/* 开发页面基础样式 */
.dev-page {
    background: linear-gradient(135deg, #f8fafc 0%, #f1f5f9 100%);
}

/* Banner区域样式 */
.dev-banner {
    background: linear-gradient(135deg, #1e40af 0%, #3b82f6 100%);
    padding: 120px 0;
    text-align: center;
    color: #ffffff;
    position: relative;
    overflow: hidden;
}

.dev-banner::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: url('img/ban3.jpg') repeat;
    background-size: cover;
    opacity: 1;
    /* animation: patternMove 20s linear infinite; */
}

.banner-content {
    max-width: 800px;
    margin: 0 auto;
    padding: 0 20px;
    position: relative;
    z-index: 1;
}

.banner-content h1 {
    font-size: 3.5rem;
    margin-bottom: 20px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.2);
}

.banner-content p {
    font-size: 1.25rem;
    margin-bottom: 30px;
    opacity: 0.9;
}

.cta-button {
    display: inline-block;
    padding: 15px 40px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    color: #ffffff;
    text-decoration: none;
    border-radius: 30px;
    font-weight: 600;
    transition: all 0.3s ease;
    box-shadow: 0 4px 15px rgba(59, 130, 246, 0.3);
}

.cta-button:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(59, 130, 246, 0.4);
}

.cta-button i {
    margin-left: 10px;
    transition: transform 0.3s ease;
}

.cta-button:hover i {
    transform: translateX(5px);
}

/* 开发概述部分 */
.dev-intro {
    padding: 100px 0;
    background: #ffffff;
}

.intro-content {
    max-width: 1000px;
    margin: 0 auto;
    text-align: center;
}

.intro-content p {
    font-size: 1.1rem;
    color: #64748b;
    margin-bottom: 50px;
    line-height: 1.8;
}

.intro-features {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.feature-item {
    padding: 30px;
    background: #ffffff;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.feature-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.feature-item i {
    font-size: 2.5rem;
    color: #3b82f6;
    margin-bottom: 20px;
}

.feature-item h3 {
    font-size: 1.5rem;
    margin-bottom: 15px;
    color: #1e293b;
}

.feature-item p {
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* 开发服务部分 */
.dev-services {
    padding: 100px 0;
    background: #f8fafc;
}

.services-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.service-card {
    background: #ffffff;
    border-radius: 15px;
    padding: 40px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.service-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.card-icon {
    width: 60px;
    height: 60px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 25px;
}

.card-icon i {
    font-size: 1.8rem;
    color: #ffffff;
}

.service-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    color: #1e293b;
}

.service-card p {
    color: #64748b;
    margin-bottom: 25px;
    line-height: 1.6;
}

.service-features {
    list-style: none;
    padding: 0;
    margin-bottom: 25px;
}

.service-features li {
    color: #64748b;
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.service-features li::before {
    content: '•';
    color: #3b82f6;
    position: absolute;
    left: 0;
}

.card-link {
    display: inline-flex;
    align-items: center;
    color: #3b82f6;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.card-link i {
    margin-left: 8px;
    transition: transform 0.3s ease;
}

.card-link:hover i {
    transform: translateX(5px);
}

/* 技术栈部分 */
.dev-tech {
    padding: 100px 0;
    background: #ffffff;
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.tech-category {
    background: #f8fafc;
    border-radius: 15px;
    padding: 30px;
    transition: all 0.3s ease;
}

.tech-category:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.tech-category h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 2px solid #e2e8f0;
}

.tech-list {
    list-style: none;
    padding: 0;
    margin: 0;
}

.tech-list li {
    display: flex;
    align-items: center;
    margin-bottom: 15px;
    color: #64748b;
    transition: all 0.3s ease;
}

.tech-list li:hover {
    color: #3b82f6;
    transform: translateX(5px);
}

.tech-list i {
    margin-right: 10px;
    font-size: 1.2rem;
    color: #3b82f6;
}

