.page-contact {
  --ct-gap: clamp(20px, 3.2vw, 40px);
  --ct-block: clamp(36px, 5.5vw, 72px);
  --ct-line: var(--line);
  --ct-ink-soft: #333b3f;
  background: var(--sand);
  color: var(--ink);
  padding-block: clamp(26px, 4vw, 56px) clamp(40px, 6vw, 88px);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-bottom: var(--ct-gap);
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: #4a5257;
}

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

.page-contact .breadcrumb a:hover {
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .ct-crumb-sep {
  color: var(--ct-line);
}

.page-contact .ct-hero .section-label {
  margin: clamp(16px, 2.4vw, 24px) 0 0;
  color: var(--teal);
}

.page-contact .ct-hero__title {
  margin: 12px 0 0;
  font-size: clamp(32px, 6vw, 60px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  max-width: 18ch;
}

.page-contact .ct-hero__lede {
  margin: 18px 0 0;
  max-width: 54ch;
  color: #2a3236;
}

/* ---------- 通用标题 ---------- */
.page-contact .ct-h2 {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 700;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.28;
  letter-spacing: 0.01em;
}

/* ---------- 联系卡片 ---------- */
.page-contact .ct-channels {
  margin-top: var(--ct-block);
}

.page-contact .ct-channels__grid {
  margin-top: 20px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--paper);
  transition: transform var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .ct-card--paper { background: var(--paper); }
.page-contact .ct-card--moss { background: var(--moss); }
.page-contact .ct-card--clay { background: var(--clay); }

.page-contact .ct-card__no {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--teal);
}

.page-contact .ct-card__title {
  margin: 0;
  font-family: var(--f-body);
  font-weight: 800;
  font-size: 15px;
  letter-spacing: 0.14em;
  color: var(--ink);
}

.page-contact .ct-card__value {
  margin: 0;
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: clamp(15px, 2.1vw, 20px);
  line-height: 1.4;
  overflow-wrap: anywhere;
  color: var(--pine);
}

.page-contact .ct-card__value a {
  color: var(--pine);
  text-decoration: underline;
  text-decoration-color: var(--orange);
  text-decoration-thickness: 2px;
  text-underline-offset: 5px;
}

.page-contact .ct-card__value a:hover {
  color: var(--orange-deep);
}

.page-contact .ct-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

.page-contact .ct-card__meta {
  margin: auto 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--ct-line);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: #4a5257;
}

/* ---------- 图片 ---------- */
.page-contact .ct-visual {
  margin: 1px 0 0;
  border: 1px solid var(--ct-line);
  background: var(--paper);
  overflow: hidden;
}

.page-contact .ct-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  max-width: 100%;
}

.page-contact .ct-visual--wide {
  margin: var(--ct-block) 0 0;
}

.page-contact .ct-visual--wide img {
  aspect-ratio: 21 / 9;
}

.page-contact .ct-visual__cap {
  padding: 10px 14px;
  border-top: 1px solid var(--ct-line);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: #4a5257;
}

/* ---------- 反馈四项 ---------- */
.page-contact .ct-brief {
  margin-top: var(--ct-block);
}

.page-contact .ct-brief__lede {
  margin: 14px 0 0;
  max-width: 52ch;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

.page-contact .ct-brief__list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--ct-line);
  border: 1px solid var(--ct-line);
}

.page-contact .ct-brief__item {
  background: var(--paper);
  padding: 20px;
}

.page-contact .ct-brief__no {
  display: block;
  margin-bottom: 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-contact .ct-brief__item h3 {
  margin: 0 0 6px;
  font-family: var(--f-body);
  font-weight: 800;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--ink);
}

.page-contact .ct-brief__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ct-ink-soft);
}

/* ---------- 下半区 ---------- */
.page-contact .ct-lower {
  margin-top: var(--ct-block);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
}

.page-contact .ct-collab__p {
  margin: 16px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--ct-ink-soft);
}

.page-contact .ct-collab__p a {
  color: var(--lake);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact .ct-collab__p a:hover {
  color: var(--orange-deep);
}

.page-contact .ct-hint {
  margin-top: 26px;
  padding: 18px 20px;
  background: var(--paper);
  border-left: 4px solid var(--teal);
}

.page-contact .ct-hint__k {
  margin: 0 0 6px;
  font-family: var(--f-body);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--teal);
}

.page-contact .ct-hint__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

.page-contact .ct-hint__v a {
  color: var(--lake);
  font-weight: 600;
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 站点信息 ---------- */
.page-contact .ct-site {
  border: 1px solid var(--ct-line);
  background: var(--paper);
  padding: 20px;
}

.page-contact .ct-site__title {
  margin: 0 0 14px;
  font-family: var(--f-body);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: 0.18em;
  color: var(--pine);
}

.page-contact .ct-site__list {
  margin: 0;
  padding: 0;
  font-size: 12px;
  line-height: 1.7;
}

.page-contact .ct-site__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 9px 0;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-site__row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .ct-site__row dt {
  color: #5a6367;
  letter-spacing: 0.08em;
}

.page-contact .ct-site__row dd {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  color: var(--ink);
  text-align: right;
  overflow-wrap: anywhere;
}

.page-contact .ct-site__icp {
  letter-spacing: 0.04em;
}

/* ---------- 悬停 ---------- */
@media (hover: hover) {
  .page-contact .ct-card:hover {
    transform: translateY(-2px);
  }
  .page-contact .ct-card--paper:hover { background: #F1ECE3; }
  .page-contact .ct-card--moss:hover { background: #AACEC6; }
  .page-contact .ct-card--clay:hover { background: #F4B78F; }
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-contact .ct-brief__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-visual--wide img {
    aspect-ratio: 24 / 9;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .ct-brief__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .ct-visual img {
    aspect-ratio: 21 / 9;
  }
  .page-contact .ct-lower {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
  .page-contact .ct-site {
    padding: 24px;
  }
}

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