/* ===== 联系通道页 专属样式（全部限定在 .page-contact 作用域内） ===== */

.page-contact {
  --ct-node: clamp(32px, 9vw, 42px);
  --ct-hit: calc(var(--header-h) + 16px);
  position: relative;
  background:
    radial-gradient(90% 55% at 100% 0%, rgba(79, 209, 197, 0.07), transparent 62%),
    radial-gradient(70% 45% at 0% 12%, rgba(124, 228, 155, 0.06), transparent 60%),
    var(--ink);
  color: var(--silver);
  font-family: var(--font-body);
  line-height: 1.75;
  overflow-x: clip;
  padding-bottom: clamp(56px, 8vw, 120px);
}

.page-contact .ct-band {
  padding-block: clamp(38px, 5.6vw, 72px);
}

.page-contact .ct-band + .ct-band {
  border-top: 1px solid var(--line-soft);
}

/* ---------- 首屏 ---------- */
.page-contact .ct-hero {
  padding-block: clamp(24px, 4.2vw, 50px) clamp(28px, 4.4vw, 54px);
}

.page-contact .ct-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 6.6vw, 68px);
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--cream);
  max-width: 15ch;
}

.page-contact .ct-hero__lede {
  margin-top: clamp(16px, 2.4vw, 26px);
  max-width: 64ch;
  color: var(--steel);
}

.page-contact .ct-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: clamp(20px, 3vw, 32px) 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .ct-jump a {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  padding: 9px 18px 9px 15px;
  border: 1px solid var(--line);
  border-radius: var(--radius-pill);
  background: rgba(18, 51, 40, 0.5);
  color: var(--steel);
  font-size: 14px;
  text-decoration: none;
  transition: border-color 120ms var(--ease), color 120ms var(--ease),
    background-color 120ms var(--ease);
}

.page-contact .ct-jump a::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--turf);
  box-shadow: 0 0 0 3px rgba(124, 228, 155, 0.16);
  flex: none;
}

.page-contact .ct-jump a:hover,
.page-contact .ct-jump a:focus-visible {
  border-color: var(--turf);
  color: var(--cream);
  background: rgba(124, 228, 155, 0.09);
}

/* ---------- 联系渠道 ---------- */
.page-contact .ct-channel__lead {
  max-width: 62ch;
  margin: 0 0 clamp(18px, 2.6vw, 28px);
  color: var(--steel);
}

.page-contact .channel-stage {
  position: relative;
  margin-top: clamp(18px, 3vw, 30px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-xl);
  overflow: hidden;
  isolation: isolate;
}

.page-contact .channel-stage__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.55) contrast(1.06);
  z-index: -2;
}

.page-contact .channel-stage__veil {
  position: absolute;
  inset: 0;
  background:
    linear-gradient(180deg, rgba(13, 20, 18, 0.62) 0%, rgba(13, 20, 18, 0.9) 62%, var(--ink) 100%);
  z-index: -1;
}

.page-contact .channel-stage__inner {
  position: relative;
  padding: clamp(20px, 3.4vw, 44px);
}

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

.page-contact .channel-card {
  display: grid;
  gap: 8px;
  align-content: start;
  padding: clamp(16px, 2.2vw, 24px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: rgba(13, 20, 18, 0.66);
}

.page-contact .channel-card__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--stone);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(15px, 1.7vw, 18px);
  line-height: 1.5;
  color: var(--turf);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value--addr {
  font-size: clamp(14px, 1.5vw, 16px);
  line-height: 1.75;
  color: var(--cream);
}

.page-contact .channel-card__meta {
  margin: 0;
  font-size: 13px;
  line-height: 1.65;
  color: var(--stone);
}

/* ---------- 三条路径 ---------- */
.page-contact .paths-figure {
  margin: clamp(20px, 3vw, 32px) 0 clamp(24px, 3.4vw, 40px);
}

.page-contact .triage {
  position: relative;
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: clamp(16px, 2.4vw, 26px);
}

.page-contact .triage::before {
  content: "";
  position: absolute;
  left: calc(var(--ct-node) / 2 - 1px);
  top: 14px;
  bottom: 14px;
  width: 2px;
  background: linear-gradient(
    180deg,
    rgba(124, 228, 155, 0.85) 0%,
    rgba(58, 97, 82, 0.85) 46%,
    rgba(58, 97, 82, 0.15) 100%
  );
}

.page-contact .triage__item {
  display: grid;
  grid-template-columns: var(--ct-node) minmax(0, 1fr);
  align-items: start;
}

.page-contact .triage__node {
  grid-column: 1;
  width: var(--ct-node);
  height: var(--ct-node);
  margin-top: 14px;
  display: flex;
  align-items: center;
  justify-content: center;
  border: 2px solid var(--line);
  border-radius: var(--radius-pill);
  background: var(--ink);
  color: var(--turf);
  font-family: var(--font-mono);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  line-height: 1;
  position: relative;
  z-index: 1;
  transition: border-color 120ms var(--ease), box-shadow 120ms var(--ease);
}

.page-contact .triage__item:hover .triage__node {
  border-color: var(--turf);
}

.page-contact .triage__box {
  grid-column: 2;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(155deg, rgba(18, 51, 40, 0.9), rgba(13, 20, 18, 0.92));
  transition: border-color 200ms var(--ease);
}

.page-contact .triage__box[open] {
  border-color: var(--line);
}

.page-contact .triage__summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 14px;
  padding: clamp(15px, 2.3vw, 22px) clamp(16px, 2.6vw, 26px);
  border-radius: var(--radius-lg);
}

