.page-privacy {
  --doc-rail-w: 8.75rem;
  --doc-gap: clamp(1.8rem, 5vw, 3.4rem);
}

/* 首屏文本建筑 */
.page-privacy .doc-hero {
  padding-block: clamp(1.6rem, 5vw, 3.2rem) clamp(1.3rem, 3.5vw, 2rem);
  border-bottom: 1px solid var(--line);
}

.page-privacy .doc-hero .eyebrow {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  text-transform: uppercase;
}

.page-privacy .doc-h1 {
  margin: 0.7rem 0 1rem;
  font-size: clamp(2.1rem, 8vw, 4rem);
  line-height: 1.03;
  letter-spacing: -0.02em;
  font-weight: 800;
  color: var(--mist);
  max-width: 16ch;
  font-stretch: 92%;
}

.page-privacy .lede {
  margin: 0;
  max-width: var(--measure);
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

.page-privacy .doc-meta {
  margin: 1.1rem 0 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--silver);
}

/* 顶部识别图 */
.page-privacy .doc-banner {
  margin: clamp(1.4rem, 4vw, 2.2rem) 0 0;
}

.page-privacy .doc-banner .figure__frame {
  border: 1px solid var(--line);
  background: var(--night);
  overflow: hidden;
}

.page-privacy .doc-banner .figure__img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
  aspect-ratio: 12 / 7;
  filter: saturate(0.9) contrast(1.05);
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .doc-banner .figure__caption {
  margin-top: 0.7rem;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.05em;
  color: var(--silver);
}

/* 文档双栏 */
.page-privacy .doc {
  display: grid;
  gap: var(--doc-gap);
  padding-block: clamp(2rem, 6vw, 3.6rem) clamp(2.4rem, 7vw, 4rem);
}

.page-privacy .doc-rail__list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.5rem 0.9rem;
}

.page-privacy .doc-rail__link {
  display: flex;
  align-items: baseline;
  gap: 0.5rem;
  padding: 0.35rem 0;
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .doc-rail__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-privacy .doc-rail__label {
  font-size: 13px;
  color: var(--silver);
  transition: color var(--dur) var(--ease);
}

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

.page-privacy .doc-rail__link:hover .doc-rail__label,
.page-privacy .doc-rail__link:focus-visible .doc-rail__label {
  color: var(--mist);
}

/* 章节 */
.page-privacy .doc-section {
  border-top: 1px solid var(--line);
  padding-top: clamp(1.3rem, 3.5vw, 1.9rem);
}

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

.page-privacy .doc-section__head {
  display: flex;
  align-items: baseline;
  gap: 0.7rem;
  margin-bottom: 1rem;
}

.page-privacy .doc-section__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
}

.page-privacy .doc-section__title {
  margin: 0;
  font-size: clamp(1.28rem, 4vw, 1.75rem);
  line-height: 1.3;
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--mist);
}

.page-privacy .prose {
  margin: 0 0 1.05rem;
  max-width: var(--measure);
  font-size: 16px;
  line-height: 1.85;
  color: var(--silver);
}

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

.page-privacy .kw {
  font-weight: 700;
  color: var(--mist);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .doc-note {
  margin: 1rem 0 0;
  padding-left: 0.9rem;
  border-left: 2px solid var(--amber);
  max-width: var(--measure);
  font-size: 15px;
  line-height: 1.8;
  color: var(--silver);
}

/* 定义列表 */
.page-privacy .fact-list {
  margin: 1.2rem 0 1.1rem;
  padding: 0;
  border-top: 1px solid var(--line);
}

.page-privacy .fact-row {
  display: grid;
  gap: 0.25rem;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .fact-row dt {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .fact-row dd {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .fact-list--plain {
  padding: 0;
  list-style: none;
}

.page-privacy .fact-row--single {
  grid-template-columns: 0.75rem minmax(0, 1fr);
  align-items: start;
  gap: 0.7rem;
}

.page-privacy .fact-row--single p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .fact-row__dot {
  width: 6px;
  height: 6px;
  margin-top: 0.7rem;
  border-radius: 50%;
  background: var(--cyan);
}

/* 用途清单 */
.page-privacy .use-list {
  margin: 1.2rem 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0.9rem;
  max-width: var(--measure);
}

.page-privacy .use-item {
  display: grid;
  grid-template-columns: 1.6rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: start;
  padding-bottom: 0.9rem;
  border-bottom: 1px solid var(--line);
}

.page-privacy .use-item:last-child {
  border-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .use-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--orange);
  padding-top: 0.3rem;
}

.page-privacy .use-item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--silver);
}

