.page-privacy{
  --privacy-rule: rgba(201,162,39,.42);
  --privacy-rule-soft: rgba(20,23,28,.13);
  --privacy-muted: rgba(11,27,51,.62);
  background: var(--paper);
  color: var(--ink-black);
}

/* ---------- 首屏 ---------- */
.page-privacy .privacy-hero{
  position: relative;
  overflow: hidden;
  padding-block: clamp(40px, 7vw, 92px) clamp(36px, 5vw, 68px);
  background:
    radial-gradient(120% 95% at 86% -8%, rgba(201,162,39,.20), rgba(201,162,39,0) 58%),
    var(--ink);
  color: var(--paper);
  border-bottom: 1px solid var(--line-strong);
}

.page-privacy .privacy-hero::after{
  content: "";
  position: absolute;
  right: -16%;
  bottom: -52%;
  width: 52%;
  height: 160%;
  background: linear-gradient(180deg, rgba(201,162,39,.15), rgba(201,162,39,0) 78%);
  transform: rotate(17deg);
  pointer-events: none;
}

.page-privacy .privacy-hero .container{
  position: relative;
  z-index: 1;
}

.page-privacy .privacy-hero .breadcrumb{
  margin-bottom: clamp(28px, 5vw, 54px);
  font-size: 12px;
  letter-spacing: .05em;
}
.page-privacy .privacy-hero .breadcrumb__link{
  color: var(--gold);
  text-decoration: none;
}
.page-privacy .privacy-hero .breadcrumb__link:hover,
.page-privacy .privacy-hero .breadcrumb__link:focus-visible{
  color: var(--gold-2);
  text-decoration: underline;
}
.page-privacy .privacy-hero .breadcrumb__sep{
  margin-inline: 8px;
  color: var(--haze);
}
.page-privacy .privacy-hero .breadcrumb__current{
  color: var(--haze);
}

.page-privacy .privacy-hero__eyebrow{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--gold);
  margin-bottom: 18px;
}

.page-privacy .privacy-hero__title{
  font-family: var(--serif);
  font-weight: 300;
  font-size: clamp(2.6rem, 8vw, 7rem);
  line-height: .96;
  letter-spacing: -.02em;
  margin: 0 0 clamp(20px, 3vw, 32px);
  max-width: 14ch;
}

.page-privacy .privacy-hero__lede{
  max-width: 58ch;
  font-size: 17px;
  line-height: 1.85;
  color: rgba(244,239,228,.86);
  margin: 0;
}

.page-privacy .privacy-hero__meta{
  list-style: none;
  margin: clamp(28px, 4vw, 44px) 0 0;
  padding: 16px 0 0;
  border-top: 1px solid var(--line);
  display: grid;
  gap: 10px 32px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .04em;
  color: var(--haze);
}
@media (min-width: 760px){
  .page-privacy .privacy-hero__meta{
    grid-template-columns: repeat(3, minmax(0,1fr));
  }
}

/* ---------- 主骨架 ---------- */
.page-privacy .privacy-shell{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 34px;
  padding-block: clamp(38px, 6vw, 84px);
}
@media (min-width: 1080px){
  .page-privacy .privacy-shell{
    grid-template-columns: 190px minmax(0,1fr);
    gap: clamp(48px, 6vw, 88px);
    align-items: start;
  }
}

/* ---------- 左侧条款索引 ---------- */
.page-privacy .privacy-index{
  border-top: 1px solid var(--privacy-rule);
  padding-top: 16px;
}
@media (min-width: 1080px){
  .page-privacy .privacy-index{
    position: sticky;
    top: calc(var(--header-h) + 28px);
  }
}

.page-privacy .privacy-index__title{
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--privacy-muted);
  margin: 0 0 14px;
}

.page-privacy .privacy-index__list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  gap: 8px;
}

.page-privacy .privacy-index__link{
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 5px 0 5px 10px;
  border-left: 1px solid var(--privacy-rule-soft);
  font-size: 15px;
  line-height: 1.5;
  color: var(--ink-2);
  text-decoration: none;
  transition: color var(--ease), border-color var(--ease), background-color var(--ease);
}
.page-privacy .privacy-index__link:hover,
.page-privacy .privacy-index__link:focus-visible{
  color: var(--ink);
  border-left-color: var(--gold);
  background: var(--paper-2);
}
.page-privacy .privacy-index__link .index-num{
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--privacy-muted);
}

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

.page-privacy .privacy-clause{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 22px;
  padding-block: clamp(28px, 4vw, 46px);
  border-top: 1px solid var(--privacy-rule);
}
.page-privacy .privacy-clause:last-child{
  border-bottom: 1px solid var(--privacy-rule);
}
@media (min-width: 920px){
  .page-privacy .privacy-clause{
    grid-template-columns: minmax(0,1fr) 15rem;
    column-gap: 46px;
  }
}

