.page-privacy {
  --pvc-dim: var(--ba-steel);
  --pvc-soft: rgba(122, 139, 181, .16);
  display: block;
  position: relative;
  padding-bottom: clamp(48px, 7vw, 96px);
}

/* ---------- 首屏 ---------- */
.page-privacy .pvc-hero {
  position: relative;
  overflow: hidden;
  border-bottom: var(--ba-line-soft);
  background:
    linear-gradient(140deg, var(--ba-panel) 0%, var(--ba-night) 56%, #0c1334 100%);
  padding: clamp(26px, 5vw, 54px) 0 clamp(30px, 5vw, 62px);
}

.page-privacy .pvc-hero::before {
  content: "";
  position: absolute;
  left: 42%;
  right: -14%;
  bottom: -34%;
  height: min(460px, 70%);
  background: linear-gradient(115deg, rgba(230, 184, 74, .17), rgba(53, 211, 199, .09) 52%, transparent 82%);
  transform: skewY(-8deg);
  pointer-events: none;
}

.page-privacy .pvc-hero::after {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  width: 4px;
  height: clamp(90px, 16vw, 170px);
  background: linear-gradient(180deg, var(--ba-gold), var(--ba-bounty));
}

.page-privacy .pvc-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 5vw, 52px);
  align-items: center;
}

.page-privacy .pvc-crumb {
  margin-bottom: clamp(16px, 3vw, 26px);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--pvc-dim);
}

.page-privacy .pvc-crumb a {
  color: var(--ba-gold);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color .25s var(--ba-ease);
}

.page-privacy .pvc-crumb a:hover,
.page-privacy .pvc-crumb a:focus-visible {
  border-bottom-color: var(--ba-gold);
}

.page-privacy .pvc-crumb span[aria-hidden] {
  margin: 0 8px;
  color: var(--pvc-soft);
}

.page-privacy .pvc-hero__tag {
  display: inline-block;
  margin: 0 0 14px;
  padding: 5px 10px;
  border: 1px solid rgba(230, 184, 74, .45);
  color: var(--ba-gold-hi);
  font-family: var(--ba-font-mono);
  letter-spacing: .16em;
}

.page-privacy .pvc-hero__title {
  margin: 0 0 18px;
  letter-spacing: -.02em;
  line-height: 1.06;
}

.page-privacy .pvc-hero__lede {
  margin: 0 0 18px;
  max-width: 60ch;
  color: #cfd6e8;
}

.page-privacy .pvc-hero__meta {
  margin: 0;
  font-family: var(--ba-font-mono);
  font-size: 12.5px;
  letter-spacing: .04em;
  color: var(--pvc-dim);
  border-left: 2px solid var(--ba-cyan);
  padding-left: 12px;
}

.page-privacy .pvc-hero__figure {
  position: relative;
  margin: 0;
}

.page-privacy .pvc-hero__figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% 90%, 0 100%);
  filter: saturate(1.05) contrast(1.03);
  box-shadow: 0 30px 60px -40px rgba(0, 0, 0, .95);
}

.page-privacy .pvc-hero__caption {
  margin-top: 10px;
  font-size: 12.5px;
  letter-spacing: .05em;
  color: var(--pvc-dim);
}

/* ---------- 主体布局 ---------- */
.page-privacy .pvc-body {
  padding-top: clamp(34px, 5vw, 62px);
}

.page-privacy .pvc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 56px);
}

/* ---------- 侧栏目录 ---------- */
.page-privacy .pvc-side {
  align-self: start;
}

.page-privacy .pvc-toc__title {
  margin: 0 0 14px;
  font-family: var(--ba-font-mono);
  font-size: 12px;
  letter-spacing: .2em;
  color: var(--ba-gold);
  text-transform: uppercase;
}

.page-privacy .pvc-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-top: var(--ba-line-soft);
}

.page-privacy .pvc-toc__item {
  border-bottom: 1px solid var(--pvc-soft);
}

.page-privacy .pvc-toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 11px 10px 11px 8px;
  color: #c3cbdf;
  text-decoration: none;
  font-size: 14.5px;
  line-height: 1.4;
  border-left: 2px solid transparent;
  transition: color .2s var(--ba-ease), background-color .2s var(--ba-ease), border-color .2s var(--ba-ease);
}

