.page-contact {
  --pc-ink: #0A1024;
  --pc-ink-soft: rgba(10, 16, 36, 0.62);
  --pc-ink-faint: rgba(10, 16, 36, 0.42);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-contact .ck-num {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  padding: clamp(72px, 13vw, 148px) 0 clamp(44px, 7vw, 88px);
  overflow: hidden;
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: 0;
  right: -12%;
  width: 72%;
  height: 100%;
  background: repeating-linear-gradient(
    115deg,
    transparent 0 40px,
    rgba(37, 230, 216, 0.08) 40px 41px
  );
  -webkit-mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  mask-image: linear-gradient(180deg, #000 0%, transparent 82%);
  pointer-events: none;
}

.page-contact .pc-hero .ck-crumbs {
  position: relative;
  margin-bottom: clamp(28px, 4vw, 48px);
}

.page-contact .pc-hero__grid {
  position: relative;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-contact .pc-hero__body h1 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(30px, 5.2vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  color: var(--paper-bright);
  margin: 12px 0 22px;
  max-width: 15em;
}

.page-contact .pc-hero__lede {
  font-family: var(--f-serif);
  font-size: clamp(18px, 2.3vw, 26px);
  line-height: 1.62;
  color: var(--paper);
  margin: 0 0 16px;
  max-width: 26em;
}

.page-contact .pc-hero__note {
  font-size: 15px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
  max-width: 34em;
}

.page-contact .pc-hero__meta {
  list-style: none;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
}

.page-contact .pc-hero__meta li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-contact .pc-hero__meta .ck-num {
  font-size: clamp(22px, 2.6vw, 30px);
  color: var(--cyan);
  line-height: 1;
}

.page-contact .pc-hero__meta em {
  font-style: normal;
  font-size: 13px;
  color: var(--muted);
}

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

.page-contact .pc-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  background: var(--panel);
}

.page-contact .pc-hero__media figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
  max-width: 30em;
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-ways {
  position: relative;
  padding: clamp(56px, 9vw, 112px) 0;
}

.page-contact .pc-ways::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(
    108deg,
    transparent calc(50% - 1px),
    rgba(122, 92, 255, 0.32) 50%,
    transparent calc(50% + 1px)
  );
  pointer-events: none;
}

.page-contact .pc-ways .ck-wrap {
  position: relative;
}

.page-contact .pc-ways__head {
  max-width: 44em;
  margin-bottom: clamp(30px, 5vw, 56px);
}

.page-contact .pc-ways__title,
.page-contact .pc-flow__title,
.page-contact .pc-brief__title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(26px, 3.6vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  color: var(--paper-bright);
  margin: 12px 0 14px;
}

.page-contact .pc-ways__lede,
.page-contact .pc-flow__lede,
.page-contact .pc-brief__lede {
  font-family: var(--f-serif);
  font-size: clamp(17px, 2vw, 21px);
  line-height: 1.62;
  color: var(--paper);
  margin: 0;
  max-width: 30em;
}

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

.page-contact .pc-way {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--line);
  padding: clamp(22px, 3vw, 34px);
  clip-path: polygon(var(--cut) 0, 100% 0, 100% 100%, 0 100%, 0 var(--cut));
  transition: border-color 160ms var(--ease), transform 160ms var(--ease),
    background-color 160ms var(--ease);
  outline: none;
}

.page-contact .pc-way:hover,
.page-contact .pc-way:focus,
.page-contact .pc-way:focus-within {
  border-color: var(--cyan);
  transform: translateY(-2px);
  background: #101C3C;
}

.page-contact .pc-way:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan), 0 0 0 5px rgba(37, 230, 216, 0.25);
}

.page-contact .pc-way__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.page-contact .pc-way__num {
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(30px, 4vw, 44px);
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--violet);
  transition: color 160ms var(--ease);
}

.page-contact .pc-way:hover .pc-way__num,
.page-contact .pc-way:focus .pc-way__num,
.page-contact .pc-way:focus-within .pc-way__num {
  color: var(--cyan);
}

