.page-contact {
  --pc-line: rgba(18, 33, 29, .16);
  --pc-line-dark: rgba(232, 220, 198, .2);
  --pc-cut: 36px;
  background: var(--kt-paper);
  color: var(--kt-text);
  overflow-x: hidden;
}

.page-contact .pc-crumbs {
  margin-bottom: 28px;
  font-size: .8rem;
  letter-spacing: .04em;
}

.page-contact .pc-crumbs a,
.page-contact .pc-crumbs span {
  color: rgba(232, 220, 198, .66);
}

.page-contact .pc-crumbs a:hover {
  color: var(--kt-cyan);
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  position: relative;
  background:
    radial-gradient(130% 95% at 88% 0%, rgba(59, 240, 207, .14), transparent 58%),
    var(--kt-ink);
  color: var(--kt-sand);
  padding: 26px 0 74px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--pc-cut)), 0 100%);
}

.page-contact .pc-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .pc-hero__title {
  font-family: var(--kt-font-display);
  font-weight: 300;
  font-size: clamp(2.5rem, 9vw, 4.6rem);
  line-height: .95;
  letter-spacing: -.02em;
  margin: 14px 0 20px;
  color: var(--kt-sand);
}

.page-contact .pc-hero__lede {
  max-width: 34em;
  font-size: 1rem;
  line-height: 1.75;
  color: rgba(232, 220, 198, .82);
  margin: 0 0 26px;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .pc-hero__actions .kt-btn--ghost {
  color: var(--kt-sand);
  border-color: rgba(232, 220, 198, .45);
  background: transparent;
}

.page-contact .pc-hero__actions .kt-btn--ghost:hover {
  border-color: var(--kt-cyan);
  color: var(--kt-cyan);
}

.page-contact .pc-signal {
  background: rgba(8, 27, 22, .6);
  border: 1px solid var(--pc-line-dark);
  border-radius: var(--kt-r-md);
  padding: 4px 20px;
}

.page-contact .pc-signal__row {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-line-dark);
}

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

.page-contact .pc-signal__num {
  font-family: var(--kt-font-data);
  font-size: 1.55rem;
  line-height: 1;
  color: var(--kt-cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-signal__label {
  font-size: .84rem;
  line-height: 1.6;
  color: rgba(232, 220, 198, .74);
}

/* ---------- 通用块头 ---------- */

.page-contact .pc-h2 {
  font-family: var(--kt-font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 6vw, 2.9rem);
  line-height: 1.02;
  letter-spacing: -.01em;
  margin: 8px 0 14px;
  color: var(--kt-text);
}

.page-contact .pc-h2--sm {
  font-size: clamp(1.5rem, 4.4vw, 2rem);
  margin: 6px 0 16px;
}

.page-contact .pc-h2--light {
  color: var(--kt-sand);
}

.page-contact .pc-lede {
  max-width: 36em;
  font-size: .98rem;
  line-height: 1.78;
  color: var(--kt-muted);
  margin: 0;
}

.page-contact .pc-lede--light {
  color: rgba(232, 220, 198, .74);
}

/* ---------- 合作方式 + 流程 ---------- */

.page-contact .pc-methods {
  background: var(--kt-paper);
  padding: 56px 0 64px;
}

.page-contact .pc-methods__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 40px;
}

.page-contact .pc-methodgrid {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .pc-method {
  position: relative;
  background: #ffffff;
  border: 1px solid var(--pc-line);
  border-radius: var(--kt-r-md);
  padding: 22px 20px 18px;
  transition: border-color var(--kt-t) var(--kt-e), box-shadow var(--kt-t) var(--kt-e);
}

.page-contact .pc-method:hover {
  border-color: var(--kt-cyan);
  box-shadow: 0 10px 26px rgba(14, 43, 36, .08);
}

.page-contact .pc-method__count {
  position: absolute;
  top: 18px;
  right: 18px;
  font-family: var(--kt-font-data);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--kt-muted);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-method .kt-tag {
  display: inline-block;
  margin-bottom: 10px;
}

.page-contact .pc-method__title {
  font-family: var(--kt-font-body);
  font-size: 1.04rem;
  font-weight: 700;
  line-height: 1.35;
  margin: 0 0 8px;
  padding-right: 60px;
  color: var(--kt-text);
}

