.page-privacy {
  --pp-measure: 68ch;
  --pp-index-w: 194px;
  background: var(--c-dusk);
  color: var(--c-ink);
}

/* ---------- 页头 ---------- */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-bottom: var(--hairline);
}

.page-privacy .pp-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .pp-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.4;
}

.page-privacy .pp-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 100% 0%, rgba(46, 158, 126, 0.20), transparent 62%),
    linear-gradient(180deg, rgba(14, 27, 46, 0.55) 0%, rgba(14, 27, 46, 0.88) 60%, var(--c-dusk) 100%);
}

.page-privacy .pp-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(48px, 9vw, 112px);
  padding-bottom: clamp(40px, 7vw, 84px);
}

.page-privacy .breadcrumb {
  margin-bottom: 28px;
}

.page-privacy .pp-hero__eyebrow {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-signal);
}

.page-privacy .pp-hero__title {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(38px, 8vw, 76px);
  line-height: 1.05;
  letter-spacing: 0.06em;
  color: var(--c-ink);
}

.page-privacy .pp-hero__lead {
  max-width: 62ch;
  margin: 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--c-silver);
}

/* ---------- 版面骨架 ---------- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  max-width: 1080px;
  margin-inline: auto;
  padding-top: clamp(28px, 5vw, 64px);
  padding-bottom: clamp(56px, 8vw, 108px);
}

.page-privacy .pp-body {
  min-width: 0;
}

/* ---------- 章节索引 ---------- */
.page-privacy .pp-index__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-privacy .pp-index__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  border-left: 0;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pp-index__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .pp-index__link {
  display: flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 8px;
  padding: 7px 12px;
  font-size: 14px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--c-mist);
  text-decoration: none;
  border: 1px solid var(--c-line);
  border-radius: 2px;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pp-index__link .num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-signal);
}

.page-privacy .pp-index__link:hover,
.page-privacy .pp-index__link:focus-visible {
  color: var(--c-ink);
  border-color: var(--c-signal);
}

/* ---------- 章节 ---------- */
.page-privacy .pp-section {
  padding: clamp(30px, 4.6vw, 54px) 0;
  border-top: var(--hairline);
  scroll-margin-top: 96px;
}

.page-privacy .pp-body > .pp-section:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pp-body > .pp-section:last-child {
  padding-bottom: 0;
}

.page-privacy .pp-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 22px;
}

.page-privacy .pp-section__no {
  flex: 0 0 auto;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-signal);
}

.page-privacy .pp-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 400;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1.3;
  letter-spacing: 0.04em;
  color: var(--c-ink);
}

/* ---------- 正文 ---------- */
.page-privacy .pp-prose {
  max-width: var(--pp-measure);
  font-size: 17px;
  line-height: 1.9;
  color: var(--c-ink);
}

.page-privacy .pp-prose p {
  margin: 0 0 20px;
}

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

.page-privacy .pp-prose--tail {
  margin-top: 26px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-silver);
}

.page-privacy .pp-prose a {
  color: var(--c-grass-soft);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

.page-privacy .pp-prose a:hover {
  color: var(--c-signal-soft);
}

/* ---------- 信息分类列表 ---------- */
.page-privacy .pp-list {
  margin: 26px 0 0;
  padding: 0;
  max-width: var(--pp-measure);
}

.page-privacy .pp-list__row {
  padding: 18px 0;
  border-bottom: var(--hairline);
}

.page-privacy .pp-list__row:first-child {
  border-top: var(--hairline);
}

.page-privacy .pp-list dt {
  margin-bottom: 7px;
  font-family: var(--font-display);
  font-size: 15px;
  letter-spacing: 0.06em;
  color: var(--c-signal-soft);
}

.page-privacy .pp-list dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-ink);
}

/* ---------- 用途列表 ---------- */
.page-privacy .pp-uses {
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--pp-measure);
}

.page-privacy .pp-uses li {
  position: relative;
  padding-left: 22px;
  margin-bottom: 16px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-ink);
}

.page-privacy .pp-uses li:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-uses li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 10px;
  height: 1px;
  background: var(--c-signal);
}

.page-privacy .pp-uses strong {
  font-weight: 500;
  color: var(--c-signal-soft);
}

/* ---------- 保存期限 ---------- */
.page-privacy .pp-terms {
  margin: 24px 0 24px;
  padding: 0;
  list-style: none;
  max-width: var(--pp-measure);
}

.page-privacy .pp-terms li {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  padding: 12px 0;
  border-bottom: var(--hairline);
}

