.page-contact {
  background: var(--paper);
  color: var(--graphite);
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.75;
}

.page-contact a:focus-visible,
.page-contact button:focus-visible {
  outline: 3px solid var(--lime);
  outline-offset: 2px;
}

/* ============ 页头 ============ */
.page-contact .contact-mast {
  position: relative;
  background: var(--ink-blue);
  color: var(--paper);
  padding: 26px 0 42px;
  border-bottom: var(--edge);
  overflow: hidden;
}

.page-contact .contact-mast::after {
  content: "";
  position: absolute;
  right: -70px;
  top: -50px;
  width: 240px;
  height: 240px;
  border: 2px solid var(--lake);
  transform: rotate(18deg);
  opacity: .4;
  pointer-events: none;
}

.page-contact .contact-mast .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ice);
}

.page-contact .contact-mast .breadcrumb a {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--fast) var(--ease), color var(--fast) var(--ease);
}

.page-contact .contact-mast .breadcrumb a:hover {
  color: var(--paper);
  border-bottom-color: var(--lime);
}

.page-contact .contact-mast .crumb-sep {
  color: var(--lake);
}

.page-contact .contact-mast .crumb-current {
  color: var(--lime);
  font-weight: 700;
}

.page-contact .contact-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--lake);
}

.page-contact .contact-mast h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  font-weight: 900;
  font-size: clamp(29px, 7.4vw, 54px);
  line-height: 1.1;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-contact .contact-lede {
  max-width: 58ch;
  margin: 0 0 30px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--ice);
}

.page-contact .mast-facts {
  list-style: none;
  margin: 0;
  padding: 20px 0 0;
  display: grid;
  gap: 16px;
  grid-template-columns: 1fr;
  border-top: 2px solid rgba(169, 197, 255, .28);
}

.page-contact .mast-facts li {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.page-contact .mf-num {
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -.01em;
  color: var(--sunset);
}

.page-contact .mf-label {
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ice);
}

@media (min-width: 640px) {
  .page-contact .mast-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 0;
  }

  .page-contact .mast-facts li + li {
    padding-left: 24px;
    border-left: 2px solid rgba(169, 197, 255, .28);
  }
}

@media (min-width: 720px) {
  .page-contact .contact-mast {
    padding: 34px 0 54px;
  }

  .page-contact .contact-lede {
    font-size: 17px;
  }
}

/* ============ 通用章节 ============ */
.page-contact .section {
  padding: 46px 0;
}

.page-contact .section--dark {
  background: var(--ink-blue);
  color: var(--paper);
}

.page-contact .section-title {
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.18;
}

.page-contact .section-index,
.page-contact .block-num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--sunset);
}

.page-contact .section--dark .section-index {
  color: var(--lime);
}

.page-contact .section--dark .section-lead {
  color: var(--ice);
}

@media (min-width: 980px) {
  .page-contact .section {
    padding: 66px 0;
  }
}

/* ============ 联系渠道 ============ */
.page-contact .chan-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.page-contact .chan {
  display: flex;
  flex-direction: column;
  min-width: 0;
  padding: 22px 20px 24px;
  background: var(--card-white);
  border: var(--edge);
  box-shadow: var(--hard);
  transition: transform var(--fast) var(--ease), box-shadow var(--fast) var(--ease);
}

.page-contact .chan:hover {
  transform: translate(-2px, -2px);
  box-shadow: 8px 8px 0 var(--night-ink);
}

.page-contact .chan-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 46px;
  height: 46px;
  margin-bottom: 16px;
  background: var(--lime);
  border: var(--edge);
  color: var(--night-ink);
}

.page-contact .chan-icon svg {
  display: block;
}

.page-contact .chan-title {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 900;
  color: var(--ink-blue);
  letter-spacing: -.01em;
}

.page-contact .chan-value {
  margin: 0 0 12px;
  padding: 8px 10px;
  background: var(--mist);
  border-left: 4px solid var(--sunset);
  font-family: var(--font-mono);
  font-size: 14px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--night-ink);
  overflow-wrap: anywhere;
}

.page-contact .chan-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--lead);
}

@media (min-width: 860px) {
  .page-contact .chan-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ============ 8-4 双栏主体 ============ */
.page-contact .contact-grid {
  display: grid;
  gap: 34px;
  grid-template-columns: 1fr;
  padding-top: 46px;
  padding-bottom: 46px;
}

.page-contact .grid-left,
.page-contact .grid-right {
  min-width: 0;
}

.page-contact .grid-left {
  display: flex;
  flex-direction: column;
  gap: 38px;
}

@media (min-width: 980px) {
  .page-contact .contact-grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 44px;
    padding-top: 64px;
    padding-bottom: 64px;
    align-items: start;
  }
}

.page-contact .block {
  min-width: 0;
}

.page-contact .block-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 10px;
  border-bottom: var(--edge);
}

.page-contact .block-title {
  margin: 0;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.3;
  color: var(--ink-blue);
}

.page-contact .block-text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--graphite);
}

/* ============ 服务时段刻度 ============ */
.page-contact .clock {
  margin: 0 0 16px;
}

