.page-contact {
  --c-hair: rgba(53, 230, 208, 0.2);
  --c-panel: rgba(10, 28, 48, 0.64);
  padding-bottom: 76px;
}

/* ---------- 面包屑 ---------- */
.page-contact .contact-crumb {
  padding: 22px 0 0;
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  display: grid;
  gap: 32px;
  padding: 36px 0 54px;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .contact-hero-copy {
  min-width: 0;
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(2rem, 7.6vw, 3.3rem);
  line-height: 1.05;
  font-weight: 900;
  letter-spacing: 0.01em;
  color: var(--text-strong);
}

.page-contact .contact-lede {
  max-width: 580px;
  margin: 16px 0 0;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
}

.page-contact .contact-hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .contact-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .contact-hero-meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 134px;
  padding: 12px 14px;
  border: 1px solid var(--line-soft);
  border-left: 3px solid var(--cyan);
  background: linear-gradient(180deg, rgba(53, 230, 208, 0.08), rgba(53, 230, 208, 0));
}

.page-contact .contact-hero-meta .num {
  font-family: var(--font-num);
  font-size: 1.32rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-contact .contact-hero-meta li > span:last-child {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--muted);
}

.page-contact .contact-hero-media {
  position: relative;
  margin: 0;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-hero-media::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 48%;
  height: 4px;
  background: linear-gradient(90deg, var(--cyan), rgba(53, 230, 208, 0));
}

.page-contact .contact-hero-media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

/* ---------- 三条通道 ---------- */
.page-contact .contact-channels {
  padding-top: 58px;
}

.page-contact .channel-stack {
  display: grid;
  gap: 16px;
  margin-top: 30px;
}

.page-contact .channel {
  position: relative;
  min-width: 0;
  padding: 22px 20px 24px;
  border: 1px solid var(--line-soft);
  background: linear-gradient(180deg, rgba(16, 42, 68, 0.72), rgba(6, 20, 35, 0.92));
  box-shadow: var(--shadow-hard);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-contact .channel::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 36px;
  height: 3px;
  background: var(--cyan);
}

.page-contact .channel--phone::before { background: var(--amber); }
.page-contact .channel--addr::before { background: var(--violet); }

.page-contact .channel-head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-bottom: 14px;
  border-bottom: 1px dashed var(--line-soft);
}

.page-contact .channel-index {
  font-family: var(--font-num);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  color: var(--muted-deep);
}

.page-contact .channel-title {
  margin: 0;
  font-size: 1.06rem;
  font-weight: 800;
  letter-spacing: 0.03em;
  color: var(--text-strong);
}

.page-contact .channel-head .tag {
  margin-left: auto;
}

.page-contact .channel-value {
  margin: 18px 0 0;
  font-family: var(--font-num);
  font-size: clamp(1.02rem, 4.6vw, 1.46rem);
  font-weight: 700;
  line-height: 1.34;
  letter-spacing: 0.01em;
  color: var(--cyan);
  overflow-wrap: anywhere;
}

.page-contact .channel--phone .channel-value { color: var(--amber); }

.page-contact .channel--addr .channel-value {
  font-size: clamp(1rem, 4.1vw, 1.2rem);
  color: var(--violet);
  font-family: var(--font-sans);
  letter-spacing: 0.02em;
}

.page-contact .channel-body {
  margin: 14px 0 0;
  font-size: 0.92rem;
  line-height: 1.88;
  color: var(--text);
}

.page-contact .channel-notes {
  display: grid;
  gap: 8px;
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
}

.page-contact .channel-notes li {
  position: relative;
  padding-left: 20px;
  font-size: 0.85rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-contact .channel-notes li::before {
  content: "//";
  position: absolute;
  left: 0;
  font-family: var(--font-num);
  font-size: 0.78rem;
  color: var(--cyan-dim);
}

.page-contact .channel--phone .channel-notes li::before { color: var(--amber); }
.page-contact .channel--addr .channel-notes li::before { color: var(--violet); }

/* ---------- 四步流程 ---------- */
.page-contact .contact-flow {
  padding-top: 62px;
}

.page-contact .flow-list {
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
}

