.page-privacy {
  --pv-num: rgba(127, 212, 255, .42);
  background: var(--by-void);
  color: var(--by-text);
  font-family: var(--by-font-sans);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--by-line);
  padding: 24px 0 clamp(40px, 5.5vw, 72px);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, rgba(127, 212, 255, .07) 0 1px, transparent 1px 88px),
    repeating-linear-gradient(0deg, rgba(127, 212, 255, .05) 0 1px, transparent 1px 88px);
  pointer-events: none;
}

.page-privacy .pv-hero__glow {
  position: absolute;
  top: -34%;
  right: -18%;
  width: 68%;
  height: 168%;
  background: linear-gradient(114deg,
    transparent 0 44%,
    rgba(255, 46, 139, .20) 45%,
    rgba(0, 240, 224, .14) 51%,
    transparent 52%);
  pointer-events: none;
}

.page-privacy .pv-hero .by-crumbs {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 4.5vw, 48px);
  margin-top: clamp(20px, 3vw, 34px);
  align-items: end;
}

.page-privacy .pv-version {
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  margin: 0 0 20px;
  padding: 8px 15px;
  border: 1px solid var(--by-line);
  border-left: 3px solid var(--by-cyan);
  background: rgba(14, 24, 48, .72);
  font-family: var(--by-font-mono);
  font-size: 12.5px;
  letter-spacing: .07em;
  color: var(--by-ice);
}

.page-privacy .pv-version__dot {
  width: 7px;
  height: 7px;
  background: var(--by-cyan);
  box-shadow: 0 0 8px var(--by-cyan);
  animation: pv-breath 5s ease-in-out infinite;
}

.page-privacy .pv-title {
  margin: 0 0 22px;
  font-size: clamp(40px, 8.4vw, 98px);
  font-weight: 900;
  line-height: .94;
  letter-spacing: -.03em;
}

.page-privacy .pv-title__line {
  display: block;
}

.page-privacy .pv-title__line--shift {
  padding-left: clamp(0px, 4.5vw, 76px);
  color: var(--by-ice);
}

.page-privacy .pv-lede {
  max-width: 46ch;
  margin: 0 0 22px;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.78;
  color: var(--by-muted);
}

.page-privacy .pv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .pv-chip {
  display: inline-block;
  padding: 6px 12px;
  border: 1px solid var(--by-line);
  background: rgba(14, 24, 48, .6);
  font-family: var(--by-font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--by-muted);
}

.page-privacy .pv-chip--cyan {
  border-color: rgba(0, 240, 224, .5);
  color: var(--by-cyan);
}

.page-privacy .pv-hero__media {
  position: relative;
  margin: 0;
  border: var(--by-border);
  background: var(--by-surface);
  box-shadow: var(--by-shadow-hard);
  aspect-ratio: 7 / 5;
  overflow: hidden;
}

.page-privacy .pv-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.85) contrast(1.06);
}

.page-privacy .pv-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    repeating-linear-gradient(0deg, rgba(127, 212, 255, .10) 0 1px, transparent 1px 26px),
    linear-gradient(180deg, transparent 55%, rgba(6, 10, 18, .78) 100%);
  pointer-events: none;
}

.page-privacy .pv-hero__caption {
  position: absolute;
  left: 0;
  bottom: 0;
  z-index: 2;
  padding: 7px 14px;
  background: var(--by-void);
  border-top: 3px solid var(--by-hot);
  font-family: var(--by-font-mono);
  font-size: 12px;
  letter-spacing: .07em;
  color: var(--by-ice);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(30px, 5vw, 56px);
  padding: clamp(40px, 5.5vw, 76px) 0 clamp(56px, 7vw, 108px);
}

/* ---------- 左侧目录 ---------- */
.page-privacy .pv-toc {
  align-self: start;
  min-width: 0;
}

.page-privacy .pv-toc__head {
  margin: 0 0 10px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--by-line);
  font-family: var(--by-font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--by-muted);
}

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

.page-privacy .pv-toc__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 11px 10px 11px 14px;
  border-left: 2px solid var(--by-line);
  font-family: var(--by-font-mono);
  font-size: 13px;
  letter-spacing: .03em;
  line-height: 1.5;
  color: var(--by-muted);
  text-decoration: none;
  transition: color .24s var(--by-ease), border-color .24s var(--by-ease), background-color .24s var(--by-ease);
}

