.page-privacy {
  --pv-measure: 680px;
  --pv-rail: 200px;
  position: relative;
  isolation: isolate;
  overflow-x: clip;
  background: var(--bs-void);
  color: var(--bs-ink);
  font-family: var(--bs-font);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background:
    linear-gradient(158deg, rgba(16, 36, 58, 0.62), rgba(5, 8, 15, 0) 44%),
    repeating-linear-gradient(115deg, rgba(31, 58, 82, 0.18) 0 1px, transparent 1px 26px),
    repeating-linear-gradient(25deg, rgba(122, 75, 232, 0.07) 0 1px, transparent 1px 44px),
    radial-gradient(120% 58% at 84% 0%, rgba(37, 224, 200, 0.1), transparent 62%),
    radial-gradient(90% 46% at 6% 92%, rgba(242, 92, 31, 0.08), transparent 60%);
}

/* ---------- 页头 ---------- */
.page-privacy .pv-hero {
  padding: clamp(26px, 5vw, 58px) 0 0;
}

.page-privacy .pv-hero__eyebrow {
  margin-top: clamp(18px, 3vw, 30px);
}

.page-privacy .pv-hero h1 {
  margin: 12px 0 0;
  max-width: 15em;
  font-size: clamp(30px, 5.6vw, 54px);
  font-weight: 800;
  line-height: 1.04;
  letter-spacing: -0.02em;
  color: var(--bs-ink);
}

.page-privacy .pv-hero__lede {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 44em;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--bs-muted);
}

.page-privacy .pv-banner {
  position: relative;
  margin: clamp(24px, 4vw, 44px) 0 0;
  border-bottom: 1px solid var(--bs-line-soft);
}

.page-privacy .pv-banner__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.72);
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

.page-privacy .pv-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(118deg, rgba(5, 8, 15, 0.6), rgba(37, 224, 200, 0.12) 56%, rgba(242, 92, 31, 0.16));
  clip-path: polygon(0 0, 100% 0, 100% 88%, 0 100%);
}

/* ---------- 主区栅格 ---------- */
.page-privacy .pv-body {
  padding: clamp(30px, 5vw, 64px) 0 clamp(56px, 8vw, 104px);
}

.page-privacy .pv-body__grid {
  width: 100%;
  max-width: var(--bs-max);
  margin-inline: auto;
  padding-inline: var(--bs-gutter);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 30px);
}

.page-privacy .pv-content {
  min-width: 0;
}

/* ---------- 条款目录 ---------- */
.page-privacy .pv-rail {
  min-width: 0;
  position: sticky;
  top: calc(var(--bs-hd-h-sm) + 8px);
  z-index: 4;
  padding: 8px 10px;
  background: rgba(11, 21, 38, 0.88);
  border: 1px solid var(--bs-line-soft);
  border-radius: 2px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-privacy .pv-rail__title {
  display: none;
  margin: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bs-muted);
}

.page-privacy .pv-rail__list {
  display: flex;
  gap: 6px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .pv-rail__item {
  flex: 0 0 auto;
}

.page-privacy .pv-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: 2px;
  color: var(--bs-muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--bs-ease), background-color 0.2s var(--bs-ease),
    border-color 0.2s var(--bs-ease), transform 0.2s var(--bs-ease);
}

.page-privacy .pv-rail__link:hover {
  color: var(--bs-ink);
}

.page-privacy .pv-rail__link[data-active="true"] {
  color: var(--bs-ink);
  background: rgba(242, 92, 31, 0.14);
  border-color: rgba(242, 92, 31, 0.45);
}

.page-privacy .pv-rail__num {
  font-family: var(--bs-mono);
  font-size: 11.5px;
  font-weight: 700;
  letter-spacing: 0.06em;
  color: var(--bs-orange);
}

.page-privacy .pv-rail__top {
  display: none;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--bs-line-soft);
  font-size: 13px;
  color: var(--bs-muted);
  text-decoration: none;
}

.page-privacy .pv-rail__top:hover {
  color: var(--bs-cyan);
}

/* ---------- 条款正文 ---------- */
.page-privacy .pv-sec {
  scroll-margin-top: calc(var(--bs-hd-h-sm) + 28px);
  padding-top: clamp(20px, 3vw, 28px);
  border-top: 1px solid var(--bs-line-soft);
}

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

.page-privacy .pv-sec + .pv-sec {
  margin-top: clamp(30px, 4.4vw, 52px);
}

.page-privacy .pv-sec__num {
  display: inline-block;
  margin: 0;
  padding: 3px 9px;
  font-family: var(--bs-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--bs-orange);
  background: rgba(242, 92, 31, 0.1);
  border: 1px solid rgba(242, 92, 31, 0.4);
  border-radius: 2px;
}

.page-privacy .pv-sec h2 {
  margin: 12px 0 0;
  font-size: clamp(20px, 2.6vw, 27px);
  font-weight: 800;
  line-height: 1.32;
  letter-spacing: -0.01em;
  color: var(--bs-ink);
}

