/* ===== 数据保护与隐私说明（page-privacy） ===== */
.page-privacy {
  --priv-line: var(--c-line);
  --priv-accent: var(--c-cyan);
  --priv-quote-bg: rgba(123, 92, 255, 0.10);
  --priv-soft: rgba(43, 227, 224, 0.06);
  --priv-gap: 20px;
  background: var(--c-void);
  color: var(--c-body);
  overflow-x: hidden;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: calc(var(--shell-h) + 42px) 0 44px;
  background:
    radial-gradient(120% 96% at 90% -6%, rgba(123, 92, 255, 0.22) 0%, rgba(5, 7, 14, 0) 62%),
    radial-gradient(96% 74% at 4% 10%, rgba(43, 227, 224, 0.13) 0%, rgba(5, 7, 14, 0) 58%),
    var(--c-void);
  border-bottom: 1px solid var(--priv-line);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 1px;
  background: linear-gradient(90deg, var(--c-cyan) 0%, var(--c-violet) 38%, rgba(5, 7, 14, 0) 92%);
  opacity: 0.55;
}

.page-privacy .privacy-hero::before {
  display: none;
}

.page-privacy .privacy-hero__crumb {
  margin-bottom: 24px;
}

.page-privacy .privacy-hero__grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 28px;
  align-items: start;
}

.page-privacy .privacy-hero__title {
  margin: 12px 0 16px;
  font-family: var(--font-head);
  font-weight: 800;
  font-size: clamp(28px, 7.4vw, 52px);
  line-height: 1.16;
  letter-spacing: 0.015em;
  color: var(--c-text);
  max-width: 18em;
}

.page-privacy .privacy-hero__lede {
  margin: 0 0 22px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-body);
  max-width: 44em;
}

.page-privacy .privacy-hero__facts {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-hero__fact {
  display: flex;
  align-items: baseline;
  gap: 10px;
  font-size: 14px;
  line-height: 1.6;
  color: var(--c-mute);
}

.page-privacy .privacy-hero__dot {
  flex: none;
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--c-cyan), var(--c-violet));
  transform: translateY(-1px);
}

.page-privacy .privacy-hero__figure {
  margin: 0;
}

.page-privacy .privacy-hero__figure .figure__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--priv-line);
  border-radius: var(--radius-m);
  background: linear-gradient(148deg, rgba(43, 227, 224, 0.16) 0%, rgba(123, 92, 255, 0.2) 52%, var(--c-panel) 100%);
}

.page-privacy .privacy-hero__figure img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  opacity: 0.92;
}

.page-privacy .privacy-hero__figure .figure__caption {
  margin-top: 10px;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-mute);
  text-transform: uppercase;
}

/* ---------- 主体骨架 ---------- */
.page-privacy .privacy-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 30px;
  padding-top: 44px;
  padding-bottom: 68px;
}

/* ---------- 左侧目录 ---------- */
.page-privacy .privacy-toc {
  border-left: 1px solid var(--priv-line);
  padding-left: 16px;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--c-mute);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 2px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 0;
  font-size: 14px;
  line-height: 1.5;
  color: var(--c-mute);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), transform var(--t-fast) var(--ease);
}

.page-privacy .privacy-toc__num {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--priv-accent);
  opacity: 0.75;
}

.page-privacy .privacy-toc__link:hover,
.page-privacy .privacy-toc__link:focus-visible {
  color: var(--c-text);
  transform: translateX(4px);
}

.page-privacy .privacy-toc__link:hover .privacy-toc__num,
.page-privacy .privacy-toc__link:focus-visible .privacy-toc__num {
  opacity: 1;
}

/* ---------- 正文栏 ---------- */
.page-privacy .privacy-article {
  max-width: 780px;
}

.page-privacy .privacy-sec {
  padding-bottom: 38px;
  margin-bottom: 38px;
  border-bottom: 1px solid var(--priv-line);
  scroll-margin-top: calc(var(--shell-h) + 26px);
}

