.page-contact {
  --contact-cut: 18px;
  --contact-radius-line: 1px;
  color: var(--paper-ink);
  padding-bottom: 4.5rem;
  overflow-x: hidden;
}

.page-contact .contact-crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  padding: 1.1rem 0 1rem;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--muted);
}

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

.page-contact .contact-crumb .breadcrumb__link:hover,
.page-contact .contact-crumb .breadcrumb__link:focus-visible {
  color: var(--mint);
  border-bottom-color: var(--mint);
}

.page-contact .contact-crumb .breadcrumb__current {
  color: var(--paper-ink);
}

.page-contact .contact-crumb .breadcrumb__sep {
  color: var(--line);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--panel);
  box-shadow: inset 0 0 0 var(--contact-radius-line) var(--line);
  clip-path: polygon(
    var(--contact-cut) 0,
    100% 0,
    100% calc(100% - var(--contact-cut)),
    calc(100% - var(--contact-cut)) 100%,
    0 100%,
    0 var(--contact-cut)
  );
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
  filter: saturate(1.15);
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    radial-gradient(120% 90% at 8% 0%, rgba(255, 107, 44, 0.28), transparent 58%),
    radial-gradient(90% 80% at 96% 90%, rgba(49, 242, 197, 0.18), transparent 60%),
    linear-gradient(160deg, rgba(6, 26, 43, 0.82) 0%, rgba(6, 26, 43, 0.94) 72%);
}

.page-contact .contact-hero__inner {
  position: relative;
  padding: 2rem 1.15rem 2.1rem;
}

.page-contact .eyebrow {
  display: inline-block;
  margin: 0 0 0.75rem;
  padding: 0.25rem 0.6rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange-soft);
  background: rgba(255, 107, 44, 0.12);
  box-shadow: inset 0 0 0 1px rgba(255, 107, 44, 0.42);
}

.page-contact h1 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.75rem, 7.4vw, 3.25rem);
  line-height: 1.14;
  letter-spacing: 0.01em;
  color: var(--paper-ink);
  max-width: 20ch;
}

.page-contact .contact-hero__lead {
  margin: 0 0 1.5rem;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-hero__meta {
  list-style: none;
  margin: 0 0 1.75rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-contact .contact-hero__meta li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.55rem 0.75rem;
  background: rgba(12, 39, 64, 0.66);
  box-shadow: inset 0 0 0 1px var(--line);
  border-left: 2px solid var(--orange);
}

.page-contact .contact-hero__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
}

.page-contact .contact-hero__val {
  font-size: 14px;
  color: var(--paper-ink);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

/* ---------- 区块通用 ---------- */
.page-contact .contact-block {
  margin-top: 3rem;
}

.page-contact .section-head {
  display: grid;
  gap: 0.6rem;
  margin-bottom: 1.4rem;
}

.page-contact .section-head h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.35rem, 4.6vw, 2rem);
  line-height: 1.24;
  color: var(--paper-ink);
}

.page-contact .contact-block__aside {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
  max-width: 40ch;
}

/* ---------- 联系卡 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-contact .channel-card {
  position: relative;
  padding: 1.35rem 1.15rem 1.5rem;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: transform var(--ease), box-shadow var(--ease);
  clip-path: polygon(
    var(--contact-cut) 0,
    100% 0,
    100% 100%,
    0 100%,
    0 var(--contact-cut)
  );
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 3px;
  height: 46%;
  background: var(--line);
  transition: background var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px var(--mint);
}

.page-contact .channel-card:hover::before {
  background: var(--mint);
}

.page-contact .channel-card--mail {
  background:
    linear-gradient(148deg, rgba(255, 107, 44, 0.24) 0%, rgba(49, 242, 197, 0.1) 62%, transparent 100%),
    var(--panel);
}

.page-contact .channel-card--mail::before {
  background: var(--orange);
  height: 62%;
}

.page-contact .channel-card__label {
  display: block;
  margin-bottom: 0.7rem;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--muted);
}

