:root{--bg:#fffaf3;--card:#ffffff;--ink:#3b2a14;--ink2:#6b5a44;--line:#efe0c2;--gold:#f5c542;--gold2:#e8a320;--green:#43c463;--green2:#2f9e50;--blue:#2f7cf6;--soft:#fff4dc}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:84px}
body{margin:0;background:var(--bg);color:var(--ink);font:500 16px/1.62 'Be Vietnam Pro',system-ui,sans-serif;-webkit-text-size-adjust:100%}
a{color:#1d7a3a;font-weight:600}
img{max-width:100%}
.top{position:sticky;top:0;z-index:20;display:flex;align-items:center;gap:12px;padding:10px max(16px,env(safe-area-inset-right)) 10px max(16px,env(safe-area-inset-left));background:rgba(255,250,243,.92);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);border-bottom:1.5px solid var(--line)}
.top .logo{height:40px;width:auto}
.top b{font:800 20px/1 'Baloo 2',sans-serif;color:#7a3a0c;white-space:nowrap}
.top .sp{flex:1}
.btn{display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:999px;text-decoration:none;font:800 15px/1 'Baloo 2',sans-serif;white-space:nowrap;border:0}
.btn.play{background:linear-gradient(180deg,#7ee38f,var(--green));color:#fff;box-shadow:0 3px 0 var(--green2)}
.btn.ghost{background:#fff;color:#7a3a0c;border:2px solid var(--line)}
.hero{max-width:1180px;margin:0 auto;padding:34px 16px 10px;display:grid;grid-template-columns:1.1fr .9fr;gap:24px;align-items:center}
.hero h1{margin:0 0 10px;font:800 clamp(30px,5vw,48px)/1.05 'Baloo 2',sans-serif;color:#7a3a0c}
.hero p{margin:0 0 16px;color:var(--ink2);font-size:17px}
.hero .shots{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.hero .shots img{border-radius:18px;border:3px solid #fff;box-shadow:0 8px 24px rgba(90,60,20,.18);aspect-ratio:4/3;object-fit:cover;width:100%}
.hero .cta{display:flex;gap:10px;flex-wrap:wrap}
.wrap{max-width:1180px;margin:0 auto;padding:10px 16px 60px;display:grid;grid-template-columns:250px 1fr;gap:28px;align-items:start}
nav.toc{position:sticky;top:78px;display:flex;flex-direction:column;gap:3px;max-height:calc(100vh - 96px);overflow:auto;padding:10px;background:var(--card);border:1.5px solid var(--line);border-radius:18px}
nav.toc b{font:800 15px 'Baloo 2',sans-serif;color:#7a3a0c;padding:4px 8px}
nav.toc a{display:flex;align-items:center;gap:8px;padding:6px 8px;border-radius:10px;text-decoration:none;color:var(--ink);font-weight:600;font-size:14.5px}
nav.toc a:hover,nav.toc a.on{background:var(--soft);color:#7a3a0c}
nav.toc img{width:26px;height:26px;object-fit:contain;flex:none}
main{min-width:0}
section{background:var(--card);border:1.5px solid var(--line);border-radius:22px;padding:22px 24px;margin-bottom:18px;box-shadow:0 2px 0 rgba(90,60,20,.04)}
section h2{display:flex;align-items:center;gap:10px;margin:0 0 12px;font:800 clamp(22px,3vw,28px)/1.15 'Baloo 2',sans-serif;color:#7a3a0c}
section h2 img{width:44px;height:44px;object-fit:contain}
section h3{margin:20px 0 8px;font:800 19px/1.25 'Baloo 2',sans-serif;color:#5a3a12}
section p{margin:0 0 10px}
ul,ol{margin:4px 0 12px;padding-left:22px}
li{margin:4px 0}
kbd{display:inline-block;min-width:24px;padding:1px 7px;margin:0 1px;border-radius:7px;border:1.5px solid #e2cfa8;border-bottom-width:3px;background:#fff;font:700 13px/1.5 'Be Vietnam Pro',sans-serif;color:#5a3a12;text-align:center}
.tw{overflow-x:auto;margin:8px 0 14px;border:1.5px solid var(--line);border-radius:14px;-webkit-overflow-scrolling:touch}
table{border-collapse:collapse;width:100%;font-size:14.5px;background:#fff}
th{background:var(--soft);color:#7a3a0c;font:800 14px 'Be Vietnam Pro',sans-serif;text-align:left;padding:9px 10px;white-space:nowrap}
td{padding:8px 10px;border-top:1px solid #f3e7cf;vertical-align:top}
tbody tr:nth-child(even) td{background:#fffcf6}
table.mini th,table.mini td{text-align:center;white-space:nowrap}
details{margin:8px 0 14px;border:1.5px solid var(--line);border-radius:14px;background:#fffdf8}
details summary{cursor:pointer;padding:10px 14px;font:800 16px 'Baloo 2',sans-serif;color:#7a3a0c;list-style:none}
details summary::-webkit-details-marker{display:none}
details summary::after{content:'▾';float:right;transition:.2s}
