.page-contact {
  --pc-card: #14171C;
  --pc-card-2: #191D23;
  --pc-grid: rgba(245, 239, 227, 0.06);
  --pc-ink-soft: #6B6256;
  background-color: var(--ink);
  color: var(--fg);
  font-family: var(--font-sans);
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: hidden;
}

.page-contact .section {
  padding-block: clamp(40px, 7vw, 88px);
}

.page-contact .head {
  max-width: 52em;
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-contact .head h2 {
  margin: 10px 0 0;
  font-family: var(--font-condensed);
  font-size: var(--fs-h2);
  line-height: 1.24;
  letter-spacing: 0.01em;
  color: var(--fg);
}

.page-contact .head__lead {
  margin: 12px 0 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--fg-dim);
}

/* ---------- 首屏 ---------- */
.page-contact .hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: var(--rule-thick) solid var(--red);
}

.page-contact .hero__bg {
  position: absolute;
  inset: 0;
  z-index: -2;
}

.page-contact .hero__bg img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.32;
}

.page-contact .hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(104deg, rgba(11, 13, 16, 0.97) 0%, rgba(11, 13, 16, 0.86) 48%, rgba(11, 13, 16, 0.52) 100%),
    repeating-linear-gradient(90deg, var(--pc-grid) 0 1px, transparent 1px 74px);
}

.page-contact .hero__inner {
  padding-block: clamp(26px, 5vw, 56px) clamp(40px, 7vw, 84px);
}

.page-contact .hero__crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 3.5vw, 34px);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.08em;
  color: var(--fg-dim);
}

.page-contact .hero__crumbs a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

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

.page-contact .hero__crumbs [aria-current="page"] {
  color: var(--acid);
}

.page-contact .hero h1 {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  max-width: 17em;
  font-family: var(--font-condensed);
  font-size: var(--fs-h1);
  line-height: 1.14;
  letter-spacing: 0.01em;
  text-wrap: balance;
}

.page-contact .hero__lead {
  max-width: 44em;
  margin: 0 0 clamp(24px, 4vw, 38px);
  padding-left: 16px;
  border-left: var(--rule) solid var(--red);
  font-size: var(--fs-body);
  line-height: 1.78;
  color: var(--fg-dim);
}

.page-contact .hero__stats {
  list-style: none;
  margin: 0 0 clamp(24px, 4vw, 38px);
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-contact .hero__stat {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: rgba(11, 13, 16, 0.74);
}

.page-contact .hero__stat-num {
  font-family: var(--font-mono);
  font-size: clamp(28px, 5vw, 40px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .hero__stat:nth-child(2) .hero__stat-num {
  color: var(--acid);
}

.page-contact .hero__stat:nth-child(3) .hero__stat-num {
  color: var(--orange);
}

.page-contact .hero__stat-label {
  font-size: var(--fs-note);
  line-height: 1.45;
  color: var(--fg-dim);
}

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

/* ---------- 四类伙伴 ---------- */
.page-contact .partners {
  background: linear-gradient(180deg, var(--ink) 0%, #101318 100%);
  border-bottom: 1px solid var(--line);
}

.page-contact .partners__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-contact .partner {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: clamp(18px, 3vw, 26px);
  background: var(--pc-card);
  border: var(--rule) solid var(--line-strong);
  box-shadow: var(--shadow-hard);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .partner:hover,
.page-contact .partner:focus-within {
  border-color: var(--cyan);
  transform: translateY(-3px);
}

.page-contact .partner__idx {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  color: var(--red);
}

.page-contact .partner__name {
  margin: 0;
  font-family: var(--font-condensed);
  font-size: 20px;
  line-height: 1.3;
  color: var(--fg);
}

.page-contact .partner__scene {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--fg-dim);
}

.page-contact .partner__give {
  margin: 0;
  padding-top: 12px;
  border-top: 1px dashed var(--line-strong);
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 合作方式选择器 ---------- */
.page-contact .modes__wrap {
  position: relative;
  padding: clamp(16px, 3vw, 28px);
  background: var(--pc-card-2);
  border: var(--rule) solid var(--line-strong);
  box-shadow: var(--shadow-hard);
}

