.page-privacy {
  --doc-measure: 68ch;
  --doc-shadow: 6px 6px 0 #161513;
  display: block;
  background: var(--cream);
  color: var(--ink);
  font-family: var(--font-sans);
  padding-bottom: 72px;
}

.page-privacy .crumbs {
  padding-top: 26px;
}

/* ---------- 导入区 ---------- */
.page-privacy .doc-hero {
  padding: 30px 0 34px;
  border-bottom: 2px solid var(--ink);
}

.page-privacy .doc-kicker {
  margin: 0 0 16px;
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--slate);
}

.page-privacy .doc-title {
  margin: 0 0 26px;
  max-width: 640px;
  font-size: clamp(2rem, 7.4vw, 4.1rem);
  font-weight: 900;
  line-height: 1.05;
  letter-spacing: -0.03em;
}

.page-privacy .doc-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 26px;
}

.page-privacy .doc-lead {
  margin: 0;
  max-width: 42em;
  font-size: 17px;
  line-height: 1.8;
}

.page-privacy .doc-meta {
  margin: 0;
  display: grid;
  gap: 13px;
  border-top: 1.5px solid var(--ink);
  padding-top: 16px;
}

.page-privacy .doc-meta__item {
  display: grid;
  grid-template-columns: 92px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-privacy .doc-meta dt {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--slate);
}

.page-privacy .doc-meta dd {
  margin: 0;
  font-size: 14.5px;
  font-weight: 500;
  line-height: 1.55;
}

/* ---------- 开篇窄幅图 ---------- */
.page-privacy .doc-figure {
  margin: 0 0 54px;
  border: 2px solid var(--ink);
  box-shadow: var(--doc-shadow);
  background: var(--sand);
}

.page-privacy .doc-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

/* ---------- 读本骨架 ---------- */
.page-privacy .doc-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
}

.page-privacy .doc-rail {
  position: sticky;
  top: 0;
  z-index: 4;
  background: var(--cream);
  padding: 6px 0 2px;
  border-bottom: 1.5px solid var(--sand);
}

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

.page-privacy .rail-list::-webkit-scrollbar {
  display: none;
}

.page-privacy .rail-link {
  display: inline-block;
  white-space: nowrap;
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1;
  color: var(--ink);
  text-decoration: none;
  background: var(--cream);
  border: 1.5px solid var(--ink);
  transition: background-color 180ms ease, color 180ms ease, border-color 180ms ease;
}

.page-privacy .rail-link:hover,
.page-privacy .rail-link:focus-visible {
  background: var(--ink);
  color: var(--cream);
  border-color: var(--ink);
}

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

/* ---------- 章节 ---------- */
.page-privacy .doc-sec {
  padding: 36px 0;
  border-top: 1.5px solid var(--sand);
}

.page-privacy .doc-sec:first-of-type {
  padding-top: 10px;
  border-top: 0;
}

.page-privacy .doc-sec--last {
  border-bottom: 1.5px solid var(--sand);
}

.page-privacy .sec-head {
  margin-bottom: 20px;
}

.page-privacy .sec-index {
  display: block;
  margin: 0 0 6px;
  font-family: var(--font-data);
  font-size: 34px;
  font-weight: 200;
  line-height: 1;
  color: var(--sand);
  -webkit-text-stroke: 1.5px var(--ink);
}

.page-privacy .sec-kicker {
  margin: 0 0 8px;
  font-family: var(--font-data);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--moss);
}

.page-privacy .sec-title {
  margin: 0;
  font-size: clamp(1.45rem, 4vw, 2.05rem);
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: -0.02em;
}

.page-privacy .doc-body p {
  margin: 0 0 1.2em;
  font-size: 17px;
  line-height: 1.75;
}

.page-privacy .doc-body h3 {
  margin: 0 0 10px;
  font-size: 16.5px;
  font-weight: 700;
  letter-spacing: -0.01em;
}

/* ---------- 砂纸底纹条款块 ---------- */
.page-privacy .doc-note {
  margin: 0 0 18px;
  padding: 20px 20px 4px;
  background: var(--sand);
  border-left: 6px solid var(--ink);
  transition: background-color 200ms ease, border-left-color 200ms ease;
}

.page-privacy .doc-note:hover {
  background: #D6CAB6;
  border-left-color: var(--flame);
}

