/* 全局样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f9f9f9;
}

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

/* 头部样式 */
.site-header {
    text-align: center;
    padding: 40px 0;
    background: linear-gradient(135deg, #ffffff 0%, #f5f5f5 100%);
    border-radius: 15px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
    margin-bottom: 30px;
}

.site-header img {
    transition: transform 0.3s ease;
}

.site-header img:hover {
    transform: scale(1.05);
}

.site-header h2 {
    color: #2c3e50;
    margin: 20px 0;
    font-size: 2.5em;
}

.site-header p {
    color: #666;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

/* 内容区域通用样式 */
section {
    background: #fff;
    border-radius: 12px;
    padding: 30px;
    margin-bottom: 30px;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.05);
}

.center {
    text-align: center;
}

h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.8em;
}

/* 特性列表样式 */
.features ul {
    list-style: none;
    padding: 20px;
}

.features li {
    margin: 15px 0;
    padding-left: 25px;
    position: relative;
}

.features li:before {
    content: "•";
    color: #3498db;
    font-weight: bold;
    position: absolute;
    left: 0;
}

/* 截图展示样式 */
.screenshots table {
    width: 100%;
    border-spacing: 15px;
    border-collapse: separate;
}

.screenshots img {
    width: 100%;
    border-radius: 8px;
    transition: transform 0.3s ease;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

.screenshots img:hover {
    transform: translateY(-5px);
}

/* 联系方式样式 */
.contact img {
    max-width: 200px;
    border-radius: 8px;
    margin: 20px 0;
    box-shadow: 0 2px 15px rgba(0, 0, 0, 0.1);
}

/* RoadMap样式 */
.roadmap ul {
    list-style: none;
    padding: 0 20px;
}

.roadmap li {
    margin: 12px 0;
    padding: 10px 15px;
    background: #f8f9fa;
    border-radius: 6px;
    transition: all 0.3s ease;
}

.roadmap li:hover {
    background: #eef2f7;
    transform: translateX(5px);
}

/* 底部样式 */
.footer {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: #fff;
    padding: 30px 0;
    margin-top: 50px;
}

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

.footer p {
    margin: 10px 0;
    font-size: 14px;
    opacity: 0.9;
}

.footer a {
    color: #fff;
    text-decoration: none;
    transition: opacity 0.3s ease;
}

.footer a:hover {
    opacity: 0.8;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 10px;
    }

    section {
        padding: 20px;
    }

    .screenshots table {
        display: block;
    }

    .screenshots td {
        display: block;
        margin-bottom: 15px;
    }
}
.download {
    padding: 50px 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 12px;
    margin: 30px 0;
}

.download-container {
    display: flex;
    justify-content: center;
    gap: 30px;
    flex-wrap: wrap;
    margin-top: 30px;
}

.download-card {
    background: white;
    padding: 30px;
    border-radius: 12px;
    text-align: center;
    width: 300px;
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
    transition: transform 0.3s ease;
}

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

.download-icon {
    font-size: 3em;
    color: #3498db;
    margin-bottom: 15px;
}

.download-card h4 {
    color: #2c3e50;
    margin-bottom: 10px;
    font-size: 1.5em;
}

.download-card p {
    color: #666;
    margin-bottom: 20px;
}

.download-button {
    display: flex;
    flex-direction: column;
    background: #3498db;
    color: white;
    padding: 12px 25px;
    border-radius: 8px;
    text-decoration: none;
    transition: background 0.3s ease;
}

.download-button:hover {
    background: #2980b9;
}

.download-button span {
    font-size: 1.1em;
    font-weight: bold;
}

.download-button small {
    font-size: 0.8em;
    opacity: 0.9;
}

@media (max-width: 768px) {
    .download-container {
        flex-direction: column;
        align-items: center;
    }

    .download-card {
        width: 100%;
        max-width: 300px;
    }
}