.page-privacy {
  --pv-read: 36em;
  --pv-gap: clamp(1.25rem, 3vw, 2.5rem);
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--hair);
  background:
    linear-gradient(158deg, rgba(19, 88, 255, .07) 0%, rgba(19, 88, 255, 0) 52%),
    linear-gradient(22deg, rgba(46, 110, 96, .09) 0%, rgba(46, 110, 96, 0) 46%),
    var(--paper);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset-inline-end: -12%;
  inset-block-start: -28%;
  width: 48%;
  aspect-ratio: 1;
  border-radius: 50%;
  background: radial-gradient(circle at 50% 50%, rgba(46, 110, 96, .14), transparent 68%);
  pointer-events: none;
}

.page-privacy .pv-hero-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  align-items: center;
  gap: 2rem;
  padding-block: clamp(2rem, 6vw, 3.5rem) clamp(1.75rem, 5vw, 3rem);
}

@media (min-width: 900px) {
  .page-privacy .pv-hero-grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, .92fr);
    gap: clamp(2rem, 5vw, 4rem);
    padding-block: clamp(2.5rem, 6vw, 4.5rem) clamp(2.25rem, 5vw, 4rem);
  }
}

.page-privacy .pv-hero-copy {
  max-width: 42rem;
}

.page-privacy .pv-hero-copy .breadcrumbs {
  margin-bottom: 1.35rem;
}

.page-privacy .pv-kicker {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: .7rem;
  margin: 0 0 1.1rem;
}

.page-privacy .pv-kicker-mono {
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--brick);
}

.page-privacy h1 {
  margin: 0 0 1.1rem;
  max-width: 15em;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.85rem, 5vw, 3.3rem);
  line-height: 1.12;
  letter-spacing: .012em;
  color: var(--ink);
}

.page-privacy .lede {
  margin: 0;
  max-width: 40em;
  font-size: clamp(.975rem, 1.6vw, 1.0625rem);
  line-height: 1.85;
  color: rgba(14, 17, 20, .82);
}

.page-privacy .pv-hero-art {
  position: relative;
}

.page-privacy .pv-hero-art img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--hair);
  background: var(--paper);
  filter: saturate(.82) contrast(1.03);
}

.page-privacy .pv-hero-seal {
  position: absolute;
  inset-block-end: clamp(-.9rem, -1.6vw, -1.4rem);
  inset-inline-start: clamp(-1rem, -1.8vw, -1.6rem);
  width: clamp(3.5rem, 6vw, 5.25rem);
  height: clamp(3.5rem, 6vw, 5.25rem);
  border: 1px solid var(--brick);
  border-radius: 50%;
  opacity: .45;
  pointer-events: none;
}

.page-privacy .pv-hero-seal::after {
  content: "";
  position: absolute;
  inset: 22%;
  border: 1px solid var(--brick);
  border-radius: 50%;
}

/* ---------- 正文骨架：粘性目录 + 条款流 ---------- */

.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pv-gap);
  padding-block: clamp(2rem, 5vw, 3.25rem) clamp(3rem, 7vw, 5rem);
  align-items: start;
}

@media (min-width: 1040px) {
  .page-privacy .pv-body {
    grid-template-columns: 15.5rem minmax(0, 1fr);
    gap: clamp(2.25rem, 5vw, 4.5rem);
  }
}

.page-privacy .pv-aside {
  display: none;
}

@media (min-width: 1040px) {
  .page-privacy .pv-aside {
    display: block;
    position: sticky;
    top: 5.5rem;
    align-self: start;
  }
}

.page-privacy .pv-aside .toc {
  padding-block: 1rem 1.2rem;
  border-top: 1px solid var(--hair);
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pv-aside .toc-title {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .16em;
  color: var(--brick);
}

.page-privacy .pv-aside .toc-list {
  display: flex;
  flex-direction: column;
  gap: .12rem;
}

.page-privacy .pv-aside .toc-link {
  display: flex;
  align-items: baseline;
  gap: .6rem;
  padding-block: .4rem;
  font-size: .875rem;
  line-height: 1.5;
  color: var(--brick);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-privacy .pv-aside .toc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: .6875rem;
  letter-spacing: .08em;
  color: var(--hair);
  transition: color var(--dur) var(--ease);
}

.page-privacy .pv-aside .toc-link.is-active,
.page-privacy .pv-aside .toc-link:hover {
  color: var(--blue);
}

.page-privacy .pv-aside .toc-link.is-active .toc-num,
.page-privacy .pv-aside .toc-link:hover .toc-num {
  color: var(--blue);
}

.page-privacy .pv-stream {
  min-width: 0;
}

/* ---------- 条款折叠块 ---------- */

.page-privacy .pv-fold {
  position: relative;
  border-top: 1px solid var(--hair);
  padding-block: clamp(1.35rem, 3vw, 2.1rem);
}