.page-privacy .doc-note:last-child {
  margin-bottom: 0;
}

/* ---------- 条目列表 ---------- */
.page-privacy .doc-list {
  margin: 0 0 1.2em;
  padding: 0;
  list-style: none;
}

.page-privacy .doc-list li {
  position: relative;
  margin-bottom: 14px;
  padding-left: 26px;
  font-size: 17px;
  line-height: 1.72;
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.63em;
  width: 10px;
  height: 10px;
  background: var(--cyan);
  border: 1.5px solid var(--ink);
}

.page-privacy .doc-list li strong {
  font-weight: 700;
  color: var(--clay);
}

.page-privacy .doc-list li:last-child {
  margin-bottom: 0;
}

/* ---------- 信息流向示意 ---------- */
.page-privacy .doc-flow {
  margin: 30px 0 0;
  padding: 18px 0 0;
  border-top: 1.5px solid var(--sand);
  overflow-x: auto;
}

.page-privacy .doc-flow svg {
  display: block;
  width: 100%;
  min-width: 480px;
  height: auto;
}

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

.page-privacy .flow-box--accent {
  fill: var(--flame);
}

.page-privacy .flow-line {
  stroke: var(--slate);
  stroke-width: 1.5;
}

.page-privacy .flow-label {
  fill: var(--ink);
  font-family: var(--font-sans);
  font-size: 16px;
  font-weight: 700;
  text-anchor: middle;
}

.page-privacy .doc-flow figcaption {
  margin-top: 14px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--slate);
  min-width: 480px;
}

/* ---------- 联系块 ---------- */
.page-privacy .doc-contact {
  margin-top: 22px;
}

.page-privacy .doc-contact__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 12px 0;
  border-bottom: 1.5px dashed var(--slate);
}

.page-privacy .doc-contact__key {
  font-family: var(--font-data);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--moss);
}

.page-privacy .doc-contact__val {
  font-family: var(--font-data);
  font-size: 16px;
  font-weight: 500;
  line-height: 1.5;
  word-break: break-word;
  font-variant-numeric: tabular-nums;
}

.page-privacy .doc-contact__note {
  margin: 16px 0 0;
  font-size: 15px;
  line-height: 1.7;
}

/* ---------- 相关入口 ---------- */
.page-privacy .doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding-top: 32px;
}

.page-privacy .doc-link {
  display: inline-block;
  padding: 12px 16px;
  font-size: 14px;
  font-weight: 500;
  color: var(--ink);
  text-decoration: none;
  background: var(--cream);
  border: 1.5px solid var(--ink);
  transition: background-color 180ms ease, color 180ms ease, transform 180ms ease;
}

.page-privacy .doc-link:hover,
.page-privacy .doc-link:focus-visible {
  background: var(--flame);
  color: var(--ink);
  transform: translate(-2px, -2px);
}

/* ---------- 桌面 ---------- */
@media (min-width: 700px) {
  .page-privacy .doc-contact__row {
    grid-template-columns: 120px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .doc-hero__grid {
    grid-template-columns: minmax(0, 8fr) minmax(0, 4fr);
    gap: 48px;
    align-items: start;
  }
}

@media (min-width: 1000px) {
  .page-privacy .doc-shell {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 64px;
    align-items: start;
  }

  .page-privacy .doc-rail {
    position: sticky;
    top: 96px;
    border-bottom: 0;
    border-left: 2px solid var(--ink);
    padding: 2px 0;
    max-height: calc(100vh - 140px);
  }

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

  .page-privacy .rail-link {
    display: block;
    width: 100%;
    margin-left: -2px;
    padding: 9px 10px;
    font-size: 13.5px;
    background: transparent;
    border: 0;
    border-left: 4px solid transparent;
  }

  .page-privacy .rail-link:hover,
  .page-privacy .rail-link:focus-visible {
    background: var(--sand);
    color: var(--ink);
    border-left-color: var(--flame);
  }

  .page-privacy .doc-sec {
    padding: 44px 0;
  }

  .page-privacy .doc-note {
    padding: 24px 26px 6px;
  }
}

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

  .page-privacy .doc-link:hover,
  .page-privacy .doc-link:focus-visible {
    transform: none;
  }
}