.page-privacy {
  --privacy-measure: 34em;
  --privacy-note-w: 224px;
  background: var(--paper);
  color: var(--black);
}

.page-privacy [id] {
  scroll-margin-top: 72px;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-900);
  color: var(--paper);
  padding: 18px 0 40px;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, rgba(244, 246, 244, 0.07) 0 1px, transparent 1px 64px),
    repeating-linear-gradient(to bottom, rgba(244, 246, 244, 0.05) 0 1px, transparent 1px 64px);
  pointer-events: none;
}

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

.page-privacy .privacy-hero .breadcrumb {
  color: rgba(244, 246, 244, 0.7);
}

.page-privacy .privacy-hero .breadcrumb a {
  color: rgba(244, 246, 244, 0.75);
  text-decoration: none;
}

.page-privacy .privacy-hero .breadcrumb a:hover,
.page-privacy .privacy-hero .breadcrumb a[aria-current="page"] {
  color: var(--signal-100);
}

.page-privacy .privacy-hero__frame {
  margin-top: 20px;
  border: 1px solid rgba(244, 246, 244, 0.22);
  padding: 22px 18px 24px;
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 14px;
  color: var(--signal-100);
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  max-width: 20em;
  font-family: var(--font-display);
  font-size: clamp(1.75rem, 5.4vw, 2.75rem);
  line-height: 1.18;
  letter-spacing: -0.02em;
  font-weight: 700;
}

.page-privacy .privacy-hero__intro {
  margin: 18px 0 0;
  max-width: 40em;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: rgba(244, 246, 244, 0.82);
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
}

.page-privacy .privacy-hero__badge {
  padding: 4px 12px;
  border: 1px solid rgba(244, 246, 244, 0.28);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.04em;
  color: rgba(244, 246, 244, 0.86);
}

.page-privacy .privacy-hero__badge--signal {
  background: var(--signal-500);
  border-color: var(--signal-500);
  color: #fff;
  font-weight: 700;
}

.page-privacy .privacy-hero__figure {
  margin: 24px 0 0;
  aspect-ratio: 16 / 9;
  overflow: hidden;
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .privacy-hero__figure .media-frame__caption {
  font-size: var(--fs-12);
  color: rgba(244, 246, 244, 0.7);
}

/* ---------- 章节锚点条 ---------- */
.page-privacy .privacy-toc {
  position: sticky;
  top: 0;
  z-index: 6;
  background: var(--paper);
  border-bottom: 1px solid var(--line);
  box-shadow: 0 1px 0 rgba(11, 43, 37, 0.04);
}

.page-privacy .privacy-toc__inner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 10px 0;
}

.page-privacy .privacy-toc__label {
  flex: none;
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--slate);
  border-right: 1px solid var(--line);
  padding-right: 12px;
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 2px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .privacy-toc__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 6px;
  padding: 5px 11px;
  border: 1px solid transparent;
  border-radius: 999px;
  font-size: var(--fs-14);
  color: var(--slate);
  text-decoration: none;
  white-space: nowrap;
  transition: background-color 0.18s ease, color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .privacy-toc__list a .mono {
  font-size: var(--fs-12);
  color: var(--signal-500);
}

.page-privacy .privacy-toc__list a:hover {
  background: var(--signal-100);
  color: var(--ink-900);
}

.page-privacy .privacy-toc__list a[aria-current="true"] {
  background: var(--ink-700);
  border-color: var(--ink-700);
  color: var(--paper);
}

.page-privacy .privacy-toc__list a[aria-current="true"] .mono {
  color: var(--signal-100);
}

/* ---------- 长文 ---------- */
.page-privacy .privacy-main {
  padding: 12px 0 56px;
}

.page-privacy .psec {
  padding: 30px 0 26px;
  border-top: 1px solid var(--line);
}

.page-privacy .psec:first-of-type {
  border-top: 0;
}

.page-privacy .psec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 16px;
}

.page-privacy .psec__no {
  flex: none;
  font-size: var(--fs-14);
  letter-spacing: 0.1em;
  color: var(--signal-500);
}

.page-privacy .psec__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: var(--fs-26);
  line-height: 1.25;
  letter-spacing: -0.02em;
  color: var(--ink-900);
}

.page-privacy .psec__body {
  display: grid;
  gap: 18px;
}

.page-privacy .psec__text {
  min-width: 0;
}

.page-privacy .psec__text p {
  margin: 0 0 14px;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--black);
}

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

.page-privacy .psec__text ul {
  margin: 0 0 16px;
  padding-left: 1.15em;
  list-style: disc;
}

.page-privacy .psec__text li {
  margin-bottom: 10px;
  font-size: var(--fs-16);
  line-height: 1.8;
  color: var(--black);
}

.page-privacy .psec__text li::marker {
  color: var(--signal-500);
}

.page-privacy .psec__text strong {
  color: var(--ink-700);
  font-weight: 700;
}

