.page-contact {
  --pc-line: rgba(154, 149, 174, 0.28);
}

/* ============ 首屏 ============ */
.page-contact .pc-hero {
  padding-top: 124px;
  padding-bottom: 56px;
}
.page-contact .pc-hero__grid {
  display: grid;
  gap: 30px;
  align-items: stretch;
}
.page-contact .pc-hero__copy {
  min-width: 0;
}
.page-contact .pc-hero__title {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 8vw, 58px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper-050);
  margin: 14px 0 18px;
  overflow-wrap: break-word;
}
.page-contact .pc-hero__lede {
  font-size: 17px;
  line-height: 1.78;
  color: var(--paper-050);
  opacity: 0.9;
  max-width: 34em;
}
.page-contact .pc-stats {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 30px;
}
.page-contact .pc-stat {
  min-width: 128px;
  padding-left: 12px;
  border-left: 3px solid var(--orange-500);
}
.page-contact .pc-stat:nth-child(2) {
  border-left-color: var(--cyan-400);
}
.page-contact .pc-stat:nth-child(3) {
  border-left-color: var(--purple-500);
}
.page-contact .pc-stat__num {
  display: block;
  font-size: 20px;
  font-weight: 700;
  color: var(--orange-500);
}
.page-contact .pc-stat__label {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  color: var(--fog-500);
}
.page-contact .pc-hero__media {
  position: relative;
  border: 3px solid var(--purple-500);
  box-shadow: var(--shadow-hard);
  background: var(--ink-950);
  min-height: 230px;
  overflow: hidden;
}
.page-contact .pc-hero__media::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 12px;
  z-index: 3;
  background: linear-gradient(
    90deg,
    var(--orange-500) 0 33.3%,
    var(--cyan-400) 33.3% 66.6%,
    var(--purple-500) 66.6% 100%
  );
}
.page-contact .pc-hero__media img {
  width: 100%;
  height: 100%;
  min-height: 230px;
  object-fit: cover;
  display: block;
}

/* ============ 通用小标题 ============ */
.page-contact .pc-h2 {
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(24px, 4.6vw, 36px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper-050);
  margin: 12px 0 14px;
}
.page-contact .pc-h2--ink {
  color: var(--ink-900);
}
.page-contact .pc-lede {
  font-size: 16px;
  line-height: 1.75;
  color: var(--paper-050);
  opacity: 0.86;
  max-width: 34em;
}
.page-contact .pc-lede--ink {
  color: var(--ink-900);
  opacity: 0.82;
}
.page-contact .pc-eyebrow--ink {
  color: var(--purple-500);
}

/* ============ 通道区 ============ */
.page-contact .pc-channels__layout {
  display: grid;
  gap: 34px;
  align-items: start;
}
.page-contact .pc-channel-list {
  margin-top: 24px;
  display: grid;
  gap: 16px;
  border-top: 3px solid var(--orange-500);
  padding-top: 16px;
}
.page-contact .pc-channel {
  position: relative;
  background: var(--ink-950);
  border: 2px solid var(--purple-500);
  box-shadow: var(--shadow-soft);
  padding: 20px 20px 20px 26px;
  min-width: 0;
  transition: border-color var(--ease), box-shadow var(--ease), transform var(--ease);
}
.page-contact .pc-channel::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 6px;
  background: var(--pc-accent, var(--purple-500));
}
.page-contact .pc-channel--orange {
  --pc-accent: var(--orange-500);
}
.page-contact .pc-channel--cyan {
  --pc-accent: var(--cyan-400);
}
.page-contact .pc-channel--purple {
  --pc-accent: var(--purple-500);
}
.page-contact .pc-channel:hover,
.page-contact .pc-channel:focus-visible,
.page-contact .pc-channel:focus-within {
  border-color: var(--pc-accent);
  box-shadow: var(--shadow-hard);
  transform: translateY(-2px);
}
.page-contact .pc-channel__title {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--paper-050);
  margin: 0 0 8px;
}
.page-contact .pc-channel__desc {
  font-size: 15px;
  line-height: 1.7;
  color: var(--fog-500);
  margin: 0 0 14px;
}
.page-contact .pc-channel__meta {
  margin: 0;
  display: grid;
  gap: 6px;
}
.page-contact .pc-channel__row {
  display: grid;
  grid-template-columns: 4.5em minmax(0, 1fr);
  gap: 0 10px;
  align-items: baseline;
  border-bottom: 1px dashed var(--pc-line);
  padding-bottom: 5px;
}
.page-contact .pc-channel__row:last-child {
  border-bottom: 0;
}
.page-contact .pc-channel__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}
.page-contact .pc-channel__row dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}

