.page-privacy {
  --pp-toc-w: 236px;
  --pp-gap: 32px;
  --pp-line: 1px solid var(--line);
  background: var(--snow);
  color: var(--ink);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  background: var(--ink);
  color: var(--paper);
  overflow: hidden;
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(143, 227, 242, 0.13) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(143, 227, 242, 0.13) 1px, transparent 1px);
  background-size: 46px 46px;
  pointer-events: none;
}

.page-privacy .pp-hero__inner {
  position: relative;
  padding-block: clamp(30px, 6vw, 64px) clamp(30px, 5vw, 56px);
}

.page-privacy .pp-hero .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  margin-bottom: clamp(20px, 4vw, 36px);
}

.page-privacy .pp-hero .crumbs__link {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-privacy .pp-hero .crumbs__link:hover,
.page-privacy .pp-hero .crumbs__link:focus-visible {
  border-bottom-color: var(--ice);
}

.page-privacy .pp-hero .crumbs__sep,
.page-privacy .pp-hero .crumbs__current {
  color: var(--grey);
}

.page-privacy .pp-kicker {
  display: flex;
  align-items: center;
  gap: 10px;
  margin: 0 0 14px;
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--ice);
}

.page-privacy .pp-mono {
  font-family: var(--mono);
  letter-spacing: 0.04em;
}

.page-privacy .pp-title {
  margin: 0;
  font-size: clamp(44px, 11vw, 104px);
  line-height: 0.98;
  letter-spacing: 0.06em;
  font-weight: 800;
}

.page-privacy .pp-lede {
  max-width: 62ch;
  margin: clamp(18px, 3vw, 28px) 0 0;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.8;
  color: rgba(233, 242, 244, 0.82);
}

.page-privacy .pp-meta {
  list-style: none;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 12px 0;
}

.page-privacy .pp-meta li {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-right: 18px;
  margin-right: 18px;
  border-right: 1px solid var(--grid);
  font-size: 13px;
  line-height: 1.5;
}

.page-privacy .pp-meta li:last-child {
  border-right: 0;
  margin-right: 0;
  padding-right: 0;
}

.page-privacy .pp-meta .pp-mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--amber);
}

.page-privacy .pp-meta em {
  font-style: normal;
  color: rgba(233, 242, 244, 0.72);
}

.page-privacy .pp-hero__line {
  height: 3px;
  background: linear-gradient(90deg, var(--amber) 0 168px, var(--grid) 168px 100%);
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .pp-banner {
  margin: 0;
  background: var(--ink-2);
  line-height: 0;
}

.page-privacy .pp-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-height: 240px;
  object-fit: cover;
  object-position: center;
}

/* ---------- 布局 ---------- */
.page-privacy .pp-layout {
  display: grid;
  gap: var(--pp-gap);
  padding-block: clamp(28px, 5vw, 48px) clamp(48px, 8vw, 88px);
}

/* ---------- 目录 ---------- */
.page-privacy .pp-toc {
  border: var(--pp-line);
  background: var(--paper);
  padding: 18px 18px 16px;
}

.page-privacy .pp-toc__ttl {
  margin: 0 0 12px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--text-mute);
}

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

.page-privacy .pp-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px 8px 10px;
  color: var(--ink);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.4;
  border-left: 3px solid transparent;
  transition: background-color 160ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .pp-toc__list a:hover,
.page-privacy .pp-toc__list a:focus-visible {
  background: var(--snow);
  border-left-color: var(--ice);
}

.page-privacy .pp-toc__list a:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 1px;
}

.page-privacy .pp-toc__n {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-privacy .pp-toc__ver {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: var(--pp-line);
  font-size: 12px;
  color: var(--text-mute);
  line-height: 1.6;
}

.page-privacy .pp-toc__ver .pp-mono {
  color: var(--amber-deep);
  font-weight: 700;
}

/* ---------- 正文 ---------- */
.page-privacy .pp-body {
  min-width: 0;
}

.page-privacy .policy-section {
  scroll-margin-top: calc(var(--bar-h) + 20px);
  padding-block: clamp(26px, 4vw, 38px);
  border-top: var(--pp-line);
  transition: box-shadow 200ms var(--ease), padding-left 200ms var(--ease);
}

.page-privacy .policy-section:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .policy-section:target {
  box-shadow: inset 3px 0 0 var(--amber);
  padding-left: 16px;
}

.page-privacy .policy-section h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  font-size: clamp(22px, 4.4vw, 30px);
  line-height: 1.25;
  letter-spacing: 0.05em;
  font-weight: 800;
}

.page-privacy .pp-num {
  font-family: var(--mono);
  font-size: 0.56em;
  font-weight: 400;
  letter-spacing: 0;
  color: var(--cyan);
  flex: none;
}

.page-privacy .policy-section p {
  max-width: 70ch;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--ink);
}

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

.page-privacy .pp-facts {
  max-width: 70ch;
  margin: 18px 0;
  padding: 0;
  border-top: var(--pp-line);
}

.page-privacy .pp-facts dt {
  margin-top: 14px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan);
}

.page-privacy .pp-facts dd {
  margin: 6px 0 0;
  padding-bottom: 14px;
  border-bottom: var(--pp-line);
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}

