.page-privacy {
  --pp-rail-w: 148px;
  --pp-col-gap: clamp(28px, 4vw, 72px);
  --pp-item-space: clamp(40px, 6vw, 76px);
  background:
    radial-gradient(1100px 520px at 88% -6%, rgba(198, 242, 74, .06), transparent 62%),
    radial-gradient(900px 480px at 4% 14%, rgba(242, 169, 59, .05), transparent 64%);
  color: var(--text);
}

/* ---------- 顶部条纹带 ---------- */
.page-privacy .pp-band {
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--line);
  background: var(--ink-deep);
  isolation: isolate;
}

.page-privacy .pp-band__bg {
  position: absolute;
  inset: 0;
  z-index: 0;
}

.page-privacy .pp-band__bg img {
  display: block;
  width: 100%;
  height: 100%;
  object-fit: cover;
  object-position: center 40%;
  opacity: .42;
}

.page-privacy .pp-band__bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(5, 18, 15, .58) 0%, rgba(5, 18, 15, .88) 58%, var(--ink) 100%);
}

.page-privacy .pp-band::before {
  content: "";
  position: absolute;
  inset: 0;
  z-index: 1;
  pointer-events: none;
  opacity: .3;
  background-image:
    linear-gradient(90deg, var(--line-soft) 1px, transparent 1px),
    linear-gradient(180deg, var(--line-soft) 1px, transparent 1px);
  background-size: 72px 72px;
  -webkit-mask-image: linear-gradient(180deg, transparent 0%, #000 70%);
  mask-image: linear-gradient(180deg, transparent 0%, #000 70%);
}

.page-privacy .pp-band__inner {
  position: relative;
  z-index: 2;
  padding-block: clamp(46px, 7vw, 88px) clamp(38px, 5vw, 66px);
}

.page-privacy .pp-crumbs {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 9px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--muted);
}

.page-privacy .pp-crumbs a {
  color: var(--muted);
  text-decoration: none;
  transition: color .12s var(--ease);
}

.page-privacy .pp-crumbs a:hover,
.page-privacy .pp-crumbs a:focus-visible {
  color: var(--lime);
}

.page-privacy .pp-crumbs__sep {
  color: var(--line);
}

.page-privacy .pp-crumbs [aria-current="page"] {
  color: var(--text-soft);
}

.page-privacy .pp-title {
  margin: clamp(18px, 2.4vw, 26px) 0 0;
  font-family: var(--font-display);
  font-size: clamp(38px, 7vw, 68px);
  font-weight: 900;
  line-height: 1.02;
  letter-spacing: .01em;
  color: var(--text);
}

.page-privacy .pp-title::after {
  content: "";
  display: block;
  width: 72px;
  height: 3px;
  margin-top: clamp(18px, 2.2vw, 26px);
  background: var(--amber);
}

.page-privacy .pp-lede {
  margin: clamp(18px, 2.2vw, 26px) 0 0;
  max-width: 56ch;
  font-size: clamp(15.5px, 1.5vw, 17px);
  line-height: 1.85;
  color: var(--text-soft);
}

/* ---------- 主体分栏 ---------- */
.page-privacy .pp-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(28px, 5vw, 52px);
  padding-block: clamp(36px, 6vw, 66px) clamp(64px, 9vw, 120px);
  align-items: start;
}

/* ---------- 左侧索引 ---------- */
.page-privacy .pp-rail {
  align-self: start;
}

.page-privacy .pp-rail__label {
  margin: 0;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--line);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .24em;
  color: var(--muted);
}

.page-privacy .pp-index {
  display: flex;
  flex-wrap: wrap;
  gap: 6px 20px;
  margin: 14px 0 0;
  padding: 0;
  list-style: none;
}

.page-privacy .pp-index a {
  display: flex;
  align-items: baseline;
  gap: 9px;
  font-size: 13px;
  line-height: 1.5;
  color: var(--muted);
  text-decoration: none;
  transition: color .12s var(--ease);
}

.page-privacy .pp-index a:hover,
.page-privacy .pp-index a:focus-visible {
  color: var(--lime-soft);
}

.page-privacy .pp-index .mono {
  font-family: var(--font-mono);
  font-size: 11.5px;
  letter-spacing: .08em;
  color: var(--amber);
}

/* ---------- 条目 ---------- */
.page-privacy .pp-item {
  scroll-margin-top: 96px;
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line-soft);
}

.page-privacy .pp-item:first-child {
  padding-top: 0;
  border-top: 0;
}

.page-privacy .pp-item + .pp-item {
  margin-top: var(--pp-item-space);
}

.page-privacy .pp-item__head {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  column-gap: 14px;
  align-items: baseline;
}

.page-privacy .pp-item__no {
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .1em;
  color: var(--amber);
  padding-top: 5px;
}

.page-privacy .pp-item__title {
  margin: 0;
  font-family: var(--font-display);
  font-size: clamp(21px, 2.6vw, 30px);
  font-weight: 700;
  line-height: 1.38;
  letter-spacing: .01em;
  color: var(--text);
}

.page-privacy .pp-item__body {
  margin-top: clamp(18px, 2.2vw, 24px);
}

.page-privacy .pp-item__body > p {
  margin: 0 0 17px;
  max-width: 70ch;
  font-size: 16px;
  line-height: 1.92;
  color: var(--text-soft);
}

