.page-disclaimer{
  --u-line:rgba(156,151,184,.28);
  --u-gap:clamp(20px,3vw,34px);
  color:var(--paper);
  background:
    radial-gradient(760px 460px at 88% -8%, rgba(107,47,160,.45), transparent 68%),
    radial-gradient(620px 460px at -10% 32%, rgba(60,140,90,.22), transparent 70%),
    var(--ink);
  padding:22px 0 64px;
  overflow-x:clip;
}

.page-disclaimer .usage-shell{
  width:100%;
  max-width:var(--maxw);
  margin:0 auto;
  padding:0 20px;
}

/* 面包屑 */
.page-disclaimer .breadcrumbs{
  margin:0 0 22px;
}
.page-disclaimer .breadcrumb-list{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  list-style:none;
  margin:0;
  padding:0;
  font-family:var(--font-mono);
  font-size:13px;
  letter-spacing:.06em;
}
.page-disclaimer .breadcrumb-item{
  color:var(--mist);
}
.page-disclaimer .breadcrumb-item + .breadcrumb-item::before{
  content:"／";
  margin-right:8px;
  color:rgba(156,151,184,.55);
}
.page-disclaimer .breadcrumb-item a{
  color:var(--vine-light);
  text-decoration:none;
  border-bottom:1px dashed rgba(168,216,185,.5);
}
.page-disclaimer .breadcrumb-item a:hover{
  color:var(--gold);
  border-bottom-color:rgba(232,179,75,.7);
}

/* 首屏 */
.page-disclaimer .usage-hero{
  display:grid;
  grid-template-columns:1fr;
  gap:var(--u-gap);
  margin-bottom:clamp(34px,5vw,58px);
}
.page-disclaimer .usage-hero__text{
  min-width:0;
}
.page-disclaimer .eyebrow{
  margin:0;
  font-size:13px;
  letter-spacing:.16em;
  color:var(--vine-light);
  text-transform:uppercase;
}
.page-disclaimer .usage-hero h1{
  margin:12px 0 18px;
  font-size:clamp(38px,9.6vw,68px);
  line-height:1.02;
  font-weight:900;
  letter-spacing:-.02em;
  color:var(--paper);
}
.page-disclaimer .usage-hero h1 br{
  display:none;
}
.page-disclaimer .lead{
  margin:0;
  max-width:36em;
  font-size:17px;
  line-height:1.85;
  color:rgba(244,241,232,.92);
}
.page-disclaimer .usage-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  list-style:none;
  margin:22px 0 0;
  padding:0;
}
.page-disclaimer .usage-chips .chip{
  padding:6px 14px;
  border:1px solid rgba(60,140,90,.7);
  border-radius:var(--radius-pill);
  font-size:13px;
  line-height:1.6;
  color:var(--vine-light);
  background:rgba(60,140,90,.12);
}
.page-disclaimer .usage-hero__figure{
  margin:0;
  justify-self:center;
  width:min(100%,360px);
  padding:14px;
  border:2px solid var(--gold);
  border-radius:var(--radius-lg);
  background:linear-gradient(158deg, rgba(42,16,70,.92), rgba(16,26,51,.96));
  box-shadow:var(--shadow-hard);
  transform:rotate(-1.4deg);
}
.page-disclaimer .usage-hero__figure img{
  display:block;
  width:100%;
  height:auto;
  border-radius:var(--radius);
  object-fit:cover;
}

/* 主体：目录 + 内容 */
.page-disclaimer .usage-body{
  display:grid;
  grid-template-columns:1fr;
  gap:var(--u-gap);
}
.page-disclaimer .usage-toc{
  padding:16px 16px 18px;
  border:2px solid var(--u-line);
  border-radius:var(--radius);
  background:rgba(16,26,51,.72);
}
.page-disclaimer .toc-title{
  margin:0;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--gold);
}
.page-disclaimer .toc-list{
  list-style:none;
  margin:12px 0 0;
  padding:0;
  display:grid;
  gap:6px;
}
.page-disclaimer .toc-link{
  display:block;
  padding:8px 12px;
  border:1px solid transparent;
  border-radius:var(--radius-pill);
  font-size:15px;
  line-height:1.6;
  color:rgba(244,241,232,.9);
  text-decoration:none;
  transition:background-color .18s ease-out, border-color .18s ease-out, color .18s ease-out;
}
.page-disclaimer .toc-link:hover,
.page-disclaimer .toc-link:focus-visible{
  border-color:var(--vine);
  background:rgba(60,140,90,.16);
  color:var(--vine-light);
}

