.page-privacy {
  --pv-line: #16453A;
  --pv-measure: 40em;
  color: var(--text);
  padding-bottom: 72px;
}

/* 面包屑 */
.page-privacy .crumbs {
  padding: 18px 0 4px;
}

.page-privacy .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--board);
}

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

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

.page-privacy .crumbs span[aria-current] {
  color: var(--cyan-soft);
}

/* 首屏框景 */
.page-privacy .pv-hero {
  position: relative;
}

.page-privacy .pv-hero__frame {
  position: relative;
  margin-top: 14px;
  padding: 26px 22px 26px 20px;
  border: 1px solid var(--edge);
  background:
    linear-gradient(150deg, rgba(59, 240, 200, 0.1), rgba(6, 28, 22, 0) 48%),
    var(--ink-2);
}

.page-privacy .pv-hero__frame::before,
.page-privacy .pv-hero__frame::after {
  content: "";
  position: absolute;
  width: 14px;
  height: 14px;
  border: 1px solid var(--cyan);
}

.page-privacy .pv-hero__frame::before {
  top: -1px;
  left: -1px;
  border-right: 0;
  border-bottom: 0;
}

.page-privacy .pv-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-top: 0;
  border-left: 0;
}

.page-privacy .pv-hero__side {
  position: absolute;
  top: 24px;
  right: 10px;
  writing-mode: vertical-rl;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.42em;
  color: var(--muted);
}

.page-privacy .pv-hero__kicker {
  margin: 0 0 14px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--cyan);
}

.page-privacy .pv-hero__title {
  margin: 0 0 16px;
  max-width: 16em;
  font-size: clamp(27px, 8.4vw, 52px);
  line-height: 1.16;
  font-weight: 900;
  letter-spacing: -0.01em;
}

.page-privacy .pv-hero__lead {
  margin: 0;
  max-width: 33em;
  font-size: 15px;
  line-height: 1.88;
  color: var(--muted);
}

.page-privacy .pv-banner {
  margin: 24px 0 0;
  padding: 0;
  border: 1px solid var(--pv-line);
  background: var(--ink-2);
}

.page-privacy .pv-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 1440 / 400;
  object-fit: cover;
}

/* 主体网格 */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  margin-top: 38px;
}

/* 章节索引轴 */
.page-privacy .pv-toc__title {
  margin: 0 0 10px;
  font-family: var(--mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-toc__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 10px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-toc__list li {
  flex: 0 0 auto;
}

.page-privacy .pv-toc__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 7px;
  padding: 8px 11px;
  border: 1px solid var(--pv-line);
  color: var(--muted);
  text-decoration: none;
  font-size: 13px;
  white-space: nowrap;
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

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

.page-privacy .pv-toc__no {
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

/* 章节 */
.page-privacy .pv-sec {
  scroll-margin-top: calc(var(--bar-h) + 20px);
}

.page-privacy .pv-sec + .pv-sec {
  margin-top: 42px;
  padding-top: 42px;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--edge);
}

.page-privacy .pv-sec__no {
  flex: 0 0 auto;
  padding: 3px 7px;
  border: 1px solid var(--pv-line);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .pv-sec__title {
  margin: 0;
  font-size: clamp(20px, 5.2vw, 30px);
  line-height: 1.24;
  font-weight: 800;
  letter-spacing: -0.01em;
}

.page-privacy .pv-p {
  margin: 0 0 20px;
  max-width: var(--pv-measure);
  font-size: 15px;
  line-height: 1.9;
  color: var(--text);
}

.page-privacy .pv-note {
  margin: 18px 0 0;
  max-width: var(--pv-measure);
  padding: 13px 15px;
  border-left: 2px solid var(--orange);
  background: rgba(255, 122, 61, 0.07);
  font-size: 13px;
  line-height: 1.85;
  color: var(--text);
}

/* 收集范围 */
.page-privacy .pv-facts {
  display: grid;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  border: 1px solid var(--pv-line);
  background: var(--pv-line);
}

.page-privacy .pv-fact {
  padding: 18px;
  background: var(--ink-2);
}

.page-privacy .pv-fact__k {
  margin: 0 0 9px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan);
}

.page-privacy .pv-fact__v {
  margin: 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

/* 使用目的 */
.page-privacy .pv-uses {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-use {
  display: flex;
  gap: 14px;
  padding: 18px;
  border: 1px solid var(--pv-line);
  background: var(--ink-2);
}

.page-privacy .pv-use__n {
  flex: 0 0 auto;
  width: 26px;
  height: 26px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--cyan);
  font-family: var(--mono);
  font-size: 12px;
  color: var(--cyan);
}

.page-privacy .pv-use__body {
  min-width: 0;
}

.page-privacy .pv-use__t {
  margin: 0 0 7px;
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
}

