.page-contact {
  --pc-line: rgba(243, 235, 221, 0.22);
  --pc-text-soft: rgba(255, 249, 239, 0.78);
  background: var(--ink);
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(2.4rem, 6vw, 4rem);
  background: linear-gradient(152deg, var(--ink) 0 58%, var(--ink-2) 58% 100%);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  top: clamp(2.5rem, 9vw, 7rem);
  right: clamp(-9rem, -6vw, -5rem);
  width: clamp(11rem, 26vw, 21rem);
  aspect-ratio: 1;
  border: 1px dashed rgba(217, 154, 43, 0.4);
  border-radius: 50%;
  pointer-events: none;
}

.page-contact .contact-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: clamp(1.75rem, 5vw, 3rem);
  margin-top: 1.25rem;
}

.page-contact .contact-hero__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.95rem, 6vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.015em;
  color: var(--warm);
  max-width: 22ch;
}

.page-contact .contact-hero__lede {
  margin-top: 1rem;
  max-width: 48ch;
  color: var(--pc-text-soft);
  font-size: clamp(1rem, 1.6vw, 1.1rem);
  line-height: 1.78;
}

.page-contact .contact-hero__quick {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-contact .contact-hero__quick li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  min-width: 0;
  flex: 1 1 12rem;
  padding: 0.65rem 0.9rem;
  border: 1px solid var(--pc-line);
  background: rgba(7, 21, 15, 0.36);
}

.page-contact .contact-hero__quick-label {
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .contact-hero__quick strong {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  color: var(--gold);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__figure {
  margin: 0;
}

.page-contact .contact-hero__figure img {
  display: block;
  width: 100%;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border: 2px solid var(--pc-line);
  box-shadow: var(--shadow-hard);
  filter: saturate(0.92);
}

.page-contact .contact-hero__figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--mist);
}

@media (min-width: 900px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.32fr) minmax(0, 0.68fr);
    align-items: end;
  }
}

/* ---------- 通用小节头 ---------- */
.page-contact .band-head {
  max-width: 62ch;
}

.page-contact .band-head .section-title {
  margin-top: 0.4rem;
}

/* ---------- 合作方向工作台 ---------- */
.page-contact .workbench {
  padding-block: clamp(2.4rem, 6vw, 4rem);
  border-top: 1px solid var(--pc-line);
}

.page-contact .workbench__grid {
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-contact .coop-tabs .tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

.page-contact .coop-tab {
  appearance: none;
  flex: 1 1 9rem;
  min-width: 0;
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.85rem 1rem;
  font-family: var(--font-body);
  font-size: 0.94rem;
  font-weight: 700;
  line-height: 1.3;
  text-align: left;
  color: var(--warm);
  background: rgba(7, 21, 15, 0.36);
  border: 2px solid var(--pc-line);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .coop-tab__idx {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  color: var(--sand);
  flex: none;
}

.page-contact .coop-tab:hover {
  border-color: var(--gold);
}

.page-contact .coop-tab:focus-visible {
  outline: 3px solid var(--mist);
  outline-offset: 2px;
}

.page-contact .coop-tab[aria-selected="true"] {
  background: var(--gold);
  border-color: var(--gold);
  color: var(--black);
  box-shadow: var(--shadow-hard-sm);
}

.page-contact .coop-tab[aria-selected="true"] .coop-tab__idx {
  color: rgba(7, 21, 15, 0.7);
}

.page-contact .coop-panels {
  margin-top: 1rem;
}

.page-contact .coop-panel {
  background: var(--paper);
  color: var(--black);
  border: 2px solid var(--black);
  box-shadow: var(--shadow-hard);
  padding: clamp(1.15rem, 3.5vw, 1.9rem);
}

.page-contact .coop-panel + .coop-panel {
  margin-top: 1.25rem;
}

.page-contact .coop-panel[hidden] {
  display: none;
}

.page-contact .coop-panel__title {
  margin: 0.55rem 0 0.6rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.4vw, 1.45rem);
  font-weight: 800;
  line-height: 1.3;
  color: var(--black);
}

