.page-privacy {
  --pp-glow-cyan: rgba(43, 232, 213, 0.13);
  --pp-glow-violet: rgba(138, 92, 255, 0.15);
}

/* ============ 首屏 ============ */
.page-privacy .pp-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(22px, 5vw, 44px) 0 clamp(30px, 5vw, 54px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 10% -12%, var(--pp-glow-violet) 0%, transparent 58%),
    radial-gradient(95% 80% at 94% 2%, var(--pp-glow-cyan) 0%, transparent 56%);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  opacity: 0.75;
  background-image:
    linear-gradient(to right, var(--line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--line-soft) 1px, transparent 1px);
  background-size: 68px 68px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 86%);
  mask-image: linear-gradient(to bottom, #000 0%, transparent 86%);
}

.page-privacy .pp-hero h1 {
  margin: 14px 0 0;
  max-width: 17em;
  font-family: var(--font-display);
  font-size: clamp(30px, 6.2vw, 64px);
  font-weight: 900;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-privacy .pp-hero h1 em {
  font-style: normal;
  color: var(--cyan);
}

.page-privacy .pp-hero .lede {
  margin-top: 18px;
  max-width: 40em;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .pp-hero-meta {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 1px;
  margin-top: clamp(24px, 4vw, 38px);
  border: 1px solid var(--line);
  background: var(--line);
}

.page-privacy .pp-metric {
  min-width: 0;
  padding: 16px 18px;
  background: var(--panel-deep);
}

.page-privacy .pp-metric b {
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: clamp(21px, 3vw, 28px);
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}

.page-privacy .pp-metric--safe b {
  color: var(--lime);
}

.page-privacy .pp-metric span {
  display: block;
  margin-top: 7px;
  font-size: 13px;
  line-height: 1.55;
  color: var(--mist);
}

.page-privacy .pp-hero-media {
  margin: clamp(26px, 4vw, 42px) 0 0;
  aspect-ratio: 4 / 3;
  overflow: hidden;
  border: 1px solid var(--line-cyan);
  background: var(--midnight);
  clip-path: polygon(0 0, calc(100% - 26px) 0, 100% 26px, 100% 100%, 0 100%);
}

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

/* ============ 主体栅格 ============ */
.page-privacy .pp-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 46px);
  padding: clamp(30px, 5vw, 58px) 0 clamp(56px, 9vw, 104px);
}

/* ============ 章节导航 ============ */
.page-privacy .pp-toc {
  order: -1;
  min-width: 0;
}

.page-privacy .pp-toc-inner {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  padding: 4px;
  border: 1px solid var(--line);
  background: var(--panel);
  scrollbar-width: none;
}

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

.page-privacy .pp-toc-title {
  display: none;
}

.page-privacy .pp-toc-list {
  display: flex;
  gap: 4px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-toc-list a {
  display: block;
  padding: 9px 14px;
  white-space: nowrap;
  font-size: 14px;
  color: var(--mist);
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-privacy .pp-toc-list a:hover,
.page-privacy .pp-toc-list a:focus-visible {
  color: var(--cyan);
  background: rgba(43, 232, 213, 0.08);
}

.page-privacy .pp-toc-num {
  margin-right: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--violet);
}

/* ============ 正文 ============ */
.page-privacy .pp-article {
  min-width: 0;
}

.page-privacy .pp-sec {
  scroll-margin-top: 110px;
  margin-top: clamp(28px, 4vw, 42px);
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--line-soft);
}

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

.page-privacy .pp-sec h2 {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-size: clamp(21px, 3vw, 30px);
  font-weight: 800;
  line-height: 1.24;
  color: var(--ice);
}

.page-privacy .pp-num {
  flex: none;
  padding: 3px 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--void);
  background: var(--cyan);
  clip-path: polygon(0 0, 100% 0, 100% 68%, calc(100% - 8px) 100%, 0 100%);
}

.page-privacy .pp-article p {
  max-width: 40em;
  margin: 0 0 14px;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.8;
  color: var(--ice);
}

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

.page-privacy .pp-article ul {
  max-width: 40em;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-article li {
  position: relative;
  padding-left: 20px;
  margin-top: 11px;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.8;
  color: var(--ice);
}

