.page-privacy {
  --privacy-body: #C9D6E2;
  --privacy-line: rgba(215, 226, 236, 0.14);
  background: var(--ink-900);
  color: var(--paper);
  font-family: var(--font-sans);
}

/* 阅读进度 */
.page-privacy .privacy-progress {
  position: sticky;
  top: var(--topbar-h);
  z-index: 20;
  height: 3px;
  background: var(--ink-700);
}
.page-privacy .privacy-progress__bar {
  display: block;
  height: 100%;
  width: calc(var(--scroll-progress) * 100%);
  background: linear-gradient(90deg, var(--orange-500), var(--cyan-400));
  transition: width 120ms linear;
}

/* 页头 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--privacy-line);
  background: var(--ink-900);
}
.page-privacy .privacy-hero__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
}
.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(6, 22, 38, 0.2) 0%, rgba(6, 22, 38, 0.92) 62%, var(--ink-900) 100%),
    linear-gradient(180deg, rgba(6, 22, 38, 0.35) 0%, rgba(6, 22, 38, 0.95) 100%);
  pointer-events: none;
}
.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(26px, 5vw, 44px) clamp(34px, 6vw, 72px);
}
.page-privacy .privacy-hero__inner .breadcrumb {
  margin-bottom: clamp(20px, 4vw, 32px);
}
.page-privacy .privacy-hero__inner .kicker {
  display: inline-block;
  margin: 0 0 14px;
  padding: 6px 12px;
  border: 1px solid rgba(47, 227, 208, 0.4);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}
.page-privacy h1 {
  margin: 0 0 18px;
  max-width: 20ch;
  font-size: clamp(30px, 6.4vw, 52px);
  line-height: 1.14;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--paper);
}
.page-privacy .privacy-hero__inner .lede {
  max-width: 58ch;
  margin: 0;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--privacy-body);
}
.page-privacy .privacy-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 24px 0 0;
  padding: 0;
  list-style: none;
}
.page-privacy .privacy-hero__tags .tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
}

/* 布局 */
.page-privacy .privacy-layout {
  display: grid;
  gap: clamp(20px, 4vw, 40px);
  padding-block: clamp(30px, 6vw, 64px) clamp(48px, 8vw, 96px);
  align-items: start;
}

/* 目录 */
.page-privacy .privacy-toc__box {
  background: var(--ink-800);
  border: 1px solid rgba(215, 226, 236, 0.18);
  border-radius: var(--r-lg);
  padding: 16px 18px;
}
.page-privacy .privacy-toc__summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-400);
}
.page-privacy .privacy-toc__summary::-webkit-details-marker {
  display: none;
}
.page-privacy .privacy-toc__summary::after {
  content: "+";
  font-size: 16px;
  line-height: 1;
  color: var(--orange-500);
}
.page-privacy .privacy-toc__box[open] .privacy-toc__summary::after {
  content: "–";
}
.page-privacy .privacy-toc__list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
  border-top: 1px solid var(--privacy-line);
}
.page-privacy .privacy-toc__list li {
  border-bottom: 1px solid var(--privacy-line);
}
.page-privacy .privacy-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 11px 4px;
  color: var(--privacy-body);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color var(--dur-1) var(--ease), padding-left var(--dur-1) var(--ease);
}
.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-300);
}
.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  color: var(--paper);
  padding-left: 10px;
}
.page-privacy .privacy-toc__list a:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
  border-radius: 4px;
}
.page-privacy .privacy-toc__note {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--gray-300);
}
.page-privacy .privacy-toc__note a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* 正文 */
.page-privacy .privacy-doc {
  max-width: 68ch;
}
.page-privacy .privacy-sec {
  padding-block: clamp(22px, 4vw, 34px);
  border-top: 1px solid var(--privacy-line);
  scroll-margin-top: 96px;
}
.page-privacy .privacy-sec:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .privacy-sec__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--orange-500);
}
.page-privacy .privacy-sec h2 {
  margin: 8px 0 14px;
  font-size: clamp(20px, 3.2vw, 26px);
  line-height: 1.32;
  letter-spacing: -0.01em;
  font-weight: 700;
  color: var(--paper);
}
.page-privacy .privacy-sec p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--privacy-body);
}
.page-privacy .privacy-sec p:last-child {
  margin-bottom: 0;
}
.page-privacy .privacy-sec a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-privacy .privacy-sec a:hover {
  color: var(--paper);
}

/* 分类事实块 */
.page-privacy .privacy-facts {
  margin: 18px 0 20px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-privacy .privacy-fact {
  padding: 14px 18px;
  background: var(--ink-800);
  border-left: 2px solid var(--cyan-400);
  border-radius: 0 var(--r-md) var(--r-md) 0;
}
.page-privacy .privacy-fact strong {
  display: block;
  margin-bottom: 6px;
  font-size: 15px;
  color: var(--paper);
}
.page-privacy .privacy-fact span {
  display: block;
  font-size: 15px;
  line-height: 1.78;
  color: var(--privacy-body);
}

/* 条目列表 */
.page-privacy .privacy-list {
  margin: 16px 0 18px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--privacy-body);
}
.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 10px;
  height: 2px;
  background: var(--orange-500);
  border-radius: 2px;
}
.page-privacy .privacy-list strong {
  color: var(--paper);
}

/* 保存期限表 */
.page-privacy .privacy-table {
  margin: 18px 0 20px;
  border: 1px solid rgba(215, 226, 236, 0.18);
  border-radius: var(--r-md);
  overflow: hidden;
  background: var(--ink-800);
}
.page-privacy .privacy-table__row {
  display: grid;
  gap: 4px;
  padding: 14px 18px;
  border-top: 1px solid var(--privacy-line);
}
.page-privacy .privacy-table__row:first-child {
  border-top: 0;
}
.page-privacy .privacy-table__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange-300);
}
.page-privacy .privacy-table__val {
  margin: 0;
  font-size: 15px;
  line-height: 1.75;
  color: var(--privacy-body);
}

/* 权利提示块 */
.page-privacy .privacy-callout {
  margin-top: 20px;
  padding: 20px;
  background: var(--ink-700);
  border: 1px solid rgba(47, 227, 208, 0.34);
  border-radius: var(--r-lg);
}
.page-privacy .privacy-callout p {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--privacy-body);
}
.page-privacy .privacy-callout strong {
  color: var(--paper);
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  word-break: break-all;
}

/* 回到顶部 */
.page-privacy .privacy-top {
  display: inline-block;
  margin-top: 22px;
  padding: 9px 18px;
  border: 1px solid rgba(215, 226, 236, 0.28);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--gray-300);
  text-decoration: none;
  transition: color var(--dur-1) var(--ease), border-color var(--dur-1) var(--ease);
}
.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  color: var(--orange-500);
  border-color: var(--orange-500);
}
.page-privacy .privacy-top:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

@media (min-width: 480px) {
  .page-privacy .privacy-table__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-progress {
    top: 0;
  }
  .page-privacy .privacy-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 64px);
  }
  .page-privacy .privacy-toc {
    position: sticky;
    top: 40px;
  }
  .page-privacy .privacy-sec {
    scroll-margin-top: 48px;
  }
  .page-privacy .privacy-callout {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 24px;
    padding: 24px 26px;
  }
  .page-privacy .privacy-callout p {
    margin: 0;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 272px minmax(0, 1fr);
  }
  .page-privacy .privacy-sec {
    padding-block: 38px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-progress__bar,
  .page-privacy .privacy-toc__list a,
  .page-privacy .privacy-top {
    transition: none;
  }
}