:root{--teal:#00838f;--teal-dark:#005662;--teal-light:#e0f7fa;--blue:#1565c0;--blue-med:#1976d2;--blue-light:#e3f2fd;--blue-bg:#1a4a7a;--green:#2e7d32;--green-light:#4caf50;--green-footer:#1b5e20;--light-bg:#eef6f8;--text-dark:#1a1a2e;--text-mid:#37465b;--text-light:#6b7a8d;--white:#fff;--shadow:0 4px 20px rgba(0,0,0,.1);--shadow-hover:0 8px 32px rgba(0,0,0,.18);--radius:12px;--radius-lg:20px}*,:after,:before{box-sizing:border-box;margin:0;padding:0}html{scroll-behavior:smooth}body{background:#fff;color:var(--text-dark);font-family:Noto Sans Lao,Inter,Noto Sans,sans-serif;font-size:15px;line-height:1.7}img{display:block;height:auto;max-width:100%}a{color:inherit;text-decoration:none}.container{margin:0 auto;max-width:1140px;padding:0 24px}.btn{border:none;border-radius:50px;cursor:pointer;display:inline-block;font-family:inherit;font-size:14px;font-weight:600;letter-spacing:.5px;padding:12px 30px;transition:all .3s ease}.btn-white{background:var(--white);color:var(--teal-dark)}.btn-white:hover{background:var(--teal-light);transform:translateY(-2px)}.btn-teal{background:var(--teal);color:#fff}.btn-teal:hover{background:var(--teal-dark);transform:translateY(-2px)}.btn-outline-white{background:transparent;border:2px solid hsla(0,0%,100%,.7);color:#fff}.btn-outline-white:hover{background:#ffffff26;border-color:#fff}.section-title{color:var(--blue);font-size:clamp(1.6rem,3vw,2.2rem);font-weight:800;line-height:1.3;margin-bottom:12px}.section-title:after{background:var(--teal);border-radius:2px;content:"";display:block;height:4px;margin-top:10px;width:48px}.section-title.center:after{margin:10px auto 0}.section-title.white{color:#fff}.section-title.white:after{background:#ffffff80}.section-subtitle{color:var(--text-light);font-size:15px;margin:0 auto;max-width:560px}.text-center{text-align:center}.text-white{color:#fff}.mt-4{margin-top:1rem}.mt-8{margin-top:2rem}.mb-2{margin-bottom:.5rem}.mb-4{margin-bottom:1rem}.mb-8{margin-bottom:2rem}@keyframes fadeInUp{0%{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}