.page-privacy {
  --privacy-grid-gap: 14px;
  background: var(--bg-deep);
  color: var(--text-primary);
  overflow-x: clip;
  padding-top: calc(var(--header-h) + 16px);
  padding-bottom: 88px;
  scroll-behavior: smooth;
}
.page-privacy ::selection {
  background: rgba(255, 107, 53, 0.35);
  color: var(--text-primary);
}
.page-privacy svg {
  display: block;
}

/* ===== 首屏：面包屑、标题与横幅 ===== */
.page-privacy__hero {
  position: relative;
}
.page-privacy__hero::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -140px;
  width: 460px;
  height: 460px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 107, 53, 0.16), rgba(255, 107, 53, 0) 64%);
  pointer-events: none;
  z-index: 0;
}
.page-privacy__hero::after {
  content: "";
  position: absolute;
  top: 140px;
  left: -160px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(0, 201, 167, 0.12), rgba(0, 201, 167, 0) 62%);
  pointer-events: none;
  z-index: 0;
}
.page-privacy__hero-inner {
  position: relative;
  z-index: 1;
}
.page-privacy__hero-copy {
  padding-top: 36px;
}
.page-privacy__title {
  margin: 18px 0 16px;
  font-family: var(--font-heading);
  font-size: clamp(30px, 5.4vw, 48px);
  line-height: 1.16;
  letter-spacing: -0.01em;
  color: var(--text-primary);
  max-width: 17em;
  text-wrap: balance;
}
.page-privacy__lede {
  margin: 0 0 24px;
  max-width: 58em;
  font-size: 17px;
  line-height: 1.78;
  color: var(--text-secondary);
}
.page-privacy__hero-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 0;
}
.page-privacy__hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 8px 14px;
  background: var(--glass);
  border: 1px solid var(--glass-strong);
  border-radius: 999px;
  font-size: 13px;
}
.page-privacy__hero-meta-item dt {
  color: var(--text-secondary);
}
.page-privacy__hero-meta-item dt::after {
  content: "";
  display: inline-block;
  width: 4px;
  height: 4px;
  border-radius: 50%;
  background: var(--accent-orange);
  margin: 0 6px 2px 8px;
  vertical-align: middle;
}
.page-privacy__hero-meta-item dd {
  margin: 0;
  color: var(--text-primary);
  font-weight: 600;
}
.page-privacy__banner {
  margin: 34px 0 0;
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--glass-strong);
  background: var(--bg-card);
}
.page-privacy__banner-img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}

/* ===== 双栏布局：粘性目录 + 正文 ===== */
.page-privacy__layout {
  display: block;
  padding-top: 36px;
}
.page-privacy__toc {
  margin-bottom: 30px;
}
.page-privacy__toc-inner {
  position: relative;
  padding: 20px 18px 18px;
  background: var(--bg-card);
  border: 1px solid var(--glass-strong);
  border-radius: var(--radius);
  overflow: hidden;
}
.page-privacy__toc-inner::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--gradient);
}
.page-privacy__toc-label {
  display: block;
  margin: 6px 0 12px;
  font-family: var(--font-heading);
  font-size: 12px;
  letter-spacing: 0.22em;
  text-transform: uppercase;
  color: var(--accent-teal);
}
.page-privacy__toc-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.page-privacy__toc-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 13px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid transparent;
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  line-height: 1.3;
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease, border-color 0.2s ease, transform 0.2s ease;
}
.page-privacy__toc-link:hover,
.page-privacy__toc-link:focus-visible {
  color: var(--text-primary);
  border-color: rgba(255, 107, 53, 0.55);
  background: rgba(255, 107, 53, 0.09);
  transform: translateY(-1px);
  outline: none;
}
.page-privacy__toc-num {
  font-family: var(--font-heading);
  font-size: 11px;
  color: var(--accent-orange);
}
.page-privacy__toc-note {
  margin: 14px 2px 2px;
  font-size: 13px;
  line-height: 1.65;
  color: var(--text-secondary);
}

