/* ===== 隐私政策 / page-privacy ===== */
.page-privacy {
  --pv-rule: rgba(20, 16, 13, .16);
  --pv-index-w: 224px;
  padding-bottom: clamp(48px, 8vw, 120px);
}

.page-privacy .bs-crumb {
  margin-bottom: clamp(18px, 3vw, 32px);
}

/* ---- 页首画板 ---- */
.page-privacy .pv-masthead {
  position: relative;
  border: var(--frame) solid var(--ink-900);
  background: linear-gradient(158deg, #EFEBE2 0%, #E5E1D7 46%, #D9D2C4 100%);
  box-shadow: var(--hard-lg), inset 6px 0 0 0 var(--jade-700);
  padding: clamp(22px, 3.6vw, 48px);
  margin-bottom: clamp(38px, 6vw, 84px);
}

.page-privacy .pv-masthead .bs-kicker {
  display: inline-block;
  color: var(--jade-700);
  border-bottom: 2px solid var(--terra-600);
  padding-bottom: 3px;
}

.page-privacy .pv-title {
  font-size: clamp(30px, 6vw, 60px);
  line-height: 1.1;
  font-weight: 200;
  letter-spacing: -0.012em;
  margin: 16px 0 18px;
  max-width: 20ch;
}

.page-privacy .pv-title strong {
  font-weight: 900;
  color: var(--terra-900);
}

.page-privacy .pv-lead {
  max-width: 40em;
  font-size: clamp(15px, 1.35vw, 16.5px);
  line-height: 1.9;
  color: rgba(20, 16, 13, .82);
  margin: 0 0 24px;
}

.page-privacy .pv-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 20px;
  list-style: none;
  margin: 0 0 28px;
  padding: 0;
  font-size: 13px;
}

.page-privacy .pv-meta > li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding-left: 10px;
  border-left: 3px solid var(--terra-600);
  line-height: 1.5;
}

.page-privacy .pv-meta .bs-no {
  font-size: 11.5px;
  letter-spacing: .14em;
  color: var(--jade-700);
}

.page-privacy .pv-banner {
  margin: 0;
  border: 2px solid var(--ink-900);
  background: var(--mist-200);
  aspect-ratio: 2 / 1;
  overflow: hidden;
}

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

/* ---- 索引 + 正文 两列 ---- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 56px);
}

.page-privacy .pv-index {
  border: 2px solid var(--ink-900);
  background: var(--mist-200);
  padding: 14px 16px 16px;
  min-width: 0;
}

.page-privacy .pv-index__head {
  display: block;
  margin: 0 0 12px;
  color: var(--terra-900);
}

.page-privacy .pv-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 6px 8px;
}

.page-privacy .pv-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 6px 10px;
  font-size: 13.5px;
  line-height: 1.4;
  color: var(--ink-900);
  text-decoration: none;
  background: var(--sand-050);
  border: 2px solid var(--ink-900);
  transition: background-color .15s linear, border-color .15s linear, color .15s linear;
}

.page-privacy .pv-index__link .bs-no {
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--terra-600);
}

.page-privacy .pv-index__link:hover,
.page-privacy .pv-index__link:focus-visible {
  background: var(--jade-700);
  border-color: var(--jade-700);
  color: var(--sand-050);
}

.page-privacy .pv-index__link:hover .bs-no,
.page-privacy .pv-index__link:focus-visible .bs-no {
  color: var(--gold-500);
}

/* ---- 条款正文 ---- */
.page-privacy .pv-body {
  min-width: 0;
  max-width: 46em;
}

.page-privacy .pv-clause {
  border-top: 3px solid var(--ink-900);
  padding-top: clamp(20px, 2.6vw, 34px);
  margin-bottom: clamp(34px, 5vw, 62px);
  scroll-margin-top: calc(var(--topbar-h) + 28px);
}

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

.page-privacy .pv-clause__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
  flex-wrap: wrap;
}

.page-privacy .pv-clause__no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--terra-900);
  text-decoration: none;
  border: 2px solid var(--terra-600);
  background: rgba(184, 69, 43, .07);
  padding: 3px 8px;
  transition: background-color .15s linear, color .15s linear;
}

.page-privacy .pv-clause__no:hover,
.page-privacy .pv-clause__no:focus-visible {
  background: var(--terra-600);
  color: var(--sand-050);
}

.page-privacy .pv-clause__head h2 {
  margin: 0;
  font-size: clamp(20px, 2.2vw, 27px);
  font-weight: 300;
  line-height: 1.32;
  letter-spacing: -0.005em;
  color: var(--ink-900);
}

