.page-contact {
  --co-line: rgba(36, 28, 23, .14);
  --co-line-invert: rgba(253, 250, 243, .28);
}

/* ---------- 首屏 ---------- */
.page-contact .co-hero {
  padding: 32px 0 72px;
  background-color: var(--cream);
  background-image:
    repeating-linear-gradient(180deg, rgba(36, 28, 23, .035) 0 1px, transparent 1px 26px);
  border-bottom: var(--bd);
}

.page-contact .co-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 24px;
}

.page-contact .co-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 7vw, 64px);
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--ink);
  margin: 10px 0 0;
  max-width: 20ch;
}

.page-contact .co-hero__title::before {
  content: "";
  display: block;
  width: 44px;
  height: 6px;
  background: var(--ochre);
  margin-bottom: 18px;
}

.page-contact .co-hero__lead {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .co-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .co-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 28px 36px;
  margin: 34px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 2px solid var(--ink);
}

.page-contact .co-metrics li {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-contact .co-metrics__num {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  color: var(--ochre);
  line-height: 1;
}

.page-contact .co-metrics__k {
  font-size: 13px;
  color: var(--grey);
}

/* 档案封面 */
.page-contact .co-dossier {
  background: var(--paper);
  border: var(--bd);
  box-shadow: var(--shadow);
  padding: 0 0 8px;
}

.page-contact .co-dossier__bar {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  padding: 10px 16px;
  background: var(--ink);
  color: var(--paper);
  font-size: 11px;
  letter-spacing: .1em;
}

.page-contact .co-dossier__seal {
  position: relative;
  display: grid;
  place-items: center;
  padding: 26px 16px 12px;
}

.page-contact .co-dossier__seal svg {
  width: min(210px, 62%);
  height: auto;
  display: block;
}

.page-contact .co-dossier__seal-text {
  position: absolute;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 30px;
  letter-spacing: .18em;
  color: var(--ochre-deep);
}

.page-contact .co-dossier__list {
  list-style: none;
  margin: 8px 0 0;
  padding: 0 16px;
}

.page-contact .co-dossier__list li {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 0;
  border-top: 1px solid var(--co-line);
  font-size: 15px;
  color: var(--ink);
}

.page-contact .co-dossier__list .mono {
  font-size: 11px;
  color: var(--gold);
  letter-spacing: .12em;
}

/* ---------- 通用区块 ---------- */
.page-contact .co-section {
  padding: 64px 0;
  border-bottom: var(--bd);
}

.page-contact .co-section--paper {
  background: var(--cream);
}

.page-contact .co-section--lake {
  background: var(--lake);
  color: var(--paper);
}

.page-contact .co-section .section-head {
  margin-bottom: 32px;
}

.page-contact .co-section--lake .section-head__title,
.page-contact .co-section--lake .section-head__num {
  color: var(--paper);
}

.page-contact .co-section--lake .section-head__title::after {
  background: var(--gold);
}

/* ---------- 合作方向 ---------- */
.page-contact .co-dirs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .co-dir-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 2px solid var(--ink);
}

.page-contact .co-dir {
  display: grid;
  grid-template-columns: 46px 1fr;
  gap: 4px 16px;
  padding: 22px 0;
  border-bottom: 1px solid var(--co-line);
  transition: background var(--t) var(--ease);
}

.page-contact .co-dir:hover {
  background: var(--paper);
}

.page-contact .co-dir__num {
  grid-row: span 2;
  font-size: 13px;
  color: var(--gold);
  letter-spacing: .1em;
  padding-top: 4px;
}

.page-contact .co-dir__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 20px;
  margin: 0 0 6px;
  color: var(--ink);
}

.page-contact .co-dir__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--grey);
  max-width: 58ch;
}

.page-contact .co-dir .tag {
  grid-column: 2;
  justify-self: start;
  margin-top: 10px;
}

.page-contact .co-dirs__figure {
  margin: 0;
  border: var(--bd);
  box-shadow: var(--shadow-sm);
  background: var(--paper);
}

.page-contact .co-dirs__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

/* ---------- 流程 ---------- */
.page-contact .co-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 2px solid var(--co-line-invert);
}

.page-contact .co-flow__item {
  position: relative;
  padding: 24px 0 24px 40px;
  border-bottom: 1px solid var(--co-line-invert);
}

.page-contact .co-flow__item::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 24px;
  bottom: 0;
  width: 3px;
  background: var(--gold);
  opacity: .55;
}

.page-contact .co-flow__item:last-child::before {
  bottom: 60%;
}

.page-contact .co-flow__num {
  position: absolute;
  left: 0;
  top: 22px;
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--gold);
}

.page-contact .co-flow__title {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  margin: 0 0 8px;
  color: var(--paper);
}

.page-contact .co-flow__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(253, 250, 243, .84);
  max-width: 56ch;
}

/* ---------- 对照 ---------- */
.page-contact .co-compare {
  border: var(--bd);
  box-shadow: var(--shadow-sm);
  background: var(--paper);
}

.page-contact .co-compare__head {
  display: none;
}

.page-contact .co-compare__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 18px 18px 20px;
  border-bottom: 1px solid var(--co-line);
}

.page-contact .co-compare__row:nth-child(odd) {
  background: rgba(127, 169, 164, .08);
}

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

.page-contact .co-compare__label {
  font-size: 10px;
  letter-spacing: .14em;
  color: var(--lake);
  margin-top: 8px;
}