/* ============ 清单面板 ============ */
.page-contact .pc-channels__panels {
  display: grid;
  gap: 22px;
  min-width: 0;
}
.page-contact .pc-panel {
  transition: border-color var(--ease), box-shadow var(--ease);
}
.page-contact .pc-panel__title {
  font-family: var(--font-display);
  font-size: 20px;
  line-height: 1.25;
  color: var(--paper-050);
  margin: 0 0 6px;
}
.page-contact .pc-panel__hint {
  font-size: 14px;
  line-height: 1.65;
  color: var(--fog-500);
  margin: 0 0 16px;
}
.page-contact .pc-panel__note {
  font-size: 14px;
}
.page-contact .pc-panel__note a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-contact .pc-field-list {
  margin: 0;
  display: grid;
}

/* ============ 字段式清单 ============ */
.page-contact .pc-field {
  display: block;
  padding: 11px 0;
  border-bottom: 1px dashed var(--pc-line);
}
.page-contact .pc-field:last-child {
  border-bottom: 0;
}
.page-contact .pc-field__label {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
  margin-bottom: 3px;
}
.page-contact .pc-field-list--aftermarket .pc-field__label {
  color: var(--orange-500);
}
.page-contact .pc-field__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}

/* 悬停通道时联动点亮对应清单 */
.page-contact .pc-channels__layout:has(.pc-channel--cyan:hover) .pc-panel--data,
.page-contact .pc-channels__layout:has(.pc-channel--cyan:focus-within) .pc-panel--data {
  border-color: var(--cyan-400);
  box-shadow: var(--shadow-hard);
}
.page-contact .pc-channels__layout:has(.pc-channel--orange:hover) .pc-panel--aftermarket,
.page-contact .pc-channels__layout:has(.pc-channel--orange:focus-within) .pc-panel--aftermarket {
  border-color: var(--orange-500);
  box-shadow: var(--shadow-hard);
}

/* ============ 合作区（纸白） ============ */
.page-contact .pc-coop__head {
  max-width: 46em;
}
.page-contact .pc-coop__grid {
  margin-top: 30px;
  display: grid;
  gap: 18px;
  grid-template-columns: 1fr;
}
.page-contact .pc-coop__item {
  background: #ffffff;
  border: 2px solid var(--ink-900);
  box-shadow: 5px 5px 0 var(--purple-500);
  padding: 20px 20px 22px;
  min-width: 0;
  transition: transform var(--ease), box-shadow var(--ease), border-color var(--ease);
}
.page-contact .pc-coop__item:hover {
  transform: translateY(-3px);
  border-color: var(--orange-500);
  box-shadow: 6px 6px 0 var(--orange-500);
}
.page-contact .pc-coop__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--paper-050);
  background: var(--ink-900);
  padding: 2px 8px;
  margin-bottom: 12px;
}
.page-contact .pc-coop__title {
  font-family: var(--font-display);
  font-size: 19px;
  line-height: 1.25;
  color: var(--ink-900);
  margin: 0 0 8px;
}
.page-contact .pc-coop__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-900);
  opacity: 0.82;
}
.page-contact .pc-coop__foot {
  margin: 26px 0 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--ink-900);
}
.page-contact .pc-coop__foot a {
  color: var(--purple-500);
  text-decoration: underline;
  text-underline-offset: 3px;
  font-weight: 600;
}

