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

body {
    font-family: 'PingFang SC', 'Helvetica Neue', Arial, sans-serif;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 20px;
    color: #333;
    line-height: 1.6;
}

.container {
    width: 100%;
    max-width: 500px;
}

/* 卡片样式 */
.card {
    background: white;
    border-radius: 20px;
    padding: 30px;
    box-shadow: 0 20px 40px rgba(0,0,0,0.1);
    text-align: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.card:hover {
    transform: translateY(-5px);
    box-shadow: 0 25px 50px rgba(0,0,0,0.15);
}

/* 应用图标 */
.app-icon {
    text-align: center !important;
    width: 100% !important;
}

.icon-wrapper {
    display: block !important;
    margin: 0 auto !important;
    width: 60px !important;
    height: 60px !important;
    border-radius: 10px !important;
    overflow: hidden !important;
}

.icon-wrapper img {
    width: 100% !important;
    height: 100% !important;
    object-fit: cover !important;
    display: block !important;
}

/* 应用名称和描述 */
.app-name {
    color: #333;
    margin-bottom: 10px;
    font-size: 28px;
    font-weight: 600;
}

.app-description {
    color: #666;
    margin-bottom: 25px;
    font-size: 16px;
}

/* 应用信息 */
.app-info {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 25px;
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

.info-item {
    display: flex;
    flex-direction: column;
    margin: 5px 10px;
}

.label {
    font-size: 12px;
    color: #888;
    margin-bottom: 4px;
}

.value {
    font-size: 14px;
    font-weight: 600;
    color: #333;
}

/* 下载按钮 */
.download-btn {
    background: linear-gradient(45deg, #4CAF50, #45a049);
    color: white;
    border: none;
    padding: 16px 40px;
    font-size: 18px;
    border-radius: 50px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    margin-bottom: 25px;
    box-shadow: 0 10px 20px rgba(76, 175, 80, 0.3);
    font-weight: 600;
}

.download-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 25px rgba(76, 175, 80, 0.4);
}

.btn-icon {
    margin-right: 8px;
    font-size: 20px;
}

/* 提示信息 */
.wechat-tips {
    background: #fff3cd;
    border: 1px solid #ffeaa7;
    border-radius: 12px;
    padding: 15px;
    margin-bottom: 25px;
    text-align: left;
}

.tips-header {
    display: flex;
    align-items: center;
    margin-bottom: 8px;
    font-weight: 600;
    color: #856404;
}

.tips-icon {
    margin-right: 8px;
    font-size: 18px;
}

.tips-content p {
    margin: 0;
    font-size: 14px;
    color: #856404;
}

.browser-tips {
    display: flex;
    align-items: center;
    justify-content: center;
    background: #d4edda;
    border: 1px solid #c3e6cb;
    border-radius: 12px;
    padding: 12px;
    margin-bottom: 25px;
    color: #155724;
}

.browser-tips .tips-icon {
    margin-right: 10px;
    font-size: 20px;
}

.browser-tips p {
    margin: 0;
    font-size: 14px;
}

/* 特性部分 */
.features {
    margin-top: 25px;
    text-align: left;
}

.features h2 {
    text-align: center;
    margin-bottom: 20px;
    font-size: 20px;
    color: #333;
}

.feature-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.feature-item {
    background: #f8f9fa;
    border-radius: 12px;
    padding: 15px;
    text-align: center;
    transition: transform 0.2s ease;
}

.feature-item:hover {
    transform: translateY(-3px);
    background: #e9ecef;
}

.feature-icon {
    font-size: 24px;
    margin-bottom: 8px;
}

.feature-title {
    font-weight: 600;
    margin-bottom: 5px;
    font-size: 14px;
}

.feature-desc {
    font-size: 12px;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 480px) {
    .card {
        padding: 20px;
    }
    
    .app-icon {
        width: 80px;
        height: 80px;
    }
    
    .app-name {
        font-size: 24px;
    }
    
    .app-description {
        font-size: 14px;
    }
    
    .feature-grid {
        grid-template-columns: 1fr;
    }
    
    .download-btn {
        padding: 14px 30px;
        font-size: 16px;
    }
}