.page-privacy {
  --privacy-line: rgba(26, 36, 86, .14);
  --privacy-tint: #E7EDFC;
  --privacy-accent: #0E9C86;
  background: var(--ink-900);
  color: var(--paper);
}

/* ---------- 顶部深色区 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(24px, 4vw, 46px) 0 clamp(34px, 5vw, 68px);
  background:
    radial-gradient(110% 82% at 84% -12%, rgba(53, 224, 200, .18), transparent 62%),
    radial-gradient(88% 72% at 6% 112%, rgba(255, 122, 41, .13), transparent 58%),
    linear-gradient(180deg, var(--ink-800) 0%, var(--ink-900) 100%);
}
.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: repeating-linear-gradient(180deg, rgba(233, 238, 248, .05) 0 1px, transparent 1px 4px);
}
.page-privacy .privacy-hero > .shell {
  position: relative;
  z-index: 1;
}
.page-privacy .privacy-hero .eyebrow {
  margin: 1.4rem 0 .7rem;
  color: var(--cyan);
}
.page-privacy .privacy-hero .t-h1 {
  margin: 0 0 1rem;
  max-width: 22ch;
  padding-left: clamp(13px, 1.8vw, 20px);
  border-left: 5px solid var(--orange);
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.02em;
  line-height: 1.16;
  color: var(--paper);
}
.page-privacy .privacy-hero .lede {
  max-width: 62ch;
  margin: 0;
  font-size: clamp(1rem, .95rem + .3vw, 1.1rem);
  line-height: 1.8;
  color: var(--paper);
  opacity: .88;
}
.page-privacy .privacy-visual {
  margin: clamp(24px, 4vw, 44px) 0 0;
}
.page-privacy .privacy-visual .media__frame {
  border-radius: var(--radius);
  overflow: hidden;
}
.page-privacy .privacy-visual img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ---------- 纸白阅读区 ---------- */
.page-privacy .privacy-sheet {
  position: relative;
  background: var(--read);
  color: var(--read-ink);
  border-radius: clamp(22px, 3.6vw, 48px) clamp(22px, 3.6vw, 48px) 0 0;
  padding: clamp(34px, 5vw, 82px) 0 clamp(52px, 7vw, 100px);
}
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(26px, 4vw, 40px);
}

/* ---------- 锚点目录 ---------- */
.page-privacy .privacy-toc {
  align-self: start;
  padding: 18px 16px 16px;
  border: 1px solid var(--privacy-line);
  border-radius: var(--radius);
  background: rgba(255, 255, 255, .78);
}
.page-privacy .privacy-toc__title {
  margin: 0 0 .7em;
  font-family: var(--font-mono);
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--read-muted);
}
.page-privacy .privacy-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
  counter-reset: tocnav;
}
.page-privacy .privacy-toc a {
  display: flex;
  gap: 10px;
  padding: 7px 8px;
  border-radius: 7px;
  font-size: .9rem;
  line-height: 1.5;
  color: var(--read-ink);
  text-decoration: none;
  transition: background-color .16s var(--ease), color .16s var(--ease);
}
.page-privacy .privacy-toc a::before {
  content: counter(tocnav, decimal-leading-zero);
  counter-increment: tocnav;
  flex: none;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .78rem;
  line-height: 1.7;
  color: var(--privacy-accent);
}
.page-privacy .privacy-toc a:hover,
.page-privacy .privacy-toc a:focus-visible {
  background: var(--privacy-tint);
  color: var(--read-ink);
}
.page-privacy .privacy-top {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-top: 14px;
  padding: 8px 13px 8px 11px;
  border: 1px solid var(--privacy-line);
  border-radius: 999px;
  font-family: var(--font-mono);
  font-size: .78rem;
  letter-spacing: .04em;
  color: var(--read-ink);
  text-decoration: none;
  transition: border-color .16s var(--ease), color .16s var(--ease);
}
.page-privacy .privacy-top::before {
  content: "↑";
  color: var(--privacy-accent);
}
.page-privacy .privacy-top:hover,
.page-privacy .privacy-top:focus-visible {
  border-color: var(--privacy-accent);
  color: var(--privacy-accent);
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-doc {
  max-width: 46rem;
}
.page-privacy .privacy-sec {
  scroll-margin-top: calc(var(--head-offset) + 26px);
  padding: 6px 0;
}
.page-privacy .privacy-sec + .privacy-sec {
  margin-top: clamp(42px, 5.4vw, 72px);
}
.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding-bottom: 12px;
  margin: 0 0 22px;
  border-bottom: 1px solid var(--privacy-line);
  transition: border-color .2s var(--ease);
}
.page-privacy .privacy-sec__num {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .82rem;
  letter-spacing: .12em;
  color: var(--privacy-accent);
  transition: color .2s var(--ease);
}
.page-privacy .privacy-sec__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  letter-spacing: -.01em;
  line-height: 1.35;
  font-size: clamp(1.2rem, 1.06rem + 1.1vw, 1.7rem);
  color: var(--read-ink);
}
.page-privacy .privacy-sec:target .privacy-sec__head {
  border-bottom-color: var(--privacy-accent);
}
.page-privacy .privacy-sec:target .privacy-sec__num {
  color: var(--read-ink);
}
.page-privacy .privacy-sec > p {
  margin: 0 0 1.15em;
  font-size: 1rem;
  line-height: 1.85;
  color: var(--read-ink);
}
.page-privacy .privacy-sec > p:last-child {
  margin-bottom: 0;
}
.page-privacy .privacy-doc a {
  color: var(--privacy-accent);
  text-underline-offset: 3px;
}
.page-privacy .privacy-doc a:hover,
.page-privacy .privacy-doc a:focus-visible {
  color: #0B7A69;
}
.page-privacy .privacy-sec__sub {
  margin: 1.6em 0 .5em;
  font-family: var(--font-body);
  font-size: .95rem;
  font-weight: 700;
  letter-spacing: .02em;
  color: var(--read-ink);
}
.page-privacy .privacy-sec__sub::before {
  content: "";
  display: inline-block;
  width: 14px;
  height: 2px;
  margin-right: 9px;
  vertical-align: middle;
  background: var(--privacy-accent);
}

