.page-privacy {
  --pv-ink: #0A1633;
  --pv-ink-soft: rgba(10, 22, 51, .76);
  --pv-board: #E8EDF7;
  --pv-board-line: rgba(10, 22, 51, .16);
  --pv-board-fill: rgba(10, 22, 51, .05);
  max-width: 1320px;
  margin: 0 auto;
  padding: 0 var(--pad-x) 80px;
  color: var(--paper);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}

.page-privacy .mono {
  font-family: var(--font-num);
  letter-spacing: .08em;
}

/* 面包屑 */
.page-privacy .breadcrumb {
  margin: 24px 0 26px;
  font-size: 14px;
  color: var(--mist);
}

.page-privacy .pv-hero {
  display: grid;
  grid-template-columns: 1fr;
  gap: 28px;
  padding-bottom: 34px;
  position: relative;
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 100%;
  height: 3px;
  background: var(--line-strong);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  left: 0;
  bottom: 0;
  width: 56px;
  height: 3px;
  background: var(--cyan);
  z-index: 1;
}

.page-privacy .pv-title {
  font-family: var(--font-head);
  font-weight: 900;
  font-size: clamp(30px, 7vw, 56px);
  line-height: 1.08;
  letter-spacing: -0.5px;
  margin: 10px 0 18px;
  color: var(--paper);
  max-width: 20ch;
}

.page-privacy .pv-lead {
  font-size: 17px;
  line-height: 1.8;
  color: var(--mist);
  max-width: 60ch;
  margin: 0;
}

.page-privacy .pv-aside-card {
  border: 3px solid var(--cyan-soft);
  background: var(--ink-800);
  padding: 20px;
  box-shadow: var(--shadow-hard);
}

.page-privacy .pv-aside-card__kicker {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 13px;
  letter-spacing: .12em;
  color: var(--cyan);
  margin: 0 0 10px;
}

.page-privacy .pv-aside-card__text {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--mist);
}

.page-privacy .pv-aside-note {
  margin: 14px 0 0;
  font-size: 14px;
  color: var(--mist);
}

.page-privacy .pv-aside-note .link {
  color: var(--cyan);
}

/* 按钮 */
.page-privacy .pv-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 10px 20px;
  border: 2px solid var(--cyan);
  background: transparent;
  color: var(--cyan);
  font-size: 15px;
  font-weight: 700;
  text-decoration: none;
  border-radius: 4px;
  transition: transform var(--ease), box-shadow var(--ease), background var(--ease), color var(--ease);
}

.page-privacy .pv-btn:hover,
.page-privacy .pv-btn:focus-visible {
  transform: translate(-2px, -2px);
  box-shadow: 4px 4px 0 0 var(--ink-000);
  background: var(--cyan);
  color: var(--ink-900);
}

.page-privacy .pv-btn--solid {
  background: var(--ink-000);
  border-color: var(--ink-000);
  color: var(--paper);
  box-shadow: 4px 4px 0 0 var(--ink-000);
}

.page-privacy .pv-btn--solid:hover,
.page-privacy .pv-btn--solid:focus-visible {
  background: var(--ink-000);
  color: var(--cyan);
  border-color: var(--ink-000);
  box-shadow: 6px 6px 0 0 var(--ink-000);
}

/* 首图 */
.page-privacy .pv-figure {
  margin: 40px 0 0;
  border: 3px solid var(--ink-000);
  background: var(--ink-800);
  box-shadow: var(--shadow-hard);
}

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

.page-privacy .pv-figure figcaption {
  padding: 12px 16px;
  font-size: 13px;
  color: var(--mist);
  border-top: 1px solid var(--line-strong);
  font-family: var(--font-num);
  letter-spacing: .04em;
}

/* 四阶段流向 */
.page-privacy .pv-flow {
  list-style: none;
  margin: 28px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.page-privacy .pv-flow__node {
  position: relative;
  display: grid;
  gap: 4px;
  padding: 14px 14px 14px 18px;
  background: var(--ink-800);
  border-left: 3px solid var(--cyan);
}