.page-contact .pc-way h3 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(20px, 2.4vw, 26px);
  letter-spacing: -0.01em;
  color: var(--paper-bright);
  margin: 0 0 10px;
}

.page-contact .pc-way__fit {
  margin: 0 0 16px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-contact .pc-way__fit b {
  color: var(--paper);
  font-weight: 600;
}

.page-contact .pc-way__given {
  margin: 0;
  display: grid;
  gap: 6px;
}

.page-contact .pc-way__given dt {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .pc-way__given dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper);
}

.page-contact .pc-way__more {
  margin-top: 16px;
  opacity: 1;
  overflow: visible;
}

/* ---------- 合作流程 ---------- */
.page-contact .pc-flow {
  padding: clamp(56px, 9vw, 112px) 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-flow__head {
  max-width: 44em;
  margin-bottom: clamp(28px, 4vw, 44px);
}

.page-contact .pc-flow__figure {
  margin: 0 0 clamp(28px, 4vw, 48px);
}

.page-contact .pc-flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 12 / 7;
  object-fit: cover;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .pc-flow__figure figcaption {
  margin-top: 12px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

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

.page-contact .pc-flow__step {
  border-top: 1px solid var(--line);
  padding-top: 18px;
  transition: border-color 160ms var(--ease);
}

.page-contact .pc-flow__step:hover {
  border-top-color: var(--cyan);
}

.page-contact .pc-step summary {
  list-style: none;
  cursor: pointer;
  outline: none;
}

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

.page-contact .pc-step summary:focus-visible {
  box-shadow: 0 0 0 2px var(--cyan);
  border-radius: 2px;
}

.page-contact .pc-step__head {
  display: block;
}

.page-contact .pc-step__num {
  display: block;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 3.4vw, 38px);
  line-height: 1;
  color: var(--violet);
  margin-bottom: 12px;
  transition: color 160ms var(--ease);
}

.page-contact .pc-step[open] .pc-step__num {
  color: var(--cyan);
}

.page-contact .pc-step__title {
  display: block;
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 20px;
  line-height: 1.3;
  color: var(--paper-bright);
  margin-bottom: 8px;
}

.page-contact .pc-step__time {
  display: inline-block;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--muted);
  border: 1px solid var(--line);
  padding: 3px 9px;
}

.page-contact .pc-step__body {
  padding-top: 14px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper);
}

.page-contact .pc-step__body p {
  margin: 0 0 10px;
}

.page-contact .pc-step__body ul {
  margin: 0;
  padding-left: 1.1em;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 来信要素 ---------- */
.page-contact .pc-brief {
  padding: clamp(56px, 9vw, 112px) 0 clamp(24px, 4vw, 48px);
}

.page-contact .pc-brief__head {
  max-width: 44em;
  margin-bottom: clamp(28px, 4vw, 44px);
}

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

.page-contact .pc-brief__item {
  position: relative;
  background: var(--panel);
  border-left: 2px solid var(--violet);
  padding: 20px 22px;
}

.page-contact .pc-brief__idx {
  display: block;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
  margin-bottom: 8px;
}

.page-contact .pc-brief__item h3 {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: 18px;
  line-height: 1.35;
  color: var(--paper-bright);
  margin: 0 0 8px;
}

.page-contact .pc-brief__item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 联系区（暖纸白亮块） ---------- */
.page-contact .pc-touch {
  padding: clamp(40px, 7vw, 88px) 0 0;
}

.page-contact .pc-touch__panel {
  position: relative;
  background: var(--paper-bright);
  color: var(--pc-ink);
  padding: clamp(26px, 5vw, 64px);
  clip-path: polygon(
    calc(var(--cut) * 2) 0,
    100% 0,
    100% 100%,
    0 100%,
    0 calc(var(--cut) * 2)
  );
}

.page-contact .pc-touch__kicker {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: #6B5AC4;
  margin: 0 0 16px;
}

