.page-contact {
  --contact-pad: 1.5rem;
  color: var(--mist);
}

.page-contact__crumbs {
  padding-top: 1rem;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 1.5rem;
  padding-bottom: 2.5rem;
}

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.2rem, 8vw, 4.25rem);
  line-height: 1.04;
  letter-spacing: -0.03em;
  color: var(--silver);
  margin: 0.6rem 0 1rem;
}

.page-contact .contact-hero__intro {
  max-width: 36rem;
  margin: 0 0 1.6rem;
  font-size: 1.0625rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .contact-channels {
  list-style: none;
  margin: 0 0 1.6rem;
  padding: 0;
  display: grid;
  gap: 0.75rem;
}

.page-contact .contact-channels__item {
  display: grid;
  gap: 0.3rem;
  padding: 0.9rem 1.1rem;
  background: var(--pod);
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
  border-radius: var(--radius-md);
}

.page-contact .contact-channels__item--phone {
  border-left-color: var(--mint);
}

.page-contact .contact-channels__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.16em;
  color: var(--violet-soft);
}

.page-contact .contact-channels__value {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  line-height: 1.5;
  color: var(--silver);
  overflow-wrap: anywhere;
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
}

.page-contact .contact-hero__visual {
  position: relative;
  margin: 0;
  padding: 0.75rem;
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(circle at 78% 12%, rgba(139, 92, 246, 0.28), transparent 62%),
    var(--nebula);
}

.page-contact .contact-hero__visual img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: calc(var(--radius-lg) - 10px);
  object-fit: cover;
}

.page-contact .contact-hero__caption {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--violet-soft);
  text-align: right;
}

/* ---------- 通用章节 ---------- */
.page-contact .section {
  padding-block: 2.5rem;
}

.page-contact .section-head h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.65rem, 4.6vw, 2.5rem);
  line-height: 1.2;
  letter-spacing: -0.02em;
  color: var(--silver);
  margin: 0.5rem 0 0.75rem;
}

.page-contact .section-head p:not(.eyebrow) {
  max-width: 44rem;
  margin: 0;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 场景分流 ---------- */
.page-contact .scene-grid {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .scene-card {
  display: flex;
  flex-direction: column;
  gap: 0.65rem;
  padding: var(--contact-pad);
  border-radius: var(--radius-lg);
  background: linear-gradient(170deg, var(--pod), rgba(14, 22, 48, 0.65));
  border: 1px solid var(--line);
  transition: border-color 0.25s ease, box-shadow 0.25s ease, transform 0.25s ease;
}

.page-contact .scene-card:hover {
  border-color: rgba(139, 92, 246, 0.55);
  box-shadow: 0 18px 40px -28px rgba(139, 92, 246, 0.9);
  transform: translateY(-2px);
}

.page-contact .scene-card__tag {
  align-self: flex-start;
}

.page-contact .scene-card h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.1875rem;
  letter-spacing: -0.01em;
  color: var(--silver);
  margin: 0;
}

.page-contact .scene-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 折叠组 ---------- */
.page-contact .fold {
  margin-top: auto;
  padding-top: 0.85rem;
  border-top: 1px dashed var(--line);
}

.page-contact .fold-trigger {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  padding: 0.25rem 0;
  border: 0;
  background: none;
  font-family: var(--font-body);
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--violet-soft);
  cursor: pointer;
}

.page-contact .fold-trigger::after {
  content: "+";
  display: inline-grid;
  place-items: center;
  width: 1.15rem;
  height: 1.15rem;
  border: 1px solid currentColor;
  border-radius: var(--radius-pill);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  line-height: 1;
}

.page-contact .fold-trigger[aria-expanded="true"]::after {
  content: "−";
}

.page-contact .fold-trigger:hover,
.page-contact .fold-trigger:focus-visible {
  color: var(--mint);
}

.page-contact .fold-panel {
  padding-top: 0.6rem;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .fold-panel p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.8;
}

.page-contact .fold-panel ul {
  margin: 0;
  padding-left: 1.1rem;
  display: grid;
  gap: 0.35rem;
}

/* ---------- 双栏联系舱 ---------- */
.page-contact .contact-deck {
  margin-top: 1.75rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.25rem;
  align-items: start;
}

.page-contact .channel-card {
  padding: var(--contact-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(circle at 12% 0%, rgba(139, 92, 246, 0.26), transparent 58%),
    var(--pod);
}

.page-contact .channel-card h3,
.page-contact .flow-track h3 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.25rem;
  letter-spacing: -0.01em;
  color: var(--silver);
  margin: 0 0 1rem;
}

.page-contact .channel-list {
  margin: 0;
  display: grid;
  gap: 0.85rem;
}

.page-contact .channel-list__row {
  display: grid;
  gap: 0.25rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px solid var(--line);
}

.page-contact .channel-list__row:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .channel-list dt {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--violet-soft);
}

.page-contact .channel-list dd {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--silver);
  overflow-wrap: anywhere;
}

.page-contact .channel-list dd.data-mono {
  font-family: var(--font-mono);
  font-size: 0.9375rem;
}

.page-contact .channel-card__note {
  margin: 1.15rem 0 0;
  padding: 0.9rem 1rem;
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(245, 184, 75, 0.08);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .channel-card__tags {
  list-style: none;
  margin: 1.1rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
}

