/* ===== 合作与纠错页 / page-contact ===== */

.page-contact {
  background: var(--bg);
  color: var(--mist);
}

.page-contact .pc-block {
  padding: 46px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-block:last-of-type {
  border-bottom: 0;
  padding-bottom: 64px;
}

/* ---------- 首屏 ---------- */

.page-contact .pc-hero {
  display: grid;
  gap: 26px;
  padding-top: 34px;
  padding-bottom: 42px;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-hero-copy {
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-width: 0;
}

.page-contact .pc-hero-copy .breadcrumbs {
  margin: 0;
  font-size: 12px;
  color: var(--gray);
}

.page-contact .pc-hero-copy .breadcrumbs a {
  color: var(--mint);
  text-decoration: none;
}

.page-contact .pc-hero-copy .breadcrumbs a:hover {
  text-decoration: underline;
}

.page-contact .pc-title {
  margin: 0;
  color: var(--mist);
  letter-spacing: -0.01em;
}

.page-contact .pc-hero-copy .lede {
  margin: 0;
  max-width: 48ch;
  color: var(--gray);
}

.page-contact .pc-hero-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 2px;
}

.page-contact .pc-hero-visual {
  position: relative;
  margin: 0;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--bg-2);
}

.page-contact .pc-hero-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 14 / 9;
  object-fit: cover;
  filter: saturate(0.7) contrast(1.05) brightness(0.85);
}

.page-contact .pc-hero-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(205deg, rgba(200, 255, 61, 0.09), rgba(10, 16, 32, 0.6) 72%);
  pointer-events: none;
}

/* ---------- 区块标题 ---------- */

.page-contact .pc-head {
  max-width: 780px;
  margin-bottom: 28px;
}

.page-contact .pc-head > * {
  margin: 0;
}

.page-contact .pc-head > * + * {
  margin-top: 10px;
}

.page-contact .pc-head .section-title {
  color: var(--mist);
}

.page-contact .pc-head .section-note {
  color: var(--gray);
  font-size: 13.5px;
  line-height: 1.75;
}

/* ---------- 联系渠道 ---------- */

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

.page-contact .pc-channel {
  display: flex;
  flex-wrap: wrap;
  align-items: flex-start;
  gap: 10px 16px;
  padding: 20px 0;
  border-bottom: 1px solid var(--line);
  transition: background var(--dur) var(--ease);
}

.page-contact .pc-channel:hover {
  background: rgba(31, 107, 69, 0.08);
}

.page-contact .pc-ch-index {
  flex: 0 0 auto;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--lime);
  padding-top: 3px;
}

.page-contact .pc-ch-body {
  flex: 1 1 220px;
  min-width: 0;
  display: grid;
  gap: 6px;
}

.page-contact .pc-ch-label {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--gray);
}

.page-contact .pc-ch-value {
  font-size: clamp(15px, 3.6vw, 19px);
  line-height: 1.4;
  color: var(--mist);
  overflow-wrap: anywhere;
}

.page-contact .pc-ch-note {
  margin: 0;
  max-width: 56ch;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray);
}

.page-contact .pc-copy {
  flex: 0 0 auto;
  margin-left: auto;
  padding: 8px 14px;
  font-size: 12px;
  white-space: nowrap;
  align-self: center;
}

/* ---------- 纠错提交 ---------- */

.page-contact .pc-submit {
  display: grid;
  gap: 24px;
}

.page-contact .pc-submit-rail {
  border-left: 2px solid var(--turf);
  padding-left: 16px;
}

.page-contact .pc-rail-mark {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mint);
}

.page-contact .pc-submit-rail p {
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: var(--gray);
}

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

.page-contact .pc-field {
  display: grid;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-field-key {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--lime);
}

.page-contact .pc-field-text {
  font-size: 14px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 受理范围 ---------- */

.page-contact .pc-coop {
  display: grid;
  gap: 0;
}

.page-contact .pc-coop-item {
  padding: 22px 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-coop-item:last-child {
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-coop-num {
  display: block;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.page-contact .pc-coop-title {
  margin: 8px 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .pc-coop-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .pc-boundary {
  margin-top: 26px;
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border-left: 2px solid var(--flare);
  background: linear-gradient(90deg, rgba(255, 90, 54, 0.1), rgba(255, 90, 54, 0));
}

.page-contact .pc-boundary strong {
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: 0.12em;
  color: var(--flare);
}

.page-contact .pc-boundary p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ---------- 响应流程 ---------- */

.page-contact .pc-flow {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 24px;
}

.page-contact .pc-step {
  position: relative;
  padding-top: 26px;
  border-top: 1px solid var(--line);
}

.page-contact .pc-step::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--turf);
}

.page-contact .pc-step:last-child::before {
  background: var(--lime);
  box-shadow: 0 0 0 4px rgba(200, 255, 61, 0.14);
}

.page-contact .pc-step-num {
  display: block;
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--mint);
}

.page-contact .pc-step-title {
  margin: 8px 0 8px;
  font-size: 18px;
  font-weight: 700;
  color: var(--mist);
}

.page-contact .pc-step-text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--gray);
}

.page-contact .pc-flow-visual {
  margin: 32px 0 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .pc-flow-visual img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(0.7) brightness(0.84);
}

.page-contact .pc-flow-visual figcaption {
  padding: 12px 16px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.65;
  color: var(--gray);
}

/* ---------- 地址与备案 ---------- */

.page-contact .pc-legal {
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-contact .pc-legal-row {
  display: grid;
  gap: 6px;
  padding: 18px 20px;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-legal-row:last-child {
  border-bottom: 0;
}

.page-contact .pc-legal-key {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--gray);
}

.page-contact .pc-legal-value {
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--mist);
  overflow-wrap: anywhere;
}

/* ---------- 渠道使用边界 ---------- */

.page-contact .pc-usage {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-contact .pc-usage li {
  display: grid;
  gap: 5px;
  padding: 16px 0;
  border-bottom: 1px solid var(--line);
}

.page-contact .pc-usage-key {
  font-size: 13px;
  font-weight: 600;
  color: var(--mint);
}

.page-contact .pc-usage-text {
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--mist);
}

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

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-contact .pc-block {
    padding: 56px 0;
  }

  .page-contact .pc-field {
    grid-template-columns: 152px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-contact .pc-legal-row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }

  .page-contact .pc-usage li {
    grid-template-columns: 190px minmax(0, 1fr);
    gap: 24px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-contact .pc-hero {
    grid-template-columns: minmax(0, 5fr) minmax(0, 7fr);
    gap: 56px;
    align-items: end;
    padding-top: 62px;
    padding-bottom: 70px;
  }

  .page-contact .pc-submit {
    grid-template-columns: minmax(0, 3fr) minmax(0, 9fr);
    gap: 44px;
    align-items: start;
  }

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

  .page-contact .pc-coop-item {
    padding: 26px 26px 30px;
    border-bottom: 1px solid var(--line);
    border-right: 1px solid var(--line);
  }

  .page-contact .pc-coop-item:first-child {
    border-left: 1px solid var(--line);
  }

  .page-contact .pc-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: 26px;
  }

  .page-contact .pc-block {
    padding: 64px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-contact .pc-channel {
    transition: none;
  }
}