.page-privacy {
  --priv-measure: 40em;
  --priv-rule: 1px solid var(--hair);
  background: var(--paper);
  color: var(--ink);
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--indigo-900);
  padding: clamp(48px, 8vw, 92px) 0 clamp(40px, 6vw, 68px);
  border-bottom: 1px solid var(--line-dark);
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .36;
  pointer-events: none;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background:
    repeating-linear-gradient(90deg, rgba(34, 224, 214, .055) 0 1px, transparent 1px 92px),
    linear-gradient(112deg, rgba(11, 22, 51, .97) 0%, rgba(11, 22, 51, .84) 46%, rgba(15, 61, 62, .76) 100%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 2;
}

.page-privacy .privacy-crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 22px;
  font-size: 13px;
  letter-spacing: .02em;
}

.page-privacy .privacy-crumbs__link {
  color: var(--on-dark-muted);
  text-decoration: none;
  transition: color 180ms var(--ease);
}

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

.page-privacy .privacy-crumbs__sep {
  color: rgba(147, 163, 194, .5);
}

.page-privacy .privacy-crumbs__current {
  color: var(--on-dark);
}

.page-privacy .privacy-hero__eyebrow {
  color: var(--cyan);
  margin: 0 0 16px;
}

.page-privacy .privacy-hero__title {
  margin: 0 0 20px;
  max-width: 18em;
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--on-dark);
}

.page-privacy .privacy-hero__lede {
  margin: 0;
  max-width: 42em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--on-dark-muted);
}

/* ---------- 主体骨架 ---------- */
.page-privacy .privacy-body {
  padding: clamp(32px, 5vw, 68px) 0 clamp(64px, 9vw, 116px);
}

/* 移动端：横向章节条 */
.page-privacy .privacy-toc {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  margin: 0 0 32px;
  padding: 0 0 10px;
  border-bottom: var(--priv-rule);
  scrollbar-width: none;
}

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

.page-privacy .privacy-toc__title {
  display: none;
}

.page-privacy .privacy-toc .spy-link {
  display: flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 6px;
  padding: 8px 12px 8px 0;
  border-bottom: 2px solid transparent;
  margin-bottom: -11px;
  font-size: 14px;
  white-space: nowrap;
  color: var(--muted);
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .privacy-toc .spy-link:hover,
.page-privacy .privacy-toc .spy-link:focus-visible {
  color: var(--cyan-ink);
  border-bottom-color: var(--cyan-ink);
}

.page-privacy .privacy-toc .spy-link.is-active {
  color: var(--ink);
  font-weight: 700;
  border-bottom-color: var(--cyan-ink);
}

.page-privacy .privacy-toc .spy-link__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--muted);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-sec {
  padding-top: clamp(30px, 4.4vw, 52px);
  margin-top: clamp(30px, 4.4vw, 52px);
  border-top: var(--priv-rule);
  scroll-margin-top: calc(var(--top-h) + 28px);
}

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

.page-privacy .privacy-sec__num {
  display: block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .16em;
  color: var(--cyan-ink);
  margin-bottom: 12px;
}

.page-privacy .privacy-sec__title {
  margin: 0 0 18px;
  font-size: clamp(21px, 2.6vw, 27px);
  font-weight: 900;
  line-height: 1.34;
  letter-spacing: -.01em;
  color: var(--ink);
}

.page-privacy .privacy-sec__body {
  font-size: 17px;
  line-height: 1.8;
  color: var(--ink);
}

.page-privacy .privacy-sec__body p {
  margin: 0 0 15px;
}

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

.page-privacy .privacy-sec__body a {
  color: var(--cyan-ink);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 180ms var(--ease);
}

.page-privacy .privacy-sec__body a:hover,
.page-privacy .privacy-sec__body a:focus-visible {
  color: var(--orange-ink);
}

/* 定义式列表 */
.page-privacy .term-list,
.page-privacy .use-list {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
}

.page-privacy .term-list > li {
  padding: 16px 0;
  border-bottom: var(--priv-rule);
}

