.page-privacy {
  --pp-rail-top: calc(var(--header-h) + 96px);
  padding-top: calc(var(--header-h) + 24px);
  padding-bottom: calc(var(--dock-h) + 80px);
  color: var(--paper);
  font-family: var(--font-body);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-bottom: 36px;
}

.page-privacy .privacy-hero::before {
  content: "";
  display: block;
  width: min(320px, 58%);
  height: 1px;
  margin-bottom: 26px;
  background: linear-gradient(90deg, var(--cyan), var(--amber), transparent);
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 24px;
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-head);
  font-weight: 300;
  font-size: clamp(32px, 8vw, 74px);
  line-height: 1.1;
  letter-spacing: -0.02em;
  margin: 16px 0 22px;
  max-width: 20ch;
  color: var(--paper);
}

.page-privacy .privacy-hero__lede {
  max-width: 58ch;
  font-size: 16px;
  line-height: 1.9;
  color: var(--grey);
  margin: 0;
}

/* ---------- 章节跳转轨道 ---------- */
.page-privacy .privacy-track {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: var(--night);
  border-top: 1px solid var(--track);
  border-bottom: 1px solid var(--track);
}

.page-privacy .privacy-track__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 10px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-privacy .privacy-track__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 10px 15px;
  border: 1px solid var(--track);
  border-radius: var(--radius-chip);
  color: var(--grey);
  font-size: 14px;
  text-decoration: none;
  white-space: nowrap;
  transition: color 180ms var(--ease), background-color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .privacy-track__link .mono {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--index);
  transition: color 180ms var(--ease);
}

.page-privacy .privacy-track__link:hover,
.page-privacy .privacy-track__link:focus-visible {
  color: var(--mist);
  border-color: var(--cyan);
}

.page-privacy .privacy-track__link[aria-current="true"] {
  color: var(--ink);
  background: var(--cyan);
  border-color: var(--cyan);
}

.page-privacy .privacy-track__link[aria-current="true"] .mono {
  color: var(--ink);
}

/* ---------- 条款章节 ---------- */
.page-privacy .privacy-chapter {
  padding: 40px 0 12px;
  border-top: 1px solid var(--track);
}

.page-privacy .privacy-chapter:first-of-type {
  border-top-color: transparent;
}

.page-privacy .chapter-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}

.page-privacy .chapter-rail {
  display: flex;
  align-items: center;
  gap: 12px;
}

.page-privacy .chapter-rail .index-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber);
}

.page-privacy .chapter-body {
  min-width: 0;
}

.page-privacy .chapter-body .h-section {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 600;
  font-size: clamp(24px, 5.2vw, 40px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .chapter-body h3 {
  margin: 26px 0 8px;
  font-family: var(--font-head);
  font-size: 17px;
  font-weight: 600;
  color: var(--paper);
}

.page-privacy .chapter-body p {
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.9;
  color: var(--grey);
}

.page-privacy .chapter-body > .prose {
  max-width: 64ch;
}

.page-privacy .chapter-side {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.page-privacy .chapter-side .tag {
  font-size: 12px;
}

/* 折叠补充 */
.page-privacy .privacy-more {
  margin: 24px 0 0;
  max-width: 64ch;
  background: var(--slate);
  border: 1px solid var(--track);
  border-radius: var(--radius-chip);
}

.page-privacy .privacy-more summary {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 14px 18px;
  font-size: 14px;
  color: var(--mist);
  cursor: pointer;
}

.page-privacy .privacy-more summary::marker {
  color: var(--cyan);
}

.page-privacy .privacy-more p {
  margin: 0;
  padding: 0 18px 18px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

/* ---------- 图 ---------- */
.page-privacy .privacy-figure {
  margin: 34px 0 0;
  max-width: 760px;
}

.page-privacy .privacy-figure .figure__media {
  overflow: hidden;
  border: 1px solid var(--track);
  border-radius: var(--radius-soft);
}

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

.page-privacy .privacy-figure .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.8;
  color: var(--index);
}

/* ---------- 用途列表 ---------- */
.page-privacy .use-list {
  display: grid;
  gap: 1px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
  max-width: 64ch;
  background: var(--track);
  border: 1px solid var(--track);
  border-radius: var(--radius-soft);
  overflow: hidden;
}

.page-privacy .use-item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 20px 20px 22px;
  background: var(--night);
}

.page-privacy .use-item__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-privacy .use-item h3 {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-privacy .use-item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--grey);
}

