.page-contact {
  --ct-gap: clamp(28px, 4vw, 56px);
  --ct-rule: 1px solid var(--lb-line);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 4vw, 44px) 0 clamp(40px, 6vw, 84px);
  background: linear-gradient(180deg, var(--lb-turf) 0%, var(--lb-night) 72%);
}

.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background-image:
    linear-gradient(to right, var(--lb-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--lb-line) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.55;
  -webkit-mask-image: radial-gradient(130% 95% at 18% 0%, #000 0%, transparent 74%);
  mask-image: radial-gradient(130% 95% at 18% 0%, #000 0%, transparent 74%);
}

.page-contact .ct-hero__eyebrow {
  margin: clamp(24px, 4vw, 48px) 0 0;
  color: var(--lb-amber);
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-size: clamp(34px, 6.4vw, 76px);
  font-weight: 900;
  line-height: 1.06;
  letter-spacing: -0.03em;
  color: var(--lb-white);
}

.page-contact .ct-hero__lede {
  max-width: 56ch;
  margin: 20px 0 0;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.8;
  color: var(--lb-mist);
}

/* ---------- 左右分屏 ---------- */
.page-contact .ct-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  margin-top: clamp(34px, 5vw, 68px);
}

.page-contact .ct-channel {
  padding: 22px 0 26px;
  border-top: var(--ct-rule);
}

.page-contact .ct-channel:last-child {
  border-bottom: var(--ct-rule);
}

.page-contact .ct-channel__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lb-mist);
}

.page-contact .ct-channel__value {
  margin: 10px 0 0;
  font-family: var(--lb-mono);
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  word-break: break-all;
}

.page-contact .ct-channel__value--mail {
  font-size: clamp(17px, 2.9vw, 36px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--lb-cyan);
}

.page-contact .ct-channel__value--tel {
  font-size: clamp(38px, 8vw, 84px);
  font-weight: 800;
  letter-spacing: -0.035em;
  color: var(--lb-white);
}

.page-contact .ct-channel__note {
  max-width: 46ch;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--lb-mist);
}

/* ---------- 右侧值守与跳转 ---------- */
.page-contact .ct-side {
  display: grid;
  gap: clamp(26px, 3vw, 38px);
}

.page-contact .ct-duty__title,
.page-contact .ct-jump__title {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lb-mist);
}

.page-contact .ct-duty__range {
  margin: 12px 0 0;
  font-family: var(--lb-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(19px, 2.3vw, 28px);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--lb-amber);
}

.page-contact .ct-duty__scale {
  display: flex;
  justify-content: space-between;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--ct-rule);
}

.page-contact .ct-duty__scale li {
  position: relative;
  flex: 1 1 0;
  padding-top: 16px;
  font-family: var(--lb-mono);
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  text-align: center;
  color: var(--lb-mist);
}

.page-contact .ct-duty__scale li::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 50%;
  width: 1px;
  height: 10px;
  background: var(--lb-cyan);
  transform: translateX(-0.5px);
}

.page-contact .ct-duty__scale li:first-child::before,
.page-contact .ct-duty__scale li:last-child::before {
  height: 16px;
  background: var(--lb-orange);
}

.page-contact .ct-duty__note {
  margin: 16px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--lb-mist);
}

.page-contact .ct-jump {
  padding-top: clamp(20px, 3vw, 30px);
  border-top: var(--ct-rule);
}

.page-contact .ct-jump__list {
  margin: 12px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-jump__list a {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 12px 0;
  border-bottom: var(--ct-rule);
  font-size: 15px;
  color: var(--lb-white);
  text-decoration: none;
  transition: color 160ms ease, padding-left 160ms ease;
}

.page-contact .ct-jump__list a:hover,
.page-contact .ct-jump__list a:focus-visible {
  color: var(--lb-cyan);
  padding-left: 6px;
}

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

/* ---------- 通用区块头 ---------- */
.page-contact .ct-block__num {
  margin: 0;
  color: var(--lb-cyan);
}

.page-contact .ct-block__title {
  margin: 14px 0 0;
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--lb-white);
}

.page-contact .ct-block__lede {
  max-width: 62ch;
  margin: 16px 0 0;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--lb-mist);
}

/* ---------- 写信建议 ---------- */
.page-contact .ct-write {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--ct-gap);
  margin-top: clamp(30px, 4vw, 52px);
}

.page-contact .ct-tip {
  padding: 20px 0 24px;
  border-top: var(--ct-rule);
}

.page-contact .ct-tip:last-child {
  border-bottom: var(--ct-rule);
}

.page-contact .ct-tip__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-contact .ct-tip__num {
  font-family: var(--lb-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--lb-orange);
}

