/* ============================================
   咨询入口 /inquiry/
   ============================================ */

.page-contact {
  --contact-pad: clamp(1.25rem, 3vw, 1.75rem);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  padding: clamp(2rem, 6vw, 4rem) 0 clamp(2.5rem, 6vw, 4.5rem);
  background:
    radial-gradient(115% 85% at 84% -5%, rgba(56, 240, 216, 0.16) 0%, rgba(56, 240, 216, 0) 60%),
    radial-gradient(90% 70% at 6% 110%, rgba(255, 138, 61, 0.12) 0%, rgba(255, 138, 61, 0) 62%),
    linear-gradient(158deg, var(--ink-900) 0%, var(--ink-800) 55%, var(--ink-700) 100%);
  overflow: hidden;
}

.page-contact .contact-hero__head {
  max-width: 46rem;
  margin-top: 1.5rem;
}

.page-contact .contact-hero .page-title {
  margin: 0.75rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 5.6vw, 4rem);
  letter-spacing: -0.02em;
  line-height: 1.06;
  color: var(--star);
}

.page-contact .contact-hero .lede {
  max-width: 60ch;
  font-size: clamp(1rem, 2.2vw, 1.0625rem);
  line-height: 1.75;
  color: var(--haze);
}

/* ---------- 顶部路径指引带 ---------- */

.page-contact .contact-hint {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.65rem 1rem;
  margin: clamp(1.5rem, 4vw, 2.25rem) 0 0;
  padding: 1rem 1.4rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: linear-gradient(100deg, rgba(14, 91, 88, 0.5) 0%, rgba(20, 27, 60, 0.86) 72%);
  color: var(--star);
  text-decoration: none;
  transition: border-color var(--t), transform var(--t);
}

.page-contact .contact-hint:hover,
.page-contact .contact-hint:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-contact .contact-hint__tag {
  flex: none;
  padding: 0.3rem 0.75rem;
  border-radius: var(--r-pill);
  background: var(--amber);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 600;
  letter-spacing: 0.08em;
}

.page-contact .contact-hint__text {
  flex: 1 1 14rem;
  min-width: 0;
  font-size: 0.9375rem;
  line-height: 1.65;
  color: var(--star);
}

.page-contact .contact-hint__arrow {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.125rem;
  color: var(--cyan);
}

.page-contact .contact-hero__media {
  margin: clamp(1.75rem, 4vw, 2.75rem) 0 0;
}

/* ---------- 主区布局 ---------- */

.page-contact .contact-main {
  padding-top: clamp(2.5rem, 6vw, 4rem);
  padding-bottom: clamp(3rem, 8vw, 5.5rem);
}

.page-contact .contact-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2.5rem;
  align-items: start;
}

/* ---------- 左侧粘性联系卡 ---------- */

.page-contact .contact-aside {
  display: grid;
  gap: 1.5rem;
  padding: var(--contact-pad);
  border: 1px solid var(--line);
  border-radius: var(--r-lg);
  background: linear-gradient(165deg, rgba(20, 27, 60, 0.95) 0%, rgba(11, 16, 38, 0.92) 100%);
}

.page-contact .contact-aside__title {
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  font-weight: 600;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .contact-card {
  padding-left: 0.9rem;
  border-left: 2px solid var(--line);
  transition: border-color var(--t);
}

.page-contact .contact-card:hover {
  border-left-color: var(--cyan);
}

.page-contact .contact-card__value {
  margin-top: 0.45rem;
  font-size: 1rem;
  line-height: 1.65;
  color: var(--star);
  overflow-wrap: anywhere;
}

.page-contact .contact-card__value--mono {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(0.9rem, 2.6vw, 1.0625rem);
  letter-spacing: 0;
  color: var(--cyan);
  user-select: all;
}

.page-contact .contact-card__note {
  margin-top: 0.45rem;
  font-size: 0.875rem;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 右侧长文区 ---------- */

.page-contact .contact-body {
  min-width: 0;
}

.page-contact .contact-block__lead {
  max-width: 62ch;
  margin-top: 0.9rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-contact .contact-block + .contact-block {
  margin-top: clamp(2.5rem, 6vw, 4rem);
  padding-top: clamp(2rem, 5vw, 3rem);
  border-top: 1px solid var(--line);
}

/* ---------- 折叠面板 ---------- */

.page-contact .fold-stack {
  margin-top: 1.75rem;
  border-top: 1px solid var(--line);
}

.page-contact .fold {
  border-bottom: 1px solid var(--line);
}

.page-contact .fold__toggle {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.3rem 0.9rem;
  align-items: center;
  width: 100%;
  padding: 1.15rem 0.15rem;
  background: transparent;
  border: 0;
  text-align: left;
  color: var(--star);
  font-family: var(--font-display);
  font-size: clamp(1.05rem, 2.4vw, 1.1875rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  cursor: pointer;
  transition: color var(--t), padding-left var(--t);
}

