.page-privacy {
  --pv-rail-w: 232px;
  --pv-line: rgba(34, 52, 95, 0.85);
  position: relative;
  color: var(--mist);
  font-family: var(--font-sans);
  background-color: var(--ink-900);
  background-image:
    linear-gradient(to right, rgba(34, 52, 95, 0.22) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(34, 52, 95, 0.14) 1px, transparent 1px);
  background-size: 72px 72px, 72px 72px;
  background-position: center top;
  overflow-x: hidden;
}

/* ---------- 首屏框景 ---------- */
.page-privacy .pv-hero {
  position: relative;
  isolation: isolate;
  padding: calc(var(--header-h) + 48px) 0 40px;
  overflow: hidden;
}
.page-privacy .pv-hero__media {
  position: absolute;
  inset: 0;
  z-index: -1;
}
.page-privacy .pv-hero__media img {
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: 0.4;
}
.page-privacy .pv-hero__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 90% at 15% 10%, rgba(240, 162, 43, 0.14), transparent 60%),
    linear-gradient(180deg, rgba(7, 14, 36, 0.62) 0%, rgba(7, 14, 36, 0.86) 46%, var(--ink-900) 100%);
}
.page-privacy .pv-hero__inner {
  position: relative;
}
.page-privacy .pv-hero .breadcrumbs {
  margin-bottom: 26px;
}
.page-privacy .pv-hero h1 {
  margin: 12px 0 0;
  max-width: 22em;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(28px, 6.4vw, 54px);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--white);
}
.page-privacy .pv-hero__lede {
  margin: 20px 0 0;
  max-width: 38ch;
  font-family: var(--font-serif);
  font-size: clamp(15px, 3.6vw, 18px);
  line-height: 1.9;
  color: var(--mist);
}

.page-privacy .pv-hero__facts {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 34px;
  margin: 34px 0 0;
  padding: 22px 0 0;
  list-style: none;
  border-top: 1px solid var(--steel);
}
.page-privacy .pv-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  min-width: 120px;
}
.page-privacy .pv-hero__num {
  font-family: var(--font-mono);
  font-size: clamp(24px, 6vw, 34px);
  line-height: 1;
  font-weight: 700;
  color: var(--white);
  letter-spacing: -0.02em;
}
.page-privacy .pv-hero__label {
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist-dim);
}

/* ---------- 主体：索引 + 阅读带 ---------- */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 36px;
  padding-bottom: 88px;
}
.page-privacy .pv-rail {
  padding-top: 4px;
}
.page-privacy .pv-rail__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  color: var(--mist-dim);
}
.page-privacy .pv-rail__list {
  display: flex;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0 0 6px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.page-privacy .pv-rail__list a {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding: 9px 12px;
  border: 1px solid var(--steel);
  border-radius: var(--radius);
  font-size: 13px;
  line-height: 1.4;
  white-space: nowrap;
  text-decoration: none;
  color: var(--mist);
  background: rgba(14, 26, 60, 0.5);
  transition: border-color 0.24s var(--ease), color 0.24s var(--ease), background-color 0.24s var(--ease);
}
.page-privacy .pv-rail__list a:hover,
.page-privacy .pv-rail__list a:focus-visible {
  border-color: var(--gold);
  color: var(--white);
  background: rgba(240, 162, 43, 0.08);
  outline: none;
}
.page-privacy .pv-rail__list .num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--gold);
}
.page-privacy .pv-rail__note {
  margin: 0;
  padding-left: 12px;
  border-left: 1px solid var(--steel);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--mist-dim);
}

.page-privacy .pv-read {
  min-width: 0;
  max-width: 720px;
}

/* ---------- 章节 ---------- */
.page-privacy .pv-chapter {
  position: relative;
  border-top: 1px solid var(--pv-line);
}
.page-privacy .pv-chapter::before {
  content: "";
  position: absolute;
  top: -4px;
  left: 0;
  width: 7px;
  height: 7px;
  background: var(--gold);
}
.page-privacy .pv-chapter > summary::-webkit-details-marker {
  display: none;
}
.page-privacy .pv-chapter > summary::marker {
  content: "";
}
.page-privacy .pv-chapter__head {
  display: flex;
  align-items: flex-start;
  gap: 16px;
  padding: 26px 0 20px;
  cursor: pointer;
  list-style: none;
}
.page-privacy .pv-chapter__head:focus-visible {
  outline: 1px solid var(--gold);
  outline-offset: 4px;
}
.page-privacy .pv-chapter__num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: clamp(26px, 7vw, 42px);
  line-height: 0.95;
  font-weight: 700;
  color: var(--gold);
  letter-spacing: -0.03em;
}
.page-privacy .pv-chapter__meta {
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-width: 0;
}
.page-privacy .pv-chapter__title {
  margin: 0;
  font-family: var(--font-sans);
  font-weight: 900;
  font-size: clamp(18px, 4.4vw, 25px);
  line-height: 1.35;
  letter-spacing: -0.01em;
  color: var(--white);
}
.page-privacy .pv-chapter__kicker {
  font-size: 11.5px;
  letter-spacing: 0.12em;
  color: var(--mist-dim);
}
.page-privacy .pv-chapter__toggle {
  margin-left: auto;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 18px;
  line-height: 1;
  color: var(--mist-dim);
}
.page-privacy .pv-chapter__toggle::after {
  content: "−";
}
.page-privacy .pv-chapter:not([open]) .pv-chapter__toggle::after {
  content: "+";
}
.page-privacy .pv-chapter__body {
  padding: 0 0 38px;
}

