.page-contact {
  --pc-paper-ink: #0E1725;
  --pc-paper-mute: #55637A;
  position: relative;
  padding-top: clamp(86px, 13vw, 128px);
  padding-bottom: clamp(44px, 7vw, 90px);
  background-color: var(--ink);
  background-image:
    linear-gradient(to right, rgba(28, 42, 58, 0.6) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 42, 58, 0.6) 1px, transparent 1px);
  background-size: 96px 96px;
  color: var(--paper);
}

.page-contact .breadcrumb {
  margin-bottom: clamp(18px, 3vw, 30px);
}

.page-contact .pc-hero {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  align-items: end;
}

.page-contact .pc-hero h1 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2.1rem, 6.2vw, 4rem);
  line-height: 0.98;
  letter-spacing: -0.01em;
  margin: 0.3em 0 0.45em;
}

.page-contact .pc-hero__lede {
  font-size: clamp(0.94rem, 2.4vw, 1.02rem);
  line-height: 1.8;
  color: var(--rock);
  max-width: 32em;
  margin: 0 0 24px;
}

.page-contact .pc-stats {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  list-style: none;
  margin: 0 0 26px;
  padding: 14px 0;
  border-top: 1px solid var(--steel);
  border-bottom: 1px solid var(--steel);
}

.page-contact .pc-stats li {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 0.8rem;
  line-height: 1.5;
  color: var(--rock);
}

.page-contact .pc-stats .num {
  font-family: var(--font-num);
  font-size: 0.92rem;
  color: var(--paper);
  letter-spacing: 0.02em;
  font-variant-numeric: tabular-nums;
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .pc-hero__media {
  border: 1px solid var(--steel);
  background: var(--ink-2);
  transform: rotate(-1.2deg);
}

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

.page-contact .pc-section {
  margin-top: clamp(42px, 7vw, 76px);
  scroll-margin-top: 110px;
}

.page-contact .pc-head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px 18px;
  padding-bottom: 12px;
  margin-bottom: clamp(18px, 3vw, 26px);
  border-bottom: 1px solid var(--steel);
}

.page-contact .pc-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.45rem, 3.6vw, 2.1rem);
  line-height: 1.12;
  margin: 0;
  color: var(--paper);
}

.page-contact .pc-head__meta {
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--index);
  text-transform: uppercase;
}

/* ---------- 四条事由通道 ---------- */
.page-contact .pc-channels {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(20px, 3vw, 26px);
}

.page-contact .pc-channel {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 16px;
  border-top: 2px solid var(--flame);
  transition: transform 0.24s var(--ease);
}

.page-contact .pc-channel:hover {
  transform: translateY(-3px);
}

.page-contact .pc-channel__idx {
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--clay);
}

.page-contact .pc-channel h3 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.14rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .pc-channel p {
  margin: 0;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--rock);
}

.page-contact .pc-channel__act {
  margin-top: auto;
  align-self: flex-start;
  padding-bottom: 3px;
  font-family: var(--font-num);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--index);
  text-decoration: none;
  border-bottom: 1px solid var(--steel);
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-contact .pc-channel__act:hover,
.page-contact .pc-channel__act:focus-visible {
  color: var(--paper);
  border-color: var(--flame);
}

/* ---------- 主体 + 侧栏 ---------- */
.page-contact .pc-body {
  display: grid;
  gap: clamp(30px, 5vw, 52px);
  margin-top: clamp(44px, 7vw, 84px);
}

.page-contact .pc-body__main {
  min-width: 0;
}

.page-contact .pc-body__main .pc-section:first-child {
  margin-top: 0;
}

/* ---------- 纸质纠错卡 ---------- */
.page-contact .pc-paper {
  background: var(--paper);
  color: var(--pc-paper-ink);
  border: 1px solid #C9C4B4;
  border-radius: var(--r-md);
  padding: clamp(22px, 3.4vw, 34px);
  box-shadow: 7px 9px 0 -3px rgba(28, 42, 58, 0.9);
}

.page-contact .pc-paper__lead {
  margin: 0 0 20px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--pc-paper-mute);
}

