.page-contact {
  --ct-max: 78rem;
  --ct-gutter: clamp(1.125rem, 4vw, 3rem);
  --ct-line: rgba(14, 27, 42, 0.16);
  --ct-line-dark: rgba(243, 235, 221, 0.22);
  --ct-body-text: #24384d;
  background: var(--paper);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.75;
}

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

.page-contact .ct-wrap {
  width: 100%;
  max-width: var(--ct-max);
  margin-inline: auto;
  padding-inline: var(--ct-gutter);
}

.page-contact a:focus-visible {
  outline: 2px solid var(--red);
  outline-offset: 3px;
}

/* 面包屑 */
.page-contact .ct-crumb {
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.08em;
}

.page-contact .breadcrumb__item {
  color: var(--slate);
}

.page-contact .breadcrumb__item + .breadcrumb__item::before {
  content: "/";
  margin-inline: 0.55rem;
  color: var(--slate);
  opacity: 0.7;
}

.page-contact .breadcrumb__link {
  color: var(--ink);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-contact .breadcrumb__link:hover,
.page-contact .breadcrumb__link:focus-visible {
  color: var(--red);
  border-bottom-color: var(--red);
}

/* 首屏 */
.page-contact .ct-hero {
  background: var(--ink);
  color: var(--warm);
  border-bottom: 1px solid var(--ct-line-dark);
}

.page-contact .ct-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 4vw, 3rem);
  padding-block: clamp(2.25rem, 6vw, 4.5rem);
}

.page-contact .ct-hero__eyebrow {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 0 0 1.1rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.page-contact .ct-hero__eyebrow::before {
  content: "";
  display: block;
  flex: none;
  width: 2.25rem;
  height: 1px;
  background: var(--red);
}

.page-contact .ct-hero__title {
  margin: 0 0 1.15rem;
  max-width: 18ch;
  font-size: clamp(1.9rem, 6vw, 3.5rem);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -0.015em;
}

.page-contact .ct-hero__lede {
  margin: 0;
  max-width: 36rem;
  font-size: clamp(1rem, 1.6vw, 1.08rem);
  line-height: 1.8;
  color: rgba(243, 235, 221, 0.82);
}

.page-contact .ct-hero__meta {
  list-style: none;
  margin: 1.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  max-width: 32rem;
}

.page-contact .ct-hero__meta li {
  display: grid;
  grid-template-columns: minmax(6.5rem, 9rem) minmax(0, 1fr);
  gap: 0.3rem 1rem;
  align-items: baseline;
  padding-block: 0.7rem;
  border-top: 1px solid var(--ct-line-dark);
  font-size: 0.85rem;
  line-height: 1.6;
  color: rgba(243, 235, 221, 0.72);
}

.page-contact .ct-hero__num {
  font-family: var(--font-mono);
  font-size: 0.92rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--gold);
}

.page-contact .ct-hero__figure {
  margin: 0;
  padding: 0.7rem;
  border: 1px solid var(--ct-line-dark);
  background: rgba(251, 246, 236, 0.04);
}

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

.page-contact .ct-hero__cap {
  margin: 0.75rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: var(--slate);
}

/* 正文骨架 */
.page-contact .ct-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-block: clamp(2rem, 5vw, 3.5rem) clamp(2.5rem, 6vw, 4.5rem);
}

.page-contact .ct-index {
  padding-top: 0.9rem;
  border-top: 2px solid var(--ink);
}

.page-contact .ct-index__label {
  margin: 0 0 0.9rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-contact .ct-index__nav {
  display: flex;
  gap: 0.5rem;
  overflow-x: auto;
  padding-bottom: 0.35rem;
  scrollbar-width: thin;
}

.page-contact .ct-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  flex: none;
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--ct-line);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.8rem;
  white-space: nowrap;
  transition: border-color 0.18s ease, color 0.18s ease, background-color 0.18s ease;
}

.page-contact .ct-index__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--red);
}

.page-contact .ct-index__link:hover,
.page-contact .ct-index__link:focus-visible {
  border-color: var(--ink);
}

