.page-privacy {
  --privacy-rail-w: 240px;
  --privacy-gap: clamp(28px, 5vw, 72px);
  --privacy-measure: 640px;
  background: var(--ink-900);
  color: var(--text-body);
}

/* ---------- 阅读进度条 ---------- */
.page-privacy .privacy-progress {
  position: fixed;
  inset: var(--header-h) 0 auto 0;
  height: 3px;
  z-index: 6;
  background: rgba(63, 224, 207, 0.12);
  pointer-events: none;
}

.page-privacy .privacy-progress__bar {
  display: block;
  height: 100%;
  transform: scaleX(0);
  transform-origin: left center;
  background: linear-gradient(90deg, var(--cyan-400), var(--orange-500));
  animation: privacy-read linear both;
  animation-timeline: scroll();
}

@keyframes privacy-read {
  from { transform: scaleX(0); }
  to { transform: scaleX(1); }
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  padding: 28px 0 48px;
  overflow: hidden;
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background:
    radial-gradient(520px 300px at 88% 8%, rgba(63, 224, 207, 0.10), transparent 72%),
    radial-gradient(420px 260px at 6% 92%, rgba(255, 138, 61, 0.08), transparent 72%);
  pointer-events: none;
}

.page-privacy .breadcrumb {
  position: relative;
  margin: 0 0 24px;
  font-size: 13px;
}

.page-privacy .breadcrumb__list {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--slate-300);
}

.page-privacy .breadcrumb__list li + li::before {
  content: "→";
  margin-right: 8px;
  color: var(--teal-700);
}

.page-privacy .breadcrumb__list a {
  color: var(--cyan-400);
  text-decoration: none;
}

.page-privacy .breadcrumb__list a:hover {
  color: var(--orange-500);
}

.page-privacy .privacy-hero__grid {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 30px;
  align-items: center;
}

.page-privacy .privacy-kicker {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  color: var(--amber-400);
}

.page-privacy h1 {
  margin: 0 0 20px;
  font-family: var(--font-display);
  font-size: clamp(30px, 7vw, 58px);
  font-weight: 700;
  line-height: 1.1;
  letter-spacing: -0.01em;
  color: var(--paper-100);
}

.page-privacy .lede {
  max-width: 42ch;
  margin: 0 0 18px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--slate-300);
}

.page-privacy .privacy-hero__meta {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--teal-700);
  border-left: 2px solid var(--mint-300);
  padding-left: 12px;
}

.page-privacy .privacy-hero__figure {
  position: relative;
  margin: 0;
  border-radius: var(--radius-lg);
  border: 1px solid rgba(63, 224, 207, 0.26);
  background: var(--ink-700);
  overflow: hidden;
}

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

.page-privacy .privacy-hero__caption {
  position: absolute;
  right: 14px;
  bottom: 12px;
  padding: 5px 12px;
  border-radius: var(--radius-pill);
  background: rgba(10, 22, 38, 0.82);
  border: 1px solid rgba(63, 224, 207, 0.35);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--cyan-400);
}

/* ---------- 正文双栏 ---------- */
.page-privacy .privacy-body {
  padding: 4px 0 96px;
}

.page-privacy .privacy-body__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: 32px;
  align-items: start;
}

/* 目录轨道 */
.page-privacy .privacy-rail {
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid rgba(154, 174, 194, 0.18);
  padding: 18px 18px 20px;
}

.page-privacy .privacy-rail__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-400);
}

.page-privacy .privacy-rail__list {
  display: grid;
  grid-auto-flow: column;
  grid-auto-columns: minmax(190px, 1fr);
  gap: 6px;
  margin: 0;
  padding: 0 0 8px;
  list-style: none;
  overflow-x: auto;
  overscroll-behavior-x: contain;
  scroll-snap-type: x proximity;
}

.page-privacy .privacy-rail__list li {
  scroll-snap-align: start;
}

.page-privacy .privacy-rail__list a {
  display: block;
  padding: 10px 12px;
  border-top: 2px solid transparent;
  border-radius: var(--radius-sm);
  font-size: 14px;
  line-height: 1.5;
  color: var(--slate-300);
  text-decoration: none;
  transition: color 0.18s ease, background-color 0.18s ease, border-color 0.18s ease;
}

.page-privacy .privacy-rail__list a:hover,
.page-privacy .privacy-rail__list a:focus-visible {
  color: var(--paper-100);
  background: rgba(63, 224, 207, 0.09);
  border-top-color: var(--cyan-400);
}

.page-privacy .privacy-rail__num {
  display: block;
  margin-bottom: 3px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--mint-300);
}

.page-privacy .privacy-rail__note {
  margin: 12px 0 0;
  font-size: 12px;
  line-height: 1.7;
  color: var(--slate-300);
}

/* 正文 */
.page-privacy .privacy-content {
  max-width: var(--privacy-measure);
}

.page-privacy .clause {
  scroll-margin-top: calc(var(--header-h) + 24px);
  padding-bottom: 34px;
  margin-bottom: 34px;
  border-bottom: 1px dashed rgba(154, 174, 194, 0.22);
}

.page-privacy .clause:last-of-type {
  border-bottom: none;
  margin-bottom: 0;
  padding-bottom: 0;
}

