.page-contact {
  --pc-band-pad: 28px;
  background: var(--ink);
  color: var(--cream);
  font-family: var(--font-display);
  overflow-x: clip;
  padding-bottom: 72px;
}

.page-contact .mono {
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

/* ---------- 首屏 ---------- */
.page-contact .pc-hero {
  position: relative;
  overflow: hidden;
  padding: 20px 0 44px;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-hero::before {
  content: "";
  position: absolute;
  top: -30%;
  right: -12%;
  width: min(640px, 80vw);
  height: min(640px, 80vw);
  background: repeating-linear-gradient(115deg, var(--line-soft) 0 1px, transparent 1px 16px);
  transform: rotate(9deg);
  pointer-events: none;
  opacity: 0.8;
}

.page-contact .pc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34%;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan), transparent);
}

.page-contact .breadcrumb {
  position: relative;
  z-index: 1;
  margin-bottom: 28px;
}

.page-contact .hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 32px;
}

.page-contact .hero-title {
  margin: 10px 0 16px;
  font-size: clamp(30px, 7.4vw, 60px);
  font-weight: 800;
  line-height: 1.06;
  letter-spacing: -0.015em;
  transform: scaleX(0.96);
  transform-origin: left top;
  color: var(--cream);
}

.page-contact .hero-lead {
  max-width: 34em;
  margin: 0 0 24px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-contact .hero-side {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding-left: 16px;
  border-left: 1px solid var(--line);
}

.page-contact .hero-fact {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-contact .hero-fact__num {
  font-size: 24px;
  font-weight: 700;
  color: var(--orange);
  line-height: 1;
}

.page-contact .hero-fact__label {
  font-size: 13px;
  line-height: 1.5;
  color: var(--mist);
}

/* ---------- 合作方向 ---------- */
.page-contact .pc-dir {
  padding: 56px 0 48px;
  border-bottom: 1px solid var(--line);
}

.page-contact .dir-head__title,
.page-contact .flow-head__title,
.page-contact .peak__title {
  margin: 8px 0 12px;
  font-size: clamp(22px, 4.4vw, 34px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--cream);
}

.page-contact .dir-head__lead,
.page-contact .flow-head__lead {
  max-width: 36em;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--mist);
}

.page-contact .dir {
  position: relative;
  display: grid;
  gap: 24px;
  margin-top: 32px;
}

.page-contact .dir__radio {
  position: absolute;
  top: 0;
  left: 0;
  width: 1px;
  height: 1px;
  opacity: 0;
  pointer-events: none;
}

.page-contact .dir__list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.page-contact .dir__opt {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  clip-path: var(--cut-md);
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .dir__opt:hover {
  border-color: var(--line-strong);
  transform: translateX(3px);
}

.page-contact .dir__num {
  font-size: 12px;
  color: var(--mist);
  transition: color var(--dur) var(--ease);
}

.page-contact .dir__optText {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.page-contact .dir__optText strong {
  font-size: 16px;
  font-weight: 700;
  color: var(--cream);
}

.page-contact .dir__optText small {
  font-size: 12px;
  color: var(--mist);
}

.page-contact #c-dir-license:checked ~ .dir__list label[for="c-dir-license"],
.page-contact #c-dir-tech:checked ~ .dir__list label[for="c-dir-tech"],
.page-contact #c-dir-data:checked ~ .dir__list label[for="c-dir-data"],
.page-contact #c-dir-brand:checked ~ .dir__list label[for="c-dir-brand"] {
  background: linear-gradient(90deg, var(--cyan) 0 3px, var(--panel) 3px);
  border-color: var(--cyan);
}

.page-contact #c-dir-license:checked ~ .dir__list label[for="c-dir-license"] .dir__num,
.page-contact #c-dir-tech:checked ~ .dir__list label[for="c-dir-tech"] .dir__num,
.page-contact #c-dir-data:checked ~ .dir__list label[for="c-dir-data"] .dir__num,
.page-contact #c-dir-brand:checked ~ .dir__list label[for="c-dir-brand"] .dir__num {
  color: var(--cyan);
}

