body{font-family: "HanHei SC","PingHei","PingFang SC","微软雅黑","Helvetica Neue","Helvetica","Arial",sans-serif;font-size: 15px;line-height: 1.846;color: #666666;}
.container-top { margin-top:20px; }
.foot-text { color:black; }
.foot-center { text-align:center; padding: 20px 0 30px; }
.foot-center a { color: #3498db; text-decoration: none; }
.foot-center a:hover { text-decoration: underline; }
.modal-overlay { display: none; position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0,0,0,0.5); z-index: 10000; align-items: flex-start; justify-content: center; padding-top: 20vh; }
.modal-overlay.is-visible { display: flex; }
.modal-card { background: white; padding: 2rem; border-radius: 0.5rem; text-align: center; max-width: 400px; margin: 0 1rem; }
.modal-icon-success { color: #28a745; font-size: 3rem; margin-bottom: 1rem; }
.modal-icon-warning { color: #ffc107; font-size: 3rem; margin-bottom: 1rem; }
.modal-text { margin: 0 0 1.5rem 0; color: #666; }
.modal-btn { background: #007bff; color: white; border: none; padding: 0.5rem 1.5rem; border-radius: 0.25rem; cursor: pointer; }