/* 保留期限信号条 */
.page-privacy .hold-bar {
  display: grid;
  gap: 0.45rem;
  margin: 1.2rem 0 1.3rem;
  padding: 1rem clamp(1rem, 3vw, 1.4rem);
  background: var(--orange);
  color: var(--deep);
  border-left: 6px solid var(--deep);
  cursor: default;
  transition: padding-left var(--dur) var(--ease), box-shadow var(--dur) var(--ease);
}

.page-privacy .hold-bar__lead {
  font-size: clamp(1.05rem, 3vw, 1.3125rem);
  font-weight: 700;
  line-height: 1.45;
  letter-spacing: -0.01em;
}

.page-privacy .hold-bar__lead strong {
  font-weight: 800;
  font-variant-numeric: tabular-nums;
}

.page-privacy .hold-bar__more {
  max-height: 0;
  overflow: hidden;
  opacity: 0;
  font-size: 15px;
  line-height: 1.7;
  transition: max-height 0.3s var(--ease), opacity var(--dur) var(--ease);
}

.page-privacy .hold-bar:hover,
.page-privacy .hold-bar:focus-within {
  padding-left: clamp(1.2rem, 3.6vw, 1.75rem);
  box-shadow: 0 0 0 1px var(--deep) inset;
}

.page-privacy .hold-bar:hover .hold-bar__more,
.page-privacy .hold-bar:focus-within .hold-bar__more {
  max-height: 6rem;
  opacity: 1;
}

/* 申请步骤 */
.page-privacy .step-list {
  margin: 1.2rem 0 1rem;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 0;
  max-width: var(--measure);
  border-top: 1px solid var(--line);
}

.page-privacy .step-item {
  display: grid;
  grid-template-columns: 2rem minmax(0, 1fr);
  gap: 0.8rem;
  align-items: start;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line);
  transition: border-color var(--dur) var(--ease);
}

.page-privacy .step-item:hover {
  border-bottom-color: var(--cyan);
}

.page-privacy .step-item__no {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
  font-variant-numeric: tabular-nums;
  padding-top: 0.3rem;
}

.page-privacy .step-item p {
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--mist);
}

/* 联络信息与链接 */
.page-privacy .doc-contact {
  display: grid;
  gap: 0;
  margin: 1.2rem 0 1rem;
  border-top: 1px solid var(--line);
  max-width: var(--measure);
}

.page-privacy .doc-contact__row {
  display: grid;
  gap: 0.2rem;
  padding: 0.7rem 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .doc-contact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--silver);
}

.page-privacy .doc-contact__val {
  font-size: 16px;
  line-height: 1.7;
  color: var(--mist);
  word-break: break-word;
}

.page-privacy .doc-links {
  margin: 1.1rem 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--silver);
}

.page-privacy .doc-link {
  color: var(--mist);
  text-decoration: underline;
  text-decoration-color: var(--cyan);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  transition: color var(--dur) var(--ease);
}

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

/* 桌面：左侧固定章节索引 */
@media (min-width: 1000px) {
  .page-privacy .doc {
    grid-template-columns: var(--doc-rail-w) minmax(0, 68ch);
    column-gap: clamp(2rem, 4.5vw, 4.5rem);
    align-items: start;
  }

  .page-privacy .doc-rail {
    position: sticky;
    top: 5.5rem;
  }

  .page-privacy .doc-rail__list {
    grid-template-columns: minmax(0, 1fr);
    gap: 0.15rem;
  }

  .page-privacy .doc-rail__link {
    padding: 0.4rem 0;
  }

  .page-privacy .doc-section__no {
    display: none;
  }

  .page-privacy .fact-row {
    grid-template-columns: 10rem minmax(0, 1fr);
    gap: 1.4rem;
    align-items: baseline;
  }

  .page-privacy .fact-row--single {
    grid-template-columns: 0.75rem minmax(0, 1fr);
    gap: 0.7rem;
  }

  .page-privacy .doc-contact__row {
    grid-template-columns: 8rem minmax(0, 1fr);
    align-items: baseline;
    gap: 1.2rem;
  }
}

@media (min-width: 1280px) {
  .page-privacy .doc-h1 {
    font-size: 4rem;
  }
}

/* 触屏设备直接展开补充说明 */
@media (hover: none) {
  .page-privacy .hold-bar__more {
    max-height: none;
    opacity: 1;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .hold-bar,
  .page-privacy .hold-bar__more,
  .page-privacy .doc-link,
  .page-privacy .step-item,
  .page-privacy .doc-rail__link {
    transition: none;
  }
}
<<<END>>>