body{
	margin: 0;
    padding: 0;
    min-height: 100vh;
    display: flex;
	flex-direction: column;
    justify-content: center;
    align-items: center;
	background-image: url("../img/WechatIMG821.jpeg");
	background-size: cover;
	background-position: center;
    background-repeat: no-repeat;
    font-family: "Microsoft Yahei",sans-serif;
    }
.box{
    width: 80%;
    max-width: 800px;
    padding: 30px;
    border: 2px solid #2ecc71;
    border-radius: 8px;
    background-color: white;
    box-shadow: 0 4px 12px rgba(0,0,0,0.1);
    line-height: 1.8;
    color: #333;
    }
	.bottom-center {
		text-align: center;
		margin-top: 20px;
	}
	.back-home-btn{
		display: inline-block;
		padding: 10px 22px;
		border: 2px solid #28a745;
		border-radius: 6px;
		color: #28a745;
		background-color: #fff;
		text-decoration: none;
		font-size: 16px;
		cursor: pointer;
		transition: all 0.3s;
	}