.page-contact {
  --contact-purple: #6a0dad;
  --contact-green: #39ff14;
  --contact-orange: #ff4500;
  --contact-blue: #00bfff;
  --contact-yellow: #ffd700;
  --contact-panel: rgba(43, 43, 58, 0.92);
  --contact-line: #3a3a50;
  --contact-ink: #e0e0e0;
  --contact-ink-dim: #9a9ab0;
  --contact-ink-on-color: #1a1a2e;
}

.page-contact {
  background: var(--bg-base);
  color: var(--ink);
  font-family: var(--font-body);
  line-height: 1.6;
}

.page-contact .page-container {
  max-width: var(--container);
  margin: 0 auto;
  padding: 0 var(--space-2);
}

/* 首屏横幅 */
.page-contact .contact-hero {
  padding: var(--space-3) 0 var(--space-3);
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-contact .contact-crumb {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  list-style: none;
  margin: 0 0 12px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--ink-dim);
}

.page-contact .contact-crumb a {
  color: var(--accent-key);
  text-decoration: none;
}

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

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3.4vw, 2.6rem);
  font-weight: 700;
  margin: 0 0 12px;
  line-height: 1.2;
  color: var(--ink);
  letter-spacing: 0.02em;
  max-width: 900px;
}

.page-contact .contact-hero-desc {
  font-size: clamp(0.95rem, 1.4vw, 1.1rem);
  color: var(--ink-dim);
  margin: 0 0 var(--space-3);
  max-width: 720px;
}

.page-contact .contact-coords {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: var(--space-2);
}

.page-contact .coord-cell {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  padding: 4px 10px;
  background: var(--bg-panel);
}

/* 通用区块 */
.page-contact .section-band {
  padding: var(--space-4) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .section-band.zone-soft {
  background: var(--bg-soft);
  color: var(--ink-on-color);
  margin-top: var(--space-3);
}

.page-contact .section-band.zone-purple {
  background: var(--zone-purple);
  color: #fff;
  margin-top: var(--space-3);
}

.page-contact .section-band.zone-purple .sec-label {
  color: rgba(255, 255, 255, 0.6);
  border-color: rgba(255, 255, 255, 0.35);
}

.page-contact .section-band.zone-purple h2 {
  color: #fff;
}

.page-contact .section-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin-bottom: var(--space-3);
}

.page-contact .section-head-light .sec-label,
.page-contact .section-head-light h2 {
  color: #fff;
}

.page-contact .sec-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--ink-dim);
  border: 1px solid var(--line);
  padding: 3px 8px;
  white-space: nowrap;
}

.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 2.2vw, 1.8rem);
  margin: 0;
  font-weight: 700;
}

/* 联系方式卡组 */
.page-contact .contact-card-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
}

.page-contact .contact-card {
  background: var(--bg-panel);
  border: 1px solid var(--line);
  padding: var(--space-3);
  position: relative;
  display: flex;
  flex-direction: column;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.page-contact .zone-soft .contact-card {
  background: var(--bg-panel);
}

.page-contact .contact-card:hover {
  transform: translateY(-4px);
  border-color: var(--line-bright);
  box-shadow: 5px 5px 0 rgba(0, 0, 0, 0.25);
}

.page-contact .contact-card-icon {
  width: 80px;
  height: 80px;
  object-fit: cover;
  margin-bottom: var(--space-2);
  border: 1px solid var(--line);
  background: var(--bg-lift);
}

.page-contact .contact-card-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--ink-dim);
  margin-bottom: 4px;
}

.page-contact .contact-card h3 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  margin: 0 0 8px;
  color: var(--ink);
}

.page-contact .contact-card p {
  font-size: 0.9rem;
  color: var(--ink-dim);
  margin: 0 0 12px;
  flex-grow: 1;
}

.page-contact .contact-card-link {
  font-family: var(--font-mono);
  font-size: 0.95rem;
  color: var(--accent-key);
  text-decoration: none;
  word-break: break-all;
  border-bottom: 1px dashed rgba(255, 215, 0, 0.4);
  padding-bottom: 2px;
  align-self: flex-start;
}

.page-contact .contact-card-link:hover {
  border-bottom-style: solid;
}

.page-contact .contact-card-mail {
  border-top: 4px solid var(--zone-purple);
}

.page-contact .contact-card-mail .contact-card-link {
  color: #b56bff;
  border-color: rgba(181, 107, 255, 0.4);
}

