.page-privacy {
  --prv-doc-w: 72ch;
  --prv-rail-w: 216px;
  display: block;
  background: var(--grad-night);
  color: var(--snow);
  font-family: var(--font-body);
  padding-bottom: clamp(48px, 7vw, 88px);
  overflow-x: hidden;
}

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

.page-privacy .prv-crumbbar .bd-crumbs {
  font-size: 13px;
  color: var(--mist);
}

/* ---------- 首屏 ---------- */

.page-privacy .prv-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(14px, 2.4vw, 22px);
  padding: clamp(34px, 5.4vw, 68px) 0 clamp(38px, 5.8vw, 72px);
  border-bottom: 3px solid var(--line);
  isolation: isolate;
}

.page-privacy .prv-hero__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.24;
  filter: saturate(0.85) contrast(1.05);
  pointer-events: none;
}

.page-privacy .prv-hero__mesh {
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  background-image:
    repeating-linear-gradient(0deg, rgba(234, 243, 255, 0.055) 0 1px, transparent 1px 58px),
    repeating-linear-gradient(90deg, rgba(234, 243, 255, 0.055) 0 1px, transparent 1px 58px);
  background-position: center;
}

.page-privacy .prv-hero__in {
  position: relative;
  z-index: 2;
}

.page-privacy .prv-hero__in .bd-meta {
  color: var(--amber);
  letter-spacing: 0.2em;
  margin: 0 0 14px;
}

.page-privacy .prv-h1 {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(38px, 7vw, 76px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--snow);
}

.page-privacy .prv-h1::after {
  content: "";
  display: block;
  width: 84px;
  height: 6px;
  margin-top: 18px;
  background: linear-gradient(90deg, var(--pulse) 0%, var(--flare) 100%);
}

.page-privacy .prv-hero__lede {
  max-width: 68ch;
  margin: 20px 0 0;
  font-size: clamp(16px, 1.5vw, 17.5px);
  line-height: 1.85;
  color: var(--snow);
}

.page-privacy .prv-hero__keys {
  list-style: none;
  margin: 26px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px 10px;
}

.page-privacy .prv-hero__keys li {
  font-size: 13px;
  font-weight: 500;
  line-height: 1.5;
  color: var(--pulse);
  background: rgba(5, 18, 31, 0.74);
  border: 1px solid var(--line);
  padding: 6px 12px;
}

/* ---------- 主体布局 ---------- */

.page-privacy .prv-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(26px, 4vw, 44px);
  padding-top: clamp(30px, 4.6vw, 58px);
}

/* ---------- 章节导航 ---------- */

.page-privacy .prv-rail {
  position: relative;
  padding-left: 18px;
  border-left: 2px solid var(--line);
}

.page-privacy .prv-rail__label {
  margin: 0 0 12px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--mist);
}

.page-privacy .prv-rail__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 2px 16px;
}

.page-privacy .prv-rail__list a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 0;
  font-size: 14.5px;
  line-height: 1.45;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s ease, transform 0.18s ease, border-color 0.18s ease;
}

.page-privacy .prv-rail__list a:hover,
.page-privacy .prv-rail__list a:focus-visible {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
  transform: translateX(2px);
  outline: none;
}

.page-privacy .prv-rail__list a:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 3px;
}

.page-privacy .prv-rail__num {
  font-family: var(--font-display);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: var(--steel);
  font-variant-numeric: tabular-nums;
}

.page-privacy .prv-rail__list a:hover .prv-rail__num,
.page-privacy .prv-rail__list a:focus-visible .prv-rail__num {
  color: var(--flare);
}

/* 当前章节节点高亮 */

.page-privacy:has(#scope:target) .prv-rail__list a[href="#scope"],
.page-privacy:has(#collect:target) .prv-rail__list a[href="#collect"],
.page-privacy:has(#usage:target) .prv-rail__list a[href="#usage"],
.page-privacy:has(#security:target) .prv-rail__list a[href="#security"],
.page-privacy:has(#sharing:target) .prv-rail__list a[href="#sharing"],
.page-privacy:has(#rights:target) .prv-rail__list a[href="#rights"],
.page-privacy:has(#updates:target) .prv-rail__list a[href="#updates"] {
  color: var(--pulse);
  border-bottom-color: var(--pulse);
}

