.page-privacy {
  --pp-measure: 64ch;
  --pp-rule: rgba(201, 214, 226, 0.16);
  --pp-rule-soft: rgba(201, 214, 226, 0.09);
  --pp-text: rgba(242, 245, 248, 0.86);
  position: relative;
  background-color: var(--navy-900);
  color: var(--paper);
  overflow-x: hidden;
}

.page-privacy .crumbs {
  padding-top: 24px;
}

/* ---------- 首屏 ---------- */

.page-privacy .pp-hero {
  position: relative;
  margin-top: 22px;
  padding: 20px 0 52px;
  border-bottom: 1px solid var(--pp-rule);
  background-image:
    repeating-linear-gradient(45deg, rgba(201, 214, 226, 0.045) 0 1px, transparent 1px 9px),
    linear-gradient(180deg, rgba(18, 34, 50, 0.92), rgba(10, 22, 34, 0));
  overflow: hidden;
}

.page-privacy .pp-hero__grid {
  display: grid;
  gap: 30px;
}

.page-privacy .pp-hero__title {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(46px, 10vw, 108px);
  line-height: 0.94;
  letter-spacing: -0.02em;
  margin: 14px 0 20px;
  color: var(--paper);
}

.page-privacy .pp-hero__lede {
  max-width: 48ch;
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pp-text);
}

.page-privacy .pp-hero__stamp {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: 26px 0 0;
  padding: 7px 14px;
  border: 1px solid var(--pp-rule);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

.page-privacy .pp-hero__stamp-label {
  color: var(--mist);
}

.page-privacy .pp-hero__stamp-value {
  color: var(--amber);
}

.page-privacy .pp-hero__figure {
  position: relative;
  margin: 0;
  border: 1px solid var(--pp-rule);
  border-radius: 2px;
  background: var(--navy-700);
  overflow: hidden;
}

.page-privacy .pp-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 22, 34, 0.1), rgba(10, 22, 34, 0.62));
  pointer-events: none;
}

.page-privacy .pp-hero__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
  filter: saturate(0.5) contrast(1.06);
}

/* ---------- 主体双栏 ---------- */

.page-privacy .pp-body {
  display: grid;
  gap: 30px;
  padding: 44px 0 84px;
}

.page-privacy .pp-rail__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-privacy .pp-toc {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 8px;
  scrollbar-width: thin;
}

.page-privacy .pp-toc__link {
  display: flex;
  flex: 0 0 auto;
  align-items: baseline;
  gap: 9px;
  padding: 8px 12px;
  border: 1px solid var(--pp-rule);
  border-radius: 2px;
  font-size: 14px;
  line-height: 1.3;
  color: var(--pp-text);
  text-decoration: none;
  transition: border-color 260ms var(--ease), color 260ms var(--ease);
}

.page-privacy .pp-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--amber);
}

.page-privacy .pp-main {
  min-width: 0;
}

/* ---------- 章节 ---------- */

.page-privacy .pp-section {
  padding-top: 34px;
  border-top: 1px solid var(--pp-rule);
  scroll-margin-top: 40px;
}

.page-privacy .pp-section + .pp-section {
  margin-top: 44px;
}

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

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

.page-privacy .pp-section__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--amber);
  border-bottom: 2px solid var(--amber);
  padding-bottom: 2px;
}

.page-privacy .pp-section__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(23px, 3.6vw, 36px);
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .pp-section p {
  max-width: var(--pp-measure);
  margin: 0 0 16px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--pp-text);
}

.page-privacy .pp-subhead {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
  margin: 30px 0 14px;
}

/* ---------- 条目清单 ---------- */

.page-privacy .pp-list {
  display: grid;
  gap: 14px;
  max-width: var(--pp-measure);
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-list > li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.78;
  color: var(--pp-text);
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 9px;
  height: 2px;
  background: var(--amber);
  opacity: 0.85;
}

.page-privacy .pp-list strong {
  color: var(--paper);
  font-weight: 600;
}

/* ---------- 卡片 ---------- */

.page-privacy .pp-card {
  max-width: var(--pp-measure);
  padding: 18px 20px;
  border: 1px solid var(--pp-rule);
  border-radius: 2px;
  background: var(--navy-600);
}

.page-privacy .pp-card__title {
  margin: 0 0 7px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 17px;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-privacy .pp-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--pp-text);
}

.page-privacy .pp-cards {
  display: grid;
  gap: 14px;
  max-width: var(--pp-measure);
  margin: 0 0 18px;
}

.page-privacy .pp-card--use {
  position: relative;
  padding-top: 22px;
}

.page-privacy .pp-card--use::before {
  content: "";
  position: absolute;
  top: 0;
  left: 20px;
  width: 34px;
  height: 2px;
  background: var(--amber);
}

/* ---------- 折叠补充 ---------- */

.page-privacy .pp-more {
  max-width: var(--pp-measure);
  margin-top: 6px;
  padding-top: 14px;
  border-top: 1px dashed var(--pp-rule-soft);
}

.page-privacy .pp-more > summary {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--amber);
}

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

.page-privacy .pp-more > summary::after {
  content: "＋";
  font-family: var(--font-mono);
  font-size: 12px;
}

.page-privacy .pp-more[open] > summary::after {
  content: "－";
}

.page-privacy .pp-more > p {
  margin: 12px 0 0;
}

/* ---------- 链接与联系方式 ---------- */

.page-privacy .pp-link {
  color: var(--amber);
  text-decoration: none;
  border-bottom: 1px solid rgba(223, 166, 58, 0.42);
  transition: border-color 220ms var(--ease);
}

.page-privacy .pp-link:hover,
.page-privacy .pp-link:focus-visible {
  border-bottom-color: var(--amber);
}

.page-privacy .pp-contact {
  max-width: var(--pp-measure);
  margin: 0 0 18px;
}

/* ---------- 桌面 ---------- */

@media (min-width: 760px) {
  .page-privacy .pp-hero {
    padding-bottom: 64px;
  }

  .page-privacy .pp-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 16px;
  }

  .page-privacy .pp-card--use {
    padding: 24px 20px 20px;
  }
}

@media (min-width: 980px) {
  .page-privacy .pp-hero__grid {
    grid-template-columns: 1.05fr 0.95fr;
    align-items: end;
    gap: 52px;
  }

  .page-privacy .pp-body {
    grid-template-columns: 208px minmax(0, 1fr);
    gap: 60px;
    padding: 64px 0 100px;
  }

  .page-privacy .pp-rail {
    position: sticky;
    top: 34px;
    align-self: start;
    padding-left: 18px;
    border-left: 1px solid var(--pp-rule);
  }

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

  .page-privacy .pp-toc__link {
    padding: 9px 0 9px 13px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    color: var(--mist);
    font-size: 14.5px;
  }

  .page-privacy .pp-toc__link:hover,
  .page-privacy .pp-toc__link:focus-visible {
    border-left-color: var(--amber);
    color: var(--paper);
  }

  .page-privacy .pp-section + .pp-section {
    margin-top: 56px;
  }
}

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