.page-privacy {
  --prv-text: #D5E0DD;
  --prv-w: 1064px;
  display: block;
  background: var(--ink-2);
  color: var(--paper);
  overflow-x: clip;
}

/* ---------- 页头 ---------- */

.page-privacy .prv-hero {
  position: relative;
  padding: clamp(26px, 5vw, 60px) 0 0;
  background:
    radial-gradient(115% 85% at 12% 0%, rgba(46, 211, 198, 0.10), transparent 62%),
    radial-gradient(90% 70% at 92% 10%, rgba(123, 92, 255, 0.09), transparent 66%),
    var(--ink);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-privacy .prv-hero__glow {
  position: absolute;
  inset: 0;
  pointer-events: none;
  background-image:
    linear-gradient(to right, rgba(28, 46, 56, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(28, 46, 56, 0.55) 1px, transparent 1px);
  background-size: 88px 88px;
  mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 78%);
  -webkit-mask-image: linear-gradient(to bottom, rgba(0, 0, 0, 0.7), transparent 78%);
}

.page-privacy .prv-hero__inner {
  position: relative;
  z-index: 1;
  padding-bottom: clamp(26px, 4vw, 44px);
}

.page-privacy .prv-hero .crumbs ol {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(20px, 3vw, 34px);
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-privacy .prv-hero .crumbs li + li::before {
  content: "/";
  margin-right: 8px;
  color: var(--line);
}

.page-privacy .prv-hero .crumbs a {
  color: var(--muted);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

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

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

.page-privacy .prv-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(42px, 10vw, 92px);
  line-height: 0.96;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .prv-hero__title::after {
  content: "";
  display: block;
  width: clamp(56px, 12vw, 128px);
  height: 3px;
  margin-top: clamp(16px, 2.4vw, 26px);
  background: linear-gradient(90deg, var(--red), var(--yellow));
}

.page-privacy .prv-hero__lede {
  max-width: 38em;
  margin: clamp(18px, 3vw, 28px) 0 0;
  font-size: clamp(15px, 2.4vw, 17px);
  line-height: 1.85;
  color: var(--prv-text);
}

.page-privacy .prv-hero__meta {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-privacy .prv-hero__meta li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 6px 16px;
  padding: 11px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .prv-hero__meta-k {
  flex: 0 0 auto;
  min-width: 5.6em;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--muted);
}

.page-privacy .prv-hero__meta-v {
  flex: 1 1 12em;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--paper);
  word-break: break-word;
}

.page-privacy .prv-hero__meta li:last-child .prv-hero__meta-v {
  color: var(--cyan);
}

.page-privacy .prv-hero__media {
  margin: 0;
  background: var(--ink);
}

.page-privacy .prv-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 6;
  object-fit: cover;
  filter: saturate(0.85) brightness(0.82);
}

.page-privacy .prv-hero__media .media-caption {
  max-width: var(--prv-w);
  margin: 0 auto;
  padding: 12px clamp(16px, 3vw, 24px) clamp(18px, 3vw, 26px);
  font-size: 12px;
  line-height: 1.7;
  color: var(--muted);
  letter-spacing: 0.02em;
}

/* ---------- 两栏骨架 ---------- */

.page-privacy .prv-wrap {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(18px, 3vw, 34px);
  max-width: var(--prv-w);
  margin-inline: auto;
  padding: clamp(26px, 5vw, 64px) 0 clamp(48px, 8vw, 96px);
}

.page-privacy .prv-main {
  min-width: 0;
}

/* ---------- 章节 ---------- */

.page-privacy .prv-sec {
  padding: clamp(16px, 2.8vw, 26px) 0;
  border-bottom: 1px solid var(--line);
}

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

.page-privacy .prv-sec .expand__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  align-items: baseline;
  gap: 10px 14px;
  width: 100%;
  padding: 0;
  background: none;
  border: 0;
  color: inherit;
  font: inherit;
  text-align: left;
  cursor: pointer;
}

.page-privacy .prv-sec .expand__head:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}

.page-privacy .prv-sec__idx {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-privacy .prv-sec__title {
  font-family: var(--font-display);
  font-size: clamp(19px, 3.6vw, 27px);
  font-weight: 700;
  line-height: 1.3;
  letter-spacing: 0.005em;
  color: var(--paper);
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .prv-sec .expand__head:hover .prv-sec__title {
  color: var(--cyan);
}

.page-privacy .prv-sec .expand__sign {
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 13px;
  align-self: center;
}

.page-privacy .prv-sec .expand__body {
  padding-top: clamp(12px, 2vw, 20px);
}

/* ---------- 正文排版 ---------- */

.page-privacy .prv-prose {
  max-width: 38em;
  font-size: 1rem;
  line-height: 1.9;
  color: var(--prv-text);
}

.page-privacy .prv-prose p {
  margin: 0 0 1.05em;
}

.page-privacy .prv-prose p:last-child {
  margin-bottom: 0;
}

.page-privacy .prv-prose strong {
  color: var(--paper);
  font-weight: 600;
}

.page-privacy .prv-prose ul {
  margin: 0 0 1.15em;
  padding: 0;
  list-style: none;
}

.page-privacy .prv-prose ul li {
  position: relative;
  margin-bottom: 0.72em;
  padding-left: 1.55em;
}

.page-privacy .prv-prose ul li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 11px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .prv-prose ul li:last-child {
  margin-bottom: 0;
}

/* ---------- 四个用途编号列表 ---------- */

.page-privacy .prv-steps {
  margin: 0 0 1.15em;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--line);
}

.page-privacy .prv-steps li {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 4px 14px;
  padding: 13px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .prv-steps__n {
  grid-row: 1 / span 2;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--yellow);
  padding-top: 3px;
}

