body{margin:0;min-height:100vh;background:radial-gradient(circle at top left,rgba(49,94,251,.18),transparent 30%),linear-gradient(180deg,#f7f9fd,#eef3fb);color:#1f2a44;font-family:Microsoft YaHei,PingFang SC,sans-serif}#root{min-height:100vh}.entry-page{min-height:100vh;display:grid;place-items:center;padding:24px}.entry-panel{width:min(860px,100%);border:1px solid rgba(25,55,109,.08);border-radius:24px;background:#fffffff0;box-shadow:0 18px 50px #233c7814;padding:32px}.eyebrow{color:#667085;font-size:12px;letter-spacing:.14em}.card{margin-top:24px;padding:18px;border:1px solid #d9e2ef;border-radius:16px}.row{display:flex;gap:12px}.row input{flex:1;min-width:0;border:1px solid #d9e2ef;border-radius:12px;padding:12px 14px}.row button{border:0;border-radius:12px;padding:12px 16px;background:#315efb;color:#fff;cursor:pointer}.messages{display:grid;gap:10px;margin-bottom:16px}.message{display:grid;gap:4px;border-radius:12px;padding:10px 12px;background:#f4f7fb}.message.support,.message.system{border-left:3px solid #315efb}.message.visitor{border-left:3px solid #12b76a}.result{margin-top:12px;color:#475467;line-height:1.7;word-break:break-all}