.page-contact {
  --ct-space: clamp(52px, 7vw, 104px);
  --ct-hair: 1px;
  padding-bottom: calc(var(--ct-space) * 1.2);
}

.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  padding: clamp(24px, 4vw, 44px) 0 clamp(48px, 6vw, 76px);
  overflow: hidden;
}

.page-contact .ct-hero__media {
  position: absolute;
  inset: 0 0 auto 0;
  height: clamp(280px, 52vw, 620px);
  z-index: -1;
  background: var(--ink-800);
}

.page-contact .ct-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(10, 18, 38, .58) 0%, rgba(10, 18, 38, .88) 62%, var(--bg) 100%),
    linear-gradient(90deg, rgba(10, 18, 38, .92) 0%, rgba(10, 18, 38, .34) 58%, rgba(138, 92, 255, .18) 100%);
}

.page-contact .ct-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .9;
}

.page-contact .ct-hero__inner {
  padding-top: clamp(28px, 6vw, 84px);
}

.page-contact .ct-crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .crumbs__link {
  color: var(--text-dim);
}

.page-contact .crumbs__link:hover,
.page-contact .crumbs__link:focus-visible {
  color: var(--cyan);
}

.page-contact .ct-hero__title {
  max-width: 22ch;
  margin: 6px 0 18px;
}

.page-contact .ct-hero__lead {
  max-width: 62ch;
  color: var(--text-dim);
}

.page-contact .ct-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px clamp(20px, 3vw, 44px);
  margin: clamp(26px, 4vw, 44px) 0 0;
  padding: clamp(16px, 2.4vw, 24px) 0 0;
  list-style: none;
  border-top: var(--ct-hair) solid var(--line);
}

.page-contact .ct-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 140px;
}

.page-contact .ct-hero__facts .mono {
  color: var(--gold);
  font-size: var(--fs-md);
  letter-spacing: .02em;
}

.page-contact .ct-hero__facts li > span:last-child {
  font-size: var(--fs-sm);
  color: var(--text-dim);
}

/* 章节通用 */
.page-contact .ct-head {
  max-width: 70ch;
  margin-bottom: clamp(30px, 4vw, 52px);
}

.page-contact .ct-head__title {
  margin: 8px 0 14px;
}

.page-contact .ct-head__lead {
  color: var(--text-dim);
  max-width: 58ch;
  margin: 0;
}

.page-contact .ct-sub {
  font-size: var(--fs-md);
  font-weight: 700;
  letter-spacing: -.01em;
  margin: 0 0 10px;
  color: var(--text);
}

.page-contact .ct-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: var(--ct-hair) solid rgba(53, 224, 208, .38);
  padding-bottom: 1px;
  word-break: break-all;
}

.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  border-bottom-color: var(--cyan);
  background: rgba(53, 224, 208, .1);
}

/* 01 联系路径 */
.page-contact .ct-paths {
  position: relative;
}

.page-contact .ct-paths__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .ct-timeline {
  position: relative;
  padding-left: 26px;
}

.page-contact .ct-timeline::before {
  content: "";
  position: absolute;
  left: 5px;
  top: 8px;
  bottom: 8px;
  width: var(--ct-hair);
  background: linear-gradient(180deg, var(--cyan), rgba(138, 92, 255, .5) 70%, transparent);
}

.page-contact .ct-node {
  position: relative;
  padding: 0 0 clamp(28px, 3.6vw, 44px);
}

.page-contact .ct-node:last-child {
  padding-bottom: 0;
}

.page-contact .ct-node::before {
  content: "";
  position: absolute;
  left: -25px;
  top: 6px;
  width: 11px;
  height: 11px;
  background: var(--bg);
  border: var(--ct-hair) solid var(--cyan);
  transform: rotate(45deg);
}

.page-contact .ct-node__time {
  display: inline-block;
  font-size: var(--fs-sm);
  color: var(--gold);
  letter-spacing: .06em;
  margin: 0 0 8px;
  padding: 2px 8px;
  border: var(--ct-hair) solid rgba(242, 179, 75, .34);
}

.page-contact .ct-node__title {
  font-size: var(--fs-md);
  margin: 0 0 10px;
  letter-spacing: -.01em;
}

