.page-privacy {
  --privacy-measure: 34em;
  --privacy-gutter: clamp(16px, 4vw, 40px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(28px, 5vw, 44px) clamp(36px, 6vw, 64px);
  border-bottom: 1px solid var(--c-grid);
  background:
    radial-gradient(120% 90% at 88% 8%, rgba(51, 240, 208, 0.12) 0%, rgba(51, 240, 208, 0) 58%),
    linear-gradient(158deg, var(--c-deep) 0%, var(--c-void) 52%, var(--c-void) 100%);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: -14%;
  bottom: -46%;
  width: 62%;
  height: 150%;
  border-left: 1px solid rgba(51, 240, 208, 0.28);
  background: linear-gradient(180deg, rgba(77, 139, 255, 0.14), rgba(77, 139, 255, 0));
  transform: rotate(19deg);
  pointer-events: none;
}

.page-privacy .privacy-hero .crumbs {
  position: relative;
  z-index: 2;
  margin-bottom: clamp(24px, 4vw, 40px);
}

.page-privacy .privacy-hero-inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: clamp(28px, 5vw, 56px);
}

.page-privacy .privacy-hero-copy {
  max-width: 40em;
}

.page-privacy .privacy-hero h1 {
  margin: var(--sp-3) 0 0;
  font-size: clamp(1.85rem, 6.2vw, 3.35rem);
  font-weight: 900;
  line-height: 1.12;
  letter-spacing: -0.01em;
  color: var(--c-cloud);
}

.page-privacy .privacy-lede {
  margin-top: var(--sp-5);
  max-width: var(--privacy-measure);
  font-size: var(--fs-3);
  line-height: 1.8;
  color: var(--c-muted);
}

.page-privacy .privacy-hero-facts {
  display: grid;
  gap: 1px;
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--c-grid);
  border: 1px solid var(--c-grid);
}

.page-privacy .privacy-hero-facts li {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  padding: var(--sp-4);
  background: rgba(13, 21, 48, 0.82);
}

.page-privacy .privacy-fact-num {
  font-family: var(--f-mono);
  font-size: var(--fs-stat);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.02em;
  color: var(--c-cyan);
}

.page-privacy .privacy-fact-label {
  font-size: var(--fs-2);
  color: var(--c-cloud);
}

.page-privacy .privacy-hero-media {
  margin: 0;
  border: 1px solid var(--c-grid);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 88%);
}

.page-privacy .privacy-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 1600 / 520;
  filter: saturate(0.9);
}

.page-privacy .privacy-hero-media .media-caption {
  display: block;
  padding: var(--sp-3) var(--sp-4) var(--sp-5);
  background: rgba(6, 11, 28, 0.86);
  border-top: 1px solid var(--c-grid);
  font-family: var(--f-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.02em;
  color: var(--c-muted);
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(32px, 5vw, 56px);
  padding-block: clamp(40px, 7vw, 84px) clamp(56px, 9vw, 112px);
}

/* ---------- 章节目录 ---------- */
.page-privacy .privacy-toc {
  border: 1px solid var(--c-grid);
  border-top: 2px solid var(--c-cyan);
  background: rgba(13, 21, 48, 0.6);
  padding: var(--sp-5) var(--sp-4);
}

.page-privacy .privacy-toc .toc-title {
  margin: 0 0 var(--sp-4);
  font-family: var(--f-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.page-privacy .privacy-toc .toc-link {
  display: flex;
  align-items: baseline;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-2);
  border-left: 2px solid transparent;
  font-size: var(--fs-2);
  line-height: 1.5;
  color: var(--c-muted);
  text-decoration: none;
  transition: color 160ms var(--ease), border-color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-privacy .privacy-toc .toc-link:hover,
.page-privacy .privacy-toc .toc-link:focus-visible {
  color: var(--c-cloud);
  background: rgba(51, 240, 208, 0.06);
}

.page-privacy .privacy-toc .toc-link[aria-current="true"] {
  border-left-color: var(--c-cyan);
  background: rgba(51, 240, 208, 0.09);
  color: var(--c-cloud);
}

