.page-privacy {
  background: var(--ky-ink);
  color: var(--ky-snow);
}

/* ---------- 首屏 ---------- */
.page-privacy .prv-hero {
  position: relative;
  overflow: hidden;
  padding-block: 20px 56px;
  border-bottom: 1px solid var(--ky-line);
  background:
    radial-gradient(120% 90% at 88% 0%, rgba(34, 211, 238, .10), transparent 62%),
    var(--ky-ink);
}

.page-privacy .prv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--ky-line-soft) 1px, transparent 1px),
    linear-gradient(to bottom, var(--ky-line-soft) 1px, transparent 1px);
  background-size: 64px 64px;
  opacity: .3;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, .95), transparent 88%);
}

.page-privacy .prv-hero > .ky-container {
  position: relative;
  z-index: 1;
}

.page-privacy .prv-hero .ky-breadcrumb {
  margin-bottom: 28px;
}

.page-privacy .prv-hero__grid {
  display: grid;
  gap: 36px;
  align-items: end;
}

.page-privacy .prv-hero__title {
  font-family: var(--ky-font-serif);
  font-weight: 900;
  font-size: clamp(28px, 7.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -.02em;
  margin: 12px 0 0;
  max-width: 18em;
}

.page-privacy .prv-hero__lead {
  margin-top: 20px;
  max-width: 34em;
  color: var(--ky-fog);
}

.page-privacy .prv-hero__stats {
  margin-top: 32px;
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1px;
  background: var(--ky-line-soft);
  border: 1px solid var(--ky-line);
}

.page-privacy .prv-stat {
  background: var(--ky-ink-2);
  padding: 14px 12px;
  display: grid;
  gap: 2px;
}

.page-privacy .prv-stat__num {
  font-family: var(--ky-font-mono);
  font-size: 28px;
  line-height: 1;
  color: var(--ky-cyan);
  letter-spacing: .02em;
}

.page-privacy .prv-stat__unit {
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--ky-mist);
}

.page-privacy .prv-stat__label {
  font-size: 12px;
  line-height: 1.5;
  color: var(--ky-mist);
  margin-top: 4px;
}

.page-privacy .prv-hero__media {
  border: 2px solid var(--ky-line);
  box-shadow: 8px 8px 0 rgba(34, 211, 238, .12);
}

.page-privacy .prv-hero__media .ky-media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  max-width: 100%;
}

/* ---------- 主体两栏 ---------- */
.page-privacy .prv-body {
  display: grid;
  gap: 40px;
  padding-block: 44px 88px;
}

.page-privacy .prv-toc {
  align-self: start;
}

.page-privacy .prv-toc__title {
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ky-mist);
  margin: 0 0 12px;
}

.page-privacy .prv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  display: flex;
  gap: 10px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .prv-toc__item {
  flex: 0 0 auto;
}

.page-privacy .prv-toc__link {
  display: block;
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ky-mist);
  text-decoration: none;
  padding: 7px 10px;
  border: 1px solid var(--ky-line);
  border-left: 2px solid transparent;
  white-space: nowrap;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-privacy .prv-toc__link:hover,
.page-privacy .prv-toc__link:focus-visible {
  color: var(--ky-snow);
  border-color: var(--ky-line);
  border-left-color: var(--ky-cyan);
}

.page-privacy .prv-toc__link[aria-current="true"] {
  color: var(--ky-cyan);
  background: rgba(34, 211, 238, .08);
  border-left-color: var(--ky-cyan);
}

.page-privacy .prv-doc {
  min-width: 0;
  max-width: 720px;
}

/* ---------- 章节 ---------- */
.page-privacy .prv-sec {
  padding-block: 36px;
  border-top: 1px solid var(--ky-line);
}

.page-privacy .prv-sec:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .prv-num {
  font-family: var(--ky-font-mono);
  font-size: 13px;
  letter-spacing: .18em;
  color: var(--ky-cyan);
  margin: 0 0 10px;
}

