.page-privacy {
  --pp-paper: rgba(16, 26, 51, 0.86);
  --pp-paper-edge: rgba(192, 204, 232, 0.22);
  --pp-toc-w: 268px;
  position: relative;
  padding-bottom: clamp(48px, 8vw, 96px);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  padding: clamp(26px, 5vw, 54px) 0 clamp(26px, 4vw, 46px);
  border-bottom: 1px solid var(--c-line);
  background:
    radial-gradient(120% 100% at 88% -20%, rgba(124, 92, 255, 0.22), transparent 62%),
    radial-gradient(90% 90% at -8% 4%, rgba(70, 229, 255, 0.13), transparent 58%);
  overflow: clip;
}

.page-privacy .pp-hero__inner {
  position: relative;
}

.page-privacy .sg-breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin-bottom: clamp(18px, 3vw, 30px);
  font-size: 13px;
  color: var(--c-dust);
}

.page-privacy .sg-breadcrumb__item {
  color: var(--c-dust);
  text-decoration: none;
  letter-spacing: 0.04em;
}

.page-privacy a.sg-breadcrumb__item {
  color: var(--c-electric);
  transition: color var(--dur) var(--ease);
}

.page-privacy a.sg-breadcrumb__item:hover,
.page-privacy a.sg-breadcrumb__item:focus-visible {
  color: var(--c-star);
}

.page-privacy .sg-breadcrumb__sep {
  color: rgba(154, 167, 199, 0.5);
}

.page-privacy .pp-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: center;
}

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

.page-privacy .pp-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 14px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.28em;
  color: var(--c-electric);
  text-transform: uppercase;
}

.page-privacy .pp-hero__eyebrow span {
  font-size: 9px;
  color: var(--c-nebula);
}

.page-privacy .pp-hero__title {
  margin: 0 0 16px;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(30px, 5.6vw, 52px);
  line-height: 1.15;
  letter-spacing: 0.05em;
  color: var(--c-star);
  text-shadow: 0 0 34px rgba(124, 92, 255, 0.4);
}

.page-privacy .pp-hero__intro {
  max-width: 62ch;
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-dust);
}

.page-privacy .pp-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-hero__media {
  margin: 0;
}

.page-privacy .pp-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-privacy .pp-hero__spine {
  display: none;
  position: absolute;
  right: -6px;
  top: 46px;
  writing-mode: vertical-rl;
  font-family: var(--f-mono);
  font-size: 10px;
  letter-spacing: 0.5em;
  color: rgba(70, 229, 255, 0.42);
  pointer-events: none;
  user-select: none;
}

/* ---------- 主体骨架 ---------- */
.page-privacy .pp-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
  padding-top: clamp(32px, 5vw, 58px);
}

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

.page-privacy .pp-toc__box {
  background: var(--c-glass);
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-nebula);
  border-radius: var(--r-md);
  padding: 14px 16px 16px;
  backdrop-filter: blur(6px);
}

.page-privacy .pp-toc__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  cursor: pointer;
  list-style: none;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--c-dust);
}

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

.page-privacy .pp-toc__summary::after {
  content: "+";
  font-size: 15px;
  line-height: 1;
  color: var(--c-electric);
  transition: transform var(--dur) var(--ease);
}

.page-privacy .pp-toc__box[open] .pp-toc__summary::after {
  transform: rotate(45deg);
}

.page-privacy .pp-toc__nav {
  border-top: 1px solid var(--c-line);
  margin-top: 12px;
  padding-top: 12px;
}

.page-privacy .pp-toc__list {
  display: grid;
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-toc__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 8px 8px 8px 6px;
  border-left: 2px solid transparent;
  border-radius: var(--r-sm);
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-dust);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--c-star);
  background: rgba(70, 229, 255, 0.08);
  border-left-color: var(--c-electric);
}

.page-privacy .pp-toc__idx {
  flex: none;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-electric);
}

/* ---------- 章节 ---------- */
.page-privacy .pp-body {
  display: grid;
  gap: clamp(22px, 3.4vw, 38px);
  min-width: 0;
}

.page-privacy .pp-sec {
  position: relative;
  padding: clamp(20px, 3.2vw, 38px);
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  background: var(--pp-paper);
  box-shadow:
    6px 6px 0 -1px rgba(10, 15, 30, 0.85),
    12px 12px 0 -2px rgba(10, 15, 30, 0.5);
  scroll-margin-top: calc(var(--header-h) + 22px);
}

