.page-contact {
  --contact-tilt: 22px;
  display: block;
  padding-bottom: 64px;
  color: var(--text);
}

.page-contact .page-shell {
  width: 100%;
  max-width: 1180px;
  margin: 0 auto;
  padding: 0 18px;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  padding: 20px 0 4px;
}

.page-contact .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-contact .breadcrumbs__link {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-contact .breadcrumbs__link:hover,
.page-contact .breadcrumbs__link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  display: grid;
  gap: 26px;
  padding: 26px 0 44px;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -70px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle at 35% 35%, rgba(53, 240, 214, 0.2), rgba(124, 92, 255, 0.08) 55%, transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-hero > * {
  position: relative;
  z-index: 1;
}

.page-contact .eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--neon);
}

.page-contact h1 {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: clamp(30px, 6vw, 52px);
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-contact h2 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.25;
  letter-spacing: -0.005em;
  color: var(--text);
}

.page-contact h3 {
  margin: 0 0 10px;
  font-family: var(--font-head);
  font-size: 19px;
  line-height: 1.3;
  letter-spacing: 0.005em;
  color: var(--text);
}

.page-contact .contact-hero__lede {
  max-width: 34em;
  margin: 0 0 20px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 24px;
  padding: 0;
  list-style: none;
}

.page-contact .hero-tags .tag {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.05em;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-contact .media-frame img,
.page-contact .contact-hero__media img,
.page-contact .path-map img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: var(--radius);
}

.page-contact .contact-hero__media img {
  border-radius: 0;
  aspect-ratio: 3 / 2;
}

/* ---------- 区块通用 ---------- */
.page-contact .section-block {
  padding: 34px 0;
  border-top: 1px solid var(--line);
}

.page-contact .section-head {
  max-width: 40em;
  margin-bottom: 26px;
}

.page-contact .section-head p:not(.eyebrow) {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 三条通道 ---------- */
.page-contact .path-grid {
  display: grid;
  gap: 18px;
}

.page-contact .path-card {
  position: relative;
  padding: 26px 20px 28px;
  background: var(--panel);
  background-image: linear-gradient(160deg, rgba(53, 240, 214, 0.06), transparent 60%);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--contact-tilt)), calc(100% - var(--contact-tilt)) 100%, 0 100%);
  transition: transform 0.18s ease, filter 0.18s ease, background-color 0.18s ease;
}

.page-contact .path-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 3px;
  background: var(--neon);
}

.page-contact .path-card--mail {
  background-image: linear-gradient(160deg, rgba(124, 92, 255, 0.08), transparent 60%);
}

.page-contact .path-card--mail::before {
  background: var(--violet);
}

.page-contact .path-card--hotline {
  background-image: linear-gradient(160deg, rgba(255, 138, 61, 0.09), transparent 60%);
}

.page-contact .path-card--hotline::before {
  background: var(--orange);
}

.page-contact .path-card:hover,
.page-contact .path-card:focus-within {
  transform: translateY(-2px);
  filter: drop-shadow(0 0 14px rgba(53, 240, 214, 0.25));
}

.page-contact .path-card--mail:hover,
.page-contact .path-card--mail:focus-within {
  filter: drop-shadow(0 0 14px rgba(124, 92, 255, 0.3));
}

.page-contact .path-card--hotline:hover,
.page-contact .path-card--hotline:focus-within {
  filter: drop-shadow(0 0 14px rgba(255, 138, 61, 0.3));
}

.page-contact .exhibit-label {
  display: inline-block;
  margin-bottom: 12px;
  padding: 3px 9px;
  font-family: var(--font-num);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--text);
  border: 1px solid var(--line);
  border-top: 3px solid var(--neon);
  border-radius: 3px;
  background: var(--panel-high);
}

.page-contact .path-card--mail .exhibit-label {
  border-top-color: var(--violet);
}

.page-contact .path-card--hotline .exhibit-label {
  border-top-color: var(--orange);
}

.page-contact .path-card__fit {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text);
}

.page-contact .path-card__note {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .path-card__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .path-card__meta li {
  padding: 4px 10px;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--muted);
  border: 1px dashed var(--line);
  border-radius: 999px;
}

.page-contact .path-card__action {
  margin-top: 16px;
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 14px;
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--neon);
  background: transparent;
  border: 1px solid var(--neon);
  border-radius: 999px;
  cursor: pointer;
  word-break: break-all;
  transition: background-color 0.16s ease, color 0.16s ease, border-color 0.16s ease;
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: rgba(53, 240, 214, 0.12);
  border-color: var(--neon-dark);
  color: var(--text);
}

.page-contact .copy-btn.is-copied {
  color: var(--bg);
  background: var(--neon);
  border-color: var(--neon);
}

.page-contact .path-map {
  position: relative;
  margin: 30px 0 0;
  padding: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--panel);
}

.page-contact .path-map img {
  border-radius: 0;
  aspect-ratio: 10 / 7;
  opacity: 0.72;
}

