.page-contact {
  --ctc-inset: clamp(20px, 3.4vw, 44px);
  --ctc-block: clamp(40px, 6vw, 76px);
  --ctc-radius: 2px;
}

/* ---------- 首屏 ---------- */
.page-contact .ctc-hero {
  position: relative;
  padding-block: clamp(20px, 3.2vw, 34px) var(--ctc-block);
  background-image: var(--grad-halo), var(--grad-deep);
  background-repeat: no-repeat;
  background-size: 100% 100%, 100% 100%;
  border-bottom: 1px solid var(--line-2);
}

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

.page-contact .ctc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-contact .ctc-hero__title {
  margin: 10px 0 0;
  color: var(--cold);
}

.page-contact .ctc-hero__lede {
  margin: 16px 0 30px;
  max-width: 36em;
  color: var(--mist);
}

/* 三类咨询入口：竖排编号索引 */
.page-contact .ctc-picker {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ctc-picker__item {
  border-bottom: 1px solid var(--line);
}

.page-contact .ctc-picker__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 17px 6px;
  text-decoration: none;
  color: inherit;
  transition: background-color 200ms ease, padding-inline 200ms ease;
}

.page-contact .ctc-picker__link::after {
  content: "";
  width: 22px;
  height: 1px;
  background: var(--line-cyan);
  transition: width 200ms ease, background-color 200ms ease;
}

.page-contact .ctc-picker__link:hover,
.page-contact .ctc-picker__link:focus-visible {
  background-color: rgba(23, 224, 200, 0.06);
  padding-inline: 14px 10px;
}

.page-contact .ctc-picker__link:hover::after,
.page-contact .ctc-picker__link:focus-visible::after {
  width: 34px;
  background: var(--cyan);
}

.page-contact .ctc-picker__num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .ctc-picker__body {
  min-width: 0;
}

.page-contact .ctc-picker__title {
  display: block;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--cold);
}

.page-contact .ctc-picker__desc {
  display: block;
  margin-top: 5px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--mist);
}

/* 首屏右侧视觉 + 联络栏 */
.page-contact .ctc-hero__side {
  min-width: 0;
}

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

.page-contact .ctc-hero__figure .media-frame,
.page-contact .ctc-region__figure .media-frame {
  border: 1px solid var(--line);
  background: var(--ink-2);
}

.page-contact .ctc-hero__figure img,
.page-contact .ctc-region__figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.82) contrast(1.04);
}

.page-contact .ctc-rail {
  margin-top: 18px;
  padding: 16px var(--ctc-inset) 6px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: rgba(11, 42, 34, 0.6);
}

.page-contact .ctc-rail__label {
  margin: 0 0 6px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .ctc-rail__row {
  padding-block: 13px;
  border-top: 1px solid var(--line-2);
}

.page-contact .ctc-rail__key {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .ctc-rail__line {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 6px;
}

.page-contact .ctc-rail__val {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  color: var(--cold);
  overflow-wrap: anywhere;
}

.page-contact .ctc-rail__copy {
  flex: none;
  padding: 4px 11px;
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ---------- 三类事项 ---------- */
.page-contact .ctc-types__lede {
  max-width: 40em;
}

.page-contact .ctc-types__list {
  margin-top: clamp(26px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-contact .ctc-type {
  border-bottom: 1px solid var(--line);
}

.page-contact .ctc-type__summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 16px;
  padding: 19px 4px;
  cursor: pointer;
  list-style: none;
}

.page-contact .ctc-type__summary::-webkit-details-marker {
  display: none;
}

.page-contact .ctc-type__summary:focus-visible {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .ctc-type__num {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .ctc-type__name {
  font-size: 19px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--cold);
}

.page-contact .ctc-type__toggle {
  position: relative;
  width: 14px;
  height: 14px;
  flex: none;
}

.page-contact .ctc-type__toggle::before,
.page-contact .ctc-type__toggle::after {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 100%;
  height: 1px;
  background: var(--amber);
  transition: transform 200ms ease, opacity 200ms ease;
}

.page-contact .ctc-type__toggle::after {
  transform: rotate(90deg);
}

.page-contact .ctc-type[open] .ctc-type__toggle::after {
  transform: rotate(90deg) scaleX(0);
  opacity: 0;
}

