.page-contact {
  --pc-edge: 1px solid var(--line);
  display: block;
  background-color: var(--deep);
  background-image: repeating-linear-gradient(to right, rgba(30, 66, 87, .14) 0 1px, transparent 1px 96px);
  color: var(--silver);
  font-family: var(--font-body);
  padding-bottom: 72px;
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

.page-contact .contact-wrap {
  width: 100%;
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 20px;
}

.page-contact a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 224, 200, .35);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact a:hover {
  color: var(--cyan-soft);
  border-bottom-color: var(--cyan-soft);
}

.page-contact .breadcrumb {
  padding-top: 22px;
  font-size: 13px;
}

.page-contact .breadcrumb-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0 6px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .breadcrumb-item {
  color: var(--mist);
}

.page-contact .breadcrumb-item + .breadcrumb-item::before {
  content: "/";
  margin-right: 6px;
  color: var(--steel);
}

.page-contact .breadcrumb-current {
  color: var(--silver);
}

.page-contact .contact-hero {
  padding: 22px 0 46px;
  border-bottom: var(--pc-edge);
}

.page-contact .eyebrow {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-contact h1 {
  margin: 0 0 22px;
  max-width: 15em;
  font-family: var(--font-display);
  font-size: clamp(30px, 8.2vw, 64px);
  font-weight: 900;
  line-height: 1.03;
  letter-spacing: -.03em;
  color: var(--white);
}

.page-contact .contact-lede {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--silver);
}

.page-contact .contact-block {
  padding: 50px 0;
  border-bottom: var(--pc-edge);
}

.page-contact .contact-block--last {
  border-bottom: 0;
  padding-bottom: 24px;
}

.page-contact .block-head {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: 28px;
  padding-bottom: 16px;
  border-bottom: var(--pc-edge);
}

.page-contact .block-index {
  margin: 0;
  padding: 4px 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1;
  letter-spacing: .16em;
  color: var(--amber);
  border: 1px solid rgba(255, 176, 32, .45);
}

.page-contact .contact-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 4.8vw, 31px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -.015em;
  color: var(--white);
}

/* 联络四格面板 */
.page-contact .channel-board {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  background: var(--hull);
  box-shadow: 0 0 0 1px var(--steel);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .channel-wash {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .32;
  pointer-events: none;
}

.page-contact .channel-cell {
  position: relative;
  z-index: 1;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 30px;
  background: linear-gradient(180deg, rgba(11, 37, 55, .90), rgba(6, 23, 37, .95));
  box-shadow: inset 0 0 0 1px var(--line);
  transition: background 240ms var(--ease), box-shadow 240ms var(--ease);
}

.page-contact .channel-cell:hover,
.page-contact .channel-cell:focus-within {
  background: linear-gradient(180deg, rgba(18, 59, 82, .92), rgba(11, 37, 55, .96));
  box-shadow: inset 0 0 0 1px var(--cyan-soft);
}

.page-contact .channel-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-contact .channel-label::before {
  content: "";
  display: block;
  width: 28px;
  height: 2px;
  margin-bottom: 12px;
  background: var(--amber);
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.2vw, 20px);
  line-height: 1.4;
  letter-spacing: .01em;
  color: var(--cyan-soft);
  overflow-wrap: anywhere;
}

.page-contact .channel-cell--address .channel-value {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.72;
  letter-spacing: 0;
  color: var(--white);
}

.page-contact .channel-note {
  margin: 0;
  margin-top: auto;
  padding-top: 16px;
  font-size: 13px;
  line-height: 1.68;
  color: var(--mist);
}

.page-contact .channel-value .copy-tag {
  display: inline-block;
  padding: 3px 0;
  font-family: inherit;
  font-size: inherit;
  color: inherit;
  cursor: pointer;
  border-bottom: 1px dashed rgba(124, 243, 228, .55);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .channel-value .copy-tag:hover {
  color: var(--white);
  border-bottom-color: var(--white);
}

.page-contact .channel-value .copy-tag[data-copied="true"] {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

/* 事项分流 */
.page-contact .guide-list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--pc-edge);
}

.page-contact .guide-row {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px 16px;
  padding: 20px 0;
  border-bottom: var(--pc-edge);
  transition: background-color 200ms var(--ease);
}

