.page-privacy {
  --privacy-measure: 760px;
  --privacy-rail: 76px;
  --toc-top: 108px;
}

.page-privacy .crumbs {
  padding-top: var(--s-3);
}

.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--s-4);
  padding-top: var(--s-3);
}

.page-privacy .privacy-rail {
  display: none;
}

.page-privacy .privacy-body {
  min-width: 0;
  max-width: var(--privacy-measure);
  overflow-wrap: break-word;
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero {
  padding: var(--s-4) 0 var(--s-5);
}

.page-privacy .privacy-hero__stamp {
  display: inline-flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-2);
  margin: 0;
  font-size: 12px;
  letter-spacing: 0.18em;
  color: var(--c-mist);
}

.page-privacy .privacy-hero__ver {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--c-brown);
  background: var(--c-neon);
  border-radius: var(--r-pill);
  padding: 3px 12px;
}

.page-privacy .privacy-hero h1 {
  margin: var(--s-3) 0 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(32px, 8vw, 58px);
  line-height: 1.06;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

.page-privacy .privacy-hero__lede {
  margin: var(--s-4) 0 0;
  padding: var(--s-3) var(--s-4);
  border-radius: var(--r-card);
  background: var(--c-cream);
  color: var(--c-brown);
  font-size: 16px;
  line-height: 1.9;
  letter-spacing: 0.01em;
  width: 100%;
  max-width: none;
}

.page-privacy .privacy-hero__keys {
  list-style: none;
  margin: var(--s-4) 0 0;
  padding: 0;
  display: flex;
  flex-wrap: wrap;
  gap: var(--s-1);
}

/* ---------- 首屏配图 ---------- */
.page-privacy .privacy-figure {
  margin: 0 0 var(--s-5);
}

.page-privacy .privacy-figure__img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 16 / 9;
  object-fit: cover;
  border: var(--bd);
  border-radius: var(--r-card);
}

.page-privacy .privacy-figure .media__caption {
  display: block;
  margin-top: var(--s-2);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: 0.04em;
  color: var(--c-mist);
}

/* ---------- 横向目录 ---------- */
.page-privacy .privacy-toc {
  position: sticky;
  top: var(--toc-top);
  z-index: 5;
  margin: 0 0 var(--s-3);
  padding: var(--s-2) 0;
  background: var(--c-base);
  border-top: var(--bd);
  border-bottom: var(--bd);
}

.page-privacy .privacy-toc__list {
  display: flex;
  gap: var(--s-1);
  list-style: none;
  margin: 0;
  padding: 0;
  overflow-x: auto;
  scrollbar-width: none;
  scroll-snap-type: x proximity;
}

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

.page-privacy .privacy-toc__link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  padding: 6px 12px;
  border: 1px solid transparent;
  border-radius: var(--r-pill);
  font-size: 13px;
  letter-spacing: 0.02em;
  color: var(--c-mist);
  text-decoration: none;
  scroll-snap-align: start;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .privacy-toc__no {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.1em;
  color: var(--c-line);
}

.page-privacy .privacy-toc__link.is-active {
  color: var(--c-neon);
  border-color: var(--c-line);
}

.page-privacy .privacy-toc__link.is-active .privacy-toc__no {
  color: var(--c-neon);
}

/* ---------- 章节 ---------- */
.page-privacy .privacy-section {
  padding: var(--s-5) 0;
  border-top: var(--bd);
  scroll-margin-top: 180px;
}

.page-privacy .privacy-head {
  display: grid;
  gap: var(--s-1);
  margin-bottom: var(--s-4);
}

.page-privacy .privacy-head__no {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 13px;
  letter-spacing: 0.24em;
  color: var(--c-neon);
}

.page-privacy .privacy-head__title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 700;
  font-size: clamp(24px, 5.4vw, 34px);
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--c-cream);
}

.page-privacy .privacy-head__note {
  margin: 0;
  font-size: 13px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--c-mist);
}

.page-privacy .privacy-prose p {
  margin: 0 0 var(--s-3);
  font-size: 15px;
  line-height: 1.9;
  letter-spacing: 0.01em;
  color: var(--c-text);
  max-width: 62ch;
}

.page-privacy .privacy-sub {
  margin: var(--s-4) 0 var(--s-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.08em;
  color: var(--c-whistle);
}

.page-privacy .privacy-list {
  list-style: none;
  margin: 0 0 var(--s-3);
  padding: 0;
  display: grid;
  gap: var(--s-2);
}

.page-privacy .privacy-list li {
  position: relative;
  padding-left: 22px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--c-text);
  max-width: 62ch;
}

.page-privacy .privacy-list li::before {
  content: "";
  position: absolute;
  left: 3px;
  top: 0.72em;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--c-neon);
  box-shadow: 0 0 0 3px rgba(217, 249, 74, 0.14);
}

.page-privacy .privacy-contact {
  font-family: var(--font-display);
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--c-neon);
}

.page-privacy .privacy-top {
  display: inline-flex;
  align-items: center;
  margin-top: var(--s-3);
  padding-bottom: 2px;
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--c-mist);
  text-decoration: none;
  border-bottom: 1px solid var(--c-line);
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .privacy-top:hover {
  color: var(--c-neon);
  border-color: var(--c-neon);
}

/* ---------- 数据流示意 ---------- */
.page-privacy .flow {
  margin: var(--s-4) 0 0;
}

.page-privacy .flow__row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 0;
}

.page-privacy .flow__node {
  display: grid;
  gap: 4px;
  padding: var(--s-3);
  background: var(--c-panel);
  border: var(--bd);
  border-radius: var(--r-card);
}

