/* ===== 数据保护 / page-privacy ===== */

.page-privacy {
  --pv-line: rgba(154, 166, 196, 0.16);
  --pv-line-soft: rgba(154, 166, 196, 0.08);
  --pv-paper-line: rgba(42, 31, 26, 0.14);
  --pv-doc: 720px;
  --pv-rail: 214px;
  position: relative;
  padding-bottom: var(--sp-5);
}

.page-privacy::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 640px;
  background-image:
    linear-gradient(var(--pv-line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--pv-line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 86%);
  mask-image: linear-gradient(180deg, rgba(0, 0, 0, 0.85), transparent 86%);
  pointer-events: none;
}

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

.page-privacy .breadcrumb {
  padding-top: var(--sp-3);
}

/* --- 首屏 --- */

.page-privacy .privacy-hero {
  padding-top: var(--sp-3);
  padding-bottom: var(--sp-4);
}

.page-privacy .privacy-hero__figure {
  margin: 0 0 var(--sp-4);
  border: 1px solid var(--pv-line);
  border-radius: var(--r-card);
  overflow: hidden;
  background: var(--ink-deep);
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  opacity: 0.92;
}

.page-privacy .privacy-hero__head {
  display: grid;
  gap: var(--sp-2);
  max-width: 68ch;
}

.page-privacy .privacy-hero__mark {
  width: 50px;
  height: 50px;
  color: var(--mint);
}

.page-privacy .privacy-hero__mark rect,
.page-privacy .privacy-hero__mark path {
  fill: none;
  stroke: currentColor;
  stroke-width: 2;
  stroke-linecap: round;
}

.page-privacy .privacy-hero__mark circle {
  fill: currentColor;
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(34px, 6.6vw, 58px);
  line-height: 1.14;
  letter-spacing: -0.012em;
  color: var(--paper);
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  color: var(--body-ink);
  max-width: 66ch;
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: var(--sp-1);
  margin-top: var(--sp-1);
}

.page-privacy .privacy-hero__meta span {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist);
  border: 1px solid var(--pv-line);
  border-radius: var(--r-pill);
  padding: 5px 13px;
  background: rgba(27, 39, 82, 0.5);
}

/* --- 主体：目录 + 文档 --- */

.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--sp-4);
  align-items: start;
  padding-top: var(--sp-2);
}

.page-privacy .privacy-toc {
  display: flex;
  gap: var(--sp-1);
  overflow-x: auto;
  padding: 2px 2px var(--sp-2);
  scroll-snap-type: x proximity;
  -webkit-overflow-scrolling: touch;
  scrollbar-width: thin;
}

.page-privacy .privacy-toc__link {
  flex: 0 0 auto;
  scroll-snap-align: start;
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 8px 14px;
  border: 1px solid var(--pv-line);
  border-radius: var(--r-pill);
  background: rgba(27, 39, 82, 0.55);
  color: var(--mist);
  font-size: 13px;
  line-height: 1;
  text-decoration: none;
  white-space: nowrap;
  transition:
    color var(--t-fast) var(--ease),
    border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--mint);
  border-color: rgba(53, 242, 192, 0.48);
  background: rgba(18, 119, 95, 0.28);
}

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

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

/* --- 章节卡 --- */

.page-privacy .privacy-sec {
  margin-bottom: var(--sp-4);
  border: 1px solid var(--pv-line);
  border-radius: var(--r-card);
  overflow: hidden;
  background: rgba(7, 12, 31, 0.5);
  scroll-margin-top: 118px;
}

.page-privacy .privacy-sec:last-of-type {
  margin-bottom: var(--sp-3);
}

.page-privacy .privacy-sec__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 6px var(--sp-3);
  align-items: start;
  padding: var(--sp-3);
  background:
    linear-gradient(104deg, rgba(168, 69, 42, 0.4) 0%, rgba(168, 69, 42, 0.06) 44%, rgba(14, 22, 51, 0) 72%),
    var(--rail);
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .privacy-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 7px;
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-title);
  font-weight: 800;
  font-size: clamp(20px, 2.8vw, 27px);
  line-height: 1.3;
  letter-spacing: -0.005em;
  color: var(--paper);
}

