.page-privacy {
  --pv-ink: #c9d3e8;
  --pv-measure: 40rem;
  position: relative;
}

.page-privacy .pv-stage {
  padding-top: clamp(24px, 4vw, 42px);
  padding-bottom: clamp(40px, 6vw, 72px);
}

.page-privacy .pv-texture {
  position: relative;
  margin-top: clamp(20px, 3vw, 34px);
  border-top: 1px solid var(--line);
  border-bottom: 1px solid var(--line);
  background: var(--deep);
  overflow: hidden;
}

.page-privacy .pv-texture img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: clamp(150px, 26vw, 280px);
  object-fit: cover;
  opacity: 0.5;
}

.page-privacy .pv-texture::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    linear-gradient(180deg, rgba(7, 14, 34, 0.3) 0%, rgba(7, 14, 34, 0.94) 92%),
    repeating-linear-gradient(90deg, transparent 0 79px, rgba(34, 224, 255, 0.06) 79px 80px);
}

.page-privacy .pv-stage .shell {
  margin-top: clamp(26px, 4vw, 46px);
}

.page-privacy .pv-title {
  margin: 12px 0 0;
  max-width: 24em;
  font-family: var(--font-display);
  font-size: clamp(30px, 5vw, 48px);
  font-weight: 800;
  line-height: 1.14;
  letter-spacing: -0.01em;
  color: var(--ink);
}

.page-privacy .pv-lede {
  margin: 18px 0 0;
  max-width: 44em;
  font-size: 15.5px;
  line-height: 1.9;
  color: var(--muted);
}

/* ---------- 主体布局 ---------- */

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 48px;
  padding-bottom: clamp(48px, 7vw, 88px);
}

.page-privacy .pv-clauses {
  position: relative;
  max-width: var(--pv-measure);
  min-width: 0;
}

.page-privacy .pv-clause {
  scroll-margin-top: 96px;
}

.page-privacy .pv-clause + .pv-clause {
  margin-top: clamp(36px, 5vw, 52px);
  padding-top: clamp(36px, 5vw, 52px);
  border-top: 1px solid var(--line);
}

.page-privacy .pv-clause-head {
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin-bottom: 16px;
}

.page-privacy .pv-num {
  flex: none;
  padding-top: 4px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .pv-clause h2 {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(19px, 2.4vw, 24px);
  font-weight: 700;
  line-height: 1.35;
  letter-spacing: -0.005em;
  color: var(--ink);
}

.page-privacy .pv-p {
  margin: 14px 0 0;
  font-size: 15.5px;
  line-height: 1.95;
  color: var(--pv-ink);
}

.page-privacy .pv-p strong {
  font-weight: 600;
}

.page-privacy .pv-list {
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 20px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--pv-ink);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.72em;
  width: 6px;
  height: 6px;
  background: var(--cyan);
  opacity: 0.85;
}

.page-privacy .pv-key {
  font-family: var(--font-mono);
  font-size: 14.5px;
  color: var(--orange);
  letter-spacing: 0.02em;
}

.page-privacy .pv-clause a {
  text-decoration: none;
  border-bottom: 1px solid rgba(34, 224, 255, 0.35);
  transition: border-color var(--t-fast) var(--ease), color var(--t-fast) var(--ease);
}

.page-privacy .pv-clause a:hover,
.page-privacy .pv-clause a:focus-visible {
  border-bottom-color: var(--orange);
  color: var(--orange);
}

/* ---------- 折叠补充说明 ---------- */

.page-privacy .pv-more {
  margin-top: 20px;
  padding-top: 14px;
  border-top: 1px dashed var(--line);
}

.page-privacy .pv-more summary {
  display: inline-flex;
  align-items: center;
  gap: 9px;
  cursor: pointer;
  list-style: none;
  font-size: 13.5px;
  letter-spacing: 0.02em;
  color: var(--cyan);
  transition: color var(--t-fast) var(--ease);
}

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

.page-privacy .pv-more summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1;
  width: 18px;
  height: 18px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 1px solid var(--line);
  color: var(--cyan);
}

.page-privacy .pv-more[open] summary::before {
  content: "−";
  border-color: rgba(34, 224, 255, 0.5);
}

.page-privacy .pv-more summary:hover {
  color: var(--orange);
}

.page-privacy .pv-more .pv-p {
  font-size: 14.5px;
  color: var(--muted);
  max-width: 36em;
}

/* ---------- 章节目录 ---------- */

.page-privacy .pv-toc {
  align-self: start;
  position: sticky;
  top: 96px;
  padding-left: 20px;
  border-left: 1px solid var(--line);
}

.page-privacy .pv-toc-title {
  margin: 0 0 14px;
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: 0.14em;
  color: var(--muted);
}

.page-privacy .pv-toc ol {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 10px;
}

.page-privacy .pv-toc li {
  margin: 0;
}

.page-privacy .pv-toc .rail-link {
  display: block;
  font-size: 13.5px;
  line-height: 1.55;
  color: var(--muted);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), padding-left var(--t-fast) var(--ease);
}

.page-privacy .pv-toc .rail-link:hover,
.page-privacy .pv-toc .rail-link:focus-visible {
  color: var(--ink);
  padding-left: 6px;
}

.page-privacy .pv-toc .rail-link[aria-current="true"] {
  color: var(--cyan);
  padding-left: 6px;
}

/* ---------- 尾部相关页 ---------- */

.page-privacy .pv-related {
  padding-top: clamp(28px, 4vw, 44px);
  padding-bottom: clamp(56px, 8vw, 96px);
  border-top: 1px solid var(--line);
}

.page-privacy .pv-related-title {
  margin: 0 0 20px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  font-weight: 500;
  color: var(--muted);
}

.page-privacy .pv-related-list {
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 1px;
  background: var(--line);
  border: 1px solid var(--line);
}

.page-privacy .pv-related-list li {
  background: var(--panel);
  padding: 18px 20px;
  display: grid;
  gap: 6px;
}

.page-privacy .pv-related-list a {
  font-family: var(--font-display);
  font-size: 17px;
  font-weight: 700;
  color: var(--ink);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease);
}

.page-privacy .pv-related-list a:hover,
.page-privacy .pv-related-list a:focus-visible {
  color: var(--cyan);
}

.page-privacy .pv-related-list span {
  font-size: 13.5px;
  line-height: 1.7;
  color: var(--muted);
}

/* ---------- 桌面端 ---------- */

@media (min-width: 1000px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, 1fr) 236px;
    gap: clamp(48px, 6vw, 88px);
  }

  .page-privacy .pv-clauses {
    padding-left: 40px;
    border-left: 1px solid var(--line);
  }

  .page-privacy .pv-clauses::before {
    content: "";
    position: absolute;
    left: -1px;
    top: 0;
    bottom: 0;
    width: 1px;
    pointer-events: none;
    background: repeating-linear-gradient(
      to bottom,
      var(--cyan) 0 2px,
      transparent 2px 128px
    );
    opacity: 0.55;
  }

  .page-privacy .pv-related-list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

@media (max-width: 999px) {
  .page-privacy .pv-toc {
    position: static;
    padding-left: 0;
    padding-top: 20px;
    border-left: 0;
    border-top: 1px solid var(--line);
  }

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

@media (max-width: 560px) {
  .page-privacy .pv-toc ol {
    grid-template-columns: minmax(0, 1fr);
  }

  .page-privacy .pv-related-list li {
    padding: 16px 16px;
  }
}