.page-privacy {
  --doc-line: #26303F;
  --doc-max: 780px;
  background: var(--ink);
  color: var(--paper);
  padding-bottom: clamp(40px, 6vw, 88px);
}

.page-privacy .breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  padding-top: 18px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--silver);
}
.page-privacy .breadcrumb a {
  color: var(--silver);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--orange);
  border-bottom-color: var(--orange);
}
.page-privacy .breadcrumb__sep {
  color: var(--doc-line);
}

/* 封面 */
.page-privacy .cover {
  padding-top: clamp(20px, 3vw, 34px);
}
.page-privacy .cover__inner {
  position: relative;
  padding-bottom: clamp(24px, 4vw, 42px);
  border-bottom: 2px solid var(--doc-line);
}
.page-privacy .cover__badge {
  display: inline-block;
  margin-bottom: 16px;
  padding: 5px 12px;
  background: var(--orange);
  color: var(--ink);
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.16em;
  transform: skewX(-8deg);
}
.page-privacy .cover__title {
  margin: 12px 0 18px;
  font-size: clamp(2.1rem, 6.2vw, 4.4rem);
  font-weight: 300;
  line-height: 1.08;
  letter-spacing: -0.02em;
  max-width: 15ch;
}
.page-privacy .cover__title em {
  font-style: normal;
  color: var(--orange);
  font-weight: 400;
}
.page-privacy .cover__lede {
  margin: 0 0 22px;
  max-width: 62ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.8;
  color: var(--silver);
}
.page-privacy .cover__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--silver);
}
.page-privacy .cover__meta span {
  position: relative;
  padding-left: 14px;
}
.page-privacy .cover__meta span::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.62em;
  width: 6px;
  height: 6px;
  background: var(--blue);
}

/* 顶部通栏图 */
.page-privacy .doc-hero {
  margin: clamp(22px, 3vw, 34px) auto 0;
  border: 2px solid var(--doc-line);
  background: var(--panel);
  overflow: hidden;
}
.page-privacy .doc-hero img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 7 / 3;
  object-fit: cover;
}

/* 文档布局 */
.page-privacy .doc-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(24px, 4vw, 40px);
  padding-top: clamp(28px, 5vw, 56px);
}

/* 左侧目录 */
.page-privacy .doc-toc {
  border-left: 2px solid var(--doc-line);
  padding-left: 16px;
}
.page-privacy .doc-toc .index-label {
  margin: 0;
}
.page-privacy .doc-toc__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 4px 12px;
}
.page-privacy .doc-toc__link {
  display: flex;
  gap: 9px;
  align-items: baseline;
  margin-left: -18px;
  padding: 6px 0 6px 16px;
  border-left: 2px solid transparent;
  color: var(--silver);
  font-size: 13px;
  line-height: 1.45;
  text-decoration: none;
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.page-privacy .doc-toc__link:hover,
.page-privacy .doc-toc__link:focus-visible {
  color: var(--paper);
  border-left-color: var(--orange);
  background: rgba(255, 107, 44, 0.07);
}
.page-privacy .doc-toc__n {
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--orange);
}
.page-privacy .doc-toc__foot {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--doc-line);
  font-size: 12px;
  line-height: 1.7;
  color: var(--silver);
}
.page-privacy .doc-toc__ver {
  display: block;
  margin-bottom: 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--lime);
}

/* 正文 */
.page-privacy .doc-body {
  min-width: 0;
  max-width: var(--doc-max);
}
.page-privacy .doc-sec {
  border-top: 1px solid var(--doc-line);
}
.page-privacy .doc-sec:first-of-type {
  border-top: 0;
}
.page-privacy .doc-sec > summary {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr) auto;
  gap: 14px;
  align-items: baseline;
  padding: clamp(18px, 2.6vw, 26px) 0;
  cursor: pointer;
  list-style: none;
  font-size: clamp(18px, 2.3vw, 23px);
  font-weight: 500;
  letter-spacing: -0.01em;
  color: var(--paper);
  transition: color 0.18s var(--ease);
}
.page-privacy .doc-sec > summary::-webkit-details-marker {
  display: none;
}
.page-privacy .doc-sec > summary:hover,
.page-privacy .doc-sec > summary:focus-visible {
  color: var(--orange);
}
.page-privacy .doc-sec__num {
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.12em;
  color: var(--orange);
}
.page-privacy .doc-sec__toggle {
  font-family: var(--font-mono);
  font-size: 16px;
  color: var(--orange);
  line-height: 1;
}
.page-privacy .doc-sec[open] .doc-sec__toggle::before {
  content: "−";
}
.page-privacy .doc-sec:not([open]) .doc-sec__toggle::before {
  content: "+";
}
.page-privacy .doc-sec__body {
  padding-bottom: clamp(18px, 2.6vw, 28px);
}
.page-privacy .doc-sec--accent > summary {
  color: var(--orange);
}

