* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: "Microsoft Yahei", sans-serif;
    background-color: #f5f7fa;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 800px;
    margin: 80px auto;
    padding: 0 20px;
    text-align: center;
}

h1 {
    font-size: 36px;
    margin-bottom: 20px;
    color: #222;
}

p {
    font-size: 18px;
    margin-bottom: 10px;
}

.box {
    margin-top: 40px;
    padding: 30px;
    background: #fff;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
}