:root{--tc-max:1440px;--tc-blue:#0b78e6;--tc-blue-dark:#083f84;--tc-green:#178a4c;--tc-text:#18344f}
*{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:90px}
body{margin:0;padding:0;background:#fff;font-family:"Segoe UI",Tahoma,"Noto Sans Thai",Arial,sans-serif;color:var(--tc-text);overflow-x:hidden}
img{display:block;max-width:100%}
a,button{font:inherit}
main{margin:0;padding:0;min-height:1px}
.visible-site-header{position:sticky;top:0;z-index:1000;padding:7px 16px;background:rgba(255,255,255,.95);backdrop-filter:blur(14px);border-bottom:1px solid rgba(20,108,183,.10);box-shadow:0 6px 22px rgba(7,54,99,.06)}
.visible-header-inner{max-width:var(--tc-max);min-height:64px;margin:0 auto;padding:0 2px;display:flex;align-items:center;gap:18px}
.visible-brand{flex:0 0 270px;width:270px;min-width:0;height:54px;display:flex;align-items:center;gap:9px;text-decoration:none;overflow:hidden;color:#1262bf}
.visible-brand-mark{width:50px;height:50px;object-fit:contain;flex:0 0 50px}
.visible-brand-text{display:block;line-height:1}.visible-brand-text strong{display:block;font-size:27px;font-weight:900;letter-spacing:-1.2px;color:#1262bf}.visible-brand-text strong span{color:#188746}.visible-brand-text small{display:block;margin-top:4px;font-size:8px;font-weight:900;letter-spacing:1.6px;color:#446477;white-space:nowrap}
.system-footer{padding:26px 18px 30px;background:linear-gradient(135deg,#062a5c,#084b93);color:#fff}.system-footer-inner{max-width:var(--tc-max);margin:auto;display:flex;justify-content:space-between;align-items:center;gap:24px}.system-footer-brand strong{display:block;font-size:22px;letter-spacing:.04em}.system-footer-brand span{display:block;font-size:12px;opacity:.84;margin-top:4px}.system-footer-contact{display:flex;gap:10px;align-items:center;flex-wrap:wrap;justify-content:flex-end}.system-footer-contact a{color:#fff;text-decoration:none;font-size:13px;padding:9px 12px;border:1px solid rgba(255,255,255,.3);border-radius:999px;background:rgba(255,255,255,.06)}.system-footer-contact a:hover{background:rgba(255,255,255,.13)}
@media(max-width:1180px){.visible-header-inner{gap:12px}.visible-brand{flex-basis:250px;width:250px}}
@media(max-width:1060px){.visible-site-header{padding:7px 12px}.visible-header-inner{min-height:58px}.visible-brand{flex-basis:250px;width:250px;height:50px}.visible-brand-mark{width:44px;height:44px;flex-basis:44px}.visible-brand-text strong{font-size:24px}.system-footer-inner{flex-direction:column;align-items:center;text-align:center}.system-footer-contact{justify-content:center}}
@media(max-width:560px){.visible-site-header{padding-inline:8px}.visible-header-inner{min-height:54px}.visible-brand{flex-basis:230px;width:230px}.visible-brand-mark{width:40px;height:40px;flex-basis:40px}.visible-brand-text strong{font-size:21px}.visible-brand-text small{font-size:7px;letter-spacing:1.15px}}