.page-privacy {
  --pp-soft: rgba(126, 143, 166, .24);
  --pp-tint: rgba(14, 59, 65, .42);
  --pp-deep: rgba(4, 7, 13, .42);
  display: block;
  padding: clamp(24px, 5vw, 56px) 0 clamp(58px, 9vw, 118px);
  background: var(--bo-night);
}

.page-privacy a {
  color: var(--bo-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--bo-line);
  transition: color .2s ease, border-color .2s ease;
}

.page-privacy a:hover,
.page-privacy a:focus-visible {
  color: var(--bo-glow);
  border-bottom-color: var(--bo-glow);
}

/* ---- 面包屑与首屏 ---- */
.page-privacy__crumbs {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-privacy__hero {
  max-width: 64ch;
}

.page-privacy__eyebrow {
  margin: 0 0 14px;
  font-family: var(--bo-font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--bo-cyan);
}

.page-privacy__title {
  margin: 0 0 20px;
  font-family: var(--bo-font-display);
  font-weight: 200;
  font-size: clamp(32px, 7vw, 66px);
  line-height: 1.06;
  letter-spacing: -.02em;
  color: var(--bo-ice);
}

.page-privacy__lead {
  margin: 0;
  font-family: var(--bo-font-body);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  color: var(--bo-ice);
  opacity: .88;
}

/* ---- 顶部横幅 ---- */
.page-privacy__banner {
  margin: clamp(28px, 5vw, 48px) 0 0;
  border: 1px solid var(--bo-line);
  background: var(--bo-panel);
  overflow: hidden;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 22px), calc(100% - 22px) 100%, 0 100%);
}

.page-privacy__banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* ---- 主体布局 ---- */
.page-privacy__layout {
  margin-top: clamp(32px, 6vw, 62px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 46px);
}

.page-privacy__aside {
  min-width: 0;
}

.page-privacy__toc {
  border: 1px solid var(--bo-line);
  background: var(--pp-tint);
  padding: 18px 16px 20px;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 16px), calc(100% - 16px) 100%, 0 100%);
}

.page-privacy__toc-title {
  margin: 0 0 14px;
  font-family: var(--bo-font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--bo-slate);
}

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

.page-privacy__toc-link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border: 0;
  border-left: 2px solid transparent;
  font-family: var(--bo-font-round);
  font-size: 14px;
  line-height: 1.5;
  color: var(--bo-ice);
}

.page-privacy__toc-link:hover,
.page-privacy__toc-link:focus-visible {
  background: rgba(37, 230, 200, .1);
  border-left-color: var(--bo-cyan);
  color: var(--bo-cyan);
}

.page-privacy__toc-num {
  flex: none;
  font-family: var(--bo-font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--bo-slate);
}

/* ---- 正文章节块 ---- */
.page-privacy__article {
  min-width: 0;
}

.page-privacy__block {
  padding: clamp(20px, 3.4vw, 34px) clamp(16px, 3vw, 32px) clamp(24px, 3.6vw, 38px);
  margin-bottom: clamp(16px, 2.6vw, 26px);
  border: 1px solid var(--bo-soft, var(--pp-soft));
  background: var(--pp-tint);
  scroll-margin-top: 128px;
  transition: border-color .24s ease, box-shadow .24s ease;
}

.page-privacy__block:nth-child(even) {
  background: rgba(10, 22, 40, .6);
}

.page-privacy__block:target {
  border-color: var(--bo-cyan);
  box-shadow: 0 0 0 1px var(--bo-cyan), 0 18px 42px rgba(4, 7, 13, .58);
}

.page-privacy__block-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--pp-soft);
}

.page-privacy__num {
  flex: none;
  font-family: var(--bo-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--bo-cyan);
}

.page-privacy__block-title {
  margin: 0;
  font-family: var(--bo-font-display);
  font-weight: 600;
  font-size: clamp(20px, 2.6vw, 27px);
  line-height: 1.3;
  letter-spacing: -.01em;
  color: var(--bo-ice);
}

