.page-privacy {
  background: var(--c-base);
  color: var(--c-text);
  font-family: var(--font-body);
  font-size: var(--fs-body);
  line-height: 1.85;
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(1.5rem, 4vw, 3rem) 0 clamp(2rem, 4.5vw, 3.75rem);
  border-bottom: 1px solid var(--c-line);
  background:
    linear-gradient(118deg, rgba(53, 240, 208, 0.08), transparent 46%),
    linear-gradient(180deg, var(--c-panel), var(--c-base));
}

.page-privacy .pv-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  opacity: 0.5;
  background-image: repeating-linear-gradient(
    90deg,
    rgba(39, 65, 95, 0.55) 0 1px,
    transparent 1px 72px
  );
  -webkit-mask-image: linear-gradient(180deg, #000, transparent 88%);
  mask-image: linear-gradient(180deg, #000, transparent 88%);
}

.page-privacy .pv-hero__grid {
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.5rem, 3.5vw, 3rem);
  align-items: end;
}

.page-privacy .pv-hero__lede .breadcrumb {
  margin-bottom: 1.15rem;
}

.page-privacy h1 {
  margin: 0.55rem 0 1rem;
  font-family: var(--font-display);
  font-size: clamp(1.9rem, 6vw, 3.35rem);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--c-text);
}

.page-privacy .pv-hero__lede .lede {
  max-width: 48ch;
  margin: 0;
  font-size: clamp(0.98rem, 1.6vw, 1.1rem);
  line-height: 1.8;
  color: var(--c-muted);
}

.page-privacy .pv-hero__media {
  margin: 0;
  border: 1px solid var(--c-line);
  background: var(--c-panel-2);
  box-shadow: 0 18px 40px -28px rgba(0, 0, 0, 0.9);
}

.page-privacy .pv-hero__media img {
  display: block;
  width: 100%;
  height: auto;
  max-width: 100%;
  object-fit: cover;
  filter: saturate(0.7) contrast(1.06) brightness(0.85);
}

/* ---------- 主体分栏 ---------- */
.page-privacy .pv-body {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(1.75rem, 3.5vw, 3.5rem);
  padding-block: clamp(2rem, 5vw, 4.25rem) clamp(3rem, 6vw, 5rem);
}

/* ---------- 条款目录 ---------- */
.page-privacy .pv-index {
  align-self: start;
  padding: 1.05rem 1.1rem 1.2rem;
  background: var(--c-panel);
  border: 1px solid var(--c-line);
  border-top: 2px solid var(--c-cyan);
}

.page-privacy .pv-index__title {
  margin: 0 0 0.85rem;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  letter-spacing: 0.24em;
  text-transform: uppercase;
  color: var(--c-muted);
}

.page-privacy .pv-index__list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 0.1rem;
}

.page-privacy .pv-index__list a {
  display: flex;
  align-items: baseline;
  gap: 0.65rem;
  padding: 0.36rem 0.45rem;
  font-size: 0.94rem;
  line-height: 1.6;
  color: var(--c-text);
  text-decoration: none;
  border-left: 2px solid transparent;
  transition: color 180ms var(--ease), border-color 180ms var(--ease),
    background-color 180ms var(--ease);
}

.page-privacy .pv-index__list a:hover,
.page-privacy .pv-index__list a:focus-visible {
  color: var(--c-cyan);
  border-left-color: var(--c-cyan);
  background: rgba(53, 240, 208, 0.07);
  outline: none;
}

.page-privacy .pv-index__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.76rem;
  letter-spacing: 0.12em;
  color: var(--c-orange);
}

.page-privacy .pv-top {
  display: inline-block;
  margin-top: 1.1rem;
  padding-bottom: 2px;
  font-family: var(--font-mono);
  font-size: 0.75rem;
  letter-spacing: 0.14em;
  color: var(--c-muted);
  text-decoration: none;
  border-bottom: 1px dashed var(--c-line);
  transition: color 180ms var(--ease), border-color 180ms var(--ease);
}

.page-privacy .pv-top:hover,
.page-privacy .pv-top:focus-visible {
  color: var(--c-cyan);
  border-bottom-color: var(--c-cyan);
  outline: none;
}

/* ---------- 条款 ---------- */
.page-privacy .pv-clauses {
  min-width: 0;
}

.page-privacy .pv-clause {
  position: relative;
  padding: clamp(1.5rem, 3.5vw, 2.6rem) 0;
  border-top: 1px solid var(--c-line);
}

.page-privacy .pv-clause:first-child {
  border-top: 0;
  padding-top: 0;
}

.page-privacy .pv-clause:last-child {
  padding-bottom: 0;
}

.page-privacy .pv-clause__head {
  display: flex;
  align-items: center;
  gap: 0.8rem;
  margin: 0 0 1rem;
}

.page-privacy .pv-clause__num {
  flex: none;
  font-family: var(--font-mono);
  font-size: 0.8rem;
  letter-spacing: 0.2em;
  color: var(--c-orange);
}

