.page-privacy {
  --privacy-doc-gap: clamp(2rem, 5vw, 4.5rem);
  position: relative;
  background:
    radial-gradient(115% 55% at 8% 0%, rgba(76, 224, 210, .09), transparent 62%),
    radial-gradient(85% 45% at 100% 6%, rgba(255, 123, 92, .08), transparent 66%),
    var(--ink);
  color: var(--fog);
  padding-bottom: clamp(3.5rem, 9vw, 7rem);
  overflow-x: clip;
}

.page-privacy .privacy-shell {
  width: 100%;
  max-width: var(--shell);
  margin: 0 auto;
  padding-left: var(--gutter);
  padding-right: var(--gutter);
}

/* ---------- 面包屑 ---------- */
.page-privacy .privacy-crumbs {
  margin: 0 0 clamp(1.2rem, 3vw, 2rem);
}

.page-privacy .privacy-crumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .55rem;
  list-style: none;
  margin: 0;
  padding: 0;
  font-family: var(--font-mono);
  font-size: .74rem;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-privacy .privacy-crumbs__item {
  display: inline-flex;
  align-items: center;
  gap: .55rem;
}

.page-privacy .privacy-crumbs__item + .privacy-crumbs__item::before {
  content: "";
  width: 18px;
  height: 1px;
  background: var(--line-strong);
}

.page-privacy .privacy-crumbs__item a {
  color: var(--slate);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

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

.page-privacy .privacy-crumbs__item[aria-current="page"] {
  color: var(--fog);
}

/* ---------- 页首视觉停留区 ---------- */
.page-privacy .privacy-hero {
  padding-top: clamp(1.5rem, 4vw, 3rem);
  padding-bottom: clamp(2.25rem, 6vw, 4rem);
}

.page-privacy .privacy-hero__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.75rem, 5vw, 3.5rem);
  align-items: center;
}

.page-privacy .privacy-hero__title {
  font-family: var(--font-title);
  font-weight: 900;
  font-size: clamp(1.95rem, 6vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -.015em;
  color: var(--fog);
  margin: .5rem 0 1.1rem;
}

.page-privacy .privacy-hero__lead {
  max-width: 36em;
  margin: 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--slate);
}

.page-privacy .privacy-hero__meta {
  display: inline-block;
  margin: 1.4rem 0 0;
  padding: .35rem .8rem;
  border: 1px solid rgba(76, 224, 210, .35);
  border-radius: 999px;
  background: rgba(76, 224, 210, .08);
  color: var(--cyan);
  font-size: .76rem;
  letter-spacing: .08em;
}

.page-privacy .privacy-hero__media {
  position: relative;
  margin: 0;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
  background:
    radial-gradient(120% 120% at 10% 0%, rgba(76, 224, 210, .22), transparent 58%),
    radial-gradient(110% 110% at 100% 100%, rgba(255, 123, 92, .2), transparent 62%),
    var(--panel);
  overflow: hidden;
  aspect-ratio: 12 / 7;
}

.page-privacy .privacy-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(160deg, rgba(245, 248, 252, .1), transparent 46%);
  backdrop-filter: blur(1px);
  pointer-events: none;
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .82;
  mix-blend-mode: screen;
}

.page-privacy .privacy-hero__caption {
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  padding: .7rem 1.1rem;
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--cyan-soft);
  background: linear-gradient(to top, rgba(11, 21, 35, .86), transparent);
  z-index: 1;
}

/* ---------- 主体两栏 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.5rem, 4vw, 2.5rem);
  padding-top: clamp(1.25rem, 3vw, 2rem);
  border-top: 1px solid var(--line);
}

/* ---------- 锚点目录 ---------- */
.page-privacy .privacy-toc__title {
  margin: 0 0 .8rem;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--slate);
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: .5rem;
  list-style: none;
  margin: 0;
  padding: 0 0 .35rem;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: center;
  gap: .45rem;
  white-space: nowrap;
  padding: .45rem .85rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(19, 39, 67, .6);
  color: var(--slate);
  font-size: .85rem;
  line-height: 1.4;
  text-decoration: none;
  transition: color .3s var(--ease), border-color .3s var(--ease), background-color .3s var(--ease);
}

.page-privacy .privacy-toc__link .mono {
  font-size: .7rem;
  letter-spacing: .08em;
  color: var(--cyan);
  opacity: .8;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--fog);
  border-color: var(--line-strong);
}

/* 当前定位项高亮 */
.page-privacy .privacy-layout:has(#scope:target) .toc-link--scope,
.page-privacy .privacy-layout:has(#collect:target) .toc-link--collect,
.page-privacy .privacy-layout:has(#purpose:target) .toc-link--purpose,
.page-privacy .privacy-layout:has(#retention:target) .toc-link--retention,
.page-privacy .privacy-layout:has(#rights:target) .toc-link--rights,
.page-privacy .privacy-layout:has(#updates:target) .toc-link--updates {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(76, 224, 210, .12);
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-sec {
  padding: clamp(1.5rem, 4vw, 2.1rem) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-privacy .privacy-sec:first-child {
  border-top: 0;
  padding-top: .35rem;
}

