.page-contact {
  --ct-col-gap: 20px;
  --ct-band-pad: 26px 20px 30px;
  --ct-ink-soft: rgba(246, 243, 236, .72);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding-top: 24px;
  padding-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--c-slate);
}

.page-contact .breadcrumbs a {
  color: var(--c-electric);
  text-decoration: none;
}

.page-contact .breadcrumbs a:hover {
  text-decoration: underline;
}

.page-contact .ct-crumb-sep {
  margin: 0 8px;
  color: var(--c-clay);
}

/* ---------- 首屏框景 ---------- */
.page-contact .ct-hero {
  padding-top: 20px;
}

.page-contact .ct-frame {
  position: relative;
  overflow: hidden;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--c-paper);
  box-shadow: var(--shadow);
}

.page-contact .ct-frame::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  bottom: 0;
  width: 12px;
  background: repeating-linear-gradient(180deg, var(--c-ink) 0 1px, transparent 1px 13px);
  opacity: .16;
  pointer-events: none;
}

.page-contact .ct-frame__bar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 6px 14px;
  padding: 9px 16px;
  border-bottom: 2px solid var(--c-ink);
  background: var(--c-mist);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-ridge);
}

.page-contact .ct-frame__body {
  padding: 28px 26px 34px 24px;
}

.page-contact .ct-hero__lead {
  max-width: 46ch;
  margin: 14px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-contact .ct-hero__quick {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px 22px;
  margin-top: 24px;
}

/* ---------- 渠道卡 ---------- */
.page-contact .ct-section-lead {
  max-width: 44ch;
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-contact .ct-channels__grid {
  margin-top: 28px;
}

.page-contact .ct-channel {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 20px 26px;
  border: var(--line);
  border-radius: var(--radius);
  background: var(--c-paper);
  box-shadow: var(--shadow);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .ct-channel--mail {
  border-top: 8px solid var(--c-electric);
}

.page-contact .ct-channel--phone {
  border-top: 8px solid var(--c-jersey);
}

.page-contact .ct-channel:hover {
  transform: translate(2px, 2px);
  box-shadow: var(--shadow-sm);
}

.page-contact .ct-channel .tag {
  align-self: flex-start;
}

.page-contact .ct-channel__value {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: .02em;
  color: var(--c-ink);
  word-break: break-all;
}

.page-contact .ct-channel__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-contact .ct-channel__list {
  margin: 2px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 8px;
}

.page-contact .ct-channel__list li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-ink);
}

.page-contact .ct-channel__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 8px;
  height: 2px;
  background: var(--c-clay);
}

.page-contact .ct-channel .annotation {
  margin-top: auto;
  padding-top: 12px;
  border-top: 1px dashed var(--c-mist);
}

/* ---------- 准备清单带 ---------- */
.page-contact .ct-prep__band {
  position: relative;
  overflow: hidden;
  padding: var(--ct-band-pad);
  border: var(--line);
  border-radius: var(--radius);
  background: var(--c-ridge);
  color: var(--c-paper);
  box-shadow: var(--shadow);
}

.page-contact .ct-prep__band::after {
  content: "";
  position: absolute;
  right: -30px;
  bottom: -30px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(226, 84, 44, .34), transparent 68%);
  pointer-events: none;
}

.page-contact .ct-prep__eyebrow {
  color: var(--c-batch);
}

.page-contact .ct-prep__title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: 26px;
  line-height: 1.25;
  letter-spacing: -.01em;
}

.page-contact .ct-prep__sub {
  margin: 10px 0 0;
  max-width: 40ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ct-ink-soft);
}

.page-contact .ct-prep__list {
  display: grid;
  gap: 16px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: none;
}

.page-contact .ct-prep__item {
  position: relative;
  padding: 16px 16px 18px;
  border: 1px solid rgba(246, 243, 236, .32);
  border-radius: var(--radius);
  background: rgba(11, 31, 28, .3);
}

