:root{--bg:#f4f6f7;--surface:#fff;--text:#111417;--muted:#65707a;--line:#dfe4e8;--dark:#15191d;--soft:#eef1f3;--radius:18px;--max:1240px}*{box-sizing:border-box}html{scroll-behavior:smooth}body{margin:0;font-family:Inter,Arial,"Noto Sans Thai","Noto Sans SC",sans-serif;background:var(--bg);color:var(--text);line-height:1.6}.container{width:min(var(--max),calc(100% - 32px));margin:auto}a{color:inherit;text-decoration:none}.site-header{position:sticky;top:0;z-index:20;background:rgba(255,255,255,.95);backdrop-filter:blur(12px);border-bottom:1px solid var(--line)}.nav-wrap{min-height:72px;display:flex;align-items:center;gap:22px}.brand{font-weight:900;font-size:22px;letter-spacing:.08em}.brand img{height:36px;max-width:180px;object-fit:contain}.main-nav{display:flex;gap:18px;align-items:center;margin-left:auto;font-size:14px;font-weight:650}.main-nav a:hover{opacity:.6}.nav-actions{display:flex;align-items:center;gap:12px}.request-btn{background:var(--dark);color:#fff;padding:10px 14px;border-radius:999px;font-size:13px;font-weight:750}.lang-switch{display:flex;gap:4px;background:var(--soft);padding:4px;border-radius:999px}.lang-switch a{padding:6px 9px;border-radius:999px;font-size:12px}.lang-switch a.active{background:#fff;box-shadow:0 1px 3px rgba(0,0,0,.08)}.menu-toggle{display:none;border:0;background:transparent;font-size:24px}.hero{padding:84px 0 58px;background:linear-gradient(135deg,#f8fafb 0%,#e9eef2 100%)}.hero-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:end}.eyebrow{text-transform:uppercase;letter-spacing:.14em;font-size:12px;font-weight:800;color:var(--muted)}h1{font-size:clamp(42px,7vw,86px);line-height:.98;letter-spacing:-.05em;margin:14px 0 22px}h2{font-size:clamp(28px,4vw,46px);line-height:1.08;letter-spacing:-.035em;margin:0}.hero 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p{margin:0;color:#53606a}.card .more{display:inline-block;margin-top:16px;font-weight:750;font-size:14px}.page-hero{padding:56px 0 34px}.page-hero h1{font-size:clamp(40px,6vw,68px);margin:8px 0 10px}.filters{display:flex;gap:10px;flex-wrap:wrap;margin:20px 0}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:8px 12px;font-size:13px}.chip.active{background:var(--dark);color:#fff;border-color:var(--dark)}.content-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:44px}.article{background:#fff;border:1px solid var(--line);border-radius:22px;padding:clamp(22px,4vw,48px)}.article h1{font-size:clamp(36px,5vw,62px)}.article .lead{font-size:20px;color:#4d5963}.article-body{font-size:17px}.article-body img{max-width:100%;height:auto}.article-cover{width:100%;aspect-ratio:16/8;border-radius:18px;object-fit:cover;margin:22px 0}.sidebox{background:#fff;border:1px solid var(--line);border-radius:18px;padding:20px;height:max-content}.form-card{max-width:820px;background:#fff;border:1px solid var(--line);border-radius:24px;padding:28px}.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}.field label{display:block;font-weight:700;margin-bottom:6px}.field input,.field select,.field textarea{width:100%;padding:12px 13px;border:1px solid #cfd6dc;border-radius:10px;font:inherit;background:#fff}.field textarea{min-height:160px;resize:vertical}.full{grid-column:1/-1}.btn{display:inline-flex;align-items:center;justify-content:center;border:0;border-radius:10px;background:var(--dark);color:#fff;padding:12px 18px;font-weight:800;cursor:pointer}.notice{padding:14px 16px;border-radius:12px;background:#eef7f1;color:#245d38;margin-bottom:18px}.search-bar{display:flex;gap:8px}.search-bar input{flex:1;padding:12px;border:1px solid var(--line);border-radius:10px}.site-footer{background:#13171a;color:#eef2f4;margin-top:60px;padding:46px 0 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0}.nav-wrap{gap:10px}.lang-switch a{padding:6px 7px}.article{border-radius:16px}}

.tool-layout{display:grid;grid-template-columns:minmax(0,1.35fr) minmax(280px,.65fr);gap:24px;align-items:start}.tool-results{display:grid;gap:12px;position:sticky;top:96px}.result-card{background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;display:flex;flex-direction:column;gap:4px}.result-card small{color:var(--muted);font-weight:700}.result-card strong{font-size:28px;line-height:1.1}.result-card span{font-size:12px;color:var(--muted)}@media(max-width:820px){.tool-layout{grid-template-columns:1fr}.tool-results{position:static;grid-template-columns:1fr 1fr}}@media(max-width:520px){.tool-results{grid-template-columns:1fr}}
.community-shell{display:grid;grid-template-columns:210px minmax(0,1fr) 250px;gap:16px;align-items:start}.community-channels,.community-online,.community-chat{background:#fff;border:1px solid var(--line);border-radius:18px}.community-channels,.community-online{padding:16px}.community-channels{display:grid;gap:5px}.community-channels a{padding:8px 10px;border-radius:9px;font-size:14px}.community-channels a.active{background:var(--dark);color:#fff}.community-chat{overflow:hidden}.chat-head{padding:16px 18px;border-bottom:1px solid var(--line)}.chat-messages{height:520px;overflow:auto;padding:14px;display:flex;flex-direction:column;gap:12px}.chat-row{display:flex;gap:10px}.chat-avatar{width:38px;height:38px;border-radius:50%;background:#e6ebee;display:grid;place-items:center;font-weight:800;flex:0 0 auto}.chat-bubble{min-width:0;max-width:82%;background:#f5f7f8;border-radius:14px;padding:10px 12px}.chat-bubble small{color:var(--muted)}.chat-text{margin-top:5px;word-break:break-word}.chat-bubble img{max-width:320px;width:100%;border-radius:10px;margin-top:8px}.chat-meta{display:flex;gap:8px;align-items:center;margin-top:7px;font-size:11px;color:var(--muted)}.chat-meta button{border:0;background:transparent;color:inherit;cursor:pointer;padding:0}.chat-reply{border-left:3px solid #c5cdd2;padding:5px 8px;margin:6px 0;background:#fff;border-radius:6px;font-size:12px}.chat-form{border-top:1px solid var(--line);padding:12px}.chat-form textarea{width:100%;min-height:76px;border:1px solid #cfd6dc;border-radius:12px;padding:10px;font:inherit;resize:vertical}.chat-actions{display:flex;justify-content:space-between;gap:10px;margin-top:8px}.reply-bar{background:#f3f5f6;border-top:1px solid var(--line);padding:8px 14px;font-size:12px}.online-person{display:flex;gap:8px;padding:8px 0;border-bottom:1px solid #eef1f3}.online-person .dot{width:9px;height:9px;border-radius:50%;background:#2aa65a;margin-top:5px}.online-person small{display:block;color:var(--muted);font-size:11px}@media(max-width:980px){.community-shell{grid-template-columns:160px minmax(0,1fr)}.community-online{display:none}}@media(max-width:700px){.community-shell{grid-template-columns:1fr}.community-channels{display:flex;overflow:auto}.community-channels strong{display:none}.community-channels a{white-space:nowrap}.chat-messages{height:460px}.chat-bubble{max-width:90%}}