:root{
  --deep:#4b2818;--brown:#744022;--orange:#df762f;--gold:#e5b33f;
  --cream:#fff8ec;--ink:#312a25;--muted:#71655d;--line:#ead8be;
  --shadow:0 18px 44px rgba(67,38,20,.15)
}
*{box-sizing:border-box}html{scroll-behavior:smooth}
body{margin:0;font-family:Tahoma,"Noto Sans Thai",sans-serif;color:var(--ink);background:linear-gradient(180deg,#fffaf2,#f1e9de)}
a{text-decoration:none;color:inherit}img{max-width:100%}button{font:inherit}
.site-header{position:sticky;top:0;z-index:100;min-height:70px;padding:8px max(18px,calc((100vw - 1400px)/2));display:flex;align-items:center;gap:18px;background:rgba(75,40,24,.97);color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.brand{display:flex;gap:10px;align-items:center;white-space:nowrap}.brand-icon{font-size:2rem}.brand b{display:block;color:#ffd77e;font-size:1.12rem}.brand small{display:block;font-weight:800}
.top-nav{display:flex;align-items:center;gap:4px;margin-left:auto;white-space:nowrap}.top-nav a{padding:10px 11px;border-radius:999px;color:#fff;font-weight:900;font-size:.93rem}.top-nav a:hover,.top-nav a.active{background:#fff;color:var(--deep)}
.menu-button{display:none}
.hero{background:#dff3ff;overflow:hidden}.hero picture,.hero img{display:block;width:100%}.hero img{height:auto;object-fit:contain}
.hero-icon-menu{max-width:1360px;margin:-22px auto 34px;position:relative;z-index:3;display:flex;overflow-x:auto;scroll-snap-type:x mandatory;background:#fff;border:1px solid var(--line);border-radius:26px;box-shadow:0 18px 42px rgba(58,33,21,.18);padding:9px 7px;scrollbar-width:none}
.hero-icon-menu::-webkit-scrollbar{display:none}
.hero-icon-link{flex:1 0 165px;min-width:165px;min-height:110px;scroll-snap-align:start;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;padding:12px 10px;text-align:center;color:var(--deep);font-weight:900;line-height:1.35;border-right:1px solid #eadfce;transition:.16s}
.hero-icon-link:last-child{border-right:0}.hero-icon-link:hover{background:#fff5df;transform:translateY(-2px)}.hero-icon-link.active{background:#f7d99d}.hero-icon{width:48px;height:48px;display:grid;place-items:center;border-radius:14px;background:#f6ead8;font-size:1.6rem}
.container{max-width:1240px;margin:auto;padding:40px 20px}.page-head{margin-bottom:25px}.page-head h1{margin:0 0 10px;color:var(--deep);font-size:clamp(2rem,4vw,3.6rem);line-height:1.12}.page-head p{color:var(--muted);font-size:1.07rem;line-height:1.85}
.section-title{margin:38px 0 17px;color:var(--deep);font-size:1.85rem}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow);line-height:1.85}.card h2,.card h3{margin-top:0;color:var(--deep)}.feature{transition:.2s}.feature:hover{transform:translateY(-4px)}.feature-icon{font-size:2.05rem}
.photo{display:block;width:100%;border-radius:22px;background:#fff;box-shadow:var(--shadow);cursor:zoom-in}
.timeline{display:grid;gap:18px}.event{display:grid;grid-template-columns:minmax(300px,430px) 1fr;gap:22px;align-items:center;background:#fff;border-radius:25px;padding:20px;box-shadow:var(--shadow)}.event:nth-child(even){grid-template-columns:1fr minmax(300px,430px)}.event:nth-child(even) img{order:2}.event h3{font-size:1.38rem;color:var(--deep);margin-top:0}.event p{font-size:1.03rem;line-height:1.95}
.gallery{display:grid;grid-template-columns:repeat(3,1fr);gap:16px}.gallery figure{margin:0;background:#fff;border-radius:20px;padding:12px;box-shadow:var(--shadow)}.gallery figcaption{padding:10px 4px 3px;color:var(--deep);font-weight:900;line-height:1.55}
.accordion{display:grid;gap:15px}.accordion details{background:#fff;border:1px solid var(--line);border-radius:20px;box-shadow:var(--shadow);overflow:hidden}.accordion summary{cursor:pointer;padding:20px 22px;font-weight:900;color:var(--deep);list-style:none}.accordion details>div{padding:0 22px 22px;line-height:1.9}
.note{padding:22px;border-radius:22px;background:var(--deep);color:#fff;line-height:1.9}
.quote{padding:20px;border-left:6px solid var(--orange);background:#fff7ed;border-radius:16px;line-height:1.9}
.tag{display:inline-block;padding:6px 12px;border-radius:999px;background:#f5e1b8;color:var(--deep);font-weight:900}
