/* 服务介绍页面样式 */

/* 页面头部 */
.page-header {
    background: linear-gradient(135deg, #1e3c72 0%, #2a5298 100%);
    color: white;
    padding: 80px 0 60px;
    text-align: center;
    position: relative;
    overflow: hidden;
}

.page-header::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="50" cy="50" r="1" fill="%23ffffff" opacity="0.1"/></pattern></defs><rect width="100" height="100" fill="url(%23grain)"/></svg>') repeat;
    opacity: 0.3;
}

.page-header-content {
    position: relative;
    z-index: 2;
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
}

.page-header h1 {
    font-size: 3rem;
    font-weight: 700;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0,0,0,0.3);
}

.intro-text {
    font-size: 1.2rem;
    line-height: 1.8;
    opacity: 0.95;
    max-width: 700px;
    margin: 0 auto;
}

/* 服务范围 */
.service-scope {
    padding: 80px 0;
    background: #f8f9fa;
}

.service-scope h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: #2c3e50;
}

.service-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.service-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    text-align: center;
    transition: all 0.3s ease;
    border: 1px solid #e9ecef;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 20px 40px rgba(0,0,0,0.15);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 2rem;
    color: white;
}

.service-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 600;
}

.service-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* 服务流程 */
.service-process {
    padding: 80px 0;
    background: white;
}

.service-process h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: #2c3e50;
}

.process-intro {
    text-align: center;
    font-size: 1.1rem;
    color: #6c757d;
    margin-bottom: 50px;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.process-steps {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.process-step {
    text-align: center;
    position: relative;
}

.step-number {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    font-size: 1.5rem;
    font-weight: bold;
    color: white;
    box-shadow: 0 5px 15px rgba(102, 126, 234, 0.4);
}

.process-step h3 {
    font-size: 1.2rem;
    margin-bottom: 10px;
    color: #2c3e50;
    font-weight: 600;
}

.process-step p {
    color: #6c757d;
    font-size: 0.95rem;
    line-height: 1.5;
}

/* 合作模式 */
.cooperation-model {
    padding: 80px 0;
    background: #f8f9fa;
}

.cooperation-model h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: #2c3e50;
}

.model-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 30px;
    margin-top: 40px;
}

.model-card {
    background: white;
    padding: 40px 30px;
    border-radius: 15px;
    box-shadow: 0 10px 30px rgba(0,0,0,0.1);
    border-left: 5px solid #667eea;
}

.model-card h3 {
    font-size: 1.3rem;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 10px;
}

.model-card h3 i {
    color: #667eea;
}

.model-card p {
    color: #6c757d;
    line-height: 1.6;
}

/* 选择我们的理由 */
.why-choose-us {
    padding: 80px 0;
    background: white;
}

.why-choose-us h2 {
    text-align: center;
    margin-bottom: 50px;
    font-size: 2.5rem;
    color: #2c3e50;
}

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

.reason-card {
    text-align: center;
    padding: 40px 20px;
}

.reason-icon {
    width: 100px;
    height: 100px;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 25px;
    font-size: 2.5rem;
    color: white;
    box-shadow: 0 10px 30px rgba(102, 126, 234, 0.3);
}

.reason-card h3 {
    font-size: 1.4rem;
    margin-bottom: 15px;
    color: #2c3e50;
    font-weight: 600;
}

.reason-card p {
    color: #6c757d;
    line-height: 1.6;
    font-size: 1.05rem;
}

/* CTA 部分 */
.cta-section {
    padding: 80px 0;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
    text-align: center;
}

.cta-section h2 {
    font-size: 2.5rem;
    margin-bottom: 20px;
    font-weight: 700;
}

.cta-section p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.95;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
    line-height: 1.6;
}

.btn-large {
    padding: 18px 40px;
    font-size: 1.2rem;
    font-weight: 600;
    border-radius: 50px;
    text-decoration: none;
    display: inline-flex;
    align-items: center;
    gap: 10px;
    transition: all 0.3s ease;
    background: white;
    color: #667eea;
    box-shadow: 0 10px 30px rgba(0,0,0,0.2);
}

.btn-large:hover {
    transform: translateY(-3px);
    box-shadow: 0 15px 40px rgba(0,0,0,0.3);
    color: #667eea;
    text-decoration: none;
}

/* 响应式设计 */
@media (max-width: 768px) {
    .page-header {
        padding: 60px 0 40px;
    }
    
    .page-header h1 {
        font-size: 2.2rem;
    }
    
    .intro-text {
        font-size: 1.1rem;
    }
    
    .service-scope,
    .service-process,
    .cooperation-model,
    .why-choose-us,
    .cta-section {
        padding: 60px 0;
    }
    
    .service-scope h2,
    .service-process h2,
    .cooperation-model h2,
    .why-choose-us h2,
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .service-grid,
    .process-steps,
    .model-grid,
    .reasons-grid {
        grid-template-columns: 1fr;
        gap: 20px;
    }
    
    .service-card,
    .model-card {
        padding: 30px 20px;
    }
    
    .reason-icon {
        width: 80px;
        height: 80px;
        font-size: 2rem;
    }
}