.page-privacy {
  --pr-read: 38rem;
  --pr-rule: rgba(46, 74, 68, 0.7);
  padding-bottom: 24px;
}

/* 面包屑 */
.page-privacy .fb-crumbs {
  padding-top: 18px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--fb-muted);
}
.page-privacy .fb-crumbs a {
  color: var(--fb-muted);
  text-decoration: none;
}
.page-privacy .fb-crumbs a:hover {
  color: var(--fb-neon);
}

/* 首屏 */
.page-privacy .pr-hero {
  padding-top: clamp(20px, 4vw, 40px);
}
.page-privacy .pr-hero__grid {
  display: grid;
  gap: 18px;
}
.page-privacy .fb-eyebrow {
  font-family: var(--fb-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--fb-clay);
  text-transform: uppercase;
  margin: 0;
  padding-left: 14px;
  position: relative;
}
.page-privacy .fb-eyebrow::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.15em;
  bottom: 0.15em;
  width: 2px;
  background: var(--fb-neon);
}
.page-privacy .pr-h1 {
  margin: 14px 0 0;
  font-size: clamp(40px, 9vw, 72px);
  line-height: 0.94;
  font-weight: 800;
  letter-spacing: -0.02em;
  color: var(--fb-paper);
}
.page-privacy .pr-lede {
  margin: 18px 0 0;
  max-width: var(--pr-read);
  color: var(--fb-muted);
  font-size: 15px;
  line-height: 1.75;
}
.page-privacy .pr-vnote {
  font-family: var(--fb-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--fb-faint);
  writing-mode: horizontal-tb;
  margin: 0;
}

/* 顶部横幅 */
.page-privacy .pr-banner {
  margin-top: clamp(22px, 4vw, 36px);
}
.page-privacy .pr-banner img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  border: 1px solid var(--pr-rule);
  border-radius: 2px;
  filter: saturate(0.5) contrast(1.06);
  opacity: 0.78;
}

/* 章节目录 */
.page-privacy .pr-toc {
  position: sticky;
  top: 0;
  z-index: 6;
  margin-top: clamp(22px, 4vw, 38px);
  background: rgba(11, 18, 16, 0.9);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--pr-rule);
  border-bottom: 1px solid var(--pr-rule);
}
.page-privacy .pr-toc__inner {
  display: flex;
  align-items: center;
  gap: 14px;
  padding-top: 10px;
  padding-bottom: 10px;
}
.page-privacy .pr-toc__title {
  flex: none;
  font-family: var(--fb-mono);
  font-size: 10px;
  letter-spacing: 0.16em;
  color: var(--fb-clay);
}
.page-privacy .pr-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 2px 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}
.page-privacy .pr-toc__list::-webkit-scrollbar {
  display: none;
}
.page-privacy .pr-toc__list a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  white-space: nowrap;
  font-size: 12px;
  color: var(--fb-muted);
  text-decoration: none;
  border: 1px solid transparent;
  border-radius: 2px;
  transition: color var(--fb-dur) var(--fb-ease), border-color var(--fb-dur) var(--fb-ease);
}
.page-privacy .pr-toc__list a:hover,
.page-privacy .pr-toc__list a:focus-visible {
  color: var(--fb-paper);
  border-color: var(--fb-line);
}
.page-privacy .pr-toc__num {
  font-family: var(--fb-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--fb-neon);
}

/* 正文窄栏 */
.page-privacy .pr-body {
  max-width: var(--pr-read);
  margin-inline: auto;
  padding-top: clamp(28px, 5vw, 52px);
  padding-bottom: clamp(56px, 9vw, 104px);
  display: grid;
  gap: clamp(30px, 5vw, 44px);
}

/* 条款折叠组 */
.page-privacy .pr-sec {
  border-top: 1px solid var(--pr-rule);
  padding-top: 18px;
  scroll-margin-top: 92px;
}
.page-privacy .pr-sec > summary {
  display: flex;
  align-items: baseline;
  gap: 12px;
  list-style: none;
  cursor: pointer;
  padding: 4px 0 6px;
}
.page-privacy .pr-sec > summary::-webkit-details-marker {
  display: none;
}
.page-privacy .pr-sec > summary::marker {
  content: "";
}
.page-privacy .pr-sec__num {
  flex: none;
  font-family: var(--fb-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--fb-neon);
  padding-left: 9px;
  border-left: 2px solid var(--fb-neon);
  transition: color var(--fb-dur) var(--fb-ease);
}
.page-privacy .pr-sec__title {
  font-size: clamp(19px, 3.4vw, 25px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--fb-paper);
}
.page-privacy .pr-sec__plus {
  flex: none;
  margin-left: auto;
  align-self: center;
  position: relative;
  width: 14px;
  height: 14px;
}
.page-privacy .pr-sec__plus::before,
.page-privacy .pr-sec__plus::after {
  content: "";
  position: absolute;
  background: var(--fb-muted);
  transition: transform var(--fb-dur) var(--fb-ease), background var(--fb-dur) var(--fb-ease);
}
.page-privacy .pr-sec__plus::before {
  left: 0;
  right: 0;
  top: 6px;
  height: 1px;
}
.page-privacy .pr-sec__plus::after {
  top: 0;
  bottom: 0;
  left: 6px;
  width: 1px;
}
.page-privacy .pr-sec[open] .pr-sec__plus::after {
  transform: scaleY(0);
}
.page-privacy .pr-sec[open] .pr-sec__plus::before {
  background: var(--fb-neon);
}
.page-privacy .pr-sec[open] > summary .pr-sec__title {
  color: var(--fb-paper);
}
.page-privacy .pr-sec__inner {
  padding: 8px 0 4px 21px;
}
.page-privacy .pr-sec__inner p {
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fb-muted);
}
.page-privacy .pr-sec__inner p:last-child {
  margin-bottom: 0;
}
.page-privacy .pr-sec__inner strong {
  color: var(--fb-paper);
  font-weight: 700;
}

