.page-privacy {
  --pr-ink: #0A1B33;
  --pr-text: #33445c;
  --pr-dim: #7d8ea8;
  --pr-divider: #D7E0EE;
  background: var(--ink-900);
  color: var(--graphite);
}

.page-privacy *,
.page-privacy *::before,
.page-privacy *::after {
  box-sizing: border-box;
}

/* ---------- 首屏 ---------- */
.page-privacy .pr-hero {
  position: relative;
  background: var(--ink-900);
  overflow: hidden;
}

.page-privacy .pr-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(215, 224, 238, 0.055) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(215, 224, 238, 0.055) 1px, transparent 1px);
  background-size: 64px 64px;
  -webkit-mask-image: radial-gradient(130% 85% at 12% 0%, #000 22%, transparent 78%);
  mask-image: radial-gradient(130% 85% at 12% 0%, #000 22%, transparent 78%);
  pointer-events: none;
}

.page-privacy .pr-hero__inner {
  position: relative;
  z-index: 1;
  padding: 60px 0 44px;
}

.page-privacy .breadcrumbs {
  font-size: 0.8125rem;
  letter-spacing: 0.04em;
  color: var(--text-on-dark-dim);
}

.page-privacy .breadcrumbs a {
  color: var(--text-on-dark-dim);
  text-decoration: none;
  transition: color 200ms var(--ease);
}

.page-privacy .breadcrumbs a:hover {
  color: var(--whistle);
}

.page-privacy .breadcrumbs__sep {
  margin: 0 8px;
  opacity: 0.5;
}

.page-privacy .pr-hero__kicker {
  margin: 28px 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.22em;
  color: var(--whistle);
}

.page-privacy .pr-hero__title {
  margin: 0;
  max-width: 20ch;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.85rem, 7vw, 3.9rem);
  line-height: 1.08;
  letter-spacing: -0.02em;
  color: var(--ice);
}

.page-privacy .pr-hero__lede {
  margin: 22px 0 0;
  max-width: 60ch;
  font-size: clamp(0.9375rem, 2.2vw, 1.0625rem);
  line-height: 1.85;
  color: var(--text-on-dark);
}

.page-privacy .pr-hero__strip {
  position: relative;
  z-index: 1;
  border-top: 1px solid rgba(215, 224, 238, 0.1);
}

.page-privacy .pr-hero__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(120px, 22vw, 220px);
  object-fit: cover;
  opacity: 0.5;
}

/* ---------- 主体区 ---------- */
.page-privacy .pr-body {
  background: var(--ice);
  padding: 42px 0 64px;
}

.page-privacy .pr-body__inner {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 34px;
}

/* ---------- 目录 ---------- */
.page-privacy .pr-index {
  border-top: 1px solid var(--pr-divider);
  padding-top: 20px;
}

.page-privacy .pr-index__label {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.22em;
  color: var(--pr-dim);
}

.page-privacy .pr-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-privacy .pr-index__link {
  display: grid;
  grid-template-columns: 24px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 8px 10px 8px 12px;
  border-left: 3px solid transparent;
  color: #5b6c85;
  font-size: 0.875rem;
  line-height: 1.5;
  text-decoration: none;
  transition: color 200ms var(--ease), border-color 200ms var(--ease), background-color 200ms var(--ease);
}

.page-privacy .pr-index__link:hover {
  color: var(--ink-900);
  background: rgba(10, 27, 51, 0.035);
}

.page-privacy .pr-index__link[aria-current="true"] {
  color: var(--ink-900);
  font-weight: 600;
  border-left-color: var(--whistle);
  background: rgba(10, 27, 51, 0.045);
}

.page-privacy .pr-index__num {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.08em;
  color: var(--pr-dim);
}

/* ---------- 章节 ---------- */
.page-privacy .pr-main {
  min-width: 0;
}

.page-privacy .pr-sect {
  position: relative;
  padding: 30px 0 34px 18px;
  border-top: 1px solid var(--pr-divider);
  scroll-margin-top: 96px;
}

.page-privacy .pr-sect::before {
  content: "";
  position: absolute;
  left: 0;
  top: 34px;
  width: 3px;
  height: 28px;
  background: var(--whistle);
  opacity: 0.75;
  transition: opacity 200ms var(--ease), height 200ms var(--ease);
}

.page-privacy .pr-sect:first-of-type {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pr-sect:first-of-type::before {
  top: 5px;
}

.page-privacy .pr-sect[data-active="true"]::before {
  opacity: 1;
  height: 34px;
}

.page-privacy .pr-sect__head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 12px;
  margin: 0 0 16px;
}

.page-privacy .pr-sect__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--pr-dim);
}

