.page-contact {
  display: block;
  background: var(--mnb-bg);
  color: var(--mnb-ink);
}

/* ---------- 面包屑与首屏 ---------- */
.page-contact .mnb-crumbs {
  margin: clamp(16px, 2.5vw, 26px) 0 clamp(10px, 1.6vw, 16px);
  font-family: var(--mnb-mono);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--mnb-muted);
}

.page-contact .mnb-crumbs__link {
  color: var(--mnb-cyan);
  text-decoration: none;
}

.page-contact .mnb-crumbs__link:hover {
  text-decoration: underline;
}

.page-contact .contact-lead {
  padding-bottom: clamp(24px, 4vw, 40px);
}

.page-contact .contact-lead__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 36px);
  align-items: end;
}

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

.page-contact .contact-lead__head .mnb-lead {
  color: var(--mnb-muted);
  line-height: 1.85;
}

.page-contact .contact-lead__panel {
  border: 1px solid var(--mnb-line);
  border-left: 3px solid var(--mnb-cyan);
  background: rgba(34, 211, 238, .06);
  border-radius: var(--mnb-radius);
  padding: clamp(18px, 2.4vw, 24px);
}

.page-contact .contact-metrics {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-metrics__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 12px;
  border-left: 1px solid var(--mnb-line);
}

.page-contact .contact-metrics__item:first-child {
  border-left-color: var(--mnb-cyan);
}

.page-contact .contact-metrics__label {
  font-size: 13px;
  color: var(--mnb-muted);
  letter-spacing: .03em;
}

.page-contact .contact-metrics__num {
  font-size: clamp(17px, 2vw, 21px);
  font-weight: 700;
  line-height: 1.2;
  color: var(--mnb-cyan);
  word-break: break-word;
}

/* ---------- 主分栏 ---------- */
.page-contact .contact-main {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  margin-top: clamp(24px, 3.6vw, 40px);
}

.page-contact .contact-main__form {
  background: var(--mnb-pale);
  color: #0B1B2B;
  border: 1px solid #A5DCE6;
  border-radius: var(--mnb-radius);
  padding: clamp(18px, 3vw, 30px);
}

.page-contact .contact-main__form .mnb-h2 {
  color: #0B1B2B;
}

.page-contact .contact-form__intro {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: #334155;
}

.page-contact .contact-form__media {
  margin: clamp(18px, 2.4vw, 24px) 0;
  border: 1px solid #A5DCE6;
  border-radius: var(--mnb-radius);
  overflow: hidden;
  background: #FFFFFF;
  aspect-ratio: auto;
}

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

.page-contact .contact-form__media .mnb-media__caption {
  padding: 10px 14px;
  background: #FFFFFF;
  border-top: 1px solid #A5DCE6;
  font-size: 12.5px;
  line-height: 1.6;
  color: #475569;
}

/* ---------- 标签页（浅色区） ---------- */
.page-contact .contact-form__tabs {
  margin-bottom: clamp(16px, 2.2vw, 22px);
}

.page-contact .contact-form .mnb-tabs__list {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 4px;
  background: rgba(11, 27, 43, .05);
  border: 1px solid #A5DCE6;
  border-radius: var(--mnb-radius);
}

.page-contact .contact-form .mnb-tabs__tab {
  flex: 1 1 auto;
  min-height: 44px;
  padding: 10px 14px;
  border: 1px solid transparent;
  border-radius: 3px;
  background: transparent;
  color: #0B1B2B;
  font-family: var(--mnb-body);
  font-size: 15px;
  cursor: pointer;
  transition: background 180ms var(--mnb-ease), color 180ms var(--mnb-ease), box-shadow 180ms var(--mnb-ease);
}

.page-contact .contact-form .mnb-tabs__tab:hover:not([aria-selected="true"]) {
  background: rgba(49, 46, 129, .1);
}

.page-contact .contact-form .mnb-tabs__tab[aria-selected="true"] {
  background: var(--mnb-indigo);
  border-color: var(--mnb-indigo);
  color: var(--mnb-ink);
  box-shadow: inset 0 -3px 0 var(--mnb-cyan);
}

.page-contact .contact-form .mnb-tabs__tab:focus-visible {
  outline: 2px solid var(--mnb-cyan);
  outline-offset: 2px;
}

