/*
Theme Name: 英语学习工具导航
Theme URI: https://www.quganhuo123.com/
Author: 小小
Author URI: https://wwww.quganhuo123.com/
Description: 专为英语学习者设计的工具导航主题
Version: 1.0
License: GPL v2 or later
Text Domain: my-custom-theme
*/
:root {
            --bg-color: #f5f5f7;
            --text-color: #1d1d1f;
            --card-gray: #f2f2f2;
            --accent-color: #0066cc;
            --space-unit: 16px;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
            background-color: var(--bg-color);
            color: var(--text-color);
            margin: 0;
            padding: 0;
            line-height: 1.6;
            -webkit-text-size-adjust: 100%;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 var(--space-unit);
        }
        
        header {
            padding: calc(var(--space-unit) * 2) 0 var(--space-unit);
            text-align: center;
        }
        
        h1 {
            font-size: clamp(1.8rem, 5vw, 2.5rem);
            font-weight: 600;
            margin-bottom: var(--space-unit);
        }
        
        .intro {
            font-size: clamp(1rem, 3vw, 1.2rem);
            max-width: 800px;
            margin: 0 auto calc(var(--space-unit) * 1.5);
            padding: 0 var(--space-unit);
        }
        
        .promo {
            background: linear-gradient(90deg, #ff2d55, #ff9500, #ffcc00, #34c759, #5ac8fa, #007aff, #5856d6, #af52de);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            font-weight: 600;
            font-size: clamp(1.1rem, 3.5vw, 1.3rem);
            margin: var(--space-unit) 0;
            cursor: pointer;
            transition: transform 0.2s;
            display: inline-block;
            padding: 0 8px;
        }
        
        .promo:hover {
            transform: scale(1.05);
        }
        
        .category {
            margin-bottom: var(--space-unit);
            background-color: white;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.05);
        }
        
        .category-header {
            padding: 12px calc(var(--space-unit) * 1.5);
            background-color: var(--card-gray);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            user-select: none;
            -webkit-tap-highlight-color: transparent;
        }
        
        .category-header h2 {
            margin: 0;
            font-size: clamp(1.2rem, 4vw, 1.4rem);
            font-weight: 500;
        }
        
        .category-header .toggle {
            font-size: 1.2rem;
            transition: transform 0.3s;
        }
        
        .category-content {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--space-unit);
            padding: var(--space-unit);
            transition: all 0.3s ease;
        }
        
        .category.collapsed .category-content {
            display: none;
        }
        
        .category.collapsed .toggle {
            transform: rotate(-90deg);
        }
        
        .tool-card {
            background-color: var(--card-gray);
            border-radius: 8px;
            padding: 12px;
            text-align: center;
            transition: all 0.2s ease;
            cursor: pointer;
            text-decoration: none;
            color: inherit;
            -webkit-tap-highlight-color: transparent;
            min-height: 80px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        
        .tool-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 6px 12px rgba(0, 0, 0, 0.1);
        }
        
        .tool-card h3 {
            margin: 8px 0;
            font-size: clamp(0.9rem, 3vw, 1rem);
            font-weight: 500;
        }
        
        .tool-card p {
            margin: 0;
            font-size: clamp(0.8rem, 2.5vw, 0.9rem);
            color: #666;
        }
        
      

        /* 自定义卡片颜色类 */
        .tool-card.color1 { background-color: #fce4e6; } /* 浅粉色 */
        .tool-card.color2 { background-color: #e3f2fd; } /* 浅蓝色 */
        .tool-card.color3 { background-color: #e8f5e9; } /* 浅绿色 */
        .tool-card.color4 { background-color: #fff8e1; } /* 浅黄色 */
        .tool-card.color5 { background-color: #f3e5f5; } /* 浅紫色 */
        .tool-card.color6 { background-color: #e0f7fa; } /* 浅青色 */
        .tool-card.color7 { background-color: #efebe9; } /* 浅灰色 */
        .tool-card.color8 { background-color: #e8eaf6; } /* 浅天蓝色 */

        
        .footer-actions {
              text-align: center;
              margin: 30px 0;
              padding: 0 16px;
            }

            .footer-hint {
              color: #888;
              margin-bottom: 12px;
            }

            .error-report-button {
              display: inline-block;
              background-color: #4CAF50; /* 绿色 */
              color: white;
              padding: 8px 20px;
              border-radius: 4px;
              text-decoration: none;
              font-weight: 500;
              transition: background-color 0.3s;
            }

            .error-report-button:hover {
              background-color: #45a049; /* 深绿色悬停效果 */
            }

            /* 页脚样式 */
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            color: #808080;
            opacity: 0.8;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .beian-info {
            text-align: center;
            margin: 10px 0;
            font-size: 14px;
        }

        .beian-info img {
            vertical-align: middle;
        }

        .beian-info a {
            color: #333;
            text-decoration: none;
        }

        .beian-info a:hover {
            text-decoration: underline;
        }

        footer {
            text-align: center;
            padding: calc(var(--space-unit) * 2) 0;
            color: #888;
            font-size: 0.9rem;
        }
        
        /* 响应式调整 */
        @media (max-width: 900px) {
            .category-content {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        
        @media (max-width: 768px) {
            .category-content {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
                padding: 12px;
            }
            
            .category-header {
                padding: 12px;
            }
            
            .tool-card {
                min-height: 70px;
                padding: 10px;
            }
        }
        
        @media (max-width: 480px) {
            .category-content {
                grid-template-columns: 1fr;
            }
            
            header {
                padding: var(--space-unit) 0;
            }
            
            .container {
                padding: 0 12px;
            }
        }
        
        /* 触摸设备优化 */
        @media (hover: none) {
            .tool-card:hover {
                transform: none;
                box-shadow: none;
            }
            
            .promo:hover {
                transform: none;
            }
        }