.page-contact .coop-panel__text {
  margin: 0;
  font-size: 0.98rem;
  line-height: 1.78;
  color: rgba(7, 21, 15, 0.82);
}

.page-contact .prep-list {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-contact .prep-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.92rem;
  line-height: 1.65;
  color: rgba(7, 21, 15, 0.86);
}

.page-contact .prep-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.42em;
  width: 0.68rem;
  height: 0.68rem;
  border: 2px solid var(--gold);
}

.page-contact .coop-panel__note {
  margin: 1.1rem 0 0;
  padding: 0.7rem 0.9rem;
  border-left: 3px solid var(--sand);
  background: var(--paper-2);
  font-size: 0.86rem;
  line-height: 1.65;
  color: rgba(7, 21, 15, 0.8);
}

.page-contact .coop-panel__foot {
  margin: 1.1rem 0 0;
}

.page-contact .coop-panel .link-arrow {
  color: var(--black);
  font-weight: 700;
}

@media (min-width: 900px) {
  .page-contact .workbench__grid {
    display: grid;
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: clamp(1.25rem, 3vw, 2.25rem);
    align-items: start;
  }

  .page-contact .coop-tabs .tabs__list {
    flex-direction: column;
    flex-wrap: nowrap;
  }

  .page-contact .coop-tab {
    flex: 0 0 auto;
    width: 100%;
  }

  .page-contact .coop-panels {
    margin-top: 0;
  }

  .page-contact .coop-panel + .coop-panel {
    margin-top: 0;
  }
}

/* ---------- 流程 ---------- */
.page-contact .flow {
  padding-block: clamp(2.4rem, 6vw, 4rem);
}

.page-contact .flow-figure {
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  border: 2px solid var(--black);
  box-shadow: var(--shadow-hard);
  background: var(--paper-2);
  object-fit: cover;
}

.page-contact .flow-figure figcaption {
  margin-top: 0.7rem;
  font-size: 0.78rem;
  line-height: 1.6;
  color: var(--sage);
}

.page-contact .steps {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1.1rem;
}

.page-contact .step {
  position: relative;
  border-top: 2px solid var(--black);
  padding-top: 0.85rem;
}

.page-contact .step::before {
  content: "";
  position: absolute;
  top: -2px;
  left: 0;
  width: 1.6rem;
  height: 2px;
  background: var(--gold);
}

.page-contact .step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1;
  color: var(--ink-2);
}

.page-contact .step__title {
  margin: 0.4rem 0 0.3rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--black);
}

.page-contact .step__text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: rgba(7, 21, 15, 0.76);
}

@media (min-width: 760px) {
  .page-contact .steps {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.9rem;
  }
}

/* ---------- 联系信息带 ---------- */
.page-contact .contact-band {
  padding-block: clamp(2.1rem, 5vw, 3.2rem);
  background: var(--ink-2);
  border-top: 2px solid var(--gold);
  border-bottom: 2px solid var(--gold);
}

.page-contact .contact-band__title {
  margin-top: 0.4rem;
  color: var(--warm);
}

.page-contact .contact-grid {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-contact .contact-item {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.05rem 1.1rem;
  border: 1px solid var(--pc-line);
  background: rgba(7, 21, 15, 0.36);
}

.page-contact .contact-item__label {
  margin: 0;
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--sand);
}

.page-contact .contact-item__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.98rem, 2.4vw, 1.12rem);
  font-weight: 600;
  line-height: 1.45;
  color: var(--gold);
  overflow-wrap: anywhere;
}

.page-contact .contact-item__hint {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.7;
  color: var(--pc-text-soft);
}

.page-contact .contact-band__meta {
  margin: 1.25rem 0 0;
  padding-top: 0.9rem;
  border-top: 1px dashed var(--pc-line);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--sage);
}

