.page-privacy{
  --policy-rule: rgba(11, 30, 51, 0.16);
  --policy-rule-soft: rgba(11, 30, 51, 0.08);
  --policy-shadow: 0 30px 60px -46px rgba(11, 30, 51, 0.8);
  background: var(--arena-900);
  color: var(--on-dark);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero{
  position: relative;
  isolation: isolate;
  overflow: hidden;
  padding: clamp(26px, 5vw, 56px) 0 clamp(40px, 6vw, 76px);
  background-color: var(--arena-900);
  background-image:
    linear-gradient(122deg, rgba(53, 242, 208, 0.09), transparent 58%),
    repeating-linear-gradient(90deg, var(--line-soft) 0 1px, transparent 1px 92px),
    repeating-linear-gradient(0deg, var(--line-soft) 0 1px, transparent 1px 92px);
}

.page-privacy .privacy-hero::after{
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, var(--cyan-400), var(--orange-500) 42%, transparent 82%);
  opacity: 0.75;
}

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

.page-privacy .privacy-hero__media img{
  width: 100%;
  height: 100%;
  max-width: 100%;
  object-fit: cover;
  opacity: 0.16;
  display: block;
}

.page-privacy .privacy-hero__inner{
  position: relative;
  z-index: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

.page-privacy .privacy-hero .breadcrumb__list{
  margin: 0 0 clamp(14px, 2.4vw, 22px);
  padding: 0;
  list-style: none;
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--on-dark-muted);
}

.page-privacy .privacy-hero .breadcrumb__item + .breadcrumb__item::before{
  content: "/";
  margin-right: 8px;
  color: var(--rock-600);
}

.page-privacy .privacy-hero .breadcrumb__link{
  color: var(--cyan-400);
  text-decoration: none;
}

.page-privacy .privacy-hero .breadcrumb__current{
  color: var(--on-dark-dim);
}

.page-privacy .privacy-hero .eyebrow{
  margin: 0 0 12px;
  color: var(--silver-400);
}

.page-privacy .privacy-hero h1{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 900;
  font-size: clamp(32px, 6vw, 62px);
  line-height: 1.06;
  letter-spacing: -0.02em;
  color: var(--on-dark);
  max-width: 18ch;
}

.page-privacy .privacy-hero__intro{
  margin: clamp(16px, 2.4vw, 22px) 0 0;
  max-width: 58ch;
  font-size: clamp(15px, 1.5vw, 17px);
  line-height: 1.8;
  color: var(--on-dark-dim);
}

.page-privacy .privacy-hero__facts{
  display: flex;
  flex-wrap: wrap;
  gap: clamp(16px, 3vw, 36px);
  margin-top: clamp(20px, 3vw, 30px);
  padding-top: 16px;
  border-top: 1px solid var(--line-soft);
}

.page-privacy .privacy-hero__facts p{
  margin: 0;
  display: flex;
  align-items: baseline;
  gap: 8px;
  font-size: 12px;
  letter-spacing: 0.04em;
  color: var(--on-dark-muted);
}

.page-privacy .privacy-hero__num{
  font-family: var(--font-mono);
  font-weight: 700;
  font-size: clamp(22px, 3vw, 30px);
  line-height: 1;
  color: var(--cyan-400);
  font-variant-numeric: tabular-nums;
}

/* ---------- 摘要卡 ---------- */
.page-privacy .privacy-brief{
  background: var(--paper-50);
  color: var(--on-light);
  padding: clamp(18px, 2.6vw, 26px);
  border-left: 3px solid var(--orange-500);
  box-shadow: var(--policy-shadow);
}

.page-privacy .privacy-brief__summary{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  list-style: none;
}

.page-privacy .privacy-brief__summary::-webkit-details-marker{
  display: none;
}

.page-privacy .privacy-brief__title{
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(17px, 2.2vw, 21px);
  letter-spacing: -0.01em;
  color: var(--on-light);
}

.page-privacy .privacy-brief__toggle{
  margin-left: auto;
  font-family: var(--font-mono);
  font-size: 20px;
  line-height: 1;
  color: var(--clay-500);
  transition: transform var(--dur) var(--ease);
}

.page-privacy .privacy-brief[open] .privacy-brief__toggle{
  transform: rotate(45deg);
}

.page-privacy .privacy-brief__list{
  margin: 16px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 12px;
}

.page-privacy .privacy-brief__list li{
  position: relative;
  padding-left: 18px;
  font-size: 14px;
  line-height: 1.72;
  color: var(--on-light-muted);
}

.page-privacy .privacy-brief__list li::before{
  content: "";
  position: absolute;
  left: 0;
  top: 9px;
  width: 7px;
  height: 7px;
  background: var(--moss-500);
  transform: rotate(45deg);
}

