.page-contact {
  --pc-pad: clamp(18px, 3vw, 34px);
  --pc-rule: 1px solid rgba(240, 217, 166, 0.14);
  --pc-body-text: rgba(246, 241, 231, 0.78);
  background: var(--cg-ink-950);
  color: var(--cg-paper);
  position: relative;
}

/* ---------- 面包屑 ---------- */
.page-contact .pc-crumb {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: clamp(22px, 3.2vw, 38px);
  font-family: var(--cg-font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-contact .pc-crumb__link {
  color: var(--cg-blue-400);
  text-decoration: none;
  transition: color var(--cg-dur) var(--cg-ease);
}

.page-contact .pc-crumb__link:hover,
.page-contact .pc-crumb__link:focus-visible {
  color: var(--cg-gold-200);
}

.page-contact .pc-crumb__sep {
  color: var(--cg-ink-600);
}

.page-contact .pc-crumb__now {
  color: var(--cg-gold-500);
  letter-spacing: 0.14em;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(38px, 6vw, 76px);
  border-bottom: var(--cg-hairline);
  background:
    radial-gradient(115% 85% at 82% 4%, rgba(27, 74, 58, 0.9) 0%, rgba(7, 28, 22, 0) 64%),
    var(--cg-ink-950);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(240, 217, 166, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(240, 217, 166, 0.055) 1px, transparent 1px);
  background-size: 56px 56px;
}

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

.page-contact .pc-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  align-items: center;
}

.page-contact .pc-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-family: var(--cg-font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cg-gold-500);
}

.page-contact .pc-eyebrow::before {
  content: "";
  width: 26px;
  height: 1px;
  background: var(--cg-gold-500);
}

.page-contact .pc-hero__title {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  font-family: var(--cg-font-display);
  font-weight: 800;
  font-size: clamp(34px, 7.4vw, 76px);
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--cg-paper);
}

.page-contact .pc-hero__title em {
  display: block;
  font-style: normal;
  color: var(--cg-gold-200);
}

.page-contact .pc-hero__lede {
  max-width: 48ch;
  margin: 0 0 20px;
  font-size: clamp(15px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--pc-body-text);
}

.page-contact .pc-hero__save {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0;
  font-family: var(--cg-font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cg-blue-400);
}

.page-contact .pc-hero__save::before {
  content: "★";
  font-size: 10px;
  color: var(--cg-gold-500);
}

.page-contact .pc-hero__figure {
  position: relative;
  margin: 0;
  overflow: hidden;
  border: var(--cg-hairline);
  border-radius: var(--cg-radius);
}

.page-contact .pc-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.75) contrast(1.05);
}

.page-contact .pc-hero__cap {
  position: absolute;
  left: 0;
  bottom: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding: 12px 18px;
  border-top: 1px solid rgba(240, 217, 166, 0.2);
  border-right: 1px solid rgba(240, 217, 166, 0.2);
  background: rgba(7, 28, 22, 0.88);
}

.page-contact .pc-hero__cap-k {
  font-family: var(--cg-font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cg-blue-400);
}

.page-contact .pc-hero__cap-v {
  font-family: var(--cg-font-mono);
  font-size: 13px;
  color: var(--cg-gold-200);
}

/* ---------- 渠道面板 ---------- */
.page-contact .pc-channels {
  background: var(--cg-ink-900);
  border-bottom: var(--cg-hairline);
}

.page-contact .pc-channels__grid {
  display: grid;
  gap: clamp(26px, 3.6vw, 48px);
}

.page-contact .pc-channels__title {
  margin: 0 0 10px;
  font-family: var(--cg-font-display);
  font-size: clamp(24px, 3.4vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-contact .pc-channels__intro {
  max-width: 54ch;
  margin: 0 0 clamp(18px, 2.4vw, 26px);
  font-size: 14px;
  line-height: 1.75;
  color: var(--cg-blue-400);
}

.page-contact .pc-channel {
  display: block;
  margin: 0 0 12px;
  padding: var(--pc-pad);
  border-left: 2px solid var(--cg-ink-600);
  transition:
    transform var(--cg-dur) var(--cg-ease),
    border-color var(--cg-dur) var(--cg-ease),
    box-shadow var(--cg-dur) var(--cg-ease);
}

.page-contact .pc-channel:last-of-type {
  margin-bottom: 0;
}

.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-within {
  transform: translateY(-2px);
  border-left-color: var(--cg-gold-500);
  box-shadow: 0 10px 26px rgba(0, 0, 0, 0.3);
}

.page-contact .pc-channel__kicker {
  display: block;
  margin-bottom: 8px;
  font-family: var(--cg-font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cg-blue-400);
}

.page-contact .pc-channel__value {
  display: block;
  margin-bottom: 10px;
  font-family: var(--cg-font-mono);
  font-size: clamp(15px, 1.7vw, 19px);
  line-height: 1.45;
  color: var(--cg-gold-200);
  text-decoration: none;
  overflow-wrap: anywhere;
}

.page-contact a.pc-channel__value:hover,
.page-contact a.pc-channel__value:focus-visible {
  color: var(--cg-paper);
  text-decoration: underline;
}

.page-contact .pc-channel__desc {
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--pc-body-text);
}

.page-contact .pc-channel__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-contact .pc-side__title {
  margin: 0 0 8px;
  font-family: var(--cg-font-display);
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.01em;
}

.page-contact .pc-side__text {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cg-blue-400);
}

.page-contact .pc-steps {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-steps__item {
  display: grid;
  grid-template-columns: 34px 1fr;
  gap: 12px;
  padding: 16px 0;
  border-top: var(--pc-rule);
}

