.page-contact {
  --ct-rail-w: 340px;
  background: var(--gray-050);
  color: var(--ink-900);
  font-family: var(--font-body);
  font-size: var(--fs-base);
  line-height: 1.75;
  overflow-x: hidden;
}

/* ---------- 页头 ---------- */
.page-contact .ct-head {
  background: var(--white);
  border-bottom: 1px solid var(--gray-300);
  padding: clamp(1.5rem, 4vw, 2.5rem) 0 clamp(2rem, 5vw, 3.25rem);
}

.page-contact .ct-head .breadcrumb {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.15rem;
  margin: 0 0 1.5rem;
  font-size: 0.8125rem;
  color: var(--text-mute);
}

.page-contact .ct-head .breadcrumb a {
  color: var(--blue-600);
  text-decoration: none;
  font-weight: 600;
  border-bottom: 1px solid transparent;
  transition: border-color var(--ease);
}

.page-contact .ct-head .breadcrumb a:hover {
  border-bottom-color: var(--orange-500);
}

.page-contact .ct-crumb-sep {
  margin: 0 0.45rem;
  color: var(--gray-300);
}

.page-contact .ct-head h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.875rem, 5.2vw, 3.125rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  margin: 0 0 1.1rem;
  max-width: 19em;
  border-left: 6px solid var(--orange-500);
  padding-left: clamp(0.9rem, 2.5vw, 1.4rem);
}

.page-contact .ct-head .lede {
  margin: 0;
  max-width: 38em;
  color: var(--text-soft);
  font-size: clamp(1rem, 1.6vw, 1.0625rem);
  line-height: 1.8;
  padding-left: clamp(1.1rem, 2.9vw, 1.7rem);
}

/* ---------- 双栏骨架 ---------- */
.page-contact .ct-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 5vw, 2.75rem);
  padding: clamp(1.75rem, 5vw, 3.25rem) 0 clamp(3rem, 7vw, 4.5rem);
}

.page-contact .ct-stream {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  min-width: 0;
}

/* ---------- 左栏粘性联系块 ---------- */
.page-contact .ct-rail {
  min-width: 0;
}

.page-contact .ct-rail__card {
  position: relative;
  overflow: hidden;
  background: var(--blue-600);
  border: 1px solid var(--blue-600);
  padding: clamp(1.5rem, 4vw, 1.85rem) clamp(1.25rem, 3vw, 1.6rem);
  color: var(--white);
}

.page-contact .ct-rail__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.15;
  pointer-events: none;
}

.page-contact .ct-rail__content {
  position: relative;
  z-index: 1;
}

.page-contact .ct-rail__eyebrow {
  margin: 0 0 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--orange-500);
}

.page-contact .ct-channels {
  margin: 0;
  display: grid;
  gap: 1.4rem;
}

.page-contact .ct-channel dt {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: rgba(255, 255, 255, 0.7);
  margin: 0 0 0.4rem;
}

.page-contact .ct-channel dd {
  margin: 0;
}

.page-contact .ct-channel__value {
  font-family: var(--font-mono);
  font-size: clamp(1.0625rem, 2.6vw, 1.1875rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--white);
  overflow-wrap: anywhere;
  word-break: break-word;
  border-bottom: 1px solid rgba(255, 255, 255, 0.22);
  padding-bottom: 0.45rem;
  display: block;
}

.page-contact .ct-channel__value--sm {
  font-size: clamp(1rem, 2.4vw, 1.0625rem);
}

.page-contact .ct-channel__note {
  margin: 0.5rem 0 0 !important;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: rgba(255, 255, 255, 0.76);
}

.page-contact .ct-rail__hint {
  margin: 1.15rem 0 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-mute);
  border-left: 3px solid var(--gray-300);
  padding-left: 0.9rem;
}