.page-contact .ct-tip__title {
  margin: 0;
  font-size: clamp(17px, 1.6vw, 20px);
  font-weight: 700;
  color: var(--lb-white);
}

.page-contact .ct-tip__body {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--lb-mist);
}

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

.page-contact .ct-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  border-radius: var(--lb-radius);
  filter: saturate(0.85) contrast(1.06) brightness(0.92);
}

.page-contact .ct-figure figcaption {
  margin-top: 14px;
  padding-left: 14px;
  border-left: 2px solid var(--lb-orange);
  font-size: 13px;
  line-height: 1.7;
  color: var(--lb-mist);
}

/* ---------- 纠错条目 ---------- */
.page-contact .ct-lines {
  margin-top: clamp(30px, 4vw, 52px);
}

.page-contact .ct-line {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 8px;
  padding: 22px 0;
  border-top: var(--ct-rule);
}

.page-contact .ct-line:last-child {
  border-bottom: var(--ct-rule);
}

.page-contact .ct-line__key {
  margin: 0;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--lb-cyan-soft);
}

.page-contact .ct-line__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--lb-mist);
}

.page-contact .ct-fix__foot {
  max-width: 68ch;
  margin: clamp(26px, 3vw, 38px) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--lb-mist);
}

.page-contact .ct-fix__foot a {
  color: var(--lb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 192, 0.4);
}

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

/* ---------- 合作 ---------- */
.page-contact .ct-deals {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin-top: clamp(30px, 4vw, 52px);
}

.page-contact .ct-deal {
  padding: 22px 0 26px;
  border-top: 2px solid var(--lb-cyan);
}

.page-contact .ct-deal__title {
  margin: 0;
  font-size: clamp(17px, 1.7vw, 21px);
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--lb-white);
}

.page-contact .ct-deal__body {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--lb-mist);
}

.page-contact .ct-deal__body a {
  color: var(--lb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 227, 192, 0.4);
}

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

/* ---------- 属地与备案 ---------- */
.page-contact .ct-local {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--lb-ink);
}

.page-contact .ct-local__bg {
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.26;
}

.page-contact .ct-local__bg img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-contact .ct-local__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(6, 23, 19, 0.9) 0%, rgba(4, 16, 13, 0.72) 45%, var(--lb-ink) 100%);
}

.page-contact .ct-local__eyebrow {
  margin: 0;
  color: var(--lb-amber);
}

.page-contact .ct-local__title {
  margin: 14px 0 0;
  font-size: clamp(24px, 3.4vw, 40px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.025em;
  color: var(--lb-white);
}

.page-contact .ct-local__lede {
  max-width: 58ch;
  margin: 16px 0 0;
  font-size: clamp(15px, 1.4vw, 17px);
  line-height: 1.8;
  color: var(--lb-mist);
}

.page-contact .ct-local__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0;
  margin-top: clamp(28px, 4vw, 46px);
}

.page-contact .ct-local__cell {
  padding: 18px 0 20px;
  border-top: var(--ct-rule);
}

.page-contact .ct-local__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--lb-mist);
}

.page-contact .ct-local__addr {
  margin: 10px 0 0;
  font-family: var(--lb-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(14px, 1.5vw, 18px);
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--lb-white);
  word-break: break-word;
}

.page-contact .ct-local__icp {
  margin: clamp(26px, 3vw, 38px) 0 0;
  padding-top: 18px;
  border-top: var(--ct-rule);
  font-family: var(--lb-mono);
  font-variant-numeric: tabular-nums;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--lb-mist);
}

/* ---------- 宽屏 ---------- */
@media (min-width: 900px) {
  .page-contact .ct-split {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.8fr);
    align-items: start;
  }

  .page-contact .ct-side {
    padding-left: clamp(24px, 3vw, 44px);
    border-left: var(--ct-rule);
  }

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

  .page-contact .ct-line {
    grid-template-columns: 170px minmax(0, 1fr);
    align-items: baseline;
    gap: 6px 30px;
  }

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

  .page-contact .ct-deal {
    padding-right: 26px;
  }

  .page-contact .ct-deal + .ct-deal {
    padding-left: 26px;
    border-left: var(--ct-rule);
  }

  .page-contact .ct-local__grid {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr) minmax(0, 0.8fr);
    gap: 0 clamp(24px, 3vw, 44px);
  }
}

@media (min-width: 1100px) {
  .page-contact .ct-hero {
    padding-bottom: clamp(56px, 7vw, 96px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-jump__list a {
    transition: none;
  }
}
</PAGE_CSS>>>