* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
body {
    font-family: 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
    color: #333;
    line-height: 1.7;
}
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}
.page-header {
    background: #2c3e50;
    color: #fff;
    padding: 60px 0;
    text-align: center;
}
.page-header h1 {
    font-size: 42px;
    font-weight: 600;
    margin-bottom: 12px;
    letter-spacing: 1px;
}
.page-header p {
    font-size: 18px;
    opacity: 0.85;
    max-width: 700px;
    margin: 0 auto;
}

.service-list-section {
    padding: 60px 0;
}
.service-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}
.service-card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 3px 12px rgba(0,0,0,0.07);
    overflow: hidden;
    transition: 0.3s;
    padding: 30px;
}
.service-card:hover {
    transform: translateY(-6px);
    box-shadow: 0 8px 20px rgba(0,0,0,0.1);
}
.service-icon img {
    width: 80px;
    height: 80px;
    object-fit: cover;
    border-radius: 8px;
    margin-bottom: 18px;
}
.service-card-body h3 {
    font-size: 22px;
    color: #222;
    margin-bottom: 12px;
}
.short-text {
    color: #555;
    font-size: 16px;
}
.empty-tip {
    text-align: center;
    padding: 60px 0;
    font-size: 18px;
}

/* 响应式 */
@media (max-width:992px){
    .service-grid {
        grid-template-columns: repeat(2,1fr);
    }
}
@media (max-width:576px){
    .page-header h1{
        font-size:30px;
    }
    .service-grid {
        grid-template-columns: 1fr;
    }
}