.page-privacy {
  --privacy-measure: 68ch;
  --privacy-gap: 40px;
  color: var(--bone);
}

/* ===== 首屏 ===== */
.page-privacy .privacy-hero {
  padding-top: 48px;
  padding-bottom: 64px;
}

.page-privacy .privacy-hero-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

.page-privacy .privacy-hero-copy h1 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(30px, 6.4vw, 52px);
  line-height: 1.22;
  letter-spacing: 0.005em;
  margin: 16px 0 20px;
  max-width: 22ch;
}

.page-privacy .privacy-hero-copy .lede {
  max-width: var(--privacy-measure);
}

.page-privacy .privacy-hero-stamp {
  margin-top: 28px;
  display: inline-flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  border: 1px solid var(--line);
  border-radius: var(--pill);
  background: var(--slate);
}

.page-privacy .stamp-key {
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--mist);
  text-transform: uppercase;
}

.page-privacy .stamp-val {
  font-size: 14px;
  color: var(--bone);
}

.page-privacy .privacy-hero-media {
  position: relative;
  border-radius: var(--r-lg);
  overflow: hidden;
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-privacy .privacy-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

.page-privacy .privacy-hero-media figcaption {
  position: absolute;
  left: 16px;
  right: 16px;
  bottom: 14px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--bone);
  background: var(--glass);
  border-left: 3px solid var(--cyan);
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  padding: 10px 14px;
  backdrop-filter: blur(6px);
}

/* ===== 主体布局 ===== */
.page-privacy .privacy-body {
  padding-top: 8px;
  padding-bottom: 96px;
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 40px;
}

/* ===== 目录 ===== */
.page-privacy .privacy-toc {
  position: static;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--slate);
  padding: 22px 22px 18px;
}

.page-privacy .toc-title {
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 14px;
}

.page-privacy .toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  counter-reset: toc;
  display: grid;
  gap: 2px;
  border-left: 1px solid var(--line);
}

.page-privacy .toc-list li {
  counter-increment: toc;
}

.page-privacy .toc-link {
  display: block;
  position: relative;
  padding: 9px 12px 9px 16px;
  font-size: 15px;
  color: var(--mist);
  text-decoration: none;
  border-radius: 0 var(--r-sm) var(--r-sm) 0;
  transition: color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .toc-link::before {
  content: counter(toc, decimal-leading-zero);
  font-family: var(--font-display);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--rock);
  margin-right: 10px;
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  color: var(--bone);
  background: rgba(47, 217, 201, 0.08);
}

.page-privacy .toc-link[data-toc-link][aria-current="true"] {
  color: var(--bone);
  background: rgba(47, 217, 201, 0.1);
  box-shadow: inset 2px 0 0 0 var(--cyan);
}

.page-privacy .toc-link[data-toc-link][aria-current="true"]::before {
  color: var(--cyan);
}

.page-privacy .toc-meta {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--mist);
}

/* ===== 章节 ===== */
.page-privacy .privacy-articles {
  display: grid;
  gap: 64px;
}

.page-privacy .privacy-chapter {
  scroll-margin-top: 96px;
}

.page-privacy .chapter-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  margin-bottom: 22px;
  border-bottom: 1px solid var(--line);
  position: relative;
}

.page-privacy .chapter-head::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: -1px;
  width: 56px;
  height: 2px;
  background: var(--cyan);
}

.page-privacy .chapter-index {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(28px, 5vw, 40px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--flame);
  flex: none;
}

.page-privacy .chapter-head h2 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(22px, 4.4vw, 32px);
  line-height: 1.3;
  margin: 0;
  color: var(--bone);
}

.page-privacy .chapter-head-sub {
  margin-top: 40px;
  margin-bottom: 16px;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .chapter-head-sub::after {
  display: none;
}

.page-privacy .chapter-head-sub h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(18px, 3.4vw, 22px);
  margin: 0;
  color: var(--bone);
}

.page-privacy .privacy-chapter p {
  max-width: var(--privacy-measure);
  margin: 0 0 18px;
  font-size: 16.5px;
  line-height: 1.85;
  color: #d8dbd4;
}

.page-privacy .privacy-chapter p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 217, 201, 0.35);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .privacy-chapter p a:hover,
.page-privacy .privacy-chapter p a:focus-visible {
  color: var(--clay);
  border-bottom-color: var(--clay);
}

/* ===== 信息卡带 ===== */
.page-privacy .fact-band {
  margin: 26px 0 30px;
  border-radius: var(--r-md);
  background: var(--bone);
  padding: 8px 4px;
  max-width: 640px;
}

.page-privacy .fact-row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 18px;
  padding: 14px 20px;
  border-bottom: 1px solid rgba(18, 22, 26, 0.1);
}

.page-privacy .fact-row:last-child {
  border-bottom: 0;
}

.page-privacy .fact-key {
  flex: 0 0 88px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: #5c635e;
  font-weight: 500;
}

.page-privacy .fact-val {
  flex: 1 1 220px;
  font-size: 15px;
  line-height: 1.7;
  color: #12161A;
}

