.page-contact {
  --pc-edge: 3px;
  --pc-edge-bold: 4px;
  --pc-hard: 10px 10px 0 var(--cyan-400);
  --pc-hard-amber: 12px 12px 0 var(--amber-500);
  background: var(--ink-950);
  overflow-x: hidden;
}

.page-contact .section {
  padding: 60px 0;
}

.page-contact .contact-h2 {
  font-family: var(--font-display);
  font-size: clamp(26px, 6.4vw, 46px);
  font-weight: 900;
  letter-spacing: -0.04em;
  line-height: 1.06;
  margin: 8px 0 18px;
  color: var(--paper-50);
}

.page-contact .contact-h2--dark {
  color: var(--ink-950);
}

.page-contact .contact-prose {
  max-width: 38ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cyan-100);
  margin: 0 0 8px;
}

.page-contact .contact-prose--dark {
  max-width: 38ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--graphite-700);
  margin: 0 0 8px;
}

.page-contact .eyebrow--dark {
  color: var(--indigo-700);
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumbs ol {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  padding: 0;
  margin: 0 0 28px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan-100);
}

.page-contact .contact-crumbs a {
  color: var(--cyan-100);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-contact .contact-crumbs a:hover,
.page-contact .contact-crumbs a:focus-visible {
  border-bottom-color: var(--cyan-400);
}

.page-contact .contact-crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--cyan-400);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding-top: 118px;
  overflow: hidden;
}

.page-contact .contact-hero::before {
  content: "";
  position: absolute;
  top: -34vw;
  right: -46vw;
  width: 96vw;
  height: 96vw;
  background: var(--indigo-900);
  transform: rotate(26deg);
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-hero .shell {
  position: relative;
  z-index: 1;
}

.page-contact .contact-hero__title {
  font-family: var(--font-display);
  font-size: clamp(34px, 10.4vw, 96px);
  font-weight: 900;
  letter-spacing: -0.045em;
  line-height: 0.98;
  color: var(--paper-50);
  margin: 0 0 20px;
  max-width: 15ch;
}

.page-contact .contact-hero__lede {
  max-width: 36ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--cyan-100);
  margin: 0;
}

.page-contact .contact-channels {
  display: grid;
  gap: 28px;
  margin-top: 44px;
  padding-top: 28px;
  border-top: var(--pc-edge) solid var(--indigo-700);
}

.page-contact .channel__key {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan-400);
  margin-bottom: 10px;
}

.page-contact .channel__value {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(19px, 5.4vw, 36px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.2;
  color: var(--paper-50);
  margin: 0 0 12px;
  padding-bottom: 12px;
  overflow-wrap: anywhere;
  border-bottom: 2px solid var(--indigo-700);
  background-image: repeating-linear-gradient(90deg, var(--indigo-700) 0 1px, transparent 1px 11px);
  background-repeat: repeat-x;
  background-position: 0 100%;
  background-size: 11px 7px;
}

.page-contact .channel__value--amber {
  color: var(--amber-500);
}

.page-contact .channel__note {
  display: block;
  max-width: 32ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--cyan-100);
  opacity: 0.82;
}

/* ---------- 路径选择条 ---------- */
.page-contact .contact-paths {
  border-top: var(--pc-edge-bold) solid var(--ink-950);
}

.page-contact .path-rail {
  list-style: none;
  display: flex;
  gap: 14px;
  margin: 28px 0 0;
  padding: 0 0 12px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-contact .path-rail > li {
  flex: 0 0 min(76vw, 320px);
  scroll-snap-align: start;
  display: flex;
}

.page-contact .path-pill {
  display: flex;
  flex-direction: column;
  gap: 10px;
  width: 100%;
  padding: 20px 18px 22px;
  background: var(--indigo-900);
  border: var(--pc-edge) solid var(--indigo-700);
  color: var(--paper-50);
  text-decoration: none;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .path-pill:hover,
.page-contact .path-pill:focus-visible {
  transform: translateY(-3px);
  border-color: var(--cyan-400);
  box-shadow: 8px 8px 0 var(--cyan-400);
  background: var(--indigo-700);
}

.page-contact .path-pill__num {
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber-500);
}

.page-contact .path-pill__title {
  font-family: var(--font-display);
  font-size: 21px;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.2;
}

.page-contact .path-pill__meta {
  font-size: 13px;
  line-height: 1.65;
  color: var(--cyan-100);
  opacity: 0.85;
}

.page-contact .contact-flow {
  margin: 34px 0 0;
  border: var(--pc-edge) solid var(--indigo-700);
  background: var(--ink-950);
  padding: 10px;
}

