.page-privacy {
  --pv-measure: 760px;
  color: var(--body);
}

/* ---------- 首屏 ---------- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  padding: clamp(18px, 3vw, 30px) 0 clamp(30px, 5vw, 60px);
  border-bottom: 1px solid var(--line);
}
.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background:
    radial-gradient(120% 100% at 88% -10%, rgba(53, 242, 164, .16), transparent 58%),
    radial-gradient(90% 80% at 0% 110%, rgba(255, 122, 47, .1), transparent 60%),
    repeating-linear-gradient(90deg, rgba(38, 52, 77, .5) 0 1px, transparent 1px 72px);
}
.page-privacy .pv-hero__inner {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(22px, 4vw, 40px);
  align-items: end;
}
.page-privacy .breadcrumb {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 0 0 18px;
  padding: 0;
  list-style: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}
.page-privacy .breadcrumb li {
  display: flex;
  align-items: center;
  gap: 8px;
}
.page-privacy .breadcrumb li + li::before {
  content: "/";
  color: var(--line);
}
.page-privacy .breadcrumb a {
  color: var(--steel);
  text-decoration: none;
  border-bottom: 1px solid transparent;
}
.page-privacy .breadcrumb a:hover,
.page-privacy .breadcrumb a:focus-visible {
  color: var(--cyan);
  border-bottom-color: currentColor;
}
.page-privacy .pv-hero h1 {
  margin: 0 0 16px;
  font-size: clamp(30px, 5.4vw, 54px);
  line-height: 1.08;
  letter-spacing: -.03em;
  font-weight: 900;
  color: var(--paper);
}
.page-privacy .pv-lede {
  max-width: 58ch;
  margin: 0 0 20px;
  font-size: clamp(16px, 1.4vw, 18px);
  line-height: 1.8;
  color: var(--body);
}
.page-privacy .pv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 22px;
  margin: 0;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--steel);
}
.page-privacy .pv-hero__fig {
  margin: 0;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--hull);
}
.page-privacy .pv-hero__fig img {
  display: block;
  width: 100%;
  height: clamp(180px, 24vw, 290px);
  object-fit: cover;
}
.page-privacy .pv-hero__fig .figure__cap {
  margin: 0;
  padding: 10px 14px;
  border-top: 1px solid var(--line);
  font-size: 12px;
  line-height: 1.6;
  color: var(--steel);
}
@media (min-width: 900px) {
  .page-privacy .pv-hero__inner {
    grid-template-columns: minmax(0, 1.45fr) minmax(0, .9fr);
  }
}

/* ---------- 要点摘要卡 ---------- */
.page-privacy .pv-index {
  margin-top: clamp(26px, 4vw, 46px);
  padding: clamp(18px, 2.8vw, 30px);
  border: 1px solid var(--line);
  border-left: 4px solid var(--neon);
  border-radius: var(--radius);
  background: var(--hull);
}
.page-privacy .pv-index__title {
  margin: 0 0 6px;
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--paper);
}
.page-privacy .pv-index__sub {
  margin: 0 0 18px;
  font-size: 13px;
  color: var(--steel);
}
.page-privacy .pv-index__list {
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-privacy .pv-index__list > li {
  display: flex;
}
.page-privacy .pv-index__link {
  display: flex;
  gap: 12px;
  align-items: flex-start;
  width: 100%;
  padding: 12px 14px;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  background: var(--space);
  color: var(--body);
  text-decoration: none;
  transition: transform .15s ease, border-color .15s ease, background-color .15s ease;
}
.page-privacy .pv-index__link:hover,
.page-privacy .pv-index__link:focus-visible {
  transform: translateY(-2px);
  border-color: var(--neon);
  background: var(--glass);
}
.page-privacy .pv-index__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}
.page-privacy .pv-index__no {
  flex: none;
  padding-top: 2px;
  font-family: var(--mono);
  font-size: 13px;
  font-weight: 600;
  color: var(--neon);
}
.page-privacy .pv-index__txt {
  font-size: 14px;
  line-height: 1.65;
}
@media (min-width: 560px) {
  .page-privacy .pv-index__list {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}
@media (min-width: 1024px) {
  .page-privacy .pv-index__list {
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
}

/* ---------- 阅读主体 ---------- */
.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: clamp(30px, 5vw, 64px);
  max-width: 1120px;
  padding: clamp(34px, 6vw, 72px) 0 clamp(38px, 7vw, 88px);
}
.page-privacy .pv-body {
  min-width: 0;
}
.page-privacy .pv-sec {
  scroll-margin-top: calc(var(--cmd-h) + 24px);
  border-top: 4px solid var(--neon);
}
.page-privacy .pv-sec + .pv-sec {
  margin-top: clamp(22px, 3vw, 36px);
}
.page-privacy .pv-sec:nth-of-type(even) {
  border-top-color: var(--orange);
}
.page-privacy .pv-sec__sum {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: clamp(16px, 2.4vw, 24px) 0 clamp(12px, 1.8vw, 18px);
  cursor: pointer;
  list-style: none;
}
.page-privacy .pv-sec__sum::-webkit-details-marker {
  display: none;
}
.page-privacy .pv-sec__sum:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 4px;
}
.page-privacy .pv-sec__no {
  flex: none;
  padding-left: 10px;
  border-left: 2px solid currentColor;
  font-family: var(--mono);
  font-size: 15px;
  font-weight: 700;
  line-height: 1;
  color: var(--neon);
}
.page-privacy .pv-sec:nth-of-type(even) .pv-sec__no {
  color: var(--orange);
}
.page-privacy .pv-sec__title {
  flex: 1;
  margin: 0;
  font-size: clamp(20px, 2.6vw, 28px);
  line-height: 1.25;
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--paper);
}
.page-privacy .pv-sec__chev {
  flex: none;
  width: 10px;
  height: 10px;
  margin-top: -5px;
  border-right: 2px solid var(--steel);
  border-bottom: 2px solid var(--steel);
  transform: rotate(45deg);
  transition: transform .2s ease, border-color .2s ease;
}
.page-privacy .pv-sec[open] .pv-sec__chev {
  margin-top: 4px;
  transform: rotate(-135deg);
  border-color: var(--neon);
}
.page-privacy .pv-sec__sum:hover .pv-sec__chev {
  border-color: var(--neon);
}
.page-privacy .pv-sec__body {
  max-width: var(--pv-measure);
  padding-bottom: clamp(10px, 1.6vw, 16px);
}