/* ---------- 右侧面板 ---------- */
.page-contact .ct-panel {
  background: var(--white);
  border: 1px solid var(--gray-300);
  border-top: 3px solid var(--blue-600);
  padding: clamp(1.4rem, 4vw, 2.35rem);
  min-width: 0;
}

.page-contact .ct-panel__idx {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--blue-600);
  background: var(--gray-050);
  border: 1px solid var(--gray-300);
  padding: 0.2rem 0.5rem;
  margin-bottom: 0.95rem;
}

.page-contact .ct-panel h2 {
  font-family: var(--font-head);
  font-size: clamp(1.375rem, 3.2vw, 1.875rem);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -0.01em;
  margin: 0 0 0.6rem;
}

.page-contact .ct-panel__lede {
  margin: 0 0 1.6rem;
  max-width: 36em;
  color: var(--text-soft);
  font-size: 0.9375rem;
  line-height: 1.8;
}

/* 受理范围 */
.page-contact .ct-topics {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--gray-300);
}

.page-contact .ct-topic {
  border-bottom: 1px solid var(--gray-300);
  border-left: 3px solid var(--gray-300);
  padding: 1.15rem 0.5rem 1.15rem 1.05rem;
  transition: border-left-color var(--ease), background-color var(--ease);
}

.page-contact .ct-topic:hover {
  border-left-color: var(--orange-500);
  background: var(--gray-050);
}

.page-contact .ct-topic[data-filtered="out"] {
  opacity: 0.24;
}

.page-contact .ct-topic h3 {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 800;
  margin: 0 0 0.4rem;
  letter-spacing: -0.005em;
}

.page-contact .ct-topic p {
  margin: 0;
  max-width: 42em;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text-soft);
}

/* 深色提交面板 */
.page-contact .ct-panel--ink {
  background: var(--ink-900);
  border-color: var(--ink-900);
  border-top-color: var(--orange-500);
  color: var(--white);
}

.page-contact .ct-panel--ink h2 {
  color: var(--white);
}

.page-contact .ct-panel--ink .ct-panel__lede {
  color: rgba(255, 255, 255, 0.72);
}

.page-contact .ct-panel--ink .ct-panel__idx {
  color: var(--orange-500);
  background: rgba(255, 255, 255, 0.08);
  border-color: rgba(255, 255, 255, 0.2);
}

.page-contact .ct-glass {
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.16);
  padding: clamp(1.1rem, 3vw, 1.5rem);
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-contact .ct-checklist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
}

.page-contact .ct-check {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--orange-500);
  border: 1px solid rgba(255, 106, 26, 0.45);
  padding: 0.1rem 0.4rem;
}

.page-contact .ct-checklist strong {
  display: block;
  font-size: 0.9375rem;
  font-weight: 800;
  color: var(--white);
  margin-bottom: 0.25rem;
}

.page-contact .ct-checklist p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.74);
}

/* 步骤条 */
.page-contact .ct-steps {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
}

.page-contact .ct-step {
  position: relative;
  padding: 1.1rem 0.6rem 1.1rem 3.3rem;
  border-top: 1px solid var(--gray-300);
  transition: background-color var(--ease);
}

.page-contact .ct-step:last-child {
  border-bottom: 1px solid var(--gray-300);
}

.page-contact .ct-step:hover {
  background: var(--orange-100);
}

.page-contact .ct-step__n {
  position: absolute;
  left: 0;
  top: 1.1rem;
  width: 2.3rem;
  height: 2.3rem;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--blue-600);
  background: var(--white);
  border: 1px solid var(--gray-300);
  transition: color var(--ease), background-color var(--ease), border-color var(--ease);
}

.page-contact .ct-step:hover .ct-step__n {
  color: var(--white);
  background: var(--orange-500);
  border-color: var(--orange-500);
}

.page-contact .ct-step h3 {
  font-family: var(--font-head);
  font-size: 1rem;
  font-weight: 800;
  margin: 0 0 0.35rem;
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
}

