.page-privacy {
  --pv-rail-w: 236px;
  color: var(--text);
  background-color: var(--ink);
}

/* ---------- 顶部声明区 ---------- */
.page-privacy .pv-hero {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background:
    radial-gradient(1100px 380px at 88% -12%, rgba(0, 229, 200, 0.10), transparent 70%),
    radial-gradient(680px 300px at 2% 112%, rgba(139, 107, 255, 0.11), transparent 70%),
    var(--ink);
}

.page-privacy .pv-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    linear-gradient(to right, rgba(38, 52, 77, 0.55) 1px, transparent 1px),
    linear-gradient(to bottom, rgba(38, 52, 77, 0.55) 1px, transparent 1px);
  background-size: 80px 80px;
  -webkit-mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 100%);
  mask-image: linear-gradient(to bottom, #000 0%, rgba(0, 0, 0, 0.35) 55%, transparent 100%);
  pointer-events: none;
}

.page-privacy .pv-hero__inner {
  position: relative;
  z-index: 1;
  padding-block: var(--sp-5) var(--sp-7);
}

.page-privacy .breadcrumb {
  margin-bottom: var(--sp-5);
  font-size: 12px;
}

.page-privacy .pv-hero__grid {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}

.page-privacy .eyebrow {
  margin: 0 0 var(--sp-3);
}

.page-privacy .pv-hero h1 {
  margin: 0 0 var(--sp-4);
  font-size: clamp(28px, 7.2vw, 56px);
  line-height: 1.14;
  letter-spacing: -0.015em;
  font-weight: 800;
  color: var(--text);
  text-wrap: balance;
}

.page-privacy .pv-hero .lede {
  margin: 0;
  max-width: 60ch;
  color: var(--dim);
}

/* 速览面板 */
.page-privacy .pv-meta {
  align-self: end;
  border: 1px solid var(--line);
  border-left: 2px solid var(--cyan);
  background: linear-gradient(180deg, rgba(22, 35, 58, 0.92), rgba(16, 27, 46, 0.92));
  padding: var(--sp-3) var(--sp-4) var(--sp-2);
}

.page-privacy .pv-meta__title {
  margin: 0 0 var(--sp-2);
  color: var(--muted);
}

.page-privacy .pv-meta__row {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 4px var(--sp-3);
  padding: 10px 0;
  border-bottom: 1px solid var(--line-soft);
  font-size: 13px;
  line-height: 1.6;
}

.page-privacy .pv-meta__row:last-child {
  border-bottom: 0;
}

.page-privacy .pv-meta__key {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

.page-privacy .pv-meta__val {
  color: var(--text);
  word-break: break-all;
  text-align: right;
}

/* ---------- 通栏视觉 ---------- */
.page-privacy .pv-banner {
  border-bottom: 1px solid var(--line);
  background: var(--panel);
}

.page-privacy .pv-banner__media {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-banner__media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: repeating-linear-gradient(
    to bottom,
    rgba(10, 18, 32, 0) 0,
    rgba(10, 18, 32, 0) 3px,
    rgba(10, 18, 32, 0.16) 4px
  );
  pointer-events: none;
}

.page-privacy .pv-banner img {
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
}

.page-privacy .pv-banner__caption {
  max-width: 1200px;
  margin: 0 auto;
  padding: 10px var(--gutter);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.08em;
  color: var(--muted);
}

/* ---------- 正文骨架 ---------- */
.page-privacy .pv-body {
  padding-block: var(--sp-6) var(--sp-8);
}

.page-privacy .pv-layout {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--sp-5);
}

/* ---------- 章节索引（移动端为横向滑动条） ---------- */
.page-privacy .pv-rail {
  border: 1px solid var(--line);
  background: var(--panel);
  padding: var(--sp-3);
}

.page-privacy .pv-rail__title {
  margin: 0 0 var(--sp-2);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--muted);
}

.page-privacy .pv-rail__list {
  display: flex;
  flex-direction: row;
  gap: 8px;
  margin: 0;
  padding: 0 0 4px;
  list-style: none;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}

