.page-privacy {
  --privacy-measure: 62ch;
  --privacy-rule: rgba(139, 92, 246, 0.3);
  display: block;
  padding-bottom: clamp(48px, 8vw, 104px);
  color: var(--mist);
}

/* ---------- 顶部横幅 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(22px, 4vw, 44px) clamp(26px, 4vw, 48px);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  top: -32%;
  right: -20%;
  width: min(80vw, 700px);
  aspect-ratio: 1 / 1;
  border-radius: 42% 58% 46% 54% / 52% 42% 58% 48%;
  background:
    radial-gradient(circle at 38% 36%, rgba(139, 92, 246, 0.42), transparent 62%),
    radial-gradient(circle at 70% 72%, rgba(34, 211, 238, 0.24), transparent 66%),
    radial-gradient(circle at 22% 84%, rgba(255, 138, 61, 0.16), transparent 60%);
  transform: rotate(var(--skew-a));
  pointer-events: none;
  z-index: 0;
}

.page-privacy .privacy-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-privacy .breadcrumbs {
  margin-bottom: clamp(16px, 3vw, 28px);
}

.page-privacy .privacy-hero__title {
  margin: 14px 0 0;
  font-size: clamp(32px, 6vw, 68px);
  font-weight: 200;
  line-height: 1.1;
  letter-spacing: -0.008em;
  color: var(--mist);
  max-width: 22ch;
}

.page-privacy .privacy-hero__title strong {
  font-weight: 900;
  color: #ffffff;
  text-shadow:
    0 0 16px rgba(139, 92, 246, 0.8),
    0 0 46px rgba(34, 211, 238, 0.36);
}

.page-privacy .privacy-hero__lede {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  max-width: 48ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.9;
  color: var(--muted);
}

.page-privacy .privacy-hero__figure {
  margin-top: clamp(26px, 4vw, 46px);
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 3vw, 40px);
  margin-top: clamp(30px, 4.5vw, 64px);
}

/* ---------- 章节索引 ---------- */
.page-privacy .chapter-index {
  padding: 14px 0;
  border-top: 1px solid var(--line-violet);
  border-bottom: 1px solid var(--line-violet);
  min-width: 0;
}

.page-privacy .chapter-index__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.34em;
  color: var(--muted);
}

.page-privacy .chapter-index__list {
  display: flex;
  gap: 10px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .chapter-index__link {
  display: inline-block;
  white-space: nowrap;
  padding: 6px 13px;
  font-size: 13px;
  color: var(--muted);
  text-decoration: none;
  border: 1px solid var(--line-soft);
  border-radius: 999px;
  transition: color 0.2s ease, border-color 0.2s ease, background-color 0.2s ease;
}

.page-privacy .chapter-index__link:hover,
.page-privacy .chapter-index__link:focus-visible {
  color: var(--mist);
  border-color: var(--line-violet);
}

.page-privacy .chapter-index__link.is-active {
  color: #1B0B33;
  font-weight: 700;
  background: var(--orange);
  border-color: var(--orange);
}

/* ---------- 条款区 ---------- */
.page-privacy .clauses {
  display: grid;
  gap: clamp(30px, 4vw, 58px);
  min-width: 0;
}

.page-privacy .clause {
  position: relative;
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--line-soft);
  min-width: 0;
}

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

.page-privacy .clause__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: clamp(14px, 2.4vw, 26px);
  align-items: start;
  margin-bottom: clamp(14px, 2.2vw, 24px);
}

.page-privacy .clause__num {
  font-family: var(--font-mono);
  font-size: clamp(36px, 5.6vw, 64px);
  font-weight: 200;
  line-height: 0.78;
  color: rgba(139, 92, 246, 0.32);
  -webkit-text-stroke: 1px rgba(125, 249, 255, 0.42);
  padding-top: 2px;
}

.page-privacy .clause__title {
  margin: 0;
  font-size: clamp(20px, 2.9vw, 31px);
  font-weight: 500;
  line-height: 1.3;
  letter-spacing: 0.004em;
  color: var(--mist);
}

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

.page-privacy .clause__lede {
  margin: 0;
  max-width: var(--privacy-measure);
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 场景卡片 ---------- */
.page-privacy .scene-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-privacy .scene {
  position: relative;
  padding: 20px 18px 22px;
  border: 1px solid var(--line-violet);
  border-radius: 4px;
  background: linear-gradient(180deg, rgba(22, 11, 51, 0.92), rgba(10, 6, 24, 0.76));
}

.page-privacy .scene::before {
  content: "";
  position: absolute;
  top: -1px;
  left: 18px;
  width: 46px;
  height: 2px;
  background: var(--violet);
  box-shadow: 0 0 12px rgba(139, 92, 246, 0.9);
}

.page-privacy .scene:nth-child(2)::before {
  background: var(--cyan);
  box-shadow: 0 0 12px rgba(34, 211, 238, 0.9);
}

.page-privacy .scene:nth-child(3)::before {
  background: var(--orange);
  box-shadow: 0 0 12px rgba(255, 138, 61, 0.9);
}

