.page-contact {
  --pc-gap: clamp(1rem, 3.5vw, 2.4rem);
  color: var(--paper);
  background:
    radial-gradient(90% 60% at 88% -8%, rgba(77, 227, 193, 0.12), transparent 62%),
    radial-gradient(70% 50% at 0% 44%, rgba(184, 255, 61, 0.06), transparent 60%),
    linear-gradient(180deg, var(--ink) 0%, var(--char) 55%, var(--ink) 100%);
  overflow-x: hidden;
  padding-bottom: clamp(2rem, 5vw, 3.5rem);
}

.page-contact img {
  display: block;
  max-width: 100%;
  height: auto;
}

.page-contact .contact-hero,
.page-contact .contact-prep,
.page-contact .contact-scope,
.page-contact .contact-channels,
.page-contact .contact-flow,
.page-contact .contact-partner,
.page-contact .contact-jump {
  padding-block: clamp(2rem, 5vw, 3.4rem);
}

.page-contact .contact-prep,
.page-contact .contact-channels,
.page-contact .contact-partner {
  border-top: 1px solid var(--line-soft);
}

/* 面包屑 */
.page-contact .contact-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  padding-top: 1.4rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--steel);
}

.page-contact .contact-crumb a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-contact .contact-crumb a:hover,
.page-contact .contact-crumb a:focus-visible {
  color: var(--turf);
  border-bottom-color: var(--turf);
}

.page-contact .contact-crumb [aria-current="page"] {
  color: var(--paper);
}

/* 首屏 */
.page-contact .contact-hero {
  padding-top: clamp(1.4rem, 4vw, 2.4rem);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .contact-hero__lead h1 {
  margin: 0.6rem 0 0;
  font-family: var(--font-cond);
  font-size: clamp(1.95rem, 6vw, 3.6rem);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-contact .contact-hero__lede {
  margin: 1.05rem 0 0;
  max-width: 48ch;
  font-size: 1rem;
  line-height: 1.78;
  color: rgba(243, 246, 238, 0.78);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.5rem;
}

/* 终端速览卡 */
.page-contact .contact-terminal {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(160deg, rgba(18, 59, 46, 0.94), rgba(18, 21, 22, 0.97));
  padding: 1.15rem 1.15rem 1rem;
  box-shadow: 0 26px 60px rgba(0, 0, 0, 0.4);
  overflow: hidden;
}

.page-contact .contact-terminal::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--turf), var(--cyan) 55%, transparent);
}

.page-contact .contact-terminal__bar {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-terminal__dot {
  width: 0.5rem;
  height: 0.5rem;
  border-radius: 50%;
  background: var(--turf);
  box-shadow: 0 0 0 4px rgba(184, 255, 61, 0.14);
  flex: none;
}

.page-contact .contact-terminal__brand {
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .contact-terminal__list {
  margin: 0;
  padding: 0.35rem 0 0;
}

.page-contact .contact-terminal__row {
  display: grid;
  grid-template-columns: 4.9rem minmax(0, 1fr);
  gap: 0.7rem;
  align-items: baseline;
  padding: 0.72rem 0;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .contact-terminal__row:last-child {
  border-bottom: 0;
}

.page-contact .contact-terminal__row dt {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--steel);
}

.page-contact .contact-terminal__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  line-height: 1.55;
  font-variant-numeric: tabular-nums;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .contact-terminal__note {
  margin: 0.85rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid var(--line-soft);
  font-size: 0.8rem;
  line-height: 1.7;
  color: rgba(243, 246, 238, 0.6);
}

/* 区块标题通用 */
.page-contact .contact-lede {
  margin: 0.8rem 0 0;
  max-width: 52ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(243, 246, 238, 0.7);
}

.page-contact .contact-prep__head h2,
.page-contact .contact-scope__head h2,
.page-contact .contact-channels__panel h2,
.page-contact .contact-flow__head h2,
.page-contact .contact-partner__head h2,
.page-contact .contact-jump__intro h2 {
  margin: 0.5rem 0 0;
  font-family: var(--font-cond);
  font-size: clamp(1.45rem, 4vw, 2.2rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

/* 咨询前准备 */
.page-contact .contact-prep__grid {
  list-style: none;
  margin: 1.6rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-prep__grid li {
  display: grid;
  grid-template-columns: 2.3rem minmax(0, 1fr);
  column-gap: 0.85rem;
  row-gap: 0.3rem;
  padding: 0.95rem 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-prep__grid li:first-child {
  border-top: 0;
  padding-top: 0.3rem;
}

