.service-list {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    width: 1200px;
    margin: 100px auto 40px;
}

.service-item {
    flex: 1 1 373px;
    max-width: 373px;
    box-sizing: border-box;
    text-align: center;
    transition: transform 0.3s ease;
}

.service-item:hover {
    transform: translateY(-5px);
    box-shadow: 0 6px 15px rgba(0,0,0,0.15);
}

.service-icon img{
    width: 100%;
    height: 260px;
    object-fit: cover;
    margin-bottom: 15px;
}

.service-title {
    font-size: 1.2rem;
    font-weight: 600;
    margin-bottom: 10px;
    color: #333;
}

/* 描述 */
.service-desc {
    font-size: 1rem;
    color: #666;
    line-height: 1.4;
}

.btn-li{
    width: 1200px;
    margin: auto;
    margin-bottom: 200px;
}

.btn-li ul li {
    display: inline-block;
    margin-left: 10px;
}

.btn-li ul li a {
    display: inline-block;
    width: 22px;
    height: 34px;
    border: 1px solid #666;
    background: #fff;
    font-size: 17px;
    color: #666;
    text-decoration: none;
    font-family: '微软雅黑';
    z-index: 1;
    position: relative;
    line-height: 34px;
    padding-left: 13px;
}

.btn-li ul li a::before {
    content: "";
    position: absolute;
    width: 36px;
    height: 34px;
    top: 0;
    left: 0;
    bottom: 0;
    right: 0;
    background-color: #d30014;
    z-index: -1;
    transform: scale(0);
    transition: 0.5s;
}

.btn-li ul li a:hover{
    color: #fff;
}

.btn-li ul li a:hover::before {
    transform: scale(1,1);
}


/* 手机端自适应 */
@media (max-width: 600px) {
    .service-list {
        width: 95%;
        flex-direction: column;
        gap: 15px;
    }

    .service-item {
        max-width: 100%;
        padding: 15px;
        flex: 1 1 200px;
        margin-bottom: 40px;
    }
}