.page-contact {
  --pc-rail: 300px;
  background: var(--field-900);
  color: var(--chalk);
}

.page-contact .section {
  padding-left: 0;
  padding-right: 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(24px, 4vw, 48px);
}

.page-contact .crumbs {
  margin-bottom: clamp(20px, 3vw, 34px);
}

.page-contact .crumbs a {
  color: var(--gray-300);
}

.page-contact .crumbs [aria-current="page"] {
  color: var(--yellow-400);
}

.page-contact .hero-grid {
  display: grid;
  gap: 28px;
  align-items: end;
}

.page-contact .hero-copy h1 {
  margin: 12px 0 0;
  font-size: clamp(32px, 7.4vw, 62px);
  line-height: 1.03;
  font-weight: 900;
  letter-spacing: -0.02em;
  max-width: 22ch;
}

.page-contact .hero-copy .lede {
  margin-top: 20px;
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.72;
  color: var(--gray-300);
  max-width: 56ch;
}

.page-contact .hero-points {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--chalk);
}

.page-contact .hero-points li {
  display: flex;
  align-items: center;
  gap: 8px;
}

.page-contact .hero-points li::before {
  content: "";
  width: 9px;
  height: 9px;
  background: var(--yellow-400);
  flex: none;
}

.page-contact .hero-frame {
  margin: 0;
  background: var(--field-800);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard-lg);
}

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

.page-contact .frame-caption {
  padding: 10px 14px;
  border-top: 2px solid var(--ink);
  background: var(--field-900);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gray-300);
}

/* ---------- 主工作区 ---------- */
.page-contact .contact-body {
  padding-top: clamp(52px, 7vw, 92px);
}

.page-contact .workbench {
  display: grid;
  gap: 36px;
}

.page-contact .rail-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--gray-300);
}

.page-contact .channel-card {
  background: var(--field-800);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
  padding: 16px 18px;
  margin-bottom: 12px;
}

.page-contact .channel-card--phone {
  border-left: 6px solid var(--orange-500);
}

.page-contact .channel-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--yellow-400);
}

.page-contact .channel-val {
  margin: 8px 0 0;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  word-break: break-word;
  overflow-wrap: anywhere;
  color: var(--chalk);
}

.page-contact .channel-note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--gray-300);
}

.page-contact .rail-meta {
  margin-top: 18px;
  padding-top: 16px;
  border-top: 1px solid var(--field-700);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.8;
  color: var(--gray-600);
}

.page-contact .rail-meta p {
  margin: 0;
}

.page-contact .contact-main {
  display: grid;
  gap: clamp(46px, 6vw, 78px);
  min-width: 0;
}

.page-contact .block-title {
  margin: 0;
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  letter-spacing: -0.01em;
  line-height: 1.25;
}

.page-contact .block-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 4px;
  margin-top: 12px;
  background: var(--yellow-400);
}

.page-contact .block-lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.72;
  color: var(--gray-300);
  max-width: 62ch;
}

.page-contact .block p {
  font-size: 16px;
  line-height: 1.72;
}

/* 通道分流 */
.page-contact .routes {
  margin-top: 28px;
  border-top: 2px solid var(--field-700);
}

.page-contact .route-row {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 4px 14px;
  padding: 20px 0;
  border-bottom: 1px solid var(--field-700);
  transition: background 180ms var(--ease);
}

.page-contact .route-row:hover {
  background: var(--field-800);
}

.page-contact .route-num {
  margin: 2px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  color: var(--yellow-400);
}

.page-contact .route-head {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  color: var(--chalk);
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
}

.page-contact .route-tag {
  display: inline-block;
  padding: 2px 9px;
  border: 2px solid var(--orange-500);
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--orange-500);
  white-space: nowrap;
}

.page-contact .route-desc {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--gray-300);
}

/* 值班编辑 */
.page-contact .editor-grid {
  display: grid;
  gap: 26px;
}

.page-contact .editor-copy p {
  margin: 18px 0 0;
  color: var(--gray-300);
}

.page-contact .editor-frame {
  margin: 0;
  background: var(--field-800);
  border: 2px solid var(--ink);
  box-shadow: var(--shadow-hard);
  align-self: start;
}

.page-contact .role-list {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--field-700);
}

.page-contact .role-list li {
  display: flex;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px solid var(--field-700);
  font-size: 15px;
  color: var(--chalk);
}

.page-contact .role-key {
  flex: none;
  min-width: 46px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.9;
  color: var(--yellow-400);
}

/* 处理时效刻度 */
.page-contact .ticks {
  display: grid;
  gap: 1px;
  margin-top: 28px;
  background: var(--field-700);
  border: 1px solid var(--field-700);
}

.page-contact .tick {
  background: var(--field-800);
  padding: 18px 20px;
  transition: background 180ms var(--ease);
}