.page-contact .contact-prep__idx {
  grid-column: 1;
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 1.15rem;
  font-variant-numeric: tabular-nums;
  line-height: 1.15;
  color: var(--amber);
}

.page-contact .contact-prep__grid h3 {
  grid-column: 2;
  grid-row: 1;
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .contact-prep__grid p {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(243, 246, 238, 0.68);
}

/* 服务范围 */
.page-contact .contact-scope__grid {
  display: grid;
  gap: 1.6rem;
}

.page-contact .contact-scope__intro {
  margin: 0.8rem 0 0;
  max-width: 32ch;
  font-size: 0.95rem;
  line-height: 1.75;
  color: rgba(243, 246, 238, 0.7);
}

.page-contact .contact-scope__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-scope__item {
  display: grid;
  gap: 0.45rem;
  padding: 1.05rem 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .contact-scope__item .tag {
  justify-self: start;
}

.page-contact .contact-scope__item h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .contact-scope__item p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(243, 246, 238, 0.66);
}

/* 联系渠道 */
.page-contact .contact-channels__grid {
  display: grid;
  gap: 1.6rem;
}

.page-contact .contact-channels__caption {
  margin: 0.75rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--steel);
}

.page-contact .contact-channels__fields {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-channels__fields li {
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-channels__fields li:last-child {
  border-bottom: 0;
  padding-bottom: 0.2rem;
}

.page-contact .contact-channels__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--steel);
}

.page-contact .contact-channels__value {
  display: block;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 1rem;
  letter-spacing: 0.01em;
  font-variant-numeric: tabular-nums;
  color: var(--turf);
  overflow-wrap: anywhere;
}

.page-contact .contact-channels__value--plain {
  font-family: var(--font-body);
  font-size: 0.98rem;
  letter-spacing: 0;
  color: var(--paper);
}

.page-contact .contact-channels__hint {
  display: block;
  margin-top: 0.3rem;
  font-size: 0.82rem;
  line-height: 1.65;
  color: rgba(243, 246, 238, 0.6);
}

/* 回复流程 */
.page-contact .contact-flow__grid {
  display: grid;
  gap: 1.6rem;
  margin-top: 1.6rem;
}

.page-contact .contact-flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .contact-flow__steps li {
  position: relative;
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  column-gap: 0.9rem;
  padding-bottom: 1.5rem;
}

.page-contact .contact-flow__steps li:last-child {
  padding-bottom: 0;
}

.page-contact .contact-flow__steps li::before {
  content: "";
  position: absolute;
  left: 0.62rem;
  top: 2.1rem;
  bottom: 0.15rem;
  width: 1px;
  background: linear-gradient(180deg, rgba(184, 255, 61, 0.5), rgba(143, 166, 178, 0.12));
}

.page-contact .contact-flow__steps li:last-child::before {
  display: none;
}

.page-contact .contact-flow__step-num {
  font-family: var(--font-cond);
  font-size: 1.65rem;
  line-height: 1;
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--amber);
}

.page-contact .contact-flow__step-body h3 {
  margin: 0.1rem 0 0;
  font-size: 1rem;
  font-weight: 600;
  color: var(--paper);
}

.page-contact .contact-flow__step-body p {
  margin: 0.35rem 0 0;
  font-size: 0.9rem;
  line-height: 1.75;
  color: rgba(243, 246, 238, 0.68);
}

.page-contact .contact-flow__figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  overflow: hidden;
  background: rgba(38, 53, 45, 0.45);
}

.page-contact .contact-flow__figure img {
  width: 100%;
  object-fit: cover;
}

.page-contact .contact-flow__figure figcaption {
  padding: 0.8rem 1rem 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--steel);
  border-top: 1px solid var(--line-soft);
}

/* 合作共建 */
.page-contact .contact-partner__cards {
  display: grid;
  gap: 0.85rem;
  margin-top: 1.6rem;
}

.page-contact .contact-partner__card {
  border: 1px solid var(--line);
  border-radius: 28px;
  background: linear-gradient(165deg, rgba(38, 53, 45, 0.9), rgba(11, 31, 23, 0.92));
  overflow: hidden;
  transition: border-color 0.2s ease, background 0.2s ease;
}

.page-contact .contact-partner__card[open] {
  border-color: rgba(184, 255, 61, 0.45);
}

