@charset "utf-8";*{font-family:'Bai Jamjuree',sans-serif}.header-parallax{height:40vh;background-size:cover;background-position:center;background-attachment:fixed;display:flex;justify-content:center;align-items:center;text-align:center;position:relative;margin-bottom:40px}.header-parallax::before{content:'';position:absolute;top:0;left:0;width:100%;height:100%;background:rgba(0,0,0,.6)}.header-con{position:relative;z-index:1;color:#fff;padding:30px 50px;background:rgba(0,0,0,.5);backdrop-filter:blur(5px);border:1px solid rgba(255,215,0,.5);border-radius:10px}.header-con h1{font-size:1.8rem;font-weight:700;margin-bottom:10px;color:#ffd700}.header-con p{font-size:1.1rem;color:#ddd;margin:0}.oit-section{margin-bottom:40px}.oit-card{background:#fff;border-radius:15px;box-shadow:0 10px 30px rgba(0,0,0,.1);overflow:hidden;border:1px solid rgba(0,0,0,.05)}.card-header-badge{background:linear-gradient(135deg,#5a0000,#3a0000);padding:15px 30px;border-bottom:4px solid #ffd700}.card-header-badge h3{margin:0;color:#fff;font-size:1.3rem;font-weight:700}.card-header-badge i{margin-right:10px;color:#ffd700}.card-body-content{padding:40px}.content-box{padding:20px}.text-red{color:#8b0000;font-weight:bold;border-left:4px solid #ffd700;padding-left:10px}.desc-text{color:#555;line-height:1.8;font-size:1.05rem}.btn-group-vertical{display:flex;flex-direction:column;gap:12px}.btn-dl{display:flex;align-items:center;justify-content:center;padding:15px 20px;border-radius:8px;text-decoration:none;font-size:1rem;font-weight:600;transition:all .2s}.btn-dl i{margin-right:10px;font-size:1.2rem}.pdf{background:#ffebee;color:#c62828;border:1px solid #ffcdd2}.pdf:hover{background:#c62828;color:#fff;transform:translateY(-2px);box-shadow:0 5px 15px rgba(198,40,40,.2)}.excel{background:#e8f5e9;color:#2e7d32;border:1px solid #c8e6c9}.excel:hover{background:#2e7d32;color:#fff;transform:translateY(-2px);box-shadow:0 5px 15px rgba(46,125,50,.2)}.responsive-img{width:100%;max-width:500px;height:auto;border-radius:10px}.shadow-img{box-shadow:0 5px 25px rgba(0,0,0,.15);border:5px solid #fff}@media (max-width:768px){.header-con h1{font-size:1.4rem}.card-body-content{padding:20px}.content-box{padding:0;margin-bottom:30px}}