.page-privacy {
  --privacy-measure: 720px;
  --privacy-gutter: clamp(20px, 5vw, 48px);
  --privacy-body-text: #C8DBD3;
  --privacy-lead-col: 64px;
  padding-bottom: clamp(56px, 9vw, 120px);
  background: var(--ink-900);
}

/* ── 首屏 ── */
.page-privacy .privacy-hero {
  position: relative;
  padding: clamp(112px, 18vw, 196px) var(--privacy-gutter) clamp(36px, 5vw, 60px);
  background:
    linear-gradient(180deg, rgba(79, 240, 208, 0.07), rgba(5, 13, 11, 0) 62%),
    var(--ink-950);
  border-bottom: 1px solid var(--grid-line);
  overflow: hidden;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: 96px 96px;
  opacity: 0.28;
  pointer-events: none;
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.9), transparent 78%);
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  max-width: var(--privacy-measure);
  margin-inline: auto;
}

.page-privacy .breadcrumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(28px, 5vw, 48px);
  padding: 0;
  list-style: none;
}

.page-privacy .breadcrumbs__item {
  display: inline-flex;
  align-items: center;
  font-size: 12.5px;
  letter-spacing: 0.1em;
  color: var(--gray-400);
}

.page-privacy .breadcrumbs__item + .breadcrumbs__item::before {
  content: "/";
  margin-right: 8px;
  color: var(--grid-line);
}

.page-privacy .breadcrumbs__link {
  color: var(--gray-400);
  text-decoration: none;
}

.page-privacy .breadcrumbs__link:hover {
  color: var(--cyan-400);
}

.page-privacy .breadcrumbs__current {
  color: var(--cyan-400);
}

.page-privacy h1 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 9vw, 72px);
  font-weight: 900;
  line-height: 0.98;
  letter-spacing: -0.02em;
  color: var(--paper-050);
}

.page-privacy .privacy-hero__lede {
  max-width: 40ch;
  margin: clamp(20px, 3.4vw, 32px) 0 0;
  font-size: 17px;
  line-height: 1.85;
  color: var(--privacy-body-text);
}

.page-privacy .privacy-hero__meta {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--grid-line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--gray-400);
}

/* ── 章节目录 ── */
.page-privacy .privacy-toc {
  position: sticky;
  top: var(--header-h);
  z-index: 6;
  background: rgba(8, 21, 15, 0.94);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--grid-line);
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: 4px;
  margin: 0 auto;
  padding: 10px var(--privacy-gutter);
  max-width: calc(var(--privacy-measure) + 2 * var(--privacy-gutter));
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-toc__list::-webkit-scrollbar {
  height: 0;
}

.page-privacy .privacy-toc__item {
  flex: 0 0 auto;
}

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid transparent;
  font-size: 13px;
  line-height: 1;
  white-space: nowrap;
  color: var(--gray-400);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--cyan-200);
  border-color: var(--grid-line);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}

/* ── 正文版心 ── */
.page-privacy .privacy-body {
  max-width: calc(var(--privacy-measure) + var(--privacy-lead-col));
  margin-inline: auto;
  padding: clamp(8px, 2vw, 20px) var(--privacy-gutter) 0;
}

/* ── 章节 ── */
.page-privacy .privacy-section {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding-block: clamp(38px, 6.5vw, 68px);
  border-top: 1px solid var(--grid-line);
  scroll-margin-top: calc(var(--header-h) + 72px);
}

.page-privacy .privacy-section:first-child {
  border-top: 0;
}

.page-privacy .privacy-section__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.18em;
  color: var(--cyan-400);
}

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

.page-privacy .privacy-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(24px, 4.6vw, 34px);
  font-weight: 800;
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--paper-050);
}

.page-privacy .privacy-lede {
  max-width: 34ch;
  margin: 16px 0 0;
  padding-left: 14px;
  border-left: 2px solid var(--cyan-400);
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.7;
  color: var(--paper-050);
}

.page-privacy .privacy-section__content > p {
  max-width: 42em;
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--privacy-body-text);
}

.page-privacy .privacy-section__content a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 4px;
  text-decoration-thickness: 1px;
}

.page-privacy .privacy-section__content a:hover {
  color: var(--cyan-200);
}

/* ── 条目列表 ── */
.page-privacy .privacy-list {
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  max-width: 42em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--privacy-body-text);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 11px;
  height: 1px;
  background: var(--cyan-400);
}

.page-privacy .privacy-list strong {
  color: var(--paper-050);
  font-weight: 700;
}

/* ── 引用块 ── */
.page-privacy .privacy-quote {
  margin: 22px 0 0;
  padding: 6px 0 6px 18px;
  border-left: 1px solid var(--cyan-400);
  max-width: 42em;
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-400);
}

/* ── 图示 ── */
.page-privacy .privacy-figure {
  margin: 26px 0 0;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  border: 1px solid var(--grid-line);
  background: var(--ink-800);
  object-fit: cover;
}

.page-privacy .privacy-figure figcaption {
  margin-top: 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--gray-400);
}

/* ── 收束行 ── */
.page-privacy .privacy-contact-line {
  margin-top: clamp(30px, 5vw, 48px);
  padding-top: 22px;
  border-top: 1px solid var(--grid-line);
  font-size: 15px;
  line-height: 1.8;
  color: var(--gray-400);
}

/* ── 桌面 ── */
@media (min-width: 880px) {
  .page-privacy .privacy-section {
    grid-template-columns: var(--privacy-lead-col) minmax(0, 1fr);
    gap: 0 28px;
  }

  .page-privacy .privacy-section__num {
    padding-top: 8px;
    font-size: 12px;
  }

  .page-privacy .privacy-section__title {
    font-size: 34px;
  }
}

/* ── 宽屏微调 ── */
@media (min-width: 1200px) {
  .page-privacy .privacy-body {
    padding-top: 12px;
  }

  .page-privacy .privacy-section {
    padding-block: 76px;
  }
}

/* ── 动效降级 ── */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link {
    transition: none;
  }
}