.page-privacy:has(#scope:target) .prv-rail__list a[href="#scope"] .prv-rail__num,
.page-privacy:has(#collect:target) .prv-rail__list a[href="#collect"] .prv-rail__num,
.page-privacy:has(#usage:target) .prv-rail__list a[href="#usage"] .prv-rail__num,
.page-privacy:has(#security:target) .prv-rail__list a[href="#security"] .prv-rail__num,
.page-privacy:has(#sharing:target) .prv-rail__list a[href="#sharing"] .prv-rail__num,
.page-privacy:has(#rights:target) .prv-rail__list a[href="#rights"] .prv-rail__num,
.page-privacy:has(#updates:target) .prv-rail__list a[href="#updates"] .prv-rail__num {
  color: var(--pulse);
}

/* ---------- 文档区 ---------- */

.page-privacy .prv-doc {
  min-width: 0;
  max-width: var(--prv-doc-w);
}

.page-privacy .prv-sec {
  position: relative;
  padding-bottom: clamp(28px, 4vw, 42px);
  margin-bottom: clamp(28px, 4vw, 42px);
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 110px;
}

.page-privacy .prv-sec:last-of-type {
  border-bottom: 0;
}

.page-privacy .prv-sec__head {
  position: relative;
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-left: 20px;
  margin-bottom: 18px;
}

.page-privacy .prv-sec__head::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.32em;
  bottom: 0.2em;
  width: 3px;
  background: var(--steel);
  transition: background 0.2s ease;
}

.page-privacy .prv-sec:target .prv-sec__head::before {
  background: var(--pulse);
}

.page-privacy .prv-sec__num {
  margin: 0;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1;
  color: var(--flare);
  font-variant-numeric: tabular-nums;
  letter-spacing: -0.01em;
}

.page-privacy .prv-sec__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(21px, 2.5vw, 28px);
  font-weight: 700;
  line-height: 1.25;
  color: var(--snow);
  letter-spacing: 0.01em;
}

.page-privacy .prv-prose p {
  margin: 0 0 14px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--snow);
}

.page-privacy .prv-prose p:last-child {
  margin-bottom: 0;
}

.page-privacy .prv-prose abbr {
  text-decoration: none;
  border-bottom: 1px dashed var(--pulse);
  cursor: help;
  color: var(--snow);
}

/* ---------- 信息分类块 ---------- */

.page-privacy .prv-facts {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin-top: 20px;
}

.page-privacy .prv-fact {
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-left: 3px solid var(--pulse);
  padding: 16px 18px 18px;
  box-shadow: var(--shadow-hard);
  transition: border-color 0.18s ease, transform 0.18s ease;
}

.page-privacy .prv-fact:hover {
  border-color: var(--pulse);
  transform: translateX(2px);
}

.page-privacy .prv-fact h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--snow);
}

.page-privacy .prv-fact h3::before {
  content: "";
  display: inline-block;
  width: 7px;
  height: 7px;
  margin-right: 9px;
  background: var(--flare);
  transform: rotate(45deg) translateY(-2px);
}

.page-privacy .prv-fact p {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 用途清单 ---------- */

.page-privacy .prv-uses {
  list-style: none;
  margin: 4px 0 0;
  padding: 0;
  counter-reset: prv-use;
}

.page-privacy .prv-uses > li {
  position: relative;
  counter-increment: prv-use;
  padding: 16px 0 16px 52px;
  border-top: 1px solid var(--line);
}

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

.page-privacy .prv-uses > li::before {
  content: counter(prv-use, decimal-leading-zero);
  position: absolute;
  left: 0;
  top: 17px;
  font-family: var(--font-display);
  font-size: 17px;
  line-height: 1;
  color: var(--pulse);
  font-variant-numeric: tabular-nums;
}

.page-privacy .prv-uses h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--snow);
}

.page-privacy .prv-uses p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 提示块 ---------- */

.page-privacy .prv-note {
  margin-top: 20px;
  padding: 15px 18px;
  background: rgba(18, 58, 92, 0.42);
  border: 1px solid var(--line);
  border-left: 4px solid var(--amber);
}

.page-privacy .prv-note p {
  margin: 0;
  font-size: 15px;
  line-height: 1.78;
  color: var(--snow);
}

/* ---------- 共享规则条目 ---------- */

.page-privacy .prv-rules {
  list-style: none;
  margin: 6px 0 18px;
  padding: 0;
}

.page-privacy .prv-rules > li {
  position: relative;
  padding: 13px 0 13px 24px;
  border-bottom: 1px dashed var(--line);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--snow);
}

.page-privacy .prv-rules > li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 21px;
  width: 8px;
  height: 8px;
  background: var(--pulse);
  transform: rotate(45deg);
}

