:root{
  --navy:#12314f; --teal:#0e7d8a; --teal-d:#0a5f6a; --bg:#f6f8fa;
  --ink:#1c2733; --mut:#5c6b7a; --line:#e2e8ee;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Sarabun','Leelawadee UI',Tahoma,system-ui,sans-serif;color:var(--ink);background:var(--bg);line-height:1.65}
a{color:var(--teal);text-decoration:none}
img{max-width:100%;height:auto}
.wrap{max-width:1100px;margin:0 auto;padding:0 20px}

/* header */
.site-header{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:50}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:64px;flex-wrap:wrap}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);padding:8px 0}
.brand img{height:44px;width:auto}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text small{color:var(--mut);font-size:.72rem}
.nav-btn{display:none;font-size:1.5rem;cursor:pointer;padding:6px 10px}
.main-nav ul{list-style:none;display:flex;gap:2px}
.main-nav > ul > li > a{display:block;padding:20px 12px;color:var(--ink);font-weight:600;font-size:.92rem}
.main-nav > ul > li > a:hover{color:var(--teal)}
.main-nav li{position:relative}
.main-nav .sub{display:none;position:absolute;top:100%;left:0;background:#fff;border:1px solid var(--line);border-radius:0 0 10px 10px;min-width:280px;box-shadow:0 8px 20px rgba(0,0,0,.08);flex-direction:column}
.main-nav li:hover .sub{display:flex}
.main-nav .sub a{display:block;padding:10px 14px;color:var(--ink);font-size:.88rem;border-bottom:1px solid var(--line)}
.main-nav .sub a:hover{background:var(--bg);color:var(--teal)}
/* mega menu */
.main-nav .mega-panel{display:none;position:absolute;top:100%;left:50%;transform:translateX(-50%);
  background:#fff;border:1px solid var(--line);border-radius:0 0 14px 14px;
  box-shadow:0 14px 34px rgba(0,0,0,.12);padding:18px;width:680px;max-width:92vw;
  grid-template-columns:repeat(3,1fr);gap:10px;z-index:60}
.main-nav li:hover .mega-panel{display:grid}
/* เมนูท้ายแถบ (เกี่ยวกับเรา) ชิดขวา กันแผงล้นขอบจอ */
.main-nav > ul > li:last-child .mega-panel{left:auto;right:0;transform:none}
.mega-item{display:flex;gap:10px;align-items:flex-start;padding:14px;border-radius:10px;color:var(--ink)}
.mega-item:hover{background:var(--bg)}
.mega-icon{color:var(--teal);flex:0 0 auto;margin-top:1px}
.mega-icon svg{width:22px;height:22px;display:block}
.mega-body{display:flex;flex-direction:column;gap:3px}
.mega-body strong{color:var(--navy);font-size:.95rem}
.mega-item:hover .mega-body strong{color:var(--teal)}
.mega-body small{color:var(--mut);font-size:.78rem;line-height:1.45;font-weight:400}

@media(max-width:900px){
  .nav-btn{display:block}
  .main-nav{display:none;width:100%}
  #nav-toggle:checked ~ .main-nav{display:block}
  .main-nav ul{flex-direction:column}
  .main-nav > ul > li > a{padding:12px}
  .main-nav .sub{display:flex;position:static;box-shadow:none;border:none;padding-left:16px}
  .main-nav .mega-panel{display:grid;position:static;transform:none;width:100%;
    grid-template-columns:1fr;box-shadow:none;border:none;padding:0 0 6px 16px;gap:2px}
  .mega-item{padding:8px 10px}
}

/* hero */
.hero{background:linear-gradient(120deg,var(--navy),var(--teal-d));color:#fff;padding:70px 0;text-align:center}
.hero h1{font-size:2rem;margin-bottom:12px}
.hero p{opacity:.92;margin-bottom:24px}
.btn{display:inline-block;background:var(--teal);color:#fff;padding:10px 22px;border-radius:8px;border:none;font-weight:600;cursor:pointer;font-size:.95rem;margin:2px}
.btn:hover{background:var(--teal-d)}
.btn.ghost{background:transparent;border:1.5px solid var(--teal);color:var(--teal)}
.hero .btn.ghost{border-color:#fff;color:#fff}
.btn.sm{padding:4px 12px;font-size:.82rem}
.btn.danger{background:#b3372f}

/* cards */
.cards-3{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:18px;padding:36px 20px}
.svc{background:#fff;border:1px solid var(--line);border-radius:12px;padding:22px;color:var(--ink);transition:.15s}
.svc:hover{border-color:var(--teal);transform:translateY(-2px)}
.svc h3{color:var(--teal);margin-bottom:6px}
.sec-title{margin:26px 0 18px;color:var(--navy)}
.news-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
@media(max-width:1000px){.news-grid{grid-template-columns:repeat(3,1fr)}}
@media(max-width:760px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(max-width:480px){.news-grid{grid-template-columns:1fr}}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;overflow:hidden;color:var(--ink);transition:.15s}
.card:hover{transform:translateY(-2px);box-shadow:0 8px 22px rgba(0,0,0,.07)}
.thumb{height:135px;background-size:cover;background-position:center}
.thumb.noimg{background:linear-gradient(120deg,var(--navy),var(--teal));opacity:.25}
.card-body{padding:14px}
.card-body time{color:var(--mut);font-size:.8rem}
.card-body h3{font-size:.98rem;margin:4px 0;line-height:1.4}
.card-body p{color:var(--mut);font-size:.85rem}

