/* ================= 基础样式 ================= */

body{
    margin:0;
    background:#f3f5f7;
    font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
    color:#2b2b2b;
    line-height:1.8;
}

/* ================= 页面主体 ================= */

.container{
    max-width:1080px;
    margin:0 auto;
    background:#ffffff;
    padding:30px 36px;
}

h1{font-size:30px;margin:0 0 12px;}
h2{font-size:23px;margin:46px 0 18px;border-left:6px solid #3fa9f5;padding-left:14px;}
h3{font-size:19px;margin:28px 0 10px;}
h4{font-size:16px;margin:20px 0 6px;}

.meta{font-size:14px;color:#777;border-bottom:1px solid #eaeaea;padding-bottom:16px;}
.meta span{margin-right:22px;}

.summary{margin-top:22px;font-size:15px;}

.info-table{width:100%;border-collapse:collapse;margin-top:16px;}
.info-table td{border:1px solid #e6e6e6;padding:10px 14px;font-size:14px;}

.download-box{margin-top:26px;background:#f8fbff;border:1px solid #dbe9f8;padding:24px;}
.download-btn{
    display:inline-block;
    padding:15px 36px;
    background:#3fa9f5;
    color:#fff;
    font-size:18px;
    text-decoration:none;
    border-radius:4px;
}
.download-btn:hover{background:#2f93dc;}

.tip{font-size:14px;color:#666;margin-top:10px;}

ul,ol{padding-left:22px;}

.log,.faq{
    background:#fafafa;
    border:1px solid #eee;
    padding:22px;
    font-size:14px;
}

.related a{
    display:inline-block;
    margin:6px 18px 6px 0;
    font-size:14px;
    color:#3fa9f5;
    text-decoration:none;
}

.footer{
    margin-top:60px;
    padding-top:22px;
    border-top:1px solid #eee;
    font-size:13px;
    color:#777;
}
.footer a{color:#777;text-decoration:none;margin-right:14px;}

/* ================= 截图 ================= */

.screenshots{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:18px;
    margin-top:18px;
}
.screenshots img{
    width:100%;
    border-radius:6px;
    border:1px solid #e6e6e6;
}
.screenshots p{
    grid-column:1/-1;
    font-size:14px;
    color:#666;
}

/* ================= 右侧布局 ================= */

.func-wrap{
    display:flex;
    gap:24px;
    margin-top:20px;
    align-items:flex-start;
}

.func-left{
    flex:1;
    min-width:0;
}

.func-right{
    width:300px;
    border:1px solid #e6e6e6;
    border-radius:6px;
    background:#fafafa;
    padding:14px;
    font-size:14px;
}

/* ================= 滚动模块 ================= */

.scroll-title{
    text-align:center;
    font-weight:600;
    margin-bottom:10px;
    color:#3fa9f5;
}

.scroll-box{
    height:360px;
    overflow:hidden;
}

.scroll-list{
    list-style:none;
    padding:0;
    margin:0;
}

.scroll-list li{
    padding:8px 0;
    border-bottom:1px dashed #ddd;
    white-space:nowrap;
}

/* ================= 留言模块（安全隔离） ================= */

.message-box{
    margin:40px auto;
    background:#fff;
    padding:24px;
    border-radius:10px;
    border:1px solid #e6e6e6;
    box-shadow:0 8px 18px rgba(0,0,0,0.05);
}

.message-box h2{
    text-align:center;
    margin:0 0 18px;
    padding:0;
    border:none;
}

.message-box .form-item{
    margin-bottom:14px;
}

.message-box input,
.message-box textarea{
    width:100%;
    padding:10px;
    border:1px solid #ddd;
    border-radius:6px;
    font-size:14px;
    box-sizing:border-box;
}

.message-box textarea{
    height:120px;
    resize:none;
}

.message-box .submit-btn{
    width:100%;
    background:#409eff;
    color:#fff;
    border:none;
    padding:12px;
    border-radius:6px;
    font-size:16px;
    cursor:pointer;
}

.message-box .submit-btn:hover{
    background:#337ecc;
}

/* ================= 分类导航 ================= */

.category-nav{
    margin:18px 0 30px;
    background:#f5f9ff;
    border:1px solid #dbe9f8;
    border-radius:8px;
}

.category-nav ul{
    list-style:none;
    margin:0;
    padding:12px;
    display:flex;
    flex-wrap:wrap;
    gap:12px;
}

.category-nav li{ }

.category-nav a{
    display:block;
    padding:8px 16px;
    background:#fff;
    border-radius:6px;
    border:1px solid #d0e4f7;
    color:#3fa9f5;
    font-size:14px;
    text-decoration:none;
    transition:.2s;
}

.category-nav a:hover{
    background:#3fa9f5;
    color:#fff;
}



/* ================= 移动端适配 ================= */



@media (max-width:900px){
    .category-nav ul{
        justify-content:center;
    }


    .container{
        padding:18px 14px;
    }

    .func-wrap{
        flex-direction:column;
    }

    .func-right{
        width:93%;
        margin:20px auto 0;
    }

    .scroll-box{
        height:260px;
    }

    h1{font-size:24px;}
    h2{font-size:20px;}
    h3{font-size:17px;}
}

/* ================= 搜索框 ================= */

.search-box{
    margin:20px 0 30px;
}

.search-box form{
    display:flex;
    gap:8px;
}

.search-box input{
    flex:1;
    padding:10px 12px;
    border:1px solid #dcdcdc;
    border-radius:6px;
    font-size:14px;
    outline:none;
}

.search-box input:focus{
    border-color:#3fa9f5;
}

.search-box button{
    padding:10px 22px;
    background:#3fa9f5;
    color:#fff;
    border:none;
    border-radius:6px;
    cursor:pointer;
    font-size:14px;
}

.search-box button:hover{
    background:#2f93dc;
}