.page-privacy {
  --privacy-line: rgba(37, 64, 107, 0.55);
  --privacy-cyan-line: rgba(47, 224, 206, 0.32);
  --privacy-measure: 66ch;
  --privacy-block-gap: 3.25rem;
  position: relative;
  padding-bottom: 3.5rem;
}

/* ---------- 顶部阅读进度 ---------- */
.page-privacy .privacy-progress {
  position: sticky;
  top: 0;
  z-index: 8;
  height: 3px;
  background: rgba(37, 64, 107, 0.35);
  overflow: hidden;
}

.page-privacy .privacy-progress__bar {
  display: block;
  width: 0;
  height: 100%;
  background: linear-gradient(90deg, var(--cyan), var(--amber));
  transition: width 0.12s linear;
}

/* ---------- 面包屑 ---------- */
.page-privacy .crumbs {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  padding-top: 1.25rem;
  font-size: 0.8125rem;
  color: var(--muted);
}

.page-privacy .crumbs a {
  color: var(--muted);
  text-decoration: none;
}

.page-privacy .crumbs a:hover,
.page-privacy .crumbs a:focus-visible {
  color: var(--cyan);
}

.page-privacy .crumbs__sep {
  color: var(--line);
}

.page-privacy .crumbs [aria-current="page"] {
  color: var(--text);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  display: grid;
  gap: 1.75rem;
  padding: 1.5rem 0 2.5rem;
  border-bottom: 1px solid var(--privacy-line);
}

.page-privacy .privacy-hero h1 {
  margin: 0.55rem 0 0.9rem;
  font-size: clamp(1.9rem, 1.35rem + 2.6vw, 2.75rem);
  font-weight: 700;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--text);
}

.page-privacy .privacy-hero .lede {
  margin: 0;
  max-width: var(--privacy-measure);
  font-size: 1.0625rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .privacy-hero__media {
  margin: 0;
  border: 1px solid var(--privacy-line);
  border-radius: var(--r-lg);
  overflow: hidden;
  background:
    radial-gradient(circle at 22% 18%, rgba(47, 224, 206, 0.16), transparent 55%),
    radial-gradient(circle at 82% 88%, rgba(242, 179, 61, 0.12), transparent 55%),
    var(--panel);
}

.page-privacy .privacy-hero__media img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
}

/* ---------- 双栏主体 ---------- */
.page-privacy .privacy-body {
  display: grid;
  gap: 2rem;
  padding: 2.25rem 0 0;
}

.page-privacy .privacy-toc__label {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  display: flex;
  gap: 0.5rem;
  margin: 0;
  padding: 0 0 0.35rem;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .privacy-toc__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  flex: 0 0 auto;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--privacy-line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 0.8125rem;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color 0.2s var(--ease), background-color 0.2s var(--ease), border-color 0.2s var(--ease);
}

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

.page-privacy .privacy-toc__idx {
  font-family: var(--font-mono);
  font-size: 0.6875rem;
  letter-spacing: 0.08em;
  color: var(--line);
}

.page-privacy .privacy-toc__link.is-current {
  color: var(--amber);
  border-color: rgba(242, 179, 61, 0.55);
  background: rgba(242, 179, 61, 0.08);
}

.page-privacy .privacy-toc__link.is-current .privacy-toc__idx {
  color: var(--amber);
}

/* ---------- 条款正文 ---------- */
.page-privacy .privacy-article {
  min-width: 0;
}

.page-privacy .privacy-block {
  scroll-margin-top: 4.5rem;
  padding-top: 1.5rem;
}

.page-privacy .privacy-block + .privacy-block {
  margin-top: var(--privacy-block-gap);
}

.page-privacy .privacy-block::before {
  content: "";
  display: block;
  width: 34px;
  height: 3px;
  border-radius: 2px;
  background: var(--amber);
  margin-bottom: 1.15rem;
}

.page-privacy .privacy-block h2 {
  margin: 0 0 1.4rem;
  padding-bottom: 0.85rem;
  font-size: clamp(1.3rem, 1.12rem + 0.9vw, 1.7rem);
  font-weight: 700;
  line-height: 1.3;
  color: var(--text);
  border-bottom: 1px solid var(--privacy-cyan-line);
}

.page-privacy .privacy-block p {
  margin: 0 0 1.4rem;
  max-width: var(--privacy-measure);
  font-size: 1.0625rem;
  line-height: 1.9;
  color: var(--text);
}