.page-contact .fold__toggle:hover,
.page-contact .fold__toggle:focus-visible {
  color: var(--cyan);
  padding-left: 0.45rem;
}

.page-contact .fold__sign {
  grid-column: 1;
  grid-row: 1 / span 2;
  align-self: center;
  display: grid;
  place-items: center;
  width: 1.55rem;
  height: 1.55rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 0.95rem;
  line-height: 1;
  transition: transform var(--t), border-color var(--t);
}

.page-contact .fold__toggle[aria-expanded="true"] .fold__sign {
  transform: rotate(45deg);
  border-color: var(--cyan);
}

.page-contact .fold__title {
  grid-column: 2;
  align-self: end;
}

.page-contact .fold__meta {
  grid-column: 2;
  align-self: start;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 400;
  letter-spacing: 0.08em;
  color: var(--haze);
}

.page-contact .fold__panel {
  padding: 0 0 1.5rem 2.45rem;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-contact .fold__panel p {
  max-width: 62ch;
}

.page-contact .fold__panel ul {
  margin-top: 0.85rem;
  padding-left: 0;
  list-style: none;
}

.page-contact .fold__panel li {
  position: relative;
  margin-top: 0.55rem;
  padding-left: 0.9rem;
}

.page-contact .fold__panel li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.45rem;
  height: 1px;
  background: var(--cyan);
}

/* ---------- 响应时效展签 ---------- */

.page-contact .sla-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 210px), 1fr));
  gap: 1.6rem;
  margin-top: 1.75rem;
}

.page-contact .sla-item {
  padding: 0.25rem 0 0.25rem 1.15rem;
  border-left: 2px solid var(--cyan);
}

.page-contact .sla-item--amber {
  border-left-color: var(--amber);
}

.page-contact .sla-item__num {
  font-family: var(--font-mono);
  font-weight: 600;
  font-size: clamp(1.9rem, 5.5vw, 2.75rem);
  line-height: 1;
  letter-spacing: 0;
  color: var(--cyan);
}

.page-contact .sla-item--amber .sla-item__num {
  color: var(--amber-soft);
}

.page-contact .sla-item__unit {
  margin-left: 0.3rem;
  font-size: 0.4em;
  font-weight: 500;
  color: var(--haze);
}

.page-contact .sla-item__label {
  margin-top: 0.7rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 600;
  color: var(--star);
}

.page-contact .sla-item__desc {
  margin-top: 0.5rem;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--haze);
}

/* ---------- 服务地区与备案 ---------- */

.page-contact .region-split {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1.75rem;
  margin-top: 1.75rem;
  align-items: start;
}

.page-contact .region-figure {
  margin: 0;
}

.page-contact .region-copy p {
  max-width: 60ch;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--haze);
}

.page-contact .region-facts {
  display: grid;
  gap: 1rem;
  margin-top: 1.5rem;
}

.page-contact .region-facts > div {
  display: grid;
  grid-template-columns: minmax(0, 6.5rem) minmax(0, 1fr);
  gap: 0.5rem 1rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.page-contact .region-facts dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--haze);
}

.page-contact .region-facts dd {
  font-size: 0.9375rem;
  color: var(--star);
  overflow-wrap: anywhere;
}

.page-contact .region-facts dd.region-facts__mono {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--amber-soft);
}

/* ---------- 尾段 ---------- */

.page-contact .contact-tail {
  position: relative;
  background: linear-gradient(180deg, rgba(30, 42, 94, 0) 0%, rgba(30, 42, 94, 0.42) 100%);
  border-radius: 0 0 var(--r-lg) var(--r-lg);
}

.page-contact .contact-tail .cta-row {
  flex-wrap: wrap;
  margin-top: 1.6rem;
}

/* ---------- 断点 ---------- */

@media (min-width: 900px) {
  .page-contact .contact-layout {
    grid-template-columns: minmax(0, 4fr) minmax(0, 8fr);
    gap: clamp(2rem, 4vw, 3.5rem);
  }

  .page-contact .contact-aside {
    position: sticky;
    top: clamp(5.5rem, 12vh, 7.5rem);
  }

  .page-contact .region-split {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 2.25rem;
  }
}

@media (max-width: 640px) {
  .page-contact .contact-hint {
    border-radius: var(--r-md);
    padding: 0.95rem 1.1rem;
  }

  .page-contact .fold__panel {
    padding-left: 0.25rem;
  }

  .page-contact .region-facts > div {
    grid-template-columns: minmax(0, 1fr);
  }
}