.page-privacy {
  background: var(--bp-void);
  color: var(--bp-gray);
  font-family: var(--bp-sans);
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  padding-block: 28px 44px;
  border-bottom: 1px solid var(--bp-line);
  background:
    radial-gradient(120% 110% at 92% 0%, rgba(37, 230, 216, 0.13), transparent 58%),
    radial-gradient(90% 80% at 0% 100%, rgba(255, 90, 43, 0.09), transparent 62%),
    var(--bp-void);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(37, 230, 216, 0.08) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(37, 230, 216, 0.08) 1px, transparent 1px);
  background-size: 68px 68px;
  pointer-events: none;
}

.page-privacy .pp-hero__inner {
  position: relative;
  display: grid;
  gap: 28px;
}

.page-privacy .pp-hero__kick {
  margin: 18px 0 10px;
  color: var(--bp-cyan);
}

.page-privacy .pp-hero__title {
  margin: 0 0 16px;
  font-size: clamp(1.9rem, 6vw, 3.3rem);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--bp-paper);
  max-width: 15em;
}

.page-privacy .pp-hero__lead {
  margin: 0;
  color: var(--bp-gray);
  max-width: 34em;
}

.page-privacy .pp-hero__facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-size: 13px;
  color: var(--bp-mute);
}

.page-privacy .pp-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-privacy .pp-hero__facts-num {
  color: var(--bp-hot);
  font-size: 1.1rem;
}

.page-privacy .pp-hero__facts-key {
  color: var(--bp-mist);
  font-family: var(--bp-mono);
  font-size: 12px;
  letter-spacing: 0.02em;
}

.page-privacy .pp-hero__figure {
  margin: 0;
}

.page-privacy .pp-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  border: 1px solid var(--bp-line);
  border-radius: var(--bp-r);
  background: var(--bp-panel);
}

.page-privacy .pp-hero__figure .bp-media__caption {
  margin-top: 10px;
  font-size: 12px;
  color: var(--bp-anno);
  letter-spacing: 0.04em;
}

/* ---------- 主栅格 ---------- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-block: 34px 84px;
}

/* ---------- 章节索引 ---------- */
.page-privacy .pp-index {
  border-top: 1px solid var(--bp-line);
  border-bottom: 1px solid var(--bp-line);
  padding-block: 14px;
  min-width: 0;
}

.page-privacy .pp-index__label {
  margin: 0 0 12px;
  color: var(--bp-anno);
}

.page-privacy .pp-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pp-index__list li {
  flex: 0 0 auto;
}

.page-privacy .pp-index__list a {
  display: flex;
  align-items: center;
  gap: 8px;
  min-height: 44px;
  padding: 8px 13px;
  font-size: 13px;
  white-space: nowrap;
  text-decoration: none;
  color: var(--bp-gray);
  background: rgba(11, 23, 41, 0.72);
  border: 1px solid var(--bp-line);
  border-radius: var(--bp-r);
  transition: color 0.2s ease, border-color 0.2s ease, background 0.2s ease;
}

.page-privacy .pp-index__list a .bp-num {
  color: var(--bp-teal);
  font-size: 12px;
}

.page-privacy .pp-index__list a:hover,
.page-privacy .pp-index__list a:focus-visible {
  color: var(--bp-cyan);
  border-color: var(--bp-cyan);
  background: rgba(37, 230, 216, 0.08);
}

.page-privacy .pp-index__top {
  display: none;
}

/* ---------- 正文 ---------- */
.page-privacy .pp-doc {
  min-width: 0;
  max-width: 44em;
}

.page-privacy .pp-sec {
  padding-block: 30px;
  border-top: 1px solid var(--bp-line);
  scroll-margin-top: 108px;
}

.page-privacy .pp-sec:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pp-sec:target {
  background: linear-gradient(90deg, rgba(37, 230, 216, 0.07), transparent 62%);
  border-top-color: var(--bp-cyan);
}

.page-privacy .pp-sec__title {
  margin: 0 0 14px;
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: clamp(1.15rem, 3.4vw, 1.45rem);
  line-height: 1.4;
  font-weight: 800;
  color: var(--bp-paper);
  letter-spacing: -0.01em;
}

.page-privacy .pp-sec__no {
  flex: 0 0 auto;
  font-size: 0.8em;
  color: var(--bp-cyan);
  letter-spacing: 0.06em;
}

.page-privacy .pp-sec > p {
  margin: 0 0 4px;
  line-height: 1.8;
}

.page-privacy .pp-list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 11px;
  line-height: 1.8;
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.85em;
  width: 8px;
  height: 1px;
  background: var(--bp-teal);
}