.page-privacy .privacy-sec:last-of-type {
  border-bottom: 0;
  margin-bottom: 24px;
}

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

.page-privacy .privacy-sec__num {
  flex: none;
  font-size: 13px;
  letter-spacing: 0.1em;
  color: var(--priv-accent);
}

.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: clamp(20px, 4.6vw, 27px);
  line-height: 1.35;
  letter-spacing: 0.01em;
  color: var(--c-text);
}

.page-privacy .privacy-sec p {
  margin: 0 0 14px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--c-body);
}

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

/* ---------- 四类信息 ---------- */
.page-privacy .privacy-terms {
  margin: 22px 0 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-terms__row {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 18px;
  background: var(--c-panel);
  border-left: 2px solid var(--priv-line);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-privacy .privacy-terms__row:hover {
  border-left-color: var(--priv-accent);
  background: var(--c-layer);
}

.page-privacy .privacy-terms__key {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.page-privacy .privacy-terms__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 用途列表 ---------- */
.page-privacy .privacy-uses {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
  display: grid;
  gap: 0;
  counter-reset: none;
}

.page-privacy .privacy-uses__item {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  padding: 18px 0;
  border-top: 1px solid var(--priv-line);
}

.page-privacy .privacy-uses__item:last-child {
  border-bottom: 1px solid var(--priv-line);
}

.page-privacy .privacy-uses__idx {
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--c-violet);
  padding-top: 3px;
}

.page-privacy .privacy-uses__title {
  margin: 0 0 6px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 17px;
  line-height: 1.5;
  color: var(--c-text);
}

.page-privacy .privacy-uses__body p {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 引文块 ---------- */
.page-privacy .privacy-quote {
  margin: 22px 0;
  padding: 16px 20px;
  background: var(--priv-quote-bg);
  border-left: 2px solid var(--c-violet);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: 15px;
  line-height: 1.85;
  color: var(--c-text);
}

/* ---------- 对外协作 ---------- */
.page-privacy .privacy-flow {
  list-style: none;
  margin: 20px 0 20px;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-flow__item {
  padding: 15px 18px;
  background: var(--priv-soft);
  border: 1px solid var(--priv-line);
  border-radius: var(--radius-s);
  transition: border-color var(--t-fast) var(--ease);
}

.page-privacy .privacy-flow__item:hover {
  border-color: var(--priv-accent);
}

.page-privacy .privacy-flow__tag {
  display: inline-block;
  margin-bottom: 8px;
  padding: 2px 9px;
  font-size: 11px;
  letter-spacing: 0.1em;
  color: var(--c-amber);
  border: 1px solid rgba(255, 178, 77, 0.4);
  border-radius: 999px;
}

.page-privacy .privacy-flow__text {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 权利列表 ---------- */
.page-privacy .privacy-rights {
  list-style: none;
  margin: 20px 0 0;
  padding: 0;
}

.page-privacy .privacy-rights__item {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 16px 0;
  border-top: 1px solid var(--priv-line);
}

.page-privacy .privacy-rights__item:last-child {
  border-bottom: 1px solid var(--priv-line);
}

.page-privacy .privacy-rights__key {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--priv-accent);
}

.page-privacy .privacy-rights__desc {
  margin: 0;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-body);
}

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-contact {
  margin: 20px 0 18px;
  border-top: 1px solid var(--priv-line);
}

.page-privacy .privacy-contact__row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding: 14px 0;
  border-bottom: 1px solid var(--priv-line);
}

.page-privacy .privacy-contact__label {
  flex: none;
  min-width: 76px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--c-mute);
}

.page-privacy .privacy-contact .copy-field {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-wrap: wrap;
}

.page-privacy .privacy-contact .copy-field__value {
  font-size: 15px;
  color: var(--c-text);
  word-break: break-all;
}

.page-privacy .privacy-contact__copy {
  appearance: none;
  cursor: pointer;
  padding: 5px 12px;
  font-family: var(--font-body);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-body);
  background: transparent;
  border: 1px solid var(--priv-line);
  border-radius: 999px;
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-privacy .privacy-contact__copy:hover,
.page-privacy .privacy-contact__copy:focus-visible {
  border-color: var(--priv-accent);
  color: var(--c-cyan);
}