.page-privacy .privacy-toc-num {
  flex: none;
  font-family: var(--f-mono);
  font-size: var(--fs-1);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.04em;
  color: var(--c-cyan);
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-body {
  min-width: 0;
}

.page-privacy .privacy-section {
  padding: clamp(28px, 5vw, 48px) 0;
  border-top: 1px solid var(--c-grid);
}

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

.page-privacy .privacy-section-head {
  display: flex;
  align-items: baseline;
  gap: var(--sp-4);
  margin-bottom: var(--sp-5);
}

.page-privacy .privacy-section-num {
  flex: none;
  font-family: var(--f-mono);
  font-size: var(--fs-2);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
  border-bottom: 1px solid var(--c-cyan);
  padding-bottom: 2px;
}

.page-privacy .privacy-section h2 {
  margin: 0;
  font-size: clamp(1.3rem, 4.4vw, 1.85rem);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--c-cloud);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

.page-privacy .privacy-body p {
  max-width: var(--privacy-measure);
  margin: 0 0 var(--sp-4);
  font-size: 1rem;
  line-height: 1.85;
  color: var(--c-muted);
}

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

.page-privacy .privacy-body h3 {
  margin: 0 0 var(--sp-3);
  font-size: 1.0625rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-cloud);
}

.page-privacy .privacy-body a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(51, 240, 208, 0.4);
  transition: border-color 140ms var(--ease), color 140ms var(--ease);
}

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

/* 场景条目 */
.page-privacy .privacy-scene {
  position: relative;
  margin-top: var(--sp-6);
  padding-left: var(--sp-5);
  border-left: 1px solid var(--c-grid);
}

.page-privacy .privacy-scene::before {
  content: "";
  position: absolute;
  left: -1px;
  top: 6px;
  width: 2px;
  height: 26px;
  background: var(--c-cyan);
}

.page-privacy .privacy-scene p {
  margin-bottom: 0;
}

/* 使用目的 */
.page-privacy .privacy-uses {
  display: grid;
  gap: var(--sp-5);
  margin: var(--sp-6) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-use {
  display: grid;
  gap: var(--sp-2);
  padding: var(--sp-5) var(--sp-4);
  border: 1px solid var(--c-grid);
  border-left: 2px solid var(--c-cyan);
  background: rgba(13, 21, 48, 0.55);
  transition: transform 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-privacy .privacy-use:hover {
  transform: translateY(-2px);
  border-color: rgba(51, 240, 208, 0.45);
  background: rgba(13, 21, 48, 0.85);
}

.page-privacy .privacy-use-num {
  font-family: var(--f-mono);
  font-size: var(--fs-1);
  font-variant-numeric: tabular-nums;
  letter-spacing: 0.14em;
  color: var(--c-cyan);
}

.page-privacy .privacy-use-title {
  margin: 0;
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--c-cloud);
}

.page-privacy .privacy-use p {
  margin: 0;
  max-width: 32em;
}

/* 权限表格 */
.page-privacy .privacy-table-caption {
  padding: var(--sp-3) var(--sp-4);
  text-align: left;
  font-family: var(--f-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
  color: var(--c-cyan);
  background: var(--c-deep);
  border: 1px solid var(--c-grid);
  border-bottom: 0;
}

.page-privacy .privacy-table {
  min-width: 560px;
  font-size: var(--fs-2);
}

.page-privacy .privacy-table th,
.page-privacy .privacy-table td {
  padding: var(--sp-4);
  text-align: left;
  vertical-align: top;
  line-height: 1.7;
  border-bottom: 1px solid var(--c-grid);
}

.page-privacy .privacy-table thead th {
  font-family: var(--f-mono);
  font-size: var(--fs-1);
  font-weight: 500;
  letter-spacing: 0.08em;
  color: var(--c-cloud);
  background: var(--c-deep);
}

.page-privacy .privacy-table tbody th {
  font-weight: 500;
  white-space: nowrap;
  color: var(--c-cloud);
}

.page-privacy .privacy-table tbody td {
  color: var(--c-muted);
}

.page-privacy .privacy-table tbody tr:nth-child(odd) {
  background: rgba(11, 59, 56, 0.34);
}

