.page-contact {
  --coop-indigo-veil: rgba(75, 58, 143, 0.32);
  --coop-wine-veil: rgba(110, 42, 79, 0.28);
  --coop-mint-veil: rgba(45, 242, 196, 0.14);
}

.page-contact .wrap {
  width: 100%;
}

.page-contact .breadcrumb-bar {
  padding-top: 1.5rem;
}

.page-contact .breadcrumbs {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .breadcrumbs a:hover,
.page-contact .breadcrumbs a:focus-visible {
  color: var(--mint);
  border-color: var(--mint);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: 1.5rem;
  padding-block: 1.75rem 2.75rem;
}

.page-contact .hero-copy .eyebrow {
  color: var(--mint);
}

.page-contact h1 {
  margin: 0.55rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 7.4vw, 4.4rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .lede {
  max-width: 48ch;
  margin: 0;
  color: var(--mist);
  font-size: 1rem;
  line-height: 1.8;
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.6rem;
}

.page-contact .hero-facts {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.7rem;
  margin: 1.75rem 0 0;
  padding-top: 1.15rem;
  border-top: 1px solid var(--line);
}

.page-contact .hero-facts dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .hero-facts dd {
  margin: 0.2rem 0 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--paper);
}

.page-contact .hero-facts .mono {
  font-size: 1.4rem;
  color: var(--mint);
  letter-spacing: 0;
}

/* 联系卡 */
.page-contact .contact-card {
  padding: 1.5rem 1.3rem;
  border-radius: var(--radius);
  align-self: start;
  box-shadow: 0 18px 40px -28px rgba(0, 0, 0, 0.9);
}

.page-contact .contact-card .eyebrow {
  margin: 0;
  color: var(--amber);
}

.page-contact .card-title {
  margin: 0.4rem 0 1.15rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.35rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

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

.page-contact .channel-list li {
  display: grid;
  gap: 0.2rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px dashed var(--line);
}

.page-contact .channel-list li:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .channel-key {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .channel-value {
  font-size: 0.97rem;
  line-height: 1.6;
  color: var(--paper);
  word-break: break-word;
  overflow-wrap: anywhere;
  text-decoration: none;
}

.page-contact a.channel-value {
  border-bottom: 1px solid var(--line-strong);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact a.channel-value:hover,
.page-contact a.channel-value:focus-visible {
  color: var(--mint);
  border-color: var(--mint);
}

.page-contact .channel-note {
  margin: 1.15rem 0 0;
  padding-left: 0.8rem;
  border-left: 2px solid var(--amber);
  font-size: 0.82rem;
  line-height: 1.75;
  color: var(--mist);
}

/* 图片 */
.page-contact .figure {
  margin: 0;
}

.page-contact .figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-contact .hero-figure img {
  aspect-ratio: 16 / 9;
}

.page-contact .figure__caption {
  margin-top: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 章节标题 ---------- */
.page-contact .section-head {
  display: grid;
  gap: 0.55rem;
  margin-bottom: 1.6rem;
}

.page-contact .section-head .eyebrow {
  margin: 0;
  color: var(--amber);
}

.page-contact .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.65rem, 4.8vw, 2.8rem);
  line-height: 1.04;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .section-head .lede {
  max-width: 58ch;
  margin: 0;
  font-size: 0.96rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 合作方向 ---------- */
.page-contact .directions {
  padding-block: 2.5rem 2.75rem;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(128deg, var(--coop-indigo-veil), transparent 52%),
    linear-gradient(300deg, var(--coop-wine-veil), transparent 46%);
}

.page-contact .track-picker {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.55rem;
}

.page-contact .track-input {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: 0;
  opacity: 0;
}

.page-contact .track-label {
  display: flex;
  align-items: center;
  gap: 0.7rem;
  padding: 0.85rem 1rem;
  border: 1px solid var(--line);
  border-left: 3px solid transparent;
  border-radius: var(--radius);
  background: rgba(18, 59, 85, 0.46);
  cursor: pointer;
  transition: background 0.22s var(--ease), border-color 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .track-label:hover {
  background: rgba(18, 59, 85, 0.72);
  border-color: var(--line-strong);
}

.page-contact .track-input:focus-visible + .track-label {
  outline: 2px solid var(--mint);
  outline-offset: 2px;
}

