.page-privacy {
  --pr-read: 40rem;
  --pr-hairline: rgba(7, 26, 43, 0.22);
  background: var(--ink-900);
  color: var(--paper-white);
}

/* ---------- 首屏 ---------- */
.page-privacy .pr-head {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.2rem, 5vw, 3.6rem) clamp(1.8rem, 4vw, 2.8rem);
  background: var(--ink-900);
  color: var(--paper-white);
}

.page-privacy .pr-head::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, transparent 0 47px, rgba(155, 170, 184, 0.09) 47px 48px),
    repeating-linear-gradient(90deg, transparent 0 47px, rgba(155, 170, 184, 0.09) 47px 48px);
  -webkit-mask-image: radial-gradient(120% 95% at 82% 0%, #000 18%, transparent 74%);
  mask-image: radial-gradient(120% 95% at 82% 0%, #000 18%, transparent 74%);
}

.page-privacy .pr-head .px-wrap {
  position: relative;
  z-index: 1;
}

.page-privacy .pr-head__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(1.4rem, 4vw, 2.6rem);
  align-items: end;
  margin-top: 1.4rem;
}

.page-privacy .pr-head h1 {
  margin: 0.55rem 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2.1rem, 7vw, 4.2rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper-white);
}

.page-privacy .pr-head .px-lede {
  max-width: 34rem;
  margin: 0;
  color: var(--cool);
  font-size: clamp(0.95rem, 1.6vw, 1.05rem);
  line-height: 1.85;
}

.page-privacy .pr-head__aside {
  border-left: 2px solid var(--pulse);
  padding-left: 1rem;
}

.page-privacy .pr-head__aside p {
  margin: 0 0 0.3rem;
  font-size: 0.88rem;
  line-height: 1.6;
  color: var(--paper-white);
  overflow-wrap: anywhere;
}

.page-privacy .pr-head__aside .px-mono {
  margin: 0.75rem 0 0.1rem;
  font-size: 0.7rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cool);
}

.page-privacy .pr-head__aside .px-mono:first-child {
  margin-top: 0;
}

.page-privacy .pr-pulse {
  position: relative;
  height: 2px;
  margin-top: clamp(1.6rem, 4vw, 2.6rem);
  background: linear-gradient(90deg, var(--pulse) 0%, rgba(47, 227, 200, 0.4) 22%, rgba(47, 227, 200, 0.12) 100%);
  overflow: hidden;
}

.page-privacy .pr-pulse::after {
  content: "";
  position: absolute;
  top: -3px;
  left: -46px;
  width: 46px;
  height: 8px;
  background: var(--signal);
  clip-path: polygon(0 0, 100% 50%, 0 100%);
  animation: pr-scan 6s linear infinite;
}

@keyframes pr-scan {
  0% { left: -46px; }
  100% { left: 100%; }
}

/* ---------- 阅读区 ---------- */
.page-privacy .pr-doc {
  background: var(--paper);
  color: var(--ink-900);
  padding-block: clamp(1.8rem, 4vw, 3rem) clamp(2.4rem, 5vw, 4rem);
}

.page-privacy .pr-figure {
  margin: 0 0 clamp(1.6rem, 4vw, 2.6rem);
}

.page-privacy .pr-figure .px-figure__frame {
  border-radius: 0;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 26px) 100%, 0 100%);
  background: var(--ink-800);
}

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

.page-privacy .pr-figure .px-figure__cap {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.74rem;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--archive);
}

/* ---------- 条款索引 ---------- */
.page-privacy .pr-toc {
  margin-bottom: clamp(1.6rem, 3.5vw, 2.4rem);
  padding-top: 0.9rem;
  border-top: 2px solid var(--ink-900);
}

.page-privacy .pr-toc__caption {
  margin: 0 0 0.75rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--archive);
}

.page-privacy .pr-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.3rem 0.6rem;
}

.page-privacy .pr-toc__link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.45rem 0.55rem;
  font-size: 0.86rem;
  line-height: 1.5;
  color: var(--ink-900);
  text-decoration: none;
  border: 1px solid transparent;
  transition: background var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-privacy .pr-toc__no {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--archive);
}

.page-privacy .pr-toc__link:hover {
  background: var(--paper-white);
  border-color: var(--rule);
}

.page-privacy .pr-toc__link:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--archive);
  background: var(--paper-white);
}

/* ---------- 摘要展开 ---------- */
.page-privacy .pr-summary {
  margin: 0 0 clamp(1.8rem, 4vw, 2.6rem);
  padding: 0.9rem 1.1rem;
  background: var(--paper-white);
  border: 1px solid var(--rule);
  clip-path: polygon(0 0, calc(100% - 18px) 0, 100% 18px, 100% 100%, 0 100%);
}

.page-privacy .pr-summary summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.78rem;
  letter-spacing: 0.12em;
  color: var(--archive);
}

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

.page-privacy .pr-summary summary::after {
  content: " ＋";
}

.page-privacy .pr-summary[open] summary::after {
  content: " －";
}

.page-privacy .pr-summary summary:focus-visible {
  outline: none;
  box-shadow: inset 0 0 0 2px var(--archive);
}

.page-privacy .pr-summary ul {
  margin: 0.8rem 0 0;
  padding-left: 1.1rem;
  font-size: 0.86rem;
  line-height: 1.8;
  color: var(--ink-800);
}

