.page-privacy {
  --privacy-measure: 720px;
  --privacy-rail: 200px;
  --privacy-gap: clamp(1.5rem, 5vw, 5rem);
  background: var(--ink-900);
  color: var(--text);
  overflow-x: clip;
}

.page-privacy .breadcrumb {
  padding-block: 1.25rem .5rem;
}

/* ---------- 顶部留白与视觉焦点 ---------- */

.page-privacy .privacy-hero {
  padding-block: clamp(1.5rem, 4vw, 3rem) clamp(2.5rem, 7vw, 5.5rem);
}

.page-privacy .privacy-hero__band {
  position: relative;
  margin: 0;
  height: clamp(170px, 24vw, 330px);
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background:
    radial-gradient(120% 140% at 12% 0%, rgba(18, 70, 62, .85), rgba(10, 14, 12, 0) 62%),
    var(--ink-800);
}

.page-privacy .privacy-hero__band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  filter: saturate(.8) contrast(1.06);
}

.page-privacy .privacy-hero__band::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(10, 14, 12, 0) 34%, rgba(10, 14, 12, .88) 100%),
    repeating-linear-gradient(180deg, rgba(63, 224, 200, .05) 0 1px, rgba(63, 224, 200, 0) 1px 4px);
}

.page-privacy .privacy-hero__copy {
  display: grid;
  grid-template-columns: var(--privacy-rail) minmax(0, var(--privacy-measure));
  column-gap: var(--privacy-gap);
  margin-top: clamp(1.75rem, 4vw, 3rem);
}

.page-privacy .privacy-hero__copy > * {
  grid-column: 2;
}

.page-privacy .privacy-hero .eyebrow {
  margin: 0 0 .9rem;
  font-family: var(--font-mono);
  font-size: .75rem;
  letter-spacing: .18em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-privacy .privacy-hero__title {
  margin: 0 0 1.1rem;
  font-family: var(--font-display);
  font-size: clamp(1.85rem, 4.4vw, 3.1rem);
  line-height: 1.16;
  letter-spacing: .01em;
  color: var(--paper);
  font-weight: 700;
}

.page-privacy .privacy-hero__lede {
  margin: 0 0 1.25rem;
  font-size: clamp(1rem, 1.4vw, 1.125rem);
  line-height: 1.78;
  color: var(--text);
}

.page-privacy .privacy-hero__meta {
  margin: 0;
  font-size: .8125rem;
  letter-spacing: .04em;
  color: var(--muted);
  padding-top: 1rem;
  border-top: 1px solid var(--line-soft);
}

/* ---------- 正文两栏 ---------- */

.page-privacy .privacy-body {
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

.page-privacy .privacy-body__grid {
  display: grid;
  grid-template-columns: var(--privacy-rail) minmax(0, var(--privacy-measure));
  column-gap: var(--privacy-gap);
}

/* ---------- 侧边章节锚点 ---------- */

.page-privacy .privacy-body__rail .anchor-nav {
  position: sticky;
  top: calc(var(--header-h) + 2.25rem);
}

.page-privacy .anchor-nav__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .1rem;
}

.page-privacy .anchor-nav__link {
  display: grid;
  grid-template-columns: 2.4ch minmax(0, 1fr);
  gap: .6rem;
  align-items: baseline;
  padding: .38rem 0 .38rem .7rem;
  border-left: 1px solid var(--line);
  color: var(--muted);
  font-size: .8125rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), padding-left var(--dur) var(--ease);
}

.page-privacy .anchor-nav__link .mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .6875rem;
  letter-spacing: .04em;
  color: var(--muted);
  transition: color var(--dur) var(--ease);
}

.page-privacy .anchor-nav__link:hover,
.page-privacy .anchor-nav__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  padding-left: .95rem;
}

.page-privacy .anchor-nav__link:hover .mono,
.page-privacy .anchor-nav__link[aria-current="true"] .mono {
  color: var(--cyan);
}

.page-privacy .anchor-nav__link[aria-current="true"] {
  color: var(--cyan);
  border-left-color: var(--cyan);
}

/* ---------- 条款 ---------- */

.page-privacy .privacy-body__article {
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-clause {
  padding-block: clamp(1.6rem, 3.2vw, 2.5rem);
  border-top: 1px solid var(--line-soft);
}

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

.page-privacy .privacy-clause:last-child {
  padding-bottom: 0;
}

.page-privacy .privacy-clause__title {
  display: grid;
  grid-template-columns: 3ch minmax(0, 1fr);
  column-gap: .85rem;
  align-items: baseline;
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.15rem, 2.1vw, 1.5rem);
  line-height: 1.35;
  letter-spacing: .03em;
  color: var(--paper);
  font-weight: 700;
}

.page-privacy .privacy-clause__num {
  font-size: .8125rem;
  letter-spacing: 0;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  transform: translateY(-.12em);
}

.page-privacy .privacy-clause__body p {
  margin: 0 0 .85rem;
  font-size: 1rem;
  line-height: 1.78;
  color: var(--text);
}

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

/* ---------- 保存期限列表 ---------- */

.page-privacy .privacy-terms {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
}

