/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-dark) 100%);
    padding: 160px 5% 80px;
    text-align: center;
    color: white;
    position: relative;
    overflow: hidden;
}

.page-header::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: url('data:image/svg+xml,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100"><defs><pattern id="grid" width="10" height="10" patternUnits="userSpaceOnUse"><path d="M 10 0 L 0 0 0 10" fill="none" stroke="rgba(255,255,255,0.1)" stroke-width="0.5"/></pattern></defs><rect width="100" height="100" fill="url(%23grid)"/></svg>');
    opacity: 0.3;
}

.page-title {
    font-size: 3.5rem;
    font-weight: 800;
    margin-bottom: 20px;
    position: relative;
}

.page-subtitle {
    font-size: 1.2rem;
    max-width: 800px;
    margin: 0 auto;
    opacity: 0.9;
    line-height: 1.6;
}

/* 内容区块 */
.section {
    padding: 80px 5%;
}

.section-light {
    background: white;
}

.section-dark {
    background: var(--dark);
    color: white;
}

.section-gray {
    background: #f8fafc;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
}

.section-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-align: center;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 4px;
    background: var(--gradient);
    border-radius: 2px;
}

.section-subtitle {
    font-size: 1.2rem;
    color: var(--gray);
    text-align: center;
    max-width: 800px;
    margin: 0 auto 60px;
    line-height: 1.6;
}

.section-dark .section-subtitle {
    color: var(--light-gray);
}

/* 公司简介 */
.company-intro {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 60px;
    align-items: center;
}

.company-content {
    display: flex;
    flex-direction: column;
    gap: 24px;
}

.company-title {
    font-size: 2rem;
    font-weight: 700;
    color: var(--dark);
}

.company-desc {
    font-size: 1.1rem;
    color: var(--gray);
    line-height: 1.7;
}

.advantage-matrix {
    background: white;
    border-radius: 16px;
    padding: 30px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
}

.matrix-title {
    font-size: 1.3rem;
    font-weight: 600;
    margin-bottom: 20px;
    color: var(--dark);
    text-align: center;
}

.matrix-table {
    width: 100%;
    border-collapse: collapse;
}

.matrix-table th, .matrix-table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid var(--light-gray);
}
.matrix-nowrap{white-space: nowrap}
.matrix-table th {
    background: var(--light);
    font-weight: 600;
}

.matrix-table tr:last-child td {
    border-bottom: none;
}

/* 核心功能 */
.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    margin-top: 40px;
}

.feature-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    border-top: 4px solid var(--primary);
}

.feature-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.feature-icon {
    width: 64px;
    height: 64px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(29, 78, 216, 0.1));
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 24px;
}

.feature-icon i {
    font-size: 28px;
    color: var(--primary);
}

.feature-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--dark);
}

.feature-desc {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.feature-stats {
    display: flex;
    gap: 20px;
    margin-top: 20px;
}

.stat-item {
    display: flex;
    flex-direction: column;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--gray);
}

/* 差异化竞争力 */
.competitive-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.competitive-card {
    background: rgba(255, 255, 255, 0.05);
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    transition: all 0.3s ease;
}

.competitive-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-5px);
}

.competitive-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 24px;
}

.competitive-icon i {
    font-size: 36px;
    color: var(--primary-light);
}

.competitive-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: white;
}

.competitive-desc {
    color: var(--light-gray);
    line-height: 1.6;
}

/* 案例展示 */
.cases-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
}

.case-card {
    background: white;
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.case-header {
    padding: 30px 30px 20px;
    border-bottom: 1px solid var(--light-gray);
}

.case-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: var(--dark);
}

.case-subtitle {
    color: var(--primary);
    font-weight: 500;
}

.case-content {
    padding: 30px;
}

.case-desc {
    color: var(--gray);
    line-height: 1.6;
    margin-bottom: 20px;
}

.case-stats {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
}

.case-stat {
    text-align: center;
    padding: 15px;
    background: var(--light);
    border-radius: 8px;
}

.case-stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary);
    line-height: 1;
    margin-bottom: 5px;
}

.case-stat-label {
    font-size: 0.9rem;
    color: var(--gray);
}

/* 合作价值 */
.value-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 40px;
}

.value-card {
    background: white;
    border-radius: 16px;
    padding: 40px;
    text-align: center;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
}

.value-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.value-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(29, 78, 216, 0.1));
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 24px;
}

.value-icon i {
    font-size: 36px;
    color: var(--primary);
}

.value-title {
    font-size: 1.5rem;
    font-weight: 600;
    margin-bottom: 16px;
    color: var(--dark);
}

.value-desc {
    color: var(--gray);
    line-height: 1.6;
}

/* CTA部分 */
.cta-section {
    background: linear-gradient(135deg, var(--primary-light) 0%, var(--primary-dark) 100%);
    padding: 80px 5%;
    text-align: center;
    color: white;
    border-radius: 20px;
    margin: 80px 5%;
}

.cta-title {
    font-size: 2.5rem;
    font-weight: 700;
    margin-bottom: 20px;
}

.cta-text {
    font-size: 1.1rem;
    margin-bottom: 40px;
    opacity: 0.9;
    line-height: 1.6;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-buttons {
    display: flex;
    gap: 20px;
    justify-content: center;
}

.btn {
    padding: 16px 32px;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    font-size: 1rem;
}

.btn-primary {
    background: white;
    color: var(--primary);
    box-shadow: 0 4px 20px rgba(255, 255, 255, 0.3);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 255, 255, 0.4);
}

.btn-secondary {
    background: transparent;
    color: white;
    border: 2px solid white;
}

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


/* 响应式设计 */
@media (max-width: 1024px) {
    .company-intro {
        grid-template-columns: 1fr;
        gap: 40px;
    }
    
    .footer-container {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .nav-links {
        display: none;
    }
    
    .page-title {
        font-size: 2.5rem;
    }
    
    .section-title {
        font-size: 2rem;
    }
    
    .features-grid,
    .competitive-grid,
    .cases-grid,
    .value-grid {
        grid-template-columns: 1fr;
    }
    
    .cta-buttons {
        flex-direction: column;
    }
    
    .footer-container {
        grid-template-columns: 1fr;
        gap: 30px;
    }
}

@media (max-width: 480px) {
    .page-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .feature-card,
    .competitive-card,
    .case-card,
    .value-card {
        padding: 30px;
    }
}