.page-contact {
  --pc-white: #ffffff;
  --pc-gap: clamp(1.25rem, 5vw, 2.75rem);
  display: block;
  background: var(--paper-100);
  color: var(--ink-900);
}

.page-contact .breadcrumb {
  padding-top: 28px;
}

.page-contact .contact-head {
  padding: 18px 0 4px;
}

.page-contact .page-head__kicker {
  color: var(--mint-500);
}

.page-contact .page-head__title {
  margin: 10px 0 0;
  max-width: 20ch;
  font-family: var(--font-serif);
  font-size: clamp(1.85rem, 6.4vw, 3rem);
  font-weight: 600;
  line-height: 1.22;
  letter-spacing: .01em;
  color: var(--tile-900);
}

.page-contact .page-head__lede {
  margin-top: 16px;
  max-width: 58ch;
  font-size: 1.03rem;
  line-height: 1.85;
  color: var(--ink-600);
}

/* ---------- 顶部图 ---------- */
.page-contact .contact-hero {
  margin: 30px 0 0;
}

.page-contact .contact-hero .figure__frame {
  border: var(--hairline);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
  background: var(--paper-200);
}

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

/* ---------- 章节通用 ---------- */
.page-contact .section {
  padding-top: clamp(2.75rem, 8vw, 4.5rem);
}

.page-contact .section__num {
  color: var(--amber-500);
}

.page-contact .section__title {
  font-family: var(--font-serif);
  color: var(--tile-900);
}

.page-contact .section__lede {
  color: var(--ink-600);
}

/* ---------- 01 两条直接通道 ---------- */
.page-contact .channel-pair {
  display: grid;
  gap: 18px;
  margin-top: 30px;
}

.page-contact .channel {
  position: relative;
  padding: 26px 22px 24px 26px;
  border: var(--hairline);
  border-radius: var(--radius-card);
  background: var(--pc-white);
  box-shadow: var(--shadow-soft);
  overflow: hidden;
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 5px;
  background: var(--tile-600);
}

.page-contact .channel--phone::before {
  background: var(--amber-500);
}

.page-contact .channel__label {
  margin: 0;
  font-family: var(--font-sans);
  font-size: .82rem;
  letter-spacing: .14em;
  color: var(--ink-400);
}

.page-contact .channel__value {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(1.15rem, 4.4vw, 2rem);
  line-height: 1.32;
  letter-spacing: .01em;
  color: var(--tile-900);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .channel--phone .channel__value {
  letter-spacing: .06em;
}

.page-contact .channel__fit {
  margin: 14px 0 0;
  font-size: .97rem;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-contact .channel__meta {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--blue-050);
  font-size: .86rem;
  color: var(--ink-400);
}

/* ---------- 02 准备清单 ---------- */
.page-contact .prep-split {
  display: grid;
  gap: 30px;
  margin-top: 30px;
}

.page-contact .checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 20px;
}

.page-contact .checklist__item {
  display: grid;
  grid-template-columns: 24px 1fr;
  gap: 14px;
  align-items: start;
  padding-bottom: 20px;
  border-bottom: 1px solid var(--blue-050);
}

.page-contact .checklist__item:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .checklist__box {
  position: relative;
  width: 24px;
  height: 24px;
  margin-top: 2px;
  border: 1.5px solid var(--mint-500);
  border-radius: 6px;
  background: var(--mint-150);
}

.page-contact .checklist__box::after {
  content: "";
  position: absolute;
  left: 7px;
  top: 3px;
  width: 7px;
  height: 12px;
  border-right: 2px solid var(--mint-500);
  border-bottom: 2px solid var(--mint-500);
  transform: rotate(42deg);
}

.page-contact .checklist__title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: 1.06rem;
  font-weight: 600;
  line-height: 1.5;
  color: var(--tile-900);
}

.page-contact .checklist__desc {
  margin: 6px 0 0;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-contact .checklist__desc a,
.page-contact .fix-card__note a,
.page-contact .post-block__hint a,
.page-contact .panel__list a,
.page-contact .reply-cell__desc a {
  color: var(--tile-600);
  text-decoration: underline;
  text-decoration-color: var(--tile-300);
  text-underline-offset: 3px;
}

.page-contact .checklist__desc a:hover,
.page-contact .fix-card__note a:hover,
.page-contact .post-block__hint a:hover,
.page-contact .panel__list a:hover,
.page-contact .reply-cell__desc a:hover {
  color: var(--amber-500);
  text-decoration-color: var(--amber-500);
}

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

.page-contact .prep-figure .figure__frame {
  border: var(--hairline);
  border-radius: var(--radius-card);
  overflow: hidden;
  background: var(--paper-200);
  box-shadow: var(--shadow-soft);
}

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

.page-contact .prep-figure .figure__caption {
  margin-top: 12px;
  font-size: .86rem;
  line-height: 1.7;
  color: var(--ink-400);
}

/* ---------- 03 主题写法标签页 ---------- */
.page-contact .route-tabs {
  margin-top: 26px;
}

.page-contact .route-tabs .tabs__list {
  display: flex;
  gap: 2px;
  overflow-x: auto;
  border-bottom: 1px solid var(--tile-300);
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-contact .route-tabs .tabs__tab {
  flex: 0 0 auto;
  appearance: none;
  background: transparent;
  border: 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -1px;
  padding: 11px 15px;
  font-family: var(--font-serif);
  font-size: .98rem;
  color: var(--ink-400);
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .route-tabs .tabs__tab:hover {
  color: var(--tile-600);
}

.page-contact .route-tabs .tabs__tab[aria-selected="true"] {
  color: var(--tile-900);
  border-bottom-color: var(--amber-500);
}

