#ktw-contact-widget{--ktwc-blue:#1f4b78;--ktwc-orange:#ee8022;--ktwc-bottom:90px;position:fixed;right:22px;bottom:calc(var(--ktwc-bottom) + env(safe-area-inset-bottom,0px));z-index:1040;font-family:inherit;color:#334155;font-size:15px;line-height:1.5}
#ktw-contact-widget *{box-sizing:border-box}
#ktw-contact-widget button{font-family:inherit;cursor:pointer}
#ktw-contact-widget .ktwc-panel[hidden]{display:none!important}
#ktw-contact-widget .ktwc-panel{position:absolute;right:0;bottom:78px;width:340px;max-width:calc(100vw - 32px);max-height:calc(100dvh - 190px);overflow-y:auto;background:#fff;border:1px solid #e2e8ef;border-radius:18px;box-shadow:0 14px 44px #1f4b782b}
#ktw-contact-widget .ktwc-header{display:flex;align-items:flex-start;gap:12px;padding:20px;background:linear-gradient(135deg,#eef6fd,#fff);border-bottom:1px solid #e7edf3}
#ktw-contact-widget h2{font-size:18px;line-height:1.4;margin:0 0 5px;font-weight:700;color:var(--ktwc-blue)}
#ktw-contact-widget p{font-size:13px;margin:0;color:#64748b}
#ktw-contact-widget .ktwc-close{margin-left:auto;flex-shrink:0;width:34px;height:34px;border:0;border-radius:50%;background:#e5edf5;color:var(--ktwc-blue);font-size:26px;line-height:1}
#ktw-contact-widget .ktwc-body{padding:10px}
#ktw-contact-widget .ktwc-item{display:flex;align-items:center;gap:12px;padding:13px 10px;border-radius:12px;color:#334155;text-decoration:none!important;transition:background .2s}
#ktw-contact-widget .ktwc-item:hover{background:#f0f7fc}
#ktw-contact-widget .ktwc-icon{display:flex;align-items:center;justify-content:center;flex:0 0 44px;height:44px;border-radius:13px;color:#fff}
#ktw-contact-widget .ktwc-icon svg{width:23px;height:23px;fill:currentColor}
#ktw-contact-widget .ktwc-zalo{background:#087cfa;font-size:13px;font-weight:800}
#ktw-contact-widget .ktwc-phone{background:#21a366}
#ktw-contact-widget .ktwc-messenger{background:linear-gradient(135deg,#0085ff,#a044ee)}
#ktw-contact-widget .ktwc-text{min-width:0;flex:1}
#ktw-contact-widget strong,#ktw-contact-widget small{display:block}
#ktw-contact-widget strong{font-size:15px;color:var(--ktwc-blue)}
#ktw-contact-widget small{font-size:13px;color:#64748b;margin-top:3px}
#ktw-contact-widget .ktwc-arrow{font-size:25px;color:#8ca0b2}
#ktw-contact-widget .ktwc-facebook{display:block;text-align:center;margin:8px 4px 2px;padding:12px 4px;border-top:1px solid #e7edf3;color:var(--ktwc-blue);font-size:12px;text-decoration:none}
#ktw-contact-widget .ktwc-button{position:relative;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;width:66px;height:66px;border:0;border-radius:50%;color:#fff;background:#f58730;box-shadow:0 6px 18px #1f4b7840;font-size:10px;font-weight:700;letter-spacing:.4px}
#ktw-contact-widget .ktwc-button::before{content:'';position:absolute;inset:-5px;border:2px solid #ee802266;border-radius:50%;animation:ktwc-pulse 2.4s ease-out infinite;pointer-events:none}
#ktw-contact-widget .ktwc-bubble{display:block;border:2px solid currentColor;border-radius:9px;line-height:16px;width:29px;font-size:17px;letter-spacing:1px}
#ktw-contact-widget .ktwc-button[aria-expanded=true]::before{animation:none}
#ktw-contact-widget a:focus-visible,#ktw-contact-widget button:focus-visible{outline:3px solid var(--ktwc-orange);outline-offset:3px}
@keyframes ktwc-pulse{0%{transform:scale(.95);opacity:.8}100%{transform:scale(1.3);opacity:0}}
@media(max-width:767px){#ktw-contact-widget{right:16px;--ktwc-bottom:84px}#ktw-contact-widget .ktwc-button{width:60px;height:60px}#ktw-contact-widget .ktwc-panel{bottom:72px}}
@media(prefers-reduced-motion:reduce){#ktw-contact-widget .ktwc-button::before{animation:none}#ktw-contact-widget .ktwc-item{transition:none}}