.page-contact {
  --pc-gap: clamp(1rem, 2.2vw, 1.75rem);
  --pc-line: rgba(37, 48, 92, 0.9);
}

.page-contact .section {
  padding-block: clamp(2rem, 5vw, 3.5rem);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  padding-top: clamp(1rem, 2vw, 1.75rem);
}

.page-contact .hero-split {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.75rem);
  grid-template-columns: minmax(0, 1fr);
}

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

.page-contact .hero-main h1 {
  margin: 0.35rem 0 0.9rem;
}

.page-contact .section-lead {
  max-width: 46ch;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .channel-list {
  display: grid;
  gap: var(--pc-gap);
  margin-top: clamp(1.5rem, 3vw, 2.25rem);
}

.page-contact .channel-card {
  position: relative;
  isolation: isolate;
  padding: clamp(1.1rem, 2.4vw, 1.6rem) clamp(1.1rem, 2.4vw, 1.7rem);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-md);
  background:
    linear-gradient(155deg, rgba(37, 48, 92, 0.62), rgba(20, 27, 60, 0.92) 68%);
  overflow: hidden;
  transition: border-color 0.35s ease, transform 0.35s ease;
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  right: -46px;
  bottom: -70px;
  width: 170px;
  height: 170px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(245, 197, 24, 0.3), rgba(245, 197, 24, 0) 70%);
  z-index: -1;
  pointer-events: none;
  opacity: 0.75;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  border-color: rgba(245, 197, 24, 0.6);
  transform: translateY(-3px);
}

.page-contact .channel-index {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--gold);
}

.page-contact .channel-name {
  margin: 0.4rem 0 0.5rem;
  font-size: 1.1rem;
  letter-spacing: -0.01em;
  color: var(--stardust);
}

.page-contact .channel-value {
  margin: 0 0 0.65rem;
  font-family: var(--font-mono);
  font-size: clamp(0.95rem, 2.2vw, 1.15rem);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--gold);
  word-break: break-word;
}

.page-contact .channel-desc {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--nebula);
}

/* ---------- 流程侧栏 ---------- */
.page-contact .flow-aside {
  min-width: 0;
  padding: clamp(1.25rem, 2.6vw, 1.9rem);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(200deg, rgba(123, 47, 190, 0.16), rgba(11, 16, 38, 0.65) 55%),
    rgba(20, 27, 60, 0.7);
}

.page-contact .flow-visual {
  margin: 0 0 clamp(1rem, 2vw, 1.4rem);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid rgba(245, 197, 24, 0.22);
}

.page-contact .flow-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  opacity: 0.86;
}

.page-contact .flow-heading {
  margin: 0 0 1rem;
  font-size: clamp(1.15rem, 2.6vw, 1.4rem);
  letter-spacing: -0.01em;
  color: var(--stardust);
}

.page-contact .flow-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.85rem;
  counter-reset: none;
}

.page-contact .flow-step {
  position: relative;
  display: grid;
  grid-template-columns: 2.6rem minmax(0, 1fr);
  gap: 0.85rem;
  padding-bottom: 0.85rem;
  border-bottom: 1px dashed rgba(154, 166, 201, 0.22);
}

.page-contact .flow-step:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.page-contact .flow-num {
  font-family: var(--font-mono);
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
  color: var(--violet);
  filter: brightness(1.35);
  letter-spacing: 0.04em;
}

.page-contact .flow-title {
  margin: 0 0 0.25rem;
  font-size: 0.98rem;
  color: var(--stardust);
  letter-spacing: -0.01em;
}

.page-contact .flow-text {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--nebula);
}

/* ---------- 咨询类型分流 ---------- */
.page-contact .contact-routing {
  border-top: 1px solid rgba(37, 48, 92, 0.7);
}

.page-contact .contact-routing .filter-bar {
  margin: 1.5rem 0 1.6rem;
}

.page-contact .filter-btn[aria-pressed="true"],
.page-contact .filter-btn.is-active {
  background: var(--gold);
  color: var(--void);
  border-color: var(--gold);
}

.page-contact .routing-grid {
  display: grid;
  gap: var(--pc-gap);
  grid-template-columns: minmax(0, 1fr);
}

.page-contact .routing-card {
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
  padding: clamp(1.1rem, 2.4vw, 1.55rem);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-md);
  background: rgba(20, 27, 60, 0.78);
  transition: border-color 0.3s ease, background 0.3s ease;
}

.page-contact .routing-card:hover {
  border-color: rgba(123, 47, 190, 0.6);
  background: rgba(20, 27, 60, 0.95);
}

.page-contact .routing-tag {
  align-self: flex-start;
  margin: 0;
  font-size: 0.74rem;
  letter-spacing: 0.08em;
}

