:root{
  --wine:#6f1827; --wine2:#922b3c; --deep:#351016; --rose:#c64c63;
  --green:#254b37; --cream:#fff8ef; --paper:#fffdf9; --gold:#d5a94a;
  --ink:#332b2d; --muted:#6e6466; --line:#ead9d6;
  --shadow:0 18px 44px rgba(65,20,30,.14);
}
*{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,#fffaf5,#f3eee7)}
a{text-decoration:none;color:inherit}
img{max-width:100%}
button{font:inherit}
.site-header{position:sticky;top:0;z-index:100;display:flex;align-items:center;gap:18px;
min-height:74px;padding:10px max(18px,calc((100vw - 1320px)/2));
background:rgba(53,16,22,.97);color:white;box-shadow:0 8px 28px rgba(0,0,0,.18);backdrop-filter:blur(10px)}
.brand{display:flex;align-items:center;gap:10px;white-space:nowrap}
.rose{font-size:2rem}.brand b{display:block;color:#ffe1a0;font-size:1.16rem}.brand small{display:block;font-weight:700}
.nav-links{margin-left:auto;display:flex;align-items:center;gap:3px}
.nav-links a{font-weight:800;padding:10px 12px;border-radius:999px}
.nav-links a:hover,.nav-links a.active{background:#fff;color:var(--wine)}
.menu-button{display:none;margin-left:auto;border:0;border-radius:14px;padding:11px 15px;font-weight:900;color:var(--wine);background:#fff}
.hero{background:#143223;overflow:hidden}
.hero img{display:block;width:100%;height:auto;object-fit:contain}
.hero-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap;padding:18px;background:#fff7eb}
.btn{min-height:52px;padding:0 25px;display:inline-flex;align-items:center;justify-content:center;
border:2px solid var(--wine);border-radius:16px;background:#fff;color:var(--wine);font-weight:900}
.btn.primary{background:var(--wine);color:#fff}
.container{max-width:1240px;margin:auto;padding:42px 20px}
.page-head{margin-bottom:28px}.page-head h1{margin:0 0 10px;color:var(--wine);font-size:clamp(2.4rem,5vw,4.6rem);line-height:1.13}
.page-head p{color:var(--muted);font-size:1.08rem;line-height:1.85}
.grid{display:grid;grid-template-columns:repeat(3,1fr);gap:18px}
.grid-2{display:grid;grid-template-columns:1fr 1fr;gap:22px}
.card{background:rgba(255,255,255,.97);border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow);line-height:1.82}
.card h2,.card h3{margin-top:0;color:var(--wine)}
.feature{transition:.2s}.feature:hover{transform:translateY(-4px)}
.feature-icon{font-size:2.1rem}
.tag{display:inline-block;background:#f7e2e5;color:var(--wine);font-weight:900;padding:6px 12px;border-radius:999px}
.photo{display:block;width:100%;border-radius:22px;background:#fff;box-shadow:var(--shadow);cursor:zoom-in}
.intro{display:grid;grid-template-columns:1.05fr .95fr;gap:24px;align-items:center}
.quick{display:grid;grid-template-columns:repeat(4,1fr);gap:15px}
.quick-item{text-align:center;background:#fff;border-radius:22px;padding:20px;box-shadow:var(--shadow)}
.quick-item strong{display:block;color:var(--wine);margin:8px 0}
.info-table{width:100%;border-collapse:collapse;background:white;border-radius:20px;overflow:hidden;box-shadow:var(--shadow)}
.info-table th,.info-table td{padding:15px;border-bottom:1px solid var(--line);vertical-align:top;text-align:left}
.info-table th{background:#f8e8e9;color:var(--wine);width:28%}
.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:1.42rem;color:var(--wine);margin-top:0}
.section-title{margin:38px 0 18px;color:var(--wine);font-size:2rem}
.character-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.character{display:grid;grid-template-columns:150px 1fr;gap:17px;align-items:start}
.character img{width:150px;border-radius:18px;cursor:zoom-in}
.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(--wine);list-style:none}
.accordion details>div{padding:0 22px 22px;line-height:1.85}
.example{margin:15px 0;padding:18px;border-left:6px solid var(--rose);background:#fff2f3;border-radius:12px;line-height:1.8}
.note{padding:22px;border-radius:22px;background:var(--deep);color:#fff;line-height:1.85}
.quiz-wrap{max-width:960px;margin:auto}
.progress-card{position:sticky;top:86px;z-index:20}
.progress{height:14px;background:#e5dcda;border-radius:999px;overflow:hidden;margin-top:10px}
.progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--wine),var(--gold))}
.qcard{background:#fff;border-radius:23px;padding:22px;margin:18px 0;box-shadow:var(--shadow)}
.option{display:grid;grid-template-columns:24px 32px 1fr;gap:8px;align-items:start;margin:9px 0;padding:13px;border:2px solid #e5d8d6;border-radius:15px;cursor:pointer}
.option:hover{border-color:var(--wine);background:#fff7f7}.option input{margin-top:5px}
.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(20,8,11,.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:white;font-size:1.8rem;cursor:pointer}
.footer{margin-top:48px;background:var(--deep);color:white;text-align:center;padding:28px 20px;display:grid;gap:6px}
@media(max-width:980px){
 .menu-button{display:block}.nav-links{display:none}
 .nav-links.open{position:absolute;left:12px;right:12px;top:72px;display:flex;flex-direction:column;align-items:stretch;background:white;color:var(--wine);padding:12px;border-radius:18px;box-shadow:var(--shadow)}
 .grid{grid-template-columns:repeat(2,1fr)}.intro,.grid-2,.event,.event:nth-child(even){grid-template-columns:1fr}
 .event:nth-child(even) img{order:0}.quick{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:680px){
 .site-header{min-height:64px;padding:8px 14px}.brand b{font-size:1rem}.brand small{font-size:.82rem}
 .container{padding:28px 14px}.grid,.character-grid,.quick{grid-template-columns:1fr}
 .hero img{width:100%;height:auto;object-fit:contain;object-position:center top}
 .hero-actions{display:grid;grid-template-columns:1fr;padding:14px}.btn{width:100%}
 .page-head h1{font-size:2.55rem}.character{grid-template-columns:100px 1fr}.character img{width:100px}
 .progress-card{top:76px}.info-table th{width:38%}
}

.quiz-level-divider{display:flex;align-items:center;gap:16px;margin:34px 0 14px;padding:20px 22px;border-radius:22px;background:linear-gradient(135deg,var(--deep),var(--wine2));color:#fff;box-shadow:var(--shadow)}
.quiz-level-divider h2{margin:0 0 4px;font-size:1.55rem}.quiz-level-divider p{margin:0;line-height:1.6;color:#ffecef}
.quiz-level-number{flex:0 0 54px;width:54px;height:54px;border-radius:50%;display:grid;place-items:center;background:#fff;color:var(--wine);font-size:1.25rem;font-weight:900}
@media(max-width:680px){.quiz-level-divider{align-items:flex-start;padding:17px}.quiz-level-divider h2{font-size:1.3rem}.quiz-level-number{flex-basis:46px;width:46px;height:46px}}