.page-privacy .pp-facts--contact dt {
  color: var(--amber-deep);
}

.page-privacy .pp-facts--contact dd {
  font-family: var(--mono);
  font-size: 15px;
  letter-spacing: 0.01em;
}

.page-privacy .pp-list {
  max-width: 70ch;
  margin: 14px 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
  font-size: 16px;
  line-height: 1.75;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .pp-list strong {
  font-weight: 700;
}

.page-privacy .pp-list--num {
  counter-reset: ppl;
}

.page-privacy .pp-list--num li {
  padding-left: 26px;
  counter-increment: ppl;
}

.page-privacy .pp-list--num li::before {
  content: "";
  top: 11px;
  width: 12px;
}

/* ---------- 折叠条款 ---------- */
.page-privacy .pp-fold {
  max-width: 70ch;
  margin: 18px 0 0;
  border: var(--pp-line);
  background: var(--paper);
}

.page-privacy .pp-fold summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  cursor: pointer;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  list-style: none;
}

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

.page-privacy .pp-fold summary:hover {
  background: var(--snow);
}

.page-privacy .pp-fold summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: -2px;
}

.page-privacy .pp-fold__i {
  position: relative;
  flex: none;
  width: 14px;
  height: 14px;
}

.page-privacy .pp-fold__i::before,
.page-privacy .pp-fold__i::after {
  content: "";
  position: absolute;
  background: var(--cyan);
}

.page-privacy .pp-fold__i::before {
  left: 0;
  top: 6px;
  width: 14px;
  height: 2px;
}

.page-privacy .pp-fold__i::after {
  left: 6px;
  top: 0;
  width: 2px;
  height: 14px;
  transition: opacity 160ms var(--ease);
}

.page-privacy .pp-fold[open] .pp-fold__i::after {
  opacity: 0;
}

.page-privacy .pp-fold__body {
  padding: 4px 16px 16px;
  border-top: var(--pp-line);
}

.page-privacy .pp-fold__body p {
  font-size: 15px;
  color: var(--ink-2);
}

.page-privacy .pp-fold__body .pp-list li {
  font-size: 15px;
}

/* ---------- 信息流示意 ---------- */
.page-privacy .pp-flow {
  margin: 26px 0 0;
  padding: 18px 16px 14px;
  border: var(--pp-line);
  background: var(--paper);
  overflow-x: auto;
}

.page-privacy .pp-flow svg {
  display: block;
  width: 100%;
  min-width: 470px;
  height: auto;
}

.page-privacy .pp-flow text {
  font-family: var(--mono);
  letter-spacing: 0.02em;
}

.page-privacy .pp-flow figcaption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--text-mute);
}

/* ---------- 底部动作 ---------- */
.page-privacy .pp-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin-top: 22px;
  padding-top: 20px;
  border-top: var(--pp-line);
}

.page-privacy .pp-back {
  font-family: var(--mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-mute);
  text-decoration: none;
  border-bottom: 1px solid var(--line);
  padding-bottom: 2px;
}

.page-privacy .pp-back:hover,
.page-privacy .pp-back:focus-visible {
  color: var(--amber-deep);
  border-bottom-color: var(--amber);
}

/* ---------- 桌面 ---------- */
@media (min-width: 720px) {
  .page-privacy .pp-banner img {
    max-height: 300px;
  }

  .page-privacy .pp-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 8px;
  }
}

@media (min-width: 960px) {
  .page-privacy .pp-layout {
    grid-template-columns: var(--pp-toc-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 64px);
    align-items: start;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
    padding: 20px 16px 18px;
  }

  .page-privacy .pp-toc__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-privacy .pp-banner img {
    max-height: 320px;
  }

  .page-privacy .pp-flow {
    padding: 22px 22px 16px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .pp-body {
    padding-right: 32px;
  }
}

/* ---------- 减弱动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__list a,
  .page-privacy .policy-section,
  .page-privacy .pp-fold__i::after {
    transition: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy {
    background: #FFFFFF;
  }

  .page-privacy .pp-toc,
  .page-privacy .pp-banner,
  .page-privacy .pp-actions,
  .page-privacy .pp-hero::before,
  .page-privacy .pp-flow {
    display: none !important;
  }

  .page-privacy .pp-hero {
    background: #FFFFFF;
    color: #000000;
  }

  .page-privacy .pp-hero .crumbs,
  .page-privacy .pp-kicker,
  .page-privacy .pp-meta {
    color: #000000;
  }

  .page-privacy .pp-title {
    font-size: 28pt;
    color: #000000;
  }

  .page-privacy .pp-lede,
  .page-privacy .pp-hero .crumbs__link,
  .page-privacy .pp-meta em,
  .page-privacy .pp-meta .pp-mono {
    color: #000000;
  }

  .page-privacy .pp-hero__line {
    background: #000000;
    height: 1px;
  }

  .page-privacy .pp-layout {
    display: block;
    padding-block: 12pt;
  }

  .page-privacy .policy-section {
    box-shadow: none !important;
    padding-left: 0 !important;
    page-break-inside: avoid;
  }

  .page-privacy .pp-fold {
    border: 0;
  }

  .page-privacy .pp-fold summary {
    display: none;
  }

  .page-privacy .pp-fold__body {
    display: block;
    border-top: 0;
    padding-left: 0;
    padding-right: 0;
  }
}