.page-privacy {
  --pv-line: rgba(203, 213, 225, .14);
  --pv-line-cyan: rgba(34, 211, 238, .3);
  --pv-radius: 28px;
  display: block;
  padding-bottom: clamp(3rem, 7vw, 6rem);
}

/* ---------- 面包屑 ---------- */
.page-privacy .breadcrumbs {
  padding-top: clamp(1.25rem, 3vw, 2rem);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  margin-top: clamp(1rem, 2.5vw, 1.75rem);
  padding: clamp(2.5rem, 7vw, 5rem) 0 clamp(2rem, 5vw, 3.5rem);
  overflow: hidden;
}

.page-privacy .privacy-hero__frame {
  position: absolute;
  inset: 0;
  z-index: 0;
  border-top: 1px solid var(--pv-line-cyan);
  border-bottom: 1px solid var(--pv-line);
  background: linear-gradient(150deg, rgba(34, 211, 238, .09), rgba(11, 18, 32, 0) 55%);
}

.page-privacy .privacy-hero__img {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
  opacity: .22;
}

.page-privacy .privacy-hero__grid {
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(90deg, var(--pv-line) 0 1px, transparent 1px 96px),
    repeating-linear-gradient(0deg, var(--pv-line) 0 1px, transparent 1px 96px);
  mask-image: linear-gradient(120deg, rgba(0, 0, 0, .85), transparent 78%);
  -webkit-mask-image: linear-gradient(120deg, rgba(0, 0, 0, .85), transparent 78%);
  pointer-events: none;
}

.page-privacy .privacy-hero__inner {
  position: relative;
  z-index: 1;
  display: grid;
  gap: 1.15rem;
  max-width: 62rem;
}

.page-privacy .privacy-hero h1 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(2rem, 6vw, 3.6rem);
  line-height: 1.12;
  letter-spacing: -.02em;
  color: var(--paper);
}

.page-privacy .privacy-hero__lead {
  margin: 0;
  max-width: 46rem;
  font-size: clamp(1rem, 1.6vw, 1.075rem);
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .privacy-hero__facts {
  list-style: none;
  margin: .5rem 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: .6rem;
}

.page-privacy .privacy-hero__facts .chip {
  display: inline-flex;
  align-items: center;
  gap: .35rem;
}

/* ---------- 折叠速览 ---------- */
.page-privacy .privacy-summary {
  margin-top: clamp(1.5rem, 4vw, 2.5rem);
}

.page-privacy .privacy-summary__list {
  list-style: none;
  margin: .85rem 0 0;
  padding: 0;
  display: grid;
  gap: .55rem;
}

.page-privacy .privacy-summary__list li {
  display: grid;
  grid-template-columns: 1.6rem 1fr;
  gap: .6rem;
  align-items: start;
  color: var(--mist);
  line-height: 1.75;
}

.page-privacy .privacy-summary__list .mono {
  color: var(--cyan);
  font-weight: 700;
}

/* ---------- 主体布局 ---------- */
.page-privacy .privacy-layout {
  margin-top: clamp(2rem, 5vw, 3.5rem);
  display: grid;
  grid-template-columns: 1fr;
  gap: 2rem;
}

/* ---------- 侧边目录 ---------- */
.page-privacy .privacy-toc {
  border: 1px solid var(--pv-line);
  border-radius: var(--radius-l);
  background: rgba(31, 41, 55, .5);
  padding: 1.15rem 1.15rem 1.25rem;
}

.page-privacy .privacy-toc__title {
  margin: 0 0 .85rem;
  font-size: .75rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--cyan);
}

.page-privacy .privacy-toc__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .15rem;
}

.page-privacy .privacy-toc__list a {
  display: grid;
  grid-template-columns: 2.1rem 1fr;
  align-items: center;
  padding: .5rem .55rem;
  border-radius: var(--radius-pill);
  color: var(--mist);
  text-decoration: none;
  font-size: .95rem;
  transition: background .2s var(--ease), color .2s var(--ease);
}

.page-privacy .privacy-toc__list a:hover,
.page-privacy .privacy-toc__list a:focus-visible {
  background: rgba(34, 211, 238, .12);
  color: var(--paper);
}

.page-privacy .privacy-toc__idx {
  font-size: .8rem;
  color: var(--blue);
  font-weight: 700;
}

.page-privacy .privacy-toc__foot {
  margin: 1rem 0 0;
  padding-top: .9rem;
  border-top: 1px dashed var(--pv-line);
  font-size: .875rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-privacy .privacy-toc__foot a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pv-line-cyan);
}

/* ---------- 长文正文 ---------- */
.page-privacy .privacy-article {
  max-width: 44rem;
  display: grid;
  gap: clamp(2.25rem, 5vw, 3.5rem);
}

.page-privacy .privacy-sec {
  padding-top: clamp(1.5rem, 3vw, 2rem);
  border-top: 1px solid var(--pv-line);
}

.page-privacy .privacy-sec:first-child {
  padding-top: 0;
  border-top: none;
}

.page-privacy .privacy-sec__head {
  display: flex;
  align-items: baseline;
  gap: .85rem;
  margin-bottom: 1rem;
}

