.page-privacy {
  --privacy-line: rgba(7, 26, 51, 0.12);
  --privacy-line-soft: rgba(7, 26, 51, 0.07);
  --privacy-card: #ffffff;
  --privacy-text: #2b3852;
  --privacy-muted: #5a6478;
  background: var(--paper-050);
  color: var(--ink-900);
  overflow-x: clip;
}

/* ---------- 首屏 ---------- */
.page-privacy .policy-hero {
  position: relative;
  isolation: isolate;
  padding-top: clamp(22px, 4vw, 44px);
  padding-bottom: clamp(64px, 9vw, 128px);
  background:
    linear-gradient(148deg, var(--ink-950) 0%, var(--ink-900) 48%, var(--ink-700) 100%);
  color: var(--paper-050);
  overflow: hidden;
}

.page-privacy .policy-hero::before {
  content: "";
  position: absolute;
  inset: -10% -20% auto auto;
  width: min(760px, 90vw);
  height: min(560px, 70vw);
  background: radial-gradient(closest-side, rgba(255, 90, 31, 0.26), transparent 72%);
  pointer-events: none;
  z-index: 0;
}

.page-privacy .policy-hero::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: clamp(48px, 7vw, 96px);
  background: var(--paper-050);
  clip-path: polygon(0 100%, 100% 0, 100% 100%);
  z-index: 0;
}

.page-privacy .policy-hero__inner {
  position: relative;
  z-index: 2;
  display: grid;
  gap: 16px;
  max-width: 880px;
}

.page-privacy .policy-hero__crumbs {
  margin-bottom: 4px;
}

.page-privacy .policy-hero__crumbs .breadcrumbs__item,
.page-privacy .policy-hero__crumbs .breadcrumbs__link {
  color: var(--snow-300);
}

.page-privacy .policy-hero__crumbs .breadcrumbs__link:hover,
.page-privacy .policy-hero__crumbs .breadcrumbs__link:focus-visible {
  color: var(--flame-300);
}

.page-privacy .policy-hero__kicker {
  margin: 0;
  color: var(--sand-400);
  font-family: var(--font-mono);
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.page-privacy .policy-hero__title {
  margin: 0;
  color: #ffffff;
  font-family: var(--font-display);
}

.page-privacy .policy-hero__lede {
  margin: 0;
  max-width: 62ch;
  color: var(--snow-300);
  font-size: 16px;
  line-height: 1.85;
}

.page-privacy .policy-hero__chips {
  list-style: none;
  margin: 10px 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.page-privacy .policy-hero__chip {
  padding: 6px 12px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--flame-500);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--snow-300);
  background: rgba(5, 11, 20, 0.28);
}

.page-privacy .policy-hero__figure {
  position: relative;
  z-index: 2;
  margin: clamp(30px, 5vw, 56px) 0 0;
  padding: 0 var(--gutter);
}

.page-privacy .policy-hero__figure img {
  display: block;
  width: 100%;
  max-width: var(--wrap);
  height: auto;
  margin: 0 auto;
  aspect-ratio: 16 / 5;
  object-fit: cover;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

/* ---------- 目录 + 正文双栏 ---------- */
.page-privacy .policy-shell {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 4vw, 56px);
  padding-top: clamp(40px, 6vw, 84px);
  padding-bottom: clamp(56px, 8vw, 104px);
}

.page-privacy .policy-toc {
  align-self: start;
  padding: 20px 16px 18px;
  background: var(--privacy-card);
  border: 1px solid var(--privacy-line);
  box-shadow: 0 1px 0 var(--privacy-line-soft);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-privacy .policy-toc__title {
  margin: 0 0 12px;
  padding-left: 12px;
  color: var(--privacy-muted);
  font-family: var(--font-mono);
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.page-privacy .policy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .policy-toc__link {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px 9px 12px;
  border-left: 3px solid transparent;
  color: var(--ink-900);
  font-size: 14px;
  line-height: 1.45;
  text-decoration: none;
  transition: border-color var(--ease), background-color var(--ease), color var(--ease);
}

.page-privacy .policy-toc__link:hover,
.page-privacy .policy-toc__link:focus-visible {
  border-left-color: var(--flame-500);
  background: rgba(255, 90, 31, 0.07);
  color: var(--ink-950);
}

.page-privacy .policy-toc__link:focus-visible {
  outline: 2px solid var(--flame-500);
  outline-offset: 2px;
}

.page-privacy .policy-toc__num {
  font-size: 12px;
  line-height: 1;
  letter-spacing: 0.06em;
  color: var(--sand-400);
}

/* ---------- 正文 ---------- */
.page-privacy .policy-body {
  max-width: 66ch;
  min-width: 0;
}

.page-privacy .policy-chapter + .policy-chapter {
  margin-top: clamp(40px, 5vw, 76px);
  padding-top: clamp(28px, 3.6vw, 46px);
  border-top: 1px dashed var(--privacy-line);
}