.page-privacy .pv-rail__link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  color: var(--dim);
  font-size: 13px;
  line-height: 1.4;
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.page-privacy .pv-rail__num {
  font-family: var(--font-mono);
  font-size: 11px;
  color: var(--cyan);
}

.page-privacy .pv-rail__link:hover,
.page-privacy .pv-rail__link:focus-visible {
  color: var(--text);
  border-color: var(--cyan);
  background: rgba(0, 229, 200, 0.07);
}

.page-privacy .pv-rail__link:focus-visible,
.page-privacy .pv-details > summary:focus-visible,
.page-privacy .pv-related a:focus-visible,
.page-privacy .pv-backtop a:focus-visible {
  outline: 2px solid var(--cyan);
  outline-offset: 2px;
}

/* ---------- 条款正文 ---------- */
.page-privacy .pv-doc {
  max-width: 700px;
}

.page-privacy .pv-clause {
  padding-block: var(--sp-6);
  border-top: 1px solid var(--line);
  scroll-margin-top: calc(var(--bar-h) + 24px);
}

.page-privacy .pv-clause:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pv-clause__head {
  display: grid;
  grid-template-columns: 42px minmax(0, 1fr);
  gap: var(--sp-2);
  align-items: baseline;
  margin-bottom: var(--sp-4);
}

.page-privacy .pv-num {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--cyan);
}

.page-privacy .pv-clause__head .h-section {
  margin: 0;
  font-size: clamp(20px, 4.6vw, 26px);
  line-height: 1.3;
  color: var(--text);
}

.page-privacy .pv-clause p {
  margin: 0 0 var(--sp-3);
  font-size: 15px;
  line-height: 1.85;
  color: var(--dim);
}

.page-privacy .pv-sub {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin: var(--sp-5) 0 var(--sp-2);
  font-size: 15px;
  font-weight: 600;
  color: var(--text);
}

.page-privacy .pv-sub::before {
  content: "";
  flex: none;
  width: 16px;
  height: 1px;
  background: var(--cyan);
}

.page-privacy .pv-list {
  display: grid;
  gap: 9px;
  margin: 0 0 var(--sp-4);
  padding: 0;
  list-style: none;
}

.page-privacy .pv-list li {
  position: relative;
  padding-left: 18px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--dim);
}

.page-privacy .pv-list li::before {
  content: "";
  position: absolute;
  left: 1px;
  top: 0.72em;
  width: 6px;
  height: 6px;
  border: 1px solid var(--cyan);
  transform: rotate(45deg);
}

.page-privacy .pv-list--strong li::before {
  border-color: var(--violet);
}

.page-privacy .pv-list li strong {
  color: var(--text);
  font-weight: 600;
}

/* 关键条款提示块 */
.page-privacy .pv-note {
  margin: var(--sp-4) 0;
  padding: var(--sp-3) var(--sp-4);
  border-left: 3px solid var(--cyan);
  background: rgba(0, 229, 200, 0.06);
  font-size: 14px;
  line-height: 1.8;
  color: var(--dim);
}

.page-privacy .pv-note--warn {
  border-left-color: var(--orange);
  background: rgba(255, 107, 44, 0.07);
}

/* 可展开细则 */
.page-privacy .pv-details {
  margin: var(--sp-4) 0;
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-privacy .pv-details > summary {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-3) var(--sp-4);
  font-size: 14px;
  color: var(--dim);
  cursor: pointer;
  list-style: none;
  transition: color var(--t-fast) var(--ease), background-color var(--t-fast) var(--ease);
}

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

.page-privacy .pv-details > summary::before {
  content: "+";
  font-family: var(--font-mono);
  font-size: 15px;
  line-height: 1;
  color: var(--cyan);
}

.page-privacy .pv-details[open] > summary::before {
  content: "\2013";
}

.page-privacy .pv-details > summary:hover {
  color: var(--text);
  background: var(--panel-2);
}

.page-privacy .pv-details__body {
  padding: var(--sp-3) var(--sp-4) var(--sp-2);
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pv-details__body .pv-list {
  margin-bottom: var(--sp-2);
}

