.page-privacy {
  --privacy-measure: 68ch;
  background: var(--ink-900);
  color: var(--star);
  padding-bottom: clamp(3rem, 8vw, 6rem);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(2.75rem, 7vw, 5rem) clamp(2rem, 5vw, 3.5rem);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(30, 42, 94, .95) 0%, rgba(11, 16, 38, 0) 62%),
    linear-gradient(180deg, var(--ink-900) 0%, var(--ink-800) 100%);
}

.page-privacy .privacy-hero__bg {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 30%;
  opacity: .3;
  pointer-events: none;
  z-index: 0;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero .breadcrumb {
  margin-bottom: 1.35rem;
}

.page-privacy .privacy-hero__title {
  margin: .5rem 0 0;
  max-width: 22ch;
}

.page-privacy .privacy-hero__lede {
  margin-top: 1.1rem;
  max-width: 60ch;
}

/* 章节索引胶囊 */
.page-privacy .privacy-index {
  display: flex;
  flex-wrap: wrap;
  gap: .5rem;
  margin-top: 1.9rem;
}

.page-privacy .privacy-index__chip {
  display: inline-flex;
  align-items: center;
  font-family: var(--font-mono);
  font-size: .8125rem;
  font-weight: 600;
  letter-spacing: .04em;
  color: var(--haze);
  text-decoration: none;
  padding: .45rem .95rem;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  background: rgba(20, 27, 60, .6);
  transition: color var(--t), border-color var(--t), background-color var(--t), transform var(--t);
}

.page-privacy .privacy-index__chip:hover,
.page-privacy .privacy-index__chip:focus-visible {
  color: var(--cyan);
  border-color: var(--cyan);
  background: rgba(56, 240, 216, .1);
  transform: translateY(-2px);
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-body {
  padding-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-privacy .privacy-clause {
  padding: clamp(1.6rem, 4vw, 2.5rem) clamp(1.05rem, 3.5vw, 2.25rem);
  border-radius: var(--r-md);
  background: rgba(20, 27, 60, .46);
}

.page-privacy .privacy-clause:nth-child(even) {
  background: rgba(30, 42, 94, .3);
}

.page-privacy .privacy-clause + .privacy-clause {
  margin-top: clamp(.9rem, 2.5vw, 1.4rem);
}

.page-privacy .privacy-clause__head {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  padding-bottom: .85rem;
  margin-bottom: 1.15rem;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: .875rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: var(--cyan);
}

.page-privacy .privacy-clause__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.3rem, 3.2vw, 1.7rem);
  letter-spacing: -.01em;
  color: var(--star);
  line-height: 1.25;
}

.page-privacy .privacy-clause__body {
  max-width: var(--privacy-measure);
  color: var(--haze);
  font-size: 1rem;
  line-height: 1.78;
}

.page-privacy .privacy-clause__body p {
  margin: 0 0 1rem;
}

.page-privacy .privacy-clause__body p:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-clause__body ul {
  list-style: none;
  margin: 0 0 1rem;
  padding: 0;
  display: grid;
  gap: .8rem;
}

.page-privacy .privacy-clause__body ul:last-child {
  margin-bottom: 0;
}

.page-privacy .privacy-clause__body li {
  position: relative;
  padding-left: 1.4rem;
}

.page-privacy .privacy-clause__body li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: .72rem;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .privacy-clause__body strong {
  color: var(--star);
  font-weight: 600;
}

.page-privacy .privacy-clause__body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(56, 240, 216, .45);
  transition: color var(--t), border-color var(--t);
}

.page-privacy .privacy-clause__body a:hover,
.page-privacy .privacy-clause__body a:focus-visible {
  color: var(--amber-soft);
  border-bottom-color: var(--amber-soft);
}

.page-privacy .privacy-emphasis {
  border-left: 2px solid var(--amber);
  padding-left: 1rem;
  color: var(--star);
  background: linear-gradient(90deg, rgba(255, 138, 61, .1) 0%, rgba(255, 138, 61, 0) 78%);
}

/* ---------- 返回顶部（页面内定位微调） ---------- */
.page-privacy .back-to-top {
  position: fixed;
  right: clamp(.85rem, 3vw, 1.75rem);
  bottom: clamp(.85rem, 3vw, 1.75rem);
  z-index: 6;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-clause {
    padding-inline: clamp(1.75rem, 4vw, 3rem);
  }

  .page-privacy .privacy-clause__head {
    gap: 1.15rem;
  }
}

@media (min-width: 1080px) {
  .page-privacy .privacy-hero__title {
    max-width: 18ch;
  }

  .page-privacy .privacy-clause__body {
    padding-left: 2.6rem;
  }
}

@media (max-width: 480px) {
  .page-privacy .privacy-index__chip {
    font-size: .75rem;
    padding: .4rem .75rem;
  }

  .page-privacy .privacy-clause__head {
    flex-direction: column;
    gap: .3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__chip:hover,
  .page-privacy .privacy-index__chip:focus-visible {
    transform: none;
  }
}