.page-privacy .privacy-brief__version{
  margin: 18px 0 0;
  padding-top: 14px;
  border-top: 1px solid var(--policy-rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--on-light-muted);
}

.page-privacy .privacy-brief__save{
  margin: 10px 0 0;
  font-size: 13px;
  line-height: 1.7;
  color: var(--on-light-muted);
}

.page-privacy .privacy-brief__save-key{
  display: inline-block;
  margin-right: 8px;
  padding: 2px 8px;
  background: var(--command-800);
  color: var(--cyan-400);
  font-family: var(--font-mono);
  font-size: 10px;
  letter-spacing: 0.12em;
  border-radius: var(--radius);
}

/* ---------- 阅读区 ---------- */
.page-privacy .policy-main{
  background: var(--cream-100);
  color: var(--on-light);
  padding: clamp(34px, 5vw, 70px) 0 clamp(46px, 6vw, 86px);
}

.page-privacy .policy-layout{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(24px, 4vw, 44px);
  align-items: start;
}

/* 目录 */
.page-privacy .policy-index{
  background: var(--paper-50);
  border: 1px solid var(--policy-rule);
  padding: clamp(14px, 2vw, 20px);
}

.page-privacy .policy-index__title{
  margin: 0 0 12px;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  color: var(--on-light-muted);
}

.page-privacy .policy-index__list{
  margin: 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 2px;
}

.page-privacy .policy-index__list a{
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 8px 8px;
  border-left: 2px solid transparent;
  color: var(--on-light);
  font-size: 14px;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), border-color var(--dur) var(--ease);
}

.page-privacy .policy-index__list a:hover,
.page-privacy .policy-index__list a:focus-visible{
  background: rgba(58, 70, 82, 0.07);
  border-left-color: var(--orange-500);
  outline: none;
}

.page-privacy .policy-index__num{
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--clay-500);
  font-variant-numeric: tabular-nums;
}

.page-privacy .policy-index__meta{
  margin: 14px 0 0;
  padding-top: 12px;
  border-top: 1px dashed var(--policy-rule);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.06em;
  color: var(--on-light-muted);
}

/* 条款正文 */
.page-privacy .policy-body{
  min-width: 0;
}

.page-privacy .policy-section{
  scroll-margin-top: 96px;
  padding-top: clamp(26px, 3.6vw, 40px);
  margin-top: clamp(26px, 3.6vw, 40px);
  border-top: 1px solid var(--policy-rule);
  position: relative;
}

.page-privacy .policy-section:first-child{
  margin-top: 0;
  padding-top: 0;
  border-top: none;
}

.page-privacy .policy-section::before{
  content: "";
  position: absolute;
  top: -5px;
  left: 0;
  width: 9px;
  height: 9px;
  background: var(--clay-500);
  transform: rotate(45deg);
}

.page-privacy .policy-section:first-child::before{
  display: none;
}

.page-privacy .policy-section__head{
  display: flex;
  align-items: baseline;
  gap: clamp(10px, 2vw, 16px);
  margin-bottom: 14px;
}

.page-privacy .policy-section__num{
  margin: 0;
  font-family: var(--font-mono);
  font-weight: 200;
  font-size: clamp(26px, 4vw, 42px);
  line-height: 1;
  letter-spacing: -0.02em;
  color: rgba(58, 70, 82, 0.4);
}

.page-privacy .policy-section h2{
  margin: 0;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(21px, 3vw, 30px);
  line-height: 1.24;
  letter-spacing: -0.015em;
  color: var(--on-light);
}

.page-privacy .policy-section > p{
  margin: 0 0 18px;
  max-width: 70ch;
  font-size: clamp(15px, 1.5vw, 16px);
  line-height: 1.82;
  color: var(--on-light-muted);
}

.page-privacy .clause-list{
  margin: 0;
  padding: 0;
  list-style: none;
  border-top: 1px solid var(--policy-rule-soft);
}

.page-privacy .clause{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: 6px;
  padding: 14px 0;
  border-bottom: 1px solid var(--policy-rule-soft);
}

.page-privacy .clause__key{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.1em;
  text-transform: uppercase;
  color: var(--clay-500);
}

.page-privacy .clause__text{
  margin: 0;
  max-width: 70ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-light);
}

.page-privacy .clause-list--retention{
  border-top: none;
  margin-top: 8px;
}

.page-privacy .clause-list--retention .clause{
  border-bottom: none;
  background: var(--paper-50);
  border-left: 3px solid var(--moss-500);
  padding: 16px;
}

/* 旁注 */
.page-privacy .policy-note{
  margin: 20px 0 0;
  padding: 16px 18px;
  background: var(--command-800);
  border-left: 3px solid var(--cyan-400);
  display: grid;
  gap: 6px;
}

.page-privacy .policy-note__label{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--cyan-400);
}

