.page-contact {
  --c-line: rgba(243, 236, 224, .16);
  --c-line-soft: rgba(243, 236, 224, .09);
  --c-paper-line: rgba(36, 28, 20, .22);
  background: var(--ink-950);
  color: var(--cream-50);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 5vw, 52px);
  padding: clamp(22px, 4vw, 40px) 0 clamp(30px, 5vw, 58px);
}

@media (min-width: 920px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.4fr) minmax(280px, .72fr);
    align-items: start;
  }
}

.page-contact .hero-lede h1 {
  margin: 14px 0 18px;
  font-size: clamp(34px, 6vw, 68px);
  font-weight: 400;
  line-height: 1.06;
  letter-spacing: -.01em;
  color: var(--cream-50);
}

.page-contact .hero-lede .lede {
  max-width: 46ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .hero-side {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .hero-frame {
  margin: 0;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-900);
}

.page-contact .hero-frame img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 联络清单 ---------- */
.page-contact .contact-list {
  margin-top: 28px;
  border-top: 1px solid var(--c-line);
}

.page-contact .contact-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--c-line);
}

@media (min-width: 640px) {
  .page-contact .contact-row {
    grid-template-columns: 92px minmax(0, 1fr);
    gap: 4px 20px;
    align-items: baseline;
  }
  .page-contact .contact-note {
    grid-column: 2;
  }
}

.page-contact .contact-key {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan-400);
}

.page-contact .contact-val {
  font-family: var(--font-mono);
  font-size: 16px;
  letter-spacing: .04em;
  line-height: 1.7;
  color: var(--cream-50);
  word-break: break-word;
}

.page-contact .contact-note {
  font-size: 13px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: var(--text-dim);
}

/* ---------- 页内跳转 ---------- */
.page-contact .page-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 26px;
  padding-top: 16px;
  border-top: 1px solid var(--c-line-soft);
}

.page-contact .page-jump a {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--text-dim);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .page-jump a:hover,
.page-contact .page-jump a:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-700);
}

/* ---------- 时段摘要带 ---------- */
.page-contact .slice-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  overflow: hidden;
}

@media (min-width: 720px) {
  .page-contact .slice-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .slice-cell {
  background: var(--ink-900);
  padding: 18px 20px 22px;
}

.page-contact .slice-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--ember-500);
}

.page-contact .slice-time {
  margin: 10px 0 6px;
  font-family: var(--font-mono);
  font-size: clamp(19px, 2.4vw, 22px);
  letter-spacing: .06em;
  color: var(--cream-50);
}

.page-contact .slice-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 章节装饰带 ---------- */
.page-contact .contact-rule {
  display: block;
  width: 64px;
  height: 3px;
  border-radius: 2px;
  background: var(--ember-500);
  margin-bottom: 18px;
}

/* ---------- 时段表 ---------- */
.page-contact .shift-figure {
  margin: 26px 0 0;
}

.page-contact .table-scroll {
  margin-top: 24px;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  scrollbar-width: thin;
}

.page-contact .shift-table {
  width: 100%;
  min-width: 680px;
  border-collapse: collapse;
}

.page-contact .shift-table thead th {
  background: var(--cream-100);
  color: var(--brown-900);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .16em;
  text-align: left;
  padding: 12px 16px;
  border-bottom: 1px solid var(--c-paper-line);
  white-space: nowrap;
}

.page-contact .shift-table tbody th,
.page-contact .shift-table tbody td {
  background: var(--ink-900);
  color: var(--cream-50);
  font-size: 15px;
  font-weight: 400;
  line-height: 1.7;
  text-align: left;
  vertical-align: top;
  padding: 16px;
  border-bottom: 1px solid var(--c-line-soft);
  transition: background 180ms var(--ease);
}

.page-contact .shift-table tbody tr:last-child th,
.page-contact .shift-table tbody tr:last-child td {
  border-bottom: 0;
}

.page-contact .shift-table tbody th {
  white-space: nowrap;
  font-size: 16px;
  letter-spacing: .04em;
}

