.page-contact {
  --pc-rule: 1px solid var(--line-soft);
  --pc-rule-ink: 1px solid var(--line);
  --pc-rule-amber: 2px solid var(--amber);
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .reach-hero {
  position: relative;
  padding-top: calc(var(--header-h) + var(--sp-3));
  overflow: hidden;
}

.page-contact .reach-hero-grid {
  display: grid;
  gap: var(--sp-4);
  margin-top: var(--sp-4);
}

.page-contact .reach-hero-idx {
  color: var(--sea);
}

.page-contact .reach-hero-title {
  margin: var(--sp-3) 0 0;
  max-width: 12ch;
}

.page-contact .reach-lead {
  margin: 0;
  max-width: 46ch;
  color: var(--ink-body);
}

.page-contact .reach-jump {
  list-style: none;
  margin: var(--sp-4) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  border-top: var(--pc-rule-ink);
}

.page-contact .reach-jump-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 12px 4px 12px 0;
  border-bottom: var(--pc-rule);
  color: var(--ink);
  font-size: 14px;
  text-decoration: none;
  transition: color .24s var(--ease);
}

.page-contact .reach-jump-link:hover,
.page-contact .reach-jump-link:focus-visible {
  color: var(--sea);
}

.page-contact .reach-jump-num {
  color: var(--amber);
  font-size: 11px;
  letter-spacing: .18em;
}

.page-contact .reach-band {
  height: 48px;
  margin-top: var(--sp-5);
}

/* ---------- 主体双栏 ---------- */
.page-contact .reach-split {
  display: grid;
  gap: var(--sp-5);
}

.page-contact .reach-figure {
  margin: 0 0 var(--sp-4);
}

.page-contact .reach-frame {
  aspect-ratio: 10 / 7;
  background: var(--paper-raised);
}

.page-contact .reach-panel-title {
  margin: 0 0 var(--sp-2);
}

.page-contact .reach-panel-lead {
  margin: 0;
  color: var(--ink-body);
}

.page-contact .reach-index {
  list-style: none;
  margin: var(--sp-4) 0 0;
  padding: 0;
}

.page-contact .reach-row {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: var(--sp-2);
  padding: var(--sp-3) 0;
  border-top: var(--pc-rule-ink);
}

.page-contact .reach-row:last-child {
  border-bottom: var(--pc-rule-ink);
}

.page-contact .reach-coord {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--amber);
  padding-top: 2px;
}

.page-contact .reach-key {
  display: block;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--line);
}

.page-contact .reach-val {
  display: block;
  margin-top: 6px;
  font-size: clamp(15px, 2.2vw, 20px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .reach-val--addr {
  font-size: clamp(15px, 2vw, 18px);
  line-height: 1.6;
}

.page-contact .reach-desc {
  display: block;
  margin-top: 8px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
}

/* ---------- 右侧反馈 ---------- */
.page-contact .reach-form-idx {
  color: var(--sea);
}

.page-contact .reach-form-title {
  margin: var(--sp-2) 0 var(--sp-2);
}

.page-contact .reach-form-lead {
  margin: 0;
  color: var(--ink-body);
}

.page-contact .reach-step {
  margin: var(--sp-5) 0 var(--sp-2);
  padding-bottom: 8px;
  border-bottom: var(--pc-rule);
  font-size: 13px;
  color: var(--ink-body);
}

.page-contact .reach-step .mono {
  color: var(--sea);
  letter-spacing: .12em;
}

.page-contact .reach-types {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .reach-type {
  display: inline-block;
  padding: 9px 14px;
  border: 1px solid var(--line);
  color: var(--ink-body);
  font-size: 13px;
  line-height: 1.2;
  cursor: pointer;
  transition: background-color .24s var(--ease), color .24s var(--ease), border-color .24s var(--ease);
}

.page-contact .reach-type:hover {
  border-color: var(--ink);
  color: var(--ink);
}

.page-contact .reach-radio:checked + .reach-type {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--paper);
}

.page-contact .reach-radio:focus-visible + .reach-type {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-contact .reach-note {
  display: none;
  margin: var(--sp-2) 0 0;
  padding: 8px 0 8px var(--sp-2);
  border-left: 3px solid var(--amber);
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-body);
}

.page-contact .reach-note--score {
  display: block;
}

.page-contact .reach-wrap:has(#rt-alert:checked) .reach-note--score,
.page-contact .reach-wrap:has(#rt-collect:checked) .reach-note--score,
.page-contact .reach-wrap:has(#rt-coop:checked) .reach-note--score {
  display: none;
}

.page-contact .reach-wrap:has(#rt-alert:checked) .reach-note--alert,
.page-contact .reach-wrap:has(#rt-collect:checked) .reach-note--collect,
.page-contact .reach-wrap:has(#rt-coop:checked) .reach-note--coop {
  display: block;
}

.page-contact .reach-field {
  position: relative;
  margin-top: var(--sp-4);
}

.page-contact .reach-field::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--amber);
  pointer-events: none;
  transition: width .3s var(--ease);
}

