body, html {
    font-family: 'Microsoft YaHei', 'Arial', 'KaiTi', '楷体', sans-serif;
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

* {
    box-sizing: border-box;
}

button {
    transition: all 0.3s ease;
    cursor: pointer;
    border: none;
    outline: none;
    font-family: inherit;
}

button:hover {
    transform: translateY(-2px);
}

button:active {
    transform: translateY(0);
}
::-webkit-scrollbar {
    width: 10px;
    background: #eee;
}

::-webkit-scrollbar-thumb {
    background: #bdbdbd;
    border-radius: 5px;
}

::-webkit-scrollbar-thumb:hover {
    background: #999;
}