.page-contact {
  --pc-surface: rgba(22, 48, 38, .52);
  --pc-surface-2: rgba(18, 20, 23, .74);
  --pc-hair: rgba(140, 154, 147, .22);
  --pc-hair-strong: rgba(140, 154, 147, .42);
  --pc-text-soft: rgba(231, 237, 233, .72);
  --pc-text-dim: rgba(231, 237, 233, .56);
  background: var(--c-deep);
  color: var(--c-chalk);
  overflow-x: clip;
}

/* ---------- Hero ---------- */
.page-contact .pc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: 0 0 var(--r-xl) var(--r-xl);
  background: var(--c-char);
}

.page-contact .pc-hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .48;
  filter: saturate(.72) contrast(1.06);
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background:
    linear-gradient(96deg, rgba(11, 31, 26, .96) 0%, rgba(11, 31, 26, .78) 46%, rgba(11, 31, 26, .34) 100%),
    linear-gradient(180deg, rgba(11, 31, 26, .18) 0%, rgba(11, 31, 26, .94) 100%);
}

.page-contact .pc-hero__inner {
  position: relative;
  padding-top: clamp(74px, 13vw, 142px);
  padding-bottom: clamp(44px, 8vw, 88px);
}

.page-contact .pc-hero h1 {
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(29px, 5.6vw, 58px);
  line-height: 1.08;
  letter-spacing: -.6px;
  margin: 12px 0 0;
  max-width: 15ch;
  color: var(--c-chalk);
}

.page-contact .pc-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.78;
  color: var(--pc-text-soft);
}

/* ---------- 两条通道 ---------- */
.page-contact .pc-route__head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .pc-route__head h2 {
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -.4px;
  margin: 10px 0 0;
}

.page-contact .tabs {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 4px;
  padding: 5px;
  border-radius: var(--r-pill);
  background: var(--pc-surface-2);
  border: 1px solid var(--pc-hair);
}

.page-contact .tab {
  appearance: none;
  -webkit-appearance: none;
  border: 0;
  background: transparent;
  color: var(--c-gray);
  font-family: var(--f-head);
  font-weight: 700;
  font-size: 14px;
  line-height: 1.2;
  padding: 10px 20px;
  border-radius: var(--r-pill);
  cursor: pointer;
  transition: background .22s var(--ease), color .22s var(--ease);
}

.page-contact .tab:hover {
  color: var(--c-chalk);
}

.page-contact .tab[aria-selected="true"] {
  background: var(--c-lime);
  color: var(--c-brown);
}

.page-contact .tab:focus-visible {
  outline: 2px solid var(--c-gold);
  outline-offset: 2px;
}

.page-contact .pc-route__panels {
  margin-top: clamp(18px, 3vw, 28px);
}

.page-contact .panel[hidden] {
  display: none;
}

.page-contact .pc-cols {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

/* ---------- 渠道卡片 ---------- */
.page-contact .pc-col {
  display: grid;
  gap: 14px;
  align-content: start;
}

.page-contact .pc-channel {
  position: relative;
  padding: clamp(22px, 3vw, 32px);
  padding-left: clamp(26px, 3.4vw, 36px);
  border-radius: var(--r-lg);
  background: linear-gradient(158deg, rgba(22, 48, 38, .9), rgba(18, 20, 23, .88));
  border: 1px solid var(--pc-hair);
  overflow: hidden;
}

.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: linear-gradient(180deg, var(--c-lime), var(--c-gold));
}

.page-contact .pc-channel--biz::before {
  background: linear-gradient(180deg, var(--c-gold), var(--c-pulse));
}

.page-contact .pc-channel__kicker {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--c-gold);
}

.page-contact .pc-channel__title {
  margin: 12px 0 0;
  font-family: var(--f-head);
  font-weight: 700;
  font-size: clamp(17px, 2.2vw, 21px);
  line-height: 1.45;
  color: var(--c-chalk);
}

.page-contact .pc-channel__value {
  margin: 12px 0 0;
  font-family: var(--f-mono);
  font-weight: 600;
  font-size: clamp(15px, 2vw, 19px);
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--c-lime);
  word-break: break-word;
}

.page-contact .pc-channel__value.num--xl {
  font-family: var(--f-display);
  font-size: clamp(30px, 6vw, 48px);
  font-weight: 700;
  letter-spacing: -.01em;
  line-height: 1.06;
}

.page-contact .pc-channel__value--mail {
  color: var(--c-chalk);
}

.page-contact .pc-channel__hint {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--pc-text-soft);
  max-width: 46ch;
}

.page-contact .pc-channel__btn {
  margin-top: 18px;
}

/* ---------- 侧栏说明 ---------- */
.page-contact .pc-aside {
  padding: clamp(22px, 3vw, 30px);
  border-radius: var(--r-lg);
  background: var(--pc-surface-2);
  border: 1px solid var(--pc-hair);
}

