@charset "utf-8";
/* 全局初始化 */
*{
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body{
    font-family: "Microsoft Yahei",sans-serif;
    background-color: #f8f6f2;
    color: #444;
    line-height: 1.8;
}
/* 顶部导航栏 */
.top-nav{
    width: 100%;
    background-color: #6b7c93;
    padding: 18px 0;
    text-align: center;
}
.top-nav a{
    color: #ffffff;
    text-decoration: none;
    font-size: 16px;
    margin: 0 12px;
    padding: 6px 12px;
    border-radius: 4px;
    transition: all 0.3s ease;
}
.top-nav a:hover{
    background-color: #889cb8;
    color: #fff8e6;
}
/* 容器主体 */
.container{
    width: 1200px;
    margin: 30px auto;
    overflow: hidden;
}
/* 标题样式 */
.main-title{
    text-align: center;
    font-size: 28px;
    color: #505f75;
    margin-bottom: 30px;
}
.sub-title{
    font-size: 20px;
    color: #6b7c93;
    margin: 20px 0 10px;
}
/* 卡片布局（核心视觉，分层+阴影+圆角，拒绝纯色） */
.card{
    width: 360px;
    background: #fff;
    padding: 20px;
    margin: 15px;
    float: left;
    border-radius: 10px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.12);
    transition: transform 0.3s, box-shadow 0.3s;
}
.card:hover{
    transform: translateY(-6px);
    box-shadow: 0 6px 20px rgba(0,0,0,0.18);
}
/* 图片样式 */
.card img{
    width: 100%;
    height: 220px;
    object-fit: cover;
    border-radius: 6px;
    margin-bottom: 15px;
}
/* 内容文本 */
.card p{
    font-size: 15px;
    color: #666;
}
/* 详情页内容区 */
.content-box{
    width: 900px;
    margin: 0 auto;
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 2px 15px rgba(0,0,0,0.1);
}
/* 底部页脚 */
.footer{
    clear: both;
    width: 100%;
    text-align: center;
    padding: 25px 0;
    margin-top: 40px;
    color: #888;
    font-size: 14px;
    border-top: 1px solid #e5e2dc;
}
/* 返回链接 */
.back-link{
    display: inline-block;
    margin: 20px 0;
    color: #6b7c93;
    text-decoration: none;
}
.back-link:hover{
    text-decoration: underline;
}