.page-contact .reach-field:focus-within::after {
  width: calc(100% + 12px);
}

.page-contact .reach-field-label {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--line);
}

.page-contact .reach-input {
  display: block;
  width: 100%;
  padding: 10px 0;
  border: 0;
  border-bottom: 1px solid var(--line);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.6;
  transition: border-color .24s var(--ease);
}

.page-contact .reach-input:focus {
  outline: none;
  border-bottom-color: var(--amber);
}

.page-contact .reach-textarea {
  resize: vertical;
  min-height: 96px;
  font-size: 15px;
}

.page-contact .reach-hint {
  margin: var(--sp-2) 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--line);
}

.page-contact .reach-submit-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-3);
  margin-top: var(--sp-5);
  padding-top: var(--sp-3);
  border-top: var(--pc-rule-ink);
}

.page-contact .reach-submit {
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-contact .reach-arrow {
  display: inline-block;
  transition: transform .24s var(--ease);
}

.page-contact .reach-submit:hover .reach-arrow,
.page-contact .reach-submit:focus-visible .reach-arrow {
  transform: translateX(4px);
}

.page-contact .reach-hint--inline {
  margin: 0;
}

/* ---------- 回信时间 ---------- */
.page-contact .reach-hours-grid {
  align-items: end;
  row-gap: var(--sp-4);
}

.page-contact .reach-hours-idx {
  color: var(--amber);
  margin: 0 0 var(--sp-2);
}

.page-contact .reach-hours-title {
  margin: 0;
  color: var(--on-night-strong);
}

.page-contact .reach-hours-text {
  margin: var(--sp-2) 0 0;
  color: var(--on-night);
}

.page-contact .reach-hours-stats {
  margin: 0 0 var(--sp-3);
}

.page-contact .reach-hours-link {
  margin: var(--sp-3) 0 0;
}

.page-contact .reach-hours-link .link {
  color: var(--amber);
}

/* ---------- 合作与建议 ---------- */
.page-contact .reach-coop-head {
  margin-bottom: var(--sp-4);
}

.page-contact .reach-coop-grid {
  display: grid;
  gap: 0;
  border-top: var(--pc-rule-ink);
}

.page-contact .reach-coop-card {
  padding: var(--sp-4) 0;
  border-bottom: var(--pc-rule-ink);
}

.page-contact .reach-coop-num {
  display: block;
  margin-bottom: var(--sp-2);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--sea);
}

.page-contact .reach-coop-title {
  margin: 0 0 var(--sp-2);
  font-size: 20px;
  font-weight: 500;
  line-height: 1.3;
  color: var(--ink);
}

.page-contact .reach-coop-text {
  margin: 0 0 var(--sp-3);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-body);
}

.page-contact .reach-coop-link {
  font-size: 14px;
}

/* ---------- 底部 ---------- */
.page-contact .reach-city {
  margin: 0;
}

.page-contact .reach-city-frame {
  aspect-ratio: 3 / 2;
  background: var(--paper-raised);
}

.page-contact .reach-foot-line {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: var(--sp-2);
  margin-top: var(--sp-3);
  padding-top: var(--sp-2);
  border-top: var(--pc-rule-ink);
}

.page-contact .reach-foot-note {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--ink-body);
}

.page-contact .reach-icp {
  margin: 0;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--line);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .reach-jump {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .reach-coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .reach-coop-card {
    padding-right: var(--sp-4);
  }

  .page-contact .reach-coop-card + .reach-coop-card {
    padding-left: var(--sp-4);
    border-left: var(--pc-rule-ink);
  }
}

@media (min-width: 900px) {
  .page-contact .reach-hero {
    padding-top: calc(var(--header-h) + var(--sp-5));
  }

  .page-contact .reach-hero-grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: var(--sp-6);
    align-items: end;
    margin-top: var(--sp-5);
  }

  .page-contact .reach-hero-title {
    margin-top: var(--sp-4);
  }

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

  .page-contact .reach-band {
    height: 64px;
    margin-top: var(--sp-6);
  }

  .page-contact .reach-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 0;
    align-items: stretch;
  }

  .page-contact .reach-panel {
    padding-right: var(--sp-5);
    border-right: var(--pc-rule-ink);
  }

  .page-contact .reach-side {
    padding-left: var(--sp-5);
  }

  .page-contact .reach-form-head {
    padding-bottom: var(--sp-2);
  }
}

@media (min-width: 1180px) {
  .page-contact .reach-panel {
    padding-right: var(--sp-6);
  }

  .page-contact .reach-side {
    padding-left: var(--sp-6);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .reach-field::after,
  .page-contact .reach-arrow,
  .page-contact .reach-type,
  .page-contact .reach-jump-link,
  .page-contact .reach-input {
    transition: none;
  }

  .page-contact .reach-submit:hover .reach-arrow,
  .page-contact .reach-submit:focus-visible .reach-arrow {
    transform: none;
  }
}