/* ===== 数据与隐私 /data-privacy/ ===== */
.page-privacy {
  --pv-measure: 760px;
  background: var(--cream);
  color: var(--navy);
  font-family: var(--font-sans);
  padding-bottom: var(--sp-6);
}

/* 阅读进度细竖线（仅宽屏显示） */
.page-privacy .privacy-rail {
  display: none;
}

/* 首屏 */
.page-privacy .privacy-hero {
  padding: var(--sp-4) 0 0;
}

.page-privacy .breadcrumbs {
  margin-bottom: var(--sp-3);
}

.page-privacy .privacy-hero h1 {
  margin: var(--sp-1) 0 var(--sp-3);
  max-width: 22ch;
  font-size: clamp(34px, 6.4vw, 62px);
  font-weight: 900;
  line-height: 1.08;
  letter-spacing: -0.02em;
}

.page-privacy .privacy-hero .lead {
  max-width: 60ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-privacy .privacy-banner {
  position: relative;
  margin: var(--sp-4) 0 0;
  border-radius: var(--r-lg);
  overflow: hidden;
  background: linear-gradient(135deg, var(--navy) 0%, var(--navy-2) 58%, var(--red-dark) 100%);
  box-shadow: var(--shadow-card);
}

.page-privacy .privacy-banner::after {
  content: "";
  position: absolute;
  inset: 0;
  background-image: repeating-linear-gradient(115deg, rgba(253, 246, 236, 0.14) 0 2px, transparent 2px 18px);
  pointer-events: none;
}

.page-privacy .privacy-banner img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 2 / 1;
  object-fit: cover;
}

.page-privacy .privacy-banner .media__caption {
  position: absolute;
  left: var(--sp-2);
  bottom: var(--sp-2);
  margin: 0;
  max-width: calc(100% - 32px);
  padding: 8px 14px;
  border-radius: var(--r-pill);
  background: rgba(16, 35, 63, 0.74);
  color: var(--cream);
  font-size: 13px;
  line-height: 1.5;
}

/* 锚点目录 */
.page-privacy .privacy-nav {
  position: sticky;
  top: var(--header-h);
  z-index: 7;
  margin-top: var(--sp-5);
  background: rgba(253, 246, 236, 0.96);
  backdrop-filter: blur(8px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
}

.page-privacy .clause-nav__list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 12px 0;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .clause-nav__list::-webkit-scrollbar {
  display: none;
}

.page-privacy .clause-pill {
  display: inline-flex;
  flex: 0 0 auto;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border: 1px solid var(--line-strong);
  border-radius: var(--r-pill);
  background: var(--white);
  color: var(--navy);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.02em;
  white-space: nowrap;
  text-decoration: none;
  transition: background 0.2s var(--ease), color 0.2s var(--ease), border-color 0.2s var(--ease);
}

.page-privacy .clause-pill__num {
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--red);
}

.page-privacy .clause-pill:hover,
.page-privacy .clause-pill:focus-visible {
  background: var(--navy);
  border-color: var(--navy);
  color: var(--cream);
}

.page-privacy .clause-pill:hover .clause-pill__num,
.page-privacy .clause-pill:focus-visible .clause-pill__num {
  color: var(--gold);
}

.page-privacy .clause-pill:focus-visible {
  outline: 3px solid var(--neon);
  outline-offset: 2px;
}

.page-privacy .clause-pill.is-active {
  background: var(--red);
  border-color: var(--red);
  color: var(--white);
}

.page-privacy .clause-pill.is-active .clause-pill__num {
  color: rgba(255, 255, 255, 0.78);
}

/* 条款正文：单列窄栏 */
.page-privacy .privacy-doc {
  max-width: var(--pv-measure);
  margin: 0 auto;
  padding: var(--sp-5) 0 0;
}

.page-privacy .clause {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-2);
  padding: var(--sp-4) 0;
  border-top: 1px solid var(--sand);
  scroll-margin-top: calc(var(--header-h) + 92px);
}

.page-privacy .clause:first-of-type {
  border-top: 0;
  padding-top: var(--sp-2);
}

.page-privacy .clause:target {
  border-radius: var(--r-md);
  background-image: linear-gradient(90deg, rgba(226, 59, 46, 0.09), rgba(242, 181, 49, 0.07) 58%, transparent);
  box-shadow: inset 0 0 0 1px rgba(226, 59, 46, 0.18);
  padding-left: var(--sp-2);
  padding-right: var(--sp-2);
}