.page-privacy .privacy-sec:target {
  border-top-color: rgba(76, 224, 210, .55);
}

.page-privacy .privacy-sec__heading {
  margin: 0;
}

.page-privacy .privacy-sec__trigger {
  width: 100%;
  display: flex;
  align-items: baseline;
  gap: .85rem;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  text-align: left;
  color: inherit;
  cursor: pointer;
  border-radius: var(--r-sm);
}

.page-privacy .privacy-sec__trigger:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 6px;
}

.page-privacy .privacy-sec__num {
  flex: 0 0 auto;
  font-size: .8rem;
  letter-spacing: .12em;
  color: var(--cyan);
}

.page-privacy .privacy-sec__name {
  flex: 1 1 auto;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.6vw, 1.6rem);
  line-height: 1.32;
  color: var(--fog);
}

.page-privacy .privacy-sec__chev {
  flex: 0 0 auto;
  align-self: center;
  width: 9px;
  height: 9px;
  margin-top: 3px;
  border-right: 2px solid var(--slate);
  border-bottom: 2px solid var(--slate);
  transform: rotate(45deg);
  transition: transform .3s var(--ease), border-color .3s var(--ease);
}

.page-privacy .privacy-sec__trigger[aria-expanded="true"] .privacy-sec__chev {
  transform: rotate(225deg);
  margin-top: -3px;
  border-color: var(--cyan);
}

.page-privacy .privacy-sec__body {
  margin-top: 1rem;
  max-width: var(--measure);
  color: var(--slate);
  font-size: .98rem;
  line-height: 1.85;
}

.page-privacy .privacy-sec__body p {
  margin: 0 0 .85rem;
}

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

.page-privacy .privacy-sec__body .mono {
  color: var(--cyan-soft);
  font-size: .92em;
  letter-spacing: .02em;
}

.page-privacy .privacy-doc a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(76, 224, 210, .45);
  transition: color .25s var(--ease), border-color .25s var(--ease);
}

.page-privacy .privacy-doc a:hover,
.page-privacy .privacy-doc a:focus-visible {
  color: var(--fog);
  border-bottom-color: var(--fog);
}

.page-privacy .privacy-sec__list {
  display: grid;
  gap: .8rem;
  list-style: none;
  margin: 0 0 .95rem;
  padding: 0;
}

.page-privacy .privacy-sec__list li {
  position: relative;
  padding-left: 1.15rem;
}

.page-privacy .privacy-sec__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .68em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--coral);
  opacity: .75;
}

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

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-backtop {
  position: fixed;
  right: clamp(.9rem, 3vw, 1.75rem);
  bottom: 4.9rem;
  z-index: 20;
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  border: 1px solid rgba(76, 224, 210, .4);
  background: var(--glass);
  color: var(--cyan);
  backdrop-filter: blur(10px);
  box-shadow: 0 12px 28px rgba(11, 21, 35, .45);
  transition: transform .28s var(--ease), border-color .28s var(--ease), color .28s var(--ease);
}

.page-privacy .privacy-backtop:hover,
.page-privacy .privacy-backtop:focus-visible {
  transform: translateY(-3px);
  border-color: var(--coral);
  color: var(--coral);
}

.page-privacy .privacy-backtop:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 760px) {
  .page-privacy .privacy-backtop {
    bottom: clamp(1.25rem, 3vw, 2rem);
  }
}

@media (min-width: 880px) {
  .page-privacy .privacy-hero__inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(190px, 218px) minmax(0, 1fr);
    gap: var(--privacy-doc-gap);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 108px;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow-x: visible;
  }

  .page-privacy .privacy-toc__link {
    display: block;
    width: 100%;
    padding: .55rem 0 .55rem .9rem;
    border: 0;
    border-left: 2px solid var(--line);
    border-radius: 0;
    background: none;
    font-size: .92rem;
    white-space: normal;
  }

  .page-privacy .privacy-toc__link .mono {
    margin-right: .45rem;
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    border-left-color: var(--line-strong);
  }

  .page-privacy .privacy-layout:has(#scope:target) .toc-link--scope,
  .page-privacy .privacy-layout:has(#collect:target) .toc-link--collect,
  .page-privacy .privacy-layout:has(#purpose:target) .toc-link--purpose,
  .page-privacy .privacy-layout:has(#retention:target) .toc-link--retention,
  .page-privacy .privacy-layout:has(#rights:target) .toc-link--rights,
  .page-privacy .privacy-layout:has(#updates:target) .toc-link--updates {
    background: none;
    border-left-color: var(--cyan);
    color: var(--cyan);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-sec__chev,
  .page-privacy .privacy-backtop,
  .page-privacy .privacy-doc a {
    transition: none;
  }

  .page-privacy .privacy-backtop:hover,
  .page-privacy .privacy-backtop:focus-visible {
    transform: none;
  }
}