.page-privacy {
  --p-read: 760px;
  --p-rule: rgba(140, 149, 157, 0.18);
  --p-ink: rgba(232, 236, 239, 0.86);
  --p-card: rgba(20, 24, 29, 0.72);
  --p-strip: rgba(34, 224, 214, 0.35);
  padding-bottom: clamp(64px, 10vw, 120px);
  scroll-margin-top: 88px;
}

.page-privacy .crumbs {
  margin: clamp(20px, 4vw, 36px) 0 clamp(20px, 3vw, 32px);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-bottom: clamp(28px, 5vw, 48px);
  border-bottom: 1px solid var(--p-rule);
}

.page-privacy .privacy-hero__blade {
  position: absolute;
  top: -80px;
  right: -12%;
  width: min(560px, 68vw);
  height: 300px;
  background: linear-gradient(135deg, rgba(34, 224, 214, 0.22), rgba(122, 92, 255, 0.08) 58%, transparent 82%);
  clip-path: polygon(100% 0, 100% 100%, 0 0);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  padding-top: clamp(20px, 4vw, 40px);
}

.page-privacy .privacy-hero__title {
  margin: 14px 0 0;
  line-height: 1.02;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.page-privacy .privacy-hero__sub {
  font-family: var(--font-body);
  font-size: clamp(15px, 2.4vw, 20px);
  font-weight: 400;
  letter-spacing: 0.06em;
  color: var(--silver-500);
  text-transform: none;
}

.page-privacy .privacy-hero__lede {
  margin: clamp(20px, 3vw, 30px) 0 0;
  max-width: 620px;
  font-size: clamp(15px, 1.6vw, 17px);
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--p-ink);
}

.page-privacy .privacy-hero__facts {
  list-style: none;
  margin: clamp(24px, 4vw, 38px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
  grid-template-columns: repeat(auto-fit, minmax(170px, 1fr));
  max-width: 860px;
}

.page-privacy .privacy-hero__facts li {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px 16px;
  background: var(--p-card);
  border: 1px solid var(--p-rule);
  border-top: 2px solid var(--p-strip);
  backdrop-filter: blur(6px);
}

.page-privacy .privacy-hero__fact-k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--volt);
}

.page-privacy .privacy-hero__fact-v {
  font-size: 13px;
  line-height: 1.7;
  color: var(--p-ink);
}

.page-privacy .privacy-hero__strip {
  position: relative;
  margin: clamp(28px, 5vw, 52px) 0 0;
  height: clamp(150px, 24vw, 300px);
  overflow: hidden;
  border-top: 1px solid var(--p-rule);
  border-bottom: 1px solid var(--p-rule);
  background: linear-gradient(115deg, rgba(20, 24, 29, 0.9), rgba(10, 12, 15, 0.6));
}

.page-privacy .privacy-hero__strip::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 12, 15, 0.72) 4%, rgba(10, 12, 15, 0.06) 46%, rgba(34, 224, 214, 0.14) 100%);
  pointer-events: none;
}

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

/* ---------- 目录 + 正文 ---------- */
.page-privacy .privacy-body {
  margin-top: clamp(40px, 7vw, 80px);
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(32px, 5vw, 56px);
  align-items: start;
}

.page-privacy .privacy-toc {
  border-left: 1px solid var(--p-rule);
  padding-left: 16px;
}

.page-privacy .privacy-toc__title {
  margin: 0;
  color: var(--silver-500);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 10px;
}

.page-privacy .privacy-toc__link {
  display: flex;
  gap: 10px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--silver-500);
  text-decoration: none;
  transition: color 0.2s var(--ease);
}

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

.page-privacy .privacy-toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  color: rgba(34, 224, 214, 0.7);
  flex: none;
}

.page-privacy .privacy-doc {
  max-width: var(--p-read);
  min-width: 0;
}

.page-privacy .privacy-sec {
  scroll-margin-top: 100px;
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: clamp(56px, 8vw, 96px);
}

.page-privacy .privacy-sec .sec-head__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--volt);
}

.page-privacy .privacy-sec .sec-head__title {
  margin: 10px 0 0;
  line-height: 1.24;
  transition: color 0.25s var(--ease);
}

.page-privacy .privacy-sec:target .sec-head__title {
  color: var(--volt);
}

.page-privacy .privacy-sec p {
  margin: clamp(18px, 2.4vw, 24px) 0 0;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.85;
  letter-spacing: 0.01em;
  color: var(--p-ink);
}

.page-privacy .privacy-sec a {
  color: var(--volt);
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 214, 0.35);
  transition: border-color 0.2s var(--ease);
}

.page-privacy .privacy-sec a:hover,
.page-privacy .privacy-sec a:focus-visible {
  border-color: var(--volt);
}

.page-privacy .privacy-list {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 14px;
}

.page-privacy .privacy-list > li {
  padding: 15px 18px;
  background: var(--p-card);
  border-left: 2px solid var(--volt);
  font-size: clamp(14px, 1.45vw, 15px);
  line-height: 1.8;
  color: var(--p-ink);
}

.page-privacy .privacy-list > li strong {
  color: var(--silver-100);
  font-weight: 600;
}

.page-privacy .privacy-list--signal > li {
  border-left-color: var(--orange);
}

.page-privacy .privacy-def {
  margin-top: clamp(20px, 3vw, 26px);
  padding-top: 12px;
  border-top: 1px dashed rgba(140, 149, 157, 0.28);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--silver-500);
}

.page-privacy .privacy-contact {
  list-style: none;
  margin: clamp(20px, 3vw, 28px) 0 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-contact li {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 14px 16px;
  background: var(--p-card);
  border: 1px solid var(--p-rule);
}

.page-privacy .privacy-contact__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--orange);
}

.page-privacy .privacy-contact__v {
  font-size: 14px;
  line-height: 1.7;
  color: var(--silver-100);
  word-break: break-word;
}

/* ---------- 回到顶部 ---------- */
.page-privacy .privacy-top-btn {
  position: fixed;
  right: clamp(12px, 3vw, 28px);
  bottom: clamp(84px, 14vw, 108px);
  z-index: 20;
  display: inline-flex;
  align-items: center;
  padding: 10px 16px;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--silver-100);
  text-decoration: none;
  background: var(--glass-strong);
  border: 1px solid rgba(34, 224, 214, 0.42);
  border-radius: 999px;
  backdrop-filter: blur(8px);
  transition: border-color 0.2s var(--ease), color 0.2s var(--ease);
}

.page-privacy .privacy-top-btn:hover,
.page-privacy .privacy-top-btn:focus-visible {
  color: var(--volt);
  border-color: var(--volt);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-hero__title {
    max-width: 20ch;
  }

  .page-privacy .privacy-toc__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 12px 24px;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-body {
    grid-template-columns: 210px minmax(0, var(--p-read));
    gap: clamp(48px, 6vw, 96px);
  }

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

  .page-privacy .privacy-toc__list {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .page-privacy .privacy-top-btn {
    bottom: 32px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-sec .sec-head__title,
  .page-privacy .privacy-top-btn,
  .page-privacy .privacy-sec a {
    transition: none;
  }
}