.page-contact {
  --env-glow: 0 0 46px rgba(255, 51, 92, 0.55);
  --env-scanline: linear-gradient(90deg, transparent 0%, rgba(0, 229, 255, 0.9) 50%, transparent 100%);
  --stamp-bg: rgba(255, 51, 92, 0.13);
  position: relative;
  background:
    radial-gradient(1000px 520px at 88% 4%, rgba(180, 75, 255, 0.16), transparent 60%),
    radial-gradient(760px 440px at 10% 34%, rgba(0, 229, 255, 0.08), transparent 50%);
}

/* 面包屑 */
.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  margin-top: 34px;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.05em;
  color: var(--text-muted);
}
.page-contact .breadcrumb a {
  color: var(--accent-neon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.25s ease, border-color 0.25s ease, background-color 0.25s ease;
}
.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--accent-peach);
  border-bottom-color: var(--accent-peach);
  background: rgba(255, 136, 176, 0.08);
}
.page-contact .breadcrumb-sep { color: var(--text-muted); }
.page-contact .breadcrumb-current { color: var(--text-light); }

/* 首屏 */
.page-contact .contact-hero { padding: 32px 0 44px; position: relative; }
.page-contact .hero-grid { display: grid; gap: 36px; align-items: center; }
.page-contact .hero-copy { position: relative; z-index: 2; }

.page-contact .tag-issue {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--accent-orange);
  border: 1px solid rgba(255, 179, 0, 0.55);
  background: rgba(255, 179, 0, 0.08);
  padding: 5px 10px;
  letter-spacing: 0.04em;
}
.page-contact .tag-dot { color: var(--accent-orange); }

.page-contact h1 {
  font-family: var(--font-display);
  font-size: clamp(32px, 9vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  margin: 22px 0 18px;
  text-transform: uppercase;
  color: var(--text-light);
}
.page-contact .hero-desc {
  font-family: var(--font-body);
  font-size: 17px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 580px;
  margin-bottom: 26px;
}
.page-contact .hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.page-contact .hero-actions .btn { width: 100%; justify-content: center; }

.page-contact .hero-meta {
  display: grid;
  gap: 12px;
  border-left: 3px solid var(--accent-strawberry);
  padding: 4px 0 4px 16px;
  background: linear-gradient(90deg, rgba(255, 51, 92, 0.08), transparent 70%);
}
.page-contact .hero-channel { display: grid; gap: 4px; }
.page-contact .hero-channel-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
}
.page-contact .hero-channel-value {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--text-light);
  word-break: break-all;
}
.page-contact .hero-note {
  margin-top: 26px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  max-width: 520px;
  border-top: 1px dashed var(--line-wine);
  padding-top: 16px;
}

.page-contact .hero-visual {
  position: relative;
  width: 100%;
  aspect-ratio: 4 / 5;
  overflow: hidden;
  background: var(--bg-panel);
  border: 3px solid var(--line-wine);
  box-shadow: var(--shadow-offset);
}
.page-contact .hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.95;
}
.page-contact .hero-envelope {
  position: absolute;
  inset: 0;
  margin: auto;
  width: 72%;
  z-index: 2;
  pointer-events: none;
  filter: drop-shadow(0 0 18px rgba(255, 51, 92, 0.65));
  transition: filter 0.3s ease;
}
.page-contact .hero-visual:hover .hero-envelope,
.page-contact .hero-visual:focus-within .hero-envelope {
  filter: drop-shadow(0 0 28px rgba(0, 229, 255, 0.55)) drop-shadow(0 0 60px rgba(255, 51, 92, 0.4));
}
.page-contact .hero-scanline {
  position: absolute;
  left: 0;
  right: 0;
  top: 48%;
  height: 3px;
  background: var(--env-scanline);
  z-index: 3;
  opacity: 0.9;
  box-shadow: 0 0 14px rgba(0, 229, 255, 0.55);
  pointer-events: none;
}
.page-contact .hero-arrow-a {
  position: absolute;
  right: 8%;
  bottom: 6%;
  font-size: 40px;
  line-height: 1;
  color: var(--accent-electric);
  z-index: 3;
  text-shadow: 0 0 12px var(--accent-electric);
  transform: rotate(-14deg);
  opacity: 0.9;
}
.page-contact .hero-arrow-b {
  position: absolute;
  left: 6%;
  top: 4%;
  font-size: 30px;
  line-height: 1;
  color: var(--accent-neon);
  z-index: 3;
  opacity: 0.5;
  transform: rotate(18deg);
}

/* 章节色带 */
.page-contact .color-band {
  display: flex;
  align-items: center;
  gap: 18px;
  margin: 6px 0 30px;
  padding: 12px 0;
  border-top: 1px solid var(--line-wine);
  border-bottom: 1px solid var(--line-wine);
}
.page-contact .color-band-label {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--accent-orange);
  text-transform: uppercase;
  white-space: nowrap;
}
.page-contact .color-band-line {
  height: 10px;
  flex: 1;
  background: var(--grad-peach);
}

