.page-privacy {
  --pp-measure: 66ch;
  --pp-rail: 210px;
  --pp-pad: clamp(1.1rem, 4vw, 1.75rem);
  color: var(--ink);
  font-family: var(--font-sans);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: 1rem 0 2.6rem;
  color: var(--paper);
  overflow: hidden;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  background:
    radial-gradient(92% 120% at 4% 0%, rgba(0, 196, 140, .22), transparent 58%),
    linear-gradient(168deg, var(--ink) 0%, var(--ink-2) 60%, var(--ink-3) 100%);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: -90px;
  bottom: -120px;
  width: 340px;
  height: 340px;
  border-radius: 50%;
  pointer-events: none;
  background: radial-gradient(circle, rgba(255, 176, 32, .24), transparent 68%);
}

.page-privacy .privacy-hero .container {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 .9rem;
  color: rgba(233, 238, 245, .82);
}

.page-privacy .privacy-hero .display-title {
  margin: 0 0 1rem;
  max-width: 15ch;
  color: var(--paper);
  font-family: var(--font-serif);
  font-size: clamp(1.95rem, 6.2vw, 3.3rem);
  font-weight: 700;
  line-height: 1.12;
}

.page-privacy .privacy-hero .lede {
  max-width: 56ch;
  margin: 0;
  color: rgba(233, 238, 245, .88);
  font-size: clamp(.98rem, 2.6vw, 1.06rem);
  line-height: 1.85;
}

.page-privacy .privacy-version-bar {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem .6rem;
  margin-top: 1.7rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
}

.page-privacy .privacy-version-bar span {
  padding: .4rem .8rem;
  border-radius: var(--pill);
  border: 1px solid rgba(233, 238, 245, .3);
  background: rgba(11, 31, 58, .4);
  color: rgba(233, 238, 245, .9);
}

.page-privacy .privacy-version-bar span:first-child {
  background: var(--amber);
  border-color: var(--amber);
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 面包屑（限本页样式） ---------- */
.page-privacy .breadcrumbs-list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .4rem .55rem;
  margin: 0 0 1.4rem;
  padding: 0;
  list-style: none;
  font-size: .8rem;
  color: rgba(233, 238, 245, .7);
}

.page-privacy .breadcrumbs-list li + li::before {
  content: "/";
  margin-right: .55rem;
  color: rgba(233, 238, 245, .45);
}

.page-privacy .breadcrumbs-list a {
  color: rgba(233, 238, 245, .9);
  text-decoration: none;
  border-bottom: 1px solid rgba(233, 238, 245, .35);
  padding-bottom: 1px;
  transition: border-color .18s ease, color .18s ease;
}

.page-privacy .breadcrumbs-list a:hover,
.page-privacy .breadcrumbs-list a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--green);
}

/* ---------- 顶部视觉 ---------- */
.page-privacy .privacy-visual {
  padding: 1.75rem 0 .5rem;
}

.page-privacy .privacy-visual .figure-frame {
  margin: 0;
}

.page-privacy .privacy-visual .media-caption {
  margin: .7rem 0 0;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .06em;
  color: var(--muted);
}

/* ---------- 主布局 ---------- */
.page-privacy .privacy-layout {
  padding: 2.4rem 0 3.2rem;
}

.page-privacy .privacy-rail {
  margin: 0 0 2.2rem;
  padding: 1rem 0 1.1rem;
  border-top: 2px solid var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-rail-label {
  margin: 0 0 .8rem;
  font-size: .7rem;
  font-weight: 700;
  letter-spacing: .24em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-privacy .privacy-index {
  display: flex;
  flex-wrap: wrap;
  gap: .3rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-index li {
  flex: 0 0 auto;
  max-width: 100%;
}

.page-privacy .privacy-index a {
  display: flex;
  align-items: baseline;
  gap: .55rem;
  padding: .45rem .7rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid transparent;
  background: var(--silver);
  color: var(--ink);
  font-size: .85rem;
  line-height: 1.45;
  text-decoration: none;
  transition: background-color .18s ease, border-color .18s ease, color .18s ease;
}

.page-privacy .privacy-index a:hover,
.page-privacy .privacy-index a:focus-visible {
  background: var(--green-soft);
  border-left-color: var(--green);
}

.page-privacy .privacy-index-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: .7rem;
  letter-spacing: .04em;
  color: var(--muted);
}

.page-privacy .privacy-index a:hover .privacy-index-num,
.page-privacy .privacy-index a:focus-visible .privacy-index-num {
  color: var(--green-deep);
}

.page-privacy .privacy-rail-foot {
  margin: .95rem 0 0;
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .04em;
  line-height: 1.7;
  color: var(--muted);
  word-break: break-all;
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-body {
  max-width: var(--pp-measure);
}

.page-privacy .privacy-sec {
  padding-bottom: 2.2rem;
  margin-bottom: 2.2rem;
  border-bottom: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 22px);
}

.page-privacy .privacy-sec:last-child {
  padding-bottom: 0;
  margin-bottom: 0;
  border-bottom: 0;
}

.page-privacy .privacy-sec-head {
  display: flex;
  align-items: baseline;
  gap: .8rem;
  margin: 0 0 1.05rem;
}

.page-privacy .privacy-sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 1.28rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--green);
}