.page-disclaimer .usage-sections{
  min-width:0;
}

/* 区块 */
.page-disclaimer .usage-block{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  padding-bottom:30px;
  margin-bottom:32px;
  border-bottom:1px dashed var(--u-line);
}
.page-disclaimer .usage-block:last-of-type{
  border-bottom:0;
  margin-bottom:0;
  padding-bottom:0;
}
.page-disclaimer .usage-main{
  min-width:0;
}
.page-disclaimer .usage-block h2{
  margin:0 0 14px;
  font-size:clamp(23px,4.8vw,31px);
  line-height:1.26;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--paper);
}
.page-disclaimer .usage-block h2::after{
  content:"";
  display:block;
  width:56px;
  height:4px;
  margin-top:12px;
  border-radius:2px;
  background:linear-gradient(90deg, var(--grape), var(--vine) 62%, var(--gold));
}

.page-disclaimer .usage-list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:14px;
}
.page-disclaimer .usage-list li{
  position:relative;
  padding-left:24px;
  max-width:36em;
  font-size:17px;
  line-height:1.85;
  color:rgba(244,241,232,.9);
}
.page-disclaimer .usage-list li::before{
  content:"";
  position:absolute;
  left:2px;
  top:.72em;
  width:9px;
  height:9px;
  border-radius:2px;
  background:var(--vine);
  transform:rotate(45deg);
}
.page-disclaimer .usage-list a{
  color:var(--vine-light);
  text-decoration:none;
  border-bottom:1px dashed rgba(168,216,185,.55);
}
.page-disclaimer .usage-list a:hover{
  color:var(--gold);
  border-bottom-color:rgba(232,179,75,.75);
}

/* 阅读顺序 */
.page-disclaimer .usage-steps{
  counter-reset:ustep;
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:12px;
}
.page-disclaimer .usage-steps li{
  display:grid;
  grid-template-columns:52px minmax(0,1fr);
  gap:14px;
  align-items:start;
  padding:14px 16px;
  border:2px solid var(--u-line);
  border-radius:var(--radius);
  background:rgba(16,26,51,.62);
  transition:border-color .18s ease-out, transform .18s ease-out;
}
.page-disclaimer .usage-steps li:hover{
  border-color:rgba(154,91,214,.7);
  transform:translateX(2px);
}
.page-disclaimer .usage-steps li::before{
  counter-increment:ustep;
  content:"0" counter(ustep);
  display:block;
  padding:4px 0;
  border:1px solid rgba(232,179,75,.5);
  border-radius:var(--radius-sm);
  font-family:var(--font-mono);
  font-size:14px;
  letter-spacing:.08em;
  text-align:center;
  color:var(--gold);
}
.page-disclaimer .usage-steps__body{
  display:block;
  font-size:17px;
  line-height:1.85;
  color:rgba(244,241,232,.9);
}
.page-disclaimer .usage-steps__body strong{
  color:var(--paper);
  font-weight:800;
}
.page-disclaimer .usage-steps__body a{
  color:var(--vine-light);
  text-decoration:none;
  border-bottom:1px dashed rgba(168,216,185,.55);
}
.page-disclaimer .usage-steps__body a:hover{
  color:var(--gold);
  border-bottom-color:rgba(232,179,75,.75);
}

