.page-contact {
  --cut-lg: 20px;
  --contact-pad: clamp(20px, 3.4vw, 32px);
  background: var(--ink-900);
  color: var(--snow);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--ink-950);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-hero-bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.34;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background:
    radial-gradient(120% 90% at 10% 0%, rgba(255, 107, 44, 0.2), transparent 58%),
    linear-gradient(180deg, rgba(5, 10, 22, 0.52) 0%, rgba(11, 27, 58, 0.88) 58%, var(--ink-900) 100%);
}

.page-contact .contact-hero-inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(30px, 6vw, 58px);
  padding-bottom: clamp(38px, 7vw, 74px);
}

.page-contact .breadcrumbs {
  margin-bottom: 20px;
}

.page-contact .contact-title {
  margin: 10px 0 0;
  font-size: clamp(28px, 6.2vw, 50px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: 0.05em;
  max-width: 22ch;
}

.page-contact .contact-lede {
  margin-top: 18px;
  max-width: 60ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.82;
  color: var(--snow-70);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

/* ---------- 页内目录 ---------- */
.page-contact .local-route-wrap {
  border-bottom: 1px solid var(--line);
}

.page-contact .local-route {
  display: flex;
  gap: 10px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  padding: 14px 0;
}

.page-contact .local-route-link {
  flex: 0 0 auto;
  padding: 8px 15px;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--snow-70);
  text-decoration: none;
  border: 1px solid var(--line-strong);
  background: rgba(19, 42, 84, 0.35);
  clip-path: polygon(0 0, calc(100% - 10px) 0, 100% 10px, 100% 100%, 10px 100%, 0 calc(100% - 10px));
  transition: color 0.2s var(--ease), background 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .local-route-link:hover,
.page-contact .local-route-link:focus-visible,
.page-contact .local-route-link[aria-current] {
  color: var(--ink-950);
  background: var(--orange);
  border-color: var(--orange);
}

/* ---------- 章节骨架 ---------- */
.page-contact .section {
  padding-block: clamp(42px, 7vw, 78px);
}

.page-contact .section + .section {
  border-top: 1px solid var(--line);
}

.page-contact .section-head {
  max-width: 64ch;
  margin-bottom: clamp(24px, 4vw, 38px);
}

.page-contact .section-title {
  margin: 10px 0 0;
  font-size: clamp(23px, 4.2vw, 34px);
  line-height: 1.3;
  letter-spacing: 0.06em;
  font-weight: 800;
}

.page-contact .section-desc {
  margin-top: 12px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--snow-70);
}

/* ---------- 通道布局 ---------- */
.page-contact .channel-layout {
  display: grid;
  gap: 20px;
}

.page-contact .channel-legend {
  padding: 18px;
  background: rgba(19, 42, 84, 0.55);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}

.page-contact .legend-title {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--orange);
}

.page-contact .legend-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .legend-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 2px 10px;
  align-items: baseline;
  padding-left: 12px;
  border-left: 2px solid var(--line-strong);
}

.page-contact .legend-item:first-child {
  border-left-color: var(--orange);
}

.page-contact .legend-index {
  font-family: var(--font-num);
  font-size: 14px;
  letter-spacing: 0.1em;
  color: var(--orange);
}

.page-contact .legend-name {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-contact .legend-note {
  grid-column: 2;
  font-size: 13px;
  color: var(--snow-50);
}

/* ---------- 联系卡 ---------- */
.page-contact .channel-cards {
  display: grid;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: var(--contact-pad);
  background: linear-gradient(155deg, rgba(27, 58, 110, 0.55), rgba(19, 42, 84, 0.94));
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 72px;
  height: 3px;
  background: var(--orange);
}

.page-contact .channel-card--phone::before {
  background: var(--neon);
}

.page-contact .channel-card--addr::before {
  background: var(--butter);
}

.page-contact .channel-index {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--snow-50);
}

.page-contact .channel-name {
  margin: 0;
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight: 700;
  letter-spacing: 0.06em;
}

.page-contact .channel-value {
  margin: 0;
  font-size: clamp(18px, 2.8vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: 0.02em;
  color: var(--snow);
}

.page-contact .channel-value--mail {
  font-size: clamp(15px, 3.8vw, 20px);
  word-break: break-all;
  color: var(--orange-soft);
}

.page-contact .channel-value--link a {
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 2px solid rgba(255, 154, 77, 0.35);
}

.page-contact .channel-value--link a:hover,
.page-contact .channel-value--link a:focus-visible {
  color: var(--snow);
  border-bottom-color: var(--snow);
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--snow-70);
}

.page-contact .channel-actions {
  margin-top: auto;
  padding-top: 8px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 18px;
  font-family: inherit;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--snow);
  background: rgba(245, 247, 250, 0.05);
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: background 0.2s var(--ease), border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  background: var(--orange);
  border-color: var(--orange);
  color: var(--ink-950);
}