.page-contact .clock-rail {
  position: relative;
  height: 28px;
  background: var(--mist);
  border: var(--edge);
  overflow: hidden;
}

.page-contact .clock-open {
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, var(--lake) 0%, var(--lime) 55%, var(--sunset) 100%);
}

.page-contact .clock-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .04em;
  color: var(--lead);
}

/* ============ 反馈信息清单 ============ */
.page-contact .check-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 11px;
}

.page-contact .check-list li {
  position: relative;
  padding-left: 24px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--graphite);
}

.page-contact .check-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 8px;
  background: var(--lake);
  border: 2px solid var(--night-ink);
}

.page-contact .check-list strong {
  font-weight: 700;
  color: var(--ink-blue);
}

/* ============ 处理路径流程 ============ */
.page-contact .flow-tools {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .filter-btn {
  padding: 7px 12px;
  background: var(--card-white);
  border: var(--edge);
  color: var(--ink-blue);
  font-family: var(--font-sans);
  font-size: 12.5px;
  font-weight: 700;
  line-height: 1.3;
  cursor: pointer;
  transition: background var(--fast) var(--ease), color var(--fast) var(--ease), box-shadow var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.page-contact .filter-btn:hover {
  transform: translate(-1px, -1px);
  box-shadow: var(--hard-sm);
}

.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--ink-blue);
  color: var(--lime);
}

.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.page-contact .flow-item {
  position: relative;
  min-width: 0;
  padding: 15px 15px 15px 54px;
  background: var(--card-white);
  border: var(--edge);
  box-shadow: var(--hard-sm);
}

.page-contact .flow-item[hidden] {
  display: none;
}

.page-contact .flow-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--ink-blue);
  border-right: 2px solid var(--night-ink);
  color: var(--sunset);
  font-family: var(--font-mono);
  font-size: 12.5px;
  font-weight: 700;
}

.page-contact .flow-title {
  margin: 0 0 6px;
  font-size: 15px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--ink-blue);
}

.page-contact .flow-text {
  margin: 0 0 8px;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--graphite);
}

.page-contact .flow-meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .03em;
  color: var(--lake);
}

.page-contact .filter-empty {
  margin: 12px 0 0;
  padding: 14px 0;
  font-size: 14px;
  color: var(--lead);
}

/* ============ 青海与西北 ============ */
.page-contact .nw-grid {
  display: grid;
  gap: 26px;
  grid-template-columns: 1fr;
}

.page-contact .nw-figure {
  margin: 0;
  min-width: 0;
  border: var(--edge);
  box-shadow: var(--hard);
  background: var(--mist);
  overflow: hidden;
}

.page-contact .nw-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .nw-body {
  min-width: 0;
}

.page-contact .nw-body p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.82;
  color: var(--graphite);
}

.page-contact .nw-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 30px;
  margin-top: 22px;
  padding-top: 18px;
  border-top: 2px solid var(--mist);
}

.page-contact .nw-stats .stat {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-contact .nw-stats .stat-value {
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--sunset);
}

.page-contact .nw-stats .stat-label {
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--lead);
}

@media (min-width: 880px) {
  .page-contact .nw-grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 40px;
    align-items: start;
  }
}

/* ============ 合作 ============ */
.page-contact .coop-grid {
  display: grid;
  gap: 20px;
  grid-template-columns: 1fr;
}

.page-contact .coop {
  min-width: 0;
  padding: 22px 20px 24px;
  background: rgba(255, 253, 248, .05);
  border: 2px solid var(--ice);
  transition: background var(--fast) var(--ease), transform var(--fast) var(--ease);
}

.page-contact .coop:hover {
  background: rgba(0, 230, 118, .09);
  transform: translateY(-2px);
}

.page-contact .coop-title {
  margin: 14px 0 8px;
  font-size: 16px;
  font-weight: 900;
  line-height: 1.4;
  color: var(--paper);
}

.page-contact .coop-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--ice);
}

@media (min-width: 840px) {
  .page-contact .coop-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 22px;
  }
}

/* ============ 页尾通栏 ============ */
.page-contact .contact-tail .wrap {
  display: grid;
  gap: 26px;
  grid-template-columns: 1fr;
  align-items: center;
}

.page-contact .tail-figure {
  margin: 0;
  min-width: 0;
  border: var(--edge);
  box-shadow: var(--hard);
  background: var(--mist);
  overflow: hidden;
}

.page-contact .tail-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-contact .tail-copy {
  min-width: 0;
}

.page-contact .tail-text {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--graphite);
}

.page-contact .tail-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

@media (min-width: 880px) {
  .page-contact .contact-tail .wrap {
    grid-template-columns: minmax(0, 6fr) minmax(0, 5fr);
    gap: 42px;
  }

  .page-contact .tail-text {
    font-size: 17px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact * {
    transition-duration: .01ms !important;
    animation-duration: .01ms !important;
  }

  .page-contact .chan:hover,
  .page-contact .coop:hover,
  .page-contact .filter-btn:hover {
    transform: none;
  }
}
<<<END>>>