/* ===== 服务联络台 · page-contact ===== */

.page-contact {
  --ct-line-ink: rgba(26, 21, 18, .14);
  --ct-line-night: rgba(244, 232, 208, .22);
  background: var(--c-cream);
  color: var(--c-brown);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */

.page-contact .ct-hero {
  position: relative;
  background-color: var(--c-night);
  background-image:
    linear-gradient(rgba(244, 232, 208, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 232, 208, .05) 1px, transparent 1px);
  background-size: 34px 34px;
  color: var(--c-paper);
  padding-top: clamp(56px, 9vw, 96px);
  padding-bottom: clamp(40px, 7vw, 76px);
  border-bottom: 4px solid var(--c-shadow);
}

.page-contact .ct-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(24px, 4vw, 34px);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-steel);
}

.page-contact .ct-crumbs a {
  color: var(--paper-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--ct-line-night);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .ct-crumbs a:hover {
  color: var(--c-signal);
  border-bottom-color: var(--c-signal);
}

.page-contact .ct-crumbs a:focus-visible {
  outline: 3px solid var(--c-signal);
  outline-offset: 3px;
}

.page-contact .ct-crumbs__sep {
  color: rgba(244, 232, 208, .34);
}

.page-contact .ct-crumbs__here {
  color: var(--c-paper);
}

.page-contact .ct-hero__body {
  display: grid;
  gap: clamp(28px, 5vw, 46px);
  align-items: end;
}

.page-contact .ct-kicker {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--c-signal);
}

.page-contact .ct-kicker__dot {
  width: 9px;
  height: 9px;
  flex: none;
  background: var(--c-signal);
  box-shadow: 0 0 0 3px rgba(255, 107, 53, .22);
}

.page-contact .ct-hero__title {
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(46px, 12vw, 104px);
  line-height: .94;
  letter-spacing: -.02em;
  color: var(--c-paper);
}

.page-contact .ct-hero__lede {
  margin: 0 0 20px;
  max-width: 46ch;
  font-size: clamp(15px, 3.7vw, 17px);
  line-height: 1.75;
  color: var(--paper-soft);
}

.page-contact .ct-hero__note {
  margin: 0;
  padding-left: 12px;
  border-left: 4px solid var(--c-signal);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-steel);
}

.page-contact .ct-hero__fig {
  margin: 0;
  background: var(--c-deep);
  border: 2px solid var(--c-shadow);
  box-shadow: 7px 7px 0 var(--c-signal);
}

.page-contact .ct-hero__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-hero__cap {
  padding: 11px 14px;
  border-top: 2px solid var(--c-shadow);
  background: var(--c-paper);
  color: var(--c-brown);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

/* ---------- 通用色带 ---------- */

.page-contact .ct-band {
  padding: clamp(44px, 8vw, 84px) 0;
  border-top: 2px solid var(--c-shadow);
}

.page-contact .ct-band--paper {
  background: var(--c-cream);
  color: var(--c-brown);
}

.page-contact .ct-band--deep {
  background: var(--c-deep);
  color: var(--c-paper);
}

.page-contact .ct-band--night {
  background-color: var(--c-night);
  background-image:
    linear-gradient(rgba(244, 232, 208, .05) 1px, transparent 1px),
    linear-gradient(90deg, rgba(244, 232, 208, .05) 1px, transparent 1px);
  background-size: 34px 34px;
  color: var(--c-paper);
  border-top: 4px solid var(--c-shadow);
}

/* ---------- 章节头 ---------- */

.page-contact .ct-head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  align-items: baseline;
  column-gap: 16px;
  row-gap: 8px;
  padding-top: 18px;
  border-top: 3px solid var(--c-rust);
  margin-bottom: clamp(26px, 4.5vw, 44px);
}

.page-contact .ct-head--invert {
  border-top-color: var(--c-signal);
}

.page-contact .ct-head__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-rust);
}

.page-contact .ct-head--invert .ct-head__idx {
  color: var(--c-signal);
}

.page-contact .ct-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(26px, 5.6vw, 38px);
  line-height: 1.1;
  letter-spacing: -.01em;
}

.page-contact .ct-head__lede {
  grid-column: 1 / -1;
  margin: 0;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-contact .ct-band--deep .ct-head__lede,
.page-contact .ct-band--night .ct-head__lede {
  color: var(--paper-soft);
}

/* ---------- 联络渠道卡 ---------- */

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

.page-contact .ct-channel {
  display: grid;
  align-content: start;
  gap: 9px;
  padding: 22px 20px 24px;
  background: var(--c-paper);
  border: 2px solid var(--c-brown);
  box-shadow: 6px 6px 0 var(--c-shadow);
  transition: transform .22s var(--ease), box-shadow .22s var(--ease);
}

.page-contact .ct-channel:hover,
.page-contact .ct-channel:focus-within {
  transform: translate(-3px, -3px);
  box-shadow: 10px 10px 0 var(--c-signal);
}

