.page-contact {
  background: var(--ice);
  color: var(--ink);
  font-family: var(--font-body);
  font-size: var(--step-body);
  line-height: 1.75;
}

.page-contact .pc-shell {
  padding-top: clamp(0.75rem, 2vw, 1.5rem);
  padding-bottom: clamp(2.5rem, 7vw, 5rem);
}

.page-contact .pc-crumbs {
  font-size: var(--step-caption);
  margin-bottom: clamp(1rem, 3vw, 1.75rem);
}

.page-contact .pc-crumbs .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  color: var(--slate-deep);
}

.page-contact .pc-crumbs .breadcrumbs__link {
  color: var(--ink-soft);
  text-decoration: none;
  border-bottom: 1px solid var(--line-ink-strong);
}

.page-contact .pc-crumbs .breadcrumbs__link:hover,
.page-contact .pc-crumbs .breadcrumbs__link:focus-visible {
  border-bottom-color: var(--cyan-deep);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-intro {
  display: grid;
  gap: 1.25rem;
  padding-bottom: clamp(1.75rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line-ink);
}

.page-contact .pc-eyebrow {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-deep);
}

.page-contact .pc-intro__title {
  margin: 0.45rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(2rem, 7.5vw, 3.5rem);
  line-height: 1.04;
  letter-spacing: -0.01em;
  text-wrap: balance;
}

.page-contact .pc-intro__lead {
  margin: 0.9rem 0 0;
  max-width: 46ch;
  color: var(--ink-soft);
}

.page-contact .pc-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.25rem;
}

.page-contact .pc-status {
  position: relative;
  overflow: hidden;
  padding: 1.15rem 1.15rem 1.3rem;
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--ice);
  box-shadow: var(--shadow-lift);
}

.page-contact .pc-status::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), rgba(24, 214, 196, 0) 70%);
}

.page-contact .pc-status__label {
  margin: 0.35rem 0 0;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--frost);
}

.page-contact .pc-status__clock {
  margin: 0.15rem 0 0;
  font-size: clamp(1.6rem, 6.5vw, 2.15rem);
  line-height: 1.1;
  color: var(--cyan);
  letter-spacing: 0.02em;
}

.page-contact .pc-status__clock span {
  padding: 0 0.25rem;
  color: var(--slate);
}

.page-contact .pc-status__sub {
  margin: 0.2rem 0 0;
  font-size: var(--step-caption);
  color: var(--frost);
}

.page-contact .pc-status__ticks {
  display: flex;
  gap: 4px;
  margin: 0.9rem 0;
}

.page-contact .pc-status__ticks span {
  flex: 1 1 auto;
  height: 14px;
  background: rgba(244, 247, 248, 0.22);
}

.page-contact .pc-status__ticks span:nth-child(3n) {
  background: rgba(24, 214, 196, 0.65);
}

.page-contact .pc-status__urgent {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.45rem;
  margin: 0;
  font-size: var(--step-caption);
  line-height: 1.6;
  color: var(--frost);
}

.page-contact .tag {
  display: inline-block;
  padding: 0.12rem 0.45rem;
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
  line-height: 1.6;
}

/* ---------- 章节头 ---------- */
.page-contact .section {
  margin-top: clamp(2.25rem, 6vw, 3.75rem);
}

.page-contact .pc-head {
  display: grid;
  gap: 0.4rem;
  max-width: 62ch;
  margin-bottom: 1.15rem;
}

.page-contact .pc-head__top {
  display: flex;
  align-items: center;
  gap: 0.55rem;
}

.page-contact .pc-head__index {
  display: inline-block;
  padding: 0.05rem 0.45rem;
  border-radius: 2px;
  background: var(--ink);
  color: var(--cyan);
  font-size: 0.75rem;
  line-height: 1.7;
}

.page-contact .pc-head__eyebrow {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--slate-deep);
}

.page-contact .pc-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-h2);
  line-height: 1.1;
}

.page-contact .pc-head__note {
  margin: 0;
  color: var(--ink-soft);
  font-size: 0.9375rem;
  line-height: 1.7;
}

/* ---------- 渠道控制台 ---------- */
.page-contact .pc-console__grid {
  display: grid;
  gap: 1rem;
}

.page-contact .pc-console__cards {
  display: grid;
  gap: 0.85rem;
  min-width: 0;
}

