.page-privacy {
  --doc-size: 16.5px;
  --doc-index-w: 214px;
  background: var(--ink-900);
}

/* ---------- 顶部纹理横带 ---------- */
.page-privacy .privacy-band {
  position: relative;
  height: clamp(130px, 20vw, 230px);
  border-bottom: 1px solid var(--line);
  overflow: hidden;
}

.page-privacy .privacy-band img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .58;
  max-width: 100%;
  height: auto;
  min-height: 100%;
}

.page-privacy .privacy-band::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 10, 28, .3) 0%, rgba(5, 10, 28, .88) 100%);
  pointer-events: none;
}

/* ---------- 页首 ---------- */
.page-privacy .privacy-head {
  position: relative;
  padding: clamp(30px, 5vw, 58px) 0 clamp(10px, 2vw, 18px);
}

.page-privacy .privacy-head__title {
  margin: 18px 0 0;
  max-width: 22em;
  font-size: clamp(28px, 4.2vw, 50px);
  line-height: 1.18;
  letter-spacing: -.02em;
  color: var(--fog);
}

.page-privacy .privacy-head__lead {
  margin: 20px 0 0;
  max-width: 34em;
  font-size: 17px;
  line-height: 1.9;
  color: var(--silver);
}

.page-privacy .privacy-head__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 26px;
  font-size: 12.5px;
  letter-spacing: .06em;
  color: var(--dust);
}

/* ---------- 字号切换 ---------- */
.page-privacy .doc-modes {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .doc-modes__label {
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--dust);
}

.page-privacy .doc-mode {
  display: inline-block;
  padding: 4px 13px;
  border: 1px solid var(--line);
  background: var(--ink-800);
  color: var(--silver);
  font-size: 12.5px;
  letter-spacing: .05em;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease);
}

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

.page-privacy .fs-anchor {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  overflow: hidden;
  clip-path: inset(50%);
  pointer-events: none;
}

.page-privacy:has(#fs-m:target) .privacy-doc { --doc-size: 18px; }
.page-privacy:has(#fs-l:target) .privacy-doc { --doc-size: 19.5px; }

/* ---------- 正文骨架 ---------- */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(34px, 5vw, 68px);
  padding: clamp(42px, 6vw, 82px) 0 clamp(72px, 9vw, 120px);
}

.page-privacy .privacy-doc {
  max-width: 40em;
  font-size: var(--doc-size);
  line-height: 1.9;
  color: var(--silver);
}

/* ---------- 左侧章节索引 ---------- */
.page-privacy .doc-index__title {
  margin: 0 0 14px;
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--dust);
}

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

.page-privacy .doc-index__link {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  padding: 7px 13px;
  border: 1px solid var(--line);
  background: var(--ink-850);
  color: var(--silver);
  font-size: 13px;
  line-height: 1.5;
  text-decoration: none;
  transition: color .2s var(--ease), border-color .2s var(--ease), background .2s var(--ease);
}

.page-privacy .doc-index__link .mono {
  font-size: 11.5px;
  color: var(--violet);
  letter-spacing: .08em;
}

.page-privacy .doc-index__link:hover,
.page-privacy .doc-index__link:focus-visible {
  color: var(--fog);
  border-color: var(--violet);
}

/* ---------- 条文 ---------- */
.page-privacy .doc-section {
  scroll-margin-top: 112px;
  padding-bottom: clamp(34px, 4.6vw, 58px);
}

.page-privacy .doc-section + .doc-section {
  padding-top: clamp(34px, 4.6vw, 58px);
  border-top: 1px solid var(--line-soft);
}

.page-privacy .doc-section:last-child {
  padding-bottom: 0;
}

.page-privacy .doc-section__title {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0;
  font-size: clamp(20px, 2.3vw, 26px);
  line-height: 1.35;
  letter-spacing: -.01em;
  color: var(--fog);
}

.page-privacy .doc-section__num {
  flex: none;
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--violet);
}

.page-privacy .doc-section__rule {
  display: block;
  width: 56px;
  height: 1px;
  margin: 14px 0 24px;
  background: var(--cyan);
}

.page-privacy .privacy-doc p {
  margin: 0 0 18px;
}

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

.page-privacy .doc-link {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(36, 224, 214, .4);
  transition: border-color .2s var(--ease), color .2s var(--ease);
}

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

/* ---------- 术语提示 ---------- */
.page-privacy .term {
  position: relative;
  color: var(--fog);
  border-bottom: 1px dashed rgba(36, 224, 214, .55);
  cursor: help;
  outline-offset: 3px;
}

.page-privacy .term__tip {
  position: absolute;
  left: 0;
  bottom: calc(100% + 10px);
  z-index: 6;
  width: max-content;
  max-width: min(260px, 74vw);
  padding: 9px 12px;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: var(--ink-700);
  color: var(--silver);
  font-size: 12.5px;
  line-height: 1.7;
  opacity: 0;
  visibility: hidden;
  transform: translateY(4px);
  transition: opacity .18s var(--ease), transform .18s var(--ease), visibility .18s;
}

