.page-privacy {
  --privacy-line: rgba(90, 219, 232, 0.14);
  --privacy-glow: rgba(30, 42, 90, 0.55);
  background: var(--midnight-blue);
  color: var(--text-primary);
  overflow-x: hidden;
}

/* ===== Hero ===== */
.page-privacy .privacy-hero {
  position: relative;
  padding: calc(var(--header-height) + 4.5rem) 0 3.5rem;
  background:
    radial-gradient(ellipse at 18% 28%, var(--privacy-glow), transparent 58%),
    radial-gradient(ellipse at 82% 18%, rgba(255, 106, 60, 0.07), transparent 42%),
    linear-gradient(180deg, var(--midnight-blue), var(--deep-navy));
  border-bottom: 1px solid var(--line-blue);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-blue) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-blue) 1px, transparent 1px);
  background-size: 44px 44px;
  opacity: 0.4;
  pointer-events: none;
}

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

.page-privacy .privacy-hero-topline {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 1rem;
  margin-bottom: 0.5rem;
  font-family: var(--font-accent);
  font-size: 0.72rem;
  letter-spacing: 0.12em;
  color: var(--text-secondary);
}

.page-privacy .privacy-hero-topline .privacy-breadcrumbs ol {
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-version {
  flex: 0 0 auto;
  border: 1px solid var(--line-blue);
  padding: 0.3rem 0.6rem;
  background: rgba(16, 23, 54, 0.45);
}

.page-privacy .privacy-lock-icon {
  width: 54px;
  height: 54px;
  display: grid;
  place-items: center;
  margin: 2.5rem 0 1.5rem;
  background: radial-gradient(circle at 35% 30%, rgba(90, 219, 232, 0.14), rgba(255, 106, 60, 0.05) 60%, transparent);
  border: 1px solid var(--line-blue);
  color: var(--electric-cyan);
}

.page-privacy .privacy-lock-svg {
  width: 28px;
  height: 28px;
  filter: drop-shadow(0 0 6px rgba(90, 219, 232, 0.35));
}

.page-privacy .privacy-eyebrow {
  margin: 0 0 0.75rem;
  font-family: var(--font-accent);
  font-size: 0.8rem;
  letter-spacing: 0.14em;
  color: var(--ember-orange);
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  max-width: 900px;
  font-family: var(--font-display);
  font-size: clamp(2.1rem, 4.5vw, 3.5rem);
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: 0.04em;
}

.page-privacy .privacy-lead {
  max-width: 760px;
  margin: 1.25rem 0 0;
  color: var(--text-secondary);
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.75;
}

.page-privacy .privacy-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 1.5rem;
}

.page-privacy .privacy-meta-chip {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  padding: 0.35rem 0.8rem;
  border: 1px solid var(--line-blue);
  background: rgba(16, 23, 54, 0.4);
  color: var(--text-secondary);
  font-family: var(--font-accent);
  font-size: 0.72rem;
  letter-spacing: 0.06em;
}

.page-privacy .privacy-meta-chip::before {
  content: "◇";
  color: var(--golden-amber);
  font-size: 0.55rem;
}

/* ===== TOC ===== */
.page-privacy .privacy-toc {
  position: sticky;
  top: var(--header-height);
  z-index: 30;
  padding: 0.7rem 1rem;
  border-top: 1px solid var(--line-blue);
  border-bottom: 1px solid var(--line-blue);
  background: rgba(10, 14, 31, 0.88);
  backdrop-filter: blur(10px);
}

.page-privacy .privacy-toc-inner {
  max-width: 100%;
  overflow-x: auto;
  scrollbar-width: thin;
  scrollbar-color: var(--line-blue) transparent;
}

.page-privacy .privacy-toc-list {
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0;
  list-style: none;
  min-width: max-content;
}

.page-privacy .privacy-toc-link {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.35rem 0.75rem;
  border: 1px solid var(--line-blue);
  background: rgba(16, 23, 54, 0.55);
  color: var(--text-primary);
  font-size: 0.82rem;
  white-space: nowrap;
  text-decoration: none;
  transition: border-color 0.25s, color 0.25s, background 0.25s;
}

.page-privacy .privacy-toc-link span {
  font-family: var(--font-accent);
  font-size: 0.68rem;
  color: var(--ember-orange);
}

.page-privacy .privacy-toc-link:hover,
.page-privacy .privacy-toc-link:focus-visible {
  border-color: var(--electric-cyan);
  color: var(--electric-cyan);
  background: rgba(90, 219, 232, 0.08);
}

