.page-contact {
  --ct-hair: 1px solid var(--surface-line);
  --ct-hair-soft: 1px solid var(--surface-line-soft);
  --ct-panel: rgba(20, 24, 29, 0.72);
  --ct-panel-soft: rgba(11, 21, 36, 0.62);
  --ct-gutter: 28px;
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-lead {
  padding-top: 26px;
}

.page-contact .ct-lead__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  margin-top: 24px;
}

.page-contact .ct-lead__main {
  min-width: 0;
}

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

.page-contact .ct-quick {
  display: grid;
  gap: 0;
  padding: 20px 18px 6px;
  border: var(--ct-hair);
  border-radius: var(--r-md);
  background: var(--ct-panel);
}

.page-contact .ct-quick__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--acid-cyan);
}

.page-contact .ct-quick__row {
  min-width: 0;
  padding: 0 0 16px;
  margin-bottom: 16px;
  border-bottom: 1px dashed var(--surface-line-soft);
}

.page-contact .ct-quick__row:last-child {
  border-bottom: 0;
  margin-bottom: 0;
  padding-bottom: 18px;
}

.page-contact .ct-quick__key {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--text-faint);
}

.page-contact .ct-quick__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

.page-contact .ct-quick__val a {
  color: var(--text-primary);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
}

.page-contact .ct-quick__val a:hover,
.page-contact .ct-quick__val a:focus-visible {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

/* ---------- 横幅 ---------- */
.page-contact .ct-banner {
  position: relative;
  margin-top: 34px;
  aspect-ratio: 16 / 9;
  border-radius: var(--r-lg);
  border: var(--ct-hair-soft);
  overflow: hidden;
  background-color: var(--charcoal-700);
  background-image:
    repeating-linear-gradient(90deg, var(--surface-line-soft) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(0deg, var(--surface-line-soft) 0 1px, transparent 1px 64px);
}

.page-contact .ct-banner img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 42%;
  opacity: 0.46;
  filter: saturate(0.7) contrast(1.06);
}

.page-contact .ct-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 10, 18, 0.7) 0%, rgba(6, 10, 18, 0.08) 46%, rgba(6, 10, 18, 0.92) 100%);
  pointer-events: none;
}

.page-contact .ct-banner__tag {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  line-height: 1.6;
  color: var(--text-muted);
  z-index: 1;
}

.page-contact .ct-banner__tag::before {
  content: "";
  display: inline-block;
  width: 18px;
  height: 1px;
  margin-right: 10px;
  vertical-align: middle;
  background: var(--orange-500);
}

/* ---------- 通用区块 ---------- */
.page-contact .ct-section {
  min-width: 0;
}

.page-contact .ct-intro {
  max-width: 62ch;
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-muted);
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channels {
  display: grid;
  gap: 18px;
  margin-top: 26px;
}

.page-contact .ct-channels .bvt-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .ct-channels .bvt-tabs__tab[aria-selected="true"] {
  border-color: var(--acid-cyan);
  color: var(--acid-cyan);
}

.page-contact .ct-channel {
  display: grid;
  gap: 14px;
  min-width: 0;
  padding: 22px 20px;
  border: var(--ct-hair);
  border-radius: var(--r-md);
  background: var(--ct-panel);
}

.page-contact .ct-channel[hidden] {
  display: none;
}

.page-contact .ct-channel__hint {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--orange-500);
}

.page-contact .ct-channel__val {
  margin: 0;
  font-size: clamp(16px, 4.4vw, 21px);
  font-weight: 600;
  line-height: 1.5;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__val a {
  color: inherit;
  text-decoration: none;
  border-bottom: 2px solid var(--orange-500);
  padding-bottom: 1px;
}

.page-contact .ct-channel__val a:hover,
.page-contact .ct-channel__val a:focus-visible {
  color: var(--orange-500);
}

.page-contact .ct-channel__desc {
  max-width: 62ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-contact .ct-channel__list {
  display: grid;
  gap: 10px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-channel__list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
}

.page-contact .ct-channel__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.72em;
  width: 10px;
  height: 1px;
  background: var(--cyan-dim);
}

/* ---------- 反馈模板 ---------- */
.page-contact .ct-block__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .ct-block__main {
  min-width: 0;
}

.page-contact .ct-steps {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .ct-step {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 16px;
  padding: 20px 0;
  border-top: 1px solid var(--surface-line);
}

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

.page-contact .ct-step__num {
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--orange-500);
  padding-top: 2px;
}

.page-contact .ct-step__body {
  min-width: 0;
}

.page-contact .ct-step__title {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}

.page-contact .ct-step__text {
  max-width: 58ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-contact .ct-aside {
  min-width: 0;
  padding: 22px 20px;
  border: var(--ct-hair);
  border-left: 2px solid var(--acid-cyan);
  border-radius: var(--r-sm);
  background: var(--ct-panel-soft);
}

.page-contact .ct-aside__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  line-height: 1.4;
  color: var(--text-primary);
}

.page-contact .ct-aside__text {
  margin: 0 0 14px;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-contact .ct-aside__note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px dashed var(--surface-line-soft);
  font-size: 13px;
  line-height: 1.8;
  color: var(--text-faint);
}