.page-privacy .pp-sec::after {
  content: "";
  position: absolute;
  top: -1px;
  left: 10%;
  right: 10%;
  height: 1px;
  background: linear-gradient(90deg, transparent, var(--c-electric), transparent);
  opacity: 0.65;
  pointer-events: none;
}

.page-privacy .pp-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 20px;
  border-bottom: 1px dashed var(--c-line);
}

.page-privacy .pp-sec__idx {
  flex: none;
  padding: 2px 7px;
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-void);
  background: var(--c-electric);
  border-radius: var(--r-sm);
}

.page-privacy .pp-sec__title {
  margin: 0;
  font-family: var(--f-display);
  font-weight: 600;
  font-size: clamp(19px, 2.4vw, 26px);
  line-height: 1.35;
  letter-spacing: 0.04em;
  color: var(--c-star);
}

.page-privacy .pp-sec p {
  max-width: 68ch;
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--c-dust);
}

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

.page-privacy .pp-sec strong {
  color: var(--c-star);
  font-weight: 600;
}

.page-privacy .pp-sec__note {
  padding-top: 4px;
}

.page-privacy .pp-link {
  color: var(--c-electric);
  text-decoration: none;
  border-bottom: 1px solid rgba(70, 229, 255, 0.4);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

/* ---------- 列表与定义 ---------- */
.page-privacy .pp-list {
  display: grid;
  gap: 10px;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-list__item {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-dust);
}

.page-privacy .pp-list__item::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--c-nebula);
  transform: rotate(45deg);
}

.page-privacy .pp-def {
  display: grid;
  gap: 4px;
  margin: 0 0 16px;
  padding: 0;
}

.page-privacy .pp-def dt {
  font-family: var(--f-display);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.03em;
  color: var(--c-star);
}

.page-privacy .pp-def dd {
  margin: 0 0 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-dust);
}

.page-privacy .pp-def dd:last-of-type {
  margin-bottom: 0;
}

/* ---------- 联系方式 ---------- */
.page-privacy .pp-contact {
  display: grid;
  gap: 14px;
  margin: 20px 0 18px;
  padding: 18px 20px;
  border: 1px solid var(--c-line);
  border-left: 3px solid var(--c-amber);
  border-radius: var(--r-md);
  background: linear-gradient(180deg, rgba(255, 198, 92, 0.07), rgba(255, 198, 92, 0.02));
}

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

.page-privacy .pp-contact__k {
  margin: 0 0 5px;
  font-family: var(--f-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--c-amber);
}

.page-privacy .pp-contact__v {
  margin: 0;
  font-size: 15px;
  line-height: 1.6;
  color: var(--c-star);
  overflow-wrap: anywhere;
}

/* ---------- 页尾动作 ---------- */
.page-privacy .pp-footnote {
  display: flex;
  justify-content: flex-start;
  padding-bottom: 4px;
}

.page-privacy .pp-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 9px 16px;
  border: 1px solid var(--c-line);
  border-radius: 999px;
  background: rgba(70, 229, 255, 0.06);
  font-family: var(--f-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-electric);
  text-decoration: none;
  transition: color var(--dur) var(--ease), background var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pp-top:hover,
.page-privacy .pp-top:focus-visible {
  color: var(--c-void);
  background: var(--c-electric);
  border-color: var(--c-electric);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-privacy .pp-def {
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 8px 20px;
  }

  .page-privacy .pp-def dt {
    padding-top: 3px;
  }

  .page-privacy .pp-def dd {
    margin-bottom: 0;
    padding-bottom: 14px;
    border-bottom: 1px dashed rgba(192, 204, 232, 0.12);
  }

  .page-privacy .pp-def dd:last-of-type {
    padding-bottom: 0;
    border-bottom: 0;
  }

  .page-privacy .pp-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-hero__grid {
    grid-template-columns: minmax(0, 1.08fr) minmax(0, 0.82fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-privacy .pp-hero__spine {
    display: block;
  }

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

@media (min-width: 1024px) {
  .page-privacy .pp-layout {
    grid-template-columns: var(--pp-toc-w) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 64px);
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-toc__summary::after,
  .page-privacy .pp-link,
  .page-privacy .pp-top {
    transition: none;
  }
}
</PAGE_CSS>