/* ---------- 流程轨道 ---------- */
.page-contact .flow-track {
  padding: var(--contact-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: linear-gradient(200deg, rgba(17, 26, 51, 0.95), rgba(7, 11, 26, 0.6));
}

.page-contact .flow-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-contact .flow-step {
  position: relative;
  padding: 1.1rem 1.1rem 1.1rem 3.4rem;
  border: 1px solid var(--line);
  border-radius: var(--radius-md);
  background: rgba(14, 22, 48, 0.72);
}

.page-contact .flow-step__num {
  position: absolute;
  left: 1rem;
  top: 1.1rem;
  display: grid;
  place-items: center;
  width: 1.75rem;
  height: 1.75rem;
  border-radius: var(--radius-pill);
  background: var(--violet);
  color: var(--deep-space);
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 700;
}

.page-contact .flow-step h4 {
  margin: 0 0 0.4rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--silver);
}

.page-contact .flow-step > p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .flow-step .fold {
  margin-top: 0.75rem;
}

.page-contact .flow-figure {
  margin: 1.25rem 0 0;
}

.page-contact .flow-figure img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-md);
  border: 1px solid var(--line);
  object-fit: cover;
}

/* ---------- 准备清单 ---------- */
.page-contact .prep-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1.5rem;
}

.page-contact .prep-main h2 {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.6rem, 4.4vw, 2.35rem);
  line-height: 1.22;
  letter-spacing: -0.02em;
  color: var(--silver);
  margin: 0.5rem 0 1.35rem;
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .prep-item {
  display: grid;
  grid-template-columns: 2rem 1fr;
  gap: 0.9rem;
  padding-bottom: 1rem;
  border-bottom: 1px dashed var(--line);
}

.page-contact .prep-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .prep-item__num {
  display: grid;
  place-items: center;
  width: 2rem;
  height: 2rem;
  border-radius: var(--radius-pill);
  border: 1px solid var(--violet-soft);
  color: var(--violet-soft);
  font-family: var(--font-mono);
  font-size: 0.8125rem;
}

.page-contact .prep-item__body h3 {
  margin: 0 0 0.3rem;
  font-family: var(--font-display);
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--silver);
}

.page-contact .prep-item__body p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .prep-note {
  padding: var(--contact-pad);
  border-radius: var(--radius-lg);
  border: 1px solid var(--line);
  border-top: 2px solid var(--mint);
  background: var(--pod);
}

.page-contact .prep-note h3 {
  margin: 0 0 0.75rem;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--silver);
}

.page-contact .prep-note p {
  margin: 0 0 0.9rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 继续了解 ---------- */
.page-contact .more-grid {
  margin-top: 1.5rem;
  display: grid;
  grid-template-columns: 1fr;
  gap: 1rem;
}

.page-contact .more-card {
  display: flex;
  flex-direction: column;
  gap: 0.6rem;
  padding: var(--contact-pad);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background: var(--nebula);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.25s ease, background 0.25s ease, transform 0.25s ease;
}

.page-contact .more-card:hover,
.page-contact .more-card:focus-visible {
  border-color: rgba(94, 234, 212, 0.5);
  background: var(--pod);
  transform: translateY(-2px);
}

.page-contact .more-card .pill {
  align-self: flex-start;
}

.page-contact .more-card h3 {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1.125rem;
  font-weight: 700;
  color: var(--silver);
}

.page-contact .more-card p {
  margin: 0;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .more-card__go {
  margin-top: auto;
  padding-top: 0.5rem;
  font-family: var(--font-mono);
  font-size: 0.8125rem;
  letter-spacing: 0.06em;
  color: var(--mint);
}

.page-contact .more-card__go::after {
  content: " →";
}

.page-contact .more-extra {
  margin: 1.25rem 0 0;
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .more-extra a {
  color: var(--violet-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .more-extra a:hover {
  color: var(--mint);
}

/* ---------- 备案底栏 ---------- */
.page-contact .contact-registry {
  margin-top: 1rem;
  padding-block: 1.5rem 2.5rem;
  border-top: 1px solid var(--line);
}

.page-contact .contact-registry__line {
  margin: 0 0 0.4rem;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--mist);
}

.page-contact .contact-registry__line .data-mono {
  font-family: var(--font-mono);
  color: var(--silver);
}

.page-contact .contact-registry__dot {
  margin: 0 0.5rem;
  color: var(--violet);
}

.page-contact .contact-registry__hint {
  margin: 0;
  font-size: 0.8125rem;
  line-height: 1.8;
  color: rgba(230, 236, 247, 0.66);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .contact-channels {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .scene-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-contact .more-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-contact .section {
    padding-block: 3.25rem;
  }

  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 2.75rem;
    padding-top: 2rem;
    padding-bottom: 3.5rem;
  }

  .page-contact .contact-hero__visual {
    padding: 0.9rem;
  }

  .page-contact .contact-deck {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: 1.5rem;
  }

  .page-contact .channel-card {
    position: sticky;
    top: 5.5rem;
  }

  .page-contact .prep-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 0.85fr);
    gap: 2rem;
    align-items: start;
  }
}

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

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