.page-privacy {
  --pp-rule: rgba(28, 36, 48, 0.14);
  --pp-dot: rgba(28, 36, 48, 0.09);
  --pp-sheet: #fbf9f3;
  overflow-x: clip;
  background: var(--deep-space);
}

/* 首屏 */
.page-privacy .pp-hero {
  position: relative;
  padding: clamp(2.25rem, 6vw, 4.25rem) 0 clamp(2.5rem, 7vw, 4.75rem);
  background:
    radial-gradient(120% 90% at 90% 4%, rgba(49, 230, 214, 0.14), transparent 62%),
    radial-gradient(80% 70% at 0% 100%, rgba(255, 154, 61, 0.12), transparent 66%),
    var(--deep-space);
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  inset: clamp(0.75rem, 2vw, 1.5rem);
  border: 1px solid rgba(201, 214, 227, 0.18);
  pointer-events: none;
}

.page-privacy .pp-hero-inner {
  position: relative;
  z-index: 1;
}

.page-privacy .crumbs {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-privacy .crumbs a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid rgba(201, 214, 227, 0.3);
}

.page-privacy .crumbs a:hover {
  color: var(--signal-cyan);
  border-bottom-color: var(--signal-cyan);
}

.page-privacy .crumb-sep {
  margin: 0 0.4rem;
  color: rgba(201, 214, 227, 0.55);
}

.page-privacy .pp-hero-split {
  display: grid;
  gap: clamp(1.75rem, 4vw, 3rem);
  margin-top: clamp(1.65rem, 3.5vw, 2.75rem);
}

.page-privacy .pp-hero .eyebrow {
  display: inline-block;
  color: var(--signal-cyan);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  border-left: 2px solid var(--compass-amber);
  padding-left: 0.6rem;
}

.page-privacy .pp-hero h1 {
  margin: 0.85rem 0 0;
  font-family: var(--font-display);
  font-size: clamp(2.2rem, 9vw, 4.2rem);
  line-height: 1.04;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}

.page-privacy .pp-lead {
  margin: 1rem 0 0;
  max-width: 44ch;
  font-size: clamp(1rem, 2.4vw, 1.09rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .pp-hero-meta {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 0.45rem 1.4rem;
  margin: 1.6rem 0 0;
  padding: 0.95rem 0 0;
  border-top: 1px solid var(--line-soft);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-privacy .pp-hero-meta li {
  position: relative;
  padding-left: 0.85rem;
}

.page-privacy .pp-hero-meta li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.5em;
  width: 6px;
  height: 1px;
  background: var(--compass-amber);
}

.page-privacy .pp-hero-figure {
  position: relative;
  margin: 0;
  padding: 0.5rem;
  border: 1px solid rgba(201, 214, 227, 0.24);
  background: rgba(13, 43, 69, 0.65);
}

.page-privacy .pp-hero-figure::before {
  content: "";
  position: absolute;
  top: -1px;
  left: -1px;
  width: 40px;
  height: 40px;
  border-top: 2px solid var(--compass-amber);
  border-left: 2px solid var(--compass-amber);
}

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

/* 阅读区 */
.page-privacy .pp-read {
  position: relative;
  color: var(--graphite);
  background-color: var(--paper);
  background-image: radial-gradient(var(--pp-dot) 1px, transparent 1px);
  background-size: 20px 20px;
  padding: clamp(2rem, 5vw, 3.75rem) 0 clamp(3rem, 7vw, 5.5rem);
}

.page-privacy .pp-read-shell {
  display: grid;
  gap: clamp(1.5rem, 4vw, 2.5rem);
}

/* 目录 */
.page-privacy .pp-toc {
  border-top: 2px solid var(--graphite);
  padding-top: 0.9rem;
}

.page-privacy .pp-toc-title {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink-soft);
}

.page-privacy .pp-toc-list {
  display: flex;
  gap: 0.2rem;
  overflow-x: auto;
  padding-bottom: 0.4rem;
  scrollbar-width: thin;
}

.page-privacy .pp-toc-list .chapter-link {
  display: inline-flex;
  align-items: baseline;
  gap: 0.45rem;
  flex: 0 0 auto;
  white-space: nowrap;
  padding: 0.5rem 0.7rem;
  border-left: 2px solid transparent;
  color: var(--ink-soft);
  font-size: 0.9rem;
  text-decoration: none;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .pp-toc-list .chapter-link:hover {
  color: var(--link-teal);
  border-left-color: rgba(28, 36, 48, 0.28);
}

.page-privacy .pp-toc-list .chapter-link[data-active="true"] {
  color: var(--link-teal);
  border-left-color: var(--compass-amber);
  background: rgba(255, 154, 61, 0.14);
  font-weight: 600;
}

.page-privacy .pp-toc-num {
  font-size: 0.72rem;
  letter-spacing: 0.08em;
  color: var(--compass-amber);
}

.page-privacy .pp-toc-list .chapter-link[data-active="true"] .pp-toc-num {
  color: var(--jewel-wine);
}

.page-privacy .pp-toc-note {
  margin: 0.85rem 0 0;
  font-size: 0.85rem;
  line-height: 1.7;
  color: var(--ink-soft);
  border-left: 2px solid var(--pp-rule);
  padding-left: 0.7rem;
}

/* 纸张层叠文档 */
.page-privacy .pp-doc {
  position: relative;
  padding: clamp(1.35rem, 4vw, 2.75rem);
  background: var(--pp-sheet);
  border: 1px solid var(--pp-rule);
  box-shadow:
    5px 5px 0 -1px #efeade,
    6px 6px 0 0 rgba(28, 36, 48, 0.1),
    0 20px 38px rgba(3, 11, 20, 0.07);
}

