.page-contact {
  --contact-route-line: #2a356b;
  position: relative;
  background: var(--bg-deep);
}

/* ===== Hero 首屏 ===== */
.page-contact .contact-hero {
  position: relative;
  padding: calc(var(--header-h) + 40px) 0 56px;
  background:
    radial-gradient(ellipse at 12% 20%, rgba(0, 255, 157, 0.08), transparent 42%),
    radial-gradient(ellipse at 88% 82%, rgba(255, 106, 0, 0.07), transparent 36%),
    var(--bg-deep);
}

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

.page-contact .contact-hero-grid {
  display: grid;
  gap: 32px;
  margin-top: 48px;
  align-items: center;
}

.page-contact .contact-hero-txt {
  position: relative;
}

.page-contact .contact-hero-txt .page-title {
  margin: 10px 0 18px;
}

.page-contact .contact-hero-txt .page-lead {
  max-width: 560px;
  margin-bottom: 24px;
  color: var(--ink-sub);
  font-size: 17px;
  line-height: 1.8;
}

.page-contact .contact-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0 0 28px;
  padding: 0;
}

.page-contact .contact-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--data-green);
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  padding: 6px 14px;
  line-height: 1.5;
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.page-contact .contact-hero-media {
  position: relative;
  display: flex;
  align-items: flex-end;
}

.page-contact .contact-hero-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 800 / 700;
  object-fit: cover;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line-soft);
  box-shadow: 0 24px 60px rgba(0, 0, 0, 0.35);
}

.page-contact .contact-hero-gridline {
  position: absolute;
  width: 80px;
  height: 2px;
  background: linear-gradient(90deg, var(--signal-green), transparent);
  opacity: 0.6;
  pointer-events: none;
}

.page-contact .hero-line-a {
  top: 10%;
  left: -8px;
}

.page-contact .hero-line-b {
  bottom: 12%;
  right: 0;
  width: 120px;
  background: linear-gradient(270deg, var(--signal-orange), transparent);
}

/* ===== 官方联络方式：地图图例布局 ===== */
.page-contact .contact-channels {
  position: relative;
  padding: 72px 0;
  background: var(--bg-overlay);
}

.page-contact .contact-channels::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--signal-green) 0%, var(--bg-overlay) 45%, var(--signal-orange) 100%);
}

.page-contact .contact-section-head {
  margin-bottom: 28px;
}

.page-contact .contact-section-head .section-title {
  margin: 8px 0 0;
  position: relative;
  display: inline-block;
  padding-bottom: 8px;
}

.page-contact .contact-section-head .section-title::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 42px;
  height: 3px;
  background: var(--signal-green);
}

.page-contact .contact-section-lead {
  margin: 14px 0 0;
  max-width: 560px;
  color: var(--ink-sub);
  font-size: 15px;
  line-height: 1.75;
}

.page-contact .contact-map-layout {
  display: grid;
  gap: 24px;
}

.page-contact .contact-legend {
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  padding: 24px;
  align-self: start;
}

.page-contact .contact-legend-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}

.page-contact .contact-legend-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .contact-legend-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-contact .legend-dot {
  flex-shrink: 0;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-top: 5px;
}

.page-contact .legend-dot-mail {
  background: var(--signal-green);
  box-shadow: 0 0 10px rgba(0, 255, 157, 0.4);
}

.page-contact .legend-dot-phone {
  background: var(--signal-orange);
  box-shadow: 0 0 10px rgba(255, 106, 0, 0.4);
}

.page-contact .legend-dot-address {
  background: var(--hint-orange);
  box-shadow: 0 0 10px rgba(255, 181, 71, 0.4);
}

.page-contact .legend-text {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-contact .legend-id {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--ink-faint);
  letter-spacing: 0.08em;
}

.page-contact .legend-name {
  font-size: 15px;
  font-weight: 600;
  color: var(--ink-main);
}

.page-contact .legend-desc {
  font-size: 13px;
  color: var(--ink-sub);
}

.page-contact .contact-legend-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-soft);
  font-size: 13px;
  color: var(--ink-faint);
  line-height: 1.6;
}

.page-contact .contact-map-canvas {
  position: relative;
  min-height: auto;
  background-color: var(--bg-overlay);
  background-image: radial-gradient(circle, rgba(0, 255, 157, 0.1) 1px, transparent 1.2px);
  background-size: 26px 26px;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
  padding: clamp(16px, 3vw, 28px);
}

.page-contact .contact-route-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
  z-index: 0;
}