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

/* ---------- 条目式说明 ---------- */
.page-privacy .privacy-terms {
  margin: 1.5rem 0 0;
  padding: 0;
  border-top: 1px solid var(--privacy-line);
}

.page-privacy .privacy-terms > div {
  padding: 1.15rem 0;
  border-bottom: 1px solid var(--privacy-line);
}

.page-privacy .privacy-terms dt {
  margin: 0 0 0.55rem;
  font-size: 0.9375rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  color: var(--amber-soft);
}

.page-privacy .privacy-terms dd {
  margin: 0;
  max-width: var(--privacy-measure);
  font-size: 1.03125rem;
  line-height: 1.85;
  color: var(--text);
}

/* ---------- 来信入口 ---------- */
.page-privacy .privacy-contact {
  padding-top: 3rem;
  margin-top: 3.5rem;
  border-top: 1px solid var(--privacy-line);
}

.page-privacy .privacy-contact__card {
  display: grid;
  gap: 1.15rem;
  padding: 1.75rem 1.5rem;
  border: 1px solid var(--privacy-line);
  border-radius: var(--r-lg);
  background:
    radial-gradient(circle at 88% 12%, rgba(242, 179, 61, 0.14), transparent 55%),
    linear-gradient(180deg, var(--panel), var(--panel-2));
}

.page-privacy .privacy-contact__icon {
  color: var(--amber);
  flex: none;
}

.page-privacy .privacy-contact__card h2 {
  margin: 0 0 0.7rem;
  font-size: clamp(1.15rem, 1.05rem + 0.6vw, 1.4rem);
  font-weight: 700;
  line-height: 1.35;
  color: var(--text);
}

.page-privacy .privacy-contact__card p {
  margin: 0 0 0.9rem;
  max-width: 58ch;
  font-size: 0.9688rem;
  line-height: 1.85;
  color: var(--muted);
}

.page-privacy .privacy-contact__card p a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(47, 224, 206, 0.35);
}

.page-privacy .privacy-contact__card p a:hover,
.page-privacy .privacy-contact__card p a:focus-visible {
  border-bottom-color: var(--cyan);
}

.page-privacy .privacy-contact__card .privacy-contact__mail {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 0.9375rem;
  letter-spacing: 0.02em;
  color: var(--amber-soft);
  word-break: break-all;
}

/* ---------- 渐入 ---------- */
.page-privacy [data-reveal].is-visible {
  animation: privacy-fade 0.5s var(--ease) both;
}

@keyframes privacy-fade {
  from {
    opacity: 0;
    transform: translateY(12px);
  }
  to {
    opacity: 1;
    transform: none;
  }
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 720px) {
  .page-privacy .privacy-contact__card {
    grid-template-columns: auto minmax(0, 1fr);
    align-items: start;
    gap: 1.5rem;
    padding: 2.25rem 2.5rem;
  }
}

@media (min-width: 900px) {
  .page-privacy .privacy-hero {
    grid-template-columns: minmax(0, 1.05fr) minmax(0, 0.95fr);
    align-items: center;
    gap: 3rem;
    padding: 2rem 0 3.25rem;
  }

  .page-privacy .privacy-body {
    padding-top: 3.5rem;
  }
}

@media (min-width: 1024px) {
  .page-privacy .privacy-body {
    grid-template-columns: 215px minmax(0, 1fr);
    gap: 3.5rem;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 1.5rem;
    align-self: start;
  }

  .page-privacy .privacy-toc__list {
    flex-direction: column;
    gap: 0;
    padding-bottom: 0;
    overflow: visible;
    border-left: 1px solid var(--privacy-line);
  }

  .page-privacy .privacy-toc__link {
    border: 0;
    border-radius: 0;
    padding: 0.55rem 0.9rem;
    background: transparent;
    white-space: normal;
    font-size: 0.875rem;
  }

  .page-privacy .privacy-toc__link:hover,
  .page-privacy .privacy-toc__link:focus-visible {
    background: rgba(37, 64, 107, 0.35);
  }

  .page-privacy .privacy-toc__link.is-current {
    background: linear-gradient(90deg, rgba(242, 179, 61, 0.14), transparent);
    box-shadow: inset 2px 0 0 var(--amber);
  }

  .page-privacy .privacy-block {
    scroll-margin-top: 2.5rem;
  }
}

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

  .page-privacy [data-reveal].is-visible {
    animation: none;
  }

  .page-privacy .privacy-toc__link {
    transition: none;
  }
}