.page-contact .guide-num {
  padding-top: 3px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
  opacity: .72;
}

.page-contact .guide-title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.35;
  color: var(--white);
}

.page-contact .guide-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--mist);
}

.page-contact .guide-target {
  grid-column: 1 / -1;
  margin: 4px 0 0;
  padding-left: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan-soft);
  border-left: 2px solid var(--amber);
}

/* 联系前准备 */
.page-contact .prep-grid {
  display: grid;
  gap: 32px;
}

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

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding-bottom: 18px;
  border-bottom: var(--pc-edge);
}

.page-contact .prep-item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .prep-mark {
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-contact .prep-text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .prep-text strong {
  font-weight: 700;
  color: var(--white);
}

.page-contact .prep-aside {
  padding: 24px 20px 26px;
  background: var(--hull);
  box-shadow: inset 0 0 0 1px var(--steel), inset 3px 0 0 0 var(--cyan);
}

.page-contact .prep-aside-kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-contact .prep-aside-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--mist);
}

/* 合作流程 */
.page-contact .flow {
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow-node {
  padding: 24px 20px 26px;
  background: var(--hull);
  box-shadow: inset 0 0 0 1px var(--steel);
  transition: background-color 220ms var(--ease), box-shadow 220ms var(--ease);
}

.page-contact .flow-node:hover,
.page-contact .flow-node:focus-within {
  background: var(--steel);
  box-shadow: inset 0 0 0 1px var(--cyan);
}

.page-contact .flow-index {
  display: inline-block;
  margin-bottom: 16px;
  padding: 3px 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.4;
  letter-spacing: .14em;
  color: var(--deep);
  background: var(--cyan);
}

.page-contact .flow-title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 19px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--white);
}

.page-contact .flow-text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--silver);
}

.page-contact .flow-more {
  padding-top: 14px;
  border-top: 1px dashed rgba(122, 143, 160, .45);
  opacity: .78;
  transition: opacity 220ms var(--ease);
}

.page-contact .flow-node:hover .flow-more,
.page-contact .flow-node:focus-within .flow-more {
  opacity: 1;
}

.page-contact .flow-more-title {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--cyan-soft);
}

.page-contact .flow-more-list {
  margin: 0;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* 来访与地址 */
.page-contact .visit-grid {
  display: grid;
  gap: 28px;
}

.page-contact .visit-copy p {
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.88;
  color: var(--silver);
}

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

.page-contact .visit-figure {
  margin: 0;
}

.page-contact .visit-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 8 / 3;
  object-fit: cover;
  box-shadow: inset 0 0 0 1px var(--steel);
  border: 1px solid var(--steel);
}

.page-contact .visit-figure figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
}

/* 备案与主体信息 */
.page-contact .registry {
  margin: 0;
  border-top: var(--pc-edge);
}

.page-contact .registry-row {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-bottom: var(--pc-edge);
}

.page-contact .registry dt {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--mist);
}

.page-contact .registry dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--white);
  overflow-wrap: anywhere;
}

.page-contact .registry dd.mono {
  font-family: var(--font-mono);
  letter-spacing: .04em;
  color: var(--cyan-soft);
}

.page-contact .registry-note {
  margin: 24px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 720px) {
  .page-contact .contact-wrap {
    padding-inline: 28px;
  }

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

  .page-contact .registry-row {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-block {
    padding: 62px 0;
  }

  .page-contact .guide-row {
    grid-template-columns: 52px minmax(0, 1fr) 190px;
    align-items: baseline;
    gap: 0 26px;
    padding: 22px 12px 22px 4px;
  }

  .page-contact .guide-row:hover {
    background: rgba(18, 59, 82, .38);
  }

  .page-contact .guide-target {
    grid-column: auto;
    margin: 0;
    text-align: right;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    gap: 48px;
    align-items: start;
  }

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

  .page-contact .flow-node + .flow-node {
    border-left: 1px solid var(--steel);
  }

  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 1fr);
    gap: 44px;
    align-items: center;
  }
}

@media (min-width: 1060px) {
  .page-contact .contact-wrap {
    padding-inline: 32px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }
}