.page-privacy {
  --doc-toc-w: 236px;
  --doc-gap: clamp(28px, 5vw, 64px);
  --doc-text: rgba(242, 247, 244, .86);
  --doc-screen: rgba(7, 11, 14, .72);
  background: var(--ink);
  color: var(--paper);
  font-family: var(--font-sans);
  overflow-x: hidden;
}

.page-privacy .display {
  font-size: clamp(30px, 7.4vw, 62px);
  line-height: 1.08;
  font-weight: 900;
  letter-spacing: -.02em;
  margin: 0 0 20px;
  color: var(--paper);
}

.page-privacy .display--slant {
  transform: skewX(-1.6deg);
  transform-origin: left center;
}

.page-privacy .eyebrow {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--cyan);
  margin: 0 0 18px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.page-privacy .eyebrow::before {
  content: "";
  width: 28px;
  height: 2px;
  background: var(--grad-cool);
  display: inline-block;
}

/* ---------- 页面头 ---------- */
.page-privacy .doc-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(36px, 7vw, 84px) 0 clamp(32px, 5vw, 64px);
  border-bottom: 1px solid var(--rule);
  background:
    radial-gradient(120% 90% at 8% -30%, rgba(47, 191, 113, .22), transparent 62%),
    radial-gradient(90% 80% at 102% 0%, rgba(39, 230, 214, .14), transparent 58%),
    var(--ink);
}

.page-privacy .doc-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .26;
  filter: saturate(.75) contrast(1.05);
  z-index: -2;
}

.page-privacy .doc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: -1;
  background: linear-gradient(180deg, rgba(7, 11, 14, .35) 0%, rgba(7, 11, 14, .82) 72%, var(--ink) 100%);
}

.page-privacy .doc-hero__inner {
  position: relative;
}

.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--mist);
  margin-bottom: clamp(24px, 4vw, 44px);
}

.page-privacy .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  padding-bottom: 2px;
}

.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .breadcrumb__sep {
  color: var(--rule);
}

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

.page-privacy .lede {
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--doc-text);
  margin: 0 0 clamp(26px, 4vw, 40px);
}

.page-privacy .doc-hero__meta {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}

.page-privacy .doc-hero__meta li {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 8px 14px;
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: rgba(13, 26, 20, .78);
  font-size: 13px;
  color: var(--paper);
}

.page-privacy .doc-hero__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .12em;
  color: var(--green);
}

/* ---------- 文档骨架 ---------- */
.page-privacy .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: var(--doc-gap);
  padding-top: clamp(32px, 5vw, 56px);
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .doc-toc {
  border: 1px solid var(--rule);
  background: var(--panel-bg);
  padding: 20px 18px;
  box-shadow: 6px 6px 0 rgba(13, 26, 20, .9);
}

.page-privacy .doc-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-serif);
  font-size: 15px;
  letter-spacing: .18em;
  color: var(--mist);
}

.page-privacy .doc-toc__list {
  list-style: none;
  margin: 0 0 16px;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .doc-toc__list a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  min-height: 44px;
  padding: 10px 12px;
  border-left: 2px solid var(--rule);
  color: var(--doc-text);
  font-size: 14px;
  line-height: 1.5;
  text-decoration: none;
  transition: border-color .18s var(--ease), color .18s var(--ease), background-color .18s var(--ease);
}

.page-privacy .doc-toc__list a:hover,
.page-privacy .doc-toc__list a:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(39, 230, 214, .08);
  color: var(--paper);
}

.page-privacy .doc-toc__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
  flex: none;
}

.page-privacy .doc-toc__top {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid var(--rule);
}

.page-privacy .doc-toc__top:hover,
.page-privacy .doc-toc__top:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 正文 ---------- */
.page-privacy .doc-body {
  min-width: 0;
  max-width: 76ch;
}

.page-privacy .doc-intro {
  font-family: var(--font-serif);
  font-size: clamp(16px, 1.9vw, 19px);
  line-height: 1.9;
  color: var(--paper);
  padding: 0 0 clamp(20px, 3vw, 28px);
  margin: 0;
  border-bottom: 1px solid var(--rule);
}

.page-privacy .doc-sec {
  padding: clamp(30px, 4.6vw, 52px) 0 0;
  margin-top: clamp(30px, 4.6vw, 52px);
  border-top: 1px solid var(--rule);
}

.page-privacy .doc-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 20px;
}

.page-privacy .doc-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .14em;
  color: var(--cyan);
  flex: none;
  padding-top: 4px;
}

.page-privacy .doc-sec__num::after {
  content: "";
  display: block;
  width: 22px;
  height: 2px;
  margin-top: 8px;
  background: var(--grad-cool);
}

.page-privacy .doc-sec__title {
  margin: 0;
  font-size: clamp(21px, 3.2vw, 30px);
  line-height: 1.32;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .doc-body p {
  font-size: clamp(15px, 1.5vw, 16.5px);
  line-height: 1.85;
  color: var(--doc-text);
  margin: 0 0 16px;
}

.page-privacy .doc-body h3 {
  margin: 26px 0 10px;
  font-size: 17px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--paper);
  padding-left: 12px;
  border-left: 3px solid var(--green);
  line-height: 1.5;
}

.page-privacy .doc-body a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(39, 230, 214, .45);
}

.page-privacy .doc-body a:hover,
.page-privacy .doc-body a:focus-visible {
  border-bottom-color: var(--cyan);
  color: var(--paper);
}

