.page-contact {
  --contact-rail-w: 320px;
  --contact-card-bg: linear-gradient(155deg, rgba(28, 46, 40, .96), rgba(17, 23, 20, .98));
  display: block;
}

.page-contact .breadcrumbs {
  margin-top: var(--sp-3);
  font-size: var(--fs-micro);
  color: var(--sage);
}

.page-contact .contact-hero {
  display: grid;
  gap: var(--sp-4);
  padding-block: var(--sp-4) var(--sp-5);
}

.page-contact .contact-hero__copy {
  display: grid;
  gap: var(--sp-3);
  align-content: start;
}

.page-contact .contact-hero h1 {
  margin: 0;
  font-family: var(--font-body);
  font-size: clamp(1.85rem, 6.2vw, 3.4rem);
  line-height: 1.05;
  letter-spacing: -.012em;
  color: var(--mist);
}

.page-contact .contact-hero .section__lead {
  margin: 0;
  max-width: 48ch;
  font-size: var(--fs-lead);
  color: rgba(232, 237, 230, .8);
}

.page-contact .hero-pills {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__media {
  position: relative;
  margin: 0;
  border: var(--edge-lime);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--charcoal);
  box-shadow: var(--shadow-panel);
}

.page-contact .contact-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

.page-contact .contact-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, rgba(11, 31, 26, 0) 38%, rgba(11, 31, 26, .88) 100%);
  pointer-events: none;
}

.page-contact .contact-deck {
  border-top: var(--line);
  padding-top: var(--sp-5);
}

.page-contact .contact-deck .section__head {
  margin-bottom: var(--sp-4);
}

.page-contact .contact-split {
  display: grid;
  gap: var(--sp-4);
  align-items: start;
}

/* ------- 左侧渠道档案栏 ------- */
.page-contact .channel-rail {
  display: grid;
  gap: var(--sp-2);
  align-content: start;
}

.page-contact .channel-rail__title {
  margin: 0 0 var(--sp-1);
  font-size: var(--fs-eyebrow);
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .channel-card {
  padding: var(--sp-3);
  border: var(--line);
  border-radius: var(--r-md);
  background: var(--panel-deep);
}

.page-contact .channel-card--time {
  border-color: rgba(242, 193, 78, .34);
  background: linear-gradient(150deg, rgba(42, 61, 53, .9), rgba(28, 46, 40, .95));
}

.page-contact .channel-card--meta {
  background: transparent;
  border-style: dashed;
}

.page-contact .channel-card__label {
  margin: 0 0 var(--sp-1);
  font-size: var(--fs-micro);
  letter-spacing: .06em;
  color: var(--sage);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .9375rem;
  line-height: 1.5;
  color: var(--lime);
  overflow-wrap: anywhere;
}

.page-contact .channel-card__value a {
  color: inherit;
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, .38);
}

.page-contact .channel-card__value a:hover,
.page-contact .channel-card__value a:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

.page-contact .channel-card__value--tel {
  font-size: 1.25rem;
  letter-spacing: .02em;
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-body);
  font-size: .9375rem;
  color: var(--mist);
}

.page-contact .channel-card__value--plain {
  color: var(--gold);
}

.page-contact .channel-card__note {
  margin: var(--sp-2) 0 0;
  font-size: var(--fs-micro);
  line-height: 1.65;
  color: rgba(154, 168, 158, .95);
}

/* ------- 右侧咨询档案卡 ------- */
.page-contact .topic-stack {
  display: grid;
  gap: var(--sp-3);
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(1.1rem, 3.2vw, 1.85rem);
  border: var(--line);
  border-radius: var(--r-lg);
  background: var(--contact-card-bg);
  box-shadow: var(--shadow-panel);
  transition: transform .28s ease, border-color .28s ease, box-shadow .28s ease;
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: clamp(1.1rem, 3.2vw, 1.85rem);
  width: 3px;
  height: 2.25rem;
  border-radius: var(--r-pill);
  background: var(--lime);
  opacity: .75;
}

.page-contact .contact-card:hover {
  transform: translateY(-3px);
  border-color: rgba(198, 255, 61, .5);
}

.page-contact .contact-card--feature {
  border-color: rgba(242, 193, 78, .38);
}

.page-contact .contact-card__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: var(--sp-2);
  margin-bottom: var(--sp-2);
}

.page-contact .contact-card__index {
  font-family: var(--font-mono);
  font-size: var(--fs-eyebrow);
  letter-spacing: .08em;
}

.page-contact .contact-card__title {
  margin: 0;
  font-size: var(--fs-h3);
  font-weight: 600;
  letter-spacing: -.005em;
  color: var(--mist);
}

.page-contact .contact-card__kicker {
  flex: 1 1 100%;
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-micro);
  color: rgba(154, 168, 158, .9);
}

.page-contact .contact-card__body p {
  margin: 0;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: rgba(232, 237, 230, .82);
}