.page-privacy .privacy-clause__title{
  display: flex;
  align-items: baseline;
  gap: 14px;
  margin: 0 0 18px;
  font-family: var(--serif);
  font-weight: 700;
  font-size: clamp(21px, 2.2vw, 26px);
  line-height: 1.32;
  letter-spacing: -.01em;
  color: var(--ink);
}
.page-privacy .privacy-clause__title .index-num{
  flex: none;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  color: var(--privacy-muted);
}

.page-privacy .privacy-clause__main p{
  margin: 0 0 16px;
  font-size: 17px;
  line-height: 1.85;
  color: var(--ink-black);
}
.page-privacy .privacy-clause__main p:last-child{
  margin-bottom: 0;
}

.page-privacy .privacy-clause__main a{
  color: var(--ink-2);
  text-decoration: none;
  border-bottom: 1px solid var(--privacy-rule);
  padding-bottom: 1px;
  transition: color var(--ease), border-color var(--ease);
}
.page-privacy .privacy-clause__main a:hover,
.page-privacy .privacy-clause__main a:focus-visible{
  color: var(--ink);
  border-bottom-color: var(--gold);
}

/* ---------- 侧向旁注 ---------- */
.page-privacy .privacy-note{
  align-self: start;
  padding: 16px 18px;
  background: var(--paper-2);
  border-left: 1px solid var(--privacy-rule);
  transition: border-color var(--ease), background-color var(--ease);
}
.page-privacy .privacy-note:hover,
.page-privacy .privacy-note:focus-within,
.page-privacy .privacy-note:focus{
  border-left-color: var(--gold);
  background: var(--paper);
  outline: none;
}
.page-privacy .privacy-note__label{
  margin: 0 0 8px;
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .16em;
  color: var(--privacy-muted);
}
.page-privacy .privacy-note p:not(.privacy-note__label){
  margin: 0;
  font-size: 13px;
  line-height: 1.78;
  color: rgba(11,27,51,.8);
}

/* ---------- 图示 ---------- */
.page-privacy .privacy-figure{
  margin: 22px 0 20px;
  padding: 0;
  border: 1px solid var(--privacy-rule);
  background: var(--ink);
}
.page-privacy .privacy-figure img{
  display: block;
  width: 100%;
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.page-privacy .privacy-figure figcaption{
  padding: 12px 14px;
  background: var(--ink-2);
  color: var(--haze);
  font-size: 12px;
  line-height: 1.7;
  letter-spacing: .02em;
}

/* ---------- 留存期限表 ---------- */
.page-privacy .privacy-table-wrap{
  margin: 6px 0 20px;
  overflow-x: auto;
  border: 1px solid var(--privacy-rule);
  -webkit-overflow-scrolling: touch;
}
.page-privacy .privacy-table{
  width: 100%;
  min-width: 520px;
  border-collapse: collapse;
  font-size: 15px;
  line-height: 1.6;
}
.page-privacy .privacy-table th{
  padding: 12px 14px;
  text-align: left;
  font-family: var(--mono);
  font-weight: 400;
  font-size: 12px;
  letter-spacing: .12em;
  color: var(--paper);
  background: var(--ink);
  white-space: nowrap;
}
.page-privacy .privacy-table td{
  padding: 13px 14px;
  vertical-align: top;
  color: var(--ink-black);
  border-top: 1px solid var(--privacy-rule-soft);
}
.page-privacy .privacy-table tbody tr:nth-child(even){
  background: var(--paper-2);
}
.page-privacy .privacy-table .mono{
  color: var(--ink-2);
  white-space: nowrap;
}

/* ---------- 返回顶部 ---------- */
.page-privacy .to-top{
  position: fixed;
  right: clamp(16px, 3vw, 40px);
  bottom: clamp(16px, 3vw, 40px);
  z-index: 40;
  opacity: 0;
  visibility: hidden;
  transform: translateY(8px);
  transition: opacity var(--ease), transform var(--ease), visibility var(--ease);
}
.page-privacy .to-top[data-visible]{
  opacity: 1;
  visibility: visible;
  transform: none;
}
.page-privacy .to-top__btn{
  display: inline-block;
  padding: 10px 16px;
  background: var(--ink-2);
  border: 1px solid var(--line-strong);
  color: var(--gold);
  font-family: var(--mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-decoration: none;
}
.page-privacy .to-top__btn:hover,
.page-privacy .to-top__btn:focus-visible{
  border-color: var(--gold-2);
  color: var(--gold-2);
}

/* ---------- 窄屏收口 ---------- */
@media (max-width: 620px){
  .page-privacy .privacy-hero__title{
    font-size: clamp(2.4rem, 13vw, 3.4rem);
  }
  .page-privacy .privacy-clause__main p{
    font-size: 15px;
  }
  .page-privacy .privacy-note{
    padding: 14px 15px;
  }
}

@media (prefers-reduced-motion: reduce){
  .page-privacy .privacy-index__link,
  .page-privacy .privacy-note,
  .page-privacy .to-top,
  .page-privacy .to-top__btn,
  .page-privacy .privacy-clause__main a{
    transition-duration: 1ms;
  }
}
<<<END>>>