/* 回退选项 */
html {
    background: linear-gradient(to right, #9a8c98, #c9ada7, #f2e9e4); /* 使用 JPEG 作为回退 */
}

/* 如果浏览器支持 WebP */
@supports (background-image: url("data:image/webp;base64,UklGRiQAAABXRUJQVlA4IBgAAAAwAQCdASoBAAEADsD+JaQAA3AAAAAA")) {
    html {
        background-image: url('/assets/bg/wallhaven-z8wl1y.webp');
        background-size: cover;
        background-position: center;
    }
}

body {
    font-family: Arial, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    /*background: linear-gradient(to right, #9a8c98, #c9ada7, #f2e9e4);*/ /* 修改背景颜色 */
    color: #030202;
    text-align: center;
}
/*header 设置*/
header {
    background-color: #4a4e6994; /* 修改背景颜色并添加透明度 */
    color: #fff;
    text-shadow: 0 0 8px rgba(45, 42, 42, 0.804);
    padding: 20px 0;
    text-align: center;
}

header h1 {
    margin: 0;
    font-size: 2.0em;
}

header p {
    margin: 5px 0;
    font-size: 0.9em;
}

/*section部分*/
section {
    padding: 20px;
    margin: 10px auto;
    background-color: #f2e9e479;
    color: #262835;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(0, 0, 0, 0.5);
    max-width: 800px;
    text-align: left;
    font-size: 0.9em;
}

section h2 {
    border-bottom: 1px solid #4a4e69;
    padding-bottom: 5px;
    margin-bottom: 10px;
    text-align: left;
    font-size: 1.1em;
}

section table {
    width: 100%;
    border-collapse: collapse;
    margin-bottom: 4px; /*表格底部外边距*/
}

section table, section table td {
    /*border: 0.5px solid transparent; 透明的表格线*/
    border: 2px #262835; 
    padding: 4px;
}

section table td {
    padding: 4px;
    text-align: left;
    vertical-align: top;
}

section ul {
    list-style-type: none;
    padding: 0;
    margin: 0;
}

section ul li {
    margin-bottom: 10px;
}

section ul li h3 {
    font-size: 1em;
    margin-bottom: 5px;
}

section ul li p {
    margin: 5px 0;
    padding-left: 20px;
    text-indent: -20px;
}

section ul li ul {
    margin-left: 20px;
    padding-left: 0;
}

section ul li ul li {
    margin-bottom: 5px;
}

ul {
    list-style-type: none;
    padding: 0;
    text-align: left;
}

ul li h3, ul li p {
    margin: 0;
    padding: 0 10px;
}
/*footer 页尾设置*/
footer {
    height: 30px; /* 调整高度 */
    background-color: #4a4e6994; /* 修改背景颜色并添加透明度 */
    text-align: center;
    padding: 10px 0;
    color: #fff;
    width: 100%;
    bottom: 0;
}