.page-privacy .policy-chapter__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: 14px;
  align-items: baseline;
  margin-bottom: 18px;
}

.page-privacy .policy-chapter__index {
  font-size: clamp(20px, 2.4vw, 30px);
  line-height: 1;
  letter-spacing: 0.04em;
  color: var(--sand-400);
}

.page-privacy .policy-chapter__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(22px, 2.6vw, 32px);
  font-weight: 600;
  letter-spacing: 0.01em;
  line-height: 1.25;
  color: var(--ink-950);
}

.page-privacy .policy-chapter__body > p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.82;
  color: var(--privacy-text);
}

.page-privacy .policy-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .policy-list__item {
  position: relative;
  padding-left: 22px;
  font-size: 16px;
  line-height: 1.8;
  color: var(--privacy-text);
}

.page-privacy .policy-list__item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 10px;
  height: 1px;
  background: var(--flame-500);
}

.page-privacy .policy-list__item strong {
  color: var(--ink-950);
  font-weight: 600;
}

/* ---------- 保留期限表 ---------- */
.page-privacy .policy-facts {
  margin: 0 0 20px;
  background: var(--privacy-card);
  border: 1px solid var(--privacy-line);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-privacy .policy-fact {
  display: grid;
  gap: 6px;
  padding: 15px 18px;
}

.page-privacy .policy-fact + .policy-fact {
  border-top: 1px solid var(--privacy-line-soft);
}

.page-privacy .policy-fact__key {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--blue-500);
}

.page-privacy .policy-fact__val {
  font-size: 16px;
  line-height: 1.75;
  color: var(--privacy-text);
}

/* ---------- 联系卡片 ---------- */
.page-privacy .policy-contact {
  margin-top: 22px;
  padding: 24px 22px 26px;
  background: linear-gradient(135deg, var(--ink-900) 0%, var(--ink-700) 100%);
  color: var(--paper-050);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - var(--cut)), calc(100% - var(--cut)) 100%, 0 100%);
}

.page-privacy .policy-contact__lead {
  margin: 0 0 16px;
  font-size: 15px;
  line-height: 1.7;
  color: var(--snow-300);
}

.page-privacy .policy-contact__list {
  margin: 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .policy-contact__row {
  display: grid;
  gap: 3px;
}

.page-privacy .policy-contact__label {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--sand-400);
}

.page-privacy .policy-contact__value {
  margin: 0;
  font-size: 16px;
  line-height: 1.65;
  color: #ffffff;
  overflow-wrap: anywhere;
}

/* ---------- 底部动作 ---------- */
.page-privacy .policy-links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 26px;
}

/* ---------- 回到顶部 ---------- */
.page-privacy .policy-backtop {
  position: fixed;
  right: clamp(14px, 2.4vw, 30px);
  bottom: clamp(14px, 2.4vw, 30px);
  z-index: 30;
  padding: 9px 14px;
  border: 1px solid var(--line-strong);
  border-left: 3px solid var(--flame-500);
  background: rgba(7, 26, 51, 0.92);
  color: var(--snow-300);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  text-decoration: none;
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 12px), calc(100% - 12px) 100%, 0 100%);
  transition: color var(--ease), border-color var(--ease), transform var(--ease), background-color var(--ease);
}

.page-privacy .policy-backtop:hover,
.page-privacy .policy-backtop:focus-visible {
  color: #ffffff;
  border-left-color: var(--flame-300);
  background: rgba(14, 47, 90, 0.96);
  transform: translateY(-3px);
}

.page-privacy .policy-backtop:focus-visible {
  outline: 2px solid var(--flame-500);
  outline-offset: 2px;
}

/* ---------- 中等屏幕 ---------- */
@media (min-width: 640px) {
  .page-privacy .policy-fact {
    grid-template-columns: 170px minmax(0, 1fr);
    gap: 18px;
    align-items: baseline;
    padding: 16px 22px;
  }

  .page-privacy .policy-contact {
    padding: 28px 30px 30px;
  }

  .page-privacy .policy-contact__row {
    grid-template-columns: 110px minmax(0, 1fr);
    gap: 16px;
    align-items: baseline;
  }
}

/* ---------- 桌面：粘性目录 ---------- */
@media (min-width: 960px) {
  .page-privacy .policy-shell {
    grid-template-columns: 232px minmax(0, 1fr);
    align-items: start;
  }

  .page-privacy .policy-toc {
    position: sticky;
    top: 116px;
  }

  .page-privacy .policy-body {
    padding-top: 4px;
  }
}

@media (min-width: 1200px) {
  .page-privacy .policy-shell {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 72px;
  }
}

/* ---------- 减少动效 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .policy-toc__link,
  .page-privacy .policy-backtop {
    transition: none;
  }

  .page-privacy .policy-backtop:hover,
  .page-privacy .policy-backtop:focus-visible {
    transform: none;
  }
}