.page-contact {
  padding-bottom: clamp(56px, 9vw, 110px);
  background:
    radial-gradient(circle at 12% -4%, rgba(168, 85, 247, .20), transparent 56%),
    radial-gradient(circle at 96% 6%, rgba(45, 156, 219, .14), transparent 60%);
}

.page-contact .breadcrumb {
  padding-top: clamp(18px, 3vw, 30px);
  padding-bottom: clamp(6px, 1.4vw, 14px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(14px, 2.4vw, 26px);
}

.page-contact .contact-hero__grid {
  display: grid;
  gap: clamp(24px, 4vw, 50px);
  align-items: center;
}

.page-contact .contact-hero__copy {
  max-width: 44rem;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.6vw, 30px);
}

.page-contact .contact-hero__meta {
  list-style: none;
  padding: 0;
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-contact .contact-hero__art {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--deep);
  box-shadow: 0 30px 64px -32px rgba(168, 85, 247, .62);
}

.page-contact .contact-hero__art::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(155deg, rgba(10, 10, 18, .06), rgba(10, 10, 18, .58));
  pointer-events: none;
}

.page-contact .contact-hero__art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

/* ---------- 联系卡矩阵 ---------- */
.page-contact .channel-matrix {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(14px, 1.9vw, 22px);
}

.page-contact .channel-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(20px, 2.5vw, 32px);
  transition: transform .35s var(--ease), border-color .35s var(--ease), box-shadow .35s var(--ease);
}

.page-contact .channel-card:hover {
  transform: translateY(-4px);
  border-color: var(--neon);
  box-shadow: 0 30px 62px -30px rgba(168, 85, 247, .72);
}

.page-contact .channel-card--phone {
  border-color: var(--neon);
  background:
    linear-gradient(152deg, rgba(168, 85, 247, .26), rgba(18, 18, 42, .92) 64%),
    var(--deep);
}

.page-contact .channel-card__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--paper);
  word-break: break-word;
}

.page-contact .channel-card--phone .channel-card__value {
  font-size: clamp(26px, 3.6vw, 40px);
  color: #FFFFFF;
  text-shadow: 0 0 24px rgba(168, 85, 247, .55);
}

.page-contact .channel-card__value--mail {
  font-size: clamp(15px, 1.7vw, 18px);
  color: var(--bolt);
}

.page-contact .channel-card__value--addr {
  font-family: var(--font-sans);
  font-size: clamp(18px, 2vw, 22px);
  line-height: 1.6;
}

.page-contact .channel-card__value--filing {
  font-size: clamp(16px, 1.8vw, 20px);
  color: var(--amber);
}

.page-contact .channel-card__desc {
  margin: 0;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

.page-contact .channel-card__hint {
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--cyan);
  padding-top: 8px;
  border-top: 1px dashed var(--line);
}

/* ---------- 咨询范围 ---------- */
.page-contact .scope-list {
  list-style: none;
  padding: 0;
  margin: 0;
  border-top: 1px solid var(--line);
}

.page-contact .scope-item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.6vw, 36px);
  align-items: start;
  padding: clamp(20px, 3vw, 34px) 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .scope-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--amber);
  padding-top: 5px;
}

.page-contact .scope-item__body h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: clamp(18px, 2.1vw, 23px);
  font-weight: 700;
  color: var(--paper);
}

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

.page-contact .scope-item__body a {
  color: var(--bolt);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
  transition: color .28s var(--ease);
}

.page-contact .scope-item__body a:hover {
  color: var(--neon);
}

/* ---------- 服务地区与响应 ---------- */
.page-contact .region-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 54px);
  align-items: center;
}

.page-contact .region-grid__copy p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.page-contact .region-list {
  list-style: none;
  padding: 0;
  margin: clamp(22px, 3vw, 34px) 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .region-list li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .region-list__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-contact .region-list__val {
  color: var(--paper);
  font-size: 15.5px;
  line-height: 1.7;
}

.page-contact .region-grid__art {
  margin: 0;
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--deep);
  box-shadow: 0 26px 56px -34px rgba(45, 156, 219, .6);
}

.page-contact .region-grid__art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-contact .region-grid__art figcaption {
  padding: 12px 18px;
  font-size: 13px;
  color: var(--muted);
  border-top: 1px solid var(--line);
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-list {
  display: grid;
  gap: 12px;
}

.page-contact .prep-item {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: linear-gradient(152deg, rgba(18, 18, 42, .95), rgba(10, 10, 18, .95));
  transition: border-color .32s var(--ease), box-shadow .32s var(--ease);
}

