.page-privacy {
  background: var(--ink-void);
  color: var(--text);
  font-family: var(--font-cn);
}

.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  align-items: center;
  padding: 20px 0 8px;
  font-size: 12px;
  color: var(--muted);
  font-family: var(--font-mono);
  letter-spacing: 0.04em;
}

.page-privacy .breadcrumb a {
  color: var(--text-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--signal);
  border-bottom-color: var(--signal-deep);
}

/* ---------- 页头 ---------- */
.page-privacy .prv-hero {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  background: linear-gradient(155deg, var(--ink-deep) 0%, var(--ink-void) 78%);
}

.page-privacy .prv-hero-media {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-privacy .prv-hero-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.3;
  display: block;
  filter: saturate(0.55) contrast(1.05);
}

.page-privacy .prv-hero-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(70% 90% at 12% 0%, rgba(43, 245, 160, 0.12), transparent 62%),
    linear-gradient(to top, var(--ink-void) 4%, rgba(6, 21, 18, 0.55) 100%);
}

.page-privacy .prv-hero-inner {
  position: relative;
  display: flex;
  flex-direction: column;
  gap: 16px;
  padding: clamp(28px, 6vw, 68px) clamp(18px, 4vw, 56px) clamp(22px, 4vw, 40px);
}

.page-privacy .prv-hero-inner::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(to right, rgba(30, 66, 56, 0.55) 0 1px, transparent 1px 24px),
    repeating-linear-gradient(to bottom, rgba(30, 66, 56, 0.55) 0 1px, transparent 1px 24px);
  opacity: 0.35;
  pointer-events: none;
}

.page-privacy .prv-hero-inner > * {
  position: relative;
}

.page-privacy .prv-hero .eyebrow {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--signal);
  margin: 0;
}

.page-privacy .prv-hero h1 {
  margin: 0;
  font-size: clamp(30px, 6.4vw, 58px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 18em;
}

.page-privacy .prv-hero .lede {
  margin: 0;
  max-width: 60ch;
  font-size: clamp(14.5px, 1.6vw, 16.5px);
  line-height: 1.85;
  color: var(--text-soft);
}

.page-privacy .prv-meta {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--grid-line);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* ---------- 双区布局 ---------- */
.page-privacy .prv-layout {
  display: grid;
  gap: clamp(24px, 4vw, 48px);
  padding-block: clamp(28px, 4.5vw, 56px) clamp(44px, 6vw, 88px);
}

/* ---------- 左侧索引轨道 ---------- */
.page-privacy .prv-rail {
  border: 1px solid var(--grid-line);
  border-radius: var(--radius);
  background: var(--ink-deep);
  padding: 16px 14px;
  align-self: start;
}

.page-privacy .prv-rail-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.2em;
  color: var(--muted);
}

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

.page-privacy .prv-rail-link {
  display: grid;
  grid-template-columns: 26px 1fr;
  align-items: baseline;
  gap: 8px;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 8px 8px 0;
  color: var(--text-soft);
  font-size: 13px;
  line-height: 1.45;
  text-decoration: none;
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-privacy .prv-rail-no {
  font-size: 11px;
  color: var(--muted);
}

.page-privacy .prv-rail-link:hover,
.page-privacy .prv-rail-link:focus-visible {
  background: var(--ink-raised);
  color: var(--text);
  border-left-color: var(--signal-deep);
  outline: none;
}

.page-privacy .prv-rail-link:focus-visible {
  box-shadow: inset 0 0 0 1px var(--signal);
}

.page-privacy .prv-rail-note {
  margin: 16px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--grid-line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  word-break: break-word;
}

.page-privacy .prv-rail-note a {
  color: var(--signal);
  text-decoration: none;
  border-bottom: 1px solid var(--signal-deep);
}

.page-privacy .prv-rail-note a:hover,
.page-privacy .prv-rail-note a:focus-visible {
  color: var(--text);
}

/* 点击索引后（:target）反向高亮对应条目 */
.page-privacy:has(#sec-collect:target) .prv-rail-link[href="#sec-collect"],
.page-privacy:has(#sec-purpose:target) .prv-rail-link[href="#sec-purpose"],
.page-privacy:has(#sec-cookie:target) .prv-rail-link[href="#sec-cookie"],
.page-privacy:has(#sec-share:target) .prv-rail-link[href="#sec-share"],
.page-privacy:has(#sec-rights:target) .prv-rail-link[href="#sec-rights"],
.page-privacy:has(#sec-minor:target) .prv-rail-link[href="#sec-minor"],
.page-privacy:has(#sec-update:target) .prv-rail-link[href="#sec-update"] {
  background: rgba(43, 245, 160, 0.09);
  border-left-color: var(--signal);
  color: var(--signal);
}