/* ---------- 保留期限 ---------- */
.page-privacy .keep-list {
  margin: 24px 0 0;
  max-width: 64ch;
}

.page-privacy .keep-row {
  padding: 18px 0;
  border-bottom: 1px dashed var(--track);
}

.page-privacy .keep-row dt {
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--mist);
  margin-bottom: 8px;
}

.page-privacy .keep-row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--grey);
}

.page-privacy .keep-access {
  margin-top: 26px;
  padding-left: 18px;
  border-left: 1px solid var(--cyan);
  max-width: 62ch;
}

/* ---------- 请求步骤 ---------- */
.page-privacy .steps {
  counter-reset: pp-step;
  display: grid;
  gap: 20px;
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  max-width: 64ch;
}

.page-privacy .steps > li {
  position: relative;
  padding-left: 44px;
}

.page-privacy .steps > li::before {
  counter-increment: pp-step;
  content: "0" counter(pp-step);
  position: absolute;
  left: 0;
  top: 3px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--amber);
}

.page-privacy .steps h3 {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

.page-privacy .steps p {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--grey);
}

/* ---------- 版本系列 ---------- */
.page-privacy .series-line {
  display: flex;
  gap: 0;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-privacy .series-line > li {
  position: relative;
  flex: 1 0 auto;
  min-width: 168px;
  max-width: 260px;
  padding: 20px 20px 4px 0;
  border-top: 1px solid var(--track);
}

.page-privacy .series-line > li::before {
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
}

.page-privacy .series-line__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--cyan);
  margin-bottom: 8px;
}

.page-privacy .series-line p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

/* ---------- 联系面板 ---------- */
.page-privacy .privacy-contact {
  padding: 52px 0 8px;
}

.page-privacy .contact-panel {
  padding: 28px 22px 30px;
  background: var(--night);
  border: 1px solid var(--track);
  border-top: 2px solid var(--cyan);
  border-radius: var(--radius-soft);
}

.page-privacy .contact-panel__lede {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--grey);
}

.page-privacy .contact-rows {
  margin: 26px 0 0;
  display: grid;
  gap: 14px;
}

.page-privacy .contact-row {
  display: grid;
  gap: 4px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--track);
}

.page-privacy .contact-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--index);
}

.page-privacy .contact-row dd {
  margin: 0;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 600;
  color: var(--paper);
  word-break: break-word;
}

.page-privacy .contact-panel__note {
  margin: 20px 0 24px;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--grey);
}

.page-privacy .contact-panel .btn {
  width: 100%;
}

.page-privacy .privacy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 26px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-links a {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  color: var(--paper);
  font-size: 15px;
  text-decoration: none;
}

.page-privacy .privacy-links a::before {
  content: "";
  flex: 0 0 auto;
  width: 18px;
  height: 1px;
  margin-right: 10px;
  background: var(--cyan);
}

.page-privacy .privacy-links a:hover,
.page-privacy .privacy-links a:focus-visible {
  color: var(--cyan);
}

/* ---------- 桌面 ---------- */
@media (min-width: 720px) {
  .page-privacy .use-item {
    grid-template-columns: 44px minmax(0, 1fr);
    column-gap: 16px;
    align-items: start;
    padding: 22px 26px 24px;
  }

  .page-privacy .use-item__num {
    padding-top: 3px;
  }

  .page-privacy .contact-rows {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 20px;
  }

  .page-privacy .contact-panel .btn {
    width: auto;
  }
}

@media (min-width: 900px) {
  .page-privacy .chapter-grid {
    grid-template-columns: 64px minmax(0, 1fr) 190px;
    gap: 34px;
    align-items: start;
  }

  .page-privacy .chapter-rail {
    position: sticky;
    top: var(--pp-rail-top);
    flex-direction: column;
    align-items: flex-start;
    gap: 0;
    padding-top: 6px;
  }

  .page-privacy .chapter-rail::after {
    content: "";
    width: 1px;
    height: 72px;
    margin-top: 14px;
    background: linear-gradient(180deg, var(--cyan), transparent);
  }

  .page-privacy .chapter-side {
    position: sticky;
    top: var(--pp-rail-top);
    flex-direction: column;
    align-items: flex-start;
    margin-top: 8px;
  }

  .page-privacy .chapter-body {
    max-width: 66ch;
  }

  .page-privacy .privacy-chapter {
    padding: 52px 0 16px;
  }

  .page-privacy .contact-panel {
    padding: 40px 44px 42px;
  }
}
<<<END>>>