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

.page-contact .triage__summary::marker {
  content: "";
}

.page-contact .triage__summary:focus-visible {
  outline: 2px solid var(--turf);
  outline-offset: -2px;
}

.page-contact .triage__title {
  margin: 0;
  flex: 1 1 auto;
  min-width: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(18px, 2.3vw, 23px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-contact .triage__cue {
  flex: none;
  width: 11px;
  height: 11px;
  margin-top: -6px;
  border-right: 2px solid var(--turf);
  border-bottom: 2px solid var(--turf);
  transform: rotate(45deg);
  transition: transform 240ms var(--ease), margin-top 240ms var(--ease);
}

.page-contact .triage__box[open] .triage__cue {
  transform: rotate(225deg);
  margin-top: 6px;
}

.page-contact .triage__body {
  display: grid;
  gap: 14px;
  padding: clamp(14px, 2vw, 20px) clamp(16px, 2.6vw, 26px) clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--line-soft);
}

.page-contact .triage__body p {
  margin: 0;
  max-width: 64ch;
  color: var(--steel);
  font-size: 15.5px;
}

.page-contact .triage__sub {
  margin: 4px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 400;
  letter-spacing: 0.14em;
  color: var(--amber);
}

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

.page-contact .checklist li {
  position: relative;
  padding: 10px 0 10px 24px;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.7;
  color: var(--steel);
  overflow-wrap: anywhere;
}

.page-contact .checklist li:first-child {
  border-top: 0;
}

.page-contact .checklist li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 19px;
  width: 7px;
  height: 7px;
  border-radius: 2px;
  background: var(--amber);
  transform: rotate(45deg);
}

.page-contact .triage__body .note {
  margin: 2px 0 0;
}

/* ---------- 来访与通信 ---------- */
.page-contact .visit-layout {
  display: grid;
  gap: clamp(26px, 4vw, 48px);
  align-items: start;
}

.page-contact .visit-body .lede {
  max-width: 62ch;
  color: var(--steel);
}

.page-contact .visit-facts {
  margin: clamp(20px, 2.8vw, 30px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-contact .visit-facts__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .visit-facts__row:first-child {
  border-top: 1px solid var(--line-soft);
}

.page-contact .visit-facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--stone);
}

.page-contact .visit-facts dd {
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cream);
  overflow-wrap: anywhere;
}

.page-contact .visit-note {
  margin-top: clamp(18px, 2.6vw, 26px);
  max-width: 60ch;
}

.page-contact .visit-map {
  position: relative;
  min-height: clamp(200px, 34vw, 300px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-xl);
  overflow: hidden;
  background:
    linear-gradient(rgba(58, 97, 82, 0.32) 1px, transparent 1px) 0 0 / 100% 38px,
    linear-gradient(90deg, rgba(58, 97, 82, 0.32) 1px, transparent 1px) 0 0 / 38px 100%,
    radial-gradient(80% 80% at 70% 28%, rgba(124, 228, 155, 0.12), transparent 66%),
    var(--deep);
}

.page-contact .visit-map::before {
  content: "";
  position: absolute;
  left: 24%;
  top: -24%;
  width: 1px;
  height: 148%;
  background: linear-gradient(180deg, transparent, var(--turf), transparent);
  transform: rotate(26deg);
  opacity: 0.5;
}

.page-contact .visit-map::after {
  content: "";
  position: absolute;
  left: 68%;
  top: 58%;
  width: 14px;
  height: 14px;
  margin: -7px 0 0 -7px;
  border-radius: 50%;
  background: var(--amber);
  box-shadow: 0 0 0 6px rgba(228, 121, 74, 0.16), 0 0 0 14px rgba(228, 121, 74, 0.07);
  animation: ct-pulse 3.4s var(--ease) infinite;
}

.page-contact .visit-map__ring {
  position: absolute;
  left: 68%;
  top: 58%;
  width: 96px;
  height: 96px;
  margin: -48px 0 0 -48px;
  border: 1px dashed rgba(169, 183, 198, 0.35);
  border-radius: 50%;
}

@keyframes ct-pulse {
  0%,
  100% {
    box-shadow: 0 0 0 6px rgba(228, 121, 74, 0.16), 0 0 0 14px rgba(228, 121, 74, 0.07);
  }
  50% {
    box-shadow: 0 0 0 10px rgba(228, 121, 74, 0.2), 0 0 0 24px rgba(228, 121, 74, 0.03);
  }
}

/* ---------- 收尾 ---------- */
.page-contact .ct-tail {
  margin-top: clamp(28px, 4.4vw, 56px);
}

.page-contact .ct-tail__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(20px, 3vw, 32px);
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  background: linear-gradient(135deg, rgba(18, 51, 40, 0.85), rgba(13, 20, 18, 0.9));
}

.page-contact .ct-tail__text {
  margin: 0;
  flex: 1 1 260px;
  max-width: 56ch;
  font-size: 15.5px;
  color: var(--steel);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-contact .visit-facts__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 760px) {
  .page-contact .channel-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .visit-layout {
    grid-template-columns: minmax(0, 1.2fr) minmax(0, 0.8fr);
  }

  .page-contact .paths-figure {
    margin-bottom: clamp(30px, 4vw, 46px);
  }
}

@media (min-width: 1080px) {
  .page-contact .ct-hero__title {
    max-width: 18ch;
  }
}

@media (max-width: 480px) {
  .page-contact .triage__summary {
    padding-inline: 14px;
  }

  .page-contact .triage__body {
    padding-inline: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .visit-map::after {
    animation: none;
  }

  .page-contact .triage__cue,
  .page-contact .triage__node,
  .page-contact .ct-jump a {
    transition: none;
  }
}