/* ===== 章节正文通用 ===== */
.page-privacy__content {
  min-width: 0;
}
.page-privacy__section {
  position: relative;
  scroll-margin-top: calc(var(--header-h) + 22px);
  padding: 40px 0 8px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.page-privacy__section:first-child {
  border-top: none;
  padding-top: 8px;
}
.page-privacy__section:target {
  animation: privacySectionGlow 2.2s ease-out both;
  border-radius: var(--radius);
}
.page-privacy__section-head {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-bottom: 14px;
}
.page-privacy__section-num {
  font-family: var(--font-heading);
  font-size: clamp(38px, 6vw, 52px);
  line-height: 1;
  background: var(--gradient);
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
  -webkit-text-fill-color: transparent;
  opacity: 0.92;
}
.page-privacy__section-title {
  margin: 0;
  font-family: var(--font-heading);
  font-size: clamp(22px, 3.4vw, 30px);
  line-height: 1.25;
  color: var(--text-primary);
  text-wrap: balance;
}
.page-privacy__section-lead {
  margin: 0 0 20px;
  max-width: 60em;
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-secondary);
}
.page-privacy__note {
  margin: 18px 0 0;
  padding: 14px 16px 14px 18px;
  border-left: 3px solid var(--accent-orange);
  border-radius: 0 var(--radius) var(--radius) 0;
  background: rgba(255, 107, 53, 0.06);
  color: var(--text-secondary);
  font-size: 13.5px;
  line-height: 1.7;
}
.page-privacy h3 {
  margin: 0;
  color: var(--text-primary);
}

/* ===== 01 信息收集 ===== */
.page-privacy__collect-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--privacy-grid-gap);
}
.page-privacy__collect-item {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 18px;
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
  transition: border-color 0.2s ease, transform 0.2s ease;
}
.page-privacy__collect-item:hover {
  border-color: rgba(255, 107, 53, 0.4);
}
.page-privacy__collect-icon {
  flex: 0 0 40px;
  width: 40px;
  height: 40px;
  display: grid;
  place-items: center;
  border-radius: 12px;
  background: rgba(255, 107, 53, 0.12);
  color: var(--accent-orange);
}
.page-privacy__collect-icon svg {
  width: 22px;
  height: 22px;
}
.page-privacy__collect-body {
  min-width: 0;
}
.page-privacy__collect-title {
  margin-bottom: 6px;
  font-size: 16px;
}
.page-privacy__collect-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}

/* ===== 02 信息使用：时间轴 ===== */
.page-privacy__usage-list {
  list-style: none;
  margin: 6px 0 0;
  padding: 0;
}
.page-privacy__usage-item {
  position: relative;
  margin: 0 0 28px;
  padding-left: 56px;
}
.page-privacy__usage-item::before {
  content: "";
  position: absolute;
  left: 17px;
  top: 8px;
  bottom: -22px;
  width: 2px;
  background: linear-gradient(180deg, rgba(255, 107, 53, 0.5), rgba(0, 201, 167, 0.18));
}
.page-privacy__usage-item:last-child::before {
  display: none;
}
.page-privacy__usage-index {
  position: absolute;
  left: 0;
  top: 0;
  width: 36px;
  height: 36px;
  display: grid;
  place-items: center;
  border-radius: 10px;
  background: var(--gradient);
  color: #ffffff;
  font-family: var(--font-heading);
  font-size: 14px;
  box-shadow: 0 6px 16px rgba(255, 107, 53, 0.25);
}
.page-privacy__usage-body {
  min-width: 0;
}
.page-privacy__usage-title {
  margin-bottom: 6px;
  font-size: 17px;
}
.page-privacy__usage-desc {
  margin: 0;
  font-size: 14.5px;
  line-height: 1.72;
  color: var(--text-secondary);
}

/* ===== 03 信息保护 ===== */
.page-privacy__protect-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--privacy-grid-gap);
}
.page-privacy__protect-card {
  position: relative;
  padding: 18px 20px 16px;
  background: rgba(0, 201, 167, 0.05);
  border: 1px solid rgba(0, 201, 167, 0.16);
  border-radius: var(--radius);
}
.page-privacy__protect-title {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 8px;
  font-size: 15.5px;
  color: var(--accent-teal);
}
.page-privacy__protect-title::before {
  content: "";
  flex: 0 0 9px;
  width: 9px;
  height: 9px;
  background: var(--accent-teal);
  clip-path: polygon(50% 0, 100% 50%, 50% 100%, 0 50%);
}
.page-privacy__protect-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--text-secondary);
}

