.page-privacy {
  --doc-measure: 720px;
  --doc-rail: 216px;
}

.page-privacy .doc-crumb-wrap {
  padding-top: clamp(18px, 3vw, 30px);
}

/* ---------- 首屏 ---------- */
.page-privacy .doc-hero {
  position: relative;
  overflow: hidden;
  margin-top: clamp(14px, 2.4vw, 22px);
  border-radius: 0 0 var(--radius-xl) var(--radius-xl);
  background: var(--hull-blue);
}

.page-privacy .doc-hero-media {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.4;
}

.page-privacy .doc-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg,
    rgba(6, 11, 26, 0.97) 6%,
    rgba(6, 11, 26, 0.76) 46%,
    rgba(14, 23, 48, 0.92) 100%);
}

.page-privacy .doc-hero-inner {
  position: relative;
  z-index: 1;
  padding: clamp(52px, 10vw, 104px) 0 clamp(42px, 7vw, 76px);
}

.page-privacy .doc-hero-inner .eyebrow {
  color: var(--cyan);
  letter-spacing: 0.22em;
  text-transform: none;
}

.page-privacy .doc-hero h1 {
  margin: 10px 0 0;
  font-size: clamp(2rem, 7vw, 3.2rem);
  line-height: 1.12;
  letter-spacing: -0.02em;
  color: var(--cream);
}

.page-privacy .doc-hero .lede {
  max-width: 620px;
  margin-top: 18px;
  font-size: clamp(1rem, 2.3vw, 1.0625rem);
  line-height: 1.78;
  color: var(--cream);
}

.page-privacy .doc-version {
  display: inline-flex;
  align-items: center;
  margin: 24px 0 0;
  padding: 6px 15px;
  border: 1px solid rgba(62, 231, 209, 0.35);
  border-radius: var(--radius-pill);
  background: rgba(62, 231, 209, 0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan-glow);
}

/* ---------- 双栏骨架 ---------- */
.page-privacy .doc-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 4vw, 44px);
  padding: clamp(34px, 6vw, 68px) 0 clamp(56px, 10vw, 104px);
}

.page-privacy .doc-toc {
  min-width: 0;
  align-self: start;
  padding: 18px 16px;
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-lg);
  background: rgba(14, 23, 48, 0.72);
}

.page-privacy .doc-toc-title {
  margin: 0 0 12px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--slate);
}

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

.page-privacy .doc-toc-link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 9px 12px;
  border-left: 2px solid var(--line-blue);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--cream);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease),
              background-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}

.page-privacy .doc-toc-link:hover,
.page-privacy .doc-toc-link:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(62, 231, 209, 0.1);
  color: var(--cyan-glow);
  outline: none;
}

.page-privacy .doc-toc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
}

/* ---------- 正文栏 ---------- */
.page-privacy .doc-article {
  min-width: 0;
  max-width: var(--doc-measure);
}

.page-privacy .doc-block {
  position: relative;
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding: clamp(24px, 4vw, 36px) 0;
}

.page-privacy .doc-block:first-of-type {
  padding-top: 0;
}

.page-privacy .doc-block + .doc-block::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  width: min(300px, 62%);
  height: 1px;
  background: linear-gradient(90deg, var(--cyan), rgba(62, 231, 209, 0));
}

.page-privacy .doc-summary {
  position: relative;
  padding: 4px 36px 4px 0;
  list-style: none;
  cursor: pointer;
}

.page-privacy .doc-summary::-webkit-details-marker {
  display: none;
}

.page-privacy .doc-summary::after {
  content: "";
  position: absolute;
  right: 8px;
  top: 0.75em;
  width: 9px;
  height: 9px;
  border-right: 2px solid var(--cyan);
  border-bottom: 2px solid var(--cyan);
  transform: rotate(45deg);
  transition: transform var(--dur) var(--ease);
}

.page-privacy .doc-block:not([open]) .doc-summary::after {
  transform: rotate(-45deg);
}

.page-privacy .doc-summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 8px;
  border-radius: var(--radius-sm);
}

.page-privacy .doc-title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  font-size: clamp(1.1875rem, 3vw, 1.5rem);
  line-height: 1.42;
  letter-spacing: -0.01em;
  color: var(--cream);
}