.page-contact .tick:hover {
  background: var(--field-700);
}

.page-contact .tick:focus-visible {
  outline: 2px solid var(--yellow-400);
  outline-offset: -2px;
}

.page-contact .tick-time {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--yellow-400);
}

.page-contact .tick-label {
  margin: 6px 0 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--chalk);
}

.page-contact .tick-note {
  margin: 10px 0 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--gray-300);
}

/* 自查清单 */
.page-contact .checklist-wrap {
  margin-top: 26px;
}

.page-contact .checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-contact .check-item {
  background: var(--field-800);
  border: 2px solid var(--field-700);
}

.page-contact .check-item label {
  display: flex;
  gap: 12px;
  padding: 14px 16px;
  cursor: pointer;
}

.page-contact .check-item input {
  appearance: none;
  -webkit-appearance: none;
  width: 20px;
  height: 20px;
  flex: none;
  margin: 2px 0 0;
  border: 2px solid var(--gray-600);
  background: transparent;
  transition: background 160ms var(--ease), border-color 160ms var(--ease);
}

.page-contact .check-item input:checked {
  background: var(--yellow-400);
  border-color: var(--yellow-400);
}

.page-contact .check-item input:focus-visible {
  outline: 2px solid var(--yellow-400);
  outline-offset: 2px;
}

.page-contact .check-text {
  font-size: 15.5px;
  line-height: 1.68;
  color: var(--chalk);
}

.page-contact .check-hint {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-300);
}

.page-contact .check-hint--done {
  display: none;
  color: var(--yellow-400);
}

.page-contact .checklist-wrap:has(input:checked) .check-hint--idle {
  display: none;
}

.page-contact .checklist-wrap:has(input:checked) .check-hint--done {
  display: block;
}

.page-contact .check-item:has(input:checked) .check-text {
  color: var(--gray-600);
}

/* 地址与备案 */
.page-contact .site-info {
  margin-top: 24px;
  padding: 20px 22px;
  background: var(--field-800);
  border: 1px solid var(--field-700);
  border-left: 3px solid var(--gray-600);
}

.page-contact .info-line {
  margin: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 14px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--gray-300);
}

.page-contact .info-line + .info-line {
  margin-top: 12px;
  padding-top: 12px;
  border-top: 1px solid var(--field-700);
}

.page-contact .info-key {
  flex: none;
  min-width: 72px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 2;
  color: var(--gray-600);
}

.page-contact .info-line address {
  font-style: normal;
}

/* 橙色收束带 */
.page-contact .contact-band {
  padding: clamp(34px, 4.5vw, 60px) 0;
  background: var(--orange-500);
  color: var(--ink);
}

.page-contact .band-shell {
  display: grid;
  gap: 26px;
}

.page-contact .band-copy h2 {
  margin: 10px 0 0;
  font-size: clamp(22px, 3.4vw, 34px);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.01em;
  max-width: 26ch;
}

.page-contact .band-copy p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.72;
  max-width: 62ch;
}

.page-contact .band-eyebrow {
  color: var(--ink);
  opacity: 0.78;
}

.page-contact .band-actions {
  margin-top: 22px;
}

.page-contact .band-cta {
  display: inline-flex;
  align-items: center;
  padding: 13px 24px;
  background: var(--ink);
  color: var(--chalk);
  border: 2px solid var(--ink);
  box-shadow: 4px 4px 0 rgba(10, 15, 13, 0.35);
  font-weight: 700;
  text-decoration: none;
  transition: background 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .band-cta:hover {
  background: var(--field-900);
  color: var(--yellow-400);
}

.page-contact .band-links {
  margin: 0;
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  font-family: var(--font-mono);
  font-size: 13px;
}

.page-contact .band-links a {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 2px solid var(--ink);
  padding-bottom: 2px;
}

.page-contact .band-links a:hover {
  color: var(--chalk);
  border-color: var(--chalk);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .ticks {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .editor-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    gap: 38px;
    align-items: start;
  }
}

@media (min-width: 940px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
    gap: 52px;
  }

  .page-contact .band-shell {
    grid-template-columns: minmax(0, 1.4fr) minmax(0, 0.6fr);
    align-items: end;
    gap: 40px;
  }

  .page-contact .band-links {
    justify-content: flex-end;
    text-align: right;
  }
}

@media (min-width: 1000px) {
  .page-contact .workbench {
    grid-template-columns: var(--pc-rail) minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
  }

  .page-contact .route-row {
    grid-template-columns: 60px minmax(0, 1fr);
    padding: 24px 12px 24px 0;
  }

  .page-contact .tick-note {
    visibility: hidden;
    opacity: 0;
    transition: opacity 180ms var(--ease), visibility 180ms var(--ease);
  }

  .page-contact .tick:hover .tick-note,
  .page-contact .tick:focus-within .tick-note {
    visibility: visible;
    opacity: 1;
  }
}