.page-contact {
  --pc-grid: rgba(199, 211, 221, 0.09);
  --pc-card: rgba(18, 59, 68, 0.24);
  --pc-card-hover: rgba(18, 59, 68, 0.42);
}

.page-contact > .breadcrumb {
  max-width: var(--shell-w);
  margin: 0 auto;
  padding: 20px var(--gutter) 0;
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  padding-top: clamp(28px, 5vw, 60px);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-contact .contact-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.page-contact .contact-hero-copy .eyebrow {
  margin-bottom: 14px;
}

.page-contact .contact-hero-copy .eyebrow .mono {
  color: var(--amber);
  letter-spacing: 0.08em;
}

.page-contact .contact-hero-copy h1 {
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(38px, 8vw, 76px);
  line-height: 1.05;
  letter-spacing: -0.02em;
  margin: 0 0 20px;
  color: var(--mist);
}

.page-contact .contact-hero-copy .lede {
  max-width: 58ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.8;
  color: var(--fg-dim);
  margin: 0;
}

.page-contact .hero-quick {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .hero-quick li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 12px 0;
  border-top: 1px solid var(--hair);
  font-size: 14px;
  line-height: 1.6;
  color: var(--fg-dim);
}

.page-contact .hero-quick li:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-contact .hero-quick .mono {
  color: var(--cyan);
  font-size: 12px;
  letter-spacing: 0.12em;
  flex: 0 0 auto;
}

.page-contact .hero-jump {
  margin: 28px 0 0;
}

.page-contact .contact-hero-media {
  position: relative;
  border: 1px solid var(--hair-strong);
}

.page-contact .contact-hero-media::after {
  content: "";
  position: absolute;
  right: -1px;
  bottom: -1px;
  width: 72px;
  height: 72px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  pointer-events: none;
}

@media (min-width: 900px) {
  .page-contact .contact-hero-grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 0.94fr);
    gap: clamp(40px, 5vw, 72px);
  }
}

/* ---------- 联络信息板 ---------- */

.page-contact .contact-board {
  padding-top: clamp(40px, 6vw, 76px);
  padding-bottom: clamp(40px, 6vw, 76px);
}

.page-contact .board-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .board-cards {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
  align-content: start;
}

.page-contact .contact-card {
  position: relative;
  padding: 26px 22px 22px;
  border: 1px solid var(--hair-strong);
  background-color: var(--pc-card);
  background-image:
    repeating-linear-gradient(0deg, var(--pc-grid) 0 1px, transparent 1px 28px),
    repeating-linear-gradient(90deg, var(--pc-grid) 0 1px, transparent 1px 28px);
  transition: border-color 0.3s var(--ease), background-color 0.3s var(--ease);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 26px;
  height: 2px;
  background: var(--cyan);
  transition: width 0.35s var(--ease);
}

.page-contact .contact-card:hover {
  border-color: rgba(40, 224, 208, 0.5);
  background-color: var(--pc-card-hover);
}

.page-contact .contact-card:hover::before {
  width: 96px;
}

.page-contact .card-axis {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 12px;
}

.page-contact .contact-card h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-weight: 400;
  font-size: 22px;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-contact .contact-card .contact-value {
  margin: 0 0 12px;
  font-size: clamp(15px, 2vw, 19px);
  font-weight: 500;
  letter-spacing: 0.02em;
  line-height: 1.5;
  color: var(--amber);
  overflow-wrap: anywhere;
}

.page-contact .contact-card .dim {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fg-faint);
}

.page-contact .card-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 18px;
}

.page-contact .copy-state {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  min-height: 1em;
}

.page-contact .board-note {
  border: 1px solid var(--hair-strong);
  border-top: 2px solid var(--amber);
  padding: 26px 22px 24px;
  background: linear-gradient(180deg, rgba(255, 179, 71, 0.07), rgba(10, 27, 46, 0));
  align-self: start;
}

.page-contact .board-note h3 {
  margin: 0 0 20px;
  font-family: var(--font-head);
  font-weight: 400;
  font-size: 26px;
  line-height: 1.15;
  color: var(--mist);
}

.page-contact .note-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .note-steps li {
  display: grid;
  grid-template-columns: 32px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 16px;
  border-bottom: 1px dashed var(--hair);
}

.page-contact .note-steps li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .note-steps .mono {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--amber);
  padding-top: 2px;
}

