.page-contact {
  --ct-line: rgba(143, 166, 162, .42);
  --ct-line-hard: rgba(143, 166, 162, .85);
  --ct-gap: clamp(46px, 7vw, 92px);
  --ct-radius: 0px;
  background: var(--sand);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.85;
}

.page-contact a {
  color: var(--peacock-deep);
  text-decoration-color: var(--ct-line-hard);
  text-underline-offset: 3px;
}

.page-contact .ct-sec {
  padding: var(--ct-gap) 0;
}

/* ---------- 首屏 ---------- */

.ct-hero {
  position: relative;
  overflow: hidden;
  background: var(--clay);
  color: var(--paper);
  padding: clamp(30px, 6vw, 56px) 0 clamp(70px, 11vw, 132px);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - clamp(22px, 4vw, 58px)), 0 100%);
}

.ct-hero::before {
  content: "";
  position: absolute;
  top: -28%;
  right: -16%;
  width: 62%;
  height: 168%;
  background: var(--clay-deep);
  transform: rotate(13deg);
  opacity: .62;
  pointer-events: none;
}

.ct-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(251, 247, 241, .12) 1px, transparent 1px),
    linear-gradient(90deg, rgba(251, 247, 241, .12) 1px, transparent 1px);
  background-size: 78px 78px;
  pointer-events: none;
}

.ct-hero__inner {
  position: relative;
  z-index: 1;
}

.ct-hero__crumb .breadcrumb__link {
  color: rgba(251, 247, 241, .78);
}

.ct-hero__eyebrow {
  margin: 26px 0 0;
  font-size: .76rem;
  letter-spacing: .22em;
  color: var(--gold);
}

.ct-hero__title {
  margin: .28em 0 .5em;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(2.25rem, 9vw, 4.9rem);
  line-height: 1.0;
  letter-spacing: -.012em;
  max-width: 14em;
}

.ct-hero__lead {
  margin: 0 0 34px;
  max-width: 46ch;
  font-size: clamp(1rem, 3.5vw, 1.08rem);
  color: rgba(251, 247, 241, .86);
}

.ct-hero__meta {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid rgba(251, 247, 241, .34);
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  font-size: .95rem;
}

.ct-hero__meta .mono {
  color: var(--gold);
  margin-right: 8px;
  font-size: .82rem;
  letter-spacing: .1em;
}

/* ---------- 章节抬头 ---------- */

.page-contact .ct-sec-head {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
  padding-top: 20px;
  border-top: 1px solid var(--ct-line-hard);
  margin-bottom: clamp(26px, 4.6vw, 48px);
}

.ct-sec-head__idx {
  margin: 0;
  font-size: .76rem;
  letter-spacing: .18em;
  color: var(--peacock);
}

.ct-sec-head__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.42rem, 5.2vw, 2.25rem);
  line-height: 1.16;
  letter-spacing: -.006em;
}

.ct-sec-head__desc {
  margin: 0;
  max-width: 54ch;
  color: var(--ink-soft);
  font-size: clamp(.96rem, 3.4vw, 1rem);
}

@media (min-width: 900px) {
  .page-contact .ct-sec-head {
    grid-template-columns: 96px minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: start;
    gap: 0 34px;
  }
  .ct-sec-head__idx {
    padding-top: 8px;
  }
}

/* ---------- 三条通道 ---------- */

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

.ct-channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  background: var(--paper);
  padding: 26px 22px 30px;
  border-top: 3px solid var(--clay-light);
  transition: background var(--fast) var(--ease);
}

.ct-channel--a { border-top-color: var(--clay); }
.ct-channel--b { border-top-color: var(--clay-light); }
.ct-channel--c { border-top-color: var(--peacock); }

.ct-channel:hover,
.ct-channel:focus-within {
  background: #F6EFE4;
}

.ct-channel__idx {
  margin: 0;
  font-size: .72rem;
  letter-spacing: .16em;
  color: var(--ink-mute);
}

.ct-channel__name {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.2rem, 4.4vw, 1.5rem);
  line-height: 1.2;
}