.page-contact .pc-touch__kicker::before {
  content: "";
  width: 26px;
  height: 2px;
  background: var(--violet);
}

.page-contact .pc-touch__title {
  font-family: var(--f-display);
  font-weight: 800;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.18;
  letter-spacing: -0.02em;
  color: var(--pc-ink);
  margin: 0 0 14px;
  max-width: 18em;
}

.page-contact .pc-touch__intro {
  font-size: 15px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
  margin: 0 0 clamp(24px, 4vw, 40px);
  max-width: 34em;
}

.page-contact .pc-touch__grid {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
}

.page-contact .pc-touch__label {
  display: block;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--pc-ink-faint);
  margin-top: 20px;
}

.page-contact .pc-touch__label:first-child {
  margin-top: 0;
}

.page-contact .pc-touch__mail {
  display: block;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(19px, 3.4vw, 36px);
  line-height: 1.24;
  letter-spacing: -0.02em;
  color: var(--pc-ink);
  margin-top: 6px;
  word-break: break-word;
}

.page-contact .pc-touch__mail--sm {
  font-size: clamp(16px, 2.4vw, 24px);
}

.page-contact .pc-touch__tel {
  display: block;
  font-family: var(--f-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(28px, 5.2vw, 56px);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--pc-ink);
  margin-top: 6px;
}

.page-contact .pc-touch__facts {
  margin: clamp(26px, 4vw, 40px) 0 0;
  display: grid;
  gap: 16px;
}

.page-contact .pc-touch__facts dt {
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--pc-ink-faint);
}

.page-contact .pc-touch__facts dd {
  margin: 5px 0 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--pc-ink);
}

.page-contact .pc-touch__tail {
  margin: clamp(24px, 4vw, 40px) 0 0;
  padding-top: 18px;
  border-top: 1px solid rgba(10, 16, 36, 0.16);
  font-size: 14px;
  line-height: 1.75;
  color: var(--pc-ink-soft);
}

.page-contact .pc-touch__tail a {
  color: #5B45C9;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .pc-touch__tail a:hover {
  color: var(--pc-ink);
}

.page-contact .pc-touch__tail a:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 3px;
  border-radius: 2px;
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-brief__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: end;
    gap: clamp(32px, 5vw, 64px);
  }

  .page-contact .pc-ways__grid {
    grid-template-columns: repeat(12, minmax(0, 1fr));
    gap: 22px;
    align-items: start;
  }

  .page-contact .pc-way:nth-child(1) {
    grid-column: 1 / span 6;
    grid-row: 1;
  }

  .page-contact .pc-way:nth-child(2) {
    grid-column: 8 / span 5;
    grid-row: 1;
    margin-top: 68px;
  }

  .page-contact .pc-way:nth-child(3) {
    grid-column: 1 / span 5;
    grid-row: 2;
  }

  .page-contact .pc-way:nth-child(4) {
    grid-column: 7 / span 6;
    grid-row: 2;
    margin-top: 68px;
  }

  .page-contact .pc-way__more {
    max-height: 0;
    opacity: 0;
    overflow: hidden;
    margin-top: 0;
    transition: max-height 260ms var(--ease), opacity 200ms var(--ease),
      margin-top 260ms var(--ease);
  }

  .page-contact .pc-way:hover .pc-way__more,
  .page-contact .pc-way:focus .pc-way__more,
  .page-contact .pc-way:focus-within .pc-way__more {
    max-height: 320px;
    opacity: 1;
    margin-top: 16px;
  }

  .page-contact .pc-flow__list {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 20px;
  }

  .page-contact .pc-touch__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    align-items: start;
  }

  .page-contact .pc-touch__facts {
    margin-top: 0;
  }
}

@media (min-width: 1080px) {
  .page-contact .pc-brief__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-way,
  .page-contact .pc-way__more,
  .page-contact .pc-way__num,
  .page-contact .pc-flow__step,
  .page-contact .pc-step__num {
    transition: none;
  }

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