.page-privacy {
  --pv-radius: 2px;
  --pv-cut: 14px;
  background: var(--void);
  color: var(--cool);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: 26px 0 0;
  overflow: hidden;
}
.page-privacy .privacy-hero__inner {
  position: relative;
}
.page-privacy .privacy-hero .crumbs {
  margin-bottom: 26px;
}
.page-privacy .privacy-hero__kicker {
  margin: 0 0 14px;
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--neon);
}
.page-privacy h1 {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.08;
  letter-spacing: -.02em;
  color: var(--cool);
}
.page-privacy .privacy-hero__lead {
  margin: 20px 0 0;
  max-width: 62ch;
  font-size: clamp(15px, 2.1vw, 17px);
  line-height: 1.8;
  color: var(--graphite);
}
.page-privacy .privacy-flow {
  height: 42px;
  margin: 28px 0 24px;
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background-image: repeating-linear-gradient(90deg, rgba(51, 225, 214, .5) 0 2px, transparent 2px 44px);
  background-size: 44px 100%;
  animation: privacy-flow 7s linear infinite;
}
@keyframes privacy-flow {
  to { background-position: 44px 0; }
}
.page-privacy .privacy-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  background: var(--stand);
  padding: 8px;
}
.page-privacy .privacy-hero__media .media__frame {
  aspect-ratio: 16 / 7;
}
.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.page-privacy .privacy-hero__media .media__caption {
  padding: 9px 2px 2px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .04em;
  color: var(--graphite);
}

/* ---------- 分屏骨架 ---------- */
.page-privacy .privacy-body {
  padding: 40px 0 76px;
}
.page-privacy .privacy-split {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
}
.page-privacy .privacy-rail {
  display: grid;
  gap: 18px;
  align-content: start;
}

/* ---------- 章节索引 ---------- */
.page-privacy .privacy-toc {
  position: relative;
  border: 1px solid var(--line);
  background: var(--stand);
  padding: 16px 16px 14px;
}
.page-privacy .privacy-toc::before {
  content: "";
  position: absolute;
  inset: 0 auto 0 0;
  width: 3px;
  background: linear-gradient(180deg, var(--neon), transparent);
}
.page-privacy .privacy-toc__label {
  margin: 0 0 12px;
  padding-left: 10px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--graphite);
}
.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-privacy .privacy-toc__list li + li {
  margin-top: 2px;
}
.page-privacy .privacy-toc__list a {
  display: block;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  color: var(--cool);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: background .18s ease, border-color .18s ease, color .18s ease;
}
.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  border-left-color: var(--neon);
  background: rgba(51, 225, 214, .09);
  color: var(--neon);
}
.page-privacy .privacy-rail__card {
  padding: 16px;
}
.page-privacy .privacy-rail__text {
  margin: 8px 0 14px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--ink);
}

/* ---------- 长文列 ---------- */
.page-privacy .privacy-doc {
  min-width: 0;
}
.page-privacy .privacy-sec {
  scroll-margin-top: 96px;
  border-top: 1px solid var(--line);
  padding-top: 30px;
}
.page-privacy .privacy-sec:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .privacy-doc .section__index {
  color: var(--amber);
  font-size: 11.5px;
  letter-spacing: .12em;
}
.page-privacy .privacy-doc .section__title {
  margin-top: 10px;
  color: var(--cool);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3.6vw, 31px);
  line-height: 1.25;
  letter-spacing: -.01em;
}
.page-privacy .privacy-doc .section__lead {
  margin-top: 12px;
  color: var(--graphite);
  font-size: 15px;
  line-height: 1.8;
}
.page-privacy .privacy-doc .prose {
  margin-top: 18px;
  max-width: 66ch;
  color: var(--cool);
  font-size: 15.5px;
  line-height: 1.85;
}
.page-privacy .privacy-doc .prose p {
  margin: 0 0 1em;
}
.page-privacy .privacy-doc .prose strong {
  color: var(--cool);
  font-weight: 700;
}
.page-privacy .privacy-doc .prose a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-privacy .privacy-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-privacy .privacy-list li {
  position: relative;
  padding-left: 20px;
  color: var(--cool);
  font-size: 15px;
  line-height: 1.8;
}
.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 8px;
  height: 8px;
  background: var(--neon);
  transform: skewX(-18deg);
}
.page-privacy .privacy-doc abbr[title] {
  border-bottom: 2px solid var(--amber);
  background: rgba(203, 216, 214, .13);
  padding: 0 2px;
  text-decoration: none;
  cursor: help;
}