/* ---------- 处理节奏 ---------- */
.page-contact .ct-flow-wrap {
  margin-top: 30px;
  padding: 20px 16px 10px;
  border: var(--ct-hair);
  border-radius: var(--r-md);
  background: var(--ct-panel-soft);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-contact .ct-flow {
  display: block;
  width: 100%;
  min-width: 540px;
  height: auto;
}

.page-contact .ct-flow__line {
  stroke: var(--surface-line);
  stroke-width: 1.5;
  stroke-dasharray: 3 7;
}

.page-contact .ct-flow__node circle {
  fill: var(--ink-900);
  stroke: var(--acid-cyan);
  stroke-width: 1.5;
}

.page-contact .ct-flow__node--legacy circle {
  stroke: var(--legacy-blue);
}

.page-contact .ct-flow__no {
  fill: var(--orange-500);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
}

.page-contact .ct-flow__label {
  fill: var(--text-muted);
  font-family: var(--font-body);
  font-size: 14px;
}

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

.page-contact .ct-pace__note {
  max-width: 70ch;
  margin: 0;
  padding-left: 16px;
  border-left: 1px solid var(--surface-line);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
}

/* ---------- 纠错与协作 ---------- */
.page-contact .ct-correct__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: 26px;
  border-top: 1px solid var(--surface-line);
}

.page-contact .ct-correct__item {
  min-width: 0;
  padding: 22px 0;
  border-bottom: 1px solid var(--surface-line);
}

.page-contact .ct-correct__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--text-primary);
}

.page-contact .ct-correct__text {
  max-width: 62ch;
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-contact .ct-correct__link {
  margin: 14px 0 0;
  font-size: 14px;
}

.page-contact .ct-correct__link a {
  color: var(--acid-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
}

.page-contact .ct-correct__link a:hover,
.page-contact .ct-correct__link a:focus-visible {
  color: var(--orange-500);
  border-bottom-color: var(--orange-500);
}

.page-contact .ct-correct__foot {
  max-width: 70ch;
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-faint);
}

.page-contact .ct-correct__foot a {
  color: var(--text-muted);
  text-decoration: none;
  border-bottom: 1px solid var(--surface-line);
}

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

/* ---------- 地区与备案 ---------- */
.page-contact .ct-region__card {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border: var(--ct-hair);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(180deg, rgba(11, 21, 36, 0.92) 0%, rgba(6, 10, 18, 0.96) 100%);
}

.page-contact .ct-region__text {
  min-width: 0;
  padding: 28px 20px 30px;
}

.page-contact .ct-region__desc {
  max-width: 56ch;
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-muted);
}

.page-contact .ct-region__list {
  margin: 24px 0 0;
}

.page-contact .ct-region__list > div {
  display: grid;
  grid-template-columns: 78px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px dashed var(--surface-line-soft);
}

.page-contact .ct-region__list > div:last-child {
  border-bottom: 1px dashed var(--surface-line-soft);
}

.page-contact .ct-region__list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--text-faint);
}

.page-contact .ct-region__list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-primary);
  overflow-wrap: anywhere;
}

.page-contact .ct-region__figure {
  position: relative;
  margin: 0;
  min-height: 220px;
  background: var(--charcoal-700);
}

.page-contact .ct-region__figure img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.56;
  filter: saturate(0.6) contrast(1.05);
}

.page-contact .ct-region__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(11, 21, 36, 0.55) 0%, rgba(6, 10, 18, 0.1) 55%, rgba(6, 10, 18, 0.88) 100%);
  pointer-events: none;
}

.page-contact .ct-region__figure figcaption {
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 16px;
  z-index: 1;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
}

/* ---------- 结尾 ---------- */
.page-contact .ct-next__title {
  margin-bottom: 4px;
}

.page-contact .ct-next__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 平板 ---------- */
@media (min-width: 768px) {
  .page-contact .ct-lead {
    padding-top: 40px;
  }

  .page-contact .ct-quick {
    padding: 24px 24px 8px;
  }

  .page-contact .ct-banner {
    aspect-ratio: 21 / 8;
    margin-top: 44px;
  }

  .page-contact .ct-banner__tag {
    left: 26px;
    right: 26px;
    bottom: 20px;
  }

  .page-contact .ct-channel {
    padding: 28px 26px;
  }

  .page-contact .ct-region__text {
    padding: 34px 30px 36px;
  }

  .page-contact .ct-region__figure {
    min-height: 300px;
  }

  .page-contact .ct-correct__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 40px;
  }

  .page-contact .ct-correct__item--plain {
    grid-column: 1 / -1;
  }

  .page-contact .ct-flow-wrap {
    padding: 26px 24px 14px;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-contact .ct-lead {
    padding-top: 52px;
  }

  .page-contact .ct-lead__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
    margin-top: 32px;
  }

  .page-contact .ct-banner {
    aspect-ratio: 32 / 9;
    margin-top: 56px;
  }

  .page-contact .ct-block__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .ct-aside {
    padding: 26px 24px;
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .ct-region__card {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
  }

  .page-contact .ct-region__figure {
    min-height: 100%;
  }

  .page-contact .ct-pace__notes {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-quick__val a,
  .page-contact .ct-channel__val a,
  .page-contact .ct-correct__link a {
    transition: none;
  }
}
<<<END>>>