:root {
    --primary: #2563eb;
    --primary-dark: #1d4ed8;
    --secondary: #f59e0b;
    --dark: #1e293b;
    --light: #f8fafc;
    --gray: #64748b;
}

.philosophy-section {
    padding: 60px 0;
    background: #f8fafc;
}

.section-title {
    text-align: center;
    margin-bottom: 60px;
}

.section-title h2 {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 20px;
}

.section-title p {
    font-size: 1.2rem;
    color: var(--gray);
    max-width: 800px;
    margin: 0 auto;
}

.philosophy-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.philosophy-card {
    background: white;
    padding: 40px 30px;
    border-radius: 10px;
    text-align: center;
    box-shadow: 0 5px 15px rgba(0,0,0,0.05);
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.philosophy-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 25px rgba(0,0,0,0.1);
}

.philosophy-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 5px;
    background: var(--primary);
}

.philosophy-icon {
    width: 80px;
    height: 80px;
    background: rgba(37, 99, 235, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.5rem;
    color: var(--primary);
    transition: all 0.3s ease;
}

.philosophy-card:hover .philosophy-icon {
    background: var(--primary);
    color: white;
}

.philosophy-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: var(--primary);
}

.philosophy-card p {
    font-size: 1rem;
    color: var(--gray);
    margin-bottom: 20px;
    line-height: 1.6;
}

.philosophy-principles {
    list-style: none;
    text-align: left;
    margin-top: 20px;
}

.philosophy-principles li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 10px;
    color: var(--gray);
    font-size: 0.9rem;
    line-height: 1.5;
}

.philosophy-principles li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
    font-size: 1rem;
}

.value-section {
    padding: 80px 0;
    background: white;
}

.value-manifestation {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    margin-top: 40px;
}

.value-text h2 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 25px;
    color: var(--dark);
}

.value-text p {
    font-size: 1.1rem;
    color: var(--gray);
    margin-bottom: 25px;
    line-height: 1.6;
}

.value-highlights {
    list-style: none;
    margin-bottom: 30px;
}

.value-highlights li {
    position: relative;
    padding-left: 25px;
    margin-bottom: 12px;
    font-size: 1rem;
    color: var(--gray);
    line-height: 1.5;
}

.value-highlights li::before {
    content: '→';
    position: absolute;
    left: 0;
    color: var(--primary);
    font-weight: bold;
}

.value-image {
    text-align: center;
}

.value-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
    margin-top: 30px;
}

.value-stat {
    text-align: center;
    padding: 15px;
}

.value-stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary);
    display: block;
}

.value-stat-label {
    font-size: 0.9rem;
    color: var(--gray);
    margin-top: 8px;
}

.commitment-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #2563eb 0%, #1e40af 100%);
    color: white;
    text-align: center;
}

.commitment-content h2 {
    font-size: 2.5rem;
    margin-bottom: 25px;
}

.commitment-content p {
    font-size: 1.2rem;
    max-width: 900px;
    margin: 0 auto 50px;
    opacity: 0.9;
    line-height: 1.6;
}

.commitment-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
}

.commitment-card {
    padding: 40px 25px;
    background: rgba(255, 255, 255, 0.1);
    border-radius: 10px;
    transition: all 0.3s ease;
}

.commitment-card:hover {
    background: rgba(255, 255, 255, 0.2);
    transform: translateY(-5px);
}

.commitment-icon {
    font-size: 3.5rem;
    margin-bottom: 25px;
}

.commitment-card h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
}

.commitment-card p {
    font-size: 1rem;
    opacity: 0.9;
    line-height: 1.6;
}

/* 新增：公司起源部分 */
.origin-section {
    background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 100%);
    color: white;
    padding: 95px 0px 40px 0px;
    position: relative;
    overflow: hidden;
}

.origin-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
    position: relative;
    z-index: 1;
}

.origin-text h1 {
    font-size: 3rem;
    margin-bottom: 20px;
    line-height: 1.2;
}

.origin-text p {
    font-size: 1.1rem;
    margin-bottom: 25px;
    opacity: 0.9;
    line-height: 1.7;
}

.origin-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 40px;
}

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

.stat-number {
    font-size: 2.5rem;
    font-weight: 700;
    display: block;
}

.stat-label {
    font-size: 0.9rem;
    opacity: 0.8;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 20px;
}

.tech-item {
    background: rgba(255, 255, 255, 0.2);
    padding: 5px 12px;
    border-radius: 15px;
    font-size: 0.8rem;
}

.feature-highlight {
    background: rgba(245, 158, 11, 0.1);
    padding: 15px;
    border-radius: 5px;
    margin-top: 15px;
}

.feature-highlight h4 {
    color: var(--secondary);
    margin-bottom: 8px;
    font-size: 0.9rem;
}

.feature-list {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
    gap: 5px;
}

.feature-list li {
    font-size: 0.8rem;
    padding-left: 0;
}

.feature-list li::before {
    display: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .value-manifestation {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .philosophy-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title h2 {
        font-size: 2rem;
    }
    
    .commitment-content h2 {
        font-size: 2rem;
    }
    
    .origin-content {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .origin-text h1 {
        font-size: 2.2rem;
    }
}