.page-privacy .pp-list a {
  color: var(--bp-cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pp-list a:hover,
.page-privacy .pp-list a:focus-visible {
  color: var(--bp-amber);
}

.page-privacy .pp-list .bp-num {
  color: var(--bp-mist);
  font-size: 1rem;
}

/* ---------- 折叠条款 ---------- */
.page-privacy .pp-fold {
  margin-top: 20px;
  border: 1px solid var(--bp-line);
  border-radius: var(--bp-r);
  background: rgba(11, 23, 41, 0.7);
}

.page-privacy .pp-fold summary {
  min-height: 44px;
  display: flex;
  align-items: center;
  padding: 11px 16px;
  cursor: pointer;
  font-size: 0.94rem;
  color: var(--bp-mist);
  list-style: none;
}

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

.page-privacy .pp-fold summary::before {
  content: "＋";
  margin-right: 10px;
  color: var(--bp-cyan);
  font-family: var(--bp-mono);
}

.page-privacy .pp-fold[open] summary::before {
  content: "－";
}

.page-privacy .pp-fold summary:focus-visible {
  outline: 2px solid var(--bp-cyan);
  outline-offset: -2px;
}

.page-privacy .pp-fold__body {
  padding: 0 16px 16px 42px;
}

.page-privacy .pp-fold__body p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.8;
  color: var(--bp-mute);
}

/* ---------- 版本记录 ---------- */
.page-privacy .pp-ver {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-privacy .pp-ver__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding-block: 14px;
  border-top: 1px solid var(--bp-line);
}

.page-privacy .pp-ver__row:last-child {
  border-bottom: 1px solid var(--bp-line);
}

.page-privacy .pp-ver__k {
  color: var(--bp-amber);
  font-size: 0.92rem;
  letter-spacing: 0.04em;
}

.page-privacy .pp-ver__d {
  line-height: 1.75;
  color: var(--bp-gray);
}

/* ---------- 底部联系 ---------- */
.page-privacy .pp-cta {
  border-top: 1px solid var(--bp-line);
  background: linear-gradient(180deg, rgba(11, 23, 41, 0.92), rgba(5, 11, 24, 0.2));
}

.page-privacy .pp-cta__inner {
  display: grid;
  gap: 24px;
  padding-block: 42px 60px;
}

.page-privacy .pp-cta__text .bp-annot {
  color: var(--bp-anno);
  margin: 0 0 10px;
}

.page-privacy .pp-cta__title {
  margin: 0 0 12px;
  font-size: clamp(1.35rem, 4.2vw, 2rem);
  line-height: 1.3;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: var(--bp-paper);
}

.page-privacy .pp-cta__desc {
  margin: 0;
  max-width: 34em;
  line-height: 1.8;
  color: var(--bp-gray);
}

.page-privacy .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-privacy .pp-hero {
    padding-block: 36px 56px;
  }

  .page-privacy .pp-ver__row {
    grid-template-columns: 110px minmax(0, 1fr);
    align-items: baseline;
    gap: 20px;
  }
}

@media (min-width: 980px) {
  .page-privacy .pp-hero {
    padding-block: 44px 60px;
  }

  .page-privacy .pp-hero__inner {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    align-items: center;
    gap: 56px;
  }

  .page-privacy .pp-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: 64px;
    padding-block: 64px 110px;
  }

  .page-privacy .pp-index {
    position: sticky;
    top: 104px;
    align-self: start;
    border-bottom: 0;
    padding-block: 0;
  }

  .page-privacy .pp-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    border-left: 1px solid var(--bp-line);
  }

  .page-privacy .pp-index__list a {
    min-height: 40px;
    padding: 9px 14px;
    font-size: 13.5px;
    white-space: normal;
    background: transparent;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    margin-left: -1px;
  }

  .page-privacy .pp-index__list a:hover,
  .page-privacy .pp-index__list a:focus-visible {
    border-left-color: var(--bp-cyan);
    background: rgba(37, 230, 216, 0.06);
  }

  .page-privacy .pp-index__top {
    display: inline-flex;
    align-items: center;
    min-height: 44px;
    margin-top: 20px;
    font-size: 12px;
    letter-spacing: 0.08em;
    color: var(--bp-anno);
    text-decoration: none;
  }

  .page-privacy .pp-index__top:hover,
  .page-privacy .pp-index__top:focus-visible {
    color: var(--bp-cyan);
  }

  .page-privacy .pp-cta__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 48px;
    padding-block: 52px 72px;
  }

  .page-privacy .pp-cta__actions {
    padding-bottom: 6px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-index__list a,
  .page-privacy .pp-list a {
    transition: none;
  }
}