/* 合作页面样式 */
#cooperation {
    background: white;
    padding: 120px 5% 80px;
}

.services-intro {
    display: flex;
    max-width: 1400px;
    margin: 0 auto 80px;
    gap: 50px;
    align-items: center;
}

.intro-text {
    flex: 1;
}

.intro-text h3 {
    font-size: 2rem;
    margin-bottom: 25px;
    color: var(--dark);
}

.intro-text p {
    color: #555;
    line-height: 1.8;
    margin-bottom: 20px;
    font-size: 1.1rem;
}

.contact-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--primary);
    color: white;
    padding: 12px 30px;
    border-radius: 30px;
    text-decoration: none;
    font-weight: 600;
    margin-top: 20px;
    transition: all 0.3s;
}

.contact-btn:hover {
    background: var(--secondary);
    transform: translateY(-3px);
    box-shadow: 0 5px 15px rgba(67, 97, 238, 0.3);
}

.intro-image {
    flex: 1;
}

.tech-icons {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 25px;
}

.tech-icon {
    background: #f5f7ff;
    border-radius: 15px;
    padding: 30px 20px;
    text-align: center;
    transition: all 0.3s;
}

.tech-icon:hover {
    transform: translateY(-10px);
    box-shadow: 0 10px 25px rgba(0, 0, 0, 0.08);
    background: var(--primary);
    color: white;
}

.tech-icon i {
    font-size: 3rem;
    margin-bottom: 15px;
    display: block;
}

.tech-icon span {
    font-weight: 600;
    font-size: 1.1rem;
}

.services {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto 80px;
}

.service-card {
    background: #f9faff;
    border-radius: 20px;
    padding: 40px 30px;
    border-left: 5px solid var(--primary);
    transition: all 0.3s;
    position: relative;
    overflow: hidden;
}

.service-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 35px rgba(0, 0, 0, 0.1);
}

.service-icon {
    width: 80px;
    height: 80px;
    background: rgba(67, 97, 238, 0.1);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    color: var(--primary);
    margin-bottom: 25px;
}

.service-card h3 {
    font-size: 1.6rem;
    margin-bottom: 20px;
    color: var(--dark);
}

.service-card p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 25px;
}

.service-features {
    list-style: none;
}

.service-features li {
    padding: 10px 0;
    border-bottom: 1px dashed #eee;
    display: flex;
    align-items: center;
}

.service-features li:before {
    content: "✓";
    color: var(--primary);
    font-weight: bold;
    margin-right: 10px;
}

.cases-container {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 40px;
    max-width: 1400px;
    margin: 0 auto;
}

.case-card {
    background: white;
    border-radius: 20px;
    overflow: hidden;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.08);
    transition: all 0.3s;
}

.case-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 40px rgba(0, 0, 0, 0.15);
}

.case-image {
    height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 4rem;
    color: white;
}

.case-info {
    padding: 30px;
}

.case-info h3 {
    font-size: 1.6rem;
    margin-bottom: 15px;
    color: var(--dark);
}

.case-info p {
    color: #555;
    line-height: 1.7;
    margin-bottom: 25px;
}

.case-stats {
    display: flex;
    gap: 20px;
    margin: 30px 0;
}

.stat {
    text-align: center;
    flex: 1;
}

.stat-value {
    font-size: 1.8rem;
    font-weight: bold;
    color: var(--primary);
}

.stat-label {
    color: #777;
    font-size: 0.95rem;
}

.case-link {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: var(--primary);
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s;
}

.case-link:hover {
    gap: 15px;
    color: var(--secondary);
}

.contact-section {
    background: linear-gradient(135deg, #4361ee 0%, #3a0ca3 100%);
    border-radius: 20px;
    margin-top: 100px;
    padding: 80px 40px;
    text-align: center;
    color: white;
}

.contact-content {
    max-width: 700px;
    margin: 0 auto;
}

.contact-content h2 {
    font-size: 2.8rem;
    margin-bottom: 20px;
}

.contact-content p {
    font-size: 1.2rem;
    margin-bottom: 40px;
    opacity: 0.9;
}

.contact-section .contact-btn {
    background: white;
    color: var(--primary);
    font-size: 1.1rem;
    padding: 15px 40px;
}

.contact-section .contact-btn:hover {
    background: #f0f0f0;
    color: var(--secondary);
}

/* 响应式设计 */
@media (max-width: 1200px) {
    .services-intro {
        flex-direction: column;
    }

    .tech-icons {
        grid-template-columns: repeat(3, 1fr);
    }
}

@media (max-width: 768px) {
    .services {
        grid-template-columns: 1fr;
    }

    .cases-container {
        grid-template-columns: 1fr;
    }

    .tech-icons {
        grid-template-columns: repeat(2, 1fr);
    }

    .case-stats {
        flex-direction: column;
        gap: 15px;
    }
}

@media (max-width: 480px) {
    .case-image {
        height: 200px;
        font-size: 3rem;
    }

    .case-info {
        padding: 20px;
    }

    .contact-section {
        padding: 60px 20px;
    }

    .contact-content h2 {
        font-size: 2.2rem;
    }
}