.page-contact .ct-node__body p {
  color: var(--text-dim);
  margin: 0 0 10px;
  max-width: 46ch;
}

.page-contact .ct-node__body p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-node__meta {
  color: var(--text);
}

.page-contact .ct-copy {
  appearance: none;
  background: transparent;
  color: var(--text-dim);
  border: var(--ct-hair) solid var(--line);
  font: inherit;
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  padding: 6px 12px;
  cursor: pointer;
  transition: color .25s var(--ease), border-color .25s var(--ease), background .25s var(--ease);
}

.page-contact .ct-copy:hover,
.page-contact .ct-copy:focus-visible {
  color: var(--ink-900);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .ct-copy.is-done {
  color: var(--ok);
  border-color: rgba(78, 208, 138, .6);
  background: rgba(78, 208, 138, .1);
}

/* 联系卡 */
.page-contact .ct-card {
  align-self: start;
  background: var(--surface);
  border: var(--ct-hair) solid var(--line);
  padding: clamp(22px, 3vw, 34px);
  position: relative;
}

.page-contact .ct-card::after {
  content: "";
  position: absolute;
  inset: auto 0 0 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), var(--violet));
}

.page-contact .ct-card__head {
  padding-bottom: 16px;
  border-bottom: var(--ct-hair) solid rgba(242, 179, 75, .4);
  margin-bottom: 6px;
}

.page-contact .ct-card__title {
  font-size: var(--fs-md);
  margin: 6px 0 0;
  letter-spacing: -.01em;
}

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

.page-contact .ct-card__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 0;
  border-bottom: var(--ct-hair) dashed var(--line);
}

.page-contact .ct-card__row:last-child {
  border-bottom: 0;
}

.page-contact .ct-card__row dt {
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .ct-card__row dd {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--text);
  word-break: break-all;
}

.page-contact .ct-card__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: var(--ct-hair) solid var(--line);
  font-size: var(--fs-xs);
  color: var(--text-dim);
  line-height: 1.7;
}

/* 章节配图 */
.page-contact .ct-figure {
  margin: clamp(34px, 5vw, 62px) 0 0;
  border: var(--ct-hair) solid var(--line);
  background: var(--surface);
}

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .ct-figure .media-frame__cap {
  display: block;
  padding: 12px 16px;
  border-top: var(--ct-hair) solid var(--line);
  font-size: var(--fs-xs);
  color: var(--text-dim);
}

/* 02 服务时段 */
.page-contact .ct-band {
  border: var(--ct-hair) solid var(--line);
  background: var(--surface);
  padding: clamp(18px, 2.6vw, 28px);
  margin-bottom: clamp(30px, 4vw, 48px);
}

.page-contact .ct-band__label {
  font-size: var(--fs-sm);
  color: var(--gold);
  letter-spacing: .1em;
  margin: 0 0 12px;
}

.page-contact .ct-band__track {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
}

.page-contact .ct-band__track span {
  display: block;
  padding: 10px 14px;
  font-size: var(--fs-xs);
  letter-spacing: .04em;
  border: var(--ct-hair) solid var(--line);
}

.page-contact .ct-band__off {
  color: var(--muted);
  opacity: .55;
  background: repeating-linear-gradient(90deg, rgba(34, 48, 79, .5) 0 8px, transparent 8px 16px);
}

.page-contact .ct-band__on {
  color: var(--ink-900);
  background: linear-gradient(90deg, var(--cyan), rgba(138, 92, 255, .78));
  border-color: transparent;
  font-weight: 700;
}

.page-contact .ct-band__hint {
  margin: 12px 0 0;
  font-size: var(--fs-xs);
  color: var(--muted);
}

.page-contact .ct-hours__grid {
  row-gap: clamp(22px, 3vw, 34px);
}

.page-contact .ct-hours__cell {
  padding: 18px 0 0;
  border-top: var(--ct-hair) solid var(--line);
}

.page-contact .ct-hours__cell p {
  color: var(--text-dim);
  margin: 0;
  max-width: 44ch;
}

.page-contact .ct-hours__link {
  margin-top: 10px;
}

/* 03 反馈准备 */
.page-contact .ct-brief__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 52px);
}

.page-contact .ct-check {
  display: grid;
  grid-template-columns: 22px 1fr;
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-bottom: var(--ct-hair) solid var(--line);
  cursor: pointer;
}

