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

html, body {
    height: 100%;
    font-family: var(--font-family);
    font-size: var(--font-size-base);
    color: var(--text-dark);
    background-color: var(--background-light);
}

body {
    line-height: 1.6;
}

a {
    text-decoration: none;
    color: inherit;
}

ul, ol {
    list-style: none;
}

button, input, select, textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
    background: none;
}

img {
    max-width: 100%;
    height: auto;
}

/* 清除浮动 */
.clearfix::after {
    content: "";
    display: table;
    clear: both;
}