/* 侧栏卡片 */
.page-disclaimer .usage-aside{
  align-self:start;
  padding:16px 18px;
  border:2px solid var(--gold);
  border-left-width:6px;
  border-radius:var(--radius);
  background:linear-gradient(150deg, rgba(42,16,70,.95), rgba(16,26,51,.94));
  box-shadow:var(--shadow-hard-sm);
  font-size:15px;
  line-height:1.8;
  color:rgba(244,241,232,.92);
}
.page-disclaimer .usage-aside p{
  margin:0;
}
.page-disclaimer .usage-aside__label{
  margin:0 0 10px;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--gold);
}
.page-disclaimer .usage-aside--age{
  transform:rotate(1deg);
}
.page-disclaimer .usage-aside--meta{
  border-color:var(--vine);
  border-left-color:var(--vine);
  transform:rotate(-.8deg);
}
.page-disclaimer .usage-age-badge{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:62px;
  height:62px;
  margin-bottom:12px;
  border:2px solid var(--gold-deep);
  border-radius:50%;
  background:var(--gold);
  box-shadow:0 0 0 6px rgba(232,179,75,.14);
  font-size:18px;
  font-weight:700;
  letter-spacing:.06em;
  color:var(--ink);
}
.page-disclaimer .usage-meta{
  display:grid;
  gap:10px;
}
.page-disclaimer .usage-meta__row{
  display:grid;
  grid-template-columns:56px minmax(0,1fr);
  gap:10px;
  align-items:baseline;
  padding-bottom:10px;
  border-bottom:1px solid rgba(156,151,184,.24);
}
.page-disclaimer .usage-meta__row:last-child{
  padding-bottom:0;
  border-bottom:0;
}
.page-disclaimer .usage-meta__key{
  font-size:13px;
  letter-spacing:.08em;
  color:var(--vine-light);
}
.page-disclaimer .usage-meta__val{
  font-size:15px;
  color:var(--paper);
}

/* 引用示例 */
.page-disclaimer .usage-quote{
  margin:22px 0 0;
  padding:18px 20px;
  border:2px solid var(--grape);
  border-radius:var(--radius);
  background:rgba(107,47,160,.16);
  box-shadow:var(--shadow-hard-sm);
}
.page-disclaimer .usage-quote__src{
  margin:0;
  font-size:13px;
  letter-spacing:.1em;
  color:var(--grape-light);
}
.page-disclaimer .usage-quote blockquote{
  margin:12px 0;
  padding-left:14px;
  border-left:3px solid var(--gold);
  font-family:var(--font-mono);
  font-size:15px;
  line-height:1.9;
  color:var(--paper);
}
.page-disclaimer .usage-quote figcaption{
  font-size:14px;
  line-height:1.8;
  color:var(--mist);
}

/* 藤蔓分隔 */
.page-disclaimer .usage-vine{
  display:block;
  width:100%;
  height:56px;
  margin:6px 0 30px;
}

/* 收尾 */
.page-disclaimer .usage-block--close{
  border-bottom:0;
}
.page-disclaimer .usage-aside--cta{
  border-color:var(--grape);
  border-left-color:var(--grape);
  display:grid;
  gap:12px;
  transform:rotate(1deg);
}
.page-disclaimer .usage-aside--cta .btn{
  justify-self:start;
}
.page-disclaimer .usage-mail{
  margin:0;
  font-size:14px;
  letter-spacing:.02em;
  color:var(--gold);
  word-break:break-all;
}
.page-disclaimer .usage-aside__note{
  font-size:14px;
  color:var(--mist);
}

/* 桌面端 */
@media (min-width:760px){
  .page-disclaimer .usage-hero h1 br{
    display:inline;
  }
  .page-disclaimer .usage-hero{
    grid-template-columns:1.22fr .78fr;
    align-items:center;
    gap:clamp(28px,4vw,54px);
  }
  .page-disclaimer .usage-hero__figure{
    justify-self:end;
    width:100%;
    max-width:400px;
  }
}

@media (min-width:960px){
  .page-disclaimer{
    padding-top:32px;
  }
  .page-disclaimer .usage-body{
    grid-template-columns:206px minmax(0,1fr);
    gap:clamp(30px,3.4vw,46px);
  }
  .page-disclaimer .usage-toc{
    position:sticky;
    top:112px;
  }
  .page-disclaimer .usage-block{
    grid-template-columns:minmax(0,1.62fr) minmax(0,1fr);
    gap:clamp(24px,3vw,40px);
    align-items:start;
  }
  .page-disclaimer .usage-block--flip .usage-aside{
    order:-1;
  }
  .page-disclaimer .usage-block h2{
    margin-top:-6px;
  }
}

@media (prefers-reduced-motion:reduce){
  .page-disclaimer .usage-hero__figure,
  .page-disclaimer .usage-aside--age,
  .page-disclaimer .usage-aside--meta,
  .page-disclaimer .usage-aside--cta{
    transform:none;
  }
  .page-disclaimer .toc-link,
  .page-disclaimer .usage-steps li{
    transition:none;
  }
  .page-disclaimer .usage-steps li:hover{
    transform:none;
  }
}