.page-privacy {
  --pv-measure: 68ch;
  --pv-side: 240px;
  --pv-line: 1px solid var(--ink-500);
  background: var(--ink-900);
  color: var(--mist);
  padding-bottom: clamp(48px, 6vw, 96px);
}

/* 阅读进度 */
.page-privacy .page-privacy__progress {
  position: fixed;
  left: 0;
  right: 0;
  top: 0;
  z-index: 40;
  height: 3px;
  background: rgba(30, 58, 86, 0.55);
  pointer-events: none;
}
.page-privacy .page-privacy__progress .fh-progress__bar {
  height: 100%;
  width: 0;
  background: var(--cyan-pulse);
  box-shadow: 0 0 10px rgba(53, 229, 210, 0.55);
  transition: width 0.12s linear;
}

/* 标题区 */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(22px, 3.4vw, 44px) 0 clamp(26px, 4vw, 48px);
  border-bottom: var(--pv-line);
}
.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: -12% -6% auto -6%;
  height: 130%;
  background-image:
    linear-gradient(to right, rgba(30, 58, 86, 0.85) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 58, 86, 0.85) 1px, transparent 1px);
  background-size: 120px 120px;
  transform: skewY(var(--fh-slice)) translateY(-18px);
  opacity: 0.55;
  pointer-events: none;
}
.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
}
.page-privacy .pv-hero__title {
  margin: 14px 0 0;
  max-width: 22ch;
  font-size: clamp(32px, 5.6vw, 62px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--mist);
}
.page-privacy .pv-hero__lede {
  max-width: 64ch;
  margin: 16px 0 0;
  color: var(--mist);
}
.page-privacy .pv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 20px;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--fog);
}
.page-privacy .pv-hero__meta span {
  position: relative;
  padding-left: 14px;
}
.page-privacy .pv-hero__meta span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  width: 6px;
  height: 6px;
  margin-top: -3px;
  background: var(--cyan-pulse);
}
.page-privacy .pv-hero__figure {
  margin: clamp(24px, 3.4vw, 42px) 0 0;
}
.page-privacy .pv-hero__figure .fh-figure__media {
  display: block;
  width: 100%;
  height: clamp(150px, 22vw, 300px);
  object-fit: cover;
  object-position: center 35%;
  max-width: 100%;
}

/* 双栏骨架 */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  padding-top: clamp(28px, 4vw, 56px);
}

/* 章节目录 */
.page-privacy .pv-toc {
  border-top: var(--pv-line);
  padding-top: 16px;
}
.page-privacy .pv-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--fog);
}
.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.page-privacy .pv-toc__item {
  margin: 0;
}
.page-privacy .pv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  border-left: 2px solid transparent;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.5;
  color: var(--fog);
  text-decoration: none;
  transition: color 0.16s var(--fh-ease), background-color 0.16s var(--fh-ease), border-color 0.16s var(--fh-ease);
}
.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--mist);
  background: rgba(30, 58, 86, 0.45);
}
.page-privacy .pv-toc__link.is-active {
  color: var(--cyan-pulse);
  border-left-color: var(--cyan-pulse);
  background: rgba(53, 229, 210, 0.07);
}
.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange-signal);
  letter-spacing: 0.04em;
}

/* 正文 */
.page-privacy .pv-doc {
  min-width: 0;
}
.page-privacy .pv-sec {
  max-width: var(--pv-measure);
  padding: clamp(22px, 3vw, 38px) 0;
  border-top: var(--pv-line);
  scroll-margin-top: 96px;
}
.page-privacy .pv-sec:first-of-type {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .pv-sec h2 {
  margin: 10px 0 0;
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--mist);
}
.page-privacy .pv-sec p {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--mist);
  overflow-wrap: break-word;
}
.page-privacy .pv-sec a {
  color: var(--cyan-pulse);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-privacy .pv-sec a:hover {
  color: var(--orange-signal);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-privacy .pv-list li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-body);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.8;
  color: var(--mist);
}
.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 2px;
  background: var(--cyan-pulse);
}
.page-privacy .pv-list strong {
  font-weight: 600;
  color: var(--mist);
}

.page-privacy .pv-list--num {
  counter-reset: pvnum;
}
.page-privacy .pv-list--num li {
  padding-left: 42px;
}
.page-privacy .pv-list--num li::before {
  counter-increment: pvnum;
  content: counter(pvnum, decimal-leading-zero);
  top: 0.2em;
  width: auto;
  height: auto;
  background: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--orange-signal);
}

/* 条目表 */
.page-privacy .pv-def {
  margin-top: 18px;
  border: 1px solid var(--ink-500);
}
.page-privacy .pv-def__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 16px;
  border-top: 1px solid var(--ink-500);
}
.page-privacy .pv-def__row:first-child {
  border-top: 0;
}
.page-privacy .pv-def__key {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--cyan-pulse);
}
.page-privacy .pv-def__val {
  font-family: var(--font-body);
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* 奶油纸提示块 */
.page-privacy .pv-callout {
  margin-top: 22px;
  padding: clamp(18px, 2.6vw, 28px);
  background: var(--paper);
  border: 1px solid var(--ink-500);
}
.page-privacy .pv-callout__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ember);
}
.page-privacy .pv-sec .pv-callout p {
  margin-top: 10px;
  color: var(--ink-black);
}
.page-privacy .pv-sec .pv-callout p:first-child {
  margin-top: 0;
}

/* 页尾快捷入口 */
.page-privacy .pv-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
  max-width: var(--pv-measure);
  margin-top: clamp(32px, 4.6vw, 60px);
  padding-top: clamp(20px, 3vw, 32px);
  border-top: var(--pv-line);
}

/* 窄屏：目录横向滚动，避免横向溢出 */
@media (max-width: 959px) {
  .page-privacy .pv-toc__list {
    flex-direction: row;
    gap: 6px;
    overflow-x: auto;
    padding-bottom: 6px;
    scrollbar-width: thin;
  }
  .page-privacy .pv-toc__item {
    flex: 0 0 auto;
  }
  .page-privacy .pv-toc__link {
    white-space: nowrap;
    border-left: 0;
    border-bottom: 2px solid transparent;
    padding: 8px 12px;
  }
  .page-privacy .pv-toc__link.is-active {
    border-left-color: transparent;
    border-bottom-color: var(--cyan-pulse);
  }
  .page-privacy .pv-hero__figure .fh-figure__media {
    height: clamp(150px, 40vw, 220px);
  }
}

/* 宽屏：目录常驻左侧 */
@media (min-width: 960px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-side) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 84px);
    align-items: start;
  }
  .page-privacy .pv-side {
    position: sticky;
    top: 104px;
  }
  .page-privacy .pv-def__row {
    grid-template-columns: 168px minmax(0, 1fr);
    gap: 18px;
    padding: 15px 18px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .page-privacy__progress .fh-progress__bar,
  .page-privacy .pv-toc__link {
    transition: none;
  }
  .page-privacy .pv-hero::before {
    transform: none;
  }
}