.page-privacy .term-list > li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .term-list__key {
  display: block;
  margin-bottom: 6px;
  font-size: 16px;
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .term-list p {
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-privacy .use-list > li {
  position: relative;
  padding: 0 0 16px 26px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

.page-privacy .use-list > li:last-child {
  padding-bottom: 0;
}

.page-privacy .use-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 10px;
  width: 8px;
  height: 8px;
  border: 1px solid var(--cyan-ink);
  border-radius: 50%;
}

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

/* 术语提示 */
.page-privacy .term {
  position: relative;
  border-bottom: 1px dashed var(--cyan-ink);
  cursor: help;
  outline-offset: 3px;
}

.page-privacy .term:focus-visible {
  outline: 2px solid var(--cyan-ink);
}

.page-privacy .term__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  width: max-content;
  max-width: 260px;
  z-index: 6;
  padding: 10px 12px;
  background: var(--indigo-900);
  color: var(--on-dark);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.65;
  border-radius: 2px;
  box-shadow: var(--shadow-2);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity 160ms var(--ease), transform 160ms var(--ease), visibility 160ms var(--ease);
}

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

/* 提示条 */
.page-privacy .privacy-note {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--cyan-ink);
  background: rgba(34, 224, 214, .05);
  font-size: 14px;
  line-height: 1.75;
  color: var(--muted);
}

/* 联系渠道 */
.page-privacy .privacy-channels {
  display: grid;
  gap: 1px;
  margin-top: 22px;
  background: var(--hair);
  border: 1px solid var(--hair);
}

.page-privacy .privacy-channel {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 8px;
  padding: 20px;
  background: var(--paper);
}

.page-privacy .privacy-channel__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-privacy .privacy-channel__val {
  font-size: 15px;
  color: var(--ink);
  word-break: break-all;
}

.page-privacy .privacy-channel__hint {
  font-size: 13px;
  color: var(--muted);
}

.page-privacy .privacy-channel__btn {
  min-height: 44px;
  margin-top: 2px;
  padding: 9px 16px;
  font-family: inherit;
  font-size: 13px;
  color: var(--ink);
  background: transparent;
  border: 1px solid var(--hair);
  border-radius: 2px;
  cursor: pointer;
  transition: border-color 180ms var(--ease), color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-privacy .privacy-channel__btn:hover,
.page-privacy .privacy-channel__btn:focus-visible {
  border-color: var(--cyan-ink);
  color: var(--cyan-ink);
  background: rgba(34, 224, 214, .06);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-channels {
    grid-template-columns: 1fr 1fr;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) minmax(196px, 224px);
    gap: clamp(36px, 5vw, 84px);
    align-items: start;
  }

  .page-privacy .privacy-doc {
    grid-column: 1;
    grid-row: 1;
    max-width: var(--priv-measure);
  }

  .page-privacy .privacy-toc {
    grid-column: 2;
    grid-row: 1;
    display: block;
    position: sticky;
    top: calc(var(--top-h) + 32px);
    margin: 0;
    padding: 18px 0 0;
    overflow: visible;
    border-bottom: 0;
    border-top: 2px solid var(--ink);
  }

  .page-privacy .privacy-toc__title {
    display: block;
    margin: 0 0 12px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: .14em;
    color: var(--muted);
  }

  .page-privacy .privacy-toc .spy-link {
    display: flex;
    align-items: baseline;
    gap: 10px;
    margin-bottom: 0;
    padding: 7px 0 7px 12px;
    border-bottom: 0;
    border-left: 2px solid var(--hair);
    white-space: normal;
    font-size: 14px;
    color: var(--muted);
    transition: color 180ms var(--ease), border-color 180ms var(--ease);
  }

  .page-privacy .privacy-toc .spy-link:hover,
  .page-privacy .privacy-toc .spy-link:focus-visible {
    border-left-color: var(--cyan-ink);
    color: var(--cyan-ink);
  }

  .page-privacy .privacy-toc .spy-link.is-active {
    border-left-color: var(--cyan-ink);
    color: var(--ink);
    font-weight: 700;
  }
}
<<<END>>>