.page-privacy {
  --pv-rule: rgba(143, 169, 161, 0.22);
  --pv-panel: linear-gradient(180deg, #123029, #0C2320);
  --pv-toc-w: 246px;
  display: block;
  padding-bottom: clamp(40px, 7vw, 88px);
}

/* ---------- 页头 ---------- */
.page-privacy .privacy-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(16px, 3.4vw, 32px) 0 clamp(28px, 5vw, 48px);
}

.page-privacy .privacy-hero::before {
  content: "";
  position: absolute;
  inset: -30% -25% auto -15%;
  height: 150%;
  background:
    radial-gradient(closest-side at 20% 36%, rgba(55, 232, 208, 0.13), transparent 72%),
    radial-gradient(closest-side at 82% 8%, rgba(233, 184, 92, 0.11), transparent 74%);
  pointer-events: none;
  z-index: 0;
}

.page-privacy .privacy-hero::after {
  content: "";
  position: absolute;
  right: -20%;
  bottom: -46%;
  width: min(540px, 82vw);
  aspect-ratio: 1 / 1;
  border-radius: 50%;
  background: repeating-radial-gradient(circle at 50% 50%, transparent 0 36px, rgba(55, 232, 208, 0.11) 36px 37px);
  pointer-events: none;
  z-index: 0;
}

.page-privacy .privacy-hero > .shell {
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-title {
  margin: 12px 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(30px, 8vw, 58px);
  line-height: 1.08;
  letter-spacing: -0.01em;
  color: var(--chalk);
  max-width: 18ch;
}

.page-privacy .privacy-lede {
  max-width: 60ch;
  margin: 0;
  color: var(--text-soft);
  font-size: clamp(15px, 2.4vw, 18px);
  line-height: 1.75;
}

.page-privacy .privacy-figure {
  margin: clamp(24px, 5vw, 44px) 0 0;
  display: block;
}

.page-privacy .privacy-figure img {
  display: block;
  width: 100%;
  height: auto;
  aspect-ratio: 3 / 2;
  object-fit: cover;
  border-radius: var(--r-lg);
  border: 1px solid var(--line);
}

.page-privacy .privacy-figure .media-caption {
  margin: 10px 0 0;
  font-size: 12px;
  letter-spacing: 0.06em;
  color: var(--mist);
}

/* ---------- 布局 ---------- */
.page-privacy .privacy-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(14px, 3vw, 24px);
  align-items: start;
}

/* ---------- 章节导航 ---------- */
.page-privacy .privacy-toc {
  position: relative;
  z-index: 3;
  margin-inline: calc(var(--gutter) * -1);
  padding: 6px var(--gutter) 12px;
  background: linear-gradient(180deg, var(--ink) 70%, rgba(11, 30, 26, 0));
}

.page-privacy .toc-head {
  display: none;
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--mist);
}

.page-privacy .toc-list {
  display: flex;
  gap: 8px;
  margin: 0;
  padding: 0 0 2px;
  list-style: none;
  overflow-x: auto;
  scrollbar-width: none;
}

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

.page-privacy .toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  padding: 9px 14px;
  border: 1px solid var(--line);
  border-radius: var(--r-pill);
  color: var(--text-soft);
  font-size: 13px;
  text-decoration: none;
  transition: color 0.2s var(--ease), border-color 0.2s var(--ease), background-color 0.2s var(--ease);
}

.page-privacy .toc-num {
  font-family: var(--font-mono);
  font-size: 12px;
  color: var(--cyan);
  letter-spacing: 0.04em;
}

.page-privacy .toc-link:hover,
.page-privacy .toc-link:focus-visible {
  color: var(--chalk);
  border-color: var(--cyan);
  background-color: rgba(55, 232, 208, 0.08);
}

/* ---------- 正文 ---------- */
.page-privacy .privacy-body {
  max-width: 68ch;
}

.page-privacy .privacy-section {
  position: relative;
  padding: clamp(26px, 4.4vw, 38px) 0;
  border-top: 1px solid var(--pv-rule);
  transition: background-color 0.3s var(--ease);
}

.page-privacy .privacy-section:first-of-type {
  border-top: 0;
  padding-top: clamp(8px, 2vw, 14px);
}

.page-privacy .privacy-section:target {
  background: linear-gradient(90deg, rgba(55, 232, 208, 0.08), transparent 66%);
  border-radius: var(--r-md);
  padding-inline: clamp(10px, 2vw, 18px);
}

.page-privacy .section-index {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.16em;
  color: var(--gold);
}

.page-privacy .privacy-h2 {
  margin: 0 0 14px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 4.6vw, 32px);
  line-height: 1.2;
  letter-spacing: -0.005em;
  color: var(--chalk);
}

.page-privacy .privacy-h2::after {
  content: "";
  display: block;
  width: 48px;
  height: 2px;
  margin-top: 12px;
  border-radius: 2px;
  background: linear-gradient(90deg, var(--gold), rgba(233, 184, 92, 0.1));
}

.page-privacy .privacy-section:target .privacy-h2 {
  color: var(--cyan);
}

.page-privacy .privacy-section p {
  margin: 0 0 14px;
  color: var(--text-soft);
  font-size: 16px;
  line-height: 1.75;
}