.page-contact .ct-check:first-of-type {
  border-top: var(--ct-hair) solid var(--line);
}

.page-contact .ct-check input {
  position: absolute;
  opacity: 0;
  width: 1px;
  height: 1px;
}

.page-contact .ct-check__box {
  position: relative;
  width: 18px;
  height: 18px;
  margin-top: 3px;
  border: var(--ct-hair) solid var(--line);
  background: var(--surface);
  transition: border-color .22s var(--ease), background .22s var(--ease);
}

.page-contact .ct-check__box::after {
  content: "";
  position: absolute;
  left: 5px;
  top: 1px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink-900);
  border-bottom: 2px solid var(--ink-900);
  transform: rotate(42deg) scale(0);
  transition: transform .22s var(--ease);
}

.page-contact .ct-check:hover .ct-check__box,
.page-contact .ct-check input:focus-visible + .ct-check__box {
  border-color: var(--cyan);
}

.page-contact .ct-check input:focus-visible + .ct-check__box {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .ct-check input:checked + .ct-check__box {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .ct-check input:checked + .ct-check__box::after {
  transform: rotate(42deg) scale(1);
}

.page-contact .ct-check__text strong {
  display: block;
  font-size: var(--fs-base);
  margin-bottom: 4px;
}

.page-contact .ct-check__text span {
  display: block;
  font-size: var(--fs-sm);
  color: var(--text-dim);
  line-height: 1.7;
}

.page-contact .ct-brief__count {
  margin: 18px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  letter-spacing: .06em;
  color: var(--gold);
}

.page-contact .ct-brief__aside {
  border: var(--ct-hair) solid var(--line);
  background: var(--surface);
  padding: clamp(20px, 3vw, 30px);
  align-self: start;
}

.page-contact .ct-brief__aside p {
  color: var(--text-dim);
  margin: 0 0 14px;
}

.page-contact .ct-brief__fine {
  font-size: var(--fs-xs);
  padding-top: 14px;
  border-top: var(--ct-hair) solid var(--line);
}

/* 04 合作共建 */
.page-contact .ct-coop {
  background:
    linear-gradient(180deg, transparent, rgba(138, 92, 255, .06) 40%, transparent);
}

.page-contact .ct-coop__grid {
  row-gap: clamp(26px, 3.6vw, 44px);
}

.page-contact .ct-coop__cell {
  border: var(--ct-hair) solid var(--line);
  background: var(--surface);
  padding: clamp(20px, 2.6vw, 28px);
  transition: transform .28s var(--ease), border-color .28s var(--ease);
}

.page-contact .ct-coop__cell:hover,
.page-contact .ct-coop__cell:focus-within {
  transform: translateY(-4px);
  border-color: var(--cyan);
}

.page-contact .ct-coop__no {
  color: var(--gold);
  margin: 0 0 10px;
}

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

.page-contact .ct-list li {
  position: relative;
  padding: 9px 0 9px 16px;
  font-size: var(--fs-sm);
  color: var(--text-dim);
  border-bottom: var(--ct-hair) dashed rgba(34, 48, 79, .9);
}

.page-contact .ct-list li:last-child {
  border-bottom: 0;
}

.page-contact .ct-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 17px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  transform: rotate(45deg);
}

.page-contact .ct-coop__cta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 18px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding-top: clamp(20px, 3vw, 28px);
  border-top: var(--ct-hair) solid var(--line);
}

.page-contact .ct-coop__cta .muted {
  font-size: var(--fs-sm);
}

/* 05 属地与备案 */
.page-contact .ct-legal__grid {
  row-gap: clamp(26px, 4vw, 44px);
}

.page-contact .ct-legal__list {
  margin: 0 0 18px;
}

.page-contact .ct-legal__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 0;
  border-bottom: var(--ct-hair) solid var(--line);
}

.page-contact .ct-legal__row:first-child {
  border-top: var(--ct-hair) solid var(--line);
}

.page-contact .ct-legal__row dt {
  font-size: var(--fs-xs);
  letter-spacing: .14em;
  color: var(--muted);
}

.page-contact .ct-legal__row dd {
  margin: 0;
  font-size: var(--fs-sm);
  color: var(--text);
  word-break: break-all;
}

