.page-privacy {
  --privacy-index-w: 220px;
  background: var(--ink-900);
  color: var(--paper);
}

/* 页首 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 2px solid var(--line);
  background: var(--ink-900);
}

.page-privacy .privacy-hero__texture {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: 0.42;
  filter: saturate(0.85) contrast(1.05);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background:
    linear-gradient(105deg, var(--ink-900) 18%, rgba(6, 17, 13, 0.62) 58%, rgba(47, 243, 214, 0.09) 100%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: clamp(28px, 6vw, 44px) clamp(36px, 7vw, 60px);
}

.page-privacy .privacy-hero__eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  margin: clamp(20px, 4vw, 34px) 0 0;
  color: var(--teal);
}

.page-privacy .privacy-hero__eyebrow::before {
  content: "";
  width: 22px;
  height: 8px;
  background: var(--orange);
}

.page-privacy .privacy-hero__title {
  margin: 12px 0 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(38px, 8.5vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lede {
  margin: clamp(16px, 3vw, 22px) 0 0;
  max-width: 60ch;
  font-size: 16px;
  line-height: 1.85;
  color: var(--haze);
}

.page-privacy .privacy-hero__facts {
  list-style: none;
  margin: clamp(26px, 5vw, 40px) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
}

.page-privacy .privacy-hero__facts li {
  display: flex;
  align-items: baseline;
  gap: 8px;
  padding-top: 10px;
  border-top: 2px solid var(--line);
  min-width: 132px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--haze);
}

.page-privacy .privacy-hero__facts .num {
  font-family: var(--font-mono);
  font-size: 19px;
  font-weight: 700;
  color: var(--teal);
  letter-spacing: -0.01em;
}

/* 主体两栏 */
.page-privacy .privacy-body {
  display: grid;
  gap: clamp(24px, 4vw, 44px);
  padding-block: clamp(30px, 6vw, 68px) clamp(48px, 8vw, 92px);
  align-items: start;
}

/* 章节索引 */
.page-privacy .privacy-index {
  border-left: 2px solid var(--line);
  min-width: 0;
}

.page-privacy .privacy-index__label {
  margin: 0 0 12px;
  padding-left: 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--dim);
}

.page-privacy .privacy-index__list {
  list-style: none;
  margin: 0;
  padding: 0 0 4px;
  display: flex;
  gap: 8px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-index__list a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  padding: 9px 13px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  color: var(--haze);
  font-size: 13.5px;
  line-height: 1.45;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--speed) var(--ease), border-color var(--speed) var(--ease), background-color var(--speed) var(--ease);
}

.page-privacy .privacy-index__list a:hover,
.page-privacy .privacy-index__list a:focus-visible {
  color: var(--teal);
  border-color: var(--teal-deep);
}

.page-privacy .privacy-index__num {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--orange);
}

/* 当前锚点章节在索引中的高亮 */
.page-privacy:has(#scope:target) .privacy-index__list a[href="#scope"],
.page-privacy:has(#purpose:target) .privacy-index__list a[href="#purpose"],
.page-privacy:has(#sharing:target) .privacy-index__list a[href="#sharing"],
.page-privacy:has(#rights:target) .privacy-index__list a[href="#rights"],
.page-privacy:has(#version:target) .privacy-index__list a[href="#version"],
.page-privacy:has(#related:target) .privacy-index__list a[href="#related"] {
  color: var(--paper);
  border-color: var(--orange);
  background: rgba(255, 122, 43, 0.09);
}

/* 条款组 */
.page-privacy .privacy-clauses {
  min-width: 0;
}

.page-privacy .privacy-clause {
  border-bottom: 1px solid var(--line);
  scroll-margin-top: 96px;
}

.page-privacy .privacy-clause:first-child {
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-clause:target {
  border-bottom-color: var(--orange);
}

.page-privacy .privacy-clause__heading {
  margin: 0;
  font-size: inherit;
  font-weight: inherit;
}

.page-privacy .privacy-clause__trigger {
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 12px;
  width: 100%;
  padding: 16px 0;
  background: none;
  border: 0;
  border-radius: 0;
  text-align: left;
  cursor: pointer;
  color: var(--paper);
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(18px, 2.4vw, 23px);
  letter-spacing: -0.01em;
  line-height: 1.3;
  transition: color var(--speed) var(--ease);
}

.page-privacy .privacy-clause__trigger:hover,
.page-privacy .privacy-clause__trigger:focus-visible {
  color: var(--teal);
}

.page-privacy .privacy-clause__num {
  display: grid;
  place-items: center;
  min-width: 32px;
  height: 32px;
  background: var(--orange);
  color: var(--ink-900);
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 700;
  border-radius: var(--radius);
}

.page-privacy .privacy-clause__mark {
  position: relative;
  width: 26px;
  height: 26px;
  border: 2px solid var(--line);
  border-radius: var(--radius);
  flex: none;
  transition: border-color var(--speed) var(--ease);
}

.page-privacy .privacy-clause__trigger:hover .privacy-clause__mark {
  border-color: var(--teal-deep);
}

.page-privacy .privacy-clause__mark::before,
.page-privacy .privacy-clause__mark::after {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  background: var(--teal);
  transform: translate(-50%, -50%);
}

.page-privacy .privacy-clause__mark::before {
  width: 12px;
  height: 2px;
}

.page-privacy .privacy-clause__mark::after {
  width: 2px;
  height: 12px;
  transition: transform var(--speed) var(--ease), opacity var(--speed) var(--ease);
}

.page-privacy .privacy-clause[data-open="true"] .privacy-clause__mark::after {
  transform: translate(-50%, -50%) rotate(90deg);
  opacity: 0;
}

