.page-contact {
  --contact-ring: 0 0 0 1px var(--line-cyan), 0 22px 52px -28px rgba(0, 229, 255, 0.6);
  display: block;
  color: var(--text);
  padding-bottom: var(--block);
  overflow-x: clip;
}

.page-contact h2 {
  font-family: var(--font-head);
  font-size: clamp(1.375rem, 2.6vw, 1.875rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: -0.005em;
  margin: 0 0 12px;
}

.page-contact h3 {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 600;
  line-height: 1.4;
  margin: 0 0 8px;
}

.page-contact p {
  margin: 0 0 12px;
}

.page-contact .num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}

/* ===== 首屏 ===== */
.page-contact .contact-intro {
  position: relative;
  padding: calc(var(--block) * 0.72) 0 calc(var(--block) * 0.6);
  background:
    radial-gradient(880px 420px at 84% -12%, rgba(0, 229, 255, 0.16), transparent 62%),
    radial-gradient(720px 380px at 6% 112%, rgba(255, 90, 31, 0.12), transparent 66%),
    linear-gradient(180deg, #0A1128 0%, #0E1730 100%);
  border-bottom: 1px solid var(--line);
}

.page-contact .contact-intro .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .contact-intro__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
}

.page-contact .contact-intro__text h1 {
  font-family: var(--font-head);
  font-size: clamp(1.875rem, 5vw, 3.125rem);
  font-weight: 800;
  line-height: 1.12;
  letter-spacing: -0.015em;
  margin: 0 0 20px;
  max-width: 22ch;
  background: linear-gradient(120deg, var(--c-warm) 55%, var(--c-cyan) 130%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

.page-contact .contact-intro__lede {
  font-size: clamp(1rem, 1.5vw, 1.0625rem);
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 56ch;
  margin: 0 0 28px;
}

.page-contact .contact-intro__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .contact-intro__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 0;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .stat {
  background: rgba(20, 30, 60, 0.72);
  padding: 16px 16px 18px;
}

.page-contact .stat__label {
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--text-mute);
  margin-bottom: 8px;
}

.page-contact .stat__value {
  margin: 0;
  font-size: clamp(1.25rem, 2.6vw, 1.75rem);
  font-weight: 700;
  line-height: 1.15;
  color: var(--c-cyan);
}

/* ===== 主体双栏 ===== */
.page-contact .contact-main {
  padding-top: var(--block);
}

.page-contact .contact-main__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

/* 联系卡片 */
.page-contact .reach-panel {
  position: relative;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  background: var(--glass);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  overflow: hidden;
  transition: border-color 0.28s ease, box-shadow 0.28s ease, transform 0.28s ease;
}

.page-contact .reach-panel:hover,
.page-contact .reach-panel:focus-within {
  border-color: var(--line-cyan);
  box-shadow: var(--contact-ring);
  transform: translateY(-3px);
}

.page-contact .reach-panel__media {
  position: relative;
  aspect-ratio: 2 / 1;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
}

.page-contact .reach-panel__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(0.85) contrast(1.06);
}

.page-contact .reach-panel__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 17, 40, 0.08) 0%, rgba(10, 17, 40, 0.94) 100%);
  pointer-events: none;
}

.page-contact .reach-panel__body {
  padding: clamp(20px, 3vw, 30px);
}

.page-contact .reach-panel__lede {
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--text-dim);
  margin-bottom: 22px;
}

.page-contact .channel-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .channel {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  grid-template-areas:
    "icon key"
    "icon val"
    "icon note";
  column-gap: 12px;
  row-gap: 3px;
  padding: 16px 16px 18px;
  background: rgba(10, 17, 40, 0.6);
  transition: background-color 0.25s ease;
}

.page-contact .channel:hover {
  background: rgba(0, 229, 255, 0.07);
}

.page-contact .channel__icon {
  grid-area: icon;
  color: var(--c-cyan);
  padding-top: 2px;
  line-height: 0;
}

.page-contact .channel__key {
  grid-area: key;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--c-amber);
}

.page-contact .channel__val {
  grid-area: val;
  font-family: var(--font-mono);
  font-size: clamp(0.9375rem, 1.5vw, 1.0625rem);
  font-weight: 700;
  line-height: 1.5;
  color: var(--text);
  word-break: break-word;
  user-select: all;
}

.page-contact .channel__note {
  grid-area: note;
  margin-top: 4px;
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-mute);
}

/* 合作方向 */
.page-contact .cooperation {
  display: grid;
  align-content: start;
  gap: 4px;
}

.page-contact .cooperation__lede {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 60ch;
  margin-bottom: 22px;
}

.page-contact .coop-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-contact .coop-item {
  position: relative;
  padding: 20px 20px 20px 72px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(20, 30, 60, 0.92), rgba(10, 17, 40, 0.92));
  transition: border-color 0.25s ease, transform 0.25s ease, background 0.25s ease;
}

.page-contact .coop-item:hover,
.page-contact .coop-item:focus-within {
  border-color: var(--line-cyan);
  transform: translateY(-2px);
  background: linear-gradient(180deg, rgba(0, 229, 255, 0.09), rgba(10, 17, 40, 0.94));
}

