.page-contact {
  --pc-line: rgba(245, 243, 238, 0.14);
  --pc-line-soft: rgba(245, 243, 238, 0.08);
  --pc-paper: #101836;
  --pc-paper-2: #141d3f;
}

.page-contact .breadcrumb {
  margin: 20px 0 4px;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  display: grid;
  gap: 28px;
  padding: 20px 0 44px;
}

.page-contact .pc-hero__title {
  margin: 14px 0 18px;
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(2.1rem, 8vw, 4rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--warm);
}

.page-contact .pc-hero__hl {
  color: var(--nebula);
}

.page-contact .pc-hero__lead {
  max-width: 46ch;
  color: var(--silver);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

.page-contact .pc-hero__figure {
  margin: 0;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: linear-gradient(150deg, rgba(124, 92, 255, 0.22), rgba(53, 224, 214, 0.10) 70%, transparent);
  box-shadow: var(--shadow-panel);
}

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

/* ---------- 联络条 ---------- */
.page-contact .pc-contactbar {
  display: grid;
  gap: 1px;
  background: var(--pc-line);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-m);
  overflow: hidden;
  margin-bottom: 46px;
}

.page-contact .pc-contactbar__item {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  background: var(--galaxy);
}

.page-contact .pc-contactbar__label {
  font-size: 0.82rem;
  letter-spacing: 0.08em;
  color: var(--lilac);
}

.page-contact .pc-contactbar__value {
  font-family: var(--font-mono);
  font-size: 1.06rem;
  letter-spacing: 0.01em;
  color: var(--warm);
  word-break: break-all;
}

.page-contact .pc-contactbar__item .copy-btn {
  justify-self: start;
  margin-top: 4px;
}

/* ---------- 通用：章节补充 ---------- */
.page-contact .section__head {
  margin-bottom: 26px;
}

/* ---------- 01 合作方向 ---------- */
.page-contact .pc-tracks__grid {
  display: grid;
  gap: 20px;
}

.page-contact .pc-track {
  --pc-accent: var(--nebula);
  position: relative;
  padding: 24px 22px 18px;
  background: var(--pc-paper);
  border: 1px solid var(--pc-line);
  border-top: 4px solid var(--pc-accent);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-panel);
}

.page-contact .pc-track--cyan {
  --pc-accent: var(--cyan);
}

.page-contact .pc-track--amber {
  --pc-accent: var(--amber);
}

.page-contact .pc-track__tag {
  display: inline-block;
  margin: 0 0 12px;
  padding: 3px 10px;
  font-size: 0.78rem;
  letter-spacing: 0.1em;
  color: var(--pc-accent);
  border: 1px solid var(--pc-accent);
  border-radius: 999px;
}

.page-contact .pc-track__title {
  margin: 0 0 10px;
  font-family: var(--font-title);
  font-size: 1.25rem;
  font-weight: 800;
  color: var(--warm);
}

.page-contact .pc-track__text {
  margin: 0 0 14px;
  font-size: 0.98rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .pc-track__more {
  border-top: 1px dashed var(--pc-line);
  padding-top: 12px;
}

.page-contact .pc-track__more summary {
  cursor: pointer;
  list-style: none;
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--pc-accent);
  display: flex;
  align-items: center;
  gap: 8px;
}

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

.page-contact .pc-track__more summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 1rem;
  line-height: 1;
}

.page-contact .pc-track__more[open] summary::after {
  content: "−";
}

.page-contact .pc-track__more p {
  margin: 12px 0 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 02 直接联系 ---------- */
.page-contact .pc-reach__layout {
  display: grid;
  gap: 20px;
}

.page-contact .pc-card {
  --pc-accent: var(--nebula);
  position: relative;
  padding: 34px 22px 24px;
  background: var(--pc-paper);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-m);
  box-shadow: 0 20px 42px -30px rgba(0, 0, 0, 0.95), 0 0 0 1px var(--pc-line-soft);
}