/* 章节标题与竖排注释 */
.page-contact .section-heading-wrap {
  position: relative;
  padding-left: 20px;
  margin-bottom: 18px;
}
.page-contact .section-heading-wrap .annotate-v {
  position: absolute;
  left: 0;
  top: 2px;
  height: 100%;
  max-height: 74px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--text-muted);
  text-transform: uppercase;
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  white-space: nowrap;
}
.page-contact .section-heading { margin-bottom: 0; }
.page-contact .section-lead {
  color: var(--text-muted);
  font-size: 16px;
  line-height: 1.7;
  margin-bottom: 28px;
  max-width: 720px;
}

/* 反馈渠道 */
.page-contact .contact-channels { padding: 36px 0 20px; }
.page-contact .channel-grid { display: grid; gap: 18px; }
.page-contact .channel-card {
  position: relative;
  padding: 28px 24px 42px;
  overflow: hidden;
  display: grid;
  gap: 10px;
  align-content: start;
}
.page-contact .channel-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 6px;
  opacity: 0.85;
}
.page-contact .channel-mail::after { background: var(--grad-peach); }
.page-contact .channel-phone::after { background: linear-gradient(90deg, var(--accent-neon), var(--accent-electric)); }
.page-contact .channel-address::after { background: linear-gradient(90deg, var(--accent-orange), var(--accent-strawberry)); }
.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1.5;
  color: var(--text-light);
  word-break: break-all;
  margin-bottom: 8px;
}
.page-contact .channel-tip {
  display: inline-block;
  width: fit-content;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--accent-electric);
  border: 1px solid rgba(0, 229, 255, 0.4);
  padding: 4px 10px;
  background: rgba(0, 229, 255, 0.06);
}

/* 邮件模板 */
.page-contact .contact-templates { padding: 24px 0 44px; }
.page-contact .template-grid { display: grid; gap: 18px; }
.page-contact .template-card {
  padding: 0;
  overflow: hidden;
  transition: transform 0.25s ease, box-shadow 0.25s ease, border-color 0.25s ease;
}
.page-contact .template-card:hover,
.page-contact .template-card:focus-within {
  transform: translate(-2px, -2px);
  border-color: var(--accent-neon);
}
.page-contact .template-summary {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  cursor: pointer;
  list-style: none;
  padding: 22px 20px;
  user-select: none;
}
.page-contact .template-summary::-webkit-details-marker { display: none; }
.page-contact .template-summary .card-title { margin: 0; }
.page-contact .template-toggle {
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 22px;
  line-height: 1;
  color: var(--accent-peach);
  display: inline-block;
  transition: transform 0.25s ease, color 0.25s ease;
}
.page-contact .template-card[open] .template-toggle {
  transform: rotate(45deg);
  color: var(--accent-electric);
}
.page-contact .template-content {
  padding: 6px 20px 24px;
  border-top: 1px dashed var(--line-wine);
  margin: 0 20px 20px;
  padding-left: 0;
  padding-right: 0;
}
.page-contact .template-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-muted);
  text-transform: uppercase;
  margin: 16px 0 8px;
}
.page-contact .template-code {
  display: block;
  background: rgba(11, 10, 15, 0.72);
  border-left: 3px solid var(--accent-strawberry);
  padding: 12px 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--accent-orange);
  overflow-x: auto;
  white-space: nowrap;
  max-width: 100%;
}
.page-contact .template-body { font-size: 14px; line-height: 1.7; color: var(--text-muted); margin-top: 14px; }
.page-contact .template-body a {
  color: var(--accent-neon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-contact .template-body a:hover {
  color: var(--accent-peach);
  border-bottom-color: var(--accent-peach);
}

/* 响应时间 */
.page-contact .contact-response { padding: 40px 0 24px; }
.page-contact .response-grid { display: grid; gap: 18px; }
.page-contact .response-card { padding: 30px 26px; display: grid; gap: 14px; }
.page-contact .response-num-block { display: flex; align-items: baseline; gap: 12px; }
.page-contact .response-num {
  font-family: var(--font-display);
  font-size: 64px;
  line-height: 0.9;
  color: var(--accent-orange);
  text-shadow: 0 0 18px rgba(255, 179, 0, 0.35);
}
.page-contact .response-unit {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.06em;
  color: var(--text-light);
}
.page-contact .response-note {
  margin-top: 22px;
  border: 1px dashed var(--line-wine);
  padding: 18px 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-muted);
  background: rgba(20, 16, 36, 0.6);
}

/* 常用入口 */
.page-contact .contact-quicklinks { padding: 24px 0 40px; }
.page-contact .quicklinks-panel {
  display: flex;
  flex-direction: column;
  gap: 22px;
  padding: 30px 28px;
  background: var(--grad-night);
  border: 1px solid var(--line-wine);
  border-left: 6px solid var(--accent-electric);
  box-shadow: var(--shadow-offset);
  transition: border-color 0.3s ease;
}
.page-contact .quicklinks-panel:hover { border-color: var(--accent-neon); }
.page-contact .quicklinks-title {
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.3;
  color: var(--text-light);
  margin: 12px 0 10px;
}
.page-contact .quicklinks-actions { display: flex; flex-wrap: wrap; gap: 14px; align-items: center; }
.page-contact .quicklinks-actions .btn { width: 100%; justify-content: center; }

