.page-privacy {
  --pv-gutter: clamp(20px, 4vw, 56px);
  --pv-text-w: 60ch;
  background: var(--c-ink);
  color: var(--c-silver);
}

/* ---------- 页首横幅 ---------- */
.page-privacy .pv-masthead {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  min-height: clamp(300px, 42vh, 430px);
  display: flex;
  align-items: flex-end;
  background: linear-gradient(150deg, var(--c-night) 0%, var(--c-ink) 72%);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-masthead__media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 38%;
  opacity: .32;
  z-index: 0;
}

.page-privacy .pv-masthead::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    linear-gradient(96deg, rgba(6, 42, 46, .94) 0%, rgba(6, 42, 46, .62) 56%, rgba(6, 42, 46, .24) 100%),
    linear-gradient(0deg, rgba(6, 42, 46, .85) 0%, rgba(6, 42, 46, 0) 58%);
}

.page-privacy .pv-masthead__inner {
  position: relative;
  z-index: 2;
  padding-top: clamp(112px, 16vh, 168px);
  padding-bottom: clamp(34px, 5vw, 58px);
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.page-privacy .pv-masthead .breadcrumbs {
  margin-bottom: 6px;
}

.page-privacy .pv-masthead__meta {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-mist);
  margin: 0;
  max-width: 52ch;
  line-height: 1.7;
}

/* ---------- 主体布局 ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(36px, 6vw, 56px);
  padding: clamp(44px, 7vw, 88px) 0 clamp(72px, 10vw, 130px);
}

/* ---------- 条款目录 ---------- */
.page-privacy .pv-toc {
  border-left: 1px solid var(--line);
  padding-left: 18px;
}

.page-privacy .pv-toc__title {
  font-size: 11px;
  letter-spacing: .22em;
  text-transform: uppercase;
  color: var(--c-mist);
  margin: 0 0 16px;
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
  counter-reset: none;
}

.page-privacy .pv-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px 8px 12px;
  border-left: 2px solid transparent;
  color: var(--c-mist);
  font-size: 14px;
  line-height: 1.55;
  text-decoration: none;
  transition: color .16s var(--ease), border-color .16s var(--ease), background-color .16s var(--ease);
}

.page-privacy .pv-toc__n {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--c-steel);
  flex: 0 0 auto;
  padding-top: 2px;
  transition: color .16s var(--ease);
}

.page-privacy .pv-toc__list a:hover,
.page-privacy .pv-toc__list a:focus-visible {
  color: var(--c-white);
  border-left-color: var(--c-signal);
  background: var(--tint-signal);
}

.page-privacy .pv-toc__list a:hover .pv-toc__n,
.page-privacy .pv-toc__list a:focus-visible .pv-toc__n {
  color: var(--c-signal);
}

.page-privacy .pv-toc__note {
  margin: 18px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-mist);
  opacity: .8;
}

/* 当前条款高亮（支持 :has 的浏览器生效） */
.page-privacy .pv-layout:has(#pv-01:target) .pv-toc__list a[href="#pv-01"],
.page-privacy .pv-layout:has(#pv-02:target) .pv-toc__list a[href="#pv-02"],
.page-privacy .pv-layout:has(#pv-03:target) .pv-toc__list a[href="#pv-03"],
.page-privacy .pv-layout:has(#pv-04:target) .pv-toc__list a[href="#pv-04"],
.page-privacy .pv-layout:has(#pv-05:target) .pv-toc__list a[href="#pv-05"],
.page-privacy .pv-layout:has(#pv-06:target) .pv-toc__list a[href="#pv-06"],
.page-privacy .pv-layout:has(#pv-07:target) .pv-toc__list a[href="#pv-07"],
.page-privacy .pv-layout:has(#pv-08:target) .pv-toc__list a[href="#pv-08"] {
  color: var(--c-white);
  border-left-color: var(--c-signal);
  background: var(--tint-signal);
}

.page-privacy .pv-layout:has(#pv-01:target) .pv-toc__list a[href="#pv-01"] .pv-toc__n,
.page-privacy .pv-layout:has(#pv-02:target) .pv-toc__list a[href="#pv-02"] .pv-toc__n,
.page-privacy .pv-layout:has(#pv-03:target) .pv-toc__list a[href="#pv-03"] .pv-toc__n,
.page-privacy .pv-layout:has(#pv-04:target) .pv-toc__list a[href="#pv-04"] .pv-toc__n,
.page-privacy .pv-layout:has(#pv-05:target) .pv-toc__list a[href="#pv-05"] .pv-toc__n,
.page-privacy .pv-layout:has(#pv-06:target) .pv-toc__list a[href="#pv-06"] .pv-toc__n,
.page-privacy .pv-layout:has(#pv-07:target) .pv-toc__list a[href="#pv-07"] .pv-toc__n,
.page-privacy .pv-layout:has(#pv-08:target) .pv-toc__list a[href="#pv-08"] .pv-toc__n {
  color: var(--c-signal);
}