.page-contact .ct-legal__note {
  font-size: var(--fs-sm);
  color: var(--text-dim);
  border-left: 2px solid var(--gold);
  padding: 4px 0 4px 14px;
  margin: 0;
}

.page-contact .ct-map {
  position: relative;
  aspect-ratio: 4 / 3;
  border: var(--ct-hair) solid var(--line);
  background: var(--surface);
  overflow: hidden;
}

.page-contact .ct-map__grid {
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(34, 48, 79, .85) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 48, 79, .85) 1px, transparent 1px);
  background-size: 24px 24px;
}

.page-contact .ct-map::before,
.page-contact .ct-map::after {
  content: "";
  position: absolute;
  background: rgba(53, 224, 208, .28);
}

.page-contact .ct-map::before {
  left: 0;
  right: 0;
  top: 58%;
  height: 1px;
}

.page-contact .ct-map::after {
  top: 0;
  bottom: 0;
  left: 38%;
  width: 1px;
}

.page-contact .ct-map__axis {
  position: absolute;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .ct-map__axis--x {
  left: 8px;
  top: calc(58% + 6px);
}

.page-contact .ct-map__axis--y {
  left: calc(38% + 8px);
  bottom: 8px;
}

.page-contact .ct-map__dot {
  position: absolute;
  left: calc(38% - 4px);
  top: calc(58% - 4px);
  width: 9px;
  height: 9px;
  background: var(--gold);
  transform: rotate(45deg);
  z-index: 2;
}

.page-contact .ct-map__ring {
  position: absolute;
  left: calc(38% - 34px);
  top: calc(58% - 34px);
  width: 68px;
  height: 68px;
  border: var(--ct-hair) solid rgba(242, 179, 75, .5);
  border-radius: 50%;
}

.page-contact .ct-map__pin {
  position: absolute;
  left: 12px;
  bottom: 12px;
  margin: 0;
  font-size: var(--fs-xs);
  line-height: 1.6;
  color: var(--text);
  padding: 8px 12px;
  background: rgba(10, 18, 38, .82);
  border: var(--ct-hair) solid var(--line);
}

.page-contact .ct-map__cap {
  display: block;
  margin-top: 12px;
  font-size: var(--fs-xs);
  color: var(--text-dim);
}

/* 06 收尾 */
.page-contact .ct-tail__inner {
  max-width: 68ch;
  padding: clamp(28px, 4vw, 46px) 0 clamp(12px, 2vw, 20px);
  border-top: var(--ct-hair) solid var(--line);
}

.page-contact .ct-tail__title {
  font-size: clamp(26px, 4vw, 38px);
  margin: 10px 0 16px;
  line-height: 1.35;
}

.page-contact .ct-tail__lead {
  color: var(--text-dim);
  margin: 0 0 clamp(22px, 3vw, 32px);
}

.page-contact .ct-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* 响应式 */
@media (min-width: 640px) {
  .page-contact .ct-band__track {
    grid-template-columns: 1fr 2.4fr 1fr;
    align-items: stretch;
  }

  .page-contact .ct-card__row,
  .page-contact .ct-legal__row {
    grid-template-columns: 120px 1fr;
    gap: 16px;
    align-items: baseline;
  }

  .page-contact .ct-card__row dt,
  .page-contact .ct-legal__row dt {
    padding-top: 2px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-paths__grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(280px, 1fr);
    align-items: start;
  }

  .page-contact .ct-brief__grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(280px, 1fr);
    align-items: start;
  }

  .page-contact .ct-node__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .ct-figure {
    margin-left: auto;
    width: min(72%, 860px);
  }

  .page-contact .ct-map {
    aspect-ratio: 5 / 4;
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-paths__grid {
    grid-template-columns: minmax(0, 1.7fr) minmax(320px, 1fr);
    gap: clamp(40px, 5vw, 80px);
  }

  .page-contact .ct-legal__grid {
    column-gap: clamp(32px, 5vw, 72px);
  }

  .page-contact .ct-hero__title {
    font-size: clamp(44px, 5vw, 62px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-coop__cell,
  .page-contact .ct-check__box,
  .page-contact .ct-check__box::after,
  .page-contact .ct-copy {
    transition: none;
  }

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