/* 顶部横幅样式 */
.banner {
    background:  url('../images/banner-bg.jpg');
    background-size: cover;
    background-position: center;
    height: 305px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    text-align: center;
    margin-top: 98px;
}
@media (max-width: 768px) {
    .banner {
        height: 250px;
        margin-top: 68px;
    }
}
.banner h1 {
    font-size: 46px;
    font-weight: bold;
    margin: 0;
    font-family: "AlimamaShuHeiTi-Bold", sans-serif;
}


/* 响应式调整 */
@media (max-width: 768px) {
    .banner h1 {
        font-size: 36px;
    }

    .jd-eco h2,
    .smart-service h2,
    .operation-mode h2 {
        font-size: 32px;
    }

    .feature-card,
    .service-card,
    .mode-card {
        margin-bottom: 30px;
    }
}
.jd-eco{
    background: #FAFAFA;
    padding: 40px 0 100px;
}
.jd-eco h2 {
    font-size: 40px;
    font-weight: bold;
    color: #252B42;
    margin-bottom: 50px;
    font-family: "AlimamaShuHeiTi-Bold", sans-serif;
}

.jd-eco .subtitle {
    color: #EB301C;
    font-size: 14px;
    margin-bottom: 10px;
}

.search-container {
    max-width: 900px;
    margin: 0 auto;
}

.search-box {
    display: flex;
    overflow: hidden;
    box-shadow: var(--box-shadow);
    border-radius: 4px;
}

.search-box input {
    flex: 1;
    padding: 15px 25px;
    font-size: 16px;
    border: none;
    outline: none;
}

.search-btn {
    padding: 0 30px;
    background-color: var(--accent-color);
    color: var(--light-text-color);
    font-size: 16px;
    font-weight: 500;
    border: none;
    cursor: pointer;
    transition: var(--transition);
}

.search-btn:hover {
    background-color: var(--secondary-color);
}
.card-body{
    max-width: 900px;
    margin: 30px auto 0;
    background: #FFF;
    border-radius: 4px;
    padding: 30px;
}
.card-body h1{
    color: #3D3D3D;
}