:root{--primary:#ff324d;--primary-dark:#cc2038;--secondary:#2e86c1;--text:#2c3e50;--text-light:#5f7d95;--text-lighter:#95a5a6;--bg:#f8fbff;--white:#fff;--glass:rgba(255,255,255,.85);--border:#eef2f7;--radius-sm:8px;--radius:16px;--radius-lg:24px;--shadow-sm:0 4px 6px -1px rgba(0,0,0,.05);--shadow:0 10px 15px -3px rgba(0,0,0,.05),0 4px 6px -2px rgba(0,0,0,.025);--shadow-lg:0 20px 25px -5px rgba(0,0,0,.08),0 10px 10px -5px rgba(0,0,0,.03);--transition:all .3s cubic-bezier(.4,0,.2,1)}*{box-sizing:border-box}body{font-family:'Noto Sans Thai',-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;line-height:1.7;color:var(--text);background:var(--bg);margin:0;padding:0;-webkit-font-smoothing:antialiased}img{max-width:100%;height:auto;display:block}a{text-decoration:none;color:inherit;transition:var(--transition)}h1,h2,h3,h4,h5,h6{font-family:'Noto Sans Thai',sans-serif;font-weight:600;line-height:1.25;color:var(--text);margin:0 0 1rem;letter-spacing:.01em}.container{max-width:1240px;margin:0 auto;padding:0 1.5rem;width:100%}.btn-primary-gradient{background:linear-gradient(135deg,var(--primary) 0%,#ff6b6b 100%);border:none;color:#fff;padding:.75rem 1.5rem;border-radius:var(--radius-sm);font-weight:600;box-shadow:0 4px 12px rgba(255,50,77,.3)}.btn-primary-gradient:hover{transform:translateY(-2px);box-shadow:0 8px 16px rgba(255,50,77,.4);color:#fff}.site-header{background:rgba(255,255,255,.95);backdrop-filter:blur(10px);box-shadow:var(--shadow-sm);position:sticky;top:0;z-index:1000;border-bottom:1px solid var(--border);transition:var(--transition)}.navbar-brand{font-size:1.5rem;font-weight:800;background:linear-gradient(to right,var(--primary),var(--secondary));-webkit-background-clip:text;-webkit-text-fill-color:transparent}.nav-link{color:var(--text);font-weight:400;border-radius:var(--radius-sm)}.nav-link:hover,.nav-link.active{color:var(--primary);background:rgba(255,50,77,.05)}.nav-link.active{font-weight:700;background:rgba(255,50,77,.1)}.lang-dropdown{min-width:120px;border:1px solid var(--border);border-radius:var(--radius-sm);padding:.35rem .75rem;font-size:.875rem;cursor:pointer;background:var(--white);color:var(--text);font-family:inherit}.lang-dropdown:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px rgba(255,50,77,.1)}.site-footer{background:#1e293b;color:#94a3b8;padding:4rem 0 2rem;margin-top:6rem}.site-footer h4{color:var(--white);margin-bottom:1.5rem}.site-footer a{color:#cad5e1;display:block;margin-bottom:.75rem}.site-footer a:hover{color:var(--primary);transform:translateX(5px)}.footer-copyright{text-align:center;padding-top:3rem;margin-top:3rem;border-top:1px solid rgba(255,255,255,.05);font-size:.875rem}@media (max-width:768px){.site-footer{padding:3rem 0}h1{font-size:2rem}}