.page-contact .ct-index__link[aria-current] {
  border-color: var(--red);
  background: rgba(181, 51, 34, 0.07);
  color: var(--red-dark);
  font-weight: 700;
}

.page-contact .ct-sections {
  min-width: 0;
}

.page-contact .ct-section {
  padding-block: clamp(1.75rem, 4vw, 2.75rem);
  scroll-margin-top: 1.5rem;
}

.page-contact .ct-section:first-child {
  padding-top: 0;
}

.page-contact .ct-section + .ct-section {
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-head {
  display: flex;
  align-items: baseline;
  gap: 0.85rem;
  margin-bottom: 1.15rem;
}

.page-contact .ct-head__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(1.35rem, 3vw, 2rem);
  font-weight: 600;
  line-height: 1;
  color: var(--red);
}

.page-contact .ct-head__title {
  margin: 0;
  font-size: clamp(1.28rem, 2.6vw, 1.8rem);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-contact .ct-prose {
  max-width: 42rem;
  margin: 0 0 1.4rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ct-body-text);
}

.page-contact .ct-prose p {
  margin: 0 0 0.9rem;
}

.page-contact .ct-prose p:last-child {
  margin-bottom: 0;
}

.page-contact .ct-prose a {
  color: var(--red-dark);
  text-decoration: none;
  border-bottom: 1px solid rgba(126, 36, 24, 0.4);
  transition: border-color 0.18s ease;
}

.page-contact .ct-prose a:hover,
.page-contact .ct-prose a:focus-visible {
  border-bottom-color: var(--red-dark);
}

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

.page-contact .ct-channel {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.5rem;
  padding-block: 1.3rem;
  border-bottom: 1px solid var(--ct-line);
}

.page-contact .ct-channel__tag {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.12em;
  color: var(--red);
}

.page-contact .ct-channel__body {
  min-width: 0;
}

.page-contact .ct-channel__value {
  margin: 0 0 0.4rem;
  font-family: var(--font-mono);
  font-size: clamp(1.02rem, 2.4vw, 1.35rem);
  font-weight: 600;
  line-height: 1.45;
  letter-spacing: 0.01em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .ct-channel__value--plain {
  font-family: var(--font-sans);
  font-size: clamp(1rem, 2vw, 1.15rem);
  font-weight: 700;
  letter-spacing: 0;
}

.page-contact .ct-channel__note {
  margin: 0;
  max-width: 34rem;
  font-size: 0.92rem;
  line-height: 1.75;
  color: #4a5b6d;
}

/* 邮件模板 */
.page-contact .ct-template {
  margin: 0 0 1.5rem;
  padding: 1.15rem 1.25rem 1.25rem;
  background: var(--midnight);
  border-left: 3px solid var(--red);
  color: var(--warm);
}

.page-contact .ct-template__label {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-contact .ct-template__line {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(0.9rem, 2.2vw, 1.05rem);
  line-height: 1.7;
  color: var(--warm);
  overflow-wrap: anywhere;
}

.page-contact .ct-template__line em {
  font-style: normal;
  color: var(--gold);
}

.page-contact .ct-template__hint {
  margin: 0.75rem 0 0;
  font-size: 0.82rem;
  line-height: 1.7;
  color: rgba(243, 235, 221, 0.68);
}

.page-contact .ct-checklist {
  list-style: none;
  margin: 0 0 1.5rem;
  padding: 0;
  display: grid;
  gap: 0.7rem;
  max-width: 42rem;
}

.page-contact .ct-checklist li {
  display: grid;
  grid-template-columns: 1.1rem minmax(0, 1fr);
  gap: 0.7rem;
  font-size: 0.95rem;
  line-height: 1.75;
  color: var(--ct-body-text);
}

.page-contact .ct-checklist li::before {
  content: "";
  display: block;
  width: 0.55rem;
  height: 0.55rem;
  margin-top: 0.6rem;
  background: var(--red);
}