.page-privacy .pv-flow__step {
  font-size: 12px;
  font-weight: 700;
  color: var(--tactic);
  letter-spacing: .1em;
}

.page-privacy .pv-flow__label {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 18px;
  color: var(--paper);
  letter-spacing: -0.2px;
}

.page-privacy .pv-flow__desc {
  font-size: 13px;
  line-height: 1.6;
  color: var(--mist);
}

/* 两栏布局 */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  margin-top: 52px;
}

/* 章节目录 */
.page-privacy .pv-nav {
  border-top: 3px solid var(--line-strong);
  padding-top: 16px;
}

.page-privacy .pv-nav__title {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .12em;
  color: var(--mist);
  margin: 0 0 12px;
}

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

.page-privacy .pv-nav__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 10px;
  font-size: 14px;
  line-height: 1.5;
  color: var(--mist);
  text-decoration: none;
  border-left: 3px solid transparent;
  border-radius: 0 4px 4px 0;
  transition: color var(--ease), border-color var(--ease), background var(--ease);
}

.page-privacy .pv-nav__link:hover,
.page-privacy .pv-nav__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--cyan);
  background: var(--ink-800);
}

.page-privacy .pv-nav__link[aria-current] {
  color: var(--cyan);
  border-left-color: var(--cyan);
  background: var(--ink-800);
}

.page-privacy .pv-nav__num {
  font-family: var(--font-num);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--cyan);
  opacity: .8;
}

/* 正文板 */
.page-privacy .pv-board {
  background: var(--pv-board);
  color: var(--pv-ink);
  border: 3px solid var(--ink-000);
  box-shadow: var(--shadow-hard);
  padding: 28px 20px 32px;
}

.page-privacy .pv-sec {
  padding: 30px 0;
  border-top: 3px solid var(--pv-board-line);
  scroll-margin-top: calc(var(--top-h) + 16px);
}

.page-privacy .pv-sec:first-of-type {
  border-top: 0;
  padding-top: 4px;
}

.page-privacy .pv-sec__head {
  display: flex;
  align-items: baseline;
  gap: 12px;
  margin-bottom: 14px;
}

.page-privacy .pv-sec__num {
  font-family: var(--font-num);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--volt);
  line-height: 1;
  padding-left: 10px;
  border-left: 3px solid var(--cyan);
}

.page-privacy .pv-sec__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(20px, 3.4vw, 28px);
  line-height: 1.25;
  letter-spacing: -0.4px;
  margin: 0;
  color: var(--pv-ink);
}

.page-privacy .pv-sec p {
  margin: 0 0 16px;
  max-width: 68ch;
  color: var(--pv-ink-soft);
  font-size: 16px;
  line-height: 1.8;
}

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

.page-privacy .pv-sec strong {
  color: var(--pv-ink);
  font-weight: 700;
}

.page-privacy .pv-list {
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
  max-width: 68ch;
}

.page-privacy .pv-list li {
  position: relative;
  padding: 12px 0 12px 22px;
  border-bottom: 1px solid var(--pv-board-line);
  color: var(--pv-ink-soft);
  font-size: 16px;
  line-height: 1.78;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 22px;
  width: 8px;
  height: 8px;
  background: var(--volt);
}

.page-privacy .pv-list li:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .pv-callout {
  position: relative;
  margin: 20px 0;
  padding: 16px 18px 16px 22px;
  background: var(--pv-board-fill);
  border-left: 3px solid var(--volt);
  max-width: 68ch;
  color: var(--pv-ink);
  font-size: 15.5px;
  line-height: 1.75;
}

.page-privacy .pv-callout--quiet {
  border-left-color: var(--ink-000);
  color: var(--pv-ink-soft);
}

/* 保留期限 */
.page-privacy .pv-keep {
  display: grid;
  gap: 12px;
  margin: 20px 0 4px;
  max-width: 68ch;
}

.page-privacy .pv-keep__item {
  border: 1px solid var(--pv-board-line);
  border-left: 3px solid var(--pv-ink);
  background: var(--pv-board-fill);
  padding: 14px 16px 16px;
}

.page-privacy .pv-keep__head {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin: 0;
}