.page-privacy .policy-note p{
  margin: 0;
  font-size: 14px;
  line-height: 1.78;
  color: var(--on-dark-dim);
}

.page-privacy .policy-note a{
  color: var(--cyan-400);
}

.page-privacy .policy-contact-line{
  margin: 22px 0 0;
  padding: 16px 18px;
  background: var(--paper-50);
  border: 1px solid var(--policy-rule);
  font-size: 14px;
  line-height: 1.78;
  color: var(--on-light-muted);
}

.page-privacy .policy-contact-line__value{
  font-family: var(--font-mono);
  font-size: 13px;
  color: var(--on-light);
  word-break: break-all;
}

.page-privacy .policy-contact-line a{
  color: var(--clay-500);
  text-decoration: underline;
  text-underline-offset: 3px;
}

/* ---------- 结尾 ---------- */
.page-privacy .privacy-outro{
  background: var(--command-800);
  background-image:
    repeating-linear-gradient(135deg, rgba(53, 242, 208, 0.05) 0 2px, transparent 2px 26px);
  color: var(--on-dark);
  padding: clamp(34px, 5vw, 62px) 0 clamp(46px, 6vw, 74px);
}

.page-privacy .privacy-outro__inner{
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  gap: clamp(22px, 3.4vw, 40px);
  align-items: start;
}

.page-privacy .privacy-outro .eyebrow{
  margin: 0 0 10px;
  color: var(--silver-400);
}

.page-privacy .privacy-outro h2{
  margin: 0 0 12px;
  font-family: var(--font-display);
  font-weight: 800;
  font-size: clamp(22px, 3.4vw, 34px);
  line-height: 1.22;
  letter-spacing: -0.015em;
  color: var(--on-dark);
}

.page-privacy .privacy-outro__text > p{
  margin: 0;
  max-width: 56ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--on-dark-dim);
}

.page-privacy .privacy-outro__mail{
  margin-top: 14px;
  font-family: var(--font-mono);
  font-size: 14px;
  letter-spacing: 0.02em;
  color: var(--cyan-400);
  word-break: break-all;
}

.page-privacy .privacy-outro__actions{
  display: grid;
  gap: 10px;
  justify-items: start;
}

.page-privacy .privacy-outro .btn{
  width: 100%;
  text-align: center;
}

.page-privacy .privacy-outro .btn--ghost{
  border-color: var(--line-strong);
  color: var(--on-dark);
}

.page-privacy .privacy-outro .btn--ghost:hover,
.page-privacy .privacy-outro .btn--ghost:focus-visible{
  border-color: var(--cyan-400);
  color: var(--cyan-400);
}

/* ---------- 返回顶部 ---------- */
.page-privacy .to-top{
  position: fixed;
  right: clamp(12px, 3vw, 26px);
  bottom: clamp(12px, 3vw, 26px);
  z-index: 40;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 13px;
  background: var(--command-800);
  color: var(--cyan-400);
  border: 1px solid var(--line-strong);
  border-radius: var(--radius);
  font-family: var(--font-mono);
  font-size: 11px;
  letter-spacing: 0.12em;
  text-decoration: none;
  transition: background-color var(--dur) var(--ease), color var(--dur) var(--ease);
}

.page-privacy .to-top:hover,
.page-privacy .to-top:focus-visible{
  background: var(--orange-500);
  color: var(--arena-900);
  outline: none;
}

/* ---------- 断点 ---------- */
@media (min-width: 620px){
  .page-privacy .clause{
    grid-template-columns: 148px minmax(0, 1fr);
    gap: 18px;
  }
  .page-privacy .clause__key{
    padding-top: 3px;
  }
  .page-privacy .privacy-outro__actions{
    grid-template-columns: repeat(3, minmax(0, 1fr));
  }
  .page-privacy .privacy-outro .btn{
    width: auto;
  }
}

@media (min-width: 900px){
  .page-privacy .privacy-hero__inner{
    grid-template-columns: minmax(0, 1.3fr) minmax(0, 0.9fr);
    align-items: end;
  }
  .page-privacy .privacy-brief{
    margin-bottom: 6px;
  }
  .page-privacy .privacy-outro__inner{
    grid-template-columns: minmax(0, 1.25fr) minmax(0, 0.8fr);
    align-items: center;
  }
}

@media (min-width: 1000px){
  .page-privacy .policy-layout{
    grid-template-columns: minmax(0, 1fr) 264px;
    grid-template-areas: "body index";
  }
  .page-privacy .policy-body{
    grid-area: body;
    max-width: 74ch;
  }
  .page-privacy .policy-index{
    grid-area: index;
    position: sticky;
    top: 96px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-privacy .privacy-brief__toggle,
  .page-privacy .policy-index__list a,
  .page-privacy .to-top{
    transition: none;
  }
}
<<<END>>>