.page-contact .prep-item:hover {
  border-color: rgba(168, 85, 247, .6);
}

.page-contact .prep-item .disclosure__trigger {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: clamp(16px, 2.2vw, 23px) clamp(18px, 2.5vw, 28px);
  border: 0;
  background: transparent;
  color: var(--paper);
  font-family: var(--font-sans);
  font-size: clamp(16px, 1.7vw, 18px);
  text-align: left;
  cursor: pointer;
  transition: background .3s var(--ease);
}

.page-contact .prep-item .disclosure__trigger:hover {
  background: rgba(168, 85, 247, .12);
}

.page-contact .prep-item__title {
  display: inline-flex;
  align-items: baseline;
  gap: 12px;
  min-width: 0;
}

.page-contact .prep-item__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--amber);
}

.page-contact .prep-item .disclosure__icon {
  flex: none;
  width: 24px;
  height: 24px;
  border: 1px solid var(--neon);
  border-radius: 50%;
  position: relative;
  transition: background .3s var(--ease), transform .3s var(--ease);
}

.page-contact .prep-item .disclosure__icon::before,
.page-contact .prep-item .disclosure__icon::after {
  content: "";
  position: absolute;
  left: 6px;
  right: 6px;
  top: 50%;
  height: 1.5px;
  background: var(--neon);
  transform: translateY(-50%);
}

.page-contact .prep-item .disclosure__icon::after {
  transform: translateY(-50%) rotate(90deg);
  transition: transform .3s var(--ease);
}

.page-contact .prep-item .disclosure__trigger[aria-expanded="true"] .disclosure__icon {
  background: rgba(168, 85, 247, .22);
}

.page-contact .prep-item .disclosure__trigger[aria-expanded="true"] .disclosure__icon::after {
  transform: translateY(-50%) rotate(0deg);
}

.page-contact .prep-item .disclosure__panel {
  max-height: 0;
  overflow: hidden;
  transition: max-height .38s var(--ease);
}

.page-contact .prep-item .disclosure__panel[data-open] {
  max-height: 340px;
}

.page-contact .prep-item .disclosure__body {
  padding: 0 clamp(18px, 2.5vw, 28px) clamp(18px, 2.4vw, 24px);
  color: var(--muted);
  font-size: 15px;
  line-height: 1.85;
}

.page-contact .prep-item .disclosure__body p {
  margin: 0;
}

/* ---------- 收尾面板 ---------- */
.page-contact .closing-panel {
  display: grid;
  gap: clamp(22px, 3.4vw, 42px);
  padding: clamp(26px, 4vw, 52px);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    linear-gradient(140deg, rgba(18, 18, 42, .96), rgba(10, 10, 18, .96)),
    var(--deep);
  position: relative;
  overflow: hidden;
}

.page-contact .closing-panel::before {
  content: "";
  position: absolute;
  inset: auto auto -40% -10%;
  width: 60%;
  height: 120%;
  background: radial-gradient(circle, rgba(245, 158, 11, .22), transparent 62%);
  pointer-events: none;
}

.page-contact .closing-panel__copy {
  position: relative;
  max-width: 44rem;
}

.page-contact .closing-panel__copy p {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
  margin: 0;
}

.page-contact .closing-panel__actions {
  position: relative;
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-contact .channel-matrix {
    grid-template-columns: minmax(0, 1.55fr) minmax(0, 1fr);
  }

  .page-contact .channel-card--phone {
    grid-column: 1;
    grid-row: 1 / span 2;
  }

  .page-contact .channel-card--mail {
    grid-column: 2;
    grid-row: 1;
  }

  .page-contact .channel-card--addr {
    grid-column: 2;
    grid-row: 2;
  }

  .page-contact .channel-card--filing {
    grid-column: 1 / -1;
    grid-row: 3;
  }

  .page-contact .region-list li {
    grid-template-columns: minmax(104px, 138px) minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 920px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }

  .page-contact .region-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
  }

  .page-contact .closing-panel {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }

  .page-contact .closing-panel__actions {
    flex-direction: column;
    align-items: stretch;
    min-width: 220px;
  }
}

@media (max-width: 719px) {
  .page-contact .channel-card__value--mail {
    font-size: 14px;
    letter-spacing: 0;
  }

  .page-contact .scope-item {
    grid-template-columns: minmax(0, 1fr);
    gap: 10px;
  }

  .page-contact .scope-item__num {
    padding-top: 0;
  }

  .page-contact .closing-panel__actions .btn {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card,
  .page-contact .prep-item,
  .page-contact .prep-item .disclosure__trigger,
  .page-contact .prep-item .disclosure__icon,
  .page-contact .prep-item .disclosure__panel {
    transition: none;
  }

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