.page-contact #c-dir-license:focus-visible ~ .dir__list label[for="c-dir-license"],
.page-contact #c-dir-tech:focus-visible ~ .dir__list label[for="c-dir-tech"],
.page-contact #c-dir-data:focus-visible ~ .dir__list label[for="c-dir-data"],
.page-contact #c-dir-brand:focus-visible ~ .dir__list label[for="c-dir-brand"] {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-contact .dir__panels {
  min-width: 0;
}

.page-contact .dir__figure {
  margin: 0 0 24px;
  border: 1px solid var(--line);
  clip-path: var(--cut-md);
}

.page-contact .dir__panel {
  display: none;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: var(--cut-lg);
  padding: 24px 20px;
}

.page-contact #c-dir-license:checked ~ .dir__panels [data-panel="license"],
.page-contact #c-dir-tech:checked ~ .dir__panels [data-panel="tech"],
.page-contact #c-dir-data:checked ~ .dir__panels [data-panel="data"],
.page-contact #c-dir-brand:checked ~ .dir__panels [data-panel="brand"] {
  display: block;
}

.page-contact .dir__panelTitle {
  margin: 0 0 16px;
  font-size: 20px;
  font-weight: 800;
  color: var(--cyan);
}

.page-contact .dir__rows {
  margin: 0;
}

.page-contact .dir__row {
  display: grid;
  gap: 4px;
  padding: 12px 0;
  border-top: 1px dashed var(--line);
}

.page-contact .dir__row:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-contact .dir__row dt {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-contact .dir__row dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--cream);
}

.page-contact .dir__link {
  display: inline-block;
  margin-top: 18px;
  font-size: 13px;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid currentColor;
  padding-bottom: 2px;
}

.page-contact .dir__link:hover {
  color: var(--orange);
}

/* ---------- 流程 ---------- */
.page-contact .pc-flow {
  padding: 56px 0 52px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink) 0%, var(--panel-2) 100%);
}

.page-contact .flow__grid {
  display: grid;
  gap: 32px;
  margin-top: 32px;
}

.page-contact .flow__steps {
  position: relative;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .flow__steps::before {
  content: "";
  position: absolute;
  top: 8px;
  bottom: 8px;
  left: 13px;
  width: 1px;
  background: linear-gradient(180deg, var(--cyan), var(--line) 70%, transparent);
}

.page-contact .flow__step {
  position: relative;
  padding-left: 44px;
  margin-bottom: 16px;
}

.page-contact .flow__step::before {
  content: "";
  position: absolute;
  top: 16px;
  left: 6px;
  width: 15px;
  height: 15px;
  border: 1px solid var(--cyan);
  border-radius: 50%;
  background: var(--ink);
}

.page-contact .flow__toggle {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 12px;
  width: 100%;
  padding: 13px 16px;
  background: var(--panel);
  border: 1px solid var(--line);
  clip-path: var(--cut-sm);
  color: var(--cream);
  font: inherit;
  text-align: left;
  cursor: pointer;
  transition: border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-contact .flow__toggle:hover {
  border-color: var(--line-strong);
  background: var(--panel-2);
}

.page-contact .flow__toggle:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--cyan);
}

.page-contact .flow__num {
  font-size: 12px;
  color: var(--orange);
}

.page-contact .flow__title {
  font-size: 16px;
  font-weight: 700;
}

.page-contact .flow__meta {
  margin-left: auto;
  font-size: 11px;
  color: var(--mist);
}

.page-contact .flow__panel {
  padding: 12px 0 4px 4px;
}

.page-contact .flow__list {
  margin: 0;
  padding-left: 18px;
  list-style: square;
}

.page-contact .flow__list li {
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .flow__list li::marker {
  color: var(--cyan);
}

.page-contact .flow__figure {
  margin: 0;
  border: 1px solid var(--line);
  clip-path: var(--cut-md);
  align-self: start;
}

/* ---------- 联系卡带 ---------- */
.page-contact .pc-band {
  padding: 56px 0 48px;
}

.page-contact .band {
  background: var(--cream);
  color: var(--paper-ink);
  clip-path: var(--cut-lg);
  padding: var(--pc-band-pad);
  border: 1px solid var(--paper-shadow);
}

