/* 关于页特有样式 - About Page Styles */

/* 关于页特殊变量 */
:root {
    --primary-color: #6366f1;
    --secondary-color: #8b5cf6;
    --accent-color: #f59e0b;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --dark-bg: #0f172a;
    --card-bg: #1e293b;
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --border-color: #334155;
    --gradient-primary: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    --gradient-secondary: linear-gradient(135deg, #f093fb 0%, #f5576c 100%);
    --shadow-sm: 0 1px 2px 0 rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    --shadow-xl: 0 20px 25px -5px rgba(0, 0, 0, 0.1);
}

/* 关于页特殊body样式 */
body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--dark-bg);
}

.container {
    max-width: 1200px;
    padding: 0 20px;
}

/* 关于页头部样式 */
.header {
    background: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border-color);
}

.logo-icon {
    background: var(--gradient-primary);
    box-shadow: var(--shadow-lg);
}

.logo-text h1 {
    font-size: 18px;
    font-weight: 700;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.back-btn {
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.back-btn:hover {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

/* 主要内容区域 */
.main-content {
    padding: 20px 0;
}

/* 英雄区域 */
.hero-section {
    background: var(--gradient-primary);
    border-radius: 24px;
    padding: 60px 20px;
    margin-bottom: 50px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.hero-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grain" width="100" height="100" patternUnits="userSpaceOnUse"><circle cx="25" cy="25" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="75" cy="75" r="1" fill="rgba(255,255,255,0.1)"/><circle cx="50" cy="10" r="0.5" fill="rgba(255,255,255,0.1)"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>');
    opacity: 0.3;
}

.hero-content {
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 15px;
    text-shadow: 0 2px 4px rgba(0,0,0,0.3);
}

.hero-subtitle {
    font-size: 18px;
    color: rgba(255,255,255,0.9);
    max-width: 600px;
    margin: 0 auto 30px;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 40px;
    flex-wrap: wrap;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-size: 28px;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 14px;
    opacity: 0.8;
}

/* 关于我们内容 */
.about-content {
    margin-bottom: 50px;
}

.about-section {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 30px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.about-section:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-xl);
    border-color: var(--primary-color);
}

.section-title {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 20px;
    background: var(--gradient-secondary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-content {
    font-size: 16px;
    color: var(--text-secondary);
    line-height: 1.8;
    margin-bottom: 20px;
}

.section-content p {
    margin-bottom: 15px;
}

/* 特色功能 */
.features-section {
    margin-bottom: 50px;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 25px;
    margin-bottom: 40px;
}

.feature-card {
    background: var(--card-bg);
    border-radius: 16px;
    padding: 30px;
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.feature-icon {
    width: 60px;
    height: 60px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    margin: 0 auto 20px;
    box-shadow: var(--shadow-lg);
}

.feature-title {
    font-size: 18px;
    font-weight: 600;
    margin-bottom: 15px;
    color: var(--text-primary);
}

.feature-desc {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.6;
}

/* 团队部分 */
.team-section {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    margin-bottom: 40px;
    border: 1px solid var(--border-color);
}

.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.team-member {
    text-align: center;
    padding: 20px;
    border-radius: 16px;
    background: rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
}

.team-member:hover {
    transform: translateY(-3px);
    background: rgba(255, 255, 255, 0.1);
}

.member-avatar {
    width: 80px;
    height: 80px;
    background: var(--gradient-secondary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 32px;
    margin: 0 auto 15px;
}

.member-name {
    font-size: 16px;
    font-weight: 600;
    margin-bottom: 8px;
    color: var(--text-primary);
}

.member-role {
    font-size: 14px;
    color: var(--text-secondary);
}

/* 联系信息 */
.contact-info {
    background: var(--card-bg);
    border-radius: 20px;
    padding: 40px;
    border: 1px solid var(--border-color);
}

.contact-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 25px;
    margin-top: 30px;
}

.contact-item {
    text-align: center;
    padding: 20px;
}

.contact-icon {
    width: 50px;
    height: 50px;
    background: var(--gradient-primary);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    margin: 0 auto 15px;
}

.contact-label {
    font-size: 14px;
    color: var(--text-secondary);
    margin-bottom: 8px;
}

.contact-value {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

/* 底部样式 */
.footer {
    background: var(--card-bg);
    border-top: 1px solid var(--border-color);
    padding: 30px 0;
    margin-top: 50px;
}

.footer-text {
    color: var(--text-secondary);
    font-size: 14px;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .hero-section {
        padding: 40px 20px;
    }
    
    .hero-title {
        font-size: 28px;
    }
    
    .hero-stats {
        gap: 25px;
    }
    
    .about-section {
        padding: 25px;
    }
    
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .team-grid {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .contact-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: 0 15px;
    }
    
    .hero-section {
        padding: 30px 15px;
    }
    
    .hero-title {
        font-size: 24px;
    }
    
    .about-section {
        padding: 20px;
    }
    
    .feature-card {
        padding: 20px;
    }
}