/* 全局修复 banner 自适应，不影响任何其他样式 */
.banner {
    margin-top: 60px !important;
    width: 100% !important;
    height: auto !important;
    max-height: 400px !important;
    overflow: hidden !important;
}
.banner img {
    width: 100% !important;
    height: auto !important;
    object-fit: contain !important;
    vertical-align: middle !important;
}

/* 平板适配 */
@media (min-width: 768px) {
    .banner {
        margin-top: 70px !important;
        max-height: 300px !important;
    }
}

/* 电脑适配 */
@media (min-width: 1200px) {
    .banner {
        margin-top: 80px !important;
        max-height: 400px !important;
    }
}