.page-privacy {
  --p-rail-w: 224px;
  --p-body-indent: 44px;
  --p-soft: rgba(255, 255, 255, 0.72);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding-block: clamp(20px, 3vw, 36px) clamp(28px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-hero__grid {
  display: grid;
  gap: clamp(26px, 4vw, 52px);
  margin-top: clamp(22px, 3.4vw, 40px);
}

.page-privacy .privacy-hero__title {
  margin: 10px 0 0;
  font-size: clamp(2.4rem, 6.4vw, 4.6rem);
  font-weight: 250;
  letter-spacing: -0.04em;
  line-height: 1.04;
}

.page-privacy .privacy-hero__text .lede {
  margin-top: clamp(16px, 2.4vw, 26px);
  max-width: 60ch;
  color: var(--ink-soft);
}

.page-privacy .privacy-hero__media {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background:
    linear-gradient(150deg, rgba(20, 224, 208, 0.08), rgba(11, 18, 38, 0.6) 52%, rgba(255, 138, 61, 0.05)),
    var(--bg-soft);
  box-shadow: var(--shadow-soft);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 2 / 1;
  filter: saturate(0.92) contrast(1.04);
}

@media (min-width: 940px) {
  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: end;
  }
}

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-main {
  padding-block: clamp(34px, 5vw, 68px) clamp(56px, 8vw, 104px);
}

.page-privacy .privacy-doc {
  display: grid;
  gap: clamp(30px, 4.5vw, 60px);
}

@media (min-width: 1000px) {
  .page-privacy .privacy-doc {
    grid-template-columns: var(--p-rail-w) minmax(0, 1fr);
    gap: clamp(44px, 5.5vw, 88px);
    align-items: start;
  }
}

/* ---------- 左侧锚点索引 ---------- */
.page-privacy .privacy-rail {
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(17, 28, 58, 0.72), rgba(11, 18, 38, 0.5));
  padding: 18px 18px 20px;
}

.page-privacy .privacy-rail__label {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--cyan-500);
}

.page-privacy .privacy-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-rail__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 9px 8px 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 2px;
  text-decoration: none;
  color: var(--ink-soft);
  font-size: 14px;
  line-height: 1.5;
  transition: color 220ms var(--ease), border-color 220ms var(--ease), background-color 220ms var(--ease);
}

.page-privacy .privacy-rail__link .mono {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--gray-400);
}

.page-privacy .privacy-rail__link em {
  font-style: normal;
}

.page-privacy .privacy-rail__link:hover,
.page-privacy .privacy-rail__link:focus-visible {
  color: var(--ink);
  border-left-color: var(--cyan-500);
  background: rgba(20, 224, 208, 0.07);
}

.page-privacy .privacy-rail__link:hover .mono,
.page-privacy .privacy-rail__link:focus-visible .mono {
  color: var(--cyan-300);
}

.page-privacy .privacy-rail__hint {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.65;
  color: var(--gray-400);
}

@media (min-width: 1000px) {
  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 26px);
  }
}

/* ---------- 条款流 ---------- */
.page-privacy .privacy-flow {
  max-width: 74ch;
  min-width: 0;
}

.page-privacy .privacy-section {
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .privacy-section:last-of-type {
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-section__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: clamp(20px, 2.6vw, 28px) 0;
  cursor: pointer;
  list-style: none;
  transition: color 200ms var(--ease);
}

.page-privacy .privacy-section__head::-webkit-details-marker {
  display: none;
}

.page-privacy .privacy-section__head::marker {
  content: "";
}

.page-privacy .privacy-section__head:hover .privacy-section__title {
  color: var(--cyan-300);
}

.page-privacy .privacy-section__num {
  flex: none;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan-500);
  padding-top: 4px;
}

.page-privacy .privacy-section__title {
  flex: 1;
  margin: 0;
  font-size: clamp(1.15rem, 2.3vw, 1.5rem);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.35;
  color: var(--ink);
  transition: color 200ms var(--ease);
}

.page-privacy .privacy-section__mark {
  flex: none;
  align-self: center;
  position: relative;
  width: 12px;
  height: 12px;
}

.page-privacy .privacy-section__mark::before,
.page-privacy .privacy-section__mark::after {
  content: "";
  position: absolute;
  background: var(--cyan-500);
}

.page-privacy .privacy-section__mark::before {
  left: 0;
  top: 5.5px;
  width: 12px;
  height: 1px;
}

.page-privacy .privacy-section__mark::after {
  left: 5.5px;
  top: 0;
  width: 1px;
  height: 12px;
  transform-origin: center;
  transition: transform 240ms var(--ease);
}

.page-privacy .privacy-section[open] .privacy-section__mark::after {
  transform: scaleY(0);
}

.page-privacy .privacy-section__body {
  padding-bottom: clamp(24px, 3vw, 34px);
}

.page-privacy .privacy-section__body > * + * {
  margin-top: 16px;
}

@media (min-width: 720px) {
  .page-privacy .privacy-section__body {
    padding-left: var(--p-body-indent);
  }
}

/* ---------- 段落与列表 ---------- */
.page-privacy .privacy-section__body .prose {
  max-width: 68ch;
  color: var(--p-soft);
  line-height: 1.78;
  font-size: clamp(15px, 1.6vw, 16.5px);
  margin: 0;
}

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

.page-privacy .privacy-list > li {
  position: relative;
  padding-left: 20px;
  font-size: clamp(15px, 1.6vw, 16.5px);
  line-height: 1.78;
  color: var(--p-soft);
}

.page-privacy .privacy-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 7px;
  height: 1px;
  background: var(--cyan-500);
}

.page-privacy .privacy-list > li strong {
  color: var(--ink);
  font-weight: 600;
}

.page-privacy .privacy-note {
  margin: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--orange-500);
  border-radius: var(--radius);
  background: rgba(11, 18, 38, 0.55);
  font-size: 14px;
  line-height: 1.75;
  color: var(--ink-soft);
}

.page-privacy .privacy-section__body a {
  color: var(--cyan-300);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color 200ms var(--ease);
}

.page-privacy .privacy-section__body a:hover,
.page-privacy .privacy-section__body a:focus-visible {
  color: var(--orange-500);
}

.page-privacy .privacy-section__body .mono {
  color: var(--ink);
  font-size: 14px;
  letter-spacing: 0.01em;
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy {
    background: #fff;
    color: #000;
  }

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

  .page-privacy .privacy-doc {
    display: block;
  }

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

  .page-privacy .privacy-section__head {
    padding-block: 12px;
    cursor: default;
  }

  .page-privacy .privacy-section__body .prose,
  .page-privacy .privacy-list > li,
  .page-privacy .privacy-note {
    color: #111;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__link,
  .page-privacy .privacy-section__title,
  .page-privacy .privacy-section__mark::after {
    transition: none;
  }
}