.page-privacy {
  --privacy-measure: 720px;
  --privacy-rail: 108px;
  --privacy-gap: 72px;
}

.page-privacy .privacy-hero {
  padding-block-start: 34px;
}

.page-privacy .privacy-hero__inner {
  max-width: 780px;
}

.page-privacy .privacy-hero__inner .index-label {
  display: block;
  color: var(--lilac);
}

.page-privacy .privacy-hero__inner .h1 {
  margin: 14px 0 0;
  font-weight: 900;
  letter-spacing: -0.02em;
  line-height: 1.16;
}

.page-privacy .privacy-hero__inner .lead {
  margin: 18px 0 0;
  max-width: 640px;
  color: var(--text-2);
}

.page-privacy .privacy-banner {
  margin-top: 34px;
  border: 1px solid var(--line);
  overflow: hidden;
  background: var(--panel);
}

.page-privacy .privacy-banner .media__img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

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

.page-privacy .privacy-doc {
  max-width: var(--privacy-measure);
  min-width: 0;
}

.page-privacy .privacy-rail {
  display: none;
}

/* ---------- 章节 ---------- */

.page-privacy .privacy-sec {
  padding-block: 40px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 124px;
}

.page-privacy .privacy-sec:first-child {
  padding-block-start: 6px;
  border-top: 0;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 18px;
}

.page-privacy .privacy-sec__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  font-variant-numeric: tabular-nums;
  color: var(--cyan);
}

.page-privacy .privacy-sec__head .h2 {
  margin: 0;
  font-weight: 700;
  letter-spacing: -0.01em;
  line-height: 1.35;
}

.page-privacy .privacy-doc p {
  margin: 0 0 1em;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-2);
}

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

.page-privacy .privacy-doc a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-deep);
  transition: border-color 200ms var(--ease);
}

.page-privacy .privacy-doc a:hover,
.page-privacy .privacy-doc a:focus-visible {
  border-bottom-color: var(--cyan);
}

/* ---------- 列表 ---------- */

.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 1em;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-2);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 7px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .privacy-term {
  color: var(--text);
  font-weight: 500;
  border-bottom: 1px dashed var(--line);
  padding-bottom: 1px;
}

/* ---------- 旁注 ---------- */

.page-privacy .privacy-note {
  margin-top: 22px;
  padding: 16px 20px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  background: var(--panel);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-2);
}

/* ---------- 章节刻度线 ---------- */

.page-privacy .privacy-rail__title {
  display: block;
  margin-bottom: 14px;
  color: var(--lilac);
}

.page-privacy .privacy-rail__item {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 0;
  text-decoration: none;
  color: var(--text-2);
  font-size: 12px;
  line-height: 1.4;
  transition: color 200ms var(--ease);
}

.page-privacy .privacy-rail__item::before {
  content: "";
  flex: none;
  width: 14px;
  height: 1px;
  background: var(--line);
  transform: translateY(-3px);
  transition: width 220ms var(--ease), background-color 220ms var(--ease);
}

.page-privacy .privacy-rail__item:hover,
.page-privacy .privacy-rail__item:focus-visible {
  color: var(--text);
}

.page-privacy .privacy-rail__item[aria-current="true"],
.page-privacy .privacy-rail__item.is-active {
  color: var(--cyan);
}

.page-privacy .privacy-rail__item[aria-current="true"]::before,
.page-privacy .privacy-rail__item.is-active::before {
  width: 24px;
  background: var(--cyan);
}

.page-privacy .privacy-rail__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  font-variant-numeric: tabular-nums;
  color: inherit;
}

/* ---------- 桌面：窄栏长文加右侧刻度线 ---------- */

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, var(--privacy-measure)) var(--privacy-rail);
    gap: var(--privacy-gap);
    justify-content: center;
    align-items: start;
  }

  .page-privacy .privacy-rail {
    display: block;
    position: sticky;
    top: 132px;
    padding-left: 20px;
    border-left: 1px solid var(--line);
  }
}

@media (max-width: 959px) {
  .page-privacy .privacy-doc {
    max-width: 100%;
  }

  .page-privacy .privacy-sec {
    padding-block: 32px;
    scroll-margin-top: 96px;
  }

  .page-privacy .privacy-sec__head {
    gap: 10px;
  }

  .page-privacy .privacy-hero__inner .h1 {
    font-size: 30px;
    line-height: 1.25;
  }

  .page-privacy .privacy-banner {
    margin-top: 26px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__item,
  .page-privacy .privacy-rail__item::before,
  .page-privacy .privacy-doc a {
    transition: none;
  }
}