.page-contact .contact-partner__card summary {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  padding: 1.1rem 1.25rem;
  list-style: none;
  cursor: pointer;
  font-family: var(--font-cond);
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .contact-partner__card summary::-webkit-details-marker {
  display: none;
}

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

.page-contact .contact-partner__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--amber);
}

.page-contact .contact-partner__chev {
  margin-left: auto;
  width: 0.5rem;
  height: 0.5rem;
  flex: none;
  border-right: 2px solid currentColor;
  border-bottom: 2px solid currentColor;
  transform: rotate(45deg) translateY(-2px);
  transition: transform 0.2s ease;
  color: var(--steel);
}

.page-contact .contact-partner__card[open] .contact-partner__chev {
  transform: rotate(-135deg) translateY(-2px);
  color: var(--turf);
}

.page-contact .contact-partner__body {
  padding: 0 1.25rem 1.2rem;
}

.page-contact .contact-partner__body p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: rgba(243, 246, 238, 0.7);
}

/* 快捷入口 */
.page-contact .contact-jump__panel {
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(150deg, rgba(18, 59, 46, 0.72), rgba(18, 21, 22, 0.9));
  padding: clamp(1.25rem, 4vw, 2.2rem);
  display: grid;
  gap: 1.4rem;
}

.page-contact .contact-jump__intro p {
  margin: 0.75rem 0 0;
  max-width: 40ch;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(243, 246, 238, 0.68);
}

.page-contact .contact-jump__links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.2rem;
}

.page-contact .contact-jump__links a {
  display: grid;
  gap: 0.2rem;
  padding: 0.85rem 0.9rem;
  border-radius: var(--radius-sm);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.page-contact .contact-jump__links a:hover,
.page-contact .contact-jump__links a:focus-visible {
  background: rgba(184, 255, 61, 0.08);
  border-left-color: var(--turf);
}

.page-contact .contact-jump__label {
  font-size: 0.98rem;
  font-weight: 600;
  color: var(--turf);
}

.page-contact .contact-jump__desc {
  font-size: 0.83rem;
  line-height: 1.6;
  color: rgba(243, 246, 238, 0.62);
}

/* 响应式 */
@media (min-width: 640px) {
  .page-contact .contact-scope__item {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    column-gap: 1.2rem;
    row-gap: 0.3rem;
    align-items: start;
  }

  .page-contact .contact-scope__item .tag {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .page-contact .contact-scope__item h3 {
    grid-column: 2;
    grid-row: 1;
  }

  .page-contact .contact-scope__item p {
    grid-column: 2;
    grid-row: 2;
  }

  .page-contact .contact-jump__panel {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
    gap: 2rem;
  }
}

@media (min-width: 760px) {
  .page-contact .contact-prep__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2rem;
  }

  .page-contact .contact-prep__grid li:nth-child(2) {
    border-top: 0;
    padding-top: 0.3rem;
  }

  .page-contact .contact-partner__cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0.9rem;
    align-items: start;
  }

  .page-contact .contact-partner__card:nth-child(2) {
    margin-top: 1.5rem;
  }

  .page-contact .contact-partner__card:nth-child(3) {
    margin-top: 3rem;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 3rem;
    align-items: start;
  }

  .page-contact .contact-terminal {
    margin-top: 0.4rem;
  }

  .page-contact .contact-scope__grid {
    grid-template-columns: minmax(220px, 320px) minmax(0, 1fr);
    gap: 2.6rem;
    align-items: start;
  }

  .page-contact .contact-channels__grid {
    grid-template-columns: minmax(0, 0.95fr) minmax(0, 1.05fr);
    gap: 2.6rem;
    align-items: center;
  }

  .page-contact .contact-flow__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 2.8rem;
    align-items: start;
  }

  .page-contact .contact-flow__figure {
    position: sticky;
    top: calc(var(--header-h) + 1.5rem);
    align-self: start;
  }
}

@media (min-width: 1200px) {
  .page-contact .contact-hero {
    padding-bottom: clamp(2.6rem, 5vw, 4rem);
  }

  .page-contact .contact-prep,
  .page-contact .contact-scope,
  .page-contact .contact-channels,
  .page-contact .contact-flow,
  .page-contact .contact-partner,
  .page-contact .contact-jump {
    padding-block: clamp(3rem, 4.5vw, 4.2rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-partner__chev,
  .page-contact .contact-jump__links a,
  .page-contact .contact-partner__card,
  .page-contact .contact-crumb a {
    transition: none;
  }
}
<<<END>>>