.page-privacy {
  --pc-ink: #2b3336;
  --pc-rail-w: 244px;
  background: var(--paper);
  color: var(--char);
}

.page-privacy .pc-top {
  background: var(--paper);
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pc-top__inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 8px 20px;
  padding: 14px 0;
}

.page-privacy .pc-top__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 首屏 ---------- */

.page-privacy .pc-hero {
  position: relative;
  overflow: hidden;
  padding: 56px 0 0;
  background: var(--ink-900);
  color: var(--paper);
}

.page-privacy .pc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(91, 242, 206, .16) 1px, transparent 1px);
  background-size: 22px 22px;
  opacity: .55;
  pointer-events: none;
}

.page-privacy .pc-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-privacy .pc-hero .kicker {
  color: rgba(241, 240, 234, .58);
}

.page-privacy .pc-hero__title {
  max-width: 20ch;
  margin: 16px 0 0;
  font-size: clamp(34px, 7.2vw, 74px);
  font-weight: 250;
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .pc-hero__lead {
  max-width: 62ch;
  margin: 26px 0 0;
  font-size: 17px;
  line-height: 1.95;
  color: rgba(241, 240, 234, .76);
}

.page-privacy .pc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 44px;
  margin: 34px 0 0;
  padding: 20px 0 0;
  list-style: none;
  border-top: 1px solid rgba(241, 240, 234, .16);
}

.page-privacy .pc-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 7px;
}

.page-privacy .pc-key {
  font-size: 11px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: rgba(241, 240, 234, .48);
}

.page-privacy .pc-val {
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 600;
  color: var(--cyan);
}

.page-privacy .pc-hero__banner {
  margin-top: 48px;
  border-top: 1px solid rgba(241, 240, 234, .16);
  background: var(--ink-700);
}

.page-privacy .pc-hero__banner img {
  display: block;
  width: 100%;
  max-width: var(--shell);
  height: auto;
  margin: 0 auto;
  filter: saturate(.72) contrast(1.02);
}

/* ---------- 正文布局 ---------- */

.page-privacy .pc-doc {
  padding: 48px 0 72px;
  background: var(--paper);
}

.page-privacy .pc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
}

.page-privacy .pc-rail .label {
  display: block;
  margin: 0 0 10px;
  color: var(--muted);
}

.page-privacy .pc-rail__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  overflow-x: auto;
  list-style: none;
  scrollbar-width: thin;
}

.page-privacy .pc-rail__list li {
  flex: 0 0 auto;
}

.page-privacy .pc-rail__list a {
  display: block;
  padding: 8px 12px;
  font-size: 13px;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  background: var(--card);
  border: 1px solid var(--hair);
  border-radius: 2px;
  transition: color var(--dur-fast) var(--ease), border-color var(--dur-fast) var(--ease);
}

.page-privacy .pc-rail__list a:hover,
.page-privacy .pc-rail__list a:focus-visible {
  color: var(--ink-900);
  border-color: var(--ink-500);
}

.page-privacy .pc-rail__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--hair);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .pc-rail__note a {
  color: var(--ink-500);
  text-underline-offset: 3px;
}

/* ---------- 章节 ---------- */

.page-privacy .pc-sec {
  padding: 40px 0 0;
  scroll-margin-top: 130px;
}

.page-privacy .pc-sec + .pc-sec {
  margin-top: 40px;
  border-top: 1px solid var(--hair);
}

.page-privacy .pc-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
}

.page-privacy .pc-sec__no {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .06em;
  color: var(--amber);
}

.page-privacy .pc-sec__label {
  font-size: 11px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pc-sec__title {
  margin: 12px 0 0;
  font-size: clamp(21px, 3.1vw, 29px);
  font-weight: 600;
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--char);
}

.page-privacy .pc-sec__body {
  max-width: 68ch;
  margin-top: 18px;
}

.page-privacy .pc-sec__body p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.95;
  color: var(--pc-ink);
}