.page-contact .pc-steps {
  list-style: none;
  counter-reset: pcstep;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .pc-steps li {
  position: relative;
  padding-left: 40px;
  font-size: 0.88rem;
  line-height: 1.8;
  color: var(--pc-paper-ink);
}

.page-contact .pc-steps li strong {
  font-weight: 600;
  color: #0A1220;
}

.page-contact .pc-steps li::before {
  counter-increment: pcstep;
  content: counter(pcstep, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 0.16em;
  width: 26px;
  height: 24px;
  display: grid;
  place-items: center;
  font-family: var(--font-num);
  font-size: 0.72rem;
  color: var(--clay);
  border: 1px solid rgba(196, 87, 46, 0.5);
  border-radius: var(--r-sm);
}

.page-contact .pc-sample {
  margin: 22px 0 0;
  padding: 12px 14px;
  background: var(--ink-2);
  color: var(--lime);
  border-left: 3px solid var(--flame);
  border-radius: var(--r-sm);
  font-family: var(--font-num);
  font-size: 0.75rem;
  line-height: 1.8;
  overflow-wrap: anywhere;
}

.page-contact .pc-sample__k {
  display: block;
  margin-bottom: 4px;
  font-size: 0.66rem;
  letter-spacing: 0.16em;
  color: var(--index);
}

.page-contact .pc-paper__foot {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed rgba(85, 99, 122, 0.45);
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--pc-paper-mute);
}

.page-contact .pc-urgent__media {
  margin: clamp(18px, 3vw, 26px) 0 0;
  border: 1px solid var(--steel);
  background: var(--ink-2);
}

/* ---------- 轮值表 ---------- */
.page-contact .pc-hours {
  margin: 0;
  border-top: 1px solid var(--steel);
}

.page-contact .pc-hour {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--steel);
}

.page-contact .pc-hour dt {
  font-family: var(--font-num);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--index);
}

.page-contact .pc-hour dd {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .pc-hour dd strong {
  color: var(--paper);
  font-weight: 600;
  font-variant-numeric: tabular-nums;
}

/* ---------- 合作流程 ---------- */
.page-contact .pc-intro {
  margin: 0 0 22px;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--rock);
  max-width: 34em;
}

.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0 0 0 26px;
  position: relative;
  display: grid;
  gap: 22px;
}

.page-contact .pc-flow::before {
  content: "";
  position: absolute;
  left: 8px;
  top: 8px;
  bottom: 10px;
  width: 1px;
  background: linear-gradient(to bottom, var(--flame), var(--steel) 70%);
}

.page-contact .pc-flow li {
  position: relative;
}

.page-contact .pc-flow li::before {
  content: "";
  position: absolute;
  left: -22px;
  top: 0.5em;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink);
  border: 1px solid var(--flame);
}

.page-contact .pc-flow h3 {
  margin: 0 0 4px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1.04rem;
  line-height: 1.3;
  color: var(--paper);
}

.page-contact .pc-flow p {
  margin: 0;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .pc-inline-links {
  margin: 26px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--steel);
  font-size: 0.85rem;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .pc-inline-links a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-deep);
}

.page-contact .pc-inline-links a:hover,
.page-contact .pc-inline-links a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

/* ---------- 侧栏 ---------- */
.page-contact .pc-aside {
  display: grid;
  gap: 16px;
  align-content: start;
}

.page-contact .pc-aside-card {
  border: 1px solid var(--steel);
  border-radius: var(--r-md);
  padding: clamp(18px, 3vw, 22px);
  background: linear-gradient(180deg, rgba(16, 26, 40, 0.96), rgba(16, 26, 40, 0.68));
}

.page-contact .pc-status {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 8px;
  font-family: var(--font-num);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--lime);
}

.page-contact .pc-status__dot {
  width: 8px;
  height: 8px;
  flex: none;
  border-radius: 50%;
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(61, 255, 154, 0.14);
  animation: pc-pulse 2.4s var(--ease) infinite;
}

@keyframes pc-pulse {
  0%, 100% { opacity: 1; transform: scale(1); }
  50% { opacity: 0.45; transform: scale(0.8); }
}

.page-contact .pc-aside-card__note {
  margin: 0 0 16px;
  font-size: 0.8rem;
  line-height: 1.75;
  color: var(--rock);
}

