.page-contact {
  --contact-r: 28px;
  --contact-r-sm: 16px;
  padding-bottom: 72px;
}

.page-contact section[id] {
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-contact section:target {
  outline: 2px solid rgba(79, 227, 208, .35);
  outline-offset: 10px;
  border-radius: var(--contact-r);
}

/* —— 首屏 —— */
.page-contact .contact-hero {
  padding-top: 8px;
}

.page-contact .hero-grid {
  display: grid;
  gap: 28px;
}

.page-contact .hero-lead h1 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -.03em;
  color: var(--text);
}

.page-contact .hero-sub {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: 16px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .entry-capsules {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
}

.page-contact .entry-capsule {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 12px 22px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: var(--card);
  color: var(--text);
  font-size: 15px;
  font-weight: 500;
  text-decoration: none;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease),
              color 160ms var(--ease), background 160ms var(--ease);
}

.page-contact .entry-capsule::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  flex: 0 0 auto;
}

.page-contact .entry-capsule:nth-child(2)::before {
  background: var(--orange);
}

.page-contact .entry-capsule:hover,
.page-contact .entry-capsule:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: var(--cyan-soft);
  background: rgba(79, 227, 208, .08);
}

.page-contact .entry-capsule:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-contact .hero-media,
.page-contact .fix-media {
  margin: 0;
}

.page-contact .hero-img,
.page-contact .fix-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--contact-r);
  border: 1px solid var(--line);
  object-fit: cover;
  background: var(--panel);
}

/* —— 章节共用 —— */
.page-contact .section-note {
  margin: 0;
  font-size: 14px;
  color: var(--muted);
}

.page-contact .section-head h2,
.page-contact .fix-copy h2,
.page-contact .reach-card h3,
.page-contact .advice-body h3,
.page-contact .coop-card h3 {
  letter-spacing: -.02em;
}

.page-contact .section-head h2,
.page-contact .fix-copy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 5vw, 34px);
  line-height: 1.2;
  color: var(--text);
}

/* —— 联系方式 —— */
.page-contact .reach-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
  margin-top: 26px;
}

.page-contact .reach-card {
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--contact-r);
  background: linear-gradient(160deg, rgba(23, 35, 52, .92), rgba(17, 26, 41, .82));
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .reach-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-contact .reach-card h3 {
  margin: 12px 0 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--muted);
}

.page-contact .reach-value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.4vw, 24px);
  font-weight: 600;
  letter-spacing: -.01em;
  line-height: 1.35;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .reach-desc {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .reach-meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .reach-meta .num {
  color: var(--orange-soft);
}

/* —— 纠错 —— */
.page-contact .fix-grid {
  display: grid;
  gap: 30px;
}

.page-contact .fix-copy > .prose {
  margin: 16px 0 26px;
}

.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .check {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--contact-r-sm);
  background: var(--card);
  cursor: pointer;
  transition: border-color 160ms var(--ease), background 160ms var(--ease);
}

.page-contact .check:hover {
  border-color: var(--line-strong);
}

.page-contact .check:has(input:checked) {
  border-color: rgba(79, 227, 208, .45);
  background: rgba(79, 227, 208, .06);
}

.page-contact .check input {
  appearance: none;
  -webkit-appearance: none;
  position: relative;
  flex: 0 0 20px;
  width: 20px;
  height: 20px;
  margin: 2px 0 0;
  border: 1.5px solid var(--line-strong);
  border-radius: 6px;
  background: rgba(11, 14, 20, .6);
  cursor: pointer;
  transition: background 140ms var(--ease), border-color 140ms var(--ease);
}

.page-contact .check input::after {
  content: "";
  position: absolute;
  left: 6px;
  top: 2px;
  width: 5px;
  height: 10px;
  border: 2px solid var(--ink);
  border-top: 0;
  border-left: 0;
  transform: rotate(45deg) scale(.4);
  opacity: 0;
  transition: transform 140ms var(--ease), opacity 140ms var(--ease);
}

.page-contact .check input:checked {
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-contact .check input:checked::after {
  transform: rotate(45deg) scale(1);
  opacity: 1;
}

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

.page-contact .check-text {
  font-size: 15px;
  line-height: 1.6;
  color: var(--muted);
  transition: color 160ms var(--ease);
}

.page-contact .check input:checked ~ .check-text {
  color: var(--text);
}

.page-contact .check-text b {
  font-weight: 600;
  color: var(--cyan-soft);
}

.page-contact .check-hint {
  margin: 16px 0 0;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--orange-soft);
}