.page-contact .pc-aside__title {
  margin: 0 0 14px;
  font-family: var(--f-head);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: .01em;
  color: var(--c-chalk);
}

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

.page-contact .pc-list li {
  position: relative;
  padding-left: 20px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pc-text-soft);
}

.page-contact .pc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 2px;
  border-radius: 2px;
  background: var(--c-lime);
}

.page-contact .pc-list a {
  color: var(--c-lime);
  text-decoration: none;
  border-bottom: 1px solid rgba(182, 255, 59, .38);
}

.page-contact .pc-list a:hover {
  border-bottom-color: var(--c-lime);
}

.page-contact .pc-aside__time {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px dashed var(--pc-hair);
  font-family: var(--f-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--c-gold);
}

/* ---------- 三类合作方向 ---------- */
.page-contact .pc-dir__head {
  max-width: 62ch;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .pc-dir__head h2 {
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -.4px;
  margin: 10px 0 0;
}

.page-contact .pc-dir__lede {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--pc-text-soft);
}

.page-contact .pc-dir__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-contact .pc-dir {
  padding: clamp(22px, 3vw, 28px);
  border-radius: var(--r-lg);
  background: var(--pc-surface);
  border: 1px solid var(--pc-hair);
  transition: transform .24s var(--ease), border-color .24s var(--ease), background .24s var(--ease);
}

.page-contact .pc-dir:hover {
  transform: translateY(-4px);
  border-color: var(--pc-hair-strong);
  background: rgba(22, 48, 38, .7);
}

.page-contact .pc-dir__num {
  margin: 0;
  font-family: var(--f-display);
  font-size: 30px;
  font-weight: 700;
  line-height: 1;
  color: var(--c-gold);
}

.page-contact .pc-dir__title {
  margin: 14px 0 10px;
  font-family: var(--f-head);
  font-weight: 700;
  font-size: 19px;
  letter-spacing: .01em;
  color: var(--c-chalk);
}

.page-contact .pc-dir__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-text-soft);
}

.page-contact .pc-dir__meta {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--pc-hair);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--pc-text-dim);
}

/* ---------- 四步流程 ---------- */
.page-contact .pc-flow__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
  align-items: center;
}

.page-contact .pc-flow h2 {
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -.4px;
  margin: 10px 0 0;
}

.page-contact .pc-flow__lede {
  margin: 12px 0 0;
  font-size: 15px;
  line-height: 1.76;
  color: var(--pc-text-soft);
}

.page-contact .pc-steps {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  counter-reset: pc-step;
}

.page-contact .pc-steps li {
  position: relative;
  padding: 16px 18px 16px 58px;
  border-radius: var(--r-md);
  background: var(--pc-surface-2);
  border: 1px solid var(--pc-hair);
}

.page-contact .pc-steps li::before {
  counter-increment: pc-step;
  content: counter(pc-step, decimal-leading-zero);
  position: absolute;
  left: 18px;
  top: 17px;
  font-family: var(--f-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--c-gold);
}

.page-contact .pc-steps li::after {
  content: "";
  position: absolute;
  left: 27px;
  top: 42px;
  bottom: -13px;
  width: 1px;
  background: linear-gradient(180deg, rgba(232, 180, 74, .5), rgba(232, 180, 74, 0));
}

.page-contact .pc-steps li:last-child::after {
  display: none;
}

.page-contact .pc-steps__title {
  margin: 0;
  font-family: var(--f-head);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--c-lime);
}

.page-contact .pc-steps__text {
  margin: 6px 0 0;
  font-size: 14px;
  line-height: 1.72;
  color: var(--pc-text-soft);
}

.page-contact .pc-flow__fig {
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--pc-hair);
  background: linear-gradient(150deg, var(--c-turf), var(--c-deep));
  overflow: hidden;
  aspect-ratio: 4 / 3;
}

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

/* ---------- 办公地点与备案 ---------- */
.page-contact .pc-place__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 24px;
  align-items: center;
}

.page-contact .pc-place h2 {
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -.4px;
  margin: 10px 0 0;
}

.page-contact .pc-place__lede {
  margin: 12px 0 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pc-text-soft);
}

.page-contact .pc-facts {
  margin: 22px 0 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--pc-hair);
}

.page-contact .pc-facts__row {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 16px;
  align-items: baseline;
  padding: 13px 0;
  border-bottom: 1px solid var(--pc-hair);
}

.page-contact .pc-facts dt {
  flex: 0 0 84px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--c-gray);
}

.page-contact .pc-facts dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.6;
  color: var(--c-chalk);
  word-break: break-word;
}