.page-contact .pc-channel {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  min-width: 0;
  padding: 1rem 1rem 1.1rem;
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  background: var(--cream);
  transition: transform 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-contact .pc-channel:hover {
  transform: translateY(-2px);
  box-shadow: var(--shadow-lift);
}

.page-contact .pc-channel--frost {
  background: var(--frost);
  border-color: rgba(11, 27, 43, 0.1);
}

.page-contact .pc-channel--ink {
  background: var(--ink);
  border-color: var(--ink-line);
  color: var(--ice);
}

.page-contact .pc-channel__label {
  margin: 0;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-deep);
}

.page-contact .pc-channel--ink .pc-channel__label {
  color: var(--cyan);
}

.page-contact .pc-channel__value {
  margin: 0;
  font-size: clamp(1rem, 4.4vw, 1.2rem);
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.page-contact .pc-channel__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid var(--line-ink-strong);
}

.page-contact .pc-channel__value a:hover,
.page-contact .pc-channel__value a:focus-visible {
  border-bottom-color: var(--cyan-deep);
}

.page-contact .pc-channel__value--addr {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: clamp(0.98rem, 4vw, 1.08rem);
  line-height: 1.5;
}

.page-contact .pc-channel__value--sm {
  font-family: var(--font-body);
  font-weight: 500;
  color: var(--cyan);
}

.page-contact .pc-channel__text {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-contact .pc-channel--ink .pc-channel__text {
  color: var(--frost);
}

.page-contact .pc-channel__foot {
  margin: auto 0 0;
  padding-top: 0.4rem;
  font-size: 0.75rem;
  letter-spacing: 0.04em;
  color: var(--slate-deep);
}

.page-contact .pc-channel--ink .pc-channel__foot {
  color: var(--frost);
}

.page-contact .pc-channel__link {
  align-self: flex-start;
  margin-top: 0.35rem;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(24, 214, 196, 0.5);
}

.page-contact .pc-channel__link:hover,
.page-contact .pc-channel__link:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-contact .pc-console__side {
  display: grid;
  gap: 0.85rem;
  align-content: start;
}

.page-contact .pc-console__bar {
  display: flex;
  gap: 0.6rem;
  align-items: flex-start;
  padding: 0.8rem 0.9rem;
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  background: var(--cream);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

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

.page-contact .pc-console__dot {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 0.55rem;
  border-radius: 50%;
  background: var(--cyan);
}

/* ---------- 图片容器 ---------- */
.page-contact .pc-figure {
  margin: 0;
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  background: linear-gradient(135deg, var(--frost), var(--cream));
}

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

.page-contact .pc-figure--wide img {
  aspect-ratio: 3 / 2;
}

.page-contact .pc-figure--tall img {
  aspect-ratio: 3 / 4;
}

.page-contact .pc-figure--tall figcaption {
  padding: 0.6rem 0.75rem;
  font-size: var(--step-caption);
  line-height: 1.5;
  color: var(--frost);
  background: rgba(11, 27, 43, 0.82);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-prep {
  padding: clamp(1rem, 3vw, 1.75rem);
  border-radius: var(--radius);
  background: var(--frost);
  border: 1px solid rgba(11, 27, 43, 0.09);
}

.page-contact .pc-prep__grid {
  display: grid;
  gap: 1rem;
}

.page-contact .pc-checklist {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
}

.page-contact .pc-checklist__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.75rem;
  align-items: start;
  padding: 0.85rem 0.9rem;
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  background: var(--ice);
  transition: border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-contact .pc-checklist__item:has(.pc-checklist__box:checked) {
  border-color: var(--moss);
  background: var(--cream);
}

.page-contact .pc-checklist__box {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin: 0.15rem 0 0;
  border: 1.5px solid var(--line-ink-strong);
  border-radius: 2px;
  background: var(--ice);
  cursor: pointer;
}

.page-contact .pc-checklist__box:checked {
  background: var(--cyan);
  border-color: var(--cyan-deep);
}

.page-contact .pc-checklist__box:checked::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 6px;
  height: 11px;
  border-right: 2px solid var(--ink);
  border-bottom: 2px solid var(--ink);
  transform: rotate(40deg);
}

.page-contact .pc-checklist__box:focus-visible {
  outline: 2px solid var(--cyan-deep);
  outline-offset: 2px;
}

.page-contact .pc-checklist__body {
  display: block;
  cursor: pointer;
  min-width: 0;
}

.page-contact .pc-checklist__top {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 0.5rem;
}

