.page-contact {
  --pc-gap: 16px;
  --pc-pad: 22px;
  --pc-radius-cut: 18px;
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  padding-top: calc(var(--header-h) + 40px);
  padding-bottom: 48px;
  position: relative;
  overflow: hidden;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(680px 320px at 82% 12%, rgba(37, 227, 182, .10), transparent 70%),
    radial-gradient(520px 260px at 8% 88%, rgba(255, 106, 43, .07), transparent 72%);
  z-index: 0;
}

.page-contact .pc-hero .container {
  position: relative;
  z-index: 1;
}

.page-contact .breadcrumb {
  margin-bottom: 30px;
}

.page-contact .pc-hero__grid {
  display: grid;
  gap: 34px;
}

.page-contact .pc-hero__title {
  font-family: var(--font-display);
  font-size: clamp(38px, 8.2vw, 82px);
  line-height: 1.02;
  letter-spacing: -.02em;
  font-weight: 800;
  text-transform: none;
  margin: 14px 0 22px;
}

.page-contact .pc-hero__sub {
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .pc-hero__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 28px;
}

.page-contact .pc-hero__stats {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-contact .pc-hero__stats .stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
}

.page-contact .pc-hero__stats .stat--focus {
  background: var(--signal-wash);
  border-color: var(--signal);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}

.page-contact .stat__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 5.4vw, 34px);
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -.01em;
  line-height: 1;
}

.page-contact .stat--focus .stat__num {
  color: var(--signal);
}

.page-contact .stat__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
}

/* ---------- 章节头微调 ---------- */
.page-contact .section-head {
  margin-bottom: 30px;
}

.page-contact .section-head__num {
  font-family: var(--font-mono);
}

/* ---------- 合作方式 ---------- */
.page-contact .pc-modes {
  padding-block: 62px;
  background: linear-gradient(180deg, transparent, rgba(11, 20, 32, .55) 24%, transparent);
}

.page-contact .pc-modes__grid {
  row-gap: var(--pc-gap);
}

.page-contact .pc-mode {
  padding: var(--pc-pad);
  background: var(--panel);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 14px;
  transition: border-color .18s var(--ease), background .18s var(--ease), transform .18s var(--ease);
}

.page-contact .pc-mode:hover {
  border-color: var(--signal-deep);
  background: var(--raise);
  transform: translateY(-2px);
}

.page-contact .pc-mode__title {
  font-size: 19px;
  line-height: 1.45;
  font-weight: 700;
  color: var(--ink);
  margin: 0;
}

.page-contact .pc-mode__body {
  font-size: 15px;
  line-height: 1.76;
  color: var(--muted);
  margin: 0;
}

.page-contact .pc-mode__extra {
  margin: auto 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 13.5px;
  line-height: 1.6;
  color: #A9B8C9;
}

.page-contact .pc-mode__extra .mono {
  color: var(--signal);
  margin-right: 6px;
  font-size: 12px;
  letter-spacing: .06em;
}

.page-contact .pc-modes__figure {
  margin: 8px 0 0;
}

.page-contact .media-frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}

.page-contact .media-frame__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media-frame--wide .media-frame__img {
  aspect-ratio: 21 / 9;
}

.page-contact .media-frame__cap {
  padding: 12px 16px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  border-top: 1px solid var(--line-soft);
}

/* ---------- 价格档 ---------- */
.page-contact .pc-tiers-band {
  padding-block: 62px;
}

.page-contact .pc-tiers__wrap {
  display: grid;
  gap: 22px;
}

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

.page-contact .pc-tier {
  padding: 18px var(--pc-pad);
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .pc-tier:hover,
.page-contact .pc-tier:focus-visible {
  border-color: var(--signal);
  background: var(--raise);
  outline: none;
}

.page-contact .pc-tier__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  flex-wrap: wrap;
}

