.page-privacy {
  --pv-measure: 68ch;
  --pv-aside-w: 224px;
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: calc(var(--header-h) + 36px) 0 44px;
  background: var(--ink-950);
  color: var(--paper-100);
  overflow: hidden;
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(to right, rgba(215, 220, 225, 0.06) 1px, transparent 1px);
  background-size: 48px 100%;
  pointer-events: none;
}

.page-privacy .pv-hero > .container {
  position: relative;
}

.page-privacy .pv-hero__crumbs {
  margin-bottom: 28px;
}

.page-privacy .pv-hero__crumbs .breadcrumbs__link,
.page-privacy .pv-hero__crumbs .breadcrumbs__sep,
.page-privacy .pv-hero__crumbs .breadcrumbs__current {
  color: var(--silver-400);
}

.page-privacy .pv-hero__crumbs .breadcrumbs__link:hover {
  color: var(--paper-100);
}

.page-privacy .pv-hero__crumbs .breadcrumbs__current {
  color: var(--paper-100);
}

.page-privacy .pv-hero__layout {
  display: grid;
  gap: 32px;
  align-items: center;
}

.page-privacy .pv-hero__eyebrow {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--signal);
}

.page-privacy .pv-hero h1 {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-privacy .pv-hero__lead {
  margin: 0 0 26px;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--silver-400);
}

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

.page-privacy .pv-hero .btn--ghost {
  color: var(--paper-100);
  border-color: rgba(215, 220, 225, 0.42);
}

.page-privacy .pv-hero .btn--ghost:hover {
  border-color: var(--paper-100);
  background: rgba(246, 242, 233, 0.08);
}

.page-privacy .pv-hero__art {
  margin: 0;
  border: 1px solid rgba(215, 220, 225, 0.26);
  background: var(--ink-800);
  overflow: hidden;
}

.page-privacy .pv-hero__art img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.9;
}

/* ---------- 主体骨架 ---------- */
.page-privacy .pv-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding: 48px 0 88px;
}

.page-privacy .pv-aside {
  min-width: 0;
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: none;
}

.page-privacy .pv-toc__list li + li {
  margin-top: 2px;
}

.page-privacy .pv-toc__link {
  display: block;
  padding: 8px 12px;
  border-left: 2px solid var(--silver-200);
  font-size: 14px;
  line-height: 1.6;
  color: var(--ink-600);
  text-decoration: none;
  transition: color 0.16s ease, border-color 0.16s ease, background-color 0.16s ease;
}

.page-privacy .pv-toc__link:hover {
  color: var(--ink-950);
  border-left-color: var(--silver-400);
  background: var(--paper-200);
}

.page-privacy .pv-toc__link.is-active,
.page-privacy .pv-toc__link[aria-current="true"] {
  color: var(--signal-ink);
  border-left-color: var(--signal);
  background: var(--paper-200);
}

.page-privacy .pv-toc__num {
  display: inline-block;
  margin-right: 8px;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--silver-400);
}

.page-privacy .pv-toc__link.is-active .pv-toc__num,
.page-privacy .pv-toc__link[aria-current="true"] .pv-toc__num {
  color: var(--signal);
}

/* ---------- 正文 ---------- */
.page-privacy .pv-body {
  position: relative;
  min-width: 0;
  max-width: var(--pv-measure);
}

.page-privacy .pv-body p {
  margin: 0;
  font-size: 16px;
  line-height: 1.9;
  color: var(--ink-600);
}

.page-privacy .pv-body > * + * {
  margin-top: 20px;
}

.page-privacy .pv-body a {
  color: var(--signal-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pv-body a:hover {
  color: var(--ink-950);
}

.page-privacy .pv-section {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding-top: 34px;
  border-top: var(--line);
  margin-top: 42px;
}

.page-privacy .pv-section:first-child {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pv-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .pv-section__index {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--signal-ink);
}

.page-privacy .pv-section h2 {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--ink-950);
}

/* ---------- 表格 ---------- */
.page-privacy .data-table {
  width: 100%;
  min-width: 460px;
  border-collapse: collapse;
  font-size: 14px;
}

