.manual-hero-card{
  background:linear-gradient(145deg,#fff,#f3f7ff)
}
.manual-hero-card .hero-card-symbol{
  background:linear-gradient(135deg,var(--blue),var(--green))
}
.manual-layout{
  display:grid;grid-template-columns:275px minmax(0,1fr);gap:34px;align-items:start
}
.manual-nav{
  position:sticky;top:calc(var(--header-h) + 22px);padding:20px;
  border:1px solid var(--line);border-radius:23px;background:#fff;box-shadow:var(--shadow-sm)
}
.manual-nav strong{
  display:block;margin-bottom:12px;font-family:"Cormorant Garamond",serif;font-size:1.6rem
}
.manual-nav a{
  display:block;padding:9px 11px;border-radius:11px;color:var(--ink-soft);
  text-decoration:none;font-size:.84rem;font-weight:750
}
.manual-nav a:hover{background:var(--cream);color:var(--blue)}
.manual-content{display:grid;gap:18px}
.manual-chapter{
  overflow:hidden;border:1px solid var(--line);border-radius:25px;background:#fff;
  box-shadow:var(--shadow-sm)
}
.manual-chapter summary{
  position:relative;display:grid;grid-template-columns:52px 1fr auto;
  gap:17px;align-items:center;padding:24px 25px;cursor:pointer;list-style:none
}
.manual-chapter summary::-webkit-details-marker{display:none}
.chapter-number{
  width:49px;height:49px;display:grid;place-items:center;border-radius:16px;
  background:var(--cream);color:var(--blue);font-family:"Cormorant Garamond",serif;
  font-size:1.45rem;font-weight:700
}
.chapter-title strong{
  display:block;font-family:"Cormorant Garamond",serif;font-size:1.8rem;line-height:1
}
.chapter-title span{display:block;margin-top:5px;color:var(--ink-soft);font-size:.82rem}
.chapter-toggle{
  color:var(--blue);font-family:"Cormorant Garamond",serif;font-size:2rem
}
.manual-chapter[open] .chapter-toggle{transform:rotate(45deg)}
.chapter-body{padding:0 25px 28px 94px}
.chapter-body p{color:var(--ink-soft)}
.chapter-body h3{margin:26px 0 8px;font-size:1rem}
.chapter-body ul{padding-left:20px;color:var(--ink-soft)}
.chapter-body li{margin:8px 0}
.chapter-note{
  margin-top:18px;padding:16px 18px;border-left:3px solid var(--gold);
  border-radius:0 17px 17px 0;background:var(--cream);color:var(--ink-soft);font-size:.86rem
}
.manual-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:15px;margin:20px 0
}
.manual-mini{
  padding:19px;border:1px solid var(--line);border-radius:18px;background:#f9fbfd
}
.manual-mini strong{display:block;color:var(--blue);font-size:.83rem}
.manual-mini span{display:block;margin-top:5px;color:var(--ink-soft);font-size:.82rem}
.manual-search{
  position:relative;margin-bottom:22px
}
.manual-search input{
  width:100%;min-height:56px;padding:0 50px 0 18px;border:1px solid var(--line);
  border-radius:18px;background:#fff;box-shadow:var(--shadow-sm)
}
.manual-search span{
  position:absolute;right:17px;top:50%;transform:translateY(-50%);color:var(--ink-soft)
}
.manual-empty{
  display:none;padding:30px;border:1px dashed var(--line);border-radius:22px;
  text-align:center;color:var(--ink-soft)
}
.manual-empty.show{display:block}
@media(max-width:900px){
  .manual-layout{grid-template-columns:1fr}
  .manual-nav{position:static;display:flex;gap:5px;overflow-x:auto}
  .manual-nav strong{display:none}
  .manual-nav a{flex:0 0 auto}
}
@media(max-width:620px){
  .manual-chapter summary{grid-template-columns:46px 1fr auto;padding:19px}
  .chapter-body{padding:0 19px 24px}
  .manual-grid{grid-template-columns:1fr}
}