.page-privacy {
  --pv-doc-max: 820px;
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .breadcrumb {
  margin-top: clamp(18px, 3vw, 28px);
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(24px, 4vw, 44px) clamp(18px, 3vw, 30px);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(var(--line-soft) 1px, transparent 1px),
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px);
  background-size: 56px 56px;
  -webkit-mask-image: radial-gradient(130% 100% at 78% 0%, #000 12%, transparent 72%);
  mask-image: radial-gradient(130% 100% at 78% 0%, #000 12%, transparent 72%);
  pointer-events: none;
}

.page-privacy .pv-hero-grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(20px, 3vw, 36px);
  align-items: center;
}

.page-privacy .pv-hero-copy .label {
  color: var(--cyan);
}

.page-privacy .pv-hero h1 {
  margin: 12px 0 0;
  font-size: clamp(30px, 6.4vw, 52px);
  line-height: 1.16;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: var(--text);
  max-width: 18em;
}

.page-privacy .pv-lede {
  margin: 16px 0 0;
  max-width: 56ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--slate);
}

.page-privacy .pv-meta {
  margin: 18px 0 0;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--mist);
  border-left: 2px solid var(--cyan);
  padding-left: 10px;
}

.page-privacy .pv-hero-figure {
  margin: 0;
  border: 1px solid var(--line-strong);
  border-radius: var(--radius-l);
  overflow: hidden;
  background: var(--ink-800);
  box-shadow: 0 24px 60px -40px rgba(61, 231, 255, 0.55);
}

.page-privacy .pv-hero-figure img {
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 三条速览 ---------- */

.page-privacy .pv-briefs {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin-top: clamp(22px, 3.5vw, 36px);
}

.page-privacy .pv-brief {
  background: var(--ink-800);
  border: 1px solid var(--line);
  border-left: 3px solid var(--amber);
  border-radius: var(--radius-m);
  padding: 13px 15px;
  transition: border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-privacy .pv-brief:hover {
  border-color: var(--line-strong);
  background: var(--ink-700);
}

.page-privacy .pv-brief[open] {
  border-left-color: var(--cyan);
}

.page-privacy .pv-brief summary {
  display: flex;
  align-items: baseline;
  gap: 10px;
  list-style: none;
  cursor: pointer;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.page-privacy .pv-brief summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-brief summary::after {
  content: "+";
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 15px;
  color: var(--cyan);
}

.page-privacy .pv-brief[open] summary::after {
  content: "−";
  color: var(--amber);
}

.page-privacy .pv-brief-num {
  font-size: 11px;
  color: var(--mist);
  letter-spacing: 0.1em;
}

.page-privacy .pv-brief p {
  margin: 10px 0 0;
  padding-top: 10px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 双栏：目录 + 文档 ---------- */

.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 36px);
  align-items: start;
  margin-top: clamp(22px, 4vw, 40px);
}

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

.page-privacy .pv-toc-title {
  margin: 0 0 10px;
  color: var(--mist);
  font-size: 11px;
}

.page-privacy .pv-toc-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .pv-toc-link {
  display: flex;
  align-items: baseline;
  gap: 7px;
  padding: 6px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  font-size: 12.5px;
  line-height: 1.4;
  color: var(--slate);
  text-decoration: none;
  transition: color 0.18s var(--ease), background-color 0.18s var(--ease), border-color 0.18s var(--ease);
}

.page-privacy .pv-toc-link:hover,
.page-privacy .pv-toc-link:focus-visible {
  color: var(--text);
  background: var(--ink-700);
  border-color: var(--cyan);
}

.page-privacy .pv-toc-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* ---------- 暖纸文档 ---------- */

.page-privacy .pv-doc {
  background: var(--paper);
  color: var(--ink-text);
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-l);
  padding: clamp(22px, 4vw, 46px);
  max-width: var(--pv-doc-max);
}

.page-privacy .pv-section + .pv-section {
  margin-top: clamp(26px, 3.6vw, 40px);
  padding-top: clamp(22px, 3vw, 34px);
  border-top: 1px solid var(--paper-line);
}

.page-privacy .pv-section-head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-privacy .pv-sec-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: #8a5a2b;
  border: 1px solid rgba(138, 90, 43, 0.4);
  border-radius: var(--radius-s);
  padding: 2px 6px;
}

