.page-privacy {
  --privacy-measure: 34em;
  display: block;
  background-image:
    radial-gradient(560px 430px at 10% 2%, rgba(58, 240, 220, .09), transparent 72%),
    radial-gradient(520px 420px at 92% 0%, rgba(139, 92, 255, .11), transparent 74%);
  background-repeat: no-repeat;
}

/* ---------- 首屏声明区 ---------- */

.page-privacy .privacy-head {
  padding: clamp(26px, 4.5vw, 52px) 0 clamp(18px, 3vw, 34px);
  max-width: 44rem;
}

.page-privacy .page-title {
  margin: 12px 0 20px;
  font-size: clamp(2.05rem, 6vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.012em;
  font-weight: 200;
  color: var(--text);
}

.page-privacy .page-title strong {
  display: block;
  margin-top: 6px;
  font-weight: 900;
  letter-spacing: -0.02em;
  background: linear-gradient(102deg, var(--cyan) 0%, var(--violet) 78%);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: var(--cyan);
}

.page-privacy .page-lead {
  max-width: 36em;
  font-size: 1.02rem;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 左侧锚点 + 右侧条款流 ---------- */

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 44px);
  padding-bottom: clamp(58px, 9vw, 110px);
}

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

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

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(176px, 218px) minmax(0, 1fr);
    gap: clamp(44px, 6vw, 92px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    display: block;
    position: sticky;
    top: clamp(96px, 13vh, 134px);
  }
}

.page-privacy .privacy-toc__title {
  margin: 0 0 18px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-privacy .privacy-toc__nav {
  display: flex;
  flex-direction: column;
}

.page-privacy .privacy-toc__link {
  position: relative;
  display: block;
  padding: 9px 0 9px 16px;
  font-size: 14px;
  line-height: 1.55;
  color: var(--muted);
  text-decoration: none;
  border-left: 2px solid rgba(30, 43, 69, .95);
  transition: color .22s var(--ease), border-color .22s var(--ease), padding-left .22s var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--text);
  outline: none;
}

.page-privacy .privacy-toc__link.is-active {
  color: var(--cyan);
  border-left-color: var(--cyan);
  padding-left: 21px;
}

/* ---------- 条款章节 ---------- */

.page-privacy .privacy-section {
  padding-block: clamp(30px, 4.6vw, 54px);
  scroll-margin-top: clamp(88px, 12vh, 132px);
}

.page-privacy .privacy-flow > .privacy-section:first-child {
  padding-top: 0;
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: clamp(16px, 2.2vw, 26px);
}

.page-privacy .privacy-section__head .chapter__index {
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--cyan);
  opacity: .9;
}

.page-privacy .privacy-section__head h2 {
  margin: 0;
  font-size: clamp(1.24rem, 2.6vw, 1.72rem);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: .004em;
  color: var(--text);
}

.page-privacy .privacy-body {
  padding-left: clamp(0px, 2vw, 22px);
}

.page-privacy .privacy-body > p {
  max-width: var(--privacy-measure);
  margin: 0 0 18px;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--text);
}

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

.page-privacy .privacy-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(58, 240, 220, .38);
  padding-bottom: 1px;
  transition: border-color .2s var(--ease);
}

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

/* ---------- 数据类别小条目 ---------- */

.page-privacy .privacy-item {
  max-width: var(--privacy-measure);
  padding-left: 18px;
  border-left: 1px solid var(--line);
  margin-bottom: 26px;
}

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

.page-privacy .privacy-item__title {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 8px;
  font-size: 1.02rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
}

.page-privacy .privacy-item__title span {
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: .14em;
  color: var(--gold);
  padding: 2px 7px;
  border: 1px solid rgba(255, 179, 71, .32);
  border-radius: 999px;
}

.page-privacy .privacy-item p {
  margin: 0;
  font-size: .96rem;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 本地存储示意 ---------- */

.page-privacy .privacy-figure {
  margin: clamp(24px, 3.6vw, 38px) 0 0;
  max-width: 100%;
}

.page-privacy .privacy-figure .media-frame {
  position: relative;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    radial-gradient(78% 92% at 26% 22%, rgba(58, 240, 220, .13), transparent 70%),
    radial-gradient(70% 80% at 82% 78%, rgba(139, 92, 255, .13), transparent 72%),
    var(--panel);
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  opacity: .92;
}

.page-privacy .privacy-figure .media-frame__caption {
  margin-top: 12px;
  max-width: 40em;
  font-size: .86rem;
  line-height: 1.75;
  color: var(--muted);
}

/* ---------- 保存期限 ---------- */

.page-privacy .privacy-retention {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  max-width: 42em;
}

.page-privacy .privacy-retention li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 3px 20px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(30, 43, 69, .55);
}

.page-privacy .privacy-retention li:last-child {
  border-bottom: none;
  padding-bottom: 0;
}

@media (min-width: 640px) {
  .page-privacy .privacy-retention li {
    grid-template-columns: minmax(112px, 148px) minmax(84px, 104px) minmax(0, 1fr);
    align-items: baseline;
  }
}

.page-privacy .privacy-retention__label {
  font-size: .96rem;
  font-weight: 700;
  color: var(--text);
}

.page-privacy .privacy-retention__value {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--gold);
}

.page-privacy .privacy-retention__note {
  font-size: .92rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 可调整选项 ---------- */

.page-privacy .privacy-choices {
  list-style: none;
  margin: 6px 0 22px;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 40em;
}

.page-privacy .privacy-choice {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 13px;
  padding: 15px 17px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(12, 20, 36, .88), rgba(12, 20, 36, .46));
  transition: border-color .24s var(--ease), transform .24s var(--ease);
}

.page-privacy .privacy-choice:hover {
  border-color: rgba(58, 240, 220, .34);
  transform: translateX(3px);
}

.page-privacy .privacy-choice__mark {
  width: 8px;
  height: 8px;
  margin-top: 7px;
  border-radius: 2px;
  background: var(--cyan);
  box-shadow: 0 0 9px rgba(58, 240, 220, .55);
}

.page-privacy .privacy-choice__name {
  margin: 0 0 4px;
  font-size: .98rem;
  font-weight: 700;
  letter-spacing: .01em;
  color: var(--text);
}

.page-privacy .privacy-choice__desc {
  margin: 0;
  font-size: .92rem;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 返回顶部 ---------- */

.page-privacy .privacy-backtop {
  margin: clamp(34px, 5vw, 54px) 0 0;
  padding-top: 20px;
  border-top: 1px solid rgba(30, 43, 69, .62);
}

.page-privacy .privacy-backtop a {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .22s var(--ease), border-color .22s var(--ease);
}

.page-privacy .privacy-backtop a::before {
  content: "↑";
  font-size: 13px;
  color: var(--cyan);
}

.page-privacy .privacy-backtop a:hover,
.page-privacy .privacy-backtop a:focus-visible {
  color: var(--cyan);
  border-bottom-color: rgba(58, 240, 220, .5);
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 639px) {
  .page-privacy .privacy-body {
    padding-left: 0;
  }

  .page-privacy .privacy-item {
    padding-left: 14px;
    margin-bottom: 22px;
  }

  .page-privacy .privacy-section__head {
    gap: 10px;
  }

  .page-privacy .page-title strong {
    margin-top: 3px;
  }

  .page-privacy .privacy-choice {
    padding: 14px 14px;
  }
}

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

  .page-privacy .privacy-choice:hover {
    transform: none;
  }
}