/* 列表 */
.page-privacy .pr-list {
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}
.page-privacy .pr-list li {
  position: relative;
  padding-left: 16px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--fb-muted);
}
.page-privacy .pr-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 6px;
  height: 1px;
  background: var(--fb-clay);
}

/* 表格 */
.page-privacy .fb-table-wrap {
  margin: 4px 0 16px;
  overflow-x: auto;
  border: 1px solid var(--pr-rule);
  border-radius: 2px;
  background: var(--fb-glass);
}
.page-privacy .pr-table {
  width: 100%;
  min-width: 480px;
  border-collapse: collapse;
  font-size: 13px;
}
.page-privacy .pr-table__cap {
  caption-side: top;
  text-align: left;
  padding: 10px 14px 8px;
  font-family: var(--fb-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  color: var(--fb-clay);
}
.page-privacy .pr-table th,
.page-privacy .pr-table td {
  padding: 11px 14px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--pr-rule);
}
.page-privacy .pr-table thead th {
  font-family: var(--fb-mono);
  font-size: 10px;
  letter-spacing: 0.1em;
  font-weight: 400;
  color: var(--fb-faint);
  background: rgba(21, 56, 45, 0.5);
}
.page-privacy .pr-table tbody th {
  font-weight: 700;
  color: var(--fb-paper);
  white-space: nowrap;
}
.page-privacy .pr-table td {
  color: var(--fb-muted);
  line-height: 1.7;
}
.page-privacy .pr-table tbody tr:last-child th,
.page-privacy .pr-table tbody tr:last-child td {
  border-bottom: 0;
}

/* 玻璃说明卡 */
.page-privacy .pr-glass {
  margin: 4px 0 16px;
  padding: 14px 16px;
  border: 1px solid var(--fb-line);
  border-left: 2px solid var(--fb-neon);
  border-radius: 2px;
  background: var(--fb-glass);
  -webkit-backdrop-filter: blur(12px);
  backdrop-filter: blur(12px);
}
.page-privacy .pr-glass p {
  margin: 0;
  font-size: 14px;
  line-height: 1.75;
  color: var(--fb-paper);
}

/* 脚注文字 */
.page-privacy .pr-note-text {
  font-family: var(--fb-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.01em;
  color: var(--fb-faint);
}

/* 邮箱复制 */
.page-privacy .pr-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: 4px 0 16px;
  padding: 14px 16px;
  border: 1px dashed var(--fb-line);
  border-radius: 2px;
}
.page-privacy .pr-contact__main {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}
.page-privacy .pr-contact__label {
  font-family: var(--fb-mono);
  font-size: 10px;
  letter-spacing: 0.14em;
  color: var(--fb-clay);
}
.page-privacy .pr-contact__mail {
  font-family: var(--fb-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--fb-paper);
  word-break: break-all;
}
.page-privacy .pr-copy {
  margin-left: auto;
  flex: none;
  padding: 7px 14px;
  font-size: 12px;
  color: var(--fb-neon);
  background: transparent;
  border: 1px solid var(--fb-neon);
  border-radius: 2px;
  cursor: pointer;
  transition: background var(--fb-dur) var(--fb-ease), color var(--fb-dur) var(--fb-ease);
}
.page-privacy .pr-copy:hover,
.page-privacy .pr-copy:focus-visible {
  background: var(--fb-neon);
  color: var(--fb-ink);
}

/* 章末链接 */
.page-privacy .pr-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 18px;
}
.page-privacy .pr-links .fb-btn {
  font-size: 13px;
  padding: 9px 16px;
  text-decoration: none;
  border-radius: 2px;
}
.page-privacy .pr-links .fb-btn--ghost {
  color: var(--fb-paper);
  border: 1px solid var(--fb-line);
  background: transparent;
  transition: border-color var(--fb-dur) var(--fb-ease), color var(--fb-dur) var(--fb-ease);
}
.page-privacy .pr-links .fb-btn--ghost:hover,
.page-privacy .pr-links .fb-btn--ghost:focus-visible {
  border-color: var(--fb-neon);
  color: var(--fb-neon);
}

/* 中等屏幕 */
@media (min-width: 720px) {
  .page-privacy .pr-hero__grid {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: end;
    gap: 24px;
  }
  .page-privacy .pr-contact {
    flex-wrap: nowrap;
  }
  .page-privacy .pr-sec__inner {
    padding-left: 24px;
  }
}

/* 宽屏：保留左侧索引节奏，正文略宽但仍为单栏 */
@media (min-width: 1080px) {
  .page-privacy {
    --pr-read: 42rem;
  }
  .page-privacy .pr-toc__inner {
    padding-top: 12px;
    padding-bottom: 12px;
  }
  .page-privacy .pr-sec > summary {
    gap: 16px;
  }
  .page-privacy .pr-sec__inner {
    padding-left: 28px;
  }
  .page-privacy .pr-banner img {
    max-height: 300px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pr-sec__plus::before,
  .page-privacy .pr-sec__plus::after,
  .page-privacy .pr-copy,
  .page-privacy .pr-links .fb-btn--ghost,
  .page-privacy .pr-toc__list a {
    transition: none;
  }
}