.page-privacy {
  --pp-line: rgba(167, 159, 201, .22);
  --pp-measure: 660px;
  background: var(--ink-900);
  color: var(--stardust);
  overflow-x: hidden;
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

/* ---------- 首屏说明区 ---------- */

.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  padding: 26px 0 40px;
  border-bottom: var(--border-print);
  background:
    radial-gradient(115% 88% at 10% -14%, rgba(123, 63, 242, .40), transparent 62%),
    radial-gradient(88% 76% at 94% -4%, rgba(47, 182, 255, .20), transparent 66%),
    linear-gradient(180deg, var(--ink-900), var(--ink-800) 118%);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 3px;
  background: var(--grad-brand);
}

.page-privacy .pp-hero__aura {
  position: absolute;
  right: -140px;
  bottom: -240px;
  width: 440px;
  height: 440px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(77, 255, 166, .14), transparent 70%);
  pointer-events: none;
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .pp-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px 14px;
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--mist);
}

.page-privacy .pp-kicker__sep {
  width: 22px;
  height: 1px;
  background: var(--pp-line);
}

.page-privacy .pp-title {
  margin: 18px 0 0;
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(29px, 5.6vw, 48px);
  line-height: 1.16;
  letter-spacing: -.02em;
  color: var(--stardust);
}

.page-privacy .pp-lede {
  max-width: 620px;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 18px 44px;
  margin: 30px 0 0;
  padding: 22px 0 0;
  border-top: var(--border-print);
}

.page-privacy .pp-hero__metaItem {
  display: flex;
  flex-direction: column-reverse;
  gap: 4px;
}

.page-privacy .pp-hero__metaLabel {
  margin: 0;
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-privacy .pp-hero__metaNum {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 28px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -.03em;
  color: var(--orange);
}

.page-privacy .pp-hero__metaNum small {
  font-size: 13px;
  margin-left: 3px;
  color: var(--mist);
  font-weight: 500;
}

/* ---------- 横幅图 ---------- */

.page-privacy .pp-banner {
  margin: 38px auto 0;
  padding: 0;
}

.page-privacy .pp-banner img {
  display: block;
  width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  border: var(--border-print);
  background: var(--grad-dark);
  object-fit: cover;
}

.page-privacy .pp-banner__cap {
  margin: 14px 0 0;
  padding-left: 14px;
  border-left: 2px solid rgba(255, 209, 102, .5);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ---------- 主体布局 ---------- */

.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 36px;
  padding-top: 52px;
  padding-bottom: 76px;
}

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

/* ---------- 右侧索引 ---------- */

.page-privacy .pp-toc {
  order: -1;
  padding: 18px 18px 16px;
  border: var(--border-print);
  border-radius: var(--radius);
  background: rgba(16, 36, 58, .48);
}

.page-privacy .pp-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--mist);
}

.page-privacy .pp-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
  counter-reset: pp-toc;
}

.page-privacy .pp-toc__link {
  display: block;
  padding: 9px 10px 9px 13px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  line-height: 1.55;
  color: var(--mist);
  text-decoration: none;
  transition: color .2s ease, background .2s ease, border-color .2s ease;
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--stardust);
  background: rgba(123, 63, 242, .18);
  border-left-color: var(--purple);
}

.page-privacy .pp-toc__foot {
  margin: 14px 0 0;
  padding-top: 13px;
  border-top: var(--border-print);
}

/* ---------- 章节折叠 ---------- */

.page-privacy .pp-sec {
  border-top: 1px solid var(--pp-line);
}

.page-privacy .pp-sec:first-child {
  border-top: none;
}

.page-privacy .pp-sec__head {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 26px 0 20px;
  cursor: pointer;
  list-style: none;
  transition: color .2s ease;
}

.page-privacy .pp-sec__head::-webkit-details-marker {
  display: none;
}

.page-privacy .pp-sec__head:hover .pp-sec__title {
  color: var(--blue);
}

.page-privacy .pp-sec__num {
  flex: none;
  padding-top: 5px;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--purple);
}

.page-privacy .pp-sec__title {
  flex: 1 1 auto;
  margin: 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 3.1vw, 25px);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--stardust);
  transition: color .2s ease;
}

.page-privacy .pp-sec__chev {
  position: relative;
  flex: none;
  width: 22px;
  height: 22px;
  margin-top: 4px;
  border: 1px solid var(--pp-line);
  border-radius: 50%;
  transition: border-color .25s ease, background .25s ease;
}

.page-privacy .pp-sec__chev::before,
.page-privacy .pp-sec__chev::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  width: 9px;
  height: 1.5px;
  border-radius: 2px;
  background: var(--mist);
  transform: translate(-50%, -50%);
  transition: opacity .22s ease, transform .22s ease, background .22s ease;
}

.page-privacy .pp-sec__chev::after {
  transform: translate(-50%, -50%) rotate(90deg);
}

.page-privacy .pp-sec[open] .pp-sec__chev {
  border-color: rgba(123, 63, 242, .7);
  background: rgba(123, 63, 242, .16);
}

