.page-contact {
  --contact-gap: clamp(52px, 7vw, 96px);
  --contact-inset: clamp(20px, 3vw, 32px);
  background:
    radial-gradient(1100px 560px at 84% -8%, rgba(52, 227, 212, 0.10), transparent 62%),
    radial-gradient(900px 520px at -12% 44%, rgba(255, 122, 47, 0.07), transparent 60%),
    var(--ink);
  color: var(--ice);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  padding-bottom: clamp(56px, 8vw, 96px);
  overflow-x: hidden;
}

.page-contact * {
  min-width: 0;
}

/* ---------- 面包屑 ---------- */
.page-contact .breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  padding: 26px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--carbon);
}

.page-contact .breadcrumbs__link {
  color: var(--carbon);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur), border-color var(--dur);
}

.page-contact .breadcrumbs__link:hover,
.page-contact .breadcrumbs__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding: 38px 0 0;
  max-width: 880px;
}

.page-contact .contact-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(34px, 7vw, 60px);
  line-height: 1.08;
  letter-spacing: 0.05em;
  color: var(--white);
}

.page-contact .contact-hero__lead {
  margin: 0;
  max-width: 66ch;
  font-size: clamp(15px, 1.6vw, 17px);
  color: rgba(230, 241, 248, 0.82);
}

.page-contact .contact-hero__facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-contact .contact-hero__fact {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 2px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
}

.page-contact .contact-hero__fact-k {
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--carbon);
}

.page-contact .contact-hero__fact-v {
  color: var(--ice);
  text-align: right;
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding: var(--contact-gap) 0 0;
}

.page-contact .section__index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-contact .section__title {
  margin: 10px 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(24px, 4.4vw, 36px);
  line-height: 1.2;
  letter-spacing: 0.05em;
  color: var(--white);
}

.page-contact .section__lead {
  margin: 0 0 26px;
  max-width: 68ch;
  color: rgba(230, 241, 248, 0.72);
  font-size: 15px;
}

/* ---------- 三条通道 ---------- */
.page-contact .channels-section .section__lead {
  margin-bottom: 26px;
}

.page-contact .channels {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .channel-card {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 26px 22px 24px;
  background: linear-gradient(165deg, rgba(19, 44, 66, 0.95), rgba(6, 17, 28, 0.9));
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  overflow: hidden;
  transition: border-color var(--dur-slow), transform var(--dur-slow);
}

.page-contact .channel-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), rgba(52, 227, 212, 0));
}

.page-contact .channel-card--orange::before {
  background: linear-gradient(90deg, var(--orange), rgba(255, 122, 47, 0));
}

.page-contact .channel-card:hover {
  border-color: rgba(52, 227, 212, 0.42);
  transform: translateY(-3px);
}

.page-contact .channel-card--orange:hover {
  border-color: rgba(255, 122, 47, 0.45);
}

.page-contact .channel-card__index {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--carbon);
}

.page-contact .channel-card__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 22px;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.6;
  letter-spacing: 0.01em;
  color: var(--cyan);
  word-break: break-word;
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  color: var(--ice);
}

.page-contact .channel-card__copy {
  align-self: flex-start;
  margin-top: 2px;
  padding: 6px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--ice);
  background: rgba(52, 227, 212, 0.08);
  border: 1px solid rgba(52, 227, 212, 0.3);
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background var(--dur), color var(--dur), border-color var(--dur);
}

.page-contact .channel-card__copy:hover,
.page-contact .channel-card__copy:focus-visible {
  background: rgba(52, 227, 212, 0.18);
  border-color: var(--cyan);
  color: var(--white);
}

.page-contact .channel-card__desc {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: rgba(230, 241, 248, 0.6);
}

/* ---------- 值守时段 ---------- */
.page-contact .duty-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  align-items: start;
}