.page-privacy .pv-toc__no {
  color: var(--by-ice);
  opacity: .7;
}

.page-privacy .pv-toc__link:hover {
  color: var(--by-ice);
  border-left-color: var(--by-ice);
}

.page-privacy .pv-toc__link.is-active,
.page-privacy .pv-toc__link[aria-current="true"] {
  color: var(--by-text);
  border-left-color: var(--by-cyan);
  background: rgba(0, 240, 224, .07);
}

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

/* ---------- 条款 ---------- */
.page-privacy .pv-doc {
  min-width: 0;
}

.page-privacy .pv-clause {
  position: relative;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  padding: clamp(26px, 4vw, 44px) 0 clamp(30px, 4.6vw, 52px);
  border-top: 1px solid var(--by-line);
  scroll-margin-top: 96px;
}

.page-privacy .pv-clause__num {
  margin: 0;
  font-family: var(--by-font-mono);
  font-size: clamp(44px, 8vw, 86px);
  font-weight: 700;
  line-height: .78;
  letter-spacing: -.02em;
  color: var(--by-ice);
  opacity: .42;
  user-select: none;
}

.page-privacy .pv-clause__title {
  margin: 0 0 12px;
  font-size: clamp(20px, 2.5vw, 27px);
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--by-text);
}

.page-privacy .pv-clause__lead {
  margin: 0 0 18px;
  padding-left: 14px;
  border-left: 3px solid var(--by-cyan);
  font-size: clamp(15.5px, 1.7vw, 18px);
  font-weight: 600;
  line-height: 1.65;
  color: var(--by-ice);
}

.page-privacy .pv-clause__body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--by-text);
}

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

/* ---------- 三类信息表 ---------- */
.page-privacy .pv-spec {
  list-style: none;
  margin: 20px 0;
  padding: 0;
  border-top: 1px solid var(--by-line);
}

.page-privacy .pv-spec__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 5px;
  padding: 14px 0;
  border-bottom: 1px solid var(--by-line);
}

.page-privacy .pv-spec__key {
  font-family: var(--by-font-mono);
  font-size: 12.5px;
  letter-spacing: .07em;
  color: var(--by-ice);
}

.page-privacy .pv-spec__val {
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--by-muted);
}

/* ---------- 期限数字 ---------- */
.page-privacy .pv-figures {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 20px 0 22px;
}

.page-privacy .pv-figure {
  display: grid;
  grid-template-columns: auto auto;
  justify-content: start;
  align-items: baseline;
  gap: 0 6px;
  padding: 16px 18px 14px;
  border: 1px solid var(--by-line);
  border-left: 3px solid var(--by-ice);
  background: var(--by-surface);
}

.page-privacy .pv-figure__num {
  font-family: var(--by-font-mono);
  font-size: clamp(30px, 4.4vw, 42px);
  font-weight: 700;
  line-height: 1;
  color: var(--by-ice);
}

.page-privacy .pv-figure__unit {
  font-family: var(--by-font-mono);
  font-size: 13.5px;
  color: var(--by-muted);
}

.page-privacy .pv-figure__label {
  grid-column: 1 / -1;
  margin-top: 9px;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--by-muted);
}

/* ---------- 查询 / 更正 / 删除 ---------- */
.page-privacy .pv-steps {
  list-style: none;
  margin: 20px 0 24px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pv-steps__item {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  border: 1px solid var(--by-line);
  background: rgba(14, 24, 48, .55);
}

.page-privacy .pv-steps__no {
  display: grid;
  place-items: center;
  width: 42px;
  height: 42px;
  border: 2px solid var(--by-cyan);
  font-family: var(--by-font-mono);
  font-size: 16px;
  font-weight: 700;
  color: var(--by-cyan);
}

.page-privacy .pv-steps__title {
  margin: 0 0 5px;
  font-size: 17px;
  font-weight: 800;
  color: var(--by-text);
}

.page-privacy .pv-steps__item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--by-muted);
}

/* ---------- 联系信息 ---------- */
.page-privacy .pv-contact {
  border: 1px solid var(--by-line);
  border-top: 3px solid var(--by-hot);
  background: var(--by-surface);
  padding: 6px 18px;
  margin: 0 0 20px;
}

