.page-privacy {
  --pv-num-w: 44px;
  --pv-num-gap: 18px;
  --pv-read: 62ch;
  --pv-ink-soft: #2C3342;
  --pv-hairline: #DCE2EA;
  --pv-shadow-off: 8px;
  display: block;
  overflow-x: clip;
  padding-bottom: clamp(36px, 5vw, 72px);
}

.page-privacy .pv-crumb {
  padding-top: clamp(18px, 2.6vw, 30px);
}

.page-privacy .pv-crumb__sep {
  margin: 0 8px;
  color: var(--muted);
  font-family: var(--font-mono);
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  padding-block: clamp(18px, 2.6vw, 34px) clamp(22px, 3vw, 38px);
  border-bottom: 2px solid var(--line);
}

.page-privacy .pv-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 20px;
}

@media (min-width: 900px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
    gap: clamp(32px, 5vw, 64px);
    align-items: end;
  }
}

.page-privacy .pv-hero__title {
  margin-top: 14px;
  font-family: var(--font-display);
  font-weight: 200;
  font-size: clamp(40px, 6.4vw, 86px);
  line-height: 1;
  letter-spacing: 0.005em;
  color: var(--white);
}

.page-privacy .pv-hero__rule {
  display: block;
  width: 128px;
  height: 3px;
  margin-top: 20px;
  background: linear-gradient(90deg, var(--red) 0%, var(--red) 50%, var(--blue) 50%, var(--blue) 100%);
}

.page-privacy .pv-hero__lede {
  margin: 0;
  max-width: 46ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--muted);
}

/* ---------- 横幅 ---------- */

.page-privacy .pv-banner {
  margin-top: clamp(24px, 3.4vw, 44px);
}

/* ---------- 正文布局 ---------- */

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  padding-top: clamp(28px, 4vw, 52px);
}

@media (min-width: 1000px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, 1fr) 232px;
    gap: clamp(40px, 5vw, 72px);
    align-items: start;
  }
}

.page-privacy .pv-paper {
  background: var(--white);
  color: var(--ink);
  border: 2px solid var(--line);
  box-shadow: var(--pv-shadow-off) var(--pv-shadow-off) 0 var(--line);
  padding: clamp(20px, 3.4vw, 54px);
}

.page-privacy .pv-paper__code {
  display: block;
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--blue-ink);
  padding-bottom: 14px;
  border-bottom: 2px solid var(--ink);
}

/* ---------- 章节 ---------- */

.page-privacy .pv-sec {
  border-top: 1px solid var(--pv-hairline);
  padding-top: clamp(20px, 2.6vw, 30px);
  margin-top: clamp(24px, 3vw, 38px);
}

.page-privacy .pv-sec:first-of-type {
  border-top: 0;
  margin-top: clamp(20px, 2.6vw, 30px);
  padding-top: 0;
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: var(--pv-num-gap);
  cursor: pointer;
  list-style: none;
  padding: 2px 0;
}

.page-privacy .pv-sec__head::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-sec__head:focus-visible {
  outline: 2px solid var(--blue);
  outline-offset: 4px;
}

.page-privacy .pv-sec__num {
  flex: none;
  width: var(--pv-num-w);
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: 0.02em;
  color: var(--blue-ink);
}

.page-privacy .pv-sec__title {
  flex: 1 1 auto;
  font-family: var(--font-body);
  font-size: clamp(19px, 2.1vw, 25px);
  font-weight: 700;
  line-height: 1.42;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-privacy .pv-sec__mark {
  flex: none;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--muted);
  transition: color 0.25s var(--ease);
}

.page-privacy .pv-sec__mark::before {
  content: "–";
}

.page-privacy .pv-sec:not([open]) .pv-sec__mark::before {
  content: "+";
}

.page-privacy .pv-sec__head:hover .pv-sec__mark {
  color: var(--red-ink);
}

.page-privacy .pv-sec__body {
  padding-left: calc(var(--pv-num-w) + var(--pv-num-gap));
  padding-top: 16px;
}

.page-privacy .pv-sec__body p {
  max-width: var(--pv-read);
  font-size: 16px;
  line-height: 1.88;
  color: var(--pv-ink-soft);
}