.page-privacy .prv-h2 {
  font-family: var(--ky-font-serif);
  font-weight: 600;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.28;
  letter-spacing: -.01em;
  margin: 0 0 18px;
  color: var(--ky-snow);
}

.page-privacy .prv-p {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ky-fog);
  margin: 0 0 18px;
  max-width: 34em;
}

.page-privacy .prv-p--tight {
  margin-top: -4px;
}

.page-privacy .prv-term {
  font-family: var(--ky-font-serif);
  font-weight: 900;
  font-size: 32px;
  line-height: 1.1;
  color: var(--ky-amber);
  margin: 0 0 12px;
  letter-spacing: .02em;
}

/* ---------- 数据类别筛选 ---------- */
.page-privacy .prv-filter {
  position: relative;
  margin-top: 26px;
}

.page-privacy .prv-filter__ctrl {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  opacity: 0;
  overflow: hidden;
  clip-path: inset(50%);
}

.page-privacy .prv-filter__bar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-bottom: 18px;
}

.page-privacy .prv-filter__chip {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  padding: 8px 13px;
  color: var(--ky-mist);
  border: 1px solid var(--ky-line);
  background: transparent;
  cursor: pointer;
  transition: color .18s ease, border-color .18s ease, background-color .18s ease;
}

.page-privacy .prv-filter__chip:hover {
  color: var(--ky-snow);
  border-color: var(--ky-line);
  background: var(--ky-ink-2);
}

.page-privacy #prv-cat-all:checked ~ .prv-filter__bar [for="prv-cat-all"],
.page-privacy #prv-cat-rec:checked ~ .prv-filter__bar [for="prv-cat-rec"],
.page-privacy #prv-cat-dev:checked ~ .prv-filter__bar [for="prv-cat-dev"],
.page-privacy #prv-cat-sub:checked ~ .prv-filter__bar [for="prv-cat-sub"],
.page-privacy #prv-cat-log:checked ~ .prv-filter__bar [for="prv-cat-log"] {
  color: var(--ky-ink);
  background: var(--ky-cyan);
  border-color: var(--ky-cyan);
  font-weight: 700;
}

.page-privacy #prv-cat-all:focus-visible ~ .prv-filter__bar [for="prv-cat-all"],
.page-privacy #prv-cat-rec:focus-visible ~ .prv-filter__bar [for="prv-cat-rec"],
.page-privacy #prv-cat-dev:focus-visible ~ .prv-filter__bar [for="prv-cat-dev"],
.page-privacy #prv-cat-sub:focus-visible ~ .prv-filter__bar [for="prv-cat-sub"],
.page-privacy #prv-cat-log:focus-visible ~ .prv-filter__bar [for="prv-cat-log"] {
  outline: 2px solid var(--ky-cyan);
  outline-offset: 2px;
}

.page-privacy #prv-cat-rec:checked ~ .prv-cats .prv-cat:not([data-cat="rec"]),
.page-privacy #prv-cat-dev:checked ~ .prv-cats .prv-cat:not([data-cat="dev"]),
.page-privacy #prv-cat-sub:checked ~ .prv-cats .prv-cat:not([data-cat="sub"]),
.page-privacy #prv-cat-log:checked ~ .prv-cats .prv-cat:not([data-cat="log"]) {
  display: none;
}

.page-privacy .prv-cats {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 1px;
  background: var(--ky-line-soft);
  border: 1px solid var(--ky-line);
}

.page-privacy .prv-cat {
  background: var(--ky-ink-2);
  padding: 18px 16px;
  border-left: 2px solid var(--ky-line);
}

.page-privacy .prv-cat[data-cat="rec"] { border-left-color: var(--ky-cyan); }
.page-privacy .prv-cat[data-cat="dev"] { border-left-color: var(--ky-cyan-deep); }
.page-privacy .prv-cat[data-cat="sub"] { border-left-color: var(--ky-amber); }
.page-privacy .prv-cat[data-cat="log"] { border-left-color: var(--ky-line); }

