.page-privacy {
  --privacy-rail: 216px;
  position: relative;
  padding-bottom: clamp(56px, 9vw, 104px);
  overflow-wrap: break-word;
}

/* ---------- 面包屑 ---------- */
.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  padding-top: clamp(18px, 3vw, 30px);
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--archive-blue);
}
.page-privacy .breadcrumb a {
  color: var(--neon-cyan);
  text-decoration: none;
  transition: color .2s var(--ease);
}
.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--glass-white);
}
.page-privacy .breadcrumb span[aria-current="page"] {
  color: var(--glass-white);
}

/* ---------- 首屏 ---------- */
.page-privacy .legal-hero {
  position: relative;
  isolation: isolate;
  margin-top: clamp(18px, 3vw, 28px);
  padding-bottom: clamp(22px, 3.4vw, 36px);
  border-bottom: 1px solid var(--line-soft);
}
.page-privacy .legal-hero::before {
  content: "";
  position: absolute;
  inset: -60px -14% auto -12%;
  height: 300px;
  z-index: -1;
  pointer-events: none;
  background:
    radial-gradient(58% 68% at 14% 34%, rgba(168, 85, 247, .30), transparent 68%),
    radial-gradient(46% 60% at 76% 4%, rgba(34, 211, 238, .20), transparent 72%);
  filter: blur(8px);
}

.page-privacy .legal-hero__eyebrow {
  margin: 0 0 10px;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: .3em;
  color: var(--neon-cyan);
}

.page-privacy .legal-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(34px, 7vw, 58px);
  line-height: 1.08;
  letter-spacing: .012em;
  color: var(--glass-white);
  text-shadow: 0 0 26px rgba(168, 85, 247, .5);
}

.page-privacy .legal-hero__lede {
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 46ch;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--archive-blue);
}

.page-privacy .legal-hero__meta {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 20px 0 0;
  padding: 7px 15px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: var(--glass);
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--archive-blue);
}

.page-privacy .legal-hero__figure {
  margin: clamp(22px, 3.4vw, 34px) 0 0;
  border: 1px solid var(--line-soft);
  border-radius: var(--radius-lg);
  overflow: hidden;
}
.page-privacy .legal-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 顶部章节索引带 ---------- */
.page-privacy .legal-index {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(146px, 1fr));
  gap: 1px;
  margin-top: clamp(24px, 3.4vw, 36px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--line-soft);
}
.page-privacy .legal-index__item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 14px 16px;
  background: var(--ink-800);
  color: var(--archive-blue);
  font-size: 13.5px;
  letter-spacing: .02em;
  line-height: 1.4;
  text-decoration: none;
  transition: background .22s var(--ease), color .22s var(--ease);
}
.page-privacy .legal-index__item:hover,
.page-privacy .legal-index__item:focus-visible {
  background: linear-gradient(120deg, rgba(168, 85, 247, .24), rgba(34, 211, 238, .12));
  color: var(--glass-white);
}
.page-privacy .legal-index__num {
  flex: none;
  font-family: var(--font-num);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--rank-orange);
}

/* ---------- 主体布局 ---------- */
.page-privacy .legal-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  margin-top: clamp(28px, 4.4vw, 50px);
}
.page-privacy .legal-body {
  min-width: 0;
}

/* ---------- 章节折叠组 ---------- */
.page-privacy .legal-chapter {
  border-top: 1px solid var(--line-soft);
  padding: clamp(18px, 2.6vw, 26px) 0 clamp(20px, 3vw, 28px);
  scroll-margin-top: 120px;
}
.page-privacy .legal-body > .legal-chapter:last-child {
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .chapter-heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-privacy .accordion-trigger {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 12px;
  align-items: baseline;
  width: 100%;
  padding: 0;
  border: 0;
  background: none;
  font: inherit;
  color: var(--glass-white);
  text-align: left;
  cursor: pointer;
}
.page-privacy .accordion-trigger:focus-visible {
  outline: 2px solid var(--neon-cyan);
  outline-offset: 6px;
  border-radius: var(--radius-sm);
}
.page-privacy .accordion-trigger::after {
  content: "+";
  flex: none;
  font-family: var(--font-num);
  font-size: 19px;
  line-height: 1;
  color: var(--neon-cyan);
  transition: color .25s var(--ease);
}
.page-privacy .accordion-trigger[aria-expanded="true"]::after {
  content: "−";
  color: var(--rank-orange);
}

.page-privacy .chapter-num {
  font-family: var(--font-num);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--neon-purple);
  text-shadow: 0 0 14px var(--glow-purple);
}