.page-privacy .privacy-table tbody tr:hover {
  background: rgba(51, 240, 208, 0.08);
}

.page-privacy .privacy-perms-note {
  margin-top: var(--sp-5);
  padding-left: var(--sp-4);
  border-left: 2px solid var(--c-grid);
}

/* 保存与删除 */
.page-privacy .privacy-keep-list {
  margin: var(--sp-6) 0 0;
  display: grid;
  gap: 1px;
  background: var(--c-grid);
  border: 1px solid var(--c-grid);
}

.page-privacy .privacy-keep-item {
  padding: var(--sp-5) var(--sp-4);
  background: var(--c-void);
}

.page-privacy .privacy-keep-item dt {
  margin-bottom: var(--sp-2);
  font-size: 1rem;
  font-weight: 700;
  color: var(--c-cloud);
}

.page-privacy .privacy-keep-item dd {
  margin: 0;
  max-width: var(--privacy-measure);
  font-size: var(--fs-2);
  line-height: 1.8;
  color: var(--c-muted);
}

.page-privacy .privacy-callout {
  margin-top: var(--sp-6);
}

.page-privacy .privacy-callout p {
  max-width: var(--privacy-measure);
  color: var(--c-cloud);
}

.page-privacy .privacy-callout strong {
  color: var(--c-orange);
}

.page-privacy .privacy-copy-row {
  margin: var(--sp-4) 0 0;
}

.page-privacy .copy-btn {
  display: inline-block;
  padding: var(--sp-3) var(--sp-5);
  border: 1px solid var(--c-grid);
  border-radius: var(--radius);
  background: transparent;
  font-family: var(--f-mono);
  font-size: var(--fs-1);
  letter-spacing: 0.08em;
  color: var(--c-cloud);
  cursor: pointer;
  transition: border-color 160ms var(--ease), color 160ms var(--ease), background-color 160ms var(--ease);
}

.page-privacy .copy-btn:hover,
.page-privacy .copy-btn:focus-visible {
  border-color: var(--c-cyan);
  color: var(--c-cyan);
}

.page-privacy .copy-btn[data-copied="true"] {
  border-color: var(--c-cyan);
  background: rgba(51, 240, 208, 0.12);
  color: var(--c-cyan);
}

/* 更新说明与未成年人保护 */
.page-privacy .privacy-update-block {
  padding: var(--sp-5) 0;
  border-bottom: 1px solid var(--c-grid);
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-update-block:last-of-type {
  border-bottom: 0;
}

.page-privacy .privacy-update-block p {
  margin: 0;
}

.page-privacy .privacy-foot-note {
  margin-top: var(--sp-5);
  font-family: var(--f-mono);
  font-size: var(--fs-2);
  letter-spacing: 0.02em;
}

/* 返回顶部 */
.page-privacy .to-top {
  position: fixed;
  right: clamp(16px, 4vw, 32px);
  bottom: clamp(16px, 4vw, 32px);
  z-index: 40;
  width: 44px;
  height: 44px;
  display: grid;
  place-items: center;
  border: 1px solid var(--c-grid);
  border-radius: var(--radius);
  background: rgba(13, 21, 48, 0.92);
  color: var(--c-cyan);
  font-size: 1.125rem;
  cursor: pointer;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity 200ms var(--ease), transform 200ms var(--ease), visibility 200ms var(--ease), border-color 160ms var(--ease);
}

.page-privacy .to-top[data-visible="true"] {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

.page-privacy .to-top:hover,
.page-privacy .to-top:focus-visible {
  border-color: var(--c-cyan);
}

/* ---------- 断点 ---------- */
@media (min-width: 620px) {
  .page-privacy .privacy-hero-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-keep-list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero-inner {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 230px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
  }

  .page-privacy .privacy-body {
    max-width: 46em;
  }
}

@media (min-width: 1180px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-use,
  .page-privacy .to-top,
  .page-privacy .privacy-toc .toc-link,
  .page-privacy .copy-btn {
    transition: none;
  }

  .page-privacy .privacy-use:hover {
    transform: none;
  }
}