.page-contact .contact-tab {
  padding: 16px 18px;
  border: 1px solid #A5DCE6;
  border-top: none;
  background: #FFFFFF;
  border-radius: 0 0 var(--mnb-radius) var(--mnb-radius);
}

.page-contact .contact-tab[hidden] {
  display: none;
}

.page-contact .contact-tab__title {
  margin: 0 0 8px;
  font-family: var(--mnb-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: #0B1B2B;
}

.page-contact .contact-tab p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: #334155;
}

/* ---------- 设备与问题选择 ---------- */
.page-contact .contact-picker {
  margin-top: 16px;
}

.page-contact .contact-picker__label {
  margin: 0 0 8px;
  font-family: var(--mnb-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: #475569;
}

.page-contact .contact-picker__row {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-contact .contact-picker__input {
  position: absolute;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .contact-picker__chip {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  padding: 0 16px;
  border: 1px solid #94A3B8;
  border-radius: 999px;
  background: #FFFFFF;
  color: #0B1B2B;
  font-size: 14px;
  line-height: 1.3;
  cursor: pointer;
  transition: background 160ms var(--mnb-ease), border-color 160ms var(--mnb-ease), color 160ms var(--mnb-ease);
}

.page-contact .contact-picker__input:checked + .contact-picker__chip {
  background: var(--mnb-indigo);
  border-color: var(--mnb-indigo);
  color: var(--mnb-ink);
}

.page-contact .contact-picker__input:focus-visible + .contact-picker__chip {
  outline: 2px solid var(--mnb-cyan);
  outline-offset: 2px;
}

.page-contact .contact-form__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin-top: clamp(18px, 2.4vw, 24px);
  padding-top: clamp(16px, 2.2vw, 20px);
  border-top: 1px solid #A5DCE6;
}

.page-contact .contact-form__hint {
  flex: 1 1 220px;
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: #475569;
}

/* ---------- 右侧联系方式 ---------- */
.page-contact .contact-side {
  display: grid;
  gap: clamp(16px, 2.2vw, 22px);
  align-content: start;
}

.page-contact .contact-side__block {
  border: 1px solid var(--mnb-line);
  border-radius: var(--mnb-radius);
  padding: clamp(18px, 2.4vw, 26px);
  background: rgba(14, 59, 67, .45);
}

.page-contact .contact-side__block--scope {
  background: rgba(49, 46, 129, .28);
  border-color: rgba(34, 211, 238, .3);
}

.page-contact .contact-channels {
  margin: 14px 0 0;
  display: grid;
}

.page-contact .contact-channels__row {
  display: grid;
  grid-template-columns: minmax(76px, 92px) minmax(0, 1fr);
  gap: 12px;
  padding: 12px 0;
  border-top: 1px solid var(--mnb-line);
}

.page-contact .contact-channels__row:first-child {
  border-top: none;
  padding-top: 0;
}

.page-contact .contact-channels__key {
  margin: 0;
  font-family: var(--mnb-mono);
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--mnb-muted);
}

.page-contact .contact-channels__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mnb-ink);
  word-break: break-word;
}

.page-contact .contact-channels__val--mono {
  font-family: var(--mnb-mono);
  color: var(--mnb-cyan);
}

.page-contact .contact-side__note {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--mnb-line);
  font-size: 14px;
  line-height: 1.8;
  color: var(--mnb-muted);
}

.page-contact .contact-side__note .mnb-mono {
  color: var(--mnb-yellow);
  word-break: break-all;
}

.page-contact .contact-side__block--scope .mnb-list {
  margin: 14px 0 0;
}

.page-contact .contact-side__block--scope .mnb-list__item {
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mnb-ink);
}

/* ---------- 工单指引 ---------- */
.page-contact .contact-guide {
  padding-top: clamp(28px, 4vw, 44px);
}

.page-contact .contact-guide__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 40px);
}

.page-contact .contact-guide__text p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mnb-muted);
}

.page-contact .contact-guide__more a,
.page-contact .contact-scenes__note a,
.page-contact .contact-flow__note a {
  color: var(--mnb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .45);
}

.page-contact .contact-guide__more a:hover,
.page-contact .contact-scenes__note a:hover,
.page-contact .contact-flow__note a:hover {
  border-bottom-color: var(--mnb-cyan);
}

