.page-contact {
  --c-ease: 180ms ease;
  background: var(--paper);
  color: var(--ink);
}

.page-contact .section {
  padding-block: var(--space-4);
}

/* ---------- 页首 ---------- */

.page-contact .contact-lead {
  padding-block: var(--space-3) var(--space-5);
}

.page-contact .breadcrumb {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ink-50);
  margin-bottom: var(--space-3);
}

.page-contact .breadcrumb a {
  color: var(--ink-70);
}

.page-contact .breadcrumb__sep {
  margin-inline: 8px;
  color: var(--line-strong);
}

.page-contact .lead-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-contact .eyebrow {
  margin: 0 0 var(--space-2);
}

.page-contact .display-1 {
  font-family: var(--font-display);
  font-size: clamp(34px, 7.4vw, 74px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-3);
}

.page-contact .display-2 {
  font-family: var(--font-display);
  font-size: clamp(25px, 4.2vw, 42px);
  line-height: 1.18;
  letter-spacing: -0.01em;
  margin: 0 0 var(--space-2);
}

.page-contact .prose {
  max-width: 40em;
  font-size: 17px;
  line-height: 1.78;
  color: var(--ink-70);
}

.page-contact .lead-intro {
  margin: 0;
}

.page-contact .lead-actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.page-contact .lead-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  margin: var(--space-4) 0 0;
  padding-top: var(--space-3);
  border-top: 1px solid var(--line);
}

.page-contact .lead-fact dt {
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--ink-50);
}

.page-contact .lead-fact dd {
  margin: 4px 0 0;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
}

.page-contact .lead-mail {
  font-size: 15px;
  word-break: break-all;
}

.page-contact .media {
  margin: 0;
}

.page-contact .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-l);
  object-fit: cover;
}

.page-contact .media-caption {
  margin-top: var(--space-2);
  font-size: 13px;
  line-height: 1.65;
  color: var(--ink-50);
}

.page-contact .lead-figure {
  position: relative;
}

/* ---------- 区块标题 ---------- */

.page-contact .section-head {
  max-width: 46em;
  margin-bottom: var(--space-4);
}

.page-contact .section-head .prose {
  margin: 0;
}

/* ---------- 三条通道 ---------- */

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-row {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
  padding: var(--space-3) var(--space-2) var(--space-3) var(--space-3);
  border-top: 1px solid var(--line);
  transition: background-color var(--c-ease);
}

.page-contact .channel-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: var(--space-3);
  bottom: var(--space-3);
  width: 1px;
  background: var(--line-strong);
  transition: width var(--c-ease), background-color var(--c-ease);
}

.page-contact .channel-row:hover,
.page-contact .channel-row:focus-within {
  background: rgba(180, 71, 47, .045);
}

.page-contact .channel-row:hover::before,
.page-contact .channel-row:focus-within::before {
  width: 3px;
  background: var(--ochre);
}

.page-contact .channel-name {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 10px;
}

.page-contact .channel-idx {
  font-size: 13px;
  color: var(--ochre);
  letter-spacing: .08em;
}

.page-contact .channel-title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 21px;
  line-height: 1.3;
}

.page-contact .channel-desc p {
  margin: 0 0 8px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink-70);
}

.page-contact .channel-desc p:last-child {
  margin-bottom: 0;
}

.page-contact .channel-hint {
  font-size: 14px;
  line-height: 1.7;
  color: var(--ink-50);
}

.page-contact .channel-act {
  align-self: start;
}

/* ---------- 合作与授权 ---------- */

.page-contact .collab-tiles {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.page-contact .collab-tile {
  display: flex;
  flex-direction: column;
  justify-content: space-between;
  min-height: 210px;
  border-radius: var(--radius-m);
  padding: var(--space-4) var(--space-3);
}

.page-contact .collab-tile h3 {
  margin: 0 0 var(--space-2);
  font-family: var(--font-display);
  font-size: 22px;
  line-height: 1.3;
}

.page-contact .collab-tile p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .collab-tile--barley {
  background: var(--barley);
  color: var(--ink);
}

.page-contact .collab-tile--glacier {
  background: var(--glacier);
  color: var(--snow);
}

.page-contact .collab-tile--ochre {
  background: var(--ochre);
  color: var(--snow);
}

.page-contact .collab-note {
  margin: var(--space-3) 0 0;
  padding-left: var(--space-2);
  border-left: 2px solid var(--gold);
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink-70);
}

/* ---------- 纠错流程 ---------- */

.page-contact .feedback-grid {
  max-width: 62em;
}

.page-contact .steps {
  list-style: none;
  margin: var(--space-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--space-3);
}

.page-contact .step {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: var(--space-2);
  padding-bottom: var(--space-3);
  border-bottom: 1px solid var(--line);
}

