:root {
        --primary: #4361ee;
        --primary-light: #4895ef;
        --secondary: #3a0ca3;
        --accent: #f72585;
        --success: #4cc9f0;
        --dark: #1a1a2e;
        --light: #f8f9ff;
        --gray: #6c757d;
        --gray-light: #e9ecef;
        --border-radius: 16px;
        --shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
        --shadow-hover: 0 20px 50px rgba(0, 0, 0, 0.12);
        --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }
    
    * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
    }
    
    body {
        font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        background: linear-gradient(135deg, #f5f7ff 0%, #e3e9ff 100%);
        color: #333;
        line-height: 1.6;
        min-height: 100vh;
        padding-bottom: 60px;
    }
    
    /* 汉堡菜单样式 */
.hamburger-header {position:fixed;top:0;left:0;right:0;height:50px;background:#fff;box-shadow:0 1px 5px rgba(0,0,0,0.1);z-index:999;display:flex;align-items:center;padding:0 15px;}
.hamburger-btn {width:30px;height:30px;display:flex;flex-direction:column;justify-content:center;gap:5px;cursor:pointer;}
.hamburger-btn span {display:block;height:3px;background:#333;border-radius:3px;transition:all 0.3s;}
.hamburger-menu {position:fixed;top:50px;left:-100%;width:80%;max-width:300px;height:calc(100vh - 50px);background:#fff;box-shadow:2px 0 10px rgba(0,0,0,0.1);transition:left 0.3s;z-index:998;padding:20px 0;}
.hamburger-menu.active {left:0;}
.hamburger-menu a {display:block;padding:12px 20px;color:#333;text-decoration:none;font-size:15px;border-bottom:1px solid #f5f5f5;}
.hamburger-menu a:hover {background:#f8f9fa;color:#007bff;}
.body-wrap {margin-top:50px;}

   /* 面包屑导航 */
        .breadcrumb {
            padding: 12px 15px;
            font-size: 14px;
            color: #666;
            background: #fff;
            border-bottom: 1px solid #eee;
            margin-top: 50px; /* 精准贴合，无多余空隙 */
            position: relative;
            z-index: 9;
            width: 100%;
        }
        .breadcrumb a {
            color: #667eea;
            text-decoration: none;
        }
        .breadcrumb span {
            margin: 0 8px;
            color: #999;
        }
        .breadcrumb .current {
            color: #333;
        }
        
    /* 主体内容 */
    .container {
        max-width: 1200px;
        margin: 0 auto;
        padding: 30px 20px;
    }
    
    /* 应用详情卡片 */
    .app-card {
        background: white;
        border-radius: 24px;
        overflow: hidden;
        box-shadow: var(--shadow);
        margin-bottom: 30px;
        transition: var(--transition);
    }
    
    .app-card:hover {
        box-shadow: var(--shadow-hover);
    }
    
    /* 应用头部 */
    .app-header {
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        padding: 50px 40px 30px;
        position: relative;
        overflow: hidden;
    }
    
    .app-header::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 300px;
        height: 300px;
        background: rgba(255, 255, 255, 0.1);
        border-radius: 50%;
    }
    
    .app-header-content {
        display: flex;
        align-items: center;
        gap: 30px;
        position: relative;
        z-index: 1;
    }
    
    .app-logo {
        width: 140px;
        height: 140px;
        border-radius: 24px;
        overflow: hidden;
        border: 4px solid rgba(255, 255, 255, 0.2);
        box-shadow: 0 15px 35px rgba(0, 0, 0, 0.2);
        flex-shrink: 0;
    }
    
    .app-logo img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .app-info {
        flex: 1;
        color: white;
    }
    
    .app-title {
        font-size: 36px;
        font-weight: 700;
        margin-bottom: 10px;
    }
    
    .app-subtitle {
        font-size: 18px;
        opacity: 0.9;
        margin-bottom: 20px;
    }
    
    .app-stats {
        display: flex;
        gap: 30px;
        flex-wrap: wrap;
    }
    
    .stat-item {
        display: flex;
        align-items: center;
        gap: 8px;
    }
    
    .stat-icon {
        width: 40px;
        height: 40px;
        background: rgba(255, 255, 255, 0.2);
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    
    .stat-text {
        display: flex;
        flex-direction: column;
    }
    
    .stat-value {
        font-size: 20px;
        font-weight: 700;
    }
    
    .stat-label {
        font-size: 13px;
        opacity: 0.8;
    }
    
    /* 应用主体 */
    .app-body {
        padding: 40px;
    }
    
    .section {
        margin-bottom: 40px;
    }
    
    .section-title {
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 25px;
        padding-left: 15px;
        position: relative;
        color: var(--dark);
    }
    
    .section-title::before {
        content: '';
        position: absolute;
        left: 0;
        top: 5px;
        bottom: 5px;
        width: 5px;
        background: linear-gradient(to bottom, var(--primary), var(--success));
        border-radius: 5px;
    }
    
    /* 信息网格 */
    .info-grid {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
        gap: 20px;
    }
    
    .info-item {
        background: var(--light);
        padding: 20px;
        border-radius: 16px;
        transition: var(--transition);
    }
    