.page-contact .pc-map {
  position: relative;
  aspect-ratio: 5 / 4;
  border-radius: var(--r-lg);
  border: 1px solid var(--pc-hair);
  background-color: rgba(18, 20, 23, .62);
  background-image: radial-gradient(circle, rgba(182, 255, 59, .26) 1.2px, transparent 1.2px);
  background-size: 20px 20px;
  overflow: hidden;
}

.page-contact .pc-map::after {
  content: "";
  position: absolute;
  inset: 0;
  background: radial-gradient(circle at 50% 50%, rgba(255, 75, 43, .16), transparent 62%);
  pointer-events: none;
}

.page-contact .pc-map__pin {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 12px;
  height: 12px;
  margin: -6px 0 0 -6px;
  border-radius: 50%;
  background: var(--c-pulse);
  box-shadow: 0 0 0 9px rgba(255, 75, 43, .16), 0 0 0 20px rgba(255, 75, 43, .06);
  animation: pc-map-pulse 2s var(--ease) infinite;
}

.page-contact .pc-map__ring {
  position: absolute;
  left: 50%;
  top: 50%;
  width: 46%;
  aspect-ratio: 1 / 1;
  transform: translate(-50%, -50%);
  border-radius: 50%;
  border: 1px dashed rgba(232, 180, 74, .34);
}

@keyframes pc-map-pulse {
  0%, 100% {
    box-shadow: 0 0 0 9px rgba(255, 75, 43, .16), 0 0 0 20px rgba(255, 75, 43, .06);
  }
  50% {
    box-shadow: 0 0 0 14px rgba(255, 75, 43, .1), 0 0 0 28px rgba(255, 75, 43, .03);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-map__pin {
    animation: none;
  }
}

/* ---------- 响应时效 ---------- */
.page-contact .pc-sla__head {
  margin-bottom: clamp(18px, 3vw, 28px);
}

.page-contact .pc-sla__head h2 {
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.14;
  letter-spacing: -.4px;
  margin: 10px 0 0;
}

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

.page-contact .pc-sla__item {
  padding: clamp(20px, 3vw, 26px);
  border-radius: var(--r-lg);
  background: var(--pc-surface);
  border: 1px solid var(--pc-hair);
  border-top: 3px solid rgba(182, 255, 59, .55);
}

.page-contact .pc-sla__item--hot {
  border-top-color: var(--c-pulse);
  background: linear-gradient(160deg, rgba(255, 75, 43, .14), rgba(18, 20, 23, .78));
}

.page-contact .pc-sla__label {
  margin: 0;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--c-gold);
}

.page-contact .pc-sla__big {
  margin: 12px 0 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  flex-wrap: wrap;
}

.page-contact .pc-sla__big .num--lg {
  font-family: var(--f-display);
  font-size: clamp(38px, 6vw, 54px);
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.01em;
  color: var(--c-lime);
}

.page-contact .pc-sla__item--hot .pc-sla__big .num--lg {
  font-size: clamp(26px, 4vw, 34px);
  color: var(--c-chalk);
}

.page-contact .pc-sla__unit {
  font-size: 14px;
  color: var(--pc-text-soft);
}

.page-contact .pc-sla__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.74;
  color: var(--pc-text-soft);
}

/* ---------- 收尾 ---------- */
.page-contact .pc-outro {
  margin-top: clamp(48px, 8vw, 92px);
  margin-bottom: clamp(40px, 7vw, 80px);
}

.page-contact .pc-outro__inner {
  padding: clamp(26px, 4.5vw, 46px);
  border-radius: var(--r-xl);
  border: 1px solid var(--pc-hair-strong);
  background:
    linear-gradient(120deg, rgba(182, 255, 59, .13), rgba(232, 180, 74, .08) 52%, rgba(255, 75, 43, .1)),
    var(--c-char);
  display: grid;
  gap: 20px;
}

.page-contact .pc-outro h2 {
  margin: 0;
  font-family: var(--f-head);
  font-weight: 900;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.2;
  letter-spacing: -.3px;
  color: var(--c-chalk);
}

.page-contact .pc-outro__text {
  margin: 10px 0 0;
  max-width: 58ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--pc-text-soft);
}

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

/* ---------- 响应式 ---------- */
@media (min-width: 700px) {
  .page-contact .pc-cols {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 1fr);
    gap: 20px;
    align-items: start;
  }

  .page-contact .pc-dir__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 18px;
  }

  .page-contact .pc-sla__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }

  .page-contact .pc-outro__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
    gap: 28px;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-flow__grid {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, 1fr);
    gap: 44px;
  }

  .page-contact .pc-place__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 44px;
  }

  .page-contact .pc-dir__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .pc-sla__grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }
}
<<<END>>>