.page-contact {
  --ct-black: #0B0D0E;
  --ct-deep: #0E1F19;
  --ct-deep-hover: #132A22;
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  font-size: var(--fs-17);
  line-height: 1.75;
  overflow-x: hidden;
}

.page-contact .breadcrumb {
  padding-top: 20px;
}

.page-contact a:focus-visible,
.page-contact summary:focus-visible,
.page-contact button:focus-visible {
  outline: 2px solid var(--lime);
  outline-offset: 3px;
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  display: grid;
  gap: 28px;
  padding: 24px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-hero__label {
  color: var(--lime);
  margin: 0;
}

.page-contact .ct-hero__title {
  margin: 14px 0 16px;
  font-size: clamp(2rem, 7.6vw, 3.5rem);
  line-height: 1.06;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-contact .ct-hero__title span {
  color: var(--lime);
}

.page-contact .ct-hero__lede {
  margin: 0 0 20px;
  max-width: 34em;
  color: var(--paper);
}

.page-contact .ct-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
  font-size: var(--fs-14);
  color: var(--muted);
}

.page-contact .ct-hero__meta li {
  padding-left: 14px;
  border-left: 2px solid var(--amber);
}

.page-contact .ct-hero__meta .mono {
  color: var(--amber);
  margin-right: 6px;
}

.page-contact .ct-hero__media {
  margin: 0;
  position: relative;
}

.page-contact .ct-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .ct-hero__media figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 区块骨架 ---------- */
.page-contact .ct-block {
  padding-top: clamp(44px, 6vw, 76px);
}

.page-contact .section-head {
  border-bottom: 1px solid var(--line);
  padding-bottom: 16px;
  margin-bottom: 24px;
}

.page-contact .section-head__idx {
  margin: 0 0 8px;
  color: var(--amber);
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
}

.page-contact .section-head__title {
  margin: 0 0 8px;
  font-size: clamp(1.5rem, 4.6vw, 2.5rem);
  line-height: 1.15;
  font-weight: 800;
  letter-spacing: -0.015em;
}

.page-contact .section-head__note {
  margin: 0;
  max-width: 48em;
  font-size: var(--fs-14);
  color: var(--muted);
}

/* ---------- 筛选条 ---------- */
.page-contact .ct-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 22px;
}

/* ---------- 四类合作 ---------- */
.page-contact .ct-coop {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-coop__item {
  position: relative;
  padding: 26px 22px 28px;
  background: var(--ink-2);
  transition: background var(--dur) var(--ease);
}

.page-contact .ct-coop__item:nth-child(even) {
  background: var(--ct-deep);
}

.page-contact .ct-coop__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 2px;
  background: var(--amber);
}

.page-contact .ct-coop__item:hover {
  background: var(--ct-deep-hover);
}

.page-contact .ct-coop__idx {
  margin: 0 0 12px;
  color: var(--lime);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
}

.page-contact .ct-coop__name {
  margin: 0 0 16px;
  font-size: var(--fs-21);
  font-weight: 700;
  line-height: 1.3;
}

.page-contact .ct-coop__meta {
  margin: 0;
  display: grid;
  gap: 12px;
}

.page-contact .ct-coop__meta dt {
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-contact .ct-coop__meta dd {
  margin: 4px 0 0;
  font-size: var(--fs-14);
  line-height: 1.72;
  color: var(--paper);
}

/* ---------- 流程带 ---------- */
.page-contact .ct-flow-band {
  margin: 0 0 30px;
}

.page-contact .ct-flow-band img {
  display: block;
  width: 100%;
  height: clamp(110px, 20vw, 180px);
  object-fit: cover;
  opacity: 0.82;
}

.page-contact .ct-flow-band figcaption {
  margin-top: 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.05em;
  color: var(--muted);
}

.page-contact .ct-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 22px;
}

.page-contact .ct-step {
  position: relative;
  padding-top: 26px;
}

.page-contact .ct-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: var(--line-strong);
}

.page-contact .ct-step::after {
  content: "";
  position: absolute;
  top: -3px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--amber);
}