.page-contact .pc-card::before {
  content: "";
  position: absolute;
  inset: 8px -8px -8px 8px;
  border: 1px solid var(--pc-line-soft);
  border-radius: var(--radius-m);
  background: var(--pc-paper-2);
  z-index: -1;
}

.page-contact .pc-card--cyan {
  --pc-accent: var(--cyan);
}

.page-contact .pc-card__tab {
  position: absolute;
  top: -1px;
  left: 18px;
  padding: 5px 12px;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--void);
  background: var(--pc-accent);
  border-radius: 0 0 var(--radius-s) var(--radius-s);
  font-weight: 700;
}

.page-contact .pc-card__title {
  margin: 0 0 12px;
  font-family: var(--font-title);
  font-size: 1.06rem;
  font-weight: 700;
  color: var(--lilac);
}

.page-contact .pc-card__value {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: clamp(1rem, 4.4vw, 1.32rem);
  font-weight: 700;
  color: var(--warm);
  word-break: break-all;
  letter-spacing: 0.01em;
}

.page-contact .pc-card__desc {
  margin: 0 0 18px;
  font-size: 0.96rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .pc-facts {
  margin: 26px 0 0;
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-contact .pc-facts__row {
  display: grid;
  gap: 4px;
  padding: 16px 20px;
  border-bottom: 1px solid var(--pc-line-soft);
  background: var(--galaxy);
}

.page-contact .pc-facts__row:last-child {
  border-bottom: 0;
}

.page-contact .pc-facts dt {
  font-size: 0.8rem;
  letter-spacing: 0.1em;
  color: var(--lilac);
}

.page-contact .pc-facts dd {
  margin: 0;
  font-size: 1rem;
  color: var(--warm);
}

.page-contact .pc-facts .num {
  font-family: var(--font-mono);
}

.page-contact .pc-map {
  margin-top: 30px;
}

/* ---------- 03 受理时间 ---------- */
.page-contact .pc-timeline {
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-contact .pc-timeline__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 22px 20px;
  background:
    linear-gradient(90deg, rgba(124, 92, 255, 0.28), rgba(53, 224, 214, 0.18) 58%, rgba(255, 178, 63, 0.16));
  border-bottom: 1px solid var(--pc-line);
}

.page-contact .pc-timeline__edge {
  font-family: var(--font-mono);
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--warm);
}

.page-contact .pc-timeline__span {
  flex: 1;
  text-align: center;
  font-size: 0.9rem;
  letter-spacing: 0.16em;
  color: var(--warm);
  border-top: 1px dashed rgba(245, 243, 238, 0.4);
  padding-top: 8px;
}

.page-contact .pc-timeline__note {
  margin: 0;
  padding: 16px 20px;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--silver);
  background: var(--pc-paper);
}

.page-contact .pc-hours__grid {
  display: grid;
  gap: 16px;
  margin-top: 22px;
}

.page-contact .pc-sla {
  --pc-accent: var(--nebula);
  padding: 20px;
  background: var(--galaxy);
  border: 1px solid var(--pc-line);
  border-left: 4px solid var(--pc-accent);
  border-radius: var(--radius-m);
}

.page-contact .pc-sla--cyan {
  --pc-accent: var(--cyan);
}

.page-contact .pc-sla--amber {
  --pc-accent: var(--amber);
}

.page-contact .pc-sla__title {
  margin: 0 0 10px;
  font-size: 0.86rem;
  letter-spacing: 0.1em;
  color: var(--lilac);
  font-weight: 700;
}

.page-contact .pc-sla__value {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 1.5rem;
  font-weight: 700;
  color: var(--pc-accent);
}

.page-contact .pc-sla__text {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 04 提交清单 ---------- */
.page-contact .pc-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-contact .pc-checklist__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 16px;
  padding: 18px 20px;
  background: var(--pc-paper);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-m);
}

.page-contact .pc-checklist__num {
  font-family: var(--font-mono);
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--lilac);
  line-height: 1.3;
}

.page-contact .pc-checklist__body h3 {
  margin: 0 0 6px;
  font-family: var(--font-title);
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--warm);
}

.page-contact .pc-checklist__body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--silver);
}

