.page-privacy {
  --p-rule: rgba(143, 166, 163, .22);
  --p-idx: 240px;
  --p-measure: 40em;
  position: relative;
  background-color: var(--night);
  background-image:
    linear-gradient(var(--grid) 1px, transparent 1px),
    linear-gradient(90deg, var(--grid) 1px, transparent 1px);
  background-size: 72px 72px;
  background-position: -1px -1px;
  color: var(--paper);
  font-family: var(--font-body);
  padding: clamp(22px, 4vw, 44px) 0 clamp(64px, 9vw, 110px);
}

.page-privacy .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}

.page-privacy .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}

.page-privacy .breadcrumb a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* 首屏 */
.privacy-hero {
  margin-top: clamp(14px, 3vw, 28px);
}

.privacy-hero__kicker {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--gold);
}

.privacy-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(2.2rem, 7.4vw, 4.3rem);
  line-height: 1.02;
  letter-spacing: -.03em;
  color: var(--paper);
}

.privacy-hero__lede {
  max-width: 44ch;
  margin: 18px 0 0;
  font-size: clamp(1rem, 2vw, 1.14rem);
  line-height: 1.85;
  color: var(--paper);
}

.privacy-hero__facts {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--p-rule);
}

.privacy-hero__facts li {
  padding: 16px 0 0;
}

.privacy-hero__fact-k {
  display: block;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--mist);
}

.privacy-hero__fact-v {
  display: block;
  margin-top: 8px;
  font-size: .98rem;
  line-height: 1.7;
  color: var(--paper);
}

/* 双栏骨架 */
.privacy-layout {
  display: grid;
  gap: clamp(28px, 4vw, 44px);
  margin-top: clamp(30px, 5vw, 56px);
}

.privacy-body {
  min-width: 0;
}

/* 章节目录 */
.privacy-index {
  border-top: 2px solid var(--cyan);
  padding-top: 14px;
}

.privacy-index__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--mist);
}

.privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 6px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
}

.privacy-index__list li {
  flex: 0 0 auto;
}

.privacy-index__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  border: 1px solid var(--p-rule);
  color: var(--paper);
  text-decoration: none;
  font-size: .9rem;
  white-space: nowrap;
  transition: color .15s ease, border-color .15s ease, background-color .15s ease;
}

.privacy-index__list a:hover {
  color: var(--cyan);
  border-color: var(--cyan);
}

.privacy-index__no {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}

/* 章节 */
.page-privacy .chapter {
  padding: clamp(26px, 4vw, 40px) 0;
  border-top: 1px solid var(--p-rule);
  scroll-margin-top: 110px;
}

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

.page-privacy .chapter__no {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--gold);
}

.page-privacy .chapter__no::after {
  content: "";
  display: block;
  width: 52px;
  height: 1px;
  margin-top: 10px;
  background: var(--gold);
  opacity: .55;
}

.page-privacy .chapter__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.45rem, 3.6vw, 2.1rem);
  line-height: 1.22;
  letter-spacing: -.02em;
  color: var(--paper);
}

.privacy-sum {
  margin: 16px 0 0;
  padding-left: 16px;
  border-left: 2px solid var(--cyan);
  font-size: clamp(1.02rem, 2.1vw, 1.2rem);
  font-weight: 500;
  line-height: 1.75;
  color: var(--paper);
}

.page-privacy .prose {
  max-width: var(--p-measure);
}

.page-privacy .prose p {
  margin: 14px 0 0;
  line-height: 1.85;
  color: var(--paper);
}

.page-privacy .prose a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(41, 231, 206, .45);
}

.page-privacy .prose a:hover {
  border-bottom-color: var(--cyan);
}

/* 条目清单 */
.privacy-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  max-width: var(--p-measure);
}

.privacy-list li {
  position: relative;
  padding-left: 24px;
  line-height: 1.8;
}

.privacy-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .76em;
  width: 8px;
  height: 8px;
  background: var(--cyan);
}

.privacy-list strong {
  color: var(--gold);
  font-weight: 700;
}

/* 说明块 */
.privacy-callout {
  margin: 20px 0 0;
  padding: 18px 20px;
  max-width: var(--p-measure);
  background: var(--green);
  border-left: 3px solid var(--cyan);
}

.privacy-callout--wine {
  background: var(--wine);
  border-left-color: var(--gold);
}

.privacy-callout p {
  margin: 0;
  line-height: 1.8;
  color: var(--paper);
}

/* 折叠补充 */
.privacy-more {
  margin: 18px 0 0;
  max-width: var(--p-measure);
  border: 1px solid var(--p-rule);
}

.privacy-more > summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 12px 16px;
  font-size: .94rem;
  font-weight: 700;
  color: var(--cyan);
}

.privacy-more > summary::-webkit-details-marker {
  display: none;
}

.privacy-more > summary::after {
  content: "展开";
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--mist);
}

.privacy-more[open] > summary::after {
  content: "收起";
  color: var(--gold);
}

.privacy-more > summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: -2px;
}

.privacy-more__content {
  padding: 0 16px 16px;
}

.privacy-more__content p {
  margin: 0;
  line-height: 1.8;
  color: var(--paper);
}

/* 保留期限 */
.privacy-retention {
  margin: 18px 0 0;
  max-width: 44em;
  border-top: 1px solid var(--p-rule);
}

.privacy-retention__row {
  display: grid;
  gap: 2px;
  padding: 14px 0;
  border-bottom: 1px solid var(--p-rule);
}

.privacy-retention dt {
  color: var(--paper);
  line-height: 1.7;
}

.privacy-retention dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: .88rem;
  letter-spacing: .02em;
  color: var(--gold);
}

/* 中段视觉停顿 */
.privacy-figure {
  margin: clamp(30px, 5vw, 52px) 0;
}

.page-privacy .figure__media {
  background: var(--night-deep);
  border: 1px solid var(--p-rule);
}

.page-privacy .figure__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.page-privacy .figure__caption {
  padding-top: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: .04em;
  color: var(--mist);
}

/* 章节出口 */
.privacy-next {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 22px;
}

/* 窄屏适配 */
@media (max-width: 619px) {
  .page-privacy .privacy-hero__title {
    font-size: clamp(1.9rem, 9vw, 2.6rem);
  }

  .privacy-retention dd {
    font-size: .84rem;
  }
}

/* 宽屏双栏 + 目录吸附 */
@media (min-width: 980px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--p-idx) minmax(0, 1fr);
    gap: clamp(36px, 4vw, 68px);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 96px;
  }

  .page-privacy .privacy-index__list {
    display: block;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-index__list li {
    flex: none;
  }

  .page-privacy .privacy-index__list a {
    border: 0;
    border-left: 2px solid transparent;
    padding: 9px 0 9px 14px;
    white-space: normal;
    font-size: .88rem;
  }

  .page-privacy .privacy-index__list a:hover {
    border-left-color: var(--cyan);
    background: linear-gradient(90deg, rgba(41, 231, 206, .1), transparent 72%);
  }

  .page-privacy .privacy-hero__facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-hero__facts li {
    padding: 16px 22px 0 0;
  }

  .page-privacy .privacy-hero__facts li + li {
    padding-left: 22px;
    border-left: 1px solid var(--p-rule);
  }

  .page-privacy .privacy-retention__row {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
    align-items: baseline;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__list a {
    transition: none;
  }
}