.page-contact {
  --pc-card-line: rgba(31, 26, 22, 0.09);
  --pc-cool-line: rgba(121, 208, 232, 0.34);
  display: block;
  background: var(--snow);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(1.2rem, 3.5vw, 2.2rem)) 0 clamp(2.2rem, 6vw, 3.8rem);
  background:
    radial-gradient(85% 70% at 84% 2%, rgba(123, 47, 247, 0.12) 0%, rgba(123, 47, 247, 0) 62%),
    radial-gradient(70% 65% at 4% 10%, #FFFFFF 0%, rgba(255, 255, 255, 0) 64%),
    linear-gradient(158deg, var(--ice) 0%, var(--ice-deep) 62%, #E9F6FC 100%);
  border-bottom: 1px solid var(--line-cool);
}

.page-contact .contact-hero .breadcrumbs {
  margin-bottom: clamp(1.4rem, 3.5vw, 2.4rem);
}

.page-contact .hero-grid {
  display: grid;
  gap: 1.4rem;
}

.page-contact .contact-hero .display {
  margin: 0.45rem 0 0;
  font-size: clamp(2rem, 5.6vw, 4.3rem);
  line-height: 1.08;
  letter-spacing: -0.035em;
  max-width: 16em;
}

.page-contact .hero-copy .lede {
  margin: 1.1rem 0 0;
  max-width: 48ch;
}

.page-contact .hero-note {
  display: none;
}

/* 联系通道条 */
.page-contact .contact-chips {
  list-style: none;
  margin: clamp(1.9rem, 4.5vw, 2.9rem) 0 0;
  padding: 0;
  display: grid;
  gap: 0.9rem;
}

.page-contact .contact-chip {
  display: flex;
  flex-direction: column;
  gap: 0.45rem;
  padding: 1.05rem 1.15rem;
  background: rgba(255, 255, 255, 0.86);
  border: 1px solid var(--pc-card-line);
  border-left: 3px solid var(--orange);
  border-radius: var(--radius-sm);
  box-shadow: var(--shadow-soft);
  overflow-wrap: anywhere;
}

.page-contact .contact-chip:nth-child(2) {
  border-left-color: var(--violet);
}

.page-contact .contact-chip:nth-child(3) {
  border-left-color: var(--cyan);
}

.page-contact .contact-chip-label {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--ink-soft);
}

.page-contact .contact-chip-value {
  font-family: var(--font-sans);
  font-weight: 700;
  font-size: 1.02rem;
  line-height: 1.5;
  color: var(--ink);
}

.page-contact .contact-chip-value--mono {
  font-family: var(--font-mono);
  font-weight: 600;
  letter-spacing: -0.01em;
}

.page-contact .contact-chip-hint {
  font-size: 0.82rem;
  line-height: 1.6;
  color: var(--ink-soft);
}

/* ---------- 分栏工作台 ---------- */
.page-contact .contact-workbench {
  background: var(--snow);
}

.page-contact .section-title {
  margin: 0.35rem 0 0;
  font-size: clamp(1.5rem, 3.7vw, 2.35rem);
  line-height: 1.2;
  letter-spacing: -0.025em;
  max-width: 24ch;
}

.page-contact .workbench {
  display: grid;
  gap: clamp(1.8rem, 4vw, 2.8rem);
}

.page-contact .direction-figure {
  margin: 1.4rem 0 1.5rem;
}

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

.page-contact .direction-list {
  display: grid;
  gap: 1rem;
}

.page-contact .direction-card {
  position: relative;
  padding: 1.35rem 1.25rem 1.4rem;
  background: var(--snow);
  border: 1px solid var(--pc-card-line);
  border-radius: var(--radius);
  transition: transform 0.35s var(--ease), box-shadow 0.35s var(--ease), border-color 0.35s var(--ease);
}

.page-contact .direction-card::after {
  content: "";
  position: absolute;
  left: 1.25rem;
  right: 1.25rem;
  bottom: 0;
  height: 3px;
  border-radius: 3px 3px 0 0;
  background: linear-gradient(90deg, var(--orange), var(--violet));
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.35s var(--ease);
}

.page-contact .direction-card:hover,
.page-contact .direction-card:focus-within {
  transform: translateY(-5px);
  border-color: var(--cyan);
  box-shadow: var(--shadow-raise);
}

.page-contact .direction-card:hover::after,
.page-contact .direction-card:focus-within::after {
  transform: scaleX(1);
}

.page-contact .direction-index {
  display: inline-block;
  margin-bottom: 0.65rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  color: var(--orange);
}

.page-contact .direction-title {
  margin: 0 0 0.6rem;
  font-size: 1.18rem;
  font-weight: 800;
  letter-spacing: -0.015em;
  color: var(--ink);
}

.page-contact .direction-card p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-contact .direction-points {
  list-style: none;
  margin: 0.95rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.45rem;
}

.page-contact .direction-points li {
  position: relative;
  padding-left: 1rem;
  font-size: 0.88rem;
  line-height: 1.65;
  color: var(--ink-soft);
}

.page-contact .direction-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.6em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-contact .direction-points li:nth-child(2)::before {
  background: var(--violet);
}

/* 右侧联系面板 */
.page-contact .channel-panel {
  padding: clamp(1.5rem, 3.5vw, 2rem);
  border-radius: var(--radius-lg);
  color: var(--cold-white);
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(123, 47, 247, 0.3) 0%, rgba(123, 47, 247, 0) 58%),
    linear-gradient(165deg, var(--midnight-2) 0%, var(--midnight) 78%);
  box-shadow: var(--shadow-raise);
}