/* ===== Layout ===== */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
  padding-top: 3rem;
  padding-bottom: 4rem;
}

.page-privacy .privacy-index {
  display: none;
}

.page-privacy .privacy-document {
  position: relative;
  max-width: 100%;
}

/* ===== Read progress ===== */
.page-privacy .privacy-readbar {
  position: sticky;
  top: calc(var(--header-height) + 48px);
  height: 2px;
  margin-bottom: 1.5rem;
  background: var(--line-blue);
  overflow: hidden;
}

.page-privacy .privacy-readbar::before {
  content: "";
  display: block;
  height: 100%;
  width: 100%;
  background: linear-gradient(90deg, var(--electric-cyan), var(--ember-orange));
  transform: scaleX(0);
  transform-origin: left center;
}

@supports (animation-timeline: scroll()) {
  .page-privacy .privacy-readbar::before {
    animation: privacy-read-progress linear both;
    animation-timeline: scroll();
    animation-range: entry 5% exit 85%;
  }
}

@keyframes privacy-read-progress {
  from {
    transform: scaleX(0);
  }
  to {
    transform: scaleX(1);
  }
}

/* ===== Clauses ===== */
.page-privacy .privacy-clause {
  position: relative;
  padding: 2.25rem 0;
  border-top: 1px solid var(--line-blue);
}

.page-privacy .privacy-clause:first-of-type {
  border-top: 0;
  padding-top: 0.5rem;
}

.page-privacy .privacy-clause::after {
  content: "§";
  position: absolute;
  top: 1.25rem;
  right: 0;
  font-family: var(--font-accent);
  font-size: 0.7rem;
  color: var(--line-blue);
  opacity: 0.6;
}

.page-privacy .privacy-clause-head {
  display: flex;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}

.page-privacy .privacy-clause-index {
  flex: 0 0 auto;
  padding-top: 0.35rem;
  font-family: var(--font-accent);
  font-size: 0.85rem;
  letter-spacing: 0.08em;
  color: var(--ember-orange);
}

.page-privacy .privacy-clause-ttl {
  min-width: 0;
}

.page-privacy .privacy-clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.4rem, 2.2vw, 1.9rem);
  font-weight: 900;
  letter-spacing: 0.04em;
}

.page-privacy .privacy-clause-sub {
  margin: 0.35rem 0 0;
  color: var(--text-secondary);
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.page-privacy .privacy-clause-body p {
  margin: 0 0 1rem;
  color: var(--text-secondary);
  line-height: 1.75;
}

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

.page-privacy .privacy-list {
  margin: 1rem 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 1.75rem;
  margin-bottom: 0.45rem;
  color: var(--text-secondary);
  line-height: 1.7;
}

.page-privacy .privacy-list li::before {
  content: "//";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-accent);
  font-size: 0.72rem;
  color: var(--electric-cyan);
  opacity: 0.75;
}

.page-privacy .privacy-detail {
  margin-top: 1.25rem;
  padding: 1rem 1.25rem;
  border: 1px solid var(--line-blue);
  border-left: 3px solid var(--electric-cyan);
  background: rgba(16, 23, 54, 0.55);
}

.page-privacy .privacy-detail summary {
  cursor: pointer;
  font-weight: 500;
  color: var(--text-primary);
}

.page-privacy .privacy-detail p {
  margin: 0.9rem 0 0;
  color: var(--text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}

/* ===== Data flow ===== */
.page-privacy .privacy-flow {
  padding: 4.5rem 0;
  border-top: 1px solid var(--line-blue);
  border-bottom: 1px solid var(--line-blue);
  background:
    radial-gradient(ellipse at 75% 40%, rgba(30, 42, 90, 0.5), transparent 62%),
    var(--deep-navy);
}

.page-privacy .privacy-flow-inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

.page-privacy .privacy-flow-index {
  display: block;
  font-family: var(--font-accent);
  font-size: 0.74rem;
  letter-spacing: 0.16em;
  color: var(--electric-cyan);
}

.page-privacy .privacy-flow-copy h2 {
  margin: 0.75rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.6vw, 2.2rem);
  font-weight: 900;
  letter-spacing: 0.04em;
}

.page-privacy .privacy-flow-copy p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.75;
}

.page-privacy .privacy-flow-visual {
  margin: 0;
}

.page-privacy .privacy-flow-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--line-blue);
  box-shadow: 0 24px 60px rgba(10, 14, 31, 0.65), 0 0 40px rgba(30, 42, 90, 0.25);
}