.page-contact .duty-copy .section__lead {
  margin-bottom: 22px;
}

.page-contact .duty-bar {
  margin: 0 0 22px;
}

.page-contact .duty-bar__track {
  position: relative;
  height: 48px;
  border-radius: var(--r-pill);
  border: 1px solid var(--line-soft);
  background: linear-gradient(
    90deg,
    rgba(108, 123, 139, 0.14) 0 37.5%,
    rgba(52, 227, 212, 0.16) 37.5% 87.5%,
    rgba(108, 123, 139, 0.14) 87.5% 100%
  );
  overflow: hidden;
  cursor: default;
}

.page-contact .duty-bar__range {
  position: absolute;
  top: 7px;
  bottom: 7px;
  left: 37.5%;
  right: 12.5%;
  border-radius: var(--r-pill);
  background: linear-gradient(90deg, var(--cyan), var(--mint));
  box-shadow: 0 0 22px rgba(52, 227, 212, 0.3);
  transition: box-shadow var(--dur-slow);
}

.page-contact .duty-bar__track:hover .duty-bar__range,
.page-contact .duty-bar__track:focus-visible .duty-bar__range {
  box-shadow: 0 0 34px rgba(52, 227, 212, 0.6);
}

.page-contact .duty-bar__flag {
  position: absolute;
  top: 50%;
  left: 62.5%;
  transform: translate(-50%, -50%);
  font-size: 11px;
  letter-spacing: 0.08em;
  white-space: nowrap;
  color: #04161a;
  background: rgba(255, 255, 255, 0.86);
  padding: 3px 12px;
  border-radius: var(--r-pill);
  opacity: 0;
  transition: opacity var(--dur-slow);
}

.page-contact .duty-bar__track:hover .duty-bar__flag,
.page-contact .duty-bar__track:focus-visible .duty-bar__flag {
  opacity: 1;
}

.page-contact .duty-bar__ticks {
  display: flex;
  justify-content: space-between;
  margin-top: 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--carbon);
}

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

.page-contact .duty-facts__item {
  display: flex;
  gap: 14px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  color: rgba(230, 241, 248, 0.72);
}

.page-contact .duty-facts__k {
  flex: 0 0 62px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-contact .duty-figure {
  margin: 0;
}

/* ---------- 分流路径 ---------- */
.page-contact .route-map {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.page-contact .route-node {
  background: rgba(19, 44, 66, 0.62);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-md);
  transition: border-color var(--dur-slow), background var(--dur-slow);
}

.page-contact .route-node[open] {
  background: rgba(19, 44, 66, 0.92);
  border-color: rgba(52, 227, 212, 0.34);
}

.page-contact .route-node__head {
  display: grid;
  grid-template-columns: auto 1fr auto;
  grid-template-areas:
    "num label chev"
    "num hint chev";
  align-items: center;
  column-gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
}

.page-contact .route-node__head::-webkit-details-marker {
  display: none;
}

.page-contact .route-node__num {
  grid-area: num;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--cyan);
  border: 1px solid rgba(52, 227, 212, 0.4);
  border-radius: var(--r-pill);
  padding: 4px 11px;
  align-self: center;
}

.page-contact .route-node__label {
  grid-area: label;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: 0.06em;
  color: var(--white);
}

.page-contact .route-node__hint {
  grid-area: hint;
  font-size: 12px;
  color: var(--carbon);
  letter-spacing: 0.02em;
}

.page-contact .route-node__chev {
  grid-area: chev;
  position: relative;
  width: 18px;
  height: 18px;
  align-self: center;
}

.page-contact .route-node__chev::before,
.page-contact .route-node__chev::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--cyan);
  transform: translate(-50%, -50%);
  transition: transform var(--dur), opacity var(--dur);
}

.page-contact .route-node__chev::before {
  width: 14px;
  height: 2px;
}

.page-contact .route-node__chev::after {
  width: 2px;
  height: 14px;
}

.page-contact .route-node[open] .route-node__chev::after {
  transform: translate(-50%, -50%) scaleY(0);
  opacity: 0;
}

.page-contact .route-node__body {
  padding: 0 20px 22px;
  border-top: 1px solid var(--line);
  margin-top: 2px;
  padding-top: 16px;
}

.page-contact .route-node__body p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(230, 241, 248, 0.76);
}

.page-contact .route-node__list {
  margin: 0 0 14px;
  padding: 0 0 0 2px;
  list-style: none;
}