/* 展开面板：默认可见，JS 收起后才隐藏 */
.page-privacy .privacy-clause .expand-panel {
  display: block;
}

.page-privacy .privacy-clause[data-open="false"] .expand-panel {
  display: none;
}

.page-privacy .privacy-clause__body {
  display: grid;
  gap: 16px;
  max-width: 66ch;
  padding: 2px 0 26px;
}

.page-privacy .privacy-clause__body p {
  margin: 0;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--haze);
}

.page-privacy .privacy-clause__body strong {
  color: var(--paper);
  font-weight: 700;
}

/* 信息类型字段表 */
.page-privacy .privacy-fields {
  margin: 0;
  display: grid;
}

.page-privacy .privacy-fields > div {
  display: grid;
  gap: 4px;
  padding: 14px 0;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-fields dt {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--teal);
}

.page-privacy .privacy-fields dd {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--haze);
}

/* 用途与期限 */
.page-privacy .privacy-keep {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-keep li {
  display: grid;
  gap: 3px;
  padding: 14px 0;
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-keep__key {
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--paper);
}

.page-privacy .privacy-keep__desc {
  font-size: 14px;
  line-height: 1.7;
  color: var(--dim);
}

.page-privacy .privacy-keep__val {
  font-family: var(--font-mono);
  font-size: 13.5px;
  font-weight: 700;
  color: var(--orange);
  letter-spacing: 0.01em;
}

/* 通用条目列表 */
.page-privacy .privacy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--haze);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  background: var(--teal);
}

/* 联系方式面板 */
.page-privacy .privacy-callout {
  margin-top: 6px;
  padding: 18px 20px;
  background: var(--ink-800);
  border: 2px solid var(--line);
  border-left: 4px solid var(--orange);
  border-radius: var(--radius);
  box-shadow: var(--shadow-hard-sm);
  display: grid;
  gap: 8px;
}

.page-privacy .privacy-callout__label {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--dim);
}

.page-privacy .privacy-callout__value {
  margin: 0;
  font-family: var(--font-mono);
  font-size: clamp(15px, 3.6vw, 20px);
  font-weight: 700;
  color: var(--orange);
  word-break: break-all;
}

.page-privacy .privacy-callout__note {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: var(--haze);
}

/* 相关页面 */
.page-privacy .privacy-links {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  border-top: 1px solid var(--line);
}

.page-privacy .privacy-links li {
  border-bottom: 1px solid var(--line);
}

.page-privacy .privacy-links a {
  display: grid;
  gap: 4px;
  padding: 14px 2px;
  text-decoration: none;
  transition: transform var(--speed) var(--ease);
}

.page-privacy .privacy-links a:hover,
.page-privacy .privacy-links a:focus-visible {
  transform: translateX(4px);
}

.page-privacy .privacy-links__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: 16px;
  color: var(--paper);
}

.page-privacy .privacy-links__title::after {
  content: "→";
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--teal);
}

.page-privacy .privacy-links a:hover .privacy-links__title,
.page-privacy .privacy-links a:focus-visible .privacy-links__title {
  color: var(--teal);
}

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

/* 平板与桌面 */
@media (min-width: 640px) {
  .page-privacy .privacy-fields > div {
    grid-template-columns: 132px minmax(0, 1fr);
    gap: 18px;
    align-items: start;
  }

  .page-privacy .privacy-keep li {
    grid-template-columns: 1fr auto;
    align-items: baseline;
    gap: 4px 20px;
  }

  .page-privacy .privacy-keep__key {
    grid-column: 1;
  }

  .page-privacy .privacy-keep__desc {
    grid-column: 1;
  }

  .page-privacy .privacy-keep__val {
    grid-column: 2;
    grid-row: 1 / span 2;
    text-align: right;
    align-self: center;
    max-width: 12em;
  }

  .page-privacy .privacy-links a {
    grid-template-columns: 1fr;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-body {
    grid-template-columns: var(--privacy-index-w) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 64px);
  }

  .page-privacy .privacy-index {
    position: sticky;
    top: 96px;
  }

  .page-privacy .privacy-index__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-index__list a {
    border: 0;
    border-left: 2px solid transparent;
    border-radius: 0;
    margin-left: -2px;
    padding: 9px 14px;
    white-space: normal;
    font-size: 14px;
  }

  .page-privacy .privacy-index__list a:hover,
  .page-privacy .privacy-index__list a:focus-visible {
    border-left-color: var(--teal-deep);
    background: rgba(47, 243, 214, 0.05);
  }

  .page-privacy:has(#scope:target) .privacy-index__list a[href="#scope"],
  .page-privacy:has(#purpose:target) .privacy-index__list a[href="#purpose"],
  .page-privacy:has(#sharing:target) .privacy-index__list a[href="#sharing"],
  .page-privacy:has(#rights:target) .privacy-index__list a[href="#rights"],
  .page-privacy:has(#version:target) .privacy-index__list a[href="#version"],
  .page-privacy:has(#related:target) .privacy-index__list a[href="#related"] {
    border-left-color: var(--orange);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
  }

  .page-privacy .privacy-clause__trigger {
    padding: 20px 0;
  }

  .page-privacy .privacy-clause__body {
    padding: 4px 0 32px 44px;
  }

  .page-privacy .privacy-callout {
    padding: 22px 24px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-index__list a,
  .page-privacy .privacy-clause__trigger,
  .page-privacy .privacy-clause__mark,
  .page-privacy .privacy-clause__mark::after,
  .page-privacy .privacy-links a {
    transition: none;
  }

  .page-privacy .privacy-links a:hover,
  .page-privacy .privacy-links a:focus-visible {
    transform: none;
  }
}