.page-privacy .prv-cat__head {
  display: flex;
  align-items: baseline;
  gap: 10px;
}

.page-privacy .prv-cat__no {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--ky-mist);
}

.page-privacy .prv-cat__title {
  font-family: var(--ky-font-serif);
  font-weight: 600;
  font-size: 19px;
  line-height: 1.3;
  margin: 0;
  color: var(--ky-snow);
}

.page-privacy .prv-cat__fields {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 12px 0 0;
}

.page-privacy .prv-chip {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--ky-cyan);
  border: 1px solid var(--ky-line);
  padding: 3px 8px;
  background: rgba(34, 211, 238, .05);
}

.page-privacy .prv-cat__scene {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ky-mist);
  margin: 12px 0 0;
}

/* ---------- 用途列表 ---------- */
.page-privacy .prv-uselist {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .prv-use {
  display: grid;
  gap: 8px;
  padding: 18px 0;
  border-top: 1px solid var(--ky-line-soft);
}

.page-privacy .prv-use:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .prv-use__tag {
  font-family: var(--ky-font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--ky-cyan);
}

.page-privacy .prv-use__text {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ky-fog);
  margin: 0;
}

/* ---------- 保存期限 ---------- */
.page-privacy .prv-keep {
  margin-top: 28px;
  border: 1px solid var(--ky-line);
  border-left: 2px solid var(--ky-amber);
  background: var(--ky-ink-2);
}

.page-privacy .prv-keep__row {
  padding: 16px;
  border-top: 1px solid var(--ky-line-soft);
}

.page-privacy .prv-keep__row:first-child {
  border-top: 0;
}

.page-privacy .prv-keep__name {
  display: block;
  font-family: var(--ky-font-serif);
  font-weight: 600;
  font-size: 17px;
  color: var(--ky-snow);
}

.page-privacy .prv-keep__val {
  display: inline-block;
  margin-top: 6px;
  font-family: var(--ky-font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--ky-amber);
  background: rgba(146, 64, 14, .22);
  border: 1px solid var(--ky-amber-deep);
  padding: 3px 9px;
}

.page-privacy .prv-keep__note {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ky-mist);
  margin: 10px 0 0;
}

/* ---------- 共享 ---------- */
.page-privacy .prv-share {
  border-left: 2px solid var(--ky-cyan);
  padding-left: 16px;
  margin: 4px 0 22px;
}

.page-privacy .prv-share__line {
  font-size: 15px;
  line-height: 1.85;
  color: var(--ky-fog);
  margin: 0 0 10px;
}

.page-privacy .prv-share__line:last-child {
  margin-bottom: 0;
}

.page-privacy .prv-link-row {
  font-size: 14px;
  line-height: 1.8;
  color: var(--ky-mist);
  margin: 20px 0 0;
}

.page-privacy .prv-link-row a {
  color: var(--ky-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .45);
}

.page-privacy .prv-link-row a:hover,
.page-privacy .prv-link-row a:focus-visible {
  border-bottom-color: var(--ky-cyan);
}

/* ---------- 权利 ---------- */
.page-privacy .prv-claim {
  background: var(--ky-snow);
  color: var(--ky-ink);
  padding: 18px 16px;
  border: 2px solid var(--ky-line);
  box-shadow: 8px 8px 0 rgba(34, 211, 238, .16);
  margin-bottom: 26px;
}

.page-privacy .prv-claim__text {
  font-family: var(--ky-font-serif);
  font-weight: 600;
  font-size: 17px;
  line-height: 1.6;
  margin: 0;
}

.page-privacy .prv-rights {
  margin: 0;
  display: grid;
  gap: 1px;
  background: var(--ky-line-soft);
  border: 1px solid var(--ky-line);
}

