.page-privacy {
  --pp-toc-w: 224px;
  --pp-hair: rgba(30, 58, 95, .85);
  --pp-panel-soft: rgba(16, 40, 74, .55);
  background: var(--c-void);
  color: var(--c-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

/* 面包屑 */
.page-privacy .pp-crumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 0 4px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--c-steel);
}
.page-privacy .pp-crumb a {
  color: var(--c-steel);
  text-decoration: none;
}
.page-privacy .pp-crumb a:hover,
.page-privacy .pp-crumb a:focus-visible {
  color: var(--c-cyan);
}
.page-privacy .pp-crumb [aria-current="page"] {
  color: var(--c-white);
}

/* 首屏 */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--pp-hair);
  background:
    radial-gradient(120% 140% at 88% -10%, rgba(122, 92, 255, .28), transparent 58%),
    linear-gradient(165deg, var(--c-deep) 0%, var(--c-void) 72%);
}
.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-cyan), transparent 62%);
  opacity: .7;
}
.page-privacy .pp-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 26px;
  padding: 30px 0 38px;
}
.page-privacy .pp-hero__code {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--c-cyan);
}
.page-privacy .pp-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 8vw, 52px);
  line-height: 1.08;
  letter-spacing: -.01em;
  font-weight: 800;
}
.page-privacy .pp-hero__lead {
  margin: 16px 0 0;
  max-width: 46em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-white);
}
.page-privacy .pp-hero__meta {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-steel);
  letter-spacing: .02em;
}
.page-privacy .pp-hero__media {
  margin: 0;
}
.page-privacy .pp-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--pp-hair);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  clip-path: polygon(0 4%, 100% 0, 100% 100%, 0 96%);
}

/* 主体两栏 */
.page-privacy .pp-body {
  display: grid;
  gap: 24px;
  padding: 28px 0 72px;
}

/* 目录 */
.page-privacy .pp-toc__nav {
  border: 1px solid var(--pp-hair);
  border-radius: var(--radius);
  background: var(--pp-panel-soft);
  padding: 14px 16px 16px;
}
.page-privacy .pp-toc__title {
  margin: 0 0 10px;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--c-cyan);
}
.page-privacy .pp-toc__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-privacy .pp-toc__link {
  display: block;
  padding: 7px 8px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.5;
  color: var(--c-steel);
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background-color .2s var(--ease);
}
.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--c-white);
  background: rgba(34, 224, 255, .08);
}
.page-privacy .pp-toc__link[aria-current="true"] {
  color: var(--c-cyan);
  border-left-color: var(--c-cyan);
  background: rgba(34, 224, 255, .1);
}

/* 条款正文 */
.page-privacy .pp-doc {
  min-width: 0;
}
.page-privacy .pp-clause {
  position: relative;
  padding: 26px 0 30px;
  border-top: 1px solid var(--pp-hair);
  scroll-margin-top: 92px;
}
.page-privacy .pp-clause:first-child {
  border-top: 1px solid var(--c-line);
}
.page-privacy .pp-clause:first-child::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 68px;
  height: 2px;
  background: linear-gradient(90deg, var(--c-cyan), var(--c-violet));
}
.page-privacy .pp-clause__no {
  margin: 0 0 8px;
  font-size: 12px;
  letter-spacing: .22em;
  color: var(--c-cyan);
}
.page-privacy .pp-clause__title {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-size: clamp(20px, 4.6vw, 27px);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -.005em;
}
.page-privacy .pp-doc p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--c-white);
}
.page-privacy .pp-doc p:last-child {
  margin-bottom: 0;
}
.page-privacy .pp-sub {
  margin: 22px 0 8px;
  padding-left: 12px;
  border-left: 2px solid var(--c-violet);
  font-family: var(--font-body);
  font-size: 16px;
  font-weight: 700;
  color: var(--c-white);
}
.page-privacy .pp-link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 255, .45);
}
.page-privacy .pp-link:hover,
.page-privacy .pp-link:focus-visible {
  border-bottom-color: var(--c-cyan);
}