.page-privacy .pp-sec[open] .pp-sec__chev::before,
.page-privacy .pp-sec[open] .pp-sec__chev::after {
  background: var(--stardust);
}

.page-privacy .pp-sec[open] .pp-sec__chev::after {
  opacity: 0;
  transform: translate(-50%, -50%) rotate(90deg) scaleX(.2);
}

.page-privacy .pp-sec__body {
  padding: 0 0 34px;
}

.page-privacy .pp-sec[open] .pp-sec__body {
  animation: pp-unfold .34s ease both;
}

@keyframes pp-unfold {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: none; }
}

/* ---------- 正文元素 ---------- */

.page-privacy .pp-sec__body > p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--mist);
}

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

.page-privacy .pp-callout {
  margin: 22px 0 0;
  padding: 16px 18px 16px 20px;
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: rgba(255, 138, 61, .09);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--stardust);
}

/* 场景清单 */

.page-privacy .pp-scenes {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .pp-scene {
  padding: 16px 18px;
  border: var(--border-print);
  border-radius: var(--radius);
  background: rgba(16, 36, 58, .44);
}

.page-privacy .pp-scene__term {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 7px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  color: var(--stardust);
}

.page-privacy .pp-scene__term::before {
  content: "";
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 10px rgba(77, 255, 166, .65);
}

.page-privacy .pp-scene__desc {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* 用途清单 */

.page-privacy .pp-uses {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-use {
  position: relative;
  padding: 18px 0 18px 26px;
  border-top: 1px solid var(--pp-line);
}

.page-privacy .pp-use:first-child {
  border-top: none;
  padding-top: 6px;
}

.page-privacy .pp-use::before {
  content: "";
  position: absolute;
  left: 0;
  top: 24px;
  width: 9px;
  height: 9px;
  border-radius: 2px;
  background: var(--grad-brand);
}

.page-privacy .pp-use:first-child::before {
  top: 12px;
}

.page-privacy .pp-use__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16.5px;
  line-height: 1.5;
  color: var(--stardust);
}

.page-privacy .pp-use__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* 联络方式清单 */

.page-privacy .pp-ways {
  margin: 6px 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .pp-way {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid rgba(47, 182, 255, .26);
  border-radius: var(--radius);
  background: linear-gradient(120deg, rgba(47, 182, 255, .10), rgba(123, 63, 242, .07));
}

.page-privacy .pp-way__mark {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 26px;
  height: 26px;
  border-radius: 50%;
  border: 1px solid rgba(255, 209, 102, .5);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
}

.page-privacy .pp-way__text {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
  word-break: break-word;
}

.page-privacy .pp-way__text strong {
  display: inline-block;
  margin-right: 4px;
  color: var(--stardust);
  font-weight: 700;
}

/* ---------- 文末入口 ---------- */

.page-privacy .pp-cta {
  position: relative;
  overflow: hidden;
  margin-top: 46px;
  padding: 30px 24px 32px;
  border: 1px solid rgba(255, 209, 102, .3);
  border-radius: var(--radius-lg);
  background:
    radial-gradient(130% 130% at 100% 0%, rgba(58, 15, 42, .92), transparent 72%),
    linear-gradient(180deg, rgba(16, 36, 58, .94), rgba(11, 10, 31, .94));
}

.page-privacy .pp-cta::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: var(--grad-edge);
}

.page-privacy .pp-cta__eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--green);
}

.page-privacy .pp-cta__title {
  margin: 12px 0 0;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 3.2vw, 24px);
  line-height: 1.4;
  letter-spacing: -.01em;
  color: var(--stardust);
}

.page-privacy .pp-cta__text {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

.page-privacy .pp-cta__actions .tt-btn {
  text-decoration: none;
}

/* ---------- 平板与桌面 ---------- */

@media (min-width: 760px) {
  .page-privacy .pp-hero {
    padding: 32px 0 52px;
  }

  .page-privacy .pp-title {
    letter-spacing: -.025em;
  }

  .page-privacy .pp-sec__head {
    padding: 30px 0 22px;
  }

  .page-privacy .pp-cta {
    padding: 36px 32px 38px;
  }
}

@media (min-width: 1040px) {
  .page-privacy .pp-layout {
    grid-template-columns: minmax(0, var(--pp-measure)) 196px;
    justify-content: center;
    gap: 68px;
    padding-top: 68px;
    padding-bottom: 96px;
  }

  .page-privacy .pp-toc {
    order: 0;
    position: sticky;
    top: 96px;
    align-self: start;
  }

  .page-privacy .pp-sec__body {
    padding-right: 8px;
  }

  .page-privacy .pp-banner {
    margin-top: 44px;
  }
}

@media (min-width: 1240px) {
  .page-privacy .pp-layout {
    gap: 84px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-sec[open] .pp-sec__body {
    animation: none;
  }

  .page-privacy .pp-sec__chev,
  .page-privacy .pp-sec__chev::before,
  .page-privacy .pp-sec__chev::after,
  .page-privacy .pp-toc__link,
  .page-privacy .pp-sec__title {
    transition: none;
  }
}