.page-contact .channel-card__value {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 4vw, 1.2rem);
  line-height: 1.4;
  letter-spacing: 0.01em;
  color: var(--paper-ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 1rem;
  letter-spacing: 0.02em;
}

.page-contact .channel-card__text {
  margin: 0 0 1rem;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 反馈准备 ---------- */
.page-contact .feedback-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  align-items: start;
}

.page-contact .feedback-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1.15rem;
}

.page-contact .step {
  position: relative;
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  gap: 0.95rem;
}

.page-contact .step:not(:last-child)::after {
  content: "";
  position: absolute;
  left: 1.2rem;
  top: 2.6rem;
  bottom: -0.55rem;
  width: 1px;
  background: linear-gradient(180deg, var(--orange) 0%, var(--line) 100%);
}

.page-contact .step__num {
  position: relative;
  z-index: 1;
  display: grid;
  place-items: center;
  width: 2.4rem;
  height: 2.4rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--orange-soft);
  background: rgba(255, 107, 44, 0.14);
  box-shadow: inset 0 0 0 1px var(--orange);
  border-radius: 50%;
}

.page-contact .step__body h3 {
  margin: 0.35rem 0 0.4rem;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.03em;
  color: var(--paper-ink);
}

.page-contact .step__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .contact-figure {
  margin: 0;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  clip-path: polygon(
    0 0,
    100% 0,
    calc(100% - var(--contact-cut)) 100%,
    0 100%
  );
}

.page-contact .contact-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  background: linear-gradient(140deg, rgba(255, 107, 44, 0.22), rgba(49, 242, 197, 0.16));
}

.page-contact .media__caption {
  display: block;
  padding: 0.8rem 1rem 1rem;
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 高峰期 ---------- */
.page-contact .peak-panel {
  position: relative;
  display: grid;
  grid-template-columns: 6px minmax(0, 1fr);
  margin-top: 3rem;
  background:
    linear-gradient(120deg, rgba(255, 200, 61, 0.12) 0%, rgba(255, 107, 44, 0.1) 45%, transparent 100%),
    var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  overflow: hidden;
}

.page-contact .peak-panel__mark {
  background: linear-gradient(180deg, var(--amber) 0%, var(--orange) 100%);
}

.page-contact .peak-panel__body {
  padding: 1.5rem 1.15rem 1.7rem;
}

.page-contact .peak-panel h2 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 4.4vw, 1.85rem);
  line-height: 1.26;
  color: var(--paper-ink);
}

.page-contact .peak-panel p {
  margin: 0 0 1rem;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-contact .peak-panel__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.65rem;
  margin-bottom: 0 !important;
}

/* ---------- 合作 ---------- */
.page-contact .coop-tabs {
  list-style: none;
  display: flex;
  gap: 0.55rem;
  margin: 0 0 1.2rem;
  padding: 0 0 0.35rem;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .coop-tab {
  display: inline-block;
  white-space: nowrap;
  padding: 0.45rem 0.85rem;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--paper-ink);
  text-decoration: none;
  background: rgba(12, 39, 64, 0.9);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: color var(--ease), box-shadow var(--ease), background var(--ease);
}

.page-contact .coop-tab:hover,
.page-contact .coop-tab:focus-visible {
  color: var(--mint);
  background: rgba(49, 242, 197, 0.1);
  box-shadow: inset 0 0 0 1px var(--mint);
}

.page-contact .coop-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1rem;
}

.page-contact .coop-card {
  padding: 1.3rem 1.15rem 1.45rem;
  background: var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
  transition: box-shadow var(--ease), transform var(--ease);
}

.page-contact .coop-card:hover {
  transform: translateY(-2px);
  box-shadow: inset 0 0 0 1px var(--mint);
}

.page-contact .coop-card__tag {
  display: inline-block;
  margin-bottom: 0.85rem;
  padding: 0.2rem 0.55rem;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--mint);
  background: rgba(49, 242, 197, 0.12);
  box-shadow: inset 0 0 0 1px rgba(49, 242, 197, 0.38);
}

