.page-privacy {
  background: var(--paper);
  color: var(--brown);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  padding: clamp(20px, 3vw, 32px) 0 clamp(36px, 6vw, 72px);
  background: var(--cream);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  top: 0;
  bottom: 0;
  left: 0;
  width: 3px;
  background: var(--cyan);
}

.page-privacy .pp-hero .breadcrumb {
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-privacy .pp-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 46px);
  align-items: end;
}

.page-privacy h1 {
  font-family: var(--font-head);
  font-size: clamp(29px, 4.6vw, 50px);
  line-height: 1.24;
  letter-spacing: -0.01em;
  color: var(--abyss);
  margin: 10px 0 18px;
  max-width: 22ch;
}

.page-privacy .pp-lede {
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--brown);
  margin: 0 0 clamp(22px, 3vw, 30px);
  max-width: 40ch;
}

.page-privacy .pp-facts {
  list-style: none;
  margin: 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px;
}

.page-privacy .pp-facts li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  font-size: 14px;
  line-height: 1.65;
}

.page-privacy .pp-fact-key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--teal);
  flex: 0 0 6.5em;
}

.page-privacy .pp-fact-val {
  color: var(--brown);
}

.page-privacy .pp-hero-figure {
  margin: 0;
  position: relative;
}

.page-privacy .pp-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 9 / 7;
  object-fit: cover;
  border-radius: var(--r-lg);
  opacity: 0.92;
}

/* ---------- 摘要与目录 ---------- */
.page-privacy .pp-brief {
  background: var(--cool);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-brief-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 52px);
  align-items: start;
}

.page-privacy .pp-brief-text {
  border-left: 3px solid var(--teal);
  padding-left: clamp(16px, 3vw, 26px);
}

.page-privacy .pp-brief-text p {
  font-size: 16px;
  line-height: 1.85;
  margin: 0 0 1.1em;
  max-width: 40ch;
}

.page-privacy .pp-brief-text p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-toc {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--cream);
  padding: 18px clamp(16px, 2.5vw, 24px) 10px;
}

.page-privacy .pp-toc-title {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--teal);
  margin: 0 0 8px;
}

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

.page-privacy .pp-toc-list li + li {
  border-top: 1px solid var(--line);
}

.page-privacy .pp-toc-link {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 11px 2px;
  font-size: 15px;
  line-height: 1.5;
  color: var(--brown);
  text-decoration: none;
  transition: color 160ms ease, padding-left 160ms ease;
}

.page-privacy .pp-toc-link:hover {
  color: var(--abyss);
  padding-left: 6px;
}

.page-privacy .pp-toc-index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--teal);
  flex: none;
}

.page-privacy .pp-toc-link:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* ---------- 单栏长文 ---------- */
.page-privacy .pp-article {
  padding: clamp(40px, 6vw, 76px) 0 clamp(52px, 8vw, 96px);
}

.page-privacy .pp-sec {
  display: grid;
  grid-template-columns: 1fr;
  gap: 8px;
  border-top: 1px solid var(--line);
  padding: clamp(24px, 3.5vw, 38px) 0 clamp(30px, 4.5vw, 50px);
}

.page-privacy .pp-sec:first-child {
  border-top: 2px solid var(--abyss);
}

.page-privacy .pp-sec-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--teal);
  margin: 0;
}

.page-privacy .pp-sec-title {
  font-family: var(--font-head);
  font-size: clamp(21px, 2.7vw, 27px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--abyss);
  margin: 0 0 14px;
}

.page-privacy .pp-sec p {
  font-size: 16.5px;
  line-height: 1.85;
  margin: 0 0 1.15em;
  max-width: 40em;
}

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

.page-privacy .pp-scene-key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.02em;
  color: var(--teal);
  display: block;
}

.page-privacy .pp-scene-list {
  list-style: none;
  margin: 0 0 1.2em;
  padding: 0;
}

.page-privacy .pp-scene-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
  font-size: 15.5px;
  line-height: 1.8;
}

.page-privacy .pp-scene-list li:last-child {
  border-bottom: 1px solid var(--line);
}

/* ---------- 等宽注记块（页面唯一视觉停顿） ---------- */
.page-privacy .pp-note-block {
  margin: clamp(22px, 3vw, 30px) 0 clamp(20px, 3vw, 26px);
  background: var(--abyss);
  color: var(--cream);
  border-radius: var(--r-md);
  border-left: 4px solid var(--cyan);
  padding: clamp(20px, 3vw, 30px);
  max-width: 44em;
}

.page-privacy .pp-note-label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-privacy .pp-note-block p {
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--cream);
  margin: 0;
  max-width: none;
}

/* ---------- 本地存储清单 ---------- */
.page-privacy .pp-store-list {
  list-style: none;
  margin: 0 0 1.3em;
  padding: 4px clamp(16px, 2.5vw, 24px);
  background: var(--cool);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
}

.page-privacy .pp-store-list li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  font-size: 15.5px;
  line-height: 1.8;
}

.page-privacy .pp-store-list li + li {
  border-top: 1px dashed var(--line);
}

/* ---------- 用途清单 ---------- */
.page-privacy .pp-use {
  border-top: 1px solid var(--line);
}

.page-privacy .pp-use:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-use summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--abyss);
}

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

.page-privacy .pp-use summary::before {
  content: "□";
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1;
  color: var(--teal);
  flex: none;
}

.page-privacy .pp-use[open] summary::before {
  content: "■";
  color: var(--orange);
}

.page-privacy .pp-use summary:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

.page-privacy .pp-use-body {
  padding: 0 0 16px 27px;
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--brown);
  max-width: 42em;
}

.page-privacy .pp-purpose-tail {
  margin-top: 1.4em;
}

/* ---------- 请求清单 ---------- */
.page-privacy .pp-choice-list {
  list-style: none;
  margin: 0 0 1.3em;
  padding: 0;
  counter-reset: pp-choice;
}

.page-privacy .pp-choice-list li {
  position: relative;
  padding: 11px 0 11px 40px;
  font-size: 15.5px;
  line-height: 1.8;
  border-top: 1px solid var(--line);
  counter-increment: pp-choice;
}

.page-privacy .pp-choice-list li:last-child {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-choice-list li::before {
  content: counter(pp-choice, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 13px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
  color: var(--teal);
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-scene-list li {
    grid-template-columns: 8.5em minmax(0, 1fr);
    gap: 0 18px;
    align-items: baseline;
  }

  .page-privacy .pp-store-list li {
    grid-template-columns: 12em minmax(0, 1fr);
    gap: 0 20px;
    align-items: baseline;
  }

  .page-privacy .pp-scene-key {
    display: inline;
  }
}

@media (min-width: 880px) {
  .page-privacy .pp-sec {
    grid-template-columns: 72px minmax(0, 1fr);
    gap: 0 32px;
  }

  .page-privacy .pp-sec-num {
    position: sticky;
    top: 104px;
    align-self: start;
    padding-top: 6px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-hero-grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.85fr);
  }

  .page-privacy .pp-brief-grid {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 0.85fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc-link {
    transition: none;
  }
}