#greetingBox{position:fixed;top:20px;left:50%;transform:translateX(-50%);width:420px;text-align:center;z-index:10000;pointer-events:none;font-family:'Microsoft YaHei',sans-serif}.greeting{display:inline-block;position:relative;opacity:0;top:-120px;padding:12px 50px;border-radius:30px;background:linear-gradient(135deg,#f8f9fa 0%,#ffffff 100%);color:#2c3e50;font-size:15px;transition:all 0.6s cubic-bezier(0.25,0.46,0.45,0.94);box-shadow:0 8px 30px rgba(0,0,0,0.12);margin:8px 0;border:1px solid rgba(255,255,255,0.3);backdrop-filter:blur(6px);transform:scale(0.9);min-width:280px}.greeting.shown{opacity:1;top:0;transform:scale(1)}@keyframes float{0%{transform:translateY(0px)}50%{transform:translateY(-5px)}100%{transform:translateY(0px)}}