.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(1.5rem, 4vw, 2.5rem) clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(120% 90% at 85% 0%, rgba(18, 58, 47, 0.95) 0%, rgba(7, 28, 23, 0) 62%),
    var(--c-ink);
  border-bottom: 1px solid var(--c-line);
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.55;
  background-image:
    linear-gradient(to right, var(--c-line-faint) 1px, transparent 1px),
    linear-gradient(to bottom, var(--c-line-faint) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: linear-gradient(180deg, #000 8%, transparent 86%);
  mask-image: linear-gradient(180deg, #000 8%, transparent 86%);
}

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

.page-contact .contact-hero h1 {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.4rem, 8.5vw, 5.25rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--c-paper);
  overflow-wrap: break-word;
}

.page-contact .contact-hero .lede {
  max-width: 48ch;
  margin-top: 1rem;
  color: var(--c-muted);
}

.page-contact .hero-facts {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  padding: clamp(1rem, 2.5vw, 1.25rem) 0 0;
  border-top: 1px solid var(--c-line);
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.9rem 1.5rem;
}

.page-contact .hero-facts li {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.page-contact .hero-facts__k {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--c-muted);
}

.page-contact .hero-facts__v {
  font-size: 0.95rem;
  font-weight: 500;
  line-height: 1.5;
  color: var(--c-paper);
  overflow-wrap: anywhere;
}

/* 01 联系渠道 */
.page-contact .contact-channels {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-contact .contact-channels__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  margin-top: clamp(1.5rem, 4vw, 2rem);
}

.page-contact .channel-figure {
  aspect-ratio: 4 / 3;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-ink-2);
}

.page-contact .channel-figure img,
.page-contact .brief-figure img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-contact .chan-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.75rem;
}

.page-contact .chan {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  padding: 1.1rem 1.15rem 1.25rem;
  border: 1px solid var(--c-line);
  border-left: 2px solid var(--c-line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(18, 58, 47, 0.55), rgba(11, 42, 34, 0.8));
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .chan:hover,
.page-contact .chan:focus-within {
  border-color: var(--c-mint-2);
  border-left-color: var(--c-mint);
  background: linear-gradient(180deg, rgba(18, 58, 47, 0.85), rgba(11, 42, 34, 0.95));
}

.page-contact .chan__tag {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: var(--c-mint-2);
}

.page-contact .chan__value {
  font-family: var(--font-mono);
  font-size: clamp(1rem, 3.2vw, 1.25rem);
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--c-paper);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  padding-bottom: 0.35rem;
  overflow-wrap: anywhere;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact a.chan__value:hover,
.page-contact a.chan__value:focus-visible {
  color: var(--c-mint);
  border-color: var(--c-mint);
}

.page-contact .chan__value--text {
  font-family: var(--font-sans);
  font-size: clamp(0.95rem, 2.6vw, 1.0625rem);
  line-height: 1.7;
  font-weight: 500;
  letter-spacing: 0;
}

.page-contact .chan__note {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--c-muted);
}

/* 02 适合写邮件的情况 —— 纸面章节 */
.page-contact .contact-topics,
.page-contact .contact-visit {
  background: var(--c-cream);
  color: var(--c-ink-2);
}

.page-contact .contact-topics .eyebrow,
.page-contact .contact-visit .eyebrow,
.page-contact .contact-topics .lede {
  color: #55705F;
}

.page-contact .contact-topics .chapter-num,
.page-contact .contact-visit .chapter-num {
  color: #1E7F5E;
}

.page-contact .contact-topics h2,
.page-contact .contact-visit h2 {
  color: var(--c-ink-2);
}

.page-contact .topics {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  border-bottom: 1px solid rgba(7, 28, 23, 0.16);
}

.page-contact .topic {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  column-gap: 1rem;
  padding-block: 1.5rem;
  border-top: 1px solid rgba(7, 28, 23, 0.16);
}

.page-contact .topic__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  letter-spacing: 0.06em;
  color: var(--c-orange);
  line-height: 1.5;
}

.page-contact .topic__body {
  min-width: 0;
}

.page-contact .topic__title {
  margin: 0 0 0.5rem;
  font-size: clamp(1.05rem, 2.8vw, 1.2rem);
  font-weight: 700;
  line-height: 1.45;
  color: var(--c-ink-2);
}

.page-contact .topic__text {
  margin: 0 0 0.75rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #3A5748;
}

.page-contact .topic__link {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: #17795A;
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 121, 90, 0.45);
  padding-bottom: 0.15rem;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-contact .topic__link:hover,
.page-contact .topic__link:focus-visible {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

/* 03 邮件里带什么 */
.page-contact .contact-brief {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-contact .brief {
  margin-top: clamp(1.5rem, 4vw, 2rem);
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .brief-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-contact .brief-list > li {
  display: grid;
  grid-template-columns: 2.5rem minmax(0, 1fr);
  column-gap: 1rem;
  padding-block: 1.1rem;
  border-bottom: 1px solid var(--c-line-soft);
}

.page-contact .brief-list > li:first-child {
  border-top: 1px solid var(--c-line-soft);
}

