.page-contact {
  --ct-body: #C9D4DA;
  --ct-paper-ink: #26333D;
  --ct-paper-dim: #4A5560;
  display: block;
}

/* 面包屑 */
.page-contact .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--slate);
}

.page-contact .crumbs__item {
  color: var(--slate);
  text-decoration: none;
  transition: color var(--dur) ease;
}

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

.page-contact .crumbs__item--current {
  color: var(--chalk);
}

.page-contact .crumbs__sep {
  color: var(--line-strong);
}

/* 首屏 */
.page-contact .ct-hero {
  padding-top: 26px;
  padding-bottom: 44px;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-hero__text .kicker {
  margin: 0;
}

.page-contact .ct-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(28px, 4.4vw, 52px);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--chalk);
}

.page-contact .ct-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--ct-body);
}

.page-contact .ct-hero__meta {
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--line);
}

.page-contact .ct-hero__meta-item {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hero__meta dt {
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--slate);
}

.page-contact .ct-hero__meta dd {
  margin: 0;
  font-size: 14px;
  color: var(--chalk);
}

.page-contact .ct-hero__meta dd.num {
  font-family: var(--font-mono);
  font-size: 13.5px;
}

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

.page-contact .ct-hero__figure .media__frame {
  border: 1px solid var(--line);
  background: var(--turf-deep);
}

.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* 章节通用间距 */
.page-contact .section {
  padding-top: 46px;
}

.page-contact .section__title {
  margin: 8px 0 0;
}

/* 联络渠道横条 */
.page-contact .ct-rows {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-row {
  display: grid;
  gap: 10px;
  padding: 20px 18px 22px 20px;
  background-color: var(--paper);
  border-left: 4px solid var(--yellow);
  transition: background-color var(--dur) ease, border-color var(--dur) ease;
}

.page-contact .ct-row:hover,
.page-contact .ct-row:focus-within {
  background-color: var(--turf);
  border-left-color: var(--cyan);
}

.page-contact .ct-row__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--amber);
  transition: color var(--dur) ease;
}

.page-contact .ct-row__name {
  margin: 0;
  font-size: 19px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
  transition: color var(--dur) ease;
}

.page-contact .ct-row__scope {
  margin: 8px 0 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ct-paper-dim);
  transition: color var(--dur) ease;
}

.page-contact .ct-row__val {
  display: grid;
  gap: 6px;
  align-content: start;
}

.page-contact .ct-value {
  font-family: var(--font-mono);
  font-size: 14.5px;
  line-height: 1.55;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid transparent;
  overflow-wrap: anywhere;
  transition: color var(--dur) ease, border-color var(--dur) ease;
}

.page-contact a.ct-value:hover,
.page-contact a.ct-value:focus-visible {
  color: #0B6157;
  border-bottom-color: var(--cyan);
}

.page-contact .ct-row__hours {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.5;
  color: var(--ct-paper-dim);
  transition: color var(--dur) ease;
}

.page-contact .ct-row:hover .ct-row__name,
.page-contact .ct-row:focus-within .ct-row__name {
  color: var(--chalk);
}

.page-contact .ct-row:hover .ct-row__scope,
.page-contact .ct-row:focus-within .ct-row__scope,
.page-contact .ct-row:hover .ct-row__hours,
.page-contact .ct-row:focus-within .ct-row__hours {
  color: var(--ct-body);
}

.page-contact .ct-row:hover .ct-row__no,
.page-contact .ct-row:focus-within .ct-row__no {
  color: var(--yellow);
}

.page-contact .ct-row:hover .ct-value,
.page-contact .ct-row:focus-within .ct-value {
  color: var(--cyan);
}

/* 受理边界双栏 */
.page-contact .ct-scope {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .ct-scope__col {
  padding: 22px 22px 24px;
}

.page-contact .ct-scope__col--yes {
  background-color: var(--turf);
  border-top: 3px solid var(--cyan);
}

.page-contact .ct-scope__col--no {
  background-color: var(--turf-deep);
  border-top: 3px solid var(--red);
}

.page-contact .ct-scope__title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--chalk);
}

.page-contact .ct-scope__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .ct-scope__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--ct-body);
}

.page-contact .ct-scope__col--yes .ct-scope__list li::before {
  content: "＋";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--cyan);
}

.page-contact .ct-scope__col--no .ct-scope__list li::before {
  content: "－";
  position: absolute;
  left: 0;
  top: 0;
  font-weight: 700;
  color: var(--red);
}

/* 勘误材料 */
.page-contact .ct-lede {
  margin: 18px 0 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--ct-body);
}

.page-contact .ct-erratum__grid {
  display: grid;
  gap: 28px;
  margin-top: 26px;
}

.page-contact .ct-base {
  padding: 22px 22px 24px;
  background-color: var(--turf);
  border-left: 4px solid var(--yellow);
}

.page-contact .ct-base__title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--chalk);
}

.page-contact .ct-base__list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .ct-base__list li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 10px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--ct-body);
}

.page-contact .ct-base__list .num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--yellow);
  padding-top: 3px;
}