.page-privacy .privacy-contact .copy-field__hint {
  margin-left: 8px;
  color: var(--c-green);
  font-size: 12px;
}

.page-privacy .privacy-contact__tip {
  font-size: 14px;
  line-height: 1.8;
  color: var(--c-mute);
}

/* ---------- 延伸阅读 ---------- */
.page-privacy .privacy-more {
  margin-top: 22px;
  padding: 24px 0 0;
  border-top: 1px solid var(--priv-line);
}

.page-privacy .privacy-more__title {
  margin: 0 0 16px;
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 18px;
  letter-spacing: 0.02em;
  color: var(--c-text);
}

.page-privacy .privacy-more__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-privacy .privacy-more__link {
  display: grid;
  gap: 4px;
  padding: 14px 16px;
  text-decoration: none;
  background: var(--c-panel);
  border-left: 2px solid var(--priv-line);
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  transition: border-color var(--t-fast) var(--ease), background var(--t-fast) var(--ease);
}

.page-privacy .privacy-more__link:hover,
.page-privacy .privacy-more__link:focus-visible {
  border-left-color: var(--priv-accent);
  background: var(--c-layer);
}

.page-privacy .privacy-more__name {
  font-family: var(--font-head);
  font-weight: 700;
  font-size: 15px;
  color: var(--c-text);
}

.page-privacy .privacy-more__hint {
  font-size: 13px;
  line-height: 1.7;
  color: var(--c-mute);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .privacy-backtop {
  position: fixed;
  right: 14px;
  bottom: 16px;
  z-index: 30;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--c-text);
  text-decoration: none;
  background: rgba(11, 16, 32, 0.88);
  border: 1px solid var(--priv-line);
  border-radius: 999px;
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-privacy .privacy-backtop:hover,
.page-privacy .privacy-backtop:focus-visible {
  border-color: var(--priv-accent);
  color: var(--c-cyan);
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-rights__item {
    grid-template-columns: 104px minmax(0, 1fr);
    gap: 20px;
    align-items: baseline;
  }

  .page-privacy .privacy-rights__key {
    font-size: 15px;
  }

  .page-privacy .privacy-terms__row {
    grid-template-columns: 150px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
  }
}

/* ---------- 桌面端 ---------- */
@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    padding-top: calc(var(--shell-h) + 64px);
    padding-bottom: 64px;
  }

  .page-privacy .privacy-hero::before {
    display: block;
    content: "";
    position: absolute;
    top: calc(var(--shell-h) + 34px);
    right: 26px;
    width: 108px;
    height: 108px;
    background-image:
      linear-gradient(90deg, var(--priv-line) 1px, transparent 1px),
      linear-gradient(180deg, var(--priv-line) 1px, transparent 1px);
    background-size: 18px 18px;
    opacity: 0.4;
    pointer-events: none;
  }

  .page-privacy .privacy-hero__grid {
    grid-template-columns: minmax(0, 1.12fr) minmax(0, 0.88fr);
    gap: 52px;
  }

  .page-privacy .privacy-hero__figure .figure__frame {
    clip-path: polygon(0 0, 100% 0, 100% 100%, 7% 100%);
  }

  .page-privacy .privacy-body {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 60px;
    padding-top: 56px;
    padding-bottom: 88px;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--shell-h) + 28px);
    align-self: start;
    padding-left: 18px;
  }

  .page-privacy .privacy-body {
    align-items: start;
  }
}

@media (min-width: 1200px) {
  .page-privacy .privacy-body {
    grid-template-columns: 262px minmax(0, 1fr);
    gap: 78px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-terms__row,
  .page-privacy .privacy-flow__item,
  .page-privacy .privacy-more__link,
  .page-privacy .privacy-backtop,
  .page-privacy .privacy-contact__copy {
    transition: none;
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    transform: none;
  }
}
</PAGE_CSS>>