.page-privacy .pv-use__d {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.82;
  color: var(--muted);
}

/* 保存与保护 */
.page-privacy .pv-keep {
  display: grid;
  gap: 1px;
  border: 1px solid var(--pv-line);
  background: var(--pv-line);
}

.page-privacy .pv-keep__col {
  padding: 20px 18px;
  background: var(--ink-2);
}

.page-privacy .pv-keep__t {
  margin: 0 0 14px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--pv-line);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--cyan-soft);
}

.page-privacy .pv-list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 15px;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 1px;
  background: var(--cyan);
}

/* 用户处理方式 */
.page-privacy .pv-rights {
  margin: 0 0 30px;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-right {
  display: grid;
  gap: 7px;
  padding: 16px 0;
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-right:last-child {
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-right__t {
  margin: 0;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan-soft);
}

.page-privacy .pv-right__d {
  margin: 0;
  max-width: var(--pv-measure);
  font-size: 14px;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .pv-contact {
  padding: 22px 20px;
  border: 1px solid var(--edge);
  background:
    linear-gradient(135deg, rgba(59, 240, 200, 0.09), rgba(6, 28, 22, 0) 62%),
    var(--ink-2);
}

.page-privacy .pv-contact__t {
  margin: 0 0 10px;
  font-size: 17px;
  font-weight: 800;
}

.page-privacy .pv-contact__d {
  margin: 0 0 18px;
  max-width: 38em;
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

/* 延伸入口 */
.page-privacy .pv-more {
  margin-top: 46px;
}

.page-privacy .pv-more__t {
  margin: 0 0 16px;
  font-family: var(--mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-more__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-more__link {
  display: block;
  height: 100%;
  padding: 18px;
  border: 1px solid var(--pv-line);
  color: var(--text);
  text-decoration: none;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-privacy .pv-more__link:hover,
.page-privacy .pv-more__link:focus-visible {
  border-color: var(--cyan);
  transform: translateY(-2px);
}

.page-privacy .pv-more__k {
  display: block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--cyan);
}

.page-privacy .pv-more__d {
  display: block;
  font-size: 13px;
  line-height: 1.8;
  color: var(--muted);
}

/* 术语悬停解释 */
.page-privacy .pv-term {
  position: relative;
  display: inline-block;
  color: var(--cyan-soft);
  border-bottom: 1px dashed var(--edge);
  cursor: help;
}

.page-privacy .pv-term:focus {
  outline: 1px solid var(--cyan);
  outline-offset: 2px;
}

.page-privacy .pv-term__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  z-index: 8;
  width: min(250px, 74vw);
  padding: 10px 12px;
  border: 1px solid var(--cyan);
  background: var(--shadow);
  color: var(--text);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0;
  opacity: 0;
  visibility: hidden;
  transform: translateY(6px);
  pointer-events: none;
  transition: opacity 0.18s var(--ease), transform 0.18s var(--ease), visibility 0.18s;
}

.page-privacy .pv-term:hover .pv-term__tip,
.page-privacy .pv-term:focus .pv-term__tip,
.page-privacy .pv-term:focus-within .pv-term__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* 平板及以上 */
@media (min-width: 720px) {
  .page-privacy .pv-facts {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy .pv-uses {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy .pv-keep {
    grid-template-columns: 1fr 1fr;
  }

  .page-privacy .pv-right {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

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

/* 桌面：左侧章节轴常驻 */
@media (min-width: 960px) {
  .page-privacy .pv-hero__frame {
    padding: 38px 46px 38px 40px;
  }

  .page-privacy .pv-body {
    grid-template-columns: 176px minmax(0, 1fr);
    gap: 56px;
    margin-top: 52px;
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: calc(var(--bar-h) + 22px);
    align-self: start;
  }

  .page-privacy .pv-toc__list {
    display: block;
    padding-bottom: 0;
    overflow: visible;
    border-bottom: 0;
  }

  .page-privacy .pv-toc__list li {
    display: block;
    border-top: 1px solid var(--pv-line);
  }

  .page-privacy .pv-toc__list li:last-child {
    border-bottom: 1px solid var(--pv-line);
  }

  .page-privacy .pv-toc__list a {
    display: flex;
    padding: 13px 4px;
    border: 0;
    white-space: normal;
    align-items: baseline;
  }

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

  .page-privacy .pv-sec + .pv-sec {
    margin-top: 52px;
    padding-top: 52px;
  }
}

@media (min-width: 1080px) {
  .page-privacy .pv-keep {
    grid-template-columns: repeat(4, 1fr);
  }
}

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

  .page-privacy .pv-more__link:hover,
  .page-privacy .pv-more__link:focus-visible {
    transform: none;
  }
}