.page-privacy .pp-item__body > p:last-child {
  margin-bottom: 0;
}

.page-privacy .pp-key {
  font-weight: 500;
  color: var(--text);
  text-decoration: underline;
  text-decoration-color: var(--lime);
  text-decoration-thickness: 1px;
  text-underline-offset: 5px;
}

/* ---------- 条目内的分项清单 ---------- */
.page-privacy .pp-list {
  display: grid;
  gap: 1px;
  margin: clamp(20px, 2.6vw, 26px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-privacy .pp-list > li {
  padding: 16px 18px;
  background: var(--panel-2);
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-privacy .pp-list__k {
  display: block;
  margin-bottom: 7px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  color: var(--lime);
}

/* ---------- 可展开长段 ---------- */
.page-privacy .pp-item__body .disclosure {
  margin-top: clamp(22px, 2.8vw, 28px);
}

.page-privacy .disclosure__body p {
  margin: 0 0 12px;
  max-width: 68ch;
  font-size: 15.5px;
  line-height: 1.88;
  color: var(--text-soft);
}

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

/* ---------- 联系渠道 ---------- */
.page-privacy .pp-contact {
  display: grid;
  gap: 1px;
  margin: clamp(22px, 2.8vw, 28px) 0 0;
  padding: 0;
  list-style: none;
  background: var(--line-soft);
  border: 1px solid var(--line);
}

.page-privacy .pp-contact > li {
  padding: 18px 20px;
  background: var(--panel);
}

.page-privacy .pp-contact__k {
  display: block;
  margin-bottom: 9px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .2em;
  color: var(--amber);
}

.page-privacy .pp-contact__v {
  display: block;
  font-family: var(--font-mono);
  font-size: clamp(15px, 1.7vw, 17px);
  line-height: 1.45;
  color: var(--text);
  overflow-wrap: anywhere;
}

.page-privacy .pp-contact__d {
  display: block;
  margin-top: 10px;
  font-size: 14.5px;
  line-height: 1.8;
  color: var(--muted);
}

.page-privacy .pp-contact__foot {
  margin-top: 18px;
  font-size: 15.5px;
  line-height: 1.85;
  color: var(--text-soft);
}

.page-privacy .pp-contact__foot a {
  color: var(--lime);
  text-decoration: underline;
  text-decoration-color: var(--line);
  text-underline-offset: 4px;
  transition: text-decoration-color .12s var(--ease);
}

.page-privacy .pp-contact__foot a:hover,
.page-privacy .pp-contact__foot a:focus-visible {
  text-decoration-color: var(--lime);
}

/* ---------- 相关页面 ---------- */
.page-privacy .pp-more {
  margin-top: clamp(52px, 7vw, 92px);
  padding-top: clamp(28px, 4vw, 44px);
  border-top: 1px solid var(--line);
}

.page-privacy .pp-more__title {
  margin: 0 0 clamp(18px, 2.4vw, 24px);
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 500;
  letter-spacing: .22em;
  color: var(--muted);
}

.page-privacy .pp-more__links {
  display: grid;
  gap: 1px;
  background: var(--line-soft);
  border: 1px solid var(--line-soft);
}

.page-privacy .pp-more__link {
  display: block;
  padding: 20px;
  background: var(--panel-2);
  text-decoration: none;
  transition: background .12s var(--ease);
}

.page-privacy .pp-more__link:hover,
.page-privacy .pp-more__link:focus-visible {
  background: var(--panel);
}

.page-privacy .pp-more__k {
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .18em;
  color: var(--amber);
}

.page-privacy .pp-more__t {
  display: block;
  margin-top: 9px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--lime);
}

.page-privacy .pp-more__d {
  display: block;
  margin-top: 9px;
  font-size: 14.5px;
  line-height: 1.78;
  color: var(--muted);
}

/* ---------- 回到顶部 ---------- */
.page-privacy .pp-top {
  position: fixed;
  right: clamp(14px, 3vw, 34px);
  bottom: clamp(14px, 3vw, 34px);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 14px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: .14em;
  color: var(--lime);
  background: rgba(5, 18, 15, .88);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  text-decoration: none;
  box-shadow: var(--shadow);
  transition: border-color .12s var(--ease), color .12s var(--ease);
}

.page-privacy .pp-top:hover,
.page-privacy .pp-top:focus-visible {
  border-color: var(--lime);
  color: var(--lime-soft);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px) {
  .page-privacy .pp-contact {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

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

@media (min-width: 900px) {
  .page-privacy .pp-layout {
    grid-template-columns: var(--pp-rail-w) minmax(0, 1fr);
    column-gap: var(--pp-col-gap);
  }

  .page-privacy .pp-rail {
    position: sticky;
    top: 92px;
  }

  .page-privacy .pp-index {
    flex-direction: column;
    flex-wrap: nowrap;
    gap: 0;
    margin-top: 16px;
  }

  .page-privacy .pp-index a {
    padding: 8px 0;
    line-height: 1.5;
  }

  .page-privacy .pp-item__head {
    column-gap: 20px;
  }
}

@media (max-width: 560px) {
  .page-privacy .pp-top {
    padding: 9px 11px;
    font-size: 10px;
    letter-spacing: .1em;
  }

  .page-privacy .pp-list > li,
  .page-privacy .pp-contact > li {
    padding: 15px 15px;
  }
}

@media (prefers-reduced-motion: reduce) {
  .page-privacy .pp-crumbs a,
  .page-privacy .pp-index a,
  .page-privacy .pp-more__link,
  .page-privacy .pp-top,
  .page-privacy .pp-contact__foot a {
    transition: none;
  }
}
<<<END>>>