    .info-item:hover {
        transform: translateY(-5px);
        box-shadow: 0 10px 20px rgba(0, 0, 0, 0.1);
    }
    
    .info-label {
        font-size: 13px;
        color: var(--gray);
        font-weight: 600;
        text-transform: uppercase;
        letter-spacing: 0.5px;
        margin-bottom: 8px;
    }
    
    .info-value {
        font-size: 16px;
        font-weight: 600;
        color: var(--dark);
    }
    
    /* 标签样式 */
    .tags-container {
        display: flex;
        flex-wrap: wrap;
        gap: 10px;
    }
    
    .tag {
        padding: 8px 16px;
        border-radius: 20px;
        font-size: 13px;
        font-weight: 600;
        transition: var(--transition);
    }
    
    .tag-primary {
        background: rgba(67, 97, 238, 0.1);
        color: var(--primary);
    }
    
    .tag-success {
        background: rgba(76, 201, 240, 0.1);
        color: var(--success);
    }
    
    .tag-accent {
        background: rgba(247, 37, 133, 0.1);
        color: var(--accent);
    }
    
    .tag:hover {
        transform: translateY(-2px);
    }
    
    /* 描述区域 */
    .description-box {
        background: var(--light);
        padding: 30px;
        border-radius: 20px;
        border-left: 5px solid var(--primary);
        font-size: 16px;
        line-height: 1.8;
        color: var(--dark);
    }
    
    /* 下载按钮 */
    .download-section {
        text-align: center;
        padding: 40px 0 20px;
    }
    
    .download-btn {
        display: inline-flex;
        align-items: center;
        gap: 12px;
        background: linear-gradient(135deg, var(--primary), var(--primary-light));
        color: white;
        border: none;
        padding: 20px 50px;
        font-size: 18px;
        font-weight: 600;
        border-radius: 16px;
        cursor: pointer;
        transition: var(--transition);
        text-decoration: none;
        box-shadow: 0 10px 30px rgba(67, 97, 238, 0.3);
    }
    
    .download-btn:hover {
        transform: translateY(-5px) scale(1.05);
        box-shadow: 0 20px 40px rgba(67, 97, 238, 0.4);
        color: white;
    }
    
    /* 相关推荐 */
    .recommendations {
        background: white;
        border-radius: 24px;
        padding: 40px;
        box-shadow: var(--shadow);
    }
    
    .rec-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
        gap: 20px;
    }
    
    .rec-item {
        background: var(--light);
        border-radius: 16px;
        padding: 20px;
        text-align: center;
        transition: var(--transition);
        text-decoration: none;
        color: inherit;
    }
    
    .rec-item:hover {
        transform: translateY(-8px);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
    }
    
    .rec-logo {
        width: 60px;
        height: 60px;
        border-radius: 12px;
        margin: 0 auto 15px;
        overflow: hidden;
    }
    
    .rec-logo img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    
    .rec-name {
        font-weight: 600;
        margin-bottom: 8px;
        font-size: 15px;
    }
    
    .rec-rating {
        color: #ffb300;
        font-size: 13px;
    }
    
    /* 返回按钮 */
    .back-home {
        text-align: center;
        margin-top: 30px;
    }
    
    .back-home-link {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: var(--primary);
        text-decoration: none;
        font-weight: 500;
        padding: 12px 24px;
        border-radius: 12px;
        background: rgba(67, 97, 238, 0.1);
        transition: var(--transition);
    }
    
    .back-home-link:hover {
        background: rgba(67, 97, 238, 0.2);
        color: var(--primary);
    }
    
      /*底部*/
    .footer {
        position:fixed;             
        bottom:0;
        left:0;
        right:0;
        background:#fff;
        padding:10px;
        text-align:center;
        font-size:11px;
        color:#aaa;
        border-top:1px solid #eee
      }
    
    /* 响应式设计 */
    @media (max-width: 768px) {
        .app-header-content {
            flex-direction: column;
            text-align: center;
        }
        
        .app-logo {
            width: 120px;
            height: 120px;
        }
        
        .app-title {
            font-size: 28px;
        }
        
        .app-stats {
            justify-content: center;
        }
        
        .rec-list {
            grid-template-columns: repeat(2, 1fr);
        }
        
        .top-nav {
            padding: 0 15px;
            height: 60px;
        }
        
        .nav-links {
            gap: 15px;
        }
        
        .logo-img {
            height: 30px;
        }
        
        .logo-text {
            font-size: 20px;
        }
    }
    
   @media (max-width: 480px) {
    .app-header {
        padding: 30px 20px;
    }
    
    .app-body {
        padding: 20px;
    }
    
    .info-grid {
        grid-template-columns: 1fr;
    }
    
     .rec-list {
            grid-template-columns: repeat(2, 1fr);  /* 两列显示 */
            gap: 12px;                              /* 适当间距 */
        }
        
        .rec-item {
            padding: 16px 12px;                     /* 微调内边距 */
        }
        
        .rec-logo {
            width: 50px;
            height: 50px;
            margin-bottom: 10px;
        }
        
        .rec-name {
            font-size: 13px;
        }
        
        .rec-rating {
            font-size: 12px;
        }
    
    .download-btn {
        width: 100%;
        justify-content: center;
    }
    
    .logo-text {
        display: none;
    }
}