.page-privacy .pp-article li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.82em;
  width: 7px;
  height: 7px;
  background: var(--violet);
  transform: translateY(-50%) rotate(45deg);
}

.page-privacy .pp-article strong {
  font-weight: 700;
  color: var(--cyan);
}

/* 等宽摘要行 */
.page-privacy .pp-note {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 10px;
  max-width: 40em;
  margin-top: 22px;
  padding: 12px 16px;
  border-left: 3px solid var(--cyan);
  background: rgba(43, 232, 213, 0.06);
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  font-variant-numeric: tabular-nums;
}

.page-privacy .pp-note span {
  color: var(--cyan);
  font-weight: 700;
}

/* 浅青雾反转阅读块 */
.page-privacy .pp-mint {
  max-width: 42em;
  margin-top: 20px;
  padding: clamp(20px, 3vw, 30px);
  color: var(--void);
  background:
    linear-gradient(135deg, rgba(43, 232, 213, 0.28) 0%, rgba(255, 255, 255, 0) 62%),
    var(--mint);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
}

.page-privacy .pp-mint ul {
  max-width: none;
  margin: 0;
}

.page-privacy .pp-mint li {
  color: var(--void);
  margin-top: 12px;
}

.page-privacy .pp-mint li:first-child {
  margin-top: 0;
}

.page-privacy .pp-mint li::before {
  background: var(--magenta);
}

.page-privacy .pp-mint strong {
  color: var(--void);
  font-weight: 700;
}

/* 折叠条款细节 */
.page-privacy .pp-fold {
  max-width: 42em;
  margin-top: 18px;
  border: 1px solid var(--line);
  background: var(--midnight);
}

.page-privacy .pp-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 15px;
  font-weight: 600;
  color: var(--ice);
}

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

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

.page-privacy .pp-fold[open] > summary {
  color: var(--cyan);
}

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

.page-privacy .pp-fold-body {
  padding: 14px 16px 16px;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .pp-fold-body p {
  max-width: none;
  margin: 0 0 10px;
  font-size: 15px;
  color: var(--mist);
}

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

/* 页尾指引卡 */
.page-privacy .pp-cta {
  max-width: 42em;
  margin-top: clamp(28px, 4vw, 40px);
  padding: clamp(20px, 3vw, 28px);
  border: 1px solid var(--line);
  background: linear-gradient(120deg, rgba(138, 92, 255, 0.14), rgba(43, 232, 213, 0.06));
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
}

.page-privacy .pp-cta-label {
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-privacy .pp-cta-links {
  display: grid;
  gap: 10px;
  margin-top: 14px;
}

.page-privacy .pp-cta-links a {
  font-size: 15px;
  line-height: 1.6;
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .pp-cta-links a:hover,
.page-privacy .pp-cta-links a:focus-visible {
  color: var(--ice);
  border-bottom-color: var(--cyan);
}

/* ============ 桌面布局 ============ */
@media (min-width: 720px) {
  .page-privacy .pp-hero-media {
    aspect-ratio: 8 / 3;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pp-body {
    grid-template-columns: minmax(0, 1fr) 264px;
    gap: clamp(34px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .pp-toc {
    order: 0;
    position: sticky;
    top: 104px;
  }

  .page-privacy .pp-toc-inner {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding: 18px 16px;
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 20px), calc(100% - 20px) 100%, 0 100%);
  }

  .page-privacy .pp-toc-title {
    display: block;
    margin: 0 0 14px;
    padding-bottom: 10px;
    border-bottom: 1px solid var(--line);
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.16em;
    color: var(--mist);
  }

  .page-privacy .pp-toc-list {
    flex-direction: column;
    gap: 2px;
  }

  .page-privacy .pp-toc-list a {
    padding: 8px 10px;
    white-space: normal;
    border-left: 2px solid transparent;
    line-height: 1.5;
  }

  .page-privacy .pp-toc-list a:hover,
  .page-privacy .pp-toc-list a:focus-visible {
    border-left-color: var(--cyan);
  }
}

/* ============ reduced motion ============ */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc-list a,
  .page-privacy .pp-cta-links a {
    transition: none;
  }
}