.page-contact .brief-list__n {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--c-mint);
  line-height: 1.9;
}

.page-contact .brief-list h3 {
  margin: 0 0 0.35rem;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-paper);
}

.page-contact .brief-list p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

.page-contact .brief-figure {
  aspect-ratio: 10 / 7;
  border: 1px solid var(--c-line-soft);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-ink-2);
  align-self: start;
}

/* 04 处理流程 */
.page-contact .contact-flow {
  padding-block: clamp(2.5rem, 6vw, 4rem);
  border-top: 1px solid var(--c-line);
  background: var(--c-ink-2);
}

.page-contact .flow {
  list-style: none;
  margin: clamp(1.5rem, 4vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
}

.page-contact .flow__item {
  position: relative;
  padding: 1rem 0 1.5rem 1.25rem;
  border-left: 1px solid var(--c-line);
}

.page-contact .flow__num {
  display: block;
  margin-bottom: 0.45rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  color: var(--c-orange);
}

.page-contact .flow__item h3 {
  margin: 0 0 0.4rem;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-paper);
}

.page-contact .flow__item p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--c-muted);
}

/* 05 地址与到访说明 */
.page-contact .contact-visit {
  padding-block: clamp(2.5rem, 6vw, 4rem);
}

.page-contact .visit-grid {
  margin-top: clamp(1.25rem, 3vw, 2rem);
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

.page-contact .visit-card {
  padding: clamp(1.25rem, 3.5vw, 2rem);
  background: #FFFCF5;
  border: 1px solid rgba(7, 28, 23, 0.14);
  border-left: 3px solid #1E7F5E;
  border-radius: var(--radius);
  box-shadow: 0 18px 36px -32px rgba(7, 28, 23, 0.7);
}

.page-contact .visit-card__label {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.16em;
  color: #55705F;
}

.page-contact .visit-card__addr {
  margin: 0;
  font-size: clamp(1.1rem, 2.6vw, 1.4rem);
  font-weight: 700;
  line-height: 1.65;
  color: var(--c-ink-2);
  overflow-wrap: break-word;
}

.page-contact .visit-card__tip {
  margin: 0.9rem 0 0;
  padding-top: 0.75rem;
  border-top: 1px solid rgba(7, 28, 23, 0.12);
  font-size: 0.875rem;
  line-height: 1.7;
  color: #55705F;
}

.page-contact .visit-note h3 {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-ink-2);
}

.page-contact .visit-note__list {
  list-style: none;
  margin: 0.85rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .visit-note__list li {
  position: relative;
  padding-left: 1.1rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: #3A5748;
}

.page-contact .visit-note__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.5rem;
  height: 1px;
  background: #1E7F5E;
}

.page-contact .visit-note__list a {
  color: #17795A;
  text-decoration: none;
  border-bottom: 1px solid rgba(23, 121, 90, 0.45);
}

.page-contact .visit-note__list a:hover,
.page-contact .visit-note__list a:focus-visible {
  color: var(--c-orange);
  border-color: var(--c-orange);
}

/* 收尾时效条 */
.page-contact .contact-cta {
  background: linear-gradient(90deg, rgba(107, 255, 196, 0.12), rgba(255, 138, 61, 0.1));
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  padding-block: clamp(1.25rem, 3vw, 1.75rem);
}

.page-contact .contact-cta__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem 1.5rem;
}

.page-contact .contact-cta__text {
  margin: 0;
  flex: 1 1 16rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--c-muted);
  overflow-wrap: anywhere;
}

.page-contact .contact-cta__text strong {
  color: var(--c-paper);
  font-weight: 700;
}

@media (min-width: 700px) {
  .page-contact .hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 820px) {
  .page-contact .topic__body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.15fr);
    column-gap: 2rem;
    align-items: baseline;
  }

  .page-contact .topic__title {
    grid-column: 1;
    grid-row: 1;
    margin-bottom: 0;
  }

  .page-contact .topic__text {
    grid-column: 2;
    grid-row: 1;
  }

  .page-contact .topic__link {
    grid-column: 2;
    grid-row: 2;
    justify-self: start;
    margin-top: 0.5rem;
  }
}

@media (min-width: 860px) {
  .page-contact .flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-contact .flow__item {
    padding: 1.5rem 1.5rem 0 0;
    border-left: 0;
    border-top: 1px solid var(--c-line);
  }

  .page-contact .flow__item::before {
    content: "";
    position: absolute;
    top: -4px;
    left: 0;
    width: 7px;
    height: 7px;
    border-radius: 50%;
    background: var(--c-orange);
  }

  .page-contact .flow__item:last-child {
    padding-right: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-channels__grid {
    grid-template-columns: 5fr 7fr;
    gap: 2rem;
    align-items: start;
  }

  .page-contact .chan {
    padding: 1.25rem 1.35rem 1.35rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .chan,
  .page-contact .chan__value,
  .page-contact .topic__link,
  .page-contact .visit-note__list a {
    transition: none;
  }
}
<<<END>>>
</parameter>