.page-contact .note-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fg-dim);
}

.page-contact .note-foot {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--hair);
  font-size: 13px;
  line-height: 1.75;
  color: var(--fg-faint);
}

@media (min-width: 960px) {
  .page-contact .board-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, 0.78fr);
    gap: clamp(28px, 3.4vw, 48px);
  }
  .page-contact .board-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .contact-card:first-child {
    grid-column: 1 / -1;
  }
}

/* ---------- 服务带状区 ---------- */

.page-contact .service-band {
  position: relative;
  padding: clamp(48px, 7vw, 88px) 0;
  background: linear-gradient(104deg, rgba(18, 59, 68, 0.72) 0%, rgba(10, 27, 46, 0.5) 62%, rgba(10, 27, 46, 0.2) 100%);
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-contact .service-band::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 7px;
  background-image: repeating-linear-gradient(90deg, rgba(40, 224, 208, 0.55) 0 1px, transparent 1px 44px);
  pointer-events: none;
}

.page-contact .band-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 32px;
  align-items: center;
}

.page-contact .band-copy h2 {
  margin: 8px 0 18px;
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(30px, 5.4vw, 52px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .band-lede {
  margin: 0 0 28px;
  max-width: 54ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-dim);
}

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

.page-contact .band-stats li {
  display: flex;
  align-items: baseline;
  gap: 16px;
  padding: 13px 0;
  border-top: 1px solid var(--hair);
}

.page-contact .band-stats li:last-child {
  border-bottom: 1px solid var(--hair);
}

.page-contact .stat-value {
  flex: 0 0 auto;
  min-width: 5.5em;
  font-size: 20px;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--amber);
}

.page-contact .stat-label {
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--fg-dim);
}

.page-contact .band-note {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan);
  font-size: 13px;
  line-height: 1.75;
  color: var(--fg-faint);
}

.page-contact .band-media {
  border: 1px solid var(--hair-strong);
}

@media (min-width: 960px) {
  .page-contact .band-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(36px, 4.6vw, 68px);
  }
  .page-contact .band-media {
    order: 2;
  }
  .page-contact .band-copy {
    order: 1;
  }
}

/* ---------- 合作方向 ---------- */

.page-contact .cooperation {
  padding-top: clamp(48px, 7vw, 84px);
  padding-bottom: clamp(44px, 6vw, 76px);
}

.page-contact .tabset-shell {
  margin-top: clamp(28px, 4vw, 44px);
}

.page-contact .cooperation .tablist {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  border-bottom: 1px solid var(--hair-strong);
  padding-bottom: 0;
}

.page-contact .cooperation .tab {
  font-family: var(--font-head);
  font-size: 17px;
  letter-spacing: 0.02em;
  padding: 12px 20px;
}

.page-contact .cooperation .tab-panel {
  border: 1px solid var(--hair-strong);
  border-top: 0;
  background: rgba(18, 59, 68, 0.2);
}

.page-contact .panel-body {
  padding: clamp(24px, 4vw, 40px);
}

.page-contact .panel-body h3 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(22px, 3.2vw, 32px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-contact .panel-body p {
  margin: 0 0 22px;
  max-width: 72ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-dim);
}

.page-contact .panel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .panel-list li {
  position: relative;
  padding-left: 22px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-contact .panel-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .coop-link {
  margin: 26px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-faint);
}

.page-contact .coop-link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 224, 208, 0.4);
  transition: border-color 0.25s var(--ease), color 0.25s var(--ease);
}

.page-contact .coop-link a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

@media (min-width: 720px) {
  .page-contact .panel-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }
  .page-contact .panel-list li {
    border-top: 1px solid var(--hair);
    padding-top: 12px;
  }
  .page-contact .panel-list li::before {
    top: 2.1em;
  }
}

/* ---------- 联络前准备 + 常见问题 ---------- */

.page-contact .prepare {
  padding-top: clamp(40px, 6vw, 76px);
  padding-bottom: clamp(48px, 7vw, 88px);
  border-top: 1px solid var(--hair);
}

.page-contact .prepare-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 5vw, 64px);
}

.page-contact .prepare-copy .section-title,
.page-contact .prepare-faq .section-title {
  margin: 8px 0 16px;
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(28px, 4.6vw, 44px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .prepare-copy .lede {
  margin: 0 0 28px;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-dim);
}

.page-contact .check-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .check-list li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: 1px dashed var(--hair);
}

