.page-privacy {
  --pv-toc-w: 232px;
  --pv-read: 42rem;
  background: var(--xy-ink);
  color: var(--xy-white);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: calc(var(--xy-header-h) + 36px) var(--xy-pad) 56px;
  background: var(--xy-ink);
}

.page-privacy .pv-hero__media {
  position: absolute;
  inset: 0;
  z-index: 0;
  opacity: .38;
}

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

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background:
    radial-gradient(90% 70% at 12% 2%, rgba(139, 123, 255, .30), transparent 62%),
    radial-gradient(70% 60% at 88% 16%, rgba(255, 79, 163, .16), transparent 66%),
    linear-gradient(180deg, rgba(7, 10, 24, .40) 0%, rgba(7, 10, 24, .88) 60%, var(--xy-ink) 100%);
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--xy-max);
  margin: 0 auto;
  min-width: 0;
}

.page-privacy .pv-hero__title {
  font-family: var(--xy-font-display);
  font-weight: 800;
  letter-spacing: .03em;
  font-size: clamp(1.9rem, 6.2vw, 4rem);
  line-height: 1.14;
  margin: .6rem 0 1rem;
  max-width: 20em;
  text-shadow: 0 0 46px rgba(59, 240, 208, .26);
  overflow-wrap: anywhere;
}

.page-privacy .pv-hero__lede {
  margin: 0;
  max-width: var(--pv-read);
  font-size: 1.0625rem;
  line-height: 1.82;
  color: var(--xy-dust);
}

.page-privacy .pv-hero__note {
  margin: 14px 0 0;
  font-size: .75rem;
  letter-spacing: .08em;
  color: var(--xy-cyan);
  opacity: .86;
}

/* ---------- 摘要板 ---------- */
.page-privacy .pv-summary {
  list-style: none;
  margin: 34px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: minmax(0, 1fr);
}

.page-privacy .pv-summary__card {
  background: linear-gradient(158deg, rgba(27, 34, 71, .96), rgba(17, 22, 51, .90));
  padding: 16px 16px 18px;
  box-shadow: inset 0 1px 0 rgba(59, 240, 208, .30);
  clip-path: polygon(0 0, calc(100% - 16px) 0, 100% 16px, 100% 100%, 0 100%);
}

.page-privacy .pv-summary__no {
  display: block;
  font-family: var(--xy-font-mono);
  font-size: .7rem;
  letter-spacing: .14em;
  color: var(--xy-cyan);
}

.page-privacy .pv-summary__title {
  font-family: var(--xy-font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .04em;
  margin: 8px 0 8px;
  color: var(--xy-white);
}

.page-privacy .pv-summary__text {
  margin: 0;
  font-size: .875rem;
  line-height: 1.72;
  color: var(--xy-dust);
}

/* ---------- 文档区 ---------- */
.page-privacy .pv-doc {
  max-width: var(--xy-max);
  margin: 0 auto;
  padding: 44px var(--xy-pad) 76px;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
}

/* 目录 */
.page-privacy .pv-toc {
  min-width: 0;
}

.page-privacy .pv-toc__title {
  font-family: var(--xy-font-mono);
  font-size: .72rem;
  letter-spacing: .18em;
  margin: 0 0 12px;
  color: var(--xy-cyan);
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.page-privacy .pv-toc__link {
  display: block;
  padding: 6px 10px;
  font-size: .8125rem;
  line-height: 1.5;
  color: var(--xy-dust);
  text-decoration: none;
  background: rgba(17, 22, 51, .66);
  border: 1px solid var(--xy-line);
  clip-path: polygon(0 0, calc(100% - 8px) 0, 100% 8px, 100% 100%, 0 100%);
  transition: color .18s ease, background .18s ease, border-color .18s ease;
}

.page-privacy .pv-toc__link:hover {
  color: var(--xy-white);
  border-color: var(--xy-line-strong);
}

.page-privacy .pv-toc__link:focus-visible {
  outline: 2px solid var(--xy-gold);
  outline-offset: 2px;
}

.page-privacy .pv-toc__link[aria-current="true"] {
  color: var(--xy-ink);
  background: var(--xy-cyan);
  border-color: var(--xy-cyan);
}