.page-contact .contact-route-main {
  fill: none;
  stroke: var(--contact-route-line);
  stroke-width: 1.5;
  stroke-dasharray: 2 6;
  stroke-linecap: round;
}

.page-contact .route-origin-ring {
  fill: none;
  stroke: var(--signal-orange);
  stroke-width: 2;
}

.page-contact .route-origin-core {
  fill: var(--signal-green);
}

.page-contact .route-endpoints circle {
  fill: none;
  stroke: var(--signal-green);
  stroke-width: 2;
}

.page-contact .contact-map-coord {
  position: absolute;
  top: 14px;
  left: 18px;
  z-index: 2;
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--ink-faint);
  pointer-events: none;
}

.page-contact .contact-node {
  position: relative;
  z-index: 1;
  width: 100%;
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--signal-green);
  border-radius: var(--radius-md);
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.22);
  padding: 18px 20px;
  margin-bottom: 14px;
  transition: border-color 0.25s var(--ease), box-shadow 0.25s var(--ease), transform 0.25s var(--ease);
}

.page-contact .contact-node:hover {
  border-color: var(--signal-green);
  border-left-color: var(--signal-orange);
  box-shadow: 0 0 0 1px var(--signal-green), 0 16px 40px rgba(0, 255, 157, 0.14);
  transform: translateY(-2px);
}

.page-contact .node-status {
  position: absolute;
  top: 16px;
  right: 16px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--signal-green);
  box-shadow: 0 0 10px rgba(0, 255, 157, 0.55);
}

.page-contact .node-phone .node-status {
  background: var(--signal-orange);
  box-shadow: 0 0 10px rgba(255, 106, 0, 0.55);
}

.page-contact .node-address .node-status {
  background: var(--ink-faint);
  box-shadow: none;
}

.page-contact .node-label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-faint);
}

.page-contact .node-value {
  margin: 4px 0 6px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--data-green);
  word-break: break-all;
  user-select: all;
  -webkit-user-select: all;
}

.page-contact .node-meta {
  margin: 0;
  font-size: 13px;
  color: var(--ink-sub);
  line-height: 1.5;
}

/* ===== 用途与响应边界 ===== */
.page-contact .contact-boundaries {
  position: relative;
  padding: 72px 0;
  background: var(--bg-deep);
}

.page-contact .contact-boundaries::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 55%;
  height: 100%;
  background: radial-gradient(ellipse at 80% 0%, rgba(0, 255, 157, 0.05), transparent 60%);
  pointer-events: none;
}

.page-contact .boundary-grid {
  position: relative;
  display: grid;
  gap: 20px;
}

.page-contact .boundary-card {
  border-radius: var(--radius-lg);
  padding: 32px;
  background: var(--bg-panel);
}

.page-contact .boundary-accept {
  border-top: 3px solid var(--signal-green);
}

.page-contact .boundary-decline {
  border-top: 3px solid var(--signal-orange);
}

.page-contact .boundary-card h3 {
  margin: 0 0 18px;
  font-size: 18px;
}

.page-contact .boundary-card ul {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-contact .boundary-card li {
  position: relative;
  padding-left: 24px;
  color: var(--ink-sub);
  font-size: 15px;
  line-height: 1.7;
}

.page-contact .boundary-card li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  border-radius: 2px;
  transform: rotate(45deg);
}

.page-contact .boundary-accept li::before {
  background: var(--signal-green);
}

.page-contact .boundary-decline li::before {
  background: var(--signal-orange);
}

.page-contact .boundary-warn {
  margin: 24px 0 0;
  padding: 14px 16px;
  background: rgba(255, 106, 0, 0.08);
  border-left: 3px solid var(--hint-orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  color: var(--ink-main);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .boundary-data {
  margin: 28px 0 0;
  padding: 16px 20px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--data-green);
  background: rgba(0, 255, 157, 0.06);
  border: 1px dashed var(--line-soft);
  border-radius: var(--radius-md);
  line-height: 1.6;
}

/* ===== 工作时间与回复节奏 ===== */
.page-contact .contact-hours {
  position: relative;
  padding: 72px 0;
  background: var(--bg-overlay);
}

.page-contact .contact-hours-grid {
  display: grid;
  gap: 36px;
  align-items: center;
}

.page-contact .contact-hours-txt .contact-section-head {
  margin-bottom: 12px;
}

.page-contact .hours-table {
  margin: 28px 0 0;
  padding: 20px 24px;
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
}