.page-privacy .pv-clause__head h2 {
  flex: none;
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(1.3rem, 3vw, 1.8rem);
  font-weight: 700;
  line-height: 1.25;
  letter-spacing: 0.01em;
  color: var(--c-text);
}

.page-privacy .pv-clause__head::after {
  content: "";
  flex: 1 1 auto;
  min-width: 1.5rem;
  height: 1px;
  background: linear-gradient(90deg, var(--c-line), transparent);
}

.page-privacy .pv-clause__body {
  min-width: 0;
}

.page-privacy .pv-clause__body > p {
  max-width: 66ch;
  margin: 0 0 0.9rem;
  color: var(--c-text);
}

.page-privacy .pv-clause__body > p:last-child {
  margin-bottom: 0;
}

/* 要点列表 */
.page-privacy .pv-points {
  list-style: none;
  margin: 0.4rem 0 1rem;
  padding: 0;
  display: grid;
  gap: 0.55rem;
}

.page-privacy .pv-points li {
  position: relative;
  max-width: 66ch;
  padding-left: 1.2rem;
  color: var(--c-text);
}

.page-privacy .pv-points li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 0.5rem;
  height: 2px;
  background: var(--c-cyan);
}

.page-privacy .pv-points strong {
  color: var(--c-cyan);
  font-weight: 600;
}

/* 折叠说明 */
.page-privacy .pv-fold {
  margin: 0.4rem 0 0;
  padding: 0.15rem 0 0.15rem 1rem;
  border-left: 2px solid var(--c-blue);
}

.page-privacy .pv-fold > summary {
  display: flex;
  align-items: center;
  gap: 0.55rem;
  padding: 0.25rem 0;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 0.77rem;
  letter-spacing: 0.12em;
  color: var(--c-amber);
  transition: color 180ms var(--ease);
}

.page-privacy .pv-fold > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .pv-fold > summary::before {
  content: "+";
  flex: none;
  font-size: 1rem;
  line-height: 1;
  color: var(--c-cyan);
  transition: transform 200ms var(--ease);
}

.page-privacy .pv-fold[open] > summary::before {
  transform: rotate(45deg);
}

.page-privacy .pv-fold > summary:hover,
.page-privacy .pv-fold > summary:focus-visible {
  color: var(--c-text);
  outline: none;
}

.page-privacy .pv-fold__body {
  padding: 0.4rem 0 0.5rem;
}

.page-privacy .pv-fold__body p {
  max-width: 64ch;
  margin: 0;
  font-size: 0.95rem;
  line-height: 1.8;
  color: var(--c-muted);
}

/* 用途矩阵 */
.page-privacy .pv-uses {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 1px;
  margin-top: 0.6rem;
  background: var(--c-line);
  border: 1px solid var(--c-line);
}

.page-privacy .pv-use {
  padding: 1rem 1.1rem 1.15rem;
  background: var(--c-panel);
}

.page-privacy .pv-use__k {
  display: block;
  margin-bottom: 0.4rem;
  font-family: var(--font-mono);
  font-size: 0.73rem;
  letter-spacing: 0.18em;
  color: var(--c-cyan);
}

.page-privacy .pv-use p {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.7;
  color: var(--c-muted);
}

/* 权利清单 */
.page-privacy .pv-rights {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 0.75rem;
  margin: 0.6rem 0 0;
}

.page-privacy .pv-rights > div {
  padding: 0.85rem 1rem 0.95rem;
  background: var(--c-panel);
  border-left: 2px solid var(--c-cyan);
}

.page-privacy .pv-rights dt {
  margin-bottom: 0.3rem;
  font-family: var(--font-mono);
  font-size: 0.77rem;
  letter-spacing: 0.16em;
  color: var(--c-amber);
}

.page-privacy .pv-rights dd {
  margin: 0;
  font-size: 0.94rem;
  line-height: 1.75;
  color: var(--c-muted);
}

/* 正文内链接 */
.page-privacy .link {
  color: var(--c-cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(53, 240, 208, 0.4);
  transition: border-color 180ms var(--ease), color 180ms var(--ease);
}

.page-privacy .link:hover,
.page-privacy .link:focus-visible {
  color: var(--c-text);
  border-bottom-color: var(--c-text);
  outline: none;
}

/* ---------- 桌面栅格 ---------- */
@media (min-width: 720px) {
  .page-privacy .pv-uses {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

  .page-privacy .pv-hero__media img {
    aspect-ratio: 16 / 9;
  }
}

@media (min-width: 960px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 7fr) minmax(0, 5fr);
  }

  .page-privacy .pv-hero__media {
    align-self: end;
  }
}

@media (min-width: 1080px) {
  .page-privacy .pv-body {
    grid-template-columns: minmax(0, 260px) minmax(0, 1fr);
    align-items: start;
  }

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

  .page-privacy .pv-uses {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (min-width: 1320px) {
  .page-privacy .pv-clause__body {
    padding-right: clamp(0rem, 4vw, 4.5rem);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-index__list a,
  .page-privacy .pv-top,
  .page-privacy .pv-fold > summary,
  .page-privacy .pv-fold > summary::before,
  .page-privacy .link {
    transition: none;
  }
}