.page-contact .pc-tier__code {
  font-size: 26px;
  font-weight: 700;
  color: var(--amber);
  line-height: 1;
  min-width: 26px;
}

.page-contact .pc-tier__name {
  font-size: 16px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .pc-tier__track {
  margin: 14px 0 12px;
  height: 8px;
  background: var(--raise);
  border: 1px solid var(--line-soft);
  overflow: hidden;
}

.page-contact .pc-tier__fill {
  display: block;
  height: 100%;
  width: 0;
  background: linear-gradient(90deg, var(--signal-deep), var(--signal));
  transition: width .35s var(--ease);
}

.page-contact .pc-tier--a .pc-tier__fill { width: 40%; }
.page-contact .pc-tier--b .pc-tier__fill { width: 62%; }
.page-contact .pc-tier--c .pc-tier__fill { width: 82%; }
.page-contact .pc-tier--d .pc-tier__fill { width: 100%; background: linear-gradient(90deg, var(--signal-deep), var(--amber)); }

.page-contact .pc-tier:hover .pc-tier__fill,
.page-contact .pc-tier:focus-visible .pc-tier__fill {
  filter: brightness(1.18);
}

.page-contact .pc-tier__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .pc-tier-side {
  padding: var(--pc-pad);
  background: var(--signal-wash);
  border: 1px solid var(--signal);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}

.page-contact .pc-tier-side__title {
  margin: 0 0 16px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .pc-tier-side__list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-contact .pc-tier-side__list li {
  position: relative;
  padding-left: 20px;
  font-size: 14.5px;
  line-height: 1.68;
  color: #C4D2E0;
}

.page-contact .pc-tier-side__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 9px;
  height: 2px;
  background: var(--signal);
}

.page-contact .pc-tier-side__note {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 对接流程 ---------- */
.page-contact .pc-deck-band {
  padding-block: 62px;
  background: linear-gradient(180deg, transparent, rgba(11, 20, 32, .6) 30%, transparent);
}

.page-contact .pc-deck {
  display: grid;
  gap: 22px;
}

.page-contact .pc-deck__list {
  padding: var(--pc-pad);
  background: var(--panel);
  border: 1px solid var(--line);
}

.page-contact .pc-deck__list-title {
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--signal);
}

.page-contact .pc-checklist {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-contact .pc-checklist__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  grid-template-rows: auto auto;
  column-gap: 12px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line-soft);
}

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

.page-contact .pc-checklist__mark {
  grid-row: 1 / span 2;
  align-self: start;
  font-size: 13px;
  font-weight: 600;
  color: var(--amber);
  letter-spacing: .04em;
  padding-top: 2px;
}

.page-contact .pc-checklist__label {
  font-size: 15.5px;
  font-weight: 600;
  color: var(--ink);
  line-height: 1.5;
}

.page-contact .pc-checklist__hint {
  font-size: 13px;
  line-height: 1.6;
  color: var(--muted);
  margin-top: 3px;
}

.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 18px;
}

.page-contact .pc-flow__step {
  position: relative;
  padding: 22px var(--pc-pad) 22px calc(var(--pc-pad) + 22px);
  background: var(--panel);
  border: 1px solid var(--line);
  border-left: 2px solid var(--signal);
  clip-path: polygon(0 0, calc(100% - var(--cut)) 0, 100% var(--cut), 100% 100%, var(--cut) 100%, 0 calc(100% - var(--cut)));
  transition: background .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .pc-flow__step:hover {
  background: var(--raise);
  border-color: var(--signal-deep);
  border-left-color: var(--signal);
}

.page-contact .pc-flow__step .node-dot {
  position: absolute;
  left: 11px;
  top: 26px;
}

.page-contact .pc-flow__num {
  display: block;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--signal);
  margin-bottom: 8px;
}

.page-contact .pc-flow__title {
  margin: 0 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .pc-flow__body {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.74;
  color: var(--muted);
}

