.page-privacy {
  --privacy-track: 208px;
  background: var(--paper-000);
  color: var(--ink-700);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line-200);
  background: var(--paper-000);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  top: -140px;
  right: -140px;
  width: 360px;
  height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(69, 179, 162, 0.2), rgba(69, 179, 162, 0) 70%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(24px, 4vw, 52px);
  padding-bottom: clamp(20px, 3vw, 32px);
}

.page-privacy .privacy-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 6vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-privacy .privacy-hero__lede {
  margin: 18px 0 0;
  max-width: 38em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--gray-500);
}

.page-privacy .privacy-hero__media {
  position: relative;
  z-index: 1;
  padding-bottom: clamp(24px, 4vw, 44px);
}

.page-privacy .privacy-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 7 / 4;
  object-fit: cover;
  border: 1px solid var(--line-200);
  border-radius: var(--radius-l);
  box-shadow: var(--shadow-m);
}

/* ---------- 分屏骨架：左索引 + 右窄版心 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(32px, 5vw, 72px);
  padding-bottom: clamp(48px, 7vw, 96px);
}

.page-privacy .privacy-rail__label {
  margin: 0 0 10px;
  font-size: var(--fs-12);
  letter-spacing: 0.18em;
  color: var(--gray-500);
}

.page-privacy .privacy-rail__nav {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 6px;
  scrollbar-width: none;
}

.page-privacy .privacy-rail__nav::-webkit-scrollbar {
  display: none;
}

.page-privacy .toc__link {
  flex: none;
  display: block;
  padding: 8px 12px;
  border-left: 2px solid var(--line-200);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.02em;
  color: var(--gray-500);
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}

.page-privacy .toc__link:hover {
  color: var(--jade-600);
  border-left-color: var(--jade-400);
}

.page-privacy .toc__link.is-active {
  color: var(--ink-900);
  background: var(--mist-050);
  border-left-color: var(--jade-600);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-flow {
  min-width: 0;
  max-width: 46em;
}

.page-privacy [data-chapter] {
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .privacy-chapter {
  padding: clamp(26px, 4vw, 44px) 0;
  border-top: 1px solid rgba(69, 179, 162, 0.32);
}

.page-privacy .privacy-chapter:first-child {
  padding-top: 0;
  border-top: none;
}

.page-privacy .privacy-chapter__head {
  display: grid;
  gap: 10px;
  max-width: 40em;
}

.page-privacy .privacy-chapter__num {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  font-size: var(--fs-14);
  letter-spacing: 0.2em;
  color: var(--jade-600);
}

.page-privacy .privacy-chapter__num::after {
  content: "";
  flex: none;
  width: 44px;
  height: 1px;
  background: var(--jade-400);
}

.page-privacy .privacy-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.6vw, 32px);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--ink-900);
}

.page-privacy .privacy-chapter__lede {
  margin: 0;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--gray-500);
}

/* ---------- 条目 ---------- */
.page-privacy .privacy-items {
  display: grid;
  gap: 12px;
  margin-top: clamp(18px, 3vw, 28px);
}

.page-privacy .privacy-item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  background: #ffffff;
  border: 1px solid var(--line-200);
  border-left: 3px solid var(--jade-400);
  border-radius: 0 var(--radius-m) var(--radius-m) 0;
  box-shadow: var(--shadow-s);
}

.page-privacy .privacy-item--alert {
  border-left-color: var(--orange-500);
  background: #fff9f7;
}

.page-privacy .privacy-item__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: var(--fs-12);
  letter-spacing: 0.12em;
  color: var(--jade-600);
}

.page-privacy .privacy-item--alert .privacy-item__label {
  color: var(--orange-500);
}

.page-privacy .privacy-item__body {
  margin: 0;
  max-width: 40em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ink-700);
}

/* ---------- 旁注 ---------- */
.page-privacy .privacy-note {
  margin-top: clamp(18px, 3vw, 26px);
  max-width: 42em;
}

.page-privacy .privacy-note p {
  margin: 0;
  font-size: var(--fs-14);
  line-height: 1.8;
}

.page-privacy .privacy-note--gold {
  border-left: 3px solid var(--gold-500);
  background: var(--gold-100);
}

/* ---------- 折叠补充 ---------- */
.page-privacy .privacy-fold {
  margin-top: 16px;
  padding: 12px 16px;
  border: 1px dashed var(--line-200);
  border-radius: var(--radius-m);
  background: var(--mist-050);
}

.page-privacy .privacy-fold > summary {
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
  letter-spacing: 0.03em;
  color: var(--ink-900);
  list-style: none;
}

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

.page-privacy .privacy-fold > summary::before {
  content: "+ ";
  color: var(--jade-600);
  font-weight: 700;
}

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

.page-privacy .privacy-fold p {
  margin: 10px 0 0;
  max-width: 40em;
  font-size: var(--fs-14);
  line-height: 1.8;
  color: var(--gray-500);
}

/* ---------- 三步路径 ---------- */
.page-privacy .privacy-steps {
  list-style: none;
  margin: clamp(18px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
  counter-reset: none;
}

.page-privacy .privacy-steps__item {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 18px;
  background: #ffffff;
  border: 1px solid var(--line-200);
  border-radius: var(--radius-m);
  box-shadow: var(--shadow-s);
}

.page-privacy .privacy-steps__num {
  display: grid;
  place-items: center;
  width: 44px;
  height: 44px;
  border-radius: var(--radius-s);
  background: var(--ink-900);
  color: var(--gold-100);
  font-size: var(--fs-18);
  font-variant-numeric: tabular-nums;
}

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

.page-privacy .privacy-steps__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: var(--fs-18);
  line-height: 1.4;
  color: var(--ink-900);
}

.page-privacy .privacy-steps__body {
  margin: 8px 0 0;
  max-width: 36em;
  font-size: var(--fs-16);
  line-height: 1.85;
  color: var(--ink-700);
}

.page-privacy .privacy-steps__link {
  margin: 10px 0 0;
  font-family: var(--font-mono);
  font-size: var(--fs-14);
}

.page-privacy .privacy-steps__link a {
  color: var(--jade-600);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 122, 108, 0.32);
  padding-bottom: 1px;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .privacy-steps__link a:hover {
  color: var(--ink-900);
  border-bottom-color: var(--gold-500);
}

/* ---------- 链接可读性兜底 ---------- */
.page-privacy .breadcrumb__item a {
  color: var(--jade-600);
  text-decoration: none;
}

.page-privacy .breadcrumb__item a:hover {
  color: var(--ink-900);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-hero__lede {
    font-size: var(--fs-18);
  }

  .page-privacy .privacy-item {
    grid-template-columns: minmax(118px, 150px) minmax(0, 1fr);
    gap: 4px 18px;
    align-items: baseline;
  }

  .page-privacy .privacy-item__label {
    padding-top: 4px;
  }
}

/* ---------- 桌面：固定章节目录 ---------- */
@media (min-width: 1024px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--privacy-track) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 88px);
    align-items: start;
  }

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

  .page-privacy .privacy-rail__nav {
    flex-direction: column;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .toc__link {
    white-space: normal;
  }
}

@media (min-width: 1280px) {
  .page-privacy .privacy-hero__img {
    aspect-ratio: 16 / 9;
  }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc__link,
  .page-privacy .privacy-steps__link a {
    transition: none;
  }
}