.page-privacy .pv-clause p {
  margin: 0 0 15px;
  font-size: 15px;
  line-height: 1.9;
  overflow-wrap: break-word;
}

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

.page-privacy .pv-clause a {
  color: var(--jade-700);
  text-decoration: underline;
  text-decoration-thickness: 2px;
  text-underline-offset: 3px;
}

.page-privacy .pv-clause a:hover,
.page-privacy .pv-clause a:focus-visible {
  color: var(--terra-600);
}

/* 三类信息卡片 —— 沿对角线错位 */
.page-privacy .pv-fields {
  margin: 20px 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 14px;
}

.page-privacy .pv-field {
  border: 2px solid var(--ink-900);
  background: var(--sand-050);
  box-shadow: var(--hard-sm);
  padding: 16px 18px;
  margin: 0;
}

.page-privacy .pv-field dt {
  display: flex;
  align-items: center;
  gap: 9px;
  margin: 0 0 9px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .01em;
}

.page-privacy .pv-field dt .bs-no {
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--gold-500);
  border: 1.5px solid var(--gold-500);
  padding: 1px 6px;
}

.page-privacy .pv-field dd {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.88;
  color: rgba(20, 16, 13, .86);
}

/* 用途与期限表 */
.page-privacy .pv-terms {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  border-top: 2px solid var(--ink-900);
}

.page-privacy .pv-terms > li {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 4px;
  padding: 15px 0;
  border-bottom: 1px dashed var(--pv-rule);
  font-size: 14.5px;
  line-height: 1.88;
  overflow-wrap: break-word;
}

.page-privacy .pv-terms__key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: .08em;
  color: var(--jade-700);
}

/* 项目符号列表 */
.page-privacy .pv-list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 13px;
}

.page-privacy .pv-list > li {
  position: relative;
  padding-left: 24px;
  font-size: 15px;
  line-height: 1.9;
  overflow-wrap: break-word;
}

.page-privacy .pv-list > li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 9px;
  height: 9px;
  background: var(--jade-400);
  border: 2px solid var(--ink-900);
}

/* 数据流向示意 */
.page-privacy .pv-flow {
  margin: 22px 0 4px;
  padding: 16px;
  border: 2px solid var(--ink-900);
  background: var(--sand-050);
  box-shadow: var(--hard-md);
}

.page-privacy .pv-flow svg {
  display: block;
  width: 100%;
  height: auto;
}

.page-privacy .pv-flow figcaption {
  margin-top: 12px;
  padding-top: 10px;
  border-top: 1px dashed var(--pv-rule);
  font-family: var(--font-mono);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: .02em;
  color: rgba(20, 16, 13, .72);
}

/* ---- 中等屏 ---- */
@media (min-width: 640px) {
  .page-privacy .pv-terms > li {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 4px 20px;
  }

  .page-privacy .pv-terms__key {
    padding-top: 3px;
  }

  .page-privacy .pv-fields {
    gap: 16px;
  }
}

@media (min-width: 720px) {
  .page-privacy .pv-field:nth-child(2) {
    margin-left: 20px;
  }

  .page-privacy .pv-field:nth-child(3) {
    margin-left: 40px;
  }
}

/* ---- 桌面：左侧固定索引 ---- */
@media (min-width: 1024px) {
  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-index-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 76px);
    align-items: start;
  }

  .page-privacy .pv-index {
    position: sticky;
    top: calc(var(--topbar-h) + 26px);
    align-self: start;
    border: 0;
    border-right: 2px solid var(--ink-900);
    background: transparent;
    padding: 2px 18px 2px 0;
    max-height: calc(100vh - var(--topbar-h) - 52px);
    overflow-y: auto;
  }

  .page-privacy .pv-index__head {
    color: var(--terra-900);
    margin-bottom: 14px;
  }

  .page-privacy .pv-index__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 2px;
  }

  .page-privacy .pv-index__list > li {
    width: 100%;
  }

  .page-privacy .pv-index__link {
    width: 100%;
    background: transparent;
    border: 0;
    border-left: 3px solid transparent;
    padding: 7px 10px;
    font-size: 13.5px;
  }

  .page-privacy .pv-index__link:hover,
  .page-privacy .pv-index__link:focus-visible {
    background: rgba(14, 92, 70, .09);
    border-left-color: var(--jade-700);
    color: var(--ink-900);
  }

  .page-privacy .pv-index__link:hover .bs-no,
  .page-privacy .pv-index__link:focus-visible .bs-no {
    color: var(--terra-600);
  }

  .page-privacy .pv-body {
    max-width: 42em;
  }
}

/* ---- 减弱动效 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index__link,
  .page-privacy .pv-clause__no {
    transition: none;
  }
}
</main>