.page-privacy .pv-contact__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 3px;
  margin: 0;
  padding: 13px 0;
  border-bottom: 1px solid var(--by-line);
}

.page-privacy .pv-contact__row:last-child {
  border-bottom: 0;
}

.page-privacy .pv-contact__k {
  font-family: var(--by-font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--by-muted);
}

.page-privacy .pv-contact__v {
  font-family: var(--by-font-mono);
  font-size: 15px;
  letter-spacing: .03em;
  color: var(--by-text);
  text-decoration: none;
  word-break: break-all;
}

.page-privacy a.pv-contact__v:hover {
  color: var(--by-cyan);
}

.page-privacy a.pv-contact__v:focus-visible {
  outline: 2px solid var(--by-cyan);
  outline-offset: 2px;
}

.page-privacy .pv-inline-cta {
  margin: 22px 0 0;
}

.page-privacy .pv-inline-cta--ghost {
  margin-top: 20px;
}

/* ---------- 版本时间线 ---------- */
.page-privacy .pv-timeline {
  display: grid;
  gap: 0;
  margin: 20px 0 22px;
  border-left: 1px solid var(--by-line);
}

.page-privacy .pv-timeline__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 14px 0 14px 18px;
  position: relative;
}

.page-privacy .pv-timeline__item::before {
  content: "";
  position: absolute;
  left: -4px;
  top: 20px;
  width: 7px;
  height: 7px;
  background: var(--by-ice);
}

.page-privacy .pv-timeline__item:first-child::before {
  background: var(--by-cyan);
  box-shadow: 0 0 8px var(--by-cyan);
}

.page-privacy .pv-timeline__tag {
  justify-self: start;
  padding: 3px 9px;
  border: 1px solid var(--by-cyan);
  font-family: var(--by-font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--by-cyan);
}

.page-privacy .pv-timeline__tag--ghost {
  border-color: var(--by-line);
  color: var(--by-muted);
}

.page-privacy .pv-timeline__name {
  font-family: var(--by-font-mono);
  font-size: 15px;
  letter-spacing: .03em;
  color: var(--by-text);
}

.page-privacy .pv-timeline__note {
  font-size: 14px;
  line-height: 1.6;
  color: var(--by-muted);
}

/* ---------- 收尾 ---------- */
.page-privacy .pv-end {
  margin-top: clamp(24px, 3.4vw, 40px);
  padding: clamp(24px, 3.4vw, 36px);
  border: var(--by-border);
  border-left: 3px solid var(--by-hot);
  background: var(--by-surface);
  box-shadow: var(--by-shadow-hard);
}

.page-privacy .pv-end__text {
  margin: 0 0 18px;
  font-size: clamp(16px, 1.7vw, 18px);
  line-height: 1.72;
  color: var(--by-text);
}

.page-privacy .pv-end__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 动效 ---------- */
@keyframes pv-breath {
  0%, 100% { opacity: 1; }
  50% { opacity: .35; }
}

/* ---------- 窄屏到桌面 ---------- */
@media (min-width: 560px) {
  .page-privacy .pv-figures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-contact__row {
    grid-template-columns: 108px minmax(0, 1fr);
    align-items: baseline;
    gap: 14px;
  }
}

@media (min-width: 760px) {
  .page-privacy .pv-clause {
    grid-template-columns: 132px minmax(0, 1fr);
    column-gap: clamp(20px, 3vw, 40px);
  }

  .page-privacy .pv-clause__num {
    grid-column: 1;
  }

  .page-privacy .pv-clause__body {
    grid-column: 2;
  }

  .page-privacy .pv-spec__row {
    grid-template-columns: 126px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .pv-timeline__item {
    grid-template-columns: 132px minmax(0, 1fr);
    align-items: baseline;
    gap: 4px 16px;
  }

  .page-privacy .pv-timeline__tag {
    grid-row: 1 / span 2;
    justify-self: stretch;
    text-align: center;
    align-self: start;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-hero__inner {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
    gap: clamp(36px, 4.5vw, 64px);
  }

  .page-privacy .pv-body {
    grid-template-columns: minmax(0, 3fr) minmax(0, 8fr);
    gap: clamp(40px, 5vw, 84px);
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 84px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-version__dot {
    animation: none;
  }

  .page-privacy .pv-toc__link {
    transition: none;
  }
}
</PAGE_CSS>>>