.page-contact .route-node__list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 7px;
  font-size: 14px;
  color: rgba(230, 241, 248, 0.66);
}

.page-contact .route-node__list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 11px;
  width: 8px;
  height: 2px;
  background: var(--orange);
}

.page-contact .route-node__action {
  margin: 0;
  font-size: 13.5px;
  color: var(--carbon);
}

.page-contact .route-node__mail {
  color: var(--cyan);
}

/* ---------- 山西本地服务 ---------- */
.page-contact .local-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: start;
}

.page-contact .local-figure {
  margin: 0;
}

.page-contact .local-body .section__title {
  margin-bottom: 14px;
}

.page-contact .local-body > p {
  margin: 0 0 20px;
  font-size: 15px;
  color: rgba(230, 241, 248, 0.76);
}

.page-contact .local-meta {
  margin: 0 0 18px;
  border-top: 1px solid var(--line);
}

.page-contact .local-meta__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .local-meta__k {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--carbon);
}

.page-contact .local-meta__v {
  margin: 0;
  font-size: 14.5px;
  color: var(--ice);
}

.page-contact .local-note {
  margin: 0 0 22px;
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 14px;
  color: rgba(230, 241, 248, 0.66);
}

.page-contact .local-cta {
  display: inline-block;
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-section .section__lead {
  margin-bottom: 24px;
}

.page-contact .prep-list {
  margin: 0 0 28px;
  padding: 0;
  list-style: none;
  counter-reset: prep;
}

.page-contact .prep-list__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 0;
  border-top: 1px solid var(--line);
}

.page-contact .prep-list__item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-list__num {
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--orange);
  padding-top: 4px;
}

.page-contact .prep-list__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.05em;
  color: var(--white);
}

.page-contact .prep-list__body p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: rgba(230, 241, 248, 0.7);
}

.page-contact .prep-aside {
  padding: 22px;
  background: rgba(27, 59, 73, 0.5);
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
}

.page-contact .prep-aside__text {
  margin: 0 0 16px;
  font-size: 14.5px;
  color: rgba(230, 241, 248, 0.76);
}

.page-contact .prep-aside__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 收束条 ---------- */
.page-contact .closing {
  margin-top: var(--contact-gap);
}

.page-contact .closing__inner {
  padding: 26px 22px;
  border-radius: var(--r-lg);
  border: 1px solid rgba(52, 227, 212, 0.22);
  background:
    linear-gradient(120deg, rgba(19, 44, 66, 0.9), rgba(6, 17, 28, 0.92)),
    var(--ink-deep);
}

.page-contact .closing__kicker {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--orange);
}

.page-contact .closing__text {
  margin: 0;
  font-size: 15px;
  color: rgba(230, 241, 248, 0.82);
}

.page-contact .closing__text .mono {
  color: var(--cyan);
}

.page-contact .mono {
  font-family: var(--font-mono);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-hero__facts {
    grid-template-columns: repeat(3, 1fr);
    gap: 0 28px;
  }

  .page-contact .contact-hero__fact {
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
  }

  .page-contact .contact-hero__fact-v {
    text-align: left;
  }

  .page-contact .local-meta__row {
    grid-template-columns: 96px 1fr;
    gap: 14px;
  }
}

@media (min-width: 860px) {
  .page-contact .channels {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-contact .duty-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    gap: 40px;
  }

  .page-contact .local-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 40px;
  }

  .page-contact .route-node__head {
    grid-template-columns: auto minmax(0, 220px) 1fr auto;
    grid-template-areas: "num label hint chev";
    column-gap: 18px;
  }

  .page-contact .closing__inner {
    padding: 32px 34px;
  }
}

@media (min-width: 1080px) {
  .page-contact .contact-hero {
    padding-top: 46px;
  }

  .page-contact .channel-card {
    padding: 30px 26px 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .duty-bar__range,
  .page-contact .duty-bar__flag,
  .page-contact .route-node,
  .page-contact .route-node__chev::before,
  .page-contact .route-node__chev::after,
  .page-contact .breadcrumbs__link {
    transition: none;
  }

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