.page-contact .ct-checklist strong {
  color: var(--ink);
  font-weight: 700;
}

.page-contact .ct-figure {
  margin: 1.6rem 0 0;
  padding: 0.7rem;
  border: 1px solid var(--ct-line);
  background: var(--warm);
}

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

.page-contact .ct-figure__cap {
  margin: 0.7rem 0 0;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  line-height: 1.6;
  letter-spacing: 0.04em;
  color: #5d6d7d;
}

/* 数据与按钮 */
.page-contact .ct-facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(9.5rem, 1fr));
  gap: 1px;
  margin-bottom: 1.5rem;
  background: var(--ct-line);
  border-block: 1px solid var(--ct-line);
}

.page-contact .ct-fact {
  background: var(--paper);
  padding: 1rem 1rem 1.15rem;
}

.page-contact .ct-fact__num {
  margin: 0 0 0.3rem;
  font-family: var(--font-mono);
  font-size: clamp(1.5rem, 3.4vw, 2.1rem);
  font-weight: 600;
  line-height: 1;
  color: var(--ink);
}

.page-contact .ct-fact__text {
  margin: 0;
  font-size: 0.84rem;
  line-height: 1.65;
  color: #4a5b6d;
}

.page-contact .ct-btn {
  display: inline-flex;
  align-items: center;
  gap: 0.6rem;
  padding: 0.78rem 1.3rem;
  background: var(--ink);
  color: var(--warm);
  border: 1px solid var(--ink);
  text-decoration: none;
  font-weight: 700;
  font-size: 0.9rem;
  letter-spacing: 0.01em;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.page-contact .ct-btn::after {
  content: "→";
  font-family: var(--font-mono);
}

.page-contact .ct-btn:hover,
.page-contact .ct-btn:focus-visible {
  background: var(--red);
  border-color: var(--red);
  color: var(--warm);
}

/* 常用入口 */
.page-contact .ct-links {
  margin-top: 1.75rem;
  padding-top: 1.1rem;
  border-top: 1px solid var(--ct-line);
}

.page-contact .ct-links__caption {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  color: var(--slate);
}

.page-contact .ct-links__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.4rem;
}

.page-contact .ct-links__item {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  padding: 0.65rem 0.1rem;
  border-bottom: 1px solid var(--ct-line);
  color: var(--ink);
  text-decoration: none;
  font-size: 0.92rem;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-contact .ct-links__num {
  font-family: var(--font-mono);
  font-size: 0.68rem;
  color: var(--red);
}

.page-contact .ct-links__item:hover,
.page-contact .ct-links__item:focus-visible {
  color: var(--red-dark);
  border-bottom-color: var(--red);
}

/* 平板及以上 */
@media (min-width: 48rem) {
  .page-contact .ct-channel {
    grid-template-columns: 8rem minmax(0, 1fr);
    gap: 0.5rem 1.25rem;
    align-items: baseline;
  }

  .page-contact .ct-channel__tag {
    padding-top: 0.35rem;
  }

  .page-contact .ct-links__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 1.5rem;
  }
}

/* 桌面端双栏 */
@media (min-width: 60rem) {
  .page-contact .ct-hero__grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
    align-items: end;
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-contact .ct-body {
    grid-template-columns: 12.5rem minmax(0, 1fr);
    gap: clamp(2rem, 5vw, 4rem);
    align-items: start;
  }

  .page-contact .ct-index {
    position: sticky;
    top: 1.5rem;
  }

  .page-contact .ct-index__nav {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-contact .ct-index__link {
    display: flex;
    padding: 0.65rem 0.2rem;
    border: 0;
    border-bottom: 1px solid var(--ct-line);
    background: none;
    white-space: normal;
    font-size: 0.88rem;
  }

  .page-contact .ct-index__link[aria-current] {
    background: none;
    border-bottom-color: var(--red);
    color: var(--red-dark);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact *,
  .page-contact *::before,
  .page-contact *::after {
    transition: none !important;
    animation: none !important;
  }
}
<<<END>>>