.page-privacy {
  --prv-measure: 640px;
  --prv-toc-w: 224px;
  padding-bottom: 72px;
  background: var(--paper);
}

/* ---------- 面包屑 ---------- */
.page-privacy .crumb {
  margin-top: 20px;
}

/* ---------- 首屏 ---------- */
.page-privacy .prv-hero {
  display: grid;
  gap: 28px;
  margin-top: 22px;
  padding-bottom: 40px;
  border-bottom: 1px solid var(--rule);
}

.page-privacy .prv-hero__text h1 {
  margin: 10px 0 18px;
  font-size: clamp(28px, 6vw, 44px);
  line-height: 1.16;
  letter-spacing: -0.01em;
}

.page-privacy .prv-hero__text .lead {
  max-width: 46ch;
  color: var(--muted);
  font-size: 17px;
}

.page-privacy .prv-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--hair);
  border-radius: 2px;
  background: var(--paper-2);
  box-shadow: 10px 10px 0 var(--paper-2), 10px 10px 0 1px var(--hair);
}

.page-privacy .prv-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  border-radius: 2px;
}

@media (min-width: 900px) {
  .page-privacy .prv-hero {
    grid-template-columns: minmax(0, 1fr) minmax(0, 1.05fr);
    align-items: center;
    gap: 56px;
    padding-bottom: 56px;
  }
}

/* ---------- 目录 + 正文 布局 ---------- */
.page-privacy .prv-doc {
  display: grid;
  gap: 36px;
  margin-top: 44px;
}

@media (min-width: 1024px) {
  .page-privacy .prv-doc {
    grid-template-columns: var(--prv-toc-w) minmax(0, 1fr);
    gap: 64px;
    margin-top: 60px;
  }
}

/* ---------- 吸附目录 ---------- */
.page-privacy .prv-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .prv-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-left: 1px solid var(--rule);
}

.page-privacy .prv-toc__list li + li {
  margin-top: 2px;
}

.page-privacy .prv-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  margin-left: -1px;
  padding: 9px 10px 9px 14px;
  border-left: 2px solid transparent;
  color: var(--muted);
  font-size: 14px;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--t-fast) linear, border-color var(--t-fast) linear,
    background-color var(--t-fast) linear;
}

.page-privacy .prv-toc__list a:hover,
.page-privacy .prv-toc__list a:focus-visible {
  color: var(--ink);
  border-left-color: var(--turf);
  background: var(--paper-2);
}

.page-privacy .prv-toc__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--night-bright);
  letter-spacing: 0.02em;
}

@media (min-width: 1024px) {
  .page-privacy .prv-toc {
    position: sticky;
    top: 96px;
    align-self: start;
  }
}

/* ---------- 正文栏 ---------- */
.page-privacy .prv-body {
  max-width: var(--prv-measure);
}

.page-privacy .prv-sec {
  padding-top: 34px;
  border-top: 1px solid var(--rule);
}

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

.page-privacy .prv-sec + .prv-sec {
  margin-top: 46px;
}

.page-privacy .prv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--hair);
}

.page-privacy .prv-sec__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(26px, 5vw, 38px);
  font-weight: 700;
  line-height: 1;
  color: var(--night);
  letter-spacing: 0.01em;
}

.page-privacy .prv-sec__head h2 {
  margin: 0;
  font-size: clamp(20px, 3.6vw, 27px);
  line-height: 1.25;
}

.page-privacy .prv-sec h3 {
  margin: 26px 0 8px;
  font-size: 17px;
  font-weight: 700;
  line-height: 1.5;
  color: var(--ink);
}

.page-privacy .prv-sec h3 + p {
  margin-top: 0;
}

.page-privacy .prv-sec p {
  margin: 0 0 1.2em;
  color: var(--ink);
}

.page-privacy .prv-sec p:last-child {
  margin-bottom: 0;
}

/* 章节被定位到时给出明确反馈 */
.page-privacy .prv-sec:target .prv-sec__num {
  color: var(--turf-deep);
  background: var(--ref-yellow);
  padding: 0 6px;
}

.page-privacy .prv-sec:target .prv-sec__head {
  border-bottom-color: var(--turf);
}

/* ---------- 旁注 ---------- */
.page-privacy .prv-side {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 10px;
  margin: 22px 0 0;
  padding: 12px 0 12px 16px;
  border-left: 3px solid var(--turf);
  font-size: 13px;
  line-height: 1.65;
  color: var(--muted);
}

.page-privacy .prv-side__key {
  flex: 0 0 auto;
  padding: 1px 6px;
  border: 1px solid var(--night-bright);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--night-bright);
  white-space: nowrap;
}

/* ---------- 用途列表 ---------- */
.page-privacy .prv-uses {
  list-style: none;
  margin: 24px 0 0;
  padding: 0;
}

.page-privacy .prv-uses li {
  position: relative;
  padding: 16px 0;
  border-top: 1px solid var(--rule);
  color: var(--ink);
}

.page-privacy .prv-uses li:last-child {
  border-bottom: 1px solid var(--rule);
}

.page-privacy .prv-uses__key {
  display: block;
  margin-bottom: 6px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--night);
}

@media (min-width: 620px) {
  .page-privacy .prv-uses li {
    padding: 16px 0 16px 96px;
  }
  .page-privacy .prv-uses__key {
    position: absolute;
    left: 0;
    top: 17px;
    margin-bottom: 0;
  }
}

/* ---------- 选择权列表 ---------- */
.page-privacy .prv-choices {
  list-style: none;
  margin: 20px 0 28px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .prv-choices li {
  position: relative;
  padding-left: 18px;
  color: var(--ink);
}

.page-privacy .prv-choices li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 8px;
  height: 2px;
  background: var(--turf);
}

.page-privacy .prv-choices strong {
  margin-right: 6px;
  font-weight: 700;
  color: var(--turf-deep);
}

/* ---------- 联系方式块 ---------- */
.page-privacy .prv-contact {
  margin-top: 30px;
  padding: 24px 20px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--paper-2);
  box-shadow: 6px 6px 0 rgba(15, 17, 21, 0.06);
}

.page-privacy .prv-contact__lead {
  margin: 0 0 18px;
  font-size: 15px;
  color: var(--ink);
}

.page-privacy .prv-contact__list {
  margin: 0;
  padding: 0;
}

.page-privacy .prv-contact__row {
  display: grid;
  gap: 2px;
  padding: 10px 0;
  border-top: 1px solid var(--hair);
}

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

.page-privacy .prv-contact__row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--muted);
}

.page-privacy .prv-contact__row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.6;
  color: var(--ink);
  word-break: break-word;
}

.page-privacy .prv-contact__row dd a {
  color: var(--night-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .prv-contact__note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .prv-contact__links {
  margin: 14px 0 0;
  font-size: 14px;
}

.page-privacy .prv-contact__links a {
  color: var(--night-bright);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .prv-contact__dot {
  margin: 0 8px;
  color: var(--muted);
}

@media (min-width: 620px) {
  .page-privacy .prv-contact {
    padding: 28px 28px;
  }
  .page-privacy .prv-contact__row {
    grid-template-columns: 96px minmax(0, 1fr);
    gap: 12px;
    align-items: baseline;
  }
}

/* ---------- 焦点可见性 ---------- */
.page-privacy a:focus-visible {
  outline: 3px solid var(--night-bright);
  outline-offset: 2px;
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-toc__list a {
    transition: none;
  }
}
</main>