.page-privacy {
  --pp-max: 720px;
  --pp-ink-soft: rgba(7, 17, 28, .8);
  --pp-line: rgba(7, 17, 28, .12);
}

/* ---------- 页首 ---------- */
.page-privacy .pp-hero {
  position: relative;
  overflow: hidden;
  background: var(--ink-950);
  padding-top: calc(var(--header-h) + clamp(40px, 7vw, 76px));
  padding-bottom: clamp(44px, 6vw, 76px);
}

.page-privacy .pp-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(0deg, rgba(53, 230, 212, .06) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(53, 230, 212, .05) 0 1px, transparent 1px 44px);
  mask-image: linear-gradient(160deg, #000 10%, transparent 78%);
  -webkit-mask-image: linear-gradient(160deg, #000 10%, transparent 78%);
  pointer-events: none;
}

.page-privacy .pp-hero-bg {
  position: absolute;
  inset: 0;
  pointer-events: none;
}

.page-privacy .pp-hero-bg img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: .3;
}

.page-privacy .pp-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(102deg, var(--ink-950) 6%, rgba(6, 17, 31, .78) 46%, rgba(6, 17, 31, .28) 100%);
}

.page-privacy .pp-hero-inner {
  position: relative;
  z-index: 1;
}

.page-privacy .breadcrumb {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--text-dim);
}

.page-privacy .breadcrumb a {
  color: var(--text-dim);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

.page-privacy .breadcrumb a:hover {
  color: var(--accent);
  border-bottom-color: var(--cyan-600);
}

.page-privacy .pp-kicker {
  margin: clamp(22px, 4vw, 38px) 0 12px;
  font-size: 12px;
  letter-spacing: .18em;
  color: var(--accent);
}

.page-privacy .pp-title {
  margin: 0;
  color: var(--text);
  font-size: clamp(48px, 11vw, 112px);
  line-height: .94;
  letter-spacing: -.03em;
}

.page-privacy .pp-lead {
  max-width: 40ch;
  margin: clamp(18px, 3vw, 28px) 0 0;
  color: var(--text-dim);
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
}

.page-privacy .pp-hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: clamp(22px, 3vw, 32px);
}

/* ---------- 阅读区 ---------- */
.page-privacy .pp-doc {
  background: var(--paper-050);
  color: var(--ink-900);
  padding: clamp(38px, 6vw, 76px) 0 clamp(56px, 8vw, 96px);
}

.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 44px);
}

/* ---------- 章节目录 ---------- */
.page-privacy .pp-toc {
  border-left: 2px solid rgba(15, 168, 160, .35);
  padding-left: 16px;
}

.page-privacy .pp-toc-title {
  margin: 0 0 14px;
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--cyan-600);
}

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

.page-privacy .pp-toc-list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 7px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--pp-ink-soft);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pp-toc-list a:hover,
.page-privacy .pp-toc-list a:focus-visible {
  color: var(--cyan-600);
  border-bottom-color: rgba(15, 168, 160, .4);
}

.page-privacy .pp-toc-num {
  font-size: 11px;
  color: rgba(7, 17, 28, .42);
  letter-spacing: .1em;
}

.page-privacy .pp-toc-note {
  margin: 18px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: rgba(7, 17, 28, .55);
}

/* ---------- 条款正文 ---------- */
.page-privacy .pp-body {
  max-width: var(--pp-max);
  min-width: 0;
}

.page-privacy .pp-section {
  padding: clamp(26px, 4vw, 38px) 0;
  border-top: 1px solid var(--pp-line);
  scroll-margin-top: calc(var(--header-h) + 24px);
}

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

.page-privacy .pp-section-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .pp-num {
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--cyan-600);
}

.page-privacy .pp-h2 {
  margin: 0;
  font-size: clamp(21px, 2.6vw, 29px);
  line-height: 1.28;
  letter-spacing: -.01em;
  color: var(--ink-900);
  font-weight: 700;
}

