.page-contact {
  --contact-pad: clamp(18px, 4.5vw, 44px);
  --contact-dim: rgba(13, 15, 28, 0.06);
  --contact-shadow: 0 16px 36px -20px rgba(13, 15, 28, 0.25);
  background: var(--color-bg, #F4F6FB);
  color: var(--color-ink, #0D0F1C);
  font-family: var(--font-sans, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif);
  line-height: 1.75;
}

.page-contact__head {
  position: relative;
  padding: 28px var(--contact-pad) 36px;
  border-bottom: 1px solid var(--color-border, #E9EDF5);
  overflow: hidden;
}

.page-contact__head::after {
  content: "";
  position: absolute;
  right: -20px;
  top: -20px;
  width: 150px;
  height: 150px;
  background:
    linear-gradient(135deg, transparent 32%, var(--color-purple, #7C3AED) 32%, var(--color-purple, #7C3AED) 33%, transparent 33%),
    linear-gradient(135deg, transparent 64%, var(--color-neon, #C8F068) 64%, var(--color-neon, #C8F068) 65%, transparent 65%);
  opacity: 0.16;
  pointer-events: none;
  border-radius: var(--radius-lg, 14px);
}

.page-contact__breadcrumbs {
  font-size: 13px;
  margin-bottom: 20px;
}

.page-contact__breadcrumbs a {
  color: var(--color-purple, #7C3AED);
  text-decoration: none;
}

.page-contact__breadcrumbs a:hover {
  text-decoration: underline;
}

.page-contact__head-idx {
  margin: 0 0 8px;
  font-family: var(--font-mono, "SF Mono", "Consolas", monospace);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--color-purple, #7C3AED);
}

.page-contact__head-idx span {
  color: var(--color-muted, #64748B);
  margin-left: 6px;
}

.page-contact__title {
  font-size: clamp(28px, 4.5vw, 46px);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin: 0;
  max-width: 12em;
}

.page-contact__lead {
  margin: 14px 0 0;
  max-width: 58em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--color-muted, #64748B);
}

.page-contact__section-head {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 6px;
  padding: 28px 0 18px;
}

.page-contact__section-idx {
  font-family: var(--font-mono, "SF Mono", "Consolas", monospace);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--color-purple, #7C3AED);
  background: rgba(124, 58, 237, 0.08);
  border-radius: var(--radius-pill, 999px);
  padding: 3px 12px;
}

.page-contact__section-title {
  font-size: 24px;
  font-weight: 800;
  line-height: 1.2;
  margin: 0;
}

.page-contact__section-note {
  font-size: 14px;
  line-height: 1.6;
  color: var(--color-muted, #64748B);
  max-width: 52em;
  margin: 0;
}

.page-contact__section-head--dark .page-contact__section-title {
  color: var(--color-bg, #F4F6FB);
}

.page-contact__section-head--dark .page-contact__section-note {
  color: rgba(244, 246, 251, 0.7);
}

.page-contact__service {
  padding: 8px var(--contact-pad) 28px;
}

.page-contact__board {
  position: relative;
  display: grid;
  gap: 20px;
  background: var(--color-navy, #1E2A5A);
  border-radius: var(--radius-lg, 14px);
  box-shadow: var(--contact-shadow);
  overflow: hidden;
  padding: 20px;
}

.page-contact__board::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, transparent 58%, rgba(124, 58, 237, 0.22) 100%);
  pointer-events: none;
}

.page-contact__board::after {
  content: "";
  position: absolute;
  right: -30px;
  top: 70px;
  width: 190px;
  height: 30px;
  background: repeating-linear-gradient(-45deg, rgba(200, 240, 104, 0.16) 0 8px, transparent 8px 14px);
  transform: rotate(-14deg);
  pointer-events: none;
}

.page-contact__board-figure {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md, 10px);
  background: rgba(255, 255, 255, 0.04);
}

.page-contact__board-body {
  display: flex;
  flex-direction: column;
  gap: 16px;
  position: relative;
  z-index: 1;
}

.page-contact__board-status {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono, "SF Mono", "Consolas", monospace);
  font-size: 12px;
  color: rgba(244, 246, 251, 0.85);
  letter-spacing: 0.03em;
  background: rgba(244, 246, 251, 0.06);
  border-radius: var(--radius-pill, 999px);
  padding: 6px 14px;
  align-self: flex-start;
}