.page-privacy .pr-sect__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(1.28rem, 3.6vw, 1.75rem);
  line-height: 1.3;
  letter-spacing: -0.01em;
  color: var(--ink-900);
}

.page-privacy .pr-text {
  max-width: 70ch;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--pr-text);
}

.page-privacy .pr-text p {
  margin: 0 0 15px;
}

.page-privacy .pr-text p:last-child {
  margin-bottom: 0;
}

.page-privacy .pr-text--after {
  margin-top: 18px;
}

.page-privacy .pr-text a {
  color: var(--ink-800);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 0.22em;
}

.page-privacy .pr-text a:hover {
  color: var(--ink-900);
  text-decoration-color: var(--whistle);
}

/* ---------- 信息类型卡 ---------- */
.page-privacy .pr-items {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin: 22px 0 0;
  background: var(--pr-divider);
  border: 1px solid var(--pr-divider);
  border-radius: 3px;
  overflow: hidden;
}

.page-privacy .pr-item {
  background: #ffffff;
  padding: 20px 18px 22px;
}

.page-privacy .pr-item__k {
  display: block;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.2em;
  color: var(--pr-dim);
}

.page-privacy .pr-item__name {
  margin: 0 0 8px;
  font-size: 1rem;
  font-weight: 600;
  color: var(--ink-900);
}

.page-privacy .pr-item p {
  margin: 0;
  font-size: 0.875rem;
  line-height: 1.75;
  color: #45566e;
}

/* ---------- 要点列表 ---------- */
.page-privacy .pr-list {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
  max-width: 70ch;
  display: grid;
  gap: 14px;
}

.page-privacy .pr-list li {
  display: grid;
  grid-template-columns: 18px minmax(0, 1fr);
  gap: 10px;
  font-size: 0.9375rem;
  line-height: 1.8;
  color: var(--pr-text);
}

.page-privacy .pr-list li::before {
  content: "";
  width: 7px;
  height: 7px;
  margin-top: 0.62em;
  background: var(--whistle);
  border: 1px solid rgba(10, 27, 51, 0.28);
}

.page-privacy .pr-list strong {
  color: var(--ink-900);
  font-weight: 600;
}

/* ---------- 联系卡 ---------- */
.page-privacy .pr-contact {
  margin: 24px 0 0;
  max-width: 640px;
  padding: 24px 20px 22px;
  border-radius: 3px;
  background: linear-gradient(150deg, var(--ink-800) 0%, var(--ink-900) 72%);
  box-shadow: var(--shadow-card);
}

.page-privacy .pr-contact__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .pr-contact__row {
  display: grid;
  grid-template-columns: 62px minmax(0, 1fr);
  gap: 12px;
  align-items: baseline;
}

.page-privacy .pr-contact__k {
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.18em;
  color: var(--mist);
}

.page-privacy .pr-contact__v {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--ice);
  overflow-wrap: anywhere;
}

.page-privacy .pr-contact__note {
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid rgba(215, 224, 238, 0.14);
  font-size: 0.8125rem;
  line-height: 1.7;
  color: var(--text-on-dark-dim);
}

/* ---------- 底部指引 ---------- */
.page-privacy .pr-links {
  margin: 26px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--pr-divider);
  display: flex;
  flex-wrap: wrap;
  gap: 10px 24px;
  font-size: 0.875rem;
}

.page-privacy .pr-links a {
  color: var(--ink-800);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid rgba(10, 27, 51, 0.25);
  transition: border-color 200ms var(--ease), color 200ms var(--ease);
}

.page-privacy .pr-links a:hover {
  color: var(--ink-900);
  border-bottom-color: var(--whistle);
}

/* ---------- 响应式 ---------- */
@media (min-width: 560px) and (max-width: 959px) {
  .page-privacy .pr-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (min-width: 780px) {
  .page-privacy .pr-items {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 960px) {
  .page-privacy .pr-hero__inner {
    padding: 100px 0 60px;
  }

  .page-privacy .pr-body {
    padding: 76px 0 104px;
  }

  .page-privacy .pr-body__inner {
    grid-template-columns: 228px minmax(0, 1fr);
    gap: 68px;
    align-items: start;
  }

  .page-privacy .pr-index {
    position: sticky;
    top: 92px;
    border-top: 0;
    padding-top: 4px;
  }
}

@media (max-width: 640px) {
  .page-privacy .pr-text {
    font-size: 0.9375rem;
    line-height: 1.9;
    max-width: 100%;
  }

  .page-privacy .pr-sect {
    padding-left: 14px;
  }
}

@media (max-width: 420px) {
  .page-privacy .pr-contact__row {
    grid-template-columns: minmax(0, 1fr);
    gap: 4px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pr-index__link,
  .page-privacy .pr-sect::before,
  .page-privacy .pr-links a {
    transition: none;
  }
}