.page-contact {
  --pc-card-bg: var(--indigo);
  --pc-panel-bg: rgba(18, 41, 77, 0.72);
  --pc-gap: clamp(18px, 3vw, 32px);
}

.page-contact h1 {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(1.9rem, 6.2vw, 3.6rem);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--snow);
  margin: 14px 0 18px;
}

.page-contact h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 1.06rem;
  line-height: 1.5;
  color: var(--snow);
  margin: 0 0 8px;
}

.page-contact .pc-head {
  max-width: 46rem;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .pc-head .section-title {
  margin-top: 10px;
}

.page-contact .pc-head .section-title::after,
.page-contact .pc-hours .section-title::after,
.page-contact .pc-subscribe .section-title::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  margin-top: 14px;
  background: var(--ice);
}

.page-contact .pc-head .lede {
  margin-top: 18px;
}

.page-contact .pc-intro-grid,
.page-contact .pc-channel-layout,
.page-contact .pc-sub-grid {
  column-gap: clamp(24px, 4vw, 56px);
  row-gap: clamp(24px, 4vw, 40px);
  align-items: start;
}

.page-contact .pc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* 首屏右侧事实面板 */
.page-contact .pc-facts {
  border: var(--bw) solid var(--obsidian);
  box-shadow: var(--shadow);
  background: var(--indigo);
  padding: 6px clamp(16px, 2.5vw, 24px);
}

.page-contact .pc-fact {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: baseline;
  gap: 6px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-fact:last-child {
  border-bottom: 0;
}

.page-contact .pc-fact-key {
  font-size: 0.8125rem;
  letter-spacing: 0.12em;
  color: var(--text-dim);
}

.page-contact .pc-fact-val {
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--ice);
  text-align: right;
}

/* 通道卡片 */
.page-contact .pc-channel-list {
  display: grid;
  gap: var(--pc-gap);
}

.page-contact .pc-channel {
  border: var(--bw) solid var(--obsidian);
  box-shadow: var(--shadow);
  background: var(--pc-card-bg);
  padding: clamp(18px, 2.6vw, 26px);
}

.page-contact .pc-channel-top {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}

.page-contact .pc-channel-when {
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--text-dim);
}

.page-contact .pc-channel-value {
  font-size: clamp(1.05rem, 3.6vw, 1.5rem);
  font-weight: 700;
  line-height: 1.4;
  color: var(--ice);
  margin: 0 0 12px;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .pc-channel-value--addr {
  font-family: var(--font-body);
  font-size: clamp(1rem, 2.4vw, 1.14rem);
  line-height: 1.72;
  color: var(--snow);
}

.page-contact .pc-channel-text {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.85;
}

.page-contact .pc-channel-visual .img-frame {
  margin: 0;
}

.page-contact .pc-channel-visual .img-frame-caption {
  margin-top: 14px;
}

/* 轮次轴与轮次卡片 */
.page-contact .pc-round-layout {
  display: grid;
  gap: clamp(22px, 3.5vw, 40px);
}

.page-contact .pc-round-rail {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .pc-round-rail .rail-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  color: var(--text-dim);
  text-transform: uppercase;
}

.page-contact .pc-round-rail .round-strip {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding: 4px 2px 10px;
  scrollbar-width: thin;
}

.page-contact .pc-round-rail .round-tab {
  flex: 0 0 auto;
  min-width: 54px;
  min-height: 44px;
  font-weight: 700;
  font-size: 0.9375rem;
}

.page-contact .pc-round-rail .round-tab[aria-pressed="true"] {
  border-color: var(--fl-yellow);
  color: var(--fl-yellow);
}

.page-contact .pc-round-cards {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
}

.page-contact .pc-round-card {
  border: var(--bw) solid var(--obsidian);
  box-shadow: var(--shadow-sm);
  background: var(--pc-panel-bg);
  padding: clamp(18px, 2.6vw, 24px);
  border-top: 4px solid var(--line-strong);
}