.page-contact .copy-btn.is-done {
  border-color: var(--barley);
  color: var(--barley);
  background: rgba(62, 155, 107, 0.12);
}

/* ---------- 值班时间 ---------- */
.page-contact .hours-layout {
  display: grid;
  gap: 26px;
}

.page-contact .hours-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .hours-item {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px dashed var(--line-strong);
}

.page-contact .hours-item:first-child {
  border-top: 1px dashed var(--line-strong);
}

.page-contact .hours-time {
  font-family: var(--font-num);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

.page-contact .hours-text {
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--snow-70);
}

.page-contact .hours-text strong {
  color: var(--snow);
  font-weight: 600;
}

.page-contact .hours-media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--ink-800);
}

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

.page-contact .hours-media .media-caption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--snow-50);
}

/* ---------- 内容合作 ---------- */
.page-contact .filter-bar {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 22px;
}

.page-contact .filter-btn {
  padding: 8px 16px;
  font-family: inherit;
  font-size: 14px;
  letter-spacing: 0.04em;
  color: var(--snow-70);
  background: transparent;
  border: 1px solid var(--line-strong);
  cursor: pointer;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .filter-btn:hover,
.page-contact .filter-btn:focus-visible {
  border-color: var(--clay);
  color: var(--snow);
}

.page-contact .filter-btn[aria-pressed="true"] {
  background: var(--clay);
  border-color: var(--clay);
  color: var(--snow);
}

.page-contact .coop-list {
  display: grid;
  gap: 14px;
}

.page-contact .coop-item {
  padding: 20px;
  background: linear-gradient(120deg, rgba(198, 90, 58, 0.14), rgba(19, 42, 84, 0.5));
  border: 1px solid rgba(198, 90, 58, 0.32);
  border-left: 3px solid var(--clay);
}

.page-contact .coop-tag {
  display: inline-block;
  margin-bottom: 10px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--clay);
  background: rgba(198, 90, 58, 0.14);
}

.page-contact .coop-title {
  margin: 0 0 8px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.05em;
  color: var(--snow);
}

.page-contact .coop-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.76;
  color: var(--snow-70);
}

.page-contact .coop-foot {
  margin-top: 26px;
  padding: 20px;
  display: grid;
  gap: 16px;
  border: 1px dashed var(--line-strong);
  background: rgba(5, 10, 22, 0.45);
}

.page-contact .coop-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--snow-70);
}

.page-contact .coop-cta {
  justify-self: start;
}

/* ---------- 常见场景 ---------- */
.page-contact .scenario-grid {
  display: grid;
  gap: 14px;
}

.page-contact .scenario-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  background: rgba(19, 42, 84, 0.5);
  border: 1px solid var(--line);
  border-top: 2px solid var(--line-strong);
  transition: border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .scenario-card:hover {
  border-top-color: var(--orange);
  background: rgba(27, 58, 110, 0.55);
}

.page-contact .scenario-index {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.22em;
  color: var(--snow-50);
}

.page-contact .scenario-title {
  margin: 0;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.page-contact .scenario-text {
  margin: 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--snow-70);
}

.page-contact .scenario-link {
  margin-top: auto;
  padding-top: 6px;
  font-size: 14px;
  color: var(--orange-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 154, 77, 0.4);
  align-self: flex-start;
}

.page-contact .scenario-link:hover,
.page-contact .scenario-link:focus-visible {
  color: var(--snow);
  border-bottom-color: var(--snow);
}

/* ---------- 备案信息 ---------- */
.page-contact .siteinfo-panel {
  display: grid;
  gap: 24px;
  padding: clamp(22px, 4vw, 40px);
  background: linear-gradient(160deg, rgba(11, 27, 58, 0.94), rgba(5, 10, 22, 0.98));
  border: 1px solid var(--line-strong);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 26px 100%, 0 calc(100% - 26px));
}

.page-contact .siteinfo-text {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--snow-70);
}

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

.page-contact .fact-row {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 10px;
  font-size: 14px;
  border-bottom: 1px dashed var(--line);
}

.page-contact .fact-label {
  color: var(--snow-50);
}

.page-contact .fact-value {
  color: var(--snow);
  word-break: break-word;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-cards {
    grid-template-columns: 1.15fr 1fr;
  }

  .page-contact .channel-card--mail {
    grid-row: span 2;
  }

  .page-contact .coop-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .coop-foot {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .scenario-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .channel-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 30px;
    align-items: start;
  }

  .page-contact .channel-legend {
    position: sticky;
    top: calc(var(--bar-h) + 20px);
  }

  .page-contact .hours-layout {
    grid-template-columns: 1.05fr 0.95fr;
    gap: 34px;
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .scenario-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .siteinfo-panel {
    grid-template-columns: 1.05fr 1fr;
    gap: 36px;
    align-items: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .local-route-link,
  .page-contact .copy-btn,
  .page-contact .filter-btn,
  .page-contact .scenario-card,
  .page-contact .scenario-link {
    transition: none;
  }
}