.page-privacy .privacy-sec-title {
  margin: 0;
  font-family: var(--font-serif);
  font-size: clamp(1.22rem, 3.4vw, 1.58rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--ink);
}

.page-privacy .privacy-sec p {
  margin: 0 0 1rem;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink);
}

.page-privacy .privacy-list {
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 1.35rem;
  margin: 0 0 .68rem;
  font-size: .97rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .92em;
  width: 9px;
  height: 2px;
  border-radius: 2px;
  background: var(--green);
}

/* 引用编号行 */
.page-privacy .privacy-ref-line {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .5rem;
  margin: 1.3rem 0 0 !important;
}

.page-privacy .privacy-ref-line .ref-code {
  font-family: var(--font-mono);
  font-size: .76rem;
  letter-spacing: .06em;
  padding: .28em .7em;
  border-radius: var(--radius-sm);
  border: 1px solid var(--line);
  background: var(--silver);
  color: var(--ink-2);
}

.page-privacy .privacy-ref-line .copy-btn {
  font-family: var(--font-mono);
  font-size: .68rem;
  letter-spacing: .06em;
  padding: .3em .78em;
  border-radius: var(--pill);
  border: 1px solid var(--line);
  background: var(--paper);
  color: var(--muted);
  cursor: pointer;
  transition: background-color .18s ease, color .18s ease, border-color .18s ease;
}

.page-privacy .privacy-ref-line .copy-btn:hover,
.page-privacy .privacy-ref-line .copy-btn:focus-visible {
  background: var(--green-soft);
  border-color: var(--green);
  color: var(--ink);
}

.page-privacy .privacy-ref-line .copy-btn.is-copied {
  background: var(--green);
  border-color: var(--green);
  color: var(--ink);
}

/* 折叠细节 */
.page-privacy .privacy-details {
  margin: 0 0 1.1rem;
  padding: .15rem 0 .15rem 1.05rem;
  border-left: 3px solid var(--line);
  background: linear-gradient(90deg, var(--amber-soft) 0%, rgba(255, 244, 224, 0) 62%);
}

.page-privacy .privacy-details summary {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .35rem 0;
  cursor: pointer;
  font-size: .9rem;
  font-weight: 600;
  color: var(--ink-2);
  list-style: none;
}

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

.page-privacy .privacy-details summary::before {
  content: "+";
  flex: none;
  display: inline-grid;
  place-items: center;
  width: 1.35em;
  height: 1.35em;
  border-radius: 50%;
  background: var(--silver);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: .82em;
  line-height: 1;
  transition: background-color .18s ease;
}

.page-privacy .privacy-details[open] summary::before {
  content: "−";
  background: var(--green);
}

.page-privacy .privacy-details ul {
  margin: .4rem 0 .8rem;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-details li {
  position: relative;
  padding-left: 1.2rem;
  margin: 0 0 .5rem;
  font-size: .92rem;
  line-height: 1.8;
  color: var(--ink-2);
}

.page-privacy .privacy-details li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 5px;
  height: 5px;
  border-radius: 50%;
  background: var(--amber);
}

/* ---------- 尾部 ---------- */
.page-privacy .privacy-tail {
  padding: 2.6rem 0 3.4rem;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-tail-inner {
  max-width: 62ch;
}

.page-privacy .privacy-tail .eyebrow {
  margin: 0 0 .7rem;
  color: var(--muted);
}

.page-privacy .privacy-tail .section-title {
  margin: 0 0 .9rem;
  font-family: var(--font-serif);
  font-size: clamp(1.3rem, 3.6vw, 1.8rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--ink);
}

.page-privacy .privacy-tail p {
  margin: 0 0 1.4rem;
  font-size: .98rem;
  line-height: 1.9;
  color: var(--ink-2);
  word-break: break-word;
}

.page-privacy .privacy-tail-links {
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 700px) {
  .page-privacy .privacy-hero {
    padding: 1.4rem 0 3.4rem;
  }

  .page-privacy .privacy-visual {
    padding: 2.2rem 0 .8rem;
  }

  .page-privacy .privacy-layout {
    padding: 3rem 0 4rem;
  }
}

@media (min-width: 920px) {
  .page-privacy .privacy-layout {
    display: grid;
    grid-template-columns: var(--pp-rail) minmax(0, 1fr);
    gap: 3.4rem;
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 22px);
    align-self: start;
    margin: 0;
    max-height: calc(100vh - var(--header-h) - 46px);
    overflow-y: auto;
  }

  .page-privacy .privacy-index {
    display: block;
  }

  .page-privacy .privacy-index li {
    max-width: none;
    margin-bottom: .22rem;
  }

  .page-privacy .privacy-index a {
    background: transparent;
    padding: .5rem .7rem;
  }

  .page-privacy .privacy-index a:hover,
  .page-privacy .privacy-index a:focus-visible {
    background: var(--green-soft);
  }

  .page-privacy .privacy-sec {
    padding-bottom: 2.6rem;
    margin-bottom: 2.6rem;
  }

  .page-privacy .privacy-tail {
    padding: 3.4rem 0 4.4rem;
  }
}

@media (min-width: 1180px) {
  .page-privacy {
    --pp-rail: 236px;
    --pp-measure: 68ch;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index a,
  .page-privacy .privacy-ref-line .copy-btn,
  .page-privacy .privacy-details summary::before,
  .page-privacy .breadcrumbs-list a {
    transition: none;
  }
}