.page-contact {
  --pc-max: 1160px;
  --pc-gap: calc(var(--u) * 2);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-contact .kicker {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  margin: 0 0 calc(var(--u) * 1.5);
}

.page-contact .label {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--muted);
  display: block;
  margin: 0 0 calc(var(--u) * 0.75);
}

.page-contact .breadcrumb {
  padding: calc(var(--u) * 2) 0 0;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--muted);
}

.page-contact .breadcrumb a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-contact .breadcrumb a:hover,
.page-contact .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 首屏 ---------- */

.page-contact .contact-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  padding: calc(var(--u) * 3) 0 calc(var(--u) * 6);
}

.page-contact .hero-img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: contrast(1.15) saturate(.8);
}

.page-contact .hero-veil {
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(118deg, rgba(43, 245, 200, .055) 0 1px, transparent 1px 15px),
    linear-gradient(180deg, rgba(6, 17, 15, .78) 0%, rgba(6, 17, 15, .92) 62%, var(--ink) 100%);
}

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

.page-contact .contact-hero h1 {
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  letter-spacing: -.02em;
  font-size: clamp(34px, 8vw, 72px);
  line-height: 1.03;
  margin: 0 0 calc(var(--u) * 2.5);
  max-width: 13em;
}

.page-contact .lede {
  font-size: clamp(15px, 3.6vw, 17px);
  line-height: 1.8;
  color: var(--paper);
  opacity: .86;
  max-width: 42em;
  margin: 0;
}

.page-contact .hero-jump {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: calc(var(--u) * 1.25) calc(var(--u) * 2.5);
  margin: calc(var(--u) * 4) 0 0;
  padding: calc(var(--u) * 2) 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .hero-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: calc(var(--u) * 0.75);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-contact .hero-jump a:hover,
.page-contact .hero-jump a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-contact .jump-num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
  letter-spacing: .06em;
}

.page-contact .vnote {
  display: none;
}

/* ---------- 渠道卡 ---------- */

.page-contact .channels {
  padding: calc(var(--u) * 6) 0 calc(var(--u) * 7);
  position: relative;
  background:
    radial-gradient(circle at 88% 8%, rgba(43, 245, 200, .07), transparent 46%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-contact .sec-head {
  max-width: 56em;
  margin-bottom: calc(var(--u) * 4);
}

.page-contact .sec-head h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  letter-spacing: -.015em;
  font-size: clamp(24px, 5.4vw, 40px);
  line-height: 1.18;
  margin: 0 0 calc(var(--u) * 1.5);
}

.page-contact .sec-lede {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0;
  max-width: 40em;
}

.page-contact .sec-head--split {
  max-width: none;
  display: grid;
  gap: calc(var(--u) * 2);
}

.page-contact .channel-grid {
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .channel-card {
  position: relative;
  overflow: hidden;
  background: var(--ink-2);
  padding: calc(var(--u) * 3.5) calc(var(--u) * 2.5) calc(var(--u) * 3);
  transition: background .25s var(--ease);
}

.page-contact .channel-card::after {
  content: "";
  position: absolute;
  inset: 0;
  transform: translateY(-100%);
  background: linear-gradient(180deg, transparent, rgba(43, 245, 200, .16), transparent);
  pointer-events: none;
}

.page-contact .channel-card:hover,
.page-contact .channel-card:focus-within {
  background: var(--ink-3);
}

.page-contact .channel-card:hover::after,
.page-contact .channel-card:focus-within::after {
  animation: pc-scan .4s var(--ease) 1;
}

@keyframes pc-scan {
  from { transform: translateY(-100%); }
  to { transform: translateY(100%); }
}

.page-contact .channel-value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 4.6vw, 27px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--cyan);
  margin: 0 0 calc(var(--u) * 1.5);
  overflow-wrap: anywhere;
}

.page-contact .channel-card:last-child .channel-value {
  color: var(--amber);
}

.page-contact .channel-note {
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  margin: 0 0 calc(var(--u) * 2.5);
  max-width: 34em;
}

.page-contact .copy-btn {
  font-size: 13px;
  letter-spacing: .06em;
  padding: calc(var(--u) * 1.1) calc(var(--u) * 2);
  background: transparent;
  color: var(--paper);
  border: 1px solid var(--line);
  border-radius: 2px;
  cursor: pointer;
  font-family: var(--font-body);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-contact .copy-btn:hover,
.page-contact .copy-btn:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan);
}

.page-contact .copy-btn:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 路由表 ---------- */

.page-contact .route-sec {
  padding: calc(var(--u) * 7) 0;
  background: var(--ink-2);
  border-bottom: 1px solid var(--line);
}

