/* ===== 联系与反馈 · 页面专属样式（作用域：.page-contact） ===== */
.page-contact {
  --pc-tick: 16px;
  --pc-tick-duty: 34px;
  --pc-panel: rgba(69, 79, 76, .3);
  --pc-slab: rgba(6, 15, 12, .82);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(16px, 2.4vw, 28px);
}

/* ---------- 1. 首屏框景 ---------- */
.page-contact .hero-frame {
  position: relative;
  padding: clamp(20px, 3vw, 42px);
  border: 1px solid var(--line-gold);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(160, 124, 51, .12), transparent 62%),
    linear-gradient(178deg, var(--ink-green) 0%, var(--night) 100%);
}

.page-contact .hero-frame::before {
  content: "";
  position: absolute;
  inset: 7px;
  border: 1px solid rgba(155, 166, 163, .14);
  pointer-events: none;
}

.page-contact .hero-rail {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 10px 20px;
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .hero-lede {
  max-width: 64ch;
  margin: 18px 0 0;
  font-size: 17px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .hero-split {
  margin-top: clamp(26px, 4vw, 46px);
  gap: clamp(20px, 3vw, 40px);
  align-items: start;
}

/* 渠道列表 */
.page-contact .hero-channels {
  border-top: 1px solid var(--line-gold);
}

.page-contact .channel-cell {
  padding: 15px 0 13px;
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .channel-cell .meta {
  display: block;
  margin-bottom: 7px;
}

.page-contact .channel-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 1.5vw, 17px);
  letter-spacing: .01em;
  color: var(--ivory);
  word-break: break-word;
}

.page-contact .hero-channel-note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver);
}

/* 首屏时钟面板 */
.page-contact .hero-clock {
  padding: clamp(16px, 2.4vw, 26px);
  border: 1px solid var(--line-faint);
  border-left: 3px solid var(--gold);
  background: var(--pc-panel);
}

.page-contact .clock-window {
  margin: 8px 0 4px;
  font-family: var(--font-mono);
  font-size: clamp(26px, 3.6vw, 36px);
  line-height: 1.1;
  letter-spacing: .03em;
  color: var(--gold-bright);
}

.page-contact .clock-scale {
  display: grid;
  grid-template-columns: repeat(8, 1fr);
  gap: 4px;
  align-items: end;
  height: 42px;
  margin-top: 22px;
}

.page-contact .tick {
  display: block;
  height: var(--pc-tick);
  background: var(--stone);
  border-top: 1px solid var(--line-faint);
  transition: background var(--t-soft) var(--ease), height var(--t-soft) var(--ease);
}

.page-contact .tick.is-duty {
  height: var(--pc-tick-duty);
  background: var(--amber);
  border-top-color: var(--gold-bright);
}

.page-contact .tick:hover,
.page-contact .tick:focus-visible {
  background: var(--gold-bright);
  outline: none;
}

.page-contact .clock-axis {
  display: flex;
  justify-content: space-between;
  margin-top: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--silver);
}

/* ---------- 2. 区块通用 ---------- */
.page-contact .section-lede {
  max-width: 60ch;
  margin: 10px 0 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 3. 渠道分工 ---------- */
.page-contact .channel-grid {
  margin-top: clamp(20px, 3vw, 34px);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-contact .channel-cards {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.page-contact .channel-card {
  padding: clamp(16px, 2vw, 22px);
  border-left: 3px solid var(--gold);
}

.page-contact .channel-card-value {
  margin: 12px 0 9px;
  font-family: var(--font-mono);
  font-size: clamp(13px, 1.4vw, 16px);
  line-height: 1.5;
  color: var(--ink-green);
  word-break: break-word;
}

.page-contact .channel-card-note {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--stone);
}

.page-contact .channel-figure {
  margin: 0;
}

/* ---------- 4. 响应时段 ---------- */
.page-contact .hours-grid {
  margin-top: clamp(20px, 3vw, 34px);
  gap: clamp(20px, 3vw, 36px);
  align-items: start;
}

.page-contact .hours-figure {
  margin: 0;
  border-left: 2px solid var(--moss);
}

.page-contact .hours-list {
  margin: 0;
  border-top: 1px solid var(--line-gold);
}

