.page-privacy {
  --pv-gutter: clamp(16px, 4vw, 48px);
  --pv-toc-w: 244px;
  --pv-body-text: #C9D4E2;
  background: var(--ink);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  overflow-x: hidden;
}

.page-privacy h1,
.page-privacy h2,
.page-privacy p,
.page-privacy ul,
.page-privacy ol,
.page-privacy figure {
  margin: 0;
  padding: 0;
}

.page-privacy ul,
.page-privacy ol {
  list-style: none;
}

.page-privacy a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid rgba(43, 232, 176, 0.35);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy a:hover {
  color: var(--text);
  border-bottom-color: var(--text);
}

/* ---------- 首屏 ---------- */

.page-privacy .pv-hero {
  position: relative;
  padding: clamp(24px, 4vw, 52px) 0 0;
  background:
    repeating-linear-gradient(0deg, rgba(46, 58, 80, 0.28) 0 1px, transparent 1px 54px),
    repeating-linear-gradient(90deg, rgba(46, 58, 80, 0.28) 0 1px, transparent 1px 54px),
    radial-gradient(130% 100% at 84% -10%, rgba(43, 232, 176, 0.16), transparent 58%),
    radial-gradient(90% 80% at 6% 110%, rgba(60, 90, 74, 0.38), transparent 62%),
    var(--ink);
  border-bottom: 1px solid var(--line);
}

.page-privacy .pv-hero__inner {
  max-width: var(--shell);
  margin: 0 auto;
  padding: 0 var(--pv-gutter);
  display: grid;
  gap: 16px;
}

.page-privacy .crumbs {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--muted);
  text-transform: uppercase;
}

.page-privacy .crumbs a {
  color: var(--muted);
  border-bottom: 0;
}

.page-privacy .crumbs a:hover {
  color: var(--accent);
}

.page-privacy .crumbs__sep {
  color: var(--line);
}

.page-privacy .crumbs [aria-current="page"] {
  color: var(--accent);
}

.page-privacy .pv-hero h1 {
  max-width: 20ch;
  font-family: var(--font-head);
  font-size: clamp(30px, 5vw, 54px);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--text);
}

.page-privacy .pv-hero__lede {
  max-width: 62ch;
  font-size: clamp(15px, 1.2vw, 17px);
  line-height: 1.78;
  color: var(--pv-body-text);
}

.page-privacy .pv-hero__chips {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.page-privacy .pv-hero__chips .tag {
  font-size: 12px;
  letter-spacing: 0.08em;
}

.page-privacy .pv-hero__band {
  position: relative;
  margin-top: clamp(22px, 3.6vw, 44px);
  border-top: 1px solid var(--line);
  overflow: hidden;
  background: var(--ink);
}

.page-privacy .pv-hero__band img {
  display: block;
  width: 100%;
  height: clamp(130px, 20vw, 300px);
  object-fit: cover;
  opacity: 0.5;
}

.page-privacy .pv-hero__band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(10, 15, 30, 0.94) 0%, rgba(10, 15, 30, 0.22) 46%, rgba(10, 15, 30, 0.88) 100%);
  pointer-events: none;
}

/* ---------- 正文骨架 ---------- */

.page-privacy .pv-body {
  max-width: var(--shell);
  margin: 0 auto;
  padding: clamp(28px, 4.5vw, 60px) var(--pv-gutter) clamp(36px, 5vw, 72px);
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(20px, 3vw, 32px);
  align-items: start;
}

/* ---------- 左侧目录 ---------- */

.page-privacy .pv-toc {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-plate);
  padding: 14px 12px 12px;
}

.page-privacy .pv-toc__title {
  font-family: var(--font-head);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.24em;
  color: var(--muted);
  text-transform: uppercase;
  padding: 0 6px 10px;
  border-bottom: 1px solid var(--line);
  margin-bottom: 10px;
}

.page-privacy .pv-toc__list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  padding-bottom: 4px;
  scrollbar-width: thin;
}

.page-privacy .pv-toc__item {
  flex: 0 0 auto;
}

.page-privacy .pv-toc__link {
  display: flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  font-size: 14px;
  line-height: 1.3;
  color: var(--muted);
  border-bottom: 2px solid transparent;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background 0.2s var(--ease);
}

.page-privacy .pv-toc__link:hover {
  color: var(--text);
  background: var(--panel-alt);
}

.page-privacy .pv-toc__link[aria-current] {
  color: var(--accent);
  border-bottom-color: var(--accent);
  background: linear-gradient(180deg, rgba(43, 232, 176, 0.1), transparent);
}

.page-privacy .pv-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-variant-numeric: tabular-nums;
  color: var(--accent-deep);
}

.page-privacy .pv-toc__link[aria-current] .pv-toc__num {
  color: var(--accent);
}

/* ---------- 条款面板 ---------- */

.page-privacy .pv-clauses {
  display: grid;
  gap: clamp(12px, 1.6vw, 18px);
  min-width: 0;
}

.page-privacy .pv-clause {
  border: 1px solid var(--line);
  background: var(--panel);
  box-shadow: var(--shadow-plate);
  scroll-margin-top: 96px;
}