.page-privacy .pc-sec__body p:last-child {
  margin-bottom: 0;
}

.page-privacy .pc-sec__body a {
  color: var(--ink-500);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .pc-sub {
  margin: 28px 0 10px !important;
  font-size: 14px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--char) !important;
}

/* ---------- 列表与提示块 ---------- */

.page-privacy .pc-list {
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .pc-list li {
  position: relative;
  padding: 11px 0 11px 22px;
  border-bottom: 1px solid rgba(201, 204, 195, .55);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pc-ink);
}

.page-privacy .pc-list li:first-child {
  border-top: 1px solid rgba(201, 204, 195, .55);
}

.page-privacy .pc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 21px;
  width: 11px;
  height: 1px;
  background: var(--ink-500);
}

.page-privacy .pc-list b {
  font-weight: 600;
  color: var(--char);
}

.page-privacy .pc-callout {
  margin: 0 0 18px;
  padding: 18px 20px;
  background: var(--card);
  border-left: 2px solid var(--cyan);
}

.page-privacy .pc-callout p {
  margin: 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--pc-ink);
}

/* ---------- 表格 ---------- */

.page-privacy .pc-table-wrap {
  margin: 0 0 18px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pc-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14.5px;
}

.page-privacy .pc-table th {
  padding: 0 14px 10px 0;
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  text-align: left;
  color: var(--muted);
  border-bottom: 1px solid var(--ink-500);
}

.page-privacy .pc-table td {
  padding: 15px 14px 15px 0;
  vertical-align: top;
  line-height: 1.8;
  color: var(--pc-ink);
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pc-table td:first-child {
  font-weight: 600;
  color: var(--char);
}

.page-privacy .pc-table .pc-num {
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--char);
  white-space: nowrap;
}

/* ---------- 折叠记录 ---------- */

.page-privacy .pc-fold {
  margin: 24px 0 0;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pc-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 2px;
  font-size: 14px;
  letter-spacing: .05em;
  color: var(--ink-500);
  cursor: pointer;
  list-style: none;
}

.page-privacy .pc-fold summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pc-fold summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 14px;
  color: var(--ink-500);
}

.page-privacy .pc-fold[open] summary::after {
  content: "－";
}

.page-privacy .pc-fold__body {
  padding: 0 0 14px;
}

.page-privacy .pc-fold__body ul {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pc-fold__body li {
  padding: 12px 0;
  border-top: 1px solid var(--hair);
  font-size: 15px;
  line-height: 1.85;
  color: var(--pc-ink);
}

.page-privacy .pc-fold__body span {
  margin-right: 10px;
  font-family: var(--font-mono);
  font-weight: 600;
  color: var(--char);
}

.page-privacy .pc-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 桌面端 ---------- */

@media (min-width: 960px) {
  .page-privacy .pc-hero {
    padding-top: 68px;
  }

  .page-privacy .pc-layout {
    grid-template-columns: var(--pc-rail-w) minmax(0, 1fr);
    gap: 72px;
    align-items: start;
  }

  .page-privacy .pc-rail {
    position: sticky;
    top: 122px;
  }

  .page-privacy .pc-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 0;
    border-top: 1px solid var(--hair);
  }

  .page-privacy .pc-rail__list li {
    flex: none;
  }

  .page-privacy .pc-rail__list a {
    padding: 10px 0 10px 14px;
    font-size: 13.5px;
    white-space: normal;
    background: none;
    border: none;
    border-left: 1px solid var(--hair);
    border-radius: 0;
  }

  .page-privacy .pc-rail__list a:hover,
  .page-privacy .pc-rail__list a:focus-visible {
    color: var(--ink-900);
    border-left-color: var(--cyan);
  }

  .page-privacy .pc-sec {
    padding-top: 48px;
  }

  .page-privacy .pc-sec + .pc-sec {
    margin-top: 48px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pc-rail__list a {
    transition: none;
  }
}