.page-privacy {
  --pv-measure: 64ch;
  --pv-rail: 190px;
  background: var(--paper);
  color: var(--ink);
}

/* 顶部氛围图 */
.page-privacy .privacy-hero {
  background: var(--ink);
}

.page-privacy .privacy-hero-media {
  margin: 0;
  display: block;
}

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

.page-privacy .privacy-hero-strip {
  list-style: none;
  margin: 0;
  padding: 14px var(--pad-x) 16px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 32px;
  border-top: 1px solid rgba(185, 198, 187, 0.22);
}

.page-privacy .privacy-hero-strip li {
  display: flex;
  align-items: baseline;
  gap: 8px;
}

.page-privacy .strip-key {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--mist);
  opacity: 0.72;
}

.page-privacy .strip-val {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--paper);
}

/* 标题区 */
.page-privacy .privacy-intro {
  padding: clamp(34px, 6vw, 86px) 0 clamp(22px, 3vw, 38px);
}

.page-privacy .privacy-intro h1 {
  font-family: var(--font-display);
  font-weight: 250;
  font-size: clamp(30px, 5.2vw, 64px);
  line-height: 1.08;
  letter-spacing: -0.02em;
  margin: 12px 0 0;
  max-width: 22ch;
}

.page-privacy .privacy-lede {
  font-family: var(--font-body);
  font-size: clamp(16px, 1.2vw, 18px);
  line-height: 1.95;
  max-width: 58ch;
  margin: 20px 0 0;
}

.page-privacy .privacy-meta {
  margin: clamp(26px, 3.4vw, 42px) 0 0;
  padding-top: 16px;
  border-top: 1px solid var(--hairline-soft);
  display: grid;
  gap: 12px 28px;
  grid-template-columns: repeat(auto-fit, minmax(152px, 1fr));
}

.page-privacy .privacy-meta div {
  display: flex;
  flex-direction: column;
  gap: 5px;
}

.page-privacy .privacy-meta dt {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--scale);
}

.page-privacy .privacy-meta dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--ink);
}

/* 主体：章节轨道 + 单栏正文 */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 44px);
  padding: clamp(18px, 3vw, 34px) 0 clamp(48px, 7vw, 96px);
}

.page-privacy .privacy-rail {
  border-top: 2px solid var(--ink);
  padding-top: 14px;
}

.page-privacy .rail-key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--scale);
}

.page-privacy .rail-list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 8px;
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .rail-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  text-decoration: none;
  color: var(--scale);
  font-family: var(--font-body);
  font-size: 14px;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  transition: color var(--speed) ease, border-color var(--speed) ease;
}

.page-privacy .rail-link:hover {
  color: var(--ink);
}

.page-privacy .rail-link:focus-visible {
  outline: 2px solid var(--turf);
  outline-offset: 3px;
  color: var(--ink);
}

.page-privacy .rail-num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--grid);
  opacity: 0.8;
}

/* 章节 */
.page-privacy .clause {
  display: grid;
  grid-template-columns: 38px minmax(0, 1fr);
  gap: 4px clamp(12px, 2.2vw, 28px);
  padding: clamp(28px, 4vw, 52px) 0;
  border-top: 1px solid var(--hairline-soft);
  scroll-margin-top: 96px;
}

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

.page-privacy .clause-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--grid);
  opacity: 0.68;
}

.page-privacy .clause:target .clause-num {
  color: var(--turf);
  opacity: 1;
}

.page-privacy .clause:target .clause-title {
  box-shadow: inset 0 -1px 0 var(--turf);
}

.page-privacy .clause-kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--scale);
}

.page-privacy .clause-title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.2vw, 27px);
  line-height: 1.34;
  letter-spacing: -0.01em;
  margin: 7px 0 0;
}

.page-privacy .clause-text {
  margin-top: 16px;
}

.page-privacy .clause-text p {
  font-family: var(--font-body);
  font-size: clamp(15.5px, 1.1vw, 17px);
  line-height: 1.95;
  margin: 0 0 1.05em;
  max-width: var(--pv-measure);
}

.page-privacy .clause-text h3 {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15.5px;
  letter-spacing: 0.01em;
  margin: 1.6em 0 0.5em;
  color: var(--ink);
}

.page-privacy .clause-text h3:first-child {
  margin-top: 0;
}

.page-privacy .clause-text ul {
  margin: 0 0 1.15em;
  padding: 0;
  list-style: none;
  max-width: var(--pv-measure);
}

