.page-contact {
  --pc-radius: 24px;
  --pc-gap: clamp(20px, 3vw, 36px);
  --pc-ink: #07160F;
}

.page-contact .pc-section {
  padding: clamp(34px, 6vw, 68px) 0 0;
}

.page-contact .pc-section--last {
  padding-bottom: clamp(40px, 7vw, 80px);
}

/* ---------- 首屏 ---------- */
.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  margin: clamp(10px, 2vw, 20px) 0 0;
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(155deg, #0E2620 0%, var(--bg-deep) 78%);
  isolation: isolate;
}

.page-contact .contact-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-contact .contact-hero__media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
  opacity: 0.4;
}

.page-contact .contact-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  background: linear-gradient(100deg, rgba(7, 22, 15, 0.97) 0%, rgba(7, 22, 15, 0.82) 46%, rgba(7, 22, 15, 0.42) 100%);
  pointer-events: none;
}

.page-contact .contact-hero__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(38px, 7vw, 84px);
  padding-bottom: clamp(38px, 7vw, 84px);
}

.page-contact .contact-hero h1 {
  margin: 14px 0 0;
  max-width: 18ch;
  font-family: var(--font-narrow);
  font-size: clamp(32px, 6.4vw, 62px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--warm);
}

.page-contact .contact-hero__lede {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mint);
}

.page-contact .contact-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(22px, 3vw, 30px);
}

.page-contact .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 24px;
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.2;
  text-decoration: none;
  transition: background 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .btn--primary {
  background: var(--lime);
  color: var(--pc-ink);
}

.page-contact .btn--primary:hover,
.page-contact .btn--primary:focus-visible {
  background: var(--lime-soft);
}

.page-contact .btn--ghost {
  border-color: var(--line-strong);
  color: var(--mint);
}

.page-contact .btn--ghost:hover,
.page-contact .btn--ghost:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
}

/* ---------- 双栏主体 ---------- */
.page-contact .contact-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--pc-gap);
  align-items: start;
}

.page-contact .contact-card {
  position: relative;
  overflow: hidden;
  padding: clamp(20px, 3.4vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: var(--panel);
}

.page-contact .contact-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--lime), var(--orange));
}

.page-contact .contact-card__title {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: clamp(20px, 2.4vw, 26px);
  font-weight: 800;
  color: var(--warm);
  letter-spacing: 0.01em;
}

.page-contact .contact-card__hint {
  margin: 10px 0 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--sage);
}

.page-contact .contact-item {
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-contact .contact-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--sage);
}

.page-contact .contact-value {
  display: block;
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.6;
  color: var(--lime-soft);
  word-break: break-word;
}

.page-contact .contact-value--phone {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.03em;
  color: var(--orange);
}

.page-contact .contact-value--icp {
  font-size: 12px;
  color: var(--sage);
}

.page-contact .contact-note {
  margin: 8px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--sage);
}

.page-contact .copy-btn {
  display: inline-flex;
  align-items: center;
  margin-top: 10px;
  padding: 5px 14px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  background: transparent;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--sage);
  cursor: pointer;
  transition: background 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  border-color: var(--lime);
  color: var(--lime);
}

.page-contact .copy-btn.is-done {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--pc-ink);
}

/* ---------- 数据反馈 ---------- */
.page-contact .contact-flow h2 {
  margin: 12px 0 16px;
  font-family: var(--font-narrow);
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 800;
  line-height: 1.14;
  color: var(--warm);
}

.page-contact .contact-flow .prose {
  margin: 0;
  max-width: 62ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mint);
}

.page-contact .flow-steps {
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: pcstep;
  display: grid;
  gap: 12px;
}

.page-contact .flow-steps li {
  counter-increment: pcstep;
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--panel-2);
  transition: border-color 0.24s var(--ease), background 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-contact .flow-steps li::before {
  content: counter(pcstep, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--orange);
}

.page-contact .flow-steps li:hover,
.page-contact .flow-steps li:focus-within {
  border-color: var(--line-strong);
  background: var(--panel);
  transform: translateX(3px);
}

.page-contact .flow-steps strong {
  display: block;
  margin-bottom: 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--warm);
}

.page-contact .flow-steps p {
  margin: 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--sage);
}

.page-contact .contact-flow__figure {
  margin: 28px 0 0;
}

.page-contact .contact-flow__frame {
  overflow: hidden;
  aspect-ratio: 8 / 5;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: linear-gradient(150deg, var(--panel), var(--bg-deep));
}

