.page-contact {
  overflow-x: hidden;
  overflow-x: clip;
}

.page-contact .ct-topbar {
  padding-top: clamp(22px, 5vw, 40px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--steel-300);
}

.page-contact .breadcrumb a {
  color: var(--steel-300);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-contact .ct-topbar__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--steel-300);
}

.page-contact .ct-topbar__sep {
  color: var(--steel-500);
}

/* 首屏 */
.page-contact .ct-hero {
  padding-top: clamp(32px, 7vw, 64px);
}

.page-contact .ct-hero__grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-contact .ct-hero__copy {
  max-width: 44ch;
}

.page-contact .ct-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-title);
  font-size: clamp(30px, 8vw, 58px);
  line-height: 1.1;
  letter-spacing: .03em;
  color: var(--paper-050);
}

.page-contact .ct-hero .lead {
  margin-top: 20px;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.78;
  color: var(--steel-300);
}

.page-contact .ct-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .ct-hero__media {
  margin: 0;
  border-radius: var(--radius-l);
  box-shadow: 0 0 0 1px var(--line), 0 40px 90px -60px rgba(0, 0, 0, .95);
}

/* 阶段一 */
.page-contact .ct-precheck__head {
  max-width: 62ch;
}

.page-contact .ct-precheck__head p:last-child {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel-300);
}

.page-contact .ct-precheck__list {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 28px;
}

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

.page-contact .ct-precheck__idx {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--signal-cyan);
}

.page-contact .ct-precheck__item h3 {
  margin: 12px 0 8px;
  font-family: var(--font-title);
  font-size: 17.5px;
  line-height: 1.45;
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-contact .ct-precheck__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--steel-300);
}

.page-contact .ct-precheck__link {
  display: inline-block;
  margin-top: 12px;
  font-size: 13.5px;
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  padding-bottom: 2px;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .ct-precheck__link:hover,
.page-contact .ct-precheck__link:focus-visible {
  color: var(--paper-050);
  border-bottom-color: var(--paper-050);
}

/* 阶段二 双栏 */
.page-contact .ct-stage {
  display: grid;
  gap: 52px;
  padding-top: clamp(48px, 10vw, 88px);
}

.page-contact .ct-stage__main,
.page-contact .ct-stage__side {
  min-width: 0;
}

.page-contact .ct-stage__side {
  display: grid;
  gap: 56px;
  align-content: start;
}

.page-contact .ct-stage__intro {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel-300);
}

.page-contact .ct-stage__foot {
  margin-top: 20px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--steel-500);
}

.page-contact .ct-channel-list {
  display: grid;
  gap: 16px;
  margin-top: 26px;
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 24px 24px;
}

.page-contact .ct-channel__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--steel-300);
}

.page-contact .panel--warm .ct-channel__label {
  color: var(--pulse-orange);
}

.page-contact .panel--flat .ct-channel__label {
  color: var(--signal-cyan);
}

.page-contact .ct-channel__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.8vw, 19px);
  letter-spacing: .04em;
  line-height: 1.5;
  color: var(--paper-050);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .ct-channel__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--steel-300);
}

.page-contact .ct-subtitle {
  margin: 44px 0 0;
  font-family: var(--font-title);
  font-size: 19px;
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .ct-checklist__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .ct-checklist__item:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-contact .ct-checklist__num {
  font-size: 12.5px;
  letter-spacing: .12em;
  color: var(--signal-cyan);
}

.page-contact .ct-checklist__text {
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--steel-300);
}

.page-contact .ct-checklist__text strong {
  color: var(--paper-050);
  font-weight: 600;
}

/* 处理路径 */
.page-contact .ct-flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0 0 0 30px;
  position: relative;
}

.page-contact .ct-flow::before {
  content: "";
  position: absolute;
  left: 6px;
  top: 8px;
  bottom: 14px;
  width: 1px;
  background: linear-gradient(180deg, var(--signal-cyan), rgba(56, 224, 208, .06));
}

.page-contact .ct-flow__step {
  position: relative;
  padding-bottom: 28px;
}

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

.page-contact .ct-flow__step::before {
  content: "";
  position: absolute;
  left: -30px;
  top: 5px;
  width: 11px;
  height: 11px;
  border-radius: 50%;
  background: var(--space-900);
  box-shadow: 0 0 0 2px var(--signal-cyan);
}

.page-contact .ct-flow__index {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .18em;
  color: var(--steel-500);
}

.page-contact .ct-flow__step h3 {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: 16.5px;
  letter-spacing: .02em;
  color: var(--paper-050);
}

.page-contact .ct-flow__step p:last-child {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--steel-300);
}

/* 服务地区 */
.page-contact .ct-region {
  border-top: 1px solid var(--line);
  padding-top: 34px;
}

.page-contact .ct-region .section-title {
  font-size: clamp(20px, 4.6vw, 26px);
}

.page-contact .ct-region p {
  margin-top: 14px;
  font-size: 14.8px;
  line-height: 1.78;
  color: var(--steel-300);
}

.page-contact .ct-region__cities {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .ct-region__cities li {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--paper-050);
  padding: 6px 13px;
  border-radius: var(--radius-pill);
  border: 1px solid var(--line);
  background: rgba(27, 46, 82, .48);
}

.page-contact .ct-region__media {
  margin: 28px 0 0;
  border-radius: var(--radius-m);
  box-shadow: 0 0 0 1px var(--line-soft);
}

/* 反馈类型 */
.page-contact .ct-types__head {
  max-width: 58ch;
}

.page-contact .ct-types__head p:last-child {
  margin-top: 14px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--steel-300);
}

.page-contact .ct-types__grid {
  margin-top: 32px;
}

.page-contact .ct-type {
  border-top: 1px solid var(--line);
  padding: 16px 0;
}

.page-contact .ct-type__summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  cursor: pointer;
  padding: 4px 0;
  font-family: var(--font-title);
  font-size: 17px;
  letter-spacing: .02em;
  color: var(--paper-050);
  list-style: none;
}

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

.page-contact .ct-type__summary::marker {
  content: "";
}

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

.page-contact .ct-type[open] .ct-type__summary::after {
  content: "−";
}

.page-contact .ct-type__summary:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 4px;
  border-radius: var(--radius-s);
}

.page-contact .ct-type__body {
  padding: 8px 0 4px;
}

.page-contact .ct-type__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--steel-300);
}

/* 收尾 */
.page-contact .ct-closing__inner {
  display: grid;
  gap: 24px;
  padding: 30px 26px;
  border-radius: var(--radius-l);
  background: linear-gradient(125deg, rgba(18, 32, 60, .92), rgba(7, 12, 24, .58));
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-contact .ct-closing__copy .section-title {
  font-size: clamp(20px, 4.4vw, 26px);
}

.page-contact .ct-closing__copy p {
  margin-top: 12px;
  font-size: 14.8px;
  line-height: 1.78;
  color: var(--steel-300);
}

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

.page-contact a:focus-visible,
.page-contact summary:focus-visible {
  outline: 2px solid var(--signal-cyan);
  outline-offset: 3px;
}

/* 响应式 */
@media (min-width: 700px) {
  .page-contact .ct-channel-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .ct-topbar {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
  }

  .page-contact .ct-precheck__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 34px;
  }
}

@media (min-width: 820px) {
  .page-contact .ct-types__grid {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 56px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-closing__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 40px;
    padding: 38px 36px;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    gap: 64px;
  }
}

@media (min-width: 1040px) {
  .page-contact .ct-stage {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 72px;
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .breadcrumb a,
  .page-contact .ct-precheck__link {
    transition: none;
  }
}