/* 暖纸白阅读层 */
.page-privacy .pv-card {
  padding: clamp(20px, 3vw, 34px);
  border-radius: var(--radius);
  background: var(--paper);
  color: var(--ink);
  box-shadow: var(--shadow);
}
.page-privacy .pv-card > p {
  margin: 0 0 20px;
  font-size: 16px;
  line-height: 1.78;
}
.page-privacy .pv-card > p:last-child {
  margin-bottom: 0;
}
.page-privacy .pv-card .num {
  font-family: var(--mono);
  font-weight: 600;
  color: var(--ink);
}
.page-privacy .pv-group + .pv-group {
  margin-top: 24px;
  padding-top: 20px;
  border-top: 1px solid rgba(12, 20, 36, .14);
}
.page-privacy .pv-group__title {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin: 0 0 12px;
  font-size: 14px;
  font-weight: 700;
  letter-spacing: .04em;
  color: var(--ink);
}
.page-privacy .pv-group__title::before {
  content: "";
  width: 3px;
  height: 14px;
  background: var(--neon);
}
.page-privacy .pv-list {
  display: grid;
  gap: 13px;
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-privacy .pv-list li {
  position: relative;
  padding-left: 20px;
  font-size: 16px;
  line-height: 1.75;
  color: var(--ink);
}
.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 0;
  top: .72em;
  width: 12px;
  height: 2px;
  background: var(--neon);
}
.page-privacy .pv-list strong {
  font-weight: 700;
}
.page-privacy .pv-list a {
  color: #0A6B4A;
  text-decoration: underline;
  text-underline-offset: 3px;
}
.page-privacy .pv-list a:hover,
.page-privacy .pv-list a:focus-visible {
  color: var(--ink);
  background: rgba(53, 242, 164, .35);
}

/* ---------- 右侧刻度索引 ---------- */
.page-privacy .pv-rail {
  display: none;
}
.page-privacy .pv-rail__list {
  display: grid;
  gap: 16px;
  margin: 0;
  padding: 0 0 0 18px;
  list-style: none;
  border-left: 1px solid var(--line);
}
.page-privacy .pv-rail__link {
  display: flex;
  gap: 10px;
  align-items: baseline;
  font-size: 13px;
  line-height: 1.5;
  color: var(--steel);
  text-decoration: none;
  transition: color .15s ease;
}
.page-privacy .pv-rail__link:hover,
.page-privacy .pv-rail__link:focus-visible {
  color: var(--paper);
}
.page-privacy .pv-rail__link:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 3px;
}
.page-privacy .pv-rail__no {
  font-family: var(--mono);
  font-size: 12px;
  color: var(--neon);
  opacity: .8;
}
@media (min-width: 1100px) {
  .page-privacy .pv-layout {
    grid-template-columns: minmax(0, var(--pv-measure)) minmax(180px, 1fr);
  }
  .page-privacy .pv-rail {
    display: block;
    align-self: start;
    position: sticky;
    top: calc(var(--cmd-h) + 32px);
  }
}

/* ---------- 底部延伸入口 ---------- */
.page-privacy .pv-tail {
  padding: clamp(28px, 4vw, 50px) 0 clamp(40px, 6vw, 72px);
  border-top: 1px solid var(--line);
}
.page-privacy .pv-tail__title {
  margin: 0 0 10px;
  font-size: clamp(19px, 2.2vw, 24px);
  letter-spacing: -.02em;
  font-weight: 800;
  color: var(--paper);
}
.page-privacy .pv-tail__note {
  max-width: 74ch;
  margin: 0 0 20px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--steel);
}
.page-privacy .pv-tail__links {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}
```
### 阅读体验与信息架构解析

这份页面把隐私声明做成了既好读又好找的形态，下面从几个角度说说它具体是怎么组织的。

- **深色基底与高亮节奏**：整页以深蓝黑打底，用荧光绿和电光橙做章节分界与状态提示，既保持数据舱的冷静感，又让每个章节的起点一目了然。
- **顶部摘要卡做快速导航**：六条要点用等宽数字编号，点击即可跳到对应段落，适合在手机上快速定位到关心的内容。
- **可折叠的阅读主体**：六段说明默认展开，但保留折叠交互，后续如果内容增多，访客也能自行收起不关心的部分，让页面更轻。
- **暖纸白卡片承载正文**：所有长段落都放在暖白背景的卡片里，与深色环境形成对比，降低长时间阅读的疲劳感。
- **右侧刻度索引**：桌面端有一列固定在右侧的章节索引，滚动时能清楚知道自己停在哪个部分，方便反复查阅。
- **结尾的继续了解入口**：底部把使用指南、网站声明等页面串起来，让隐私说明不孤立，访客想进一步了解时有清晰的下一步。
---

**优化建议：** 页面首屏的抽象纹理图使用了占位协议，上线前可以替换为符合“深色数据流”风格的正式图片，避免图片加载失败影响视觉效果。