.page-privacy {
  --privacy-measure: 62ch;
}

/* 首屏 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(28px, 4vw, 48px);
  background:
    radial-gradient(900px 420px at 78% -12%, rgba(53, 227, 224, 0.10), transparent 70%),
    radial-gradient(620px 320px at 2% 18%, rgba(242, 180, 65, 0.09), transparent 70%);
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-size: clamp(2.15rem, 5.6vw, 4.05rem);
  line-height: 1.06;
  letter-spacing: -0.022em;
  font-weight: 700;
}

.page-privacy .hero-lede {
  margin: 22px 0 0;
  max-width: 58ch;
  font-size: clamp(1rem, 1.6vw, 1.125rem);
  line-height: 1.85;
  color: var(--mist);
}

.page-privacy .privacy-hero-figure {
  margin: clamp(30px, 5vw, 52px) 0 0;
}

.page-privacy .privacy-hero-media {
  position: relative;
  overflow: hidden;
  border-radius: var(--radius);
  border: 1px solid var(--ink-600);
  aspect-ratio: 16 / 9;
}

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

.page-privacy .privacy-hero-figure .media-caption {
  margin-top: 12px;
  font-size: 0.82rem;
  line-height: 1.7;
  color: var(--mist);
  max-width: 66ch;
}

/* 主体栅格：窄栏长文 + 右侧注释轨 */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 52px);
  align-items: start;
  padding-bottom: clamp(56px, 9vw, 104px);
}

.page-privacy .privacy-rail {
  order: -1;
  min-width: 0;
  border-top: 1px solid var(--ink-600);
  padding-top: 18px;
}

.page-privacy .rail-title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--mist);
}

.page-privacy .rail-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .rail-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--ink-600);
  border-radius: 999px;
  color: var(--mist);
  font-size: 0.86rem;
  text-decoration: none;
  white-space: nowrap;
  transition: color 200ms ease, border-color 200ms ease, background-color 200ms ease;
}

.page-privacy .rail-list a:hover,
.page-privacy .rail-list a:focus-visible {
  color: var(--neon);
  border-color: var(--neon-28);
  background: var(--neon-08);
}

.page-privacy .rail-num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--amber);
}

.page-privacy .rail-note {
  display: none;
  margin: 20px 0 0;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--mist);
}

/* 正文长文 */
.page-privacy .privacy-article {
  min-width: 0;
}

.page-privacy .privacy-section {
  scroll-margin-top: 92px;
  padding-top: clamp(26px, 4vw, 42px);
  margin-top: clamp(26px, 4vw, 42px);
  border-top: 1px solid var(--ink-600);
}

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

.page-privacy .privacy-section h2 {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin: 0 0 18px;
  font-size: clamp(1.25rem, 2.5vw, 1.7rem);
  line-height: 1.3;
  letter-spacing: -0.012em;
  font-weight: 700;
}

.page-privacy .sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 500;
  color: var(--amber);
  border: 1px solid var(--amber-38);
  border-radius: 6px;
  padding: 3px 9px;
  background: var(--amber-12);
}

.page-privacy .privacy-article p {
  max-width: var(--privacy-measure);
  margin: 0 0 1.05rem;
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--text);
}

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

.page-privacy .privacy-article a {
  color: var(--neon);
  text-decoration: underline;
  text-decoration-color: var(--neon-28);
  text-underline-offset: 3px;
  transition: text-decoration-color 200ms ease;
}

.page-privacy .privacy-article a:hover,
.page-privacy .privacy-article a:focus-visible {
  text-decoration-color: var(--neon);
}

.page-privacy .privacy-article ul {
  max-width: var(--privacy-measure);
  margin: 0;
  padding-left: 1.15rem;
  list-style: none;
}

.page-privacy .privacy-article ul li {
  position: relative;
  margin-bottom: 0.55rem;
  font-size: 1rem;
  line-height: 1.75;
  color: var(--text);
}

.page-privacy .privacy-article ul li::before {
  content: "";
  position: absolute;
  left: -1.15rem;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--neon);
}

/* 纸色实色托底段落 */
.page-privacy .callout {
  max-width: var(--privacy-measure);
  margin: 20px 0 4px;
  padding: clamp(18px, 3vw, 28px);
  border-radius: var(--radius);
}

.page-privacy .callout p {
  max-width: none;
  margin: 0;
  font-size: 1rem;
}

/* 折叠补充说明 */
.page-privacy .privacy-more {
  max-width: var(--privacy-measure);
  margin-top: 20px;
  border: 1px solid var(--ink-600);
  border-radius: var(--radius-sm);
  background: var(--glass);
  overflow: hidden;
}

.page-privacy .privacy-more > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-size: 0.94rem;
  font-weight: 600;
  color: var(--neon);
  transition: background-color 200ms ease;
}

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

.page-privacy .privacy-more > summary::after {
  content: "+";
  flex: none;
  font-family: var(--font-mono);
  font-size: 1rem;
  color: var(--amber);
}

.page-privacy .privacy-more[open] > summary::after {
  content: "−";
}

.page-privacy .privacy-more > summary:hover {
  background: var(--neon-08);
}

.page-privacy .privacy-more > summary:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: -2px;
}

.page-privacy .privacy-more-body {
  padding: 4px 16px 18px;
  border-top: 1px solid var(--ink-600);
}

.page-privacy .privacy-more-body p {
  margin: 14px 0 0;
  font-size: 0.97rem;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-more-body ul {
  margin-top: 14px;
}

.page-privacy .privacy-more-body ul li {
  font-size: 0.95rem;
  color: var(--mist);
}

/* 结尾入口 */
.page-privacy .privacy-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(26px, 4vw, 38px);
}

/* 滚动显现的降级处理 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .rail-list a,
  .page-privacy .privacy-more > summary,
  .page-privacy .privacy-article a {
    transition: none;
  }
}

/* 桌面端：右侧注释轨常驻 */
@media (min-width: 900px) {
  .page-privacy .privacy-body {
    grid-template-columns: minmax(0, 1fr) 212px;
    gap: clamp(40px, 5.5vw, 76px);
  }

  .page-privacy .privacy-rail {
    order: 0;
    position: sticky;
    top: 96px;
    align-self: start;
    border-top: 0;
    padding-top: 0;
    border-left: 1px solid var(--ink-600);
    padding-left: 20px;
  }

  .page-privacy .rail-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .rail-list a {
    border: 0;
    border-radius: 6px;
    padding: 8px 10px;
    white-space: normal;
    font-size: 0.85rem;
    line-height: 1.5;
  }

  .page-privacy .rail-note {
    display: block;
  }

  .page-privacy .privacy-hero-media {
    aspect-ratio: 21 / 9;
  }
}

@media (min-width: 1240px) {
  .page-privacy .privacy-body {
    grid-template-columns: minmax(0, 1fr) 232px;
  }
}
<<<END>>>