.page-contact {
  --contact-soft: rgba(244, 241, 232, 0.78);
  --contact-line: rgba(157, 184, 174, 0.26);
  --contact-line-soft: rgba(157, 184, 174, 0.16);
  --contact-ink-line: rgba(16, 32, 26, 0.14);
}

/* ---------- 首屏：目录式开场 ---------- */
.page-contact .contact-intro {
  padding: 28px 0 46px;
}

.page-contact .breadcrumbs {
  font-size: 12px;
  letter-spacing: 0.09em;
  color: var(--mist);
  margin-bottom: 42px;
}

.page-contact .breadcrumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--hair);
  padding-bottom: 2px;
}

.page-contact .breadcrumbs a:hover {
  color: var(--lime);
  border-bottom-color: var(--lime);
}

.page-contact .intro-block {
  max-width: 70ch;
}

.page-contact .intro-title {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(32px, 8.4vw, 74px);
  line-height: 1.06;
  letter-spacing: -0.022em;
  color: var(--paper);
  margin: 12px 0 0;
  max-width: 15em;
}

.page-contact .intro-lede {
  margin: 22px 0 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--contact-soft);
  max-width: 58ch;
}

.page-contact .intro-index {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 36px 0 0;
  padding: 2px 0 6px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-contact .intro-index::-webkit-scrollbar {
  display: none;
}

.page-contact .intro-index a {
  display: inline-block;
  white-space: nowrap;
  font-size: 13px;
  letter-spacing: 0.06em;
  padding: 8px 15px;
  border: 1px solid var(--hair);
  border-radius: 999px;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-contact .intro-index a:hover,
.page-contact .intro-index a:focus-visible,
.page-contact .intro-index a[aria-current="true"] {
  color: var(--lime);
  border-color: var(--lime);
}

/* ---------- 通用区块头 ---------- */
.page-contact .contact-channels {
  padding: 58px 0 72px;
}

.page-contact .contact-subscribe,
.page-contact .contact-correct {
  padding: 58px 0 64px;
}

.page-contact .contact-correct {
  border-top: 1px solid var(--contact-ink-line);
}

.page-contact .contact-partner {
  padding: 58px 0 76px;
}

.page-contact .contact-response {
  padding: 56px 0 64px;
}

.page-contact .contact-reach {
  padding: 56px 0 78px;
}

.page-contact .section-head {
  max-width: 62ch;
}

.page-contact .section-head h2 {
  font-family: var(--font-head);
  font-weight: 500;
  font-size: clamp(26px, 5.6vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.012em;
  margin: 10px 0 0;
}

.page-contact .section-lede {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.9;
  opacity: 0.84;
}

.page-contact .contact-figure {
  margin: 34px 0 0;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  overflow: hidden;
  background: rgba(10, 28, 46, 0.3);
}

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

.page-contact .contact-figure .media-frame__caption {
  padding: 12px 18px 14px;
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--mist);
}

/* ---------- 三条通道 ---------- */
.page-contact .desk-grid {
  display: grid;
  gap: 26px;
  margin-top: 38px;
}

.page-contact .channel-rail {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .channel-card {
  padding: 22px 22px 24px;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  background: rgba(10, 28, 46, 0.3);
  box-shadow: var(--shadow-soft);
}

.page-contact .channel-card--mail {
  border-left: 2px solid var(--lime);
}

.page-contact .channel-card--phone {
  border-left: 2px solid var(--amber);
}

.page-contact .channel-card--dm {
  border-left: 2px solid var(--midline);
}

.page-contact .channel-no {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-contact .channel-card h3 {
  margin: 8px 0 0;
  font-size: 19px;
  font-weight: 500;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-contact .channel-for {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--contact-soft);
}

.page-contact .channel-value {
  margin: 16px 0 0;
  padding-top: 13px;
  border-top: 1px dashed var(--contact-line);
  font-size: 14px;
  line-height: 1.6;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .channel-value--text {
  font-family: var(--font-body);
  font-size: 13px;
  color: var(--mist);
}

