.page-privacy {
  --pv-rule: rgba(18, 23, 34, 0.14);
  --pv-ink-soft: rgba(18, 23, 34, 0.84);
  --pv-ink-mute: rgba(18, 23, 34, 0.58);
  --pv-card: rgba(255, 255, 255, 0.55);
  --pv-deep: #0A2B2D;
  position: relative;
  overflow-x: hidden;
  padding: 1.5rem 0 3.5rem;
  background: var(--sf-night);
  color: var(--sf-text);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(760px 380px at 90% -6%, rgba(57, 244, 212, 0.10), transparent 70%),
    radial-gradient(620px 360px at 2% 26%, rgba(24, 19, 56, 0.95), transparent 72%),
    radial-gradient(520px 320px at 78% 92%, rgba(43, 13, 24, 0.75), transparent 74%);
}

.page-privacy .sf-container {
  position: relative;
  z-index: 1;
}

/* 面包屑 */
.page-privacy .sf-crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.4rem;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--sf-mono);
  font-size: 0.75rem;
  letter-spacing: 0.05em;
  color: var(--sf-text-dim);
}

.page-privacy .sf-crumbs li {
  display: inline-flex;
  align-items: center;
}

.page-privacy .sf-crumbs li + li::before {
  content: "/";
  margin-right: 0.4rem;
  color: var(--sf-steel);
}

.page-privacy .sf-crumbs a {
  color: var(--sf-text-dim);
  text-decoration: none;
  padding-bottom: 1px;
  border-bottom: 1px solid transparent;
  transition: color 0.2s var(--sf-ease), border-color 0.2s var(--sf-ease);
}

.page-privacy .sf-crumbs a:hover,
.page-privacy .sf-crumbs a:focus-visible {
  color: var(--sf-cyan);
  border-bottom-color: var(--sf-cyan);
}

/* 首屏 */
.page-privacy .pv-intro {
  display: grid;
  gap: 1.75rem;
  margin-top: 1.4rem;
  align-items: start;
}

.page-privacy .sf-eyebrow {
  font-family: var(--sf-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--sf-cyan);
}

.page-privacy h1 {
  margin: 0.55rem 0 0;
  font-family: var(--sf-sans);
  font-size: clamp(1.85rem, 6.4vw, 3rem);
  font-weight: 900;
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: #ffffff;
}

.page-privacy .pv-lead {
  margin: 1rem 0 0;
  max-width: 56ch;
  font-size: 1rem;
  line-height: 1.85;
  color: rgba(230, 236, 245, 0.86);
}

.page-privacy .pv-facts {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  border-top: var(--sf-line-soft);
}

.page-privacy .pv-facts li {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.3rem 1rem;
  padding: 0.7rem 0;
  border-bottom: var(--sf-line-soft);
  font-size: 0.8125rem;
  line-height: 1.6;
}

.page-privacy .pv-facts__k {
  font-family: var(--sf-mono);
  letter-spacing: 0.1em;
  color: var(--sf-text-dim);
}

.page-privacy .pv-facts__v {
  font-weight: 600;
  color: var(--sf-text);
  word-break: break-word;
}

.page-privacy .pv-intro__figure {
  margin: 0;
  border: 1px solid var(--sf-steel);
  border-radius: 14px;
  overflow: hidden;
  background: var(--sf-indigo);
  box-shadow: var(--sf-shadow);
}

.page-privacy .pv-intro__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* 布局与目录 */
.page-privacy .pv-layout {
  display: grid;
  gap: 1.5rem;
  margin-top: 2.25rem;
}

.page-privacy .pv-toc {
  border: 1px solid var(--sf-steel);
  border-radius: 12px;
  padding: 1rem 0.9rem 1.1rem;
  background: linear-gradient(160deg, rgba(24, 19, 56, 0.9), rgba(6, 10, 19, 0.78));
}

.page-privacy .pv-toc__title {
  margin: 0 0 0.7rem;
  font-family: var(--sf-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--sf-text-dim);
}