.page-contact .ct-channel:focus-visible {
  outline: 3px solid var(--c-signal);
  outline-offset: 4px;
}

.page-contact .ct-channel__idx {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-rust);
}

.page-contact .ct-channel__kind {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  line-height: 1.2;
  letter-spacing: .01em;
  color: var(--c-brown);
}

.page-contact .ct-channel__value {
  margin: 0;
  padding-bottom: 8px;
  border-bottom: 2px solid var(--c-signal);
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.7vw, 17px);
  line-height: 1.55;
  color: var(--c-night);
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .ct-channel__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--c-rust);
}

/* ---------- 回复时段与用途边界 ---------- */

.page-contact .ct-window__grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-scale {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 2px solid var(--c-signal);
}

.page-contact .ct-scale__item {
  position: relative;
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  align-items: baseline;
  gap: 14px;
  padding: 14px 0 14px 20px;
  border-bottom: 1px solid var(--ct-line-night);
}

.page-contact .ct-scale__item::before {
  content: "";
  position: absolute;
  left: -7px;
  top: 20px;
  width: 12px;
  height: 12px;
  box-sizing: border-box;
  background: var(--c-night);
  border: 2px solid var(--c-signal);
}

.page-contact .ct-scale__time {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--c-signal);
}

.page-contact .ct-scale__label {
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-soft);
}

.page-contact .ct-window__fig {
  margin: 0;
  background: var(--c-night);
  border: 2px solid var(--c-shadow);
  box-shadow: 7px 7px 0 var(--c-signal);
}

.page-contact .ct-window__fig img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border-bottom: 2px solid var(--c-shadow);
}

.page-contact .ct-window__cap {
  padding: 11px 14px;
  background: var(--c-paper);
  color: var(--c-brown);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
}

.page-contact .ct-fold {
  margin-top: 30px;
  background: rgba(6, 24, 29, .38);
  border: 2px solid var(--ct-line-night);
}

.page-contact .ct-fold__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16.5px;
  letter-spacing: .02em;
  color: var(--c-paper);
}

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

.page-contact .ct-fold__summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--c-signal);
}

.page-contact .ct-fold[open] .ct-fold__summary::after {
  content: "－";
}

.page-contact .ct-fold__summary:focus-visible {
  outline: 3px solid var(--c-signal);
  outline-offset: -3px;
}

.page-contact .ct-fold__body {
  display: grid;
  gap: 12px;
  padding: 4px 20px 20px;
  margin-top: -2px;
  border-top: 1px solid var(--ct-line-night);
  padding-top: 16px;
}

.page-contact .ct-fold__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-soft);
}

.page-contact .ct-fold__body a {
  color: var(--c-signal);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
}

.page-contact .ct-fold__body a:focus-visible {
  outline: 3px solid var(--c-signal);
  outline-offset: 3px;
}

/* ---------- 寄送与到访提示 ---------- */

.page-contact .ct-visit {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--ct-line-ink);
}

.page-contact .ct-visit__item {
  display: grid;
  gap: 8px;
  padding: 22px 0 22px 18px;
  border-bottom: 1px solid var(--ct-line-ink);
  border-left: 4px solid var(--c-rust);
}

.page-contact .ct-visit__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: .01em;
  color: var(--c-brown);
}

.page-contact .ct-visit__text {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 备案与站点信息 ---------- */

.page-contact .ct-facts {
  margin: 0 0 30px;
  display: grid;
  border-top: 1px solid var(--ct-line-night);
}

.page-contact .ct-facts__row {
  display: grid;
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--ct-line-night);
}

.page-contact .ct-facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-steel);
}

.page-contact .ct-facts dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.68;
  color: var(--c-paper);
}

.page-contact .ct-relay {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .ct-relay__link {
  padding: 9px 15px;
  border: 2px solid var(--ct-line-night);
  color: var(--paper-soft);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  text-decoration: none;
  transition: border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}

.page-contact .ct-relay__link:hover {
  color: var(--c-signal);
  border-color: var(--c-signal);
  transform: translateY(-2px);
}

.page-contact .ct-relay__link:focus-visible {
  outline: 3px solid var(--c-signal);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 780px) {
  .page-contact .ct-channels {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }

  .page-contact .ct-head__lede {
    grid-column: 2 / 3;
  }

  .page-contact .ct-visit__item {
    grid-template-columns: minmax(0, 230px) minmax(0, 1fr);
    align-items: start;
    column-gap: 26px;
    padding-left: 22px;
  }

  .page-contact .ct-visit__item > .ct-visit__text {
    margin-top: 3px;
  }

  .page-contact .ct-facts__row {
    grid-template-columns: 170px minmax(0, 1fr);
    align-items: baseline;
    gap: 22px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__body {
    grid-template-columns: minmax(0, 1.04fr) minmax(0, .96fr);
  }

  .page-contact .ct-hero__lead {
    padding-bottom: 8px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-window__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.08fr);
    align-items: center;
    gap: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-channel,
  .page-contact .ct-relay__link {
    transition: none;
  }

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