.page-privacy {
  --paper-rule: rgba(16, 26, 43, 0.16);
  --paper-soft: rgba(16, 26, 43, 0.72);
  padding-bottom: clamp(40px, 6vw, 80px);
}

.page-privacy .breadcrumb {
  padding-top: clamp(16px, 2.4vw, 26px);
}

/* ---------- 首屏 ---------- */
.page-privacy .doc-hero {
  display: grid;
  gap: clamp(20px, 3vw, 36px);
  padding-top: clamp(22px, 3.4vw, 38px);
  padding-bottom: clamp(24px, 3.6vw, 42px);
  border-bottom: var(--rule);
}

.page-privacy .doc-hero__copy h1 {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(1.9rem, 5.4vw, 3.4rem);
  line-height: 1.1;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .doc-hero__lead {
  margin: 18px 0 0;
  max-width: 46ch;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--paper-dim);
}

.page-privacy .doc-hero__tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .hero-figure {
  margin: 0;
  position: relative;
  border: var(--rule);
  background: var(--deck-blue);
}

.page-privacy .hero-figure::after {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 34px;
  height: 34px;
  border-left: 1px solid var(--cyan);
  border-bottom: 1px solid var(--cyan);
  pointer-events: none;
}

.page-privacy .hero-figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-privacy .hero-figure figcaption {
  padding: 9px 12px;
  border-top: var(--rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--paper-dim);
}

/* ---------- 版本节奏 ---------- */
.page-privacy .version-block {
  padding-top: clamp(20px, 3vw, 32px);
}

.page-privacy .version-block__title {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 400;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .version-line {
  display: grid;
  gap: 0;
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: var(--rule);
  border-left: var(--rule);
}

.page-privacy .version-line li {
  position: relative;
  padding: 14px 16px 14px 30px;
  border-right: var(--rule);
  border-bottom: var(--rule);
  background: var(--deck-blue);
}

.page-privacy .version-line li::before {
  content: "";
  position: absolute;
  left: 12px;
  top: 21px;
  width: 6px;
  height: 6px;
  background: var(--cyan);
}

.page-privacy .version-line__tag {
  display: block;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .version-line__text {
  display: block;
  margin-top: 5px;
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper);
}

/* ---------- 双栏：索引 + 长文 ---------- */
.page-privacy .doc-layout {
  display: grid;
  gap: clamp(18px, 2.4vw, 28px);
  padding-top: clamp(26px, 4vw, 44px);
}

.page-privacy .privacy-rail {
  border: var(--rule);
  background: var(--deck-blue);
  padding: 16px 14px;
}

.page-privacy .privacy-rail .index-rail__title {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--cyan);
}

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

.page-privacy .privacy-rail .index-rail__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px 8px 6px;
  border-left: 2px solid transparent;
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.5;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-rail .index-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--paper-dim);
}

.page-privacy .privacy-rail .index-rail__link:hover,
.page-privacy .privacy-rail .index-rail__link:focus-visible {
  border-left-color: var(--cyan);
  background: rgba(43, 231, 218, 0.08);
  color: var(--cyan);
}

.page-privacy .privacy-rail .index-rail__link:hover .index-rail__num,
.page-privacy .privacy-rail .index-rail__link:focus-visible .index-rail__num {
  color: var(--cyan);
}

.page-privacy .privacy-rail .index-rail__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

/* ---------- 暖纸长文 ---------- */
.page-privacy .privacy-doc {
  display: grid;
  gap: clamp(14px, 2vw, 20px);
  min-width: 0;
}

.page-privacy .doc-section {
  background: var(--paper);
  color: var(--on-paper);
  border: 1px solid var(--paper-rule);
  padding: clamp(20px, 3vw, 34px);
  scroll-margin-top: 96px;
}

.page-privacy .doc-section__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--on-paper);
}

.page-privacy .doc-section__head .plate {
  flex: none;
}

.page-privacy .doc-section h2,
.page-privacy .doc-section h3 {
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--on-paper);
}

.page-privacy .doc-section h2 {
  margin: 0;
  font-size: clamp(1.1rem, 2.3vw, 1.5rem);
  line-height: 1.35;
}

.page-privacy .doc-text {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.9;
  color: var(--on-paper);
}