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

.page-contact .check-mark {
  position: relative;
  width: 14px;
  height: 14px;
  margin-top: 5px;
  border: 1px solid var(--cyan);
}

.page-contact .check-mark::after {
  content: "";
  position: absolute;
  left: 3px;
  top: 4px;
  width: 6px;
  height: 3px;
  border-left: 1.5px solid var(--cyan);
  border-bottom: 1.5px solid var(--cyan);
  transform: rotate(-45deg);
}

.page-contact .check-list h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 400;
  font-size: 19px;
  letter-spacing: 0.01em;
  color: var(--mist);
}

.page-contact .check-list p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--fg-faint);
}

.page-contact .prepare-link {
  margin: 28px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--fg-faint);
}

.page-contact .prepare-link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(40, 224, 208, 0.4);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-contact .prepare-link a:hover {
  color: var(--amber);
  border-color: var(--amber);
}

.page-contact .prepare-faq .accordion {
  margin-top: 26px;
  border-top: 1px solid var(--hair-strong);
}

.page-contact .prepare-faq .accordion-item {
  border-bottom: 1px solid var(--hair-strong);
}

.page-contact .prepare-faq .accordion-trigger {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  width: 100%;
  padding: 18px 0;
  background: none;
  border: 0;
  text-align: left;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.6;
  color: var(--mist);
  cursor: pointer;
  transition: color 0.25s var(--ease);
}

.page-contact .prepare-faq .accordion-trigger:hover {
  color: var(--cyan);
}

.page-contact .prepare-faq .accordion-icon {
  position: relative;
  flex: 0 0 auto;
  width: 12px;
  height: 12px;
  margin-top: 4px;
}

.page-contact .prepare-faq .accordion-icon::before,
.page-contact .prepare-faq .accordion-icon::after {
  content: "";
  position: absolute;
  background: var(--amber);
  transition: transform 0.3s var(--ease), opacity 0.3s var(--ease);
}

.page-contact .prepare-faq .accordion-icon::before {
  left: 0;
  top: 5.5px;
  width: 12px;
  height: 1.5px;
}

.page-contact .prepare-faq .accordion-icon::after {
  left: 5.25px;
  top: 0;
  width: 1.5px;
  height: 12px;
}

.page-contact .prepare-faq .accordion-trigger[aria-expanded="true"] .accordion-icon::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-contact .prepare-faq .accordion-panel-inner p {
  margin: 0;
  padding: 0 0 20px;
  max-width: 60ch;
  font-size: 13.8px;
  line-height: 1.8;
  color: var(--fg-dim);
}

@media (min-width: 960px) {
  .page-contact .prepare-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 收尾 ---------- */

.page-contact .closing {
  border-top: 1px solid var(--hair);
  background: linear-gradient(120deg, rgba(18, 59, 68, 0.66), rgba(6, 16, 28, 0.9));
  padding: clamp(40px, 6vw, 72px) 0;
}

.page-contact .closing-inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: center;
}

.page-contact .closing-title {
  margin: 8px 0 14px;
  font-family: var(--font-head);
  font-weight: 400;
  font-size: clamp(28px, 5vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--mist);
}

.page-contact .closing-lede {
  margin: 0;
  max-width: 52ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fg-dim);
}

.page-contact .closing-actions {
  display: flex;
  flex-direction: column;
  gap: 14px;
  align-items: flex-start;
  padding: 22px 24px;
  border: 1px solid rgba(40, 224, 208, 0.35);
  background: rgba(10, 27, 46, 0.5);
}

.page-contact .closing-mail {
  margin: 0;
  font-size: clamp(15px, 2.2vw, 20px);
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--amber);
  overflow-wrap: anywhere;
}

@media (min-width: 860px) {
  .page-contact .closing-inner {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.75fr);
    gap: 48px;
  }
  .page-contact .closing-actions {
    justify-self: end;
    width: 100%;
  }
}

/* ---------- 全局细节 ---------- */

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

.page-contact .copy-btn {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.02em;
  cursor: pointer;
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .contact-card::before,
  .page-contact .coop-link a,
  .page-contact .prepare-link a,
  .page-contact .prepare-faq .accordion-trigger,
  .page-contact .prepare-faq .accordion-icon::before,
  .page-contact .prepare-faq .accordion-icon::after {
    transition: none;
  }
}
</PAGE_CSS>