.page-privacy .term:hover .term__tip,
.page-privacy .term:focus-visible .term__tip,
.page-privacy .term:focus-within .term__tip {
  opacity: 1;
  visibility: visible;
  transform: translateY(0);
}

/* ---------- 信息分类卡 ---------- */
.page-privacy .collect-grid {
  display: grid;
  gap: 14px;
  margin: 0 0 22px;
}

.page-privacy .collect-card {
  padding: 18px 18px 16px;
  border: 1px solid var(--line);
  background: var(--ink-850);
}

.page-privacy .collect-card h3 {
  margin: 0 0 9px;
  font-size: 15px;
  letter-spacing: .01em;
  color: var(--fog);
}

.page-privacy .collect-card p {
  margin: 0 0 12px;
  font-size: 14.5px;
  line-height: 1.85;
  color: var(--silver);
}

.page-privacy .collect-card__use {
  margin: 0;
  padding-top: 11px;
  border-top: 1px solid var(--line-soft);
  font-size: 11.5px;
  letter-spacing: .07em;
  color: var(--cyan);
}

/* ---------- 条文条目 ---------- */
.page-privacy .clause-list {
  margin: 0 0 22px;
  padding: 0;
  list-style: none;
}

.page-privacy .clause-list li {
  padding: 15px 0;
  border-top: 1px solid var(--line-soft);
  font-size: 15px;
  line-height: 1.9;
}

.page-privacy .clause-list li:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .clause-list__key {
  display: block;
  margin-bottom: 4px;
  color: var(--fog);
  font-weight: 600;
}

.page-privacy .clause-list__key::before {
  content: "";
  display: inline-block;
  width: 6px;
  height: 6px;
  margin-right: 10px;
  background: var(--violet);
  vertical-align: middle;
}

.page-privacy .clause-list--rights .clause-list__key::before {
  background: var(--gold);
}

/* ---------- 联系块 ---------- */
.page-privacy .contact-slab {
  display: grid;
  gap: 12px;
  padding: 20px 22px;
  border: 1px solid var(--line);
  border-left: 3px solid var(--violet);
  background: linear-gradient(135deg, rgba(155, 107, 255, .1) 0%, rgba(12, 20, 48, .92) 58%);
}

.page-privacy .contact-slab__row {
  display: flex;
  flex-wrap: wrap;
  gap: 4px 14px;
  align-items: baseline;
  font-size: 14px;
}

.page-privacy .contact-slab__k {
  flex: none;
  min-width: 62px;
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--dust);
}

.page-privacy .contact-slab__v {
  color: var(--fog);
}

.page-privacy .contact-slab__note {
  margin: 4px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--line-soft);
  font-size: 14px;
  line-height: 1.85;
  color: var(--silver);
}

/* ---------- 桌面布局 ---------- */
@media (min-width: 700px) {
  .page-privacy .collect-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .collect-card:first-child {
    grid-column: 1 / -1;
  }
}

@media (min-width: 960px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--doc-index-w) minmax(0, 1fr);
    column-gap: clamp(40px, 5vw, 88px);
  }

  .page-privacy .doc-index__inner {
    position: sticky;
    top: 104px;
  }

  .page-privacy .doc-index__list {
    flex-direction: column;
    gap: 0;
  }

  .page-privacy .doc-index__link {
    display: flex;
    justify-content: flex-start;
    padding: 9px 12px;
    border: 0;
    border-left: 1px solid var(--line);
    background: transparent;
  }

  .page-privacy .doc-index__link:hover,
  .page-privacy .doc-index__link:focus-visible {
    background: var(--ink-850);
    border-left-color: var(--cyan);
  }

  .page-privacy:has(#collect:target) .doc-index__link[href="#collect"],
  .page-privacy:has(#purpose:target) .doc-index__link[href="#purpose"],
  .page-privacy:has(#points:target) .doc-index__link[href="#points"],
  .page-privacy:has(#security:target) .doc-index__link[href="#security"],
  .page-privacy:has(#sharing:target) .doc-index__link[href="#sharing"],
  .page-privacy:has(#rights:target) .doc-index__link[href="#rights"],
  .page-privacy:has(#updates:target) .doc-index__link[href="#updates"] {
    color: var(--fog);
    background: var(--ink-850);
    border-left-color: var(--violet);
  }
}

@media (min-width: 1120px) {
  .page-privacy .collect-grid {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .collect-card:first-child {
    grid-column: auto;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .doc-mode,
  .page-privacy .doc-index__link,
  .page-privacy .doc-link,
  .page-privacy .term__tip {
    transition: none;
  }
}