.page-contact .ct-base__list strong {
  color: var(--chalk);
  font-weight: 700;
}

.page-contact .ct-details {
  margin-top: 12px;
  background-color: var(--turf-deep);
  border: 1px solid var(--line);
  border-left: 3px solid var(--yellow);
}

.page-contact .ct-details__sum {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 14px 18px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  color: var(--chalk);
  list-style: none;
  transition: background-color var(--dur) ease, color var(--dur) ease;
}

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

.page-contact .ct-details__sum .num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  color: var(--yellow);
}

.page-contact .ct-details__sum::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--yellow);
}

.page-contact .ct-details[open] .ct-details__sum::after {
  content: "–";
}

.page-contact .ct-details__sum:hover {
  background-color: var(--turf);
}

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

.page-contact .ct-details__body {
  padding: 2px 18px 18px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-details__body p {
  margin: 14px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ct-body);
}

.page-contact .ct-details__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-contact .ct-details__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--ct-body);
}

.page-contact .ct-details__list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 9px;
  width: 5px;
  height: 5px;
  background-color: var(--yellow);
}

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

.page-contact .ct-erratum__figure .media__frame {
  border: 1px solid var(--line);
  background: var(--turf-deep);
}

.page-contact .ct-erratum__figure img {
  display: block;
  width: 100%;
  height: auto;
}

/* 处理节奏时间线 */
.page-contact .ct-steps {
  list-style: none;
  margin: 26px 0 0;
  padding: 0 0 0 22px;
  border-left: 1px solid var(--line-strong);
}

.page-contact .ct-step {
  position: relative;
  padding-bottom: 26px;
}

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

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  left: -27.5px;
  top: 6px;
  width: 11px;
  height: 11px;
  background-color: var(--yellow);
}

.page-contact .ct-step__title {
  margin: 0;
  font-size: 16px;
  font-weight: 800;
  color: var(--chalk);
}

.page-contact .ct-step__text {
  margin: 8px 0 0;
  max-width: 68ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ct-body);
}

/* 引用与合作 */
.page-contact .ct-collab {
  margin-top: 26px;
  padding: 24px 22px 26px;
  background-color: var(--paper);
  border-left: 4px solid var(--amber);
  display: grid;
  gap: 22px;
}

.page-contact .ct-collab__title {
  margin: 0;
  font-size: 17px;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .ct-collab p {
  margin: 10px 0 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ct-paper-dim);
}

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

.page-contact .ct-collab__list li {
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(107, 124, 138, .45);
  font-size: 14px;
  line-height: 1.68;
  color: var(--ct-paper-ink);
}

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

.page-contact .ct-collab__list strong {
  display: block;
  margin-bottom: 4px;
  font-size: 11.5px;
  letter-spacing: .1em;
  color: var(--amber);
}

/* 页尾登记信息 */
.page-contact .ct-legal {
  margin-top: 46px;
  border-top: 1px solid var(--line);
}

.page-contact .ct-legal__title {
  margin: 26px 0 0;
  font-size: 18px;
  font-weight: 800;
  color: var(--chalk);
}

.page-contact .ct-legal__inner {
  padding: 18px 0 56px;
  display: grid;
  gap: 10px;
}

.page-contact .ct-legal__row {
  display: grid;
  gap: 3px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.6;
}

.page-contact .ct-legal__row span:first-child {
  color: var(--slate);
  letter-spacing: .06em;
}

.page-contact .ct-legal__row span:last-child {
  color: var(--chalk);
  overflow-wrap: anywhere;
}

.page-contact .ct-legal__note {
  margin: 8px 0 0;
  max-width: 74ch;
  font-size: 13px;
  line-height: 1.75;
  color: var(--slate);
}

.page-contact .ct-legal__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) ease;
}

.page-contact .ct-legal__note a:hover,
.page-contact .ct-legal__note a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* 窄屏微调 */
@media (max-width: 480px) {
  .page-contact .ct-row {
    padding: 18px 14px 20px 16px;
  }

  .page-contact .ct-collab {
    padding: 20px 16px 22px;
  }
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-contact .ct-hero__meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .ct-hero__meta-item {
    padding: 16px 18px;
    border-bottom: 0;
    border-right: 1px solid var(--line);
  }

  .page-contact .ct-hero__meta-item:first-child {
    padding-left: 0;
  }

  .page-contact .ct-hero__meta-item:last-child {
    padding-right: 0;
    border-right: 0;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-scope {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-legal__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 0 20px;
  }
}

/* 桌面端 */
@media (min-width: 940px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

  .page-contact .ct-row {
    grid-template-columns: 52px minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 8px 24px;
    align-items: start;
    padding: 24px 26px 24px 24px;
  }

  .page-contact .ct-collab {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 36px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-erratum__grid {
    grid-template-columns: minmax(0, 1.5fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-row,
  .page-contact .ct-value,
  .page-contact .ct-row__name,
  .page-contact .ct-row__scope,
  .page-contact .ct-row__no,
  .page-contact .ct-row__hours,
  .page-contact .ct-details__sum,
  .page-contact .crumbs__item,
  .page-contact .ct-legal__note a {
    transition: none;
  }
}