.page-contact .track-input:checked + .track-label {
  border-left-color: var(--mint);
  background: linear-gradient(90deg, var(--coop-mint-veil), rgba(18, 59, 85, 0.6));
  transform: translateY(-1px);
}

.page-contact .track-no {
  font-size: 0.78rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .track-input:checked + .track-label .track-no {
  color: var(--mint);
}

.page-contact .track-name {
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.05rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-contact .track-panels {
  margin-top: 0.7rem;
}

.page-contact .track-panel {
  display: none;
  padding: 1.25rem 1.15rem;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius);
  background: var(--deep);
}

.page-contact #track-1:checked ~ .track-panels .track-panel:nth-child(1),
.page-contact #track-2:checked ~ .track-panels .track-panel:nth-child(2),
.page-contact #track-3:checked ~ .track-panels .track-panel:nth-child(3),
.page-contact #track-4:checked ~ .track-panels .track-panel:nth-child(4) {
  display: block;
}

.page-contact .track-panel h3 {
  margin: 0 0 0.85rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.2rem;
  color: var(--paper);
}

.page-contact .panel-facts {
  display: grid;
  gap: 0.8rem;
  margin: 0;
}

.page-contact .panel-facts div {
  display: grid;
  gap: 0.15rem;
}

.page-contact .panel-facts dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.16em;
  color: var(--amber);
}

.page-contact .panel-facts dd {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--paper);
}

/* ---------- 流程 ---------- */
.page-contact .flow-section {
  padding-block: 2.5rem;
  border-top: 1px solid var(--line);
}

.page-contact .flow {
  list-style: none;
  display: grid;
  gap: 0.9rem;
  margin: 0 0 1.6rem;
  padding: 0;
}

.page-contact .flow li {
  position: relative;
  padding: 1.35rem 1rem 1.05rem;
  border: 1px solid var(--line);
  border-top: 2px solid var(--glass);
  border-radius: var(--radius);
  background: rgba(11, 39, 64, 0.62);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .flow li:hover {
  border-color: var(--line-strong);
  border-top-color: var(--mint);
  background: rgba(18, 59, 85, 0.6);
  transform: translateY(-2px);
}

.page-contact .flow li::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 1rem;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 3px rgba(255, 178, 74, 0.18);
}

.page-contact .flow-no {
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--mint);
}

.page-contact .flow h3 {
  margin: 0.3rem 0 0.45rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.12rem;
  color: var(--paper);
}

.page-contact .flow p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-contact .flow-figure {
  display: grid;
  gap: 0.75rem;
  align-items: center;
}

.page-contact .flow-figure img {
  aspect-ratio: 3 / 2;
}

/* ---------- 准备清单 ---------- */
.page-contact .prep {
  padding-block: 2.25rem;
}

.page-contact .prep-panel {
  padding: 1.5rem 1.15rem;
  border-radius: var(--radius);
  color: var(--navy);
}

.page-contact .prep-head .eyebrow {
  margin: 0;
  color: var(--wine);
}

.page-contact .prep-head h2 {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 4.4vw, 2.3rem);
  line-height: 1.06;
  color: var(--navy);
}

.page-contact .checklist {
  list-style: none;
  display: grid;
  gap: 0.6rem;
  margin: 1.3rem 0 0;
  padding: 0;
}

.page-contact .checklist label {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.7rem;
  align-items: start;
  padding: 0.8rem 0.9rem;
  border: 1px solid rgba(7, 26, 43, 0.16);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, 0.72);
  cursor: pointer;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .checklist label:hover {
  border-color: rgba(7, 26, 43, 0.34);
}

.page-contact .checklist input {
  width: 1.05rem;
  height: 1.05rem;
  margin: 0.22rem 0 0;
  accent-color: #0d7a63;
}

.page-contact .checklist label:has(input:checked) {
  border-color: #0d7a63;
  background: rgba(45, 242, 196, 0.18);
}

.page-contact .check-text {
  font-size: 0.87rem;
  line-height: 1.72;
  color: rgba(7, 26, 43, 0.76);
}

.page-contact .check-text strong {
  display: block;
  margin-bottom: 0.15rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  letter-spacing: 0.01em;
  color: var(--navy);
}

.page-contact .prep-note {
  margin: 1.1rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: rgba(7, 26, 43, 0.6);
}

/* ---------- 后续支持 ---------- */
.page-contact .support {
  padding-block: 2.5rem;
  border-top: 1px solid var(--line);
}

.page-contact .support-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.85rem;
}

