.page-contact {
  --pc-gap: clamp(1.25rem, 3vw, 2.25rem);
  --pc-block: clamp(2rem, 4.5vw, 3.5rem);
  background: var(--deep-space);
  color: var(--ice-text);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  padding: clamp(2.25rem, 5.5vw, 4.5rem) 0 clamp(1.75rem, 4vw, 3rem);
  background:
    radial-gradient(120% 150% at 88% 0%, rgba(37, 201, 255, 0.16), transparent 58%),
    radial-gradient(90% 120% at 4% 100%, rgba(43, 240, 160, 0.10), transparent 60%),
    linear-gradient(180deg, var(--ink-navy), var(--deep-space));
  border-bottom: 1px solid var(--hairline);
  overflow: hidden;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--pulse-green), transparent);
  opacity: 0.55;
}

.page-contact .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  align-items: center;
  margin-bottom: 1.5rem;
  font-size: var(--step-13);
  color: var(--mist-text);
}

.page-contact .breadcrumb a {
  color: var(--electric-cyan);
  text-decoration: none;
}

.page-contact .breadcrumb a:hover {
  text-decoration: underline;
}

.page-contact .hero-grid {
  display: grid;
  gap: var(--pc-gap);
  align-items: end;
}

.page-contact .contact-hero .display {
  margin: 0;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.08;
}

.page-contact .hero-lede {
  display: grid;
  gap: 0.85rem;
  padding-left: 1.15rem;
  border-left: 2px solid var(--pulse-green);
}

.page-contact .hero-lede p {
  margin: 0;
  font-size: var(--step-17);
  line-height: 1.85;
  color: var(--mist-text);
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 1fr);
  }
}

/* ---------- 双栏骨架 ---------- */
.page-contact .inquiry-layout {
  display: grid;
  gap: var(--pc-gap);
  padding: var(--pc-block) 0 clamp(3rem, 6vw, 5rem);
}

.page-contact .inquiry-main {
  display: grid;
  gap: clamp(2.25rem, 4.5vw, 3.5rem);
  min-width: 0;
}

.page-contact .inquiry-side {
  display: grid;
  gap: var(--pc-gap);
  min-width: 0;
}

@media (min-width: 1024px) {
  .page-contact .inquiry-layout {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    align-items: start;
  }
}

/* ---------- 章节标题 ---------- */
.page-contact .section-head {
  margin-bottom: 0.85rem;
}

.page-contact .section-head h2,
.page-contact .inquiry-section > h2 {
  margin: 0;
  font-size: var(--step-28);
  font-weight: 800;
  line-height: 1.2;
}

.page-contact .section-head h2::before {
  content: "";
  display: inline-block;
  width: 26px;
  height: 3px;
  margin-right: 0.6rem;
  vertical-align: middle;
  transform: translateY(-0.2em);
  background: var(--pulse-green);
}

.page-contact .section-lede {
  max-width: 64ch;
  margin: 0 0 1.35rem;
  font-size: var(--step-17);
  line-height: 1.85;
  color: var(--mist-text);
}

/* ---------- 咨询类型分段切换 ---------- */
.page-contact .type-banner {
  margin: 0 0 1.35rem;
  border: 1px solid var(--hairline);
  background: var(--ink-navy);
  clip-path: var(--clip-panel);
  overflow: hidden;
}

.page-contact .type-banner img {
  display: block;
  width: 100%;
  height: clamp(140px, 22vw, 230px);
  object-fit: cover;
  opacity: 0.92;
}

.page-contact .inquiry-tabs .tablist {
  display: flex;
  gap: 0.2rem;
  padding: 0.3rem;
  background: var(--ink-navy);
  border: 1px solid var(--hairline);
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-contact .inquiry-tabs .tablist::-webkit-scrollbar {
  display: none;
}

.page-contact .inquiry-tabs .tab {
  flex: 0 0 auto;
  appearance: none;
  border: 0;
  background: transparent;
  color: var(--mist-text);
  font-family: var(--font-heading);
  font-size: var(--step-15);
  font-weight: 700;
  padding: 0.65rem 1.05rem;
  cursor: pointer;
  clip-path: var(--clip-btn);
  transition: background 0.2s ease, color 0.2s ease;
}

.page-contact .inquiry-tabs .tab:hover {
  color: var(--ice-text);
  background: rgba(43, 240, 160, 0.1);
}

.page-contact .inquiry-tabs .tab[aria-selected="true"] {
  background: var(--pulse-green);
  color: var(--on-green);
}

.page-contact .inquiry-tabs .tab:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 2px;
}

.page-contact .inquiry-tabs .tabpanel {
  margin-top: 0.75rem;
  padding: clamp(1.25rem, 3vw, 2rem);
  background: var(--panel-slate);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--electric-cyan);
}

.page-contact .inquiry-tabs .tabpanel[hidden] {
  display: none;
}

.page-contact .inquiry-tabs .tabpanel:not([hidden]) {
  animation: pc-panel-in 0.18s ease both;
}

.page-contact .inquiry-tabs .tabpanel:focus-visible {
  outline: 2px solid var(--electric-cyan);
  outline-offset: 2px;
}

@keyframes pc-panel-in {
  from { opacity: 0; }
  to { opacity: 1; }
}

.page-contact .type-lead {
  max-width: 68ch;
  margin: 0;
  font-size: var(--step-17);
  line-height: 1.85;
  color: var(--ice-text);
}