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

.page-contact .contact-flow__figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--sage);
}

/* ---------- 响应节奏 ---------- */
.page-contact .section-head {
  max-width: 68ch;
  margin-bottom: clamp(22px, 3vw, 32px);
}

.page-contact .section-head h2 {
  margin: 12px 0 14px;
  font-family: var(--font-narrow);
  font-size: clamp(24px, 3.6vw, 38px);
  font-weight: 800;
  line-height: 1.14;
  color: var(--warm);
}

.page-contact .section-head p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mint);
}

.page-contact .resp-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
}

.page-contact .resp-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius-m);
  background: var(--panel);
  transition: border-color 0.24s var(--ease), transform 0.24s var(--ease);
}

.page-contact .resp-card:hover {
  border-color: var(--line-strong);
  transform: translateY(-3px);
}

.page-contact .resp-card h3 {
  margin: 0;
  font-family: var(--font-narrow);
  font-size: 18px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--lime);
}

.page-contact .resp-card p {
  margin: 0;
  flex: 1 1 auto;
  font-size: 14px;
  line-height: 1.74;
  color: var(--sage);
}

.page-contact .resp-card .num {
  font-family: var(--font-mono);
}

.page-contact .resp-card .num--hot {
  color: var(--orange);
  font-weight: 700;
}

.page-contact .resp-card a {
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--mint);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
  transition: color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .resp-card a:hover,
.page-contact .resp-card a:focus-visible {
  color: var(--lime);
  border-color: var(--lime);
}

.page-contact .contact-paths {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 26px;
  padding-top: 22px;
  border-top: 1px solid var(--line);
}

.page-contact .contact-paths a {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-pill);
  font-size: 14px;
  color: var(--mint);
  text-decoration: none;
  transition: background 0.24s var(--ease), color 0.24s var(--ease), border-color 0.24s var(--ease);
}

.page-contact .contact-paths a:hover,
.page-contact .contact-paths a:focus-visible {
  background: var(--lime);
  border-color: var(--lime);
  color: var(--pc-ink);
}

/* ---------- 地址与备案 ---------- */
.page-contact .contact-legal {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
  padding: clamp(22px, 4vw, 40px);
  border: 1px solid var(--line);
  border-radius: var(--radius-l);
  background: linear-gradient(150deg, #0E2620 0%, var(--bg) 82%);
}

.page-contact .contact-legal h2 {
  margin: 0 0 14px;
  font-family: var(--font-narrow);
  font-size: clamp(22px, 3vw, 30px);
  font-weight: 800;
  color: var(--warm);
}

.page-contact .contact-legal__address {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.7;
  color: var(--lime-soft);
}

.page-contact .contact-legal__text {
  margin: 0;
  max-width: 60ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--sage);
}

.page-contact .contact-legal__side {
  align-self: start;
  padding: 16px 18px;
  border: 1px dashed var(--line-strong);
  border-radius: var(--radius-m);
}

.page-contact .contact-legal__icp {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.6;
  color: var(--sage);
}

/* ---------- 返回服务中心 ---------- */
.page-contact .contact-return {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 16px;
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid var(--line-strong);
  border-left: 4px solid var(--lime);
  border-radius: var(--radius-l);
  background: var(--panel-2);
}

.page-contact .contact-return h2 {
  margin: 0 0 8px;
  font-family: var(--font-narrow);
  font-size: clamp(20px, 2.8vw, 28px);
  font-weight: 800;
  color: var(--warm);
}

.page-contact .contact-return p {
  margin: 0;
  max-width: 56ch;
  font-size: 14px;
  line-height: 1.78;
  color: var(--sage);
}

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

@media (min-width: 900px) {
  .page-contact .contact-body {
    grid-template-columns: minmax(280px, 360px) minmax(0, 1fr);
    gap: clamp(28px, 3.4vw, 48px);
  }

  .page-contact .contact-card {
    position: sticky;
    top: 84px;
  }

  .page-contact .contact-legal {
    grid-template-columns: minmax(0, 1.5fr) minmax(220px, 0.7fr);
    align-items: start;
  }

  .page-contact .contact-return {
    flex-direction: row;
    align-items: center;
    justify-content: space-between;
    gap: 28px;
  }

  .page-contact .contact-return .btn {
    flex: 0 0 auto;
  }
}

@media (min-width: 1120px) {
  .page-contact .resp-grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}
<<<END>>>