.page-contact .pc-checklist__num {
  font-size: 0.75rem;
  color: var(--clay);
  letter-spacing: 0.06em;
}

.page-contact .pc-checklist__title {
  font-weight: 500;
}

.page-contact .pc-checklist__text {
  display: block;
  margin-top: 0.2rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-contact .pc-prep__aside {
  display: grid;
  gap: 0.75rem;
  align-content: start;
}

.page-contact .pc-tip {
  padding: 0.9rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--line-ink);
  border-left: 3px solid var(--cyan-deep);
  background: var(--ice);
}

.page-contact .pc-tip--plain {
  border-left-color: var(--moss);
  background: var(--cream);
}

.page-contact .pc-tip__label {
  margin: 0 0 0.45rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-deep);
}

.page-contact .pc-tip__line {
  display: grid;
  grid-template-columns: 4.2rem minmax(0, 1fr);
  gap: 0.5rem;
  margin: 0 0 0.35rem;
  font-size: 0.875rem;
  line-height: 1.6;
}

.page-contact .pc-tip__line .mono {
  font-size: 0.75rem;
  color: var(--clay);
}

.page-contact .pc-tip__text {
  margin: 0 0 0.6rem;
  font-size: 0.9rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-contact .pc-tip__link {
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--moss);
}

.page-contact .pc-tip__link:hover,
.page-contact .pc-tip__link:focus-visible {
  border-bottom-color: var(--cyan-deep);
}

/* ---------- 急件通道 ---------- */
.page-contact .pc-urgent__panel {
  position: relative;
  overflow: hidden;
  display: grid;
  gap: 1.25rem;
  padding: clamp(1.1rem, 3vw, 2rem);
  border-radius: var(--radius);
  background: var(--ink);
  color: var(--ice);
}

.page-contact .pc-urgent__panel::after {
  content: "";
  position: absolute;
  inset: auto -20% -40% auto;
  width: 60%;
  height: 60%;
  background: repeating-linear-gradient(
    115deg,
    rgba(24, 214, 196, 0.16) 0,
    rgba(24, 214, 196, 0.16) 2px,
    transparent 2px,
    transparent 14px
  );
  pointer-events: none;
}

.page-contact .pc-urgent__body {
  position: relative;
  z-index: 1;
  min-width: 0;
}

.page-contact .pc-urgent__title {
  margin: 0.6rem 0 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-h2);
  line-height: 1.08;
  color: var(--ice);
}

.page-contact .pc-urgent__lead {
  margin: 0.7rem 0 1rem;
  max-width: 46ch;
  font-size: 0.95rem;
  line-height: 1.7;
  color: var(--frost);
}

.page-contact .pc-urgent__list {
  display: grid;
  gap: 0;
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-contact .pc-urgent__list li {
  display: grid;
  grid-template-columns: 1.5rem minmax(0, 1fr);
  gap: 0.5rem;
  padding: 0.55rem 0;
  border-top: 1px solid var(--line-ice);
  font-size: 0.9375rem;
  line-height: 1.6;
}

.page-contact .pc-urgent__list .mono {
  color: var(--cyan);
  font-size: 0.8rem;
}

.page-contact .pc-urgent__note {
  margin: 0 0 1.1rem;
  max-width: 52ch;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--frost);
}

.page-contact .pc-urgent__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
}

.page-contact .pc-urgent .pc-figure {
  position: relative;
  z-index: 1;
  align-self: stretch;
  background: var(--ink-soft);
}

/* ---------- 合作与纠错 ---------- */
.page-contact .pc-coop__grid {
  display: grid;
  gap: 1rem;
}

.page-contact .pc-panel {
  padding: 1.1rem 1.1rem 1.25rem;
  border: 1px solid var(--line-ink);
  border-left: 4px solid var(--clay);
  border-radius: var(--radius);
  background: var(--cream);
  min-width: 0;
}

.page-contact .pc-panel--moss {
  border-left-color: var(--moss);
  background: var(--ice);
}

.page-contact .pc-panel__title {
  margin: 0.7rem 0 0.55rem;
  font-size: var(--step-h3);
  font-weight: 500;
  line-height: 1.4;
}

.page-contact .pc-panel__text {
  margin: 0 0 0.7rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .pc-list {
  display: grid;
  gap: 0.4rem;
  margin: 0 0 0.9rem;
  padding: 0;
  list-style: none;
}

.page-contact .pc-list li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-contact .pc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan-deep);
}

