.page-privacy {
  --pr-rail: 210px;
  position: relative;
  background-color: var(--paper);
  background-image:
    radial-gradient(circle at 10% 14%, rgba(185, 138, 46, .10), transparent 40%),
    radial-gradient(circle at 92% 78%, rgba(43, 30, 74, .07), transparent 44%);
  color: var(--ink);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .pr-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  background: var(--deep);
  color: var(--paper);
  padding: clamp(52px, 8vw, 96px) var(--edge) clamp(46px, 7vw, 78px);
  clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 30px));
  scroll-margin-top: 84px;
}

.page-privacy .pr-hero::after {
  content: "";
  position: absolute;
  z-index: -1;
  right: -14%;
  bottom: -46%;
  width: min(620px, 78%);
  height: 300px;
  background: var(--indigo);
  opacity: .62;
  transform: rotate(-9deg);
  border-radius: var(--r-lg);
  pointer-events: none;
}

.page-privacy .pr-hero__media {
  position: absolute;
  inset: 0;
  z-index: -2;
  pointer-events: none;
}

.page-privacy .pr-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
}

.page-privacy .pr-hero__inner {
  width: min(760px, 100%);
  min-width: 0;
}

.page-privacy .pr-hero__kicker {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-privacy .pr-hero__title {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(30px, 5.2vw, 52px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .pr-hero__lede {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: clamp(16px, 1.5vw, 18px);
  line-height: 1.85;
  color: var(--cyanpaper);
}

.page-privacy .pr-hero__stamp {
  margin: 22px 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
}

/* ---------- 主体骨架 ---------- */
.page-privacy .pr-body {
  width: min(1080px, 100% - 2 * var(--edge));
  margin-inline: auto;
  padding: clamp(36px, 6vw, 72px) 0 clamp(48px, 7vw, 88px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  align-items: start;
}

/* ---------- 侧边目录 ---------- */
.page-privacy .pr-rail {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 18px 20px 16px;
  background: var(--cyanpaper);
  border-radius: var(--r-md);
  border-left: 3px solid var(--gold);
}

.page-privacy .pr-rail__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--mist-ink);
}

.page-privacy .pr-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-privacy .pr-rail__list a {
  display: block;
  padding: 3px 0;
  font-family: var(--font-mono);
  font-size: 13px;
  line-height: 1.5;
  color: var(--deep);
  text-decoration: none;
  border-bottom: 1px dashed transparent;
  transition: color .18s ease, border-color .18s ease;
}

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

.page-privacy .pr-rail__top {
  margin-top: 4px;
  align-self: flex-start;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--wine);
  text-decoration: none;
  border-bottom: 1px dashed var(--gold);
  padding-bottom: 1px;
}

@media (min-width: 880px) {
  .page-privacy .pr-body {
    grid-template-columns: var(--pr-rail) minmax(0, 1fr);
  }

  .page-privacy .pr-rail {
    position: sticky;
    top: 92px;
  }
}

/* ---------- 章节 ---------- */
.page-privacy .pr-sections {
  display: grid;
  gap: clamp(30px, 4.5vw, 52px);
  min-width: 0;
}

.page-privacy .pr-sec {
  scroll-margin-top: 92px;
  padding-top: clamp(22px, 3vw, 32px);
  border-top: 1px dashed var(--gold);
  min-width: 0;
}

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

.page-privacy .pr-sec__no {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .26em;
  color: var(--gold);
}

.page-privacy .pr-sec h2 {
  margin: 0 0 16px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.3;
  color: var(--ink);
}

.page-privacy .pr-sec p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink);
}

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

/* ---------- 列表 ---------- */
.page-privacy .pr-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pr-list li {
  position: relative;
  padding-left: 24px;
  font-size: 16.5px;
  line-height: 1.82;
  color: var(--ink);
}

.page-privacy .pr-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: .74em;
  width: 8px;
  height: 8px;
  background: var(--orange);
  border-radius: 2px;
  transform: rotate(45deg);
}

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

/* ---------- 折叠块 ---------- */
.page-privacy .pr-details {
  margin: 6px 0 16px;
  padding: 12px 18px;
  background: rgba(215, 240, 234, .58);
  border-left: 3px solid var(--cyan-ink);
  border-radius: var(--r-md);
}

.page-privacy .pr-details summary {
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--deep);
}

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

.page-privacy .pr-details summary::before {
  content: "＋ ";
  color: var(--orange);
}

.page-privacy .pr-details[open] summary::before {
  content: "－ ";
}

.page-privacy .pr-details p {
  margin: 10px 0 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--ink);
}

/* ---------- 流程图 ---------- */
.page-privacy .pr-flow {
  display: block;
  width: 100%;
  height: auto;
  margin: 6px 0 18px;
}

/* ---------- 权利面板 ---------- */
.page-privacy .pr-panel {
  border-top: 0;
  padding: clamp(24px, 4vw, 38px);
  background: var(--deep);
  border-radius: var(--r-lg);
  color: var(--paper);
  box-shadow: 0 18px 46px rgba(15, 46, 36, .18);
}

.page-privacy .pr-panel .pr-sec__no {
  color: var(--orange);
}

.page-privacy .pr-panel h2 {
  color: var(--paper);
}

.page-privacy .pr-panel p {
  color: var(--cyanpaper);
}

.page-privacy .pr-panel .pr-list li {
  color: var(--cyanpaper);
}

.page-privacy .pr-panel .pr-list strong {
  color: var(--cyan);
}

.page-privacy .pr-panel a {
  color: var(--cyan);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pr-panel a:hover,
.page-privacy .pr-panel a:focus-visible {
  color: var(--paper);
}

/* ---------- 页内返回 ---------- */
.page-privacy .pr-footnav {
  display: flex;
  justify-content: flex-end;
}

.page-privacy .pr-top {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--mist-ink);
  text-decoration: none;
  border-bottom: 1px dashed var(--gold);
  padding-bottom: 2px;
}

.page-privacy .pr-top:hover,
.page-privacy .pr-top:focus-visible {
  color: var(--wine);
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 640px) {
  .page-privacy .pr-hero {
    padding-top: 48px;
    clip-path: polygon(0 0, 100% 0, 100% 100%, 0 calc(100% - 20px));
  }

  .page-privacy .pr-hero::after {
    right: -30%;
    bottom: -34%;
    height: 220px;
    opacity: .5;
  }

  .page-privacy .pr-body {
    width: min(100% - 2 * var(--edge), 1080px);
  }

  .page-privacy .pr-rail {
    padding: 16px 16px 14px;
  }

  .page-privacy .pr-sec p,
  .page-privacy .pr-list li {
    font-size: 16px;
    line-height: 1.78;
  }

  .page-privacy .pr-panel {
    padding: 22px 18px;
  }

  .page-privacy .pr-flow {
    margin-bottom: 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pr-rail__list a,
  .page-privacy .pr-panel a,
  .page-privacy .pr-top {
    transition: none;
  }
}