@charset "utf-8";
/* CSS Document */

* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }
        body {
            background-color: #f8fbff;
            color: #333;
            min-height: 100vh;
            /* 上下预留固定头部底部高度 */
            padding-top: 90px;
            padding-bottom: 60px;
            display: flex;
            flex-direction: column;
            /* 关键：保证子元素高度继承，移动端垂直居中生效 */
            height: 100vh;
            overflow-x: hidden;
        }
        /* 头部LOGO区域 - 固定置顶 */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            padding: 15px 20px;
            text-align: center;
            background: #fff;
            box-shadow: 0 2px 8px rgba(30, 136, 229, 0.1);
            z-index: 999;
        }
        .logo-box {
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo-img {
            width: 100%;
            max-width: 600px;
            height: auto;
        }
        /* 主内容区域：弹性布局实现垂直居中 */
        main {
            flex: 1;
            max-width: 1200px;
            width: 100%;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center; /* 垂直居中核心 */
            justify-content: center;
            /* 适配手机高度，强制占满剩余空间 */
            min-height: calc(100vh - 150px);
        }
        .software-list {
            width: 100%;
            display: grid;
            /* 手机缩小卡片最小宽度，单排显示不拥挤 */
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 16px; /* 缩小卡片间距 */
        }
        .software-card {
            background: #ffffff;
            border-radius: 16px;
            padding: 18px 14px; /* 大幅缩减卡片内边距，降低卡片高度 */
            text-align: center;
            border: 2px solid #1e88e5;
            transition: all 0.3s ease;
            cursor: pointer;
            text-decoration: none;
            color: #222;
        }
        .software-card:hover {
            transform: translateY(-6px);
            box-shadow: 0 10px 25px rgba(30, 136, 229, 0.18);
            background-color: #f0f7ff;
        }
        .card-icon {
            width: 50px; /* 缩小图标尺寸 */
            height: 50px;
            margin: 0 auto 10px; /* 缩小图标下方间距 */
            background-color: #1e88e5;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-size: 24px; /* 缩小图标文字 */
        }
        .card-title {
            font-size: 17px; /* 缩小标题字号 */
            font-weight: bold;
            color: #1565c0;
            margin-bottom: 6px;
        }
        .card-desc {
            font-size: 13px;
            color: #666;
            line-height: 1.4;
        }
        /* 底部版权 - 固定页面底部 */
        footer {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            text-align: center;
            padding: 16px 20px;
            background: #1e88e5;
            color: #fff;
            font-size: 14px;
            z-index: 999;
        }
			footer a{color:#FFF;text-decoration:none;}
			footer a:hovr{color:#FFF; font-size:15px;}

        /* 手机端媒体查询，强化垂直居中、优化尺寸 */
        @media screen and (max-width: 768px) {
            body {
                padding-top: 70px;
                padding-bottom: 50px;
            }
            header {
                padding: 10px 15px;
            }
            main {
                padding: 0 12px;
                min-height: calc(100vh - 120px);
            }
            .software-list {
                grid-template-columns: 1fr;
                max-width: 320px;
            }
            .logo-img {
                max-width: 320px;
            }
            footer {
                padding: 12px 10px;
                font-size: 13px;
            }
        }