body{align-items:center;box-sizing:border-box;color:#1a202c;display:flex;font-size:2rem;justify-content:center;margin:0;min-height:100vh;overflow:hidden;padding:20px;position:relative;text-align:center;-webkit-touch-callout:none;animation:scroll-background 10s linear infinite;background-color:#aaeaff;background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200' viewBox='0 0 200 200'%3E%3Cpath fill='%23aaeaff' d='M0 0h200v200H0z'/%3E%3Cpath stroke='%2387ceeb' stroke-width='2' d='M0 50 200 0M0 100l200-50M0 150l200-50M0 200l200-50' opacity='.4'/%3E%3Cpath stroke='%2387ceeb' stroke-width='2' d='m50 0 150 150M100 0l100 100M150 0l50 50' opacity='.2'/%3E%3C/svg%3E");background-repeat:repeat;background-size:200px 200px;-webkit-user-select:none;-khtml-user-select:none;-moz-user-select:none;-ms-user-select:none;user-select:none}@keyframes scroll-background{0%{background-position:0 0}to{background-position:200px 200px}}.message-container{background-color:transparent;border-radius:0;box-shadow:none;color:#1a202c;padding:0;text-shadow:1px 1px 5px hsla(0,0%,100%,.7);transition:transform .1s ease-out}.chinese-text{font-family:微软雅黑,sans-serif;margin-bottom:10px}.chinese-text,.english-text{display:block;font-style:italic;font-weight:700}.countdown-timer,.english-text{font-family:Arial,sans-serif}.countdown-timer{background-color:rgba(0,0,0,.5);border-radius:8px;bottom:20px;box-shadow:0 2px 10px rgba(0,0,0,.3);color:#fff;font-size:.9rem;line-height:1.4;padding:8px 12px;position:fixed;right:20px;transition:transform .2s ease-out;z-index:1000}.countdown-timer:hover{transform:scale(1.05)}@media (max-width:768px){body{font-size:1.5rem}.countdown-timer{bottom:10px;font-size:.8rem;padding:6px 10px;right:10px}}@media (max-width:480px){body{font-size:1.2rem}.countdown-timer{bottom:5px;font-size:.7rem;padding:4px 8px;right:5px}}