.ct-channel__for {
  margin: 0;
  color: var(--ink-soft);
  font-size: .96rem;
}

.ct-channel__value,
.ct-channel__ready {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(.92rem, 3.3vw, 1.04rem);
  letter-spacing: .01em;
  color: var(--peacock-deep);
  word-break: break-word;
}

.ct-channel__value {
  padding: 10px 0;
  border-top: 1px solid var(--ct-line);
  border-bottom: 1px solid var(--ct-line);
}

.ct-channel__note {
  margin: 0;
  font-size: .9rem;
  color: var(--ink-mute);
}

.ct-channel__link {
  margin-top: auto;
  align-self: flex-start;
  font-size: .92rem;
  font-weight: 600;
  color: var(--peacock);
  text-decoration: underline;
  text-decoration-color: var(--peacock);
}

@media (min-width: 860px) {
  .ct-channels__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 四步流程 ---------- */

.ct-flow__figure {
  margin: 0 0 clamp(30px, 5vw, 50px);
}

.ct-flow__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1400 / 800;
  object-fit: cover;
  border: 1px solid var(--ct-line);
}

.ct-flow__figure .media__caption {
  display: block;
  margin-top: 12px;
  font-size: .86rem;
  color: var(--ink-mute);
  border-left: 2px solid var(--gold);
  padding-left: 12px;
}

.ct-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
}

.ct-step {
  position: relative;
  padding: 26px 0 26px 62px;
  border-bottom: 1px solid var(--ct-line);
}

.ct-step:first-child {
  border-top: 1px solid var(--ct-line);
}

.ct-step__num {
  position: absolute;
  left: 0;
  top: 26px;
  width: 42px;
  height: 42px;
  display: grid;
  place-items: center;
  background: var(--clay);
  color: var(--paper);
  font-size: .9rem;
  letter-spacing: .04em;
}

.ct-step:not(:last-child)::before {
  content: "";
  position: absolute;
  left: 20px;
  top: 68px;
  bottom: -1px;
  width: 1px;
  background: var(--ct-line-hard);
}

.ct-step__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(1.06rem, 3.9vw, 1.24rem);
  line-height: 1.3;
}

.ct-step__desc {
  margin: 0;
  color: var(--ink-soft);
  font-size: .96rem;
}

@media (min-width: 900px) {
  .ct-flow__steps {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 0 30px;
  }
  .ct-step {
    padding: 26px 0 0;
    border-bottom: 0;
    border-top: 2px solid var(--clay-light);
  }
  .ct-step:first-child {
    border-top-color: var(--clay);
  }
  .ct-step:not(:last-child)::before {
    display: none;
  }
  .ct-step__num {
    position: static;
    width: auto;
    height: auto;
    display: block;
    background: none;
    color: var(--clay);
    font-size: .8rem;
    letter-spacing: .18em;
    margin-bottom: 10px;
  }
}

/* ---------- 场景对照 ---------- */

.ct-map__filters {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 22px;
}

.ct-map__filters .chip {
  border-radius: 0;
}

.ct-map__table {
  min-width: 660px;
}

.ct-map__caption {
  caption-side: top;
  text-align: left;
  padding: 0 0 12px;
  font-size: .86rem;
  color: var(--ink-mute);
}

.ct-map__table tbody th {
  text-align: left;
  font-weight: 700;
  color: var(--ink);
  white-space: nowrap;
}

.ct-map__table tbody tr[hidden] {
  display: none;
}

.ct-map__hint {
  margin: 22px 0 0;
  font-size: .93rem;
  color: var(--ink-soft);
  border-left: 2px solid var(--peacock);
  padding-left: 14px;
}

/* ---------- 时段与边界 ---------- */

.ct-window {
  background: var(--peacock-deep);
  color: var(--paper);
}

.ct-window__panel {
  border-top: 1px solid rgba(251, 247, 241, .3);
  padding-top: 22px;
}

.ct-window__idx {
  color: var(--gold);
}

.ct-window__title {
  color: var(--paper);
  margin: 8px 0 12px;
}

.ct-window__lead {
  margin: 0 0 clamp(26px, 4vw, 42px);
  max-width: 52ch;
  color: rgba(251, 247, 241, .78);
  font-size: .98rem;
}