/* ---------- 用途对照表 ---------- */
.page-privacy .privacy-tablewrap {
  margin-top: 22px;
  border: 1px solid var(--edge);
  background: var(--paper);
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-privacy .privacy-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
  color: var(--ink);
  font-size: 14.5px;
}
.page-privacy .privacy-table__caption {
  caption-side: top;
  padding: 12px 16px;
  text-align: left;
  font-size: 11px;
  letter-spacing: .14em;
  color: #5c5346;
  border-bottom: 1px solid var(--edge);
}
.page-privacy .privacy-table th,
.page-privacy .privacy-table td {
  padding: 13px 16px;
  text-align: left;
  vertical-align: top;
  line-height: 1.75;
  border-bottom: 1px solid var(--edge);
}
.page-privacy .privacy-table thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  background: var(--ink);
  color: var(--paper);
  border-bottom: 0;
}
.page-privacy .privacy-table tbody th {
  width: 32%;
  font-weight: 700;
  color: var(--ink);
  background: rgba(203, 216, 214, .28);
}
.page-privacy .privacy-table tbody tr:last-child th,
.page-privacy .privacy-table tbody tr:last-child td {
  border-bottom: 0;
}
.page-privacy .privacy-table abbr[title] {
  border-bottom: 2px solid var(--flare);
  text-decoration: none;
  cursor: help;
}

/* ---------- 保存与安全面板 ---------- */
.page-privacy .privacy-panel {
  margin-top: 22px;
  border: 1px solid var(--line-strong);
  background: linear-gradient(180deg, var(--stand), #101a2c);
  padding: 6px 20px;
}
.page-privacy .privacy-panel__list {
  margin: 0;
}
.page-privacy .privacy-panel__row {
  padding: 15px 0;
  border-bottom: 1px dashed var(--line);
  display: grid;
  gap: 5px;
}
.page-privacy .privacy-panel__row:last-child {
  border-bottom: 0;
}
.page-privacy .privacy-panel__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--neon);
}
.page-privacy .privacy-panel__row dd {
  margin: 0;
  color: var(--cool);
  font-size: 14.5px;
  line-height: 1.8;
}

/* ---------- 折叠操作组 ---------- */
.page-privacy .privacy-folds {
  margin-top: 22px;
  display: grid;
  gap: 10px;
}
.page-privacy .privacy-folds .fold {
  border: 1px solid var(--line);
  background: rgba(21, 35, 64, .72);
}
.page-privacy .privacy-folds .fold__summary {
  padding: 14px 16px;
  color: var(--cool);
  font-size: 15px;
  font-weight: 600;
  cursor: pointer;
  list-style: none;
}
.page-privacy .privacy-folds .fold__summary::-webkit-details-marker {
  display: none;
}
.page-privacy .privacy-folds .fold__summary::before {
  content: "＋";
  display: inline-block;
  margin-right: 10px;
  font-family: var(--font-mono);
  color: var(--neon);
}
.page-privacy .privacy-folds .fold[open] .fold__summary::before {
  content: "－";
  color: var(--flare);
}
.page-privacy .privacy-folds .fold__summary:hover {
  background: rgba(51, 225, 214, .07);
}
.page-privacy .privacy-folds .fold__body {
  padding: 0 16px 16px 42px;
  color: var(--graphite);
  font-size: 14.5px;
  line-height: 1.85;
}
.page-privacy .privacy-folds .fold__body p {
  margin: 0;
}

/* ---------- 章节小结行 ---------- */
.page-privacy .privacy-note {
  margin: 24px 0 0;
  padding: 10px 14px;
  border-left: 3px solid var(--neon);
  background: linear-gradient(90deg, rgba(51, 225, 214, .13), transparent 72%);
  font-size: 12px;
  letter-spacing: .03em;
  color: var(--cool);
}
.page-privacy .privacy-note a {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 联系卡片 ---------- */
.page-privacy .privacy-contact {
  margin-top: 22px;
  padding: 22px;
  border: 1px solid var(--line-strong);
  position: relative;
}
.page-privacy .privacy-contact::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: var(--pv-cut);
  height: var(--pv-cut);
  background: linear-gradient(45deg, transparent 50%, var(--flare) 50%);
}
.page-privacy .privacy-contact__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-privacy .privacy-contact__list li {
  display: grid;
  gap: 3px;
}
.page-privacy .privacy-contact__key {
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--graphite);
}
.page-privacy .privacy-contact__val {
  color: var(--cool);
  font-size: 15px;
  line-height: 1.6;
  text-decoration: none;
  word-break: break-word;
}
.page-privacy a.privacy-contact__val:hover {
  color: var(--neon);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-privacy .privacy-contact__hint {
  margin: 18px 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--line);
  color: var(--graphite);
  font-size: 13.5px;
  line-height: 1.8;
}
.page-privacy .privacy-contact__actions {
  margin-top: 18px;
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-panel__row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
  .page-privacy .privacy-contact__list li {
    grid-template-columns: 96px minmax(0, 1fr);
    align-items: baseline;
    gap: 12px;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-body {
    padding: 56px 0 96px;
  }
  .page-privacy .privacy-split {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 58px;
    align-items: start;
  }
  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }
  .page-privacy .privacy-toc {
    padding: 20px 18px 18px;
  }
  .page-privacy .privacy-hero {
    padding-top: 34px;
  }
  .page-privacy .privacy-contact {
    padding: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-flow {
    animation: none;
  }
}