.page-privacy__gist {
  margin: 0 0 20px;
  padding-left: 14px;
  border-left: 2px solid var(--bo-cyan);
  font-family: var(--bo-font-round);
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.78;
  color: var(--bo-ice);
  opacity: .92;
}

/* ---- 条目列表 ---- */
.page-privacy__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy__item {
  padding: 15px 16px 17px;
  border: 1px solid var(--pp-soft);
  border-left: 3px solid rgba(37, 230, 200, .45);
  background: var(--pp-deep);
}

.page-privacy__item-title {
  margin: 0 0 8px;
  font-family: var(--bo-font-display);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: .02em;
  color: var(--bo-glow);
}

.page-privacy__item p {
  margin: 0;
  font-family: var(--bo-font-body);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--bo-ice);
  opacity: .85;
}

/* ---- 步骤条 ---- */
.page-privacy__steps {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy__step {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 16px;
  border: 1px solid var(--pp-soft);
  border-left: 3px solid var(--bo-cyan);
  background: var(--pp-deep);
}

.page-privacy__step-num {
  font-family: var(--bo-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--bo-cyan);
}

.page-privacy__step-title {
  margin: 0 0 6px;
  font-family: var(--bo-font-display);
  font-weight: 700;
  font-size: 15px;
  color: var(--bo-ice);
}

.page-privacy__step-body p {
  margin: 0;
  font-family: var(--bo-font-body);
  font-size: 15px;
  line-height: 1.82;
  color: var(--bo-ice);
  opacity: .85;
}

/* ---- 折叠说明 ---- */
.page-privacy__more {
  border: 1px solid var(--pp-soft);
  background: rgba(14, 59, 65, .3);
}

.page-privacy__more > summary {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--bo-font-round);
  font-size: 14.5px;
  color: var(--bo-cyan);
}

.page-privacy__more > summary::-webkit-details-marker {
  display: none;
}

.page-privacy__more > summary::before {
  content: "+";
  font-family: var(--bo-font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--bo-cyan);
}

.page-privacy__more[open] > summary::before {
  content: "–";
}

.page-privacy__more-body {
  padding: 0 16px 16px;
  font-family: var(--bo-font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--bo-ice);
  opacity: .85;
}

.page-privacy__more-body p {
  margin: 0;
}

/* ---- 联系信息 ---- */
.page-privacy__contact-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  border: 1px solid var(--pp-soft);
  background: var(--pp-soft);
}

.page-privacy__contact-cell {
  min-width: 0;
  padding: 16px 16px 18px;
  background: var(--bo-night);
}

.page-privacy__contact-label {
  display: block;
  margin-bottom: 8px;
  font-family: var(--bo-font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--bo-slate);
}

.page-privacy__contact-value {
  margin: 0;
  font-family: var(--bo-font-round);
  font-size: 15.5px;
  line-height: 1.65;
  color: var(--bo-ice);
  overflow-wrap: anywhere;
}

.page-privacy__footnote {
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--pp-soft);
  font-family: var(--bo-font-body);
  font-size: 14.5px;
  line-height: 1.82;
  color: var(--bo-slate);
}

.page-privacy__top {
  display: inline-block;
  margin-top: clamp(18px, 2.6vw, 26px);
  font-family: var(--bo-font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--bo-cyan);
}

/* ---- 响应式 ---- */
@media (min-width: 720px) {
  .page-privacy__contact-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy__step {
    grid-template-columns: 76px minmax(0, 1fr);
    column-gap: 14px;
    align-items: start;
  }

  .page-privacy__step-num {
    padding-top: 4px;
  }
}

@media (min-width: 900px) {
  .page-privacy__layout {
    grid-template-columns: minmax(200px, 236px) minmax(0, 1fr);
    gap: clamp(34px, 5vw, 70px);
    align-items: start;
  }

  .page-privacy__aside {
    position: sticky;
    top: 122px;
  }

  .page-privacy__list {
    gap: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy__block,
  .page-privacy__toc-link,
  .page-privacy a {
    transition: none;
  }
}

.page-privacy {
  --bo-soft: currentColor;
}