/* ===== 04 用户权利 ===== */
.page-privacy__rights-grid {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--privacy-grid-gap);
}
.page-privacy__rights-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 16px 18px;
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
}
.page-privacy__rights-icon {
  flex: 0 0 26px;
  width: 26px;
  height: 26px;
  display: grid;
  place-items: center;
  margin-top: 1px;
  border-radius: 50%;
  background: rgba(0, 201, 167, 0.12);
  color: var(--accent-teal);
}
.page-privacy__rights-icon svg {
  width: 15px;
  height: 15px;
}
.page-privacy__rights-body {
  min-width: 0;
}
.page-privacy__rights-title {
  margin-bottom: 5px;
  font-size: 15px;
}
.page-privacy__rights-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.68;
  color: var(--text-secondary);
}
.page-privacy__steps {
  margin-top: 20px;
  padding: 22px;
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.1), rgba(0, 201, 167, 0.07));
  border: 1px solid rgba(255, 255, 255, 0.08);
  border-radius: var(--radius);
}
.page-privacy__steps-title {
  margin-bottom: 14px;
  font-size: 16px;
}
.page-privacy__steps-list {
  list-style: none;
  margin: 0;
  padding: 0;
}
.page-privacy__steps-item {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 14.5px;
  line-height: 1.65;
  color: var(--text-secondary);
}
.page-privacy__steps-list .page-privacy__steps-item:last-child {
  margin-bottom: 0;
}
.page-privacy__steps-index {
  flex: 0 0 24px;
  width: 24px;
  height: 24px;
  display: grid;
  place-items: center;
  margin-top: 1px;
  border-radius: 50%;
  background: var(--bg-deep);
  border: 1px solid var(--accent-orange);
  color: var(--accent-orange);
  font-family: var(--font-heading);
  font-size: 12px;
  font-weight: 700;
}

/* ===== 05 政策更新 ===== */
.page-privacy__scope-grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--privacy-grid-gap);
}
.page-privacy__scope-item {
  padding: 18px 20px;
  background: var(--glass);
  border: 1px solid rgba(255, 255, 255, 0.06);
  border-radius: var(--radius);
}
.page-privacy__scope-title {
  margin-bottom: 7px;
  font-size: 15px;
  color: var(--accent-orange);
}
.page-privacy__scope-desc {
  margin: 0;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
}
.page-privacy__inline-link {
  color: var(--accent-teal);
  font-weight: 600;
  text-decoration-color: rgba(0, 201, 167, 0.4);
  text-underline-offset: 3px;
  transition: color 0.2s ease;
}
.page-privacy__inline-link:hover {
  color: var(--accent-orange);
  text-decoration-color: rgba(255, 107, 53, 0.6);
}

/* ===== 信任声明与相关链接 ===== */
.page-privacy__trust {
  position: relative;
  margin-top: 48px;
  padding: 30px 26px 26px;
  border-radius: var(--radius);
  background: linear-gradient(135deg, rgba(255, 107, 53, 0.12), rgba(0, 201, 167, 0.1));
  border: 1px solid rgba(255, 255, 255, 0.08);
  overflow: hidden;
}
.page-privacy__trust::before {
  content: "";
  position: absolute;
  inset: 0 0 auto;
  height: 3px;
  background: var(--gradient);
}
.page-privacy__trust-title {
  margin-bottom: 10px;
  font-family: var(--font-heading);
  font-size: 20px;
}
.page-privacy__trust-desc {
  margin: 0;
  max-width: 56em;
  font-size: 15px;
  line-height: 1.75;
  color: var(--text-secondary);
}
.page-privacy__related {
  margin-top: 16px;
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--privacy-grid-gap);
}
.page-privacy__related-card {
  position: relative;
  display: grid;
  grid-template-columns: 1fr auto;
  grid-template-rows: auto auto auto;
  gap: 4px 12px;
  padding: 22px 24px;
  background: var(--bg-card);
  border: 1px solid var(--glass-strong);
  border-radius: var(--radius);
  text-decoration: none;
  overflow: hidden;
  transition: transform 0.22s ease, border-color 0.22s ease, box-shadow 0.22s ease;
}
.page-privacy__related-card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--gradient);
  opacity: 0;
  transition: opacity 0.22s ease;
}
.page-privacy__related-card:hover,
.page-privacy__related-card:focus-visible {
  transform: translateY(-3px);
  border-color: rgba(255, 107, 53, 0.45);
  box-shadow: 0 14px 30px rgba(0, 0, 0, 0.25);
  outline: none;
}
.page-privacy__related-card:hover::before,
.page-privacy__related-card:focus-visible::before {
  opacity: 1;
}
.page-privacy__related-label {
  grid-column: 1;
  align-self: end;
  font-size: 12px;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  color: var(--accent-teal);
}
.page-privacy__related-title {
  grid-column: 1;
  font-family: var(--font-heading);
  font-size: 22px;
  color: var(--text-primary);
}
.page-privacy__related-desc {
  grid-column: 1;
  font-size: 14px;
  line-height: 1.65;
  color: var(--text-secondary);
}
.page-privacy__related-arrow {
  grid-column: 2;
  grid-row: 1 / span 3;
  align-self: center;
  font-size: 26px;
  color: var(--accent-orange);
  transition: transform 0.22s ease;
}
.page-privacy__related-card:hover .page-privacy__related-arrow {
  transform: translateX(4px);
}