.page-contact .shift-table tbody tr:hover th,
.page-contact .shift-table tbody tr:hover td,
.page-contact .shift-table tbody tr:focus-within th,
.page-contact .shift-table tbody tr:focus-within td {
  background: var(--ink-800);
}

.page-contact .shift-table tbody tr:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
}

.page-contact .shift-time {
  display: block;
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .06em;
}

.page-contact .shift-bar {
  display: block;
  margin-top: 10px;
  height: 4px;
  border-radius: 2px;
  background: var(--c-line-soft);
  overflow: hidden;
}

.page-contact .shift-bar-fill {
  display: block;
  height: 100%;
  border-radius: 2px;
  background: var(--cyan-700);
}

.page-contact .sb-a { width: 25%; }
.page-contact .sb-b { width: 50%; }
.page-contact .sb-c { width: 25%; }

.page-contact .shift-brief {
  display: block;
  color: var(--text-dim);
}

.page-contact .shift-catch {
  display: block;
  max-height: 0;
  opacity: 0;
  overflow: hidden;
  font-size: 13px;
  line-height: 1.75;
  color: var(--cyan-400);
  transition: max-height 220ms var(--ease), opacity 220ms var(--ease), margin-top 220ms var(--ease);
}

.page-contact .shift-table tbody tr:hover .shift-catch,
.page-contact .shift-table tbody tr:focus-within .shift-catch {
  max-height: 5em;
  opacity: 1;
  margin-top: 8px;
}

.page-contact .shift-foot {
  margin: 16px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 咨询分派选项卡 ---------- */
.page-contact .tabs {
  position: relative;
  margin-top: 26px;
}

.page-contact .tab-input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .tab-list {
  display: flex;
  flex-wrap: wrap;
  gap: 1px;
  background: var(--c-line);
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-contact .tab-label {
  flex: 1 1 auto;
  min-width: 130px;
  padding: 13px 16px;
  background: var(--ink-900);
  color: var(--text-dim);
  font-size: 13px;
  letter-spacing: .1em;
  cursor: pointer;
  transition: background 180ms var(--ease), color 180ms var(--ease), box-shadow 180ms var(--ease);
}

.page-contact .tab-label:hover {
  background: var(--ink-800);
  color: var(--cream-50);
}

.page-contact #tab-rule:checked ~ .tab-list .tab-label[for="tab-rule"],
.page-contact #tab-device:checked ~ .tab-list .tab-label[for="tab-device"],
.page-contact #tab-fix:checked ~ .tab-list .tab-label[for="tab-fix"],
.page-contact #tab-coop:checked ~ .tab-list .tab-label[for="tab-coop"] {
  background: var(--ink-800);
  color: var(--cyan-400);
  box-shadow: inset 0 -2px 0 var(--cyan-400);
}

.page-contact .tab-input:focus-visible ~ .tab-list {
  outline: 2px solid var(--cyan-400);
  outline-offset: 3px;
}

.page-contact .tab-panel {
  display: none;
  padding: 24px 0 0;
}

.page-contact #tab-rule:checked ~ .tab-panels .tab-panel[data-panel="rule"],
.page-contact #tab-device:checked ~ .tab-panels .tab-panel[data-panel="device"],
.page-contact #tab-fix:checked ~ .tab-panels .tab-panel[data-panel="fix"],
.page-contact #tab-coop:checked ~ .tab-panels .tab-panel[data-panel="coop"] {
  display: block;
}

.page-contact .panel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding: 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-sm);
  background: var(--ink-900);
}

@media (min-width: 840px) {
  .page-contact .panel-grid {
    grid-template-columns: minmax(0, 1.45fr) minmax(230px, .75fr);
    gap: 28px;
    align-items: start;
  }
}

.page-contact .panel-grid .prose p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--cream-50);
}

.page-contact .panel-grid .prose p:last-child {
  margin-bottom: 0;
  color: var(--text-dim);
}

