/* ===== 联系我们 · 页面专属样式 ===== */
.page-contact {
  --contact-rail-top: 72px;
}

.page-contact img {
  max-width: 100%;
  display: block;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(104px, 15vw, 186px) 0 clamp(36px, 5vw, 64px);
  border-bottom: 2px solid var(--steel);
  background-color: var(--deep);
  background-image:
    repeating-linear-gradient(90deg, rgba(22, 57, 92, .5) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, rgba(22, 57, 92, .32) 0 1px, transparent 1px 96px);
  overflow: hidden;
}

.page-contact .contact-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 26px;
  margin-top: 24px;
}

.page-contact .contact-hero__title {
  display: flex;
  flex-direction: column;
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(44px, 12vw, 148px);
  line-height: .94;
  letter-spacing: -.02em;
  color: var(--white);
}

.page-contact .contact-hero__title-line--accent {
  color: var(--cyan);
  text-shadow: 6px 6px 0 rgba(10, 15, 20, .85);
}

.page-contact .contact-hero__lead {
  margin: 0;
  font-size: var(--fs-md);
  line-height: 1.75;
  color: var(--white);
  max-width: 48ch;
}

.page-contact .contact-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero__facts li {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .08em;
  color: var(--cyan);
  background: var(--panel);
  border: 2px solid var(--steel);
  padding: 7px 12px;
  box-shadow: var(--lift-sm);
}

.page-contact .contact-hero__facts .num {
  color: var(--white);
  font-weight: 700;
  margin-right: 2px;
}

/* ---------- 主体两栏 ---------- */
.page-contact .contact-body__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding: clamp(32px, 6vw, 64px) 0 0;
}

.page-contact .contact-side {
  display: grid;
  gap: 20px;
  min-width: 0;
}

/* ---------- 联络信息栏 ---------- */
.page-contact .contact-rail {
  position: sticky;
  top: var(--contact-rail-top);
  z-index: 3;
  background: var(--panel);
  border-left: 3px solid var(--cyan);
  border-top: 2px solid var(--steel);
  border-right: 2px solid var(--steel);
  border-bottom: 2px solid var(--steel);
  box-shadow: var(--lift-sm);
  padding: 18px 18px 20px 20px;
}

.page-contact .contact-rail__head {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--steel);
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-contact .contact-rail__dot {
  width: 10px;
  height: 10px;
  background: var(--cyan);
  display: inline-block;
  flex: none;
}

.page-contact .contact-rail__list {
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}

.page-contact .contact-rail__row {
  display: grid;
  gap: 5px;
}

.page-contact .contact-rail__row dt {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .12em;
  color: var(--muted);
}

.page-contact .contact-rail__row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  line-height: 1.6;
  color: var(--white);
  overflow-wrap: anywhere;
  word-break: break-word;
}

.page-contact .contact-rail__row--mail dd {
  color: var(--cyan);
}

.page-contact .contact-rail__row--phone dd {
  font-size: var(--fs-lg);
  font-weight: 700;
  letter-spacing: .01em;
}

.page-contact .contact-rail__row--addr dd {
  color: var(--muted);
}

.page-contact .contact-rail__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 2px solid var(--steel);
  font-size: var(--fs-xs);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-side__figure {
  aspect-ratio: 14 / 9;
}

/* ---------- 内容列 ---------- */
.page-contact .contact-col {
  display: grid;
  gap: clamp(30px, 5vw, 58px);
  min-width: 0;
}

.page-contact .contact-block {
  border-top: 2px solid var(--steel);
  padding-top: 22px;
  min-width: 0;
}

.page-contact .contact-block__head {
  display: grid;
  gap: 8px;
  margin-bottom: 18px;
}

.page-contact .contact-block h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-xl);
  line-height: 1.16;
  letter-spacing: -.01em;
  color: var(--white);
}

.page-contact .contact-block .prose {
  max-width: 68ch;
}

.page-contact .contact-block .prose p {
  color: var(--white);
}

.page-contact .contact-block__intro {
  margin: 0 0 18px;
  font-size: var(--fs-base);
  line-height: 1.75;
  color: var(--muted);
  max-width: 62ch;
}

.page-contact .contact-block__foot {
  margin: 20px 0 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .contact-block__foot a,
.page-contact .contact-note a,
.page-contact .partner-card a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 1px;
}

.page-contact .contact-block__foot a:hover,
.page-contact .contact-note a:hover,
.page-contact .partner-card a:hover {
  color: var(--orange-soft);
}

.page-contact .contact-note {
  margin: 20px 0 0;
  padding: 12px 14px;
  background: var(--panel);
  border-left: 3px solid var(--steel);
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 电话与地址分栏 ---------- */
.page-contact .contact-block__split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 22px;
}

/* ---------- 信息清单 ---------- */
.page-contact .checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  background: var(--steel);
  border: 2px solid var(--steel);
}

.page-contact .checklist li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  background: var(--panel);
  padding: 14px 16px;
}

.page-contact .checklist__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .1em;
  color: var(--orange);
  padding-top: 4px;
}

.page-contact .checklist h3 {
  margin: 0 0 5px;
  font-family: var(--font-display);
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--white);
}

.page-contact .checklist p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 受理边界警示面板 ---------- */
.page-contact .alert-panel {
  border: 3px solid var(--orange);
  background: var(--panel);
  box-shadow: var(--lift);
  padding: 20px 18px;
}

.page-contact .alert-panel__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-contact .alert-panel ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .alert-panel li {
  position: relative;
  padding: 0 0 11px 20px;
  border-bottom: 1px solid var(--steel);
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--white);
}

.page-contact .alert-panel li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .alert-panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .7em;
  width: 10px;
  height: 2px;
  background: var(--orange);
}

/* ---------- 合作与引用 ---------- */
.page-contact .contact-partner-grid {
  gap: 2px;
  background: var(--steel);
  border: 2px solid var(--steel);
}

.page-contact .partner-card {
  background: var(--panel);
  padding: 18px 18px 20px;
  display: grid;
  gap: 10px;
  min-width: 0;
}

.page-contact .partner-card__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: var(--fs-md);
  color: var(--white);
}

.page-contact .partner-card p {
  margin: 0;
  font-size: var(--fs-sm);
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 底部状态条 ---------- */
.page-contact .contact-statusbar {
  position: sticky;
  bottom: 0;
  z-index: 4;
  margin-top: clamp(36px, 6vw, 72px);
  padding: 10px 0;
  background: var(--ink);
  border-top: 2px solid var(--steel);
}

.page-contact .contact-statusbar__inner {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  letter-spacing: .06em;
  color: var(--muted);
}

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

.page-contact .contact-statusbar__meta {
  color: var(--muted);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-block__split {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 28px;
    align-items: start;
  }

  .page-contact .checklist li {
    padding: 16px 20px;
  }

  .page-contact .contact-statusbar__meta {
    margin-left: auto;
  }
}

@media (min-width: 720px) {
  .page-contact .contact-partner-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .contact-hero__grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 380px);
    gap: 56px;
    align-items: end;
  }

  .page-contact .contact-body__inner {
    grid-template-columns: 350px minmax(0, 1fr);
    gap: 56px;
    align-items: start;
  }

  .page-contact .contact-rail {
    padding: 22px 22px 24px 24px;
  }
}

@media (max-width: 639px) {
  .page-contact .contact-statusbar__inner {
    justify-content: flex-start;
  }

  .page-contact .contact-statusbar__meta {
    width: 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .contact-rail {
    position: static;
  }
}
</final>