/* 定义格 */
.page-privacy .pp-defs {
  display: grid;
  gap: 1px;
  margin: 20px 0 0;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-privacy .pp-defs__item {
  background: var(--c-deep);
  padding: 16px 16px 18px;
}
.page-privacy .pp-defs__term {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--c-orange);
}
.page-privacy .pp-defs__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--c-steel);
}

/* 用途列表 */
.page-privacy .pp-list {
  display: grid;
  gap: 18px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  counter-reset: ppuse;
}
.page-privacy .pp-list__item {
  padding-left: 18px;
  border-left: 1px solid var(--c-line);
  counter-increment: ppuse;
}
.page-privacy .pp-list__item::before {
  content: counter(ppuse, decimal-leading-zero);
  display: block;
  margin-bottom: 5px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-green);
}
.page-privacy .pp-list__key {
  margin: 0 0 5px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--c-white);
}
.page-privacy .pp-list__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-steel);
}

/* 权利清单 */
.page-privacy .pp-rights {
  display: grid;
  gap: 16px;
  margin: 20px 0 18px;
  padding: 0;
  list-style: none;
}
.page-privacy .pp-rights__item {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 12px;
  align-items: start;
  padding: 14px 0;
  border-top: 1px solid var(--pp-hair);
}
.page-privacy .pp-rights__item:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .pp-rights__no {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border: 1px solid var(--c-line);
  border-radius: 50%;
  font-size: 12px;
  color: var(--c-cyan);
}
.page-privacy .pp-rights__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-steel);
}
.page-privacy .pp-rights__item strong {
  display: inline-block;
  margin-right: 6px;
  color: var(--c-white);
}

/* 联系方式 */
.page-privacy .pp-contact {
  display: grid;
  gap: 1px;
  margin: 22px 0 16px;
  background: var(--pp-hair);
  border: 1px solid var(--pp-hair);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-privacy .pp-contact__row {
  display: grid;
  gap: 4px;
  padding: 13px 16px;
  background: var(--c-panel);
}
.page-privacy .pp-contact__key {
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--c-steel);
}
.page-privacy .pp-contact__val {
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-white);
  word-break: break-word;
}
.page-privacy .pp-note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-steel);
}

/* 相关内容 */
.page-privacy .pp-related {
  margin-top: 26px;
  padding-top: 20px;
  border-top: 1px solid var(--pp-hair);
}
.page-privacy .pp-related__title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--c-steel);
}
.page-privacy .pp-related__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}
.page-privacy .pp-chip {
  display: inline-block;
  padding: 9px 16px;
  border: 1px solid var(--c-line);
  border-radius: var(--radius);
  font-size: 14px;
  color: var(--c-white);
  text-decoration: none;
  background: var(--pp-panel-soft);
  transition: border-color .2s var(--ease), color .2s var(--ease), transform .2s var(--ease);
}
.page-privacy .pp-chip:hover,
.page-privacy .pp-chip:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
  transform: translateY(-1px);
}

/* 返回顶部 */
.page-privacy .back-to-top {
  position: fixed;
  right: 16px;
  bottom: 20px;
  z-index: 20;
}

/* 中屏：定义格转两列，目录横排 */
@media (min-width: 700px) {
  .page-privacy .pp-defs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
  .page-privacy .pp-defs--single {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-privacy .pp-contact__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
  .page-privacy .pp-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    align-items: center;
    gap: 40px;
    padding: 48px 0 54px;
  }
  .page-privacy .pp-toc__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 4px 10px;
  }
}

/* 大屏：左侧目录跟随 */
@media (min-width: 1000px) {
  .page-privacy .pp-body {
    grid-template-columns: var(--pp-toc-w) minmax(0, 1fr);
    gap: 60px;
    padding: 52px 0 96px;
  }
  .page-privacy .pp-toc__nav {
    position: sticky;
    top: 88px;
  }
  .page-privacy .pp-toc__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }
  .page-privacy .pp-hero::before {
    content: "";
    position: absolute;
    top: -30%;
    right: -6%;
    width: 46%;
    height: 170%;
    background: linear-gradient(120deg, rgba(122, 92, 255, .22), rgba(34, 224, 255, .04));
    transform: rotate(16deg);
    pointer-events: none;
  }
  .page-privacy .pp-clause {
    padding: 34px 0 40px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-chip {
    transition: none;
  }
}