.page-privacy .pv-sec p {
  margin: 16px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: rgba(232, 238, 247, 0.82);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0 0 0 16px;
  border-left: 2px solid var(--bs-line);
}

.page-privacy .pv-list > li {
  margin: 0 0 14px;
  padding: 0 0 0 12px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(232, 238, 247, 0.82);
}

.page-privacy .pv-list > li:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-list > li strong {
  font-weight: 700;
  color: var(--bs-cyan);
}

.page-privacy .pv-sec a,
.page-privacy .pv-callout a {
  color: var(--bs-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(37, 224, 200, 0.42);
  transition: color 0.2s var(--bs-ease), border-color 0.2s var(--bs-ease);
}

.page-privacy .pv-sec a:hover,
.page-privacy .pv-callout a:hover {
  color: var(--bs-orange);
  border-bottom-color: rgba(242, 92, 31, 0.62);
}

.page-privacy .pv-mail {
  display: inline;
  padding: 1px 6px;
  font-family: var(--bs-mono);
  font-size: 14.5px;
  color: var(--bs-cyan);
  background: rgba(37, 224, 200, 0.09);
  border: 1px dashed rgba(37, 224, 200, 0.42);
  border-radius: 2px;
  word-break: break-all;
}

/* 折叠细则 */
.page-privacy .pv-fold {
  margin: 20px 0 0;
  border: 1px solid var(--bs-line-soft);
  background: var(--bs-glass);
  border-radius: 2px;
  overflow: hidden;
  backdrop-filter: blur(6px);
  -webkit-backdrop-filter: blur(6px);
}

.page-privacy .pv-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  font-size: 14.5px;
  font-weight: 600;
  color: var(--bs-ink);
  list-style: none;
}

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

.page-privacy .pv-fold > summary::after {
  content: "+";
  font-family: var(--bs-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--bs-orange);
}

.page-privacy .pv-fold[open] > summary::after {
  content: "–";
}

.page-privacy .pv-fold > p {
  margin: 0;
  padding: 0 16px 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bs-muted);
}

/* 协助提示块 */
.page-privacy .pv-callout {
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: clamp(18px, 3vw, 26px);
  border: 1px solid rgba(122, 75, 232, 0.42);
  border-left: 3px solid var(--bs-violet);
  border-radius: 2px;
  background: linear-gradient(135deg, rgba(122, 75, 232, 0.16), rgba(11, 21, 38, 0.62) 62%);
}

.page-privacy .pv-callout__label {
  margin: 0;
  padding: 0;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--bs-cyan);
}

.page-privacy .pv-callout p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: rgba(232, 238, 247, 0.84);
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-privacy .pv-body__grid {
    grid-template-columns: minmax(0, var(--pv-measure)) var(--pv-rail);
    grid-template-areas: "content rail";
    justify-content: space-between;
    align-items: start;
    gap: clamp(32px, 5vw, 72px);
  }

  .page-privacy .pv-content {
    grid-area: content;
  }

  .page-privacy .pv-rail {
    grid-area: rail;
    position: sticky;
    top: calc(var(--bs-hd-h) + 24px);
    padding: 16px 0 0;
    background: transparent;
    border: 0;
    border-top: 1px solid var(--bs-line);
    border-radius: 0;
    backdrop-filter: none;
    -webkit-backdrop-filter: none;
  }

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

  .page-privacy .pv-rail__list {
    display: block;
    margin-top: 12px;
    padding: 0;
    overflow: visible;
  }

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

  .page-privacy .pv-rail__item + .pv-rail__item {
    margin-top: 2px;
  }

  .page-privacy .pv-rail__link {
    display: flex;
    width: 100%;
    padding: 8px 0 8px 13px;
    border: 0;
    border-left: 1px solid var(--bs-line-soft);
    border-radius: 0;
    white-space: normal;
    line-height: 1.5;
    letter-spacing: 0.02em;
    transform: translateX(0);
  }

  .page-privacy .pv-rail__link:hover {
    border-left-color: var(--bs-cyan);
  }

  .page-privacy .pv-rail__link[data-active="true"] {
    background: transparent;
    border-color: transparent;
    border-left: 2px solid var(--bs-orange);
    padding-left: 12px;
    color: var(--bs-ink);
    transform: translateX(4px);
  }

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

  .page-privacy .pv-sec {
    scroll-margin-top: calc(var(--bs-hd-h) + 28px);
  }
}

@media (max-width: 480px) {
  .page-privacy .pv-hero h1 {
    font-size: 28px;
  }

  .page-privacy .pv-list {
    padding-left: 12px;
  }

  .page-privacy .pv-list > li {
    padding-left: 10px;
    font-size: 15px;
  }

  .page-privacy .pv-sec p {
    font-size: 15px;
  }

  .page-privacy .pv-banner__img {
    aspect-ratio: 4 / 3;
  }
}
<<<END>>>