/* ===== 使用说明 · 页面专属样式 ===== */
.page-disclaimer{
  --u-rule: rgba(220,216,200,.22);
  --u-body: rgba(246,244,236,.78);
  background: var(--ink);
  color: var(--paper);
}

/* --- 页首 --- */
.page-disclaimer .u-masthead{
  padding: clamp(32px,5vw,56px) 0 clamp(32px,5vw,56px);
  background: linear-gradient(180deg, var(--ink-deep) 0%, var(--ink) 100%);
  border-bottom: var(--line);
}
.page-disclaimer .u-crumbs{
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  margin: 0 0 clamp(22px,3.5vw,40px);
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}
.page-disclaimer .u-crumbs a{
  color: var(--mist);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: color var(--ease), border-color var(--ease);
}
.page-disclaimer .u-crumbs a:hover,
.page-disclaimer .u-crumbs a:focus-visible{
  color: var(--lime);
  border-bottom-color: var(--lime);
}
.page-disclaimer .u-crumbs__sep{ color: var(--turf); }
.page-disclaimer .u-crumbs__now{ color: var(--paper); }

.page-disclaimer .u-kicker{
  margin: 0 0 18px;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .14em;
  text-transform: uppercase;
  color: var(--lime);
}
.page-disclaimer .u-title{
  margin: 0 0 22px;
  max-width: 20em;
  font-size: clamp(30px,5.4vw,56px);
  font-weight: 300;
  line-height: 1.2;
  letter-spacing: .01em;
}
.page-disclaimer .u-intro{
  margin: 0;
  max-width: 36em;
  font-size: clamp(16px,1.4vw,18px);
  line-height: 1.8;
  color: var(--u-body);
}

.page-disclaimer .u-facts{
  display: grid;
  grid-template-columns: 1fr;
  gap: 18px;
  margin: clamp(28px,4vw,44px) 0 0;
  padding: 0;
}
.page-disclaimer .u-facts__cell{
  border-left: 2px solid var(--lime);
  padding-left: 14px;
}
.page-disclaimer .u-facts dt{
  margin-bottom: 6px;
  font-size: 12px;
  letter-spacing: .08em;
  color: var(--mist);
}
.page-disclaimer .u-facts dd{
  margin: 0;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 16px;
  font-weight: 600;
  color: var(--paper);
}

/* --- 顶部横幅 --- */
.page-disclaimer .u-banner{
  padding: clamp(28px,4vw,48px) 0 0;
}
.page-disclaimer .u-banner .frame{
  background: var(--ink-deep);
  box-shadow: var(--shadow-brutal);
}
.page-disclaimer .u-banner img{
  display: block;
  width: 100%;
  height: auto;
  object-fit: cover;
}

/* --- 条目索引 --- */
.page-disclaimer .u-index{
  margin-top: clamp(36px,5vw,64px);
  background: var(--ink-deep);
  border-top: var(--line);
  border-bottom: var(--line);
}
.page-disclaimer .u-index__list{
  display: grid;
  grid-template-columns: repeat(2, minmax(0,1fr));
  margin: 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .u-index__item{
  border-right: 1px solid var(--turf);
  border-bottom: 1px solid var(--turf);
}
.page-disclaimer .u-index__link{
  display: flex;
  flex-direction: column;
  gap: 8px;
  height: 100%;
  padding: 16px 14px 18px;
  font-size: 13px;
  line-height: 1.4;
  color: var(--paper);
  text-decoration: none;
  transition: background var(--ease), color var(--ease);
}
.page-disclaimer .u-index__link:hover,
.page-disclaimer .u-index__link:focus-visible{
  background: var(--turf);
  color: var(--lime);
}
.page-disclaimer .u-index__num{
  font-family: var(--font-mono);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .06em;
  color: var(--mist);
  transition: color var(--ease);
}
.page-disclaimer .u-index__link:hover .u-index__num,
.page-disclaimer .u-index__link:focus-visible .u-index__num{
  color: var(--lime);
}

/* --- 条目区块 --- */
.page-disclaimer .u-sec{
  padding: clamp(48px,7vw,96px) 0;
  border-bottom: 1px solid var(--u-rule);
}
.page-disclaimer .u-sec:last-of-type{
  border-bottom: 0;
  padding-bottom: clamp(56px,8vw,110px);
}
.page-disclaimer .u-sec__grid{
  display: grid;
  grid-template-columns: 1fr;
  gap: 16px;
}
.page-disclaimer .u-num{
  display: block;
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
  font-size: 32px;
  font-weight: 600;
  line-height: 1;
  color: var(--lime);
}
.page-disclaimer .u-sec__body{
  max-width: 760px;
}
.page-disclaimer .u-h2{
  display: inline-block;
  margin: 0 0 18px;
  padding-bottom: 12px;
  border-bottom: 3px solid var(--lime);
  font-size: clamp(24px,3.4vw,40px);
  font-weight: 300;
  line-height: 1.3;
  letter-spacing: .01em;
}
.page-disclaimer .u-lede{
  margin: 0;
  font-size: 16px;
  line-height: 1.8;
  color: var(--u-body);
}

