/* ============ 使用说明页 · page-disclaimer ============ */
.page-disclaimer{
  display:block;
  --dl-card-bg:linear-gradient(180deg, rgba(21,26,36,.96), rgba(14,17,24,.98));
  --dl-radius:2px;
}

/* ---------- 首屏 ---------- */
.page-disclaimer .dl-hero{
  position:relative;
  overflow:hidden;
  padding:22px 0 30px;
  border-bottom:1px solid var(--line-soft);
}
.page-disclaimer .dl-hero::before{
  content:"";
  position:absolute;
  inset:-1px 0 0 0;
  background:
    radial-gradient(120% 96% at 8% 0%, rgba(75,58,122,.42), transparent 62%),
    radial-gradient(90% 76% at 96% 6%, rgba(31,74,68,.30), transparent 58%),
    linear-gradient(180deg, rgba(14,17,24,.9), rgba(8,9,13,.2));
  pointer-events:none;
}
.page-disclaimer .dl-hero__inner{
  position:relative;
  z-index:1;
  padding-top:22px;
}
.page-disclaimer .dl-hero h1{
  margin:14px 0 0;
  font-size:clamp(28px, 7vw, 56px);
  line-height:1.16;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--paper);
  max-width:20ch;
}
.page-disclaimer .dl-hero__lead{
  margin:18px 0 0;
  max-width:62ch;
  font-size:16px;
  line-height:1.9;
  color:rgba(237,231,218,.76);
}

/* ---------- 速览三连条 ---------- */
.page-disclaimer .dl-quick{
  display:grid;
  gap:10px;
  margin-top:28px;
}
.page-disclaimer .dl-quick__item{
  display:flex;
  align-items:flex-start;
  gap:12px;
  padding:14px 16px;
  border:1px solid var(--line);
  border-left:3px solid var(--sand);
  border-radius:var(--dl-radius);
  background:rgba(21,26,36,.68);
  text-decoration:none;
  color:var(--paper);
  transition:transform .2s ease, border-color .2s ease, background-color .2s ease;
}
.page-disclaimer .dl-quick__item:hover{
  transform:translateY(-2px);
  border-color:var(--gold);
  background:rgba(21,26,36,.94);
}
.page-disclaimer .dl-quick__item:focus-visible{
  outline:2px solid var(--gold-hi);
  outline-offset:2px;
}
.page-disclaimer .dl-quick__num{
  flex:0 0 auto;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.1em;
  color:var(--gold);
  padding-top:4px;
}
.page-disclaimer .dl-quick__text{
  font-size:14.5px;
  line-height:1.8;
  color:rgba(237,231,218,.78);
}
.page-disclaimer .dl-quick__text strong{
  color:var(--gold-hi);
  font-weight:700;
}

/* ---------- 索引轴 + 内容区 ---------- */
.page-disclaimer .rail-layout{
  display:grid;
  gap:26px;
  padding:34px 0 64px;
}
.page-disclaimer .rail{ display:none; }
.page-disclaimer .rail__title{
  margin:0 0 12px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.18em;
  color:var(--muted);
  text-transform:uppercase;
}
.page-disclaimer .rail__list{
  list-style:none;
  margin:0;
  padding:0;
  display:grid;
  gap:2px;
}
.page-disclaimer .rail__link{
  display:flex;
  align-items:baseline;
  gap:10px;
  padding:8px 10px;
  border-left:1px solid var(--line-soft);
  color:var(--muted);
  text-decoration:none;
  font-size:13.5px;
  line-height:1.6;
  transition:color .2s ease, border-color .2s ease, background-color .2s ease;
}
.page-disclaimer .rail__link:hover{ color:var(--paper); border-left-color:var(--gold); }
.page-disclaimer .rail__link[data-active="true"]{
  color:var(--gold-hi);
  border-left-color:var(--gold);
  background:rgba(201,162,39,.08);
}
.page-disclaimer .rail__num{
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--gold);
}