/* ---------- 交付与质保 ---------- */
.page-contact .pc-cycle-band {
  padding-block: 62px;
}

.page-contact .pc-cycle {
  display: grid;
  gap: 20px;
}

.page-contact .pc-cycle__delivery,
.page-contact .pc-cycle__warranty {
  padding: var(--pc-pad);
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}

.page-contact .pc-cycle__title {
  margin: 0 0 20px;
  font-size: 19px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .pc-window {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 10px;
  padding: 16px 18px;
  background: var(--raise);
  border-left: 2px solid var(--signal);
  margin-bottom: 10px;
}

.page-contact .pc-window--amber {
  border-left-color: var(--amber);
}

.page-contact .pc-window__label {
  font-size: 14px;
  color: var(--muted);
}

.page-contact .pc-window__val {
  font-size: 22px;
  font-weight: 600;
  color: var(--ink);
  letter-spacing: -.01em;
}

.page-contact .pc-window__val em {
  font-style: normal;
  font-size: 12.5px;
  color: var(--muted);
  margin-left: 4px;
}

.page-contact .pc-window--amber .pc-window__val {
  color: var(--amber);
}

.page-contact .pc-cycle__body {
  margin: 18px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

.page-contact .pc-warranty {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-contact .pc-warranty__row {
  display: grid;
  gap: 6px;
  padding: 15px 18px;
  background: var(--raise);
  border-left: 2px solid var(--line);
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .pc-warranty__row:hover {
  border-left-color: var(--signal);
  background: #172536;
}

.page-contact .pc-warranty__row--amber {
  border-left-color: var(--amber);
  background: #1A1A24;
}

.page-contact .pc-warranty__term {
  font-size: 20px;
  font-weight: 600;
  color: var(--ink);
}

.page-contact .pc-warranty__term em {
  font-style: normal;
  font-size: 12.5px;
  color: var(--muted);
  margin-left: 4px;
}

.page-contact .pc-warranty__row--amber .pc-warranty__term {
  color: var(--amber);
}

.page-contact .pc-warranty__scope {
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--muted);
}

/* ---------- 联系渠道 ---------- */
.page-contact .pc-channels-band {
  padding-block: 62px 48px;
  background: linear-gradient(180deg, transparent, rgba(11, 20, 32, .62) 34%, transparent);
}

.page-contact .pc-channels {
  display: grid;
  gap: 20px;
}

.page-contact .pc-channels__main {
  display: grid;
  gap: 14px;
}

.page-contact .pc-channel {
  padding: var(--pc-pad);
  background: var(--panel);
  border: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  gap: 10px;
  transition: border-color .2s var(--ease), background .2s var(--ease);
}

.page-contact .pc-channel:hover {
  border-color: var(--signal-deep);
  background: var(--raise);
}

.page-contact .pc-channel__val {
  display: inline-block;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: clamp(17px, 4.4vw, 22px);
  font-weight: 600;
  color: var(--ink);
  background: transparent;
  border: 0;
  padding: 0;
  text-align: left;
  cursor: pointer;
  position: relative;
  word-break: break-all;
  transition: color .18s var(--ease);
}

.page-contact .pc-channel__val::after {
  content: "点击复制";
  display: block;
  font-family: var(--font-body);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--muted);
  margin-top: 5px;
}

.page-contact .pc-channel__val:hover {
  color: var(--signal);
}

.page-contact .pc-channel__val[data-copied="true"] {
  color: var(--signal);
}

.page-contact .pc-channel__val[data-copied="true"]::after {
  content: "已复制";
  color: var(--signal-deep);
}

.page-contact .pc-channel__val--mail {
  font-size: clamp(14px, 3.6vw, 19px);
}

.page-contact .pc-channel__note {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .pc-channels__side {
  display: grid;
  gap: 16px;
}

