.page-privacy {
  --pv-doc-width: 720px;
  --pv-rail: 200px;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  padding-top: 28px;
  padding-bottom: 8px;
}

.page-privacy .pv-hero__title {
  margin: 14px 0 18px;
  max-width: 20em;
  letter-spacing: -0.02em;
}

.page-privacy .pv-hero__lede {
  max-width: 46em;
  color: var(--muted-450);
  font-size: 16px;
  line-height: 1.85;
}

.page-privacy .pv-meta-strip {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 1px;
  margin: 34px 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-500);
  border: 1px solid var(--line-500);
}

.page-privacy .pv-meta-strip__item {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--ink-850);
  min-width: 0;
}

.page-privacy .pv-meta-strip__k {
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--muted-450);
}

.page-privacy .pv-meta-strip__v {
  font-size: 14px;
  line-height: 1.5;
  color: var(--paper-050);
  word-break: break-word;
}

/* ---------- 横幅图 ---------- */
.page-privacy .pv-banner {
  margin-top: 40px;
  margin-bottom: 0;
}

.page-privacy .pv-banner .figure__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .pv-banner .figure__cap {
  margin-top: 10px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted-450);
}

/* ---------- 主体两栏 ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  align-items: start;
  padding-top: 56px;
  padding-bottom: 72px;
}

/* ---------- 章节索引 ---------- */
.page-privacy .pv-toc {
  min-width: 0;
  border-top: 1px solid var(--line-500);
  padding-top: 16px;
}

.page-privacy .pv-toc__title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.3em;
  color: var(--cyan-200);
}

.page-privacy .pv-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .pv-toc__item {
  flex: none;
}

.page-privacy .pv-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line-500);
  color: var(--muted-450);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--paper-050);
  border-color: var(--cyan-400);
}

.page-privacy .pv-toc__num {
  font-size: 11px;
  color: var(--cyan-400);
}

/* ---------- 文档栏 ---------- */
.page-privacy .pv-doc {
  min-width: 0;
  width: 100%;
  max-width: var(--pv-doc-width);
}

.page-privacy .pv-sec {
  scroll-margin-top: 96px;
  padding: 40px 0;
  border-top: 1px solid var(--line-500);
}

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

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .pv-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
  border: 1px solid var(--line-500);
  padding: 3px 7px;
  line-height: 1.2;
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.4vw, 25px);
  font-weight: 900;
  line-height: 1.4;
  color: var(--paper-050);
}

.page-privacy .pv-sec__body > p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper-050);
}

.page-privacy .pv-sec__body > p.muted,
.page-privacy .pv-sec__body > p.note {
  color: var(--muted-450);
  font-size: 14px;
  line-height: 1.8;
}

/* ---------- 条目列表 ---------- */
.page-privacy .pv-list {
  display: grid;
  gap: 12px;
  margin: 0 0 20px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list__item {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted-450);
}

.page-privacy .pv-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 9px;
  height: 1px;
  background: var(--cyan-400);
}

.page-privacy .pv-list__item strong {
  color: var(--paper-050);
  font-weight: 700;
}

/* ---------- 三类信息 ---------- */
.page-privacy .pv-cats {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 4px 0 20px;
  background: var(--line-500);
  border: 1px solid var(--line-500);
}

.page-privacy .pv-cat {
  padding: 22px 20px 24px;
  background: var(--ink-850);
  min-width: 0;
  transition: background 0.16s var(--ease);
}

.page-privacy .pv-cat:hover {
  background: var(--ink-750);
}

.page-privacy .pv-cat__label {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.28em;
  color: var(--orange-500);
}

.page-privacy .pv-cat__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-050);
}

.page-privacy .pv-cat__desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--muted-450);
}

/* ---------- 三步用途 ---------- */
.page-privacy .pv-steps {
  display: grid;
  gap: 22px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-step {
  display: grid;
  grid-template-columns: 34px minmax(0, 1fr);
  gap: 14px;
  padding-top: 20px;
  border-top: 1px solid var(--line-500);
}

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

.page-privacy .pv-step__no {
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
  padding-top: 3px;
}

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

.page-privacy .pv-step__main h3 {
  margin: 0 0 8px;
  font-family: var(--font-display);
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper-050);
}

.page-privacy .pv-step__main p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted-450);
}

/* ---------- 保留期限条款框 ---------- */
.page-privacy .pv-clause {
  position: relative;
  margin: 0 0 22px;
  padding: 22px 24px;
  background: var(--ink-850);
  border: 1px solid var(--line-500);
  border-left: 2px solid var(--cyan-400);
}

.page-privacy .pv-clause::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, var(--grid-overlay), transparent 70%);
}

.page-privacy .pv-clause__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.24em;
  color: var(--cyan-400);
}

.page-privacy .pv-clause__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--paper-050);
}

/* ---------- 折叠补充 ---------- */
.page-privacy .pv-details {
  margin-top: 8px;
  border-top: 1px solid var(--line-500);
}

.page-privacy .pv-details:last-of-type {
  border-bottom: 1px solid var(--line-500);
}

.page-privacy .pv-details .details__summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 15px 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-050);
  cursor: pointer;
  list-style: none;
  transition: color 0.16s var(--ease);
}

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

.page-privacy .pv-details .details__summary::before {
  content: "+";
  flex: none;
  width: 14px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--orange-500);
}

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

.page-privacy .pv-details .details__summary:hover {
  color: var(--cyan-200);
}

.page-privacy .pv-details .details__body {
  padding: 0 0 18px 24px;
}

.page-privacy .pv-details .details__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted-450);
}

/* ---------- 联系方式 ---------- */
.page-privacy .pv-contact {
  margin: 4px 0 20px;
  border: 1px solid var(--line-500);
  background: var(--ink-850);
}

.page-privacy .pv-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 15px 20px;
  border-bottom: 1px solid var(--line-500);
}

.page-privacy .pv-contact__row:last-child {
  border-bottom: 0;
}

.page-privacy .pv-contact__k {
  flex: none;
  min-width: 76px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--muted-450);
}

.page-privacy .pv-contact__v {
  font-size: 15px;
  line-height: 1.6;
  color: var(--paper-050);
  word-break: break-word;
  min-width: 0;
}

/* ---------- 底部跳转 ---------- */
.page-privacy .pv-footlinks {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--line-500);
}

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

  .page-privacy .pv-cats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1024px) {
  .page-privacy .pv-hero {
    padding-top: 40px;
  }

  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    gap: 80px;
    padding-top: 72px;
    padding-bottom: 104px;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 120px;
  }

  .page-privacy .pv-toc__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pv-toc__item {
    flex: initial;
  }

  .page-privacy .pv-toc__link {
    display: flex;
    border: 0;
    border-left: 1px solid var(--line-500);
    padding: 9px 0 9px 14px;
    white-space: normal;
  }

  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    border-left-color: var(--cyan-400);
    color: var(--paper-050);
  }

  .page-privacy .pv-sec {
    padding: 52px 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy * {
    transition-duration: 0.01ms !important;
    animation-duration: 0.01ms !important;
  }
}