.page-contact {
  --ct-hair: rgba(43, 76, 134, 0.85);
  --ct-hair-soft: rgba(43, 76, 134, 0.45);
  --ct-panel: rgba(22, 48, 94, 0.55);
  --ct-panel-deep: rgba(7, 15, 34, 0.62);
  --ct-glow: 0 0 0 1px rgba(255, 107, 26, 0.42), 0 22px 46px -30px rgba(255, 107, 26, 0.65);
  background: linear-gradient(180deg, #070F22 0%, #0B1B3A 32%, #0B1B3A 78%, #070F22 100%);
  padding-bottom: clamp(28px, 5vw, 56px);
  overflow-x: hidden;
}

/* ---------- 页头拼贴 ---------- */
.page-contact .ct-hero {
  position: relative;
  padding: clamp(20px, 4vw, 44px) 0 clamp(10px, 2vw, 20px);
}
.page-contact .ct-hero::before {
  content: "";
  position: absolute;
  inset: -60px 0 auto 0;
  height: 380px;
  background:
    radial-gradient(circle at 12% 82%, rgba(255, 107, 26, 0.16), transparent 58%),
    radial-gradient(circle at 82% 8%, rgba(76, 127, 209, 0.16), transparent 62%);
  pointer-events: none;
}
.page-contact .ct-hero .hth-shell {
  position: relative;
}
.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 32px);
  align-items: start;
}
.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--c-white);
}
.page-contact .ct-hero__lead {
  margin: clamp(14px, 2vw, 20px) 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.78;
  color: var(--ink-body);
}
.page-contact .ct-hero__aside {
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--ct-hair);
}
.page-contact .ct-aside__label {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--c-mist);
  text-transform: uppercase;
}
.page-contact .ct-aside__row {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
  margin: 0;
  padding: 9px 0;
  border-bottom: 1px solid var(--ct-hair-soft);
  font-size: 14px;
  color: var(--ink-body);
}
.page-contact .ct-aside__row .hth-mono {
  color: var(--c-signal);
  font-size: 12px;
  letter-spacing: 0.08em;
}
.page-contact .ct-aside__note {
  margin: 12px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-muted);
}
.page-contact .ct-hero__figure {
  position: relative;
  margin: clamp(22px, 3vw, 36px) 0 0;
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-s);
  overflow: hidden;
  background: var(--ct-panel-deep);
  box-shadow: var(--shadow-card);
}
.page-contact .ct-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}
.page-contact .ct-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(105deg, rgba(255, 107, 26, 0.16) 0%, rgba(7, 15, 34, 0) 46%);
  pointer-events: none;
}
.page-contact .ct-hero__cap {
  position: relative;
  z-index: 1;
  display: block;
  padding: 12px 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  line-height: 1.6;
  color: var(--c-mist);
  border-top: 1px solid var(--ct-hair-soft);
  background: rgba(7, 15, 34, 0.82);
}

/* ---------- 三步路径 ---------- */
.page-contact .ct-path__head {
  display: grid;
  gap: 10px;
  max-width: 62ch;
}
.page-contact .ct-path__intro {
  margin: 0;
  color: var(--ink-body);
}
.page-contact .ct-rail {
  position: relative;
  margin: clamp(26px, 4vw, 40px) 0 14px;
  padding-top: 22px;
}
.page-contact .ct-rail svg {
  display: block;
  width: 100%;
  height: 26px;
  overflow: visible;
}
.page-contact .ct-rail__end {
  position: absolute;
  top: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-muted);
}
.page-contact .ct-rail__end--start {
  left: 0;
}
.page-contact .ct-rail__end--finish {
  right: 0;
  color: var(--c-signal);
}
.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-contact .ct-step {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--ct-hair);
  border-left: 3px solid var(--c-signal);
  border-radius: var(--radius-s);
  background: linear-gradient(160deg, rgba(22, 48, 94, 0.72), rgba(7, 15, 34, 0.72));
  box-shadow: inset 0 1px 0 rgba(245, 247, 250, 0.04);
  transition: transform 180ms var(--ease), box-shadow 180ms var(--ease), border-color 180ms var(--ease);
  outline: none;
}
.page-contact .ct-step:hover,
.page-contact .ct-step:focus-visible {
  transform: translateY(-2px);
  border-color: rgba(255, 107, 26, 0.6);
  border-left-color: var(--c-signal);
  box-shadow: var(--ct-glow);
}
.page-contact .ct-step__num {
  display: block;
  font-size: var(--fs-24);
  line-height: 1;
  color: var(--c-signal);
  letter-spacing: 0.04em;
}
.page-contact .ct-step__title {
  margin: 12px 0 8px;
  font-size: var(--fs-19);
  line-height: 1.4;
  color: var(--c-white);
}
.page-contact .ct-step__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
}

