;
}

.page-contact .ct-banner figcaption {
  margin-top: 12px;
  font-family: var(--font-serif);
  font-size: 14px;
  letter-spacing: 0.03em;
  color: var(--fog);
}

/* ── 回复节奏 + 清单 ── */
.page-contact .ct-reply__grid {
  display: grid;
  gap: var(--space-m);
}

.page-contact .ct-reply__intro p {
  font-size: 16px;
}

.page-contact .ct-reply__link a {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.04em;
}

.page-contact .ct-checklist {
  padding: 26px 20px 22px;
  background: rgba(6, 24, 42, 0.86);
  border: 1px solid var(--pc-frame);
}

.page-contact .ct-checklist h3 {
  margin-top: 0;
  color: var(--lemon);
}

.page-contact .ct-checklist ul {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-checklist li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 2px 14px;
  padding: 14px 16px;
  background: rgba(18, 60, 92, 0.5);
  border-left: 2px solid var(--tide);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .ct-checklist li:hover {
  border-left-color: var(--cyan);
  background: rgba(18, 60, 92, 0.78);
}

.page-contact .ct-checklist input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  grid-row: 1 / span 2;
  width: 18px;
  height: 18px;
  margin: 4px 0 0;
  border: 1px solid var(--tide);
  background: var(--abyss);
  position: relative;
  cursor: pointer;
  transition: border-color 0.16s var(--ease), background 0.16s var(--ease);
}

.page-contact .ct-checklist input[type="checkbox"]:checked {
  border-color: var(--cyan);
  background: rgba(53, 224, 208, 0.18);
}

.page-contact .ct-checklist input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(42deg);
}

.page-contact .ct-checklist label {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.02em;
  color: var(--text);
  cursor: pointer;
}

.page-contact .ct-checklist li p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--fog);
}

/* ── 问题分流 ── */
.page-contact .ct-route-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--pc-rule);
}

.page-contact .ct-route {
  border-bottom: 1px solid var(--pc-rule);
}

.page-contact .ct-route summary {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 18px 8px 18px 16px;
  border-left: 3px solid transparent;
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .ct-route summary::-webkit-details-marker {
  display: none;
}

.page-contact .ct-route summary:hover,
.page-contact .ct-route[open] summary {
  border-left-color: var(--cyan);
  background: rgba(18, 60, 92, 0.45);
}

.page-contact .ct-route__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--fog);
}

.page-contact .ct-route__name {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(18px, 2.6vw, 23px);
  letter-spacing: 0.03em;
  color: var(--text);
}

.page-contact .ct-route__hint {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-contact .ct-route__body {
  padding: 4px 16px 22px 19px;
}

.page-contact .ct-route__body p {
  font-size: 15px;
  color: var(--mist);
  max-width: 62ch;
}

.page-contact .ct-route__to {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--fog);
}

/* ── 资料寄送与来访 ── */
.page-contact .ct-visit__grid {
  display: grid;
  gap: 28px;
  align-items: start;
}

.page-contact .ct-visit__figure {
  margin: 0;
}

.page-contact .ct-visit__addr {
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.7;
  color: var(--lemon);
  padding-left: 14px;
  border-left: 2px solid var(--lemon);
}

.page-contact .ct-visit__text p {
  font-size: 15px;
  color: var(--mist);
  max-width: 48ch;
}

.page-contact .ct-visit__note {
  font-size: 13px;
  color: var(--fog);
}

/* ── 站点信息与备案 ── */
.page-contact .ct-meta {
  margin-top: var(--space-m);
  padding: var(--space-s) 0;
  background: var(--abyss);
  border-top: 1px solid var(--pc-rule);
}

.page-contact .ct-meta h2 {
  font-size: clamp(18px, 2.6vw, 22px);
  letter-spacing: 0.12em;
  color: var(--fog);
  margin-bottom: 20px;
}

.page-contact .ct-meta__list {
  display: grid;
  gap: 16px;
  margin: 0;
}

.page-contact .ct-meta__list div {
  border-left: 2px solid var(--tide);
  padding-left: 12px;
}

.page-contact .ct-meta dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--fog);
}

.page-contact .ct-meta dd {
  margin: 6px 0 0;
  font-size: 15px;
  color: var(--text);
  overflow-wrap: anywhere;
}

/* ── 断点 ── */
@media (min-width: 700px) {
  .page-contact .ct-deck {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }

  .page-contact .ct-card--b {
    margin-top: 34px;
  }

  .page-contact .ct-card--c {
    margin-top: 68px;
  }

  .page-contact .ct-meta__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero {
    padding-top: calc(var(--header-h) + 76px);
  }

  .page-contact .ct-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .ct-hero__dials {
    padding: 32px 30px 28px;
  }

  .page-contact .ct-reply__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(32px, 5vw, 76px);
  }

  .page-contact .ct-visit__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(30px, 5vw, 64px);
    align-items: center;
  }

  .page-contact .ct-meta__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .ct-route__hint {
    margin-left: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-route summary,
  .page-contact .ct-checklist li,
  .page-contact .ct-dial__hint,
  .page-contact .ct-dial__value--mail {
    transition: none;
  }

  .page-contact .ct-card:hover {
    transform: none;
  }
}