/* ---------- 权利块 ---------- */

.page-privacy .prv-rights {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .prv-rights > li {
  padding: 14px 18px;
  background: rgba(10, 32, 56, 0.72);
  border: 1px solid var(--line);
  border-left: 3px solid var(--pulse);
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .prv-rights strong {
  color: var(--snow);
  font-weight: 700;
}

/* ---------- 行权入口 ---------- */

.page-privacy .prv-contact {
  margin-top: 22px;
  padding: 20px 22px;
  background: var(--ink-2);
  border: 2px solid var(--line);
  border-top: 4px solid var(--flare);
  box-shadow: var(--shadow-hard);
}

.page-privacy .prv-contact__label {
  margin: 0 0 10px;
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-privacy .prv-contact__mail {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(17px, 2.6vw, 23px);
  font-weight: 700;
  line-height: 1.35;
  color: var(--snow);
  word-break: break-all;
  font-variant-numeric: tabular-nums;
}

.page-privacy .prv-contact__hint {
  margin: 12px 0 0;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--mist);
}

/* ---------- 折叠补充 ---------- */

.page-privacy .prv-more {
  margin-top: 18px;
  padding: 12px 16px;
  background: rgba(5, 18, 31, 0.62);
  border: 1px solid var(--line);
}

.page-privacy .prv-more summary {
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  line-height: 1.6;
  color: var(--mist);
  list-style: none;
  position: relative;
  padding-left: 20px;
}

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

.page-privacy .prv-more summary::before {
  content: "+";
  position: absolute;
  left: 0;
  top: 0;
  font-family: var(--font-display);
  color: var(--pulse);
}

.page-privacy .prv-more[open] summary::before {
  content: "−";
}

.page-privacy .prv-more summary:hover,
.page-privacy .prv-more summary:focus-visible {
  color: var(--pulse);
  outline: none;
}

.page-privacy .prv-more summary:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 2px;
}

.page-privacy .prv-more p {
  margin: 12px 0 2px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--mist);
}

/* ---------- 相关说明 ---------- */

.page-privacy .prv-related {
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: clamp(24px, 3.4vw, 38px);
  border-top: 3px solid var(--line);
}

.page-privacy .prv-related__title {
  margin: 0;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.2vw, 24px);
  font-weight: 700;
  line-height: 1.3;
  color: var(--snow);
  padding-left: 16px;
  position: relative;
}

.page-privacy .prv-related__title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.18em;
  bottom: 0.14em;
  width: 6px;
  background: var(--pulse);
}

.page-privacy .prv-related__list {
  list-style: none;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .prv-related__list li {
  font-size: 15px;
  line-height: 1.8;
  color: var(--mist);
  padding-left: 16px;
  position: relative;
}

.page-privacy .prv-related__list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 7px;
  height: 2px;
  background: var(--flare);
}

.page-privacy .prv-related__list a {
  color: var(--pulse);
  font-weight: 600;
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .prv-related__list a:hover,
.page-privacy .prv-related__list a:focus-visible {
  color: var(--snow);
  outline: none;
}

.page-privacy .prv-related__list a:focus-visible {
  outline: 2px solid var(--pulse);
  outline-offset: 2px;
}

/* ---------- 响应式 ---------- */

@media (min-width: 720px) {
  .page-privacy .prv-facts {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-privacy .prv-body {
    grid-template-columns: var(--prv-rail-w) minmax(0, 1fr);
    gap: clamp(36px, 4.4vw, 60px);
    align-items: start;
  }

  .page-privacy .prv-rail {
    position: sticky;
    top: 104px;
  }

  .page-privacy .prv-rail__list {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
  }

  .page-privacy .prv-rail__list a {
    width: 100%;
    padding: 9px 0;
  }
}

@media (min-width: 1180px) {
  .page-privacy .prv-hero__lede {
    font-size: 18px;
  }
}

@media (max-width: 559px) {
  .page-privacy .prv-uses > li {
    padding-left: 40px;
  }

  .page-privacy .prv-uses > li::before {
    font-size: 15px;
  }

  .page-privacy .prv-hero__keys li {
    font-size: 12.5px;
    padding: 5px 10px;
  }

  .page-privacy .prv-contact {
    padding: 16px 16px;
  }

  .page-privacy .prv-sec__head {
    gap: 10px;
    padding-left: 16px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-rail__list a,
  .page-privacy .prv-fact,
  .page-privacy .prv-sec__head::before {
    transition: none;
  }

  .page-privacy .prv-rail__list a:hover,
  .page-privacy .prv-fact:hover {
    transform: none;
  }
}
</main>