/* 基础样式重置 */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

/* 全局样式 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    line-height: 1.6;
    color: #333;
    background: linear-gradient(135deg, #f5f7fa 0%, #c3cfe2 100%);
    min-height: 100vh;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 1.2rem;
    background: white;
    box-shadow: 0 0 50px rgba(0, 0, 0, 0.1);
}

/* 顶部区域 */
.header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1.2rem;
    padding-bottom: 1.2rem;
    border-bottom: 1px solid #eee;
}





.logo {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.logo h1 {
    font-size: 2rem;
    font-weight: 700;
    color: #2d3748;
    margin: 0;
}

.version {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

/* 英雄区域 */
.hero {
    text-align: center;
    margin-bottom: 2.5rem;
}

.hero h2 {
    font-size: 2rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.8rem;
    line-height: 1.2;
}

.subtitle {
    font-size: 1.2rem;
    color: #718096;
    font-weight: 400;
}

/* 区域标题 */
h3 {
    font-size: 1.4rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 1.2rem;
    text-align: center;
}

/* 特性区域 */
.features {
    margin-bottom: 2rem;
}

.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.2rem;
}

.feature-card {
    background: white;
    padding: 1.2rem;
    border-radius: 16px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.08);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #f7fafc;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    font-size: 2.2rem;
    margin-bottom: 0.6rem;
    display: block;
}

.feature-card h4 {
    font-size: 1.2rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.6rem;
}

.feature-card p {
    color: #718096;
    font-size: 0.9rem;
    line-height: 1.5;
}

/* 技术栈区域 */
.tech-stack {
    margin-bottom: 2rem;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.2rem;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1rem;
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #f7fafc;
}

.tech-item:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.tech-icon {
    font-size: 1.6rem;
    font-weight: 700;
    color: #667eea;
    margin-bottom: 0.6rem;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.tech-item span {
    color: #4a5568;
    font-size: 0.95rem;
    text-align: center;
    font-weight: 500;
}

/* API区域 */
.api-section {
    margin-bottom: 2rem;
}

.api-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.2rem;
}

.api-card {
    background: white;
    padding: 1.4rem;
    border-radius: 12px;
    box-shadow: 0 2px 10px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
    border: 1px solid #f7fafc;
}

.api-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
}

.api-card h4 {
    font-size: 1.1rem;
    font-weight: 600;
    color: #2d3748;
    margin-bottom: 0.6rem;
}

.api-link {
    display: inline-block;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    padding: 0.4rem 0.8rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    font-size: 0.9rem;
    margin-bottom: 0.6rem;
    transition: all 0.3s ease;
}

.api-link:hover {
    transform: translateY(-1px);
    box-shadow: 0 4px 12px rgba(102, 126, 234, 0.4);
}

.api-card p {
    color: #718096;
    font-size: 0.95rem;
    margin: 0;
}

/* 页脚 */
.footer {
    margin-top: 2rem;
    padding-top: 1.2rem;
    border-top: 1px solid #eee;
    text-align: center;
}

.copyright {
    color: #a0aec0;
    font-size: 0.9rem;
    margin-bottom: 0.8rem;
}

/* 51la统计显示 */
.stats-widget {
    margin-top: 0.5rem;
    padding: 0.5rem;
    display: flex;
    justify-content: center;
    align-items: center;
}

.stats-widget iframe {
    border: none;
    border-radius: 8px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.06);
}

.contact-link {
    color: #667eea;
    text-decoration: none;
    font-weight: 600;
    transition: color 0.3s ease;
}

.contact-link:hover {
    color: #764ba2;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .container {
        padding: 1rem;
    }
    
    .hero h2 {
        font-size: 2rem;
    }
    
    .subtitle {
        font-size: 1rem;
    }
    
    .header {
        flex-direction: column;
        gap: 1rem;
        text-align: center;
    }
    
    .feature-grid,
    .tech-grid,
    .api-grid {
        grid-template-columns: 1fr;
    }
    
    .logo h1 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .hero h2 {
        font-size: 1.8rem;
    }
    
    .feature-card,
    .api-card {
        padding: 1.5rem;
    }
    
    .tech-item {
        padding: 1rem;
    }
}

/* 台湾28专用样式 */
.taiwan28-section {
    position: relative;
    margin-top: 1.5rem;
}

.taiwan28-section::before {
    content: '';
    position: absolute;
    top: -0.75rem;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 2px;
    background: linear-gradient(135deg, #667eea 0%, #8b5cf6 100%);
    border-radius: 1px;
}

.taiwan28-section h3 {
    color: #2d3748;
    position: relative;
}

.taiwan28-section h3::after {
    content: "🇹🇼";
    margin-left: 0.5rem;
    font-size: 1rem;
}