.page-privacy {
  --pv-rail: 232px;
  padding-bottom: clamp(2.5rem, 6vw, 4.5rem);
}

.page-privacy .crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.5rem;
  padding-block: clamp(1rem, 3vw, 1.6rem);
  font-family: var(--font-mono);
  font-size: 0.74rem;
  letter-spacing: 0.1em;
  color: var(--fog);
}

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

.page-privacy .crumbs a:hover {
  color: var(--pulse);
}

/* ---------- hero ---------- */
.page-privacy .pv-hero {
  padding-block: clamp(1.25rem, 4vw, 2.5rem) clamp(1.75rem, 5vw, 3rem);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero h1 {
  margin: 0.7rem 0 0;
  max-width: 24ch;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.95rem, 5.4vw, 3.5rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .pv-hero .lede {
  margin: clamp(1rem, 2.5vw, 1.4rem) 0 0;
  max-width: 64ch;
  font-size: clamp(1rem, 1.5vw, 1.08rem);
  line-height: 1.78;
  color: var(--mist);
}

.page-privacy .pv-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: clamp(1.5rem, 4vw, 2.5rem) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-fact {
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  padding: 1rem 1.1rem;
  background: var(--ink-900);
}

.page-privacy .pv-fact__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--fog);
}

.page-privacy .pv-fact__val {
  font-family: var(--font-mono);
  font-size: 1.08rem;
  letter-spacing: 0.02em;
  color: var(--pulse);
}

/* ---------- layout ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 4vw, 2.75rem);
  padding-top: clamp(1.75rem, 5vw, 3rem);
}

.page-privacy .pv-toc {
  padding: 0.9rem 1rem 1rem;
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.page-privacy .pv-toc__label {
  margin: 0 0 0.7rem;
  font-family: var(--font-mono);
  font-size: 0.7rem;
  letter-spacing: 0.2em;
  color: var(--fog);
}

.page-privacy .pv-toc__list {
  display: flex;
  gap: 0.4rem;
  margin: 0;
  padding: 0 0 0.2rem;
  list-style: none;
  overflow-x: auto;
}

.page-privacy .pv-toc__link {
  display: grid;
  grid-template-columns: 1.9rem minmax(0, 1fr);
  align-items: baseline;
  gap: 0.4rem;
  padding: 0.55rem 0.65rem;
  min-width: max-content;
  border-left: 2px solid transparent;
  color: var(--mist);
  font-size: 0.85rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
}

.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--fog);
}

.page-privacy .pv-toc__link:hover {
  background: var(--ink-600);
  color: var(--paper);
}

.page-privacy .pv-toc__link[aria-current="true"] {
  border-left-color: var(--pulse);
  background: var(--ink-600);
  color: var(--pulse);
}

.page-privacy .pv-toc__link[aria-current="true"] .pv-toc__num {
  color: var(--pulse);
}

/* ---------- chapters ---------- */
.page-privacy .pv-chapter {
  position: relative;
  padding-block: clamp(1.75rem, 5vw, 3rem);
  border-top: 1px solid var(--line);
}

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

.page-privacy .chapter__num {
  position: absolute;
  top: clamp(1.5rem, 4vw, 2.5rem);
  right: 0;
  font-family: var(--font-mono);
  font-size: clamp(2.4rem, 6vw, 4.2rem);
  line-height: 1;
  letter-spacing: 0.02em;
  color: rgba(242, 246, 251, 0.12);
  pointer-events: none;
  user-select: none;
}

.page-privacy .chapter__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  color: var(--pulse);
}

.page-privacy .chapter__title {
  margin: 0.5rem 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.5rem, 3.2vw, 2.15rem);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .chapter__lead {
  margin: 0.75rem 0 0;
  max-width: 58ch;
  font-size: clamp(0.98rem, 1.4vw, 1.06rem);
  line-height: 1.72;
  color: var(--mist);
}

.page-privacy .chapter__body {
  margin-top: clamp(1.1rem, 3vw, 1.75rem);
}

.page-privacy .chapter__body > p {
  margin: 0 0 1rem;
  max-width: 68ch;
  font-size: 0.98rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-privacy .chapter__body > p:last-child {
  margin-bottom: 0;
}

.page-privacy .pv-key {
  padding-left: 0.9rem;
  border-left: 2px solid var(--pulse);
  font-size: 1rem;
  color: var(--paper);
}

/* ---------- 三类信息 ---------- */
.page-privacy .pv-points {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-point {
  padding: clamp(1.05rem, 2vw, 1.4rem);
  background: var(--ink-800);
}

.page-privacy .pv-point h3 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 1.02rem;
  letter-spacing: 0.01em;
  color: var(--paper);
}

.page-privacy .pv-point p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 数据条 ---------- */
.page-privacy .pv-strip {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 1.25rem 0;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-strip .strip__cell {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.9rem 1rem;
  background: var(--ink-900);
}