.page-contact .contact-card-phone {
  border-top: 4px solid var(--zone-green);
}

.page-contact .contact-card-phone .contact-card-link {
  color: #39ff14;
  border-color: rgba(57, 255, 20, 0.4);
}

.page-contact .contact-card-address {
  border-top: 4px solid var(--zone-blue);
}

.page-contact .contact-address-meta {
  font-size: 0.82rem;
  color: var(--ink-dim);
  border-left: 3px solid var(--zone-blue);
  padding-left: 10px;
}

/* 反馈处理时效 */
.page-contact .contact-timeline-wrap {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-3);
  background: rgba(0, 0, 0, 0.18);
  padding: var(--space-3);
  border: 1px solid rgba(255, 255, 255, 0.12);
}

.page-contact .timeline-points {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-contact .timeline-point {
  background: rgba(255, 255, 255, 0.06);
  padding: var(--space-2);
  border-left: 4px solid var(--zone-green);
}

.page-contact .timeline-point:nth-child(2) {
  border-left-color: var(--zone-blue);
}

.page-contact .timeline-point:nth-child(3) {
  border-left-color: var(--zone-orange);
}

.page-contact .timeline-idx {
  font-family: var(--font-mono);
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  letter-spacing: 0.1em;
}

.page-contact .timeline-point h3 {
  font-family: var(--font-display);
  font-size: 1.05rem;
  margin: 4px 0 4px;
  color: #fff;
}

.page-contact .timeline-point p {
  font-size: 0.9rem;
  color: rgba(255, 255, 255, 0.75);
  margin: 0;
}

.page-contact .timeline-meter {
  background: rgba(0, 0, 0, 0.25);
  padding: var(--space-2);
  border: 1px solid rgba(255, 255, 255, 0.1);
}

.page-contact .timeline-meter-head {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 0.88rem;
  color: #fff;
  margin-bottom: 12px;
}

.page-contact .timeline-meter-value {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--zone-green);
}

.page-contact .timeline-meter .meter-bar {
  height: 14px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.18);
  padding: 2px;
  margin-bottom: 12px;
}

.page-contact .timeline-meter .meter-fill {
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--zone-green), var(--zone-blue));
  font-family: var(--font-mono);
  font-size: 10px;
  line-height: 14px;
  padding-left: 6px;
  color: var(--ink-on-color);
  font-weight: 700;
  letter-spacing: 0.08em;
}

.page-contact .timeline-note {
  font-size: 0.85rem;
  color: rgba(255, 255, 255, 0.72);
  margin: 0;
}

.page-contact .contact-timeline-visual img {
  width: 100%;
  max-width: 300px;
  height: auto;
  object-fit: cover;
  border: 1px solid rgba(255, 255, 255, 0.15);
  background: rgba(255, 255, 255, 0.04);
}

/* 反馈渠道说明 */
.page-contact .contact-channels-band {
  background: var(--bg-base);
}

.page-contact .contact-channel-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-2);
}

.page-contact .contact-channel-row {
  display: grid;
  grid-template-columns: 40px 1fr;
  grid-template-areas:
    "id name"
    "id desc"
    "id tags";
  gap: 4px 12px;
  background: var(--bg-panel);
  border: 1px solid var(--line);
  border-left: 4px solid var(--line);
  padding: var(--space-2);
  align-items: start;
  transition: border-color var(--transition), background var(--transition);
}

.page-contact .contact-channel-row[data-zone="purple"] {
  border-left-color: var(--zone-purple);
}

.page-contact .contact-channel-row[data-zone="green"] {
  border-left-color: var(--zone-green);
}

.page-contact .contact-channel-row[data-zone="orange"] {
  border-left-color: var(--zone-orange);
}

.page-contact .contact-channel-row[data-zone="blue"] {
  border-left-color: var(--zone-blue);
}

.page-contact .contact-channel-row:hover {
  background: var(--bg-lift);
  border-color: var(--line-bright);
}

.page-contact .contact-channel-row .id-marker {
  grid-area: id;
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--accent-key);
  line-height: 1;
  padding-top: 4px;
}

.page-contact .channel-name {
  grid-area: name;
  font-family: var(--font-display);
  font-size: 1rem;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .contact-channel-row p {
  grid-area: desc;
  font-size: 0.88rem;
  color: var(--ink-dim);
  margin: 0;
  line-height: 1.55;
}

.page-contact .contact-channel-row a {
  color: var(--accent-key);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .contact-channel-row .tag-set {
  grid-area: tags;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 4px;
}

