:root{--g:#2e5d43;--g2:#3f7b59;--gold:#f3c95d;--ink:#30343b;--muted:#767b84;--line:#e7ddd2;--shadow:0 14px 34px rgba(45,65,55,.14)}*{box-sizing:border-box}html,body{margin:0;max-width:100%;overflow-x:hidden}body{font-family:'Mali',Tahoma,sans-serif;color:var(--ink);background:linear-gradient(180deg,#fffaf4,#f4eee6)}a{text-decoration:none;color:inherit}img{display:block;max-width:100%;height:auto}.site-header{position:sticky;top:0;z-index:100;min-height:72px;padding:8px clamp(10px,2vw,26px);display:flex;align-items:center;gap:14px;background:rgba(46,93,67,.98);color:#fff;box-shadow:0 8px 22px rgba(0,0,0,.13)}.brand{display:flex;align-items:center;gap:10px;min-width:0}.brand-icon{font-size:2rem;flex:0 0 auto}.brand b{display:block;color:#ffe49a;font-family:'Itim';font-size:1.08rem;line-height:1.2}.brand small{display:block;font-size:.74rem;font-weight:700}.top-nav{display:flex;gap:2px;margin-left:auto;white-space:nowrap}.top-nav a{padding:10px 9px;border-radius:999px;font-weight:800;white-space:nowrap}.top-nav a:hover,.top-nav a.active{background:#fff;color:var(--g)}.menu-button{display:none;margin-left:auto;border:0;border-radius:14px;background:#fff;color:var(--g);padding:11px 15px;font-family:'Itim';font-weight:900;white-space:nowrap}.hero{width:100%;background:#eff4ec}.hero img{width:100%;height:auto;object-fit:contain}.hero-menu{width:min(1280px,calc(100% - 24px));margin:-14px auto 30px;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-menu::-webkit-scrollbar{display:none}.hero-link{flex:1 0 165px;min-width:165px;min-height:104px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:7px;padding:12px;text-align:center;font-weight:800;color:var(--g);border-right:1px solid #eee3d7}.hero-link span:last-child{white-space:nowrap}.hero-icon{font-size:1.7rem}.container{width:min(1240px,100%);margin:auto;padding:42px 20px;min-width:0}.page-head h1{margin:0 0 10px;color:var(--g);font-family:'Itim';font-size:clamp(2rem,4vw,3.3rem);line-height:1.2}.page-head p{color:var(--muted);font-size:1.05rem;line-height:1.9}.section-title{color:var(--g);margin:40px 0 18px;font-family:'Itim';font-size:1.9rem}.grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}.card{background:#fff;border:1px solid var(--line);border-radius:24px;padding:22px;box-shadow:var(--shadow);line-height:1.9;min-width:0}.card h2,.card h3{margin-top:0;color:var(--g);font-family:'Itim';line-height:1.3}.photo{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,470px) minmax(0,1fr);gap:22px;align-items:center;background:#fff;border-radius:24px;padding:18px;box-shadow:var(--shadow)}.event:nth-child(even){grid-template-columns:minmax(0,1fr) minmax(300px,470px)}.event:nth-child(even) img{order:2}.event h3{color:var(--g);font-family:'Itim';font-size:1.4rem}.event p{line-height:1.9}.gallery{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}.gallery-card{background:#fff;padding:16px;border-radius:22px;box-shadow:var(--shadow);min-width:0}.gallery-card h3{color:var(--g);font-family:'Itim';margin:8px 6px 12px}.gallery-card img{width:100%;border-radius:16px;cursor:zoom-in}.pill{display:inline-block;padding:6px 12px;border-radius:999px;background:#e9f2eb;color:var(--g);font-weight:800;white-space:nowrap}.quiz-wrap{max-width:980px;margin:auto}.progress-card{position:sticky;top:82px;z-index:20}.progress{height:14px;background:#eee7df;border-radius:999px;overflow:hidden;margin-top:10px}.progress-bar{height:100%;width:0;background:linear-gradient(90deg,var(--g2),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(--g);color:#fff;font-family:'Itim';font-weight:900}.option{display:grid;grid-template-columns:24px 32px minmax(0,1fr);gap:8px;align-items:start;margin:9px 0;padding:13px;border:2px solid #e2e8e4;border-radius:15px}.btn{min-height:50px;padding:0 24px;border:2px solid var(--g);border-radius:16px;background:#fff;color:var(--g);font-family:'Itim';font-weight:900}.btn.primary{background:var(--g2);color:#fff}.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,var(--g2),var(--gold));color:#fff;font-family:'Itim';font-size:3rem;font-weight:900;text-align:center}.review{padding:14px;margin:10px 0;border-radius:14px;line-height:1.7}.correct{background:#e7f4e9}.wrong{background:#fde9e5}.lightbox{display:none;position:fixed;inset:0;z-index:500;align-items:center;justify-content:center;padding:26px;background:rgba(15,30,22,.94)}.lightbox.show{display:flex}.lightbox img{max-width:94vw;max-height:88vh}.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(--g);color:#fff;text-align:center;padding:28px 20px;display:grid;gap:6px}
@media(max-width:1080px){.menu-button{display:block}.top-nav{display:none;position:absolute;top:calc(100% + 8px);left:12px;right:12px;max-height:70vh;overflow:auto;flex-direction:column;background:var(--g);padding:12px;border-radius:18px}.top-nav.open{display:flex}.top-nav a{background:#fff;color:var(--g);text-align:center}.grid{grid-template-columns:repeat(2,minmax(0,1fr))}.grid-2,.event,.event:nth-child(even){grid-template-columns:minmax(0,1fr)}.event:nth-child(even) img{order:0}}
@media(max-width:680px){.site-header{min-height:74px;padding:8px 10px}.brand{max-width:calc(100% - 108px);gap:7px}.brand-icon{font-size:1.65rem}.brand b{font-size:.84rem}.brand small{font-size:.64rem}.menu-button{padding:10px 13px}.hero-menu{width:calc(100% - 16px);margin:8px auto 24px}.hero-link{flex:0 0 148px;min-width:148px;min-height:92px;padding:9px 8px;font-size:.84rem}.container{padding:28px 14px}.page-head h1{font-size:clamp(1.8rem,9vw,2.35rem)}.grid,.gallery{grid-template-columns:minmax(0,1fr)}.card{padding:18px}.event{padding:14px}.event h3{font-size:1.25rem}}


/* Cover image sizing */
.hero{
  width:100%;
  display:flex;
  justify-content:center;
  align-items:center;
  overflow:hidden;
  background:#eff4ec;
}
.hero img{
  display:block;
  width:100%;
  height:min(72vh,760px);
  object-fit:contain;
  object-position:center;
}
@media (max-width:768px){
  .hero img{
    width:100%;
    height:auto;
    max-height:none;
    object-fit:contain;
  }
}

/* v4: หน้าปกพอดีกับหน้าเว็บไซต์ */
.hero{
  width:100%;
  margin:0;
  padding:0;
  overflow:hidden;
  background:transparent;
}
.hero img{
  display:block;
  width:100%;
  height:auto;
  max-height:none;
  margin:0;
  padding:0;
  object-fit:contain;
  object-position:center;
}
@media (max-width:768px){
  .hero,
  .hero img{
    width:100%;
    max-width:100%;
  }
  .hero img{
    height:auto;
    max-height:none;
  }
}