.page-privacy .pv-prose p {
  margin: 0 0 16px;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--mist);
}
.page-privacy .pv-prose p:last-child {
  margin-bottom: 0;
}
.page-privacy .pv-prose a {
  color: var(--violet);
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-privacy .pv-prose a:hover,
.page-privacy .pv-prose a:focus-visible {
  color: var(--gold-soft);
}
.page-privacy .pv-key {
  display: inline-block;
  padding: 1px 9px;
  border-radius: var(--radius);
  background: var(--white);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 0.94em;
  font-weight: 700;
  letter-spacing: 0.01em;
}

/* ---------- 信息类型表 ---------- */
.page-privacy .pv-table-wrap {
  margin: 4px 0 22px;
  overflow-x: auto;
  border: 1px solid var(--pv-line);
  background: rgba(14, 26, 60, 0.55);
}
.page-privacy .pv-table {
  width: 100%;
  min-width: 540px;
  border-collapse: collapse;
}
.page-privacy .pv-table th,
.page-privacy .pv-table td {
  padding: 14px 16px;
  text-align: left;
  vertical-align: top;
  border-bottom: 1px solid var(--steel);
  font-size: 14px;
  line-height: 1.75;
}
.page-privacy .pv-table thead th {
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--mist-dim);
  background: rgba(19, 33, 80, 0.6);
}
.page-privacy .pv-table td {
  color: var(--mist);
}
.page-privacy .pv-table td:first-child {
  color: var(--white);
  font-weight: 700;
  white-space: nowrap;
}
.page-privacy .pv-table tbody tr:last-child th,
.page-privacy .pv-table tbody tr:last-child td {
  border-bottom: 0;
}

/* ---------- 选项列表 ---------- */
.page-privacy .pv-list {
  display: grid;
  gap: 14px;
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}
.page-privacy .pv-list li {
  position: relative;
  padding-left: 26px;
  max-width: 38em;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--mist);
}
.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.66em;
  width: 8px;
  height: 8px;
  border: 1px solid var(--gold);
  transform: rotate(45deg);
}

/* ---------- 收束联系带 ---------- */
.page-privacy .pv-tail {
  margin-top: 8px;
  padding: 30px 22px 32px;
  border: 1px solid var(--steel);
  border-left: 3px solid var(--gold);
  background: linear-gradient(180deg, rgba(14, 26, 60, 0.9), rgba(7, 14, 36, 0.9));
  box-shadow: var(--shadow-card);
}
.page-privacy .pv-tail__label {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.16em;
  color: var(--gold-soft);
}
.page-privacy .pv-tail__mail {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 14px;
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: clamp(14px, 3.6vw, 17px);
  color: var(--white);
  word-break: break-all;
}
.page-privacy .pv-tail__mail span {
  font-family: var(--font-sans);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--mist-dim);
}
.page-privacy .pv-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .pv-hero {
    padding: calc(var(--header-h) + 72px) 0 56px;
  }
  .page-privacy .pv-hero__facts {
    gap: 16px 56px;
  }
  .page-privacy .pv-tail {
    padding: 34px 32px 36px;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-body {
    grid-template-columns: var(--pv-rail-w) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 76px);
    padding-bottom: 120px;
  }
  .page-privacy .pv-rail {
    position: sticky;
    top: calc(var(--header-h) + 28px);
    align-self: start;
  }
  .page-privacy .pv-rail__list {
    display: grid;
    gap: 6px;
    overflow: visible;
    padding-bottom: 0;
    margin-bottom: 22px;
  }
  .page-privacy .pv-rail__list a {
    background: transparent;
    white-space: normal;
  }
  .page-privacy .pv-chapter__head {
    padding: 32px 0 24px;
  }
  .page-privacy .pv-chapter__num {
    min-width: 68px;
  }
}

@media (min-width: 1180px) {
  .page-privacy .pv-read {
    max-width: 760px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-rail__list a {
    transition: none;
  }
}