/* ---------- 旧版对照 ---------- */
.page-contact .ct-old {
  margin-top: clamp(18px, 3vw, 26px);
  padding: 14px 16px;
  border: 1px dashed var(--ct-hair);
  border-radius: var(--radius-s);
  background: rgba(7, 15, 34, 0.55);
}
.page-contact .ct-old > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-white);
}
.page-contact .ct-old > summary::-webkit-details-marker {
  display: none;
}
.page-contact .ct-old > summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-signal);
}
.page-contact .ct-old[open] > summary::before {
  content: "−";
}
.page-contact .ct-old__body {
  padding-top: 14px;
}
.page-contact .ct-old__steps {
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 10px;
  margin: 0 0 14px;
  padding: 0;
  counter-reset: oldstep;
}
.page-contact .ct-old__steps li {
  position: relative;
  padding: 12px 12px 12px 40px;
  border: 1px dashed var(--ct-hair-soft);
  border-radius: var(--radius-s);
  font-size: 13px;
  line-height: 1.6;
  color: var(--ink-muted);
  counter-increment: oldstep;
}
.page-contact .ct-old__steps li::before {
  content: counter(oldstep, decimal-leading-zero);
  position: absolute;
  left: 12px;
  top: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--c-mist);
}
.page-contact .ct-old__body .hth-text {
  margin: 0;
  font-size: 14px;
  color: var(--ink-body);
}

/* ---------- 过渡图带 ---------- */
.page-contact .ct-band {
  margin: 0;
  padding: clamp(6px, 1.5vw, 14px) 0 0;
}
.page-contact .ct-band img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-s);
  filter: saturate(0.9);
}

/* ---------- 准备清单 ---------- */
.page-contact .ct-prep__head {
  display: grid;
  gap: 8px;
  max-width: 56ch;
  margin-bottom: clamp(14px, 2vw, 22px);
}
.page-contact .ct-prep__head .hth-text {
  margin: 0;
  color: var(--ink-body);
}
.page-contact .ct-prep__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  border-top: 1px solid var(--ct-hair);
}
.page-contact .ct-prep__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 16px 0;
  border-bottom: 1px solid var(--ct-hair-soft);
}
.page-contact .ct-prep__idx {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.4;
  padding-top: 3px;
  color: var(--c-signal);
  letter-spacing: 0.08em;
}
.page-contact .ct-prep__title {
  margin: 0 0 6px;
  font-size: var(--fs-19);
  line-height: 1.35;
  color: var(--c-white);
}
.page-contact .ct-prep__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-body);
  max-width: 40ch;
}

/* ---------- 双栏主体 ---------- */
.page-contact .ct-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.5vw, 40px);
  align-items: start;
}
.page-contact .ct-body__head {
  display: grid;
  gap: 8px;
  max-width: 48ch;
  margin-bottom: 16px;
}
.page-contact .ct-body__head .hth-text {
  margin: 0;
  color: var(--ink-body);
}
.page-contact .ct-types__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: 16px;
}
.page-contact .ct-form {
  padding: 18px 16px 16px;
  background: linear-gradient(165deg, rgba(22, 48, 94, 0.66), rgba(7, 15, 34, 0.66));
  box-shadow: inset 0 1px 0 rgba(245, 247, 250, 0.04);
  transition: border-color 180ms var(--ease), box-shadow 180ms var(--ease);
}
.page-contact .ct-form:hover {
  border-color: rgba(255, 107, 26, 0.45);
  box-shadow: inset 0 1px 0 rgba(245, 247, 250, 0.05), var(--ct-glow);
}
.page-contact .ct-form__title {
  margin: 12px 0 8px;
  font-size: var(--fs-19);
  line-height: 1.4;
  color: var(--c-white);
}
.page-contact .ct-form__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--ink-body);
}
.page-contact .ct-need {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  border-top: 1px solid var(--ct-hair-soft);
}
.page-contact .ct-need li {
  position: relative;
  padding: 9px 0 9px 18px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-muted);
  border-bottom: 1px solid var(--ct-hair-soft);
}
.page-contact .ct-need li:last-child {
  border-bottom: 0;
}
.page-contact .ct-need li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 15px;
  width: 6px;
  height: 6px;
  border-radius: var(--radius-pill);
  background: var(--c-signal);
}

