.page-privacy {
  --pv-panel: #0E1B36;
  --pv-soft: #D6E1F2;
  display: block;
  background: var(--ink-900);
  color: var(--text-soft);
}

/* ===== 首屏 ===== */
.page-privacy .pv-hero {
  position: relative;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #081227 0%, var(--ink-900) 100%);
}

.page-privacy .pv-hero__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 20px;
  padding-block: clamp(22px, 4vw, 44px) clamp(18px, 3vw, 32px);
}

.page-privacy .pv-hero__copy { min-width: 0; }

.page-privacy .breadcrumbs { margin-bottom: 18px; }

.page-privacy .pv-hero__eyebrow {
  margin: 0 0 14px;
  color: var(--cyan);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
}

.page-privacy .pv-hero__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(46px, 11vw, 96px);
  line-height: 0.9;
  letter-spacing: -0.01em;
  color: var(--white);
}

.page-privacy .pv-hero__lede {
  max-width: 62ch;
  margin: 18px 0 0;
  font-size: clamp(15px, 1.9vw, 17px);
  line-height: 1.85;
  color: var(--pv-soft);
}

.page-privacy .pv-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-hero__facts li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--mist);
}

.page-privacy .pv-hero__facts .mono {
  color: var(--orange);
  font-size: 12px;
  letter-spacing: 0.1em;
}

.page-privacy .pv-hero__side {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.42em;
  color: var(--line-strong);
  writing-mode: vertical-rl;
  justify-self: end;
  align-self: start;
  display: none;
}

.page-privacy .pv-hero__media {
  height: clamp(140px, 22vw, 250px);
  overflow: hidden;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-hero__media img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.82;
}

/* ===== 主布局 ===== */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  padding-block: clamp(28px, 4vw, 48px) clamp(56px, 7vw, 96px);
}

/* ===== 章节索引 ===== */
.page-privacy .pv-toc {
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 16px 18px 14px;
}

.page-privacy .pv-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .pv-toc__list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 2px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 6px 8px 10px;
  border-left: 2px solid transparent;
  font-size: 13px;
  line-height: 1.5;
  color: var(--pv-soft);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background-color var(--dur) var(--ease);
}

.page-privacy .pv-toc__link .mono {
  font-size: 11px;
  color: var(--line-strong);
  transition: color var(--dur) var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--white);
  border-left-color: var(--orange);
  background: rgba(255, 106, 42, 0.06);
}

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

.page-privacy .pv-toc__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .pv-toc__hint {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy .pv-toc__hint .mono {
  color: var(--cyan);
  font-size: 11px;
}

/* ===== 条款正文 ===== */
.page-privacy .pv-doc { min-width: 0; }

.page-privacy .pv-sec {
  padding-block: 26px;
  border-top: 1px solid var(--line);
  scroll-margin-top: 96px;
}

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

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 14px;
}

.page-privacy .pv-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--orange);
  padding-top: 4px;
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-family: var(--font-heading);
  font-weight: 800;
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1.35;
  color: var(--white);
}

.page-privacy .pv-sec p {
  max-width: 72ch;
  margin: 0 0 14px;
  font-size: 15px;
  line-height: 1.95;
  color: var(--pv-soft);
}

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

.page-privacy .pv-sec strong {
  color: var(--white);
  font-weight: 700;
}

.page-privacy .pv-list {
  max-width: 72ch;
  margin: 0 0 16px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 20px;
  margin-bottom: 12px;
  font-size: 15px;
  line-height: 1.9;
  color: var(--pv-soft);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 12px;
  width: 7px;
  height: 7px;
  transform: rotate(45deg);
  border: 1px solid var(--cyan);
}

.page-privacy .pv-key {
  color: var(--white);
  border-bottom: 1px solid var(--gold);
  padding-bottom: 1px;
}

.page-privacy .pv-callout {
  max-width: 72ch;
  margin: 18px 0 0;
  padding: 14px 16px 14px 18px;
  border-left: 2px solid var(--cyan);
  background: var(--ink-800);
  font-size: 14px;
  line-height: 1.85;
  color: var(--pv-soft);
}