.page-contact .ct-step__eta {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--text-mute);
  border: 1px solid var(--gray-300);
  padding: 0.1rem 0.4rem;
}

.page-contact .ct-step p {
  margin: 0;
  max-width: 42em;
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text-soft);
}

/* 流转图 */
.page-contact .ct-figure {
  margin: 0 0 1.5rem;
  border: 1px solid var(--gray-300);
  background: var(--ink-800);
  overflow: hidden;
}

.page-contact .ct-figure__img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 5 / 3;
  opacity: 0.86;
}

.page-contact .ct-figure__cap {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1.7;
  letter-spacing: 0.02em;
  color: var(--text-mute);
  padding: 0.7rem 0.9rem;
  border-top: 1px solid var(--gray-300);
  background: var(--white);
}

.page-contact .ct-footnote {
  margin: 0;
  max-width: 40em;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--text-mute);
}

.page-contact .ct-footnote a {
  color: var(--blue-600);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 2px solid var(--gray-300);
  transition: border-color var(--ease), color var(--ease);
}

.page-contact .ct-footnote a:hover {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

/* 其他入口 */
.page-contact .ct-panel--last {
  border-top-color: var(--ink-700);
}

.page-contact .ct-links {
  display: grid;
  gap: 0;
  border-top: 1px solid var(--gray-300);
}

.page-contact .ct-link {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  grid-template-areas:
    "key arrow"
    "text arrow";
  align-items: center;
  gap: 0.3rem 1rem;
  padding: 1.1rem 0.6rem 1.1rem 1rem;
  border-bottom: 1px solid var(--gray-300);
  border-left: 3px solid var(--gray-300);
  text-decoration: none;
  color: inherit;
  transition: border-left-color var(--ease), background-color var(--ease);
}

.page-contact .ct-link:hover {
  border-left-color: var(--orange-500);
  background: var(--gray-050);
}

.page-contact .ct-link__k {
  grid-area: key;
  font-family: var(--font-mono);
  font-size: 0.875rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--blue-600);
}

.page-contact .ct-link:hover .ct-link__k {
  color: var(--orange-500);
}

.page-contact .ct-link__t {
  grid-area: text;
  font-size: 0.875rem;
  line-height: 1.72;
  color: var(--text-soft);
}

.page-contact .ct-link__arrow {
  grid-area: arrow;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--gray-300);
  transition: color var(--ease), transform var(--ease);
}

.page-contact .ct-link:hover .ct-link__arrow {
  color: var(--orange-500);
  transform: translateX(3px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 760px) {
  .page-contact .ct-topics {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .ct-topic {
    border-bottom: 1px solid var(--gray-300);
    padding-right: 1.4rem;
  }

  .page-contact .ct-topic:nth-child(odd) {
    border-right: 1px solid var(--gray-300);
  }

  .page-contact .ct-topic:nth-child(even) {
    padding-left: 1.4rem;
  }

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

  .page-contact .ct-link {
    grid-template-columns: minmax(0, 1fr);
    grid-template-areas:
      "key"
      "text"
      "arrow";
    align-items: start;
    border-right: 1px solid var(--gray-300);
    padding: 1.4rem 1.2rem;
  }

  .page-contact .ct-link:last-child {
    border-right: 0;
  }

  .page-contact .ct-link__arrow {
    margin-top: 0.7rem;
  }
}

@media (min-width: 960px) {
  .page-contact .ct-body {
    grid-template-columns: minmax(0, var(--ct-rail-w)) minmax(0, 1fr);
    align-items: start;
  }

  .page-contact .ct-rail {
    position: sticky;
    top: 7rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-topic,
  .page-contact .ct-step,
  .page-contact .ct-step__n,
  .page-contact .ct-link,
  .page-contact .ct-link__arrow,
  .page-contact .ct-footnote a,
  .page-contact .ct-head .breadcrumb a {
    transition-duration: 0ms;
  }

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