@media (min-width: 760px) {
  .page-contact .contact-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 站内表单说明 ---------- */
.page-contact .guide {
  padding-block: clamp(2.4rem, 6vw, 4rem);
}

.page-contact .guide-grid {
  display: grid;
  gap: clamp(1.35rem, 3vw, 2rem);
  margin-top: clamp(1.5rem, 4vw, 2.25rem);
}

.page-contact .ask-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .ask {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.9rem;
  padding-top: 0.95rem;
  border-top: 1px solid var(--line-dark-2);
}

.page-contact .ask:first-child {
  border-top: 2px solid var(--black);
}

.page-contact .ask__num {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--sage);
  padding-top: 0.25rem;
}

.page-contact .ask__title {
  margin: 0 0 0.25rem;
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--black);
}

.page-contact .ask__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: rgba(7, 21, 15, 0.76);
}

.page-contact .check-card {
  padding: clamp(1.15rem, 3vw, 1.6rem);
  background: var(--ink);
  color: var(--warm);
  border: 2px solid var(--black);
  box-shadow: var(--shadow-hard);
}

.page-contact .check-card__title {
  margin: 0 0 0.25rem;
  font-family: var(--font-display);
  font-size: 1.05rem;
  font-weight: 800;
  color: var(--warm);
}

.page-contact .check-card__sub {
  margin: 0 0 1rem;
  font-size: 0.84rem;
  line-height: 1.65;
  color: var(--mist);
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.7rem;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 1.55rem;
  font-size: 0.9rem;
  line-height: 1.65;
  color: rgba(255, 249, 239, 0.88);
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.36em;
  width: 0.62rem;
  height: 0.62rem;
  border: 2px solid var(--gold);
  border-radius: 50%;
}

@media (min-width: 900px) {
  .page-contact .guide-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

/* ---------- 服务时间与回复节奏 ---------- */
.page-contact .rhythm {
  padding-block: clamp(2.3rem, 5.5vw, 3.6rem) clamp(2rem, 5vw, 3rem);
  background: var(--ink);
  border-top: 1px solid var(--pc-line);
}

.page-contact .rhythm-grid {
  display: grid;
  gap: clamp(1.4rem, 4vw, 2.25rem);
  margin-top: clamp(1.4rem, 4vw, 2rem);
}

.page-contact .rhythm-stats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-contact .rhythm-stats li {
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
  padding: 0.85rem 0 0.85rem 1rem;
  border-left: 3px solid var(--gold);
  background: rgba(7, 21, 15, 0.32);
}

.page-contact .rhythm-stats__num {
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3.4vw, 1.85rem);
  font-weight: 700;
  line-height: 1.1;
  color: var(--gold);
}

.page-contact .rhythm-stats__label {
  font-size: 0.84rem;
  line-height: 1.6;
  color: var(--pc-text-soft);
}

.page-contact .rhythm-notes p {
  margin: 0 0 0.95rem;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--pc-text-soft);
}

.page-contact .rhythm-notes p:last-child {
  margin-bottom: 0;
}

.page-contact .closing-links {
  list-style: none;
  margin: clamp(1.75rem, 5vw, 2.5rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-line);
}

.page-contact .closing-links li {
  border-bottom: 1px solid var(--pc-line);
  padding: 0.9rem 0;
}

.page-contact .closing-links .link-arrow {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.96rem;
  font-weight: 700;
  color: var(--warm);
}

.page-contact .closing-links .link-arrow:hover,
.page-contact .closing-links .link-arrow:focus-visible {
  color: var(--gold);
}

@media (min-width: 760px) {
  .page-contact .rhythm-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .closing-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: clamp(1.25rem, 3vw, 2.25rem);
  }
}

@media (min-width: 900px) {
  .page-contact .rhythm-grid {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .rhythm-stats {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .coop-tab {
    transition: none;
  }
}
<<<END>>>