.page-privacy {
  --pv-measure: 68ch;
  --pv-pad: clamp(24px, 5vw, 64px);
  background: var(--snow);
  color: var(--ink);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  background: var(--blue-900);
  color: var(--snow);
  padding-top: calc(var(--header-h) + clamp(24px, 4vw, 52px));
  overflow: hidden;
}

.page-privacy .pv-hero-inner {
  padding-bottom: clamp(28px, 4vw, 48px);
}

.page-privacy .pv-crumb ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-size: 0.78rem;
  letter-spacing: 0.02em;
}

.page-privacy .pv-crumb li {
  color: var(--blue-400);
}

.page-privacy .pv-crumb li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--blue-400);
}

.page-privacy .pv-crumb a {
  color: var(--snow);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .pv-crumb a:hover {
  color: var(--coral-200);
  border-bottom-color: var(--coral-500);
}

.page-privacy .pv-crumb a:focus-visible {
  outline: 2px solid var(--coral-500);
  outline-offset: 2px;
}

.page-privacy .pv-kicker {
  margin: clamp(26px, 4vw, 44px) 0 0;
  font-size: 0.72rem;
  letter-spacing: 0.22em;
  color: var(--coral-500);
}

.page-privacy h1 {
  margin: 14px 0 0;
  max-width: 20ch;
  font-family: var(--font-sans);
  font-size: clamp(2rem, 7.2vw, 3.5rem);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-privacy .pv-lede {
  margin: 20px 0 0;
  max-width: 58ch;
  font-size: clamp(1rem, 2.3vw, 1.0625rem);
  line-height: 1.8;
  color: var(--ice);
}

.page-privacy .pv-hero-media {
  margin: 0;
  line-height: 0;
  border-top: 1px solid rgba(199, 213, 222, 0.25);
}

.page-privacy .pv-hero-media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(160px, 26vw, 300px);
  object-fit: cover;
  object-position: center;
}

/* ---------- 主体 ---------- */
.page-privacy .pv-body {
  background-color: var(--snow);
  background-image:
    repeating-linear-gradient(45deg, transparent 0 23px, rgba(44, 112, 153, 0.06) 23px 24px),
    repeating-linear-gradient(-45deg, transparent 0 23px, rgba(44, 112, 153, 0.06) 23px 24px);
  background-position: center top;
}

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
  padding: clamp(32px, 6vw, 72px) 0 clamp(48px, 8vw, 96px);
}

/* ---------- 目录 ---------- */
.page-privacy .pv-toc {
  border-top: 2px solid var(--blue-900);
  padding-top: 14px;
  align-self: start;
}

.page-privacy .pv-toc-title {
  margin: 0 0 10px;
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--slate);
}

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

.page-privacy .pv-toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  min-height: 44px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
  font-size: 0.875rem;
  font-weight: 700;
  line-height: 1.4;
  color: var(--blue-700);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .pv-toc-link .mono {
  flex: 0 0 auto;
  font-size: 0.7rem;
  color: var(--blue-400);
  letter-spacing: 0.08em;
  transition: color var(--dur) var(--ease);
}

.page-privacy .pv-toc-link:hover,
.page-privacy .pv-toc-link:hover .mono {
  color: var(--coral-500);
}

.page-privacy .pv-toc-link:hover {
  border-bottom-color: var(--coral-500);
}

.page-privacy .pv-toc-link.is-active,
.page-privacy .pv-toc-link.is-active .mono {
  color: var(--coral-500);
}

.page-privacy .pv-toc-link.is-active {
  border-bottom-color: var(--coral-500);
}

.page-privacy .pv-toc-link:focus-visible {
  outline: 2px solid var(--coral-500);
  outline-offset: 2px;
}

/* ---------- 章节 ---------- */
.page-privacy .pv-section {
  padding-top: clamp(26px, 4vw, 40px);
  border-top: 1px solid var(--line);
}

.page-privacy .pv-section + .pv-section {
  margin-top: clamp(30px, 5vw, 56px);
}

.page-privacy .pv-num {
  margin: 0 0 10px;
  font-size: 0.78rem;
  letter-spacing: 0.22em;
  color: var(--coral-500);
}

.page-privacy .pv-section h2 {
  margin: 0;
  max-width: 26ch;
  font-family: var(--font-sans);
  font-size: clamp(1.4rem, 4vw, 2rem);
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: -0.015em;
  color: var(--blue-900);
}

.page-privacy .pv-p {
  max-width: var(--pv-measure);
  margin: 16px 0 0;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--ink);
}

