:root{
  --bg:#FCFCFA; --page:#EDEDED; --text:#27313F; --muted:#6D6258;
  --blue:#2F6B4F; --blue-soft:#F0F7F3; --red:#B03A2E; --green:#1A7A4A;
  --purple:#6D28D9; --orange:#8A5A22; --orange-soft:#FFF8EC; --border:#B8D8C4; --card:#FFFFFF;
  --shadow:0 10px 28px rgba(0,0,0,.08);
  --title:clamp(1.34rem, 2.2vw, 1.76rem);
  --subtitle:clamp(.8rem, 1.2vw, .98rem);
  --body:clamp(.92rem, 1.18vw, 1.02rem);
  --small:clamp(.8rem, 1vw, .92rem);
  --card-title:clamp(.96rem, 1.25vw, 1.08rem);
}
*{box-sizing:border-box}
html,body{margin:0!important;padding:0!important;width:100%!important;min-height:100%!important;height:auto!important;overflow-x:hidden!important;overflow-y:auto!important;background:var(--page)!important;color:var(--text)!important;font-family:"Lora", Georgia, serif!important;}
body{display:flex!important;justify-content:center!important;align-items:flex-start!important;padding:clamp(8px,1.8vw,18px)!important;}
.slide{width:min(100%,1280px)!important;max-width:1280px!important;min-height:min(720px, calc(100vh - 2*clamp(8px,1.8vw,18px)))!important;height:auto!important;background:var(--bg)!important;color:var(--text)!important;display:flex!important;flex-direction:column!important;position:relative!important;overflow:visible!important;border:1px solid rgba(0,0,0,.04)!important;box-shadow:var(--shadow)!important;}
.hdr{display:flex!important;align-items:flex-start!important;justify-content:space-between!important;gap:14px!important;padding:clamp(10px,1.5vw,15px) clamp(16px,2.4vw,30px)!important;margin:clamp(10px,1.5vw,14px) clamp(16px,3vw,40px) clamp(6px,1vw,10px)!important;background:#F0F7F3!important;border-left:5px solid var(--blue)!important;border-radius:6px!important;flex-shrink:0!important;}
.hdr-inner{display:flex!important;flex-direction:column!important;min-width:0!important;}
.hdr-title{font-family:"Inter",sans-serif!important;font-weight:700!important;font-size:var(--title)!important;color:var(--blue)!important;line-height:1.18!important;letter-spacing:0!important;margin:0!important;text-transform:none!important;}
.hdr-sub{font-family:"Inter",sans-serif!important;font-weight:400!important;font-size:var(--subtitle)!important;color:var(--muted)!important;line-height:1.35!important;margin-top:3px!important;text-transform:uppercase!important;letter-spacing:.045em!important;}
.slide-num{font-family:"Inter",sans-serif!important;font-size:.78rem!important;color:#98A4B5!important;white-space:nowrap!important;align-self:center!important;}
.body{flex:1 1 auto!important;width:100%!important;display:grid!important;grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr))!important;gap:clamp(12px,1.8vw,18px)!important;padding:clamp(10px,1.5vw,14px) clamp(16px,3vw,40px) clamp(16px,2.3vw,26px)!important;align-items:start!important;min-height:0!important;overflow:visible!important;}
.col{min-width:0!important;display:flex!important;flex-direction:column!important;gap:clamp(10px,1.5vw,14px)!important;justify-content:flex-start!important;overflow:visible!important;}
.card{background:var(--card)!important;border:1px solid var(--border)!important;border-radius:9px!important;padding:clamp(12px,1.7vw,18px)!important;box-shadow:0 2px 10px rgba(0,0,0,.045)!important;min-width:0!important;overflow:visible!important;border-top:3px solid var(--blue)!important;}
.card.red{border-top-color:var(--red)!important}.card.green{border-top-color:var(--green)!important}.card.purple{border-top-color:var(--purple)!important}.card.orange{border-top-color:var(--orange)!important}
.guide-card{grid-column:1 / -1!important;background:#FFFDF8!important;}
.guide-card p{font-size:clamp(.95rem,1.2vw,1.05rem)!important;line-height:1.62!important;margin:.45rem 0!important;}
.ch{font-family:"Inter",sans-serif!important;font-weight:700!important;font-size:var(--card-title)!important;line-height:1.25!important;color:var(--blue)!important;display:flex!important;align-items:center!important;gap:8px!important;margin-bottom:clamp(4px,.8vw,8px)!important;text-transform:none!important;letter-spacing:.015em!important;}
.ch.red{color:var(--red)!important}.ch.green{color:var(--green)!important}.ch.purple{color:var(--purple)!important}.ch.orange{color:var(--orange)!important}
p,li,td{font-family:"Lora", Georgia, serif!important;font-size:var(--body)!important;line-height:1.58!important;color:var(--text)!important;text-align:justify!important;}
p{margin:.35rem 0!important;}
.bullet,.numbered{margin:.35rem 0!important;padding-left:1.2rem!important;}
.bullet{list-style:none!important;}
.numbered{padding-left:1.4rem!important;}
li{position:relative!important;margin-bottom:.33rem!important;padding-left:.25rem!important;}
.bullet li::before{content:"\25B8"!important;color:var(--blue)!important;position:absolute!important;left:-1rem!important;top:.05rem!important;font-size:.75em!important;}
.eq{background:#F8F9FA!important;border:1px solid #D5D8DC!important;border-radius:8px!important;text-align:center!important;font-size:clamp(.95rem,1.2vw,1.06rem)!important;line-height:1.45!important;overflow-x:auto!important;overflow-y:hidden!important;max-width:100%!important;white-space:normal!important;-webkit-overflow-scrolling:touch!important;scrollbar-gutter:stable!important;padding:11px!important;margin:10px 0!important;}