.page-contact .coop-card h3 {
  margin: 0 0 0.6rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  line-height: 1.34;
  color: var(--paper-ink);
}

.page-contact .coop-card p {
  margin: 0 0 0.85rem;
  font-size: 14px;
  line-height: 1.82;
  color: var(--muted);
}

.page-contact .coop-card .coop-card__start {
  margin: 0;
  padding-top: 0.8rem;
  font-size: 13px;
  line-height: 1.75;
  color: var(--orange-soft);
  border-top: 1px dashed var(--line);
}

/* ---------- 服务范围 ---------- */
.page-contact .scope-list {
  margin: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.9rem;
}

.page-contact .scope-item {
  padding: 1rem 1.1rem;
  background: rgba(12, 39, 64, 0.72);
  border-left: 2px solid var(--line);
  transition: border-color var(--ease);
}

.page-contact .scope-item:hover {
  border-left-color: var(--mint);
}

.page-contact .scope-item dt {
  margin-bottom: 0.45rem;
  font-family: var(--font-ui);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-contact .scope-item dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .scope-item dd a {
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 242, 197, 0.4);
}

.page-contact .scope-item dd a:hover {
  border-bottom-color: var(--mint);
}

.page-contact .scope-foot {
  margin: 1.1rem 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

/* ---------- 更多入口 ---------- */
.page-contact .more-panel {
  margin-top: 3rem;
  padding: 1.4rem 1.15rem 1.5rem;
  background: linear-gradient(135deg, rgba(49, 242, 197, 0.1) 0%, transparent 55%), var(--panel);
  box-shadow: inset 0 0 0 1px var(--line);
}

.page-contact .more-panel h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.1rem, 3.8vw, 1.45rem);
  line-height: 1.3;
  color: var(--paper-ink);
}

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

.page-contact .more-links li {
  position: relative;
  padding-left: 1.1rem;
}

.page-contact .more-links li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 6px;
  height: 6px;
  background: var(--orange);
  transform: rotate(45deg);
}

.page-contact .more-links a {
  display: inline-block;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}

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

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-contact .contact-hero__inner {
    padding: 2.75rem 2.25rem 2.75rem;
  }

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

  .page-contact .section-head {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
  }

  .page-contact .contact-block__aside {
    text-align: right;
    max-width: 30ch;
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.25fr 1fr;
  }

  .page-contact .channel-grid .channel-card--mail {
    grid-column: 1 / -1;
  }

  .page-contact .feedback-layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 2rem;
  }

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

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

  .page-contact .peak-panel {
    grid-template-columns: 8px minmax(0, 1fr);
  }

  .page-contact .peak-panel__body {
    padding: 1.9rem 2rem 2rem;
  }

  .page-contact .more-panel {
    padding: 1.75rem 2rem 1.9rem;
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1080px) {
  .page-contact .contact-hero__inner {
    padding: 3.25rem 3rem 3.25rem;
    max-width: 76%;
  }

  .page-contact h1 {
    font-size: 3.1rem;
  }

  .page-contact .channel-grid {
    grid-template-columns: 1.45fr 1fr 1fr;
    gap: 1.15rem;
  }

  .page-contact .channel-grid .channel-card--mail {
    grid-column: auto;
    grid-row: span 1;
  }

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

  .page-contact .scope-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.25rem;
  }

  .page-contact .contact-block {
    margin-top: 4rem;
  }

  .page-contact .coop-card {
    padding: 1.5rem 1.35rem 1.6rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .coop-card,
  .page-contact .scope-item,
  .page-contact .coop-tab,
  .page-contact .more-links a,
  .page-contact .contact-crumb .breadcrumb__link {
    transition: none;
  }

  .page-contact .channel-card:hover,
  .page-contact .coop-card:hover {
    transform: none;
  }
}