.page-privacy .pv-fold::before {
  content: "";
  position: absolute;
  inset-block-start: -1px;
  inset-inline-start: 0;
  width: 5.5rem;
  height: 6px;
  background-image: repeating-linear-gradient(
    90deg,
    var(--brick) 0,
    var(--brick) 1px,
    transparent 1px,
    transparent 11px
  );
  opacity: .5;
  pointer-events: none;
}

.page-privacy .pv-fold:last-of-type {
  border-bottom: 1px solid var(--hair);
}

.page-privacy .pv-fold-head {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  padding-block: .3rem;
  cursor: pointer;
  list-style: none;
}

.page-privacy .pv-fold-head::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-fold-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: .8125rem;
  letter-spacing: .14em;
  color: var(--blue);
}

.page-privacy .pv-fold-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.2rem, 2.6vw, 1.6rem);
  line-height: 1.32;
  letter-spacing: .012em;
  color: var(--ink);
}

.page-privacy .pv-fold-mark {
  position: relative;
  flex: none;
  align-self: center;
  margin-inline-start: auto;
  width: 1rem;
  height: 1rem;
}

.page-privacy .pv-fold-mark::before,
.page-privacy .pv-fold-mark::after {
  content: "";
  position: absolute;
  background: var(--blue);
  transition: transform var(--dur) var(--ease), opacity var(--dur) var(--ease);
}

.page-privacy .pv-fold-mark::before {
  inset-block-start: calc(50% - .5px);
  inset-inline: 0;
  height: 1px;
}

.page-privacy .pv-fold-mark::after {
  inset-inline-start: calc(50% - .5px);
  inset-block: 0;
  width: 1px;
}

.page-privacy .pv-fold[open] .pv-fold-mark::after {
  transform: scaleY(0);
  opacity: 0;
}

.page-privacy .pv-fold-body {
  padding-block-start: 1.15rem;
  counter-reset: pvline;
}

.page-privacy .pv-fold-body > p {
  counter-increment: pvline;
  position: relative;
  margin: 0 0 1.05rem;
  padding-inline-start: 2.5em;
  max-width: calc(var(--pv-read) + 2.5em);
  font-size: 1rem;
  line-height: 1.9;
  color: var(--ink);
}

.page-privacy .pv-fold-body > p::before {
  content: counter(pvline, decimal-leading-zero);
  position: absolute;
  inset-inline-start: 0;
  inset-block-start: .5em;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--brick);
  opacity: .78;
}

.page-privacy .pv-fold-body > p:last-child {
  margin-block-end: 0;
}

.page-privacy .pv-fold-body .link-inline {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(19, 88, 255, .35);
}

.page-privacy .pv-fold-body .link-inline:hover {
  border-bottom-color: var(--blue);
}

/* ---------- 联系方式块 ---------- */

.page-privacy .pv-contact {
  margin-block: 1.35rem 1.15rem;
  max-width: calc(var(--pv-read) + 2.5em);
  padding: 1rem 1.15rem;
  border: 1px solid var(--hair);
  border-inline-start: 3px solid var(--blue);
  background: linear-gradient(90deg, rgba(19, 88, 255, .055), rgba(19, 88, 255, .015));
}

.page-privacy .pv-contact-row {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: .3rem 1rem;
  padding-block: .42rem;
  border-bottom: 1px dashed var(--hair);
}

.page-privacy .pv-contact-row:last-child {
  border-bottom: 0;
  padding-block-end: .1rem;
}

.page-privacy .pv-contact-key {
  flex: none;
  min-width: 5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--brick);
}

.page-privacy .pv-contact-val {
  font-family: var(--font-mono);
  font-size: .9375rem;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--ink);
  overflow-wrap: anywhere;
}

/* ---------- 落款 ---------- */

.page-privacy .pv-footnote {
  margin-top: clamp(2rem, 4vw, 3rem);
  padding: 1.2rem 1.25rem;
  border: 1px solid var(--hair);
  border-inline-start: 3px solid var(--orange);
  background: rgba(63, 68, 74, .035);
  max-width: calc(var(--pv-read) + 2.5em);
}

.page-privacy .pv-footnote .mono {
  margin: 0 0 .5rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--brick);
}

.page-privacy .pv-footnote .note {
  margin: 0;
  font-size: .875rem;
  line-height: 1.75;
  color: rgba(14, 17, 20, .72);
}

/* ---------- 窄屏收敛 ---------- */

@media (max-width: 560px) {
  .page-privacy .pv-fold-body > p {
    padding-inline-start: 2.1em;
  }

  .page-privacy .pv-contact,
  .page-privacy .pv-footnote,
  .page-privacy .pv-fold-body > p {
    max-width: 100%;
  }

  .page-privacy .pv-fold-title {
    font-size: 1.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-fold-mark::before,
  .page-privacy .pv-fold-mark::after,
  .page-privacy .pv-aside .toc-link,
  .page-privacy .pv-aside .toc-num {
    transition: none;
  }
}