.page-privacy {
  --privacy-measure: 46rem;
  display: block;
}

/* ---------- 顶部阅读进度 ---------- */
.page-privacy .privacy-progress {
  position: fixed;
  inset-block-start: 0;
  inset-inline: 0;
  height: 3px;
  z-index: 80;
  background: rgba(201, 203, 218, .16);
  pointer-events: none;
}

.page-privacy .privacy-progress__fill {
  display: block;
  width: 100%;
  height: 100%;
  transform: scaleX(var(--tt-progress));
  transform-origin: 0 50%;
  background: linear-gradient(90deg, var(--tt-neon), var(--tt-gold));
  transition: transform .08s linear;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding-block: clamp(40px, 8vw, 84px) clamp(38px, 7vw, 72px);
  padding-inline: clamp(18px, 5vw, 44px);
  background-color: var(--tt-night);
  background-image:
    radial-gradient(620px 300px at 90% -18%, rgba(37, 224, 208, .22), transparent 68%),
    radial-gradient(540px 300px at 0% 112%, rgba(75, 46, 131, .62), transparent 72%);
  color: var(--tt-cream);
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset-inline-end: -70px;
  inset-block-end: -90px;
  width: 260px;
  height: 260px;
  border: 1px dashed rgba(201, 203, 218, .26);
  border-radius: 50%;
  pointer-events: none;
}

.page-privacy .privacy-hero .tt-crumbs {
  margin-bottom: 20px;
}

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

.page-privacy .privacy-hero__title {
  margin: 12px 0 0;
  font-family: var(--tt-font-display);
  font-weight: 900;
  font-size: clamp(30px, 6.4vw, 56px);
  line-height: 1.14;
  letter-spacing: -.01em;
  color: var(--tt-cream);
  text-shadow: 0 0 28px rgba(37, 224, 208, .22);
  max-width: 22ch;
}

.page-privacy .privacy-hero__lead {
  margin: 20px 0 0;
  max-width: 44ch;
  color: var(--tt-silver);
}

.page-privacy .privacy-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 26px 0 0;
  padding: 0;
  list-style: none;
}

/* ---------- 摘要区 ---------- */
.page-privacy .privacy-summary {
  padding-block: clamp(38px, 7vw, 74px);
  padding-inline: clamp(18px, 5vw, 44px);
  background: var(--tt-cream);
}

.page-privacy .privacy-summary__grid {
  display: grid;
  gap: 28px;
}

.page-privacy .privacy-summary h2 {
  margin: 10px 0 22px;
  font-family: var(--tt-font-display);
  font-size: clamp(23px, 3.6vw, 34px);
  line-height: 1.26;
  color: var(--tt-night);
}

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

.page-privacy .privacy-points li {
  display: grid;
  grid-template-columns: 44px minmax(0, 1fr);
  gap: 14px;
  align-items: start;
  padding: 16px 18px;
  background: #fff;
  border: 1px solid var(--tt-rule);
  border-radius: 20px 20px 6px 20px;
  box-shadow: 0 14px 28px -28px rgba(27, 19, 48, .9);
}

.page-privacy .privacy-points__no {
  font-family: var(--tt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 22px;
  font-weight: 700;
  line-height: 1.15;
  color: var(--tt-purple);
}

.page-privacy .privacy-points p {
  margin: 0;
  font-size: 16px;
  line-height: 1.76;
  color: var(--tt-stone);
}

.page-privacy .privacy-summary__art {
  margin: 0;
  aspect-ratio: 2 / 1;
}

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

/* ---------- 主体双栏 ---------- */
.page-privacy .privacy-main {
  padding-block: clamp(34px, 6vw, 72px) clamp(48px, 8vw, 96px);
  padding-inline: clamp(18px, 5vw, 44px);
  background: var(--tt-cream);
}

.page-privacy .privacy-layout {
  display: grid;
  gap: 30px;
}

.page-privacy .privacy-toc {
  padding: 20px 20px 22px;
  background: #fff;
  border: 1px solid var(--tt-rule);
  border-radius: 6px 22px 6px 22px;
  box-shadow: var(--tt-shadow);
}

.page-privacy .privacy-toc .tt-label {
  margin: 0;
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 14px 0 0;
  padding: 0;
  display: grid;
  gap: 2px;
}

.page-privacy .privacy-toc__list a {
  display: block;
  padding: 9px 10px;
  border-inline-start: 2px solid transparent;
  border-radius: 10px;
  color: var(--tt-stone);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.45;
  transition: background .2s var(--tt-ease), color .2s var(--tt-ease), border-color .2s var(--tt-ease);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  background: rgba(37, 224, 208, .12);
  border-inline-start-color: var(--tt-neon);
  color: var(--tt-purple);
}

.page-privacy .privacy-body {
  max-width: var(--privacy-measure);
}

/* ---------- 正文章节 ---------- */
.page-privacy .privacy-sec {
  position: relative;
  scroll-margin-top: 120px;
}

.page-privacy .privacy-sec + .privacy-sec {
  margin-top: clamp(34px, 5vw, 56px);
  padding-top: clamp(30px, 4.5vw, 46px);
}