.page-privacy .prv-right {
  background: var(--ky-ink);
  padding: 16px;
}

.page-privacy .prv-right dt {
  font-family: var(--ky-font-mono);
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--ky-cyan);
  margin-bottom: 8px;
}

.page-privacy .prv-right dd {
  font-size: 14px;
  line-height: 1.85;
  color: var(--ky-fog);
  margin: 0;
}

/* ---------- 联系方式 ---------- */
.page-privacy .prv-mail {
  border: 2px solid var(--ky-line);
  background: var(--ky-ink-2);
  padding: 18px 16px;
  margin: 6px 0 24px;
}

.page-privacy .prv-mail__label {
  font-family: var(--ky-font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--ky-mist);
  margin: 0 0 8px;
}

.page-privacy .prv-mail__addr {
  font-family: var(--ky-font-mono);
  font-size: 16px;
  line-height: 1.5;
  letter-spacing: .02em;
  color: var(--ky-cyan);
  margin: 0;
  word-break: break-all;
}

.page-privacy .prv-mail__note {
  font-size: 13px;
  line-height: 1.75;
  color: var(--ky-mist);
  margin: 10px 0 0;
}

.page-privacy .prv-checklist {
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
}

.page-privacy .prv-checklist li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ky-fog);
  margin-bottom: 8px;
}

.page-privacy .prv-checklist li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 8px;
  height: 2px;
  background: var(--ky-cyan);
}

.page-privacy .prv-next {
  display: grid;
  gap: 1px;
  background: var(--ky-line-soft);
  border: 1px solid var(--ky-line);
}

.page-privacy .prv-next__item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 4px 12px;
  padding: 16px;
  background: var(--ky-ink);
  text-decoration: none;
  transition: background-color .18s ease;
}

.page-privacy .prv-next__item:hover,
.page-privacy .prv-next__item:focus-visible {
  background: var(--ky-ink-2);
}

.page-privacy .prv-next__no {
  font-family: var(--ky-font-mono);
  font-size: 14px;
  color: var(--ky-cyan);
  grid-row: span 2;
  line-height: 1.5;
}

.page-privacy .prv-next__title {
  font-family: var(--ky-font-serif);
  font-weight: 600;
  font-size: 16px;
  color: var(--ky-snow);
  line-height: 1.4;
}

.page-privacy .prv-next__desc {
  font-size: 13px;
  line-height: 1.7;
  color: var(--ky-mist);
}

/* ---------- 桌面 ---------- */
@media (min-width: 860px) {
  .page-privacy .prv-hero {
    padding-block: 28px 72px;
  }

  .page-privacy .prv-hero__grid {
    grid-template-columns: minmax(0, 1fr) 340px;
    gap: 56px;
  }

  .page-privacy .prv-hero__stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .prv-stat__num {
    font-size: 34px;
  }

  .page-privacy .prv-body {
    grid-template-columns: 224px minmax(0, 1fr);
    gap: 64px;
    padding-block: 64px 112px;
  }

  .page-privacy .prv-toc {
    position: sticky;
    top: calc(var(--ky-header-h-sm) + 28px);
  }

  .page-privacy .prv-toc__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .prv-toc__link {
    white-space: normal;
    padding: 8px 10px;
  }

  .page-privacy .prv-sec {
    padding-block: 52px;
  }

  .page-privacy .prv-cat {
    padding: 22px 22px;
  }

  .page-privacy .prv-cat__title {
    font-size: 21px;
  }

  .page-privacy .prv-keep__row,
  .page-privacy .prv-right,
  .page-privacy .prv-mail,
  .page-privacy .prv-claim {
    padding: 22px;
  }

  .page-privacy .prv-term {
    font-size: 36px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-toc__link,
  .page-privacy .prv-filter__chip,
  .page-privacy .prv-next__item {
    transition: none;
  }
}
<<<PAGE_CSS_END>>>