/* 地图与位置 */
.page-contact .contact-map { padding: 0 0 48px; }
.page-contact .map-visual {
  position: relative;
  border: 3px solid var(--line-wine);
  box-shadow: var(--shadow-offset);
  overflow: hidden;
  background: var(--bg-panel);
  min-height: 200px;
}
.page-contact .map-img { width: 100%; height: auto; display: block; }
.page-contact .map-grid-svg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  pointer-events: none;
}
.page-contact .map-anchor {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  width: 72px;
  height: 72px;
  z-index: 4;
  display: grid;
  place-items: center;
  border-radius: 50%;
  outline: none;
}
.page-contact .map-marker-label {
  position: absolute;
  top: -32px;
  left: 50%;
  transform: translateX(-50%);
  white-space: nowrap;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--text-light);
  background: rgba(11, 10, 15, 0.86);
  border: 1px solid var(--accent-strawberry);
  padding: 4px 8px;
  transition: background-color 0.25s ease, border-color 0.25s ease, box-shadow 0.25s ease;
}
.page-contact .map-anchor:hover .map-marker-label,
.page-contact .map-anchor:focus-visible .map-marker-label {
  background: var(--accent-strawberry);
  border-color: var(--accent-strawberry);
  color: var(--text-light);
  box-shadow: 0 0 20px rgba(255, 51, 92, 0.4);
}
.page-contact .map-anchor:focus-visible { outline: 3px solid var(--accent-electric); outline-offset: 4px; }
.page-contact .map-address-panel {
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%);
  z-index: 6;
  display: none;
  width: min(88%, 420px);
  padding: 26px 24px;
  background: rgba(11, 10, 15, 0.95);
  border: 2px solid var(--accent-strawberry);
  box-shadow: 0 0 30px rgba(255, 51, 92, 0.35), var(--shadow-offset);
  text-align: center;
}
.page-contact #map-address:target { display: block; }
.page-contact .map-address-line {
  font-family: var(--font-mono);
  font-size: 18px;
  color: var(--text-light);
  margin: 12px 0 8px;
  word-break: break-all;
}
.page-contact .map-address-note { font-size: 14px; line-height: 1.7; color: var(--text-muted); margin-bottom: 16px; }
.page-contact .map-caption { margin-top: 18px; font-size: 14px; line-height: 1.7; }

/* 备案信息 */
.page-contact .contact-icp { padding: 40px 0 56px; }
.page-contact .icp-layout { display: grid; gap: 36px; align-items: center; }
.page-contact .icp-stamp-wrap { display: flex; justify-content: center; padding: 12px 0; }
.page-contact .icp-stamp {
  width: min(220px, 68vw);
  height: auto;
  transform: rotate(-8deg);
  filter: drop-shadow(0 8px 18px rgba(255, 51, 92, 0.35));
  transition: transform 0.3s ease, filter 0.3s ease;
}
.page-contact .icp-stamp:hover {
  transform: rotate(0deg) scale(1.02);
  filter: drop-shadow(0 0 28px rgba(255, 51, 92, 0.5));
}
.page-contact .icp-ring-text { font-family: var(--font-mono); font-size: 11px; letter-spacing: 2px; }
.page-contact .icp-no-text { font-family: var(--font-display); font-size: 20px; font-weight: 700; }
.page-contact .icp-copy .section-heading { margin-bottom: 14px; }
.page-contact .icp-copy p { color: var(--text-light); line-height: 1.7; }
.page-contact .icp-copy .text-muted { color: var(--text-muted); }
.page-contact .icp-copy a {
  color: var(--accent-neon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-contact .icp-copy a:hover { color: var(--accent-peach); border-bottom-color: var(--accent-peach); }
.page-contact .icp-contact {
  margin-top: 22px;
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--text-light);
  border-top: 1px solid var(--line-wine);
  padding-top: 18px;
  word-break: break-all;
}

/* 移动端优先 · 中等屏补强 */
@media (min-width: 720px) {
  .page-contact .hero-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .page-contact .hero-actions .btn,
  .page-contact .quicklinks-actions .btn { width: auto; }

  .page-contact .channel-grid { grid-template-columns: 1fr 1fr; }
  .page-contact .channel-address { grid-column: 1 / -1; }

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

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

  .page-contact .quicklinks-panel { flex-direction: row; align-items: center; justify-content: space-between; }
  .page-contact .quicklinks-actions { flex-shrink: 0; }

  .page-contact .icp-layout { grid-template-columns: auto 1fr; gap: 48px; }
}

@media (min-width: 1024px) {
  .page-contact .hero-grid { grid-template-columns: minmax(0, 7fr) minmax(0, 5fr); gap: 48px; }
  .page-contact .hero-visual { aspect-ratio: 1 / 1; }

  .page-contact .channel-grid { grid-template-columns: repeat(3, 1fr); }
  .page-contact .channel-address { grid-column: auto; }

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

  .page-contact .section-heading-wrap { padding-left: 26px; }
  .page-contact .section-lead { margin-bottom: 36px; }

  .page-contact .map-layout { padding: 0 10%; }
}