.page-contact {
  --pc-ink-soft: #2F4A45;
  --pc-pad-y: 52px;
  background: var(--c-paper);
  color: var(--c-ink);
  font-family: var(--font-body);
}

.page-contact *,
.page-contact *::before,
.page-contact *::after {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 52px;
  background: var(--c-ink);
  color: var(--c-paper);
  border-bottom: 1px solid var(--line-dark);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(134, 200, 216, 0.06) 1px, transparent 1px),
    linear-gradient(90deg, rgba(134, 200, 216, 0.06) 1px, transparent 1px);
  background-size: 26px 26px;
  pointer-events: none;
}

.page-contact .pc-hero > .wrap {
  position: relative;
  z-index: 1;
}

.page-contact .pc-hero .breadcrumb {
  margin: 0 0 30px;
}

.page-contact .pc-hero .breadcrumb a {
  color: var(--c-lake-soft);
  text-decoration: none;
}

.page-contact .pc-hero .breadcrumb a:hover,
.page-contact .pc-hero .breadcrumb a:focus-visible {
  color: var(--c-signal);
  text-decoration: underline;
}

.page-contact .pc-hero .breadcrumb [aria-current="page"] {
  color: var(--c-paper);
}

.page-contact .pc-hero-grid {
  display: grid;
  gap: 34px;
}

.page-contact .pc-hero .section-label {
  color: var(--c-mustard);
}

.page-contact .pc-title {
  margin: 10px 0 18px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.01em;
}

.page-contact .pc-lede {
  max-width: 46ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.78;
  color: var(--c-lake-soft);
}

.page-contact .pc-hero-meta {
  margin: 0;
  border-top: 1px solid var(--line-dark);
}

.page-contact .pc-hero-meta > div {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 18px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-dark-soft);
}

.page-contact .pc-hero-meta dt {
  flex: 0 0 auto;
  font-size: 13px;
  color: var(--c-stone);
}

.page-contact .pc-hero-meta dd {
  margin: 0;
  font-size: 13px;
  text-align: right;
  color: var(--c-paper);
}

/* ---------- 主从两栏 ---------- */
.page-contact .pc-split {
  display: grid;
  gap: 44px;
  padding-top: var(--pc-pad-y);
  padding-bottom: var(--pc-pad-y);
}

.page-contact .pc-block + .pc-block {
  margin-top: 54px;
  padding-top: 48px;
  border-top: 1px solid var(--line-soft);
}

.page-contact .pc-intro {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--pc-ink-soft);
}

/* ---------- 渠道条目 ---------- */
.page-contact .pc-channels {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-contact .pc-channel {
  display: grid;
  grid-template-columns: 46px minmax(0, 1fr);
  gap: 14px;
  padding: 24px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-channel-num {
  font-size: 20px;
  line-height: 1.2;
  color: var(--c-lake);
}

.page-contact .pc-channel-name {
  margin: 0 0 6px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 22px;
  letter-spacing: 0.01em;
}

.page-contact .pc-channel-value {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-link);
  word-break: break-word;
}

.page-contact .pc-channel-attrs {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
}

.page-contact .pc-channel-attrs dt {
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--c-moss);
}

.page-contact .pc-channel-attrs dt:first-child {
  margin-top: 0;
}

.page-contact .pc-channel-attrs dd {
  margin: 2px 0 0;
  color: var(--pc-ink-soft);
}

/* ---------- 受理范围表 ---------- */
.page-contact .pc-matrix-wrap {
  margin-top: 30px;
  overflow-x: auto;
  border-top: 1px solid var(--line-strong);
}

.page-contact .pc-matrix {
  width: 100%;
  min-width: 720px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-contact .pc-matrix th,
.page-contact .pc-matrix td {
  padding: 15px 18px 15px 0;
  text-align: left;
  vertical-align: top;
  line-height: 1.68;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-matrix thead th {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 500;
  letter-spacing: 0.14em;
  color: var(--c-lake);
  white-space: nowrap;
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .pc-matrix tbody tr:nth-child(even) {
  background: var(--wash);
}

.page-contact .pc-matrix tbody td:first-child {
  font-weight: 500;
  white-space: nowrap;
  color: var(--c-ink);
}

.page-contact .pc-matrix tbody td:not(:first-child) {
  color: var(--pc-ink-soft);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-checklist {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-contact .pc-check {
  padding: 17px 0 15px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-check-label {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  cursor: pointer;
}

.page-contact .pc-check-input {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  margin: 4px 0 0;
  border: 1px solid var(--c-moss);
  background: transparent;
  display: grid;
  place-content: center;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .pc-check-input::after {
  content: "";
  width: 8px;
  height: 8px;
  background: var(--c-signal);
  transform: scale(0);
  transition: transform var(--dur) var(--ease);
}

.page-contact .pc-check-input:checked::after {
  transform: scale(1);
}

.page-contact .pc-check-input:focus-visible {
  outline: 2px solid var(--c-signal);
  outline-offset: 3px;
}

.page-contact .pc-check-text {
  font-size: 16px;
  font-weight: 500;
  line-height: 1.6;
  transition: color var(--dur) var(--ease);
}

.page-contact .pc-check-input:checked ~ .pc-check-text {
  color: var(--c-stone);
  text-decoration: line-through;
}

.page-contact .pc-check-hint {
  margin: 6px 0 0 32px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-stone);
}