.page-privacy .chapter-title {
  min-width: 0;
  font-family: var(--font-editorial);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 600;
  line-height: 1.36;
  letter-spacing: .012em;
  transition: color .22s var(--ease);
}
.page-privacy .accordion-trigger:hover .chapter-title {
  color: var(--neon-cyan);
}

.page-privacy .accordion-panel {
  padding-top: 14px;
}

.page-privacy .chapter-sum {
  margin: 0;
  padding-left: 14px;
  border-left: 2px solid var(--rank-orange);
  font-family: var(--font-editorial);
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--glass-white);
  max-width: 44ch;
}

/* ---------- 要点列表 ---------- */
.page-privacy .fact-list {
  list-style: none;
  display: grid;
  gap: 10px;
  margin: 16px 0 0;
  padding: 0;
}
.page-privacy .fact-item {
  position: relative;
  padding-left: 18px;
  max-width: 44ch;
  font-size: 15.5px;
  line-height: 1.72;
  color: var(--archive-blue);
}
.page-privacy .fact-item::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .66em;
  width: 6px;
  height: 6px;
  border-radius: 2px;
  background: var(--neon-cyan);
  box-shadow: 0 0 8px var(--glow-cyan);
}
.page-privacy .fact-item strong {
  color: var(--glass-white);
  font-weight: 600;
}

/* ---------- 右侧目录（移动端默认隐藏，顶部索引带承担导航） ---------- */
.page-privacy .legal-rail {
  display: none;
}
.page-privacy .rail-title {
  margin: 0 0 16px;
  font-family: var(--font-num);
  font-size: 10.5px;
  letter-spacing: .24em;
  color: var(--archive-blue);
}
.page-privacy .rail-list {
  position: relative;
  list-style: none;
  display: grid;
  gap: 18px;
  margin: 0;
  padding: 0 0 0 20px;
}
.page-privacy .rail-list::before {
  content: "";
  position: absolute;
  left: 4px;
  top: 8px;
  bottom: 8px;
  width: 1px;
  background: linear-gradient(180deg, var(--neon-purple), var(--neon-cyan) 62%, transparent);
  opacity: .55;
}
.page-privacy .rail-link {
  position: relative;
  display: block;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--archive-blue);
  text-decoration: none;
  transition: color .22s var(--ease);
}
.page-privacy .rail-link::before {
  content: "";
  position: absolute;
  left: -20px;
  top: 5px;
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--ink-900);
  border: 1px solid var(--line);
  transition: background .25s var(--ease), border-color .25s var(--ease), box-shadow .25s var(--ease);
}
.page-privacy .rail-link:hover,
.page-privacy .rail-link:focus-visible {
  color: var(--glass-white);
}
.page-privacy .rail-link:hover::before,
.page-privacy .rail-link:focus-visible::before,
.page-privacy .rail-link:target::before {
  background: var(--neon-purple);
  border-color: var(--neon-purple);
  box-shadow: 0 0 14px var(--glow-purple);
}

/* ---------- 收尾提示 ---------- */
.page-privacy .legal-footnote {
  margin-top: clamp(34px, 5vw, 56px);
  padding: clamp(20px, 3vw, 30px);
  border: 1px solid var(--line);
  border-radius: var(--radius-lg);
  background:
    linear-gradient(128deg, rgba(168, 85, 247, .16), rgba(34, 211, 238, .08) 60%, transparent),
    var(--ink-800);
}
.page-privacy .legal-footnote__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.2vw, 22px);
  letter-spacing: .02em;
  color: var(--glass-white);
}
.page-privacy .legal-footnote__text {
  margin: 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--archive-blue);
}
.page-privacy .legal-footnote__text a {
  color: var(--neon-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 211, 238, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-privacy .legal-footnote__text a:hover,
.page-privacy .legal-footnote__text a:focus-visible {
  color: var(--glass-white);
  border-bottom-color: var(--glass-white);
}

/* ---------- 桌面端：长文 + 粘性目录 ---------- */
@media (min-width: 980px) {
  .page-privacy .legal-layout {
    grid-template-columns: minmax(0, 1fr) var(--privacy-rail);
    gap: clamp(36px, 4.5vw, 64px);
  }
  .page-privacy .legal-rail {
    display: block;
    position: sticky;
    top: 132px;
    align-self: start;
    padding-left: 4px;
  }
  .page-privacy .legal-body .chapter-title {
    max-width: 30ch;
  }
}

@media (min-width: 1240px) {
  .page-privacy {
    --privacy-rail: 240px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .accordion-trigger::after,
  .page-privacy .chapter-title,
  .page-privacy .legal-index__item,
  .page-privacy .rail-link,
  .page-privacy .rail-link::before {
    transition: none;
  }
}