:root{--primary:#0b6b4f;--on-primary:#fff;--accent:#f5b301;--on-accent:#111827;--header-bg:#0b6b4f;--on-header:#fff;--footer-bg:#0a2e24;--on-footer:#fff;--bg:#f3f6f4;--radius:14px;--font:'Sarabun',system-ui,sans-serif;
--fg:#1f2937;--muted:#5f6b76;--line:#dfe6e2;--card:#fff;--soft:#eaf0ed}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-padding-top:76px}
body{margin:0;font-family:var(--font);font-size:17px;line-height:1.7;color:var(--fg);background:var(--bg)}
a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}
img{max-width:100%;height:auto}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--accent);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.skip{position:absolute;left:-999px}.skip:focus{left:8px;top:8px;background:#fff;padding:6px 10px;z-index:99}
.icon-btn{background:none;border:0;color:inherit;font:inherit;font-size:1.2rem;cursor:pointer;padding:8px;line-height:1;border-radius:8px}

/* ---------- หัวเว็บ ---------- */
.site-header{background:var(--header-bg);color:var(--on-header);position:sticky;top:0;z-index:30;box-shadow:0 2px 8px rgba(0,0,0,.15)}
.bar{display:flex;align-items:center;gap:10px;min-height:60px}
.brand{display:flex;align-items:center;color:inherit;font-weight:700;margin-right:auto}.brand:hover{text-decoration:none}
.brand img{height:40px;width:auto;display:block}.brand-name{font-size:1.25rem}
.burger,.burger::before,.burger::after{display:block;width:22px;height:2px;background:currentColor;border-radius:2px;position:relative}
.burger::before,.burger::after{content:"";position:absolute;left:0}.burger::before{top:-7px}.burger::after{top:7px}
.nav-desktop{display:none}
.bar-right{display:flex;align-items:center;gap:10px}
.search-top{display:none}
.search input{padding:7px 14px;border:1px solid var(--line);border-radius:999px;background:#fff;color:var(--fg);font:inherit;font-size:.95rem;width:100%}
.search.big{display:flex;gap:8px;margin:12px 0 22px}.search.big input{flex:1;border-radius:10px;padding:10px 14px}
.search.big button{padding:10px 20px;border:0;border-radius:10px;background:var(--primary);color:var(--on-primary);font:inherit;cursor:pointer}
.btn-cta{display:inline-block;background:var(--accent);color:var(--on-accent);font-weight:700;padding:7px 18px;border-radius:999px;white-space:nowrap;max-width:44vw;overflow:hidden;text-overflow:ellipsis;vertical-align:middle}
.btn-cta:hover{text-decoration:none;filter:brightness(1.05)}.btn-cta.block{display:block;text-align:center;margin-top:16px}
.btn-ghost{display:inline-block;padding:7px 18px;border-radius:999px;border:1px solid var(--primary)}

/* ลิ้นชักเมนู */
.drawer{position:fixed;top:0;left:0;bottom:0;width:min(310px,86vw);background:#fff;z-index:50;transform:translateX(-102%);visibility:hidden;transition:transform .22s ease,visibility 0s linear .22s;padding:16px;overflow:auto;box-shadow:4px 0 24px rgba(0,0,0,.25)}
.drawer.open{transform:none;visibility:visible;transition-delay:0s}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;color:var(--primary)}
.drawer-head .brand-name{font-weight:700;font-size:1.15rem}
.drawer .search{margin-bottom:10px}
.drawer-link{display:block;padding:12px 8px;border-bottom:1px solid var(--line);color:var(--fg);font-weight:600}
.drawer-link[aria-current=page]{color:var(--primary)}
.drawer-overlay{position:fixed;inset:0;background:rgba(0,0,0,.5);z-index:40}.drawer-overlay[hidden]{display:none}
body.no-scroll{overflow:hidden}

/* ---------- เนื้อหาหลัก ---------- */
.main{padding-top:18px;padding-bottom:36px;min-height:60vh}
.with-side{display:grid;grid-template-columns:minmax(0,1fr);gap:24px}
.content{min-width:0}
.home-intro{text-align:center;margin:6px 0 14px}.home-intro h1{font-size:1.2rem;margin:0;line-height:1.4}.home-intro p{margin:2px 0 0;color:var(--muted);font-size:.95rem}

