.page-contact {
  --ct-gap: 18px;
  --ct-ink-soft: #3B4A43;
  background: var(--sf-rice);
  color: var(--sf-black);
}

.page-contact .ct-crumb {
  padding-top: 22px;
  padding-bottom: 6px;
}

.page-contact .ct-hero {
  padding: 8px 0 40px;
}

.page-contact .ct-hero__inner {
  border-top: 1px solid var(--sf-line);
  padding-top: 26px;
}

.page-contact .ct-hero__eyebrow {
  margin: 0 0 14px;
  color: var(--sf-copper);
}

.page-contact .ct-hero__title {
  margin: 0;
  font-family: var(--sf-font-display);
  font-weight: 800;
  font-size: clamp(30px, 7.4vw, 58px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--sf-ink);
  max-width: 14em;
}

.page-contact .ct-hero__lede {
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ct-ink-soft);
  max-width: 40em;
}

.page-contact .ct-hero__meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--sf-line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  font-family: var(--sf-font-mono);
  font-size: 13px;
  letter-spacing: .02em;
}

.page-contact .ct-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .ct-meta-key {
  color: var(--sf-stone);
}

.page-contact .ct-meta-val {
  color: var(--sf-ink);
  font-weight: 600;
}

.page-contact .ct-section-title {
  margin: 0;
  font-family: var(--sf-font-sans);
  font-weight: 700;
  font-size: clamp(21px, 4.4vw, 30px);
  line-height: 1.35;
  color: var(--sf-ink);
  letter-spacing: -.005em;
}

.page-contact .ct-section-title::after {
  content: "";
  display: block;
  width: 42px;
  height: 3px;
  margin-top: 12px;
  background: var(--sf-copper);
}

/* 三条通道卡片 */
.page-contact .ct-channels {
  padding: 6px 0 56px;
}

.page-contact .ct-channels__grid {
  margin-top: 26px;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--ct-gap);
  align-items: start;
}

.page-contact .ct-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 22px;
  background: var(--sf-paper);
  border: 1px solid var(--sf-line);
  border-radius: 4px;
  box-shadow: var(--sf-shadow-1);
  transition: transform 160ms var(--sf-ease), border-color 160ms var(--sf-ease), box-shadow 160ms var(--sf-ease);
}

.page-contact .ct-card:hover,
.page-contact .ct-card:focus-within {
  transform: translateY(-2px);
  border-color: var(--sf-copper);
  box-shadow: var(--sf-shadow-2);
}

.page-contact .ct-card__code {
  font-family: var(--sf-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--sf-copper);
}

.page-contact .ct-card__title {
  margin: 0;
  font-family: var(--sf-font-sans);
  font-size: 18px;
  font-weight: 700;
  color: var(--sf-ink);
}

.page-contact .ct-card__value {
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--sf-line);
  font-family: var(--sf-font-mono);
  font-size: clamp(15px, 4.2vw, 19px);
  line-height: 1.6;
  letter-spacing: .01em;
  color: var(--sf-black);
  word-break: break-word;
}

.page-contact .ct-card--mail .ct-card__value {
  border-bottom-color: var(--sf-copper);
}

.page-contact .ct-card__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ct-ink-soft);
}

.page-contact .ct-card__meta {
  margin: 8px 0 0;
  font-family: var(--sf-font-mono);
  font-size: 12.5px;
  letter-spacing: .03em;
  color: var(--sf-stone);
}

.page-contact .ct-card__meta::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 8px;
  vertical-align: middle;
  background: var(--sf-moss);
  border-radius: 1px;
}

/* 轮值时段 */
.page-contact .ct-hours {
  padding: 52px 0 56px;
  border-top: 1px solid var(--sf-line);
}

.page-contact .ct-hours__grid {
  gap: 32px;
}

.page-contact .ct-hours__text {
  margin: 20px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ct-ink-soft);
  max-width: 38em;
}

.page-contact .ct-hours__bar {
  margin-top: 26px;
  padding: 18px 16px 16px;
  background: var(--sf-paper);
  border: 1px solid var(--sf-line);
  border-radius: 4px;
}