.page-privacy .privacy-terms li {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 1rem;
  align-items: baseline;
  padding: .7rem 0;
  border-top: 1px solid var(--line-soft);
  font-size: .9375rem;
  line-height: 1.6;
}

.page-privacy .privacy-terms li:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .privacy-terms__label {
  color: var(--text);
}

.page-privacy .privacy-terms__val {
  font-size: .875rem;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
  white-space: nowrap;
}

/* ---------- 折叠面板 ---------- */

.page-privacy .privacy-fold {
  margin-top: 1.1rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: rgba(16, 32, 26, .62);
}

.page-privacy .privacy-fold .fold__summary {
  display: flex;
  align-items: center;
  gap: .6rem;
  padding: .85rem 1.05rem;
  cursor: pointer;
  list-style: none;
  font-size: .875rem;
  line-height: 1.5;
  color: var(--text);
  transition: color var(--dur) var(--ease);
}

.page-privacy .privacy-fold .fold__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-fold .fold__summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: .8125rem;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .privacy-fold[open] .fold__summary::before {
  content: "−";
}

.page-privacy .privacy-fold .fold__summary:hover {
  color: var(--paper);
}

.page-privacy .privacy-fold .fold__body {
  padding: 0 1.05rem 1.05rem 2.2rem;
  font-size: .875rem;
  line-height: 1.78;
  color: var(--muted);
}

.page-privacy .privacy-fold .fold__body ul {
  margin: 0;
  padding-left: 1rem;
  display: grid;
  gap: .4rem;
}

/* ---------- 四步权利路径 ---------- */

.page-privacy .privacy-steps {
  list-style: none;
  margin: 1.4rem 0 0;
  padding: 1px;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 1px;
  background: var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.page-privacy .privacy-steps__item {
  display: grid;
  align-content: start;
  gap: .5rem;
  padding: 1.15rem 1rem 1.3rem;
  background: var(--ink-800);
}

.page-privacy .privacy-steps__num {
  font-size: .6875rem;
  letter-spacing: .16em;
  color: var(--cyan);
}

.page-privacy .privacy-steps__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: 1rem;
  line-height: 1.4;
  letter-spacing: .04em;
  color: var(--paper);
  font-weight: 700;
}

.page-privacy .privacy-steps__item p {
  margin: 0;
  font-size: .8125rem;
  line-height: 1.72;
  color: var(--muted);
}

/* ---------- 页尾带 ---------- */

.page-privacy .privacy-tail {
  border-top: 1px solid var(--line-soft);
  padding-block: clamp(1.75rem, 4vw, 2.75rem) clamp(3rem, 7vw, 5rem);
}

.page-privacy .privacy-tail__inner {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 2rem;
  align-items: center;
  justify-content: space-between;
}

.page-privacy .privacy-tail__note {
  margin: 0;
  max-width: 62ch;
  font-size: .875rem;
  line-height: 1.75;
  color: var(--muted);
}

.page-privacy .privacy-tail__note a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(63, 224, 200, .35);
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

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

.page-privacy .privacy-tail__top {
  flex: 0 0 auto;
}

/* ---------- 响应式 ---------- */

@media (max-width: 1024px) {
  .page-privacy .privacy-hero__copy,
  .page-privacy .privacy-body__grid {
    grid-template-columns: minmax(0, 1fr);
    column-gap: 0;
  }

  .page-privacy .privacy-hero__copy > * {
    grid-column: 1;
  }

  .page-privacy .privacy-body__rail {
    margin-bottom: 2.25rem;
  }

  .page-privacy .privacy-body__rail .anchor-nav {
    position: static;
  }

  .page-privacy .anchor-nav__list {
    display: flex;
    gap: .4rem;
    overflow-x: auto;
    padding-bottom: .45rem;
    scrollbar-width: thin;
  }

  .page-privacy .anchor-nav__item {
    flex: 0 0 auto;
  }

  .page-privacy .anchor-nav__link {
    display: flex;
    align-items: baseline;
    gap: .45rem;
    white-space: nowrap;
    border-left: 0;
    border-bottom: 2px solid transparent;
    padding: .4rem .55rem;
  }

  .page-privacy .anchor-nav__link:hover,
  .page-privacy .anchor-nav__link:focus-visible {
    padding-left: .55rem;
  }

  .page-privacy .anchor-nav__link[aria-current="true"] {
    border-left-color: transparent;
    border-bottom-color: var(--cyan);
  }
}

@media (max-width: 860px) {
  .page-privacy .privacy-steps {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 720px) {
  .page-privacy .privacy-terms li {
    grid-template-columns: minmax(0, 1fr);
    gap: .25rem;
  }

  .page-privacy .privacy-terms__val {
    white-space: normal;
  }

  .page-privacy .privacy-clause__title {
    grid-template-columns: 2.4ch minmax(0, 1fr);
    column-gap: .7rem;
  }
}

@media (max-width: 560px) {
  .page-privacy .privacy-steps {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .privacy-hero__band {
    height: 190px;
  }

  .page-privacy .privacy-tail__inner {
    flex-direction: column;
    align-items: flex-start;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .anchor-nav__link,
  .page-privacy .privacy-tail__note a,
  .page-privacy .privacy-fold .fold__summary {
    transition: none;
  }
}
<<<END>>>