.page-contact .routing-title {
  margin: 0;
  font-size: 1.06rem;
  line-height: 1.45;
  letter-spacing: -0.01em;
  color: var(--stardust);
}

.page-contact .routing-body {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.7;
  color: var(--nebula);
}

.page-contact .routing-dl {
  margin: 0.3rem 0 0;
  display: grid;
  gap: 0.35rem;
}

.page-contact .routing-dl dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--aurora);
}

.page-contact .routing-dl dd {
  margin: 0 0 0.3rem;
  font-size: 0.9rem;
  line-height: 1.68;
  color: var(--stardust);
  opacity: 0.86;
}

/* ---------- 服务范围与响应时效 ---------- */
.page-contact .contact-scope {
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(43, 217, 168, 0.1), rgba(11, 16, 38, 0) 62%);
}

.page-contact .scope-split {
  display: grid;
  gap: clamp(1.5rem, 3vw, 2.5rem);
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
}

.page-contact .scope-visual {
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid rgba(43, 217, 168, 0.24);
}

.page-contact .scope-visual img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.9;
}

.page-contact .scope-body h2 {
  margin: 0.35rem 0 0.75rem;
}

.page-contact .scope-lead {
  margin: 0 0 1.1rem;
  max-width: 52ch;
  line-height: 1.75;
  color: var(--nebula);
}

.page-contact .scope-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.6rem;
}

.page-contact .scope-list li {
  display: grid;
  gap: 0.15rem;
  padding: 0.7rem 0.9rem;
  border-left: 2px solid rgba(123, 47, 190, 0.7);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(20, 27, 60, 0.62);
  font-size: 0.92rem;
  line-height: 1.65;
  color: var(--stardust);
}

.page-contact .scope-key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--gold);
}

.page-contact .scope-note {
  margin: 1.1rem 0 0;
  padding-left: 0.9rem;
  border-left: 2px solid rgba(245, 197, 24, 0.5);
  font-size: 0.9rem;
  line-height: 1.7;
  color: var(--nebula);
}

/* ---------- 联系地址 ---------- */
.page-contact .address-card {
  display: grid;
  gap: clamp(1.25rem, 2.6vw, 2rem);
  grid-template-columns: minmax(0, 1fr);
  padding: clamp(1.4rem, 3vw, 2.2rem);
  border: 1px solid rgba(245, 197, 24, 0.35);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(140deg, rgba(245, 197, 24, 0.09), rgba(11, 16, 38, 0.9) 58%),
    rgba(20, 27, 60, 0.72);
}

.page-contact .address-main h2 {
  margin: 0.35rem 0 0.7rem;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
  color: var(--stardust);
}

.page-contact .address-text {
  margin: 0;
  max-width: 46ch;
  line-height: 1.75;
  color: var(--nebula);
}

.page-contact .address-side {
  display: grid;
  gap: 0.7rem;
  align-content: start;
  padding-top: clamp(0.25rem, 1vw, 0.5rem);
  border-top: 1px dashed rgba(154, 166, 201, 0.28);
  padding-top: clamp(1rem, 2vw, 1.25rem);
}

.page-contact .address-line {
  margin: 0;
  display: grid;
  gap: 0.2rem;
}

.page-contact .address-key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.14em;
  color: var(--nebula);
}

.page-contact .address-val {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 0.95rem;
  color: var(--gold);
  word-break: break-word;
}

.page-contact .address-foot {
  margin: 1.4rem 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--nebula);
}

.page-contact .address-foot a {
  color: var(--stardust);
  text-decoration: none;
  border-bottom: 1px solid rgba(245, 197, 24, 0.55);
  transition: color 0.25s ease, border-color 0.25s ease;
}

.page-contact .address-foot a:hover,
.page-contact .address-foot a:focus-visible {
  color: var(--gold);
  border-color: var(--gold);
}

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

  .page-contact .channel-card:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 760px) {
  .page-contact .routing-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-contact .hero-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: start;
  }

  .page-contact .channel-list {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-contact .channel-card:first-child {
    grid-column: auto;
  }

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

  .page-contact .address-card {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-contact .address-side {
    border-top: 0;
    border-left: 1px dashed rgba(154, 166, 201, 0.28);
    padding-top: 0;
    padding-left: clamp(1rem, 2vw, 1.6rem);
  }
}

@media (min-width: 1180px) {
  .page-contact .routing-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-contact .channel-card:first-child {
    grid-column: 1 / -1;
  }
}

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

  .page-contact .channel-card:hover,
  .page-contact .channel-card:focus-within {
    transform: none;
  }
}
<<<END>>>