.page-contact .ct-hours__svg {
  display: block;
  width: 100%;
  height: auto;
  overflow: visible;
}

.page-contact .ct-hours__svg-text {
  font-family: var(--sf-font-mono);
  font-size: 12px;
  letter-spacing: .03em;
  fill: var(--sf-stone);
}

.page-contact .ct-hours__hint {
  margin: 14px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--sf-stone);
}

.page-contact .ct-hours__note {
  margin-top: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--sf-ink);
}

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

/* 合作咨询 */
.page-contact .ct-coop {
  padding: 54px 0;
  background: var(--sf-ink);
  color: var(--sf-dark-text);
}

.page-contact .ct-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

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

.page-contact .ct-coop__eyebrow {
  margin: 0 0 12px;
  color: var(--sf-copper-light);
}

.page-contact .ct-coop__title {
  margin: 0;
  font-family: var(--sf-font-display);
  font-weight: 800;
  font-size: clamp(24px, 5.2vw, 36px);
  line-height: 1.3;
  color: var(--sf-dark-text);
}

.page-contact .ct-coop__text {
  margin: 18px 0 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: rgba(237, 231, 218, .86);
  max-width: 40em;
}

.page-contact .ct-coop__note {
  margin: 20px 0 0;
  padding: 12px 0 12px 16px;
  border-left: 2px solid var(--sf-copper);
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(237, 231, 218, .78);
}

.page-contact .ct-coop__links {
  margin-top: 24px;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
}

.page-contact .ct-coop__link {
  font-size: 14.5px;
  color: var(--sf-copper-light);
  text-decoration: none;
  border-bottom: 1px solid rgba(226, 164, 114, .45);
  padding-bottom: 2px;
  transition: border-color 160ms var(--sf-ease), color 160ms var(--sf-ease);
}

.page-contact .ct-coop__link:hover,
.page-contact .ct-coop__link:focus-visible {
  color: var(--sf-paper);
  border-bottom-color: var(--sf-copper-light);
}

/* 提问准备 */
.page-contact .ct-prep {
  padding: 54px 0 50px;
  border-bottom: 1px solid var(--sf-line);
}

.page-contact .ct-prep__grid {
  gap: 30px;
}

.page-contact .ct-prep__lede {
  margin: 20px 0 0;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ct-ink-soft);
  max-width: 38em;
}

.page-contact .ct-prep__list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--sf-line);
}

.page-contact .ct-prep__item {
  display: grid;
  grid-template-columns: 22px 1fr;
  grid-template-areas:
    "box key"
    "box val";
  gap: 6px 14px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--sf-line);
  cursor: pointer;
}

.page-contact .ct-prep__item input[type="checkbox"] {
  grid-area: box;
  appearance: none;
  -webkit-appearance: none;
  width: 18px;
  height: 18px;
  margin: 4px 0 0;
  border: 1px solid var(--sf-moss);
  border-radius: 2px;
  background: var(--sf-paper);
  position: relative;
  cursor: pointer;
  transition: background 160ms var(--sf-ease), border-color 160ms var(--sf-ease);
}

.page-contact .ct-prep__item input[type="checkbox"]:checked {
  background: var(--sf-copper);
  border-color: var(--sf-copper);
}

.page-contact .ct-prep__item input[type="checkbox"]:checked::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 5px;
  height: 10px;
  border: solid var(--sf-paper);
  border-width: 0 2px 2px 0;
  transform: rotate(45deg);
}

.page-contact .ct-prep__item input[type="checkbox"]:focus-visible {
  outline: 2px solid var(--sf-copper-deep);
  outline-offset: 2px;
}

.page-contact .ct-prep__key {
  grid-area: key;
  font-family: var(--sf-font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--sf-ink);
}

.page-contact .ct-prep__val {
  grid-area: val;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--ct-ink-soft);
}

.page-contact .ct-prep__item input:checked ~ .ct-prep__key,
.page-contact .ct-prep__item input:checked ~ .ct-prep__val {
  color: var(--sf-stone);
}

.page-contact .ct-prep__aside {
  padding: 20px 18px;
  background: var(--sf-paper);
  border: 1px solid var(--sf-line);
  border-left: 2px solid var(--sf-moss);
  border-radius: 0 4px 4px 0;
}