.page-contact .pc-channels__figure {
  margin: 0;
}

.page-contact .pc-channels__figure .media-frame__img {
  aspect-ratio: 16 / 9;
}

.page-contact .pc-lookup {
  padding: var(--pc-pad);
  background: var(--signal-wash);
  border: 1px solid var(--signal);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}

.page-contact .pc-lookup__title {
  margin: 0 0 12px;
  font-size: 18px;
  font-weight: 700;
  color: var(--ink);
}

.page-contact .pc-lookup__body {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.74;
  color: #C4D2E0;
}

.page-contact .pc-lookup__list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 9px;
}

.page-contact .pc-lookup__list li {
  font-size: 14px;
  color: var(--muted);
  border-bottom: 1px solid rgba(37, 227, 182, .2);
  padding-bottom: 9px;
}

.page-contact .pc-lookup__list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-contact .pc-lookup__list .mono {
  color: var(--signal);
  font-weight: 600;
  margin-right: 6px;
}

.page-contact .pc-lookup__note {
  margin: 0 0 14px;
  font-size: 13px;
  line-height: 1.68;
  color: var(--muted);
}

/* ---------- 底部信息带 ---------- */
.page-contact .pc-strip-band {
  padding-block: 8px 60px;
}

.page-contact .pc-strip {
  display: grid;
  grid-template-columns: 1fr;
  border: 1px solid var(--line);
  background: var(--panel);
  clip-path: polygon(0 0, calc(100% - var(--cut-lg)) 0, 100% var(--cut-lg), 100% 100%, var(--cut-lg) 100%, 0 calc(100% - var(--cut-lg)));
}

.page-contact .pc-strip__cell {
  padding: 16px 20px;
  border-bottom: 1px solid var(--line-soft);
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-contact .pc-strip__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-contact .pc-strip__val {
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-contact .pc-strip__cell--cta {
  border-bottom: 0;
  flex-direction: row;
  flex-wrap: wrap;
  gap: 10px;
  align-items: center;
}

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-channels__main {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-channels__main .pc-channel:first-child {
    grid-column: 1 / -1;
  }
  .page-contact .pc-strip {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-strip__cell {
    border-right: 1px solid var(--line-soft);
  }
  .page-contact .pc-strip__cell:nth-child(2n) {
    border-right: 0;
  }
  .page-contact .pc-strip__cell--cta {
    grid-column: 1 / -1;
    border-top: 1px solid var(--line-soft);
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero {
    padding-top: calc(var(--header-h) + 62px);
    padding-bottom: 66px;
  }

  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.42fr) minmax(0, 1fr);
    gap: 52px;
    align-items: end;
  }

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

  .page-contact .pc-modes__grid .stagger,
  .page-contact .pc-mode:nth-child(2) {
    transform: translateY(16px);
  }

  .page-contact .pc-mode:nth-child(2):hover {
    transform: translateY(14px);
  }

  .page-contact .pc-tiers__wrap {
    grid-template-columns: minmax(0, 1.62fr) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .pc-deck {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.1fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .pc-cycle {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 24px;
  }

  .page-contact .pc-channels {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
    gap: 26px;
    align-items: start;
  }

  .page-contact .pc-channels__main {
    grid-template-columns: 1fr;
  }

  .page-contact .pc-channels__main .pc-channel:first-child {
    grid-column: auto;
  }

  .page-contact .pc-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr)) minmax(0, 1.1fr);
  }

  .page-contact .pc-strip__cell {
    border-bottom: 0;
    border-right: 1px solid var(--line-soft);
  }

  .page-contact .pc-strip__cell:nth-child(3) {
    border-right: 1px solid var(--line-soft);
  }

  .page-contact .pc-strip__cell--cta {
    grid-column: auto;
    border-top: 0;
    border-right: 0;
    flex-direction: column;
    align-items: stretch;
    justify-content: center;
  }
}

@media (min-width: 1180px) {
  .page-contact .pc-modes__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-contact .pc-modes__figure {
    grid-column: 1 / -1;
  }
}
<<<END>>>