.page-privacy {
  --pp-measure: 66ch;
  --pp-hair: rgba(42, 74, 117, 0.7);
  --pp-text: rgba(232, 241, 255, 0.86);
  display: block;
  background: var(--navy-900);
  color: var(--white-100);
}

/* ---------- 首屏 ---------- */

.page-privacy .pp-hero {
  position: relative;
  padding: clamp(22px, 4.5vw, 52px) 0 clamp(30px, 5vw, 60px);
  background:
    radial-gradient(115% 85% at 6% -18%, rgba(34, 224, 255, 0.16), transparent 62%),
    radial-gradient(72% 62% at 96% 2%, rgba(123, 255, 60, 0.07), transparent 66%),
    linear-gradient(180deg, var(--navy-900) 0%, var(--navy-700) 100%);
  border-bottom: 1px solid var(--steel-600);
  overflow: hidden;
}

.page-privacy .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: var(--fs-14);
  margin-bottom: clamp(20px, 3.5vw, 34px);
}

.page-privacy .crumbs a {
  color: var(--mist-400);
  text-decoration: none;
  transition: color 0.18s ease;
}

.page-privacy .crumbs a:hover,
.page-privacy .crumbs a:focus-visible {
  color: var(--cyan-400);
}

.page-privacy .pp-sep {
  color: var(--steel-600);
}

.page-privacy .crumbs [aria-current="page"] {
  color: var(--white-100);
}

.page-privacy .pp-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(1.95rem, 6.4vw, 3.5rem);
  line-height: 1.06;
  max-width: 17ch;
  letter-spacing: -0.02em;
}

.page-privacy .pp-lede {
  margin: clamp(18px, 3vw, 28px) 0 0;
  max-width: 56ch;
  font-size: var(--fs-16);
  line-height: 1.9;
  color: var(--pp-text);
}

.page-privacy .pp-hero__figure {
  margin: clamp(26px, 4.5vw, 44px) 0 0;
}

.page-privacy .pp-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--steel-600);
}

/* ---------- 布局 ---------- */

.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  padding: clamp(34px, 6vw, 72px) 0 clamp(52px, 8vw, 104px);
}

.page-privacy .pp-article {
  min-width: 0;
}

/* ---------- 侧边目录 ---------- */

.page-privacy .pp-toc {
  border-top: 1px solid var(--steel-600);
  padding-top: 14px;
  min-width: 0;
}

.page-privacy .pp-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist-400);
}

.page-privacy .pp-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0;
}

.page-privacy .pp-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 0;
  font-size: var(--fs-14);
  line-height: 1.5;
  color: var(--mist-400);
  text-decoration: none;
  border-bottom: 1px dashed rgba(42, 74, 117, 0.55);
  transition: color 0.18s ease, padding-left 0.18s ease, border-color 0.18s ease;
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--cyan-400);
  padding-left: 6px;
  border-bottom-color: var(--cyan-400);
}

.page-privacy .pp-toc__num {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  font-variant-numeric: tabular-nums;
  color: var(--steel-600);
  flex: none;
  transition: color 0.18s ease;
}

.page-privacy .pp-toc__link:hover .pp-toc__num,
.page-privacy .pp-toc__link:focus-visible .pp-toc__num {
  color: var(--green-400);
}

/* ---------- 条款分节 ---------- */

.page-privacy .pp-sec {
  position: relative;
  padding: clamp(30px, 5vw, 50px) 0 clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--steel-600);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .pp-sec::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 56px;
  height: 2px;
  background: var(--cyan-400);
  box-shadow: 0 0 14px rgba(34, 224, 255, 0.5);
}

.page-privacy .pp-sec:last-child {
  border-bottom: 1px solid var(--steel-600);
}

.page-privacy .pp-sec__head {
  display: flex;
  align-items: baseline;
  gap: clamp(12px, 2vw, 20px);
  margin-bottom: clamp(14px, 2.4vw, 22px);
}

.page-privacy .pp-num {
  flex: none;
  padding-top: 6px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.16em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan-400);
}

.page-privacy .pp-sec__title {
  margin: 0;
  font-size: clamp(1.3rem, 3.2vw, 1.95rem);
  line-height: 1.3;
  font-weight: 800;
  letter-spacing: -0.01em;
  color: var(--white-100);
}

/* ---------- 正文 ---------- */

.page-privacy .pp-prose {
  max-width: var(--pp-measure);
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--pp-text);
}

.page-privacy .pp-prose > p {
  margin: 0 0 14px;
}

.page-privacy .pp-prose > p:last-child {
  margin-bottom: 0;
}

/* ---------- 条目列表 ---------- */

.page-privacy .pp-list {
  list-style: none;
  margin: clamp(18px, 3vw, 26px) 0 0;
  padding: 0;
  border-top: 1px solid var(--pp-hair);
  max-width: var(--pp-measure);
}

.page-privacy .pp-list > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 18px 0;
  border-bottom: 1px solid var(--pp-hair);
}

.page-privacy .pp-tag {
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.16em;
  color: var(--cyan-400);
  padding-top: 4px;
}

.page-privacy .pp-list p {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--pp-text);
}

/* ---------- 折叠说明 ---------- */

.page-privacy .pp-more {
  margin-top: 22px;
  max-width: var(--pp-measure);
  border: 1px solid var(--steel-600);
  border-left: 3px solid var(--green-400);
  background: var(--navy-700);
  padding: 0 18px;
}

.page-privacy .pp-more > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 15px 0;
  cursor: pointer;
  list-style: none;
  font-size: var(--fs-14);
  font-weight: 600;
  color: var(--white-100);
}

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

.page-privacy .pp-more > summary::after {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  color: var(--green-400);
}

.page-privacy .pp-more[open] > summary::after {
  content: "－";
}

.page-privacy .pp-more__body {
  padding: 0 0 16px;
  font-size: var(--fs-14);
  line-height: 1.85;
  color: var(--mist-400);
}

.page-privacy .pp-more__body p {
  margin: 0;
}

/* ---------- 提示条 ---------- */

.page-privacy .pp-note {
  margin: clamp(20px, 3vw, 28px) 0 0;
  max-width: var(--pp-measure);
  padding: 16px 18px;
  border: 1px solid var(--steel-600);
  border-left: 3px solid var(--cyan-400);
  background: linear-gradient(135deg, rgba(34, 224, 255, 0.08), rgba(5, 11, 26, 0));
  font-size: var(--fs-14);
  line-height: 1.9;
  color: var(--mist-400);
  word-break: break-word;
}

.page-privacy .pp-note strong {
  color: var(--white-100);
  font-weight: 700;
}

/* ---------- 底部链接与返回 ---------- */

.page-privacy .pp-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 24px;
  margin-top: clamp(20px, 3vw, 28px);
  padding-top: 18px;
  border-top: 1px solid var(--pp-hair);
  max-width: var(--pp-measure);
}

.page-privacy .pp-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.08em;
  color: var(--mist-400);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .pp-top:hover,
.page-privacy .pp-top:focus-visible {
  color: var(--cyan-400);
  border-bottom-color: var(--cyan-400);
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-privacy .pp-list > li {
    grid-template-columns: 128px minmax(0, 1fr);
    gap: clamp(16px, 3vw, 32px);
    align-items: start;
  }
}

@media (min-width: 980px) {
  .page-privacy .pp-layout {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: clamp(44px, 6vw, 88px);
    align-items: start;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-privacy .pp-lede {
    font-size: var(--fs-18);
  }
}

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