/* 信息类型卡片 */
.page-privacy .doc-cards {
  display: grid;
  gap: 14px;
  margin: 22px 0 18px;
}

.page-privacy .doc-card {
  border: 1px solid var(--rule);
  border-radius: 2px;
  background: var(--panel-bg);
  padding: 18px 18px 6px;
  box-shadow: 4px 4px 0 rgba(7, 11, 14, .7);
}

.page-privacy .doc-card h3 {
  margin: 0 0 10px;
  padding-left: 0;
  border-left: 0;
  font-size: 16px;
  color: var(--lime);
}

.page-privacy .doc-card p {
  font-size: 15px;
  margin-bottom: 12px;
}

.page-privacy .doc-note {
  margin: 18px 0 0;
  padding: 16px 18px;
  border: 1px solid var(--rule);
  border-left: 3px solid var(--amber);
  background: rgba(255, 90, 54, .07);
}

.page-privacy .doc-note p {
  margin: 0;
  font-size: 15px;
  color: var(--paper);
}

/* 用途步骤 */
.page-privacy .doc-steps {
  list-style: none;
  counter-reset: purpose;
  margin: 18px 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .doc-steps li {
  counter-increment: purpose;
  position: relative;
  padding: 14px 16px 14px 54px;
  border: 1px solid var(--rule);
  background: rgba(13, 26, 20, .68);
  font-size: 15px;
  line-height: 1.8;
  color: var(--doc-text);
}

.page-privacy .doc-steps li::before {
  content: counter(purpose, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 14px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .06em;
  color: var(--cyan);
}

.page-privacy .doc-steps strong {
  color: var(--paper);
  display: block;
  margin-bottom: 2px;
  font-weight: 700;
}

/* 权利清单 */
.page-privacy .doc-list {
  list-style: none;
  margin: 18px 0 20px;
  padding: 0;
  display: grid;
  gap: 0;
  border-top: 1px solid var(--rule);
}

.page-privacy .doc-list li {
  padding: 14px 0;
  border-bottom: 1px solid var(--rule);
  font-size: 15px;
  line-height: 1.8;
  color: var(--doc-text);
}

.page-privacy .doc-list strong {
  color: var(--paper);
  font-weight: 700;
  margin-right: 6px;
}

/* 联系信息 */
.page-privacy .doc-contact {
  margin: 20px 0 8px;
  border: 1px solid var(--rule);
  background: var(--panel-bg);
  box-shadow: 6px 6px 0 rgba(7, 11, 14, .7);
}

.page-privacy .doc-contact__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 16px;
  padding: 14px 18px;
  border-bottom: 1px solid var(--rule);
}

.page-privacy .doc-contact__row:last-child {
  border-bottom: 0;
}

.page-privacy .doc-contact dt {
  flex: none;
  min-width: 92px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--mist);
  padding-top: 3px;
}

.page-privacy .doc-contact dd {
  margin: 0;
  font-size: 16px;
  color: var(--paper);
  word-break: break-word;
}

.page-privacy .doc-backtop {
  display: inline-flex;
  align-items: center;
  min-height: 44px;
  margin-top: 20px;
  padding: 0 20px;
  border: 1px solid var(--cyan);
  border-radius: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .08em;
  color: var(--cyan) !important;
  text-decoration: none;
  border-bottom: 1px solid var(--cyan) !important;
  transition: background-color .18s var(--ease), color .18s var(--ease);
}

.page-privacy .doc-backtop:hover,
.page-privacy .doc-backtop:focus-visible {
  background: rgba(39, 230, 214, .14);
  color: var(--paper) !important;
}

.page-privacy .doc-body a:focus-visible,
.page-privacy .doc-toc__list a:focus-visible,
.page-privacy .doc-toc__top:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .doc-cards {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 16px;
  }
}

@media (min-width: 960px) {
  .page-privacy .doc-layout {
    grid-template-columns: var(--doc-toc-w) minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .doc-toc {
    position: sticky;
    top: 96px;
  }

  .page-privacy .doc-sec__title {
    letter-spacing: -.015em;
  }
}

@media (min-width: 1200px) {
  .page-privacy .doc-layout {
    --doc-toc-w: 258px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .doc-toc__list a,
  .page-privacy .doc-backtop {
    transition: none;
  }

  .page-privacy .display--slant {
    transform: none;
  }
}

@media print {
  .page-privacy {
    background: #ffffff;
    color: #111111;
  }

  .page-privacy .doc-hero {
    background: none;
    border-bottom: 1px solid #cccccc;
    padding: 0 0 16px;
  }

  .page-privacy .doc-hero__img,
  .page-privacy .doc-hero::after,
  .page-privacy .doc-toc,
  .page-privacy .doc-backtop {
    display: none;
  }

  .page-privacy .display,
  .page-privacy .doc-sec__title,
  .page-privacy .doc-body h3,
  .page-privacy .doc-contact dd,
  .page-privacy .doc-list strong {
    color: #111111;
    transform: none;
  }

  .page-privacy .doc-body p,
  .page-privacy .doc-list li,
  .page-privacy .doc-steps li,
  .page-privacy .lede {
    color: #222222;
  }

  .page-privacy .doc-layout {
    display: block;
    padding: 16px 0 0;
  }

  .page-privacy .doc-card,
  .page-privacy .doc-note,
  .page-privacy .doc-contact,
  .page-privacy .doc-steps li {
    background: none;
    border-color: #cccccc;
    box-shadow: none;
  }

  .page-privacy .doc-sec {
    break-inside: avoid;
  }
}