.page-contact .channel-panel .eyebrow {
  color: var(--cyan);
}

.page-contact .channel-title {
  margin: 0.4rem 0 1.3rem;
  font-size: clamp(1.5rem, 3.2vw, 2rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--cold-white);
}

.page-contact .channel-list {
  margin: 0;
  padding: 1.2rem 0 0;
  display: grid;
  gap: 1rem;
  border-top: 1px solid var(--line-dark);
}

.page-contact .channel-row {
  display: grid;
  gap: 0.3rem;
}

.page-contact .channel-row dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-contact .channel-row dd {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  line-height: 1.6;
  color: var(--cold-white);
  overflow-wrap: anywhere;
}

.page-contact .channel-row dd.data-figure {
  letter-spacing: -0.01em;
}

.page-contact .channel-note {
  margin: 1.3rem 0 1.5rem;
  font-size: 0.88rem;
  line-height: 1.72;
  color: rgba(242, 248, 255, 0.78);
}

.page-contact .channel-cta {
  width: 100%;
  justify-content: center;
}

/* ---------- 共建流程 ---------- */
.page-contact .contact-process {
  background: linear-gradient(180deg, var(--ice) 0%, #EDF7FC 100%);
  border-top: 1px solid var(--line-cool);
  border-bottom: 1px solid var(--line-cool);
}

.page-contact .process-intro .lede {
  margin: 1rem 0 0;
  max-width: 54ch;
}

.page-contact .process-figure {
  margin: clamp(1.5rem, 4vw, 2.2rem) 0 0;
}

.page-contact .step-list {
  list-style: none;
  margin: clamp(1.3rem, 3.5vw, 2rem) 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-contact .step {
  position: relative;
  padding: 1.4rem 1.2rem 1.35rem;
  background: rgba(255, 255, 255, 0.92);
  border: 1px solid var(--pc-card-line);
  border-top: 3px solid var(--cyan);
  border-radius: var(--radius-sm);
  transition: transform 0.3s var(--ease), box-shadow 0.3s var(--ease), border-color 0.3s var(--ease);
}

.page-contact .step:nth-child(2) {
  border-top-color: var(--orange);
}

.page-contact .step:nth-child(3) {
  border-top-color: var(--violet);
}

.page-contact .step:nth-child(4) {
  border-top-color: var(--ink);
}

.page-contact .step:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-raise);
}

.page-contact .step:focus-visible {
  outline: 3px solid var(--violet);
  outline-offset: 3px;
}

.page-contact .step-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 1.9rem;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--ink);
}

.page-contact .step-title {
  margin: 0.75rem 0 0.5rem;
  font-size: 1.05rem;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-contact .step p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

/* ---------- 响应说明 ---------- */
.page-contact .response-panel {
  padding: clamp(1.5rem, 4vw, 2.6rem);
  border-radius: var(--radius-lg);
}

.page-contact .response-grid {
  display: grid;
  gap: 1.2rem;
  margin-top: 1.5rem;
}

.page-contact .response-item h3 {
  margin: 0 0 0.5rem;
  font-size: 1rem;
  font-weight: 800;
  color: var(--ink);
}

.page-contact .response-item p {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.72;
  color: var(--ink-soft);
}

.page-contact .response-links {
  margin: 1.6rem 0 0;
  padding-top: 1.1rem;
  border-top: 1px solid var(--pc-card-line);
  font-size: 0.9rem;
  line-height: 1.9;
  color: var(--ink-soft);
}

.page-contact .response-links a {
  color: var(--orange);
  font-weight: 700;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .response-links a:hover {
  color: var(--violet);
}

/* ---------- 底部通道带 ---------- */
.page-contact .contact-band {
  padding: clamp(2.2rem, 6vw, 3.6rem) 0;
  color: var(--cold-white);
  background: linear-gradient(140deg, var(--midnight) 0%, var(--midnight-2) 100%);
}

.page-contact .band-inner {
  display: grid;
  gap: 1.5rem;
}

.page-contact .band-title {
  margin: 0 0 0.7rem;
  font-size: clamp(1.4rem, 3.5vw, 2.1rem);
  font-weight: 900;
  letter-spacing: -0.025em;
  color: var(--cold-white);
}

.page-contact .band-copy {
  margin: 0;
  max-width: 54ch;
  font-size: 0.96rem;
  line-height: 1.78;
  color: rgba(242, 248, 255, 0.8);
  overflow-wrap: anywhere;
}

.page-contact .band-copy .data-figure {
  color: var(--cyan);
}

.page-contact .band-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.7rem;
}

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

@media (min-width: 760px) {
  .page-contact .contact-chips {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
    gap: 2.2rem;
  }

  .page-contact .hero-note {
    display: block;
    align-self: start;
    min-height: 11rem;
    padding-left: 0.9rem;
    border-left: 1px solid rgba(31, 26, 22, 0.16);
    writing-mode: vertical-rl;
    letter-spacing: 0.22em;
    color: var(--ink-soft);
  }

  .page-contact .band-inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 2.4rem;
  }
}

@media (min-width: 1000px) {
  .page-contact .workbench {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: start;
    gap: clamp(2rem, 3.5vw, 3rem);
  }

  .page-contact .channel-panel {
    position: sticky;
    top: calc(var(--header-h) + 1.4rem);
  }
}

@media (min-width: 1080px) {
  .page-contact .step-list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}