*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    background-color: #f7f3e9;
    color: #2c2c2c;
    font-family: "Microsoft Yahei", SimSun, sans-serif;
    line-height: 1.85;
}
.container{
    max-width: 820px;
    margin: 0 auto;
    padding: 16px 20px;
}
header{
    text-align: center;
    padding: 30px 0;
    border-bottom: 1px solid #d9d2c3;
    margin-bottom:30px;
}
header h1{
    font-size:28px;
    color:#442e1e;
}
header p{
    color:#666;
    margin-top:8px;
}

.book-list{
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px,1fr));
    gap:20px;
}
.book-item{
    background:#fff;
    padding:16px;
    border-radius:8px;
    border:1px solid #e0d9cc;
    cursor:pointer;
    transition:0.25s;
}
.book-item:hover{
    background:#fffaf0;
    transform: translateY(-3px);
}
.book-item h3{
    font-size:17px;
    margin-bottom:6px;
}
.book-item .desc{
    font-size:14px;
    color:#666;
}

/*阅读页样式*/
.article-wrap{
    margin-top:30px;
    background:#fff;
    padding:30px;
    border-radius:10px;
    border:1px solid #e0d9cc;
}
.article-title{
    text-align:center;
    font-size:22px;
    margin-bottom:24px;
    color:#332211;
}
#article-content{
    font-size:19px;
    white-space:pre-wrap;
    text-indent:2em;
}
.back-btn{
    display:inline-block;
    margin-bottom:20px;
    padding:7px 14px;
    background:#5a4535;
    color:#fff;
    text-decoration:none;
    border-radius:4px;
}
.load-text{
    text-align:center;
    padding:60px 0;
    font-size:16px;
    color:#777;
}