.page-contact .pc-method__text {
  font-size: .9rem;
  line-height: 1.72;
  color: var(--kt-muted);
  margin: 0;
}

/* ---------- 折叠面板 ---------- */

.page-contact .pc-fold {
  margin-top: 14px;
  border-top: 1px dashed var(--pc-line);
  padding-top: 10px;
}

.page-contact .pc-fold > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--kt-font-index);
  font-size: .7rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--kt-ink);
}

.page-contact .pc-fold > summary::-webkit-details-marker {
  display: none;
}

.page-contact .pc-fold > summary::after {
  content: "+";
  font-family: var(--kt-font-data);
  font-size: .95rem;
  line-height: 1;
  color: var(--kt-cyan);
  transition: color var(--kt-t) var(--kt-e);
}

.page-contact .pc-fold[open] > summary::after {
  content: "−";
  color: var(--kt-orange);
}

.page-contact .pc-fold ul {
  margin: 10px 0 0;
  padding-left: 18px;
  font-size: .87rem;
  line-height: 1.7;
  color: var(--kt-muted);
}

.page-contact .pc-fold li {
  margin-bottom: 3px;
}

/* ---------- 流程 ---------- */

.page-contact .pc-flow {
  background: var(--kt-sand);
  border-radius: var(--kt-r-lg);
  padding: 20px 20px 12px;
}

.page-contact .pc-flow .kt-idx {
  margin-top: 6px;
}

.page-contact .pc-steps {
  list-style: none;
  counter-reset: pcstep;
  margin: 18px 0 0;
  padding: 0;
}

.page-contact .pc-step {
  position: relative;
  padding: 0 0 24px 48px;
}

.page-contact .pc-step::before {
  counter-increment: pcstep;
  content: counter(pcstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0;
  width: 32px;
  height: 32px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--kt-ink);
  color: var(--kt-cyan);
  font-family: var(--kt-font-data);
  font-size: .72rem;
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-step::after {
  content: "";
  position: absolute;
  left: 15px;
  top: 38px;
  bottom: 4px;
  width: 1px;
  background: rgba(18, 33, 29, .22);
}

.page-contact .pc-step:last-child {
  padding-bottom: 8px;
}

.page-contact .pc-step:last-child::after {
  display: none;
}

.page-contact .pc-step__title {
  font-family: var(--kt-font-body);
  font-size: .98rem;
  font-weight: 700;
  margin: 6px 0 6px;
  color: var(--kt-text);
}

.page-contact .pc-step__text {
  font-size: .89rem;
  line-height: 1.7;
  color: var(--kt-muted);
  margin: 0;
}

.page-contact .pc-step__out {
  margin: 10px 0 0;
  font-family: var(--kt-font-data);
  font-size: .74rem;
  letter-spacing: .02em;
  color: var(--kt-ink);
  border-left: 2px solid var(--kt-cyan);
  padding-left: 10px;
}

.page-contact .pc-flow .pc-fold > summary {
  color: var(--kt-ink);
}

/* ---------- 图片 ---------- */

.page-contact .pc-figure {
  margin: 0 0 20px;
  border-radius: var(--kt-r-md);
  overflow: hidden;
  background: var(--kt-night);
}

.page-contact .pc-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .pc-figure figcaption {
  font-size: .74rem;
  line-height: 1.6;
  letter-spacing: .02em;
  padding: 10px 14px;
  color: var(--kt-muted);
  background: var(--kt-paper);
}

.page-contact .pc-figure--band {
  margin: 0 0 34px;
  border: 1px solid var(--pc-line);
}

/* ---------- 材料清单 ---------- */

.page-contact .pc-materials {
  background: var(--kt-sand);
  padding: 52px 0 60px;
}

.page-contact .pc-materials__head {
  max-width: 40em;
  margin-bottom: 26px;
}

.page-contact .pc-mathead {
  display: none;
  font-family: var(--kt-font-index);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--kt-muted);
  border-bottom: 1px solid rgba(18, 33, 29, .28);
  padding-bottom: 10px;
}

.page-contact .pc-materials__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .pc-mat {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-mat:first-child {
  border-top: 1px solid rgba(18, 33, 29, .28);
}

