.page-privacy {
  --prv-w: 720px;
  --prv-gutter: 88px;
  --prv-line: var(--grid-line);
  --prv-soft: var(--grid-soft);
  scroll-behavior: smooth;
}

/* ---------- 面包屑 ---------- */
.page-privacy .prv-crumbs {
  padding-top: 20px;
  padding-bottom: 4px;
}

/* ---------- 首屏 ---------- */
.page-privacy .prv-hero {
  position: relative;
  padding-top: clamp(20px, 4vw, 44px);
}

.page-privacy .prv-hero::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 1px;
  background: linear-gradient(90deg, transparent 0%, var(--cyan-dim) 16%, var(--violet-dim) 58%, transparent 100%);
  opacity: 0.75;
}

.page-privacy .prv-hero__inner {
  max-width: var(--prv-w);
}

.page-privacy .prv-title {
  margin: 16px 0 0;
  font-size: clamp(27px, 5vw, 50px);
  line-height: 1.16;
  letter-spacing: 0.045em;
  font-weight: 700;
  color: var(--text);
}

.page-privacy .prv-lede {
  margin: 20px 0 0;
  max-width: 40em;
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-dim);
}

.page-privacy .prv-hero__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 14px 30px;
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .prv-hero__meta li {
  display: flex;
  flex-direction: column;
  gap: 5px;
  padding-left: 13px;
  border-left: 1px solid var(--cyan-dim);
}

.page-privacy .prv-hero__meta .mono {
  font-size: 18px;
  letter-spacing: 0.06em;
  color: var(--cyan);
}

.page-privacy .prv-hero__meta em {
  font-style: normal;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-faint);
}

/* ---------- 首屏横幅图 ---------- */
.page-privacy .prv-fig {
  position: relative;
  margin: clamp(28px, 5vw, 56px) 0 0;
  border-top: 1px solid var(--prv-line);
  border-bottom: 1px solid var(--prv-line);
  overflow: hidden;
}

.page-privacy .prv-fig img {
  display: block;
  width: 100%;
  height: clamp(180px, 30vw, 400px);
  object-fit: cover;
  opacity: 0.86;
}

.page-privacy .prv-fig::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: linear-gradient(180deg, rgba(5, 7, 12, 0.12) 0%, rgba(5, 7, 12, 0.76) 100%);
}

.page-privacy .prv-fig__cap {
  position: absolute;
  left: clamp(16px, 4vw, 40px);
  right: clamp(16px, 4vw, 40px);
  bottom: 16px;
  z-index: 1;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--text-dim);
}

/* ---------- 章节索引 ---------- */
.page-privacy .prv-jump {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 26px;
  margin: clamp(24px, 4vw, 42px) 0 0;
  padding: 16px 0;
  border-top: 1px solid var(--prv-line);
  border-bottom: 1px solid var(--prv-line);
}

.page-privacy .prv-jump a {
  display: inline-flex;
  align-items: baseline;
  gap: 8px;
  font-size: 13px;
  color: var(--text-dim);
  text-decoration: none;
  padding-bottom: 3px;
  border-bottom: 1px solid transparent;
  transition: color var(--t) linear, border-color var(--t) linear;
}

.page-privacy .prv-jump a:hover,
.page-privacy .prv-jump a:focus-visible {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

.page-privacy .prv-jump .mono {
  font-size: 11px;
  letter-spacing: 0.14em;
  color: var(--cyan-dim);
}

/* ---------- 章节列表 ---------- */
.page-privacy .prv-doc {
  padding-bottom: clamp(48px, 8vw, 96px);
}

.page-privacy .prv-list {
  list-style: none;
  margin: 0;
  padding: 0;
  border-bottom: 1px solid var(--prv-line);
}

.page-privacy .prv-item {
  position: relative;
  display: grid;
  grid-template-columns: 1fr;
  gap: 10px;
  padding: clamp(26px, 4vw, 46px) 0;
  border-top: 1px solid var(--prv-line);
  scroll-margin-top: calc(var(--header-h) + 28px);
}

.page-privacy .prv-item::after {
  content: "";
  position: absolute;
  top: -3px;
  right: 0;
  width: 5px;
  height: 5px;
  background: var(--cyan-dim);
  transform: rotate(45deg);
}

.page-privacy .prv-item__gutter {
  position: relative;
}

.page-privacy .prv-item__num {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.2em;
  color: var(--cyan);
  text-decoration: none;
  transition: color var(--t) linear;
}

.page-privacy .prv-item__num:hover {
  color: var(--cyan-mist);
}

.page-privacy .prv-item__body {
  max-width: 44em;
}

.page-privacy .prv-item__body h2 {
  margin: 0;
  font-size: clamp(19px, 2.4vw, 25px);
  font-weight: 600;
  line-height: 1.42;
  letter-spacing: 0.07em;
  color: var(--text);
}

