.chat-shell{background:#fff;border:1px solid #d8e4ec;border-radius:24px;width:min(100%,980px);min-height:700px;box-shadow:0 20px 60px #14344a16}.chat-shell header{background:#fff;border-bottom:1px solid #e3edf2;gap:12px;padding:20px 26px}.chat-shell header p{color:#0d6281}.chat-shell header h1{letter-spacing:-.025em;font-size:1.35rem}.chat-shell header span{color:#287149;background:#e5f5ea;border-radius:999px;padding:5px 10px}.chat-shell header button{border-radius:999px;min-height:36px;padding:0 14px;font-size:.82rem}.chat-shell .notice{color:#5e531d;background:#fff8dd;padding:12px 26px;font-size:.9rem}.chat-shell .messages{background:linear-gradient(#f6fbfd 0,#fff 26%);padding:30px 38px}.chat-shell .messages>div{max-width:74%;margin:18px 0}.chat-shell .messages small{color:#537080;font-size:.78rem}.chat-shell .messages p{border-radius:16px;padding:15px 17px;line-height:1.5;box-shadow:0 2px 7px #14344a08}.chat-shell .support p{color:#203b4c;background:#e8f2f7}.chat-shell .you p{background:#0d6281}.chat-shell form{background:#fff;border-top:1px solid #e3edf2;padding:19px 26px}.chat-shell form input{background:#f8fbfc;border-color:#c9dbe4;border-radius:999px;padding:14px 18px}.chat-shell form input:focus{border-color:#0d6281;outline:3px solid #bfe1ee}.chat-shell form button{border-radius:999px;min-height:47px}.chat-shell .notice button{border-radius:999px;min-height:36px;margin-top:6px}.chat-shell label{color:#436272;margin:10px 0;font-size:.85rem;font-weight:700;display:block}.chat-shell label input{box-sizing:border-box;width:100%;margin-top:5px;display:block}.chat-shell h2{color:#173b50;font-size:1.05rem}@media (max-width:700px){.chat-shell{border-radius:18px;min-height:calc(100vh - 24px)}.chat-shell header{padding:18px}.chat-shell .messages{padding:22px 18px}.chat-shell .messages>div{max-width:90%}.chat-shell form{padding:15px}.chat-shell form button{padding:0 15px}.chat-shell header span{margin-left:0}}