.page-privacy {
  --pv-text: #C7D2EA;
  --pv-text-dim: #8A98BC;
  background: var(--qb-night);
  color: var(--qb-white);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  padding: calc(var(--qb-header-h) + 44px) 0 clamp(26px, 4.5vw, 48px);
  border-bottom: 1px solid var(--qb-line);
  background:
    radial-gradient(720px 320px at 6% -8%, rgba(34, 227, 210, .16), transparent 68%),
    radial-gradient(640px 300px at 98% 2%, rgba(255, 138, 30, .12), transparent 70%),
    var(--qb-night);
}

.page-privacy .pv-crumbs {
  margin-bottom: 22px;
}

.page-privacy .pv-hero__index {
  color: var(--qb-cyan);
  margin-bottom: 12px;
}

.page-privacy .pv-hero__title {
  margin: 0 0 14px;
  font-size: clamp(34px, 7vw, 64px);
  line-height: 1.04;
  font-weight: 900;
  letter-spacing: -.03em;
  color: var(--qb-white);
}

.page-privacy .pv-hero__lead {
  max-width: 62ch;
  margin: 0 0 26px;
  color: var(--pv-text);
}

.page-privacy .pv-hero__media {
  border: 1px solid var(--qb-line);
  border-radius: 2px;
  box-shadow: var(--qb-shadow);
  overflow: hidden;
}

/* ---------- 主体三栏 ---------- */
.page-privacy .pv-body {
  padding: clamp(30px, 5vw, 56px) 0 clamp(48px, 8vw, 96px);
}

.page-privacy .pv-rail {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 52px);
}

.page-privacy .pv-content {
  min-width: 0;
  max-width: 78ch;
}

/* ---------- 章节 ---------- */
.page-privacy .pv-sec + .pv-sec {
  margin-top: clamp(34px, 5vw, 52px);
  padding-top: clamp(34px, 5vw, 52px);
  border-top: 1px solid var(--qb-line);
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-privacy .pv-sec__num {
  font-family: var(--qb-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--qb-orange);
  padding: 3px 7px;
  border: 1px solid var(--qb-line);
  border-radius: 2px;
  flex: none;
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.28;
  font-weight: 800;
  letter-spacing: -.02em;
  color: var(--qb-white);
}

.page-privacy .pv-sec p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pv-text);
}

.page-privacy .pv-muted {
  color: var(--pv-text-dim);
  font-size: 14.5px;
}

/* ---------- 要点 ---------- */
.page-privacy .pv-points {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
}

.page-privacy .pv-points li {
  position: relative;
  padding-left: 18px;
  margin-bottom: 12px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pv-text);
}

.page-privacy .pv-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 7px;
  height: 7px;
  background: var(--qb-cyan);
  transform: translateY(-50%);
}

.page-privacy .pv-points strong {
  color: var(--qb-white);
  font-weight: 700;
}

/* ---------- 折叠补充 ---------- */
.page-privacy .pv-note {
  margin-top: 20px;
  padding: 14px 16px;
  background: var(--qb-board);
  border: 1px solid var(--qb-line);
  border-left: 2px solid var(--qb-cyan);
  border-radius: 2px;
}

.page-privacy .pv-note summary {
  cursor: pointer;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--qb-cyan);
  letter-spacing: .01em;
}

.page-privacy .pv-note summary::marker {
  color: var(--qb-cyan);
}

.page-privacy .pv-note p {
  margin: 10px 0 0;
  font-size: 14.5px;
  color: var(--pv-text);
}

/* ---------- 联系块 ---------- */
.page-privacy .pv-contact {
  margin: 22px 0 0;
  border: 1px solid var(--qb-line);
  border-radius: 2px;
  overflow: hidden;
}

.page-privacy .pv-contact__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2px;
  padding: 12px 16px;
  background: var(--qb-board);
}

.page-privacy .pv-contact__row + .pv-contact__row {
  border-top: 1px solid var(--qb-line);
}

.page-privacy .pv-contact__k {
  font-family: var(--qb-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--qb-cyan);
}

.page-privacy .pv-contact__v {
  font-size: 15px;
  font-weight: 600;
  color: var(--qb-white);
  word-break: break-word;
}

/* ---------- 数字条 ---------- */
.page-privacy .pv-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 22px;
  background: var(--qb-line);
  border: 1px solid var(--qb-line);
  border-radius: 2px;
  overflow: hidden;
}

.page-privacy .pv-strip__item {
  background: linear-gradient(160deg, var(--qb-lift), var(--qb-board));
  padding: 16px;
}

.page-privacy .pv-strip__num {
  display: block;
  font-family: var(--qb-mono);
  font-size: 30px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--qb-orange);
  line-height: 1.1;
}

.page-privacy .pv-strip__label {
  display: block;
  margin-top: 6px;
  font-size: 13px;
  color: var(--pv-text-dim);
  line-height: 1.6;
}

/* ---------- 内链 ---------- */
.page-privacy .pv-links {
  margin-top: 22px;
  font-size: 14.5px;
  color: var(--pv-text-dim);
}

.page-privacy .pv-links a {
  color: var(--qb-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 227, 210, .4);
  padding-bottom: 1px;
  transition: border-color 200ms var(--qb-speed), color 200ms var(--qb-speed);
}

.page-privacy .pv-links a:hover {
  color: var(--qb-white);
  border-color: var(--qb-white);
}

/* ---------- 目录 ---------- */
.page-privacy .pv-aside {
  min-width: 0;
}

.page-privacy .pv-aside__cap {
  margin: 0 0 10px;
}

.page-privacy .pv-toc {
  border-top: 1px solid var(--qb-line);
}

.page-privacy .pv-toc .qb-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .pv-toc .qb-toc__item + .qb-toc__item {
  border-top: 1px solid var(--qb-line);
}

.page-privacy .pv-toc .qb-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 2px;
  font-size: 14px;
  color: var(--pv-text-dim);
  text-decoration: none;
  border-left: 2px solid transparent;
  padding-left: 12px;
  transition: color 160ms var(--qb-speed), border-color 160ms var(--qb-speed), background 160ms var(--qb-speed);
}

.page-privacy .pv-toc .qb-toc__index {
  font-family: var(--qb-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--qb-cyan);
}

.page-privacy .pv-toc .qb-toc__link:hover {
  color: var(--qb-white);
  background: var(--qb-board);
}

.page-privacy .pv-toc .qb-toc__link[aria-current="true"] {
  color: var(--qb-white);
  border-left-color: var(--qb-cyan);
  background: var(--qb-board);
}

/* ---------- 中屏起 ---------- */
@media (min-width: 760px) {
  .page-privacy .pv-contact__row {
    grid-template-columns: 150px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }

  .page-privacy .pv-strip {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 桌面端：正文栏 + 固定目录 ---------- */
@media (min-width: 1080px) {
  .page-privacy .pv-rail {
    grid-template-columns: minmax(0, 1fr) 272px;
    align-items: start;
  }

  .page-privacy .pv-aside {
    position: sticky;
    top: calc(var(--qb-header-h) + 28px);
  }

  .page-privacy .pv-sec p {
    font-size: 16px;
  }
}

@media (min-width: 1360px) {
  .page-privacy .pv-content {
    max-width: 82ch;
  }
}