.page-privacy .pv-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.1rem;
}

.page-privacy .pv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.6rem;
  padding: 0.5rem 0.55rem 0.5rem 0.65rem;
  border-left: 2px solid transparent;
  color: var(--sf-text-dim);
  text-decoration: none;
  font-size: 0.875rem;
  line-height: 1.45;
  transition: color 0.2s var(--sf-ease), border-color 0.2s var(--sf-ease), background 0.2s var(--sf-ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--sf-cyan);
  border-left-color: var(--sf-cyan);
  background: rgba(57, 244, 212, 0.07);
}

.page-privacy .pv-toc__num {
  flex: none;
  font-family: var(--sf-mono);
  font-size: 0.75rem;
  color: var(--sf-orange);
}

.page-privacy .pv-toc__hint {
  margin: 0.85rem 0 0;
  padding-top: 0.8rem;
  border-top: var(--sf-line-soft);
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--sf-text-dim);
}

/* 纸面正文 */
.page-privacy .pv-body {
  background: var(--sf-pearl);
  color: var(--sf-ink);
  border-radius: 16px;
  padding: 1.3rem 1.1rem 1.6rem;
  box-shadow: var(--sf-shadow);
}

.page-privacy .pv-sec {
  padding: 1.5rem 0;
  border-top: 1px solid var(--pv-rule);
  scroll-margin-top: 5rem;
}

.page-privacy .pv-sec:first-child {
  border-top: 0;
  padding-top: 0.4rem;
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 0.85rem;
}

.page-privacy .pv-sec__num {
  flex: none;
  font-family: var(--sf-mono);
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: var(--pv-deep);
  padding: 0.15rem 0.4rem;
  border: 1px solid rgba(10, 43, 45, 0.32);
  border-radius: 4px;
}

.page-privacy h2 {
  margin: 0;
  font-family: var(--sf-serif);
  font-size: clamp(1.15rem, 3.6vw, 1.5rem);
  font-weight: 700;
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--sf-ink);
}

.page-privacy h3 {
  margin: 1.25rem 0 0.5rem;
  font-family: var(--sf-sans);
  font-size: 0.9375rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--pv-deep);
}

.page-privacy .pv-body p {
  margin: 0 0 0.9rem;
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--pv-ink-soft);
}

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

.page-privacy .pv-body a {
  color: var(--pv-deep);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(10, 43, 45, 0.4);
  text-underline-offset: 3px;
  transition: text-decoration-color 0.2s var(--sf-ease), color 0.2s var(--sf-ease);
}

.page-privacy .pv-body a:hover,
.page-privacy .pv-body a:focus-visible {
  color: #000000;
  text-decoration-color: var(--sf-orange);
}

.page-privacy .pv-list {
  margin: 0.35rem 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.5rem;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 1.05rem;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pv-ink-soft);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 1px;
  background: var(--pv-deep);
  opacity: 0.5;
}

.page-privacy .pv-list strong {
  color: var(--sf-ink);
  font-weight: 700;
}

/* 信息类型卡片 */
.page-privacy .pv-types {
  display: grid;
  gap: 0.75rem;
  margin: 0.9rem 0 1rem;
}

.page-privacy .pv-type {
  border: 1px solid var(--pv-rule);
  border-radius: 10px;
  padding: 0.85rem 0.95rem;
  background: var(--pv-card);
}

.page-privacy .pv-type__tag {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--sf-mono);
  font-size: 0.625rem;
  letter-spacing: 0.16em;
  color: rgba(18, 23, 34, 0.48);
}

.page-privacy .pv-type h3 {
  margin: 0 0 0.4rem;
  font-size: 0.875rem;
  color: var(--pv-deep);
}

.page-privacy .pv-type p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
}

/* 示意图 */
.page-privacy .pv-flow {
  margin: 1rem 0 1.1rem;
  padding: 0.7rem;
  border: 1px solid var(--pv-rule);
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.62);
}

.page-privacy .pv-flow svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .pv-flow figcaption {
  margin-top: 0.55rem;
  font-size: 0.75rem;
  line-height: 1.7;
  color: var(--pv-ink-mute);
}