.key-eq{background:var(--orange-soft)!important;border:2px solid rgba(138,90,34,.35)!important;box-shadow:inset 0 0 0 1px rgba(255,255,255,.65)!important;}
.eq::-webkit-scrollbar,.eq mjx-container::-webkit-scrollbar{height:8px!important;}
.eq::-webkit-scrollbar-thumb,.eq mjx-container::-webkit-scrollbar-thumb{background:#9BBEAA!important;border-radius:999px!important;}
.eq::-webkit-scrollbar-track,.eq mjx-container::-webkit-scrollbar-track{background:#E8F1EC!important;border-radius:999px!important;}
.eq mjx-container,mjx-container{max-width:100%!important;overflow-x:auto!important;overflow-y:hidden!important;white-space:nowrap!important;}
.callout{background:#FFF8F6!important;border-left:4px solid var(--red)!important;border-radius:0 8px 8px 0!important;padding:12px 14px!important;margin-top:10px!important;font-family:"Inter",sans-serif!important;font-size:var(--small)!important;line-height:1.45!important;color:#394B5D!important;}
.book-figure{margin:2px 0 12px!important;padding:0!important;border:1px solid #B8D8C4!important;border-radius:8px!important;overflow:hidden!important;background:#FFFFFF!important;}
.book-figure img{display:block!important;width:100%!important;height:auto!important;object-fit:contain!important;background:#FFFFFF!important;}
.book-figure figcaption{font-family:"Inter",sans-serif!important;font-size:.73rem!important;line-height:1.35!important;color:#526173!important;padding:8px 10px!important;background:#F8FAFC!important;border-top:1px solid #E4E9F0!important;}
.table-wrap{max-width:100%!important;overflow-x:auto!important;border-radius:8px!important;border:1px solid var(--border)!important;margin-top:10px!important;}
table{width:100%!important;min-width:420px!important;border-collapse:collapse!important;font-family:"Inter",sans-serif!important;font-size:var(--small)!important;}
th{background:var(--blue)!important;color:white!important;padding:7px 10px!important;text-align:left!important;}
td{padding:7px 10px!important;border-bottom:1px solid #EEF1F5!important;text-align:left!important;}
.resource-links,.source-note{grid-column:1 / -1!important;background:#F8FAFC!important;border:1px solid #B8D8C4!important;border-radius:9px!important;padding:10px 14px!important;font-family:"Inter",sans-serif!important;font-size:.78rem!important;line-height:1.45!important;color:#526173!important;}
.resource-links{border-left:4px solid var(--blue)!important;display:flex!important;align-items:center!important;justify-content:space-between!important;gap:10px!important;flex-wrap:wrap!important;}
.resource-links strong{color:var(--blue)!important;}
.resource-link-list{display:flex!important;gap:8px!important;flex-wrap:wrap!important;}
.resource-link-list a{display:inline-flex!important;align-items:center!important;text-decoration:none!important;color:var(--blue)!important;background:#F0F7F3!important;border:1px solid #B8D8C4!important;border-radius:999px!important;padding:5px 10px!important;font-weight:700!important;}
.source-note{border-left:4px solid var(--orange)!important;border-radius:0 9px 9px 0!important;}
.source-note strong{color:var(--orange)!important;}
.index-back-button{width:fit-content!important;display:inline-flex!important;align-items:center!important;gap:6px!important;text-decoration:none!important;font-family:"Inter",sans-serif!important;font-size:0.78rem!important;font-weight:700!important;color:var(--blue)!important;background:#F0F7F3!important;border:1px solid #B8D8C4!important;padding:5px 10px!important;border-radius:7px!important;margin-bottom:8px!important;transition:0.18s ease!important;}
.index-back-button:hover{background:#FFEAD5!important;transform:translateY(-1px)!important;}
.chapter-label{display:inline-flex!important;align-items:center!important;align-self:flex-start!important;width:fit-content!important;gap:8px!important;background:var(--blue-soft)!important;color:var(--blue)!important;border-radius:999px!important;padding:8px 14px!important;font-family:"Inter",sans-serif!important;font-size:.84rem!important;font-weight:800!important;margin-bottom:18px!important;}
@media (max-width:900px){
  body{padding:0!important;background:var(--bg)!important;}
  .slide{width:100%!important;max-width:none!important;min-height:100vh!important;border:0!important;box-shadow:none!important;}
  .hdr{margin:10px 12px 6px!important;padding:11px 14px!important;}
  .body{grid-template-columns:1fr!important;padding:10px 12px 18px!important;gap:12px!important;}
  .slide-num{display:none!important;}
  p,li,td{text-align:left!important;}
  .resource-links{align-items:flex-start!important;flex-direction:column!important;}
}
@media (max-width:520px){
  :root{--title:1.22rem;--subtitle:.76rem;--body:.94rem;--card-title:.98rem;}
  .hdr{flex-direction:column!important;}
  .card{padding:12px!important;}
  table{min-width:360px!important;}
  .resource-link-list a{width:100%!important;justify-content:center!important;}
}