.page-contact .route-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .route-row {
  display: grid;
  gap: calc(var(--u) * 1.25);
  padding: calc(var(--u) * 3) 0;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-contact .route-row::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 34px;
  height: 2px;
  background: var(--cyan);
  opacity: .7;
}

.page-contact .route-case {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 17px;
  line-height: 1.5;
  letter-spacing: -.01em;
  margin: 0;
  color: var(--paper);
}

.page-contact .route-to,
.page-contact .route-need {
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin: 0;
}

.page-contact .route-to {
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
}

.page-contact .route-to .label,
.page-contact .route-need .label {
  display: inline-block;
  margin-right: calc(var(--u) * 1);
  color: var(--cyan);
}

.page-contact .route-tail,
.page-contact .prep-tail {
  margin: calc(var(--u) * 3) 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
}

.page-contact .route-tail a,
.page-contact .prep-tail a,
.page-contact .side-link a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 245, 200, .4);
}

.page-contact .route-tail a:hover,
.page-contact .prep-tail a:hover,
.page-contact .side-link a:hover {
  border-bottom-color: var(--cyan);
}

/* ---------- 轮次编号 ---------- */

.page-contact .round-sec {
  padding: calc(var(--u) * 7) 0;
  background:
    repeating-linear-gradient(90deg, rgba(60, 90, 82, .18) 0 1px, transparent 1px 96px),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-contact .round-inner {
  display: grid;
  gap: calc(var(--u) * 4);
}

.page-contact .round-copy h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  letter-spacing: -.015em;
  font-size: clamp(24px, 5.4vw, 40px);
  line-height: 1.18;
  margin: 0 0 calc(var(--u) * 2);
}

.page-contact .round-copy p {
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
  margin: 0 0 calc(var(--u) * 2);
  max-width: 38em;
}

.page-contact .round-sample {
  font-family: var(--font-mono);
  font-size: clamp(12px, 3.2vw, 14px);
  line-height: 1.9;
  color: var(--paper);
  background: var(--ink-3);
  border-left: 2px solid var(--cyan);
  padding: calc(var(--u) * 2) calc(var(--u) * 2);
  margin: 0 0 calc(var(--u) * 2) !important;
  overflow-wrap: anywhere;
}

.page-contact .round-side {
  background: var(--ink-2);
  border: 1px solid var(--line);
  padding: calc(var(--u) * 3) calc(var(--u) * 2.5);
}

.page-contact .side-title {
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--cyan);
  margin: 0 0 calc(var(--u) * 2);
}

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

.page-contact .side-list li {
  position: relative;
  padding-left: calc(var(--u) * 2.5);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
  margin-bottom: calc(var(--u) * 1.75);
}

.page-contact .side-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-contact .side-link {
  margin: calc(var(--u) * 2) 0 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  padding-top: calc(var(--u) * 2);
  border-top: 1px solid var(--line);
}

/* ---------- 合作 ---------- */

.page-contact .partner-sec {
  padding: calc(var(--u) * 7) 0;
  background: var(--wine);
  border-bottom: 1px solid var(--line);
}

.page-contact .partner-inner {
  display: grid;
  gap: calc(var(--u) * 4);
}

.page-contact .partner-copy h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-stretch: condensed;
  letter-spacing: -.015em;
  font-size: clamp(24px, 5.4vw, 40px);
  line-height: 1.18;
  margin: 0 0 calc(var(--u) * 2);
  color: var(--paper);
}

.page-contact .partner-copy > p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(234, 244, 239, .82);
  margin: 0 0 calc(var(--u) * 2.5);
  max-width: 40em;
}

.page-contact .partner-list {
  list-style: none;
  margin: 0 0 calc(var(--u) * 2.5);
  padding: 0;
  border-top: 1px solid rgba(234, 244, 239, .28);
}

.page-contact .partner-list li {
  padding: calc(var(--u) * 2) 0;
  border-bottom: 1px solid rgba(234, 244, 239, .28);
}

.page-contact .partner-tag {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--amber);
  border: 1px solid rgba(242, 193, 78, .5);
  border-radius: 2px;
  padding: 3px 8px;
  margin-bottom: calc(var(--u) * 1);
}

.page-contact .partner-list p {
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: rgba(234, 244, 239, .86);
}

.page-contact .partner-note {
  font-size: 13px;
  line-height: 1.85;
  color: rgba(234, 244, 239, .78);
  border-left: 2px solid var(--amber);
  padding-left: calc(var(--u) * 1.75);
  margin: 0;
}

.page-contact .partner-figure {
  margin: 0;
}

.page-contact .partner-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border: 1px solid rgba(234, 244, 239, .28);
  filter: contrast(1.08) saturate(.72) brightness(.9);
}

.page-contact .partner-figure figcaption {
  margin-top: calc(var(--u) * 1.25);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: rgba(234, 244, 239, .7);
}