/* ---------- 正文章节 ---------- */
.page-privacy .prv-body {
  min-width: 0;
}

.page-privacy .prv-sec {
  border-top: 1px solid var(--grid-line);
  scroll-margin-top: 92px;
}

.page-privacy .prv-sec:first-child {
  border-top: none;
}

.page-privacy .prv-sec > summary {
  display: grid;
  grid-template-columns: 34px 1fr 18px;
  align-items: baseline;
  gap: 10px;
  padding: 20px 0;
  cursor: pointer;
  list-style: none;
  color: var(--text);
}

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

.page-privacy .prv-sec > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 16px;
  line-height: 1;
  text-align: center;
  color: var(--signal-deep);
}

.page-privacy .prv-sec[open] > summary::after {
  content: "–";
  color: var(--signal);
}

.page-privacy .prv-sec > summary:focus-visible {
  outline: 2px solid var(--signal);
  outline-offset: 3px;
  border-radius: 4px;
}

.page-privacy .prv-num {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-privacy .prv-h {
  margin: 0;
  font-size: 19px;
  font-weight: 500;
  line-height: 1.45;
  letter-spacing: 0.01em;
}

.page-privacy .prv-sec-body {
  padding: 0 0 26px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-privacy .prv-sec-body > p {
  margin: 0 0 1.1em;
  max-width: 66ch;
}

.page-privacy .prv-sec-body strong {
  color: var(--text);
  font-weight: 600;
}

.page-privacy .prv-list {
  list-style: none;
  margin: 0 0 1.1em;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: 66ch;
}

.page-privacy .prv-list > li {
  position: relative;
  padding-left: 20px;
}

.page-privacy .prv-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 10px;
  height: 1px;
  background: var(--signal-deep);
}

.page-privacy .prv-steps {
  list-style: none;
  counter-reset: prv-step;
  margin: 0 0 1.2em;
  padding: 0;
  display: grid;
  gap: 14px;
  max-width: 68ch;
}

.page-privacy .prv-steps > li {
  counter-increment: prv-step;
  display: grid;
  grid-template-columns: 30px 1fr;
  gap: 10px;
  align-items: baseline;
}

.page-privacy .prv-steps > li::before {
  content: counter(prv-step, decimal-leading-zero);
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--amber);
  letter-spacing: 0.06em;
}

.page-privacy .prv-fine {
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
  border-top: 1px dashed var(--grid-line);
  padding-top: 12px;
  max-width: 66ch;
}

.page-privacy .prv-note {
  border-left: 2px solid var(--amber);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: var(--ink-deep);
  padding: 14px 16px;
  margin: 4px 0 0;
  max-width: 66ch;
}

.page-privacy .prv-note p {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--text-soft);
}

.page-privacy .prv-note-label {
  font-size: 10.5px;
  letter-spacing: 0.2em;
  color: var(--amber);
  margin-bottom: 8px;
}

.page-privacy .prv-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 4px 0 18px;
}

.page-privacy .prv-links .btn {
  font-size: 13px;
}

/* ---------- 平板与桌面 ---------- */
@media (min-width: 780px) {
  .page-privacy .prv-sec > summary {
    grid-template-columns: 42px 1fr 18px;
    gap: 14px;
    padding: 24px 0;
  }

  .page-privacy .prv-h {
    font-size: 20px;
  }

  .page-privacy .prv-sec-body {
    padding-left: 56px;
    padding-bottom: 32px;
    font-size: 15.5px;
  }

  .page-privacy .prv-steps > li {
    grid-template-columns: 36px 1fr;
    gap: 14px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .prv-layout {
    grid-template-columns: 220px minmax(0, 1fr);
  }

  .page-privacy .prv-rail {
    position: sticky;
    top: 96px;
    padding: 18px 16px;
  }

  .page-privacy .prv-hero-inner {
    min-height: 320px;
    justify-content: flex-end;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-rail-link {
    transition: none;
  }
}
<<<END>>>