/* article */
.article{background:#fff;border:1px solid var(--line);border-radius:12px;padding:32px;margin:30px auto;max-width:860px}
.article h1{color:var(--navy);margin-bottom:8px;line-height:1.4}
.article .meta{color:var(--mut);margin-bottom:18px}
.tag{background:var(--bg);border:1px solid var(--line);border-radius:20px;padding:1px 10px;font-size:.78rem;margin-right:4px}
.article .cover{border-radius:10px;margin-bottom:18px}
.entry p{margin:0 0 1em}
.entry h2,.entry h3{color:var(--navy);margin:1.2em 0 .5em}
.entry img{border-radius:8px;margin:8px 0}
.entry ul,.entry ol{margin:0 0 1em 1.4em}
.entry table{border-collapse:collapse;width:100%;margin:1em 0}
.entry td,.entry th{border:1px solid var(--line);padding:6px 10px}
.entry iframe{max-width:100%}

/* term tabs (หน้ากรรมการ เรียงตามสมัย) */
.term-tabs{display:flex;gap:8px;flex-wrap:wrap;margin:4px 0 22px;border-bottom:2px solid var(--line);padding-bottom:12px}
.term-tabs a{display:inline-block;padding:8px 18px;border:1px solid var(--line);border-radius:24px;color:var(--ink);font-size:.9rem;font-weight:600;background:#fff}
.term-tabs a:hover{border-color:var(--teal);color:var(--teal)}
.term-tabs a.active{background:var(--teal);border-color:var(--teal);color:#fff}

/* search & pager */
.search{display:flex;gap:8px;margin-bottom:18px}
.search input{flex:1;padding:10px 14px;border:1px solid var(--line);border-radius:8px;font-size:1rem}
.pager{display:flex;gap:6px;justify-content:center;margin:26px 0}
.pager a,.pager .cur{padding:6px 12px;border-radius:6px;border:1px solid var(--line);background:#fff}
.pager .cur{background:var(--teal);color:#fff;border-color:var(--teal)}

/* footer */
.site-footer{background:var(--navy);color:#cfd9e2;margin-top:50px;padding:36px 0 18px}
.site-footer a{color:#9fd4dc}
.foot-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(220px,1fr));gap:22px;padding-bottom:20px}
.site-footer h4{color:#fff;margin-bottom:8px}
.copy{border-top:1px solid rgba(255,255,255,.15);padding-top:14px;font-size:.82rem;text-align:center}

/* consent banner */
.consent-bar{position:fixed;left:0;right:0;bottom:0;z-index:100;background:#fff;
  border-top:1px solid var(--line);box-shadow:0 -8px 30px rgba(0,0,0,.12);
  transform:translateY(105%);transition:transform .35s ease}
.consent-bar.show{transform:translateY(0)}
.consent-inner{max-width:1100px;margin:0 auto;padding:16px 20px;display:flex;
  align-items:center;gap:18px;flex-wrap:wrap}
.consent-text{flex:1;min-width:260px}
.consent-text strong{color:var(--navy)}
.consent-text p{margin:4px 0 0;font-size:.88rem;color:var(--mut);line-height:1.55}
.consent-actions{display:flex;gap:8px;flex-wrap:wrap}
@media(max-width:640px){.consent-actions{width:100%}.consent-actions .btn{flex:1;text-align:center}}

/* admin */
.admin-bar{display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:10px;margin-bottom:18px}
.admin-form{display:flex;flex-direction:column;gap:14px;background:#fff;border:1px solid var(--line);border-radius:12px;padding:24px}
.admin-form label{display:flex;flex-direction:column;gap:5px;font-weight:600;font-size:.9rem}
.admin-form input,.admin-form textarea,.admin-form select{padding:9px 12px;border:1px solid var(--line);border-radius:8px;font-size:.95rem;font-family:inherit}
.admin-form textarea{resize:vertical}
.row2{display:grid;grid-template-columns:1fr 1fr;gap:14px}
@media(max-width:640px){.row2{grid-template-columns:1fr}}
.toolbar{display:flex;gap:6px;margin-bottom:6px;flex-wrap:wrap}
.toolbar button{padding:5px 10px;border:1px solid var(--line);background:var(--bg);border-radius:6px;cursor:pointer;font-size:.82rem}
.admin-table{width:100%;border-collapse:collapse;background:#fff;border:1px solid var(--line);border-radius:12px}
.admin-table th,.admin-table td{border-bottom:1px solid var(--line);padding:9px 12px;text-align:left;font-size:.9rem}
.admin-table th{background:var(--bg)}
.err{color:#b3372f;margin-bottom:10px}
.notice{background:#e8f6ee;border:1px solid #bfe3cd;color:#1e6b3a;border-radius:8px;padding:8px 14px;margin-bottom:14px}
.who{color:var(--mut);font-size:.88rem;margin-right:8px}