/* ===== 隐私政策 · 页面专属样式（作用域 .page-privacy） ===== */

.page-privacy {
  --pp-read: 720px;
  --pp-num-col: 34px;
  --pp-rule: 1px solid var(--c-line);
  display: block;
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* ---- 首屏 ---- */
.page-privacy .pp-hero {
  padding-top: clamp(6px, 2.5vw, 20px);
}

.page-privacy .crumbs {
  margin-bottom: clamp(20px, 4vw, 34px);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--c-meta);
}

.page-privacy .pp-hero__head {
  max-width: 760px;
}

.page-privacy h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-size: clamp(30px, 5.6vw, 52px);
  font-weight: 700;
  line-height: 1.16;
  letter-spacing: -.012em;
  color: var(--c-title);
}

.page-privacy .pp-hero__lede {
  margin: 18px 0 0;
  max-width: 62ch;
  font-size: clamp(16px, 1.9vw, 17.5px);
  line-height: 1.78;
  color: var(--c-body);
}

.page-privacy .pp-hero__figure {
  margin: clamp(28px, 5vw, 46px) 0 0;
}

.page-privacy .pp-hero__figure .figure__frame {
  border: 1px solid var(--c-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background: var(--c-panel);
}

.page-privacy .pp-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  aspect-ratio: 12 / 5;
}

.page-privacy .pp-hero__figure .figure__caption {
  margin-top: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-meta);
}

/* ---- 顶部摘要带 ---- */
.page-privacy .pp-scope {
  margin-top: clamp(24px, 4vw, 38px);
  padding: 18px clamp(16px, 3vw, 24px) 20px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-md);
  background: var(--c-surface);
}

.page-privacy .pp-scope__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-privacy .pp-scope .chip {
  text-decoration: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-privacy .pp-scope .chip:hover,
.page-privacy .pp-scope .chip:focus-visible {
  border-color: var(--c-signal);
  color: var(--c-paper);
}

/* ---- 正文骨架 ---- */
.page-privacy .pp-body {
  margin-top: clamp(40px, 7vw, 76px);
}

.page-privacy .pp-body__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 44px);
}

/* ---- 条款 ---- */
.page-privacy .pp-doc {
  min-width: 0;
}

.page-privacy .pp-clause {
  padding: clamp(26px, 4vw, 42px) 0;
  border-top: var(--pp-rule);
}

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

.page-privacy .pp-clause__head {
  display: grid;
  grid-template-columns: var(--pp-num-col) minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-privacy .pp-clause__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .14em;
  color: var(--c-signal);
}

.page-privacy h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(20px, 2.7vw, 26px);
  font-weight: 700;
  line-height: 1.32;
  letter-spacing: -.005em;
  color: var(--c-title);
}

.page-privacy .pp-clause__body {
  margin-top: 16px;
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.82;
  color: var(--c-body);
}

.page-privacy .pp-clause__body > p {
  margin: 0 0 14px;
}

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

.page-privacy .pp-clause__body a {
  color: var(--c-signal-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 192, 138, .45);
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

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

/* ---- 条目列表 ---- */
.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pp-list > li {
  position: relative;
  padding-left: 22px;
  border-left: 1px solid var(--c-line);
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 8px;
  top: .78em;
  width: 9px;
  height: 2px;
  border-radius: var(--r-pill);
  background: var(--c-slate);
}

.page-privacy .pp-list strong {
  display: inline;
  color: var(--c-paper);
  font-weight: 600;
}

/* ---- 联系方式 ---- */
.page-privacy .contact-list {
  list-style: none;
  margin: 0 0 14px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .contact-line {
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--c-paper);
  word-break: break-word;
}

.page-privacy .contact-line a {
  color: var(--c-signal-soft);
  text-decoration: none;
  border-bottom: 1px solid rgba(255, 192, 138, .45);
}

.page-privacy .contact-line a:hover,
.page-privacy .contact-line a:focus-visible {
  color: var(--c-signal);
  border-bottom-color: var(--c-signal);
}

.page-privacy .contact-note {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--c-meta);
}

.page-privacy .pp-callout {
  margin: 0 0 22px;
  border-left: 3px solid var(--c-signal);
  background: rgba(18, 41, 63, .72);
}

.page-privacy .pp-callout p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-body);
}

.page-privacy .pp-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---- 右侧条款目录 ---- */
.page-privacy .pp-rail {
  min-width: 0;
}

.page-privacy .pp-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--c-mist);
}

.page-privacy .pp-rail__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: none;
}

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

.page-privacy .pp-rail__link {
  display: block;
  flex: 0 0 auto;
  padding: 8px 12px;
  border: 1px solid var(--c-line);
  border-radius: var(--r-pill);
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .02em;
  color: var(--c-mist);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    background var(--t-fast) var(--ease);
}

.page-privacy .pp-rail__link:hover,
.page-privacy .pp-rail__link:focus-visible {
  color: var(--c-paper);
  border-color: var(--c-signal);
}

.page-privacy .pp-rail__link.is-active,
.page-privacy .pp-rail__link[aria-current="true"] {
  color: var(--c-signal);
  border-color: var(--c-signal);
  background: rgba(255, 122, 26, .1);
}

/* ---- 滚入动效 ---- */
.page-privacy [data-reveal] {
  opacity: 0;
  transform: translateY(14px);
  transition: opacity var(--t-slow) var(--ease), transform var(--t-slow) var(--ease);
}

.page-privacy [data-reveal].is-visible {
  opacity: 1;
  transform: none;
}

/* ---- 640px 以上：条款正文缩进对齐编号列 ---- */
@media (min-width: 720px) {
  .page-privacy {
    --pp-num-col: 64px;
  }

  .page-privacy .pp-clause__body {
    padding-left: var(--pp-num-col);
  }

  .page-privacy .pp-list > li {
    padding-left: 26px;
  }

  .page-privacy .pp-list > li::before {
    left: 10px;
  }
}

/* ---- 1024px 以上：主文 + 右侧目录 ---- */
@media (min-width: 1024px) {
  .page-privacy .pp-body__grid {
    grid-template-columns: minmax(0, 728px) minmax(0, 1fr);
    gap: clamp(48px, 5vw, 76px);
    align-items: start;
  }

  .page-privacy .pp-rail {
    position: sticky;
    top: 104px;
    justify-self: end;
    width: 100%;
    max-width: 264px;
  }

  .page-privacy .pp-rail__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pp-rail__link {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0 var(--r-xs) var(--r-xs) 0;
    padding: 9px 12px;
    white-space: normal;
  }

  .page-privacy .pp-rail__link:hover,
  .page-privacy .pp-rail__link:focus-visible {
    background: rgba(74, 109, 140, .14);
    border-left-color: var(--c-slate);
    color: var(--c-paper);
  }

  .page-privacy .pp-rail__link.is-active,
  .page-privacy .pp-rail__link[aria-current="true"] {
    background: rgba(255, 122, 26, .1);
    border-left-color: var(--c-signal);
    color: var(--c-signal);
  }
}

/* ---- 减弱动效偏好 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy [data-reveal] {
    opacity: 1;
    transform: none;
    transition: none;
  }
}
</main>