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

.page-contact .modes__tabs {
  display: flex;
  gap: 8px;
  margin-bottom: 20px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--line);
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-contact .modes__tab {
  flex: 0 0 auto;
  padding: 10px 16px;
  border: 2px solid var(--line-strong);
  background: transparent;
  color: var(--fg-dim);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.06em;
  white-space: nowrap;
  cursor: pointer;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-contact .modes__tab:hover {
  color: var(--fg);
  border-color: var(--cyan);
}

.page-contact #mode-content:checked ~ .modes__tabs [for="mode-content"],
.page-contact #mode-data:checked ~ .modes__tabs [for="mode-data"],
.page-contact #mode-topic:checked ~ .modes__tabs [for="mode-topic"],
.page-contact #mode-event:checked ~ .modes__tabs [for="mode-event"] {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
  box-shadow: inset 0 3px 0 var(--acid);
}

.page-contact #mode-content:focus-visible ~ .modes__tabs [for="mode-content"],
.page-contact #mode-data:focus-visible ~ .modes__tabs [for="mode-data"],
.page-contact #mode-topic:focus-visible ~ .modes__tabs [for="mode-topic"],
.page-contact #mode-event:focus-visible ~ .modes__tabs [for="mode-event"] {
  outline: 3px solid var(--focus);
  outline-offset: 2px;
}

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

.page-contact #mode-content:checked ~ .modes__panels [data-panel="content"],
.page-contact #mode-data:checked ~ .modes__panels [data-panel="data"],
.page-contact #mode-topic:checked ~ .modes__panels [data-panel="topic"],
.page-contact #mode-event:checked ~ .modes__panels [data-panel="event"] {
  display: block;
  animation: pc-fade 0.22s var(--ease) both;
}

@keyframes pc-fade {
  from {
    opacity: 0;
    transform: translateY(6px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.page-contact .modes__panel-title {
  margin: 0 0 10px;
  font-family: var(--font-condensed);
  font-size: 22px;
  line-height: 1.3;
  color: var(--cyan);
}

.page-contact .modes__panel-text {
  margin: 0 0 16px;
  max-width: 56em;
  font-size: var(--fs-small);
  line-height: 1.78;
  color: var(--fg-dim);
}

.page-contact .modes__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 10px;
}

.page-contact .modes__list li {
  position: relative;
  padding-left: 22px;
  font-size: var(--fs-small);
  line-height: 1.7;
  color: var(--paper);
}

.page-contact .modes__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.68em;
  width: 12px;
  height: 3px;
  background: var(--acid);
}

.page-contact .modes__fit {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.05em;
  color: var(--orange);
}

/* ---------- 流程 ---------- */
.page-contact .flow__layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 4vw, 36px);
}

.page-contact .flow__figure {
  margin: 0;
  border: var(--rule) solid var(--line-strong);
  background: var(--pc-card);
  box-shadow: var(--shadow-cyan);
  overflow: hidden;
}

.page-contact .flow__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

.page-contact .flow__caption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.04em;
  color: var(--fg-dim);
}

.page-contact .flow__steps {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .flow__step {
  padding: 16px 18px;
  background: var(--pc-card);
  border: 2px solid var(--line);
  border-left: var(--rule-thick) solid var(--red);
  transition: border-left-color var(--dur) var(--ease), background-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-contact .flow__step:hover {
  background: var(--pc-card-2);
  border-left-color: var(--cyan);
  transform: translateX(3px);
}

.page-contact .flow__step-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 8px;
}

.page-contact .flow__num {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-contact .flow__title {
  margin: 0;
  font-family: var(--font-condensed);
  font-size: 19px;
  line-height: 1.3;
  color: var(--fg);
}

.page-contact .flow__text {
  margin: 0;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--fg-dim);
}

/* ---------- 能力数据 ---------- */
.page-contact .strength {
  background: #0E1116;
  border-block: 1px solid var(--line);
}