.page-privacy .clause__num {
  margin: 0;
  font-family: var(--font-mono);
  font-size: 40px;
  font-weight: 800;
  line-height: 1;
  letter-spacing: 0.02em;
  color: var(--red);
  opacity: 0.86;
}

.page-privacy .clause__title {
  margin: 0 0 var(--sp-2);
  font-size: clamp(21px, 2.6vw, 27px);
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: -0.01em;
}

.page-privacy .clause__body p {
  margin: 0 0 var(--sp-2);
  max-width: 64ch;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-soft);
}

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

.page-privacy .clause__body strong {
  color: var(--navy);
  font-weight: 700;
}

.page-privacy .clause__body a {
  color: var(--red-dark);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.page-privacy .clause__body a:hover {
  color: var(--red);
}

/* 清单 */
.page-privacy .privacy-list {
  margin: 0 0 var(--sp-3);
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

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

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16.5px;
  line-height: 1.85;
  color: var(--ink-soft);
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.78em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--gold);
}

.page-privacy .privacy-list li strong {
  color: var(--navy);
  font-weight: 700;
}

.page-privacy .privacy-list--num {
  counter-reset: pv-item;
}

.page-privacy .privacy-list--num li {
  padding-left: 34px;
}

.page-privacy .privacy-list--num li::before {
  counter-increment: pv-item;
  content: counter(pv-item);
  top: 0.2em;
  width: 24px;
  height: 24px;
  border-radius: 8px;
  background: var(--navy);
  color: var(--cream);
  font-family: var(--font-mono);
  font-size: 12px;
  line-height: 1;
  display: grid;
  place-items: center;
}

/* 版本号 */
.page-privacy .privacy-version {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 12px;
  margin: var(--sp-3) 0;
  padding: 14px 16px;
  border-radius: var(--r-md);
  background: var(--sand);
}

.page-privacy .privacy-version__label {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.04em;
  color: var(--ink-mute);
}

.page-privacy .privacy-version .version-badge {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 8px 14px;
  border: 1px solid rgba(16, 35, 63, 0.14);
  border-radius: var(--r-pill);
  background: var(--gold);
  color: var(--navy);
  font-family: var(--font-mono);
  font-size: 15px;
  font-weight: 700;
  letter-spacing: 0.02em;
  cursor: pointer;
  transition: background 0.2s var(--ease), box-shadow 0.2s var(--ease);
}

.page-privacy .privacy-version .version-badge:hover {
  background: #ffc94d;
  box-shadow: var(--shadow-card);
}

.page-privacy .privacy-version .version-badge:focus-visible {
  outline: 3px solid var(--neon);
  outline-offset: 2px;
}

.page-privacy .version-badge__hint {
  font-family: var(--font-sans);
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: rgba(16, 35, 63, 0.66);
}

/* 平板及以上：编号列与正文分栏 */
@media (min-width: 860px) {
  .page-privacy .clause {
    grid-template-columns: 96px 1fr;
    gap: var(--sp-4);
    align-items: start;
  }

  .page-privacy .clause__num {
    font-size: 56px;
  }

  .page-privacy .clause-nav__list {
    flex-wrap: wrap;
    overflow: visible;
  }

  .page-privacy .privacy-version {
    padding: 16px 20px;
  }
}

/* 宽屏：侧边阅读进度线 */
@media (min-width: 1200px) {
  .page-privacy .privacy-rail {
    display: block;
    position: fixed;
    left: 24px;
    top: 28vh;
    width: 2px;
    height: 44vh;
    z-index: 4;
    border-radius: var(--r-pill);
    background: var(--line);
  }

  .page-privacy .privacy-rail__fill {
    display: block;
    width: 100%;
    height: 100%;
    border-radius: var(--r-pill);
    background: var(--red);
    transform-origin: top center;
    transform: scaleY(0);
  }
}

@supports (animation-timeline: scroll()) {
  .page-privacy .privacy-rail__fill {
    animation: privacy-rail-fill linear both;
    animation-timeline: scroll(root block);
  }
}

@keyframes privacy-rail-fill {
  from {
    transform: scaleY(0);
  }
  to {
    transform: scaleY(1);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .privacy-rail__fill {
    animation: none;
    transform: scaleY(1);
  }

  .page-privacy .clause-pill,
  .page-privacy .privacy-version .version-badge {
    transition: none;
  }
}