/* ============ 数据保护 / privacy ============ */
.page-privacy {
  --pv-index-w: 218px;
}

/* ---- 页头 ---- */
.page-privacy .privacy-head {
  padding: clamp(20px, 3.5vw, 36px) 0 0;
}

.page-privacy .page-head__index {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-orange);
  margin: 0 0 16px;
}

.page-privacy .page-head__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(36px, 6.4vw, 64px);
  letter-spacing: -0.02em;
  line-height: 1.04;
  color: var(--c-text);
  margin: 0 0 18px;
}

.page-privacy .page-head__lead {
  max-width: 56ch;
  font-size: clamp(15.5px, 1.6vw, 17px);
  line-height: 1.85;
  color: var(--c-text-2);
  margin: 0 0 22px;
}

.page-privacy .privacy-head__flags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  list-style: none;
  margin: 0 0 clamp(26px, 4vw, 44px);
  padding: 0;
}

/* ---- 首图 ---- */
.page-privacy .privacy-hero {
  margin: 0 0 clamp(30px, 5vw, 56px);
}

.page-privacy .privacy-hero .figure__frame {
  position: relative;
  display: block;
  overflow: hidden;
  width: 100%;
  aspect-ratio: 16 / 9;
  border: var(--hair);
  border-radius: var(--r);
  background-color: var(--c-layer);
  background-image:
    linear-gradient(to right, rgba(30, 58, 92, 0.5) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(30, 58, 92, 0.5) 1px, transparent 1px);
  background-size: 48px 48px;
}

.page-privacy .privacy-hero .figure__img {
  display: block;
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
}

.page-privacy .privacy-hero .figure__caption {
  margin-top: 12px;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--c-mist);
}

/* ---- 主体：索引 + 正文 ---- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(28px, 4vw, 48px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

/* 索引 */
.page-privacy .privacy-index {
  min-width: 0;
}

.page-privacy .privacy-index__title {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--c-mist);
  margin: 0 0 10px;
}

.page-privacy .privacy-index__list {
  display: flex;
  gap: 6px;
  list-style: none;
  margin: 0;
  padding: 0 0 8px;
  overflow-x: auto;
  scrollbar-width: thin;
}

.page-privacy .privacy-index__item {
  flex: none;
}

.page-privacy .privacy-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  white-space: nowrap;
  padding: 8px 12px;
  border: var(--hair);
  border-radius: var(--r);
  background: transparent;
  color: var(--c-text-2);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  transition: color var(--t) var(--ease), border-color var(--t) var(--ease), background var(--t) var(--ease);
}

.page-privacy .privacy-index__num {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.08em;
  color: var(--c-mist);
  transition: color var(--t) var(--ease);
}

.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible {
  color: var(--c-text);
  border-color: var(--c-cyan);
}

.page-privacy .privacy-index__link.is-active {
  color: var(--c-cyan);
  border-color: var(--c-cyan);
  background: rgba(79, 227, 208, 0.06);
}

.page-privacy .privacy-index__link.is-active .privacy-index__num {
  color: var(--c-cyan);
}

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

/* 正文列 */
.page-privacy .privacy-sections {
  min-width: 0;
}

.page-privacy .psec {
  padding: clamp(24px, 4vw, 38px) 0;
  border-top: var(--hair);
  scroll-margin-top: 120px;
}

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

.page-privacy .psec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
}

.page-privacy .psec__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 500;
  letter-spacing: 0.1em;
  color: var(--c-cyan);
}

.page-privacy .psec__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(21px, 2.8vw, 29px);
  letter-spacing: -0.02em;
  line-height: 1.25;
  color: var(--c-text);
  margin: 0;
}

.page-privacy .psec__body {
  max-width: 68ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-text-2);
}

.page-privacy .psec__body p {
  margin: 0 0 15px;
}

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

.page-privacy .psec__body strong {
  color: var(--c-text);
  font-weight: 600;
}

.page-privacy .psec__body a {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  transition: border-color var(--t) var(--ease);
}

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

/* 信息类别表 */
.page-privacy .facts {
  margin: 18px 0 0;
  padding: 0;
  border-top: var(--hair);
}

.page-privacy .facts__item {
  display: grid;
  grid-template-columns: 1fr;
  gap: 4px;
  padding: 13px 0;
  border-bottom: var(--hair);
}

.page-privacy .facts__key {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.06em;
  color: var(--c-mist);
}

.page-privacy .facts__val {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-text-2);
}

/* 旁注块 */
.page-privacy .psec__body .note {
  margin: 20px 0 0;
  padding: 12px 0 12px 16px;
  border-left: 2px solid var(--c-cyan);
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--c-text-2);
}

/* ---- 页尾联系区 ---- */
.page-privacy .privacy-foot {
  margin-top: clamp(28px, 4vw, 44px);
  padding: clamp(22px, 3.4vw, 34px);
  background: var(--c-layer);
  border: var(--hair);
  border-radius: var(--r);
  box-shadow: var(--shadow-soft);
}

.page-privacy .privacy-foot__title {
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(19px, 2.4vw, 24px);
  letter-spacing: -0.01em;
  color: var(--c-text);
  margin: 0 0 12px;
}

.page-privacy .privacy-foot__text {
  max-width: 62ch;
  margin: 0 0 20px;
  font-size: 15.5px;
  line-height: 1.8;
  color: var(--c-text-2);
}

.page-privacy .privacy-foot__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 16px;
}

.page-privacy .privacy-foot__meta {
  font-family: var(--font-mono);
  font-size: 12.5px;
  letter-spacing: 0.04em;
  color: var(--c-mist);
  margin: 0;
  word-break: break-all;
}

/* ---- 中屏 ---- */
@media (min-width: 640px) {
  .page-privacy .facts__item {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }
}

@media (min-width: 720px) {
  .page-privacy .privacy-hero .figure__frame {
    aspect-ratio: 21 / 9;
  }
}

/* ---- 桌面：固定章节索引 ---- */
@media (min-width: 960px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--pv-index-w) minmax(0, 1fr);
    gap: clamp(48px, 6vw, 76px);
    align-items: start;
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 116px;
    align-self: start;
  }

  .page-privacy .privacy-index__title {
    margin-bottom: 14px;
  }

  .page-privacy .privacy-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
    border-top: var(--hair);
  }

  .page-privacy .privacy-index__item {
    width: 100%;
  }

  .page-privacy .privacy-index__link {
    display: flex;
    width: 100%;
    justify-content: flex-start;
    padding: 12px 8px 12px 0;
    border: 0;
    border-bottom: var(--hair);
    border-radius: 0;
    font-size: 13.5px;
    white-space: normal;
    line-height: 1.5;
  }

  .page-privacy .privacy-index__link.is-active {
    background: transparent;
  }

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

/* ---- 动效降级 ---- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__link,
  .page-privacy .privacy-index__num,
  .page-privacy .psec__body a {
    transition: none;
  }
}