.page-contact .desk-guide {
  border-top: 1px solid var(--contact-line);
  padding-top: 26px;
}

.page-contact .guide-title {
  margin: 0 0 20px;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .guide-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .guide-list li {
  display: grid;
  gap: 10px;
  padding-bottom: 16px;
  border-bottom: 1px solid var(--contact-line-soft);
}

.page-contact .guide-list .tag {
  justify-self: start;
}

.page-contact .guide-list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--contact-soft);
}

.page-contact .desk-note {
  margin: 24px 0 0;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

/* ---------- 订阅咨询 ---------- */
.page-contact .brief-grid {
  display: grid;
  gap: 34px;
  margin-top: 36px;
}

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

.page-contact .brief-item {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 18px;
  padding: 22px 0;
  border-bottom: 1px solid var(--contact-ink-line);
}

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

.page-contact .brief-no {
  font-size: 14px;
  letter-spacing: 0.12em;
  color: var(--midline);
  padding-top: 2px;
}

.page-contact .brief-item h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
}

.page-contact .brief-item p {
  margin: 9px 0 0;
  font-size: 15px;
  line-height: 1.85;
  opacity: 0.78;
}

.page-contact .brief-aside {
  align-self: start;
  padding: 22px 22px 24px;
  border: 1px solid rgba(16, 32, 26, 0.16);
  border-radius: var(--radius);
  background: rgba(30, 92, 65, 0.06);
}

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

.page-contact .brief-links a {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-ink);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 92, 65, 0.35);
  padding-bottom: 3px;
  display: inline-block;
}

.page-contact .brief-links a:hover {
  border-bottom-color: var(--midline);
  color: var(--midline);
}

.page-contact .brief-aside-note {
  margin: 20px 0 0;
  padding-top: 16px;
  border-top: 1px solid rgba(16, 32, 26, 0.12);
  font-size: 13px;
  line-height: 1.8;
  opacity: 0.7;
}

/* ---------- 栏目纠错 ---------- */
.page-contact .correct-grid {
  display: grid;
  gap: 30px;
  margin-top: 36px;
}

.page-contact .correct-grid .contact-figure {
  margin: 0;
  border-color: rgba(16, 32, 26, 0.16);
  background: rgba(16, 32, 26, 0.05);
}

.page-contact .correct-grid .contact-figure .media-frame__caption {
  color: var(--paper-ink);
  opacity: 0.66;
}

.page-contact .checklist-title {
  margin: 0 0 12px;
  font-size: 15px;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--midline);
}

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

.page-contact .checklist li {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr);
  gap: 16px;
  padding: 17px 0;
  border-bottom: 1px solid rgba(16, 32, 26, 0.12);
}

.page-contact .checklist li:first-child {
  border-top: 1px solid rgba(16, 32, 26, 0.12);
}

.page-contact .check-box {
  display: block;
  width: 16px;
  height: 16px;
  margin-top: 4px;
  border: 1px solid rgba(16, 32, 26, 0.38);
  border-radius: 3px;
}

.page-contact .checklist strong {
  display: block;
  font-size: 15px;
  font-weight: 500;
  color: var(--paper-ink);
}

.page-contact .checklist p {
  margin: 7px 0 0;
  font-size: 14px;
  line-height: 1.8;
  opacity: 0.74;
}

.page-contact .correct-note {
  margin: 26px 0 0;
  padding: 18px 20px;
  font-size: 14px;
  line-height: 1.9;
  border-left: 2px solid var(--indigo);
  background: rgba(59, 46, 107, 0.07);
  color: var(--paper-ink);
}

/* ---------- 内容合作 ---------- */
.page-contact .partner-grid {
  display: grid;
  gap: 16px;
  margin-top: 36px;
}

.page-contact .partner-card {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 24px 22px 26px;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  background: rgba(10, 28, 46, 0.28);
}

.page-contact .partner-card .tag {
  align-self: flex-start;
}

.page-contact .partner-card h3 {
  margin: 0;
  font-size: 18px;
  font-weight: 500;
  color: var(--paper);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--contact-soft);
}

