.page-privacy {
  --pv-paper: #F2F5FA;
  --pv-ink: #0F1B2C;
  --pv-ink-soft: #40536F;
  --pv-line: #D5DEEB;
  --pv-accent: #0C7C6E;
  --pv-accent-warm: #C2461A;
  --pv-link: #0B5FA8;
  display: block;
  position: relative;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  isolation: isolate;
  background:
    radial-gradient(120% 150% at 84% 6%, rgba(44, 224, 200, 0.16) 0%, rgba(44, 224, 200, 0) 58%),
    linear-gradient(158deg, #12233A 0%, #0E1B2E 42%, #060D18 100%);
  border-bottom: 1px solid #22344F;
}

.page-privacy .pv-hero__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center;
  opacity: 0.4;
  pointer-events: none;
  z-index: 0;
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
  max-width: 1180px;
  margin-inline: auto;
  padding: clamp(24px, 4vw, 42px) clamp(18px, 4vw, 40px) clamp(48px, 8vw, 96px);
}

.page-privacy .pv-hero .breadcrumbs__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pv-hero .breadcrumbs__link,
.page-privacy .pv-hero .breadcrumbs__item span {
  font-size: 0.75rem;
  letter-spacing: 0.06em;
  color: #8FA2BC;
  text-decoration: none;
}

.page-privacy .pv-hero .breadcrumbs__link:hover {
  color: #2CE0C8;
}

.page-privacy .pv-hero .breadcrumbs__sep {
  color: #22344F;
  font-size: 0.75rem;
}

.page-privacy .pv-hero__eyebrow {
  margin: clamp(22px, 3.4vw, 38px) 0 14px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: #2CE0C8;
  text-transform: uppercase;
}

.page-privacy .pv-hero h1 {
  margin: 0;
  max-width: 19ch;
  font-size: clamp(1.9rem, 5.4vw, 3.5rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  font-weight: 900;
  color: #EAF1FA;
}

.page-privacy .pv-hero__lead {
  margin: clamp(16px, 2.4vw, 26px) 0 0;
  max-width: 46ch;
  font-size: clamp(0.9375rem, 1.4vw, 1.0625rem);
  line-height: 1.85;
  color: #C6D5E8;
}

.page-privacy .pv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px clamp(18px, 3vw, 40px);
  margin: clamp(28px, 4vw, 46px) 0 0;
  padding: 0;
  list-style: none;
  font-size: 0.875rem;
  color: #8FA2BC;
}

.page-privacy .pv-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  min-width: 0;
  padding-left: 14px;
  border-left: 2px solid #22344F;
  font-family: var(--mono);
  font-size: 0.8125rem;
  letter-spacing: 0.02em;
  color: #B9C9DC;
  word-break: break-word;
}

.page-privacy .pv-hero__meta li .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: #5E7EA6;
  text-transform: uppercase;
}

.page-privacy .pv-hero__meta li a {
  color: #2CE0C8;
  text-decoration: none;
  border-bottom: 1px solid rgba(44, 224, 200, 0.35);
  align-self: flex-start;
}

.page-privacy .pv-hero__meta li a:hover {
  border-bottom-color: #2CE0C8;
}

/* ---------- 主栅格 ---------- */
.page-privacy .pv-shell {
  max-width: 1180px;
  margin-inline: auto;
  padding: clamp(38px, 6vw, 82px) clamp(18px, 4vw, 40px) clamp(60px, 9vw, 120px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

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

/* ---------- 浅色长文层 ---------- */
.page-privacy .pv-paper {
  background: var(--pv-paper);
  color: var(--pv-ink);
  border: 1px solid rgba(34, 52, 79, 0.14);
  border-radius: 2px;
  padding: clamp(22px, 4vw, 54px) clamp(20px, 4vw, 56px);
  box-shadow: 0 34px 76px -52px rgba(0, 0, 0, 0.9);
}

.page-privacy .pv-paper a {
  color: var(--pv-link);
  text-decoration: none;
  border-bottom: 1px solid rgba(11, 95, 168, 0.35);
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease);
}

.page-privacy .pv-paper a:hover {
  color: #094B85;
  border-bottom-color: #094B85;
}

/* ---------- 章节 ---------- */
.page-privacy .pv-sec + .pv-sec {
  margin-top: clamp(38px, 5.5vw, 66px);
  padding-top: clamp(32px, 5vw, 56px);
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-sec__num {
  display: flex;
  align-items: center;
  gap: 14px;
  margin: 0 0 clamp(14px, 2vw, 22px);
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--pv-accent);
}

