#vb {width:1200px;margin:0 auto;background-color:green;border-radius: 5px;}
#videodiv {flex:auto;}
#lvn {width:100%;height:50px;color:red;}
#lvf {width:100%;height:50px;color:red;}
#lvt {width:900px;margin:0 auto;}
.olt{position:absolute;bottom:80px;left:20px;color:rgba(255,255,255,0.7);font-family:"微软雅黑";font-size:16px;}
.dashboard {display: flex;flex-wrap: wrap;gap: 30px;margin-bottom: 0px;}
.stats-card {flex: 1;min-width: 400px;background: rgba(255, 255, 255, 0.95);border-radius: 5px;padding: 25px;box-shadow: 0 0px 0px rgba(0,0,0,0.1);backdrop-filter: blur(10px);}
.stats-title {font-size: 1.2rem;color: #666;margin-bottom: 10px;display: flex;align-items: center;gap: 10px;}
.stats-title i {color: #667eea;}
.stats-number {font-size: 3rem;font-weight: bold;color: #333;text-align: center;margin: 5px 0;}
.stats-change {text-align: center;color: #666;font-size: 0.9rem;}
.loading {color: #999;font-size: 16px;font-style: italic;}
.counter {font-family: 'Courier New', monospace;letter-spacing: 1px;}
.stats-value {font-size: 28px;font-weight: bold;color: #2196F3;height: 36px; align-items: center;transition: all 0.3s ease;text-align: center;}
.stats-value.updating {color: #FF9800;transform: scale(1.05);}