/* ---------- 准备清单 ---------- */

.page-contact .prep-sec {
  padding: calc(var(--u) * 7) 0;
  background: var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-contact .prep-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: prep;
}

.page-contact .prep-item {
  position: relative;
  padding: 0 0 calc(var(--u) * 3.5) calc(var(--u) * 7);
}

.page-contact .prep-item::before {
  content: "";
  position: absolute;
  left: 19px;
  top: 42px;
  bottom: 0;
  width: 1px;
  background: var(--line);
}

.page-contact .prep-item:last-child::before {
  display: none;
}

.page-contact .prep-num {
  position: absolute;
  left: 0;
  top: 0;
  width: 38px;
  height: 38px;
  display: grid;
  place-items: center;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
  border: 1px solid var(--cyan);
  background: var(--ink);
}

.page-contact .prep-item h3 {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  line-height: 1.5;
  margin: 6px 0 calc(var(--u) * 0.75);
  color: var(--paper);
}

.page-contact .prep-item p {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted);
  max-width: 40em;
}

/* ---------- 落款 ---------- */

.page-contact .imprint {
  padding: calc(var(--u) * 6) 0 calc(var(--u) * 8);
  background: var(--ink-2);
}

.page-contact .imprint-title {
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
  font-weight: 500;
  margin: 0 0 calc(var(--u) * 2.5);
  font-family: var(--font-body);
}

.page-contact .imprint-list {
  display: grid;
  gap: calc(var(--u) * 2);
  margin: 0;
  padding: calc(var(--u) * 2.5) 0 0;
  border-top: 1px solid var(--line);
}

.page-contact .imprint-item dt {
  margin-bottom: 4px;
}

.page-contact .imprint-item dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  letter-spacing: .02em;
  overflow-wrap: anywhere;
}

.page-contact .imprint-note {
  margin: calc(var(--u) * 3) 0 0;
  padding-top: calc(var(--u) * 2);
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.85;
  letter-spacing: .04em;
  color: var(--muted);
  max-width: 46em;
}

/* ---------- 响应式 ---------- */

@media (min-width: 640px) {
  .page-contact .channel-card {
    padding: calc(var(--u) * 4) calc(var(--u) * 3.5);
  }

  .page-contact .imprint-list {
    grid-template-columns: 1fr 1fr;
    gap: calc(var(--u) * 2.5) calc(var(--u) * 4);
  }
}

@media (min-width: 900px) {
  .page-contact .breadcrumb {
    padding-top: calc(var(--u) * 2.5);
  }

  .page-contact .contact-hero {
    padding: calc(var(--u) * 4) 0 calc(var(--u) * 9);
  }

  .page-contact .hero-img {
    opacity: .3;
  }

  .page-contact .hero-inner {
    padding-right: calc(var(--u) * 6);
  }

  .page-contact .vnote {
    display: block;
    position: absolute;
    right: 0;
    bottom: calc(var(--u) * 4);
    writing-mode: vertical-rl;
    font-family: var(--font-mono);
    font-size: 11px;
    letter-spacing: .22em;
    color: var(--muted);
    margin: 0;
  }

  .page-contact .hero-jump {
    gap: calc(var(--u) * 3.5);
  }

  .page-contact .sec-head--split {
    grid-template-columns: 1.15fr .85fr;
    align-items: end;
    gap: calc(var(--u) * 5);
  }

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

  .page-contact .route-row {
    grid-template-columns: 1.3fr .7fr 1.4fr;
    gap: calc(var(--u) * 3);
    align-items: baseline;
    padding: calc(var(--u) * 2.75) 0 calc(var(--u) * 2.75) calc(var(--u) * 2.5);
  }

  .page-contact .route-row::before {
    top: 50%;
    transform: translateY(-50%);
  }

  .page-contact .round-inner {
    grid-template-columns: 1.45fr .8fr;
    gap: calc(var(--u) * 5);
    align-items: start;
  }

  .page-contact .partner-inner {
    grid-template-columns: 1.2fr .8fr;
    gap: calc(var(--u) * 6);
    align-items: start;
  }

  .page-contact .partner-figure {
    margin-top: calc(var(--u) * 2);
  }

  .page-contact .prep-item {
    padding-left: calc(var(--u) * 9);
  }

  .page-contact .prep-item::before {
    left: 23px;
    top: 50px;
  }

  .page-contact .prep-num {
    width: 46px;
    height: 46px;
    font-size: 13px;
  }
}

@media (min-width: 1180px) {
  .page-contact .imprint-list {
    grid-template-columns: repeat(4, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .channel-card:hover::after,
  .page-contact .channel-card:focus-within::after {
    animation: none;
  }

  .page-contact * {
    transition-duration: .001ms !important;
  }
}
<<<END>>>