/* styles.css - 公共样式文件 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
    font-family: 'Segoe UI', 'Microsoft YaHei', sans-serif;
}

body {
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
    padding: 40px 20px;
    color: #333;
    line-height: 1.6;
}

.container {
    max-width: 1000px;
    margin: 0 auto;
}

/* 标题样式 */
.page-title {
    font-size: 2.8rem;
    color: #2c3e50;
    margin-bottom: 10px;
    background: linear-gradient(90deg, #6a11cb 0%, #2575fc 100%);
    -webkit-background-clip: text;
    background-clip: text;
    color: transparent;
    text-shadow: 0 2px 4px rgba(0,0,0,0.1);
    text-align: center;
}

.page-subtitle {
    font-size: 1.2rem;
    color: #7f8c8d;
    max-width: 600px;
    margin: 0 auto 50px;
    text-align: center;
}

/* 应用网格布局 */
.apps-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 30px;
    margin-bottom: 50px;
}

/* 应用卡片 */
.app-card {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    height: 100%;
    border: 1px solid rgba(255, 255, 255, 0.2);
}

.app-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.app-icon {
    font-size: 2.5rem;
    margin-bottom: 20px;
}

.app-title {
    font-size: 1.6rem;
    color: #2c3e50;
    margin-bottom: 15px;
    font-weight: 700;
}

.app-description {
    color: #555;
    margin-bottom: 25px;
    flex-grow: 1;
    font-size: 1rem;
}

/* 按钮样式 - 这才是重点！ */
.app-button {
    display: inline-block;
    padding: 14px 28px;
    background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
    color: white;
    text-decoration: none;
    border-radius: 10px;
    font-weight: 700;
    text-align: center;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
    letter-spacing: 0.5px;
    box-shadow: 0 4px 15px rgba(37, 117, 252, 0.3);
    width: 100%;
}

.app-button:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(37, 117, 252, 0.4);
    background: linear-gradient(135deg, #5a0cb9 0%, #1c68f0 100%);
}

.app-button:active {
    transform: translateY(-1px);
}

/* 功能列表 */
.feature-list {
    list-style: none;
    margin: 15px 0 25px;
}

.feature-list li {
    padding: 5px 0;
    padding-left: 24px;
    position: relative;
}

.feature-list li:before {
    content: "✓";
    position: absolute;
    left: 0;
    color: #2575fc;
    font-weight: bold;
}

/* 页脚 */
.page-footer {
    text-align: center;
    margin-top: 60px;
    padding-top: 30px;
    border-top: 1px solid rgba(0, 0, 0, 0.1);
    color: #7f8c8d;
    font-size: 0.9rem;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .apps-grid {
        grid-template-columns: 1fr;
    }
    
    .page-title {
        font-size: 2.2rem;
    }
    
    .app-card {
        padding: 25px;
    }
}

@media (max-width: 480px) {
    body {
        padding: 20px 15px;
    }
    
    .page-title {
        font-size: 1.8rem;
    }
    
    .app-button {
        padding: 12px 24px;
    }
}