.page-contact .pc-aside-rows {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--steel);
  display: grid;
  gap: 10px;
}

.page-contact .pc-aside-rows > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 12px;
}

.page-contact .pc-aside-rows dt {
  font-size: 0.78rem;
  color: var(--rock);
}

.page-contact .pc-aside-rows dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: 0.78rem;
  color: var(--paper);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.page-contact .pc-aside-card__title {
  margin: 0 0 12px;
  font-family: var(--font-num);
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  color: var(--clay);
  text-transform: uppercase;
}

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

.page-contact .pc-aside-links li {
  display: grid;
  gap: 2px;
}

.page-contact .pc-aside-links a {
  font-size: 0.86rem;
  color: var(--index);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  justify-self: start;
}

.page-contact .pc-aside-links a:hover,
.page-contact .pc-aside-links a:focus-visible {
  color: var(--paper);
  border-color: var(--steel);
}

.page-contact .pc-aside-links span {
  font-size: 0.74rem;
  line-height: 1.6;
  color: var(--rock);
}

/* ---------- 联系信息 ---------- */
.page-contact .pc-reach {
  display: grid;
  gap: clamp(26px, 4vw, 44px);
  margin-top: clamp(48px, 8vw, 92px);
  scroll-margin-top: 110px;
}

.page-contact .pc-contact-list {
  margin: 0;
  border-top: 1px solid var(--steel);
}

.page-contact .pc-contact-row {
  display: grid;
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--steel);
}

.page-contact .pc-contact-row dt {
  font-family: var(--font-num);
  font-size: 0.7rem;
  letter-spacing: 0.14em;
  color: var(--rock);
  text-transform: uppercase;
}

.page-contact .pc-contact-row dd {
  margin: 0;
  font-family: var(--font-num);
  font-size: clamp(0.86rem, 2.6vw, 1rem);
  line-height: 1.6;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .pc-contact-row a {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid var(--lime-deep);
}

.page-contact .pc-contact-row a:hover,
.page-contact .pc-contact-row a:focus-visible {
  color: var(--paper);
  border-color: var(--paper);
}

.page-contact .pc-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--steel);
  background: rgba(28, 42, 58, 0.55);
  font-size: 0.84rem;
  line-height: 1.8;
  color: var(--rock);
}

.page-contact .pc-note--amber {
  margin-top: 12px;
  border-left-color: var(--amber);
  background: rgba(232, 163, 61, 0.08);
  color: #D9C9A6;
}

.page-contact .pc-reach__side {
  border: 1px solid var(--steel);
  border-radius: var(--r-md);
  padding: clamp(18px, 3vw, 24px);
  background: var(--ink-2);
  align-self: start;
}

.page-contact .pc-side-title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 600;
  font-size: 1rem;
  color: var(--paper);
}

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

.page-contact .pc-prefix li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 10px;
  font-size: 0.78rem;
  line-height: 1.7;
  color: var(--rock);
  padding-bottom: 12px;
  border-bottom: 1px solid var(--steel);
}

.page-contact .pc-prefix li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-prefix__tag {
  font-family: var(--font-num);
  font-size: 0.76rem;
  letter-spacing: 0.04em;
  color: var(--flame);
  border: 1px solid rgba(255, 90, 43, 0.4);
  border-radius: var(--r-sm);
  padding: 2px 8px;
  flex: none;
}

.page-contact .pc-side-foot {
  margin: 16px 0 0;
  font-size: 0.76rem;
  line-height: 1.7;
  color: var(--rock);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-hour {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 4px 20px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    gap: clamp(34px, 5vw, 62px);
  }
  .page-contact .pc-paper {
    transform: rotate(-0.5deg);
  }
  .page-contact .pc-reach {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-contact .pc-body {
    grid-template-columns: minmax(0, 1fr) 288px;
    align-items: start;
  }
  .page-contact .pc-aside {
    position: sticky;
    top: 110px;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-channels {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: clamp(16px, 2vw, 24px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-status__dot {
    animation: none;
  }
  .page-contact .pc-channel,
  .page-contact .pc-paper {
    transition: none;
    transform: none;
  }
  .page-contact .pc-hero__media {
    transform: none;
  }
}
<<<END>>>