.page-contact .pc-panel__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.82rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--clay);
}

.page-contact .pc-panel__link:hover,
.page-contact .pc-panel__link:focus-visible {
  border-bottom-color: var(--cyan-deep);
}

.page-contact .pc-panel__note {
  margin: 0;
  padding-top: 0.6rem;
  border-top: 1px solid var(--line-ink);
  font-size: 0.875rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 回复与隐私 ---------- */
.page-contact .pc-response__grid {
  display: grid;
  gap: 1rem;
}

.page-contact .pc-acc {
  display: grid;
  gap: 0.55rem;
  min-width: 0;
}

.page-contact .pc-acc__item {
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  background: var(--ice);
  overflow: hidden;
}

.page-contact .pc-acc__item[open] {
  background: var(--cream);
  border-color: var(--line-ink-strong);
}

.page-contact .pc-acc__q {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1rem;
  cursor: pointer;
  font-weight: 500;
  line-height: 1.55;
  list-style: none;
}

.page-contact .pc-acc__q::-webkit-details-marker {
  display: none;
}

.page-contact .pc-acc__q::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1.4;
  color: var(--cyan-deep);
}

.page-contact .pc-acc__item[open] .pc-acc__q::after {
  content: "–";
}

.page-contact .pc-acc__q:focus-visible {
  outline: 2px solid var(--cyan-deep);
  outline-offset: -2px;
}

.page-contact .pc-acc__a {
  padding: 0 1rem 0.95rem;
}

.page-contact .pc-acc__a p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ink-soft);
}

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

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

.page-contact .pc-timing {
  padding: 1rem 1.05rem 1.15rem;
  border-radius: var(--radius);
  background: var(--cream);
  border: 1px solid var(--line-ink);
}

.page-contact .pc-timing__label {
  margin: 0 0 0.5rem;
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--slate-deep);
}

.page-contact .pc-timing__list {
  display: grid;
  gap: 0;
  margin: 0 0 0.85rem;
  padding: 0;
  list-style: none;
}

.page-contact .pc-timing__list li {
  display: grid;
  gap: 0.1rem;
  padding: 0.6rem 0;
  border-top: 1px solid var(--line-ink);
}

.page-contact .pc-timing__list .mono {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--clay);
}

.page-contact .pc-timing__list strong {
  font-weight: 500;
  font-size: 0.9375rem;
  line-height: 1.55;
}

.page-contact .pc-timing__note {
  margin: 0 0 0.85rem;
  font-size: 0.875rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-contact .pc-timing__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem 1rem;
  padding-top: 0.7rem;
  border-top: 1px solid var(--line-ink);
}

.page-contact .pc-timing__links a {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid var(--line-ink-strong);
}

.page-contact .pc-timing__links a:hover,
.page-contact .pc-timing__links a:focus-visible {
  border-bottom-color: var(--cyan-deep);
}

/* ---------- 结尾 ---------- */
.page-contact .pc-tail {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  margin-top: clamp(2rem, 5vw, 3.25rem);
  padding: clamp(1.1rem, 3vw, 1.75rem);
  border: 1px solid var(--line-ink);
  border-radius: var(--radius);
  background: linear-gradient(180deg, var(--cream), var(--frost));
}

.page-contact .pc-tail__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: var(--step-h3);
  line-height: 1.2;
}

.page-contact .pc-tail__text {
  margin: 0;
  max-width: 58ch;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--ink-soft);
}

.page-contact .pc-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 0.35rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-console__cards,
  .page-contact .pc-coop__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .pc-tail {
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: space-between;
  }

  .page-contact .pc-tail__title {
    flex: 1 1 100%;
  }

  .page-contact .pc-tail__text {
    flex: 1 1 22rem;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-intro {
    grid-template-columns: minmax(0, 1.6fr) minmax(0, 1fr);
    align-items: end;
    gap: clamp(1.5rem, 4vw, 3rem);
  }

  .page-contact .pc-console__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: 1.25rem;
    align-items: start;
  }

  .page-contact .pc-prep__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 1.25rem;
    align-items: start;
  }

  .page-contact .pc-urgent__panel {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    align-items: stretch;
    gap: 1.75rem;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-response__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 4fr);
    gap: 1.5rem;
    align-items: start;
  }

  .page-contact .pc-response__aside {
    position: sticky;
    top: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-checklist__item {
    transition: none;
  }

  .page-contact .pc-channel:hover {
    transform: none;
  }
}
<<<END>>>