.page-privacy .pp-doc::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  bottom: 0;
  width: 4px;
  background: linear-gradient(var(--signal-cyan), var(--compass-amber));
  opacity: 0.85;
}

.page-privacy .pp-clause {
  margin-top: clamp(1.6rem, 3.6vw, 2.4rem);
  padding-top: clamp(1.6rem, 3.6vw, 2.4rem);
  border-top: 1px solid var(--pp-rule);
}

.page-privacy .pp-clause:first-of-type {
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pp-clause-head {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
}

.page-privacy .pp-num {
  flex: 0 0 auto;
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--jewel-wine);
  border: 1px solid rgba(107, 31, 58, 0.35);
  padding: 0.12rem 0.4rem;
  border-radius: var(--radius-s);
}

.page-privacy .pp-clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.2rem, 3.6vw, 1.55rem);
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--graphite);
}

.page-privacy .pp-clause .prose {
  max-width: 62ch;
}

.page-privacy .pp-clause .prose p {
  margin: 0.9rem 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-privacy .pp-clause .prose p:first-child {
  margin-top: 0.85rem;
}

.page-privacy .pp-bullets {
  list-style: none;
  margin: 0.9rem 0 0;
  padding: 0;
  display: grid;
  gap: 0.6rem;
}

.page-privacy .pp-bullets li {
  position: relative;
  padding-left: 1.15rem;
  font-size: 1rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-privacy .pp-bullets li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--signal-cyan);
}

.page-privacy .pp-bullets strong {
  color: var(--graphite);
  font-weight: 600;
}

/* 事实清单 */
.page-privacy .pp-facts {
  margin: 1.1rem 0 0;
  border-top: 1px dashed var(--pp-rule);
}

.page-privacy .pp-fact {
  display: grid;
  gap: 0.2rem;
  padding: 0.8rem 0;
  border-bottom: 1px dashed var(--pp-rule);
}

.page-privacy .pp-fact dt {
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.1em;
  color: var(--link-teal);
}

.page-privacy .pp-fact dd {
  margin: 0;
  font-size: 0.97rem;
  line-height: 1.78;
  color: var(--ink-soft);
}

/* 联系面板 */
.page-privacy .pp-contact {
  position: relative;
  margin-top: 1.15rem;
  padding: clamp(1.15rem, 3.5vw, 1.75rem);
  background: var(--jewel-teal);
  color: var(--paper);
  border-radius: var(--radius-s);
}

.page-privacy .pp-contact::after {
  content: "";
  position: absolute;
  inset: 6px;
  border: 1px solid rgba(244, 241, 232, 0.24);
  pointer-events: none;
}

.page-privacy .pp-contact-list {
  position: relative;
  z-index: 1;
  margin: 0;
  display: grid;
  gap: 0.75rem;
}

.page-privacy .pp-contact-list dt {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: rgba(244, 241, 232, 0.72);
}

.page-privacy .pp-contact-list dd {
  margin: 0.15rem 0 0;
  font-size: 1rem;
  line-height: 1.6;
  word-break: break-word;
}

.page-privacy .pp-contact-list a {
  color: var(--signal-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(49, 230, 214, 0.45);
}

.page-privacy .pp-contact-list a:hover {
  color: var(--paper);
  border-bottom-color: var(--compass-amber);
}

.page-privacy .pp-contact-note {
  position: relative;
  z-index: 1;
  margin: 1.1rem 0 0;
  padding-top: 0.85rem;
  border-top: 1px solid rgba(244, 241, 232, 0.24);
  font-size: 0.87rem;
  line-height: 1.75;
  color: rgba(244, 241, 232, 0.86);
}

/* 文档页脚 */
.page-privacy .pp-doc-foot {
  margin-top: clamp(1.6rem, 3.6vw, 2.4rem);
  padding-top: 1rem;
  border-top: 2px solid var(--graphite);
}

.page-privacy .pp-doc-foot p {
  margin: 0;
  font-size: 0.9rem;
  line-height: 1.8;
  color: var(--ink-soft);
}

.page-privacy .pp-doc-foot a {
  color: var(--link-teal);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 72, 71, 0.35);
  margin: 0 0.2rem;
}

.page-privacy .pp-doc-foot a:hover {
  color: var(--jewel-wine);
  border-bottom-color: var(--jewel-wine);
}

@media (min-width: 640px) {
  .page-privacy .pp-fact {
    grid-template-columns: 8.5rem minmax(0, 1fr);
    gap: 1rem;
    align-items: start;
  }

  .page-privacy .pp-fact dt {
    padding-top: 0.15rem;
  }

  .page-privacy .pp-contact-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 1rem 1.5rem;
  }
}

@media (min-width: 900px) {
  .page-privacy .pp-hero-split {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    align-items: end;
  }

  .page-privacy .pp-doc {
    box-shadow:
      12px 12px 0 -1px #efeade,
      13px 13px 0 0 rgba(28, 36, 48, 0.1),
      0 24px 44px rgba(3, 11, 20, 0.08);
  }
}

@media (min-width: 980px) {
  .page-privacy .pp-read-shell {
    grid-template-columns: 214px minmax(0, 660px);
    justify-content: center;
    align-items: start;
    gap: clamp(2rem, 5vw, 4rem);
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--header-h) + 2rem);
    align-self: start;
  }

  .page-privacy .pp-toc-list {
    display: grid;
    gap: 0.1rem;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pp-toc-list .chapter-link {
    white-space: normal;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc-list .chapter-link {
    transition: none;
  }
}