:root{--green:#34E834;--green-ink:#0d9a0d;--ink:#0F1720;--ink2:#5B6B7B;--line:#E3E9DF;--bg:#F7FAF5}*{margin:0;padding:0;box-sizing:border-box}body{font-family:'Noto Sans Thai',-apple-system,sans-serif;background:var(--bg);color:var(--ink)}nav{padding:14px 24px;display:flex;align-items:center;gap:10px;background:#fff;border-bottom:1px solid var(--line)}nav img{width:30px;height:30px}nav b{font-size:18px;letter-spacing:1px}nav b span{color:var(--green)}.nav-links{margin-left:auto;display:flex;align-items:center;gap:18px}.nav-links a{color:var(--ink);text-decoration:none;font-size:14px;font-weight:600}.nav-links .cta{background:var(--green);color:#06130a;padding:8px 16px;border-radius:10px;font-weight:700}.wrap{max-width:760px;margin:0 auto;padding:34px 16px 60px}.badge{display:inline-block;background:var(--green);color:#06130a;font-size:11px;font-weight:800;padding:2px 8px;border-radius:99px;margin-bottom:8px}h1{font-size:clamp(22px,4vw,30px);font-weight:800;line-height:1.35}.sub{color:var(--ink2);font-size:14px;margin-top:8px;line-height:1.7}.courses{display:grid;gap:12px;margin-top:24px}.course{display:flex;align-items:center;gap:16px;background:#fff;border:1.5px solid var(--line);border-radius:16px;padding:20px;text-decoration:none;color:inherit;transition:.15s}.course:hover{border-color:var(--green);transform:translateY(-2px)}.c-icon{width:52px;height:52px;border-radius:14px;background:#e9fbe9;display:flex;align-items:center;justify-content:center;flex-shrink:0;color:var(--green-ink)}.c-title{font-size:16px;font-weight:800;margin-bottom:3px}.c-sub{font-size:13px;color:var(--ink2);line-height:1.65}.c-free{margin-left:auto;flex-shrink:0;font-size:11px;font-weight:800;background:var(--green);color:#06130a;padding:3px 10px;border-radius:99px}footer{text-align:center;font-size:12px;color:var(--ink2);padding:20px;border-top:1px solid var(--line);margin-top:30px}footer a{color:var(--green-ink)}