.page-privacy .pv-keep__name {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: 16.5px;
  color: var(--pv-ink);
}

.page-privacy .pv-keep__term {
  font-size: 13px;
  font-weight: 700;
  color: var(--ink-900);
  background: var(--tactic);
  padding: 2px 10px;
  border-radius: 3px;
  letter-spacing: .06em;
  white-space: nowrap;
}

/* 折叠说明 */
.page-privacy .pv-details {
  margin-top: 12px;
  border: 1px solid var(--pv-board-line);
  background: rgba(255, 255, 255, .5);
  transition: border-color var(--ease);
}

.page-privacy .pv-details[open] {
  border-left: 3px solid var(--cyan);
}

.page-privacy .pv-details summary {
  cursor: pointer;
  list-style: none;
  position: relative;
  padding: 11px 44px 11px 14px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--pv-ink);
  line-height: 1.6;
}

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

.page-privacy .pv-details summary::after {
  content: "+";
  position: absolute;
  right: 14px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-num);
  font-size: 16px;
  font-weight: 700;
  color: var(--volt);
}

.page-privacy .pv-details[open] summary::after {
  content: "\2013";
}

.page-privacy .pv-details summary:hover,
.page-privacy .pv-details summary:focus-visible {
  color: var(--volt);
}

.page-privacy .pv-details__body {
  padding: 12px 14px 14px;
  border-top: 1px solid var(--pv-board-line);
  font-size: 15px;
  line-height: 1.78;
  color: var(--pv-ink-soft);
}

.page-privacy .pv-details__body p {
  margin: 0 0 10px;
  max-width: 66ch;
  font-size: 15px;
  color: var(--pv-ink-soft);
}

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

/* 页尾引导 */
.page-privacy .pv-foot {
  margin-top: 34px;
  padding-top: 26px;
  border-top: 3px solid var(--ink-000);
}

.page-privacy .pv-foot__text {
  margin: 0 0 18px;
  max-width: 66ch;
  color: var(--pv-ink-soft);
  font-size: 16px;
  line-height: 1.8;
}

.page-privacy .pv-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.page-privacy .pv-foot__actions .pv-btn {
  border-color: var(--ink-000);
  color: var(--ink-900);
  background: transparent;
}

.page-privacy .pv-foot__actions .pv-btn:hover,
.page-privacy .pv-foot__actions .pv-btn:focus-visible {
  background: var(--ink-000);
  color: var(--cyan);
  box-shadow: 4px 4px 0 0 var(--ink-000);
}

.page-privacy .pv-foot__actions .pv-btn--solid {
  background: var(--ink-000);
  color: var(--paper);
  box-shadow: 4px 4px 0 0 rgba(14, 17, 22, .5);
}

.page-privacy .pv-foot__actions .pv-btn--solid:hover,
.page-privacy .pv-foot__actions .pv-btn--solid:focus-visible {
  color: var(--cyan);
}

/* 平板 */
@media (min-width: 720px) {
  .page-privacy .pv-flow {
    grid-template-columns: repeat(4, minmax(0, 1fr));
  }

  .page-privacy .pv-board {
    padding: 40px 34px 44px;
  }

  .page-privacy .pv-hero {
    grid-template-columns: 7fr 5fr;
    gap: 40px;
    align-items: start;
  }
}

/* 桌面 */
@media (min-width: 1000px) {
  .page-privacy {
    padding-bottom: 96px;
  }

  .page-privacy .pv-layout {
    grid-template-columns: 240px minmax(0, 1fr);
    gap: 52px;
    align-items: start;
  }

  .page-privacy .pv-nav {
    position: sticky;
    top: calc(var(--top-h) + 24px);
    align-self: start;
    padding-bottom: 12px;
  }

  .page-privacy .pv-board {
    padding: 52px 48px 56px;
  }

  .page-privacy .pv-sec {
    padding: 38px 0;
  }

  .page-privacy .pv-title {
    font-size: 56px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-btn,
  .page-privacy .pv-nav__link,
  .page-privacy .pv-details {
    transition: none;
  }

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