.page-contact__board-items {
  display: grid;
  gap: 14px;
}

.page-contact__board-item {
  display: grid;
  grid-template-columns: auto 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  row-gap: 4px;
  align-items: center;
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(244, 246, 251, 0.1);
  border-radius: var(--radius-md, 10px);
  padding: 16px 18px;
}

.page-contact__board-icon {
  grid-row: 1 / span 2;
  align-self: center;
  width: 38px;
  height: 38px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: var(--radius-sm, 8px);
  background: rgba(124, 58, 237, 0.25);
  color: var(--color-bg, #F4F6FB);
}

.page-contact__board-label {
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: rgba(244, 246, 251, 0.55);
}

.page-contact__board-value {
  font-family: var(--font-mono, "SF Mono", "Consolas", monospace);
  font-size: 15px;
  font-weight: 700;
  color: var(--color-white, #FFFFFF);
  line-height: 1.3;
}

.page-contact__board-time {
  color: var(--color-neon, #C8F068);
}

.page-contact__copyzone {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--font-mono, "SF Mono", "Consolas", monospace);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-white, #FFFFFF);
  background: rgba(200, 240, 104, 0.06);
  border: 1px dashed rgba(200, 240, 104, 0.45);
  border-radius: var(--radius-sm, 8px);
  padding: 8px 12px;
  cursor: pointer;
  transition: background 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1)), border-color 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1));
}

.page-contact__copyzone:hover {
  background: rgba(200, 240, 104, 0.14);
  border-color: var(--color-neon, #C8F068);
}

.page-contact__copyzone:focus-visible {
  outline: 2px solid var(--color-neon, #C8F068);
  outline-offset: 2px;
}

.page-contact__copy-hint {
  font-size: 12px;
  font-weight: 400;
  color: var(--color-neon, #C8F068);
  text-decoration: underline dotted;
  text-underline-offset: 4px;
}

.page-contact__board-link {
  font-family: var(--font-mono, "SF Mono", "Consolas", monospace);
  font-size: 15px;
  font-weight: 700;
  line-height: 1.3;
  color: var(--color-white, #FFFFFF);
  text-decoration-color: currentColor;
  text-decoration-thickness: 1px;
  transition: color 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1));
}

.page-contact__board-link:hover {
  color: var(--color-neon, #C8F068);
}

.page-contact__channels {
  padding: 8px var(--contact-pad) 28px;
}

.page-contact__channel-list {
  display: grid;
  gap: 16px;
}

.page-contact__channel-card {
  position: relative;
  background: var(--color-white, #FFFFFF);
  border: 1px solid var(--color-border, #E9EDF5);
  border-top: 3px solid var(--color-purple, #7C3AED);
  border-radius: var(--radius-md, 10px);
  padding: 24px 22px 22px;
  box-shadow: var(--shadow-card, 0 14px 34px -18px rgba(13, 15, 28, 0.22));
}

.page-contact__channel-card:nth-child(2) {
  border-top-color: var(--color-navy, #1E2A5A);
}

.page-contact__channel-card:nth-child(3) {
  border-top-color: var(--color-neon, #C8F068);
}

.page-contact__channel-index {
  position: absolute;
  right: 16px;
  top: 12px;
  font-family: var(--font-mono, "SF Mono", "Consolas", monospace);
  font-size: 13px;
  font-weight: 800;
  color: rgba(13, 15, 28, 0.12);
}

.page-contact__channel-card h3 {
  font-size: 17px;
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 10px;
}

.page-contact__channel-card p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted, #64748B);
  margin: 0 0 14px;
}

.page-contact__channel-link {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-purple, #7C3AED);
  text-decoration: none;
  border-bottom: 1px dashed rgba(124, 58, 237, 0.4);
  padding-bottom: 2px;
  transition: color 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1)), border-color 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1));
}

.page-contact__channel-link:hover {
  color: var(--color-ink, #0D0F1C);
  border-color: var(--color-ink, #0D0F1C);
}

