.page-disclaimer{
  --d-rule: rgba(108,138,128,.34);
  --d-faint: rgba(108,138,128,.15);
  --d-body: rgba(242,246,244,.86);
  background: var(--night-green);
  color: var(--score-white);
  font-family: var(--font-body);
  overflow-x: hidden;
}

.page-disclaimer *,
.page-disclaimer *::before,
.page-disclaimer *::after{
  box-sizing: border-box;
}

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

.page-disclaimer .breadcrumbs__link{
  color: var(--graphite);
  text-decoration: none;
}
.page-disclaimer .breadcrumbs__link:hover,
.page-disclaimer .breadcrumbs__link:focus-visible{
  color: var(--data-blue);
}
.page-disclaimer .breadcrumbs__current{
  color: var(--score-white);
}

/* ---------- 首屏 ---------- */
.page-disclaimer .usage-hero{
  position: relative;
  overflow: hidden;
  padding: clamp(26px,4.5vw,52px) 0 0;
  background:
    radial-gradient(115% 135% at 88% 0%, rgba(45,156,255,.18) 0%, rgba(45,156,255,0) 58%),
    linear-gradient(118deg, var(--deep-green) 0%, var(--night-green) 58%, var(--ink) 100%);
}

.page-disclaimer .usage-hero::before{
  content: "";
  position: absolute;
  inset: 0;
  background-image:
    repeating-linear-gradient(115deg, rgba(45,156,255,.06) 0 1px, transparent 1px 38px);
  pointer-events: none;
}

.page-disclaimer .usage-hero__inner{
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--w-max);
  margin: 0 auto;
  padding: 0 var(--gutter);
}

.page-disclaimer .usage-hero__body{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: clamp(16px,3vw,32px);
  margin-top: clamp(18px,3vw,30px);
}

.page-disclaimer .usage-hero__title{
  font-family: var(--font-heading);
  font-size: clamp(30px,6.6vw,58px);
  font-weight: 700;
  line-height: 1.06;
  letter-spacing: .01em;
  margin: 12px 0 0;
  max-width: 20ch;
  color: var(--score-white);
}

.page-disclaimer .usage-hero__lede{
  margin: 0;
  font-size: clamp(15px,1.7vw,17px);
  line-height: 1.8;
  color: var(--d-body);
  max-width: 46ch;
}

.page-disclaimer .usage-hero__figure{
  position: relative;
  z-index: 1;
  width: 100%;
  max-width: var(--w-max);
  margin: clamp(22px,4vw,40px) auto 0;
  padding: 0 var(--gutter);
}

.page-disclaimer .usage-hero__figure .media-frame{
  position: relative;
  margin: 0;
  background: var(--ink);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 38px), calc(100% - 62px) 100%, 0 100%);
}

.page-disclaimer .usage-hero__figure img{
  width: 100%;
  aspect-ratio: 16 / 7;
  object-fit: cover;
}

.page-disclaimer .usage-hero__figure .media-frame__caption{
  padding: 10px 14px 14px;
  font-size: 13px;
  line-height: 1.6;
  color: var(--graphite);
  background: var(--ink);
}

/* ---------- 条款目录 ---------- */
.page-disclaimer .usage-index{
  background: var(--ink);
  border-top: 1px solid var(--d-rule);
  border-bottom: 1px solid var(--d-rule);
}

.page-disclaimer .usage-index__inner{
  width: 100%;
  max-width: var(--w-max);
  margin: 0 auto;
}

.page-disclaimer .usage-index .index-list{
  display: flex;
  flex-wrap: wrap;
  margin: 0;
  padding: 0;
  list-style: none;
}

.page-disclaimer .usage-index .index-list__item{
  flex: 1 1 190px;
  min-width: 0;
  display: flex;
  align-items: baseline;
  gap: 10px;
  padding: 15px 18px;
  border-bottom: 1px solid var(--d-faint);
}

.page-disclaimer .index-list__num{
  flex: none;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .06em;
  color: var(--stoppage-orange);
}

.page-disclaimer .index-list__link{
  color: var(--score-white);
  text-decoration: none;
  font-size: 15px;
  line-height: 1.5;
  border-bottom: 1px solid transparent;
  transition: border-color .18ms var(--ease), color .18ms var(--ease);
}

.page-disclaimer .index-list__link:hover,
.page-disclaimer .index-list__link:focus-visible{
  color: var(--data-blue);
  border-bottom-color: var(--data-blue);
}

/* ---------- 条款区块 ---------- */
.page-disclaimer .clause{
  scroll-margin-top: 92px;
  padding-block: clamp(44px,6vw,78px);
  border-bottom: 1px solid var(--d-faint);
}

