.page-privacy {
  color: var(--white);
  position: relative;
}

/* 顶部阅读进度 */
.page-privacy .privacy-progress {
  position: fixed;
  top: var(--head-h);
  left: 0;
  right: 0;
  height: 2px;
  z-index: 55;
  background: rgba(157, 179, 170, .14);
  pointer-events: none;
}
.page-privacy .privacy-progress__fill {
  display: block;
  height: 100%;
  width: 100%;
  transform: scaleX(0);
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--flame), var(--sand) 62%, var(--blue));
  transition: transform .1s linear;
}

/* 顶部窄幅装饰 */
.page-privacy .privacy-banner {
  position: relative;
  margin: 0;
  height: clamp(170px, 32vw, 330px);
  overflow: hidden;
  background: var(--ink-900);
}
.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .58;
}
.page-privacy .privacy-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(160deg, rgba(5, 19, 15, .15) 0%, rgba(11, 43, 34, .78) 58%, var(--ink-800) 100%);
  pointer-events: none;
}

/* 面包屑 */
.page-privacy .breadcrumb {
  margin-top: clamp(16px, 3vw, 28px);
}

/* 首屏 */
.page-privacy .privacy-hero {
  padding-top: clamp(22px, 3.5vw, 40px);
  padding-bottom: clamp(28px, 5vw, 56px);
}
.page-privacy .privacy-hero h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-weight: 300;
  letter-spacing: .005em;
  line-height: 1.12;
  font-size: clamp(32px, 6vw, 62px);
}
.page-privacy .privacy-hero__lede {
  max-width: 36em;
  margin: 22px 0 0;
  color: var(--mist);
  font-size: 17px;
  line-height: 1.9;
}
.page-privacy .privacy-hero__facts {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 18px 26px;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding-top: clamp(20px, 3vw, 30px);
  border-top: 1px solid var(--line);
}
.page-privacy .privacy-hero__fact dt {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: clamp(24px, 3.4vw, 34px);
  letter-spacing: .02em;
  color: var(--sand);
  line-height: 1.1;
}
.page-privacy .privacy-hero__fact dd {
  margin: 8px 0 0;
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--mist);
}

/* 主体布局 */
.page-privacy .privacy-layout {
  display: grid;
  gap: 26px;
  padding-bottom: clamp(60px, 9vw, 120px);
}

/* 章节索引 */
.page-privacy .privacy-index__list {
  list-style: none;
  margin: 12px 0 0;
  padding: 0 0 4px;
  display: flex;
  gap: 18px;
  overflow-x: auto;
  scrollbar-width: thin;
}
.page-privacy .privacy-index__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 7px 0 7px 11px;
  border-left: 2px solid transparent;
  color: var(--mist);
  text-decoration: none;
  font-size: 13px;
  letter-spacing: .06em;
  line-height: 1.4;
  white-space: nowrap;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}
.page-privacy .privacy-index__no {
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--flame-soft);
}
.page-privacy .privacy-index__list a:hover,
.page-privacy .privacy-index__list a:focus-visible,
.page-privacy .privacy-index__list a.is-active {
  color: var(--white);
  border-left-color: var(--flame);
}
.page-privacy .privacy-index__list a.is-active .privacy-index__no {
  color: var(--flame);
}

/* 正文 */
.page-privacy .privacy-body {
  max-width: 42em;
}
.page-privacy .privacy-sec {
  padding: clamp(30px, 4.4vw, 48px) 0;
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--head-h) + 28px);
}
.page-privacy .privacy-sec:first-child {
  border-top: 0;
  padding-top: 0;
}
.page-privacy .privacy-sec__title {
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 1.6vw, 18px);
  margin: 0 0 18px;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: clamp(21px, 2.5vw, 26px);
  line-height: 1.35;
  letter-spacing: .01em;
  color: var(--white);
}
.page-privacy .privacy-sec__no {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-weight: 700;
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  letter-spacing: .1em;
  color: var(--flame);
}
.page-privacy .privacy-sec p {
  margin: 0 0 1.2em;
  font-size: 16.5px;
  line-height: 1.9;
  color: rgba(244, 247, 245, .84);
}
.page-privacy .privacy-sec p:last-child {
  margin-bottom: 0;
}
.page-privacy .privacy-body a {
  color: var(--flame-soft);
  text-decoration: underline;
  text-decoration-color: rgba(255, 144, 87, .38);
  text-underline-offset: 3px;
  transition: color .2s var(--ease), text-decoration-color .2s var(--ease);
}
.page-privacy .privacy-body a:hover,
.page-privacy .privacy-body a:focus-visible {
  color: var(--white);
  text-decoration-color: var(--flame);
}
.page-privacy .privacy-mail {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--sand);
  word-break: break-all;
}

/* 强调块 */
.page-privacy .privacy-note {
  margin: 22px 0;
  padding: 18px 20px 18px 22px;
  background: rgba(30, 86, 67, .34);
  border-left: 3px solid var(--flame);
  border-radius: 0 6px 6px 0;
  font-size: 16px;
  line-height: 1.85;
  color: var(--white);
}

/* 用途与期限清单 */
.page-privacy .privacy-list {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}
.page-privacy .privacy-list li {
  display: grid;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--line);
}
.page-privacy .privacy-list li:first-child {
  border-top: 1px solid var(--line);
}
.page-privacy .privacy-list__k {
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--sand);
}
.page-privacy .privacy-list__v {
  font-size: 16px;
  line-height: 1.8;
  color: rgba(244, 247, 245, .84);
}

/* 结尾动作 */
.page-privacy .privacy-cta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 16px;
  margin-top: 30px;
}

/* 平板及以上 */
@media (min-width: 980px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 214px;
    gap: clamp(40px, 6vw, 86px);
    align-items: start;
  }
  .page-privacy .privacy-body {
    grid-column: 1;
    grid-row: 1;
  }
  .page-privacy .privacy-index {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--head-h) + 30px);
  }
  .page-privacy .privacy-index__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }
  .page-privacy .privacy-index__list a {
    white-space: normal;
  }
}

/* 大屏留白 */
@media (min-width: 1240px) {
  .page-privacy .privacy-hero__lede {
    font-size: 17.5px;
  }
  .page-privacy .privacy-sec p {
    font-size: 17px;
  }
}

/* 减少动效 */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-progress__fill {
    transition: none;
  }
  .page-privacy .privacy-index__list a,
  .page-privacy .privacy-body a {
    transition: none;
  }
}