.page-privacy .pv-clause__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: center;
  gap: 6px 14px;
  padding: 14px 16px;
  cursor: pointer;
  list-style: none;
  background: var(--panel-alt);
  border-bottom: 1px solid transparent;
  transition: background 0.2s var(--ease);
}

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

.page-privacy .pv-clause__head:hover {
  background: #202B40;
}

.page-privacy .pv-clause[open] > .pv-clause__head {
  border-bottom-color: var(--line);
}

.page-privacy .pv-clause__num {
  font-family: var(--font-head);
  font-size: clamp(20px, 2.4vw, 30px);
  font-weight: 600;
  line-height: 1;
  letter-spacing: -0.03em;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
}

.page-privacy .pv-clause__title {
  font-family: var(--font-head);
  font-size: clamp(17px, 1.8vw, 22px);
  font-weight: 600;
  line-height: 1.25;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .pv-clause__mark {
  position: relative;
  width: 22px;
  height: 22px;
  border: 1px solid var(--line);
  background: var(--ink);
  flex: 0 0 auto;
}

.page-privacy .pv-clause__mark::before {
  content: "";
  position: absolute;
  left: 5px;
  right: 5px;
  top: 50%;
  height: 1.5px;
  background: var(--accent);
  transform: translateY(-50%);
}

.page-privacy .pv-clause__mark::after {
  content: "";
  position: absolute;
  top: 5px;
  bottom: 5px;
  left: 50%;
  width: 1.5px;
  background: var(--accent);
  transform: translateX(-50%);
  transition: opacity 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-privacy .pv-clause[open] .pv-clause__mark::after {
  opacity: 0;
  transform: translateX(-50%) scaleY(0.2);
}

.page-privacy .pv-clause__body {
  padding: 16px 18px 20px;
  font-size: 15.5px;
  line-height: 1.7;
  color: var(--pv-body-text);
}

.page-privacy .pv-clause__body p + p {
  margin-top: 12px;
}

.page-privacy .pv-clause__body ul + p,
.page-privacy .pv-clause__body p + ul {
  margin-top: 14px;
}

.page-privacy .pv-list {
  display: grid;
  gap: 10px;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 20px;
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.62em;
  width: 7px;
  height: 7px;
  border: 1px solid var(--accent-deep);
  background: rgba(43, 232, 176, 0.18);
  transform: rotate(45deg);
}

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

.page-privacy .pv-key {
  color: var(--text);
  border-bottom: 1px solid var(--accent);
  white-space: nowrap;
}

/* ---------- 底部索引条 ---------- */

.page-privacy .pv-footbar {
  max-width: var(--shell);
  margin: 0 auto clamp(28px, 4vw, 56px);
  padding: clamp(18px, 2.6vw, 26px) var(--pv-gutter) 0;
  border-top: 1px solid var(--line);
  display: flex;
  flex-wrap: wrap;
  gap: 14px 24px;
  align-items: center;
  justify-content: space-between;
}

.page-privacy .pv-footbar__note {
  flex: 1 1 320px;
  min-width: 0;
  max-width: 58ch;
  font-size: 14px;
  line-height: 1.7;
  color: var(--muted);
}

.page-privacy .pv-footbar__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .pv-footbar__actions .btn {
  border-bottom: 0;
}

/* ---------- 响应式 ---------- */

@media (min-width: 1024px) {
  .page-privacy .pv-body {
    grid-template-columns: var(--pv-toc-w) minmax(0, 1fr);
    gap: clamp(32px, 4vw, 64px);
  }

  .page-privacy .pv-toc {
    position: sticky;
    top: 92px;
    padding: 18px 16px 16px;
  }

  .page-privacy .pv-toc__list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pv-toc__item {
    flex: 1 1 auto;
  }

  .page-privacy .pv-toc__link {
    white-space: normal;
    padding: 9px 12px;
    border-bottom: 0;
    border-left: 2px solid transparent;
  }

  .page-privacy .pv-toc__link[aria-current] {
    border-left-color: var(--accent);
    border-bottom-color: transparent;
    background: linear-gradient(90deg, rgba(43, 232, 176, 0.14), transparent 78%);
  }
}

@media (min-width: 1280px) {
  .page-privacy .pv-clause__head {
    grid-template-columns: 76px minmax(0, 1fr) auto;
    padding: 16px 22px;
  }

  .page-privacy .pv-clause__body {
    padding: 18px 22px 24px 98px;
  }
}

@media (max-width: 560px) {
  .page-privacy .pv-clause__head {
    grid-template-columns: auto minmax(0, 1fr) auto;
    padding: 12px 13px;
    gap: 4px 10px;
  }

  .page-privacy .pv-clause__body {
    padding: 14px 14px 18px;
    font-size: 15px;
  }

  .page-privacy .pv-clause__title {
    font-size: 16px;
  }

  .page-privacy .pv-footbar__actions {
    width: 100%;
  }

  .page-privacy .pv-footbar__actions .btn {
    flex: 1 1 auto;
    text-align: center;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc__link,
  .page-privacy .pv-clause__head,
  .page-privacy .pv-clause__mark::after,
  .page-privacy a {
    transition: none;
  }
}