.page-contact .ct-prep__num {
  display: inline-block;
  padding: 2px 8px;
  border-radius: var(--radius);
  background: var(--c-batch);
  color: var(--c-ink);
  font-size: 13px;
  letter-spacing: .08em;
}

.page-contact .ct-prep__item-title {
  margin: 10px 0 6px;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-paper);
}

.page-contact .ct-prep__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--ct-ink-soft);
}

/* ---------- 分类列表 ---------- */
.page-contact .ct-cats__list {
  display: grid;
  gap: 16px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-cat {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 6px 16px;
  padding: 20px 18px 22px;
  border: var(--line);
  border-left: 7px solid var(--c-electric);
  border-radius: var(--radius);
  background: var(--c-paper);
  box-shadow: var(--shadow-sm);
  transition: transform .2s var(--ease), box-shadow .2s var(--ease);
}

.page-contact .ct-cat:nth-child(2) {
  border-left-color: var(--c-moss);
}

.page-contact .ct-cat:nth-child(3) {
  border-left-color: var(--c-clay);
}

.page-contact .ct-cat:nth-child(4) {
  border-left-color: var(--c-jersey);
}

.page-contact .ct-cat:hover {
  transform: translate(2px, 2px);
  box-shadow: none;
}

.page-contact .ct-cat__idx {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 30px;
  height: 30px;
  border-radius: 50%;
  background: var(--c-ink);
  color: var(--c-paper);
  font-size: 14px;
}

.page-contact .ct-cat__title {
  margin: 3px 0 8px;
  font-family: var(--font-sans);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--c-ink);
}

.page-contact .ct-cat__body p {
  margin: 0 0 12px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-slate);
}

/* ---------- 回复节奏 ---------- */
.page-contact .ct-reply__inner {
  display: grid;
  gap: 28px;
}

.page-contact .ct-reply__list {
  display: grid;
  gap: 16px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-reply__list li {
  padding-left: 18px;
  border-left: 3px solid var(--c-mist);
}

.page-contact .ct-reply__item-title {
  margin: 0 0 6px;
  font-family: var(--font-sans);
  font-size: 17px;
  font-weight: 700;
  color: var(--c-ink);
}

.page-contact .ct-reply__list p {
  margin: 0;
  max-width: 46ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-contact .ct-reply__media {
  border: var(--line);
  border-radius: var(--radius);
  background: var(--c-mist);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin: 0;
}

.page-contact .ct-reply__media img,
.page-contact .ct-partner__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .ct-reply__media .media__caption,
.page-contact .ct-partner__media .media__caption {
  padding: 10px 14px 12px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--c-slate);
  background: var(--c-paper);
}

/* ---------- 合作方向 ---------- */
.page-contact .ct-partner {
  background: var(--c-mist);
  border-top: 2px solid var(--c-ink);
  border-bottom: 2px solid var(--c-ink);
  margin-top: 40px;
  padding-bottom: 40px;
}

.page-contact .ct-partner__grid {
  display: grid;
  gap: 14px;
  margin-top: 26px;
}

.page-contact .ct-partner__item {
  border: var(--line);
  border-radius: var(--radius);
  background: var(--c-paper);
  box-shadow: var(--shadow-sm);
}

.page-contact .ct-partner__item summary {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
}

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

.page-contact .ct-partner__item summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-jersey);
}

.page-contact .ct-partner__item[open] summary::after {
  content: "–";
}

.page-contact .ct-partner__name {
  font-family: var(--font-sans);
  font-size: 18px;
  font-weight: 800;
  color: var(--c-ink);
}

.page-contact .ct-partner__hint {
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--c-clay);
}

.page-contact .ct-partner__item[open] summary {
  border-bottom: 1px dashed var(--c-mist);
}

.page-contact .ct-partner__body {
  padding: 16px 18px 20px;
}

.page-contact .ct-partner__body > p {
  margin: 0 0 14px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-slate);
}

