.page-privacy {
  --pv-measure: 38em;
  --pv-leading: 1.9;
  --pv-gap: 1.8em;
  display: block;
  background: var(--ink);
  color: var(--text);
}

/* ---------- 页首 ---------- */
.page-privacy .pv-masthead {
  position: relative;
  overflow: hidden;
  padding: calc(var(--header-h) + clamp(40px, 7vw, 88px)) 0 clamp(28px, 4vw, 48px);
}

.page-privacy .pv-masthead__texture {
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.25;
  background-image:
    linear-gradient(to right, var(--grid-line) 1px, transparent 1px),
    linear-gradient(to bottom, var(--grid-line) 1px, transparent 1px);
  background-size: var(--grid-size) var(--grid-size);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), transparent 76%);
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.95), transparent 76%);
}

.page-privacy .pv-masthead__inner {
  position: relative;
  z-index: 1;
}

.page-privacy .pv-title {
  margin: clamp(10px, 2vw, 18px) 0 0;
  font-family: var(--font-condensed);
  font-size: clamp(40px, 8vw, 92px);
  font-weight: 700;
  letter-spacing: -0.035em;
  line-height: 1.02;
}

.page-privacy .pv-lede {
  max-width: 34em;
  margin: clamp(18px, 3vw, 28px) 0 0;
  font-family: var(--font-body);
  font-size: clamp(16px, 1.6vw, 18px);
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: clamp(20px, 3vw, 30px) 0 0;
}

.page-privacy .pv-meta__sep {
  width: 32px;
  height: 1px;
  background: var(--grid-line);
}

.page-privacy .pv-meta__note {
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--muted);
}

/* 版本号 + 悬停修订说明 */
.page-privacy .pv-ver {
  position: relative;
  display: inline-block;
  outline: none;
  cursor: help;
}

.page-privacy .pv-ver__code {
  display: inline-block;
  padding: 5px 12px;
  border: 1px solid var(--amber-24);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  color: var(--amber);
  transition: border-color var(--fast) var(--ease), background-color var(--fast) var(--ease);
}

.page-privacy .pv-ver:hover .pv-ver__code,
.page-privacy .pv-ver:focus .pv-ver__code,
.page-privacy .pv-ver:focus-within .pv-ver__code {
  border-color: var(--amber);
  background-color: var(--amber-12);
}

.page-privacy .pv-ver:focus-visible .pv-ver__code {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-privacy .pv-ver__tip {
  position: absolute;
  left: 0;
  top: calc(100% + 10px);
  z-index: 6;
  width: min(300px, 74vw);
  padding: 12px 14px;
  background: var(--panel);
  border: 1px solid var(--grid-line);
  border-left: 2px solid var(--cyan);
  font-family: var(--font-body);
  font-size: 13px;
  font-weight: 400;
  line-height: 1.75;
  letter-spacing: 0.03em;
  color: var(--muted);
  opacity: 0;
  visibility: hidden;
  transition: opacity var(--base) var(--ease), visibility var(--base) var(--ease);
}

.page-privacy .pv-ver:hover .pv-ver__tip,
.page-privacy .pv-ver:focus .pv-ver__tip,
.page-privacy .pv-ver:focus-within .pv-ver__tip {
  opacity: 1;
  visibility: visible;
}

/* ---------- 顶部抽象纹理带 ---------- */
.page-privacy .pv-banner {
  position: relative;
  overflow: hidden;
  border-top: 1px solid var(--grid-line);
  border-bottom: 1px solid var(--grid-line);
  opacity: 0.4;
}

.page-privacy .pv-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1400 / 600;
  object-fit: cover;
  filter: saturate(0.5) brightness(0.72);
}

/* ---------- 正文网格 ---------- */
.page-privacy .pv-body {
  display: flex;
  flex-direction: column;
  gap: clamp(32px, 5vw, 56px);
  max-width: var(--maxw);
  margin: 0 auto;
  padding: clamp(40px, 6vw, 72px) var(--page-x) clamp(64px, 9vw, 112px);
}

.page-privacy .pv-article {
  max-width: var(--pv-measure);
}

/* ---------- 章节 ---------- */
.page-privacy .pv-sec {
  padding: clamp(26px, 3.6vw, 42px) 0;
}

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

.page-privacy .pv-sec + .pv-sec {
  border-top: 1px solid var(--grid-line);
}

.page-privacy .pv-sec__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-family: var(--font-condensed);
  font-size: clamp(20px, 2.3vw, 28px);
  font-weight: 600;
  letter-spacing: -0.01em;
  line-height: 1.3;
  color: var(--text);
}

.page-privacy .pv-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--amber);
  transform: translateY(-2px);
}

.page-privacy .pv-p {
  margin: 0 0 var(--pv-gap);
  font-family: var(--font-body);
  font-size: 17px;
  line-height: var(--pv-leading);
  letter-spacing: 0.01em;
  color: var(--text);
}