.page-privacy .doc-num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .doc-body {
  padding-top: 16px;
}

.page-privacy .doc-body p {
  margin: 0 0 14px;
  font-size: clamp(1rem, 2.3vw, 1.0625rem);
  line-height: 1.8;
  color: var(--cream);
}

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

.page-privacy .doc-body a {
  color: var(--cyan-glow);
  text-decoration: none;
  border-bottom: 1px solid rgba(62, 231, 209, 0.45);
  transition: color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

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

.page-privacy .doc-list {
  display: grid;
  gap: 13px;
  margin: 4px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .doc-list li {
  position: relative;
  padding-left: 22px;
  font-size: clamp(1rem, 2.3vw, 1.0625rem);
  line-height: 1.78;
  color: var(--cream);
}

.page-privacy .doc-list li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.78em;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--cyan);
  opacity: 0.78;
}

.page-privacy .doc-key {
  display: inline-block;
  margin: 0 8px 2px 0;
  padding: 1px 10px;
  border: 1px solid rgba(62, 231, 209, 0.28);
  border-radius: var(--radius-pill);
  background: rgba(62, 231, 209, 0.07);
  font-size: 12.5px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--cyan-glow);
  white-space: nowrap;
}

.page-privacy .doc-callout {
  margin: 18px 0 0;
  padding: 16px 20px;
  border: 1px solid rgba(201, 123, 90, 0.75);
  border-left-width: 3px;
  border-radius: var(--radius-md);
  background: rgba(201, 123, 90, 0.1);
}

.page-privacy .doc-callout p {
  margin: 0;
  font-size: clamp(0.9375rem, 2.1vw, 1rem);
  line-height: 1.78;
  color: var(--cream);
}

/* ---------- 页尾指路 ---------- */
.page-privacy .doc-foot {
  margin-top: clamp(28px, 5vw, 44px);
  padding-top: clamp(24px, 4vw, 32px);
  border-top: 1px solid var(--line-blue);
}

.page-privacy .doc-foot-title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--slate);
}

.page-privacy .doc-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.page-privacy .doc-link {
  display: inline-flex;
  align-items: center;
  padding: 9px 20px;
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-pill);
  font-size: 14.5px;
  color: var(--cream);
  text-decoration: none;
  transition: border-color var(--dur) var(--ease),
              color var(--dur) var(--ease),
              background-color var(--dur) var(--ease);
}

.page-privacy .doc-link:hover,
.page-privacy .doc-link:focus-visible {
  border-color: var(--cyan);
  background: rgba(62, 231, 209, 0.08);
  color: var(--cyan-glow);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .to-top {
  position: fixed;
  right: clamp(14px, 3vw, 28px);
  bottom: clamp(14px, 3vw, 28px);
  z-index: 30;
  display: inline-flex;
  align-items: center;
  padding: 10px 20px;
  border: 1px solid var(--line-blue);
  border-radius: var(--radius-pill);
  background: rgba(14, 23, 48, 0.92);
  font-size: 13.5px;
  letter-spacing: 0.06em;
  color: var(--cream);
  cursor: pointer;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--dur) var(--ease),
              border-color var(--dur) var(--ease),
              color var(--dur) var(--ease);
}

.page-privacy .to-top[data-visible] {
  opacity: 1;
  pointer-events: auto;
}

.page-privacy .to-top:hover,
.page-privacy .to-top:focus-visible {
  border-color: var(--cyan);
  color: var(--cyan-glow);
  outline: none;
}

/* ---------- 宽屏 ---------- */
@media (min-width: 900px) {
  .page-privacy .doc-layout {
    grid-template-columns: var(--doc-rail) minmax(0, 1fr);
    gap: clamp(36px, 5vw, 72px);
  }

  .page-privacy .doc-toc {
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

/* ---------- 窄屏收敛 ---------- */
@media (max-width: 560px) {
  .page-privacy .doc-hero {
    border-radius: 0 0 var(--radius-lg) var(--radius-lg);
  }

  .page-privacy .doc-block + .doc-block::before {
    width: 100%;
  }

  .page-privacy .doc-key {
    white-space: normal;
  }

  .page-privacy .doc-link {
    flex: 1 1 auto;
    justify-content: center;
  }
}
<<<END>>>