/* ---------- 章节 ---------- */
.page-disclaimer .chapter{
  padding-top:26px;
  scroll-margin-top:calc(var(--header-h) + 28px);
}
.page-disclaimer .chapter + .chapter{
  margin-top:46px;
  border-top:1px solid var(--line-soft);
}
.page-disclaimer .chapter > .band{
  display:block;
  width:56px;
  height:4px;
  margin-bottom:16px;
  border-radius:0;
}
.page-disclaimer .chapter__num{
  margin:0;
  font-family:var(--font-mono);
  font-size:12px;
  letter-spacing:.2em;
  color:var(--gold);
}
.page-disclaimer .chapter__label{
  margin:8px 0 0;
  font-size:clamp(22px, 4.4vw, 32px);
  line-height:1.3;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--paper);
}
.page-disclaimer .chapter__lead{
  margin:10px 0 0;
  max-width:56ch;
  font-size:15px;
  line-height:1.9;
  color:rgba(237,231,218,.72);
}
.page-disclaimer .chapter__lead a,
.page-disclaimer .clause__body a{
  color:var(--gold-hi);
  text-decoration:none;
  border-bottom:1px solid var(--line);
}
.page-disclaimer .chapter__lead a:hover,
.page-disclaimer .clause__body a:hover{
  border-bottom-color:var(--gold-hi);
}

/* ---------- 条款卡片墙（蛇形错落） ---------- */
.page-disclaimer .wall{
  display:grid;
  gap:14px;
  margin-top:22px;
}
.page-disclaimer .clause{
  position:relative;
  padding:26px 18px 18px;
  background:var(--dl-card-bg);
  border:1px solid var(--line);
  border-radius:var(--dl-radius);
  box-shadow:inset 0 0 0 1px rgba(242,217,140,.05), 0 14px 28px -22px rgba(0,0,0,.95);
  transition:transform .2s ease, border-color .2s ease, box-shadow .2s ease;
}
.page-disclaimer .clause:hover{
  transform:translateY(-3px);
  border-color:var(--gold);
  box-shadow:inset 0 0 0 1px rgba(242,217,140,.16), 0 18px 32px -20px rgba(0,0,0,.95);
}
.page-disclaimer .clause__num{
  position:absolute;
  top:-1px;
  left:-1px;
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 9px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.08em;
  color:var(--ink-900);
  background:linear-gradient(180deg, var(--gold-hi), var(--gold));
  border-radius:2px 0 2px 0;
}
.page-disclaimer .clause__title{
  margin:6px 0 8px;
  font-size:17px;
  line-height:1.5;
  font-weight:700;
  color:var(--paper);
}
.page-disclaimer .clause__body{
  margin:0;
  font-size:14.5px;
  line-height:1.9;
  color:rgba(237,231,218,.74);
}
.page-disclaimer .clause__hint{
  margin:12px 0 0;
  padding-top:10px;
  border-top:1px dashed var(--line-soft);
  font-size:13px;
  line-height:1.7;
  color:var(--muted);
  transition:color .2s ease;
}
.page-disclaimer .clause:hover .clause__hint{ color:var(--sand); }

/* 引用条款：沙砾橙强调 */
.page-disclaimer .clause--cite{
  border-left:2px solid var(--sand);
}
.page-disclaimer .clause--cite .clause__num{
  background:linear-gradient(180deg, #E9A46A, var(--sand));
}
.page-disclaimer .clause--cite:hover{
  border-color:var(--sand);
}

/* ---------- 图 ---------- */
.page-disclaimer .figure{
  margin:24px 0 0;
}
.page-disclaimer .figure__frame{
  overflow:hidden;
  border:1px solid var(--line);
  border-radius:var(--dl-radius);
  background:var(--ink-800);
}
.page-disclaimer .figure__frame img{
  display:block;
  width:100%;
  max-width:100%;
  height:auto;
  object-fit:cover;
  aspect-ratio:7 / 4;
}
.page-disclaimer .figure__cap{
  margin-top:10px;
  font-size:13px;
  line-height:1.8;
  color:var(--muted);
}

/* ---------- 标注条与行动区 ---------- */
.page-disclaimer .note{
  margin:20px 0 0;
  font-size:14px;
  line-height:1.85;
}
.page-disclaimer .dl-cta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:22px;
}