/* 提示条 */
.page-privacy .pv-note {
  margin: 1rem 0 0;
  padding: 0.8rem 0.95rem;
  border-left: 3px solid var(--sf-orange);
  border-radius: 0 8px 8px 0;
  background: rgba(255, 122, 47, 0.1);
  font-size: 0.875rem;
  line-height: 1.8;
  color: var(--pv-ink-soft);
}

/* 联系区 */
.page-privacy .pv-contact {
  margin-top: 2rem;
  border: 1px solid var(--sf-steel);
  border-radius: 16px;
  padding: 1.3rem 1.1rem 1.4rem;
  background: linear-gradient(155deg, var(--sf-teal) 0%, var(--sf-indigo) 58%, var(--sf-night) 100%);
  box-shadow: var(--sf-shadow);
}

.page-privacy .pv-contact h2 {
  margin: 0.5rem 0 0;
  font-family: var(--sf-serif);
  font-size: clamp(1.2rem, 3.8vw, 1.65rem);
  line-height: 1.35;
  color: #ffffff;
}

.page-privacy .pv-contact__lead {
  margin: 0.7rem 0 0;
  max-width: 52ch;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: rgba(230, 236, 245, 0.82);
}

.page-privacy .pv-contact__grid {
  display: grid;
  gap: 0;
  margin-top: 1.2rem;
  border-top: 1px solid rgba(57, 244, 212, 0.16);
}

.page-privacy .pv-contact__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.25rem 1rem;
  padding: 0.65rem 0;
  border-bottom: 1px solid rgba(57, 244, 212, 0.16);
}

.page-privacy .pv-contact__label {
  font-family: var(--sf-mono);
  font-size: 0.75rem;
  letter-spacing: 0.1em;
  color: var(--sf-text-dim);
}

.page-privacy .pv-contact__value {
  font-size: 0.875rem;
  font-weight: 600;
  color: var(--sf-text);
  word-break: break-word;
}

.page-privacy .pv-contact__note {
  margin: 0.9rem 0 0;
  font-size: 0.8125rem;
  line-height: 1.75;
  color: var(--sf-text-dim);
}

.page-privacy .pv-contact__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.6rem;
  margin-top: 1.2rem;
}

.page-privacy .pv-copy {
  cursor: pointer;
}

.page-privacy .pv-copy[data-copied] {
  box-shadow: 0 0 0 2px rgba(57, 244, 212, 0.55) inset;
  color: var(--sf-cyan);
}

/* 中等屏幕 */
@media (min-width: 640px) {
  .page-privacy .pv-types {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-contact__grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    column-gap: 2rem;
  }
}

@media (min-width: 768px) {
  .page-privacy {
    padding: 2rem 0 4.5rem;
  }

  .page-privacy .pv-body {
    padding: 2.4rem 2.4rem 2.6rem;
    border-radius: 20px;
  }

  .page-privacy .pv-contact {
    padding: 1.9rem 2.1rem 2rem;
    border-radius: 20px;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-intro {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    gap: 2.5rem;
    align-items: center;
  }
}

@media (min-width: 1024px) {
  .page-privacy .pv-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 2.75rem;
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 1.25rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .sf-crumbs a,
  .page-privacy .pv-body a {
    transition: none;
  }
}

@media print {
  .page-privacy {
    padding: 0;
    background: #ffffff;
    color: #000000;
  }

  .page-privacy::before,
  .page-privacy .pv-toc,
  .page-privacy .pv-intro__figure,
  .page-privacy .pv-contact__actions {
    display: none;
  }

  .page-privacy .pv-layout {
    display: block;
    margin-top: 1rem;
  }

  .page-privacy .pv-body {
    padding: 0;
    border-radius: 0;
    box-shadow: none;
    background: #ffffff;
  }

  .page-privacy h1,
  .page-privacy h2,
  .page-privacy h3 {
    color: #000000;
  }

  .page-privacy .pv-contact {
    background: #ffffff;
    border: 1px solid #999999;
    box-shadow: none;
  }

  .page-privacy .pv-contact h2,
  .page-privacy .pv-contact__value,
  .page-privacy .pv-contact__lead {
    color: #000000;
  }
}
<<<END>>>