/* ===== 列表 ===== */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 8px;
  padding: 0;
  max-width: var(--privacy-measure);
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-list li {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  font-size: 15.5px;
  line-height: 1.8;
  color: #d8dbd4;
}

.page-privacy .list-mark {
  flex: none;
  width: 8px;
  height: 8px;
  margin-top: 11px;
  border-radius: 2px;
  background: var(--cyan);
}

.page-privacy .privacy-list-neg .list-mark {
  background: var(--clay);
  border-radius: 50%;
}

/* ===== 用途卡片 ===== */
.page-privacy .use-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 14px;
  margin: 4px 0 8px;
}

.page-privacy .use-card {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--slate);
  padding: 20px 22px;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .use-card:hover {
  transform: translateY(-4px);
  border-color: rgba(47, 217, 201, 0.5);
}

.page-privacy .use-title {
  margin: 0 0 8px;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
  color: var(--cyan);
}

.page-privacy .use-card p:last-child {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--bone);
}

/* ===== 保存数据条 ===== */
.page-privacy .retain-strip {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 30px;
  background: var(--line);
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  overflow: hidden;
}

.page-privacy .retain-cell {
  background: var(--slate);
  padding: 24px 22px;
}

.page-privacy .retain-num {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 56px;
  line-height: 1;
  letter-spacing: -0.02em;
  color: var(--lime);
}

.page-privacy .retain-unit {
  font-size: 14px;
  color: var(--mist);
  margin-left: 8px;
}

.page-privacy .retain-label {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist) !important;
}

/* ===== 权利折叠 ===== */
.page-privacy .rights-list {
  display: grid;
  gap: 12px;
  margin: 24px 0 20px;
}

.page-privacy .right-item {
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--slate);
  overflow: hidden;
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .right-item[open] {
  border-color: rgba(47, 217, 201, 0.45);
}

.page-privacy .right-item summary {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 16px 20px;
  cursor: pointer;
  list-style: none;
  color: var(--bone);
}

.page-privacy .right-item summary::-webkit-details-marker {
  display: none;
}

.page-privacy .right-item summary:hover {
  background: rgba(47, 217, 201, 0.06);
}

.page-privacy .right-idx {
  flex: none;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: rgba(47, 217, 201, 0.14);
  color: var(--cyan);
  font-family: var(--font-display);
  font-size: 14px;
  font-weight: 700;
}

.page-privacy .right-name {
  flex: 1 1 auto;
  font-family: var(--font-head);
  font-size: 18px;
  font-weight: 700;
}

.page-privacy .right-arrow {
  flex: none;
  width: 10px;
  height: 10px;
  border-right: 2px solid var(--mist);
  border-bottom: 2px solid var(--mist);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-privacy .right-item[open] .right-arrow {
  transform: rotate(-135deg);
  border-color: var(--cyan);
}

.page-privacy .right-body {
  padding: 0 20px 20px 60px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .right-body p {
  font-size: 15.5px;
  line-height: 1.8;
  margin: 16px 0 0;
}

.page-privacy .right-need {
  color: var(--mist) !important;
  font-size: 14px !important;
}

.page-privacy .rights-tail {
  margin: 0 !important;
}

/* ===== 联系 ===== */
.page-privacy .contact-facts {
  margin: 26px 0 8px;
  border-radius: var(--r-md);
  border: 1px solid var(--line);
  overflow: hidden;
  max-width: 560px;
}

.page-privacy .contact-fact {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 20px;
  padding: 15px 22px;
  background: var(--slate);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .contact-fact:last-child {
  border-bottom: 0;
}

.page-privacy .contact-fact-key {
  flex: 0 0 84px;
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--mist);
}

.page-privacy .contact-fact-val {
  flex: 1 1 220px;
  font-size: 15.5px;
  color: var(--bone);
  word-break: break-word;
}

.page-privacy .privacy-close {
  margin-top: 26px !important;
  padding-top: 20px;
  border-top: 1px solid var(--line);
  color: var(--mist) !important;
  font-size: 15px !important;
}

/* ===== 键盘焦点 ===== */
.page-privacy a:focus-visible,
.page-privacy summary:focus-visible,
.page-privacy details:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
  border-radius: var(--r-sm);
}

/* ===== 响应式 ===== */
@media (min-width: 700px) {
  .page-privacy .use-grid {
    grid-template-columns: repeat(3, 1fr);
  }

  .page-privacy .retain-strip {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (min-width: 1000px) {
  .page-privacy .privacy-hero {
    padding-top: 72px;
    padding-bottom: 88px;
  }

  .page-privacy .privacy-hero-grid {
    grid-template-columns: 7fr 5fr;
    gap: 56px;
    align-items: center;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 72px;
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 112px;
  }

  .page-privacy .privacy-articles {
    gap: 88px;
  }

  .page-privacy .privacy-hero-media figcaption {
    left: 20px;
    right: auto;
    max-width: 380px;
    bottom: 20px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy * {
    transition-duration: 1ms !important;
  }

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