.page-privacy .pv-doc h2 {
  margin: 0;
  font-size: clamp(19px, 2.6vw, 25px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--ink-text);
}

.page-privacy .pv-doc p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: rgba(10, 29, 54, 0.88);
  max-width: 62ch;
}

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

.page-privacy .pv-doc a {
  color: #0d4d6b;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-decoration-color: rgba(13, 77, 107, 0.4);
  text-underline-offset: 3px;
  transition: color 0.18s var(--ease), text-decoration-color 0.18s var(--ease);
}

.page-privacy .pv-doc a:hover,
.page-privacy .pv-doc a:focus-visible {
  color: #06293c;
  text-decoration-color: currentColor;
}

/* 定义列表 */

.page-privacy .pv-defs {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
  margin: 16px 0 0;
}

.page-privacy .pv-def {
  border-left: 2px solid var(--paper-line);
  padding-left: 13px;
}

.page-privacy .pv-def dt {
  font-size: 14px;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--ink-text);
}

.page-privacy .pv-def dd {
  margin: 4px 0 0;
  font-size: 14px;
  line-height: 1.8;
  color: rgba(10, 29, 54, 0.78);
}

/* 深色摘录条 */

.page-privacy .pv-callout {
  margin-top: 20px;
  background: var(--ink-800);
  border-left: 3px solid var(--cyan);
  border-radius: var(--radius-m);
  padding: 18px clamp(15px, 3vw, 24px);
  color: var(--text);
}

.page-privacy .pv-callout .label {
  margin: 0;
  color: var(--cyan);
  font-size: 11px;
}

.page-privacy .pv-steps {
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  margin: 12px 0 0;
  padding: 0;
}

.page-privacy .pv-steps li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text);
}

.page-privacy .pv-steps .num {
  font-size: 11px;
  color: var(--amber);
  letter-spacing: 0.1em;
}

.page-privacy .pv-callout-note {
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px solid var(--line);
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--slate);
  max-width: none;
}

.page-privacy .pv-callout-note a {
  color: var(--mist);
  text-decoration-color: rgba(159, 234, 245, 0.45);
}

.page-privacy .pv-callout-note a:hover,
.page-privacy .pv-callout-note a:focus-visible {
  color: var(--cyan);
}

/* 联系信息 */

.page-privacy .pv-contact {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 16px 18px;
  border: 1px solid var(--paper-line);
  border-radius: var(--radius-m);
  background: rgba(255, 255, 255, 0.4);
}

.page-privacy .pv-contact-row {
  display: grid;
  grid-template-columns: 76px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
}

.page-privacy .pv-contact-row dt {
  font-size: 11.5px;
  letter-spacing: 0.1em;
  color: #7a6a4e;
}

.page-privacy .pv-contact-row dd {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--ink-text);
  word-break: break-word;
}

.page-privacy .pv-footnote {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.75;
  color: rgba(10, 29, 54, 0.66);
}

.page-privacy .pv-backtop {
  margin: clamp(24px, 4vw, 36px) 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--paper-line);
  text-align: right;
}

.page-privacy .pv-backtop a {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: #0d4d6b;
  text-decoration: none;
  border-bottom: 1px solid rgba(13, 77, 107, 0.4);
  padding-bottom: 2px;
}

.page-privacy .pv-backtop a:hover,
.page-privacy .pv-backtop a:focus-visible {
  color: #06293c;
  border-bottom-color: currentColor;
}

/* ---------- 断点 ---------- */

@media (min-width: 720px) {
  .page-privacy .pv-briefs {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pv-defs {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px 20px;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-hero-grid {
    grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  }
}

@media (min-width: 1024px) {
  .page-privacy .pv-body {
    grid-template-columns: 214px minmax(0, 1fr);
    gap: 40px;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 24px;
  }

  .page-privacy .pv-toc-list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-privacy .pv-toc-link {
    border: 1px solid transparent;
    border-left: 2px solid transparent;
    border-radius: var(--radius-s);
    padding: 8px 10px;
    font-size: 13px;
  }

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

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-brief,
  .page-privacy .pv-toc-link,
  .page-privacy .pv-doc a {
    transition: none;
  }
}
<<<END>>>