/* แบนเนอร์สไลด์ */
.banner{position:relative;border-radius:var(--radius);overflow:hidden;background:var(--soft)}
.banner-track{display:flex;overflow-x:auto;scroll-snap-type:x mandatory;scrollbar-width:none;scroll-behavior:smooth}
.banner-track::-webkit-scrollbar{display:none}
.slide{flex:0 0 100%;scroll-snap-align:start}
.slide a{display:block}
.slide img{width:100%;aspect-ratio:16/7;object-fit:cover;display:block}
.banner-btn{position:absolute;top:50%;transform:translateY(-50%);width:38px;height:38px;border-radius:50%;border:0;background:rgba(255,255,255,.85);color:#111;font-size:1.2rem;cursor:pointer;display:none;place-items:center}
.banner-btn.prev{left:10px}.banner-btn.next{right:10px}
.banner-dots{position:absolute;left:0;right:0;bottom:8px;display:flex;gap:7px;justify-content:center}
.banner-dots button{width:30px;height:12px;border:0;background:none;cursor:pointer;padding:0;position:relative}
.banner-dots button::after{content:"";position:absolute;left:0;right:0;top:3px;height:5px;border-radius:3px;background:rgba(255,255,255,.6)}
.banner-pause{position:absolute;right:8px;bottom:6px;width:30px;height:30px;border-radius:50%;border:0;background:rgba(255,255,255,.85);color:#111;font-size:.8rem;cursor:pointer}
.banner-dots button[aria-current=true]::after{background:var(--accent)}

/* ปุ่มลัดหมวดหมู่ */
.chips{display:flex;gap:8px;overflow-x:auto;padding:4px 2px 10px;margin:0 -2px;scrollbar-width:thin}
.chip{flex:none;padding:6px 16px;background:#fff;border:1px solid var(--line);border-radius:999px;color:var(--fg);font-weight:600;font-size:.95rem}
.chip:hover{background:var(--primary);color:var(--on-primary);border-color:var(--primary);text-decoration:none}

/* หัวข้อส่วน */
.sec{margin:26px 0}
.sec-head{display:flex;align-items:baseline;gap:10px;margin-bottom:12px;flex-wrap:wrap}
.sec-title{margin:0;font-size:1.35rem;color:var(--primary);line-height:1.35}
.sec-sub{color:var(--muted);font-size:.9rem}.sec-more{margin-left:auto;font-size:.92rem;font-weight:600}
.promo{margin:18px 0}.promo img{width:100%;border-radius:var(--radius);display:block}
.empty{color:var(--muted);text-align:center;padding:30px 0}
.page-head{margin-bottom:16px}.page-head h1{margin:.1em 0;font-size:1.7rem;line-height:1.35}.lead{color:var(--muted);margin:.2em 0}

/* การ์ดบทความ */
.grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}
.card{background:var(--card);border-radius:var(--radius);overflow:hidden;display:flex;flex-direction:column;box-shadow:0 1px 3px rgba(0,0,0,.08);transition:transform .15s,box-shadow .15s}
.card:hover{transform:translateY(-3px);box-shadow:0 8px 20px rgba(0,0,0,.12)}
.thumb{display:block;background:var(--soft)}.thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;display:block}
.thumb.ph{aspect-ratio:16/9;display:grid;place-items:center;background:linear-gradient(135deg,var(--primary),var(--accent));color:#fff;font-size:2.6rem;font-weight:700}
.card-body{padding:10px 12px 12px;display:flex;flex-direction:column;gap:3px;flex:1}
.card-title{font-size:1rem;line-height:1.4;margin:2px 0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-title a{color:var(--fg)}.card-title a:hover{color:var(--primary);text-decoration:none}
.card-ex{color:var(--muted);font-size:.88rem;line-height:1.5;margin:0;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{margin-top:auto;padding-top:4px;color:var(--muted);font-size:.8rem;display:flex;gap:10px;justify-content:space-between}
.tag{display:inline-block;font-size:.78rem;background:var(--soft);color:var(--primary);padding:1px 10px;border-radius:999px;align-self:flex-start;font-weight:600}
.tag:hover{background:var(--primary);color:var(--on-primary);text-decoration:none}

/* บทความเดี่ยว */
.crumbs{font-size:.88rem;color:var(--muted);margin-bottom:10px}
.single{background:var(--card);border-radius:var(--radius);padding:18px;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.single h1{font-size:1.65rem;line-height:1.35;margin:.1em 0 .3em}
.meta{color:var(--muted);font-size:.9rem;margin:0}.featured{border-radius:var(--radius);margin:14px 0;width:100%;aspect-ratio:1200/630;object-fit:cover}
.prose{font-size:1.04rem;overflow-wrap:anywhere}.prose h2{margin-top:1.8em;color:var(--primary)}.prose h3{margin-top:1.5em}
.prose img{border-radius:10px}
.prose a{text-decoration:underline;text-underline-offset:2px}
.prose blockquote{margin:1em 0;padding:4px 18px;border-left:4px solid var(--accent);background:var(--soft);border-radius:0 8px 8px 0}
.prose table{border-collapse:collapse;display:block;overflow:auto;max-width:100%}.prose td,.prose th{border:1px solid var(--line);padding:6px 10px}
.prose pre{background:var(--soft);padding:12px;overflow:auto;border-radius:8px}
.prose .ql-align-center{text-align:center}.prose .ql-align-right{text-align:right}.prose .ql-align-justify{text-align:justify}
.home-content{background:var(--card);border-radius:var(--radius);padding:18px}
.post-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;padding-top:14px;border-top:1px solid var(--line)}
.pager{display:flex;gap:8px;justify-content:center;flex-wrap:wrap;margin:28px 0}
.pager a,.pager .cur{padding:4px 14px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--fg)}.pager .cur{background:var(--primary);color:var(--on-primary);border-color:var(--primary)}
.notfound{text-align:center;padding:60px 0}.notfound h1{font-size:4rem;margin:0;color:var(--primary)}