/* ---------- 渠道栏 ---------- */
.page-contact .ct-side {
  padding: clamp(18px, 2.5vw, 26px) clamp(16px, 2.5vw, 24px);
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-s);
  background:
    radial-gradient(circle at 88% 4%, rgba(255, 107, 26, 0.12), transparent 55%),
    linear-gradient(180deg, rgba(22, 48, 94, 0.72), rgba(7, 15, 34, 0.88));
  box-shadow: inset 0 0 0 1px rgba(245, 247, 250, 0.03), var(--shadow-card);
}
.page-contact .ct-side__title {
  margin: 0;
  font-size: clamp(20px, 3vw, 26px);
}
.page-contact .ct-side__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-muted);
}
.page-contact .ct-channels {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}
.page-contact .ct-channel {
  padding: 14px 0;
  border-top: 1px solid var(--ct-hair-soft);
}
.page-contact .ct-channel__key {
  display: block;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--ink-muted);
  text-transform: uppercase;
}
.page-contact .ct-channel__value {
  display: block;
  margin-top: 7px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--c-white);
  overflow-wrap: anywhere;
  word-break: break-word;
}
.page-contact .ct-channel__value.hth-mono {
  font-size: 14px;
  letter-spacing: 0.01em;
}
.page-contact .ct-channel__value--tel {
  color: var(--c-signal);
  font-size: 17px;
}
.page-contact .ct-channel__use {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.68;
  color: var(--ink-muted);
}

/* ---------- 响应时长 ---------- */
.page-contact .ct-sla__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}
.page-contact .ct-sla__intro {
  padding-bottom: 6px;
}
.page-contact .ct-sla__intro .hth-note {
  margin: 10px 0 0;
  line-height: 1.7;
}
.page-contact .ct-sla__cell {
  padding: 18px 16px 20px;
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-s);
  background: var(--ct-panel-deep);
  box-shadow: inset 0 1px 0 rgba(245, 247, 250, 0.035);
}
.page-contact .ct-sla__num {
  display: block;
  font-size: clamp(24px, 4vw, 34px);
  line-height: 1.1;
  color: var(--c-signal);
  letter-spacing: 0.02em;
}
.page-contact .ct-sla__title {
  margin: 12px 0 6px;
  font-size: 15px;
  font-weight: 700;
  color: var(--c-white);
}
.page-contact .ct-sla__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--ink-muted);
}

/* ---------- 收尾 ---------- */
.page-contact .ct-foot {
  margin-top: clamp(24px, 4vw, 44px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: 1px solid var(--ct-hair);
}
.page-contact .ct-foot__inner {
  display: grid;
  gap: 16px;
}
.page-contact .ct-foot__inner .hth-text {
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-body);
}
.page-contact .ct-foot__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-contact .ct-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 14px;
  border: 1px solid var(--ct-hair);
  border-radius: var(--radius-pill);
  font-size: 13px;
  color: var(--ink-body);
  text-decoration: none;
  transition: border-color 160ms var(--ease), color 160ms var(--ease), background-color 160ms var(--ease);
}
.page-contact .ct-link:hover,
.page-contact .ct-link:focus-visible {
  border-color: rgba(255, 107, 26, 0.65);
  color: var(--c-white);
  background: rgba(255, 107, 26, 0.1);
  outline: none;
}
.page-contact .ct-legal {
  margin: 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--ink-muted);
}
.page-contact .ct-legal .hth-mono {
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-hero__figure img {
    aspect-ratio: 2 / 1;
  }
  .page-contact .ct-prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(20px, 4vw, 48px);
  }
  .page-contact .ct-sla__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .ct-sla__intro {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-contact .ct-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
  .page-contact .ct-step {
    padding: 24px 20px 26px;
  }
  .page-contact .ct-old__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .ct-types__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1fr) 260px;
    gap: clamp(24px, 4vw, 52px);
  }
  .page-contact .ct-hero__aside {
    margin-top: 8px;
    padding: 4px 0 0 22px;
    border-top: 0;
    border-left: 1px solid var(--ct-hair);
  }
}

@media (min-width: 1000px) {
  .page-contact .ct-body__grid {
    grid-template-columns: minmax(0, 1.58fr) minmax(0, 1fr);
  }
  .page-contact .ct-side {
    position: sticky;
    top: 24px;
  }
  .page-contact .ct-sla__grid {
    grid-template-columns: 240px repeat(3, minmax(0, 1fr));
    gap: 16px;
    align-items: start;
  }
  .page-contact .ct-sla__intro {
    grid-column: auto;
    padding-right: 12px;
  }
}
<<<END>>>