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

.page-privacy .section-tail {
  margin-top: 18px !important;
  font-size: 15px !important;
  color: var(--text-dim) !important;
}

.page-privacy .inline-link {
  color: var(--cyan);
  text-decoration: underline;
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

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

/* ---------- 信息类型三栏 ---------- */
.page-privacy .intake-grid {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
}

.page-privacy .intake-card {
  padding: 18px 18px 20px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--pv-panel);
}

.page-privacy .intake-card .card-num {
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.16em;
  color: var(--cyan);
}

.page-privacy .intake-card h3 {
  margin: 0 0 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--chalk);
}

.page-privacy .intake-card p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 用途编号条 ---------- */
.page-privacy .use-list {
  display: grid;
  gap: 16px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .use-item {
  display: grid;
  grid-template-columns: auto 1fr;
  gap: 14px;
  padding-left: 14px;
  border-left: 2px solid rgba(233, 184, 92, 0.42);
}

.page-privacy .use-num {
  margin: 0;
  padding-top: 2px;
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--gold);
}

.page-privacy .use-item h3 {
  margin: 0 0 6px;
  font-size: 16px;
  font-weight: 600;
  color: var(--chalk);
}

.page-privacy .use-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 偏好标签 ---------- */
.page-privacy .chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 18px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .chip-row .chip {
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.04em;
  padding: 7px 13px;
  border-radius: var(--r-pill);
  border: 1px solid rgba(55, 232, 208, 0.34);
  background: rgba(55, 232, 208, 0.08);
  color: var(--chalk);
}

/* ---------- 保存与安全 ---------- */
.page-privacy .term-list {
  display: grid;
  gap: 14px;
  margin: 20px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .term-item {
  padding: 16px 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(18, 48, 41, 0.55);
}

.page-privacy .term-item h3 {
  margin: 0 0 6px;
  font-family: var(--font-mono);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  color: var(--cyan);
}

.page-privacy .term-item p {
  margin: 0;
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-dim);
}

/* ---------- 联系方式 ---------- */
.page-privacy .contact-grid {
  display: grid;
  gap: 12px;
  margin: 20px 0 0;
}

.page-privacy .contact-card {
  padding: 18px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: var(--pv-panel);
}

.page-privacy .contact-label {
  margin: 0 0 8px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.14em;
  color: var(--mist);
}

.page-privacy .contact-value {
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1.5;
  color: var(--chalk);
  word-break: break-all;
}

.page-privacy .contact-note {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-dim);
}

.page-privacy .copy-btn {
  margin-top: 2px;
  font-size: 13px;
}

/* ---------- 相关入口 ---------- */
.page-privacy .rel-list {
  display: grid;
  gap: 10px;
  margin: 22px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .rel-link {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: var(--r-md);
  background: rgba(18, 48, 41, 0.5);
  color: var(--chalk);
  font-size: 15px;
  text-decoration: none;
  transition: border-color 0.2s var(--ease), transform 0.2s var(--ease);
}

.page-privacy .rel-link:hover {
  border-color: var(--cyan);
  transform: translateX(3px);
}

.page-privacy .rel-arrow {
  font-family: var(--font-mono);
  color: var(--cyan);
}

/* ---------- 中等屏 ---------- */
@media (min-width: 640px) {
  .page-privacy .privacy-figure img {
    aspect-ratio: 1600 / 520;
  }

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

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

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

  .page-privacy .contact-card--wide {
    grid-column: 1 / -1;
  }

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

/* ---------- 宽屏：左目录 + 右正文 ---------- */
@media (min-width: 920px) {
  .page-privacy .privacy-layout {
    grid-template-columns: var(--pv-toc-w) minmax(0, 1fr);
    gap: clamp(32px, 5vw, 72px);
  }

  .page-privacy .privacy-toc {
    position: sticky;
    top: 84px;
    margin-inline: 0;
    padding: 20px 18px 22px;
    border: 1px solid var(--line);
    border-radius: var(--r-lg);
    background: linear-gradient(180deg, rgba(18, 48, 41, 0.92), rgba(11, 30, 26, 0.88));
  }

  .page-privacy .toc-head {
    display: block;
  }

  .page-privacy .toc-list {
    flex-direction: column;
    gap: 2px;
    overflow: visible;
  }

  .page-privacy .toc-link {
    position: relative;
    padding: 9px 10px 9px 16px;
    border: 0;
    border-radius: var(--r-sm);
    white-space: normal;
    font-size: 14px;
    line-height: 1.5;
  }

  .page-privacy .toc-link::before {
    content: "";
    position: absolute;
    left: 0;
    top: 50%;
    width: 3px;
    height: 0;
    transform: translateY(-50%);
    border-radius: 3px;
    background: var(--cyan);
    transition: height 0.25s var(--ease);
  }

  .page-privacy .toc-link:hover::before,
  .page-privacy .toc-link:focus-visible::before {
    height: 62%;
  }

  .page-privacy .privacy-title {
    max-width: 22ch;
  }
}