.page-contact .strength__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}

.page-contact .strength__item {
  padding: 18px;
  background: linear-gradient(158deg, rgba(42, 45, 52, 0.6) 0%, rgba(11, 13, 16, 0.92) 100%);
  border: 2px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-contact .strength__item:hover {
  border-color: var(--cyan);
}

.page-contact .strength__num {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(30px, 5vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
}

.page-contact .strength__item:nth-child(4) .strength__num {
  color: var(--acid);
}

.page-contact .strength__item:nth-child(6) .strength__num {
  color: var(--orange);
}

.page-contact .strength__label {
  display: block;
  margin-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--fg-dim);
}

.page-contact .strength__text {
  margin: 12px 0 0;
  font-size: var(--fs-small);
  line-height: 1.72;
  color: var(--paper);
}

/* ---------- 联系卡 ---------- */
.page-contact .contact-block {
  background: linear-gradient(180deg, #0E1116 0%, var(--ink) 100%);
}

.page-contact .contact-card {
  padding: clamp(22px, 4vw, 52px);
  background: var(--paper);
  color: var(--ink);
  border: var(--rule-thick) solid var(--red);
  box-shadow: var(--shadow-cyan);
}

.page-contact .contact-card__head h2 {
  margin: 10px 0 0;
  font-family: var(--font-condensed);
  font-size: var(--fs-h2);
  line-height: 1.24;
  color: var(--ink);
}

.page-contact .contact-card__lead {
  margin: 12px 0 0;
  max-width: 46em;
  font-size: var(--fs-small);
  line-height: 1.75;
  color: var(--pc-ink-soft);
}

.page-contact .contact-card__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: clamp(18px, 3vw, 28px) 0;
  background: var(--paper-line);
  border: 1px solid var(--paper-line);
}

.page-contact .contact-card__item {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding: 14px 16px;
  background: var(--white);
}

.page-contact .contact-card__label {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--pc-ink-soft);
}

.page-contact .contact-card__value {
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--ink);
  text-decoration: none;
  word-break: break-word;
}

.page-contact .contact-card__value:hover {
  color: var(--red);
}

.page-contact .contact-card__note {
  margin: 0 0 clamp(18px, 3vw, 26px);
  padding-left: 14px;
  border-left: 3px solid var(--red);
  font-size: var(--fs-note);
  line-height: 1.7;
  color: var(--pc-ink-soft);
}

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

.page-contact .contact-card .btn--ghost {
  color: var(--red);
  border-color: var(--red);
  background: transparent;
}

.page-contact .contact-card .btn--ghost:hover {
  background: var(--red);
  color: var(--white);
}

/* ---------- 常见问题 ---------- */
.page-contact .qa__list {
  border-top: 1px solid var(--line-strong);
}

.page-contact .qa__item {
  border-bottom: 1px solid var(--line-strong);
}

.page-contact .qa__q {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 18px 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--fg);
  cursor: pointer;
  list-style: none;
}

.page-contact .qa__q::-webkit-details-marker {
  display: none;
}

.page-contact .qa__q::marker {
  content: "";
}

.page-contact .qa__q-idx {
  font-family: var(--font-mono);
  font-size: var(--fs-mono);
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-contact .qa__item[open] .qa__q {
  color: var(--acid);
}

.page-contact .qa__a {
  padding: 0 0 20px 0;
}

.page-contact .qa__a p {
  margin: 0;
  max-width: 62em;
  font-size: var(--fs-small);
  line-height: 1.78;
  color: var(--fg-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-contact .hero__stats {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

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

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

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

@media (min-width: 1000px) {
  .page-contact .partners__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

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

  .page-contact .flow__layout {
    grid-template-columns: minmax(0, 0.92fr) minmax(0, 1.08fr);
    align-items: start;
  }

  .page-contact .flow__steps {
    gap: 10px;
  }

  .page-contact .modes__tabs {
    flex-wrap: wrap;
    overflow-x: visible;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .partner,
  .page-contact .flow__step,
  .page-contact .strength__item,
  .page-contact .modes__panel {
    transition: none;
    animation: none;
    transform: none;
  }
}
<<<PAGE_CSS-END>>>