/* ===== 返回顶部 ===== */
.page-privacy__back {
  margin-top: 32px;
  text-align: center;
}
.page-privacy__back-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 999px;
  background: var(--glass);
  border: 1px solid var(--glass-strong);
  color: var(--text-secondary);
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
  transition: color 0.2s ease, border-color 0.2s ease;
}
.page-privacy__back-link::before {
  content: "↑";
  font-size: 15px;
  color: var(--accent-orange);
}
.page-privacy__back-link:hover {
  color: var(--text-primary);
  border-color: rgba(255, 107, 53, 0.55);
}

/* ===== 动画 ===== */
@keyframes privacySectionGlow {
  0% {
    background-color: rgba(255, 107, 53, 0.12);
  }
  100% {
    background-color: transparent;
  }
}

/* ===== 窄屏横幅微调 ===== */
@media (max-width: 639px) {
  .page-privacy__banner-img {
    height: 120px;
  }
}

/* ===== 中屏：双列卡片 ===== */
@media (min-width: 760px) {
  .page-privacy__collect-list {
    grid-template-columns: 1fr 1fr;
  }
  .page-privacy__collect-item--wide {
    grid-column: 1 / -1;
  }
  .page-privacy__protect-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-privacy__rights-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-privacy__rights-item--full {
    grid-column: 1 / -1;
  }
  .page-privacy__scope-grid {
    grid-template-columns: 1fr 1fr;
  }
  .page-privacy__related {
    grid-template-columns: 1fr 1fr;
  }
}

/* ===== 桌面：粘性侧边目录 ===== */
@media (min-width: 1024px) {
  .page-privacy__layout {
    display: grid;
    grid-template-columns: 264px minmax(0, 1fr);
    gap: clamp(36px, 5vw, 64px);
    align-items: start;
    padding-top: 48px;
  }
  .page-privacy__toc {
    position: sticky;
    top: calc(var(--header-h) + 24px);
    margin-bottom: 0;
  }
  .page-privacy__toc-nav {
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
  }
  .page-privacy__toc-link {
    justify-content: flex-start;
    padding: 10px 14px;
    border-radius: 10px;
  }
  .page-privacy__toc-note {
    margin-top: 16px;
    padding-top: 14px;
    border-top: 1px dashed rgba(255, 255, 255, 0.1);
  }
  .page-privacy__section {
    padding: 52px 0 12px;
  }
  .page-privacy__section:first-child {
    padding-top: 10px;
  }
}

/* ===== 减少动态效果 ===== */
@media (prefers-reduced-motion: reduce) {
  .page-privacy {
    scroll-behavior: auto;
  }
  .page-privacy__toc-link,
  .page-privacy__collect-item,
  .page-privacy__related-card,
  .page-privacy__back-link,
  .page-privacy__inline-link {
    transition: none;
  }
  .page-privacy__section:target {
    animation: none;
  }
}