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

.page-privacy .psec__text a:hover {
  color: var(--signal-500);
}

.page-privacy .psec__note {
  border-top: 1px dashed var(--line);
  padding-top: 12px;
  font-size: var(--fs-14);
  line-height: 1.75;
  color: var(--slate);
}

.page-privacy .psec__note p {
  margin: 0;
}

/* 术语 */
.page-privacy .term {
  position: relative;
  border-bottom: 1px dashed var(--ink-500);
  cursor: help;
}

.page-privacy .term:focus {
  outline: 2px solid var(--signal-500);
  outline-offset: 2px;
}

.page-privacy .term__tip {
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  z-index: 9;
  width: 230px;
  max-width: 62vw;
  padding: 10px 12px;
  background: var(--ink-900);
  color: var(--paper);
  border-radius: 4px;
  font-size: var(--fs-12);
  font-style: normal;
  font-weight: 400;
  line-height: 1.65;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(-4px);
  transition: opacity 0.18s ease, transform 0.18s ease, visibility 0.18s;
  pointer-events: none;
}

.page-privacy .term:hover .term__tip,
.page-privacy .term:focus .term__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 保留周期条 */
.page-privacy .retention-strip {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 14px 16px;
  background: var(--signal-100);
  border-left: 3px solid var(--signal-500);
}

.page-privacy .retention-strip__num {
  font-size: var(--fs-32);
  line-height: 1;
  font-weight: 700;
  color: var(--ink-900);
  letter-spacing: -0.01em;
}

.page-privacy .retention-strip__unit {
  font-size: var(--fs-14);
  font-weight: 700;
  color: var(--ink-700);
}

.page-privacy .retention-strip__text {
  flex: 1 1 100%;
  font-size: var(--fs-14);
  line-height: 1.6;
  color: var(--ink-700);
}

/* 权利清单 */
.page-privacy .rights-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-privacy .rights-list li {
  display: grid;
  grid-template-columns: 28px 1fr;
  gap: 10px;
  align-items: start;
  padding: 10px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .rights-list li:first-child {
  border-top: 1px solid var(--line);
}

.page-privacy .rights-list__no {
  font-size: var(--fs-12);
  line-height: 1.9;
  color: var(--signal-500);
  letter-spacing: 0.08em;
}

/* ---------- 相关入口 ---------- */
.page-privacy .privacy-next {
  margin-top: 32px;
  padding-top: 26px;
  border-top: 1px solid var(--ink-900);
}

.page-privacy .privacy-next .eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.14em;
  color: var(--slate);
  text-transform: uppercase;
}

.page-privacy .privacy-next__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 4px;
}

.page-privacy .privacy-next__list a {
  display: grid;
  grid-template-columns: 34px 1fr;
  grid-template-areas:
    "no label"
    "no desc";
  row-gap: 4px;
  column-gap: 10px;
  padding: 12px 10px;
  text-decoration: none;
  color: var(--black);
  border-left: 2px solid transparent;
  transition: background-color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .privacy-next__list a:hover,
.page-privacy .privacy-next__list a:focus-visible {
  background: var(--signal-100);
  border-left-color: var(--signal-500);
}

.page-privacy .privacy-next__no {
  grid-area: no;
  font-size: var(--fs-12);
  line-height: 1.9;
  color: var(--signal-500);
  letter-spacing: 0.06em;
}

.page-privacy .privacy-next__label {
  grid-area: label;
  font-family: var(--font-display);
  font-size: var(--fs-20);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-privacy .privacy-next__desc {
  grid-area: desc;
  font-size: var(--fs-14);
  line-height: 1.65;
  color: var(--slate);
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-hero {
    padding: 24px 0 52px;
  }

  .page-privacy .privacy-hero__frame {
    padding: 30px 28px 32px;
  }

  .page-privacy .privacy-hero__figure {
    aspect-ratio: 8 / 3;
  }

  .page-privacy .psec {
    padding: 40px 0 34px;
  }

  .page-privacy .privacy-next__list {
    grid-template-columns: 1fr 1fr;
    gap: 6px 20px;
  }
}

@media (min-width: 880px) {
  .page-privacy .privacy-toc__inner {
    padding: 12px 0;
  }

  .page-privacy .psec__body {
    grid-template-columns: minmax(0, var(--privacy-measure)) var(--privacy-note-w);
    column-gap: 46px;
    align-items: start;
  }

  .page-privacy .psec__note {
    border-top: 0;
    border-left: 1px dashed var(--line);
    padding: 0 0 0 16px;
    margin-top: 4px;
  }

  .page-privacy .psec__title {
    font-size: var(--fs-32);
  }

  .page-privacy .retention-strip {
    align-items: center;
  }

  .page-privacy .retention-strip__text {
    flex: 1 1 auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__list a,
  .page-privacy .privacy-next__list a,
  .page-privacy .term__tip {
    transition: none;
  }

  .page-privacy .term__tip {
    transform: none;
  }
}
<<<END>>>