.page-privacy {
  --privacy-gap: clamp(44px, 6vw, 88px);
  --privacy-index-w: 216px;
  background: var(--ink);
  color: var(--porcelain);
  overflow-x: clip;
}

/* ---------- 右侧阅读进度刻度 ---------- */
.page-privacy .privacy-progress {
  display: none;
}

@media (min-width: 1440px) {
  .page-privacy .privacy-progress {
    display: block;
    position: fixed;
    top: calc(var(--header-h) + 48px);
    bottom: 52px;
    right: 22px;
    width: 2px;
    background: var(--line-soft);
    border-radius: var(--r-pill);
    z-index: 4;
    pointer-events: none;
  }

  .page-privacy .privacy-progress-fill {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: inherit;
    background: linear-gradient(180deg, var(--cyan), var(--orange));
    transform: scaleY(1);
    transform-origin: top center;
  }
}

@supports (animation-timeline: scroll()) {
  @media (min-width: 1440px) {
    .page-privacy .privacy-progress-fill {
      animation: page-privacy-progress linear both;
      animation-timeline: scroll(root);
    }
  }
}

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

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-progress-fill {
    animation: none;
    transform: scaleY(1);
  }
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  min-height: 62vh;
  padding-block: calc(var(--header-h) + 68px) clamp(52px, 8vw, 92px);
  background:
    radial-gradient(120% 92% at 88% 4%, rgba(37, 242, 214, 0.11), transparent 58%),
    radial-gradient(96% 76% at 2% 100%, rgba(255, 138, 61, 0.1), transparent 62%);
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(155, 179, 192, 0.09) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(155, 179, 192, 0.09) 1px, transparent 1px);
  background-size: 88px 88px;
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.92), transparent 88%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.92), transparent 88%);
  pointer-events: none;
}

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

.page-privacy .privacy-title {
  margin-top: 20px;
  max-width: 15em;
  font-size: clamp(34px, 5.6vw, 68px);
  line-height: 1.06;
  letter-spacing: -0.02em;
}

.page-privacy .privacy-title-accent {
  display: block;
  background: linear-gradient(96deg, var(--cyan), var(--orange) 78%);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
}

@supports not ((-webkit-background-clip: text) or (background-clip: text)) {
  .page-privacy .privacy-title-accent {
    color: var(--cyan);
    -webkit-text-fill-color: currentColor;
  }
}

.page-privacy .privacy-lede {
  max-width: 640px;
  margin: 26px 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .privacy-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
  margin: 32px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 顶部示意横带 ---------- */
.page-privacy .privacy-visual {
  background: linear-gradient(180deg, var(--ink), var(--zone-teal) 62%, var(--ink));
}

.page-privacy .privacy-figure {
  margin: 0;
}

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

.page-privacy .privacy-figure-cap {
  margin-top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--mist);
  max-width: 720px;
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-doc {
  padding-block: clamp(56px, 8vw, 108px);
}

.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(36px, 5vw, 56px);
}

@media (min-width: 1024px) {
  .page-privacy .privacy-body {
    grid-template-columns: minmax(0, 680px) var(--privacy-index-w);
    justify-content: center;
    align-items: start;
    gap: clamp(48px, 6vw, 88px);
  }
}

/* ---------- 条款 ---------- */
.page-privacy .privacy-clause {
  scroll-margin-top: calc(var(--header-h) + 32px);
}

.page-privacy .privacy-clause + .privacy-clause {
  margin-top: var(--privacy-gap);
  padding-top: var(--privacy-gap);
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-clause-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .privacy-clause-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--amber);
  padding-top: 4px;
}

.page-privacy .privacy-clause-title {
  margin: 0;
  font-size: clamp(22px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--porcelain);
}

.page-privacy .privacy-text p {
  max-width: 680px;
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(244, 248, 249, 0.82);
}

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

.page-privacy .privacy-text a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--line-cyan);
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-privacy .privacy-text a:hover {
  color: var(--porcelain);
  border-bottom-color: var(--orange);
}

.page-privacy .privacy-text a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: var(--r-sm);
}

/* ---------- 折叠说明 ---------- */
.page-privacy .privacy-fold {
  margin-top: 34px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-details {
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-details summary {
  position: relative;
  padding: 18px 36px 18px 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
  color: var(--porcelain);
  cursor: pointer;
  list-style: none;
}

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

.page-privacy .privacy-details summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 50%;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: translateY(-70%) rotate(45deg);
  transition: transform 240ms var(--ease);
}

.page-privacy .privacy-details[open] summary::after {
  transform: translateY(-30%) rotate(-135deg);
}

.page-privacy .privacy-details summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
  border-radius: var(--r-sm);
}

.page-privacy .privacy-details p {
  margin: 0 0 20px;
  padding-right: 24px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(244, 248, 249, 0.72);
}

/* ---------- 条款索引 ---------- */
.page-privacy .privacy-index {
  padding: 22px 18px;
  border: 1px solid var(--line-soft);
  border-radius: var(--r-lg);
  background: var(--zone-indigo);
}

@media (min-width: 1024px) {
  .page-privacy .privacy-index {
    position: sticky;
    top: calc(var(--header-h) + 32px);
  }
}

.page-privacy .privacy-index-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
}

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

.page-privacy .privacy-index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: var(--r-sm);
  font-size: 14px;
  line-height: 1.4;
  color: rgba(244, 248, 249, 0.78);
  text-decoration: none;
  transition: background 200ms var(--ease), color 200ms var(--ease), border-color 200ms var(--ease);
}

.page-privacy .privacy-index-link:hover {
  background: rgba(37, 242, 214, 0.09);
  border-left-color: var(--cyan);
  color: var(--porcelain);
}

.page-privacy .privacy-index-link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-left-color: var(--cyan);
  color: var(--porcelain);
}

.page-privacy .privacy-index-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

/* ---------- 收束主题带 ---------- */
.page-privacy .privacy-band {
  padding-block: clamp(48px, 7vw, 80px);
}

.page-privacy .privacy-band-inner {
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-band-head {
  margin: 0 0 8px;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 700;
  line-height: 1.34;
  letter-spacing: -0.01em;
  color: var(--porcelain);
  max-width: 22em;
}

.page-privacy .privacy-band-line {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0;
}

.page-privacy .privacy-band-key {
  flex: none;
  min-width: 72px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--mist);
}

.page-privacy .privacy-band-val {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2vw, 20px);
  letter-spacing: 0.02em;
  color: var(--cyan);
  word-break: break-word;
}

.page-privacy .privacy-band-note {
  margin: 14px 0 0;
  max-width: 640px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
}

@media (min-width: 768px) {
  .page-privacy .privacy-lede {
    font-size: 18px;
  }

  .page-privacy .privacy-index {
    padding: 24px 22px;
  }

  .page-privacy .privacy-band-inner {
    grid-template-columns: auto 1fr;
    align-items: baseline;
    column-gap: 20px;
  }

  .page-privacy .privacy-band-head,
  .page-privacy .privacy-band-note {
    grid-column: 1 / -1;
  }
}
<<<END>>>