:root{--deep:#4a281d;--brown:#6e3c26;--gold:#e3b34f;--cream:#fff8ed;--ink:#352a25;--muted:#75665d;--line:#ead9c1;--shadow:0 18px 42px rgba(69,39,24,.16)}
*{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,#f1e8dc)}a{text-decoration:none;color:inherit}img{max-width:100%}
.site-header{position:sticky;top:0;z-index:100;min-height:70px;padding:8px max(16px,calc((100vw - 1400px)/2));display:flex;align-items:center;gap:18px;background:rgba(74,40,29,.98);color:#fff;box-shadow:0 8px 24px rgba(0,0,0,.2)}
.brand{display:flex;align-items:center;gap:10px}.brand-icon{font-size:1.9rem}.brand b{display:block;color:#ffd77d}.brand small{display:block;font-weight:800}.top-nav{display:flex;gap:4px;margin-left:auto;white-space:nowrap}.top-nav a{padding:10px 11px;border-radius:999px;font-weight:900}.top-nav a:hover,.top-nav a.active{background:#fff;color:var(--deep)}.menu-button{display:none}
.hero{background:#dff3ff}.hero img{display:block;width:100%;height:auto;object-fit:contain}
.hero-icon-menu{max-width:1360px;margin:-18px auto 32px;position:relative;z-index:3;display:flex;overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:24px;box-shadow:var(--shadow);scrollbar-width:none}.hero-icon-menu::-webkit-scrollbar{display:none}.hero-icon-link{flex:1 0 155px;min-width:155px;min-height:106px;display:flex;flex-direction:column;justify-content:center;align-items:center;gap:8px;padding:12px;text-align:center;font-weight:900;color:var(--deep);border-right:1px solid #eadfce}.hero-icon-link:last-child{border-right:0}.hero-icon-link:hover,.hero-icon-link.active{background:#fae4b4}.hero-icon{font-size:1.7rem}
.container{max-width:1240px;margin:auto;padding:40px 20px}.page-head h1{margin:0 0 10px;color:var(--deep);font-size:clamp(2rem,4vw,3.5rem)}.page-head p{color:var(--muted);font-size:1.06rem;line-height:1.85}.section-title{color:var(--deep);margin:38px 0 18px;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)}.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:24px;padding:18px;box-shadow:var(--shadow)}.event:nth-child(even){grid-template-columns:1fr minmax(300px,430px)}.event:nth-child(even) img{order:2}.event h3{color:var(--deep);font-size:1.35rem}.event p{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 2px;font-weight:900;color:var(--deep);line-height:1.5}
.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{padding:19px 22px;font-weight:900;color:var(--deep);cursor:pointer}.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(--gold);background:#fff8e8;border-radius:16px;line-height:1.9}.tag{display:inline-block;padding:6px 12px;border-radius:999px;background:#f4dfb5;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,#b65a31,var(--gold))}.qcard{background:#fff;border-radius:22px;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-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:#b65a31;background:#fff7ef}.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:#b65a31;color:#fff;border-color:#b65a31}.result{display:none;background:#fff;border-radius:24px;padding:24px;margin-top:22px;box-shadow:var(--shadow)}.result.show{display:block}.score-display{margin:16px 0;padding:18px;border-radius:20px;background:linear-gradient(135deg,#b65a31,var(--gold));color:#fff;font-size:clamp(2rem,6vw,3.3rem);font-weight:900;text-align:center}.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}.lightbox-close{position:absolute;top:18px;right:20px;width:48px;height:48px;border:0;border-radius:50%;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:14px;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;background:var(--deep);padding:12px;border-radius:18px}.top-nav.open{display:flex}.top-nav a{background:#fff;color:var(--deep)}.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:-8px 12px 28px}}
@media(max-width:680px){.container{padding:28px 14px}.grid,.gallery{grid-template-columns:1fr}.brand b{font-size:.95rem}.brand small{font-size:.76rem}.hero img{width:100%;height:auto;object-fit:contain!important}.hero-icon-menu{margin:0 10px 24px}.hero-icon-link{min-width:132px;min-height:96px;font-size:.88rem}.page-head h1{font-size:clamp(1.75rem,8vw,2.2rem)}}