.page-privacy .pr-summary li {
  margin-bottom: 0.35rem;
}

.page-privacy .pr-summary li:last-child {
  margin-bottom: 0;
}

/* ---------- 条款 ---------- */
.page-privacy .pr-clause {
  padding-block: clamp(1.5rem, 3.4vw, 2.2rem);
  border-top: 1px dashed var(--pr-hairline);
  scroll-margin-top: 5.5rem;
}

.page-privacy .pr-clause:first-of-type {
  border-top: 0;
  padding-top: 0.4rem;
}

.page-privacy .pr-clause__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 0.4rem 0.85rem;
  align-items: baseline;
  margin-bottom: 0.85rem;
}

.page-privacy .pr-clause__no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(1.25rem, 3.2vw, 1.85rem);
  line-height: 1;
  color: var(--archive);
}

.page-privacy .pr-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.12rem, 2.6vw, 1.45rem);
  line-height: 1.4;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-privacy .pr-clause__body {
  max-width: var(--pr-read);
  font-size: 0.94rem;
  line-height: 1.9;
  color: var(--ink-800);
}

.page-privacy .pr-clause__body p {
  margin: 0 0 0.9rem;
}

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

.page-privacy .pr-clause__body ul {
  list-style: none;
  margin: 0 0 0.9rem;
  padding: 0;
}

.page-privacy .pr-clause__body li {
  position: relative;
  padding-left: 1.15rem;
  margin-bottom: 0.55rem;
}

.page-privacy .pr-clause__body li:last-child {
  margin-bottom: 0;
}

.page-privacy .pr-clause__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.5rem;
  height: 1px;
  background: var(--archive);
}

.page-privacy .pr-clause__body strong {
  font-weight: 700;
  color: var(--ink-900);
}

.page-privacy .pr-clause__body a {
  color: var(--archive);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pr-clause__aside {
  max-width: var(--pr-read);
  margin: 1rem 0 0;
  padding: 0.7rem 0.9rem;
  background: var(--paper-white);
  border-left: 3px solid var(--brass);
  font-size: 0.83rem;
  line-height: 1.78;
  color: var(--ink-800);
}

.page-privacy .pr-clause__aside a {
  color: var(--archive);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系条款（深色反差块） ---------- */
.page-privacy .pr-clause--contact {
  margin-top: clamp(1.4rem, 3.5vw, 2.2rem);
  padding: clamp(1.3rem, 3.5vw, 2.2rem);
  background: var(--ink-900);
  border-top: 0;
  clip-path: polygon(0 0, calc(100% - 24px) 0, 100% 24px, 100% 100%, 0 100%);
}

.page-privacy .pr-clause--contact .pr-clause__no {
  color: var(--pulse);
}

.page-privacy .pr-clause--contact .pr-clause__title {
  color: var(--paper-white);
}

.page-privacy .pr-clause--contact .pr-clause__body {
  color: var(--cool);
}

.page-privacy .pr-clause--contact .pr-clause__body strong {
  color: var(--paper-white);
}

.page-privacy .pr-clause--contact .pr-clause__body a {
  color: var(--pulse);
}

.page-privacy .pr-clause--contact .pr-clause__body li::before {
  background: var(--pulse);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .pr-backtop {
  margin: clamp(1.8rem, 4vw, 2.8rem) 0 0;
  padding-top: 1rem;
  border-top: 1px dashed var(--pr-hairline);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
}

.page-privacy .pr-backtop a {
  color: var(--archive);
  text-decoration: none;
}

.page-privacy .pr-backtop a:hover {
  text-decoration: underline;
}

.page-privacy .pr-backtop a:focus-visible {
  outline: none;
  box-shadow: inset 0 -2px 0 var(--archive);
}

/* ---------- 断点 ---------- */
@media (min-width: 640px) {
  .page-privacy .pr-clause__head {
    grid-template-columns: 3.6rem minmax(0, 1fr);
  }

  .page-privacy .pr-clause__body,
  .page-privacy .pr-clause__aside {
    margin-left: 4.45rem;
  }

  .page-privacy .pr-clause__aside {
    margin-top: 1.1rem;
    margin-right: 0;
  }
}

@media (min-width: 900px) {
  .page-privacy .pr-head__grid {
    grid-template-columns: minmax(0, 1fr) 15rem;
  }

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

  .page-privacy .pr-summary {
    max-width: 46rem;
  }
}

@media (min-width: 1080px) {
  .page-privacy .pr-toc__list {
    grid-template-columns: repeat(6, minmax(0, 1fr));
  }

  .page-privacy .pr-toc__link {
    flex-direction: column;
    gap: 0.2rem;
    padding: 0.55rem 0.5rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pr-pulse::after {
    animation: none;
    left: 0;
  }

  .page-privacy .pr-toc__link {
    transition: none;
  }
}

@media print {
  .page-privacy .pr-head::before,
  .page-privacy .pr-pulse,
  .page-privacy .pr-toc,
  .page-privacy .pr-backtop {
    display: none;
  }

  .page-privacy,
  .page-privacy .pr-doc {
    background: #fff;
    color: #000;
  }

  .page-privacy .pr-clause--contact {
    background: #fff;
    clip-path: none;
    border: 1px solid #999;
  }

  .page-privacy .pr-clause--contact .pr-clause__title,
  .page-privacy .pr-clause--contact .pr-clause__body,
  .page-privacy .pr-clause--contact .pr-clause__body strong {
    color: #000;
  }
}
<<<END>>>