.page-privacy .pp-terms li:first-child {
  border-top: var(--hairline);
}

.page-privacy .pp-terms__label {
  flex: 1 1 auto;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-silver);
}

.page-privacy .pp-terms__val {
  flex: 0 0 auto;
  font-size: 15px;
  letter-spacing: 0.04em;
  color: var(--c-grass-soft);
}

/* ---------- 权益提示块 ---------- */
.page-privacy .pp-callout {
  max-width: var(--pp-measure);
  margin: 26px 0 0;
  padding: 18px 22px;
  background: var(--c-stand);
  border-left: 3px solid var(--c-grass);
}

.page-privacy .pp-callout p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-ink);
}

.page-privacy .pp-callout a {
  color: var(--c-grass-soft);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .pp-callout a:hover {
  color: var(--c-signal-soft);
}

/* ---------- 权利折叠条目 ---------- */
.page-privacy .pp-rights {
  margin: 28px 0 0;
  max-width: var(--pp-measure);
  border-top: var(--hairline);
}

.page-privacy .pp-fold {
  border-bottom: var(--hairline);
}

.page-privacy .pp-fold > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 16px 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-display);
  font-size: 17px;
  letter-spacing: 0.04em;
  color: var(--c-ink);
  transition: color var(--dur) var(--ease);
}

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

.page-privacy .pp-fold > summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--c-signal);
}

.page-privacy .pp-fold[open] > summary::after {
  content: "\2212";
}

.page-privacy .pp-fold > summary:hover,
.page-privacy .pp-fold > summary:focus-visible {
  color: var(--c-signal-soft);
}

.page-privacy .pp-fold__body {
  padding: 0 0 18px;
  max-width: 66ch;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-silver);
}

.page-privacy .pp-fold__body p {
  margin: 0;
}

/* ---------- 联系方式 ---------- */
.page-privacy .pp-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 18px;
  max-width: var(--pp-measure);
  margin: 28px 0 0;
  padding: 22px 24px;
  background: var(--c-stand);
  border: var(--hairline);
}

.page-privacy .pp-contact dt {
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-privacy .pp-contact dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--c-ink);
  overflow-wrap: break-word;
  word-break: break-word;
}

/* ---------- 回到页首 ---------- */
.page-privacy .pp-totop {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 36px;
  padding: 10px 18px;
  font-family: var(--font-display);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--c-silver);
  text-decoration: none;
  background: transparent;
  border: var(--hairline);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pp-totop:hover,
.page-privacy .pp-totop:focus-visible {
  color: var(--c-signal);
  border-color: var(--c-signal);
}

/* ---------- 窄屏适配 ---------- */
@media (max-width: 480px) {
  .page-privacy .pp-prose,
  .page-privacy .pp-list,
  .page-privacy .pp-uses,
  .page-privacy .pp-terms,
  .page-privacy .pp-callout,
  .page-privacy .pp-rights,
  .page-privacy .pp-contact {
    max-width: 100%;
  }

  .page-privacy .pp-prose {
    font-size: 16px;
    line-height: 1.85;
  }

  .page-privacy .pp-prose--tail,
  .page-privacy .pp-fold__body,
  .page-privacy .pp-callout p,
  .page-privacy .pp-terms__label,
  .page-privacy .pp-terms__val,
  .page-privacy .pp-contact dd {
    font-size: 14px;
  }

  .page-privacy .pp-terms li {
    gap: 12px;
  }

  .page-privacy .pp-contact {
    padding: 18px 16px;
  }

  .page-privacy .pp-totop {
    width: 100%;
    justify-content: center;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 960px) {
  .page-privacy .pp-layout {
    grid-template-columns: var(--pp-index-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
    align-items: start;
  }

  .page-privacy .pp-index {
    position: sticky;
    top: 96px;
    align-self: start;
    padding-top: 6px;
  }

  .page-privacy .pp-index__list {
    display: block;
    gap: 0;
    padding: 0;
    overflow: visible;
    border-left: 1px solid var(--c-line);
  }

  .page-privacy .pp-index__link {
    flex: none;
    display: flex;
    padding: 9px 0 9px 15px;
    margin-left: -1px;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
  }

  .page-privacy .pp-index__link:hover,
  .page-privacy .pp-index__link:focus-visible {
    border-color: transparent;
    border-left-color: var(--c-signal);
  }

  .page-privacy .pp-contact {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 24px;
  }

  .page-privacy .pp-section {
    scroll-margin-top: 112px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-index__link,
  .page-privacy .pp-fold > summary,
  .page-privacy .pp-totop,
  .page-privacy .pp-prose a,
  .page-privacy .pp-callout a {
    transition: none;
  }
}