.page-privacy {
  --pv-text: #D3E2EA;
  --pv-doc: 66ch;
  color: var(--pv-text);
}

.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  list-style: none;
  margin: 24px 0 18px;
  padding: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--mist-400);
}

.page-privacy .breadcrumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line-600);
}

.page-privacy .breadcrumb a {
  color: var(--mist-400);
  text-decoration: none;
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--cyan-400);
}

/* 顶部横幅 */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding: 36px 0 44px;
  background:
    radial-gradient(120% 150% at 8% 0%, var(--cyan-a10), transparent 62%),
    linear-gradient(180deg, var(--ink-900), var(--ink-950));
  border-bottom: 1px solid var(--line-600);
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image: linear-gradient(to right, rgba(23, 69, 92, 0.45) 1px, transparent 1px);
  background-size: 72px 100%;
  opacity: 0.35;
}

.page-privacy .pv-hero-grid {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 30px;
}

.page-privacy .pv-hero h1 {
  margin: 14px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 7vw, 54px);
  line-height: 1.1;
  letter-spacing: 0.01em;
  color: var(--white-100);
  max-width: 22ch;
}

.page-privacy .pv-lede {
  margin: 18px 0 0;
  font-size: 16px;
  line-height: 1.8;
  max-width: 46ch;
  color: var(--pv-text);
}

.page-privacy .pv-meta {
  list-style: none;
  margin: 26px 0 0;
  padding: 18px 0 0;
  border-top: 1px dashed var(--line-600);
  display: grid;
  gap: 12px;
}

.page-privacy .pv-meta li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--mist-400);
}

.page-privacy .pv-meta .mono {
  color: var(--cyan-400);
  font-size: 11px;
  letter-spacing: 0.14em;
}

.page-privacy .pv-hero-media {
  margin: 0;
  border: 1px solid var(--line-600);
  border-radius: var(--radius-m);
  overflow: hidden;
  background: var(--ink-800);
}

.page-privacy .pv-hero-media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
}

/* 正文骨架 */
.page-privacy .pv-body {
  display: grid;
  gap: 28px;
  padding: 36px 0 72px;
}

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

.page-privacy .pv-toc-title {
  margin: 0 0 12px;
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--mist-400);
}

.page-privacy .pv-toc-list {
  list-style: none;
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pv-toc-list li {
  flex: 0 0 auto;
}

.page-privacy .pv-toc-list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 13px;
  border: 1px solid var(--line-600);
  border-radius: 999px;
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  color: var(--mist-400);
  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-list a .mono {
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--line-600);
}

.page-privacy .pv-toc-list a:hover,
.page-privacy .pv-toc-list a:focus-visible {
  color: var(--white-100);
  border-color: var(--cyan-400);
}

.page-privacy .pv-toc-list a[aria-current="true"] {
  color: var(--white-100);
  border-color: var(--cyan-400);
  background: var(--cyan-a10);
}

.page-privacy .pv-toc-list a[aria-current="true"] .mono {
  color: var(--cyan-400);
}

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

.page-privacy .pv-sec {
  padding: 26px 0 6px;
  border-top: 1px solid var(--line-600);
}

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

.page-privacy .pv-sec + .pv-sec {
  margin-top: 26px;
}

.page-privacy .pv-sec h2 {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 23px;
  line-height: 1.25;
  color: var(--white-100);
}

.page-privacy .pv-num {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--cyan-400);
}

.page-privacy .pv-sec p {
  margin: 12px 0 0;
  max-width: var(--pv-doc);
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-text);
}

.page-privacy .pv-sec a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
  text-decoration-thickness: 1px;
}

.page-privacy .pv-sec a:hover,
.page-privacy .pv-sec a:focus-visible {
  color: var(--pale-200);
}

/* 信息类型条目 */
.page-privacy .pv-def {
  margin: 20px 0 0;
  display: grid;
  gap: 18px;
}

.page-privacy .pv-def-item {
  padding: 0 0 0 16px;
  border-left: 1px solid var(--line-600);
}

.page-privacy .pv-def-term,
.page-privacy .pv-def-item dt {
  margin: 0 0 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-400);
}

.page-privacy .pv-def-item dd {
  margin: 0;
  max-width: var(--pv-doc);
  font-size: 16px;
  line-height: 1.8;
  color: var(--pv-text);
}

/* 用途步骤 */
.page-privacy .pv-steps {
  list-style: none;
  counter-reset: pvstep;
  margin: 20px 0 0;
  padding: 0;
  max-width: var(--pv-doc);
}

.page-privacy .pv-steps li {
  counter-increment: pvstep;
  position: relative;
  padding: 14px 0 14px 44px;
  border-top: 1px solid rgba(23, 69, 92, 0.7);
  font-size: 16px;
  line-height: 1.75;
  color: var(--pv-text);
}

.page-privacy .pv-steps li:first-child {
  border-top: 0;
}

.page-privacy .pv-steps li::before {
  content: "0" counter(pvstep);
  position: absolute;
  left: 0;
  top: 16px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--amber-400);
}

.page-privacy .pv-steps strong {
  display: block;
  margin-bottom: 4px;
  font-weight: 600;
  color: var(--white-100);
}