.page-privacy .doc-p {
  margin: 0 0 14px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--silver);
}
.page-privacy .doc-p:last-child {
  margin-bottom: 0;
}
.page-privacy .doc-link {
  color: var(--blue);
  text-decoration: none;
  border-bottom: 1px solid rgba(30, 144, 255, 0.45);
  transition: color 0.18s var(--ease), border-color 0.18s var(--ease);
}
.page-privacy .doc-link:hover,
.page-privacy .doc-link:focus-visible {
  color: var(--paper);
  border-bottom-color: var(--paper);
}

.page-privacy .doc-list {
  list-style: none;
  margin: 16px 0 18px;
  padding: 0;
  display: grid;
  gap: 10px;
}
.page-privacy .doc-list li {
  padding: 14px 16px;
  background: var(--panel);
  border-left: 3px solid var(--blue);
  font-size: 14.5px;
  line-height: 1.75;
  color: var(--silver);
}
.page-privacy .doc-list li b {
  display: block;
  margin-bottom: 4px;
  color: var(--paper);
  font-size: 14.5px;
  font-weight: 600;
}

/* 权利条目的浅色底板 */
.page-privacy .doc-callout {
  margin: 4px 0 18px;
  padding: clamp(20px, 3vw, 28px);
  background: var(--paper);
  color: var(--ink);
  border: 2px solid var(--ink);
  box-shadow: 8px 8px 0 var(--orange);
}
.page-privacy .doc-callout__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.16em;
  color: var(--blue-deep);
  text-transform: uppercase;
}
.page-privacy .doc-callout__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}
.page-privacy .doc-callout__list li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  font-size: 14.5px;
  line-height: 1.7;
  color: #2b3444;
}
.page-privacy .doc-callout__list b {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 26px;
  background: var(--ink);
  color: var(--lime);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.06em;
}

/* 联系方式块 */
.page-privacy .doc-contact {
  margin: 4px 0 20px;
  padding: clamp(18px, 2.6vw, 24px);
  background: var(--panel);
  border: 2px solid var(--doc-line);
}
.page-privacy .doc-contact__label {
  margin: 0 0 10px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--silver);
}
.page-privacy .doc-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
}
.page-privacy .doc-contact__value {
  font-family: var(--font-mono);
  font-size: clamp(16px, 2.4vw, 22px);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--paper);
  word-break: break-all;
}
.page-privacy .doc-contact__copy {
  flex: none;
}
.page-privacy .doc-contact__note {
  margin: 12px 0 0;
  font-size: 13.5px;
  line-height: 1.75;
  color: var(--silver);
}

/* 结尾出口 */
.page-privacy .doc-end {
  margin-top: clamp(24px, 4vw, 40px);
  padding-top: 20px;
  border-top: 2px solid var(--doc-line);
}
.page-privacy .doc-end .index-label {
  margin: 0 0 12px;
}
.page-privacy .doc-end__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 12px;
}
.page-privacy .doc-end__links a {
  display: inline-block;
  padding: 9px 14px;
  border: 2px solid var(--doc-line);
  color: var(--paper);
  font-size: 13px;
  text-decoration: none;
  transition: border-color 0.18s var(--ease), color 0.18s var(--ease), background-color 0.18s var(--ease);
}
.page-privacy .doc-end__links a:hover,
.page-privacy .doc-end__links a:focus-visible {
  border-color: var(--orange);
  color: var(--ink);
  background: var(--orange);
}

@media (min-width: 760px) {
  .page-privacy .doc-sec__body {
    padding-left: clamp(0px, 2vw, 12px);
  }
}

@media (min-width: 980px) {
  .page-privacy .doc-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
    align-items: start;
  }
  .page-privacy .doc-toc {
    position: sticky;
    top: 96px;
  }
  .page-privacy .doc-toc__list {
    grid-template-columns: 1fr;
    gap: 2px;
  }
}

@media (max-width: 520px) {
  .page-privacy .doc-toc__list {
    grid-template-columns: 1fr;
  }
  .page-privacy .doc-callout__list li {
    grid-template-columns: 1fr;
    gap: 6px;
  }
  .page-privacy .doc-hero img {
    aspect-ratio: 4 / 3;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .doc-toc__link,
  .page-privacy .doc-sec > summary,
  .page-privacy .doc-end__links a,
  .page-privacy .breadcrumb a,
  .page-privacy .doc-link {
    transition: none;
  }
}
<<<END>>>