.page-privacy .privacy-sec__num {
  font-size: clamp(1.4rem, 3vw, 1.9rem);
  font-weight: 700;
  line-height: 1;
  color: var(--cyan);
  opacity: .85;
}

.page-privacy .privacy-sec h2 {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(1.4rem, 3.2vw, 1.95rem);
  letter-spacing: -.01em;
  color: var(--paper);
}

.page-privacy .privacy-sec p {
  margin: 0 0 1rem;
  color: var(--mist);
  line-height: 1.85;
}

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

.page-privacy .privacy-sec a {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid var(--pv-line-cyan);
}

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

/* 信息块列表 */
.page-privacy .privacy-blocks {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: .85rem;
}

.page-privacy .privacy-block {
  position: relative;
  padding: 1.1rem 1.15rem 1.15rem 1.4rem;
  border-radius: var(--radius-m);
  background: rgba(31, 41, 55, .55);
  border: 1px solid var(--pv-line);
}

.page-privacy .privacy-block::before {
  content: "";
  position: absolute;
  left: .55rem;
  top: 1.35rem;
  bottom: 1.35rem;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--cyan), rgba(34, 211, 238, 0));
}

.page-privacy .privacy-block h3 {
  margin: 0 0 .45rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .privacy-block p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--mist);
}

/* 使用方式：暖冷对照卡 */
.page-privacy .privacy-usage {
  display: grid;
  gap: .85rem;
  margin-top: 1.15rem;
}

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

.page-privacy .privacy-usage__tag {
  margin: 0 0 .4rem;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
}

.page-privacy .privacy-usage__item h3 {
  margin: 0 0 .45rem;
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .privacy-usage__item p:last-child {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--mist);
}

/* 安全措施 */
.page-privacy .privacy-checks {
  list-style: none;
  margin: 1.15rem 0 0;
  padding: 0;
  display: grid;
  gap: 1rem;
}

.page-privacy .privacy-checks li {
  display: grid;
  grid-template-columns: 1.1rem 1fr;
  gap: .75rem;
  align-items: start;
}

.page-privacy .privacy-checks__dot {
  margin-top: .55rem;
  width: .6rem;
  height: .6rem;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 0 4px rgba(52, 211, 153, .16);
}

.page-privacy .privacy-checks h3 {
  margin: 0 0 .35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .privacy-checks p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--mist);
}

/* 用户权利：编号纵列 */
.page-privacy .privacy-rights {
  list-style: none;
  counter-reset: pv-right;
  margin: 1.15rem 0 0;
  padding: 0;
  display: grid;
  gap: .9rem;
}

.page-privacy .privacy-rights li {
  counter-increment: pv-right;
  position: relative;
  padding: .95rem 1.1rem .95rem 3.2rem;
  border: 1px solid var(--pv-line);
  border-radius: var(--radius-m);
  background: rgba(17, 24, 39, .45);
}

.page-privacy .privacy-rights li::before {
  content: counter(pv-right, decimal-leading-zero);
  position: absolute;
  left: 1rem;
  top: .95rem;
  font-family: var(--font-mono);
  font-size: .9rem;
  font-weight: 700;
  color: var(--orange);
}

.page-privacy .privacy-rights h3 {
  margin: 0 0 .35rem;
  font-size: 1rem;
  font-weight: 700;
  color: var(--paper);
}

.page-privacy .privacy-rights p {
  margin: 0;
  font-size: .95rem;
  line-height: 1.8;
  color: var(--mist);
}

/* 联系卡 */
.page-privacy .privacy-contact {
  margin: 1.25rem 0 1.5rem;
}

.page-privacy .privacy-contact__label {
  margin: 0 0 .55rem;
  font-size: .72rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--amber);
}

.page-privacy .privacy-contact__mail {
  margin: 0 0 .6rem;
  font-size: 1.1rem;
  font-weight: 700;
  word-break: break-all;
}

.page-privacy .privacy-contact__mail a {
  color: var(--paper);
  text-decoration: none;
  border-bottom: 1px solid rgba(251, 146, 60, .55);
}

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

.page-privacy .privacy-contact__meta {
  margin: 0 0 .3rem;
  font-size: .9rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-privacy .privacy-contact__note {
  margin: .7rem 0 0;
  padding-top: .7rem;
  border-top: 1px dashed rgba(251, 146, 60, .3);
  font-size: .85rem;
  line-height: 1.75;
  color: var(--mist);
}

.page-privacy .privacy-tail {
  margin: 0;
  font-size: .95rem;
}

/* ---------- 响应式 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-usage {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 960px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 236px minmax(0, 1fr);
    gap: clamp(2.5rem, 5vw, 4.5rem);
    align-items: start;
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: calc(var(--topbar-h) + 2rem);
  }

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

@media (max-width: 639px) {
  .page-privacy .privacy-hero__grid {
    mask-image: linear-gradient(160deg, rgba(0, 0, 0, .7), transparent 82%);
    -webkit-mask-image: linear-gradient(160deg, rgba(0, 0, 0, .7), transparent 82%);
  }

  .page-privacy .privacy-sec__head {
    flex-direction: column;
    gap: .35rem;
  }

  .page-privacy .privacy-toc__list a {
    grid-template-columns: 1.8rem 1fr;
    font-size: .9rem;
  }
}

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