.page-contact .pc-steps__item:last-child {
  border-bottom: var(--pc-rule);
}

.page-contact .pc-steps__num {
  padding-top: 2px;
  font-family: var(--cg-font-mono);
  font-size: 12px;
  color: var(--cg-gold-500);
}

.page-contact .pc-steps__title {
  margin: 0 0 5px;
  font-size: 15px;
  font-weight: 700;
  color: var(--cg-paper);
}

.page-contact .pc-steps__text {
  margin: 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(246, 241, 231, 0.7);
}

/* ---------- 准备清单 ---------- */
.page-contact .pc-prep {
  background: var(--cg-paper);
  color: var(--cg-slate);
}

.page-contact .pc-prep__head {
  display: grid;
  gap: 10px;
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-contact .pc-prep__title {
  margin: 0;
  font-family: var(--cg-font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--cg-ink-950);
}

.page-contact .pc-prep__intro {
  max-width: 58ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cg-slate);
}

.page-contact .pc-prep__list {
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 2px solid var(--cg-gold-500);
}

.page-contact .pc-prep__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 16px;
  align-items: start;
  padding: 18px 0;
  border-bottom: 1px solid rgba(43, 54, 53, 0.14);
}

.page-contact .pc-prep__num {
  grid-row: span 2;
  padding-top: 3px;
  font-family: var(--cg-font-mono);
  font-size: 13px;
  color: var(--cg-ink-600);
}

.page-contact .pc-prep__h {
  margin: 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--cg-ink-950);
}

.page-contact .pc-prep__p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--cg-slate);
}

/* ---------- 服务范围 ---------- */
.page-contact .pc-scope {
  background: var(--cg-ink-950);
  border-bottom: var(--cg-hairline);
}

.page-contact .pc-scope__grid {
  display: grid;
  gap: clamp(22px, 3vw, 40px);
}

.page-contact .pc-scope__title {
  margin: 0 0 12px;
  font-family: var(--cg-font-display);
  font-size: clamp(24px, 3.6vw, 40px);
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-contact .pc-scope__intro {
  max-width: 40ch;
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--cg-blue-400);
}

.page-contact .pc-scope__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .pc-scope__item {
  padding: 16px 0 16px 18px;
  border-left: 1px solid var(--cg-ink-600);
  transition:
    border-color var(--cg-dur) var(--cg-ease),
    background var(--cg-dur) var(--cg-ease);
}

.page-contact .pc-scope__item:hover {
  border-left-color: var(--cg-gold-500);
  background: rgba(27, 74, 58, 0.28);
}

.page-contact .pc-scope__h {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--cg-gold-200);
}

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

/* ---------- 合作共建 ---------- */
.page-contact .pc-coop {
  background: var(--cg-ink-900);
  border-bottom: var(--cg-hairline);
}

.page-contact .pc-coop__grid {
  display: grid;
  gap: clamp(22px, 3vw, 44px);
  align-items: center;
}

.page-contact .pc-coop__figure {
  margin: 0;
  overflow: hidden;
  border: var(--cg-hairline);
  border-radius: var(--cg-radius);
}

.page-contact .pc-coop__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 10 / 7;
  object-fit: cover;
  filter: saturate(0.7);
}

.page-contact .pc-coop__title {
  margin: 0 0 14px;
  font-family: var(--cg-font-display);
  font-size: clamp(24px, 3.6vw, 38px);
  line-height: 1.1;
  letter-spacing: -0.02em;
}

.page-contact .pc-coop__text {
  max-width: 54ch;
  margin: 0 0 18px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(246, 241, 231, 0.82);
}

.page-contact .pc-coop__list {
  display: grid;
  gap: 8px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-contact .pc-coop__item {
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--pc-body-text);
}

.page-contact .pc-coop__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.65em;
  width: 8px;
  height: 1px;
  background: var(--cg-gold-500);
}

/* ---------- 回复说明 ---------- */
.page-contact .pc-response {
  background: var(--cg-ink-950);
}

.page-contact .pc-response__panel {
  padding: clamp(22px, 3.4vw, 44px);
  border: var(--cg-hairline);
  border-left: 2px solid var(--cg-gold-500);
  border-radius: var(--cg-radius);
  background: linear-gradient(120deg, rgba(27, 74, 58, 0.55), rgba(7, 28, 22, 0.2));
}

.page-contact .pc-response__title {
  margin: 0 0 12px;
  font-family: var(--cg-font-display);
  font-size: clamp(22px, 3vw, 32px);
  letter-spacing: -0.02em;
}

.page-contact .pc-response__text {
  max-width: 64ch;
  margin: 0 0 22px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(246, 241, 231, 0.82);
}

.page-contact .pc-response__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 620px) {
  .page-contact .pc-prep__list {
    grid-template-columns: 1fr 1fr;
    column-gap: clamp(24px, 4vw, 56px);
  }
}

@media (min-width: 860px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .page-contact .pc-channels__grid {
    grid-template-columns: minmax(0, 1.22fr) minmax(0, 0.78fr);
    align-items: start;
  }

  .page-contact .pc-coop__grid {
    grid-template-columns: minmax(0, 0.85fr) minmax(0, 1.15fr);
  }
}

@media (min-width: 980px) {
  .page-contact .pc-scope__grid {
    grid-template-columns: minmax(0, 0.72fr) minmax(0, 1.28fr);
    gap: clamp(28px, 4vw, 64px);
  }

  .page-contact .pc-scope__head {
    position: sticky;
    top: 104px;
    align-self: start;
  }
}

@media (min-width: 1100px) {
  .page-contact .pc-prep__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-scope__item,
  .page-contact .pc-crumb__link {
    transition: none;
  }

  .page-contact .pc-channel:hover,
  .page-contact .pc-channel:focus-within {
    transform: none;
  }
}
<<<END>>>