.page-disclaimer .clause:last-of-type{
  border-bottom: 0;
}

.page-disclaimer .clause__head{
  display: flex;
  align-items: baseline;
  gap: clamp(12px,2vw,22px);
  padding-bottom: 14px;
  margin-bottom: clamp(18px,2.6vw,26px);
  border-bottom: 1px solid var(--d-rule);
}

.page-disclaimer .clause__num{
  flex: none;
  font-family: var(--font-mono);
  font-size: clamp(26px,4vw,40px);
  font-weight: 700;
  line-height: 1;
  color: var(--data-blue);
}

.page-disclaimer .clause__title{
  font-family: var(--font-heading);
  font-size: clamp(21px,3vw,31px);
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.2;
  margin: 0;
  color: var(--score-white);
}

.page-disclaimer .prose{
  max-width: 74ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--d-body);
}

.page-disclaimer .prose p{
  margin: 0 0 16px;
}

.page-disclaimer .prose p:last-child{
  margin-bottom: 0;
}

.page-disclaimer .prose ul{
  list-style: none;
  margin: 0 0 18px;
  padding: 0;
}

.page-disclaimer .prose ul li{
  position: relative;
  padding-left: 20px;
  margin-bottom: 10px;
}

.page-disclaimer .prose ul li::before{
  content: "";
  position: absolute;
  left: 2px;
  top: .72em;
  width: 7px;
  height: 7px;
  background: var(--data-blue);
  transform: rotate(45deg);
}

.page-disclaimer .prose a{
  color: var(--data-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .prose a:hover,
.page-disclaimer .prose a:focus-visible{
  color: var(--score-white);
}

/* ---------- 三种使用情形 ---------- */
.page-disclaimer .usage-cases{
  margin-top: clamp(24px,3.4vw,36px);
  border-left: 2px solid var(--d-rule);
  padding-left: clamp(16px,2.4vw,30px);
}

.page-disclaimer .usage-case{
  padding: clamp(16px,2.4vw,24px) 0;
  border-top: 1px solid var(--d-faint);
}

.page-disclaimer .usage-case:first-child{
  border-top: 0;
  padding-top: 0;
}

.page-disclaimer .usage-case__title{
  position: relative;
  margin: 0 0 8px;
  padding-left: 22px;
  font-family: var(--font-heading);
  font-size: clamp(18px,2.2vw,22px);
  font-weight: 600;
  letter-spacing: .01em;
  line-height: 1.3;
  color: var(--score-white);
}

.page-disclaimer .usage-case__title::before{
  content: "";
  position: absolute;
  left: 0;
  top: .62em;
  width: 14px;
  height: 2px;
  background: var(--stoppage-orange);
}

.page-disclaimer .usage-case p{
  margin: 0 0 10px;
  max-width: 74ch;
  font-size: 16px;
  line-height: 1.8;
  color: var(--d-body);
}

.page-disclaimer .usage-case p:last-child{
  margin-bottom: 0;
}

.page-disclaimer .cite-sample{
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin-top: 14px !important;
  padding: 12px 16px;
  border-left: 3px solid var(--stoppage-orange);
  background: rgba(255,138,31,.08);
}

.page-disclaimer .cite-sample__key{
  font-size: 12px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--stoppage-orange);
}

.page-disclaimer .cite-sample__value{
  font-family: var(--font-mono);
  font-size: 14px;
  line-height: 1.7;
  color: var(--score-white);
  word-break: break-word;
}

/* ---------- 资料包范围 ---------- */
.page-disclaimer .clause--scope .filter-bar{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: clamp(20px,3vw,28px) 0 clamp(16px,2.4vw,22px);
}

.page-disclaimer .filter-btn{
  padding: 8px 16px;
  font-family: var(--font-body);
  font-size: 14px;
  line-height: 1.4;
  color: var(--score-white);
  background: transparent;
  border: 1px solid var(--d-rule);
  border-radius: 0;
  cursor: pointer;
  transition: background .16ms var(--ease), border-color .16ms var(--ease), color .16ms var(--ease);
}

.page-disclaimer .filter-btn:hover{
  border-color: var(--data-blue);
  color: var(--data-blue);
}

.page-disclaimer .filter-btn[aria-pressed="true"]{
  background: var(--data-blue);
  border-color: var(--data-blue);
  color: var(--ink);
  font-weight: 600;
}

.page-disclaimer .filter-btn:focus-visible{
  outline: 2px solid var(--stoppage-orange);
  outline-offset: 2px;
}

.page-disclaimer .filter-count{
  margin: 0 0 0 auto;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .05em;
  color: var(--graphite);
}

