.page-contact {
  --contact-gap: 18px;
  --contact-line: var(--line);
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumb {
  margin: 20px 0 0;
}

/* ---------- 通用章节节奏 ---------- */
.page-contact .section {
  padding-top: 44px;
  padding-bottom: 44px;
  border-top: 1px solid var(--contact-line);
}

.page-contact .section__lede {
  max-width: 52em;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-top: 22px;
  padding-bottom: 44px;
}

.page-contact .contact-hero__eyebrow {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
}

.page-contact .contact-hero__title {
  margin: 0 0 16px;
  font-family: var(--cond);
  font-weight: 800;
  font-size: clamp(1.85rem, 5.6vw, 3.05rem);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--text);
}

.page-contact .contact-hero__text {
  margin: 0;
  max-width: 44em;
  font-size: 16px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .contact-hero__channels {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .channel-line {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .channel-line__key {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--text-dim);
}

.page-contact .channel-line__value {
  font-family: var(--mono);
  font-size: clamp(.98rem, 2.8vw, 1.26rem);
  line-height: 1.4;
  color: var(--cyan);
  word-break: break-all;
  text-shadow: 0 0 12px var(--cyan-a16);
}

.page-contact .channel-line__value--plain {
  font-family: var(--sans);
  font-size: clamp(.98rem, 2.6vw, 1.18rem);
  color: var(--text);
  text-shadow: none;
  word-break: normal;
}

.page-contact .contact-hero__visual {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-contact .contact-hero__frame {
  position: relative;
  border: 1px solid var(--contact-line);
  background: var(--ink-800);
  overflow: hidden;
  aspect-ratio: 3 / 2;
}

.page-contact .contact-hero__frame img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .9;
}

.page-contact .contact-hero__frame::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, var(--grid-a) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-a) 1px, transparent 1px);
  background-size: 8px 8px;
}

.page-contact .contact-hero__caption {
  font-size: 12px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 值班时段 ---------- */
.page-contact .shift-clock {
  margin-top: 24px;
  padding: 18px 14px 12px;
  border: 1px solid var(--contact-line);
  background: var(--ink-800);
}

.page-contact .shift-clock__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .shift-clock__legend {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--contact-line);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--text-dim);
}

.page-contact .shift-notes {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 18px;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}

.page-contact .shift-note {
  background: var(--ink-900);
  padding: 18px 16px;
}

.page-contact .shift-note__key {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--amber);
}

.page-contact .shift-note__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .shift-note__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a50);
}

/* ---------- 咨询分类 ---------- */
.page-contact .contact-routes__banner {
  margin: 24px 0 0;
  border: 1px solid var(--contact-line);
  background: var(--ink-900);
  overflow: hidden;
  aspect-ratio: 2 / 1;
}

.page-contact .contact-routes__banner img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .5;
}

.page-contact .route-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 22px;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}

.page-contact .route-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 22px 18px;
  background: var(--ink-800);
  outline: 1px solid transparent;
  outline-offset: -1px;
  transition: outline-color var(--dur-fast) var(--ease), transform var(--dur-fast) var(--ease);
}

.page-contact .route-card:hover {
  outline-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .route-card__index {
  margin: 0;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--text-dim);
}

.page-contact .route-card__title {
  margin: 0;
  font-family: var(--cond);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.25;
  color: var(--text);
}

.page-contact .route-card__value {
  margin: 0;
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--cyan);
  word-break: break-all;
}

.page-contact .route-card__value--plain {
  font-family: var(--sans);
  color: var(--amber);
  word-break: normal;
}

.page-contact .route-card__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .route-card__list {
  list-style: none;
  margin: 4px 0 0;
  padding: 12px 0 0;
  border-top: 1px solid var(--contact-line);
  display: grid;
  gap: 8px;
}

.page-contact .route-card__list li {
  position: relative;
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .route-card__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 留言信息 ---------- */
.page-contact .brief-list {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  border-top: 1px solid var(--contact-line);
}

.page-contact .brief-item {
  display: grid;
  grid-template-columns: 44px 1fr;
  gap: 12px;
  padding: 20px 0;
  border-bottom: 1px solid var(--contact-line);
}

.page-contact .brief-item__num {
  font-size: 20px;
  line-height: 1.2;
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-contact .brief-item__title {
  margin: 0 0 6px;
  font-family: var(--cond);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.3;
  color: var(--text);
}

