.page-privacy {
  --pv-gap: clamp(30px, 5vw, 60px);
  --pv-side: 240px;
  color: var(--c-white);
  padding-bottom: clamp(60px, 10vw, 120px);
}

/* ---------- 页首 ---------- */
.page-privacy .pv-masthead {
  padding-top: calc(var(--header-h) + clamp(30px, 6vw, 66px));
}

.page-privacy .pv-masthead__inner {
  display: grid;
  gap: 16px;
}

.page-privacy .pv-title {
  margin: 0;
  max-width: 24ch;
  font-family: var(--font-heading);
  font-size: clamp(34px, 7vw, 68px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.015em;
  color: var(--c-white);
}

.page-privacy .pv-lede {
  margin: 0;
  max-width: 68ch;
  color: var(--c-grey);
  font-size: clamp(15.5px, 1.6vw, 18px);
  line-height: 1.78;
}

.page-privacy .pv-meta {
  list-style: none;
  margin: 6px 0 0;
  padding: 18px 0 0;
  border-top: 1px solid var(--c-line);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 36px;
}

.page-privacy .pv-meta li {
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.06em;
  color: var(--c-grey);
  word-break: break-word;
}

.page-privacy .pv-meta__k {
  display: inline-block;
  margin-right: 10px;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
}

/* ---------- 首屏视觉 ---------- */
.page-privacy .pv-hero {
  margin-top: clamp(28px, 5vw, 56px);
  border-top: 1px solid var(--c-line);
  border-bottom: 1px solid var(--c-line);
  background:
    linear-gradient(180deg, rgba(0, 229, 255, 0.06), rgba(139, 92, 246, 0.05)),
    var(--c-bg);
}

.page-privacy .pv-hero img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 9;
  max-height: 58vh;
  object-fit: cover;
  object-position: center;
  opacity: 0.92;
  filter: saturate(0.85);
}

/* ---------- 主体栅格 ---------- */
.page-privacy .pv-layout {
  margin-top: clamp(40px, 7vw, 84px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--pv-gap);
}

@media (min-width: 980px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-side) minmax(0, 1fr);
    gap: clamp(40px, 6vw, 96px);
  }
}

/* ---------- 侧边目录 ---------- */
.page-privacy .pv-toc {
  align-self: start;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  padding: 16px 16px 18px;
}

.page-privacy .pv-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-cyan);
}

.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: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 10px;
  border: 1px solid var(--c-line);
  color: var(--c-grey);
  font-size: 13.5px;
  line-height: 1.4;
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--c-white);
  border-color: rgba(0, 229, 255, 0.6);
  background: rgba(0, 229, 255, 0.07);
}

.page-privacy .pv-toc__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--c-cyan);
}

@media (min-width: 980px) {
  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    background: transparent;
    padding: 18px 0 0;
  }

  .page-privacy .pv-toc__list {
    display: grid;
    gap: 0;
  }

  .page-privacy .pv-toc__link {
    display: flex;
    border: 0;
    border-left: 2px solid var(--c-line);
    padding: 10px 0 10px 12px;
    font-size: 14px;
  }

  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    border-left-color: var(--c-cyan);
    background: linear-gradient(90deg, rgba(0, 229, 255, 0.09), transparent 80%);
  }
}

/* ---------- 章节 ---------- */
.page-privacy .pv-body {
  min-width: 0;
  display: grid;
  gap: clamp(34px, 5.5vw, 64px);
}

.page-privacy .pv-sec {
  padding-top: clamp(22px, 3.6vw, 36px);
  border-top: 1px solid var(--c-line);
  scroll-margin-top: calc(var(--header-h) + 26px);
}

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

.page-privacy .pv-sec__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.12em;
  color: var(--c-cyan);
  border: 1px solid rgba(0, 229, 255, 0.35);
  padding: 4px 8px;
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(21px, 3.2vw, 32px);
  font-weight: 800;
  line-height: 1.22;
  letter-spacing: -0.01em;
  color: var(--c-white);
}

