.page-contact {
  --contact-line: 2px;
  --contact-pad: clamp(18px, 2.6vw, 28px);
}

.page-contact .section-head {
  margin-bottom: clamp(24px, 3vw, 38px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  gap: clamp(22px, 3.4vw, 36px);
  padding-top: clamp(20px, 3vw, 40px);
}

.page-contact .hero-lede h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 5.2vw, 58px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--cream);
  margin: 0 0 16px;
  max-width: 18ch;
}

.page-contact .hero-text {
  font-family: var(--font-body);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--stone);
  max-width: 54ch;
  margin: 0 0 24px;
}

.page-contact .hero-quick {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 状态面板 ---------- */
.page-contact .status-console {
  border: var(--contact-line) solid var(--edge);
  background: linear-gradient(150deg, var(--cyan-16), transparent 58%), var(--panel-2);
  box-shadow: var(--shadow-hard);
  padding: var(--contact-pad);
  display: grid;
  gap: 18px;
  align-content: start;
}

.page-contact .console-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
}

.page-contact .console-title {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--cream);
  margin: 0;
}

.page-contact .console-rows {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--edge-soft);
  border: 1px solid var(--edge-soft);
}

.page-contact .console-rows li {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 11px 14px;
  background: var(--ink-deep);
}

.page-contact .console-rows .field-name {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--stone);
}

.page-contact .console-media {
  border: var(--contact-line) solid var(--edge);
  background: var(--ink-deep);
  overflow: hidden;
}

.page-contact .console-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1000 / 640;
  object-fit: cover;
}

/* ---------- 渠道卡 ---------- */
.page-contact .channel-deck {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}

.page-contact .channel-card {
  position: relative;
  border: var(--contact-line) solid var(--edge);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  padding: var(--contact-pad);
  padding-top: calc(var(--contact-pad) + 8px);
  display: flex;
  flex-direction: column;
  gap: 12px;
  transition: transform 0.18s ease, box-shadow 0.18s ease, border-color 0.18s ease;
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 5px;
  background: var(--cyan);
}

.page-contact .channel-card[data-channel="phone"]::before { background: var(--orange); }
.page-contact .channel-card[data-channel="address"]::before { background: var(--moss); }

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
  border-color: var(--cyan);
}

.page-contact .channel-card .panel-index {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .channel-name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(19px, 2.4vw, 23px);
  color: var(--cream);
  margin: 0;
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: clamp(13px, 3.4vw, 15px);
  line-height: 1.6;
  letter-spacing: 0.02em;
  color: var(--orange);
  word-break: break-word;
  margin: 0;
  padding: 10px 12px;
  background: var(--ink-deep);
  border-left: 3px solid var(--orange);
}

.page-contact .channel-card[data-channel="phone"] .channel-value {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-contact .channel-card[data-channel="address"] .channel-value {
  color: var(--cream);
  border-left-color: var(--moss);
}

.page-contact .channel-note {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
  margin: 0;
  flex: 1;
}

.page-contact .copy-btn {
  align-self: flex-start;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  padding: 9px 14px;
  border: var(--contact-line) solid var(--edge);
  background: var(--ink-deep);
  color: var(--cyan);
  border-radius: var(--radius);
  cursor: pointer;
  transition: border-color 0.18s ease, color 0.18s ease, transform 0.12s ease;
}

.page-contact .copy-btn:hover { border-color: var(--cyan); }
.page-contact .copy-btn:active { transform: translateY(1px); }
.page-contact .copy-btn[data-copied="true"] {
  border-color: var(--moss);
  color: var(--moss);
}

/* ---------- 受理范围与时间轴 ---------- */
.page-contact .contact-scope {
  padding-top: clamp(56px, 8vw, 96px);
}

.page-contact .response-timeline {
  list-style: none;
  margin: 0 0 clamp(28px, 4vw, 48px);
  padding: 0;
  border: var(--contact-line) solid var(--edge);
  background: var(--panel-2);
  box-shadow: var(--shadow-hard);
}

.page-contact .timeline-item {
  display: grid;
  gap: 10px;
  padding: 20px clamp(16px, 3vw, 28px);
  border-bottom: var(--contact-line) solid var(--edge-soft);
}

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

.page-contact .timeline-mark {
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.05em;
  color: var(--orange);
  border-left: 4px solid var(--orange);
  padding-left: 12px;
  white-space: nowrap;
}

.page-contact .timeline-item:nth-child(2) .timeline-mark {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

.page-contact .timeline-item:nth-child(3) .timeline-mark {
  color: var(--moss);
  border-left-color: var(--moss);
}

.page-contact .timeline-body h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(16px, 2vw, 19px);
  line-height: 1.35;
  color: var(--cream);
  margin: 0 0 8px;
}

.page-contact .timeline-body p {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.8;
  color: var(--stone);
  margin: 0;
  max-width: 62ch;
}

/* ---------- 折叠分组 ---------- */
.page-contact .scope-groups {
  display: grid;
  gap: 14px;
}

.page-contact .scope-group {
  border: var(--contact-line) solid var(--edge);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
}

.page-contact .scope-group > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px clamp(16px, 3vw, 24px);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.1vw, 20px);
  color: var(--cream);
}

.page-contact .scope-group > summary::-webkit-details-marker { display: none; }

.page-contact .scope-group > summary::before {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
  width: 24px;
  flex: none;
}

.page-contact .scope-group[open] > summary::before {
  content: "－";
  color: var(--orange);
}