.ct-window__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: rgba(251, 247, 241, .18);
}

.ct-window__item {
  background: var(--peacock-deep);
  padding: 20px 0 22px;
}

.ct-window__tag {
  margin: 0 0 6px;
  font-size: .74rem;
  letter-spacing: .18em;
  color: var(--gold);
}

.ct-window__text {
  margin: 0;
  color: rgba(251, 247, 241, .88);
  font-size: .96rem;
  max-width: 62ch;
}

.ct-window__item--edge .ct-window__tag {
  color: var(--clay-light);
}

@media (min-width: 900px) {
  .ct-window__item {
    display: grid;
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 0 28px;
    align-items: baseline;
    padding: 22px 0;
  }
  .ct-window__tag {
    margin: 0;
  }
}

/* ---------- 地址与备案 ---------- */

.ct-place {
  padding-top: 0;
}

.ct-place__strip {
  margin-bottom: clamp(26px, 4.4vw, 44px);
  border-top: 1px solid var(--ct-line-hard);
  border-bottom: 1px solid var(--ct-line-hard);
}

.ct-place__strip img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 1400 / 700;
  object-fit: cover;
  max-height: 220px;
}

.ct-place__title {
  margin: 8px 0 clamp(20px, 3.4vw, 32px);
}

.ct-place__list {
  margin: 0;
  border-top: 1px solid var(--ct-line);
}

.ct-place__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px 24px;
  padding: 14px 0;
  border-bottom: 1px solid var(--ct-line);
}

.ct-place__key {
  font-size: .82rem;
  letter-spacing: .1em;
  color: var(--ink-mute);
}

.ct-place__val {
  margin: 0;
  font-size: 1rem;
  color: var(--ink);
}

.ct-place__note {
  margin: 20px 0 0;
  max-width: 68ch;
  font-size: .92rem;
  color: var(--ink-soft);
}

@media (min-width: 760px) {
  .ct-place__row {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
  }
}

/* ---------- 常见遗漏 ---------- */

.ct-miss__acc {
  border-top: 1px solid var(--ct-line);
}

.ct-miss__acc .accordion__item {
  border-bottom: 1px solid var(--ct-line);
}

.ct-miss__acc .accordion__trigger {
  display: flex;
  align-items: baseline;
  gap: 14px;
  width: 100%;
  text-align: left;
  background: none;
  border: 0;
  padding: 20px 32px 20px 0;
  font-family: var(--font-body);
  font-size: clamp(1rem, 3.6vw, 1.1rem);
  font-weight: 700;
  color: var(--ink);
  cursor: pointer;
  position: relative;
}

.ct-miss__acc .accordion__trigger::after {
  content: "+";
  position: absolute;
  right: 4px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--peacock);
}

.ct-miss__acc .accordion__trigger[aria-expanded="true"]::after {
  content: "–";
}

.ct-miss__code {
  flex: none;
  font-size: .78rem;
  letter-spacing: .12em;
  color: var(--clay);
  border: 1px solid var(--ct-line-hard);
  padding: 2px 7px;
}

.ct-miss__acc .accordion__panel {
  padding: 0 0 22px 0;
}

.ct-miss__acc .accordion__panel p {
  margin: 0;
  max-width: 70ch;
  color: var(--ink-soft);
  font-size: .96rem;
  border-left: 2px solid var(--gold);
  padding-left: 16px;
}

.ct-miss__foot {
  margin-top: clamp(26px, 4vw, 42px);
  padding-top: 22px;
  border-top: 1px solid var(--ct-line-hard);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.ct-miss__foot-text {
  margin: 0;
  font-size: .95rem;
  color: var(--ink-soft);
}

.page-contact .ct-miss__btn {
  border-radius: 0;
  flex: none;
}

@media (min-width: 900px) {
  .ct-miss__acc .accordion__trigger {
    padding-left: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .ct-channel,
  .ct-miss__acc .accordion__trigger {
    transition: none;
  }
}
</main>