.page-privacy .privacy-sec + .privacy-sec::before {
  content: "";
  position: absolute;
  inset-block-start: 0;
  inset-inline-start: 0;
  width: 104px;
  height: 2px;
  background: linear-gradient(90deg, var(--tt-neon), var(--tt-gold));
  transform: skewX(-36deg);
  transform-origin: left center;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .privacy-sec__no {
  flex: none;
  padding: 4px 8px;
  border: 1px solid currentColor;
  border-radius: 8px 8px 2px 8px;
  font-family: var(--tt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .08em;
  color: var(--tt-clay);
  line-height: 1.2;
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-family: var(--tt-font-display);
  font-size: clamp(21px, 3.2vw, 29px);
  line-height: 1.3;
  color: var(--tt-night);
}

.page-privacy .privacy-body p {
  margin: 0 0 14px;
  font-size: 17px;
  line-height: 1.8;
  color: var(--tt-stone);
}

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

.page-privacy .privacy-body a {
  color: var(--tt-purple);
  text-decoration-color: rgba(75, 46, 131, .35);
  text-underline-offset: 3px;
}

.page-privacy .privacy-body a:hover,
.page-privacy .privacy-body a:focus-visible {
  color: var(--tt-night);
  text-decoration-color: var(--tt-neon);
}

.page-privacy .privacy-body strong {
  color: var(--tt-night);
}

/* ---------- 信息分类卡 ---------- */
.page-privacy .privacy-cards {
  display: grid;
  gap: 14px;
  margin-top: 20px;
}

.page-privacy .privacy-card {
  padding: 18px;
  background: #fff;
  border: 1px solid var(--tt-rule);
  border-radius: 18px 18px 4px 18px;
  box-shadow: 0 16px 30px -28px rgba(27, 19, 48, .95);
  transition: transform .25s var(--tt-ease), box-shadow .25s var(--tt-ease);
}

.page-privacy .privacy-card:hover {
  transform: translateY(-3px) rotate(-.6deg);
  box-shadow: 0 22px 32px -24px rgba(27, 19, 48, .7);
}

.page-privacy .privacy-card__name {
  display: inline-block;
  margin-bottom: 8px;
  font-size: 15px;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--tt-purple);
}

.page-privacy .privacy-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.72;
  color: var(--tt-stone);
}

/* ---------- 菱形要点列表 ---------- */
.page-privacy .privacy-list {
  list-style: none;
  margin: 18px 0;
  padding: 0;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-list li {
  position: relative;
  padding-inline-start: 24px;
  font-size: 16px;
  line-height: 1.78;
  color: var(--tt-stone);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  inset-inline-start: 4px;
  inset-block-start: .66em;
  width: 10px;
  height: 10px;
  background: var(--tt-neon);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}

/* ---------- 折叠问答 ---------- */
.page-privacy details.tt-details {
  margin-top: 20px;
  padding: 4px 18px;
  background: #fff;
  border: 1px solid var(--tt-rule);
  border-radius: 16px 16px 4px 16px;
}

.page-privacy details.tt-details .tt-details__summary {
  cursor: pointer;
  padding: 12px 0;
  font-size: 16px;
  font-weight: 700;
  color: var(--tt-purple);
}

.page-privacy details.tt-details .tt-details__body {
  padding-bottom: 14px;
}

.page-privacy details.tt-details .tt-details__body p {
  font-size: 15.5px;
  line-height: 1.78;
}

/* ---------- 反馈渠道 ---------- */
.page-privacy .privacy-contact {
  margin-top: 24px;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-contact__item {
  display: grid;
  gap: 10px;
  justify-items: start;
  padding: 18px;
  background: var(--tt-night);
  border-radius: 4px 22px 4px 22px;
}

.page-privacy .privacy-contact__item .tt-label {
  margin: 0;
  color: var(--tt-gold);
}

.page-privacy .privacy-contact__value {
  font-family: var(--tt-font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 15px;
  line-height: 1.5;
  color: var(--tt-cream);
  word-break: break-all;
}

.page-privacy .privacy-contact__addr {
  margin-top: 16px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--tt-stone);
}

/* ---------- 动效 ---------- */
@keyframes privacy-rise {
  from {
    opacity: 0;
    transform: translateY(14px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

@media (prefers-reduced-motion: no-preference) {
  .page-privacy .privacy-hero__title,
  .page-privacy .privacy-hero__lead,
  .page-privacy .privacy-hero__meta {
    animation: privacy-rise .6s var(--tt-ease) both;
  }

  .page-privacy .privacy-hero__lead {
    animation-delay: .08s;
  }

  .page-privacy .privacy-hero__meta {
    animation-delay: .16s;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-progress__fill {
    transition: none;
  }

  .page-privacy .privacy-card,
  .page-privacy .privacy-toc__list a {
    transition: none;
  }

  .page-privacy .privacy-card:hover {
    transform: none;
  }
}

/* ---------- 窄屏 ---------- */
@media (max-width: 639px) {
  .page-privacy .privacy-points li {
    grid-template-columns: 1fr;
    gap: 6px;
  }

  .page-privacy .privacy-points__no {
    font-size: 18px;
  }

  .page-privacy .privacy-sec__head {
    gap: 10px;
  }
}

/* ---------- 中屏 ---------- */
@media (min-width: 700px) {
  .page-privacy .privacy-cards {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }

  .page-privacy .privacy-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

/* ---------- 桌面 ---------- */
@media (min-width: 960px) {
  .page-privacy .privacy-summary__grid {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, .95fr);
    gap: 52px;
    align-items: center;
  }
}

@media (min-width: 980px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: 60px;
    align-items: start;
  }

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