.page-contact {
  --contact-radius: 4px;
  --contact-gap: 18px;
  padding-block: 24px 88px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0;
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

.page-contact .breadcrumbs li {
  display: inline-flex;
  align-items: center;
}

.page-contact .breadcrumbs li + li::before {
  content: "/";
  margin: 0 9px;
  color: var(--line);
}

.page-contact .breadcrumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 140ms var(--ease), border-color 140ms var(--ease);
}

.page-contact .breadcrumbs a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

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

/* ---------- 首屏说明 ---------- */
.page-contact .contact-lead {
  max-width: 66ch;
  padding-bottom: 38px;
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-lead__idx {
  margin: 0 0 16px;
  color: var(--cyan);
}

.page-contact .contact-lead h1 {
  margin: 0 0 18px;
  font-family: var(--sans);
  font-size: clamp(30px, 6.6vw, 54px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-contact .contact-lead__lede {
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(242, 246, 255, .8);
}

.page-contact section {
  margin-top: 60px;
}

.page-contact .section-head {
  margin-bottom: 24px;
}

/* ---------- 联络方式 ---------- */
.page-contact .contact-board {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
}

.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  padding: 22px 22px 24px;
  border-radius: var(--contact-radius);
  background: var(--sand);
  color: var(--ink-900);
  box-shadow: var(--shadow-1);
  transition: box-shadow 180ms var(--ease), transform 180ms var(--ease);
}

.page-contact .contact-card:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: -32px;
  right: -32px;
  width: 82px;
  height: 82px;
  background: var(--orange);
  opacity: .18;
  transform: rotate(45deg);
  pointer-events: none;
}

.page-contact .contact-card .idx {
  margin: 0 0 10px;
  color: var(--teal);
}

.page-contact .contact-card__title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: rgba(11, 18, 32, .78);
}

.page-contact .contact-card__value {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: clamp(16px, 4.4vw, 20px);
  font-weight: 600;
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--ink-900);
  font-variant-numeric: tabular-nums;
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--addr {
  font-size: clamp(15px, 3.8vw, 17px);
  line-height: 1.66;
  letter-spacing: 0;
}

.page-contact .contact-card__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(11, 18, 32, .7);
}

.page-contact .office-hours {
  padding: 20px 18px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--orange);
  border-radius: var(--contact-radius);
  background: linear-gradient(180deg, rgba(255, 122, 41, .09), rgba(255, 122, 41, 0));
}

.page-contact .office-hours__title {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .office-hours__time {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: clamp(24px, 7vw, 28px);
  font-weight: 700;
  line-height: 1.12;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
}

.page-contact .office-hours__note {
  margin: 0 0 9px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .office-hours__note:last-child {
  margin-bottom: 0;
}

/* ---------- 四类来意 ---------- */
.page-contact .duty-grid {
  gap: var(--contact-gap);
}

.page-contact .duty {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 22px 20px 18px;
  transition: border-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-contact .duty:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .duty .idx {
  margin: 0;
  color: var(--cyan);
}

.page-contact .duty__title {
  margin: 0;
  font-size: 19px;
  font-weight: 700;
  line-height: 1.42;
  color: var(--paper);
}

.page-contact .duty__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(242, 246, 255, .72);
}

.page-contact .duty .disclosure {
  margin-top: auto;
  padding-top: 14px;
  border-top: 1px solid var(--line);
}

.page-contact .duty .disclosure__body {
  margin-top: 12px;
  padding-left: 12px;
  border-left: 2px solid var(--cyan);
}

.page-contact .duty .disclosure__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(242, 246, 255, .78);
}

/* ---------- 要素清单 ---------- */
.page-contact .essentials {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .essentials__item {
  display: grid;
  grid-template-columns: 3rem minmax(0, 1fr);
  column-gap: 16px;
  padding: 20px 2px;
  border-bottom: 1px solid var(--line);
  transition: background-color 180ms var(--ease);
}

.page-contact .essentials__item:hover {
  background: rgba(34, 224, 214, .05);
}

.page-contact .essentials__item .idx {
  grid-column: 1;
  grid-row: 1 / span 2;
  padding-top: 3px;
  color: var(--cyan);
}

.page-contact .essentials__item h3 {
  grid-column: 2;
  grid-row: 1;
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .essentials__item p {
  grid-column: 2;
  grid-row: 2;
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 响应节奏 ---------- */
.page-contact .follow-figure,
.page-contact .flow-figure {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--contact-radius);
  overflow: hidden;
  background: var(--ink-800);
}