.page-contact .ctc-type__body {
  padding: 0 4px 26px;
}

.page-contact .ctc-type__body > p {
  max-width: 42em;
  margin: 0;
  color: var(--cold);
}

.page-contact .ctc-type__foot {
  margin-top: 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ctc-bullets {
  list-style: none;
  display: grid;
  gap: 9px;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .ctc-bullets li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .ctc-bullets li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.78em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 勘误准备 ---------- */
.page-contact .ctc-prepare__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 56px);
  align-items: start;
}

.page-contact .ctc-prepare__note {
  max-width: 32em;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ctc-steps {
  list-style: none;
  counter-reset: ctc-step;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .ctc-steps li {
  counter-increment: ctc-step;
  position: relative;
  padding: 17px 0 17px 58px;
  border-bottom: 1px solid var(--line-2);
  min-height: 44px;
}

.page-contact .ctc-steps li::before {
  content: "0" counter(ctc-step);
  position: absolute;
  left: 0;
  top: 19px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .ctc-steps strong {
  display: block;
  margin-bottom: 5px;
  font-size: 16px;
  font-weight: 700;
  color: var(--cold);
}

.page-contact .ctc-steps span {
  display: block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 响应与受理 ---------- */
.page-contact .ctc-response__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 3.4vw, 46px);
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-contact .ctc-panel {
  padding-top: 18px;
  border-top: 1px solid var(--line-cyan);
}

.page-contact .ctc-panel__title {
  margin: 0 0 14px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--cold);
}

.page-contact .ctc-panel ul {
  list-style: none;
  display: grid;
  gap: 11px;
  margin: 0;
  padding: 0;
}

.page-contact .ctc-panel li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .ctc-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.75em;
  width: 10px;
  height: 1px;
  background: var(--amber);
}

.page-contact .ctc-em {
  color: var(--cyan-soft);
  font-size: 14px;
}

.page-contact .ctc-response__hint {
  margin: clamp(22px, 3vw, 34px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 服务范围与备案 ---------- */
.page-contact .ctc-region__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .ctc-region__text {
  max-width: 34em;
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cold);
}

.page-contact .ctc-infoblock {
  margin-top: 24px;
  padding: 4px var(--ctc-inset) 8px;
  border: 1px solid var(--line);
  background: rgba(18, 60, 49, 0.52);
}

.page-contact .ctc-infoblock__row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 18px;
  padding-block: 13px;
  border-bottom: 1px solid var(--line-2);
}

.page-contact .ctc-infoblock__row:last-child {
  border-bottom: 0;
}

.page-contact .ctc-infoblock__key {
  min-width: 74px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-contact .ctc-infoblock__val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--cold);
  overflow-wrap: anywhere;
}

.page-contact .ctc-region__foot {
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .ctc-region__figure {
  margin: 0;
}

.page-contact .ctc-region__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 正文链接 ---------- */
.page-contact .ctc-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: color 180ms ease, border-color 180ms ease;
}

.page-contact .ctc-link:hover,
.page-contact .ctc-link:focus-visible {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

/* ---------- 回到顶部 ---------- */
.page-contact .ctc-top {
  display: block;
  width: fit-content;
  margin: clamp(30px, 5vw, 52px) auto clamp(36px, 6vw, 68px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ctc-response__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .ctc-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: clamp(32px, 4.4vw, 64px);
  }

  .page-contact .ctc-prepare__grid {
    grid-template-columns: minmax(0, 0.7fr) minmax(0, 1.3fr);
  }

  .page-contact .ctc-region__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
  }

  .page-contact .ctc-type__body {
    padding-left: 46px;
    padding-right: 46px;
  }
}

@media (max-width: 420px) {
  .page-contact .ctc-picker__link {
    grid-template-columns: auto minmax(0, 1fr);
    gap: 12px;
  }

  .page-contact .ctc-picker__link::after {
    display: none;
  }

  .page-contact .ctc-steps li {
    padding-left: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ctc-picker__link,
  .page-contact .ctc-picker__link::after,
  .page-contact .ctc-type__toggle::after,
  .page-contact .ctc-link {
    transition: none;
  }
}