/* —— 筛选建议 —— */
.page-contact .advice-intro {
  margin: 0;
}

.page-contact .advice-list {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
}

.page-contact .advice-item {
  display: flex;
  gap: 20px;
  align-items: flex-start;
  padding: 22px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .advice-item:first-child {
  border-top: 1px solid var(--line);
}

.page-contact .advice-num {
  flex: 0 0 auto;
  font-size: 18px;
  font-weight: 600;
  color: var(--cyan);
}

.page-contact .advice-body h3 {
  margin: 0;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
}

.page-contact .advice-body p {
  margin: 6px 0 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--muted);
}

/* —— 合作 —— */
.page-contact .coop-grid {
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
  margin-top: 26px;
}

.page-contact .coop-card {
  position: relative;
  padding: 26px 24px;
  border: 1px solid var(--line);
  border-radius: var(--contact-r);
  background: var(--panel);
  overflow: hidden;
  transition: transform 180ms var(--ease), border-color 180ms var(--ease);
}

.page-contact .coop-card::after {
  content: "";
  position: absolute;
  right: -40px;
  bottom: -40px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(79, 227, 208, .16), transparent 70%);
  pointer-events: none;
}

.page-contact .coop-card--wide::after {
  background: radial-gradient(circle, rgba(255, 122, 26, .18), transparent 70%);
}

.page-contact .coop-card:hover {
  transform: translateY(-2px);
  border-color: var(--line-strong);
}

.page-contact .coop-num {
  display: inline-block;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--orange-soft);
}

.page-contact .coop-card h3 {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: 21px;
  color: var(--text);
}

.page-contact .coop-card p {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .coop-tag {
  font-family: var(--font-mono);
  font-size: 12px !important;
  letter-spacing: .04em;
  color: var(--cyan) !important;
}

/* —— 回复时间 —— */
.page-contact .reply-panel {
  display: grid;
  gap: 24px;
  padding: 30px 24px;
  border: 1px solid var(--line);
  border-radius: var(--contact-r);
  background: linear-gradient(155deg, rgba(17, 26, 41, .96), rgba(11, 14, 20, .92));
}

.page-contact .reply-clock-value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(26px, 7vw, 40px);
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--cyan);
}

.page-contact .reply-clock-note {
  margin: 8px 0 0;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-contact .reply-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .reply-list li {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-soft);
}

.page-contact .reply-list li::before {
  content: "";
  flex: 0 0 auto;
  width: 6px;
  height: 6px;
  margin-top: 9px;
  border-radius: 50%;
  background: var(--orange);
}

/* —— 延伸入口 —— */
.page-contact .next-note {
  margin: 0 0 16px;
}

.page-contact .next-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .next-link {
  display: inline-flex;
  align-items: center;
  padding: 10px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(23, 35, 52, .7);
  color: var(--text-soft);
  font-size: 14px;
  text-decoration: none;
  transition: transform 160ms var(--ease), border-color 160ms var(--ease), color 160ms var(--ease);
}

.page-contact .next-link:hover,
.page-contact .next-link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
  color: var(--cyan-soft);
}

.page-contact .next-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* —— 桌面布局 —— */
@media (min-width: 760px) {
  .page-contact .checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .checklist li:last-child {
    grid-column: 1 / -1;
  }
  .page-contact .reach-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 22px;
  }
  .page-contact .reach-card--wide {
    grid-column: 1 / -1;
  }
  .page-contact .reach-body {
    display: flex;
    flex-wrap: wrap;
    gap: 20px 40px;
    align-items: flex-end;
    justify-content: space-between;
  }
  .page-contact .reply-panel {
    grid-template-columns: minmax(0, .85fr) minmax(0, 1.15fr);
    align-items: center;
    padding: 40px 44px;
  }
}

@media (min-width: 960px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 48px;
  }
  .page-contact .fix-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, .9fr);
    gap: 40px;
    align-items: start;
  }
  .page-contact .fix-media {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
  .page-contact .coop-grid {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }
  .page-contact .coop-card {
    grid-column: span 3;
  }
  .page-contact .coop-card--wide {
    grid-column: 1 / -1;
    padding: 32px 30px;
  }
  .page-contact .coop-wide-body {
    display: grid;
    grid-template-columns: minmax(0, .9fr) minmax(0, 1.1fr);
    gap: 20px 44px;
    align-items: center;
    margin-top: 12px;
  }
  .page-contact .coop-wide-body p {
    margin-top: 0;
  }
}
<<<END>>>