.page-privacy {
  background: var(--ink);
  color: var(--paper);
  padding-bottom: 112px;
}

/* 顶部阅读进度线 */
.page-privacy .pp-readbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  height: 2px;
  z-index: 60;
  pointer-events: none;
}
.page-privacy .pp-readbar > span {
  display: block;
  width: 100%;
  height: 100%;
  background: var(--orange);
  transform-origin: 0 50%;
  transform: scaleX(0);
}
@supports (animation-timeline: scroll()) {
  .page-privacy .pp-readbar > span {
    transform: none;
    animation: pp-read linear both;
    animation-timeline: scroll(root block);
  }
}
@keyframes pp-read {
  from { scale: 0 1; }
  to { scale: 1 1; }
}

@media (min-width: 1000px) {
  .page-privacy .pp-readbar { left: var(--rail); }
}

/* 页头 */
.page-privacy .crumbs {
  padding: 96px 0 0;
}

.page-privacy .pp-head {
  padding: 34px 0 40px;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-head__annot {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: var(--t-12);
  letter-spacing: 0.28em;
  color: var(--ice);
}

.page-privacy .pp-head__title {
  margin: 0 0 22px;
  font-size: clamp(40px, 8vw, 96px);
  font-weight: 900;
  line-height: 0.94;
  letter-spacing: -0.04em;
  color: var(--paper);
}

.page-privacy .pp-head__lead {
  margin: 0;
  max-width: 62ch;
  font-size: var(--t-18);
  line-height: 1.8;
  color: var(--sunk);
}

/* 顶部横向氛围图 */
.page-privacy .pp-band {
  margin: 40px 0 0;
  width: 100%;
}
.page-privacy .pp-band img {
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  display: block;
}

/* 双栏：目录 + 正文 */
.page-privacy .pp-body {
  margin-top: 48px;
}

@media (min-width: 1000px) {
  .page-privacy .pp-body {
    display: grid;
    grid-template-columns: 180px minmax(0, 1fr);
    gap: 72px;
    align-items: start;
  }
}

/* 目录 */
.page-privacy .pp-toc {
  margin-bottom: 44px;
}

.page-privacy .pp-toc__head {
  margin: 0 0 14px;
  font-size: var(--t-12);
  letter-spacing: 0.28em;
  color: var(--silver);
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-privacy .pp-toc__link {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 10px;
  padding: 11px 0 11px 12px;
  border-left: 2px solid var(--line);
  border-bottom: 1px solid var(--line);
  color: var(--silver);
  font-size: var(--t-14);
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.18s ease, border-color 0.18s ease, background 0.18s ease;
}

.page-privacy .pp-toc__n {
  font-size: var(--t-12);
  color: var(--ice);
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--orange);
  background: rgba(255, 106, 19, 0.07);
}

.page-privacy .pp-toc__link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

@media (min-width: 1000px) {
  .page-privacy .pp-toc {
    position: sticky;
    top: 96px;
    margin-bottom: 0;
  }
}

/* 正文容器 */
.page-privacy .pp-doc {
  max-width: 68ch;
}

.page-privacy .pp-intro {
  margin: 0 0 8px;
  padding-bottom: 26px;
  border-bottom: 1px solid var(--line-2);
  font-size: var(--t-18);
  line-height: 1.8;
  color: var(--paper);
}

/* 章节 */
.page-privacy .pp-sec {
  border-bottom: 1px solid var(--line);
  padding: 0;
}

.page-privacy .pp-sec__sum {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 0 16px;
  padding: 30px 0 20px;
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .pp-sec__sum::marker {
  content: "";
}

.page-privacy .pp-sec__index {
  font-size: clamp(30px, 4.4vw, 52px);
  line-height: 0.9;
  letter-spacing: -0.02em;
  color: var(--orange);
}

.page-privacy .pp-sec__title {
  font-size: clamp(19px, 2.2vw, 30px);
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .pp-sec__sum::after {
  content: "＋";
  font-size: var(--t-18);
  line-height: 1;
  color: var(--silver);
  transition: color 0.18s ease, transform 0.18s ease;
}

.page-privacy .pp-sec[open] > .pp-sec__sum::after {
  color: var(--orange);
}

.page-privacy .pp-sec__sum:hover::after,
.page-privacy .pp-sec__sum:focus-visible::after {
  color: var(--paper);
}

.page-privacy .pp-sec__sum:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 4px;
}

.page-privacy .pp-sec__body {
  padding-bottom: 26px;
}

.page-privacy .pp-sub {
  margin: 26px 0 10px;
  padding-left: 14px;
  border-left: 2px solid var(--ice);
  font-size: var(--t-18);
  font-weight: 700;
  line-height: 1.5;
  color: var(--paper);
}

.page-privacy .pp-sec__body p {
  margin: 0 0 16px;
  font-size: var(--t-18);
  line-height: 1.8;
  color: var(--paper);
}

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

.page-privacy .pp-mark {
  border-bottom: 1px solid var(--ice);
  color: var(--paper);
}

.page-privacy .pp-link {
  color: var(--ice);
  text-decoration: none;
  border-bottom: 1px solid rgba(124, 210, 230, 0.5);
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .pp-link:hover,
.page-privacy .pp-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--orange);
}

.page-privacy .pp-link:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 2px;
}

.page-privacy .pp-sec__body .mono {
  color: var(--paper);
  word-break: break-all;
}

.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 24px;
  margin-bottom: 14px;
  font-size: var(--t-18);
  line-height: 1.8;
  color: var(--paper);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.92em;
  width: 12px;
  height: 1px;
  background: var(--ice);
}

/* 延伸阅读 */
.page-privacy .pp-more {
  margin-top: 56px;
  padding: 28px 0 0;
  border-top: 1px solid var(--line-2);
}

.page-privacy .pp-more__title {
  margin: 0 0 18px;
  font-size: var(--t-12);
  letter-spacing: 0.28em;
  color: var(--silver);
}

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

.page-privacy .pp-more__list li {
  border-left: 2px solid var(--line);
  padding-left: 16px;
}

.page-privacy .pp-more__list a {
  color: var(--paper);
  font-size: var(--t-14);
  line-height: 1.6;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .pp-more__list a:hover,
.page-privacy .pp-more__list a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}

.page-privacy .pp-more__list a:focus-visible {
  outline: 2px solid var(--orange);
  outline-offset: 3px;
}

@media (min-width: 760px) {
  .page-privacy .pp-more__list {
    grid-template-columns: 1fr 1fr;
    gap: 16px 32px;
  }
}

/* 移动端收束 */
@media (max-width: 600px) {
  .page-privacy {
    padding-bottom: 80px;
  }
  .page-privacy .crumbs {
    padding-top: 76px;
  }
  .page-privacy .pp-head {
    padding: 24px 0 30px;
  }
  .page-privacy .pp-head__lead,
  .page-privacy .pp-sec__body p,
  .page-privacy .pp-list li {
    font-size: var(--t-18);
  }
  .page-privacy .pp-sec__sum {
    gap: 0 12px;
    padding: 24px 0 16px;
  }
  .page-privacy .pp-body {
    margin-top: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-readbar > span {
    animation: none;
    transform: scaleX(0);
  }
  .page-privacy .pp-toc__link,
  .page-privacy .pp-sec__sum::after,
  .page-privacy .pp-link,
  .page-privacy .pp-more__list a {
    transition: none;
  }
}