/* 开发流程部分 */
.dev-workflow {
    padding: 100px 0;
    background: #f8fafc;
}

.workflow-timeline {
    max-width: 1000px;
    margin: 50px auto 0;
    position: relative;
}

.workflow-timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: #e2e8f0;
}

.workflow-step {
    display: flex;
    justify-content: center;
    align-items: flex-start;
    margin-bottom: 50px;
    position: relative;
}

.workflow-step:nth-child(odd) {
    flex-direction: row-reverse;
}

.step-number {
    width: 40px;
    height: 40px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #ffffff;
    font-weight: 600;
    margin: 0 20px;
    position: relative;
    z-index: 1;
}

.step-content {
    background: #ffffff;
    padding: 30px;
    border-radius: 15px;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    width: 45%;
    transition: all 0.3s ease;
}

.step-content:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.step-content h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 15px;
}

.step-content p {
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* 成功案例部分 */
.dev-cases {
    padding: 100px 0;
    background: #ffffff;
}

.cases-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.case-card {
    background: #ffffff;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.case-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.case-image {
    position: relative;
    overflow: hidden;
    padding-top: 60%;
}

.case-image img {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.case-card:hover .case-image img {
    transform: scale(1.1);
}

.case-content {
    padding: 25px;
}

.case-content h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 15px;
}

.case-content p {
    color: #64748b;
    margin-bottom: 20px;
    line-height: 1.6;
}

.case-features {
    list-style: none;
    padding: 0;
    margin: 0;
}

.case-features li {
    color: #64748b;
    margin-bottom: 10px;
    padding-left: 25px;
    position: relative;
}

.case-features li::before {
    content: '✓';
    color: #3b82f6;
    position: absolute;
    left: 0;
}

/* 开发优势部分 */
.dev-advantages {
    padding: 100px 0;
    background: #f8fafc;
}

.advantages-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 30px;
    margin-top: 50px;
}

.advantage-card1 {
    background: #ffffff;
    border-radius: 15px;
    padding: 30px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0, 0, 0, 0.05);
    transition: all 0.3s ease;
}

.advantage-card1:hover {
    transform: translateY(-5px);
    box-shadow: 0 8px 25px rgba(0, 0, 0, 0.1);
}

.advantage-card1 i {
    font-size: 2.5rem;
    color: #3b82f6;
    margin-bottom: 20px;
}

.advantage-card1 h3 {
    font-size: 1.5rem;
    color: #1e293b;
    margin-bottom: 15px;
}

.advantage-card1 p {
    color: #64748b;
    line-height: 1.6;
    margin: 0;
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .services-grid {
        grid-template-columns: 1fr;
    }
    
    .tech-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
}

@media (max-width: 768px) {
    .dev-banner {
        padding: 80px 0;
    }
    
    .banner-content h1 {
        font-size: 2.5rem;
    }
    
    .intro-features {
        grid-template-columns: 1fr;
    }
    
    .workflow-timeline::before {
        left: 20px;
    }
    
    .workflow-step {
        flex-direction: column;
        align-items: flex-start;
    }
    
    .workflow-step:nth-child(odd) {
        flex-direction: column;
    }
    
    .step-content {
        width: 100%;
        margin-left: 60px;
    }
    
    .cases-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {

    .step-content {
        width: 80%;
        margin-left: 60px;
    }

    .dev-banner {
        padding: 60px 0;
    }
    
    .banner-content h1 {
        font-size: 2rem;
    }
    
    .tech-grid {
        grid-template-columns: 1fr;
    }
    
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
}

/* 动画效果 */
@keyframes patternMove {
    0% {
        background-position: 0 0;
    }
    100% {
        background-position: 100% 100%;
    }
}

/* 通用样式 */
.section-title {
    text-align: center;
    font-size: 2.5rem;
    color: #1e293b;
    margin-bottom: 20px;
    position: relative;
    padding-bottom: 20px;
}

.section-title::after {
    content: '';
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    width: 60px;
    height: 3px;
    background: linear-gradient(135deg, #3b82f6 0%, #1e40af 100%);
    border-radius: 3px;
}

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