.page-contact .band__eyebrow {
  color: var(--orange);
}

.page-contact .band__title {
  margin: 8px 0 12px;
  font-size: clamp(22px, 4.4vw, 32px);
  font-weight: 800;
  line-height: 1.2;
  color: var(--paper-ink);
}

.page-contact .band__lead {
  max-width: 40em;
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--paper-muted);
}

.page-contact .band__grid {
  display: grid;
  gap: 22px;
  margin-top: 28px;
}

.page-contact .band-card {
  border-top: 2px solid var(--paper-ink);
  padding-top: 14px;
}

.page-contact .band-card__label {
  margin: 0;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--paper-muted);
}

.page-contact .band-card__value {
  margin: 8px 0 0;
  font-size: 15px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-ink);
  overflow-wrap: anywhere;
}

.page-contact .band-card__note {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-muted);
}

.page-contact .band__tail {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px dashed var(--paper-shadow);
  font-size: 13px;
  line-height: 1.7;
  color: var(--paper-muted);
}

.page-contact .band__tail a {
  color: var(--paper-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 赛事高峰 ---------- */
.page-contact .pc-peak {
  padding: 0 0 52px;
}

.page-contact .peak {
  display: grid;
  gap: 24px;
  padding: 26px 20px;
  background: linear-gradient(140deg, var(--pine) 0%, var(--panel-2) 62%);
  border: 1px dashed var(--line-strong);
  clip-path: var(--cut-md);
}

.page-contact .peak__text {
  max-width: 38em;
  margin: 0 0 12px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

.page-contact .peak__text a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-contact .peak__facts {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
  align-content: start;
}

.page-contact .peak__facts li {
  padding-left: 14px;
  border-left: 2px solid var(--orange);
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

.page-contact .peak__facts .mono {
  display: inline-block;
  margin-right: 6px;
  font-size: 18px;
  font-weight: 700;
  color: var(--cream);
}

/* ---------- 延伸链接 ---------- */
.page-contact .pc-more {
  padding-top: 0;
}

.page-contact .more {
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-contact .more__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-contact .more__list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-contact .more__list a {
  font-size: 14px;
  color: var(--cream);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 2px;
}

.page-contact .more__list a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 图片兜底 ---------- */
.page-contact .media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .media__caption {
  padding: 10px 12px;
  font-size: 12px;
  line-height: 1.6;
  color: var(--mist);
  background: var(--ink-deep);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-contact .pc-hero {
    padding: 28px 0 56px;
  }

  .page-contact .band {
    --pc-band-pad: 36px;
  }

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

  .page-contact .dir__panel {
    padding: 28px 26px;
  }
}

@media (min-width: 900px) {
  .page-contact .hero-grid {
    grid-template-columns: minmax(0, 1fr) 250px;
    align-items: end;
    gap: 56px;
  }

  .page-contact .hero-side {
    padding-bottom: 6px;
  }

  .page-contact .flow__grid {
    grid-template-columns: minmax(0, 1fr) 320px;
    align-items: start;
    gap: 40px;
  }

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

  .page-contact .peak {
    grid-template-columns: minmax(0, 1fr) 260px;
    align-items: center;
    padding: 32px 30px;
    gap: 36px;
  }

  .page-contact .dir__figure {
    margin-bottom: 28px;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-hero {
    padding: 32px 0 68px;
  }

  .page-contact .pc-dir,
  .page-contact .pc-flow {
    padding-top: 72px;
    padding-bottom: 64px;
  }

  .page-contact .pc-band {
    padding-top: 72px;
    padding-bottom: 56px;
  }

  .page-contact .dir {
    grid-template-columns: 292px minmax(0, 1fr);
    gap: 48px;
    margin-top: 40px;
  }

  .page-contact .dir__list {
    position: sticky;
    top: calc(var(--bar) + 16px);
    align-self: start;
  }

  .page-contact .flow__grid {
    margin-top: 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .dir__opt,
  .page-contact .dir__num,
  .page-contact .flow__toggle {
    transition: none;
  }

  .page-contact .dir__opt:hover {
    transform: none;
  }
}
<<<END>>>