.ogsc{--ogsc:#048ca6;position:fixed;right:20px;bottom:20px;z-index:99999;font-family:"Open Sans",Arial,sans-serif;font-size:15px;line-height:1.5}
.ogsc *{box-sizing:border-box}
.ogsc-launch{width:60px;height:60px;border-radius:50%;border:0;background:var(--ogsc);color:#fff;cursor:pointer;display:flex;align-items:center;justify-content:center;box-shadow:0 10px 30px rgba(3,80,95,.35);transition:transform .2s;margin-left:auto}
.ogsc-launch:hover{transform:scale(1.06)}
.ogsc-panel{display:none;flex-direction:column;width:370px;max-width:calc(100vw - 32px);height:560px;max-height:calc(100vh - 110px);background:#fff;border-radius:18px;overflow:hidden;box-shadow:0 24px 60px rgba(0,0,0,.22);margin-bottom:14px}
.ogsc-open .ogsc-panel{display:flex}
.ogsc-head{background:var(--ogsc);color:#fff;padding:16px 18px;display:flex;align-items:flex-start;gap:10px;flex-wrap:wrap}
.ogsc-head>div{flex:1;min-width:0}
.ogsc-head strong{display:block;font-family:Kanit,"Open Sans",sans-serif;font-size:18px;letter-spacing:.3px}
.ogsc-head span{display:block;font-size:13px;opacity:.85}
.ogsc-close{background:none;border:0;color:#fff;font-size:28px;line-height:1;cursor:pointer;padding:0 4px}
.ogsc-talk{flex-basis:100%;background:rgba(255,255,255,.18);color:#fff;border:0;border-radius:20px;padding:5px 12px;font-size:13px;cursor:pointer;text-align:center}
.ogsc-log{flex:1;overflow-y:auto;padding:16px;background:#f4f6f7;display:flex;flex-direction:column;gap:10px}
.ogsc-msg{max-width:85%;padding:10px 14px;border-radius:16px;white-space:pre-wrap;word-wrap:break-word}
.ogsc-msg a{color:inherit;text-decoration:underline;font-weight:600}
.ogsc-bot,.ogsc-agent{background:#fff;color:#16262b;align-self:flex-start;border-bottom-left-radius:4px;box-shadow:0 1px 3px rgba(0,0,0,.06)}
.ogsc-agent{border-left:3px solid var(--ogsc)}
.ogsc-visitor{background:var(--ogsc);color:#fff;align-self:flex-end;border-bottom-right-radius:4px}
.ogsc-system{align-self:center;background:transparent;color:#5b6b70;font-size:13px;text-align:center}
.ogsc-typing i{display:inline-block;width:7px;height:7px;margin:0 2px;border-radius:50%;background:#9db3b8;animation:ogsc-b 1s infinite}
.ogsc-typing i:nth-child(2){animation-delay:.15s}.ogsc-typing i:nth-child(3){animation-delay:.3s}
@keyframes ogsc-b{0%,80%,100%{opacity:.3}40%{opacity:1}}
.ogsc-chips{display:flex;flex-wrap:wrap;gap:6px;padding:0 12px;background:#f4f6f7}
.ogsc-chips:not(:empty){padding-bottom:10px}
.ogsc-chip{border:1px solid var(--ogsc);color:var(--ogsc);background:#fff;border-radius:20px;padding:6px 12px;font-size:13px;cursor:pointer}
.ogsc-chip:hover{background:var(--ogsc);color:#fff}
.ogsc-input{display:flex;gap:8px;padding:12px;border-top:1px solid #e3eaec;background:#fff;margin:0}
.ogsc-input input{flex:1;border:1px solid #d5e0e3;border-radius:24px;padding:10px 16px;font-size:16px;outline:none;min-width:0}
.ogsc-input input:focus{border-color:var(--ogsc)}
.ogsc-input button,.ogsc-btn{background:var(--ogsc);color:#fff;border:0;border-radius:24px;padding:10px 18px;font-weight:600;cursor:pointer;font-size:14px}
.ogsc-offer{background:#fff;border-radius:14px;padding:14px;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.ogsc-offer p,.ogsc-form p{margin:0 0 10px}
.ogsc-offer .ogsc-btn{margin:0 6px 6px 0}
.ogsc-ghost{background:#fff;color:#16262b;border:1px solid #d5e0e3}
.ogsc-form{display:flex;flex-direction:column;gap:8px;background:#fff;border-radius:14px;padding:14px;box-shadow:0 1px 3px rgba(0,0,0,.08)}
.ogsc-form input{border:1px solid #d5e0e3;border-radius:10px;padding:10px 12px;font-size:16px}
.ogsc-form small{color:#5b6b70}
.ogsc-err{color:#c0392b;font-size:13px}
@media (max-width:480px){
  .ogsc{right:12px;bottom:12px}
  .ogsc-open{left:12px}
  .ogsc-panel{width:100%;max-width:100%;height:calc(100vh - 100px)}
}