.page-contact {
  --contact-rail: 252px;
  --contact-gap: clamp(30px, 4.5vw, 66px);
}

.page-contact .contact-head {
  margin-top: 16px;
  max-width: 780px;
}

.page-contact .contact-head h1 {
  margin: 12px 0 0;
  font-size: clamp(29px, 5.2vw, 45px);
  line-height: 1.24;
  letter-spacing: -.015em;
}

.page-contact .contact-head .lede {
  margin: 18px 0 0;
  max-width: 56ch;
  color: var(--graphite);
  font-size: 16.5px;
  line-height: 1.9;
}

/* ---------- 双栏骨架 ---------- */
.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
  margin-top: 46px;
}

@media (min-width: 960px) {
  .page-contact .contact-layout {
    grid-template-columns: var(--contact-rail) minmax(0, 1fr);
    gap: var(--contact-gap);
    align-items: start;
  }
}

.page-contact .contact-rail {
  display: grid;
  gap: 16px;
  min-width: 0;
}

@media (min-width: 960px) {
  .page-contact .contact-rail {
    position: sticky;
    top: 92px;
  }
}

.page-contact .rail-block {
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--white);
  padding: 18px 16px;
}

.page-contact .rail-block--note {
  background: var(--mint-soft);
  border-color: transparent;
}

.page-contact .rail-block__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--graphite);
}

.page-contact .rail-block--note .rail-block__label {
  color: var(--mint-ink);
}

.page-contact .rail-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink);
}

/* ---------- 图例式分类选择器 ---------- */
.page-contact .legend {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-contact .legend a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border: 1px solid transparent;
  border-radius: 10px;
  color: var(--ink);
  font-size: 14.5px;
  line-height: 1.5;
  text-decoration: none;
  transition: background-color .24s var(--ease), border-color .24s var(--ease);
}

.page-contact .legend a:hover {
  background: var(--mint-soft);
  border-color: var(--mint);
}

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

.page-contact .legend-dot {
  flex: none;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--graphite);
}

.page-contact .legend-dot--mint { background: var(--mint); }
.page-contact .legend-dot--electric { background: var(--electric); }
.page-contact .legend-dot--amber { background: var(--amber); }
.page-contact .legend-dot--ink { background: var(--ink); }

/* ---------- 右侧主内容 ---------- */
.page-contact .contact-main {
  display: grid;
  gap: 0;
  min-width: 0;
}

.page-contact .contact-section {
  padding-bottom: 42px;
  margin-bottom: 42px;
  border-bottom: 1px solid var(--line);
}

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

.page-contact .contact-section__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
}

.page-contact .contact-section__num {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--mint-ink);
}

.page-contact .contact-section__title {
  margin: 0;
  font-size: clamp(21px, 3vw, 27px);
  letter-spacing: -.01em;
  line-height: 1.35;
}

.page-contact .contact-section__lead {
  margin: 12px 0 26px;
  max-width: 58ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--graphite);
}

.page-contact .contact-section__lead a,
.page-contact .cat-card__desc a,
.page-contact .partner-body a {
  color: var(--electric);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 01 分类卡片 ---------- */
.page-contact .cat-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

@media (min-width: 700px) {
  .page-contact .cat-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-contact .cat-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--white);
  padding: 22px 20px;
  scroll-margin-top: 104px;
  transition: border-color .28s var(--ease), transform .28s var(--ease), box-shadow .28s var(--ease);
}

.page-contact .cat-card:hover {
  border-color: var(--mint);
  transform: translateY(-3px);
  box-shadow: 0 14px 30px -24px rgba(20, 24, 27, .55);
}

.page-contact .cat-card:target {
  border-color: var(--electric);
  box-shadow: 0 0 0 3px rgba(45, 125, 255, .14);
}

.page-contact .cat-card__head {
  display: flex;
  align-items: center;
  gap: 9px;
  margin-bottom: 10px;
}

.page-contact .cat-card__title {
  margin: 0;
  font-size: 18px;
  line-height: 1.4;
  letter-spacing: -.005em;
}

.page-contact .cat-card__desc {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink);
}

.page-contact .need-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 7px;
}

.page-contact .need-list li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .need-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .68em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--mint);
}

.page-contact .subject-hint {
  margin: auto 0 0;
  align-self: flex-start;
  padding: 7px 13px;
  border-radius: var(--radius-pill);
  background: var(--mint-soft);
  color: var(--mint-ink);
  font-size: 13px;
  font-weight: 600;
  line-height: 1.55;
}

.page-contact .subject-hint .num {
  font-family: var(--font-mono);
}

/* ---------- 02 直接联系 ---------- */
.page-contact .channel-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 16px;
}

@media (min-width: 760px) {
  .page-contact .channel-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

.page-contact .channel-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-card);
  background: var(--white);
  padding: 20px 18px;
}

.page-contact .channel-card--hours {
  background: var(--paper-warm);
}

.page-contact .channel-card__label {
  display: block;
  margin-bottom: 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--graphite);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 15.5px;
  line-height: 1.6;
  color: var(--ink);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__note {
  margin: 10px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 03 来访地址 ---------- */
.page-contact .visit-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

@media (min-width: 860px) {
  .page-contact .visit-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.02fr);
    gap: 30px;
    align-items: center;
  }
}

.page-contact .visit-figure {
  margin: 0;
  min-width: 0;
}

.page-contact .visit-figure .figure__media {
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--paper-warm);
}

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

.page-contact .coord-card {
  min-width: 0;
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius-card);
  background: var(--paper-warm);
  padding: 22px 22px 20px;
}

.page-contact .coord-card__label {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .16em;
  color: var(--graphite);
}

.page-contact .coord-card__value {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 2.6vw, 21px);
  line-height: 1.55;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-contact .coord-card__note {
  margin: 14px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--graphite);
}

/* ---------- 04 提交前准备 ---------- */
.page-contact .prepare-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
}

@media (min-width: 900px) {
  .page-contact .prepare-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, .78fr);
    gap: 36px;
    align-items: start;
  }
}

.page-contact .checklist {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
  min-width: 0;
}

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .checklist__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mint-ink);
}

.page-contact .checklist__text {
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--ink);
}

.page-contact .prepare-figure {
  margin: 0;
  min-width: 0;
}

.page-contact .prepare-figure .figure__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border-radius: var(--radius-card);
  background: var(--paper-warm);
}

/* ---------- 05 合作 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 24px;
}

@media (min-width: 880px) {
  .page-contact .partner-grid {
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 1fr);
    gap: 40px;
    align-items: start;
  }
}

.page-contact .partner-body {
  min-width: 0;
}

.page-contact .partner-body p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--ink);
}

.page-contact .partner-body p:last-child {
  margin-bottom: 0;
}

.page-contact .partner-facts {
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: 0;
  border-top: 1px solid var(--line);
}

.page-contact .partner-facts li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--graphite);
}

.page-contact .partner-facts .num {
  font-family: var(--font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--mint-ink);
}

/* ---------- 无障碍与降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .cat-card,
  .page-contact .legend a {
    transition: none;
  }

  .page-contact .cat-card:hover {
    transform: none;
  }
}
<<<END>>>