.page-contact .path-map figcaption {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 铭牌 ---------- */
.page-contact .plate {
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  background: linear-gradient(180deg, var(--panel) 0%, rgba(6, 10, 18, 0.9) 100%);
  overflow: hidden;
}

.page-contact .plate__row {
  display: grid;
  gap: 6px;
  padding: 14px 16px;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .plate__label {
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--neon);
}

.page-contact .plate__value {
  font-family: var(--font-num);
  font-size: 14.5px;
  letter-spacing: 0.03em;
  line-height: 1.6;
  color: var(--text);
  word-break: break-word;
}

.page-contact .plate .copy-btn {
  justify-self: start;
  font-size: 12px;
  padding: 6px 12px;
}

.page-contact .visit-note {
  margin-top: 26px;
  padding: 22px 20px;
  border-left: 3px solid var(--violet);
  background: var(--panel);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-contact .visit-note h3 {
  font-size: 17px;
}

.page-contact .visit-note p {
  margin: 0 0 10px;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .visit-note p:last-child {
  margin-bottom: 0;
}

/* ---------- 合作 ---------- */
.page-contact .coop-grid {
  display: grid;
  gap: 16px;
}

.page-contact .coop-card {
  position: relative;
  padding: 24px 18px 22px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
}

.page-contact .coop-card::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  right: -1px;
  height: 3px;
  background: var(--neon);
  border-radius: var(--radius-sm) var(--radius-sm) 0 0;
}

.page-contact .coop-card--media::before {
  background: var(--violet);
}

.page-contact .coop-card--gear::before {
  background: var(--orange);
}

.page-contact .coop-card p {
  margin: 0 0 16px;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .coop-card h3 {
  font-size: 17.5px;
  letter-spacing: 0.01em;
}

.page-contact .check-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .check-item {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  padding: 8px 12px;
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.5;
  text-align: left;
  color: var(--muted);
  background: rgba(22, 33, 58, 0.4);
  border: 1px solid var(--line);
  border-radius: 999px;
  cursor: pointer;
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.page-contact .check-item__box {
  flex: none;
  width: 12px;
  height: 12px;
  border: 1px solid var(--line);
  border-radius: 3px;
  transition: background-color 0.16s ease, border-color 0.16s ease;
}

.page-contact .check-item:hover,
.page-contact .check-item:focus-visible {
  color: var(--text);
  border-color: var(--neon);
}

.page-contact .check-item.is-done {
  color: var(--text);
  border-color: var(--neon);
  background: rgba(53, 240, 214, 0.1);
}

.page-contact .check-item.is-done .check-item__box {
  background: var(--neon);
  border-color: var(--neon);
}

/* ---------- 纠错清单 ---------- */
.page-contact .correction-list {
  display: grid;
  gap: 14px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-contact .correction-item {
  position: relative;
  padding: 18px 18px 18px 22px;
  background: var(--panel-high);
  border-left: 3px solid var(--neon);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

.page-contact .correction-item__num {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-num);
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--neon);
}

.page-contact .correction-item h3 {
  margin-bottom: 6px;
  font-size: 16.5px;
}

.page-contact .correction-item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .correction-tail {
  margin: 0;
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .correction-tail a {
  color: var(--neon);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 214, 0.4);
  transition: color 0.16s ease, border-color 0.16s ease;
}

.page-contact .correction-tail a:hover,
.page-contact .correction-tail a:focus-visible {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ---------- 相关页 ---------- */
.page-contact .related-grid {
  display: grid;
  gap: 12px;
}

.page-contact .related-card {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 18px 16px;
  text-decoration: none;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius-sm);
  transition: transform 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.page-contact .related-card:hover,
.page-contact .related-card:focus-visible {
  transform: translateY(-2px);
  border-color: var(--neon);
  background: var(--panel-high);
}

.page-contact .related-card__kicker {
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--neon);
}

.page-contact .related-card__title {
  font-family: var(--font-head);
  font-size: 15.5px;
  line-height: 1.5;
  color: var(--text);
}

/* ---------- 平板 ---------- */
@media (min-width: 700px) {
  .page-contact .page-shell {
    padding: 0 28px;
  }

  .page-contact .plate__row {
    grid-template-columns: 150px minmax(0, 1fr) auto;
    align-items: center;
    gap: 18px;
    padding: 15px 20px;
  }

  .page-contact .plate .copy-btn {
    justify-self: end;
  }

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

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

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: center;
    gap: 44px;
    padding: 48px 0 68px;
  }

  .page-contact .contact-hero__media {
    margin-top: -12px;
  }

  .page-contact .section-block {
    padding: 52px 0;
  }

  .page-contact .path-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
    gap: 22px;
  }

  .page-contact .path-card--mail {
    margin-top: 30px;
  }

  .page-contact .path-card--hotline {
    margin-top: 68px;
    padding-bottom: 24px;
  }

  .page-contact .path-card--hotline .path-card__fit {
    margin-bottom: 8px;
  }

  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .correction-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 16px;
  }

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

  .page-contact .visit-note {
    padding: 26px 26px;
  }
}

@media (min-width: 1180px) {
  .page-contact .path-grid {
    gap: 26px;
  }
}