.page-privacy .doc-link {
  color: var(--on-paper);
  text-decoration: none;
  border-bottom: 2px solid var(--orange);
  padding-bottom: 1px;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-privacy .doc-link:hover,
.page-privacy .doc-link:focus-visible {
  color: #0b5c53;
  border-bottom-color: var(--on-paper);
}

.page-privacy .doc-link:focus-visible {
  outline: 2px solid var(--on-paper);
  outline-offset: 3px;
}

/* 信息条目 */
.page-privacy .fact-list {
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--paper-rule);
}

.page-privacy .fact-list li {
  display: grid;
  gap: 6px;
  padding: 12px 0;
  border-bottom: 1px solid var(--paper-rule);
}

.page-privacy .fact-list strong {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14.5px;
  font-weight: 700;
  color: var(--on-paper);
}

.page-privacy .fact-list li > span:last-child {
  font-size: 14px;
  line-height: 1.8;
  color: var(--paper-soft);
}

.page-privacy .mini-tag {
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.08em;
  font-weight: 400;
  padding: 1px 6px;
  border: 1px solid var(--paper-rule);
  color: var(--paper-soft);
}

/* 用途三栏 */
.page-privacy .purpose-grid {
  display: grid;
  gap: 12px;
  margin-top: 16px;
}

.page-privacy .purpose {
  border: 1px solid var(--paper-rule);
  border-top: 3px solid var(--on-paper);
  padding: 14px 15px 16px;
}

.page-privacy .purpose__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  color: #0b5c53;
}

.page-privacy .purpose h3 {
  margin: 8px 0 0;
  font-size: 15.5px;
  line-height: 1.4;
}

.page-privacy .purpose p {
  margin: 8px 0 0;
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--paper-soft);
}

/* 保存期限 */
.page-privacy .retention {
  margin-top: 16px;
  border-top: 1px solid var(--paper-rule);
}

.page-privacy .retention__row {
  display: grid;
  gap: 4px;
  padding: 10px 0;
  border-bottom: 1px solid var(--paper-rule);
}

.page-privacy .retention__key {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.06em;
  color: #0b5c53;
}

.page-privacy .retention__val {
  font-size: 14px;
  line-height: 1.75;
  color: var(--on-paper);
}

/* 申请渠道 */
.page-privacy .apply-box {
  margin-top: 16px;
  padding: 15px 16px 18px;
  border: 1px solid var(--on-paper);
  background: rgba(16, 26, 43, 0.05);
}

.page-privacy .apply-box__key {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 10.5px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--paper-soft);
}

.page-privacy .apply-box__value {
  margin: 8px 0 0;
  font-family: var(--font-mono);
  font-size: clamp(14px, 2.1vw, 17px);
  letter-spacing: 0.02em;
  color: var(--on-paper);
  overflow-wrap: anywhere;
}

.page-privacy .apply-box__note {
  margin: 12px 0 0;
  font-size: 14px;
  line-height: 1.85;
  color: var(--paper-soft);
}

/* 相关入口 */
.page-privacy .related {
  display: grid;
  gap: 10px;
}

.page-privacy .related__item {
  display: grid;
  gap: 6px;
  padding: 16px 18px;
  border: var(--rule);
  background: var(--deck-blue);
  color: var(--paper);
  text-decoration: none;
  transition: transform var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease);
}

.page-privacy .related__item:hover,
.page-privacy .related__item:focus-visible {
  transform: translateY(-2px);
  border-color: var(--cyan);
}

.page-privacy .related__item:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}

.page-privacy .related__label {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .related__text {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--paper-dim);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .version-line {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .purpose-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .retention__row {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 2fr);
    gap: 16px;
    align-items: baseline;
  }

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

@media (min-width: 960px) {
  .page-privacy .doc-hero {
    grid-template-columns: minmax(0, 1.15fr) minmax(0, 1fr);
    align-items: center;
  }

  .page-privacy .doc-layout {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .privacy-rail {
    position: sticky;
    top: 92px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .related__item,
  .page-privacy .privacy-rail .index-rail__link,
  .page-privacy .doc-link {
    transition: none;
  }

  .page-privacy .related__item:hover,
  .page-privacy .related__item:focus-visible {
    transform: none;
  }
}
<<<END>>>