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

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

.page-contact .follow-step {
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  column-gap: 16px;
  padding: 18px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .follow-step:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .follow-step__num {
  font-family: var(--mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-contact .follow-step__body h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-contact .follow-step__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .follow-foot {
  margin: 22px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--orange);
  background: rgba(255, 122, 41, .07);
  font-size: 14.5px;
  line-height: 1.78;
  color: rgba(242, 246, 255, .82);
}

/* ---------- 合作流程 ---------- */
.page-contact .flow-steps {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--contact-gap);
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step {
  position: relative;
  padding: 24px 20px 20px;
  border: 1px solid var(--line);
  border-radius: var(--contact-radius);
  background: var(--ink-800);
  transition: border-color 160ms var(--ease), transform 160ms var(--ease), box-shadow 160ms var(--ease);
}

.page-contact .flow-step:hover {
  border-color: var(--cyan);
  transform: translateY(-2px);
  box-shadow: var(--shadow-2);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  width: 38px;
  height: 3px;
  background: var(--orange);
  transform: translateY(-50%);
}

.page-contact .flow-step .idx {
  margin: 0 0 10px;
  color: var(--rose);
}

.page-contact .flow-step h3 {
  margin: 0 0 10px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}

.page-contact .flow-step > p:not(.idx) {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(242, 246, 255, .72);
}

.page-contact .flow-step__materials {
  margin-top: 16px;
  padding: 12px 14px;
  border-left: 2px solid var(--cyan);
  background: rgba(34, 224, 214, .06);
  opacity: .8;
  transition: opacity 180ms var(--ease), background-color 180ms var(--ease);
}

.page-contact .flow-step:hover .flow-step__materials,
.page-contact .flow-step:focus-within .flow-step__materials {
  opacity: 1;
  background: rgba(34, 224, 214, .12);
}

.page-contact .flow-step__materials-title {
  margin: 0 0 9px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .flow-step__materials ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-step__materials li {
  position: relative;
  padding-left: 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(242, 246, 255, .78);
}

.page-contact .flow-step__materials li::before {
  content: "";
  position: absolute;
  top: .82em;
  left: 0;
  width: 7px;
  height: 1px;
  background: var(--muted);
}

/* ---------- 相关入口 ---------- */
.page-contact .contact-next {
  margin-top: 64px;
  padding: 28px 22px 26px;
  border: 1px solid var(--line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--contact-radius);
  background: var(--ink-800);
}

.page-contact .contact-next__title {
  margin: 0 0 12px;
  font-size: clamp(21px, 4.4vw, 28px);
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-next__text {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.82;
  color: rgba(242, 246, 255, .75);
}

.page-contact .contact-next__links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .contact-next__link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--contact-radius);
  text-decoration: none;
  background: transparent;
  transition: border-color 160ms var(--ease), background-color 160ms var(--ease), transform 160ms var(--ease);
}

.page-contact .contact-next__link:hover {
  border-color: var(--cyan);
  background: rgba(34, 224, 214, .07);
  transform: translateY(-2px);
}

.page-contact .contact-next__link .idx {
  color: var(--orange);
}

.page-contact .contact-next__link span:last-child {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(242, 246, 255, .78);
}

.page-contact .contact-next__foot {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--line);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.8;
  letter-spacing: .02em;
  color: var(--muted);
  overflow-wrap: anywhere;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-board {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .essentials {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 48px;
  }

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

@media (min-width: 900px) {
  .page-contact .flow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 44px;
  }

  .page-contact .flow-step:not(:last-child)::after {
    content: "\2192";
    position: absolute;
    top: 42px;
    right: -33px;
    font-family: var(--mono);
    font-size: 18px;
    line-height: 1;
    color: var(--line);
  }

  .page-contact .follow-steps {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    column-gap: 32px;
  }

  .page-contact .follow-step {
    grid-template-columns: minmax(0, 1fr);
    row-gap: 10px;
    border-bottom: 0;
    border-top: 1px solid var(--line);
    padding: 20px 0 4px;
  }

  .page-contact .follow-step:first-child {
    border-top: 1px solid var(--line);
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-board {
    grid-template-columns: repeat(3, minmax(0, 1fr)) 12.5rem;
    align-items: stretch;
  }

  .page-contact .contact-next {
    padding: 32px 30px 28px;
  }

  .page-contact .contact-next__links {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>