/* 正文 */
.page-privacy .pv-body {
  min-width: 0;
}

.page-privacy .pv-sec {
  padding-top: 4px;
  margin-bottom: 46px;
  scroll-margin-top: calc(var(--xy-header-h) + 24px);
}

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

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 18px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--xy-line);
}

.page-privacy .pv-sec__no {
  font-family: var(--xy-font-mono);
  font-size: .8125rem;
  letter-spacing: .14em;
  color: var(--xy-cyan);
  flex: none;
}

.page-privacy .pv-sec__title {
  font-family: var(--xy-font-display);
  font-weight: 700;
  font-size: clamp(1.25rem, 3.4vw, 1.75rem);
  letter-spacing: .03em;
  line-height: 1.35;
  margin: 0;
  overflow-wrap: anywhere;
}

.page-privacy .pv-p {
  margin: 0 0 16px;
  max-width: var(--pv-read);
  color: var(--xy-dust);
  line-height: 1.85;
  font-size: 1rem;
}

.page-privacy .pv-row {
  background: var(--xy-nebula);
  box-shadow: inset 3px 0 0 var(--xy-cyan);
  padding: 14px 16px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
}

.page-privacy .pv-row__k {
  margin: 0 0 6px;
  font-family: var(--xy-font-mono);
  font-size: .78rem;
  letter-spacing: .1em;
  color: var(--xy-white);
}

.page-privacy .pv-row__v {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--xy-dust);
}

.page-privacy .pv-rows {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
  max-width: var(--pv-read);
}

.page-privacy .pv-rows--tagged .pv-row {
  box-shadow: inset 3px 0 0 var(--xy-violet);
}

.page-privacy .pv-rows--tagged .pv-row__k {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-wrap: wrap;
}

/* 编号步骤 */
.page-privacy .pv-steps {
  list-style: none;
  counter-reset: pvstep;
  margin: 0 0 18px;
  padding: 0;
  display: grid;
  gap: 16px;
  max-width: var(--pv-read);
}

.page-privacy .pv-steps > li {
  position: relative;
  padding-left: 42px;
}

.page-privacy .pv-steps > li::before {
  counter-increment: pvstep;
  content: "0" counter(pvstep);
  position: absolute;
  left: 0;
  top: 2px;
  font-family: var(--xy-font-mono);
  font-size: .78rem;
  letter-spacing: .08em;
  color: var(--xy-cyan);
}

.page-privacy .pv-steps > li::after {
  content: "";
  position: absolute;
  left: 20px;
  top: 20px;
  bottom: -14px;
  width: 1px;
  background: var(--xy-line);
}

.page-privacy .pv-steps > li:last-child::after {
  display: none;
}

.page-privacy .pv-steps__title {
  margin: 0 0 4px;
  font-family: var(--xy-font-display);
  font-size: 1rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--xy-white);
}

.page-privacy .pv-steps__text {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.78;
  color: var(--xy-dust);
}

/* 术语卡 */
.page-privacy .pv-term {
  margin: 20px 0;
  background: rgba(17, 22, 51, .78);
  clip-path: polygon(0 0, calc(100% - 14px) 0, 100% 14px, 100% 100%, 0 100%);
  max-width: var(--pv-read);
}

.page-privacy .pv-term > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 12px 16px;
  font-family: var(--xy-font-mono);
  font-size: .8125rem;
  letter-spacing: .1em;
  color: var(--xy-white);
}

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

.page-privacy .pv-term > summary:focus-visible {
  outline: 2px solid var(--xy-gold);
  outline-offset: -2px;
}

.page-privacy .pv-term > summary::after {
  content: "+";
  margin-left: auto;
  font-size: 1rem;
  color: var(--xy-cyan);
}

.page-privacy .pv-term[open] > summary::after {
  content: "−";
  color: var(--xy-magenta);
}

.page-privacy .pv-term__tag {
  font-size: .6875rem;
  letter-spacing: .14em;
  color: var(--xy-ink);
  background: var(--xy-cyan);
  padding: 2px 7px;
  clip-path: polygon(0 0, calc(100% - 6px) 0, 100% 6px, 100% 100%, 0 100%);
}