/* ---------- 05 常见问题 ---------- */
.page-contact .pc-faq {
  display: grid;
  gap: 12px;
}

.page-contact .pc-faq__item {
  background: var(--pc-paper);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-m);
  overflow: hidden;
}

.page-contact .pc-faq__item summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 18px 20px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-title);
  font-size: 1.02rem;
  font-weight: 800;
  color: var(--warm);
}

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

.page-contact .pc-faq__item summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.2rem;
  color: var(--cyan);
  line-height: 1;
}

.page-contact .pc-faq__item[open] {
  border-color: rgba(53, 224, 214, 0.4);
}

.page-contact .pc-faq__item[open] summary::after {
  content: "−";
}

.page-contact .pc-faq__body {
  padding: 0 20px 20px;
  border-top: 1px dashed var(--pc-line);
  padding-top: 16px;
}

.page-contact .pc-faq__body p {
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--silver);
}

/* ---------- 06 继续了解 ---------- */
.page-contact .pc-next__grid {
  display: grid;
  gap: 16px;
}

.page-contact .pc-next__card {
  --pc-accent: var(--lilac);
  display: block;
  padding: 22px 20px;
  background: var(--galaxy);
  border: 1px solid var(--pc-line);
  border-radius: var(--radius-m);
  text-decoration: none;
  transition: transform 0.25s var(--ease), border-color 0.25s var(--ease), background 0.25s var(--ease);
}

.page-contact .pc-next__card--nebula {
  --pc-accent: var(--nebula);
}

.page-contact .pc-next__card--cyan {
  --pc-accent: var(--cyan);
}

.page-contact .pc-next__card--amber {
  --pc-accent: var(--amber);
}

.page-contact .pc-next__tag {
  display: inline-block;
  margin-bottom: 12px;
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--pc-accent);
}

.page-contact .pc-next__title {
  margin: 0 0 8px;
  font-family: var(--font-title);
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--warm);
}

.page-contact .pc-next__text {
  margin: 0;
  font-size: 0.92rem;
  line-height: 1.75;
  color: var(--silver);
}

.page-contact .pc-next__card:hover,
.page-contact .pc-next__card:focus-visible {
  transform: translateY(-4px);
  border-color: var(--pc-accent);
  background: var(--pc-paper);
}

/* ---------- 平板 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-contactbar {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-contact .pc-facts__row {
    grid-template-columns: 160px 1fr;
    align-items: baseline;
    gap: 16px;
  }

  .page-contact .pc-hours__grid {
    grid-template-columns: repeat(2, 1fr);
  }

  .page-contact .pc-next__grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 1024px) {
  .page-contact .pc-hero {
    grid-template-columns: 1.02fr 0.98fr;
    align-items: center;
    gap: 56px;
    padding: 36px 0 56px;
  }

  .page-contact .pc-contactbar {
    margin-bottom: 64px;
  }

  .page-contact .section__head {
    display: grid;
    grid-template-columns: 88px minmax(0, 1fr) minmax(0, 320px);
    align-items: end;
    gap: 24px;
    margin-bottom: 34px;
  }

  .page-contact .section__head .section__num {
    grid-row: 1 / span 2;
  }

  .page-contact .section__note {
    align-self: end;
    margin: 0;
  }

  .page-contact .pc-tracks__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .pc-track:nth-child(2) {
    margin-top: 40px;
  }

  .page-contact .pc-track:nth-child(3) {
    margin-top: 80px;
  }

  .page-contact .pc-reach__layout {
    grid-template-columns: repeat(2, 1fr);
    gap: 26px;
  }

  .page-contact .pc-hours__grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 22px;
  }

  .page-contact .pc-checklist {
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
  }

  .page-contact .pc-faq {
    gap: 14px;
  }

  .page-contact .pc-next__grid {
    grid-template-columns: repeat(4, 1fr);
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-next__card {
    transition: none;
  }

  .page-contact .pc-next__card:hover,
  .page-contact .pc-next__card:focus-visible {
    transform: none;
  }
}