.page-contact__quick {
  margin: 8px var(--contact-pad) 28px;
  background: var(--color-ink, #0D0F1C);
  border-radius: var(--radius-lg, 14px);
  padding: 18px 22px 26px;
}

.page-contact__quick .page-contact__section-head {
  padding-top: 10px;
}

.page-contact__quick-grid {
  display: grid;
  gap: 14px;
}

.page-contact__quick-item {
  background: rgba(255, 255, 255, 0.05);
  border: 1px solid rgba(244, 246, 251, 0.1);
  border-radius: var(--radius-md, 10px);
  padding: 18px 20px;
}

.page-contact__quick-tag {
  display: inline-block;
  font-family: var(--font-mono, "SF Mono", "Consolas", monospace);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--color-bg, #F4F6FB);
  background: rgba(124, 58, 237, 0.32);
  border-radius: var(--radius-pill, 999px);
  padding: 3px 10px;
}

.page-contact__quick-item h3 {
  font-size: 16px;
  font-weight: 800;
  line-height: 1.4;
  color: var(--color-white, #FFFFFF);
  margin: 10px 0 6px;
}

.page-contact__quick-item p {
  font-size: 14px;
  line-height: 1.65;
  color: rgba(244, 246, 251, 0.72);
  margin: 0 0 12px;
}

.page-contact__quick-item a {
  display: inline-block;
  font-size: 14px;
  font-weight: 700;
  color: var(--color-neon, #C8F068);
  text-decoration: none;
  border-bottom: 1px dashed rgba(200, 240, 104, 0.5);
  padding-bottom: 2px;
  transition: color 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1));
}

.page-contact__quick-item a:hover {
  color: var(--color-white, #FFFFFF);
}

.page-contact__feedback {
  padding: 8px var(--contact-pad) 30px;
}

.page-contact__feedback-card {
  display: grid;
  gap: 18px;
  background: linear-gradient(135deg, rgba(200, 240, 104, 0.16), rgba(124, 58, 237, 0.07));
  border: 1px solid rgba(200, 240, 104, 0.45);
  border-radius: var(--radius-lg, 14px);
  padding: 24px;
  box-shadow: var(--shadow-card, 0 14px 34px -18px rgba(13, 15, 28, 0.22));
}

.page-contact__feedback-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--color-neon, #C8F068);
  border-radius: var(--radius-md, 10px);
  color: var(--color-ink, #0D0F1C);
}

.page-contact__feedback-copy h3 {
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  margin: 0 0 8px;
}

.page-contact__feedback-copy p {
  font-size: 14px;
  line-height: 1.7;
  color: var(--color-muted, #64748B);
  margin: 0;
}

.page-contact__feedback-copy a {
  color: var(--color-purple, #7C3AED);
  font-weight: 700;
  text-decoration: none;
  border-bottom: 1px dashed rgba(124, 58, 237, 0.4);
}

.page-contact__feedback-copy a:hover {
  color: var(--color-ink, #0D0F1C);
}

.page-contact__feedback-action {
  display: inline-block;
  text-align: center;
  font-size: 14px;
  font-weight: 800;
  color: var(--color-white, #FFFFFF);
  background: var(--color-purple, #7C3AED);
  border-radius: var(--radius-pill, 999px);
  padding: 12px 26px;
  text-decoration: none;
  box-shadow: var(--shadow-btn, 0 10px 22px -14px rgba(124, 58, 237, 0.8));
  transition: background 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1)), transform 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1));
}

.page-contact__feedback-action:hover {
  background: var(--color-purple-bright, #8B4AFF);
  transform: translateY(-2px);
}

.page-contact__feedback-action:focus-visible {
  outline: 2px solid var(--color-purple, #7C3AED);
  outline-offset: 3px;
}

.page-contact__address {
  padding: 8px var(--contact-pad) 30px;
}

.page-contact__address-wrap {
  display: grid;
  gap: 20px;
}

.page-contact__address-card {
  background: #EBEDF2;
  border: 1px solid var(--color-border, #E9EDF5);
  border-radius: var(--radius-md, 10px);
  overflow: hidden;
}

.page-contact__address-accordion[data-open="true"] .page-contact__address-detail {
  display: block;
}

.page-contact__address-accordion[data-open="false"] .page-contact__address-detail {
  display: none;
}