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

.page-contact .contact-flow .media-caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-100);
  opacity: 0.75;
}

/* ---------- 三类咨询说明 ---------- */
.page-contact .contact-details {
  padding-top: 0;
}

.page-contact .path-details {
  display: grid;
  gap: 20px;
  margin-top: 26px;
}

.page-contact .path-detail {
  padding: 24px 20px 26px;
  background: var(--indigo-900);
  border: var(--pc-edge) solid var(--indigo-700);
  scroll-margin-top: 96px;
  transition: border-color var(--dur) var(--ease), box-shadow var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .path-detail:target {
  border-color: var(--amber-500);
  background: var(--indigo-700);
  box-shadow: var(--pc-hard-amber);
}

.page-contact .path-detail__tag {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan-400);
  margin: 0 0 12px;
}

.page-contact .path-detail h3 {
  font-family: var(--font-display);
  font-size: clamp(20px, 4.6vw, 27px);
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.25;
  color: var(--paper-50);
  margin: 0 0 12px;
}

.page-contact .path-detail p {
  max-width: 40ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cyan-100);
  margin: 0 0 6px;
}

.page-contact .tick-list {
  list-style: none;
  display: grid;
  gap: 9px;
  padding: 0;
  margin: 18px 0 22px;
}

.page-contact .tick-list li {
  position: relative;
  padding-left: 22px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--paper-50);
}

.page-contact .tick-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 10px;
  height: 2px;
  background: var(--cyan-400);
}

/* ---------- 邮件区块 ---------- */
.page-contact .contact-mail {
  border-top: var(--pc-edge-bold) solid var(--ink-950);
}

.page-contact .contact-mail__grid {
  display: grid;
  gap: 34px;
}

.page-contact .mail-steps {
  list-style: none;
  counter-reset: ms;
  padding: 0;
  margin: 26px 0 0;
  display: grid;
}

.page-contact .mail-steps li {
  counter-increment: ms;
  display: grid;
  grid-template-columns: 42px 1fr;
  gap: 14px;
  padding: 16px 0;
  border-top: 2px solid var(--paper-300);
  font-size: 15px;
  line-height: 1.75;
  color: var(--graphite-700);
}

.page-contact .mail-steps li::before {
  content: counter(ms, decimal-leading-zero);
  font-family: var(--font-num);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--amber-500);
  padding-top: 2px;
}

.page-contact .mail-sample {
  align-self: start;
  padding: 22px 20px 24px;
  background: var(--paper-50);
  border: var(--pc-edge) solid var(--ink-950);
  box-shadow: 10px 10px 0 var(--indigo-700);
}

.page-contact .mail-sample__head {
  font-family: var(--font-display);
  font-size: 15px;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink-950);
  margin: 0 0 14px;
}

.page-contact .mail-sample__row {
  display: grid;
  grid-template-columns: 50px 1fr;
  gap: 12px;
  padding: 12px 0;
  border-bottom: 1px dashed var(--paper-300);
}

.page-contact .mail-sample__key {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--indigo-700);
  padding-top: 3px;
}

.page-contact .mail-sample__val {
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite-700);
  overflow-wrap: anywhere;
}

.page-contact .mail-sample__foot {
  margin: 16px 0 0;
  font-family: var(--font-num);
  font-size: 13px;
  letter-spacing: -0.01em;
  color: var(--ink-950);
  overflow-wrap: anywhere;
}

/* ---------- 电话区块 ---------- */
.page-contact .contact-call {
  border-top: var(--pc-edge-bold) solid var(--ink-950);
}

.page-contact .call-band {
  display: grid;
  gap: 8px;
  margin: 30px 0 26px;
  padding: 22px 20px 24px;
  background: var(--indigo-900);
  border: var(--pc-edge) solid var(--cyan-400);
}

.page-contact .call-band__label {
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--cyan-400);
}

.page-contact .call-band__num {
  font-family: var(--font-num);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 9.6vw, 62px);
  font-weight: 700;
  letter-spacing: -0.02em;
  line-height: 1.1;
  color: var(--amber-500);
  margin: 0;
  overflow-wrap: anywhere;
}

.page-contact .call-band__slot {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan-100);
}

.page-contact .call-topics {
  list-style: none;
  display: grid;
  gap: 10px;
  padding: 0;
  margin: 0;
}

.page-contact .call-topics li {
  position: relative;
  padding: 12px 14px 12px 34px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-50);
  border: 2px solid var(--indigo-700);
  background: var(--indigo-900);
}

.page-contact .call-topics li::before {
  content: "";
  position: absolute;
  left: 14px;
  top: 20px;
  width: 8px;
  height: 8px;
  background: var(--amber-500);
}