/* ---------- 浅色底纹条目 ---------- */
.page-privacy .privacy-notes {
  margin: 1.4rem 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}
.page-privacy .privacy-notes > li {
  padding: 16px 18px;
  border-radius: var(--radius-sm);
  background: var(--privacy-tint);
}
.page-privacy .privacy-notes > li p {
  margin: 0;
}
.page-privacy .privacy-notes__k {
  margin: 0 0 .4em !important;
  font-size: .98rem;
  font-weight: 700;
  color: var(--read-ink);
}
.page-privacy .privacy-notes__v {
  font-size: .94rem;
  line-height: 1.8;
  color: var(--read-muted);
}

/* ---------- 可展开说明 ---------- */
.page-privacy .privacy-more {
  margin: 1.6rem 0 0;
  border: 1px solid var(--privacy-line);
  border-radius: var(--radius-sm);
  background: #fff;
}
.page-privacy .privacy-more > summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 13px 16px;
  font-size: .95rem;
  font-weight: 600;
  color: var(--read-ink);
  cursor: pointer;
  list-style: none;
}
.page-privacy .privacy-more > summary::-webkit-details-marker {
  display: none;
}
.page-privacy .privacy-more > summary::after {
  content: "＋";
  flex: none;
  font-family: var(--font-mono);
  font-size: .95rem;
  color: var(--privacy-accent);
}
.page-privacy .privacy-more[open] > summary::after {
  content: "－";
}
.page-privacy .privacy-more__body {
  padding: 0 16px 16px;
}
.page-privacy .privacy-more__body p {
  margin: 0 0 .85em;
  font-size: .94rem;
  line-height: 1.82;
  color: var(--read-muted);
}
.page-privacy .privacy-more__body p:last-child {
  margin-bottom: 0;
}

/* ---------- 联系方式 ---------- */
.page-privacy .privacy-contact {
  margin: 1.5rem 0 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 12px;
}
.page-privacy .privacy-contact > div {
  padding: 14px 16px;
  border-radius: var(--radius-sm);
  background: var(--privacy-tint);
}
.page-privacy .privacy-contact dt {
  margin: 0 0 .35em;
  font-size: .78rem;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--read-muted);
}
.page-privacy .privacy-contact dd {
  margin: 0;
  font-size: .96rem;
  line-height: 1.6;
  color: var(--read-ink);
  overflow-wrap: anywhere;
}
.page-privacy .privacy-contact__mono {
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: .92rem !important;
}
.page-privacy .privacy-sec > p.privacy-hint {
  margin-top: 1.4rem;
  padding: 14px 16px;
  border-left: 3px solid var(--orange);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
  background: #fff;
  font-size: .9rem;
  line-height: 1.78;
  color: var(--read-muted);
}

/* ---------- 响应式 ---------- */
@media (max-width: 479px) {
  .page-privacy .privacy-toc ol {
    grid-template-columns: minmax(0, 1fr);
  }
  .page-privacy .privacy-hero .t-h1 {
    border-left-width: 4px;
  }
}
@media (min-width: 480px) and (max-width: 999px) {
  .page-privacy .privacy-toc ol {
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: 2px 14px;
  }
}
@media (min-width: 560px) {
  .page-privacy .privacy-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1000px) {
  .page-privacy .privacy-layout {
    grid-template-columns: minmax(0, 1fr) 254px;
    gap: clamp(40px, 5vw, 76px);
  }
  .page-privacy .privacy-doc {
    grid-column: 1;
    grid-row: 1;
  }
  .page-privacy .privacy-toc {
    grid-column: 2;
    grid-row: 1;
    position: sticky;
    top: calc(var(--head-offset) + 24px);
  }
}
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-toc a,
  .page-privacy .privacy-top,
  .page-privacy .privacy-sec__head,
  .page-privacy .privacy-sec__num {
    transition: none;
  }
}