.page-privacy .privacy-flow figcaption {
  margin-top: 0.75rem;
  color: var(--text-secondary);
  font-family: var(--font-accent);
  font-size: 0.72rem;
  letter-spacing: 0.02em;
}

/* ===== Closing ===== */
.page-privacy .privacy-closing {
  position: relative;
  overflow: hidden;
  padding: 5rem 1rem 6rem;
}

.page-privacy .privacy-closing::before {
  content: "陪伴";
  position: absolute;
  right: 4%;
  bottom: 6%;
  font-family: var(--font-display);
  font-size: clamp(6rem, 10vw, 10rem);
  line-height: 1;
  color: transparent;
  -webkit-text-stroke: 1px rgba(42, 53, 99, 0.45);
  pointer-events: none;
  z-index: 0;
}

.page-privacy .privacy-closing-inner {
  position: relative;
  z-index: 1;
  max-width: 640px;
  margin: 0 auto;
  text-align: center;
}

.page-privacy .privacy-closing h2 {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.6rem, 3vw, 2.4rem);
  font-weight: 900;
  letter-spacing: 0.04em;
}

.page-privacy .privacy-closing p {
  margin: 0;
  color: var(--text-secondary);
  line-height: 1.75;
}

.page-privacy .privacy-closing-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  justify-content: center;
  margin-top: 2rem;
}

/* ===== Tablet ===== */
@media (min-width: 768px) {
  .page-privacy .privacy-hero {
    padding: calc(var(--header-height) + 5.5rem) 0 4rem;
  }

  .page-privacy .privacy-lock-icon {
    margin-top: 3rem;
  }

  .page-privacy .privacy-layout {
    gap: 2.5rem;
    padding-top: 4rem;
  }

  .page-privacy .privacy-flow-inner {
    grid-template-columns: minmax(240px, 0.85fr) minmax(0, 1.35fr);
    gap: 2.5rem;
    align-items: center;
  }
}

/* ===== Desktop ===== */
@media (min-width: 992px) {
  .page-privacy .privacy-toc-inner {
    display: flex;
    justify-content: center;
    overflow: visible;
  }

  .page-privacy .privacy-toc-list {
    padding: 0.35rem 0;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 3.5rem;
    max-width: 1180px;
    margin-left: auto;
    margin-right: auto;
  }

  .page-privacy .privacy-index {
    display: block;
    align-self: start;
    position: sticky;
    top: calc(var(--header-height) + 4.5rem);
    padding-top: 0.5rem;
    border-left: 1px solid var(--line-blue);
  }

  .page-privacy .privacy-index-title {
    display: block;
    padding: 0 1rem 0.75rem;
    font-family: var(--font-accent);
    font-size: 0.68rem;
    letter-spacing: 0.18em;
    color: var(--text-secondary);
  }

  .page-privacy .privacy-index-link {
    display: flex;
    align-items: baseline;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-left: 2px solid transparent;
    color: var(--text-secondary);
    font-size: 0.8rem;
    text-decoration: none;
    transition: border-color 0.25s, color 0.25s, background 0.25s;
  }

  .page-privacy .privacy-index-link span {
    font-family: var(--font-accent);
    font-size: 0.7rem;
    color: var(--ember-orange);
  }

  .page-privacy .privacy-index-link:hover,
  .page-privacy .privacy-index-link:focus-visible {
    color: var(--electric-cyan);
    border-left-color: var(--electric-cyan);
    background: linear-gradient(90deg, rgba(90, 219, 232, 0.08), transparent);
  }

  .page-privacy .privacy-document {
    max-width: 860px;
  }

  .page-privacy .privacy-clause {
    padding-left: 1.5rem;
  }

  .page-privacy .privacy-clause::before {
    content: "";
    position: absolute;
    left: 0;
    top: 2.5rem;
    bottom: 2.5rem;
    width: 2px;
    background: linear-gradient(to bottom, var(--electric-cyan), var(--line-blue) 60%, transparent);
    opacity: 0.7;
  }

  .page-privacy .privacy-flow {
    padding: 5.5rem 0;
  }

  .page-privacy .privacy-closing {
    padding: 6rem 1rem 7rem;
  }
}

/* ===== Reduced motion ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-readbar::before {
    animation: none;
    transform: scaleX(1);
  }

  .page-privacy .privacy-toc-link,
  .page-privacy .privacy-index-link {
    transition: none;
  }
}