.page-privacy {
  --pp-shell: 62rem;
  --pp-toc-w: 13.5rem;
  --pp-gap: clamp(28px, 5vw, 64px);
  --pp-indent: clamp(20px, 3vw, 34px);
  padding-bottom: clamp(64px, 9vw, 120px);
}

.page-privacy .pp-shell {
  width: 100%;
  max-width: var(--pp-shell);
  margin-inline: auto;
  padding-inline: var(--gutter);
}

/* ---------- 首屏 ---------- */

.page-privacy .pp-hero {
  position: relative;
  padding-block: clamp(26px, 4vw, 44px) clamp(26px, 4vw, 46px);
}

.page-privacy .pp-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--violet) 38%, var(--cyan) 62%, transparent 100%);
  background-size: 250% 100%;
  opacity: .5;
  animation: pp-sheen 7s var(--ease) infinite;
}

@keyframes pp-sheen {
  0% { background-position: 0% 50%; }
  100% { background-position: 250% 50%; }
}

.page-privacy .pp-hero-inner {
  margin-top: clamp(20px, 3vw, 34px);
}

.page-privacy .pp-hero h1 {
  margin: 14px 0 0;
  font-size: clamp(30px, 5vw, 46px);
  font-weight: 800;
  line-height: 1.24;
  letter-spacing: .01em;
  color: var(--white);
}

.page-privacy .pp-hero .lede {
  margin-top: clamp(14px, 2vw, 20px);
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.92;
  color: rgba(245, 247, 250, .76);
}

.page-privacy .pp-meta-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 28px;
  margin: clamp(22px, 3vw, 30px) 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-meta-list li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
}

.page-privacy .pp-meta-key {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-privacy .pp-meta-key::after {
  content: "／";
  margin-left: 6px;
  color: var(--line);
}

.page-privacy .pp-meta-val {
  color: var(--white);
}

/* ---------- 顶部视觉 ---------- */

.page-privacy .pp-visual {
  position: relative;
  margin: clamp(26px, 4vw, 40px) 0 clamp(40px, 6vw, 76px);
  border: 1.5px solid var(--line);
  background: var(--ink-2);
  box-shadow: var(--shadow);
  overflow: hidden;
}

.page-privacy .pp-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  filter: saturate(.92) contrast(1.04);
}

.page-privacy .pp-visual figcaption {
  padding: 10px 14px;
  border-top: 1px solid var(--line-soft);
  background: var(--ink-2);
  font-family: var(--font-mono);
  font-size: 11px;
  line-height: 1.7;
  letter-spacing: .05em;
  color: var(--grey);
}

/* ---------- 主体布局 ---------- */

.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pp-gap);
}

/* ---------- 条款 ---------- */

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

.page-privacy .pp-clause {
  position: relative;
  padding: clamp(26px, 3.4vw, 40px) 0 clamp(24px, 3.2vw, 36px) var(--pp-indent);
  border-left: 1px solid var(--line-faint);
  border-top: 1px solid var(--line-faint);
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .pp-clause:last-child {
  border-bottom: 1px solid var(--line-faint);
}

.page-privacy .pp-clause:target {
  border-left-color: var(--violet);
}

.page-privacy .pp-clause-index {
  position: absolute;
  top: clamp(26px, 3.4vw, 40px);
  left: -1px;
  transform: translateX(-50%);
  padding: 3px 0;
  background: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .06em;
  color: var(--violet-soft);
  transition: color var(--dur) var(--ease);
}

.page-privacy .pp-clause:target .pp-clause-index {
  color: var(--cyan);
}

.page-privacy .pp-clause-title {
  margin: 0;
  font-size: clamp(17px, 1.9vw, 21px);
  font-weight: 400;
  line-height: 1.55;
  letter-spacing: .14em;
  color: var(--white);
}

.page-privacy .pp-clause p {
  margin: 14px 0 0;
  max-width: 42em;
  font-size: 15.5px;
  line-height: 1.92;
  color: rgba(245, 247, 250, .74);
}

/* ---------- 折叠细节 ---------- */

.page-privacy .pp-acc {
  margin-top: 4px;
}

.page-privacy .pp-acc .acc-head {
  display: flex;
  align-items: center;
  gap: 10px;
  width: 100%;
  margin-top: 16px;
  padding: 12px 0;
  background: none;
  border: 0;
  border-top: 1px dashed var(--line-faint);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .1em;
  text-align: left;
  color: var(--grey);
  cursor: pointer;
  transition: color var(--dur) var(--ease);
}

.page-privacy .pp-acc .acc-head:hover,
.page-privacy .pp-acc .acc-head:focus-visible {
  color: var(--cyan);
}

.page-privacy .pp-acc .acc-index {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: none;
  width: 18px;
  height: 18px;
  border: 1px solid var(--line);
  color: var(--cyan);
  font-size: 12px;
  line-height: 1;
  transition: transform var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pp-acc .acc-item[data-open] .acc-index {
  transform: rotate(45deg);
  border-color: var(--cyan);
}

.page-privacy .pp-acc .acc-body {
  padding-bottom: 6px;
}

.page-privacy .pp-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 18px;
  max-width: 42em;
  font-size: 14.5px;
  line-height: 1.88;
  color: rgba(245, 247, 250, .66);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 4px;
  height: 4px;
  background: var(--violet-soft);
}

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

/* ---------- 右侧锚点索引 ---------- */

.page-privacy .pp-toc {
  order: -1;
  padding: 14px 16px;
  border: 1px solid var(--line-faint);
  background: var(--ink-2);
  font-family: var(--font-mono);
}

.page-privacy .pp-toc-label {
  margin: 0 0 12px;
  font-size: 10px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--grey);
}

.page-privacy .pp-toc-list {
  display: flex;
  gap: 16px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

.page-privacy .pp-toc-list::-webkit-scrollbar {
  display: none;
}

.page-privacy .pp-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 6px;
  flex: none;
  padding: 4px 0;
  font-size: 12px;
  line-height: 1.5;
  white-space: nowrap;
  color: var(--grey);
  text-decoration: none;
  transition: color var(--dur) var(--ease);
}

.page-privacy .pp-toc-list a:hover,
.page-privacy .pp-toc-list a:focus-visible {
  color: var(--cyan);
}

.page-privacy .pp-toc-num {
  font-size: 10.5px;
  color: var(--violet-soft);
}

.page-privacy .pp-toc-foot {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px dashed var(--line-faint);
}

.page-privacy .pp-toc-link {
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--grey);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-privacy .pp-toc-link--top {
  color: var(--violet-soft);
}

/* ---------- 桌面 ---------- */

@media (min-width: 900px) {
  .page-privacy .pp-layout {
    grid-template-columns: minmax(0, 1fr) var(--pp-toc-w);
    align-items: start;
    gap: clamp(32px, 4vw, 56px);
  }

  .page-privacy .pp-toc {
    order: 0;
    position: sticky;
    top: 108px;
    padding: 0 0 0 18px;
    border: 0;
    border-left: 1px solid var(--line-faint);
    background: none;
  }

  .page-privacy .pp-toc-list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pp-toc-list a {
    white-space: normal;
    padding: 6px 0;
  }

  .page-privacy .pp-toc-foot {
    display: grid;
    gap: 6px;
  }
}

/* ---------- 动效降级 ---------- */

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-hero::after {
    animation: none;
  }

  .page-privacy .pp-clause,
  .page-privacy .pp-clause-index,
  .page-privacy .pp-acc .acc-head,
  .page-privacy .pp-acc .acc-index,
  .page-privacy .pp-toc-list a,
  .page-privacy .pp-toc-link {
    transition: none;
  }
}