.page-contact .ct-step__sum {
  list-style: none;
  cursor: pointer;
  display: block;
}

.page-contact .ct-step__sum::-webkit-details-marker {
  display: none;
}

.page-contact .ct-step__num {
  display: block;
  font-size: var(--fs-28);
  line-height: 1;
  color: var(--amber);
  letter-spacing: -0.02em;
}

.page-contact .ct-step__name {
  display: block;
  margin-top: 10px;
  font-size: var(--fs-21);
  font-weight: 700;
  line-height: 1.3;
}

.page-contact .ct-step__hint {
  display: inline-block;
  margin-top: 8px;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-contact .ct-step__d[open] .ct-step__hint {
  color: var(--lime);
}

.page-contact .ct-step__body {
  padding-top: 12px;
}

.page-contact .ct-step__body p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 准备材料 ---------- */
.page-contact .ct-prep__grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .ct-prep__item {
  padding: 26px 22px 30px;
  background: var(--gem-teal);
}

.page-contact .ct-prep__id {
  margin: 0 0 10px;
  color: var(--amber);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
}

.page-contact .ct-prep__item h3 {
  margin: 0 0 10px;
  font-size: var(--fs-17);
  font-weight: 700;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .ct-prep__item p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 联络区 ---------- */
.page-contact .ct-reach {
  margin-top: clamp(56px, 8vw, 96px);
  padding: clamp(52px, 8vw, 104px) 0 clamp(60px, 9vw, 116px);
  background: linear-gradient(180deg, var(--ink) 0%, var(--structure) 48%, var(--ct-black) 100%);
  border-top: 1px solid var(--line);
}

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

.page-contact .ct-reach__title {
  margin: 14px 0 clamp(30px, 5vw, 54px);
  font-size: clamp(1.75rem, 5.4vw, 2.75rem);
  line-height: 1.14;
  font-weight: 800;
  letter-spacing: -0.02em;
}

.page-contact .ct-reach__rows {
  display: grid;
}

.page-contact .ct-reach__row {
  display: grid;
  gap: 6px;
  padding: 20px 0;
  border-top: 1px solid var(--line);
}

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

.page-contact .ct-reach__k {
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-contact .ct-reach__mail {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 5.2vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .ct-reach__desc {
  font-size: var(--fs-14);
  color: var(--muted);
}

.page-contact .ct-reach__pair {
  margin: 34px 0 0;
  display: grid;
  gap: 24px;
}

.page-contact .ct-reach__pair dt {
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-contact .ct-reach__pair dd {
  margin: 8px 0 0;
  font-size: var(--fs-17);
  line-height: 1.6;
  color: var(--paper);
}

.page-contact .ct-reach__pair dd.mono {
  font-size: var(--fs-21);
  letter-spacing: 0.02em;
}

.page-contact .ct-reach__hours {
  margin: 32px 0 0;
  max-width: 42em;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 相关链接 ---------- */
.page-contact .ct-links {
  padding: 36px 0 64px;
}

.page-contact .ct-links__k {
  margin: 0 0 14px;
  color: var(--muted);
}

.page-contact .ct-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
}

.page-contact .ct-links__list a {
  display: inline-block;
  font-size: var(--fs-14);
  color: var(--paper);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--line-strong);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .ct-links__list a:hover {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-contact .ct-coop {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-contact .ct-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
    gap: 48px;
    padding: 40px 0 64px;
  }

  .page-contact .ct-hero__media img {
    clip-path: polygon(0 0, 100% 6%, 100% 100%, 0 94%);
  }

  .page-contact .ct-steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .ct-reach__row {
    grid-template-columns: 132px minmax(0, 1fr) 260px;
    align-items: baseline;
    gap: 28px;
    padding: 24px 0;
  }

  .page-contact .ct-links {
    padding-bottom: 88px;
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-hero__title {
    font-size: var(--fs-56);
  }

  .page-contact .ct-reach__title {
    font-size: var(--fs-40);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .ct-coop__item,
  .page-contact .ct-links__list a {
    transition: none;
  }
}
<<<END>>>