.page-contact .co-compare__cell {
  font-size: 14px;
  line-height: 1.7;
  color: var(--grey);
}

.page-contact .co-compare__cell--key {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  color: var(--ink);
  border-left: 4px solid var(--ochre);
  padding-left: 10px;
  margin-bottom: 4px;
}

/* ---------- 联系 ---------- */
.page-contact .co-section--reach {
  background: var(--ochre-deep);
  color: var(--paper);
}

.page-contact .co-reach {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
}

.page-contact .eyebrow--invert {
  color: var(--gold);
}

.page-contact .co-reach__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(26px, 4.6vw, 42px);
  line-height: 1.2;
  letter-spacing: -.01em;
  margin: 10px 0 0;
  color: var(--paper);
}

.page-contact .co-reach__lead {
  margin: 16px 0 0;
  max-width: 58ch;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(253, 250, 243, .86);
}

.page-contact .co-reach__list {
  margin: 28px 0 0;
  border-top: 2px solid rgba(201, 146, 43, .7);
}

.page-contact .co-reach__item {
  display: grid;
  grid-template-columns: 76px 1fr;
  gap: 12px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--co-line-invert);
}

.page-contact .co-reach__item dt {
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--gold);
}

.page-contact .co-reach__item dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .co-reach__item a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 2px solid var(--gold);
  padding-bottom: 1px;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease);
}

.page-contact .co-reach__item a:hover,
.page-contact .co-reach__item a:focus-visible {
  color: var(--gold);
  border-color: var(--paper);
}

.page-contact .co-reach__figure {
  margin: 0;
  border: 2px solid var(--gold);
  background: var(--paper);
}

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

.page-contact .co-reach__figure .media-frame__cap {
  color: var(--ink);
  background: var(--paper);
}

/* ---------- 问答 ---------- */
.page-contact .co-faq {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  border-top: 2px solid var(--ink);
}

.page-contact .co-faq__item {
  padding: 22px 0;
  border-bottom: 1px solid var(--co-line);
}

.page-contact .co-faq__q {
  position: relative;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  margin: 0 0 8px;
  padding-left: 20px;
  color: var(--ink);
}

.page-contact .co-faq__q::before {
  content: "?";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ochre);
}

.page-contact .co-faq__a {
  margin: 0 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
  max-width: 62ch;
}

.page-contact .co-backlink {
  margin: 32px 0 0;
  padding-top: 20px;
  border-top: 2px solid var(--ink);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

.page-contact .co-backlink a {
  color: var(--ochre);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-contact .co-backlink a:hover,
.page-contact .co-backlink a:focus-visible {
  color: var(--flare);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .co-hero {
    padding: 40px 0 88px;
  }

  .page-contact .co-section {
    padding: 80px 0;
  }

  .page-contact .co-faq {
    grid-template-columns: 1fr 1fr;
    column-gap: 40px;
  }

  .page-contact .co-faq__item:nth-child(-n+2) {
    border-top: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .co-hero__grid {
    grid-template-columns: 1.05fr .95fr;
    gap: 56px;
    align-items: start;
  }

  .page-contact .co-dirs {
    grid-template-columns: 1.35fr .65fr;
    gap: 40px;
    align-items: start;
  }

  .page-contact .co-dirs__figure {
    position: sticky;
    top: 88px;
  }

  .page-contact .co-flow {
    grid-template-columns: repeat(4, 1fr);
    border-top: 0;
    border-left: 0;
    gap: 0 28px;
  }

  .page-contact .co-flow__item {
    padding: 44px 0 0 0;
    border-bottom: 0;
    border-top: 2px solid var(--co-line-invert);
  }

  .page-contact .co-flow__item::before {
    left: 0;
    top: -7px;
    bottom: auto;
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: 2px solid var(--gold);
    background: var(--lake);
  }

  .page-contact .co-flow__item:last-child::before {
    bottom: auto;
  }

  .page-contact .co-flow__num {
    position: static;
    display: block;
    margin-bottom: 10px;
  }

  .page-contact .co-compare__head {
    display: grid;
    grid-template-columns: 1fr 1.1fr 1.4fr;
    gap: 20px;
    padding: 14px 22px;
    background: var(--ink);
    color: var(--paper);
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .12em;
  }

  .page-contact .co-compare__row {
    grid-template-columns: 1fr 1.1fr 1.4fr;
    gap: 20px;
    align-items: start;
    padding: 20px 22px;
  }

  .page-contact .co-compare__label {
    display: none;
  }

  .page-contact .co-compare__cell {
    padding-top: 4px;
  }

  .page-contact .co-compare__cell--key {
    margin-bottom: 0;
    padding-left: 12px;
  }

  .page-contact .co-reach {
    grid-template-columns: 1.15fr .85fr;
    gap: 56px;
    align-items: start;
  }

  .page-contact .co-reach__list {
    display: grid;
    grid-template-columns: 1fr 1fr;
    column-gap: 32px;
  }

  .page-contact .co-reach__item {
    grid-template-columns: 72px 1fr;
  }
}

@media (min-width: 1200px) {
  .page-contact .co-hero {
    padding: 48px 0 104px;
  }

  .page-contact .co-section {
    padding: 96px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .co-dir,
  .page-contact .co-reach__item a {
    transition: none;
  }
}

;