.page-privacy {
  --pp-measure: 44em;
  --pp-note-w: 218px;
}

/* ---------- 首屏 ---------- */
.page-privacy .pp-hero {
  position: relative;
  padding-top: clamp(36px, 5vw, 68px);
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 90% at 12% 0%, rgba(47, 107, 255, .12), transparent 58%),
    radial-gradient(90% 70% at 92% 18%, rgba(69, 240, 211, .07), transparent 62%),
    linear-gradient(180deg, rgba(29, 42, 58, .55) 0%, rgba(10, 12, 16, 0) 70%);
  overflow: hidden;
}

.page-privacy .pp-hero .display {
  font-size: clamp(34px, 5.6vw, 68px);
  font-weight: 300;
  line-height: 1.02;
  letter-spacing: -0.02em;
  margin: 14px 0 0;
  max-width: 20ch;
  text-shadow: 0 0 32px rgba(69, 240, 211, .12);
}

.page-privacy .pp-hero .lede {
  max-width: 60ch;
  margin-top: 18px;
  color: rgba(242, 239, 233, .82);
}

.page-privacy .pp-hero__figure {
  position: relative;
  margin: clamp(28px, 4vw, 46px) 0 0;
}

.page-privacy .pp-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(170px, 24vw, 300px);
  object-fit: cover;
  object-position: center;
  filter: saturate(.72) contrast(1.05);
}

.page-privacy .pp-hero__figure::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10, 12, 16, .18) 0%, rgba(10, 12, 16, .86) 100%);
  pointer-events: none;
}

/* ---------- 锚点目录 ---------- */
.page-privacy .pp-toc {
  position: sticky;
  top: 0;
  z-index: 6;
  background: rgba(10, 12, 16, .92);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-toc__list {
  display: flex;
  gap: clamp(14px, 3vw, 34px);
  margin: 0;
  padding: 13px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-privacy .pp-toc__link {
  display: inline-block;
  padding-bottom: 3px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--moss-t);
  text-decoration: none;
  white-space: nowrap;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .pp-toc__link:hover,
.page-privacy .pp-toc__link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

/* ---------- 正文 ---------- */
.page-privacy .pp-body {
  display: block;
}

.page-privacy .pp-sec {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(16px, 3vw, 30px);
  padding: clamp(36px, 5vw, 62px) 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .pp-sec__main {
  max-width: var(--pp-measure);
  min-width: 0;
}

.page-privacy .pp-idx {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .16em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-privacy .pp-sec h2 {
  margin: 0 0 16px;
  font-size: clamp(23px, 3.1vw, 34px);
  font-weight: 500;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.page-privacy .pp-sec__main > p {
  margin: 0 0 18px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 239, 233, .86);
}

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

.page-privacy .pp-list > li {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 239, 233, .86);
}

.page-privacy .pp-list > li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .82em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
  opacity: .85;
}

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

.page-privacy .data {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--cyan);
  letter-spacing: .02em;
}

/* 旁注索引 */
.page-privacy .pp-note {
  align-self: start;
  border-left: 1px solid var(--line);
  padding: 2px 0 2px 16px;
  font-family: var(--mono);
  font-size: 12px;
  line-height: 1.9;
  letter-spacing: .03em;
  color: var(--moss-t);
}

.page-privacy .pp-note p {
  margin: 0 0 8px;
}

.page-privacy .pp-note p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-note strong {
  display: block;
  color: var(--paper);
  font-weight: 600;
  letter-spacing: .1em;
}

/* 折叠说明 */
.page-privacy .pp-fold {
  margin-top: 20px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: linear-gradient(180deg, rgba(29, 42, 58, .55), rgba(21, 26, 34, .9));
}

.page-privacy .pp-fold > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 14px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--paper);
}

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

.page-privacy .pp-fold > summary::after {
  content: "+";
  flex: none;
  color: var(--cyan);
  font-family: var(--mono);
  font-size: 15px;
  line-height: 1;
}

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

.page-privacy .pp-fold__body {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line);
  padding-top: 14px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(242, 239, 233, .8);
}

.page-privacy .pp-fold__body p {
  margin: 0 0 10px;
}

.page-privacy .pp-fold__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 底部联系 ---------- */
.page-privacy .pp-cta {
  padding: clamp(44px, 6vw, 78px) 0;
  border-top: 1px solid var(--line);
  background:
    radial-gradient(100% 120% at 88% 0%, rgba(255, 138, 61, .1), transparent 58%),
    linear-gradient(180deg, rgba(21, 26, 34, .4), rgba(10, 12, 16, 1));
}

.page-privacy .pp-cta__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 48px);
  align-items: start;
}

.page-privacy .pp-cta__lead {
  max-width: 40em;
}

.page-privacy .pp-cta__lead h2 {
  margin: 0 0 14px;
  font-size: clamp(24px, 3.2vw, 36px);
  font-weight: 500;
  line-height: 1.18;
}

.page-privacy .pp-cta__lead p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: rgba(242, 239, 233, .84);
}

.page-privacy .pp-cta__actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}

.page-privacy .pp-cta__actions .copy-btn {
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--cyan);
  background: transparent;
  border: 1px dashed var(--line);
  border-radius: var(--radius);
  padding: 10px 14px;
  cursor: pointer;
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

.page-privacy .pp-cta__actions .copy-btn:hover,
.page-privacy .pp-cta__actions .copy-btn:focus-visible {
  border-color: var(--cyan);
  outline: none;
}

.page-privacy .txt-link {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 107, 255, .45);
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .txt-link:hover,
.page-privacy .txt-link:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
  outline: none;
}

/* ---------- 响应式 ---------- */
@media (min-width: 860px) {
  .page-privacy .pp-sec {
    grid-template-columns: minmax(0, 1fr) var(--pp-note-w);
    gap: clamp(28px, 4vw, 56px);
  }

  .page-privacy .pp-hero__figure img {
    height: clamp(240px, 26vw, 350px);
  }

  .page-privacy .pp-cta__inner {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
  }

  .page-privacy .pp-cta__actions {
    justify-content: flex-start;
  }
}

@media (max-width: 560px) {
  .page-privacy .pp-hero .display {
    font-size: clamp(30px, 8.6vw, 44px);
  }

  .page-privacy .pp-note {
    border-left: 0;
    border-top: 1px solid var(--line);
    padding: 12px 0 0;
  }

  .page-privacy .pp-list > li,
  .page-privacy .pp-sec__main > p {
    font-size: 15.5px;
  }

  .page-privacy .pp-cta__actions .btn,
  .page-privacy .pp-cta__actions .copy-btn {
    width: 100%;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-toc__link,
  .page-privacy .pp-fold > summary,
  .page-privacy .pp-cta__actions .copy-btn,
  .page-privacy .txt-link {
    transition: none;
  }
}