.page-privacy {
  --pp-measure: 42rem;
  --pp-rule: #1E2A3A;
  --pp-body: rgba(242, 246, 255, .76);
  --pp-body-ink: rgba(5, 7, 12, .72);
}

/* ---------- 面包屑 ---------- */
.page-privacy .crumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding: 26px 0 0;
  font-size: 13px;
  letter-spacing: .02em;
}
.page-privacy .crumb a.crumb__item {
  color: var(--steel);
  text-decoration: none;
  transition: color .16s ease-out;
}
.page-privacy .crumb a.crumb__item:hover,
.page-privacy .crumb a.crumb__item:focus-visible {
  color: var(--ice);
}
.page-privacy .crumb__item--current {
  color: var(--frost);
}
.page-privacy .crumb__sep {
  color: var(--line);
  font-size: 12px;
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  padding: clamp(36px, 6vw, 76px) 0 0;
  background:
    radial-gradient(120% 90% at 84% -8%, rgba(79, 168, 255, .17), transparent 58%),
    radial-gradient(90% 70% at 4% 10%, rgba(53, 224, 161, .08), transparent 60%),
    linear-gradient(180deg, rgba(11, 20, 36, .92) 0%, rgba(5, 7, 12, 1) 82%);
  overflow: hidden;
}
.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(rgba(30, 42, 58, .55) 1px, transparent 1px),
    linear-gradient(90deg, rgba(30, 42, 58, .55) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95) 0%, transparent 74%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95) 0%, transparent 74%);
  pointer-events: none;
}
.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 1;
}
.page-privacy .pp-hero__title {
  margin: 14px 0 0;
  max-width: 16ch;
  font-size: clamp(32px, 6.4vw, 74px);
  line-height: 1.04;
  letter-spacing: -.035em;
  font-weight: 900;
  color: var(--frost);
}
.page-privacy .pp-hero__lede {
  margin: 22px 0 0;
  max-width: 38em;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.82;
  color: var(--pp-body);
}
.page-privacy .pp-hero__facts {
  list-style: none;
  margin: 38px 0 0;
  padding: 24px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}
.page-privacy .pp-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.page-privacy .pp-hero__val {
  font-size: clamp(22px, 2.4vw, 30px);
  font-weight: 700;
  letter-spacing: -.01em;
  color: var(--frost);
}
.page-privacy .pp-hero__key {
  font-size: 13px;
  line-height: 1.5;
  color: var(--steel);
}

.page-privacy .pp-hero__media {
  position: relative;
  margin: clamp(36px, 6vw, 72px) auto 0;
  max-width: 1280px;
}
.page-privacy .pp-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 5 / 2;
  object-fit: cover;
  filter: saturate(.92) contrast(1.06);
}
.page-privacy .pp-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 42%, rgba(5, 7, 12, .82) 100%);
  pointer-events: none;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pp-body {
  padding: clamp(48px, 7vw, 96px) 0 clamp(64px, 8vw, 112px);
}
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 48px);
}

/* ---------- 小节索引 ---------- */
.page-privacy .pp-toc {
  padding-top: 16px;
  border-top: 1px solid var(--pp-rule);
}
.page-privacy .pp-toc__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .22em;
  color: var(--steel);
}
.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-privacy .pp-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  font-size: 13px;
  line-height: 1.2;
  color: var(--steel);
  text-decoration: none;
  transition: color .16s ease-out, border-color .16s ease-out, background-color .16s ease-out;
}
.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--frost);
  border-color: var(--ice);
  background: var(--mist);
}
.page-privacy .pp-toc__num {
  font-size: 11px;
  color: var(--ice);
}

/* ---------- 条款正文 ---------- */
.page-privacy .pp-doc {
  min-width: 0;
}
.page-privacy .pp-sec {
  padding: clamp(30px, 4.4vw, 48px) 0;
  border-top: 1px solid var(--pp-rule);
  scroll-margin-top: calc(var(--head-h) + 28px);
}
.page-privacy .pp-sec:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .pp-sec__title {
  margin: 0 0 20px;
  padding-left: 16px;
  border-left: 3px solid var(--ice);
  font-size: clamp(20px, 2.4vw, 28px);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--frost);
}
.page-privacy .pp-sec p {
  margin: 0 0 1.2em;
  max-width: 38em;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--pp-body);
}
.page-privacy .pp-sec p:last-child {
  margin-bottom: 0;
}
.page-privacy .pp-lead {
  font-weight: 700;
  color: var(--frost);
}
.page-privacy .pp-sub {
  margin: 26px 0 12px;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .18em;
  color: var(--steel);
}
.page-privacy .pp-sec .pp-sub:first-of-type {
  margin-top: 6px;
}