.page-contact .pc-mat__name {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: .94rem;
  font-weight: 600;
  color: var(--kt-text);
}

.page-contact .pc-mat__no {
  font-family: var(--kt-font-data);
  font-size: .72rem;
  font-weight: 400;
  color: var(--kt-ochre);
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-mat__use {
  font-size: .88rem;
  line-height: 1.68;
  color: var(--kt-muted);
}

/* ---------- 合作网络 ---------- */

.page-contact .pc-partners {
  background: var(--kt-ink);
  color: var(--kt-sand);
  padding: 56px 0 60px;
}

.page-contact .pc-partners__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  margin-top: 30px;
}

.page-contact .pc-partner {
  position: relative;
  border: 1px solid var(--pc-line-dark);
  border-radius: var(--kt-r-md);
  padding: 20px 18px;
  background: rgba(8, 27, 22, .45);
  transition: border-color var(--kt-t) var(--kt-e);
}

.page-contact .pc-partner:hover {
  border-color: rgba(59, 240, 207, .6);
}

.page-contact .pc-partner__num {
  display: block;
  font-family: var(--kt-font-data);
  font-size: 1.7rem;
  line-height: 1;
  color: var(--kt-cyan);
  margin-bottom: 10px;
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-partner__mark {
  display: block;
  width: 26px;
  height: 2px;
  background: var(--kt-ochre);
  margin-bottom: 22px;
}

.page-contact .pc-partner__name {
  font-size: .96rem;
  font-weight: 700;
  line-height: 1.45;
  margin: 0 0 8px;
  color: var(--kt-sand);
}

.page-contact .pc-partner__note {
  font-size: .86rem;
  line-height: 1.68;
  color: rgba(232, 220, 198, .7);
  margin: 0;
}

/* ---------- 联系区块 ---------- */

.page-contact .pc-contact {
  background: var(--kt-sand);
  padding: 56px 0 64px;
  border-top: 6px solid var(--kt-orange);
}

.page-contact .pc-contact__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
}

.page-contact .pc-contact__text {
  max-width: 34em;
  font-size: .95rem;
  line-height: 1.78;
  color: var(--kt-muted);
  margin: 0 0 14px;
}

.page-contact .pc-contact__links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin-top: 18px;
}

.page-contact .pc-contact__links a {
  position: relative;
  font-size: .88rem;
  color: var(--kt-ink);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid rgba(18, 33, 29, .3);
  transition: border-color var(--kt-t) var(--kt-e), color var(--kt-t) var(--kt-e);
}

.page-contact .pc-contact__links a:hover {
  color: var(--kt-orange);
  border-color: var(--kt-orange);
}

.page-contact .pc-direct {
  margin: 0;
  border-top: 1px solid rgba(18, 33, 29, .3);
}

.page-contact .pc-direct__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-direct dt {
  font-family: var(--kt-font-index);
  font-size: .68rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--kt-muted);
}

.page-contact .pc-direct dd {
  margin: 0;
  font-size: .9rem;
  line-height: 1.6;
  color: var(--kt-ink);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */

@media (min-width: 620px) {
  .page-contact .pc-methodgrid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .pc-partners__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-direct__row {
    grid-template-columns: 7.5em minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact {
    --pc-cut: 56px;
  }

  .page-contact .pc-hero {
    padding: 34px 0 104px;
  }

  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 40px;
    align-items: end;
  }

  .page-contact .pc-methods {
    padding: 72px 0 80px;
  }

  .page-contact .pc-materials {
    padding: 64px 0 76px;
  }

  .page-contact .pc-partners {
    padding: 68px 0 76px;
  }

  .page-contact .pc-contact {
    padding: 72px 0 84px;
  }

  .page-contact .pc-mathead {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 32px;
  }

  .page-contact .pc-mat {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    gap: 32px;
    align-items: baseline;
  }

  .page-contact .pc-mat:first-child {
    border-top: 0;
  }

  .page-contact .pc-contact__grid {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 56px;
    align-items: start;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-methods__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 44px;
    align-items: start;
  }

  .page-contact .pc-flow {
    position: sticky;
    top: 96px;
    padding: 24px 24px 16px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-method,
  .page-contact .pc-partner,
  .page-contact .pc-contact__links a {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>