.page-contact .ct-partner__sub {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 400;
  letter-spacing: .06em;
  color: var(--c-ridge);
}

.page-contact .ct-partner__body ul {
  margin: 0 0 12px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .ct-partner__body ul li {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.65;
  color: var(--c-ink);
}

.page-contact .ct-partner__body ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .58em;
  width: 8px;
  height: 2px;
  background: var(--c-moss);
}

.page-contact .ct-partner__media {
  border: var(--line);
  border-radius: var(--radius);
  background: var(--c-paper);
  box-shadow: var(--shadow);
  overflow: hidden;
  margin: 26px 0 0;
}

/* ---------- 深色收尾 ---------- */
.page-contact .ct-dark {
  position: relative;
  margin-top: 46px;
  padding: 62px 0 48px;
  background: var(--c-ink);
  color: var(--c-paper);
}

.page-contact .ct-dark::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -26px;
  height: 27px;
  background: var(--c-ink);
  clip-path: polygon(0 100%, 0 58%, 9% 12%, 20% 72%, 31% 26%, 43% 70%, 55% 8%, 67% 66%, 78% 22%, 89% 62%, 100% 30%, 100% 100%);
}

.page-contact .ct-dark__grid {
  display: grid;
  gap: 30px;
}

.page-contact .ct-dark__eyebrow {
  color: var(--c-batch);
}

.page-contact .ct-dark__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: 22px;
  line-height: 1.45;
  letter-spacing: -.005em;
  color: var(--c-paper);
}

.page-contact .ct-dark__text {
  margin: 14px 0 0;
  max-width: 44ch;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--ct-ink-soft);
}

.page-contact .ct-dark__col--meta {
  padding: 20px 18px 22px;
  border: 1px solid rgba(246, 243, 236, .28);
  border-left: 6px solid var(--c-moss);
  border-radius: var(--radius);
  background: rgba(15, 92, 78, .28);
}

.page-contact .ct-dark__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-batch);
}

.page-contact .ct-dark__icp,
.page-contact .ct-dark__value {
  margin: 6px 0 16px;
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--c-paper);
  word-break: break-all;
}

.page-contact .ct-dark__value:last-of-type {
  margin-bottom: 0;
}

.page-contact .ct-dark__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(246, 243, 236, .3);
  font-size: 13px;
  line-height: 1.7;
  color: var(--ct-ink-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .ct-frame__body {
    padding: 36px 40px 44px 38px;
  }

  .page-contact .ct-prep__band {
    padding: 34px 32px 38px;
  }

  .page-contact .ct-prep__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

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

  .page-contact .ct-partner__item:nth-child(3) {
    grid-column: 1 / -1;
  }
}

@media (min-width: 1024px) {
  .page-contact {
    --ct-band-pad: 44px 48px 48px;
  }

  .page-contact .ct-hero {
    padding-top: 30px;
  }

  .page-contact .ct-frame__body {
    padding: 48px 64px 56px 56px;
  }

  .page-contact .ct-frame::after {
    width: 16px;
  }

  .page-contact .ct-prep__title {
    font-size: 32px;
  }

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

  .page-contact .ct-cat {
    grid-template-columns: auto 1fr auto;
    align-items: start;
  }

  .page-contact .ct-cat__body {
    max-width: 62ch;
  }

  .page-contact .ct-reply__inner {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    align-items: start;
    gap: 42px;
  }

  .page-contact .ct-reply__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px 26px;
  }

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

  .page-contact .ct-partner__item:nth-child(3) {
    grid-column: auto;
  }

  .page-contact .ct-partner__media {
    margin-top: 32px;
  }

  .page-contact .ct-dark {
    margin-top: 60px;
    padding: 78px 0 60px;
  }

  .page-contact .ct-dark__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .ct-dark__title {
    font-size: 26px;
  }
}
<<<END>>>