.page-contact .brief-item__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--text-dim);
}

.page-contact .brief-item__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a50);
}

.page-contact .contact-template-box {
  margin-top: 24px;
  border: 1px solid var(--contact-line);
  background: var(--ink-800);
  padding: 16px 16px 18px;
}

.page-contact .contact-template {
  margin: 14px 0 0;
  padding: 16px;
  background: var(--ink-900);
  border: 1px solid var(--contact-line);
  font-family: var(--mono);
  font-size: 12.5px;
  line-height: 1.95;
  color: var(--text);
  overflow-x: auto;
  white-space: pre;
}

/* ---------- 合作接入 ---------- */
.page-contact .partner-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 24px;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}

.page-contact .partner-col {
  background: var(--ink-900);
  padding: 22px 18px;
}

.page-contact .partner-col__title {
  margin: 0 0 14px;
  font-family: var(--cond);
  font-weight: 800;
  font-size: 17px;
  color: var(--text);
}

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

.page-contact .partner-list li {
  padding: 12px 0;
  border-bottom: 1px solid var(--contact-line);
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .partner-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

/* ---------- 纠错与回溯 ---------- */
.page-contact .flow {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}

.page-contact .flow__step {
  position: relative;
  padding: 20px 18px 20px 22px;
  background: var(--ink-800);
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 2px;
  height: 100%;
  background: var(--cyan);
  opacity: .55;
  transition: opacity var(--dur-fast) var(--ease);
}

.page-contact .flow__step:hover::before {
  opacity: 1;
}

.page-contact .flow__num {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .flow__title {
  margin: 0 0 6px;
  font-family: var(--cond);
  font-weight: 800;
  font-size: 17px;
  color: var(--text);
}

.page-contact .flow__text {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--text-dim);
}

.page-contact .flow__text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-a50);
}

/* ---------- 服务范围 ---------- */
.page-contact .scope-panel {
  margin-top: 4px;
  padding: 26px 18px;
  border: 1px solid var(--contact-line);
  background: var(--ink-800);
}

.page-contact .scope-panel__title {
  margin: 0 0 18px;
  font-family: var(--cond);
  font-weight: 800;
  font-size: clamp(1.15rem, 3.4vw, 1.5rem);
  line-height: 1.25;
  color: var(--text);
}

.page-contact .scope-list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--contact-line);
  border: 1px solid var(--contact-line);
}

.page-contact .scope-list__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 16px;
  background: var(--ink-900);
}

.page-contact .scope-list__key {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-contact .scope-list__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text);
}

.page-contact .scope-panel__actions {
  margin-top: 22px;
}

/* ---------- 断点 ---------- */
@media (min-width: 600px) {
  .page-contact .shift-notes {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .route-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .partner-grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .flow {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .scope-list__row {
    grid-template-columns: 132px 1fr;
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .channel-line {
    flex-direction: row;
    align-items: baseline;
    gap: 18px;
  }

  .page-contact .channel-line__key {
    flex: 0 0 88px;
  }

  .page-contact .brief-item {
    grid-template-columns: 76px 1fr;
    gap: 20px;
  }

  .page-contact .brief-item__num {
    font-size: 24px;
  }

  .page-contact .contact-routes__banner {
    aspect-ratio: 5 / 2;
  }

  .page-contact .contact-template {
    font-size: 13px;
  }
}

@media (min-width: 960px) {
  .page-contact .section {
    padding-top: 56px;
    padding-bottom: 56px;
  }

  .page-contact .contact-hero {
    grid-template-columns: 7fr 5fr;
    gap: 0;
    align-items: start;
    padding-top: 30px;
    padding-bottom: 56px;
  }

  .page-contact .contact-hero__lede {
    padding-right: 42px;
    border-right: 1px solid var(--contact-line);
  }

  .page-contact .contact-hero__visual {
    padding-left: 42px;
    position: sticky;
    top: calc(var(--header-h) + var(--ticker-h) + 24px);
  }

  .page-contact .flow {
    grid-template-columns: repeat(4, 1fr);
  }

  .page-contact .scope-panel {
    padding: 32px 28px;
  }
}

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

  .page-contact .route-card:hover {
    transform: none;
  }
}