.page-privacy {
  --pv-rail: 236px;
  --pv-glow: rgba(61, 245, 208, 0.14);
  --pv-line: rgba(30, 54, 64, 0.9);
  display: block;
}

/* 首屏框景 */
.page-privacy .pv-hero {
  position: relative;
  padding: clamp(18px, 3vw, 28px) 0 clamp(36px, 6vw, 64px);
  background:
    radial-gradient(120% 90% at 88% -10%, var(--pv-glow), transparent 62%),
    linear-gradient(180deg, var(--pitch-950) 0%, var(--night-950) 72%);
  border-bottom: var(--hair);
  overflow: hidden;
}

.page-privacy .pv-hero .breadcrumb {
  margin-bottom: clamp(20px, 3vw, 32px);
}

.page-privacy .pv-hero__grid {
  display: grid;
  gap: clamp(22px, 4vw, 36px);
  align-items: start;
}

.page-privacy .pv-hero__frame {
  position: relative;
  padding: clamp(18px, 3vw, 30px);
  border: var(--hair);
  border-radius: var(--radius-l);
  background: linear-gradient(160deg, rgba(16, 32, 41, 0.92), rgba(7, 23, 19, 0.7));
  isolation: isolate;
}

.page-privacy .pv-hero__frame::before,
.page-privacy .pv-hero__frame::after {
  content: "";
  position: absolute;
  width: 18px;
  height: 18px;
  pointer-events: none;
}

.page-privacy .pv-hero__frame::before {
  top: -1px;
  left: -1px;
  border-top: 2px solid var(--cyan-400);
  border-left: 2px solid var(--cyan-400);
  border-top-left-radius: var(--radius-l);
}

.page-privacy .pv-hero__frame::after {
  right: -1px;
  bottom: -1px;
  border-bottom: 2px solid var(--cyan-400);
  border-right: 2px solid var(--cyan-400);
  border-bottom-right-radius: var(--radius-l);
}

.page-privacy .pv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.page-privacy .pv-hero__meta-text {
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog-300);
}

.page-privacy .pv-hero h1 {
  font-family: var(--font-heading);
  font-weight: 700;
  font-size: clamp(30px, 6vw, 54px);
  line-height: 1.06;
  letter-spacing: 0.01em;
  margin: 0 0 16px;
  color: var(--mist-050);
}

.page-privacy .pv-hero .lead {
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.75;
  color: var(--fog-300);
  max-width: 46ch;
}

.page-privacy .pv-hero__points {
  list-style: none;
  margin: 0;
  padding: 16px 0 0;
  border-top: 1px dashed var(--slate-700);
  display: grid;
  gap: 10px;
}

.page-privacy .pv-hero__points li {
  display: flex;
  gap: 12px;
  align-items: baseline;
  font-size: 14px;
  line-height: 1.6;
  color: var(--mist-050);
}

.page-privacy .pv-hero__points .mono {
  font-size: 12px;
  color: var(--cyan-400);
  letter-spacing: 0.06em;
}

.page-privacy .pv-hero__figure {
  margin: 0;
  border-radius: var(--radius-l);
  overflow: hidden;
  border: var(--hair);
  background: var(--slate-850);
}

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

.page-privacy .pv-hero__figure .figure-frame__label {
  display: block;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--fog-300);
  border-top: var(--hair);
}

/* 主体：目录 + 条款流 */
.page-privacy .pv-body {
  padding: clamp(28px, 5vw, 56px) 0 clamp(32px, 5vw, 64px);
  background: var(--night-950);
}

.page-privacy .pv-layout {
  display: grid;
  gap: clamp(22px, 4vw, 44px);
  align-items: start;
}

.page-privacy .pv-rail {
  border: var(--hair);
  border-radius: var(--radius-m);
  background: var(--pitch-950);
  padding: 16px 14px 18px;
}

.page-privacy .pv-rail .eyebrow {
  margin: 0 0 12px 4px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

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

.page-privacy .pv-toc a {
  display: flex;
  gap: 10px;
  align-items: baseline;
  padding: 9px 10px;
  border-left: 2px solid transparent;
  border-radius: 0 var(--radius-s) var(--radius-s) 0;
  font-size: 13.5px;
  line-height: 1.5;
  color: var(--fog-300);
  text-decoration: none;
  transition: color 180ms var(--ease), border-color 180ms var(--ease), background-color 180ms var(--ease);
}

.page-privacy .pv-toc a:hover,
.page-privacy .pv-toc a:focus-visible {
  color: var(--mist-050);
  border-left-color: var(--cyan-400);
  background: rgba(11, 143, 125, 0.16);
}

.page-privacy .pv-toc a:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: 2px;
}

.page-privacy .pv-toc__no {
  flex: none;
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan-700);
}

.page-privacy .pv-toc a:hover .pv-toc__no {
  color: var(--cyan-400);
}

.page-privacy .pv-rail__foot {
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px dashed var(--slate-700);
  display: grid;
  gap: 8px;
}

.page-privacy .pv-rail__label {
  margin: 0 0 2px;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--fog-300);
}

.page-privacy .pv-rail__foot .link-arrow {
  font-size: 13.5px;
  color: var(--cyan-400);
  text-decoration: none;
}