.page-contact .partner-note {
  margin-top: 30px;
  padding: 20px 22px;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
}

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

.page-contact .partner-note strong {
  color: var(--lime);
  font-weight: 500;
}

/* ---------- 响应节奏 ---------- */
.page-contact .tick-track {
  margin: 46px 0 0;
}

.page-contact .tick {
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--mist);
}

.page-contact .tick--mid {
  color: var(--lime);
}

.page-contact .response-notes {
  display: grid;
  gap: 26px;
  margin-top: 46px;
}

.page-contact .response-notes h3 {
  margin: 0 0 12px;
  font-size: 16px;
  font-weight: 500;
  letter-spacing: 0.04em;
  color: var(--paper);
}

.page-contact .response-notes article:first-child h3 {
  color: var(--lime);
}

.page-contact .response-notes p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--contact-soft);
}

/* ---------- 联系方式 ---------- */
.page-contact .reach-panel {
  margin-top: 30px;
  border: 1px solid var(--contact-line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .reach-row {
  display: grid;
  gap: 8px;
  padding: 20px 22px;
  border-bottom: 1px solid var(--contact-line-soft);
  background: rgba(10, 28, 46, 0.32);
}

.page-contact .reach-row:last-child {
  border-bottom: 0;
}

.page-contact .reach-key {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-contact .reach-value {
  margin: 0;
  font-size: 17px;
  line-height: 1.55;
  color: var(--paper);
  overflow-wrap: anywhere;
}

.page-contact .reach-row--mail .reach-value {
  color: var(--lime);
  font-size: 18px;
}

.page-contact .reach-note {
  margin: 24px 0 0;
  max-width: 66ch;
  font-size: 14px;
  line-height: 1.9;
  color: var(--contact-soft);
}

.page-contact .reach-legal {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  margin-top: 28px;
  padding-top: 20px;
  border-top: 1px solid var(--hair);
}

.page-contact .legal-line {
  display: inline-flex;
  align-items: baseline;
  gap: 10px;
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-contact .legal-key {
  color: rgba(157, 184, 174, 0.6);
}

.page-contact .reach-tail {
  margin: 20px 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .reach-tail a {
  color: var(--mist);
  text-decoration: underline;
  text-underline-offset: 4px;
}

.page-contact .reach-tail a:hover {
  color: var(--lime);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 640px) {
  .page-contact .guide-list li {
    grid-template-columns: 92px minmax(0, 1fr);
    align-items: start;
    gap: 20px;
  }

  .page-contact .reach-row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: center;
    gap: 24px;
    padding: 22px 26px;
  }

  .page-contact .reach-key {
    letter-spacing: 0.16em;
  }

  .page-contact .contact-figure .media-frame__caption {
    padding: 14px 22px 16px;
  }
}

@media (min-width: 760px) {
  .page-contact .partner-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
    padding-bottom: 26px;
  }

  .page-contact .partner-card:nth-child(2) {
    transform: translateY(24px);
  }

  .page-contact .response-notes {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 52px;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-intro {
    padding: 34px 0 58px;
  }

  .page-contact .desk-grid {
    grid-template-columns: minmax(0, 340px) minmax(0, 1fr);
    gap: 52px;
  }

  .page-contact .desk-guide {
    padding-top: 0;
    border-top: 0;
  }

  .page-contact .brief-grid {
    grid-template-columns: minmax(0, 1fr) 300px;
    gap: 56px;
  }

  .page-contact .correct-grid {
    grid-template-columns: minmax(0, 360px) minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }

  .page-contact .contact-channels,
  .page-contact .contact-partner {
    padding: 76px 0 88px;
  }

  .page-contact .contact-subscribe,
  .page-contact .contact-correct,
  .page-contact .contact-response,
  .page-contact .contact-reach {
    padding: 72px 0 80px;
  }

  .page-contact .contact-subscribe {
    padding-top: 80px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .intro-index a,
  .page-contact .brief-links a,
  .page-contact .reach-tail a {
    transition: none;
  }

  .page-contact .partner-card:nth-child(2) {
    transform: none;
  }
}