.thkd-calculator-wrapper *{box-sizing:border-box;font-family:Arial,Helvetica,sans-serif}.thkd-title{font-size:22px;text-align:center;margin:0 0 18px}.thkd-calculator-wrapper label{font-weight:700;display:block;margin:1px 0 0}.thkd-calculator-wrapper input,.thkd-calculator-wrapper select{width:100%;padding-left:20px;border:1px solid #ccc;border-radius:4px;font-size:16px}.thkd-result-box{background:#fafafa;border:1px solid #ffd54f;border-radius:4px;padding:14px 20px 3px 20px;margin-top:18px;line-height:1.4}.thkd-footer-note{font-size:14px;color:#222;margin-top:16px;line-height:1.4}.highlight{color:#d32f2f;font-weight:700}.thkd-actions{display:flex;flex-wrap:wrap;gap:12px;border-top:1px solid #d9d9d9;padding-top:18px;margin-top:18px}.thkd-actions .btn{flex:1 1 200px;display:flex;align-items:center;justify-content:center;gap:6px;padding:14px;border-radius:4px;color:#fff;font-weight:700;font-size:16px;text-decoration:none}.btn.phone{background:#a67c52}.btn.zalo{background:#2196f3}.btn.email{background:#343a40}.btn:hover{opacity:.9}#thkd_calc_1{background:#fff;border:1px solid #E0E0E0;border-radius:8px;max-width:670px;width:100%;padding:24px;margin:auto;box-shadow:0 4px 12px rgba(0,0,0,.05);margin-bottom:25px}@media(max-width:600px){.thkd-title{font-size:20px}.thkd-calculator-wrapper input,.thkd-calculator-wrapper select{padding:12px;font-size:15px}.thkd-actions{gap:8px}.thkd-actions .btn{flex:1 1 100%;font-size:15px;padding:12px}.thkd-footer-note{font-size:13px}}