.page-contact .hours-row {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 16px;
  padding: 14px 0;
  border-bottom: 1px dashed var(--line-soft);
}

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

.page-contact .hours-row dt {
  color: var(--ink-main);
  font-weight: 600;
  font-size: 15px;
}

.page-contact .hours-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal-green);
  text-align: right;
}

.page-contact .hours-note {
  margin: 20px 0 0;
  color: var(--ink-sub);
  font-size: 14px;
  line-height: 1.7;
}

.page-contact .contact-hours-media {
  position: relative;
  display: grid;
  place-items: start;
}

.page-contact .contact-hours-media::before {
  content: "";
  position: absolute;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  top: -30px;
  right: -20px;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 106, 0, 0.1), transparent 70%);
}

.page-contact .contact-hours-img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 600 / 200;
  object-fit: cover;
  border-radius: var(--radius-md);
  border: 1px solid var(--line-soft);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.3);
}

.page-contact .contact-hours-caption {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-faint);
  letter-spacing: 0.04em;
}

/* ===== 常见联络前准备 ===== */
.page-contact .contact-prep {
  padding: 72px 0;
  background: var(--bg-deep);
}

.page-contact .prep-checklist {
  max-width: 860px;
  margin-top: 36px;
}

.page-contact .prep-item {
  background: var(--bg-panel);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-md);
  margin-bottom: 12px;
  overflow: hidden;
  transition: border-color 0.25s var(--ease);
}

.page-contact .prep-item[open] {
  border-color: var(--line);
}

.page-contact .prep-item summary {
  display: flex;
  align-items: center;
  gap: 18px;
  padding: 18px 22px;
  cursor: pointer;
  list-style: none;
  user-select: none;
}

.page-contact .prep-item summary::-webkit-details-marker {
  display: none;
}

.page-contact .prep-id {
  flex-shrink: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--signal-green);
}

.page-contact .prep-title {
  flex: 1;
  font-size: 16px;
  font-weight: 600;
  color: var(--ink-main);
}

.page-contact .prep-toggle {
  flex-shrink: 0;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  border: 1px solid var(--line);
  border-radius: 50%;
  color: var(--signal-orange);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 500;
  line-height: 1;
  transition: transform 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-contact .prep-item[open] .prep-toggle {
  transform: rotate(45deg);
  border-color: var(--signal-green);
}

.page-contact .prep-content {
  padding: 14px 22px 22px 64px;
  border-top: 1px dashed var(--line-soft);
}

.page-contact .prep-content p {
  margin: 0;
  color: var(--ink-sub);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .prep-notes {
  max-width: 860px;
  margin-top: 28px;
  padding: 16px 20px;
  background: linear-gradient(90deg, rgba(0, 255, 157, 0.06), transparent);
  border-left: 3px solid var(--signal-green);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  display: grid;
  gap: 6px;
}

.page-contact .prep-notes p {
  margin: 0;
  font-size: 14px;
  color: var(--ink-sub);
}

.page-contact .prep-notes a {
  color: var(--data-green);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-contact .prep-notes a:hover {
  color: var(--signal-green);
}

/* ===== 桌面端布局 ===== */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    padding: calc(var(--header-h) + 64px) 0 72px;
  }

  .page-contact .contact-hero-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
    margin-top: 56px;
  }

  .page-contact .contact-hero-media {
    justify-content: flex-end;
  }

  .page-contact .contact-channels,
  .page-contact .contact-boundaries,
  .page-contact .contact-hours,
  .page-contact .contact-prep {
    padding: 84px 0;
  }

  .page-contact .contact-map-layout {
    grid-template-columns: 280px 1fr;
    gap: 28px;
  }

  .page-contact .contact-map-canvas {
    min-height: 460px;
  }

  .page-contact .contact-node {
    position: absolute;
    width: min(380px, 62%);
    margin-bottom: 0;
  }

  .page-contact .node-email {
    top: 26px;
    right: 30px;
  }

  .page-contact .node-phone {
    top: 190px;
    right: 130px;
  }

  .page-contact .node-address {
    bottom: 26px;
    right: 30px;
  }

  .page-contact .contact-map-coord {
    display: block;
  }

  .page-contact .boundary-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }

  .page-contact .contact-hours-grid {
    grid-template-columns: 1.1fr 0.9fr;
    gap: 48px;
  }

  .page-contact .prep-checklist {
    margin-top: 44px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-node,
  .page-contact .boundary-card,
  .page-contact .prep-item,
  .page-contact .prep-toggle {
    transition: none;
  }
}