.page-contact .pc-round-card-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.page-contact .pc-round-badge {
  font-size: 1.15rem;
  font-weight: 700;
  color: var(--fl-yellow);
  letter-spacing: 0.02em;
}

.page-contact .pc-round-card p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.85;
}

.page-contact .pc-aside {
  margin-top: clamp(22px, 3vw, 32px);
  padding-left: 16px;
  border-left: var(--bw-thin) solid var(--ice);
  color: var(--text-dim);
  line-height: 1.85;
}

.page-contact .pc-inline-link {
  color: var(--ice);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-inline-link:hover {
  color: var(--fl-yellow);
}

/* 订阅三步 */
.page-contact .pc-sub-visual .img-frame {
  margin: 0;
}

.page-contact .pc-steps {
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .pc-steps .step-index {
  color: var(--fl-yellow);
  font-weight: 700;
}

.page-contact .pc-sub-note {
  margin-top: clamp(20px, 3vw, 28px);
  padding: 16px 18px;
  border: var(--bw-thin) solid var(--fl-green);
  background: rgba(53, 160, 106, 0.1);
  color: var(--text);
  line-height: 1.85;
}

/* 反馈清单 */
.page-contact .pc-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .pc-check {
  display: flex;
  gap: 16px;
  padding: 18px 20px;
  border-left: var(--bw) solid var(--ice);
  border-top: 1px solid var(--line-soft);
  border-right: 1px solid var(--line-soft);
  border-bottom: 1px solid var(--line-soft);
  background: var(--pc-panel-bg);
}

.page-contact .pc-check-no {
  flex: 0 0 auto;
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--haze);
  line-height: 1.4;
}

.page-contact .pc-check h3 {
  margin-bottom: 6px;
}

.page-contact .pc-check p {
  margin: 0;
  color: var(--text-dim);
  line-height: 1.85;
}

/* 时效与备案 */
.page-contact .pc-hours-panel {
  display: grid;
  gap: clamp(24px, 4vw, 40px);
  border: var(--bw) solid var(--obsidian);
  box-shadow: var(--shadow);
  background: var(--indigo);
  padding: clamp(20px, 4vw, 40px);
}

.page-contact .pc-hours-main .section-title {
  margin-top: 10px;
}

.page-contact .pc-hours-main .prose {
  margin-top: 18px;
}

.page-contact .pc-legal {
  background: var(--snow);
  color: var(--night);
  border: var(--bw) solid var(--obsidian);
  padding: clamp(18px, 2.6vw, 26px);
}

.page-contact .pc-legal p {
  margin: 0;
}

.page-contact .pc-legal-label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--fl-blue);
  margin-bottom: 12px !important;
}

.page-contact .pc-legal-addr {
  font-weight: 700;
  line-height: 1.7;
  margin-bottom: 16px !important;
}

.page-contact .pc-legal-mail,
.page-contact .pc-legal-tel {
  font-weight: 700;
  color: var(--night);
  margin-bottom: 8px !important;
  word-break: break-word;
  overflow-wrap: anywhere;
}

.page-contact .pc-legal-icp {
  margin-top: 14px !important;
  padding-top: 14px;
  border-top: 1px solid rgba(26, 31, 43, 0.2);
  font-size: 0.875rem;
  color: rgba(26, 31, 43, 0.78);
}

/* 响应式 */
@media (min-width: 700px) {
  .page-contact .pc-round-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-contact .pc-round-layout {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: clamp(28px, 4vw, 52px);
  }

  .page-contact .pc-round-rail {
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-contact .pc-round-rail .round-strip {
    flex-direction: column;
    overflow: visible;
    padding: 0;
  }

  .page-contact .pc-round-rail .round-tab {
    width: 100%;
  }

  .page-contact .pc-hours-panel {
    grid-template-columns: 1.25fr 1fr;
    align-items: start;
  }
}

@media (min-width: 1040px) {
  .page-contact .pc-round-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-round-rail {
    position: static;
  }
}