/* ============ 流程带 ============ */
.page-contact .pc-flow__head {
  max-width: 40em;
}
.page-contact .pc-flow__steps {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  grid-template-columns: 1fr;
}
.page-contact .pc-step {
  position: relative;
  background: var(--purple-700);
  border-top: 3px solid var(--orange-500);
  padding: 20px 18px 22px;
  min-width: 0;
  clip-path: polygon(0 0, calc(100% - 20px) 0, 100% 20px, 100% 100%, 0 100%);
  transition: background var(--ease);
}
.page-contact .pc-step:hover {
  background: var(--purple-500);
}
.page-contact .pc-step__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--orange-500);
  margin-bottom: 8px;
}
.page-contact .pc-step__title {
  font-family: var(--font-display);
  font-size: 18px;
  line-height: 1.2;
  color: var(--paper-050);
  margin: 0 0 8px;
}
.page-contact .pc-step p {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper-050);
  opacity: 0.85;
}
.page-contact .pc-flow__foot {
  margin: 24px 0 0;
  padding-left: 14px;
  border-left: 3px solid var(--cyan-400);
  font-size: 15px;
  line-height: 1.75;
  color: var(--fog-500);
  max-width: 46em;
}

/* ============ 回复节奏 ============ */
.page-contact .pc-desk__grid {
  display: grid;
  gap: 30px;
  align-items: center;
}
.page-contact .pc-desk__copy {
  min-width: 0;
}
.page-contact .pc-desk__list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  display: grid;
  gap: 16px;
}
.page-contact .pc-desk__list li {
  padding-left: 14px;
  border-left: 3px solid var(--purple-500);
}
.page-contact .pc-desk__key {
  display: block;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan-400);
  margin-bottom: 4px;
}
.page-contact .pc-desk__list p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--paper-050);
  opacity: 0.87;
}
.page-contact .pc-desk__media {
  position: relative;
  border: 3px solid var(--purple-500);
  box-shadow: var(--shadow-hard);
  background: var(--ink-950);
  overflow: hidden;
}
.page-contact .pc-desk__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ============ 联系方式深底 ============ */
.page-contact .pc-contact__head {
  max-width: 40em;
}
.page-contact .pc-contact__grid {
  margin: 26px 0 0;
  display: grid;
  grid-template-columns: 1fr;
  border: 2px solid var(--purple-500);
  background: var(--ink-950);
}
.page-contact .pc-contact__item {
  padding: 20px 22px;
  border-bottom: 1px solid rgba(110, 43, 255, 0.35);
  min-width: 0;
}
.page-contact .pc-contact__item:last-child {
  border-bottom: 0;
}
.page-contact .pc-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
  margin-bottom: 6px;
}
.page-contact .pc-contact__val {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--paper-050);
  overflow-wrap: anywhere;
}
.page-contact .pc-contact__note {
  margin: 24px 0 0;
  max-width: 56em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--fog-500);
}
.page-contact .pc-contact__links {
  margin: 16px 0 0;
  max-width: 56em;
  font-size: 15px;
  line-height: 1.78;
  color: var(--fog-500);
}
.page-contact .pc-contact__links a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ============ 键盘焦点 ============ */
.page-contact .pc-channel:focus-visible,
.page-contact .pc-coop__item:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

/* ============ 响应式 ============ */
@media (min-width: 560px) {
  .page-contact .pc-field {
    display: grid;
    grid-template-columns: 8.5em minmax(0, 1fr);
    gap: 0 16px;
    align-items: baseline;
  }
  .page-contact .pc-field__label {
    margin-bottom: 0;
    text-align: right;
  }
  .page-contact .pc-coop__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-flow__steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 760px) {
  .page-contact .pc-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-contact .pc-contact__item {
    border-right: 1px solid rgba(110, 43, 255, 0.35);
  }
  .page-contact .pc-contact__item:nth-child(2n) {
    border-right: 0;
  }
  .page-contact .pc-contact__item:nth-last-child(-n + 2) {
    border-bottom: 0;
  }
}

@media (min-width: 900px) {
  .page-contact .pc-hero {
    padding-top: 152px;
    padding-bottom: 78px;
  }
  .page-contact .pc-hero__grid {
    grid-template-columns: 46fr 54fr;
    gap: 48px;
  }
  .page-contact .pc-channels__layout {
    grid-template-columns: 44fr 56fr;
    gap: 52px;
  }
  .page-contact .pc-desk__grid {
    grid-template-columns: 42fr 58fr;
    gap: 48px;
  }
}

@media (min-width: 1024px) {
  .page-contact .pc-flow__steps {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
  .page-contact .pc-coop__grid {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel,
  .page-contact .pc-coop__item,
  .page-contact .pc-step,
  .page-contact .pc-panel {
    transition: none;
  }
  .page-contact .pc-channel:hover,
  .page-contact .pc-coop__item:hover {
    transform: none;
  }
}