.page-contact .contact-card__media {
  margin: var(--sp-3) 0 0;
  border-radius: var(--r-md);
  overflow: hidden;
  border: 1px solid rgba(58, 90, 76, .6);
}

.page-contact .contact-card__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
}

.page-contact .contact-card__foot {
  margin: var(--sp-3) 0 0;
  padding-top: var(--sp-2);
  border-top: var(--line);
  font-size: var(--fs-micro);
  color: rgba(154, 168, 158, .95);
}

.page-contact .link-inline {
  color: var(--lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(198, 255, 61, .35);
}

.page-contact .link-inline:hover,
.page-contact .link-inline:focus-visible {
  color: var(--gold);
  border-bottom-color: var(--gold);
}

/* ------- 可展开清单 ------- */
.page-contact .checklist {
  margin-top: var(--sp-3);
  border: 1px solid rgba(58, 90, 76, .55);
  border-radius: var(--r-md);
  background: rgba(42, 61, 53, .55);
  overflow: hidden;
}

.page-contact .checklist__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-micro);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--mist);
  transition: color .2s ease, background .2s ease;
}

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

.page-contact .checklist__summary:hover {
  color: var(--lime);
  background: rgba(28, 46, 40, .7);
}

.page-contact .checklist__icon {
  position: relative;
  flex: 0 0 auto;
  width: 1.35rem;
  height: 1.35rem;
  border: 1px solid rgba(198, 255, 61, .5);
  border-radius: var(--r-pill);
}

.page-contact .checklist__icon::before,
.page-contact .checklist__icon::after {
  content: "";
  position: absolute;
  left: 50%;
  top: 50%;
  background: var(--lime);
  border-radius: 2px;
  transform: translate(-50%, -50%);
}

.page-contact .checklist__icon::before {
  width: 10px;
  height: 2px;
}

.page-contact .checklist__icon::after {
  width: 2px;
  height: 10px;
  transition: opacity .2s ease, transform .2s ease;
}

.page-contact .checklist[open] .checklist__icon::after {
  opacity: 0;
  transform: translate(-50%, -50%) scaleY(.2);
}

.page-contact .checklist__list {
  margin: 0;
  padding: 0 var(--sp-3) var(--sp-3) calc(var(--sp-3) + 1.1rem);
  list-style: disc;
  display: grid;
  gap: var(--sp-1);
  font-size: var(--fs-micro);
  line-height: 1.7;
  color: rgba(232, 237, 230, .78);
}

.page-contact .checklist__list li::marker {
  color: var(--lime);
}

/* ------- 底部引导 ------- */
.page-contact .contact-cta {
  margin-top: var(--sp-5);
  padding: clamp(1.3rem, 4vw, 2.6rem);
  border: var(--edge-lime);
  border-radius: var(--r-lg);
  background-image:
    repeating-linear-gradient(90deg, rgba(58, 90, 76, .16) 0 2px, rgba(58, 90, 76, 0) 2px 9px),
    linear-gradient(120deg, rgba(242, 193, 78, .14), rgba(198, 255, 61, .07) 58%, rgba(11, 31, 26, 0));
  display: grid;
  gap: var(--sp-3);
}

.page-contact .contact-cta__title {
  margin: 0;
  font-size: var(--fs-h2);
  line-height: 1.15;
  letter-spacing: -.01em;
  color: var(--mist);
}

.page-contact .contact-cta__text {
  margin: 0;
  max-width: 62ch;
  font-size: var(--fs-body);
  line-height: 1.75;
  color: rgba(232, 237, 230, .8);
}

.page-contact .contact-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-2);
}

/* ------- 平板及以上的对角线分栏 ------- */
@media (min-width: 720px) {
  .page-contact .contact-card__kicker {
    flex: 0 1 auto;
    margin-left: auto;
  }

  .page-contact .checklist__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--sp-2) var(--sp-4);
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .92fr);
    align-items: center;
    gap: var(--sp-5);
    padding-block: var(--sp-5) var(--sp-6);
  }

  .page-contact .contact-hero__media {
    margin-top: var(--sp-4);
  }

  .page-contact .contact-split {
    grid-template-columns: minmax(0, var(--contact-rail-w)) minmax(0, 1fr);
    gap: var(--sp-5);
  }

  .page-contact .channel-rail {
    position: sticky;
    top: 7.5rem;
    gap: var(--sp-3);
  }

  .page-contact .contact-card--feature {
    background-image:
      repeating-linear-gradient(90deg, rgba(58, 90, 76, .12) 0 1px, rgba(58, 90, 76, 0) 1px 10px),
      var(--contact-card-bg);
  }
}

@media (min-width: 1280px) {
  .page-contact {
    --contact-rail-w: 348px;
  }

  .page-contact .topic-stack {
    gap: var(--sp-4);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-card,
  .page-contact .checklist__summary,
  .page-contact .checklist__icon::after {
    transition: none;
  }

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