.page-contact .scope-group > summary:hover { color: var(--cyan); }

.page-contact .scope-list {
  list-style: none;
  margin: 0;
  padding: 0 clamp(16px, 3vw, 24px) 18px;
  display: grid;
  gap: 10px;
  border-top: 1px solid var(--edge-soft);
  padding-top: 16px;
}

.page-contact .scope-list li {
  position: relative;
  padding-left: 20px;
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--cyan);
}

/* ---------- 留言板 ---------- */
.page-contact .board-section {
  padding-top: clamp(56px, 8vw, 96px);
}

.page-contact .board-grid {
  display: grid;
  gap: 18px;
}

.page-contact .board-prep {
  border: var(--contact-line) solid var(--edge);
  background: var(--panel-2);
  padding: var(--contact-pad);
}

.page-contact .board-subtitle {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(17px, 2.1vw, 20px);
  color: var(--cream);
  margin: 0 0 16px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--edge-soft);
}

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

.page-contact .prep-list li {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
}

.page-contact .prep-key {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--ink);
  background: var(--cyan);
  padding: 2px 8px;
  margin-right: 8px;
  border-radius: var(--radius);
}

.page-contact .board-preview {
  border: var(--contact-line) solid var(--edge);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  padding: var(--contact-pad);
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .board-static {
  display: grid;
  gap: 1px;
  background: var(--edge-soft);
  border: 1px solid var(--edge-soft);
}

.page-contact .board-row {
  display: grid;
  grid-template-columns: 96px minmax(0, 1fr);
  gap: 12px;
  align-items: center;
  padding: 12px 14px;
  background: var(--ink-deep);
}

.page-contact .board-fill {
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.6;
  color: var(--stone);
  word-break: break-word;
}

.page-contact .board-submit {
  align-self: flex-start;
  cursor: pointer;
}

.page-contact .board-hint {
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--stone);
  margin: 0;
}

.page-contact .board-hint a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-40);
}

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

/* ---------- 常见场景 ---------- */
.page-contact .scene-section {
  padding-top: clamp(56px, 8vw, 96px);
}

.page-contact .scene-grid {
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
}

.page-contact .scene-card {
  border: var(--contact-line) solid var(--edge);
  background: var(--panel-2);
  padding: 20px;
  display: flex;
  flex-direction: column;
  gap: 10px;
  border-left-width: 5px;
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-contact .scene-card:hover {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-contact .scene-card .tag { align-self: flex-start; }

.page-contact .scene-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.4;
  color: var(--cream);
  margin: 0;
}

.page-contact .scene-card p {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--stone);
  margin: 0;
}

/* ---------- 合作与纠错 ---------- */
.page-contact .dual-section {
  padding-top: clamp(56px, 8vw, 96px);
}

.page-contact .dual-grid {
  display: grid;
  gap: 18px;
}

.page-contact .dual-card {
  border: var(--contact-line) solid var(--edge);
  background: var(--panel);
  box-shadow: var(--shadow-hard);
  padding: var(--contact-pad);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .dual-coop {
  background: linear-gradient(150deg, rgba(34, 224, 214, 0.14), transparent 62%), var(--panel);
}

.page-contact .dual-fix {
  background: linear-gradient(150deg, rgba(255, 138, 61, 0.16), transparent 62%), var(--panel);
}

.page-contact .dual-card .panel-index {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .dual-fix .panel-index { color: var(--orange); }

.page-contact .dual-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.2vw, 22px);
  color: var(--cream);
  margin: 0;
}

.page-contact .dual-card p {
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--stone);
  margin: 0;
  flex: 1;
}

.page-contact .dual-card .btn { align-self: flex-start; }

/* ---------- 地区与备案 ---------- */
.page-contact .region-section {
  padding-top: clamp(56px, 8vw, 96px);
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-contact .region-grid {
  display: grid;
  gap: 20px;
  border: var(--contact-line) solid var(--edge);
  background: var(--panel-2);
  box-shadow: var(--shadow-hard);
  padding: var(--contact-pad);
}

.page-contact .region-media {
  border: var(--contact-line) solid var(--edge);
  background: linear-gradient(140deg, var(--cyan-08), transparent 60%), var(--ink-deep);
  overflow: hidden;
}

.page-contact .region-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 900 / 600;
  object-fit: cover;
}

.page-contact .region-facts {
  margin: 0;
  display: grid;
  gap: 0;
  align-content: start;
}

.page-contact .region-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--edge-soft);
}

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

.page-contact .region-row dt {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--stone);
}

.page-contact .region-row dd {
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.7;
  color: var(--cream);
  margin: 0;
  word-break: break-word;
}

.page-contact .region-row dd.is-mono {
  font-family: var(--font-mono);
  color: var(--orange);
  letter-spacing: 0.02em;
}

.page-contact .region-row a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-40);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .channel-deck {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .channel-card[data-channel="address"] {
    grid-column: 1 / -1;
  }
  .page-contact .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .board-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
  }
  .page-contact .dual-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .region-row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: start;
  }
  .page-contact .channel-deck {
    grid-column: 1 / -1;
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .channel-card[data-channel="address"] {
    grid-column: auto;
  }
  .page-contact .timeline-item {
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }
  .page-contact .scope-groups {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    align-items: start;
  }
  .page-contact .scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .region-grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    align-items: start;
  }
}

@media (min-width: 1180px) {
  .page-contact .hero-lede {
    padding-right: 20px;
  }
}