.page-privacy .pv-strip .strip__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--fog);
}

.page-privacy .pv-strip .strip__val {
  font-family: var(--font-mono);
  font-size: 0.98rem;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .pv-strip .strip__val--pulse {
  color: var(--pulse);
}

/* ---------- 图片 ---------- */
.page-privacy .figure {
  margin: clamp(1.25rem, 3vw, 1.9rem) 0;
  background: var(--ink-800);
  border: 1px solid var(--line);
}

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

.page-privacy .figure__caption {
  padding: 0.7rem 0.95rem;
  border-top: 1px solid var(--line);
  font-size: 0.8rem;
  line-height: 1.6;
  color: var(--fog);
}

/* ---------- 步骤列表 ---------- */
.page-privacy .pv-steps {
  counter-reset: pvstep;
  display: grid;
  gap: 0.85rem;
  margin: 0 0 1.1rem;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-steps li {
  counter-increment: pvstep;
  display: grid;
  grid-template-columns: 2.1rem minmax(0, 1fr);
  gap: 0.85rem;
  align-items: start;
  font-size: 0.96rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-privacy .pv-steps li::before {
  content: counter(pvstep, decimal-leading-zero);
  padding-top: 0.22em;
  border-top: 1px solid var(--pulse);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.06em;
  color: var(--pulse);
}

/* ---------- 分段切换 ---------- */
.page-privacy .pv-seg {
  border: 1px solid var(--line);
  background: var(--ink-800);
}

.page-privacy .pv-seg__tab {
  cursor: pointer;
}

.page-privacy .pv-seg__panel {
  padding: clamp(1rem, 2.4vw, 1.4rem);
  font-size: 0.96rem;
  line-height: 1.78;
  color: var(--mist);
}

.page-privacy .pv-seg__panel p {
  margin: 0;
  max-width: 68ch;
}

/* ---------- 安全措施 ---------- */
.page-privacy .pv-measures {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-measure {
  padding: clamp(1rem, 2vw, 1.3rem);
  background: var(--ink-900);
}

.page-privacy .pv-measure h3 {
  margin: 0 0 0.45rem;
  font-family: var(--font-mono);
  font-weight: 500;
  font-size: 0.86rem;
  letter-spacing: 0.08em;
  color: var(--pulse);
}

.page-privacy .pv-measure p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--mist);
}

/* ---------- 折叠块 ---------- */
.page-privacy .pv-fold {
  margin: 1.1rem 0;
  background: var(--ink-800);
  border: 1px solid var(--line);
}

.page-privacy .pv-fold summary {
  padding: 0.85rem 1rem;
  cursor: pointer;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.08em;
  color: var(--pulse);
}

.page-privacy .pv-fold[open] summary {
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-fold__body {
  padding: 1rem 1.15rem 1.2rem;
}

.page-privacy .pv-list {
  display: grid;
  gap: 0.6rem;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 1.5rem;
  font-size: 0.94rem;
  line-height: 1.72;
  color: var(--mist);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 0.65rem;
  height: 1px;
  background: var(--pulse);
}

/* ---------- 联系块 ---------- */
.page-privacy .pv-contact {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 0.5rem;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-contact__item {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  padding: 0.95rem 1.05rem;
  background: var(--ink-900);
}

.page-privacy .pv-contact__key {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--fog);
}

.page-privacy .pv-contact__val {
  font-size: 0.96rem;
  line-height: 1.6;
  color: var(--paper);
}

.page-privacy .pv-contact__val--mono {
  font-family: var(--font-mono);
  letter-spacing: 0.02em;
  word-break: break-all;
}

/* ---------- 相关页面 ---------- */
.page-privacy .pv-related {
  margin-top: clamp(2rem, 5vw, 3rem);
  padding-top: clamp(1.5rem, 4vw, 2.25rem);
  border-top: 1px solid var(--line);
}

.page-privacy .pv-related__title {
  margin: 0 0 1rem;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.15rem, 2.2vw, 1.45rem);
  letter-spacing: -0.01em;
  color: var(--paper);
}

.page-privacy .pv-links {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-links a {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 1rem 1.05rem;
  background: var(--ink-900);
  font-size: 0.94rem;
  line-height: 1.5;
  color: var(--paper);
  text-decoration: none;
}

.page-privacy .pv-links a::after {
  content: "→";
  font-family: var(--font-mono);
  color: var(--pulse);
}

.page-privacy .pv-links a:hover {
  background: var(--ink-800);
  color: var(--pulse);
}

/* ---------- 断点 ---------- */
@media (min-width: 700px) {
  .page-privacy .pv-facts {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

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

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

  .page-privacy .pv-measures {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-privacy .pv-links {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--masthead-h) + 1.5rem);
  }

  .page-privacy .pv-toc__list {
    display: grid;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pv-toc__link {
    min-width: 0;
    white-space: normal;
  }
}

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