/* 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;
}

/* 京东生态深度赋能部分 */
.jd-eco {
    padding: 80px 0;
    background-color: #fff;
}

.jd-eco h2 {
    font-size: 40px;
    font-weight: bold;
    color: #252B42;
    margin-bottom: 10px;
    font-family: "AlimamaShuHeiTi-Bold", sans-serif;
}

.jd-eco .subtitle {
    color: #EB301C;
    font-size: 14px;
    margin-bottom: 10px;
}
.service-img img{
    width: 100%;
}
.feature-card {
    background: #fff;
    padding: 30px;
    border-radius: 5px;
    box-shadow: 0 10px 15px rgba(0, 0, 0, 0.09);
    height: 100%;
}

.feature-card .icon-box {
    width: 67px;
    height: 67px;
    background: #fff;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-bottom: 20px;
}

.feature-card .icon-box img {
    width: 40px;
    height: 40px;
}

.feature-card h3 {
    font-size: 22px;
    color: #2D4875;

}

.feature-card p {
    color: #2D4875;
    font-size: 14px;
    line-height: 28px;
}

/* 智能惠民服务体系部分 */
.smart-service {
    padding: 80px 0;
    background-color: #FAFAFA;
}

.smart-service h2 {
    font-size: 40px;
    font-weight: bold;
    color: #252B42;
    margin-bottom: 10px;
    font-family: "AlimamaShuHeiTi", sans-serif;
}

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

.service-card {
    background: #fff;
    padding: 25px 0;
    border-radius: 5px;
    height: 100%;
}

.service-card h3 {
    font-size: 18px;
    color: #333333;
    margin-bottom: 15px;
}

.service-card p {
    color: #737373;
    font-size: 16px;
    line-height: 22px;
}

/* 政企协同运营模式部分 */
.operation-mode {
    padding: 80px 0;
    background-color: #fff;
}

.operation-mode h2 {
    font-size: 40px;
    font-weight: bold;
    color: #252B42;
    margin-bottom: 10px;
    font-family: "AlimamaShuHeiTi", sans-serif;
}

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

.mode-card {
    background: #fff;
    border-radius: 5px;
    height: 100%;
}
.mode-img img{
    width: 100%;
}
.mode-card h3 {
    font-size: 18px;
    color: #333333;
    margin-bottom: 15px;
}

.mode-card p {
    color: #737373;
    font-size: 16px;
    line-height: 22px;
}

/* 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;
    }
}