.page-privacy .pv-sec__num::after {
  content: "";
  flex: 1;
  height: 1px;
  background: linear-gradient(90deg, rgba(12, 124, 110, 0.4), rgba(12, 124, 110, 0));
}

.page-privacy .pv-sec__title {
  margin: 0 0 clamp(16px, 2.4vw, 24px);
  max-width: 24ch;
  font-size: clamp(1.2rem, 2.4vw, 1.72rem);
  line-height: 1.32;
  letter-spacing: -0.01em;
  font-weight: 800;
  color: var(--pv-ink);
}

.page-privacy .pv-sec p {
  margin: 0 0 1.1em;
  max-width: 36em;
  font-size: clamp(0.9375rem, 1.3vw, 1rem);
  line-height: 1.9;
  color: var(--pv-ink-soft);
}

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

/* ---------- 三类信息 ---------- */
.page-privacy .pv-stack {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-privacy .pv-item {
  padding: clamp(14px, 2vw, 22px) clamp(14px, 2vw, 22px) clamp(14px, 2vw, 22px) clamp(16px, 2.4vw, 26px);
  background: linear-gradient(90deg, rgba(14, 27, 46, 0.06), rgba(14, 27, 46, 0) 72%);
  border-left: 3px solid var(--pv-accent);
  border-radius: 0 2px 2px 0;
}

.page-privacy .pv-item:nth-child(2) {
  border-left-color: var(--pv-accent-warm);
}

.page-privacy .pv-item:nth-child(3) {
  border-left-color: #2F6BFF;
}

.page-privacy .pv-item p {
  margin: 0 0 7px;
  max-width: 40em;
}

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

.page-privacy .pv-item__label {
  font-size: 11px;
  letter-spacing: 0.16em;
  font-weight: 700;
  color: var(--pv-accent);
}

.page-privacy .pv-item:nth-child(2) .pv-item__label {
  color: var(--pv-accent-warm);
}

.page-privacy .pv-item:nth-child(3) .pv-item__label {
  color: #2F6BFF;
}

/* ---------- 使用目的 ---------- */
.page-privacy .pv-use {
  display: grid;
  gap: clamp(12px, 2vw, 18px);
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-privacy .pv-use__item {
  position: relative;
  padding: clamp(18px, 2.4vw, 24px) clamp(14px, 2vw, 20px) clamp(14px, 2vw, 20px);
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid var(--pv-line);
  border-radius: 2px;
}

.page-privacy .pv-use__item::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 40px;
  height: 3px;
  background: var(--pv-accent);
}

.page-privacy .pv-use__item:nth-child(even)::before {
  background: var(--pv-accent-warm);
}

.page-privacy .pv-use__idx {
  margin: 0 0 8px;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: #8FA2BC;
}

.page-privacy .pv-use__item h3 {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 800;
  letter-spacing: 0.01em;
  color: var(--pv-ink);
}

.page-privacy .pv-use__item p {
  margin: 0;
  max-width: none;
  font-size: 0.9375rem;
  line-height: 1.82;
}

/* ---------- 保存与安全 ---------- */
.page-privacy .pv-keep {
  margin-top: clamp(18px, 2.6vw, 26px);
  border-top: 1px solid var(--pv-line);
}

.page-privacy .pv-keep__row {
  display: grid;
  gap: 6px;
  padding: clamp(13px, 2vw, 18px) 0;
  border-bottom: 1px solid var(--pv-line);
}

.page-privacy .pv-keep__key {
  font-size: 0.8125rem;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--pv-ink);
}

.page-privacy .pv-keep__val {
  font-size: 0.9375rem;
  line-height: 1.85;
  color: var(--pv-ink-soft);
}

/* ---------- 你的操作 ---------- */
.page-privacy .pv-rights {
  display: grid;
  gap: 10px;
  margin-top: clamp(18px, 2.6vw, 26px);
}

.page-privacy .pv-fold {
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid var(--pv-line);
  border-radius: 2px;
}

.page-privacy .pv-fold summary {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: clamp(13px, 1.8vw, 17px) clamp(14px, 2vw, 20px);
  font-size: 0.9375rem;
  font-weight: 700;
  color: var(--pv-ink);
  cursor: pointer;
  list-style: none;
  transition: color 0.25s var(--ease), background-color 0.25s var(--ease);
}