.page-contact .support-card {
  padding: 1.2rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(18, 59, 85, 0.38);
  transition: border-color 0.22s var(--ease), background 0.22s var(--ease), transform 0.22s var(--ease);
}

.page-contact .support-card:hover {
  border-color: var(--line-strong);
  background: rgba(18, 59, 85, 0.62);
  transform: translateY(-2px);
}

.page-contact .support-card h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.1rem;
  color: var(--mint);
}

.page-contact .support-card p {
  margin: 0;
  font-size: 0.88rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .link-list {
  list-style: none;
  display: grid;
  gap: 0.55rem;
  margin: 1.5rem 0 0;
  padding: 0;
}

.page-contact .link-list a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.9rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  font-size: 0.9rem;
  line-height: 1.6;
  color: var(--paper);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-contact .link-list a::after {
  content: "→";
  flex: none;
  font-family: var(--font-mono);
  color: var(--mint);
}

.page-contact .link-list a:hover,
.page-contact .link-list a:focus-visible {
  border-color: var(--mint);
  background: rgba(45, 242, 196, 0.08);
  transform: translateX(2px);
}

/* ---------- 收尾 ---------- */
.page-contact .closing-band {
  margin-top: 2.5rem;
  padding-block: 2.25rem 3rem;
  border-top: 1px solid var(--line);
  background:
    linear-gradient(112deg, rgba(45, 242, 196, 0.12), rgba(255, 178, 74, 0.1) 58%, transparent 88%);
}

.page-contact .closing-band h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.6rem, 5vw, 2.6rem);
  line-height: 1.06;
  color: var(--paper);
  text-wrap: balance;
}

.page-contact .closing-band p {
  max-width: 52ch;
  margin: 0.75rem 0 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
  margin-top: 1.4rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .track-picker {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .track-panels {
    grid-column: 1 / -1;
    margin-top: 0.9rem;
  }

  .page-contact .track-panel {
    padding: 1.5rem 1.4rem;
  }

  .page-contact .panel-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 1.2rem;
  }

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

  .page-contact .prep-panel {
    padding: 2rem 1.8rem;
  }

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

@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, 0.82fr);
    grid-template-areas:
      "copy card"
      "figure figure";
    align-items: start;
    gap: 1.75rem 2rem;
    padding-block: 2rem 3.25rem;
  }

  .page-contact .hero-copy {
    grid-area: copy;
    padding-top: 0.5rem;
  }

  .page-contact .contact-card {
    grid-area: card;
  }

  .page-contact .hero-figure {
    grid-area: figure;
  }

  .page-contact .hero-facts dd {
    font-size: 1.05rem;
  }

  .page-contact .hero-facts .mono {
    font-size: 1.75rem;
  }

  .page-contact .directions,
  .page-contact .flow-section,
  .page-contact .support {
    padding-block: 3.5rem;
  }

  .page-contact .flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 0.75rem;
  }

  .page-contact .flow-figure {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 1.75rem;
  }

  .page-contact .flow-figure .figure__caption {
    margin-top: 0;
    font-size: 0.78rem;
    line-height: 1.9;
    padding-left: 1rem;
    border-left: 1px solid var(--line-strong);
  }

  .page-contact .prep {
    padding-block: 3.25rem;
  }

  .page-contact .link-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 0.6rem 0.75rem;
  }

  .page-contact .closing-band {
    padding-block: 3rem 3.5rem;
  }
}

@media (min-width: 1200px) {
  .page-contact .section-head {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    grid-template-areas:
      "eyebrow eyebrow"
      "title lede";
    align-items: end;
    gap: 0.5rem 2rem;
  }

  .page-contact .section-head .eyebrow {
    grid-area: eyebrow;
  }

  .page-contact .section-head h2 {
    grid-area: title;
  }

  .page-contact .section-head .lede {
    grid-area: lede;
    padding-bottom: 0.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .track-label,
  .page-contact .flow li,
  .page-contact .support-card,
  .page-contact .link-list a {
    transition: none;
  }

  .page-contact .flow li:hover,
  .page-contact .support-card:hover,
  .page-contact .link-list a:hover,
  .page-contact .track-input:checked + .track-label {
    transform: none;
  }
}

@media print {
  .page-contact .track-panel {
    display: block !important;
  }

  .page-contact .closing-actions,
  .page-contact .hero-actions {
    display: none;
  }
}