.page-privacy {
  --prv-aside: 200px;
  --prv-measure: 680px;
  --prv-ink-soft: #3B332A;
  --prv-paper-2: #E9E2D2;
  --prv-paper-3: #D6CDB9;

  background: var(--ink);
  color: var(--text);
  overflow-x: hidden;
}

.page-privacy .visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
  border: 0;
}

/* ---------- 首屏 ---------- */

.page-privacy .privacy-hero {
  padding-block: clamp(28px, 5vw, 56px) clamp(26px, 4vw, 46px);
  border-bottom: 2px solid var(--line-soft);
}

.page-privacy .privacy-hero .breadcrumbs {
  margin-bottom: clamp(22px, 3.6vw, 38px);
}

.page-privacy .privacy-hero .section-kicker {
  color: var(--lime);
  display: block;
  margin-bottom: 14px;
}

.page-privacy .privacy-hero h1 {
  font-family: var(--font-display);
  font-weight: 300;
  font-size: clamp(36px, 6.2vw, 74px);
  line-height: 1.04;
  letter-spacing: 0.005em;
  color: var(--paper);
  margin: 0 0 clamp(18px, 2.6vw, 30px);
  max-width: 17ch;
}

.page-privacy .privacy-hero .lede {
  max-width: 62ch;
  color: var(--text);
  font-size: clamp(16px, 1.55vw, 18px);
  line-height: 1.78;
  margin: 0 0 22px;
}

.page-privacy .privacy-hero .index-note {
  display: block;
  max-width: 62ch;
  color: var(--mist);
  border-top: 1px solid var(--line-soft);
  padding-top: 14px;
  margin: 0;
}

/* ---------- 视觉区 ---------- */

.page-privacy .privacy-visual {
  padding-block: clamp(26px, 4vw, 42px) clamp(34px, 5vw, 60px);
}

.page-privacy .media-frame--wide {
  aspect-ratio: 16 / 5;
}

.page-privacy .media-frame--wide img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  max-width: 100%;
  display: block;
}

.page-privacy .privacy-visual .media-caption {
  color: var(--mist);
  margin-top: 14px;
  max-width: 62ch;
}

/* ---------- 条款纸面 ---------- */

.page-privacy .privacy-body {
  padding-block: 0 clamp(38px, 6vw, 76px);
}

.page-privacy .privacy-sheet {
  position: relative;
  background: var(--paper);
  color: var(--noir);
  border: 3px solid var(--noir);
  box-shadow: 10px 10px 0 var(--shadow-block);
  padding: clamp(22px, 4vw, 54px);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 44px);
}

/* ---------- 条款目录 ---------- */

.page-privacy .privacy-toc {
  border-top: 3px solid var(--noir);
  padding-top: 14px;
}

.page-privacy .privacy-toc-label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--mist);
  margin: 0 0 12px;
}

.page-privacy .privacy-toc-list {
  display: flex;
  gap: 8px;
  list-style: none;
  margin: 0;
  padding: 0 0 10px;
  overflow-x: auto;
  scrollbar-width: thin;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-toc-list li {
  flex: 0 0 auto;
}

.page-privacy .privacy-toc-list a {
  display: block;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.04em;
  line-height: 1.3;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  padding: 8px 12px;
  border: 2px solid var(--prv-paper-3);
  transition: color var(--t), border-color var(--t);
}

.page-privacy .privacy-toc-list a:hover,
.page-privacy .privacy-toc-list a:focus-visible {
  color: var(--noir);
  border-color: var(--noir);
  outline: none;
}

/* ---------- 条款条目 ---------- */

.page-privacy .clause {
  padding-block: clamp(26px, 4vw, 42px);
  border-top: 2px solid var(--noir);
  scroll-margin-top: 128px;
}

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

.page-privacy .clause-num {
  display: block;
  font-family: var(--font-mono);
  font-size: 48px;
  line-height: 1;
  letter-spacing: -0.02em;
  font-variant-numeric: tabular-nums;
  color: var(--noir);
  margin-bottom: 10px;
}

.page-privacy .clause-title {
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(20px, 2.4vw, 26px);
  line-height: 1.24;
  letter-spacing: 0.02em;
  color: var(--noir);
  margin: 0 0 18px;
}

.page-privacy .clause-body {
  max-width: var(--prv-measure);
}

.page-privacy .clause-body p {
  font-size: 16.5px;
  line-height: 1.86;
  letter-spacing: 0.012em;
  color: var(--prv-ink-soft);
  margin: 0 0 18px;
}

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

.page-privacy .clause-body ul,
.page-privacy .clause-body ol {
  list-style: none;
  margin: 0 0 20px;
  padding: 0;
}

.page-privacy .clause-body li {
  position: relative;
  padding-left: 28px;
  margin-bottom: 13px;
  font-size: 16.5px;
  line-height: 1.82;
  letter-spacing: 0.012em;
  color: var(--prv-ink-soft);
}

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

.page-privacy .clause-body ul > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 14px;
  height: 2px;
  background: var(--noir);
}

.page-privacy .clause-body strong {
  color: var(--noir);
  font-weight: 600;
}

.page-privacy .clause-body .inline-link {
  color: var(--noir);
  text-decoration: none;
  border-bottom: 2px solid var(--lava);
  padding-bottom: 1px;
  transition: background var(--t), color var(--t);
}

