.page-privacy {
  --pv-text: #C9D7EF;
  --pv-rule: #1A2540;
}

.page-privacy .breadcrumb {
  padding-top: clamp(16px, 3vw, 26px);
}

/* 首屏 */
.page-privacy .pv-hero {
  position: relative;
  padding-bottom: clamp(36px, 6vw, 68px);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0 0 auto 0;
  height: 460px;
  background: radial-gradient(120% 100% at 10% 0%, rgba(47, 243, 208, .10), transparent 62%);
  pointer-events: none;
}

.page-privacy .pv-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 48px);
  align-items: center;
  padding-top: clamp(18px, 3vw, 32px);
}

.page-privacy .pv-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(34px, 6.4vw, 60px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .pv-hero__lead {
  margin: 18px 0 0;
  max-width: 56ch;
  font-size: clamp(15.5px, 1.6vw, 17.5px);
  line-height: 1.85;
  color: var(--pv-text);
}

.page-privacy .pv-figure {
  margin: 0;
}

.page-privacy .pv-figure .media-frame {
  border-radius: var(--r-md);
}

.page-privacy .pv-figure .caption {
  margin-top: 10px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--ink-muted);
}

/* 四类信息卡片 */
.page-privacy .pv-cats {
  list-style: none;
  margin: clamp(30px, 4.4vw, 52px) 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--gap);
}

.page-privacy .pv-cat {
  padding: 18px 20px 20px;
  border-radius: var(--r-md);
  background: var(--panel);
  border: 1px solid var(--cool-line);
  transition: border-color var(--dur) var(--ease), transform var(--dur) var(--ease);
}

.page-privacy .pv-cat:hover {
  border-color: var(--neon-cyan);
  transform: translateY(-3px);
}

.page-privacy .pv-cat__num {
  display: block;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--neon-cyan);
}

.page-privacy .pv-cat__title {
  margin: 10px 0 6px;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 18px;
  line-height: 1.3;
  color: var(--ink);
}

.page-privacy .pv-cat__text {
  margin: 0;
  font-size: 13.5px;
  line-height: 1.72;
  color: var(--ink-muted);
}

/* 正文与索引 */
.page-privacy .pv-body {
  padding: clamp(34px, 5.4vw, 68px) 0 clamp(24px, 3.6vw, 44px);
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .pv-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-privacy .pv-index {
  padding-bottom: 6px;
}

.page-privacy .pv-index__label {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.page-privacy .pv-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  gap: 3px;
}

.page-privacy .pv-index__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 12px;
  border-top: 2px solid var(--pv-rule);
  font-size: 13px;
  line-height: 1.5;
  color: var(--ink-muted);
  text-decoration: none;
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease), background var(--dur) var(--ease);
}

.page-privacy .pv-index__link:hover {
  color: var(--ink);
  background: var(--panel);
}

.page-privacy .pv-index__link.is-active {
  color: var(--ink);
  border-top-color: var(--neon-cyan);
  background: linear-gradient(180deg, rgba(47, 243, 208, .12), transparent 78%);
}

.page-privacy .pv-index__link .num {
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--neon-cyan);
}

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

.page-privacy .pv-article {
  padding: clamp(26px, 3.4vw, 40px) 0;
  border-top: 1px solid var(--pv-rule);
  scroll-margin-top: calc(var(--header-h) + 20px);
}

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

.page-privacy .pv-article__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 2.6vw, 28px);
  line-height: 1.22;
  letter-spacing: .01em;
  color: var(--ink);
}

.page-privacy .pv-article__num {
  flex: none;
  font-size: 13px;
  letter-spacing: .04em;
  color: var(--neon-cyan);
}

.page-privacy .pv-article p {
  margin: 14px 0 0;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pv-text);
}

.page-privacy .pv-article__lead {
  margin-top: 0;
  color: var(--ink);
}

.page-privacy .pv-list {
  list-style: none;
  margin: 16px 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 20px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pv-text);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: .74em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--neon-cyan);
}

.page-privacy .pv-list strong {
  color: var(--ink);
  font-weight: 600;
}

.page-privacy .pv-note {
  margin: 20px 0 0;
  padding: 16px 20px;
  max-width: 68ch;
  border-radius: var(--r-sm);
  background: var(--cyan-deep);
  border: 1px solid rgba(47, 243, 208, .22);
  font-size: 14px;
  line-height: 1.8;
  color: var(--pv-text);
}

.page-privacy .pv-key {
  font-family: var(--font-mono);
  font-size: .95em;
  color: var(--amber);
}

/* 联系区 */
.page-privacy .pv-contact {
  padding: clamp(34px, 5.4vw, 68px) 0 clamp(40px, 6vw, 80px);
  border-top: 1px solid var(--pv-rule);
}

.page-privacy .pv-contact__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 3vw, 40px);
  align-items: start;
}

.page-privacy .pv-contact__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(23px, 3.2vw, 32px);
  line-height: 1.22;
  color: var(--ink);
}

.page-privacy .pv-contact__text {
  margin: 14px 0 0;
  max-width: 56ch;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pv-text);
}

.page-privacy .pv-links {
  list-style: none;
  margin: clamp(24px, 3.4vw, 38px) 0 0;
  padding: 20px 0 0;
  border-top: 1px solid var(--pv-rule);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  font-size: 13.5px;
}

.page-privacy .pv-contact__card {
  padding: 22px 24px 24px;
  border-radius: var(--r-md);
  background: var(--panel);
  border: 1px solid var(--cool-line);
}

.page-privacy .pv-contact__label {
  margin: 0;
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--ink-muted);
}

.page-privacy .pv-contact__mail {
  margin: 12px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 2.1vw, 19px);
  line-height: 1.5;
  color: var(--neon-cyan);
  word-break: break-all;
}

.page-privacy .pv-contact__meta {
  margin: 14px 0 0;
  font-size: 13px;
  line-height: 1.78;
  color: var(--ink-muted);
}

/* 平板与桌面 */
@media (min-width: 700px) {
  .page-privacy .pv-cats {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (min-width: 940px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: 1.12fr .88fr;
  }

  .page-privacy .pv-contact__grid {
    grid-template-columns: minmax(0, 1fr) 380px;
  }
}

@media (min-width: 1000px) {
  .page-privacy .pv-body__grid {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-privacy .pv-index {
    position: sticky;
    top: calc(var(--header-h) + 18px);
  }

  .page-privacy .pv-index__list {
    grid-template-columns: 1fr;
    gap: 2px;
  }

  .page-privacy .pv-index__link {
    border-top: 0;
    border-left: 2px solid var(--pv-rule);
    padding: 9px 12px 9px 14px;
  }

  .page-privacy .pv-index__link.is-active {
    border-left-color: var(--neon-cyan);
    background: linear-gradient(90deg, rgba(47, 243, 208, .13), transparent 82%);
  }
}

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

  .page-privacy .pv-cat:nth-child(2) {
    margin-top: 18px;
  }

  .page-privacy .pv-cat:nth-child(3) {
    margin-top: 6px;
  }

  .page-privacy .pv-cat:nth-child(4) {
    margin-top: 24px;
  }
}

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

  .page-privacy .pv-cat:hover {
    transform: none;
  }
}