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

.page-contact .hours-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-contact .hours-row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ivory);
}

.page-contact .hours-row dd .num {
  color: var(--gold-bright);
}

/* ---------- 5. 处理流程 ---------- */
.page-contact .flow-track {
  list-style: none;
  margin: clamp(22px, 3vw, 36px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

.page-contact .flow-step {
  position: relative;
  padding: 20px 0 0;
  border-top: 2px solid var(--gold);
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 8px;
  height: 8px;
  background: var(--gold);
  transform: rotate(45deg);
}

.page-contact .flow-index {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--amber);
  margin-bottom: 8px;
}

.page-contact .flow-text {
  margin: 10px 0 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .fold {
  margin-top: 14px;
  padding-left: 12px;
  border-left: 2px solid var(--clay);
}

.page-contact .fold summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--silver);
  transition: color var(--t-frame) var(--ease);
}

.page-contact .fold summary::-webkit-details-marker {
  display: none;
}

.page-contact .fold summary::after {
  content: " ＋";
}

.page-contact .fold[open] summary::after {
  content: " －";
}

.page-contact .fold summary:hover,
.page-contact .fold summary:focus-visible {
  color: var(--gold-bright);
  outline: none;
}

.page-contact .fold p {
  margin: 10px 0 2px;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--silver);
}

/* ---------- 6. 主体与备案 ---------- */
.page-contact .filing-slab {
  padding: clamp(20px, 3vw, 36px);
  background: var(--pc-slab);
  border: 1px solid var(--line-faint);
  border-top: 2px solid var(--gold);
}

.page-contact .filing-head {
  padding-bottom: 16px;
  border-bottom: 1px solid var(--line-faint);
}

.page-contact .filing-list {
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .filing-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--silver);
  margin-bottom: 4px;
}

.page-contact .filing-row dd {
  margin: 0;
  font-size: 18px;
  color: var(--ivory);
}

.page-contact .filing-row dd.num {
  font-family: var(--font-mono);
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: .02em;
  color: var(--gold-bright);
}

.page-contact .filing-note {
  margin: 22px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line-faint);
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 7. 受理范围 ---------- */
.page-contact .scope-grid {
  margin-top: clamp(20px, 3vw, 32px);
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--line-faint);
  border: 1px solid var(--line-faint);
}

.page-contact .scope-col {
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--ink-green);
}

.page-contact .scope-yes {
  border-left: 3px solid var(--moss);
}

.page-contact .scope-no {
  border-left: 3px solid var(--clay);
}

.page-contact .scope-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
}

.page-contact .scope-list li {
  position: relative;
  padding-left: 16px;
  margin-bottom: 11px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--silver);
}

.page-contact .scope-list li:last-child {
  margin-bottom: 0;
}

.page-contact .scope-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--gold);
}

.page-contact .scope-no .scope-list li::before {
  border-color: var(--clay);
}

.page-contact .scope-note {
  margin: 22px 0 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .scope-note a {
  color: var(--gold-bright);
  text-decoration: underline;
  text-decoration-color: var(--line-gold);
  text-underline-offset: 3px;
  transition: border-color var(--t-frame) var(--ease), color var(--t-frame) var(--ease);
}

.page-contact .scope-note a:hover,
.page-contact .scope-note a:focus-visible {
  color: var(--paper);
  text-decoration-color: var(--gold-bright);
}

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

.page-contact .next-link {
  border-color: var(--line-gold);
}

/* ---------- 断点 ---------- */
@media (max-width: 899.98px) {
  .page-contact .grid-5-7,
  .page-contact .grid-4-8,
  .page-contact .grid-3-9 {
    grid-template-columns: 1fr;
  }

  .page-contact .hero-frame::before {
    inset: 5px;
  }

  .page-contact .clock-scale {
    height: 38px;
  }
}

@media (min-width: 760px) {
  .page-contact .scope-grid {
    grid-template-columns: 1fr 1fr;
  }

  .page-contact .filing-list {
    grid-template-columns: repeat(2, 1fr);
    gap: 14px 32px;
  }
}

@media (min-width: 900px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(4, 1fr);
    gap: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .tick,
  .page-contact .fold summary,
  .page-contact .scope-note a {
    transition: none;
  }
}