.page-privacy .clause-body .inline-link:hover,
.page-privacy .clause-body .inline-link:focus-visible {
  background: var(--noir);
  color: var(--paper);
  outline: none;
}

/* ---------- 信息流向示意 ---------- */

.page-privacy .privacy-flow {
  margin: 26px 0 0;
  background: var(--ink);
  border: 2px solid var(--noir);
  box-shadow: 6px 6px 0 var(--shadow-block);
  padding: clamp(16px, 2.6vw, 26px);
}

.page-privacy .privacy-flow svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .privacy-flow .flow-box {
  fill: var(--ink-2);
  stroke: var(--mist);
  stroke-width: 1.5;
}

.page-privacy .privacy-flow .flow-box--last {
  stroke: var(--lava);
}

.page-privacy .privacy-flow .flow-label {
  font-family: var(--font-body);
  font-size: 13px;
  fill: var(--text);
}

.page-privacy .privacy-flow .flow-sub {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.06em;
  fill: var(--mist);
}

.page-privacy .privacy-flow .flow-link {
  stroke: var(--cyan);
  stroke-width: 1.5;
  fill: none;
}

.page-privacy .privacy-flow-caption {
  margin: 16px 0 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--mist);
  line-height: 1.6;
}

/* ---------- 修订记录折叠 ---------- */

.page-privacy .clause-details {
  margin-top: 24px;
  border: 2px solid var(--noir);
  background: var(--prv-paper-2);
}

.page-privacy .clause-details > summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 14px 18px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--noir);
  transition: background var(--t), color var(--t);
}

.page-privacy .clause-details > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .clause-details > summary::after {
  content: "+";
  font-family: var(--font-mono);
  font-size: 17px;
  line-height: 1;
  color: var(--noir);
  transition: color var(--t);
}

.page-privacy .clause-details[open] > summary::after {
  content: "–";
}

.page-privacy .clause-details > summary:hover,
.page-privacy .clause-details > summary:focus-visible {
  background: var(--noir);
  color: var(--paper);
  outline: none;
}

.page-privacy .clause-details > summary:hover::after,
.page-privacy .clause-details > summary:focus-visible::after {
  color: var(--lime);
}

.page-privacy .version-list {
  list-style: none;
  margin: 0;
  padding: 4px 18px 18px;
  border-top: 2px solid var(--noir);
}

.page-privacy .version-list li {
  display: grid;
  grid-template-columns: 58px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--prv-ink-soft);
}

.page-privacy .version-list li + li {
  border-top: 1px solid var(--prv-paper-3);
}

.page-privacy .version-tag {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--noir);
  padding-top: 4px;
}

/* ---------- 页尾带 ---------- */

.page-privacy .privacy-foot {
  padding-block: clamp(32px, 5vw, 60px);
  border-top: 2px solid var(--line-soft);
}

.page-privacy .privacy-foot-inner {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: clamp(18px, 3vw, 32px);
}

.page-privacy .privacy-foot p {
  margin: 0;
  max-width: 54ch;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--text);
}

.page-privacy .privacy-foot-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 平板及以上 ---------- */

@media (min-width: 700px) {
  .page-privacy .privacy-toc-list {
    flex-wrap: wrap;
    overflow-x: visible;
  }

  .page-privacy .clause-head {
    display: flex;
    align-items: baseline;
    gap: 20px;
  }

  .page-privacy .clause-num {
    margin-bottom: 0;
    min-width: 76px;
  }

  .page-privacy .clause-title {
    margin-bottom: 0;
  }

  .page-privacy .clause-body {
    margin-top: 20px;
  }

  .page-privacy .clause:first-child .clause-body {
    margin-top: 20px;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--prv-aside) minmax(0, var(--prv-measure));
    gap: clamp(32px, 4vw, 64px);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 126px;
  }

  .page-privacy .privacy-toc-list {
    display: block;
    padding: 0;
  }

  .page-privacy .privacy-toc-list li + li {
    border-top: 1px solid var(--prv-paper-3);
  }

  .page-privacy .privacy-toc-list a {
    border: 0;
    border-left: 2px solid transparent;
    padding: 9px 0 9px 14px;
    white-space: normal;
  }

  .page-privacy .privacy-toc-list a:hover,
  .page-privacy .privacy-toc-list a:focus-visible {
    border-left-color: var(--noir);
    color: var(--noir);
  }

  .page-privacy .privacy-flow {
    max-width: 100%;
  }
}

@media (max-width: 899px) {
  .page-privacy .privacy-flow {
    overflow-x: auto;
    -webkit-overflow-scrolling: touch;
  }

  .page-privacy .privacy-flow svg {
    min-width: 520px;
  }
}

@media (max-width: 520px) {
  .page-privacy .privacy-sheet {
    box-shadow: 6px 6px 0 var(--shadow-block);
  }

  .page-privacy .clause-num {
    font-size: 40px;
  }

  .page-privacy .version-list li {
    grid-template-columns: 48px minmax(0, 1fr);
    gap: 10px;
    font-size: 14.5px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc-list a,
  .page-privacy .clause-details > summary,
  .page-privacy .clause-details > summary::after,
  .page-privacy .clause-body .inline-link {
    transition: none;
  }
}