.page-privacy .pv-sec p {
  margin: 0 0 16px;
  max-width: 74ch;
  color: var(--c-grey);
  font-size: 16px;
  line-height: 1.78;
}

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

.page-privacy .pv-body a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(0, 229, 255, 0.4);
}

.page-privacy .pv-body a:hover,
.page-privacy .pv-body a:focus-visible {
  color: #8df2ff;
  border-bottom-color: var(--c-cyan);
}

.page-privacy .pv-sec p.pv-note {
  border-left: 2px solid var(--c-line);
  padding-left: 14px;
  font-size: 14px;
  line-height: 1.72;
  color: #7d8ba0;
}

/* ---------- 分类行 ---------- */
.page-privacy .pv-rows {
  list-style: none;
  margin: 6px 0 18px;
  padding: 0;
  border: 1px solid var(--c-line);
  background: linear-gradient(160deg, rgba(14, 22, 38, 0.95), rgba(14, 22, 38, 0.42));
}

.page-privacy .pv-row {
  display: grid;
  gap: 6px;
  padding: 15px 16px;
  border-bottom: 1px solid var(--c-line);
}

.page-privacy .pv-row:last-child {
  border-bottom: 0;
}

.page-privacy .pv-row__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-mint);
}

.page-privacy .pv-row__val {
  color: var(--c-grey);
  font-size: 15px;
  line-height: 1.72;
}

@media (min-width: 760px) {
  .page-privacy .pv-row {
    grid-template-columns: 160px minmax(0, 1fr);
    gap: 22px;
    align-items: start;
    padding: 18px 20px;
  }
}

/* ---------- 要点列表 ---------- */
.page-privacy .pv-list {
  list-style: none;
  margin: 4px 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 20px;
  max-width: 76ch;
  color: var(--c-grey);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.74em;
  width: 9px;
  height: 1px;
  background: var(--c-cyan);
  box-shadow: 0 0 6px rgba(0, 229, 255, 0.8);
}

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

/* ---------- 数据链路图 ---------- */
.page-privacy .pv-chain {
  display: block;
  box-sizing: border-box;
  width: 100%;
  height: auto;
  margin: 8px 0 22px;
  padding: 6px 8px;
  border: 1px solid var(--c-line);
  background: rgba(14, 22, 38, 0.55);
}

/* ---------- 卡片组 ---------- */
.page-privacy .pv-grid {
  display: grid;
  gap: 12px;
  margin: 6px 0 0;
}

@media (min-width: 700px) {
  .page-privacy .pv-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-privacy .pv-card {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--c-line);
  background: var(--c-panel);
  padding: 16px 16px 18px;
}

.page-privacy .pv-card::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--c-cyan), rgba(0, 229, 255, 0));
}

.page-privacy .pv-card h3 {
  margin: 0 0 8px;
  font-size: 16.5px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--c-white);
}

.page-privacy .pv-sec .pv-card p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
}

/* ---------- 联系信息 ---------- */
.page-privacy .pv-contact {
  display: grid;
  gap: 1px;
  margin: 6px 0 18px;
  border: 1px solid var(--c-line);
  background: var(--c-line);
}

@media (min-width: 700px) {
  .page-privacy .pv-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

.page-privacy .pv-contact__item {
  display: grid;
  gap: 6px;
  background: var(--c-panel);
  padding: 14px 16px;
}

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

.page-privacy .pv-contact__value {
  color: var(--c-white);
  font-size: 16px;
  line-height: 1.5;
  word-break: break-word;
}

/* ---------- 打印 ---------- */
@media print {
  .page-privacy .pv-hero,
  .page-privacy .pv-toc {
    display: none;
  }

  .page-privacy .pv-title,
  .page-privacy .pv-sec__title,
  .page-privacy .pv-list li strong,
  .page-privacy .pv-card h3,
  .page-privacy .pv-contact__value {
    color: #000;
  }

  .page-privacy .pv-sec p,
  .page-privacy .pv-list li,
  .page-privacy .pv-row__val {
    color: #222;
  }
}