/* 基础设置 */
:root {
    --primary-color: #1a73e8;
    --bg-color: #f8f9fa;
    --card-color: #ffffff;
    --text-color: #333333;
    --border-radius: 8px;
    --shadow: 0 4px 6px rgba(0,0,0,0.1);
}

* {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: var(--text-color);
    background-color: var(--bg-color);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 头部样式 */
header {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 40px 0;
    text-align: center;
}

header h1 {
    margin: 10px 0;
    font-size: 2.5em;
}

header h1 span {
    font-size: 0.6em;
    background-color: #ff5722;
    padding: 2px 8px;
    border-radius: 4px;
    vertical-align: top;
}

.logo {
    height: 60px;
    border-radius: 50%;
    border: 3px solid white;
}

/* 通用区域样式 */
section {
    padding: 60px 0;
}

section h2 {
    text-align: center;
    margin-bottom: 40px;
    font-size: 2em;
    color: #202124;
}

/* 功能网格 */
.grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
}

.feature-card {
    background: var(--card-color);
    padding: 20px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: transform 0.2s;
}

.feature-card:hover {
    transform: translateY(-5px);
}

.feature-card h3 {
    color: var(--primary-color);
    margin-bottom: 10px;
}

/* 截图展示 */
#gallery .gallery-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 20px;
}

#gallery img {
    width: 100%;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    transition: 0.3s;
}

#gallery img:hover {
    box-shadow: 0 8px 15px rgba(0,0,0,0.2);
}

/* 下载区域 */
.download-box {
    background: var(--card-color);
    padding: 40px;
    border-radius: var(--border-radius);
    box-shadow: var(--shadow);
    text-align: center;
    max-width: 500px;
    margin: 0 auto;
}

.btn-download {
    display: inline-block;
    margin-top: 20px;
    padding: 12px 30px;
    background-color: var(--primary-color);
    color: white;
    text-decoration: none;
    border-radius: 4px;
    font-weight: bold;
    font-size: 1.1em;
    transition: background 0.3s;
}

.btn-download:hover {
    background-color: #0d47a1;
}

.note {
    margin-top: 10px;
    color: #666;
    font-size: 0.9em;
}

/* 页脚 */
footer {
    text-align: center;
    padding: 20px 0;
    background-color: #f1f3f4;
    color: #5f6368;
    font-size: 0.9em;
}

/* 响应式设计 */
@media (max-width: 768px) {
    header h1 {
        font-size: 2em;
    }
    .container {
        padding: 0 15px;
    }
    section {
        padding: 40px 0;
    }
}


.ft{ width:100%; clear:both; padding-top:20px; line-height:1.5; color:#ccc; text-align:center; background:url(//open.soft.360.cn/css/images/ft-bg.png) top center no-repeat;margin-top:100px}