.page-privacy .prv-item__body > p {
  margin: 14px 0 0;
  font-size: 15px;
  line-height: 1.95;
  color: var(--text-dim);
}

.page-privacy .prv-item:target .prv-item__num,
.page-privacy .prv-item:target .prv-item__body h2 {
  color: var(--cyan-mist);
}

/* ---------- 事实条目 ---------- */
.page-privacy .prv-facts {
  list-style: none;
  margin: 22px 0 0;
  padding: 0;
}

.page-privacy .prv-facts > li {
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--prv-soft);
  font-size: 14.5px;
  line-height: 1.85;
}

.page-privacy .prv-facts > li:first-child {
  border-top: 1px solid var(--prv-soft);
}

.page-privacy .prv-facts__k {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text);
}

.page-privacy .prv-facts__v {
  color: var(--text-dim);
}

.page-privacy .prv-facts__v a,
.page-privacy .prv-item__body > p a {
  color: var(--cyan-mist);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
  transition: color var(--t) linear, border-color var(--t) linear;
}

.page-privacy .prv-facts__v a:hover,
.page-privacy .prv-item__body > p a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 提示块 ---------- */
.page-privacy .prv-aside {
  margin: 20px 0 0;
  padding: 14px 16px;
  border-left: 2px solid var(--orange);
  background: rgba(255, 122, 47, 0.07);
  font-size: 14px;
  line-height: 1.85;
  color: var(--text-dim);
}

.page-privacy .prv-path {
  margin: 22px 0 0;
  padding-top: 18px;
  border-top: 1px solid var(--prv-soft);
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-dim);
}

/* ---------- 步骤折叠 ---------- */
.page-privacy .prv-steps {
  margin: 22px 0 0;
  border: 1px solid var(--prv-line);
}

.page-privacy .prv-step + .prv-step {
  border-top: 1px solid var(--prv-line);
}

.page-privacy .prv-step > summary {
  display: flex;
  align-items: baseline;
  gap: 14px;
  padding: 15px 18px;
  cursor: pointer;
  list-style: none;
  font-size: 14.5px;
  line-height: 1.7;
  letter-spacing: 0.03em;
  color: var(--text);
  transition: background-color var(--t) linear, color var(--t) linear;
}

.page-privacy .prv-step > summary::-webkit-details-marker {
  display: none;
}

.page-privacy .prv-step > summary::after {
  content: "＋";
  margin-left: auto;
  font-size: 13px;
  color: var(--cyan-dim);
  transition: color var(--t) linear;
}

.page-privacy .prv-step[open] > summary::after {
  content: "－";
  color: var(--cyan);
}

.page-privacy .prv-step > summary:hover {
  background: rgba(53, 230, 214, 0.05);
  color: var(--cyan-mist);
}

.page-privacy .prv-step .mono {
  font-size: 11px;
  letter-spacing: 0.16em;
  color: var(--cyan-dim);
}

.page-privacy .prv-step p {
  margin: 0;
  padding: 0 18px 18px 18px;
  font-size: 14.5px;
  line-height: 1.9;
  color: var(--text-dim);
}

.page-privacy .prv-step p a {
  color: var(--cyan-mist);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan-dim);
}

/* ---------- 相关页面 ---------- */
.page-privacy .prv-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 22px;
  margin-top: 26px;
  padding-top: 18px;
  border-top: 1px solid var(--prv-soft);
}

.page-privacy .prv-links a {
  font-size: 13.5px;
  color: var(--text-dim);
  text-decoration: none;
  padding-bottom: 2px;
  border-bottom: 1px solid var(--grid-line);
  transition: color var(--t) linear, border-color var(--t) linear;
}

.page-privacy .prv-links a:hover {
  color: var(--cyan);
  border-bottom-color: var(--cyan);
}

/* ---------- 中屏以上 ---------- */
@media (min-width: 640px) {
  .page-privacy .prv-facts > li {
    grid-template-columns: 130px minmax(0, 1fr);
    gap: 22px;
    align-items: baseline;
  }

  .page-privacy .prv-step p {
    padding: 0 22px 20px 56px;
  }
}

/* ---------- 桌面两栏，编号入左侧留白 ---------- */
@media (min-width: 960px) {
  .page-privacy .prv-item {
    grid-template-columns: var(--prv-gutter) minmax(0, 1fr);
    gap: clamp(20px, 3vw, 44px);
  }

  .page-privacy .prv-item__gutter {
    text-align: right;
    padding-right: 22px;
    border-right: 1px solid var(--prv-soft);
  }

  .page-privacy .prv-item__num {
    padding-top: 4px;
  }

  .page-privacy .prv-jump {
    gap: 12px 34px;
  }
}
<<<END>>>