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

.page-privacy .pv-p a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  padding-bottom: 1px;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
}

.page-privacy .pv-p a:hover,
.page-privacy .pv-p a:focus-visible {
  color: var(--amber);
  border-bottom-color: var(--amber);
}

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

/* ---------- 分组 ---------- */
.page-privacy .pv-group {
  margin: 0 0 var(--pv-gap);
  border-left: 1px solid var(--grid-line);
  padding-left: clamp(14px, 2vw, 22px);
}

.page-privacy .pv-group__label {
  margin: 0 0 0.8em;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

/* ---------- 列表 ---------- */
.page-privacy .pv-list {
  margin: 0 0 var(--pv-gap);
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 22px;
  font-family: var(--font-body);
  font-size: 17px;
  line-height: var(--pv-leading);
  letter-spacing: 0.01em;
  color: var(--text);
}

.page-privacy .pv-list li + li {
  margin-top: 0.5em;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.86em;
  width: 10px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .pv-list--contact li::before {
  background: var(--amber);
}

.page-privacy .pv-list--contact li {
  font-family: var(--font-mono);
  font-size: 15px;
  letter-spacing: 0.02em;
}

/* ---------- 收束注 ---------- */
.page-privacy .pv-note {
  margin: 0;
  padding-top: 14px;
  border-top: 1px solid var(--grid-line);
  font-family: var(--font-body);
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.05em;
  color: var(--muted);
}

/* ---------- 目录 ---------- */
.page-privacy .pv-aside {
  order: -1;
}

.page-privacy .pv-toc__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.2em;
  color: var(--muted);
}

.page-privacy .pv-toc ol {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scrollbar-width: thin;
}

.page-privacy .pv-toc li {
  flex: none;
}

.page-privacy .pv-toc__link {
  display: block;
  white-space: nowrap;
  padding: 7px 12px;
  border: 1px solid var(--grid-line);
  font-family: var(--font-body);
  font-size: 13px;
  letter-spacing: 0.04em;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease), background-color var(--fast) var(--ease);
}

.page-privacy .pv-toc__link:hover,
.page-privacy .pv-toc__link:focus-visible {
  color: var(--amber);
  border-color: var(--amber);
  background-color: var(--amber-12);
}

.page-privacy .pv-toc__link:focus-visible {
  outline: 2px solid var(--amber);
  outline-offset: 2px;
}

.page-privacy .pv-up {
  display: none;
}

/* ---------- 大屏：右侧留白区固定 ---------- */
@media (min-width: 1080px) {
  .page-privacy .pv-body {
    display: grid;
    grid-template-columns: minmax(0, 1fr) 200px;
    gap: 72px;
    align-items: start;
  }

  .page-privacy .pv-article {
    grid-column: 1;
    grid-row: 1;
  }

  .page-privacy .pv-aside {
    grid-column: 2;
    grid-row: 1;
    order: 0;
    position: sticky;
    top: calc(var(--header-h) + 36px);
    align-self: start;
  }

  .page-privacy .pv-toc ol {
    display: block;
    overflow: visible;
    padding: 0;
  }

  .page-privacy .pv-toc li + li {
    margin-top: 10px;
  }

  .page-privacy .pv-toc__link {
    white-space: normal;
    padding: 3px 0 3px 12px;
    border: 0;
    border-left: 1px solid var(--grid-line);
    line-height: 1.5;
  }

  .page-privacy .pv-toc__link:hover,
  .page-privacy .pv-toc__link:focus-visible {
    background-color: transparent;
    border-left-color: var(--amber);
  }

  .page-privacy .pv-up {
    display: inline-block;
    margin-top: 30px;
    padding-bottom: 2px;
    font-family: var(--font-mono);
    font-size: 12px;
    letter-spacing: 0.1em;
    color: var(--muted);
    text-decoration: none;
    border-bottom: 1px solid transparent;
    transition: color var(--fast) var(--ease), border-color var(--fast) var(--ease);
  }

  .page-privacy .pv-up:hover,
  .page-privacy .pv-up:focus-visible {
    color: var(--amber);
    border-bottom-color: var(--amber);
  }

  .page-privacy .pv-up:focus-visible {
    outline: 2px solid var(--amber);
    outline-offset: 2px;
  }
}

@media (min-width: 1360px) {
  .page-privacy .pv-body {
    grid-template-columns: minmax(0, 1fr) 224px;
    gap: 96px;
  }
}

/* ---------- 窄屏收束 ---------- */
@media (max-width: 600px) {
  .page-privacy .pv-lede,
  .page-privacy .pv-p,
  .page-privacy .pv-list li {
    font-size: 16px;
  }

  .page-privacy .pv-list--contact li {
    font-size: 13px;
    word-break: break-all;
  }

  .page-privacy .pv-sec__title {
    gap: 10px;
  }

  .page-privacy .pv-ver__tip {
    width: min(260px, 82vw);
  }
}

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