.page-contact .contact-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .contact-checklist__item {
  display: grid;
  grid-template-columns: 40px minmax(0, 1fr);
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--mnb-line);
  border-left: 3px solid var(--mnb-orange);
  border-radius: var(--mnb-radius);
  background: rgba(11, 27, 43, .65);
}

.page-contact .contact-checklist__num {
  font-size: 16px;
  line-height: 1.5;
  color: var(--mnb-orange);
}

.page-contact .contact-checklist__item h3 {
  margin: 0 0 6px;
  font-family: var(--mnb-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mnb-ink);
}

.page-contact .contact-checklist__item p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--mnb-muted);
}

/* ---------- 场景 ---------- */
.page-contact .contact-scenes__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 2vw, 22px);
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-contact .contact-scene {
  padding: clamp(18px, 2.4vw, 24px);
  border: 1px solid var(--mnb-line);
  border-top: 3px solid var(--mnb-cyan);
  border-radius: var(--mnb-radius);
  background: rgba(14, 59, 67, .35);
}

.page-contact .contact-scene:nth-child(2) {
  border-top-color: var(--mnb-orange);
}

.page-contact .contact-scene:nth-child(3) {
  border-top-color: var(--mnb-yellow);
}

.page-contact .contact-scene__tag {
  display: inline-block;
  margin: 0 0 10px;
  padding: 3px 10px;
  border: 1px solid currentColor;
  border-radius: 2px;
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mnb-cyan);
}

.page-contact .contact-scene:nth-child(2) .contact-scene__tag {
  color: var(--mnb-orange);
}

.page-contact .contact-scene:nth-child(3) .contact-scene__tag {
  color: var(--mnb-yellow);
}

.page-contact .contact-scene h3 {
  margin: 0 0 8px;
  font-family: var(--mnb-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mnb-ink);
}

.page-contact .contact-scene p {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mnb-muted);
}

.page-contact .contact-scenes__note {
  margin: clamp(16px, 2.2vw, 22px) 0 0;
  padding: 12px 0 12px 14px;
  border-left: 3px solid var(--mnb-orange);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mnb-muted);
}

/* ---------- 处理流程 ---------- */
.page-contact .contact-flow__media {
  margin: clamp(18px, 2.6vw, 26px) 0;
  border: 1px solid var(--mnb-line);
  border-radius: var(--mnb-radius);
  overflow: hidden;
  background: rgba(34, 211, 238, .05);
  aspect-ratio: auto;
}

.page-contact .contact-flow__media img {
  display: block;
  width: 100%;
  height: auto;
}

.page-contact .contact-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .contact-flow__step {
  position: relative;
  padding: 18px 16px 20px;
  border: 1px solid var(--mnb-line);
  border-radius: var(--mnb-radius);
  background: rgba(11, 27, 43, .7);
}

.page-contact .contact-flow__step::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 3px;
  height: 100%;
  background: var(--mnb-cyan);
  border-radius: var(--mnb-radius) 0 0 var(--mnb-radius);
}

.page-contact .contact-flow__step:nth-child(4)::before,
.page-contact .contact-flow__step:nth-child(5)::before {
  background: var(--mnb-orange);
}

.page-contact .contact-flow__num {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--mnb-yellow);
}

.page-contact .contact-flow__step h3 {
  margin: 0 0 8px;
  font-family: var(--mnb-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--mnb-ink);
}

.page-contact .contact-flow__step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--mnb-muted);
}

.page-contact .contact-flow__note {
  margin: clamp(18px, 2.4vw, 24px) 0 clamp(36px, 5vw, 64px);
  padding: 14px 18px;
  border: 1px dashed rgba(148, 163, 184, .45);
  border-radius: var(--mnb-radius);
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--mnb-muted);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) {
  .page-contact .contact-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 640px) {
  .page-contact .contact-checklist {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 800px) {
  .page-contact .contact-scenes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 860px) {
  .page-contact .contact-flow {
    grid-template-columns: repeat(5, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .contact-flow__step:not(:last-child)::after {
    content: "";
    position: absolute;
    top: 26px;
    right: -18px;
    width: 18px;
    height: 2px;
    background: var(--mnb-cyan);
    opacity: .55;
  }
}

@media (min-width: 900px) {
  .page-contact .contact-lead__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }
}

@media (min-width: 960px) {
  .page-contact .contact-guide__grid {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    align-items: start;
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-main {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-picker__chip,
  .page-contact .contact-form .mnb-tabs__tab {
    transition: none;
  }
}