.page-privacy {
  --pv-line: rgba(207,239,234,.16);
  --pv-soft: rgba(207,239,234,.07);
  padding-bottom: 64px;
}

.page-privacy a:focus-visible,
.page-privacy summary:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
  border-radius: 2px;
}

/* 面包屑 */
.page-privacy .breadcrumb { margin: 18px 0 16px; }
.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: .04em;
  color: var(--slate);
}
.page-privacy .breadcrumb__link {
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color .18s var(--ease), border-color .18s var(--ease);
}
.page-privacy .breadcrumb__link:hover { color: var(--cyan); border-bottom-color: var(--cyan); }
.page-privacy .breadcrumb__link[aria-current="page"] { color: var(--paper); border-bottom-color: var(--line); }
.page-privacy .breadcrumb__sep { color: var(--slate); }

/* 首屏框景 */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: 30px 20px 34px;
  border: 1px solid var(--pv-line);
  background:
    radial-gradient(130% 150% at 96% -10%, rgba(18,214,196,.16), transparent 58%),
    radial-gradient(90% 120% at 0% 120%, rgba(255,122,47,.10), transparent 62%),
    var(--ink-800);
  clip-path: polygon(0 0, calc(100% - 30px) 0, 100% 30px, 100% 100%, 0 100%);
}
.page-privacy .privacy-hero__flow {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: .7;
  pointer-events: none;
}
.page-privacy .privacy-hero__inner { position: relative; z-index: 1; }
.page-privacy .privacy-hero .eyebrow { color: var(--cyan); }
.page-privacy .privacy-hero__title {
  margin: 10px 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(40px, 11vw, 76px);
  line-height: 1.02;
  letter-spacing: .02em;
  color: var(--paper);
}
.page-privacy .privacy-hero__lead {
  margin: 16px 0 0;
  max-width: 44em;
  font-size: 15px;
  line-height: 1.9;
  color: rgba(245,250,252,.82);
}
.page-privacy .privacy-hero__meta {
  display: flex;
  flex-direction: column;
  gap: 9px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--mist);
}
.page-privacy .privacy-hero__k {
  display: inline-block;
  min-width: 70px;
  margin-right: 10px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .08em;
  color: var(--slate);
}

/* 抽象视觉 */
.page-privacy .privacy-visual { margin: 22px 0 0; }
.page-privacy .privacy-visual .media__frame {
  position: relative;
  overflow: hidden;
  border: 1px solid var(--pv-line);
  background: var(--ink-900);
}
.page-privacy .privacy-visual .media__img {
  display: block;
  width: 100%;
  height: clamp(150px, 30vw, 250px);
  max-width: 100%;
  object-fit: cover;
}
.page-privacy .privacy-visual .media__caption {
  margin: 10px 0 0;
  font-size: 12.5px;
  line-height: 1.7;
  color: var(--slate);
}

/* 双栏布局 */
.page-privacy .privacy-body { margin-top: 34px; }
.page-privacy .privacy-layout { display: grid; gap: 30px; }
.page-privacy .privacy-aside { display: grid; gap: 18px; align-content: start; }

.page-privacy .toc {
  display: flex;
  flex-direction: column;
  border-top: 1px solid var(--pv-line);
}
.page-privacy .toc__link {
  display: flex;
  align-items: baseline;
  gap: 12px;
  padding: 12px 10px;
  border-bottom: 1px solid var(--pv-line);
  color: var(--mist);
  text-decoration: none;
  font-size: 14px;
  transition: background .18s var(--ease), color .18s var(--ease), padding-left .18s var(--ease);
}
.page-privacy .toc__link:hover { background: var(--pv-soft); color: var(--paper); padding-left: 14px; }
.page-privacy .toc__num {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--cyan);
}
.page-privacy .toc__link[data-active="true"] {
  background: var(--pv-soft);
  color: var(--paper);
  box-shadow: inset 2px 0 0 var(--cyan);
}

.page-privacy .privacy-aside__note {
  border: 1px solid var(--pv-line);
  background: var(--pv-soft);
  padding: 16px;
}
.page-privacy .privacy-aside__note h2 {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  font-weight: 600;
  letter-spacing: .12em;
  color: var(--orange);
}
.page-privacy .privacy-aside__note ul {
  margin: 0;
  padding-left: 16px;
  font-size: 13px;
  line-height: 1.85;
  color: var(--mist);
}

/* 条款章节 */
.page-privacy .clause {
  display: grid;
  gap: 14px;
  padding: 26px 0;
  border-top: 1px solid var(--pv-line);
}
.page-privacy .clause:first-child { border-top: 0; padding-top: 0; }
.page-privacy .clause__num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.page-privacy .clause__num::after {
  content: "";
  display: block;
  width: 1px;
  height: 22px;
  margin: 10px 0 0 6px;
  background: linear-gradient(var(--cyan), transparent);
}
.page-privacy .clause__title {
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}
.page-privacy .clause__prose p {
  margin: 0 0 14px;
  font-size: 14.5px;
  line-height: 1.9;
  color: rgba(245,250,252,.8);
}
.page-privacy .clause__prose p:last-child { margin-bottom: 0; }

.page-privacy .privacy-inline {
  color: var(--cyan);
  text-decoration: none;
  border-bottom: 1px solid rgba(18,214,196,.45);
}
.page-privacy .privacy-inline:hover { border-bottom-color: var(--cyan); color: var(--paper); }