details[open] summary::after{transform:rotate(180deg)}
details .tw{margin:0 10px 12px}
.note{margin:10px 0 14px;padding:10px 14px;border-radius:14px;background:#effaf1;border:1.5px solid #bfe8c8;color:#245c33}
.promo{display:grid;grid-template-columns:1fr auto;gap:4px 14px;align-items:center;margin:14px 0;padding:14px 18px;border-radius:18px;background:linear-gradient(135deg,#fff3c4,#ffe0ea);border:2px solid var(--gold)}
.promo>div>b{font:800 20px 'Baloo 2',sans-serif;color:#7a3a0c;display:block}.promo span b{color:#7a3a0c}
.promo span{color:#6b3b12}
.promo em{font:800 24px 'Baloo 2',sans-serif;color:#b0690c;font-style:normal;white-space:nowrap}
.promo small{grid-column:1/-1;color:#8a5a2a}
.two{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.zones{display:grid;grid-template-columns:repeat(auto-fill,minmax(240px,1fr));gap:12px;margin-top:10px}
.zone{display:flex;flex-direction:column;border:1.5px solid var(--line);border-radius:16px;overflow:hidden;background:#fffdf8}
.zone img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.zone .zi{display:grid;place-items:center;aspect-ratio:16/9;font-size:40px;background:var(--soft)}
.zone div{padding:10px 12px}
.zone b{font:800 17px 'Baloo 2',sans-serif;color:#5a3a12}
.zone em{margin-left:8px;font-style:normal;font-size:12.5px;font-weight:700;color:#fff;background:var(--green);border-radius:999px;padding:1px 8px}
.zone p{margin:4px 0 0;font-size:14px;color:var(--ink2)}
.small{font-size:14px;color:var(--ink2)}
footer{max-width:1180px;margin:0 auto;padding:10px 16px 50px;text-align:center;color:var(--ink2)}
footer .links{display:flex;gap:10px;justify-content:center;flex-wrap:wrap;margin:10px 0}
.chips{display:none}
@media (max-width:900px){
  .hero{grid-template-columns:1fr;padding-top:22px}
  .hero .shots img:nth-child(n+3){display:none}
  .wrap{grid-template-columns:1fr;gap:12px}
  nav.toc{display:none}
  .chips{display:flex;gap:6px;overflow-x:auto;padding:8px 16px;position:sticky;top:61px;z-index:15;background:rgba(255,250,243,.95);border-bottom:1.5px solid var(--line);-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .chips a{flex:none;display:flex;align-items:center;gap:6px;padding:5px 11px 5px 6px;border-radius:999px;background:#fff;border:1.5px solid var(--line);text-decoration:none;color:var(--ink);font-size:13.5px;font-weight:700;white-space:nowrap}
  .chips img{width:22px;height:22px;object-fit:contain}
  section{padding:18px 16px;border-radius:18px}
  .two{grid-template-columns:1fr;gap:4px}
  .top b{font-size:17px}
  .top .btn.ghost{display:none}
  html{scroll-padding-top:120px}
}
@media (max-width:420px){.top .logo{height:32px}.btn{padding:8px 12px;font-size:14px}.promo{grid-template-columns:1fr}}

article h2{display:block;margin:20px 0 8px;font:800 19px/1.25 'Baloo 2',sans-serif;color:#5a3a12}
/* trang chủ đề (14/10: cẩm nang tách thành từng trang) */
.crumb{font-size:.9em;color:var(--ink2);margin:0 0 10px}.crumb a{color:var(--ink2)}
article h1{font-family:"Baloo 2",sans-serif;font-size:2em;margin:0 0 6px;display:flex;align-items:center;gap:10px}article h1 img{width:44px;height:44px}
.meta{color:var(--ink2);font-size:.9em;margin:0 0 18px}
.pn{display:flex;justify-content:space-between;gap:12px;margin:26px 0 0;flex-wrap:wrap}.pn a{flex:1;min-width:200px;background:var(--card);border:1px solid var(--line);border-radius:14px;padding:12px 14px;text-decoration:none;color:var(--ink)}.pn a small{display:block;color:var(--ink2);font-size:.8em}.pn a.next{text-align:right}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(250px,1fr));gap:14px;margin:12px 0 0}
.card{display:block;background:var(--card);border:1px solid var(--line);border-radius:16px;padding:16px;text-decoration:none;color:var(--ink);box-shadow:0 1px 0 var(--line)}.card:hover{border-color:var(--gold2)}
.card img{width:40px;height:40px;display:block;margin-bottom:8px}.card b{display:block;font-family:"Baloo 2",sans-serif;font-size:1.1em;margin-bottom:4px}.card span{color:var(--ink2);font-size:.92em;line-height:1.45}