.page-privacy .data-table th,
.page-privacy .data-table td {
  padding: 12px 14px;
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
}

.page-privacy .data-table th {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--ink-950);
  white-space: nowrap;
}

.page-privacy .data-table td {
  color: var(--ink-600);
}

.page-privacy .data-table td:first-child {
  color: var(--ink-950);
}

/* ---------- 三类用途 ---------- */
.page-privacy .pv-uses {
  display: grid;
  gap: 0;
  border-top: var(--line);
}

.page-privacy .pv-use {
  padding: 18px 0;
  border-bottom: var(--line);
}

.page-privacy .pv-use__key {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--signal);
}

.page-privacy .pv-use__title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.35;
  color: var(--ink-950);
}

.page-privacy .pv-use__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-600);
}

/* ---------- 保护措施清单 ---------- */
.page-privacy .pv-checks {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-checks li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-privacy .pv-checks li + li {
  margin-top: 12px;
}

.page-privacy .pv-checks li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 10px;
  height: 2px;
  background: var(--signal);
}

/* ---------- 用户权利 ---------- */
.page-privacy .pv-rights {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--line);
}

.page-privacy .pv-rights__item {
  display: grid;
  gap: 4px;
  padding: 16px 0;
  border-bottom: var(--line);
}

.page-privacy .pv-rights__key {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink-950);
}

.page-privacy .pv-rights__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-600);
}

/* ---------- 折叠块 ---------- */
.page-privacy .pv-body details {
  border-top: var(--line);
  border-bottom: var(--line);
  padding: 2px 0;
}

.page-privacy .pv-body summary {
  cursor: pointer;
  list-style: none;
  padding: 14px 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  line-height: 1.4;
  color: var(--ink-950);
}

.page-privacy .pv-body summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-body summary::before {
  content: "+";
  display: inline-block;
  width: 18px;
  font-family: var(--font-num);
  font-weight: 400;
  color: var(--signal);
}

.page-privacy .pv-body details[open] summary::before {
  content: "–";
}

.page-privacy .pv-body summary:focus-visible {
  outline: 2px solid var(--focus);
  outline-offset: 2px;
}

.page-privacy .pv-body .fold__body {
  padding: 0 0 18px 18px;
}

/* ---------- 结尾提示条 ---------- */
.page-privacy .pv-cta {
  margin-top: 58px;
  padding: 28px 22px;
  background: var(--paper-200);
  border-left: 3px solid var(--signal);
}

.page-privacy .pv-cta__eyebrow {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--signal-ink);
}

.page-privacy .pv-cta__title {
  margin: 0 0 12px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 21px;
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--ink-950);
}

.page-privacy .pv-cta__text {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--ink-600);
}

.page-privacy .pv-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 桌面端栅格与页边刻度 ---------- */
@media (min-width: 720px) {
  .page-privacy .pv-section h2 {
    font-size: 25px;
  }

  .page-privacy .pv-uses {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 26px;
    border-top: 0;
  }

  .page-privacy .pv-use {
    padding: 18px 0 0;
    border-bottom: 0;
    border-top: var(--line);
  }

  .page-privacy .pv-rights__item {
    grid-template-columns: 88px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-privacy .pv-cta {
    padding: 34px 32px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero {
    padding: calc(var(--header-h) + 56px) 0 64px;
  }

  .page-privacy .pv-hero__layout {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 1fr);
    gap: 56px;
  }

  .page-privacy .pv-shell {
    grid-template-columns: var(--pv-aside-w) minmax(0, 1fr);
    gap: 64px;
    padding: 72px 0 120px;
  }

  .page-privacy .pv-aside {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
    max-height: calc(100vh - var(--header-h) - 56px);
    overflow-y: auto;
  }
}

@media (min-width: 1100px) {
  .page-privacy .pv-shell {
    gap: 84px;
  }

  .page-privacy .pv-body::before {
    content: "";
    position: absolute;
    left: -30px;
    top: 8px;
    bottom: 8px;
    width: 1px;
    background-image: repeating-linear-gradient(
      to bottom,
      var(--silver-400) 0 1px,
      transparent 1px 26px
    );
    opacity: 0.55;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link {
    transition: none;
  }
}