.page-contact .type-sub {
  margin: 1.4rem 0 0.75rem;
  font-size: var(--step-13);
  font-weight: 800;
  letter-spacing: 0.08em;
  color: var(--electric-cyan);
}

.page-contact .type-foot {
  margin: 1.35rem 0 0;
  font-size: var(--step-15);
  line-height: 1.8;
  color: var(--mist-text);
}

/* ---------- 要点清单 ---------- */
.page-contact .need-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.5rem;
}

.page-contact .need-list li {
  position: relative;
  padding-left: 1.35rem;
  font-size: var(--step-15);
  line-height: 1.75;
  color: var(--ice-text);
}

.page-contact .need-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 8px;
  height: 8px;
  background: var(--pulse-green);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

/* ---------- 文字链接 ---------- */
.page-contact .text-link {
  color: var(--electric-cyan);
  font-weight: 600;
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 201, 255, 0.45);
  padding-bottom: 1px;
}

.page-contact .text-link:hover,
.page-contact .text-link:focus-visible {
  border-bottom-color: var(--electric-cyan);
}

/* ---------- 合作材料折叠 ---------- */
.page-contact .app-details {
  padding: 1rem 1.25rem;
  background: rgba(18, 34, 74, 0.65);
  border: 1px solid var(--hairline);
  border-left: 3px solid var(--amber-rule);
  clip-path: var(--clip-panel);
}

.page-contact .app-details summary {
  display: flex;
  align-items: center;
  gap: 0.6rem;
  cursor: pointer;
  list-style: none;
  font-size: var(--step-17);
  font-weight: 800;
  color: var(--amber-rule);
}

.page-contact .app-details summary::-webkit-details-marker {
  display: none;
}

.page-contact .app-details summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 1.3rem;
  line-height: 1;
}

.page-contact .app-details[open] summary::after {
  content: "–";
}

.page-contact .app-details .need-list {
  margin-top: 1.1rem;
}

/* ---------- 提交准备步骤 ---------- */
.page-contact .prep-steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.85rem;
}

.page-contact .prep-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 1rem;
  padding: 1.05rem 1.2rem;
  background: var(--panel-slate);
  border-left: 2px solid var(--electric-cyan);
}

.page-contact .prep-steps .step-num {
  font-family: var(--font-mono);
  font-size: var(--step-20);
  font-weight: 700;
  line-height: 1.2;
  color: var(--pulse-green);
}

.page-contact .prep-steps h3 {
  margin: 0 0 0.35rem;
  font-size: var(--step-17);
  font-weight: 800;
  color: var(--ice-text);
}

.page-contact .prep-steps p {
  margin: 0;
  font-size: var(--step-15);
  line-height: 1.8;
  color: var(--mist-text);
}

/* ---------- 侧栏 ---------- */
.page-contact .side-figure {
  margin: 0;
}

.page-contact .side-figure .media-frame {
  border: 1px solid var(--hairline);
  background: var(--ink-navy);
  clip-path: var(--clip-panel);
  overflow: hidden;
}

.page-contact .side-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
}

.page-contact .side-figure figcaption {
  margin-top: 0.75rem;
  font-size: var(--step-13);
  line-height: 1.7;
  color: var(--mist-text);
}

.page-contact .contact-card {
  position: relative;
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: linear-gradient(160deg, var(--panel-slate), var(--ink-navy));
  border: 1px solid var(--hairline);
  clip-path: var(--clip-panel);
}

.page-contact .contact-card::after {
  content: "";
  position: absolute;
  top: 1.75rem;
  bottom: 1.75rem;
  right: 0;
  width: 3px;
  background: var(--pulse-green);
}

.page-contact .contact-card h2,
.page-contact .visit-card h2 {
  margin: 0 0 0.6rem;
  font-size: var(--step-20);
  font-weight: 800;
  line-height: 1.25;
}

.page-contact .card-note {
  margin: 0 0 1.15rem;
  font-size: var(--step-15);
  line-height: 1.75;
  color: var(--mist-text);
}

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

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

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

.page-contact .channel-label {
  font-size: var(--step-13);
  letter-spacing: 0.08em;
  color: var(--mist-text);
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: var(--step-17);
  line-height: 1.5;
  color: var(--ice-text);
  word-break: break-all;
}

.page-contact .hours-strip {
  margin: 1.35rem 0 0;
  padding: 0.85rem 1rem;
  background: rgba(43, 240, 160, 0.1);
  border-left: 2px solid var(--pulse-green);
  font-family: var(--font-mono);
  font-size: var(--step-13);
  line-height: 1.75;
  color: var(--ice-text);
}

.page-contact .visit-card {
  padding: clamp(1.25rem, 3vw, 1.75rem);
  background: var(--panel-slate);
  border: 1px solid var(--hairline);
  border-top: 3px solid var(--electric-cyan);
}

.page-contact .visit-card address {
  margin: 0 0 0.85rem;
  font-style: normal;
  font-size: var(--step-17);
  line-height: 1.80;
  color: var(--ice-text);
}

.page-contact .visit-card p {
  margin: 0 0 0.7rem;
  font-size: var(--step-15);
  line-height: 1.8;
  color: var(--mist-text);
}

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

/* ---------- 无障碍与动效收敛 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .inquiry-tabs .tabpanel:not([hidden]) {
    animation: none;
  }
  .page-contact .inquiry-tabs .tab {
    transition: none;
  }
}
<<<END>>>