.page-contact {
  padding-bottom: 56px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding: 22px 0 30px;
}

.page-contact .ct-hero__title {
  margin: 12px 0 14px;
  max-width: 18ch;
}

.page-contact .ct-hero__lead {
  margin: 0;
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.62;
  color: var(--ink-dim);
}

.page-contact .ct-lines {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 26px 0 20px;
}

.page-contact .ct-line {
  position: relative;
  padding: 18px 18px 18px 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 3px solid var(--red);
  border-radius: var(--r);
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}

.page-contact .ct-line:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(0, 0, 0, .3);
}

.page-contact .ct-line--tel {
  border-left-color: var(--amber);
}

.page-contact .ct-line__k {
  display: block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--ink-dim);
}

.page-contact .ct-line__main {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
}

.page-contact .ct-line__v {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(17px, 4.8vw, 24px);
  line-height: 1.3;
  color: var(--white);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease);
}

.page-contact .ct-line--mail .ct-line__v:hover,
.page-contact .ct-line--mail .ct-line__v:focus-visible {
  border-bottom-color: var(--red);
}

.page-contact .ct-line--tel .ct-line__v:hover,
.page-contact .ct-line--tel .ct-line__v:focus-visible {
  border-bottom-color: var(--amber);
}

.page-contact .ct-line__note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.58;
  color: var(--ink-dim);
}

.page-contact .ct-hero__hours {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 10px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-dim);
}

/* ---------- 事务与通道对照 ---------- */
.page-contact .ct-map {
  border-top: 1px solid var(--line);
}

.page-contact .ct-map__head {
  display: none;
}

.page-contact .ct-map__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 14px 6px;
  border-bottom: 1px solid var(--line);
  transition: background-color var(--ease), border-color var(--ease);
}

.page-contact .ct-map__task {
  font-size: 15px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
}

.page-contact .ct-map__way {
  display: flex;
}

.page-contact .ct-map__how {
  font-size: 13.5px;
  line-height: 1.58;
  color: var(--ink-dim);
}

.page-contact .ct-map__row:hover {
  background: rgba(229, 52, 63, .06);
  border-bottom-color: var(--red);
}

/* ---------- 合作与接口 ---------- */
.page-contact .ct-coop__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .ct-coop__panel {
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.page-contact .ct-coop__panel--how {
  background:
    linear-gradient(180deg, rgba(47, 210, 184, .07), rgba(21, 35, 50, 0) 58%),
    var(--panel);
  border-color: rgba(47, 210, 184, .3);
}

.page-contact .ct-coop__panel--how p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.62;
  color: var(--ink-dim);
}

.page-contact .ct-coop__panel--how .mono {
  color: var(--ink);
  font-weight: 700;
}

.page-contact .ct-coop__panel--how .btn {
  margin-top: 4px;
}

.page-contact .ct-bullets {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-bullets li {
  padding: 2px 0 2px 14px;
  border-left: 2px solid var(--line);
  transition: border-color var(--ease);
}

.page-contact .ct-bullets li:hover {
  border-left-color: var(--amber);
}

.page-contact .ct-bullets strong {
  display: block;
  margin-bottom: 3px;
  font-size: 14.5px;
  color: var(--ink);
}

.page-contact .ct-bullets span {
  font-size: 13.5px;
  line-height: 1.58;
  color: var(--ink-dim);
}

/* ---------- 数据纠错 ---------- */
.page-contact .ct-fix__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 22px;
}

.page-contact .ct-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .ct-steps__item {
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 12px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-contact .ct-steps__n {
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--teal);
}

.page-contact .ct-steps__item .h4 {
  margin: 0 0 4px;
}

.page-contact .ct-steps__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-dim);
}

.page-contact .media-frame {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.page-contact .ct-fix__fig {
  aspect-ratio: 3 / 2;
}

/* ---------- 地址 ---------- */
.page-contact .ct-addr__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-contact .ct-addr__fig {
  aspect-ratio: 12 / 7;
}

.page-contact .ct-addr__card {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 22px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: var(--r);
}

.page-contact .ct-addr__card .eyebrow {
  margin: 0;
}

.page-contact .ct-addr__line {
  margin: 10px 0 20px;
  font-size: clamp(18px, 3vw, 22px);
  font-weight: 700;
  line-height: 1.45;
  color: var(--white);
}

.page-contact .ct-addr__meta {
  margin: 0;
  display: grid;
  gap: 10px;
}

.page-contact .ct-addr__meta-row {
  display: grid;
  grid-template-columns: 84px 1fr;
  gap: 10px;
  padding-top: 10px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-addr__meta-row dt {
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--ink-dim);
}

.page-contact .ct-addr__meta-row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--ink);
}

/* ---------- 问答 ---------- */
.page-contact .ct-faq__list {
  border-top: 1px solid var(--line);
}

.page-contact .ct-faq__item {
  border-bottom: 1px solid var(--line);
  transition: border-color var(--ease);
}

.page-contact .ct-faq__item[open] {
  border-bottom-color: var(--red);
}

.page-contact .ct-faq__item summary {
  position: relative;
  list-style: none;
  cursor: pointer;
  padding: 16px 34px 16px 0;
  font-size: 15.5px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--ink);
  transition: color var(--ease);
}

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

.page-contact .ct-faq__item summary::after {
  content: "+";
  position: absolute;
  right: 8px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--amber);
}

.page-contact .ct-faq__item[open] summary::after {
  content: "\2013";
}

.page-contact .ct-faq__item summary:hover {
  color: var(--white);
}

.page-contact .ct-faq__item p {
  margin: 0 0 18px;
  max-width: 62ch;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ink-dim);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-lines {
    grid-template-columns: 1.12fr .88fr;
    gap: 18px;
  }

  .page-contact .ct-map__head,
  .page-contact .ct-map__row {
    display: grid;
    grid-template-columns: minmax(190px, 1.05fr) 132px minmax(220px, 1.6fr);
    align-items: center;
    gap: 18px;
    padding-left: 6px;
    padding-right: 6px;
  }

  .page-contact .ct-map__head {
    padding-top: 10px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
  }

  .page-contact .ct-map__head span {
    font-size: 12px;
    letter-spacing: .08em;
    text-transform: uppercase;
    color: var(--ink-dim);
  }
}

@media (min-width: 900px) {
  .page-contact .ct-coop__grid {
    grid-template-columns: 1.04fr .96fr;
    gap: 20px;
  }

  .page-contact .ct-fix__grid {
    grid-template-columns: 1fr .6fr;
    align-items: start;
    gap: 26px;
  }

  .page-contact .ct-addr__grid {
    grid-template-columns: 1.38fr .82fr;
    gap: 20px;
    align-items: stretch;
  }

  .page-contact .ct-hero__title {
    max-width: 22ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-line,
  .page-contact .ct-map__row,
  .page-contact .ct-bullets li,
  .page-contact .ct-faq__item,
  .page-contact .ct-faq__item summary,
  .page-contact .ct-line__v {
    transition: none;
  }

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