/* ไซด์บาร์ */
.widget{background:var(--card);border-radius:var(--radius);padding:14px 16px;margin-bottom:16px;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.widget img{max-width:100%;border-radius:10px;display:block}
.widget .search.big{margin:0}
.widget-title{font-size:1.05rem;margin:0 0 10px;padding-bottom:8px;border-bottom:3px solid var(--accent);color:var(--primary)}
.mini-list,.link-list{list-style:none;margin:0;padding:0}
.mini-list li{display:flex;gap:10px;align-items:flex-start;padding:8px 0;border-bottom:1px solid var(--line);font-size:.95rem;line-height:1.45}.mini-list li:last-child{border:0}
.mini-thumb img{width:56px;height:56px;object-fit:cover;border-radius:8px}
.mini-list a{color:var(--fg)}.mini-list a:hover{color:var(--primary)}
.link-list li{display:flex;justify-content:space-between;gap:8px;padding:7px 0;border-bottom:1px solid var(--line)}.link-list li:last-child{border:0}
.link-list a{color:var(--fg)}.count{color:var(--muted);font-size:.85rem}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}

/* ท้ายเว็บ */
.site-footer{background:var(--footer-bg);color:var(--on-footer);padding:28px 0 18px;font-size:.95rem}
.site-footer a{color:inherit;opacity:.85}
.foot-grid{display:grid;grid-template-columns:1fr;gap:20px}
.foot-brand{font-size:1.2rem;font-weight:700;margin:0 0 6px}.foot-about{margin:0;opacity:.85}
.foot-title{font-weight:700;margin:0 0 6px}.foot-link{display:block;padding:2px 0}
.foot-copy{margin-top:20px;padding-top:14px;border-top:1px solid rgba(255,255,255,.18);opacity:.8;font-size:.85rem;text-align:center}

/* แถบเมนูล่าง (มือถือ) */
.bottom-nav{position:fixed;left:0;right:0;bottom:0;z-index:35;display:flex;background:var(--header-bg);color:var(--on-header);padding-bottom:env(safe-area-inset-bottom);box-shadow:0 -2px 10px rgba(0,0,0,.2)}
.bn-item{flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:1px;padding:7px 2px 6px;color:inherit;font-size:.72rem;min-height:58px;text-align:center}
.bn-item:hover{text-decoration:none}.bn-item[aria-current=page] .bn-label{font-weight:700;color:var(--accent)}
.bn-icon{font-size:1.35rem;line-height:1}
.bn-hi .bn-icon{background:var(--accent);color:var(--on-accent);width:54px;height:54px;border-radius:50%;display:grid;place-items:center;margin-top:-24px;border:4px solid var(--bg);box-shadow:0 3px 8px rgba(0,0,0,.25)}
body.has-bottom-nav{padding-bottom:64px}

@media (min-width:720px){
  .grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}
  .slide img{aspect-ratio:3/1}
  .banner-btn{display:grid}
  .home-intro h1{font-size:1.5rem}
  .foot-grid{grid-template-columns:2fr 1fr 1fr}
  .card-title{font-size:1.05rem}
  .single{padding:28px}.single h1{font-size:2rem}
}
@media (min-width:900px){
  .menu-btn{display:none}
  .brand{margin-right:12px}
  .nav-desktop{display:flex;gap:4px;flex:1;flex-wrap:wrap}
  .nav-link{color:inherit;padding:6px 12px;border-radius:999px;font-weight:600}
  .nav-link:hover{background:rgba(255,255,255,.14);text-decoration:none}
  .nav-link[aria-current=page]{background:var(--accent);color:var(--on-accent)}
  .search-top{display:block}.search-top input{width:190px}
  .bottom-nav{display:none}body.has-bottom-nav{padding-bottom:0}
}
@media (min-width:960px){
  .with-side{grid-template-columns:minmax(0,1fr) 320px;gap:28px}
  .main:not(.with-side) .grid{grid-template-columns:repeat(4,minmax(0,1fr))}
  .sidebar{position:sticky;top:76px;align-self:start;max-height:calc(100vh - 92px);overflow-y:auto}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}