.page-contact .panel-meta {
  display: grid;
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-contact .meta-row {
  display: grid;
  grid-template-columns: 72px minmax(0, 1fr);
  gap: 12px;
  padding: 10px 12px;
  background: var(--ink-800);
}

.page-contact .meta-key {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--text-dim);
}

.page-contact .meta-val {
  font-size: 14px;
  line-height: 1.6;
  color: var(--cream-50);
}

.page-contact .meta-val a {
  color: var(--amber-400);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-600);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .meta-val a:hover,
.page-contact .meta-val a:focus-visible {
  color: var(--cream-50);
  border-bottom-color: var(--cream-50);
}

/* ---------- 回复节奏 ---------- */
.page-contact .cadence-prose p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--cream-50);
}

.page-contact .cadence-prose p:last-child {
  margin-bottom: 0;
  color: var(--text-dim);
}

.page-contact .cadence-card {
  padding: 20px 22px 24px;
  border-left: 3px solid var(--amber-400);
}

.page-contact .cadence-card .label {
  color: var(--brown-500);
}

.page-contact .cadence-card .metric {
  margin: 10px 0 6px;
}

.page-contact .cadence-card .metric-value {
  font-family: var(--font-mono);
  font-size: clamp(48px, 7vw, 76px);
  letter-spacing: .04em;
  line-height: 1;
  color: var(--brown-900);
}

.page-contact .cadence-card .metric-note {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--brown-500);
}

.page-contact .aside-rail {
  align-self: start;
}

/* ---------- 引用授权 ---------- */
.page-contact .quote-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--c-line-soft);
  border: 1px solid var(--c-line-soft);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-contact .quote-list > li {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 18px 18px 20px;
  background: var(--ink-900);
  transition: background 180ms var(--ease), transform 160ms var(--ease);
}

.page-contact .quote-list > li:hover,
.page-contact .quote-list > li:focus-within {
  background: var(--ink-800);
  transform: translateX(2px);
}

.page-contact .quote-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--ember-500);
  padding-top: 3px;
}

.page-contact .quote-list h3 {
  margin: 0 0 6px;
  font-size: 17px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--cream-50);
}

.page-contact .quote-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-dim);
}

/* ---------- 备案 ---------- */
.page-contact .filing-sheet {
  margin-top: 24px;
  padding: clamp(20px, 3vw, 32px);
}

.page-contact .filing-list {
  margin: 0;
  display: grid;
  gap: 0;
}

.page-contact .filing-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--c-paper-line);
}

@media (min-width: 620px) {
  .page-contact .filing-row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

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

.page-contact .filing-row dt {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--brown-500);
}

.page-contact .filing-row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.7;
  color: var(--brown-900);
  word-break: break-word;
}

.page-contact .filing-note {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--c-paper-line);
  font-size: 13px;
  line-height: 1.75;
  color: var(--brown-500);
}

.page-contact .filing-note a {
  color: var(--amber-600);
  text-decoration: none;
  border-bottom: 1px solid var(--amber-600);
  transition: color 180ms var(--ease);
}

.page-contact .filing-note a:hover,
.page-contact .filing-note a:focus-visible {
  color: var(--brown-900);
}

/* ---------- 收尾间距 ---------- */
.page-contact .chapter:last-child {
  padding-bottom: clamp(40px, 6vw, 76px);
}

/* ---------- 小屏微调 ---------- */
@media (max-width: 480px) {
  .page-contact .tab-label {
    min-width: 0;
    flex: 1 1 46%;
    text-align: center;
    padding: 12px 8px;
    font-size: 12px;
  }
  .page-contact .quote-list > li {
    grid-template-columns: minmax(0, 1fr);
    gap: 8px;
  }
  .page-contact .slice-cell {
    padding: 16px 16px 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .shift-catch,
  .page-contact .quote-list > li,
  .page-contact .tab-label,
  .page-contact .shift-table tbody th,
  .page-contact .shift-table tbody td,
  .page-contact .page-jump a {
    transition: none;
  }
  .page-contact .quote-list > li:hover,
  .page-contact .quote-list > li:focus-within {
    transform: none;
  }
}