.page-privacy .pv-p + .pv-p {
  margin-top: 18px;
}

.page-privacy .pv-p a {
  color: var(--blue-700);
  text-decoration: none;
  border-bottom: 1px solid var(--coral-500);
  transition: color var(--dur) var(--ease);
}

.page-privacy .pv-p a:hover {
  color: var(--coral-500);
}

.page-privacy .pv-p a:focus-visible {
  outline: 2px solid var(--coral-500);
  outline-offset: 2px;
}

/* ---------- 折叠细节 ---------- */
.page-privacy .pv-details {
  max-width: var(--pv-measure);
  margin-top: 20px;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-details summary {
  display: flex;
  align-items: center;
  gap: 12px;
  min-height: 44px;
  padding: 12px 0;
  cursor: pointer;
  list-style: none;
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--blue-900);
  transition: color var(--dur) var(--ease);
}

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

.page-privacy .pv-details summary::before {
  content: "+";
  flex: 0 0 auto;
  width: 1.25rem;
  font-family: var(--font-mono);
  font-size: 1.05rem;
  font-weight: 500;
  line-height: 1;
  color: var(--coral-500);
}

.page-privacy .pv-details[open] summary::before {
  content: "–";
}

.page-privacy .pv-details summary:hover {
  color: var(--coral-500);
}

.page-privacy .pv-details summary:focus-visible {
  outline: 2px solid var(--coral-500);
  outline-offset: 2px;
}

.page-privacy .pv-details .pv-p {
  margin-top: 0;
  padding-bottom: 14px;
  color: var(--slate);
  font-size: 0.95rem;
}

/* ---------- 用途列表 ---------- */
.page-privacy .pv-uses {
  counter-reset: pvuse;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--pv-measure);
}

.page-privacy .pv-uses li {
  display: grid;
  grid-template-columns: 2.2rem minmax(0, 1fr);
  column-gap: 8px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-uses li::before {
  counter-increment: pvuse;
  content: counter(pvuse, decimal-leading-zero);
  padding-top: 0.3em;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--coral-500);
}

.page-privacy .pv-uses h3 {
  grid-column: 2;
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--blue-900);
}

.page-privacy .pv-uses .pv-p {
  grid-column: 2;
  margin-top: 6px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 权利步骤 ---------- */
.page-privacy .pv-steps {
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  max-width: var(--pv-measure);
}

.page-privacy .pv-steps li {
  display: grid;
  grid-template-columns: 2.4rem minmax(0, 1fr);
  column-gap: 10px;
  padding: 16px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .pv-step-num {
  padding-top: 0.25em;
  font-size: 0.75rem;
  letter-spacing: 0.08em;
  color: var(--blue-400);
}

.page-privacy .pv-steps h3 {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
  line-height: 1.5;
  color: var(--blue-900);
}

.page-privacy .pv-steps .pv-p {
  margin-top: 6px;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--slate);
}

/* ---------- 收尾区块 ---------- */
.page-privacy .pv-callout {
  margin-top: clamp(26px, 4vw, 40px);
  padding: clamp(22px, 4vw, 36px);
  background: var(--blue-900);
  border-left: 4px solid var(--coral-500);
  color: var(--snow);
}

.page-privacy .pv-callout-title {
  margin: 0;
  font-size: clamp(1.05rem, 2.6vw, 1.25rem);
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: -0.01em;
}

.page-privacy .pv-callout-text {
  margin: 10px 0 0;
  max-width: 46ch;
  font-size: 0.9375rem;
  line-height: 1.75;
  color: var(--ice);
}

.page-privacy .pv-callout .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  margin-top: 18px;
  padding: 0 20px;
  font-size: 0.875rem;
  font-weight: 700;
  text-decoration: none;
  border-radius: 0;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .pv-callout .btn:focus-visible {
  outline: 2px solid var(--coral-200);
  outline-offset: 2px;
}

/* ---------- 桌面 ---------- */
@media (min-width: 900px) {
  .page-privacy .pv-layout {
    grid-template-columns: 204px minmax(0, 1fr);
    column-gap: clamp(48px, 6vw, 88px);
    align-items: start;
  }

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

  .page-privacy .pv-section {
    padding-top: clamp(34px, 3.4vw, 48px);
  }
}

@media (min-width: 1200px) {
  .page-privacy .pv-layout {
    grid-template-columns: 232px minmax(0, 1fr);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc-link,
  .page-privacy .pv-details summary,
  .page-privacy .pv-p a,
  .page-privacy .pv-callout .btn {
    transition-duration: 0.01ms;
  }
}