.page-privacy .clause-text ul li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 0.62em;
  font-family: var(--font-body);
  font-size: clamp(15.5px, 1.1vw, 17px);
  line-height: 1.9;
}

.page-privacy .clause-text ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.95em;
  width: 12px;
  height: 1px;
  background: var(--grid);
  opacity: 0.6;
}

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

.page-privacy .clause-text a {
  color: var(--turf);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .clause-note {
  margin-top: 18px;
  padding: 2px 0 2px 16px;
  border-left: 2px solid var(--mist);
  font-family: var(--font-body);
  font-size: 13.5px;
  line-height: 1.85;
  color: var(--scale);
  max-width: 52ch;
}

.page-privacy .clause-note a {
  color: var(--scale);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .clause-note a:hover {
  color: var(--turf);
}

/* 留存周期列表 */
.page-privacy .retention {
  margin: 20px 0 22px;
  max-width: var(--pv-measure);
}

.page-privacy .retention-row {
  display: grid;
  gap: 4px 28px;
  padding: 14px 0;
  border-top: 1px solid var(--hairline-soft);
}

.page-privacy .retention-row:last-child {
  border-bottom: 1px solid var(--hairline-soft);
}

.page-privacy .retention-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--ink);
}

.page-privacy .retention-row dd {
  margin: 0;
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.85;
  color: var(--scale);
}

/* 内联信息流示意 */
.page-privacy .flow-figure {
  margin: 26px 0 4px;
}

.page-privacy .flow-svg {
  display: block;
  width: 100%;
  max-width: 540px;
  height: auto;
}

.page-privacy .flow-svg .flow-line path,
.page-privacy .flow-svg .flow-line rect {
  fill: none;
  stroke: var(--hairline);
  stroke-width: 1;
}

.page-privacy .flow-svg .flow-dot {
  fill: var(--turf);
  stroke: none;
}

.page-privacy .flow-svg .flow-edge {
  stroke: var(--signal);
  stroke-width: 1;
  stroke-dasharray: 5 5;
}

.page-privacy .flow-svg text {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 1.4px;
  fill: var(--scale);
}

.page-privacy .flow-caption {
  margin: 14px 0 0;
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.8;
  color: var(--scale);
  max-width: 52ch;
}

/* 相关页面 */
.page-privacy .privacy-related {
  display: grid;
  gap: 0;
  border-top: 2px solid var(--ink);
  margin-top: clamp(18px, 3vw, 36px);
}

.page-privacy .related-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 18px 0;
  border-bottom: 1px solid var(--hairline-soft);
  text-decoration: none;
  color: var(--ink);
  font-family: var(--font-body);
  font-size: 14.5px;
  line-height: 1.6;
  transition: color var(--speed) ease;
}

.page-privacy .related-link::after {
  content: "\2192";
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--scale);
}

.page-privacy .related-link:hover,
.page-privacy .related-link:focus-visible {
  color: var(--turf);
}

.page-privacy .related-link:focus-visible {
  outline: 2px solid var(--turf);
  outline-offset: 3px;
}

/* 桌面：轨道吸附 + 三栏宽体版式 */
@media (min-width: 700px) {
  .page-privacy .clause {
    grid-template-columns: 56px minmax(0, 1fr);
  }

  .page-privacy .retention-row {
    grid-template-columns: minmax(150px, 200px) minmax(0, 1fr);
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-hero-media img {
    height: 56vh;
    object-fit: cover;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    gap: clamp(40px, 5vw, 92px);
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 104px;
    align-self: start;
  }

  .page-privacy .rail-list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .rail-link {
    white-space: normal;
    border-bottom: 1px solid var(--hairline-soft);
  }

  .page-privacy .rail-link:hover {
    border-bottom-color: var(--ink);
  }

  .page-privacy .privacy-related {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-privacy .related-link {
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    padding: 22px 20px;
    border-bottom: 0;
    border-right: 1px solid var(--hairline-soft);
  }

  .page-privacy .related-link:last-child {
    border-right: 0;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .rail-link,
  .page-privacy .related-link {
    transition: none;
  }
}

@media print {
  .page-privacy .privacy-hero-media,
  .page-privacy .privacy-rail,
  .page-privacy .privacy-related {
    display: none;
  }

  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr);
    gap: 0;
    padding: 0;
  }

  .page-privacy .clause {
    break-inside: avoid;
    page-break-inside: avoid;
  }
}