/* ---------- 联系方式 ---------- */
.page-disclaimer .dl-contact{
  display:grid;
  gap:12px;
  margin-top:22px;
}
.page-disclaimer .dl-contact__item{
  padding:16px;
  border:1px solid var(--line);
  border-left:2px solid var(--gold);
  border-radius:var(--dl-radius);
  background:rgba(21,26,36,.72);
}
.page-disclaimer .dl-contact__key{
  margin:0 0 8px;
  font-family:var(--font-mono);
  font-size:11px;
  letter-spacing:.14em;
  color:var(--gold);
}
.page-disclaimer .dl-contact__value{
  margin:0;
  font-size:14.5px;
  line-height:1.8;
  color:var(--paper);
  word-break:break-word;
}
.page-disclaimer .dl-contact .copy-chip{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  width:100%;
  max-width:100%;
  text-align:left;
  cursor:pointer;
}
.page-disclaimer .dl-contact .copy-chip__value{
  font-family:var(--font-mono);
  font-size:14px;
  letter-spacing:.02em;
  color:var(--paper);
  word-break:break-all;
}
.page-disclaimer .dl-contact .copy-chip__tag{
  flex:0 0 auto;
  font-size:12px;
  color:var(--sand);
}

/* ---------- 中屏 ---------- */
@media (min-width:720px){
  .page-disclaimer .dl-quick{ grid-template-columns:repeat(3, minmax(0,1fr)); }
  .page-disclaimer .wall{ grid-template-columns:repeat(2, minmax(0,1fr)); gap:18px 20px; }
  .page-disclaimer .wall > .clause:nth-child(even){ margin-top:24px; }
  .page-disclaimer .dl-contact{ grid-template-columns:repeat(2, minmax(0,1fr)); }
  .page-disclaimer .dl-hero{ padding:30px 0 38px; }
  .page-disclaimer .chapter + .chapter{ margin-top:56px; }
}

/* ---------- 桌面 ---------- */
@media (min-width:1080px){
  .page-disclaimer .rail-layout{
    grid-template-columns:200px minmax(0,1fr);
    gap:48px;
    padding:44px 0 80px;
  }
  .page-disclaimer .rail{
    display:block;
    position:sticky;
    top:var(--rail-top);
    align-self:start;
    padding-top:30px;
  }
  .page-disclaimer .wall{ grid-template-columns:repeat(3, minmax(0,1fr)); }
  .page-disclaimer .wall > .clause:nth-child(even){ margin-top:28px; }
  .page-disclaimer .wall > .clause:nth-child(3n){ margin-top:12px; }
  .page-disclaimer .dl-hero h1{ max-width:24ch; }
}

/* ---------- 动效偏好 ---------- */
@media (prefers-reduced-motion: reduce){
  .page-disclaimer .dl-quick__item,
  .page-disclaimer .clause,
  .page-disclaimer .rail__link,
  .page-disclaimer .clause__hint{
    transition:none;
  }
  .page-disclaimer .clause:hover,
  .page-disclaimer .dl-quick__item:hover{
    transform:none;
  }
}

/* ---------- 打印留存 ---------- */
@media print{
  .page-disclaimer .rail,
  .page-disclaimer .dl-quick,
  .page-disclaimer .dl-cta,
  .page-disclaimer .dl-hero::before{ display:none !important; }
  .page-disclaimer .dl-hero,
  .page-disclaimer .figure__frame,
  .page-disclaimer .clause,
  .page-disclaimer .dl-contact__item{
    background:#fff !important;
    border-color:#999 !important;
    box-shadow:none !important;
  }
  .page-disclaimer .dl-hero h1,
  .page-disclaimer .chapter__label,
  .page-disclaimer .clause__title,
  .page-disclaimer .clause__body,
  .page-disclaimer .chapter__lead,
  .page-disclaimer .dl-contact__value{
    color:#111 !important;
  }
  .page-disclaimer .clause,
  .page-disclaimer .dl-contact__item{ break-inside:avoid; }
  .page-disclaimer .clause__num{
    color:#111 !important;
    background:none !important;
    border:1px solid #999;
  }
}