.page-privacy .pv-sec__body p + p {
  margin-top: 14px;
}

.page-privacy .pv-sec__body a {
  color: var(--blue-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .pv-sec__body a:hover {
  color: var(--red-ink);
}

.page-privacy .pv-key {
  border-left: 2px solid var(--red);
  background: rgba(226, 49, 39, 0.07);
  padding: 12px 16px;
  margin-top: 18px;
  max-width: var(--pv-read);
  font-weight: 500;
  color: var(--ink);
}

.page-privacy .pv-mail {
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--blue-ink);
  word-break: break-all;
}

/* ---------- 列表 ---------- */

.page-privacy .pv-list {
  list-style: none;
  margin-top: 16px;
  max-width: var(--pv-read);
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 24px;
  margin-top: 12px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--pv-ink-soft);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.82em;
  width: 10px;
  height: 2px;
  background: var(--ink);
}

.page-privacy .pv-list strong {
  color: var(--ink);
  font-weight: 700;
}

/* ---------- 保留期限表 ---------- */

.page-privacy .pv-dl {
  margin-top: 18px;
  max-width: calc(var(--pv-read) + 40px);
  border-top: 2px solid var(--ink);
}

.page-privacy .pv-dl__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: 1px solid var(--pv-hairline);
}

@media (min-width: 640px) {
  .page-privacy .pv-dl__row {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }
}

.page-privacy .pv-dl dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--blue-ink);
}

.page-privacy .pv-dl dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pv-ink-soft);
}

.page-privacy .pv-dl dd a {
  color: var(--blue-ink);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pv-dl dd a:hover {
  color: var(--red-ink);
}

/* ---------- 右侧目录 ---------- */

.page-privacy .pv-toc {
  align-self: start;
}

@media (min-width: 1000px) {
  .page-privacy .pv-toc {
    position: sticky;
    top: 96px;
  }
}

.page-privacy .pv-toc__title {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--muted);
  padding-bottom: 10px;
  border-bottom: 2px solid var(--line);
}

.page-privacy .pv-toc__list {
  list-style: none;
  margin-top: 12px;
}

.page-privacy .pv-toc__item + .pv-toc__item {
  margin-top: 1px;
}

.page-privacy .pv-toc__link {
  display: grid;
  grid-template-columns: 2.4em minmax(0, 1fr);
  gap: 10px;
  padding: 9px 10px 9px 12px;
  border-left: 2px solid transparent;
  font-size: 14px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--white);
  border-left-color: var(--red);
  background: rgba(226, 49, 39, 0.08);
  outline: none;
}

.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--gold);
  padding-top: 2px;
}

/* ---------- 底部联系条 ---------- */

.page-privacy .pv-strip {
  margin-top: clamp(40px, 6vw, 76px);
  border-top: 2px solid var(--line);
  border-bottom: 2px solid var(--line);
  background: var(--panel);
}

.page-privacy .pv-strip__inner {
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  padding-block: clamp(22px, 3vw, 34px);
}

@media (min-width: 780px) {
  .page-privacy .pv-strip__inner {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 28px;
  }
  .page-privacy .pv-strip__note {
    grid-column: 1 / -1;
  }
}

.page-privacy .pv-strip__block {
  border-left: 3px solid var(--line);
  padding-left: 14px;
}

.page-privacy .pv-strip__key {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-strip__val {
  display: block;
  margin-top: 7px;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--white);
  word-break: break-all;
}

.page-privacy .pv-strip__note {
  font-size: 14px;
  line-height: 1.78;
  color: var(--muted);
  border-left: 2px solid var(--amber);
  padding-left: 14px;
}

/* ---------- 窄屏与动效降级 ---------- */

@media (max-width: 640px) {
  .page-privacy {
    --pv-num-w: 34px;
    --pv-num-gap: 12px;
    --pv-shadow-off: 4px;
  }
  .page-privacy .pv-sec__body {
    padding-left: 0;
  }
  .page-privacy .pv-hero__title {
    font-size: clamp(34px, 10vw, 48px);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-sec__mark,
  .page-privacy .pv-toc__link {
    transition: none;
  }
}