.page-privacy .clause:target .clause__title {
  color: var(--cyan-400);
}

.page-privacy .clause__title {
  display: flex;
  flex-wrap: wrap;
  align-items: baseline;
  gap: 12px;
  margin: 0 0 18px;
  font-family: var(--font-body);
  font-size: clamp(20px, 3.2vw, 27px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--paper-100);
  transition: color 0.2s ease;
}

.page-privacy .clause__num {
  flex: none;
  padding: 3px 11px;
  border-radius: var(--radius-pill);
  border: 1px solid rgba(63, 224, 207, 0.35);
  background: rgba(63, 224, 207, 0.08);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--cyan-400);
}

.page-privacy .clause p {
  margin: 0 0 16px;
  font-size: 16px;
  line-height: 1.9;
  color: var(--text-body);
}

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

.page-privacy .clause strong {
  color: var(--paper-100);
  font-weight: 700;
}

.page-privacy .clause ul {
  display: grid;
  gap: 11px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .clause ul li {
  position: relative;
  padding-left: 24px;
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-body);
}

.page-privacy .clause ul li::before {
  content: "";
  position: absolute;
  left: 2px;
  top: 0.78em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  border: 2px solid var(--cyan-400);
  background: var(--ink-900);
  transform: translateY(-50%);
}

.page-privacy .clause ol {
  counter-reset: priv-step;
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
}

.page-privacy .clause ol li {
  position: relative;
  padding: 13px 18px 13px 52px;
  border-radius: var(--radius-sm);
  background: var(--ink-700);
  border: 1px solid rgba(154, 174, 194, 0.16);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-body);
  padding-left: 52px;
}

.page-privacy .clause ol li::before {
  counter-increment: priv-step;
  content: counter(priv-step, decimal-leading-zero);
  position: absolute;
  left: 16px;
  top: 13px;
  width: auto;
  height: auto;
  border: none;
  border-radius: 0;
  background: none;
  transform: none;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--orange-500);
}

.page-privacy .clause__key {
  padding: 15px 20px;
  margin: 0 0 20px;
  border-left: 3px solid var(--mint-300);
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  background: rgba(155, 212, 188, 0.1);
  font-size: 16px;
  line-height: 1.85;
  color: var(--paper-100);
}

.page-privacy .clause__key strong {
  color: var(--mint-300);
}

.page-privacy .clause a {
  color: var(--cyan-400);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
  word-break: break-all;
}

.page-privacy .clause a:hover {
  color: var(--orange-500);
}

.page-privacy .aside-note {
  margin: 20px 0 0;
  padding: 6px 0 6px 16px;
  border-left: 2px solid var(--cyan-400);
  font-size: 14px;
  line-height: 1.8;
  color: var(--slate-300);
}

/* ---------- 延伸入口 ---------- */
.page-privacy .privacy-next {
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid rgba(154, 174, 194, 0.2);
}

.page-privacy .privacy-next__title {
  margin: 0 0 16px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--amber-400);
}

.page-privacy .privacy-next__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-privacy .privacy-next__list a {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 16px 18px;
  border-radius: var(--radius-md);
  background: var(--ink-700);
  border: 1px solid rgba(154, 174, 194, 0.16);
  color: var(--paper-100);
  text-decoration: none;
  transition: border-color 0.2s ease, transform 0.2s ease;
}

.page-privacy .privacy-next__list a:hover,
.page-privacy .privacy-next__list a:focus-visible {
  border-color: var(--cyan-400);
  transform: translateY(-2px);
}

.page-privacy .privacy-next__list strong {
  font-size: 16px;
  font-weight: 700;
}

.page-privacy .privacy-next__list span {
  font-size: 14px;
  line-height: 1.7;
  color: var(--slate-300);
}

/* ---------- 断点 ---------- */
@media (min-width: 768px) {
  .page-privacy .privacy-next__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .page-privacy .privacy-hero {
    padding: 40px 0 64px;
  }
}

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

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

  .page-privacy .privacy-rail {
    position: sticky;
    top: calc(var(--header-h) + 20px);
    max-height: calc(100vh - var(--header-h) - 48px);
    overflow-y: auto;
    padding: 20px 18px 22px;
  }

  .page-privacy .privacy-rail__list {
    grid-auto-flow: row;
    grid-auto-columns: auto;
    gap: 2px;
    overflow-x: visible;
    padding-bottom: 0;
  }

  .page-privacy .privacy-rail__list a {
    border-top: none;
    border-left: 2px solid transparent;
    border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
    padding: 9px 12px 9px 14px;
  }

  .page-privacy .privacy-rail__list a:hover,
  .page-privacy .privacy-rail__list a:focus-visible {
    border-top-color: transparent;
    border-left-color: var(--cyan-400);
  }
}

/* ---------- 无障碍与打印 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-progress__bar {
    animation: none;
    transform: scaleX(1);
  }

  .page-privacy .privacy-rail__list a,
  .page-privacy .privacy-next__list a,
  .page-privacy .clause__title {
    transition: none;
  }

  .page-privacy .privacy-next__list a:hover,
  .page-privacy .privacy-next__list a:focus-visible {
    transform: none;
  }
}

@media print {
  .page-privacy .privacy-progress,
  .page-privacy .privacy-rail {
    display: none;
  }

  .page-privacy .privacy-body__grid {
    grid-template-columns: 1fr;
  }

  .page-privacy .privacy-content {
    max-width: none;
  }
}