/* JoeFun.cc 全局样式文件 */

* {
    box-sizing: border-box;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    line-height: 1.6;
    margin: 0;
    padding: 0;
    -webkit-font-smoothing: antialiased;
    -moz-osx-font-smoothing: grayscale;
    background: #f8f9fa;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
    padding: 0 24px;
}

.app-back-link {
    position: fixed;
    top: clamp(16px, 4vw, 28px);
    left: clamp(16px, 4vw, 28px);
    z-index: 1200;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.92);
    border: 1px solid rgba(0, 0, 0, 0.08);
    color: #2c3e50;
    font-weight: 600;
    text-decoration: none;
    box-shadow: 0 10px 24px rgba(0, 0, 0, 0.12);
    transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease, color 0.2s ease;
}

.app-back-link:hover {
    background: rgba(255, 255, 255, 0.98);
    color: #1a237e;
    transform: translateY(-2px);
    box-shadow: 0 16px 32px rgba(0, 0, 0, 0.16);
}

@media (max-width: 768px) {
    .app-back-link {
        padding: 9px 16px;
        font-size: 0.95rem;
    }
}

/* PC端专用样式 */
@media (min-width: 1024px) {
    body {
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        background-attachment: fixed;
        min-height: 100vh;
    }
    
    .container {
        max-width: 1600px;
        padding: 0 40px;
    }
    
    /* PC端导航栏 */
    .nav {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 24px;
        padding: 16px 0;
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(10px);
        border-radius: 50px;
        margin: 20px auto;
        max-width: 800px;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
    }
    
    .nav a {
        padding: 12px 20px;
        border-radius: 25px;
        color: #333;
        text-decoration: none;
        font-weight: 500;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    
    .nav a:hover {
        background: linear-gradient(45deg, #667eea, #764ba2);
        color: white;
        transform: translateY(-2px);
        box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
    }
    
    .nav a:before {
        content: '';
        position: absolute;
        top: 0;
        left: -100%;
        width: 100%;
        height: 100%;
        background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
        transition: left 0.5s;
    }
    
    .nav a:hover:before {
        left: 100%;
    }
    
    /* PC端卡片样式 */
    .card {
        background: rgba(255, 255, 255, 0.95);
        backdrop-filter: blur(20px);
        border-radius: 16px;
        padding: 32px;
        margin: 24px 0;
        box-shadow: 0 8px 32px rgba(0, 0, 0, 0.1);
        border: 1px solid rgba(255, 255, 255, 0.2);
        transition: all 0.3s ease;
    }
    
    .card:hover {
        transform: translateY(-8px);
        box-shadow: 0 16px 48px rgba(0, 0, 0, 0.15);
    }
    
    /* PC端网格布局 */
    .grid-2 {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 32px;
        align-items: start;
    }
    
    .grid-3 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 32px;
        align-items: start;
    }
    
    .grid-4 {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 24px;
        align-items: start;
    }
}

/* 响应式设计 */
@media (max-width: 1024px) {
    .container {
        padding: 0 15px;
    }
}

@media (max-width: 768px) {
    .container {
        padding: 0 15px;
    }
    
    .header h1 {
        font-size: 2em !important;
    }
    
    .nav {
        flex-direction: column !important;
        align-items: center !important;
    }
    
    .nav a {
        display: block !important;
        margin: 8px 0 !important;
        text-align: center !important;
        min-width: 120px !important;
    }
    
    .team-member {
        flex-direction: column !important;
        text-align: center !important;
    }
    
    .avatar {
        margin: 0 0 15px 0 !important;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 10px;
    }
    
    .header h1 {
        font-size: 1.8em !important;
    }
    
    .nav a {
        font-size: 13px !important;
        padding: 10px 16px !important;
        min-width: 100px !important;
    }
    
    .card {
        padding: 15px !important;
        margin: 12px 0 !important;
    }
    
    .card h2 {
        font-size: 1.2rem !important;
    }
    
    .card h3 {
        font-size: 1rem !important;
    }
    
    .card p, .card li {
        font-size: 0.9rem !important;
        line-height: 1.5 !important;
    }
}

@media (max-width: 320px) {
    .nav a {
        width: 100% !important;
        max-width: 200px !important;
    }
}

/* 触摸设备优化 */
@media (hover: none) and (pointer: coarse) {
    .nav a, .btn {
        min-height: 44px !important;
        display: flex !important;
        align-items: center !important;
        justify-content: center !important;
    }
}

/* 动画效果 */
.card {
    transition: transform 0.3s ease;
}

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

/* 按钮样式 */
.btn {
    display: inline-block;
    padding: 12px 24px;
    background: linear-gradient(45deg, #667eea, #764ba2);
    color: white;
    text-decoration: none;
    border-radius: 25px;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    font-weight: 600;
    -webkit-appearance: none;
    appearance: none;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 15px rgba(0,0,0,0.2);
}

.btn:active {
    transform: translateY(0);
}

/* 代码块样式 */
pre {
    background: #f4f4f4;
    padding: 15px;
    border-radius: 5px;
    overflow-x: auto;
    border-left: 4px solid #667eea;
    font-size: 14px;
}

code {
    background: #f4f4f4;
    padding: 2px 5px;
    border-radius: 3px;
    font-family: 'SF Mono', Monaco, 'Cascadia Code', 'Roboto Mono', Consolas, 'Courier New', monospace;
    font-size: 0.9em;
}

/* 表单元素优化 */
input, textarea, select {
    font-family: inherit;
    -webkit-appearance: none;
    appearance: none;
}

/* iOS Safari 输入框缩放修复 */
input[type="text"], 
input[type="email"], 
input[type="password"], 
input[type="tel"], 
input[type="url"], 
input[type="search"], 
textarea {
    font-size: 16px; /* 防止iOS Safari缩放 */
}

/* 高分辨率显示器优化 */
@media (-webkit-min-device-pixel-ratio: 2), (min-resolution: 192dpi) {
    .card {
        box-shadow: 0 10px 30px rgba(0,0,0,0.15);
    }
}

/* 深色主题支持 */
@media (prefers-color-scheme: dark) {
    /* 可以在这里添加深色主题样式 */
}

/* 减少动画的无障碍支持 */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        animation-iteration-count: 1 !important;
        transition-duration: 0.01ms !important;
    }
}