.page-contact .tag-item {
  font-family: var(--font-mono);
  font-size: 11px;
  padding: 2px 8px;
  border: 1px solid var(--line);
  color: var(--ink);
  background: rgba(255, 255, 255, 0.04);
  letter-spacing: 0.06em;
}

.page-contact .tag-item[data-tag="v3"] {
  color: var(--zone-purple);
  border-color: rgba(106, 13, 173, 0.45);
}

.page-contact .tag-item[data-tag="v2"] {
  color: var(--zone-blue);
  border-color: rgba(0, 191, 255, 0.45);
}

.page-contact .tag-item[data-tag="android"] {
  color: var(--zone-green);
  border-color: rgba(57, 255, 20, 0.45);
}

.page-contact .tag-item[data-tag="ios"] {
  color: var(--ink);
  border-color: var(--line-bright);
}

.page-contact .tag-item[data-tag="fix"] {
  color: var(--zone-orange);
  border-color: rgba(255, 69, 0, 0.45);
}

/* 站点核心导航 */
.page-contact .contact-index-band {
  background: var(--bg-base);
}

.page-contact .contact-index-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-contact .function-tile {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: var(--space-2);
  border: 1px solid rgba(255, 255, 255, 0.12);
  text-decoration: none;
  color: #fff;
  transition: transform var(--transition), box-shadow var(--transition), filter var(--transition);
}

.page-contact .function-tile:hover,
.page-contact .function-tile:focus-visible {
  transform: translateY(-3px);
  box-shadow: 4px 4px 0 rgba(0, 0, 0, 0.35);
  filter: saturate(1.15);
  outline: none;
}

.page-contact .function-tile.zone-blue {
  background: var(--zone-blue);
}

.page-contact .function-tile.zone-purple {
  background: var(--zone-purple);
}

.page-contact .function-tile.zone-orange {
  background: var(--zone-orange);
}

.page-contact .function-tile.zone-green {
  background: var(--zone-green);
}

.page-contact .function-tile.zone-green .tile-title,
.page-contact .function-tile.zone-green .tile-desc {
  color: var(--ink-on-color);
}

.page-contact .function-tile.zone-orange .tile-title,
.page-contact .function-tile.zone-orange .tile-desc {
  color: var(--ink-on-color);
}

.page-contact .tile-num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  opacity: 0.7;
  color: #fff;
}

.page-contact .zone-green .tile-num,
.page-contact .zone-orange .tile-num {
  color: var(--ink-on-color);
  opacity: 0.7;
}

.page-contact .tile-title {
  font-family: var(--font-display);
  font-size: 1.35rem;
  font-weight: 700;
  line-height: 1.2;
  color: #fff;
}

.page-contact .tile-desc {
  font-size: 0.8rem;
  opacity: 0.85;
  color: #fff;
}

/* 动效 */
.page-contact [data-reveal] {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: no-preference) {
  .page-contact [data-reveal] {
    opacity: 0;
    transform: translateY(14px);
    transition: opacity 0.5s ease var(--reveal-delay, 0ms), transform 0.5s ease var(--reveal-delay, 0ms);
  }

  .page-contact [data-reveal][data-revealed] {
    opacity: 1;
    transform: none;
  }

  .page-contact .contact-card:hover {
    transform: translateY(-4px);
  }
}

/* 中屏 */
@media (min-width: 640px) {
  .page-contact .contact-card-grid {
    grid-template-columns: repeat(2, 1fr);
  }

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

  .page-contact .contact-index-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .timeline-points {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .contact-timeline-wrap {
    grid-template-columns: 1fr 220px;
  }
}

/* 桌面 */
@media (min-width: 960px) {
  .page-contact .page-container {
    padding: 0 var(--space-3);
  }

  .page-contact .contact-hero {
    padding: var(--space-5) 0 var(--space-4);
  }

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

  .page-contact .contact-card-address {
    grid-column: auto;
  }

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

  .page-contact .contact-channel-row {
    grid-template-columns: 56px minmax(220px, 0.8fr) 1.4fr auto;
    grid-template-areas: "id name desc tags";
    align-items: center;
    padding: var(--space-2) var(--space-3);
  }

  .page-contact .contact-channel-row p {
    margin: 0;
  }

  .page-contact .contact-channel-row .tag-set {
    margin-top: 0;
    justify-content: flex-end;
  }

  .page-contact .timeline-wrap {
    grid-template-columns: 1fr 260px;
  }
}

/* 防止横向溢出 */
.page-contact {
  overflow-x: hidden;
}

.page-contact img {
  max-width: 100%;
  height: auto;
}

.page-contact {
  --reveal-delay: 0.3s;
}