.page-privacy .pv-rail__foot .link-arrow:hover {
  text-decoration: underline;
}

/* 条款流 */
.page-privacy .pv-flow {
  display: grid;
  gap: 14px;
  min-width: 0;
}

.page-privacy .pv-clause {
  border: var(--hair);
  border-radius: var(--radius-m);
  background: var(--slate-850);
  overflow: hidden;
  scroll-margin-top: 120px;
  transition: border-color 200ms var(--ease);
}

.page-privacy .pv-clause[open] {
  border-color: var(--slate-700);
  box-shadow: 0 12px 30px rgba(5, 11, 14, 0.55);
}

.page-privacy .pv-clause > summary {
  display: flex;
  gap: 14px;
  align-items: baseline;
  padding: 16px 18px;
  cursor: pointer;
  list-style: none;
  font-family: var(--font-heading);
  font-size: clamp(17px, 3.6vw, 22px);
  font-weight: 600;
  line-height: 1.3;
  color: var(--mist-050);
  transition: color 180ms var(--ease);
}

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

.page-privacy .pv-clause > summary::after {
  content: "+";
  margin-left: auto;
  flex: none;
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 600;
  color: var(--cyan-400);
  transition: transform 200ms var(--ease);
}

.page-privacy .pv-clause[open] > summary::after {
  content: "−";
}

.page-privacy .pv-clause > summary:focus-visible {
  outline: 2px solid var(--cyan-400);
  outline-offset: -2px;
}

.page-privacy .pv-clause .chapter-no {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan-700);
  padding-top: 4px;
}

.page-privacy .pv-clause[open] .chapter-no {
  color: var(--cyan-400);
}

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

.page-privacy .pv-clause__body {
  padding: 0 18px 20px;
  border-top: 1px dashed var(--slate-700);
  margin-top: 2px;
  padding-top: 16px;
  font-size: 15px;
  line-height: 1.78;
  color: var(--fog-300);
}

.page-privacy .pv-clause__body p {
  margin: 0 0 12px;
}

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

.page-privacy .pv-clause__body a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-privacy .pv-key {
  border-left: 2px solid var(--cyan-400);
  padding-left: 14px;
  color: var(--mist-050);
  font-weight: 500;
}

.page-privacy .pv-facts {
  margin: 4px 0 16px;
  padding: 0;
}

.page-privacy .pv-facts__row {
  display: grid;
  gap: 2px;
  padding: 10px 0;
  border-top: 1px dashed var(--pv-line);
}

.page-privacy .pv-facts__row:last-child {
  border-bottom: 1px dashed var(--pv-line);
}

.page-privacy .pv-facts dt {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

.page-privacy .pv-facts dd {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--mist-050);
}

.page-privacy .pv-top {
  margin: 6px 0 0;
  text-align: right;
}

.page-privacy .pv-top .link-arrow {
  font-size: 13px;
  color: var(--fog-300);
  text-decoration: none;
}

.page-privacy .pv-top .link-arrow:hover {
  color: var(--cyan-400);
}

/* 收束 */
.page-privacy .pv-next {
  padding: clamp(28px, 5vw, 56px) 0 clamp(40px, 6vw, 72px);
  background:
    radial-gradient(90% 120% at 10% 0%, rgba(255, 91, 46, 0.09), transparent 65%),
    var(--pitch-950);
  border-top: var(--hair);
}

.page-privacy .pv-next__inner {
  display: grid;
  gap: 20px;
  align-items: center;
  border: var(--hair);
  border-radius: var(--radius-l);
  padding: clamp(20px, 3vw, 32px);
  background: rgba(5, 11, 14, 0.5);
}

.page-privacy .pv-next .eyebrow {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--amber-300);
}

.page-privacy .pv-next__title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(22px, 4.4vw, 30px);
  font-weight: 700;
  line-height: 1.24;
  color: var(--mist-050);
}

.page-privacy .pv-next__links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

/* 断点 */
@media (min-width: 640px) {
  .page-privacy .pv-facts__row {
    grid-template-columns: 108px minmax(0, 1fr);
    gap: 14px;
    align-items: baseline;
  }
}

@media (min-width: 900px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 1.02fr) minmax(0, 0.98fr);
  }

  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail) minmax(0, 1fr);
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: 118px;
  }

  .page-privacy .pv-clause > summary {
    padding: 18px 22px;
  }

  .page-privacy .pv-clause__body {
    padding: 18px 22px 22px;
  }

  .page-privacy .pv-next__inner {
    grid-template-columns: minmax(0, 1fr) auto;
    gap: 28px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-toc a,
  .page-privacy .pv-clause,
  .page-privacy .pv-clause > summary::after {
    transition: none;
  }
}

@media print {
  .page-privacy .pv-rail,
  .page-privacy .pv-top,
  .page-privacy .pv-next {
    display: none;
  }

  .page-privacy .pv-hero,
  .page-privacy .pv-body {
    background: #fff;
  }

  .page-privacy .pv-hero h1,
  .page-privacy .pv-clause > summary,
  .page-privacy .pv-facts dd,
  .page-privacy .pv-key {
    color: #111;
  }

  .page-privacy .pv-clause,
  .page-privacy .pv-hero__frame {
    border-color: #b9c2c0;
    background: #fff;
    box-shadow: none;
    break-inside: avoid;
  }
}