.page-privacy .callout {
  margin-top: 16px;
  padding: 14px 16px;
  background: var(--pv-soft);
  border-left: 2px solid var(--cyan);
  font-size: 13.5px;
  line-height: 1.8;
  color: var(--mist);
}

.page-privacy .clause__stats {
  display: grid;
  gap: 10px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}
.page-privacy .clause__stat {
  padding: 14px 16px;
  border: 1px solid var(--pv-line);
  background: rgba(6,20,38,.5);
}
.page-privacy .clause__stat b {
  display: block;
  font-family: var(--font-mono);
  font-size: 26px;
  font-weight: 700;
  line-height: 1.1;
  color: var(--cyan);
}
.page-privacy .clause__stat span {
  display: block;
  margin-top: 6px;
  font-size: 12.5px;
  line-height: 1.6;
  color: var(--slate);
}

/* 折叠摘要 */
.page-privacy .fold {
  margin-top: 12px;
  border: 1px solid var(--pv-line);
  background: rgba(6,20,38,.45);
}
.page-privacy .fold > summary {
  position: relative;
  padding: 12px 16px 12px 38px;
  cursor: pointer;
  list-style: none;
  font-size: 14px;
  font-weight: 600;
  color: var(--paper);
}
.page-privacy .fold > summary::-webkit-details-marker { display: none; }
.page-privacy .fold > summary::before {
  content: "+";
  position: absolute;
  left: 15px;
  top: 50%;
  transform: translateY(-50%);
  font-family: var(--font-mono);
  color: var(--orange);
}
.page-privacy .fold[open] > summary::before { content: "−"; color: var(--cyan); }
.page-privacy .fold[open] > summary { border-bottom: 1px solid var(--pv-line); }
.page-privacy .fold__body {
  padding: 14px 16px;
  font-size: 13.5px;
  line-height: 1.8;
  color: rgba(245,250,252,.76);
}

/* 关联入口 */
.page-privacy .privacy-related {
  margin-top: 34px;
  padding-top: 22px;
  border-top: 1px solid var(--pv-line);
}
.page-privacy .privacy-related__title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .12em;
  color: var(--slate);
}
.page-privacy .privacy-related__list {
  display: grid;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-privacy .privacy-related__link {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 14px 16px;
  border: 1px solid var(--pv-line);
  color: var(--paper);
  text-decoration: none;
  font-size: 14px;
  line-height: 1.6;
  transition: border-color .18s var(--ease), background .18s var(--ease);
}
.page-privacy .privacy-related__link span:last-child {
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--orange);
}
.page-privacy .privacy-related__link:hover {
  border-color: var(--cyan);
  background: var(--pv-soft);
}

/* 联系卡 */
.page-privacy .privacy-contact {
  margin-top: 34px;
  padding: 22px 20px;
  border: 1px solid var(--cyan);
  background: linear-gradient(160deg, rgba(18,214,196,.10), rgba(10,36,64,.72) 55%);
}
.page-privacy .privacy-contact__title {
  margin: 0 0 10px;
  font-family: var(--font-display);
  font-size: 20px;
  font-weight: 700;
  line-height: 1.45;
  color: var(--paper);
}
.page-privacy .privacy-contact__lead {
  margin: 0 0 18px;
  font-size: 13.5px;
  line-height: 1.85;
  color: rgba(245,250,252,.8);
}
.page-privacy .privacy-contact__list {
  display: grid;
  gap: 12px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-privacy .privacy-contact__item {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-bottom: 12px;
  border-bottom: 1px solid var(--pv-line);
}
.page-privacy .privacy-contact__item:last-child { border-bottom: 0; padding-bottom: 0; }
.page-privacy .privacy-contact__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .1em;
  color: var(--cyan);
}
.page-privacy .privacy-contact__v {
  font-size: 14px;
  line-height: 1.7;
  color: var(--paper);
  word-break: break-word;
}
.page-privacy .privacy-contact__note {
  margin: 16px 0 0;
  font-size: 12.5px;
  line-height: 1.75;
  color: var(--slate);
}

/* 平板及以上 */
@media (min-width: 640px) {
  .page-privacy .privacy-hero { padding: 38px 32px 42px; }
  .page-privacy .privacy-hero__meta { flex-direction: row; flex-wrap: wrap; gap: 10px 28px; }
  .page-privacy .clause { grid-template-columns: 84px minmax(0, 1fr); gap: 22px; }
  .page-privacy .clause__stats { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-privacy .privacy-related__list { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .page-privacy .privacy-related__link { flex-direction: column; align-items: flex-start; }
  .page-privacy .privacy-contact { padding: 28px 28px; }
  .page-privacy .privacy-contact__list { grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 18px; }
  .page-privacy .privacy-contact__item { border-bottom: 0; padding-bottom: 0; }
}

/* 桌面：左侧索引固定，右侧条款阅读 */
@media (min-width: 900px) {
  .page-privacy .privacy-layout {
    grid-template-columns: 250px minmax(0, 1fr);
    gap: 54px;
    align-items: start;
  }
  .page-privacy .privacy-aside {
    position: sticky;
    top: calc(var(--bar-h) + 24px);
  }
  .page-privacy .clause { grid-template-columns: 96px minmax(0, 1fr); padding: 30px 0; }
  .page-privacy .clause__title { font-size: 22px; }
  .page-privacy .clause__prose p { font-size: 15px; }
  .page-privacy .privacy-hero__lead { font-size: 16px; }
  .page-privacy .privacy-contact__title { font-size: 22px; }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .toc__link,
  .page-privacy .privacy-related__link,
  .page-privacy .breadcrumb__link {
    transition: none;
  }
}