.page-disclaimer .scope-list{
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 0;
  border-top: 1px solid var(--d-faint);
}

.page-disclaimer .scope-list__item{
  display: flex;
  align-items: flex-start;
  gap: 12px;
  padding: 15px 0;
  border-bottom: 1px solid var(--d-faint);
}

.page-disclaimer .scope-list__item[hidden]{
  display: none;
}

.page-disclaimer .scope-list__item p{
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--d-body);
}

.page-disclaimer .tag{
  flex: none;
  margin-top: 3px;
  min-width: 46px;
  text-align: center;
}

/* ---------- 来源与节点 ---------- */
.page-disclaimer .origin-list{
  margin: clamp(22px,3vw,34px) 0 0;
  border-top: 1px solid var(--d-rule);
}

.page-disclaimer .origin-list__row{
  display: grid;
  grid-template-columns: minmax(0,1fr);
  gap: 6px;
  padding: 15px 0;
  border-bottom: 1px solid var(--d-faint);
}

.page-disclaimer .origin-list__key{
  font-family: var(--font-mono);
  font-size: 13px;
  letter-spacing: .05em;
  color: var(--data-blue);
}

.page-disclaimer .origin-list__value{
  margin: 0;
  font-size: 16px;
  line-height: 1.75;
  color: var(--d-body);
}

.page-disclaimer .clause .origin-list + .prose{
  margin-top: clamp(20px,3vw,30px);
}

/* ---------- 联系 ---------- */
.page-disclaimer .clause--contact{
  background:
    linear-gradient(180deg, rgba(123,91,255,.10) 0%, rgba(123,91,255,0) 70%);
}

.page-disclaimer .contact-block{
  margin: clamp(22px,3vw,32px) 0;
  padding: clamp(18px,2.6vw,26px) clamp(18px,2.6vw,28px);
  border-left: 3px solid var(--data-blue);
  background: var(--deep-green);
  clip-path: polygon(0 0, 100% 0, 100% calc(100% - 26px), calc(100% - 34px) 100%, 0 100%);
}

.page-disclaimer .contact-block__mail{
  margin: 0 0 10px;
  font-family: var(--font-mono);
  font-size: clamp(16px,2.4vw,22px);
  letter-spacing: .01em;
  color: var(--score-white);
  word-break: break-all;
}

.page-disclaimer .contact-block__note{
  margin: 0;
  max-width: 62ch;
  font-size: 14px;
  line-height: 1.8;
  color: var(--d-body);
}

.page-disclaimer .clause__tail{
  margin: 0;
  max-width: 74ch;
  font-size: 15px;
  line-height: 1.8;
  color: var(--d-body);
}

.page-disclaimer .clause__tail a{
  color: var(--data-blue);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.page-disclaimer .clause__tail a:hover,
.page-disclaimer .clause__tail a:focus-visible{
  color: var(--score-white);
}

/* ---------- 响应式 ---------- */
@media (min-width: 720px){
  .page-disclaimer .usage-hero__figure .media-frame{
    clip-path: polygon(0 0, 100% 0, 100% calc(100% - 56px), calc(100% - 96px) 100%, 0 100%);
  }

  .page-disclaimer .usage-hero__figure img{
    aspect-ratio: 21 / 9;
  }

  .page-disclaimer .usage-hero__figure .media-frame__caption{
    padding: 12px 18px 16px;
  }

  .page-disclaimer .usage-index .index-list__item{
    border-bottom: 0;
    border-right: 1px solid var(--d-faint);
  }

  .page-disclaimer .usage-index .index-list__item:last-child{
    border-right: 0;
  }

  .page-disclaimer .scope-list{
    grid-template-columns: minmax(0,1fr);
  }

  .page-disclaimer .origin-list__row{
    grid-template-columns: 168px minmax(0,1fr);
    gap: clamp(16px,2.4vw,30px);
    align-items: baseline;
  }

  .page-disclaimer .cite-sample{
    flex-direction: row;
    align-items: baseline;
    gap: 14px;
  }

  .page-disclaimer .cite-sample__key{
    flex: none;
  }
}

@media (min-width: 980px){
  .page-disclaimer .usage-hero__body{
    grid-template-columns: minmax(0,60fr) minmax(0,40fr);
    align-items: end;
    gap: clamp(24px,4vw,64px);
  }

  .page-disclaimer .usage-hero__figure{
    padding-right: calc(var(--gutter) + 3vw);
  }

  .page-disclaimer .usage-cases{
    display: grid;
    grid-template-columns: minmax(0,1fr);
  }
}

@media (prefers-reduced-motion: reduce){
  .page-disclaimer .index-list__link,
  .page-disclaimer .filter-btn{
    transition: none;
  }
}