/* 联系信息块 */
.page-privacy .pv-contact {
  display: grid;
  gap: 0;
  margin: var(--sp-4) 0 var(--sp-5);
  border: 1px solid var(--line);
  background: var(--panel);
}

.page-privacy .pv-contact__row {
  display: grid;
  gap: 4px;
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--line-soft);
}

.page-privacy .pv-contact__row:last-child {
  border-bottom: 0;
}

.page-privacy .pv-contact .mono-label {
  color: var(--muted);
}

.page-privacy .pv-contact__val {
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--text);
  word-break: break-word;
}

/* 相关页面 */
.page-privacy .pv-related {
  margin: var(--sp-5) 0 0;
  padding-top: var(--sp-4);
  border-top: 1px dashed var(--line);
  font-size: 14px;
  line-height: 1.9;
  color: var(--muted);
}

.page-privacy .pv-related a {
  color: var(--text);
  text-decoration: none;
  border-bottom: 1px solid var(--cyan);
  transition: color var(--t-fast) var(--ease);
}

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

/* 返回顶部 */
.page-privacy .pv-backtop {
  margin: var(--sp-6) 0 0;
}

.page-privacy .pv-backtop a {
  display: inline-block;
  padding: 9px 18px;
  border: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: 0.08em;
  color: var(--dim);
  text-decoration: none;
  transition: color var(--t-fast) var(--ease), border-color var(--t-fast) var(--ease),
    background-color var(--t-fast) var(--ease);
}

.page-privacy .pv-backtop a:hover {
  color: var(--ink);
  border-color: var(--cyan);
  background: var(--cyan);
}

/* ---------- 平板 ---------- */
@media (min-width: 768px) {
  .page-privacy .pv-hero__inner {
    padding-block: var(--sp-6) var(--sp-8);
  }

  .page-privacy .pv-contact__row {
    grid-template-columns: 140px minmax(0, 1fr);
    align-items: baseline;
    gap: var(--sp-3);
  }

  .page-privacy .pv-meta__row {
    flex-wrap: nowrap;
  }
}

/* ---------- 桌面：左侧固定索引 + 右侧长文 ---------- */
@media (min-width: 1024px) {
  .page-privacy .pv-hero__grid {
    grid-template-columns: minmax(0, 1.6fr) minmax(300px, 1fr);
    gap: var(--sp-7);
    align-items: end;
  }

  .page-privacy .pv-layout {
    grid-template-columns: var(--pv-rail-w) minmax(0, 1fr);
    gap: var(--sp-8);
    align-items: start;
  }

  .page-privacy .pv-rail {
    position: sticky;
    top: calc(var(--bar-h) + 28px);
    max-height: calc(100vh - var(--bar-h) - 56px);
    overflow-y: auto;
    border: 0;
    border-left: 1px solid var(--line);
    background: transparent;
    padding: 0 0 0 var(--sp-4);
  }

  .page-privacy .pv-rail__title {
    padding-bottom: var(--sp-2);
    margin-bottom: var(--sp-3);
    border-bottom: 1px solid var(--line);
  }

  .page-privacy .pv-rail__list {
    flex-direction: column;
    gap: 0;
    overflow: visible;
    padding-bottom: 0;
  }

  .page-privacy .pv-rail__link {
    display: grid;
    grid-template-columns: 30px minmax(0, 1fr);
    gap: 10px;
    align-items: baseline;
    white-space: normal;
    border: 0;
    border-left: 2px solid transparent;
    padding: 9px 10px;
    font-size: 14px;
  }

  .page-privacy .pv-rail__link:hover,
  .page-privacy .pv-rail__link:focus-visible {
    border-left-color: var(--cyan);
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
  }

  .page-privacy .pv-clause {
    padding-block: var(--sp-7);
  }

  .page-privacy .pv-num {
    font-size: 14px;
  }
}

/* ---------- 动效降级 ---------- */
@media (prefers-reduced-motion: reduce) {
  .page-privacy .pv-rail__link,
  .page-privacy .pv-details > summary,
  .page-privacy .pv-backtop a,
  .page-privacy .pv-related a {
    transition: none;
  }
}
<<<END>>>