/* --- 条目列表 --- */
.page-disclaimer .u-list{
  margin: 30px 0 0;
  padding: 0;
  list-style: none;
}
.page-disclaimer .u-item{
  position: relative;
  margin-top: 20px;
  padding-top: 20px;
  border-top: 1px solid var(--u-rule);
}
.page-disclaimer .u-item:first-child{
  margin-top: 0;
  padding-top: 0;
  border-top: 0;
}
.page-disclaimer .u-item + .u-item::before{
  content: "";
  position: absolute;
  top: -1px;
  left: 0;
  width: 68px;
  height: 5px;
  background-image: repeating-linear-gradient(90deg, var(--lime) 0 2px, transparent 2px 9px);
}
.page-disclaimer .u-item__key{
  display: block;
  margin-bottom: 8px;
  font-size: 17px;
  font-weight: 800;
  letter-spacing: -.01em;
  color: var(--paper);
}
.page-disclaimer .u-item p{
  margin: 0;
  max-width: 38em;
  font-size: 16px;
  line-height: 1.8;
  color: var(--u-body);
}

/* --- 标注示例 --- */
.page-disclaimer .u-sample{
  display: grid;
  gap: 14px;
  margin: 30px 0 0;
  padding: 22px 20px;
  background: var(--sand);
  color: var(--carbon);
  border: 2px solid var(--carbon);
  box-shadow: var(--shadow-brutal);
}
.page-disclaimer .u-sample__label{
  margin: 0;
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: rgba(20,23,26,.62);
}
.page-disclaimer .u-sample__text{
  margin: 0;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.7;
  color: var(--carbon);
  font-variant-numeric: tabular-nums;
}
.page-disclaimer .u-sample .copy-btn{
  justify-self: start;
  background: var(--carbon);
  color: var(--lime);
  border-color: var(--carbon);
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.page-disclaimer .u-sample .copy-btn:hover,
.page-disclaimer .u-sample .copy-btn:focus-visible{
  background: var(--ink);
  border-color: var(--ink);
  color: var(--lime-soft);
}

/* --- 联系入口 --- */
.page-disclaimer .u-reach{
  margin: 30px 0 0;
  padding: 6px 20px 22px;
  background: var(--lime);
  color: var(--carbon);
  border: 2px solid var(--carbon);
  box-shadow: var(--shadow-brutal);
}
.page-disclaimer .u-reach__row{
  display: grid;
  grid-template-columns: 1fr;
  gap: 6px;
  padding: 16px 0;
  border-bottom: 1px solid rgba(20,23,26,.22);
}
.page-disclaimer .u-reach__row:last-of-type{ border-bottom: 0; }
.page-disclaimer .u-reach__key{
  font-family: var(--font-mono);
  font-size: 12px;
  letter-spacing: .08em;
  color: rgba(20,23,26,.66);
}
.page-disclaimer .u-reach__val{
  font-size: 16px;
  font-weight: 600;
  color: var(--carbon);
  word-break: break-word;
}
.page-disclaimer .u-reach__val--num{
  font-family: var(--font-mono);
  font-variant-numeric: tabular-nums;
}
.page-disclaimer .u-reach .copy-btn{
  justify-self: start;
  background: var(--carbon);
  color: var(--lime);
  border-color: var(--carbon);
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.page-disclaimer .u-reach .copy-btn:hover,
.page-disclaimer .u-reach .copy-btn:focus-visible{
  background: var(--ink);
  border-color: var(--ink);
  color: var(--lime-soft);
}
.page-disclaimer .u-reach__note{
  margin: 18px 0 0;
  font-size: 14px;
  line-height: 1.75;
  color: rgba(20,23,26,.8);
}
.page-disclaimer .u-reach__cta{
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 20px;
}
.page-disclaimer .u-reach .btn{
  background: var(--carbon);
  color: var(--paper);
  border-color: var(--carbon);
  transition: background var(--ease), color var(--ease), border-color var(--ease);
}
.page-disclaimer .u-reach .btn:hover,
.page-disclaimer .u-reach .btn:focus-visible{
  background: var(--ink);
  border-color: var(--ink);
  color: var(--lime);
}

/* --- 响应式 --- */
@media (min-width: 640px){
  .page-disclaimer .u-facts{
    grid-template-columns: repeat(3, minmax(0,1fr));
    gap: 24px;
  }
  .page-disclaimer .u-reach__row{
    grid-template-columns: 92px minmax(0,1fr) auto;
    align-items: center;
    gap: 18px;
  }
}

@media (min-width: 768px){
  .page-disclaimer .u-index__list{
    grid-template-columns: repeat(6, minmax(0,1fr));
  }
}

@media (min-width: 900px){
  .page-disclaimer .u-sec__grid{
    grid-template-columns: 96px minmax(0,1fr);
    column-gap: 44px;
  }
  .page-disclaimer .u-num{
    font-size: 44px;
  }
}