.page-contact__address-summary {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 22px;
}

.page-contact__address-label {
  display: block;
  font-family: var(--font-mono, "SF Mono", "Consolas", monospace);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--color-muted, #64748B);
  margin-bottom: 6px;
}

.page-contact__address-summary p {
  font-size: 16px;
  font-weight: 700;
  line-height: 1.45;
  margin: 0;
}

.page-contact__address-toggle {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 800;
  color: var(--color-purple, #7C3AED);
  background: transparent;
  border: 1px solid rgba(13, 15, 28, 0.18);
  border-radius: var(--radius-pill, 999px);
  padding: 7px 16px;
  cursor: pointer;
  white-space: nowrap;
  transition: background 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1)), border-color 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1));
}

.page-contact__address-toggle:hover {
  background: rgba(124, 58, 237, 0.08);
  border-color: var(--color-purple, #7C3AED);
}

.page-contact__address-toggle:focus-visible {
  outline: 2px solid var(--color-purple, #7C3AED);
  outline-offset: 2px;
}

.page-contact__address-detail {
  border-top: 1px solid rgba(13, 15, 28, 0.1);
  padding: 18px 22px 22px;
}

.page-contact__address-detail dl {
  display: grid;
  gap: 14px;
  margin: 0;
}

.page-contact__address-detail dl div {
  display: grid;
  gap: 3px;
}

.page-contact__address-detail dt {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.05em;
  text-transform: uppercase;
  color: var(--color-muted, #64748B);
}

.page-contact__address-detail dd {
  font-size: 14px;
  line-height: 1.6;
  margin: 0;
}

.page-contact__address-figure {
  margin: 0;
  background: var(--color-white, #FFFFFF);
  border: 1px solid var(--color-border, #E9EDF5);
  border-radius: var(--radius-md, 10px);
  overflow: hidden;
}

.page-contact__address-figure img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact__address-figure figcaption {
  padding: 10px 16px 12px;
  font-size: 13px;
  color: var(--color-muted, #64748B);
}

.page-contact__related {
  padding: 8px var(--contact-pad) 44px;
}

.page-contact__related-grid {
  display: grid;
  gap: 12px;
}

.page-contact__related-card {
  display: block;
  background: var(--color-white, #FFFFFF);
  border: 1px solid var(--color-border, #E9EDF5);
  border-radius: var(--radius-md, 10px);
  padding: 18px 20px;
  text-decoration: none;
  box-shadow: var(--shadow-card, 0 14px 34px -18px rgba(13, 15, 28, 0.22));
  transition: border-color 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1)), transform 120ms var(--ease, cubic-bezier(0.2, 0, 0, 1));
}

.page-contact__related-card:hover {
  border-color: var(--color-purple, #7C3AED);
  transform: translateY(-2px);
}

.page-contact__related-card:focus-visible {
  outline: 2px solid var(--color-purple, #7C3AED);
  outline-offset: 2px;
}

.page-contact__related-card span {
  display: block;
  font-size: 15px;
  font-weight: 800;
  color: var(--color-ink, #0D0F1C);
}

.page-contact__related-card small {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--color-muted, #64748B);
}

@media (min-width: 720px) {
  .page-contact__board {
    grid-template-columns: 5fr 7fr;
    align-items: center;
  }

  .page-contact__board-items {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact__board-item--time,
  .page-contact__board-item--mail {
    grid-column: auto;
  }

  .page-contact__channel-list {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-contact__quick-grid {
    grid-template-columns: 1fr 1fr;
    gap: 16px;
  }

  .page-contact__feedback-card {
    grid-template-columns: auto 1fr auto;
    align-items: center;
  }

  .page-contact__address-wrap {
    grid-template-columns: 3fr 2fr;
    align-items: start;
  }

  .page-contact__related-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 14px;
  }
}

@media (min-width: 1080px) {
  .page-contact__board {
    padding: 30px;
    gap: 30px;
  }

  .page-contact__board-items {
    gap: 16px;
  }

  .page-contact__quick {
    padding: 22px 34px 32px;
  }

  .page-contact__channel-card {
    padding: 28px 26px 24px;
  }

  .page-contact__related-card {
    padding: 22px 24px;
  }
}