.page-privacy .prv-steps__t {
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
  letter-spacing: 0.01em;
}

.page-privacy .prv-steps__d {
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--prv-text);
}

/* ---------- 信息流向示意 ---------- */

.page-privacy .prv-flow {
  margin: clamp(20px, 3.4vw, 32px) 0 0;
  padding: clamp(16px, 3vw, 26px);
  background: var(--ink);
  border: 1px solid var(--line);
}

.page-privacy .prv-flow__svg {
  display: block;
  width: 100%;
  height: 56px;
}

.page-privacy .prv-flow__legend {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .prv-flow__legend li {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 4px 12px;
}

.page-privacy .prv-flow__k {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--cyan);
}

.page-privacy .prv-flow__legend li:nth-child(2) .prv-flow__k {
  color: var(--yellow);
}

.page-privacy .prv-flow__legend li:nth-child(3) .prv-flow__k {
  color: var(--red);
}

.page-privacy .prv-flow__v {
  font-size: 14px;
  line-height: 1.7;
  color: var(--prv-text);
}

/* ---------- 相关链接 ---------- */

.page-privacy .prv-links {
  margin-top: clamp(28px, 5vw, 52px);
  padding-top: clamp(18px, 3vw, 28px);
  border-top: 1px solid var(--line);
}

.page-privacy .prv-links__title {
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  font-family: var(--font-display);
  font-size: clamp(16px, 2.6vw, 20px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
}

.page-privacy .prv-links__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 1px;
  margin: 0;
  padding: 0;
  list-style: none;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .prv-links__list li {
  background: var(--ink-2);
}

.page-privacy .prv-links__list a {
  display: block;
  padding: 14px 16px;
  text-decoration: none;
  color: inherit;
  transition: background-color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}

.page-privacy .prv-links__list a:hover,
.page-privacy .prv-links__list a:focus-visible {
  background: var(--ink);
  padding-left: 22px;
}

.page-privacy .prv-links__t {
  display: block;
  font-size: 15px;
  font-weight: 600;
  color: var(--paper);
}

.page-privacy .prv-links__list a:hover .prv-links__t,
.page-privacy .prv-links__list a:focus-visible .prv-links__t {
  color: var(--cyan);
}

.page-privacy .prv-links__d {
  display: block;
  margin-top: 4px;
  font-size: 13px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 目录 ---------- */

.page-privacy .prv-toc {
  order: -1;
  min-width: 0;
}

.page-privacy .prv-toc__details {
  border: 1px solid var(--line);
  background: var(--ink);
}

.page-privacy .prv-toc__summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--paper);
}

.page-privacy .prv-toc__summary::-webkit-details-marker {
  display: none;
}

.page-privacy .prv-toc__summary-v {
  color: var(--cyan);
}

.page-privacy .prv-toc__details[open] .prv-toc__summary-v::after {
  content: " 收起";
}

.page-privacy .prv-toc__summary-k::after {
  content: "";
}

.page-privacy .prv-toc__details[open] .prv-toc__summary-v {
  font-size: 0;
}

.page-privacy .prv-toc__details[open] .prv-toc__summary-v::after {
  font-size: 12px;
}

.page-privacy .prv-toc__nav {
  padding: 0 16px 16px;
  border-top: 1px solid var(--line);
}

.page-privacy .prv-toc__label {
  margin: 14px 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--muted);
}

.page-privacy .prv-toc__list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .prv-toc__list li + li {
  border-top: 1px solid var(--line);
}

.page-privacy .prv-toc__list a {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 10px 0;
  font-size: 13.5px;
  line-height: 1.6;
  color: var(--prv-text);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .prv-toc__list a .num {
  flex: 0 0 auto;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--muted);
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .prv-toc__list a:hover,
.page-privacy .prv-toc__list a:focus-visible {
  color: var(--cyan);
}

.page-privacy .prv-toc__list a:hover .num,
.page-privacy .prv-toc__list a:focus-visible .num {
  color: var(--cyan);
}

.page-privacy .prv-toc__foot {
  margin: 16px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line);
  font-size: 12.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .prv-toc__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(46, 211, 198, 0.4);
}

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

/* ---------- 平板起：右侧粘性目录 ---------- */

@media (min-width: 900px) {
  .page-privacy .prv-wrap {
    grid-template-columns: minmax(0, 1fr) 212px;
    gap: clamp(30px, 4vw, 56px);
  }

  .page-privacy .prv-toc {
    order: 0;
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }

  .page-privacy .prv-toc__details {
    border: 0;
    background: none;
  }

  .page-privacy .prv-toc__summary {
    display: none;
  }

  .page-privacy .prv-toc__details > .prv-toc__nav {
    display: block;
    padding: 0;
    border-top: 1px solid var(--line);
  }

  .page-privacy .prv-toc__label {
    margin-top: 12px;
  }

  .page-privacy .prv-flow__legend {
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: 18px;
  }

  .page-privacy .prv-flow__legend li {
    flex-direction: column;
    gap: 4px;
  }

  .page-privacy .prv-links__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 移动端微调 ---------- */

@media (max-width: 599px) {
  .page-privacy .prv-hero__media img {
    aspect-ratio: 16 / 9;
  }

  .page-privacy .prv-sec .expand__head {
    grid-template-columns: auto minmax(0, 1fr) auto;
    gap: 8px 10px;
  }

  .page-privacy .prv-steps li {
    grid-template-columns: minmax(0, 1fr);
    gap: 2px;
  }

  .page-privacy .prv-steps__n {
    grid-row: auto;
    padding-top: 0;
  }

  .page-privacy .prv-links__list a {
    padding: 13px 14px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .prv-links__list a,
  .page-privacy .prv-sec__title,
  .page-privacy .prv-toc__list a {
    transition: none;
  }
}
<<<END>>>