.page-privacy {
  --doc-max: 720px;
  --doc-gap: clamp(20px, 3vw, 32px);
  padding-bottom: clamp(72px, 10vw, 140px);
}

.page-privacy .breadcrumbs {
  padding-top: clamp(18px, 3vw, 32px);
}

.page-privacy .privacy-hero {
  max-width: 880px;
  padding-top: clamp(22px, 4vw, 48px);
}

.page-privacy .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--crimson);
}

.page-privacy .privacy-hero h1 {
  margin: 16px 0 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(30px, 5.4vw, 58px);
  line-height: 1.12;
  letter-spacing: -0.015em;
  color: var(--ink);
  overflow-wrap: break-word;
}

.page-privacy .privacy-hero .lede {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.9;
  color: var(--ink-2);
}

.page-privacy .hero-rule {
  height: 1px;
  margin: clamp(28px, 4vw, 46px) 0 0;
  background: linear-gradient(90deg, var(--crimson) 0%, var(--gold) 44%, var(--edge) 100%);
}

.page-privacy .privacy-banner {
  margin: clamp(26px, 4vw, 44px) 0 clamp(44px, 6vw, 78px);
  border: 1px solid var(--edge);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--midnight);
  box-shadow: var(--shadow-1);
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1600 / 600;
  object-fit: cover;
}

/* ---------- 布局：窄栏文档 + 右侧粘性目录 ---------- */

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 48px);
  align-items: start;
}

.page-privacy .privacy-doc {
  min-width: 0;
}

/* ---------- 目录 ---------- */

.page-privacy .privacy-toc {
  border: 1px solid var(--edge);
  border-left: 3px solid var(--gold);
  border-radius: var(--radius-sm);
  padding: 18px 18px 20px 20px;
  min-width: 0;
}

.page-privacy .toc-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--crimson);
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .toc-link {
  position: relative;
  display: block;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--ink-2);
  text-decoration: none;
  border-radius: 3px;
  transition: color 0.18s ease;
}

.page-privacy .toc-link::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.52em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--edge);
  transition: background 0.18s ease, transform 0.18s ease;
}

.page-privacy .toc-link:hover {
  color: var(--crimson);
}

.page-privacy .toc-link[data-active="true"] {
  color: var(--crimson);
  font-weight: 700;
}

.page-privacy .toc-link[data-active="true"]::before {
  background: var(--gold);
  transform: scale(1.4);
}

/* ---------- 文档正文 ---------- */

.page-privacy .privacy-sec {
  scroll-margin-top: 110px;
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: clamp(44px, 6vw, 76px);
}

.page-privacy .sec-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--edge);
}

.page-privacy .doc-num {
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 700;
  line-height: 1;
  letter-spacing: -0.03em;
  color: var(--gold);
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 800;
  font-size: clamp(19px, 2.3vw, 24px);
  line-height: 1.35;
  color: var(--ink);
}

.page-privacy .privacy-sec p {
  margin: 20px 0 0;
  max-width: 68ch;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.9;
  color: var(--ink);
  overflow-wrap: break-word;
}

.page-privacy .hang-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  max-width: 68ch;
}

.page-privacy .hang-list li {
  position: relative;
  padding-left: 26px;
  margin-top: 16px;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.9;
  color: var(--ink);
}

.page-privacy .hang-list li:first-child {
  margin-top: 0;
}

.page-privacy .hang-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.82em;
  width: 12px;
  height: 1px;
  background: var(--gold);
}

.page-privacy .hang-list strong {
  font-weight: 700;
  color: var(--ink);
}

.page-privacy .privacy-sec a {
  color: var(--crimson);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .privacy-sec a:hover {
  color: var(--vermilion);
}

.page-privacy a:focus-visible {
  outline: 2px solid var(--neon);
  outline-offset: 3px;
  border-radius: 3px;
}

/* ---------- 相关页面 ---------- */

.page-privacy .doc-links {
  margin-top: clamp(52px, 7vw, 86px);
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px solid var(--edge);
}

.page-privacy .doc-links-title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--ink-2);
}

.page-privacy .doc-links-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .doc-links-list a {
  display: block;
  padding: 14px 18px;
  border: 1px solid var(--edge);
  border-radius: var(--radius-sm);
  background: transparent;
  font-size: 15px;
  line-height: 1.6;
  color: var(--ink);
  text-decoration: none;
  transition: transform 0.18s ease, border-color 0.18s ease, box-shadow 0.18s ease;
}

.page-privacy .doc-links-list a:hover {
  transform: translateY(-2px);
  border-color: var(--gold);
  box-shadow: var(--shadow-1);
}

/* ---------- 平板：目录两列 ---------- */

@media (min-width: 560px) and (max-width: 999px) {
  .page-privacy .toc-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 10px 20px;
  }
}

/* ---------- 桌面：文档居左，目录右侧粘性 ---------- */

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, var(--doc-max)) 216px;
    grid-template-areas: "doc toc";
    column-gap: clamp(48px, 7vw, 104px);
    justify-content: center;
  }

  .page-privacy .privacy-doc {
    grid-area: doc;
  }

  .page-privacy .privacy-toc {
    grid-area: toc;
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-privacy .toc-list {
    grid-template-columns: minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc-link,
  .page-privacy .toc-link::before,
  .page-privacy .doc-links-list a {
    transition: none;
  }

  .page-privacy .doc-links-list a:hover {
    transform: none;
  }
}