/* ---------- 来访与运营主体 ---------- */
.page-contact .contact-visit {
  position: relative;
  overflow: hidden;
  background: var(--paper-50);
  border-top: var(--pc-edge-bold) solid var(--ink-950);
  border-bottom: var(--pc-edge-bold) solid var(--ink-950);
}

.page-contact .contact-visit__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.14;
  z-index: 0;
  pointer-events: none;
}

.page-contact .contact-visit__inner {
  position: relative;
  z-index: 1;
}

.page-contact .visit-grid {
  display: grid;
  gap: 20px;
  margin-top: 28px;
}

.page-contact .visit-card {
  padding: 22px 20px;
  background: var(--paper-50);
  border: var(--pc-edge) solid var(--ink-950);
}

.page-contact .visit-card__key {
  display: inline-block;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--indigo-700);
  margin-bottom: 12px;
}

.page-contact .visit-card__addr {
  font-family: var(--font-num);
  font-size: clamp(15px, 3.8vw, 20px);
  font-weight: 700;
  line-height: 1.6;
  letter-spacing: -0.01em;
  color: var(--ink-950);
  margin: 0 0 10px;
  overflow-wrap: anywhere;
}

.page-contact .visit-card__addr--text {
  font-family: var(--font-body);
  font-weight: 500;
  font-size: 15px;
  line-height: 1.8;
  color: var(--graphite-700);
}

.page-contact .visit-card__note {
  display: block;
  font-size: 13px;
  line-height: 1.7;
  color: var(--graphite-700);
  opacity: 0.9;
}

/* ---------- 对接流程 ---------- */
.page-contact .contact-route {
  border-top: var(--pc-edge-bold) solid var(--ink-950);
}

.page-contact .steps {
  list-style: none;
  display: flex;
  gap: 14px;
  margin: 30px 0 0;
  padding: 0 0 16px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  -webkit-overflow-scrolling: touch;
}

.page-contact .steps > li {
  flex: 0 0 min(72vw, 250px);
  scroll-snap-align: start;
  padding: 20px 18px 22px;
  background: var(--indigo-900);
  border: 2px solid var(--indigo-700);
}

.page-contact .steps > li:nth-child(even) {
  margin-top: 20px;
}

.page-contact .steps__num {
  display: block;
  font-family: var(--font-num);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--amber-500);
  margin-bottom: 12px;
}

.page-contact .steps h3 {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.025em;
  line-height: 1.3;
  color: var(--paper-50);
  margin: 0 0 8px;
}

.page-contact .steps p {
  font-size: 13px;
  line-height: 1.75;
  color: var(--cyan-100);
  margin: 0;
}

.page-contact .route-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

/* ---------- 中屏 ---------- */
@media (min-width: 760px) {
  .page-contact .section {
    padding: 96px 0;
  }

  .page-contact .contact-hero {
    padding-top: 150px;
    padding-bottom: 88px;
  }

  .page-contact .contact-hero__lede {
    font-size: 18px;
  }

  .page-contact .contact-channels {
    grid-template-columns: 1fr 1fr;
    gap: 48px;
    margin-top: 56px;
  }

  .page-contact .contact-mail__grid {
    grid-template-columns: 7fr 5fr;
    gap: 48px;
    align-items: start;
  }

  .page-contact .path-details {
    grid-template-columns: repeat(3, 1fr);
    gap: 18px;
  }

  .page-contact .path-detail {
    padding: 28px 22px 30px;
  }

  .page-contact .visit-grid {
    grid-template-columns: 1.15fr 1fr;
    gap: 24px;
  }

  .page-contact .call-topics {
    grid-template-columns: 1fr 1fr;
    gap: 12px;
  }

  .page-contact .path-rail > li {
    flex: 0 0 calc((100% - 28px) / 2.2);
  }
}

/* ---------- 宽屏 ---------- */
@media (min-width: 1080px) {
  .page-contact .contact-hero__title {
    max-width: 13ch;
  }

  .page-contact .path-rail {
    overflow: visible;
    padding-bottom: 0;
  }

  .page-contact .path-rail > li {
    flex: 1 1 0;
  }

  .page-contact .steps {
    overflow: visible;
    padding-bottom: 0;
  }

  .page-contact .steps > li {
    flex: 1 1 0;
  }

  .page-contact .steps > li:nth-child(even) {
    margin-top: 26px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .path-pill,
  .page-contact .path-detail,
  .page-contact .contact-crumbs a {
    transition: none;
  }

  .page-contact .path-pill:hover,
  .page-contact .path-pill:focus-visible {
    transform: none;
  }
}