.page-contact .coop-item__idx {
  position: absolute;
  left: 22px;
  top: 22px;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-orange);
}

.page-contact .coop-item p {
  font-size: 0.9375rem;
  line-height: 1.78;
  color: var(--text-dim);
  margin: 0;
}

.page-contact .coop-item__more {
  display: grid;
  grid-template-rows: 0fr;
  opacity: 0;
  transition: grid-template-rows 0.36s ease, opacity 0.3s ease, margin-top 0.3s ease;
  margin-top: 0;
}

.page-contact .coop-item__more > p {
  overflow: hidden;
  font-size: 0.875rem;
  color: var(--text-mute);
  border-left: 2px solid var(--c-amber);
  padding-left: 12px;
}

.page-contact .coop-item:hover .coop-item__more,
.page-contact .coop-item:focus-within .coop-item__more {
  grid-template-rows: 1fr;
  opacity: 1;
  margin-top: 12px;
}

.page-contact .cooperation__figure {
  margin: 8px 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--c-ink-2);
}

.page-contact .cooperation__figure .figure__media {
  aspect-ratio: 4 / 3;
  overflow: hidden;
}

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

.page-contact .cooperation__figure .figure__caption {
  padding: 12px 16px;
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--text-mute);
  border-top: 1px solid var(--line);
}

/* ===== 推进流程 ===== */
.page-contact .contact-flow {
  margin-top: var(--block);
  padding-top: var(--block);
  border-top: 1px solid var(--line);
  background: linear-gradient(180deg, rgba(20, 30, 60, 0) 0%, rgba(20, 30, 60, 0.5) 100%);
}

.page-contact .flow-head__lede {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-dim);
  max-width: 58ch;
  margin: 0;
}

.page-contact .flow-track {
  list-style: none;
  margin: 30px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .flow-step {
  position: relative;
  padding: clamp(20px, 2.6vw, 28px);
  background: var(--c-ink);
  transition: background-color 0.25s ease;
}

.page-contact .flow-step::before {
  content: "";
  position: absolute;
  inset: 0 auto auto 0;
  width: 100%;
  height: 2px;
  background: var(--c-cyan);
  transform: scaleX(0);
  transform-origin: left center;
  transition: transform 0.36s ease;
}

.page-contact .flow-step:hover {
  background: var(--c-ink-2);
}

.page-contact .flow-step:hover::before {
  transform: scaleX(1);
}

.page-contact .flow-step__idx {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--c-amber);
  margin-bottom: 12px;
}

.page-contact .flow-step p {
  font-size: 0.875rem;
  line-height: 1.75;
  color: var(--text-dim);
  margin: 0;
}

/* ===== 响应说明 ===== */
.page-contact .contact-response {
  padding-top: var(--block);
}

.page-contact .contact-response__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

.page-contact .response-card {
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-left: 3px solid var(--c-orange);
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255, 90, 31, 0.09), rgba(20, 30, 60, 0.78) 55%);
}

.page-contact .response-card p {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-contact .response-card p:last-child {
  margin-bottom: 0;
}

.page-contact .response-notes {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .response-note {
  padding: 20px 22px;
  background: rgba(20, 30, 60, 0.76);
  transition: background-color 0.25s ease;
}

.page-contact .response-note:hover {
  background: rgba(0, 229, 255, 0.07);
}

.page-contact .response-note h3 {
  color: var(--c-warm);
}

.page-contact .response-note p {
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--text-mute);
  margin: 0;
}

/* ===== 延伸入口 ===== */
.page-contact .contact-next {
  margin-top: var(--block);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-contact .next-link {
  display: grid;
  gap: 6px;
  padding: 22px 20px;
  background: var(--c-ink);
  color: inherit;
  text-decoration: none;
  transition: background-color 0.25s ease, box-shadow 0.25s ease;
}

.page-contact .next-link:hover {
  background: var(--c-ink-2);
  box-shadow: inset 0 0 0 1px var(--line-cyan);
}

.page-contact .next-link__k {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-contact .next-link__t {
  font-family: var(--font-head);
  font-size: 1.0625rem;
  font-weight: 700;
}

.page-contact .next-link__d {
  font-size: 0.8125rem;
  line-height: 1.65;
  color: var(--text-mute);
}

/* ===== 窄屏：展开内容直接可见 ===== */
@media (max-width: 767px) {
  .page-contact .coop-item__more {
    grid-template-rows: 1fr;
    opacity: 1;
    margin-top: 12px;
  }
}

/* ===== 中等屏幕 ===== */
@media (min-width: 720px) {
  .page-contact .flow-track {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

/* ===== 桌面：非对称双栏 ===== */
@media (min-width: 940px) {
  .page-contact .contact-intro__grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.7fr);
    align-items: end;
  }

  .page-contact .contact-response__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
    gap: clamp(28px, 4vw, 60px);
  }
}

@media (min-width: 1024px) {
  .page-contact .contact-main__grid {
    grid-template-columns: minmax(0, 0.82fr) minmax(0, 1.18fr);
    gap: clamp(22px, 2.6vw, 36px);
  }

  .page-contact .flow-track {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>