.page-privacy {
  --pp-measure: 42em;
  position: relative;
  overflow-x: hidden;
  padding: 1.75rem 0 4.5rem;
  background: var(--night);
  color: var(--paper);
  font-family: var(--font-sans);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(44, 36, 64, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(44, 36, 64, 0.55) 1px, transparent 1px);
  background-size: 72px 72px;
  opacity: 0.42;
  -webkit-mask-image: radial-gradient(ellipse 120% 65% at 50% 0%, #000 0%, transparent 78%);
  mask-image: radial-gradient(ellipse 120% 65% at 50% 0%, #000 0%, transparent 78%);
}

.page-privacy .pp-shell {
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--maxw);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

/* 面包屑 */
.page-privacy .breadcrumb {
  margin-bottom: 1.5rem;
}

/* 首屏 */
.page-privacy .pp-hero {
  padding-bottom: 2rem;
}

.page-privacy .pp-hero h1 {
  margin: 0.5rem 0 1.1rem;
  font-size: clamp(2rem, 6.4vw, 3.7rem);
  font-weight: 800;
  line-height: 0.98;
  letter-spacing: -0.03em;
  color: var(--paper);
}

.page-privacy .pp-hero .lede {
  max-width: 34em;
  margin: 0 0 1.75rem;
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
  line-height: 1.78;
  color: var(--ash);
}

.page-privacy .pp-meta {
  display: grid;
  gap: 0.9rem 2.5rem;
  grid-template-columns: 1fr;
  margin: 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-privacy .pp-meta > div {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.page-privacy .pp-meta dt {
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ash);
  font-weight: 500;
}

.page-privacy .pp-meta dd {
  margin: 0;
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--paper);
  overflow-wrap: anywhere;
}

@media (min-width: 720px) {
  .page-privacy .pp-meta {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* 顶部抽象视觉 */
.page-privacy .pp-visual {
  position: relative;
  margin: 2rem 0 0;
  border: 1px solid var(--line);
  border-radius: 3px;
  overflow: hidden;
  background: var(--board);
}

.page-privacy .pp-visual::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(13, 10, 24, 0) 40%, rgba(13, 10, 24, 0.68) 100%),
    radial-gradient(ellipse 70% 90% at 50% 100%, rgba(123, 92, 255, 0.14), transparent 70%);
}

.page-privacy .pp-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.88) contrast(1.05);
}

/* 主体：目录 + 条款 */
.page-privacy .pp-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2.25rem;
  margin-top: 3rem;
}

@media (min-width: 900px) {
  .page-privacy .pp-body {
    grid-template-columns: minmax(0, 220px) minmax(0, 1fr);
    gap: 4.5rem;
    align-items: start;
  }
}

/* 目录 */
.page-privacy .pp-toc {
  border-top: 1px solid var(--line);
  padding-top: 1.15rem;
}

@media (min-width: 900px) {
  .page-privacy .pp-toc {
    position: sticky;
    top: 7rem;
  }
}

.page-privacy .pp-toc__title {
  margin: 0 0 0.85rem;
  font-size: 0.68rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ash);
  font-weight: 500;
}

.page-privacy .pp-toc ol {
  display: grid;
  gap: 0.05rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-toc a {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.42rem 0;
  font-size: 0.86rem;
  line-height: 1.55;
  color: var(--ash);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .pp-toc a:hover,
.page-privacy .pp-toc a:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--violet);
}

.page-privacy .pp-toc a:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
  border-radius: 2px;
}

.page-privacy .pp-toc .num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
  color: var(--odds);
}

/* 条款章节 */
.page-privacy .pp-sections {
  min-width: 0;
}

.page-privacy .pp-section {
  position: relative;
  padding: 2.1rem 0 2.1rem;
  border-top: 1px solid var(--line);
  scroll-margin-top: 5.5rem;
}

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

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

.page-privacy .pp-section h2 {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin: 0 0 1rem;
  font-size: clamp(1.12rem, 2.2vw, 1.42rem);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.015em;
  color: var(--paper);
}

.page-privacy .pp-section h2 .num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 0.85rem;
  font-weight: 400;
  letter-spacing: 0.02em;
  color: var(--odds);
}

.page-privacy .pp-section p {
  max-width: var(--pp-measure);
  margin: 0 0 1rem;
  font-size: 0.97rem;
  line-height: 1.85;
  color: var(--ash);
}

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

.page-privacy .pp-section a {
  color: var(--violet);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .pp-section a:hover,
.page-privacy .pp-section a:focus-visible {
  color: var(--paper);
}

.page-privacy .pp-section a:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
  border-radius: 2px;
}

/* 列表 */
.page-privacy .pp-list {
  display: grid;
  gap: 0.7rem;
  max-width: var(--pp-measure);
  margin: 0 0 1rem;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--ash);
}

.page-privacy .pp-list li strong {
  color: var(--paper);
  font-weight: 600;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--violet);
  box-shadow: 0 0 0 3px rgba(123, 92, 255, 0.16);
}

/* 规格行 */
.page-privacy .pp-spec {
  display: grid;
  max-width: var(--pp-measure);
  margin: 1.1rem 0 1.25rem;
  border-top: 1px solid var(--line);
}

.page-privacy .pp-spec > div {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0.3rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

@media (min-width: 640px) {
  .page-privacy .pp-spec > div {
    grid-template-columns: 7.5rem minmax(0, 1fr);
    gap: 1.75rem;
    align-items: baseline;
  }
}

.page-privacy .pp-spec dt {
  font-size: 0.86rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .pp-spec dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--ash);
}

/* 关键条款色条 */
.page-privacy .pp-section--key {
  padding-left: 1.1rem;
}

.page-privacy .pp-section--key::before {
  content: "";
  position: absolute;
  left: 0;
  top: 2.35rem;
  bottom: 2.1rem;
  width: 3px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--odds), rgba(255, 90, 43, 0.06));
  pointer-events: none;
}

.page-privacy .pp-section--key:first-child::before {
  top: 0.35rem;
}

/* 底线区 */
.page-privacy .pp-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin-top: 3.25rem;
  padding-top: 1.25rem;
  border-top: 1px solid var(--line);
}

.page-privacy .pp-totop {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.6rem 1.05rem;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 0.8rem;
  letter-spacing: 0.06em;
  color: var(--ash);
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

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

.page-privacy .pp-totop:focus-visible {
  outline: 2px solid var(--violet);
  outline-offset: 2px;
}

.page-privacy .pp-legal {
  margin: 0;
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--ash);
}

/* 窄屏收紧 */
@media (max-width: 599px) {
  .page-privacy {
    padding-top: 1.25rem;
    padding-bottom: 3.25rem;
  }

  .page-privacy::before {
    background-size: 48px 48px;
    opacity: 0.3;
  }

  .page-privacy .pp-hero h1 {
    font-size: clamp(1.85rem, 8.6vw, 2.6rem);
  }

  .page-privacy .pp-section--key {
    padding-left: 0.85rem;
  }

  .page-privacy .pp-section--key::before {
    top: 2.1rem;
    bottom: 2.1rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc a,
  .page-privacy .pp-totop {
    transition: none;
  }
}