.page-contact .ct-prep__aside-title {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--sf-ink);
}

.page-contact .ct-prep__aside-text {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--ct-ink-soft);
}

.page-contact .ct-prep__aside-link {
  display: inline-block;
  margin-top: 14px;
  font-size: 14px;
  color: var(--sf-copper-deep);
  text-decoration: none;
  border-bottom: 1px solid var(--sf-copper-light);
  padding-bottom: 2px;
}

.page-contact .ct-prep__aside-link:hover,
.page-contact .ct-prep__aside-link:focus-visible {
  color: var(--sf-copper);
  border-bottom-color: var(--sf-copper);
}

/* 对外地址 */
.page-contact .ct-address {
  padding: 46px 0 54px;
}

.page-contact .ct-address__box {
  margin-top: 22px;
  padding-left: 18px;
  border-left: 1px solid var(--sf-ink);
  max-width: 44em;
}

.page-contact .ct-address__text {
  margin: 0;
  font-family: var(--sf-font-sans);
  font-weight: 700;
  font-size: clamp(17px, 3.6vw, 21px);
  line-height: 1.7;
  color: var(--sf-ink);
}

.page-contact .ct-address__note {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--sf-stone);
}

/* 结尾通栏 */
.page-contact .ct-band {
  background: var(--sf-rice);
  border-top: 3px solid var(--sf-copper);
  border-bottom: 1px solid var(--sf-line);
}

.page-contact .ct-band__inner {
  padding: 40px 0 46px;
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-contact .ct-band__title {
  margin: 0;
  font-family: var(--sf-font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.3;
  color: var(--sf-ink);
}

.page-contact .ct-band__text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--ct-ink-soft);
  max-width: 34em;
}

.page-contact .ct-band__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-contact .ct-band__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 13px 4px;
  border-bottom: 1px solid var(--sf-line);
  font-size: 15px;
  color: var(--sf-ink);
  text-decoration: none;
  transition: border-color 160ms var(--sf-ease), padding-left 160ms var(--sf-ease);
}

.page-contact .ct-band__link:hover,
.page-contact .ct-band__link:focus-visible {
  border-bottom-color: var(--sf-copper);
  padding-left: 8px;
}

.page-contact .ct-band__num {
  font-family: var(--sf-font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--sf-copper);
}

/* 平板 */
@media (min-width: 640px) {
  .page-contact .ct-channels__grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .ct-card--addr {
    grid-column: 1 / -1;
  }

  .page-contact .ct-prep__item {
    grid-template-columns: 22px minmax(96px, 132px) 1fr;
    grid-template-areas: "box key val";
    align-items: start;
    gap: 0 16px;
  }

  .page-contact .ct-prep__key {
    text-align: right;
    padding-top: 2px;
  }

  .page-contact .ct-band__inner {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
    align-items: start;
  }
}

/* 桌面：三张卡片错落 */
@media (min-width: 900px) {
  .page-contact .ct-hero {
    padding: 12px 0 48px;
  }

  .page-contact .ct-channels__grid {
    grid-template-columns: 1fr 1fr 1.28fr;
    gap: 24px;
  }

  .page-contact .ct-card--addr {
    grid-column: auto;
  }

  .page-contact .ct-card--mail {
    min-height: 368px;
  }

  .page-contact .ct-card--phone {
    margin-top: 34px;
    min-height: 312px;
  }

  .page-contact .ct-card--addr {
    margin-top: 68px;
    min-height: 264px;
  }

  .page-contact .ct-coop__grid {
    grid-template-columns: 5fr 7fr;
    gap: 40px;
    align-items: center;
  }

  .page-contact .ct-coop {
    padding: 62px 0;
  }

  .page-contact .ct-hours {
    padding: 62px 0;
  }

  .page-contact .ct-prep {
    padding: 62px 0 58px;
  }

  .page-contact .ct-band__inner {
    grid-template-columns: 1.05fr 1fr;
    padding: 46px 0 54px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-card,
  .page-contact .ct-coop__link,
  .page-contact .ct-band__link,
  .page-contact .ct-prep__aside-link {
    transition: none;
  }

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