.page-contact .route-tabs .tabs__tab:focus-visible {
  outline: 2px solid var(--tile-600);
  outline-offset: 2px;
  border-radius: 4px;
}

.page-contact .route-panel {
  padding: 24px 0 0;
}

.page-contact .panel__subject {
  margin: 0;
  font-size: .95rem;
  line-height: 1.7;
  color: var(--ink-600);
}

.page-contact .panel__subject-mono {
  display: inline-block;
  margin-top: 4px;
  padding: 5px 12px;
  border: 1px solid var(--tile-300);
  border-radius: var(--radius-pill);
  background: var(--amber-150);
  font-family: var(--font-mono);
  font-size: .88rem;
  color: var(--tile-900);
  overflow-wrap: anywhere;
}

.page-contact .panel__list {
  margin: 18px 0 0;
  padding: 0 0 0 1.1em;
  display: grid;
  gap: 12px;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-contact .panel__list li::marker {
  color: var(--mint-500);
}

/* ---------- 04 纠错与授权 ---------- */
.page-contact .fix-pair {
  display: grid;
  gap: 20px;
  margin-top: 30px;
}

.page-contact .fix-card {
  padding: 26px 22px;
  border: var(--hairline);
  border-radius: var(--radius-card);
  background: var(--pc-white);
  box-shadow: var(--shadow-soft);
  border-top: 4px solid var(--amber-500);
}

.page-contact .fix-card--blue {
  border-top-color: var(--tile-600);
}

.page-contact .fix-card__tag {
  display: inline-block;
}

.page-contact .fix-card__title {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: 1.14rem;
  font-weight: 600;
  line-height: 1.55;
  color: var(--tile-900);
}

.page-contact .fix-card__list {
  margin: 16px 0 0;
  padding: 0 0 0 1.1em;
  display: grid;
  gap: 10px;
  font-size: .96rem;
  line-height: 1.8;
  color: var(--ink-600);
}

.page-contact .fix-card__list li::marker {
  color: var(--tile-600);
}

.page-contact .fix-card__note {
  margin: 18px 0 0;
  padding: 14px 16px;
  border-left: 3px solid var(--mint-500);
  border-radius: 0 8px 8px 0;
  background: var(--mint-150);
  font-size: .92rem;
  line-height: 1.8;
  color: var(--tile-900);
}

/* ---------- 05 来信与寄送 ---------- */
.page-contact .post-block {
  margin-top: 28px;
  padding: 28px 24px;
  border: var(--hairline);
  border-radius: var(--radius-card);
  background: var(--blue-050);
  box-shadow: var(--shadow-soft);
}

.page-contact .post-block__label {
  margin: 0;
  font-family: var(--font-sans);
  font-size: .82rem;
  letter-spacing: .14em;
  color: var(--tile-600);
}

.page-contact .post-block__line {
  margin: 12px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.15rem, 4.6vw, 1.55rem);
  font-weight: 600;
  line-height: 1.55;
  color: var(--tile-900);
}

.page-contact .post-block__hint {
  margin: 16px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--tile-300);
  font-size: .96rem;
  line-height: 1.85;
  color: var(--ink-600);
}

/* ---------- 06 回复时间 ---------- */
.page-contact .contact-reply {
  margin-top: clamp(2.75rem, 8vw, 4.5rem);
  padding-bottom: clamp(3rem, 9vw, 5rem);
}

.page-contact .reply-inner {
  padding: clamp(28px, 6vw, 46px) clamp(22px, 5vw, 44px);
  border: var(--hairline);
  border-radius: var(--radius-card);
  background: linear-gradient(180deg, var(--paper-100) 0%, var(--mint-150) 100%);
  box-shadow: var(--shadow-soft);
}

.page-contact .reply-mark {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(2.2rem, 9vw, 3.4rem);
  line-height: 1;
  letter-spacing: .02em;
  color: var(--amber-500);
}

.page-contact .reply-title {
  margin: 16px 0 0;
  font-family: var(--font-serif);
  font-size: clamp(1.4rem, 4.8vw, 1.9rem);
  font-weight: 600;
  line-height: 1.4;
  color: var(--tile-900);
}

.page-contact .reply-lede {
  margin: 14px 0 0;
  max-width: 62ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-contact .reply-grid {
  margin-top: 26px;
  display: grid;
  gap: 18px;
}

.page-contact .reply-cell {
  padding: 20px 20px 22px;
  border: 1px solid var(--tile-300);
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, .74);
}

.page-contact .reply-cell__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(1.9rem, 7vw, 2.6rem);
  line-height: 1;
  color: var(--tile-600);
}

.page-contact .reply-cell__title {
  margin: 10px 0 0;
  font-family: var(--font-serif);
  font-size: 1.04rem;
  font-weight: 600;
  color: var(--tile-900);
}

.page-contact .reply-cell__desc {
  margin: 8px 0 0;
  font-size: .95rem;
  line-height: 1.82;
  color: var(--ink-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .channel-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }

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

@media (min-width: 900px) {
  .page-contact .breadcrumb {
    padding-top: 40px;
  }

  .page-contact .contact-head {
    padding-top: 26px;
  }

  .page-contact .prep-split {
    grid-template-columns: minmax(0, 1.18fr) minmax(0, .82fr);
    gap: 46px;
    align-items: start;
  }

  .page-contact .prep-figure {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-contact .fix-pair {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .channel {
    padding: 30px 28px 28px 32px;
  }

  .page-contact .route-panel {
    padding-top: 28px;
  }
}

@media (min-width: 1180px) {
  .page-contact .contact-head {
    padding-right: 12%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .route-tabs .tabs__tab {
    transition: none;
  }
}
<<<END>>>