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

.page-contact .step-num {
  font-size: 14px;
  letter-spacing: .08em;
  color: var(--ochre);
  padding-top: 3px;
}

.page-contact .step h3 {
  margin: 0 0 4px;
  font-size: 18px;
  line-height: 1.4;
}

.page-contact .step p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--ink-70);
}

/* ---------- 咨询信 ---------- */

.page-contact .writeit-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-contact .checklist {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .checklist li {
  position: relative;
  padding: 14px 0 14px 32px;
  border-bottom: 1px solid var(--line);
  font-size: 16px;
  line-height: 1.7;
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 13px;
  height: 13px;
  border: 1px solid var(--ink-50);
  border-radius: 3px;
}

.page-contact .template {
  background: var(--indigo);
  color: var(--snow);
  border-radius: var(--radius-m);
  padding: var(--space-3);
}

.page-contact .template-label {
  margin: 0 0 var(--space-2);
  font-size: 13px;
  letter-spacing: .08em;
  color: rgba(255, 255, 255, .72);
}

.page-contact .template-body {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 2.1;
  white-space: pre-wrap;
  color: var(--snow);
}

/* ---------- 服务时段 ---------- */

.page-contact .hours-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-4);
}

.page-contact .hours-scale {
  margin-top: var(--space-4);
  padding-block: var(--space-3);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-contact .hours-scale-label {
  margin: 0 0 var(--space-3);
  font-size: 14px;
  letter-spacing: .04em;
  color: var(--ink-70);
}

.page-contact .hours-rule {
  display: flex;
  align-items: center;
  height: 16px;
}

.page-contact .hours-band {
  flex: 1 1 auto;
  height: 6px;
  border-radius: var(--radius-pill);
  background: linear-gradient(90deg, var(--glacier), var(--amber) 58%, var(--ochre));
}

.page-contact .hours-dot {
  flex: 0 0 auto;
  box-sizing: border-box;
  width: 16px;
  height: 16px;
  border-radius: 50%;
  background: var(--paper);
  border: 4px solid var(--ochre);
}

.page-contact .hours-ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--ink-50);
}

.page-contact .hours-notes {
  list-style: none;
  margin: var(--space-3) 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .hours-notes li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--ink-70);
}

.page-contact .hours-notes li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--amber);
}

/* ---------- 常见咨询 ---------- */

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

.page-contact .faq .disclosure {
  border-bottom: 1px solid var(--line);
}

.page-contact .link-more {
  display: inline-block;
  margin-top: 10px;
  font-size: 14px;
  font-weight: 600;
  color: var(--ochre);
  text-decoration: none;
  border-bottom: 1px solid rgba(180, 71, 47, .4);
  padding-bottom: 2px;
}

.page-contact .link-more:hover {
  color: var(--ochre-deep);
  border-bottom-color: var(--ochre-deep);
}

/* ---------- 收束 ---------- */

.page-contact .closing {
  padding-block: var(--space-4) var(--space-6);
}

.page-contact .closing-rule {
  height: 12px;
  margin-bottom: var(--space-3);
  background-image: repeating-linear-gradient(90deg, var(--line-strong) 0 1px, transparent 1px 26px);
}

.page-contact .closing-text {
  margin: 0;
  max-width: 26em;
  font-family: var(--font-display);
  font-size: clamp(19px, 3vw, 27px);
  line-height: 1.55;
  letter-spacing: -0.01em;
  color: var(--ink-70);
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .lead-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-contact .collab-tiles {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .section {
    padding-block: var(--space-6);
  }

  .page-contact .contact-lead {
    padding-block: var(--space-4) var(--space-6);
  }

  .page-contact .lead-grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    column-gap: var(--space-5);
    align-items: start;
  }

  .page-contact .lead-body {
    grid-column: 1 / span 7;
  }

  .page-contact .lead-figure {
    grid-column: 9 / span 4;
    margin-top: 64px;
  }

  .page-contact .lead-figure::before {
    content: "";
    position: absolute;
    left: -30px;
    top: 6px;
    bottom: 6px;
    width: 1px;
    background: linear-gradient(180deg, var(--barley), var(--glacier) 38%, var(--amber) 74%, var(--indigo));
    opacity: .55;
  }

  .page-contact .channel-row {
    grid-template-columns: minmax(0, 200px) minmax(0, 1fr) auto;
    gap: var(--space-4);
    align-items: start;
    padding: var(--space-4) var(--space-3) var(--space-4) var(--space-4);
  }

  .page-contact .channel-row::before {
    top: var(--space-4);
    bottom: var(--space-4);
  }

  .page-contact .writeit-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.82fr);
    gap: var(--space-5);
    align-items: start;
  }

  .page-contact .hours-grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: var(--space-5);
    align-items: start;
  }

  .page-contact .hours-figure {
    margin-top: var(--space-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-row,
  .page-contact .channel-row::before {
    transition: none;
  }
}