/* 核心优势样式 */
.core-advantages {
    padding: 100px 0;
}

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

.advantage-card {
    background-color: #f8f9fa;
    border-radius: 8px;
    padding: 30px;
    text-align: center;
    transition: all 0.3s ease;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
}

.advantage-card:hover {
    transform: translateY(-10px);
    box-shadow: 0 15px 30px rgba(0, 0, 0, 0.1);
}

.advantage-icon {
    width: 100px;
    height: 100px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto 20px;
    font-size: 36px;
    transition: all 0.3s ease;
}

/* 第一个图标 - 专业技术团队 */
.advantage-icon-1 {
    background-color: #3498db;
}

.advantage-icon-1 i {
    color: white;
}

/* 第二个图标 - 高效开发流程 */
.advantage-icon-2 {
    background-color: #2ecc71;
}

.advantage-icon-2 i {
    color: white;
}

/* 第三个图标 - 响应式设计 */
.advantage-icon-3 {
    background-color: #e74c3c;
}

.advantage-icon-3 i {
    color: white;
}

/* 第四个图标 - SEO优化 */
.advantage-icon-4 {
    background-color: #f39c12;
}

.advantage-icon-4 i {
    color: white;
}

/* 第五个图标 - 安全可靠 */
.advantage-icon-5 {
    background-color: #9b59b6;
}

.advantage-icon-5 i {
    color: white;
}

/* 第六个图标 - 完善的售后服务 */
.advantage-icon-6 {
    background-color: #1abc9c;
}

.advantage-icon-6 i {
    color: white;
}

.advantage-card:hover .advantage-icon {
    background-color: #2980b9;
    transform: scale(1.1);
}

.advantage-card h3 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 15px;
    color: #2c3e50;
}

.advantage-card p {
    color: #666;
    font-size: 1rem;
    line-height: 1.6;
}

/* 为什么要有官网部分样式 */
.why-website {
    padding: 100px 0;
}

.why-content {
    display: flex;
    align-items: center;
    gap: 50px;
}

.why-image {
    flex: 1;
}

.why-text {
    flex: 1;
}

.why-text h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 20px;
    color: #2c3e50;
}

.why-text p {
    font-size: 1.1rem;
    color: #666;
    margin-bottom: 20px;
}

.why-text ul {
    list-style-type: disc;
    padding-left: 20px;
    margin-bottom: 30px;
}

.why-text ul li {
    margin-bottom: 10px;
    color: #666;
}

/* 响应式设计 */
@media (max-width: 992px) {
    .advantages-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .why-content {
        flex-direction: column;
        text-align: center;
    }
    .why-image, .why-text {
        flex: none;
        width: 100%;
    }
    .why-text ul {
        text-align: left;
    }
}

@media (max-width: 768px) {
    .advantages-grid {
        grid-template-columns: 1fr;
    }
    .advantage-card {
        padding: 25px;
    }
    .why-text h3 {
        font-size: 1.8rem;
    }
}

@media (max-width: 576px) {
    .advantage-icon {
        width: 80px;
        height: 80px;
        font-size: 28px;
    }
    .advantage-card h3 {
        font-size: 1.3rem;
    }
    .why-text h3 {
        font-size: 1.5rem;
    }
}