.page-privacy .flow__no {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 12px;
  letter-spacing: 0.2em;
  color: var(--c-whistle);
}

.page-privacy .flow__name {
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 20px;
  letter-spacing: 0.02em;
  color: var(--c-cream);
}

.page-privacy .flow__meta {
  font-size: 12px;
  line-height: 1.7;
  color: var(--c-mist);
}

.page-privacy .flow__link {
  position: relative;
  display: block;
  width: 2px;
  height: 28px;
  justify-self: center;
  background: repeating-linear-gradient(180deg, var(--c-line) 0 6px, transparent 6px 12px);
}

.page-privacy .flow__dot {
  display: none;
}

.page-privacy .flow__cap {
  margin-top: var(--s-3);
  font-size: 12px;
  line-height: 1.8;
  letter-spacing: 0.04em;
  color: var(--c-mist);
}

/* ---------- 术语速查 ---------- */
.page-privacy .glossary {
  display: grid;
  gap: var(--s-2);
  margin: var(--s-4) 0 0;
}

.page-privacy .glossary__item {
  background: var(--c-panel);
  border: var(--bd);
  border-radius: var(--r-sm);
  overflow: hidden;
}

.page-privacy .glossary__head {
  width: 100%;
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: var(--s-2);
  padding: var(--s-2) var(--s-3);
  background: none;
  border: 0;
  font: inherit;
  text-align: left;
  color: var(--c-text);
  cursor: pointer;
}

.page-privacy .glossary__head::after {
  content: "＋";
  margin-left: auto;
  font-size: 14px;
  color: var(--c-whistle);
}

.page-privacy .glossary__item.is-open .glossary__head::after {
  content: "－";
}

.page-privacy .glossary__pill {
  background: var(--c-neon);
  color: var(--c-brown);
  border: 0;
  font-weight: 600;
}

.page-privacy .expand__title {
  font-size: 14px;
  line-height: 1.7;
  letter-spacing: 0.01em;
}

.page-privacy .expand__panel {
  padding: var(--s-3);
  background: var(--c-cream);
  color: var(--c-brown);
  font-size: 14px;
  line-height: 1.85;
}

/* ---------- 不做清单 ---------- */
.page-privacy .privacy-note {
  margin-top: var(--s-4);
  padding: var(--s-3) var(--s-4);
  background: var(--c-cream);
  color: var(--c-brown);
  border-radius: var(--r-card);
}

.page-privacy .privacy-note__title {
  margin: 0 0 var(--s-2);
  font-family: var(--font-display);
  font-weight: 700;
  font-size: 16px;
  letter-spacing: 0.06em;
  color: var(--c-brown);
}

.page-privacy .privacy-note ul {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 6px;
}

.page-privacy .privacy-note li {
  position: relative;
  padding-left: 16px;
  font-size: 14px;
  line-height: 1.8;
}

.page-privacy .privacy-note li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.7em;
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--c-whistle);
}

/* ---------- 相关入口 ---------- */
.page-privacy .privacy-more {
  padding: var(--s-5) 0 var(--s-6);
  border-top: var(--bd);
}

.page-privacy .privacy-more__list {
  list-style: none;
  margin: var(--s-4) 0 0;
  padding: 0;
  display: grid;
  gap: var(--s-2);
}

.page-privacy .privacy-more__link {
  display: block;
  padding: var(--s-2) var(--s-3);
  background: var(--c-panel);
  border: var(--bd);
  border-radius: var(--r-pill);
  font-size: 14px;
  line-height: 1.7;
  color: var(--c-text);
  text-decoration: none;
  transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
}

.page-privacy .privacy-more__link:hover {
  color: var(--c-neon);
  border-color: var(--c-neon);
}

/* ---------- 平板及以上 ---------- */
@media (min-width: 768px) {
  .page-privacy .flow__row {
    grid-template-columns: 1fr 72px 1fr 72px 1fr;
    align-items: center;
  }

  .page-privacy .flow__link {
    width: 100%;
    height: 2px;
    justify-self: stretch;
    background: repeating-linear-gradient(90deg, var(--c-line) 0 6px, transparent 6px 12px);
  }

  .page-privacy .flow__dot {
    display: block;
    position: absolute;
    top: -2px;
    left: 0;
    width: 6px;
    height: 6px;
    border-radius: 50%;
    background: var(--c-neon);
    animation: privacy-flow 3.4s linear infinite;
  }

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

@keyframes privacy-flow {
  from { left: 0; }
  to { left: calc(100% - 6px); }
}

/* ---------- 桌面：左侧坐标注释列 ---------- */
@media (min-width: 1024px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--privacy-rail) minmax(0, 1fr);
    gap: var(--s-4);
  }

  .page-privacy .privacy-rail {
    display: flex;
    flex-direction: column;
    gap: var(--s-3);
    align-items: flex-start;
    padding-top: var(--s-5);
  }

  .page-privacy .rail-label {
    writing-mode: vertical-rl;
    padding-left: 8px;
    border-left: 2px solid transparent;
    font-size: 12px;
    letter-spacing: 0.18em;
    color: var(--c-mist);
    transition: color 0.16s var(--ease), border-color 0.16s var(--ease);
  }

  .page-privacy .rail-label.is-active {
    color: var(--c-neon);
    border-left-color: var(--c-neon);
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .flow__dot {
    animation: none;
  }

  .page-privacy .privacy-toc__link,
  .page-privacy .privacy-top,
  .page-privacy .privacy-more__link,
  .page-privacy .rail-label {
    transition: none;
  }
}