.page-contact .flow-item {
  position: relative;
  padding: 20px 0 20px 30px;
  border-left: 1px solid var(--line-soft);
}

.page-contact .flow-item::before {
  content: "";
  position: absolute;
  left: -5px;
  top: 26px;
  width: 9px;
  height: 9px;
  background: var(--cyan);
  box-shadow: 0 0 0 3px rgba(53, 230, 208, 0.16);
}

.page-contact .flow-num {
  display: block;
  font-family: var(--font-num);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  color: var(--muted-deep);
}

.page-contact .flow-title {
  margin: 8px 0 6px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-strong);
}

.page-contact .flow-text {
  margin: 0;
  font-size: 0.87rem;
  line-height: 1.82;
  color: var(--muted);
}

/* ---------- 写信说明 ---------- */
.page-contact .contact-letter {
  padding-top: 62px;
}

.page-contact .contact-letter-grid {
  display: grid;
  gap: 30px;
  align-items: center;
}

.page-contact .contact-letter-lede {
  margin: 16px 0 0;
  font-size: 0.94rem;
  line-height: 1.88;
  color: var(--text);
}

.page-contact .letter-specs {
  display: grid;
  gap: 0;
  margin: 26px 0 0;
  border-top: 1px solid var(--line-soft);
}

.page-contact .letter-spec {
  display: grid;
  grid-template-columns: 66px minmax(0, 1fr);
  gap: 16px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line-soft);
}

.page-contact .letter-spec dt {
  padding-top: 3px;
  font-family: var(--font-num);
  font-size: 0.74rem;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-contact .letter-spec dd {
  margin: 0;
  font-size: 0.91rem;
  line-height: 1.82;
  color: var(--text);
}

.page-contact .contact-letter-media {
  margin: 0;
  border: 1px solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}

.page-contact .contact-letter-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 引导跳转 ---------- */
.page-contact .contact-elsewhere {
  padding-top: 62px;
}

.page-contact .jump-grid {
  display: grid;
  gap: 14px;
  margin-top: 28px;
}

.page-contact .jump {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 20px 18px 22px;
  text-decoration: none;
  border: 1px solid var(--line-soft);
  border-top: 3px solid var(--cyan-dim);
  background: var(--c-panel);
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-contact .jump:hover,
.page-contact .jump:focus-visible {
  transform: translate(-2px, -2px);
  border-color: var(--line-strong);
  border-top-color: var(--cyan);
  box-shadow: var(--shadow-hard);
}

.page-contact .jump-tag {
  font-family: var(--font-num);
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  color: var(--muted-deep);
}

.page-contact .jump-title {
  font-size: 1.04rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-strong);
}

.page-contact .jump-text {
  font-size: 0.86rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-contact .contact-hero {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.92fr);
    align-items: stretch;
    gap: 52px;
    padding: 54px 0 74px;
  }

  .page-contact .contact-lede {
    font-size: 1.04rem;
  }

  .page-contact .channel-stack {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .channel--primary {
    grid-column: 1 / -1;
    display: grid;
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    column-gap: 44px;
    align-items: start;
    padding: 30px 32px 32px;
  }

  .page-contact .channel--primary .channel-head {
    grid-column: 1 / -1;
  }

  .page-contact .channel--primary .channel-notes {
    margin-top: 18px;
    padding-left: 24px;
    border-left: 1px solid var(--line-soft);
  }

  .page-contact .flow-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .flow-item {
    padding: 26px 20px 24px;
    border-left: 0;
    border-top: 2px solid var(--line-soft);
  }

  .page-contact .flow-item::before {
    left: 0;
    top: -6px;
  }

  .page-contact .flow-item:last-child {
    border-top-color: var(--cyan);
  }

  .page-contact .contact-letter-grid {
    grid-template-columns: minmax(0, 1fr) minmax(0, 0.84fr);
    gap: 54px;
  }

  .page-contact .jump-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (min-width: 1240px) {
  .page-contact .contact-letter {
    padding-top: 72px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .jump {
    transition: none;
  }
  .page-contact .jump:hover,
  .page-contact .jump:focus-visible {
    transform: none;
  }
}