.page-privacy .pvc-toc__link:hover,
.page-privacy .pvc-toc__link:focus-visible {
  color: var(--ba-gold-hi);
  background: rgba(230, 184, 74, .07);
}

.page-privacy .pvc-toc__link[aria-current="true"] {
  color: var(--ba-paper);
  border-left-color: var(--ba-gold);
  background: linear-gradient(90deg, rgba(230, 184, 74, .14), transparent 78%);
}

.page-privacy .pvc-toc__num {
  font-family: var(--ba-font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--ba-cyan);
  flex: none;
}

.page-privacy .pvc-toc__link[aria-current="true"] .pvc-toc__num {
  color: var(--ba-gold);
}

.page-privacy .pvc-side__note {
  margin-top: 22px;
  padding: 16px 16px 18px;
  border: var(--ba-line-soft);
  border-left: 2px solid var(--ba-bounty);
  background: linear-gradient(150deg, rgba(139, 30, 45, .16), rgba(17, 26, 62, .4));
}

.page-privacy .pvc-side__note-title {
  margin: 0 0 8px;
  font-size: 15px;
  font-weight: 700;
  color: var(--ba-paper);
}

.page-privacy .pvc-side__note-text {
  margin: 0 0 12px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--pvc-dim);
}

.page-privacy .pvc-side__note-link {
  font-size: 13.5px;
  color: var(--ba-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(230, 184, 74, .5);
}

.page-privacy .pvc-side__note-link:hover,
.page-privacy .pvc-side__note-link:focus-visible {
  color: var(--ba-gold-hi);
  border-bottom-color: var(--ba-gold-hi);
}

/* ---------- 条款正文 ---------- */
.page-privacy .pvc-articles {
  min-width: 0;
  counter-reset: pvc-clause;
}

.page-privacy .pvc-clause {
  padding: clamp(22px, 3vw, 34px) 0;
  border-top: var(--ba-line-soft);
  scroll-margin-top: 92px;
}

.page-privacy .pvc-clause:first-child {
  border-top: 0;
  padding-top: 0;
}

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

.page-privacy .pvc-clause__num {
  flex: none;
  font-family: var(--ba-font-mono);
  font-size: clamp(20px, 2.6vw, 26px);
  line-height: 1;
  color: rgba(230, 184, 74, .5);
  letter-spacing: .02em;
}

.page-privacy .pvc-clause__title {
  margin: 0;
  font-size: clamp(21px, 3.4vw, 30px);
  line-height: 1.24;
  letter-spacing: -.01em;
  color: var(--ba-paper);
}

.page-privacy .pvc-clause__body p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.78;
  color: #ccd4e6;
}

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

.page-privacy .pvc-clause__body a {
  color: var(--ba-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 211, 199, .45);
}

.page-privacy .pvc-clause__body a:hover,
.page-privacy .pvc-clause__body a:focus-visible {
  color: var(--ba-gold-hi);
  border-bottom-color: var(--ba-gold-hi);
}

.page-privacy .pvc-small {
  font-size: 13.5px !important;
  color: var(--pvc-dim) !important;
}

/* 旁注 */
.page-privacy .pvc-aside {
  margin: 18px 0 6px;
  padding: 12px 16px;
  border-left: 2px solid var(--ba-cyan);
  background: linear-gradient(90deg, rgba(53, 211, 199, .1), transparent 82%);
}

.page-privacy .pvc-aside--gold {
  border-left-color: var(--ba-gold);
  background: linear-gradient(90deg, rgba(230, 184, 74, .1), transparent 82%);
}

.page-privacy .pvc-aside p {
  margin: 0 !important;
  font-size: 14.5px !important;
  line-height: 1.7 !important;
  color: #d8dfee !important;
}

/* 信息条目 */
.page-privacy .pvc-data {
  margin: 6px 0 20px;
  border-top: var(--ba-line-soft);
}

.page-privacy .pvc-data__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 14px 0;
  border-bottom: 1px solid var(--pvc-soft);
}

.page-privacy .pvc-data__row dt {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--ba-gold-hi);
}