.page-privacy .pp-body p {
  max-width: 40em;
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--pp-ink-soft);
}

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

.page-privacy .pp-body a {
  color: var(--cyan-600);
  text-decoration: none;
  border-bottom: 1px solid rgba(15, 168, 160, .45);
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pp-body a:hover {
  color: var(--ink-900);
  border-bottom-color: var(--amber-400);
}

.page-privacy .pp-body .mono {
  font-size: 14px;
  letter-spacing: .02em;
  color: var(--ink-900);
}

.page-privacy .pp-list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 11px;
}

.page-privacy .pp-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15.5px;
  line-height: 1.75;
  color: var(--pp-ink-soft);
}

.page-privacy .pp-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 11px;
  height: 2px;
  background: var(--cyan-600);
}

.page-privacy .pp-list strong {
  color: var(--ink-900);
  font-weight: 600;
}

/* ---------- 联系卡片 ---------- */
.page-privacy .pp-contact-card {
  margin: 20px 0 22px;
  padding: clamp(20px, 3vw, 28px);
  border-radius: var(--radius-l);
  background: var(--ink-850);
  color: var(--text);
  border: 1px solid var(--line-soft);
}

.page-privacy .pp-card-label {
  margin: 0 0 16px;
  font-size: 11px;
  letter-spacing: .16em;
  color: var(--accent);
}

.page-privacy .pp-copy {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  padding: 11px 18px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(53, 230, 212, .42);
  background: rgba(53, 230, 212, .1);
  color: var(--mint-100);
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .02em;
  cursor: pointer;
  transition: background .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pp-copy:hover {
  background: rgba(53, 230, 212, .2);
  border-color: var(--cyan-400);
}

.page-privacy .pp-copy .copy-hint {
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--accent-warm);
}

.page-privacy .pp-copy.is-copied .copy-hint {
  color: var(--accent);
}

.page-privacy .pp-contact-list {
  margin: 20px 0 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pp-contact-list div {
  display: grid;
  gap: 4px;
  padding-top: 14px;
  border-top: 1px solid rgba(169, 184, 204, .18);
}

.page-privacy .pp-contact-list dt {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--text-dim);
}

.page-privacy .pp-contact-list dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.65;
  color: var(--paper-050);
}

.page-privacy .pp-contact-list dd.mono {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: .04em;
  color: var(--mint-100);
}

.page-privacy .pp-contact-list a {
  color: var(--accent);
  border-bottom-color: rgba(53, 230, 212, .45);
}

.page-privacy .pp-contact-list a:hover {
  color: var(--accent-warm);
  border-bottom-color: var(--amber-400);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .pp-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  border-radius: var(--radius-pill);
  background: rgba(6, 17, 31, .9);
  border: 1px solid var(--line-soft);
  color: var(--text-dim);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  text-decoration: none;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}

.page-privacy .pp-top:hover,
.page-privacy .pp-top:focus-visible {
  color: var(--accent);
  border-color: var(--cyan-600);
}

/* ---------- 响应式 ---------- */
@media (min-width: 900px) {
  .page-privacy .pp-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(40px, 6vw, 96px);
    align-items: start;
  }

  .page-privacy .pp-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }

  .page-privacy .pp-body p {
    font-size: 16.5px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .pp-layout {
    grid-template-columns: 260px minmax(0, 1fr);
  }
}

@media (max-width: 560px) {
  .page-privacy .pp-contact-card {
    border-radius: var(--radius-m);
  }

  .page-privacy .pp-copy {
    width: 100%;
    justify-content: space-between;
  }

  .page-privacy .pp-top {
    padding: 8px 13px;
    font-size: 10px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .breadcrumb a,
  .page-privacy .pp-toc-list a,
  .page-privacy .pp-copy,
  .page-privacy .pp-top,
  .page-privacy .pp-body a {
    transition: none;
  }
}