.page-privacy .scene__title {
  margin: 0 0 10px;
  font-size: 16px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--mist);
}

.page-privacy .scene p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 用途列表 ---------- */
.page-privacy .use-list {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .use-list li {
  padding: 4px 0 4px 15px;
  border-left: 2px solid var(--cyan);
  max-width: var(--privacy-measure);
}

.page-privacy .use-list__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--gold);
}

.page-privacy .use-list__val {
  display: block;
  font-size: 15px;
  line-height: 1.8;
  color: var(--muted);
}

/* ---------- 折叠卡片 ---------- */
.page-privacy .fold {
  margin-top: clamp(20px, 2.8vw, 28px);
  max-width: var(--privacy-measure);
}

.page-privacy .fold .fold__body p {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 数据路径示意图 ---------- */
.page-privacy .flow {
  margin: clamp(24px, 3.2vw, 38px) 0 0;
  padding: clamp(16px, 2.4vw, 26px);
  border: 1px solid var(--line-violet);
  border-radius: 4px;
  background: linear-gradient(140deg, rgba(139, 92, 246, 0.13), rgba(34, 211, 238, 0.07) 60%, transparent);
}

.page-privacy .flow__svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .flow__cap {
  margin: 14px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 保存期限 ---------- */
.page-privacy .keep-list {
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .keep-list li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 6px 18px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 15px;
  color: var(--mist);
}

.page-privacy .keep-list .data {
  font-size: 13px;
  letter-spacing: 0.02em;
}

/* ---------- 圆点列表 ---------- */
.page-privacy .bullet-list {
  display: grid;
  gap: 12px;
  margin: clamp(18px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--privacy-measure);
}

.page-privacy .bullet-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .bullet-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--cyan);
  box-shadow: 0 0 10px rgba(34, 211, 238, 0.8);
}

/* ---------- 纸张米条款 ---------- */
.page-privacy .clause--paper {
  padding: clamp(24px, 3.4vw, 44px);
  border-top: 0;
  border-radius: 6px;
  background:
    repeating-linear-gradient(0deg, rgba(36, 16, 65, 0.035) 0 1px, transparent 1px 4px),
    linear-gradient(160deg, #EDE7DC 0%, #E2DACB 100%);
  box-shadow: 0 28px 60px -34px rgba(0, 0, 0, 0.95);
}

.page-privacy .clause--paper .clause__num {
  color: rgba(36, 16, 65, 0.16);
  -webkit-text-stroke: 1px rgba(139, 92, 246, 0.5);
}

.page-privacy .clause--paper .clause__title {
  color: #241041;
}

.page-privacy .clause--paper .clause__lede {
  color: #4B3878;
}

.page-privacy .clause--paper .bullet-list li {
  color: #3B2A63;
}

.page-privacy .clause--paper .bullet-list li::before {
  background: #6D33D6;
  box-shadow: 0 0 8px rgba(109, 51, 214, 0.5);
}

.page-privacy .privacy-mail {
  margin: clamp(20px, 2.8vw, 28px) 0 0;
  padding-top: 16px;
  border-top: 1px dashed rgba(36, 16, 65, 0.24);
  max-width: var(--privacy-measure);
  font-size: 14px;
  line-height: 1.85;
  color: #4B3878;
}

.page-privacy .clause--paper a {
  color: #6D33D6;
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .clause--paper a:hover,
.page-privacy .clause--paper a:focus-visible {
  color: #4315A0;
}

/* ---------- 收尾 ---------- */
.page-privacy .privacy-outro {
  margin-top: clamp(48px, 7vw, 92px);
  padding-block: clamp(30px, 4.6vw, 54px);
  border-top: 1px solid var(--line-violet);
  border-bottom: 1px solid var(--line-violet);
  background: linear-gradient(115deg, rgba(139, 92, 246, 0.16), rgba(34, 211, 238, 0.06) 58%, transparent);
}

.page-privacy .privacy-outro__title {
  margin: 0;
  font-size: clamp(22px, 3vw, 32px);
  font-weight: 300;
  line-height: 1.3;
  color: var(--mist);
}

.page-privacy .privacy-outro__text {
  margin: 14px 0 0;
  max-width: var(--privacy-measure);
  font-size: 15px;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .privacy-outro__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: clamp(20px, 2.8vw, 28px);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .scene-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-privacy .use-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 24px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 206px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 76px);
    align-items: start;
  }

  .page-privacy .chapter-index {
    position: sticky;
    top: 132px;
    padding: 4px 0 4px 18px;
    border-top: 0;
    border-bottom: 0;
    border-left: 1px solid var(--line-violet);
  }

  .page-privacy .chapter-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .chapter-index__link {
    padding: 7px 0;
    border: 0;
    border-radius: 0;
    background: none;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.05em;
  }

  .page-privacy .chapter-index__link:hover,
  .page-privacy .chapter-index__link:focus-visible {
    color: var(--mist);
  }

  .page-privacy .chapter-index__link.is-active {
    background: none;
    color: var(--orange);
    font-weight: 700;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .chapter-index__link,
  .page-privacy .scene,
  .page-privacy .flow {
    transition: none;
  }
}