.page-privacy .privacy-sec__note {
  grid-column: 2;
  margin: 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist);
  max-width: 48ch;
}

.page-privacy .privacy-sec__body {
  background: var(--paper);
  color: var(--brown);
  padding: var(--sp-3);
}

.page-privacy .privacy-sec__cta {
  margin: var(--sp-3) 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: rgba(42, 31, 26, 0.78);
}

/* --- 条目列表 --- */

.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
}

.page-privacy .privacy-list > li {
  display: grid;
  grid-template-columns: 36px minmax(0, 1fr);
  gap: var(--sp-1);
  padding: var(--sp-2) 0;
  border-top: 1px solid var(--pv-paper-line);
}

.page-privacy .privacy-list > li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .privacy-list > li p {
  margin: 0;
  font-size: 15px;
  line-height: 1.85;
}

.page-privacy .privacy-list strong {
  font-weight: 800;
  color: var(--brown);
}

.page-privacy .privacy-list__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mint-dim);
  padding-top: 5px;
}

/* --- 数据小结 --- */

.page-privacy .privacy-stats {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  gap: var(--sp-2);
  margin: var(--sp-3) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-stats li {
  padding: var(--sp-2);
  border: 1px solid var(--pv-paper-line);
  border-radius: 16px;
  background: rgba(42, 31, 26, 0.045);
}

.page-privacy .privacy-stats .num {
  display: block;
  font-family: var(--font-mono);
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mint-dim);
}

.page-privacy .privacy-stats li > span:last-child {
  display: block;
  margin-top: 4px;
  font-size: 12px;
  line-height: 1.6;
  color: rgba(42, 31, 26, 0.68);
}

/* --- 展开折叠 --- */

.page-privacy .privacy-fold {
  margin-top: var(--sp-3);
  padding: 2px var(--sp-3);
  border: 1px solid var(--pv-paper-line);
  border-radius: 16px;
  background: rgba(42, 31, 26, 0.05);
}

.page-privacy .privacy-fold > summary {
  padding: var(--sp-2) 0;
  font-size: 14px;
  font-weight: 700;
  line-height: 1.6;
  color: var(--brown);
  cursor: pointer;
  list-style: none;
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .privacy-fold > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-fold > summary:hover {
  color: var(--laterite);
}

.page-privacy .privacy-fold .fold__body {
  padding-bottom: var(--sp-3);
  font-size: 14px;
  line-height: 1.85;
  color: rgba(42, 31, 26, 0.8);
}

.page-privacy .privacy-fold .fold__body p {
  margin: 0;
}

/* --- 深色章节 --- */

.page-privacy .privacy-sec--ink .privacy-sec__body {
  background: var(--ink-deep);
  color: var(--body-ink);
}

.page-privacy .privacy-sec--ink .privacy-list > li {
  border-top-color: var(--pv-line);
}

.page-privacy .privacy-sec--ink .privacy-list > li p {
  color: var(--body-ink);
}

.page-privacy .privacy-sec--ink .privacy-list strong {
  color: var(--paper);
}

.page-privacy .privacy-sec--ink .privacy-list__num {
  color: var(--mint);
}

/* --- 页尾小条 --- */

.page-privacy .privacy-foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: var(--sp-2);
  padding: var(--sp-3) 0 var(--sp-3);
  border-top: 1px solid var(--pv-line);
}

.page-privacy .privacy-foot__text {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 46ch;
}

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

/* --- 断点 --- */

@media (min-width: 700px) {
  .page-privacy .privacy-sec__body {
    padding: var(--sp-4);
  }

  .page-privacy .privacy-stats {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--pv-rail) minmax(0, var(--pv-doc));
    gap: var(--sp-5);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 106px;
    flex-direction: column;
    gap: 4px;
    overflow: visible;
    padding: 0;
    scroll-snap-type: none;
  }

  .page-privacy .privacy-toc__link {
    width: 100%;
    justify-content: flex-start;
    border-radius: 14px;
    white-space: normal;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-hero {
    padding-top: var(--sp-4);
  }

  .page-privacy .privacy-hero__figure {
    margin-bottom: var(--sp-5);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-fold > summary {
    transition: none;
  }
}