/* ---------- 条文正文 ---------- */
.page-privacy .pv-body {
  min-width: 0;
}

.page-privacy .pv-clause {
  padding: clamp(30px, 4.4vw, 48px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

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

.page-privacy .pv-clause__num {
  font-size: clamp(18px, 2.2vw, 24px);
  line-height: 1;
  letter-spacing: .04em;
  color: var(--c-steel);
  flex: 0 0 auto;
  transition: color .18s var(--ease);
}

.page-privacy .pv-clause:target .pv-clause__num {
  color: var(--c-signal);
}

.page-privacy .pv-clause__title {
  margin: 0;
  font-size: clamp(19px, 2.5vw, 27px);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--c-white);
}

.page-privacy .pv-lead {
  max-width: var(--pv-text-w);
  margin: 0 0 20px;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-privacy .pv-text {
  max-width: var(--pv-text-w);
  margin: 20px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-mist);
}

.page-privacy .pv-text a {
  color: var(--c-silver);
  text-decoration: none;
  border-bottom: 1px solid var(--line-strong);
  padding-bottom: 1px;
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-privacy .pv-text a:hover,
.page-privacy .pv-text a:focus-visible {
  color: var(--c-signal);
  border-bottom-color: var(--c-signal);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: var(--pv-text-w);
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-silver);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 10px;
  height: 2px;
  background: var(--c-steel);
}

.page-privacy .pv-list strong {
  color: var(--c-white);
  font-weight: 700;
  margin-right: 2px;
}

.page-privacy .pv-list .mono {
  font-family: var(--font-mono);
  color: var(--c-white);
  letter-spacing: .02em;
}

/* ---------- 折叠补充 ---------- */
.page-privacy .pv-fold {
  max-width: var(--pv-text-w);
  margin-top: 22px;
  padding: 2px 0 2px 18px;
  border-left: 2px solid var(--c-steel);
  transition: border-color .16s var(--ease);
}

.page-privacy .pv-fold:hover,
.page-privacy .pv-fold:focus-within {
  border-left-color: var(--c-signal);
}

.page-privacy .pv-fold summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--c-signal);
  padding: 6px 0;
  transition: color .16s var(--ease);
}

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

.page-privacy .pv-fold summary::after {
  content: " +";
}

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

.page-privacy .pv-fold summary:hover,
.page-privacy .pv-fold summary:focus-visible {
  color: var(--c-gold);
}

.page-privacy .pv-fold p {
  margin: 8px 0 6px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-mist);
}

/* ---------- 收束条款 ---------- */
.page-privacy .pv-clause--contact {
  margin-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
  padding: clamp(28px, 4vw, 44px) clamp(22px, 3.5vw, 42px);
  background: linear-gradient(140deg, var(--c-night) 0%, var(--c-steel) 130%);
  clip-path: var(--clip-cut-alt);
}

.page-privacy .pv-clause--contact .pv-clause__num {
  color: var(--c-signal);
}

.page-privacy .pv-clause--contact .pv-list li::before {
  background: var(--c-signal);
}

/* ---------- 回到顶部赛道条 ---------- */
.page-privacy .pv-top {
  position: fixed;
  right: 12px;
  top: 34%;
  z-index: 20;
  writing-mode: vertical-rl;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 16px 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--c-mist);
  text-decoration: none;
  border-right: 1px solid var(--line-strong);
  transition: color .16s var(--ease), border-color .16s var(--ease);
}

.page-privacy .pv-top::before {
  content: "";
  width: 2px;
  height: 26px;
  background: var(--c-steel);
  transition: background-color .16s var(--ease);
}

.page-privacy .pv-top:hover,
.page-privacy .pv-top:focus-visible {
  color: var(--c-signal);
  border-right-color: var(--c-signal);
}

.page-privacy .pv-top:hover::before,
.page-privacy .pv-top:focus-visible::before {
  background: var(--c-signal);
}

/* ---------- 大屏：目录吸附左栏 ---------- */
@media (min-width: 900px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(196px, 248px) minmax(0, 1fr);
    gap: clamp(48px, 6vw, 92px);
  }

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

/* ---------- 窄屏适配 ---------- */
@media (max-width: 899px) {
  .page-privacy .pv-masthead {
    min-height: clamp(260px, 52vh, 360px);
  }

  .page-privacy .pv-masthead__media {
    object-position: center 30%;
  }

  .page-privacy .pv-toc {
    border-left: 0;
    border-top: 1px solid var(--line);
    border-bottom: 1px solid var(--line);
    padding: 20px 0 16px;
  }

  .page-privacy .pv-toc__list {
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 0 14px;
  }

  .page-privacy .pv-toc__note {
    display: none;
  }

  .page-privacy .pv-top {
    display: none;
  }
}

@media (max-width: 560px) {
  .page-privacy .pv-toc__list {
    grid-template-columns: 1fr;
  }

  .page-privacy .pv-clause__head {
    gap: 10px;
  }

  .page-privacy .pv-list li,
  .page-privacy .pv-lead {
    font-size: 15.5px;
  }
}