/* 条目列表 */
.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 1.4em;
  padding: 0;
  max-width: 38em;
}
.page-privacy .pp-list > li {
  position: relative;
  padding: 14px 0 14px 24px;
  border-top: 1px solid var(--line);
}
.page-privacy .pp-list > li:first-child {
  border-top: 0;
  padding-top: 2px;
}
.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 25px;
  width: 12px;
  height: 2px;
  background: var(--ice);
}
.page-privacy .pp-list > li:first-child::before {
  top: 13px;
}
.page-privacy .pp-list__key {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--frost);
}
.page-privacy .pp-list__text {
  display: block;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--pp-body);
}

/* 术语与链接 */
.page-privacy .pp-term {
  font-family: var(--mono);
  font-size: .9em;
  color: var(--neon);
  border-bottom: 1px dashed rgba(138, 240, 255, .5);
  cursor: help;
}
.page-privacy .pp-link {
  color: var(--ice);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid rgba(79, 168, 255, .4);
  transition: color .16s ease-out, border-color .16s ease-out;
}
.page-privacy .pp-link:hover,
.page-privacy .pp-link:focus-visible {
  color: var(--neon);
  border-bottom-color: var(--neon);
}

/* ---------- 页尾反白收束 ---------- */
.page-privacy .pp-outro {
  position: relative;
  padding: clamp(48px, 7vw, 88px) 0;
  background: var(--frost);
  color: var(--ink);
  overflow: hidden;
}
.page-privacy .pp-outro::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: linear-gradient(90deg, rgba(5, 7, 12, .07) 1px, transparent 1px);
  background-size: 72px 100%;
  pointer-events: none;
}
.page-privacy .pp-outro > .wrap {
  position: relative;
  z-index: 1;
}
.page-privacy .pp-outro__title {
  margin: 0 0 16px;
  max-width: 20ch;
  font-size: clamp(24px, 3.4vw, 40px);
  line-height: 1.16;
  letter-spacing: -.025em;
  font-weight: 900;
  color: var(--ink);
}
.page-privacy .pp-outro__text {
  margin: 0 0 28px;
  max-width: 38em;
  font-size: 16.5px;
  line-height: 1.8;
  color: var(--pp-body-ink);
}
.page-privacy .pp-outro__links {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 22px;
  margin: 0;
}
.page-privacy .pp-link--dark {
  color: var(--ink);
  font-size: 15px;
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(5, 7, 12, .32);
  transition: color .16s ease-out, border-color .16s ease-out;
}
.page-privacy .pp-link--dark:hover,
.page-privacy .pp-link--dark:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 32px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pp-layout {
    grid-template-columns: 212px minmax(0, var(--pp-measure));
    justify-content: center;
    align-items: start;
    gap: clamp(48px, 6vw, 88px);
  }
  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--head-h) + 28px);
    align-self: start;
    max-height: calc(100vh - var(--head-h) - 56px);
    overflow-y: auto;
  }
  .page-privacy .pp-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }
  .page-privacy .pp-toc__link {
    display: flex;
    width: 100%;
    padding: 11px 10px 11px 0;
    border: 0;
    border-bottom: 1px solid var(--line);
    background: transparent;
    gap: 12px;
    transition: color .16s ease-out, border-color .16s ease-out, padding-left .16s ease-out;
  }
  .page-privacy .pp-toc__link:hover,
  .page-privacy .pp-toc__link:focus-visible {
    background: transparent;
    border-bottom-color: var(--ice);
    padding-left: 8px;
  }
}

@media (max-width: 420px) {
  .page-privacy .pp-hero__title {
    max-width: none;
    font-size: clamp(29px, 8.6vw, 40px);
  }
  .page-privacy .pp-outro__links {
    gap: 16px;
  }
  .page-privacy .pp-outro__links .btn {
    width: 100%;
    text-align: center;
  }
}