.page-privacy .pvc-data__row dd {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.75;
  color: #c6cee1;
}

/* 列表 */
.page-privacy .pvc-list {
  list-style: none;
  margin: 6px 0 20px;
  padding: 0;
}

.page-privacy .pvc-list li {
  position: relative;
  padding: 11px 0 11px 20px;
  border-bottom: 1px solid var(--pvc-soft);
  font-size: 15.5px;
  line-height: 1.75;
  color: #c6cee1;
}

.page-privacy .pvc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 20px;
  width: 8px;
  height: 2px;
  background: var(--ba-cyan);
}

.page-privacy .pvc-list__key {
  display: inline-block;
  margin-right: 10px;
  font-family: var(--ba-font-mono);
  font-size: 13.5px;
  letter-spacing: .04em;
  color: var(--ba-gold);
}

.page-privacy .pvc-list--rights li::before {
  background: var(--ba-bounty);
}

/* 数据条 */
.page-privacy .pvc-metrics {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin-top: 22px;
  background: var(--ba-line);
  border: var(--ba-line-soft);
}

.page-privacy .pvc-metric {
  padding: 16px 18px;
  background: var(--ba-panel);
}

.page-privacy .pvc-metric__num {
  display: block;
  font-family: var(--ba-font-mono);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.1;
  color: var(--ba-gold);
}

.page-privacy .pvc-metric__label {
  display: block;
  margin-top: 6px;
  font-size: 13.5px;
  line-height: 1.65;
  color: var(--pvc-dim);
}

/* 联系块 */
.page-privacy .pvc-contact {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  margin: 18px 0 14px;
  padding: 16px 18px;
  border: var(--ba-line-soft);
  background: linear-gradient(120deg, var(--ba-lift), rgba(17, 26, 62, .7));
}

.page-privacy .pvc-contact__mail {
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.page-privacy .pvc-contact__label {
  font-family: var(--ba-font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--pvc-dim);
}

.page-privacy .pvc-contact__value {
  font-size: clamp(15px, 2.4vw, 18px);
  color: var(--ba-paper);
  word-break: break-all;
}

/* 页内落脚 */
.page-privacy .pvc-footnav {
  margin-top: clamp(26px, 4vw, 44px);
  padding: clamp(20px, 3vw, 28px);
  border: var(--ba-line-soft);
  border-top: 2px solid var(--ba-gold);
  background: linear-gradient(150deg, rgba(27, 42, 91, .75), rgba(10, 15, 44, .5));
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
}

.page-privacy .pvc-footnav__title {
  margin: 0 0 8px;
  font-size: 18px;
  color: var(--ba-paper);
}

.page-privacy .pvc-footnav__desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--pvc-dim);
}

.page-privacy .pvc-footnav__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  align-items: center;
}

.page-privacy .pvc-topwrap {
  margin: 26px 0 0;
  text-align: right;
}

.page-privacy .pvc-top {
  font-family: var(--ba-font-mono);
  font-size: 12.5px;
  letter-spacing: .1em;
  color: var(--pvc-dim);
  text-decoration: none;
  border-bottom: 1px solid var(--pvc-soft);
  transition: color .2s var(--ba-ease), border-color .2s var(--ba-ease);
}

.page-privacy .pvc-top:hover,
.page-privacy .pvc-top:focus-visible {
  color: var(--ba-gold);
  border-bottom-color: var(--ba-gold);
}

/* ---------- 桌面端 ---------- */
@media (min-width: 780px) {
  .page-privacy .pvc-hero__inner {
    grid-template-columns: minmax(0, 1.06fr) minmax(0, .94fr);
  }

  .page-privacy .pvc-data__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }

  .page-privacy .pvc-metrics {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .pvc-contact {
    justify-content: space-between;
  }

  .page-privacy .pvc-footnav {
    grid-template-columns: minmax(0, 1fr) auto;
    align-items: center;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pvc-layout {
    grid-template-columns: 248px minmax(0, 1fr);
    gap: clamp(40px, 5vw, 72px);
  }

  .page-privacy .pvc-side {
    position: sticky;
    top: 92px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pvc-toc__link,
  .page-privacy .pvc-top,
  .page-privacy .pvc-crumb a {
    transition: none;
  }
}