/* 提示条 */
.page-privacy .pv-note {
  margin: 20px 0 0;
  padding: 16px 18px;
  max-width: var(--pv-doc);
  font-size: 15px;
  line-height: 1.75;
  color: var(--pv-text);
  background: var(--amber-a12);
  border-left: 3px solid var(--amber-400);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
}

.page-privacy .pv-note .mono {
  display: block;
  margin-bottom: 6px;
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--amber-400);
}

/* 术语释义 */
.page-privacy .pv-term {
  position: relative;
  display: inline-block;
  color: var(--white-100);
  border-bottom: 1px dashed var(--cyan-400);
  cursor: help;
}

.page-privacy .pv-term-tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 8px);
  width: min(260px, 68vw);
  padding: 10px 12px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--pv-text);
  background: var(--ink-800);
  border: 1px solid var(--line-600);
  border-radius: var(--radius-s);
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity var(--dur) var(--ease), transform var(--dur) var(--ease), visibility var(--dur) var(--ease);
  z-index: 6;
}

.page-privacy .pv-term:hover .pv-term-tip,
.page-privacy .pv-term:focus .pv-term-tip,
.page-privacy .pv-term:focus-within .pv-term-tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 联系方式 */
.page-privacy .pv-contact {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  max-width: var(--pv-doc);
  display: grid;
  gap: 12px;
}

.page-privacy .pv-contact li {
  display: grid;
  grid-template-columns: 84px minmax(0, 1fr);
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 1px solid rgba(23, 69, 92, 0.7);
  font-size: 15px;
  line-height: 1.7;
  color: var(--white-100);
  word-break: break-word;
}

.page-privacy .pv-contact .mono {
  font-size: 11px;
  letter-spacing: 0.12em;
  color: var(--mist-400);
}

.page-privacy .pv-outro {
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px dashed var(--line-600);
  font-family: var(--font-serif);
  font-size: 17px;
  line-height: 1.7;
  color: var(--pale-200);
}

@media (min-width: 720px) {
  .page-privacy .pv-hero {
    padding: 48px 0 56px;
  }

  .page-privacy .pv-sec h2 {
    font-size: 26px;
  }

  .page-privacy .pv-note {
    padding: 18px 22px;
  }
}

@media (min-width: 980px) {
  .page-privacy .pv-hero-grid {
    grid-template-columns: minmax(0, 1.35fr) minmax(0, 1fr);
    align-items: center;
    gap: 48px;
  }

  .page-privacy .pv-hero-media {
    transform: translateY(10px);
  }

  .page-privacy .pv-body {
    grid-template-columns: 220px minmax(0, 1fr);
    gap: 56px;
    padding: 56px 0 96px;
  }

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

  .page-privacy .pv-toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pv-toc-list li {
    flex: 1 1 auto;
  }

  .page-privacy .pv-toc-list a {
    display: flex;
    width: 100%;
    padding: 8px 10px;
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    white-space: normal;
    font-size: 13.5px;
  }

  .page-privacy .pv-toc-list a[aria-current="true"] {
    background: linear-gradient(90deg, var(--cyan-a10), transparent 88%);
  }

  .page-privacy .pv-sec {
    padding-top: 32px;
  }

  .page-privacy .pv-sec + .pv-sec {
    margin-top: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc-list a,
  .page-privacy .pv-term-tip {
    transition: opacity var(--dur) var(--ease);
  }

  .page-privacy .pv-term-tip {
    transform: none;
  }

  .page-privacy .pv-hero-media {
    transform: none;
  }
}

@media print {
  .page-privacy {
    color: #111;
    background: #fff;
  }

  .page-privacy .breadcrumb,
  .page-privacy .pv-toc,
  .page-privacy .pv-hero::after,
  .page-privacy .pv-hero-media {
    display: none;
  }

  .page-privacy .pv-hero {
    padding: 0 0 14px;
    background: none;
    border-bottom: 1px solid #999;
  }

  .page-privacy .pv-body {
    display: block;
    padding: 12px 0 0;
  }

  .page-privacy .pv-hero h1,
  .page-privacy .pv-sec h2,
  .page-privacy .pv-steps strong,
  .page-privacy .pv-contact li {
    color: #000;
  }

  .page-privacy .pv-lede,
  .page-privacy .pv-sec p,
  .page-privacy .pv-def-item dd,
  .page-privacy .pv-steps li,
  .page-privacy .pv-note,
  .page-privacy .pv-outro {
    color: #111;
  }

  .page-privacy .pv-num,
  .page-privacy .pv-def-item dt,
  .page-privacy .pv-meta .mono,
  .page-privacy .pv-steps li::before {
    color: #333;
  }

  .page-privacy .pv-note {
    background: none;
    border-left: 2px solid #777;
  }

  .page-privacy .pv-sec {
    break-inside: avoid;
    border-top: 1px solid #bbb;
    padding-top: 14px;
  }

  .page-privacy .pv-sec + .pv-sec {
    margin-top: 14px;
  }

  .page-privacy .pv-term {
    border-bottom: 0;
    color: #111;
  }

  .page-privacy .pv-term-tip {
    display: none;
  }
}