.quiz-wrap{max-width:960px;margin:auto}.progress-card{position:sticky;top:82px;z-index:20}.progress{height:14px;background:#eadfd4;border-radius:999px;overflow:hidden;margin-top:10px}.progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--orange),var(--gold))}
.qcard{background:#fff;border-radius:23px;padding:22px;margin:18px 0;box-shadow:var(--shadow)}.level-heading{margin:30px 0 12px;padding:16px 20px;border-radius:18px;background:var(--deep);color:#fff;font-size:1.22rem;font-weight:900}.option{display:grid;grid-template-columns:24px 32px 1fr;gap:8px;align-items:start;margin:9px 0;padding:13px;border:2px solid #e7dace;border-radius:15px;cursor:pointer}.option:hover{border-color:var(--orange);background:#fff7ef}.option input{margin-top:5px}
.btn{min-height:50px;padding:0 24px;border:2px solid var(--deep);border-radius:16px;background:#fff;color:var(--deep);font-weight:900}.btn.primary{background:var(--orange);border-color:var(--orange);color:#fff}
.result{display:none;background:#fff;border-radius:24px;padding:24px;margin-top:22px;box-shadow:var(--shadow)}.result.show{display:block}.review{padding:14px;margin:10px 0;border-radius:14px;line-height:1.7}.correct{background:#e7f3e8}.wrong{background:#fae8e4}
.lightbox{display:none;position:fixed;inset:0;z-index:500;align-items:center;justify-content:center;padding:26px;background:rgba(20,10,6,.94)}.lightbox.show{display:flex}.lightbox img{max-width:94vw;max-height:88vh;object-fit:contain;border-radius:14px}.lightbox-close{position:absolute;top:18px;right:20px;width:48px;height:48px;border:0;border-radius:50%;background:#fff;font-size:1.8rem}
.footer{margin-top:48px;background:var(--deep);color:#fff;text-align:center;padding:28px 20px;display:grid;gap:6px}
@media(max-width:1040px){
 .menu-button{display:block;margin-left:auto;border:0;border-radius:15px;background:#fff;color:var(--deep);padding:11px 15px;font-weight:900}
 .top-nav{display:none;position:absolute;top:calc(100% + 8px);left:12px;right:12px;flex-direction:column;align-items:stretch;gap:6px;margin:0;padding:12px;max-height:calc(100vh - 96px);overflow:auto;border-radius:20px;background:rgba(75,40,24,.98);box-shadow:0 18px 38px rgba(0,0,0,.3)}
 .top-nav.open{display:flex}.top-nav a{min-height:48px;display:flex;align-items:center;padding:12px 15px;border-radius:13px;background:#fff;color:var(--deep);font-size:1rem}
 .grid{grid-template-columns:repeat(2,1fr)}.grid-2,.event,.event:nth-child(even){grid-template-columns:1fr}.event:nth-child(even) img{order:0}.gallery{grid-template-columns:repeat(2,1fr)}
 .hero-icon-menu{margin:-10px 12px 30px}
}
@media(max-width:680px){
 .site-header{padding-top:max(8px,env(safe-area-inset-top));min-height:66px}
 .brand-icon{font-size:1.5rem}.brand b{font-size:.95rem}.brand small{font-size:.76rem}
 .container{padding:28px 14px}.grid,.gallery{grid-template-columns:1fr}.page-head h1{font-size:clamp(1.75rem,8vw,2.15rem)}
 .hero picture img{width:100%;height:auto;object-fit:contain!important}
 .hero-icon-menu{margin:0 10px 24px;padding:8px 5px;border-radius:20px}
 .hero-icon-link{flex-basis:132px;min-width:132px;min-height:98px;padding:10px 8px;font-size:.88rem}.hero-icon{width:42px;height:42px;font-size:1.35rem}
 .progress-card{top:76px}
}

.poetry-list{display:grid;gap:24px}
.poetry-card{
  display:grid;
  grid-template-columns:minmax(320px,460px) 1fr;
  gap:24px;
  align-items:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:26px;
  padding:20px;
  box-shadow:var(--shadow);
}
.poetry-card:nth-child(even){grid-template-columns:1fr minmax(320px,460px)}
.poetry-card:nth-child(even) img{order:-1}
.poetry-content h2{margin:10px 0;color:var(--deep);font-size:1.5rem}
.poetry-content p{line-height:1.9}
.source-note{font-size:.9rem;color:var(--muted)}
@media(max-width:900px){
  .poetry-card,.poetry-card:nth-child(even){grid-template-columns:1fr}
  .poetry-card:nth-child(even) img{order:0}
}
@media(max-width:680px){
  .poetry-card{padding:14px;gap:16px}
  .poetry-content h2{font-size:1.25rem}
}

.score-display{margin:16px 0;padding:18px;border-radius:20px;background:linear-gradient(135deg,var(--orange),var(--gold));color:#fff;font-size:clamp(2rem,6vw,3.4rem);font-weight:900;text-align:center;box-shadow:var(--shadow)}