.page-privacy {
  --doc-index-w: 236px;
  --doc-gap-x: clamp(32px, 5vw, 80px);
  --doc-pad-y: clamp(48px, 7vw, 104px);
  display: block;
  background: var(--ink-000);
  color: var(--mist);
  font-family: var(--font-body);
  -webkit-font-smoothing: antialiased;
}

/* ---------- 首屏 ---------- */

.page-privacy .doc-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(120% 92% at 86% 4%, rgba(45, 226, 230, .14), transparent 62%),
    linear-gradient(158deg, var(--ink-100) 0%, var(--ink-000) 68%);
  isolation: isolate;
}

.page-privacy .doc-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(38, 52, 77, .5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(38, 52, 77, .5) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, .12) 94%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, .12) 94%);
}

.page-privacy .doc-hero::after {
  content: "";
  position: absolute;
  top: -100px;
  right: -60px;
  width: 460px;
  height: 460px;
  z-index: 0;
  pointer-events: none;
  background: radial-gradient(circle at center, rgba(255, 182, 72, .13), transparent 66%);
}

.page-privacy .doc-hero__art {
  position: absolute;
  right: 0;
  bottom: 0;
  z-index: 0;
  width: min(62%, 720px);
  opacity: .34;
  pointer-events: none;
  -webkit-mask-image: linear-gradient(to left, #000 6%, transparent 96%);
  mask-image: linear-gradient(to left, #000 6%, transparent 96%);
}

.page-privacy .doc-hero__art img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

.page-privacy .doc-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(36px, 5.5vw, 76px) clamp(38px, 5vw, 68px);
}

.page-privacy .doc-hero .breadcrumb {
  margin: 0 0 22px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
}

.page-privacy .doc-hero .breadcrumb a {
  color: var(--mist);
  text-decoration: none;
}

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

.page-privacy .doc-hero .eyebrow {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .2em;
  color: var(--cyan);
}

.page-privacy .doc-title {
  margin: 0;
  max-width: 18ch;
  font-family: var(--font-head);
  font-size: clamp(30px, 5.4vw, 58px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -.025em;
  color: var(--white);
}

.page-privacy .doc-lede {
  margin: 22px 0 0;
  max-width: 54ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .doc-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 26px;
  margin-top: clamp(28px, 4vw, 44px);
  padding-top: 18px;
  border-top: 1px solid var(--line);
  max-width: 720px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .05em;
  color: var(--mist);
}

.page-privacy .doc-hero__meta > span {
  display: inline-flex;
  align-items: center;
  gap: 9px;
}

.page-privacy .doc-dot {
  display: inline-block;
  width: 6px;
  height: 6px;
  background: var(--amber);
  transform: rotate(45deg);
  flex: none;
}

/* ---------- 双栏正文 ---------- */

.page-privacy .doc-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: 34px;
  align-items: start;
  padding-block: var(--doc-pad-y) clamp(64px, 9vw, 132px);
}

/* 侧边索引 */

.page-privacy .doc-toc {
  position: relative;
  padding: 18px 16px 20px;
  border: 1px solid var(--line);
  background: linear-gradient(180deg, var(--ink-200) 0%, var(--ink-100) 100%);
}

.page-privacy .doc-toc::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: 46px;
  height: 2px;
  background: var(--cyan);
}

.page-privacy .doc-toc__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-privacy .doc-toc .index-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px;
  border-left: 1px solid transparent;
  font-size: 13.5px;
  line-height: 1.45;
  color: var(--mist);
  text-decoration: none;
  white-space: nowrap;
  transition:
    color var(--dur) var(--ease),
    background-color var(--dur) var(--ease),
    border-color var(--dur) var(--ease);
}

.page-privacy .doc-toc .index-num {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: .08em;
  color: var(--line);
  transition: color var(--dur) var(--ease);
}

.page-privacy .doc-toc .index-link:hover,
.page-privacy .doc-toc .index-link:focus-visible {
  color: var(--white);
  background-color: rgba(45, 226, 230, .07);
}

.page-privacy .doc-toc .index-link:hover .index-num,
.page-privacy .doc-toc .index-link:focus-visible .index-num {
  color: var(--cyan);
}

.page-privacy .doc-toc .index-link[aria-current] {
  color: var(--white);
  border-left-color: var(--cyan);
  background-color: rgba(45, 226, 230, .1);
}

.page-privacy .doc-toc .index-link[aria-current] .index-num {
  color: var(--cyan);
}

.page-privacy .doc-toc__top {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .06em;
  color: var(--cyan);
  text-decoration: none;
}

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

/* 条款正文 */

.page-privacy .doc-content {
  min-width: 0;
  max-width: 70ch;
}

.page-privacy .doc-sec {
  padding-block: clamp(26px, 3.4vw, 40px);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .doc-sec:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .doc-sec__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-size: clamp(19px, 2.3vw, 25px);
  font-weight: 800;
  line-height: 1.28;
  letter-spacing: -.012em;
  color: var(--white);
}

.page-privacy .doc-sec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: .1em;
  color: var(--cyan);
  padding-top: 3px;
}

.page-privacy .doc-sec p {
  margin: 0 0 14px;
  font-size: 15.5px;
  line-height: 1.82;
  color: var(--mist);
}

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

.page-privacy .doc-sec a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(45, 226, 230, .38);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-privacy .doc-list {
  list-style: none;
  margin: 18px 0 18px;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .doc-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--mist);
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .78em;
  width: 9px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .doc-sec strong {
  color: var(--white);
  font-weight: 600;
}

/* 收束区 */

.page-privacy .doc-tail {
  margin-top: clamp(36px, 5vw, 56px);
  padding: clamp(22px, 3vw, 32px);
  border: 1px solid var(--line);
  border-left: 2px solid var(--amber);
  background: linear-gradient(135deg, var(--ink-200) 0%, var(--ink-100) 100%);
}

.page-privacy .doc-tail__lead {
  margin: 0 0 18px;
  font-family: var(--font-head);
  font-size: clamp(16px, 1.9vw, 19px);
  font-weight: 700;
  line-height: 1.5;
  color: var(--white);
}

.page-privacy .doc-tail__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

/* ---------- 断点 ---------- */

@media (max-width: 959px) {
  .page-privacy .doc-toc .index-list {
    grid-auto-flow: column;
    grid-auto-columns: max-content;
    gap: 4px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: thin;
  }

  .page-privacy .doc-toc .index-link {
    border-left: 0;
    border-bottom: 1px solid transparent;
    padding: 7px 10px;
  }

  .page-privacy .doc-toc .index-link[aria-current] {
    border-left-color: transparent;
    border-bottom-color: var(--cyan);
  }
}

@media (min-width: 960px) {
  .page-privacy .doc-body {
    grid-template-columns: var(--doc-index-w) minmax(0, 1fr);
    gap: var(--doc-gap-x);
  }

  .page-privacy .doc-toc {
    position: sticky;
    top: calc(var(--header-h) + 26px);
    align-self: start;
  }
}

@media (max-width: 560px) {
  .page-privacy .doc-hero__art {
    width: 100%;
    opacity: .22;
    -webkit-mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
    mask-image: linear-gradient(to bottom, #000 0%, transparent 92%);
  }

  .page-privacy .doc-title {
    max-width: none;
  }

  .page-privacy .doc-sec p,
  .page-privacy .doc-list li {
    font-size: 15px;
    line-height: 1.78;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .doc-toc .index-link,
  .page-privacy .doc-sec a,
  .page-privacy .doc-toc .index-num {
    transition: none;
  }
}
<<<END>>>