.page-privacy .pv-contact {
  max-width: 72ch;
  margin: 18px 0 20px;
  padding: 18px 20px;
  border: 1px solid var(--line);
  background: var(--pv-panel);
}

.page-privacy .pv-contact__label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pv-contact__mail {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.4vw, 19px);
  font-weight: 700;
  color: var(--white);
  word-break: break-all;
}

.page-privacy .pv-contact__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  color: var(--mist);
}

/* ===== 相关说明 ===== */
.page-privacy .pv-related {
  margin-top: 26px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-related__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .pv-related__list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 8px;
}

.page-privacy .pv-related__link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  padding: 12px 14px;
  border: 1px solid var(--line);
  font-size: 14px;
  color: var(--pv-soft);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-privacy .pv-related__link .mono { color: var(--cyan); font-size: 12px; }

.page-privacy .pv-related__link:hover {
  color: var(--white);
  border-color: var(--line-strong);
  transform: translateY(-2px);
}

.page-privacy .pv-related__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ===== 术语注释 ===== */
.page-privacy .pv-notes {
  display: grid;
  gap: 10px;
}

.page-privacy .pv-term {
  border: 1px solid var(--line);
  background: var(--ink-800);
  padding: 14px 16px;
}

.page-privacy .pv-term__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .pv-term__title {
  margin: 6px 0 6px;
  font-family: var(--font-heading);
  font-size: 14px;
  font-weight: 700;
  color: var(--white);
}

.page-privacy .pv-term__desc {
  margin: 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--mist);
}

/* ===== 断点 ===== */
@media (min-width: 720px) {
  .page-privacy .pv-hero__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: start;
  }

  .page-privacy .pv-hero__side { display: block; }

  .page-privacy .pv-toc__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
}

@media (min-width: 980px) {
  .page-privacy .pv-layout {
    grid-template-columns: 200px minmax(0, 1fr) 234px;
    gap: 40px;
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 96px;
  }

  .page-privacy .pv-toc__list { grid-template-columns: minmax(0, 1fr); }

  .page-privacy .pv-notes {
    position: sticky;
    top: 96px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .pv-layout {
    grid-template-columns: 216px minmax(0, 1fr) 264px;
    gap: 52px;
  }
}

@media (max-width: 420px) {
  .page-privacy .pv-toc__list { grid-template-columns: minmax(0, 1fr); }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .pv-related__link {
    transition: none;
  }
  .page-privacy .pv-related__link:hover { transform: none; }
}

@media print {
  .page-privacy {
    background: #ffffff;
    color: #16181d;
  }

  .page-privacy .pv-hero {
    background: none;
    border-bottom: 1px solid #c9cfd8;
  }

  .page-privacy .pv-hero__media,
  .page-privacy .pv-hero__side,
  .page-privacy .pv-hero__facts,
  .page-privacy .pv-toc,
  .page-privacy .pv-notes,
  .page-privacy .pv-related {
    display: none;
  }

  .page-privacy .pv-hero__title,
  .page-privacy .pv-sec__title,
  .page-privacy .pv-sec strong,
  .page-privacy .pv-key,
  .page-privacy .pv-contact__mail {
    color: #10141c;
  }

  .page-privacy .pv-hero__lede,
  .page-privacy .pv-sec p,
  .page-privacy .pv-list li,
  .page-privacy .pv-callout,
  .page-privacy .pv-contact__note {
    color: #2c3340;
  }

  .page-privacy .pv-hero__eyebrow,
  .page-privacy .pv-sec__num {
    color: #7a3a12;
  }

  .page-privacy .pv-layout {
    display: block;
    padding-block: 18px 0;
  }

  .page-privacy .pv-sec {
    border-top: 1px solid #c9cfd8;
    page-break-inside: avoid;
  }

  .page-privacy .pv-callout,
  .page-privacy .pv-contact {
    background: none;
    border: 1px solid #c9cfd8;
  }
}