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

.page-privacy .pv-fold summary::before {
  content: "+";
  flex: none;
  width: 14px;
  font-family: var(--mono);
  font-size: 1rem;
  line-height: 1;
  color: var(--pv-accent);
}

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

.page-privacy .pv-fold summary:hover {
  color: var(--pv-accent);
  background-color: rgba(12, 124, 110, 0.05);
}

.page-privacy .pv-fold p {
  margin: 0;
  padding: 0 clamp(14px, 2vw, 20px) clamp(14px, 2vw, 20px) clamp(40px, 5vw, 46px);
  max-width: 40em;
  font-size: 0.9375rem;
  line-height: 1.85;
}

/* ---------- 目录侧栏 ---------- */
.page-privacy .pv-toc {
  order: -1;
  padding: clamp(16px, 2.4vw, 24px);
  background: rgba(14, 27, 46, 0.72);
  border: 1px solid #22344F;
  border-radius: 2px;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}

.page-privacy .pv-toc__title {
  margin: 0 0 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid #22344F;
  font-size: 11px;
  letter-spacing: 0.18em;
  color: #2CE0C8;
  text-transform: uppercase;
}

.page-privacy .pv-toc .index-nav__list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: max-content;
  gap: 6px;
  margin: 0;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .pv-toc .index-nav__link {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 8px 12px;
  border: 0;
  border-bottom: 2px solid transparent;
  white-space: nowrap;
  font-size: 0.8125rem;
  line-height: 1.5;
  color: #8FA2BC;
  text-decoration: none;
  transition: color 0.25s var(--ease), border-color 0.25s var(--ease), background-color 0.25s var(--ease);
}

.page-privacy .pv-toc .index-nav__link .mono {
  font-size: 11px;
  letter-spacing: 0.1em;
  color: #48699A;
}

.page-privacy .pv-toc .index-nav__link:hover {
  color: #EAF1FA;
  background-color: rgba(44, 224, 200, 0.08);
}

.page-privacy .pv-toc .index-nav__link[aria-current="true"],
.page-privacy .pv-toc .index-nav__link[aria-current="location"] {
  color: #2CE0C8;
  border-bottom-color: #2CE0C8;
  background-color: rgba(44, 224, 200, 0.1);
}

.page-privacy .pv-toc .index-nav__link[aria-current="true"] .mono,
.page-privacy .pv-toc .index-nav__link[aria-current="location"] .mono {
  color: #2CE0C8;
}

.page-privacy .pv-toc__top {
  margin-top: 14px;
  width: 100%;
  justify-content: center;
  text-align: center;
}

/* ---------- 桌面端 ---------- */
@media (min-width: 1000px) {
  .page-privacy .pv-shell {
    grid-template-columns: minmax(0, 7.4fr) minmax(216px, 2.6fr);
    gap: clamp(36px, 4vw, 62px);
  }

  .page-privacy .pv-toc {
    order: 0;
    position: sticky;
    top: calc(var(--topbar-h) + 20px);
  }

  .page-privacy .pv-toc .index-nav__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    overflow-x: visible;
    padding-bottom: 0;
    gap: 2px;
  }

  .page-privacy .pv-toc .index-nav__link {
    border-bottom: 0;
    border-left: 2px solid transparent;
    white-space: normal;
    padding: 9px 10px 9px 12px;
    font-size: 0.8125rem;
  }

  .page-privacy .pv-toc .index-nav__link[aria-current="true"],
  .page-privacy .pv-toc .index-nav__link[aria-current="location"] {
    border-left-color: #2CE0C8;
    border-bottom-color: transparent;
  }
}

@media (min-width: 620px) {
  .page-privacy .pv-use {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .pv-use__item:nth-child(even) {
    padding-top: clamp(26px, 3.4vw, 36px);
  }
}

@media (min-width: 660px) {
  .page-privacy .pv-keep__row {
    grid-template-columns: minmax(120px, 0.85fr) minmax(0, 2.15fr);
    gap: clamp(16px, 3vw, 34px);
    align-items: baseline;
  }
}

@media (max-width: 480px) {
  .page-privacy .pv-hero h1 {
    max-width: none;
  }

  .page-privacy .pv-hero__meta {
    gap: 10px;
  }

  .page-privacy .pv-hero__meta li {
    flex: 1 1 100%;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-hero__texture {
    opacity: 0.34;
  }

  .page-privacy .pv-paper a,
  .page-privacy .pv-fold summary,
  .page-privacy .pv-toc .index-nav__link {
    transition: none;
  }
}