body {
            margin: 0;
            padding: 0;
            overflow: hidden;
            background-color: #f0f0f0;
            font-family: "Microsoft YaHei", sans-serif;
            height: 100vh;
        }
        .number-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            grid-auto-rows: 30px;
            gap: 10px;
            padding: 20px;
            width: 100%;
            height: 100%;
            color:#b3b6b0;
        }
        .number {
            font-size: 20px;
            opacity: 0.7;
            text-align: center;
            line-height: 30px;
        }
        .main-number {
            position: fixed;
            top: 100px;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 36px;
            opacity: 0.6;
            z-index: 100;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .main-number a{
            text-decoration: none;
            color:#b3b6b0;
        }
        .main-number a:visited{
            color:#b3b6b0;
        }
        .main-number2 {
            position: fixed;
            top: 200px;
            left: 10%;
            right: 10%;
            1transform: translate(-50%, -50%);
            font-size: 38px;
            opacity: 0.6;
            z-index: 100;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .main-number3 {
            position: fixed;
            bottom: 170px;
            left: 20%;
            right: 20%;
            font-size: 3vw;
            font-weight: bold;
            color:#b3b6b0;
            opacity: 0.6;
            z-index: 100;
            display: flex;
            justify-content: center;
            align-items: center;
            text-decoration: none;
        }
        .main-number span {
            display: inline-block;
        }
        .refresh-btn {
    position: fixed;
    bottom: 300px;
    left: 50%;
    transform: translateX(-50%);
    padding: 50px 30px;
    font-size: 80px;
    background-color: #4CAF50;
    color: white;
    border: none;
    width: 100%;
    cursor: pointer;
    z-index: 101;
        }
        .refresh-btn:disabled {
            background-color: #cccccc;
            cursor: not-allowed;
        }
        .time-display {
            position: fixed;
            bottom: 120px;
            left: 50%;
            color:#b3b6b0;
            transform: translateX(-50%);
            font-size: 2vw;
            z-index: 101;
            padding: 5px 15px;
            border-radius: 5px;
            text-decoration: none;
        }
        a:visited{
            color:#b3b6b0;
            text-decoration: none;
        }
      
        .bottom-all{
            width:100%;
            position: fixed;
            bottom: 0px;
        }
        .bottom-left{
        }
        .bottom-center{
        }
        .bottom-left a{
            float:left;
            width:33.3%;
            text-align:center;
            line-height:150px;
            background-color:#ffffff;
            font-size:50px;
            left:0;
            border-color:#bdbdbd;
            border-width:1px 0 0 0;
            color:#b3b6b0;
            border-style:solid;


            text-decoration: none;
            color:#b3b6b0;
            padding1: 0px 25%;
            box-sizing: border-box;
            display: inline-block;
        }
        .bottom-left a:visited{
            color:#b3b6b0;
        }
        .bottom-center a{
            float:left;
            width:33%;
            text-align:center;
            line-height:150px;
            background-color:#ffffff;
            font-size:50px;
            left:0;
            color:#b3b6b0;
            border-color:#bdbdbd;
            border-width:1px 1px 0 1px;
            border-style:solid;


            text-decoration: none;
            color:#b3b6b0;
            padding1: 0px 15%;
            box-sizing: border-box;
            display: inline-block;
        }
        .bottom-center a:visited{
            color:#b3b6b0;

        }
        .to2 {
            text-indent1:40px;
            position: fixed;
            top: 500px;
            left: 50%;
            transform: translate(-50%, -50%);
            font-size: 36px;
            font-weight1: bold;
            opacity: 0.6;
            z-index: 100;
            display: flex;
            justify-content: center;
            align-items: center;
            border-width:1px;
            border-color:#ffffff;
            border-radius:15px;
            background: #fff;
        }
        .to2 a{
            text-decoration: none;
            color:#ff0000;
            padding: 55px 65px;
            box-sizing: border-box;
            display: inline-block;
        }
        .to2 a:visited{
            color:#ff0000;
        }