.page-privacy .pv-term__body {
  padding: 0 16px 14px;
}

.page-privacy .pv-term__body p {
  margin: 0;
  font-size: .9375rem;
  line-height: 1.8;
  color: var(--xy-dust);
}

/* 联系信息 */
.page-privacy .pv-contact {
  margin: 0 0 18px;
  padding: 18px 16px;
  background: var(--xy-panel);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
  display: grid;
  gap: 9px;
  max-width: var(--pv-read);
}

.page-privacy .pv-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 12px;
  margin: 0;
  font-size: .9375rem;
  line-height: 1.7;
}

.page-privacy .pv-contact__k {
  flex: none;
  min-width: 5.5em;
  font-family: var(--xy-font-mono);
  font-size: .75rem;
  letter-spacing: .1em;
  color: var(--xy-cyan);
  padding-top: 2px;
}

.page-privacy .pv-contact__v {
  color: var(--xy-white);
  overflow-wrap: anywhere;
}

/* 按钮组 */
.page-privacy .pv-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 22px;
}

/* ---------- 平板 / 桌面 ---------- */
@media (min-width: 720px) {
  .page-privacy .pv-summary {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 14px;
  }

  .page-privacy .pv-hero__lede {
    font-size: 1.125rem;
  }

  .page-privacy .pv-hero {
    padding-bottom: 64px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-summary {
    grid-template-columns: repeat(5, minmax(0, 1fr));
  }

  .page-privacy .pv-doc {
    grid-template-columns: var(--pv-toc-w) minmax(0, 1fr);
    gap: 56px;
    padding-top: 56px;
    padding-bottom: 96px;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--xy-header-h) + 28px);
    align-self: start;
  }

  .page-privacy .pv-toc__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-privacy .pv-toc__link {
    position: relative;
    padding: 8px 10px 8px 14px;
    background: transparent;
    border: 0;
    clip-path: none;
    color: var(--xy-dust);
  }

  .page-privacy .pv-toc__link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 3px;
    height: 0;
    background: var(--xy-cyan);
    transition: height .18s ease;
  }

  .page-privacy .pv-toc__link:hover {
    background: rgba(27, 34, 71, .6);
    color: var(--xy-white);
  }

  .page-privacy .pv-toc__link[aria-current="true"] {
    background: transparent;
    color: var(--xy-white);
    border-color: transparent;
  }

  .page-privacy .pv-toc__link[aria-current="true"]::before {
    height: 16px;
  }

  .page-privacy .pv-sec {
    margin-bottom: 60px;
  }
}

/* ---------- 动效与可访问性 ---------- */
.page-privacy .pv-sec[data-reveal] {
  opacity: 0;
  transform: translateY(12px);
  transition: opacity .5s ease, transform .5s ease;
}

.page-privacy .pv-sec[data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-sec[data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }

  .page-privacy .pv-toc__link,
  .page-privacy .pv-toc__link::before {
    transition: none;
  }
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy .pv-hero__media,
  .page-privacy .pv-hero::after,
  .page-privacy .pv-toc,
  .page-privacy .pv-actions {
    display: none;
  }

  .page-privacy .pv-hero,
  .page-privacy .pv-doc {
    padding: 0 0 12px;
    background: #fff;
  }

  .page-privacy,
  .page-privacy .pv-hero__title,
  .page-privacy .pv-sec__title,
  .page-privacy .pv-row__k,
  .page-privacy .pv-contact__v {
    color: #10131f;
    text-shadow: none;
  }

  .page-privacy .pv-p,
  .page-privacy .pv-row__v,
  .page-privacy .pv-steps__text,
  .page-privacy .pv-summary__text,
  .page-privacy .pv-term__body p {
    color: #2a2f45;
  }

  .page-privacy .pv-row,
  .page-privacy .pv-summary__card,
  .page-privacy .pv-contact,
  .page-privacy .pv-term {
    background: #f3f5fb;
    box-shadow: inset 3px 0 0 #6b7390;
    clip-path: none;
  }

  .page-privacy .pv-sec[data-reveal] {
    opacity: 1;
    transform: none;
  }
}
<<<PAGE_CSS_END>>>
```