/* ---------- 侧栏草稿 ---------- */
.page-contact .pc-draft {
  padding: 24px 22px 26px;
  background: var(--c-ink);
  color: var(--c-paper);
  border-top: 3px solid var(--c-signal);
}

.page-contact .pc-draft .section-label {
  color: var(--c-mustard);
}

.page-contact .pc-draft-title {
  margin: 8px 0 8px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 24px;
  letter-spacing: 0.01em;
}

.page-contact .pc-draft-note {
  margin: 0 0 22px;
  font-size: 13px;
  line-height: 1.75;
  color: var(--c-lake-soft);
}

.page-contact .pc-field {
  margin-bottom: 18px;
}

.page-contact .pc-field-label {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-stone);
}

.page-contact .pc-input {
  width: 100%;
  padding: 6px 2px 9px;
  background: transparent;
  border: 0;
  border-bottom: 1px solid var(--line-dark);
  border-radius: 0;
  color: var(--c-paper);
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .pc-input::placeholder {
  color: rgba(243, 238, 228, 0.32);
}

.page-contact .pc-input:focus {
  outline: none;
  border-bottom-color: var(--c-signal);
}

.page-contact .pc-input:focus-visible {
  outline: 2px solid var(--c-signal);
  outline-offset: 4px;
}

.page-contact .pc-draft-foot {
  margin: 26px 0 0;
  padding-top: 16px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--c-mustard);
  border-top: 1px solid var(--line-dark-soft);
  word-break: break-all;
}

/* ---------- 处理节奏 ---------- */
.page-contact .pc-band {
  padding: var(--pc-pad-y) 0;
  border-top: 1px solid var(--line-soft);
  background: var(--c-paper);
}

.page-contact .pc-flow-figure {
  margin: 32px 0 0;
  border: 1px solid var(--line-soft);
}

.page-contact .pc-flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  background: var(--wash);
}

.page-contact .pc-steps {
  margin: 38px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-strong);
}

.page-contact .pc-step {
  padding: 22px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .pc-step-num {
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-mustard);
}

.page-contact .pc-step-name {
  margin: 8px 0 9px;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
}

.page-contact .pc-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--pc-ink-soft);
}

/* ---------- 备案与站点信息 ---------- */
.page-contact .pc-legal {
  padding: var(--pc-pad-y) 0 64px;
  background: var(--c-ink);
  color: var(--c-paper);
  border-top: 1px solid var(--line-dark);
}

.page-contact .pc-legal .chapter-code {
  color: var(--c-lake-soft);
}

.page-contact .pc-legal .chapter-title {
  color: var(--c-paper);
}

.page-contact .pc-legal-lede {
  max-width: 58ch;
  margin: 18px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-lake-soft);
}

.page-contact .pc-legal-grid {
  display: grid;
  gap: 40px;
}

.page-contact .pc-legal-list {
  margin: 26px 0 0;
  border-top: 1px solid var(--line-dark);
}

.page-contact .pc-legal-list > div {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 16px;
  align-items: baseline;
  padding: 12px 0;
  border-bottom: 1px solid var(--line-dark-soft);
}

.page-contact .pc-legal-list dt {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-stone);
}

.page-contact .pc-legal-list dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.6;
  word-break: break-word;
}

.page-contact .pc-legal-strong {
  font-size: 15px;
  color: var(--c-mustard);
}

.page-contact .pc-legal-note {
  margin: 24px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-lake-soft);
}

.page-contact .pc-legal-note a {
  color: var(--c-paper);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-color: var(--c-signal);
}

.page-contact .pc-legal-note a:hover,
.page-contact .pc-legal-note a:focus-visible {
  color: var(--c-signal);
}

.page-contact .pc-legal-figure {
  margin: 0;
  border: 1px solid var(--line-dark);
}

.page-contact .pc-legal-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.92;
}

.page-contact .pc-legal-caption {
  display: block;
  padding: 10px 14px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--c-lake-soft);
  border-top: 1px solid var(--line-dark);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .pc-checklist {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 42px;
  }

  .page-contact .pc-steps {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 42px;
  }
}

@media (min-width: 960px) {
  .page-contact {
    --pc-pad-y: 68px;
  }

  .page-contact .pc-hero {
    padding: 30px 0 66px;
  }

  .page-contact .pc-hero-grid {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
    gap: 56px;
    align-items: end;
  }

  .page-contact .pc-legal-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-contact .pc-legal-figure {
    margin-top: 6px;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 0;
  }

  .page-contact .pc-main {
    padding-right: 44px;
  }

  .page-contact .pc-aside {
    padding-left: 44px;
    border-left: 1px solid var(--line-soft);
  }

  .page-contact .pc-aside-inner {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

@media (min-width: 1240px) {
  .page-contact .pc-split {
    grid-template-columns: minmax(0, 1fr) 380px;
  }

  .page-contact .pc-main {
    padding-right: 56px;
  }

  .page-contact .pc-aside {
    padding-left: 56px;
  }
}

@media (max-width: 419px) {
  .page-contact .pc-channel {
    grid-template-columns: 34px minmax(0, 1fr);
    gap: 10px;
  }

  .page-contact .pc-channel-num {
    font-size: 17px;
  }

  .page-contact .pc-check-hint {
    margin-left: 0;
  }

  .page-contact .pc-legal-list > div {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}
<<<END>>>